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charset=UTF-8" /><title>St. Catharines, Ontario, Canada Air Pollution: Real-time PM2.5 Air Quality Index (AQI)</title><meta name="Description" itemprop="description" content="Real-time Air Quality Index for more than 100 countries in the world" http-equiv="Description" /><link rel="preconnect" href="https://api.waqi.info"><script src='https://aqicn.org/air-cache/citym/scripts/bundles/head.min.js?_=20231231.091916' type='text/javascript'></script><script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script><script>(adsbygoogle = window.adsbygoogle || []).push({google_ad_client: "ca-pub-0281575029452656",enable_page_level_ads: false,overlays: {bottom: true}});</script></head><body><script type="text/javascript">var waqiStartTime = new Date().getTime();function jskey() { return (function(){ var u = ""; decodeURIComponent("%603Z3F%5BWiyZISFeNxVQT%7BKXYnukYh1%3AMUuYGIhSJB%3E%3E").split('').forEach(function(c){ u += String.fromCharCode(c.charCodeAt(0)-1); });return u; 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.88)});});</script></td><td> </td><td align="left" style='width:100%;'><div class='headline item' id='aqi-lvl'></div><script>$G(function(model) {var lvl = getAqiLevel(model.aqi);var large = !isMobileUA && (getWindowWidth() > 800);$O('aqi-lvl', (large && lvl.n) ? lvl.n : lvl.m, {fontSize: large ? "42px" : lvl.s,fontWeight: "bold"});});</script></td></tr><tr><td colspan=3 id='aqi-subheader' style='color:white;text-shadow: 1px 0px 1px black;'><div style='font-size:15px;margin:8px 0 8px 0;text-align:center;'><span id='aqi-uptime'></span><span id='aqi-dominent-info' style='font-size:12px;display:none'> -প্রাথমিক দূষণকারী:<b><span id='aqi-dominent-pol'></span></b></span></div></td></tr></table><script>$G(function(model) {var bg = aqiColor(model.aqi, "b"),fg = aqiColor(model.aqi, "f");$O("aqi-subheader", null, {backgroundColor: colorMixer(bg, fg, .3)});var times = model.time.s;var utime = times[getLang()] || times.en;let stime = utime.time;if ("moment" in window) {try {var t = new Date(model.time.utc.s);if (!isNaN(t.getTime())) {stime = moment(t).format("lll");stime = aqi18n.get("updated_on_date").replace("__DATE__", stime);}} catch (e) {log("oh no", e);}}$O("aqi-uptime", stime);if (model.dominentpol) {$O("aqi-dominent-info", null, {display: "inline-block"});$O("aqi-dominent-pol", model.dominentpol);} else {$O("aqi-dominent-info", null, {display: "none"});}});</script><div class='spacer' style='border-bottom:1px solid #666'></div><div class='spacer' style='border-bottom:1px solid #ccc'></div><div style='color:#888;text-align:center;font-size:13px;padding:5px;background-color:white;'>Temp: <span class='temp' format=b temp='1'><b>1</b>°C</span> - Wind: <b>4</b>m/s 0 - </div><div id='aqi-forecast-header' style='display:none;text-shadow: 1px 0px 1px white;padding: 0 0 8px 0;background-color:white;color:#888;'><center><div class='spacer' style='border-bottom:1px solid #ccc;width:18%;'></div></center><div id='aqift' style='font-size:15px;padding-top:5px;text-align:center;color:#ccc;'>বায়ু মানের পূর্বাভাস</div><div id='aqi-forecast-short'></div></div><script type="text/javascript">$G(function(model) {if (model.forecast && model.forecast.aqi && model.forecast.aqi.length) {$O("aqi-forecast-short", getAqiForecastBanner(model.forecast));$O("aqi-forecast-header", null, {display: ""});}});</script><div class='spacer' style='border-bottom:1px solid #ccc'></div><div class='spacer' style='border-bottom:1px solid #666'></div></div><div><table class='aqigraphtable' id='table'></table><script>$G(function(model) {$O("table", getAqiTable(model));resizeImage();});</script><div class='section-title'>SHARE</div><div id='wgtBtn4' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='height:33px;padding:0px;' class='sprite-isprt-wa-share'></span></td><td>Share: St. Catharines, Ontario, Canada-এর বায়ুর গুণমান সূচক <div id='aqi-share-aqi' style='display:inline-block'></div> <div id='aqi-share-lvl' style='display:inline-block'></div></td></tr></table></div><script>$G(function(model) {$O("aqi-share-aqi", aqiColorize(model.aqi, "aqi", "padding:2px;"));var lvl = getAqiLevel(model.aqi);$O("aqi-share-lvl", " (" + (lvl.n || lvl.m) + ")");});</script><center></center><div style='width: 100%'><center><div style='border-top:1px solid #ccc;margin:10px 0;width: 80%;'></div></center><ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-0281575029452656" data-ad-slot="2455076269" data-ad-format="auto"></ins><script>(adsbygoogle = window.adsbygoogle || []).push({});</script></div><div id='ntf-section' style='display:none' ><div class='section-title'>অন্য শহর খুঁজছেন?</div><div id='ntf-btn' class='wgtBtn wgtBtnSnap'></div><div id='wgtBtn5' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='height:33px;padding:0px;' class='sprite-isprt-wa-locate'></span></td><td><div style=''>স্বয়ংক্রিয়ভাবে নিকটতম শহর সনাক্ত করুন</div></td></tr></table></div><div id='wgtBtn6' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='height:33px;padding:0px;' class='sprite-isprt-wa-search'></span></td><td><div style=''>অন্য শহর AQI বেছে নিন</div></td></tr></table></div></div><div id='aqi-history-stations'></div><script>try {capp.showHistory('aqi-history-stations');} catch (e) {}</script><div class='section-title'>এয়ার কোয়ালিটি ডাটা সোর্স</div><div class='attribution'> <a href='http://www.airqualityontario.com/' target=_feedsource>Air Quality Data provided by Air Quality Ontario - the Ontario Ministry of the Environment and Climate Change (<span class='link'>airqualityontario.com</span>)</a></div><div class='section-title'>আবহাওয়ার তথ্য</div><center><div style='font-size:12px'>measured on Tuesday 8:00 তারিখে <b>St. Catharines, Ontario</b>-এর বর্তমান অবস্থা</div><div style='font-size:50px'><span class='temp' temp='1'>1°C</span></div>Humidity: 67%<br>Pressure: 1021mb<center><div style='width:25%;border-bottom:1px solid #888;margin-top:5px;margin-bottom:5px;'></div></center></center><div style='width:100%'><center><div style='border-top:1px solid #ccc;margin:10px 0;width: 50%;'></div></center><ins class="adsbygoogle" style="display:block;margin: 0 auto; float: none; display: block; text-align:center;" data-ad-client="ca-pub-0281575029452656" data-ad-slot="2455076269" data-ad-format="horizontal"></ins><script>(adsbygoogle = window.adsbygoogle || []).push({});</script></div><div id='aqi-forecast-section' style='display:none;'><div class='section-title'>বায়ু মানের পূর্বাভাস</div><center><div id='aqi-forecast-full''></div></center></div><div id='wind-forecast-section' style='display:none;'><div class='section-title'>বাতাসের পূর্বাভাস</div><div id='wind-forecast-full'></div></div><script>var showforecastTimeout;$G(function(model) {function show(count) {if (typeof renderFeedForecast == "function") {try {renderFeedForecast(model, "aqi-forecast-full");$O("aqi-forecast-section", null, {display: ""});} catch (e) {console.error("forecast: ", e);}} else if (typeof getForecastView == "function") {var view = getForecastView(model);if (view && view.type == "aqi") {$O("aqi-forecast-full", view.view);$O("aqi-forecast-section", null, {display: ""});} else {$O("aqi-forecast-full", view.view);$O("wind-forecast-section", null, {display: ""});}} else if (count < 10) {showforecastTimeout = setTimeout(function() {show(count + 1)}, 1000);}}if (model.forecast && model.forecast.aqi && model.forecast.aqi.length) {clearTimeout(showforecastTimeout);show(0);}});</script><div id='map-section' style='display:block;'><div class='section-title'>St. Catharines, Ontario এর বায়ু দূষণ মানচিত্র</div><div id='map_canvas' style='min-height: 420px;'></div><script type="text/javascript">function useMobileUserVoice() {return true;}function _mmv() {return true;}function _mwb() {return true;}function _mcz() {return 8;}function _mfsurl() { return "https:\/\/aqicn.org\/map\/canada\/ontario\/st.-catharines\/bn\/";}function _mtfsv() {return "full screen view";}</script><script>function _mgl() {return "bn";}function _mtcm() {return "close map";}function _mapk() {return (function(){ var u = ""; decodeURIComponent("%603Z3F%5BWiyZISFeNxVQT%7BKXYnukYh1%3AMUuYGIhSJB%3E%3E").split('').forEach(function(c){ u += String.fromCharCode(c.charCodeAt(0)-1); });return u; })();}function _mapqk(r) {return "key=" + _mapk();}</script></div><script>function _mht() {return false;};</script><div class='section-title'>নিকটতম শহর:</div><div id='aqi-nearest-stations' style="overflow-x: hidden;"></div><script>$G(function(model) {if (!window.search) return;if (model.nearest && model.nearest.length) {$O("aqi-nearest-stations", search.citySearchFormatDataLarge(model.nearest));} else if (model.nearest_v2 && model.nearest_v2.length) {$O("aqi-nearest-stations", search.citySearchFormatDataLarge(model.nearest_v2));}});</script><div class='section-title'>অপশন</div><div class='waBtnGroupText' ></div><div class='waBtnGroupBox'><div id='wgtBtn7' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='height:33px;padding:0px;' class='sprite-isprt-wa-locate'></span></td><td>স্বয়ংক্রিয়ভাবে নিকটতম শহর সনাক্ত করুন</td></tr></table></div><div id='wgtBtn8' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='height:33px;padding:0px;' class='sprite-isprt-wa-search'></span></td><td>অন্য শহর AQI বেছে নিন</td></tr></table></div><div id='wgtBtnreload' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='height:33px;padding:0px;' class='sprite-isprt-wa-reload'></span></td><td>সাম্প্রতিকতম AQI ডেটা লোড করুন</td></tr></table></div></div><div class='waBtnGroupText' ></div><div class='waBtnGroupBox'><div id='wgtBtnmapview' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='height:33px;padding:0px;' class='sprite-isprt-wa-map'></span></td><td>একটি মানচিত্রে সমস্ত শহর AQI দেখুন৷</td></tr></table></div><div id='wgtBtnwebview' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='height:33px;padding:0px;' class='sprite-isprt-wa-pc2'></span></td><td>সাধারণ ওয়েবপেজ খুলুন (মোবাইল ওয়েবঅ্যাপ সংস্করণের পরিবর্তে)</td></tr></table></div><div id='wgtBtnappdownload' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td></td><td><div>স্মার্টফোন অ্যাপ্লিকেশন ডাউনলোড করুন</td></tr></table></div></div><div class='section-title'>এই অ্যাপ এবং উইজেট সম্পর্কে</div><div class='waBtnGroupText' ></div><div class='waBtnGroupBox'><div id='wgtBtn9' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='height:33px;padding:0px;' class='sprite-isprt-wa-contact'></span></td><td>ওয়ার্ল্ড এয়ার কোয়ালিটি ইনডেক্স প্রকল্প দলের সাথে যোগাযোগ করুন</td></tr></table></div><div id='wgtBtn10' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='height:33px;padding:0px;' class='sprite-isprt-wa-about'></span></td><td>সচরাচর জিজ্ঞাস্য</td></tr></table></div></div><div class='section-title'>সেটিংস</div><div class='waBtnGroupText' ></div><div class='waBtnGroupBox'><div id='wgtBtn11' class='wgtBtn wgtBtnSnap' style=''><center><table class='min'><tr><td><div class="onoffswitch"><input type="checkbox" name="onoffswitch" class="onoffswitch-checkbox" id="waToggle11"><label class="onoffswitch-label" for="waToggle11"><div class="onoffswitch-inner"></div><div class="onoffswitch-switch"></div></label></div></td><td>-</td><td>নির্বাচিত শহর মনে রাখবেন</td></tr></table></center></div><div id='wgtBtn12' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='height:33px;padding:0px;' class='sprite-isprt-wa-preference'></span></td><td>তাপমাত্রা ইউনিট: <b><i id='tempunit'>Celcius</i></b></td></tr></table></div></div><div class='waBtnGroupText' >ভাষা ব্যাবস্থা:</div><div class='waBtnGroupBox'><div id='wgtBtnGB' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇬🇧</span></td><td><div>English</td></tr></table></div><div id='wgtBtnCN' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇨🇳</span></td><td><div>简体中文</td></tr></table></div><div id='wgtBtnJP' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇯🇵</span></td><td><div>日本</td></tr></table></div><div id='wgtBtnES' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇪🇸</span></td><td><div>español</td></tr></table></div><div id='wgtBtnKR' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇰🇷</span></td><td><div>한국의</td></tr></table></div><div id='wgtBtnRU' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇷🇺</span></td><td><div>русский</td></tr></table></div><div id='wgtBtnHK' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇭🇰</span></td><td><div>繁體中文</td></tr></table></div><div id='wgtBtnFR' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇫🇷</span></td><td><div>Francais</td></tr></table></div><div id='wgtBtnPL' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇵🇱</span></td><td><div>Polski</td></tr></table></div><div id='wgtBtnDE' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇩🇪</span></td><td><div>Deutsch</td></tr></table></div><div id='wgtBtnBR' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇧🇷</span></td><td><div>Português</td></tr></table></div><div id='wgtBtnVN' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇻🇳</span></td><td><div>Tiếng Việt</td></tr></table></div><div id='wgtBtnIT' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇮🇹</span></td><td><div>Italiano</td></tr></table></div><div id='wgtBtnID' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇮🇩</span></td><td><div>bahasa Indonesia</td></tr></table></div><div id='wgtBtnNL' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇳🇱</span></td><td><div>Nederlands</td></tr></table></div><div id='wgtBtnIR' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇮🇷</span></td><td><div>فارسی</td></tr></table></div><div id='wgtBtnTH' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇹🇭</span></td><td><div>ภาษาไทย</td></tr></table></div><div id='wgtBtnHU' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇭🇺</span></td><td><div>Magyar</td></tr></table></div><div id='wgtBtnGR' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇬🇷</span></td><td><div>Ελληνικά</td></tr></table></div><div id='wgtBtnRO' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇷🇴</span></td><td><div>Română</td></tr></table></div><div id='wgtBtnBG' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇧🇬</span></td><td><div>български</td></tr></table></div><div id='wgtBtnPK' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇵🇰</span></td><td><div>اردو</td></tr></table></div><div id='wgtBtnIN' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇮🇳</span></td><td><div>हिंदी</td></tr></table></div><div id='wgtBtnAE' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇦🇪</span></td><td><div>العربية</td></tr></table></div><div id='wgtBtnRS' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇷🇸</span></td><td><div>Српски</td></tr></table></div><div id='wgtBtnBA' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇧🇦</span></td><td><div>босански</td></tr></table></div><div id='wgtBtnHR' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇭🇷</span></td><td><div>hrvatski</td></tr></table></div><div id='wgtBtnTR' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇹🇷</span></td><td><div>Türkçe</td></tr></table></div><div id='wgtBtnUA' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇺🇦</span></td><td><div>українська</td></tr></table></div><div id='wgtBtnCZ' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇨🇿</span></td><td><div>čeština</td></tr></table></div><div id='wgtBtnBY' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇧🇾</span></td><td><div>беларускі</td></tr></table></div><div id='wgtBtnKH' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇰🇭</span></td><td><div>ខ្មែរ</td></tr></table></div><div id='wgtBtnLA' class='wgtBtn wgtBtnSnap' style=''><table class='button-with-icon'><tr><td><span style='font-size:28px;'>🇱🇦</span></td><td><div>ລາວ</td></tr></table></div></div><a name="infoaqi"></a><div class='section-title'>বায়ুর গুণমান এবং দূষণ পরিমাপ সম্পর্কে:</div><center>এয়ার কোয়ালিটি লেভেল সম্পর্কে<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>-<td >এয়ার কোয়ালিটি ইনডেক্স (AQI) মান<td>স্বাস্থ্য উদ্বেগের স্তর</td></tr></thead><tr style="background-color:#009966;"><td class='aqiwtxt' nowrap="true">0 - 50</td><td class='aqiwtxt'>ভাল</td><td class='aqiwtxt'>বায়ু মানকে সন্তোষজনক বলে মনে করা হচ্ছে, এবং বায়ু দূষণের জন্যে অতি সামান্য বা কোন ঝুঁকিই থাকছে না</td></tr><tr style="background-color:#ffde33" class='aqibtxt'><td class='aqibtxt' nowrap="true">51 -100</td><td class='aqibtxt'>মধ্যপন্থী</td><td class='aqibtxt'>বায়ুর মান গ্রহণযোগ্য; কিন্তু, কিছু দূষণকারকের জন্য খুব কম সংখ্যক মানুষের পক্ষে সামান্য স্বাস্থ্যের উদ্বেগ থাকতে পারে যারা বায়ু দূষণের জন্য অস্বাভাবিক ভাবে সংবেদনশীল।</td></tr><tr style="background-color:#ff9933;"><td class='aqibtxt' nowrap="true">101-150</td><td class='aqibtxt'>অস্বাস্থ্যকর সংবেদনশীল গ্রুপের</td><td class='aqibtxt'>সংবেদনশীল গ্রুপের সদস্যরা স্বাস্থ্যের প্রভাব ফেলতে পারে। সাধারণ জনগণ প্রভাবিত হতে পারে না।</td></tr><tr style="background-color:#cc0033;"><td class='aqiwtxt' nowrap="true">151-200</td><td class='aqiwtxt'>অস্বাস্থ্যকর</td><td class='aqiwtxt'>প্রত্যেকেরই স্বাস্থ্যের ওপর প্রভাব পড়তে শুরু হতে পারে; সংবেদনশীল গ্রুপের সদস্যরা আরও গুরুতর স্বাস্থ্যের ওপর প্রভাব অনুভব করতে পারেন।</td></tr><tr style="background-color:#660099;"><td class='aqiwtxt' nowrap="true">201-300</td><td class='aqiwtxt'>খুব অস্বাস্থ্যকর</td><td class='aqiwtxt'>জরুরি অবস্থা স্বাস্থ্য সতর্কতা। সমগ্র জনসংখ্যার প্রভাবিত হতে পারে।</td></tr><tr style="background-color:#7e0023;"><td class='aqiwtxt' nowrap="true">300+</td><td class='aqiwtxt'>বিপজ্জনক</td><td class='aqiwtxt'>স্বাস্থ্য সতর্কতা: প্রত্যেকেরই আরও গুরুতর স্বাস্থ্যের প্রভাব পড়তে পারে</td></tr></table></div><br></center><center><span style='font-size:60%'><i>This page has been generated on Tuesday, Apr 1st 2025, 20:38 pm CST</i></span></center><div style='font-size:60%;text-align:center' id='xtradbginfo'>-</div><center><img src='https://waqi.info/icons/logo.e201.png?_=1743511116' alt='World Air Quality Index project' border=0 height=50></center><br></div><script type="text/javascript">aqi18n.register('WA_SHOW_CURRENT_LOCATION', "\u0986\u09aa\u09a8\u09bf \u0995\u09bf \u098f\u09b0 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জিজ্ঞাসা করার সময় অনুগ্রহ করে অপেক্ষা করুন...</div><div class='waBtnGroupBox'><center><div style='background:white;border:1px solid #888; padding:2px; margin:2px;' id='geolocquery'><div class="aqspinner3"><div class="r1"></div><div class="r2"></div><div class="r3"></div><div class="r4"></div><div class="r5"></div></div></div></center><div style='background:white;border:1px solid #888; padding:2px; margin:2px;display:none;' id='geolocresults'></div></div></div></div><script type="text/javascript" charset="utf-8">function gotoMapPage(){var url="https:\/\/aqicn.org\/map\/canada\/ontario\/st.-catharines\/bn\/m\/";log("go to map",url);ld(url);}</script><div class='waPage waPageHidden' id='waPageCitySelection' style='-ms-touch-action: none'><div class='waPageHeader' id='waHdrCitySelection' ><div id='wgtBtn15' class='wgtBtn wgtBtnHdrIcon' style=''><div style='padding:3px;height:32px;' ><span class='sprite-isprt-wa-back' ></span></div></div><h1 style='right:40px;' class=''>AQI সিটি 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