Air quality near St. Catharines, Ontario
Air quality index (AQI) and PM2.5 air pollution near St. Catharines, Ontario
3.6K people follow this station
Air Quality Map
Real-time St. Catharines air pollution map
Air Quality Data contributor(s)
Station(s) operated by
Government of Ontario, Ministry of the Environment
Government
Weather
What is the current weather near St. Catharines, Ontario?
| Weather | Clear sky |
| Temperature | 60.8°F |
| Humidity | 89% |
| Wind | 1.5 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Fort Chipewyan, Alberta | 176 |
| 2 | Yellowknife, Northwest Territories | 158 |
| 3 | Athabasca Valley, Alberta | 148 |
| 4 | Fort Mckay, Alberta | 147 |
| 5 | Lac La Biche, Alberta | 137 |
| 6 | Bonnyville, Alberta | 130 |
| 7 | Temiscaming, Quebec | 129 |
| 8 | Cold Lake South, Alberta | 127 |
| 9 | Wainwright, Alberta | 124 |
| 10 | Patricia Mcinnes, Alberta | 112 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live aqi station ranking
Real-time St. Catharines air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | St. Catharines | 63 |
(local time)
SEE WORLD AQI RANKING
US AQI
63
live AQI index
Moderate
Overview
What is the current air quality near St. Catharines, Ontario?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 63 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 18µg/m³ | |
| NO2 | 34.4µg/m³ | |
Health Recommendations
How to protect from air pollution in St. Catharines?
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should reduce outdoor exercise |
Forecast
St. Catharines, Ontario air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Sunday, May 28 | Good 41 US AQI  | |||
| Monday, May 29 | Moderate 52 US AQI | |||
| Tuesday, May 30 | Moderate 66 US AQI | |||
| Wednesday, May 31 | Moderate 63 US AQI | | 77°60.8° |  4.5 mp/h |
| Today | Moderate 63 US AQI |  80% | 78.8°62.6° | 8.9 mp/h |
| Friday, Jun 2 | Moderate 52 US AQI | 90% | 66.2°59° | 17.9 mp/h |
| Saturday, Jun 3 | Good 16 US AQI | | 66.2°51.8° | 15.7 mp/h |
| Sunday, Jun 4 | Good 22 US AQI | 100% | 66.2°55.4° | 11.2 mp/h |
| Monday, Jun 5 | Good 16 US AQI | 70% | 66.2°53.6° | 20.1 mp/h |
| Tuesday, Jun 6 | Good 9 US AQI |  | 60.8°55.4° | 17.9 mp/h |
Interested in hourly forecast? Get the app
Historical
Historic air quality graph: St. Catharines, Ontario
How to best protect from air pollution?
St. Catharines air quality data attribution
1Contributor
Government
2 Data sources
Where is the cleanest air quality in St. Catharines?
