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PM2.5, AQI, Indice de qualité de l'air, Indice de pollution atmosphérique, pollution atmosphérique, Indice de qualité de l'air, Qualité de l'air, pollution atmosphérique, Pollution, Chine pollution atmosphérique, Asie pollution atmosphérique, monde pollution atmosphérique, Données historiques sur la qualité de l'air., Classements basés sur la qualité de l'air, AQI Windows widget, AQI android widget, PM10 particules inhalables, PM2.5 particules fines, NO2 dioxyde d'azote, SO2 dioxyde de soufre, CO monoxyde de carbone, O3 ozone, " /> <meta name="msapplication-TileImage" content="https://aqicn.org/images/iOS/ico_114.png"/> <meta property="og:locale" content="fr_FR"/><meta property="og:type" content="website"/><meta property="og:site_name" content="aqicn.org"/><meta property="fb:app_id" content="643196515742584"/><meta property="twitter:card" content="summary" /><meta property="twitter:site" content="@world_aqi" /><meta property="og:image" 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flag-tr'>🇹🇷</div></a><a href='https://aqicn.org/gaia/a20/uk/'><div title='Ukrainian' class='sprite-isprt-web-ua flag-uk'>🇺🇦</div></a><a href='https://aqicn.org/gaia/a20/cs/'><div title='Czech' class='sprite-isprt-web-cz flag-cs'>🇨🇿</div></a><a href='https://aqicn.org/gaia/a20/be/'><div title='Belarusian' class='sprite-isprt-web-by flag-be'>🇧🇾</div></a><a href='https://aqicn.org/gaia/a20/km/'><div title='Khmer' class='sprite-isprt-web-kh flag-km'>🇰🇭</div></a><a href='https://aqicn.org/gaia/a20/lo/'><div title='Lao' class='sprite-isprt-web-la flag-lo'>🇱🇦</div></a></div><div id='hdrlang-navigation'> <div id='hdrlang-navigation-inner' class='hdrlang-navigation'> <a href='https://aqicn.org/gaia/a20/' class='lang-en'><div class='item'><div class='flag sprite-isprt-web-gb'></div><span class='name'>Anglais <span>- English</span></span></div></a><a href='https://aqicn.org/gaia/a20/cn/' class='lang-zh-CN'><div class='item'><div class='flag sprite-isprt-web-cn'></div><span class='name'>Chinois 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class='lang-fr'><div class='item'><div class='flag sprite-isprt-web-fr'></div><span class='name'>Francais</span></div></a><a href='https://aqicn.org/gaia/a20/pl/' class='lang-pl'><div class='item'><div class='flag sprite-isprt-web-pl'></div><span class='name'>Polish <span>- Polski</span></span></div></a><a href='https://aqicn.org/gaia/a20/de/' class='lang-de'><div class='item'><div class='flag sprite-isprt-web-de'></div><span class='name'>German <span>- Deutsch</span></span></div></a><a href='https://aqicn.org/gaia/a20/pt/' class='lang-pt'><div class='item'><div class='flag sprite-isprt-web-br'></div><span class='name'>Portuguese <span>- Português</span></span></div></a><a href='https://aqicn.org/gaia/a20/vn/' class='lang-vi'><div class='item'><div class='flag sprite-isprt-web-vn'></div><span class='name'>Vietnamese <span>- Tiếng Việt</span></span></div></a><a href='https://aqicn.org/gaia/a20/it/' class='lang-it'><div class='item'><div class='flag sprite-isprt-web-it'>🇮🇹</div><span class='name'>Italian <span>- Italiano</span></span></div></a><a href='https://aqicn.org/gaia/a20/id/' class='lang-id'><div class='item'><div class='flag sprite-isprt-web-id'>🇮🇩</div><span class='name'>Indonesian <span>- bahasa Indonesia</span></span></div></a><a href='https://aqicn.org/gaia/a20/nl/' class='lang-nl'><div class='item'><div class='flag sprite-isprt-web-nl'>🇳🇱</div><span class='name'>Dutch <span>- Nederlands</span></span></div></a><a href='https://aqicn.org/gaia/a20/fa/' class='lang-fa'><div class='item'><div class='flag sprite-isprt-web-ir'>🇮🇷</div><span class='name'>Persian <span>- فارسی</span></span></div></a><a href='https://aqicn.org/gaia/a20/th/' class='lang-th'><div class='item'><div class='flag sprite-isprt-web-th'>🇹🇭</div><span class='name'>Thai <span>- ภาษาไทย</span></span></div></a><a href='https://aqicn.org/gaia/a20/hu/' class='lang-hu'><div class='item'><div class='flag sprite-isprt-web-hu'>🇭🇺</div><span class='name'>Hungarian <span>- Magyar</span></span></div></a><a href='https://aqicn.org/gaia/a20/el/' class='lang-el'><div class='item'><div class='flag sprite-isprt-web-gr'>🇬🇷</div><span class='name'>Greek <span>- Ελληνικά</span></span></div></a><a href='https://aqicn.org/gaia/a20/ro/' class='lang-ro'><div class='item'><div class='flag sprite-isprt-web-ro'>🇷🇴</div><span class='name'>Romanian <span>- Română</span></span></div></a><a href='https://aqicn.org/gaia/a20/bg/' class='lang-bg'><div class='item'><div class='flag sprite-isprt-web-bg'>🇧🇬</div><span class='name'>Bulgarian <span>- български</span></span></div></a><a href='https://aqicn.org/gaia/a20/ur/' class='lang-ur'><div class='item'><div class='flag sprite-isprt-web-pk'>🇵🇰</div><span class='name'>Urdu <span>- اردو</span></span></div></a><a href='https://aqicn.org/gaia/a20/hi/' class='lang-hi'><div class='item'><div class='flag sprite-isprt-web-in'>🇮🇳</div><span class='name'>Hindi <span>- हिंदी</span></span></div></a><a href='https://aqicn.org/gaia/a20/ar/' class='lang-ar'><div class='item'><div class='flag sprite-isprt-web-ae'>🇦🇪</div><span class='name'>Arabic <span>- العربية</span></span></div></a><a href='https://aqicn.org/gaia/a20/sr/' class='lang-sr'><div class='item'><div class='flag sprite-isprt-web-rs'>🇷🇸</div><span class='name'>Serbian <span>- Српски</span></span></div></a><a href='https://aqicn.org/gaia/a20/bn/' class='lang-bn'><div class='item'><div class='flag sprite-isprt-web-bd'>🇧🇩</div><span class='name'>Bangla <span>- বাংলা</span></span></div></a><a href='https://aqicn.org/gaia/a20/bs/' class='lang-bs'><div class='item'><div class='flag sprite-isprt-web-ba'>🇧🇦</div><span class='name'>Bosnian <span>- босански</span></span></div></a><a href='https://aqicn.org/gaia/a20/hr/' class='lang-hr'><div class='item'><div class='flag sprite-isprt-web-hr'>🇭🇷</div><span class='name'>Croatian <span>- hrvatski</span></span></div></a><a href='https://aqicn.org/gaia/a20/tr/' class='lang-tr'><div class='item'><div class='flag sprite-isprt-web-tr'>🇹🇷</div><span class='name'>Turkish <span>- Türkçe</span></span></div></a><a href='https://aqicn.org/gaia/a20/uk/' class='lang-uk'><div class='item'><div class='flag sprite-isprt-web-ua'>🇺🇦</div><span class='name'>Ukrainian <span>- українська</span></span></div></a><a href='https://aqicn.org/gaia/a20/cs/' class='lang-cs'><div class='item'><div class='flag sprite-isprt-web-cz'>🇨🇿</div><span class='name'>Czech <span>- čeština</span></span></div></a><a href='https://aqicn.org/gaia/a20/be/' class='lang-be'><div class='item'><div class='flag sprite-isprt-web-by'>🇧🇾</div><span class='name'>Belarusian <span>- беларускі</span></span></div></a><a href='https://aqicn.org/gaia/a20/km/' class='lang-km'><div class='item'><div class='flag sprite-isprt-web-kh'>🇰🇭</div><span class='name'>Khmer <span>- ខ្មែរ</span></span></div></a><a href='https://aqicn.org/gaia/a20/lo/' class='lang-lo'><div class='item'><div class='flag sprite-isprt-web-la'>🇱🇦</div><span class='name'>Lao <span>- 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.ui-share-btn:hover svg { fill: black; } .ui-share-btn:hover svg g { fill: black; } .ui-share-btn a:hover { text-decoration: none; }</style><i style='color:#888;font-size:13px;word-break: break-all;'>Partager: <a href='https://aqicn.org/gaia/a20/fr/'>aqicn.org/gaia/a20/fr/</a></i><br></div><div style='clear:both;margin-bottom:10px;'></div><link href='/jscripts/fomantic-ui-2.9.3/dist/semantic.min.css?_=20250116.195014&type=css' rel='stylesheet'/> <div style='float:right'> <img style='max-width:100%;width:520px;' src='/air/view/gaia/images/gaia-apimama-dimensions.jpg'> <br> <center> The A20 portable air quality station </center> </div> <p>Le capteur GAIA A20 est un boîtier de capteur conçu sur mesure avec les exigences suivantes :</p> <ul><li>Deux capteurs PM2,5 redondants (PMS 5003) <li>GPS/Beidu GNSS + Antenne GPS intégrée <li>Capteur de température et d'humidité (DHT11) <li>Stockage de données interne, permettant jusqu'à 4 semaines de surveillance continue (avec un cycle de service de 30 échantillons toutes les 5 minutes). <li>Connexion USB pour récupérer le stockage des données <li>Pas de Wi-Fi requis (pour une surveillance autonome) <li>Alimenté par batterie – attendez-vous à fonctionner pendant au moins 3 jours sans récolte solaire. <li>Chargement de la batterie via un panneau solaire ou un connecteur USB, permettant un fonctionnement hors réseau permanent, à condition qu'il y ait quelques jours ensoleillés chaque semaine. <li>Léger (peut être porté à la main, par exemple attaché à un sac à main)</ul> <div style='clear:both'></div> <style type='text/css'>section {margin-top:20px;margin-bottom: 80px;}@media only screen and (max-width: 800px) { border-top: 1px solid #ccc;}@media only screen and (min-width: 800px) { section {padding-left: 20px;border-left: 3px solid #f8f8f8;}}</style><h2><p>Fiche technique</p></h2><section><ul> <li>Specification & User Manual: <a href='/air/view/gaia/doc/gaia-a20-spec-v1.6.pdf'>gaia-a20-spec-v1.6.pdf</a> </ul> <center> <img src='/air/view/gaia/images/gaia-a20-product-faces-2.jpg' style='max-width:1000px;width:100%;'> </center> </section><h2><p>Contenu du package GAIA A20 :</p></h2><section><center> <img src='/air/view/gaia/images/gaia-a20-package.jpg' style='max-width:1000px;width:100%;'> </center> <p>Le forfait comprend :</p> <ul><li>1 station GAIA A20 <li>Alimentation USB <li>Câble de données USB (0,5 mètre) <li>2 crochets de montage <li>Panneau solaire (6 V/1A, par exemple 6 W) <li>Pièces mécaniques de montage du panneau solaire <li>Câble d'alimentation étanche de 5 mètres <li>Outils de montage généraux (sangles et vis) <li>Tournevis (pour ouvrir la station A20 et insérer la batterie)</ul> <p>En option, le forfait comprend :</p> <ul><li>Batterie 18650 3 400 mA/h (permettant un fonctionnement de 5 à 7 jours sans récupération solaire) <li>Chargeur de batterie 18650 (avec connecteur USB)</ul> </section><h2><p>Montage de panneaux solaires</p></h2><section><p>Le panneau solaire est livré avec un câble d'alimentation étanche de 5 mètres (16 pieds) (peut être étendu jusqu'à 10 mètres).</p> <br> <center> <img src='/air/view/gaia/images/solar-panel-mounted.jpg' style='max-width:1000px;width:100%;'> </center> <br> <p>A noter qu'il est recommandé de conserver la station GAIA à l'abri de la pluie directe</p> </section><h2><p>Tarifs</p></h2><section><div id='cart'></div><style>div.CartView{font-size:15px}div.CartSummary{margin-top:20px}div.CartSummary tr td:not(:first-child),div.CartSummary tr th:not(:first-child){text-align:center}div.CartSummary tr td b{font-size:120%}@media screen and (max-width:800px){.CartView .ui.cards>.card{box-sizing:border-box;margin:5px;width:calc(33% - 15px)}}@media screen and (max-width:600px){.CartView .ui.cards>.card{box-sizing:border-box;margin:5px;width:calc(50% - 10px)}}@media screen and (max-width:400px){.CartView .ui.cards>.card{margin:.25em .5em;width:100%}} /*# sourceMappingURL=main.8aca644c.css.map*/</style><script 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D\u00e9sol\u00e9, quelque chose de mal s'est produit"})</script><script src='https://aqicn.org/air-cache/gaia/dist/cart.js?_=20250212.174141' type='text/javascript'></script><a name="infoaqi"></a><div class='h1section h1section-divider'><div class='h1section-rainbow'><div></div><div></div><div></div><div></div><div></div></div><h1><div id='h1header3' style='padding:2px;font-family:"Noto Serif",Cambria,"Palatino Linotype","Book Antiqua","URW Palladio L",serif;;'>À propos de la qualité de l'air et des mesures de la pollution atmosphérique :</div></h1></div><script type='text/javascript'> ; if (!isMobileUA) { fitLine('#h1header3',.88,{maxfs:45}); }; </script><div class='whitebody' style='font-family:"Noto Serif",Cambria,"Palatino Linotype","Book Antiqua","URW Palladio L",serif;'><div class='section-outer'><div class='section-content' > <center>À propos des niveaux de qualité de l'air<br> <br> <style type="text/css"> #legend-full table.infoaqitable { line-height: 1.5; background-color: white; max-width: 1000px; width: 95%; margin: 0px; border: 1px solid black; cursor: pointer; } #legend-full table.infoaqitable td { padding: 5px; font-size: 15px; text-shadow: none; } #legend-full .aqiwtxt { color: #ffffff; } #legend-full .aqibtxt { color: #000000; } @media only screen and (max-width: 800px) { #legend-full table.infoaqitable { width: 98%; } } @media only screen and (max-width: 800px) { #legend-full table.infoaqitable td { display: block; } #legend-full table.infoaqitable td:nth-child(1) { display: inline-block; font-size: 1.2em; } #legend-full table.infoaqitable td:nth-child(2) { display: inline-block; font-weight: 800; font-size: 1.2em; } } </style> <div id='legend-full' onclick='window.location="/scale/"'> <table class="infoaqitable"> <thead> <tr> <td>IQA</td><td>Niveau de pollution de l'air </td><td>Impact sur la santé</td></tr> </thead> <tr style="background-color:#009966;color:white"> <td nowrap="true">0 - 50</td> <td>Bon</td> <td> La qualité de l'air est jugée satisfaisante, et la pollution de l'air pose peu ou pas de risque. </td></tr> <tr style="background-color:#ffde33"> <td nowrap="true">51 -100</td> <td>Modéré</td> <td>La qualité de l'air est acceptable. Cependant, pour certains polluants, il peut y avoir un risque sur la santé pour un très petit nombre de personnes inhabituellement sensibles à la pollution atmosphérique.</td></tr> <tr style="background-color:#ff9933;color:white"> <td nowrap="true">101-150</td> <td>Mauvais pour les groupes sensibles</td> <td>La qualité de l'air est acceptable; Cependant, pour certains polluants, il peut y avoir un problème de santé modérée pour un très petit nombre de personnes qui sont particulièrement sensibles à la pollution de l'air. </td></tr> <tr style="background-color:#cc0033;color:white"> <td nowrap="true">151-200</td> <td>Mauvais</td> <td>Tout le monde peut commencer à ressentir des effets sur la santé; les membres des groupes sensibles peuvent ressentir des effets de santé plus graves.</td></tr> <tr style="background-color:#660099;color:white"> <td nowrap="true">201-300</td> <td>Très mauvais</td> <td>Avertissements de santé de conditions d'urgence. Toute la population est plus susceptible d'être affecté. </td></tr> <tr style="background-color:#7e0023;color:white"> <td nowrap="true">300+</td> <td>Dangereux</td> <td>Alerte de santé: tout le monde peut ressentir des effets de santé plus graves.</td></tr> </table> </div><br>Pour en savoir plus sur la qualité de l'air, consultez le <a href='http://en.wikipedia.org/wiki/Air_quality'> sujet Qualité de l'air sur Wikipedia </a> ou <a href='http://www.airnow.gov/index.cfm?action=aqibasics.aqi'> le guide AirNow de la qualité de l'air et de votre santé </a>.<br><br>Pour des conseils de santé très utiles du Dr. Richard Saint Cyr, consultez le blog <a href='http://www.myhealthbeijing.com/'>myhealthbeijing.com</a>.<br><br></center></div></div></div> <center> <br>  <ins></ins> <script></script> <style type='text/css'> .usage-notice { line-height:1.5; max-width:95%; width:1000px; margin-top:10px; padding:5px; font-size: 15px; background-color:#ffffff; text-shadow: 1px 1px 1px white; -webkit-box-shadow: 1px 1px 8px -3px rgba(0,0,0,0.3); } </style> <div class="textshadowwhite usage-notice" style=''> <b>Notice d'utilisation</b>: Toutes les données sur la qualité de l'air ne sont pas validées au moment de la publication et, pour des raisons d'assurance de la qualité, ces données peuvent être modifiées à tout moment et sans préavis. Le projet <a href='https://aqicn.org'> Indice de la qualité de l'air dans le monde </a> a exercé toutes les compétences et l'attention réalisables dans la compilation du contenu de ces informations. <a href='https://aqicn.org'> Indice de la qualité de l’air dans le monde </a>, l’équipe de projet ou ses agents ne peuvent être tenus responsables, contractuellement, judiciairement ou autrement, de toute perte, blessure ou préjudice résultant directement ou indirectement de la fourniture de ces données.</div> <br> <br> <br> </center>  <div id="fixed-footer-marker" class="locked"></div>  <div id="floating-footer" class="footer-overlay floating-footer-overlay footer"> </div> <div id="fixed-footer" class="footer"> <div id="footer-overlay" class="footer-overlay"></div> <br> <br> <center> <div id='fixed-footer-menu-buttons-with-text' style='max-width:80%;margin-bottom:20px;display:none;'> <a href='javascript:go2home();' class='menubar-text'><div class='fixed-menubar-button'><div 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class='sprite-isprt-web-link'></div>liens</div></a> </div> <div class='footercolumnout'> <div class='footercolumn1 footercolumn'> <h3>À propos de ce projet</h3> <br> <li><a href='/contact/fr/'>Contacter L'équipe De La Qualité De L'Air Mondiale</a></li> <li><a href='/media/fr/'>Kit Presse Et Médias</a></li> <br> <h3><a href='/research/fr/'>Recherches sur la qualité de l'air</a></h3> <br> <li><a href='/faq/fr/'>Articles Sur La Qualité De L'air</a></li> <li><a href='/research/fr/'>Expérimentation sur la qualité de l'air</a></li> <li><a href='/sensor/fr/'>Analyse Des Capteurs De La Qualité De L'air</a></li> <br> <h3><a href='/faq/fr/'>Foire aux questions</a></h3> <br> <li><a href='/sources/fr/'>Source des données sur la qualité de l'air</a></li> <li><a href='/faq/2015-03-15/air-quality-nowcast-a-beginners-guide/fr/'>Calcul De L'indice De La Qualité De L'air</a></li> <li><a href='/forecast/fr/'>Prévisions De La Qualité De L'air</a></li> <li><a href='/products/fr/'>Equipements Pour La Pollution De L'air (masques, Appareils De Mesure ...)</a></li> <li><a href='/api/fr/'>API (interface de programmation d'applications)</a></li> <li><a href='/data-platform/fr/'>Plateforme de données historiques</a></li> </div> <div class='footercolumn2 footercolumn'> <h3>Credits</h3> <br> <li><a href='/sources/fr/'>Toute l'EPA du monde pour son excellent travail de maintien, de mesure et de fourniture d'informations sur la qualité de l'air aux citoyens du monde.</a></li> <li><a href='http://www.maxmind.com' target=_>Ce produit comprend des données GeoLite2 créées par MaxMind, disponibles sur maxmind.com.</a> <li><a href='http://geonames.org' target=_>Ce produit comprend des informations sur les villes GeoNames, disponibles sur geonames.org.</a> <li><a href="http://openweathermap.org/" target="__s">Carte météo ouverte, combinée à l'algorithme d'amélioration qweather™</a> <li><a href='http://wxqa.com' target="__s">Programme citoyen d’observateurs météorologiques</a> via <a 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Turkish</option><option value='https://aqicn.org/gaia/a20/uk/' >українська - Ukrainian</option><option value='https://aqicn.org/gaia/a20/cs/' >čeština - Czech</option><option value='https://aqicn.org/gaia/a20/be/' >беларускі - Belarusian</option><option value='https://aqicn.org/gaia/a20/km/' >ខ្មែរ - Khmer</option><option value='https://aqicn.org/gaia/a20/lo/' >ລາວ - Lao</option></select> </div> <br> <table> <tr> <td> <center> <i>Temperature unit:</i><br> <span style='font-size:18px'> <span style='display:;' id='settings-temp-label-on'>Celcius</span> <span style='display:none;' id='settings-temp-label-off'>Fahrenheit</span> </span> </center> </td> <td> <div class="onoffswitch" onclick='settingsMenu.click("temp")'> <input type="checkbox" name="onoffswitch" class="onoffswitch-checkbox" id="settings-temp" checked> <label class="onoffswitch-label" for="myonoffswitch"> <span class="onoffswitch-inner"></span> <span class="onoffswitch-switch"></span> </label> </div> </table> </center> <br> </div> <div style='display:none;height:0px;' id='settingsdiv-arrow'><div style='width: 0; height: 0; border: 7px solid transparent;top:0px;border-top: 7px solid #fff;position:relative;;margin-left:100px;'></div></div> </div> <link rel='stylesheet' type='text/css' href='https://aqicn.org/air-cache/generic/scripts/dist/navmenu.css?_=20250118.191236' /><script async src='https://aqicn.org/air-cache/generic/scripts/dist/navmenu.js?_=20250121.194619' type='text/javascript'></script> <script type="text/javascript"> fitLine(".link",.9); </script> <script src='https://aqicn.org/air-cache/jquery-3.7.1.min.js?_=20250116.195014' type='text/javascript'></script> <script type="text/javascript"> function initTime() { if (isMobileUA) return; function setTimeText() { var minutes = new Date().getMinutes(); var hours = new Date().getHours(); var time = ( hours < 10 ? "0" : "" ) + hours; time += ":"+( minutes < 10 ? "0" : "" ) + minutes; var ot = document.getElementById("ClockTime"); if (ot) ot.innerHTML = time; } setInterval( function() { setTimeText() }, 1000*60*15 ); setTimeText(); }; aqi18n.register('aqi-implication-0-50',"La qualit\u00e9 de l'air est jug\u00e9e satisfaisante et la pollution de l'air ne pose peu ou pas de risque");aqi18n.register('aqi-level-0-50',"Bien");aqi18n.register('aqi-implication-50-100',"La qualit\u00e9 de l'air est acceptable. Cependant, pour certains polluants, il peut y avoir un risque sur la sant\u00e9 pour un tr\u00e8s petit nombre de personnes inhabituellement sensibles \u00e0 la pollution atmosph\u00e9rique.");aqi18n.register('aqi-level-50-100',"Mod\u00e9r\u00e9");aqi18n.register('aqi-implication-100-150',"Les membres appartenant \u00e0 des groupes sensibles peuvent ressentir des effets sur leur sant\u00e9. Le reste de la population ne ressentira probablement aucun effet.");aqi18n.register('aqi-level-100-150',"Malsain pour les groupes sensibles");aqi18n.register('aqi-level-100-150-html',"<div style='font-size:66%'>Malsain pour les groupes sensibles<\/div>");aqi18n.register('aqi-implication-150-200',"Tout le monde peut commencer \u00e0 ressentir des effets sur la sant\u00e9; les membres de groupes sensibles peuvent ressentir des effets plus graves sur la sant\u00e9");aqi18n.register('aqi-level-150-200',"Mauvais pour la sant\u00e9");aqi18n.register('aqi-level-150-200-html',"<div style='font-size:66%'>Mauvais pour la sant\u00e9<\/div>");aqi18n.register('aqi-implication-200-300',"Avertissements de sant\u00e9 relatifs aux conditions d'urgence. Toute la population est susceptible d'\u00eatre touch\u00e9e.");aqi18n.register('aqi-level-200-300',"Tr\u00e8s malsain");aqi18n.register('aqi-implication-300-500',"Alerte sant\u00e9: Potentiels effets sur la sant\u00e9 concernant toute la population");aqi18n.register('aqi-level-300-500',"Dangereux");aqi18n.register('updated',"Mise \u00e0 jour"); </script> <script type="text/javascript"> ["preInitPage","initTime"].forEach(function(f){ if (window[f]) { try { window[f](); } catch (e) { loge("error in "+f,e); }} }); </script> <script src='/jscripts/moment/bundle.min.js?_=20200103.150752&type=script'></script> <script src='https://aqicn.org/air-cache/tingle/0.15.1/tingle.min.js?_=20191109.130307' type='text/javascript'></script> <script type="text/javascript"> document.addEventListener("DOMContentLoaded", function() { ["Page","HeadSearch","Search","Notify","Geolocate","AqiForecast","Download","Sharing","Page2"].forEach(function(f){ f = "init"+f; if (window[f]) { try { window[f](); } catch (e) { loge ("error in "+f,e,e.stack);}; } }); if (typeof ntfOnInit != "undefined") ntfOnInit(); }); </script> <script type="text/javascript"> (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','https://www.google-analytics.com/analytics.js','ga'); ga('create', 'UA-28507883-1', 'auto'); ga('send', 'pageview'); try { var images = document.querySelectorAll('.async-img'); var config = { rootMargin: '50px 0px', threshold: 0.01}; function preloadImage(img) { img.src = img.dataset.src; } function onIntersection(entries) { entries.forEach(function(entry) { if (entry.intersectionRatio > 0) { observer.unobserve(entry.target); preloadImage(entry.target); } }) } var observer = new IntersectionObserver(onIntersection, config); images.forEach(function(image){observer.observe(image)}); } catch (e) {} </script>  </body> </html> </section>