Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality near St. Catharines Station, St. Catharines
Air quality index (AQI) and PM2.5 air pollution near St. Catharines Station, St. Catharines
5.6K people follow this station
Air Quality Map
Real-time St. Catharines Station air pollution map
AIR QUALITY DATA CONTRIBUTORS
Station operated by
Government of Ontario, Ministry of the Environment
Government
Pollen
What is the pollen count in St. Catharines Station today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near St. Catharines Station, St. Catharines?
| Weather | Broken clouds |
| Temperature | 51.8°F |
| Humidity | 89% |
| Wind | 5.7 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Patricia Mcinnes, Alberta | 43 |
| 2 | Lac La Biche, Alberta | 41 |
| 3 | Gibbons, Alberta | 39 |
| 4 | Valemount, British Columbia | 38 |
| 5 | Cold Lake, Alberta | 36 |
| 6 | Fort Mckay, Alberta | 36 |
| 7 | Grimshaw, Alberta | 35 |
| 8 | Chetwynd, British Columbia | 32 |
| 9 | Fort St John, British Columbia | 30 |
| 10 | Ottawa, Ontario | 30 |
(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 Station | 25 |
(local time)
SEE WORLD AQI RANKING
US AQI
25
live AQI index
Good
Overview
What is the current air quality near St. Catharines Station, St. Catharines?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 25 US AQI | O3 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3µg/m³ | |
| O3 | 62µg/m³ | |
| NO2 | 11.1µg/m³ | |
Health Recommendations
What is the current air quality near St. Catharines Station, St. Catharines?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
St. Catharines Station, St. Catharines air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Tuesday, Apr 30 | Good 28 AQI US | |||
| Wednesday, May 1 | Good 28 AQI US | |||
| Thursday, May 2 | Good 31 AQI US | |||
| Today | Good 25 AQI US |  40% | 55.4° 48.2° |  8.9 mp/h |
| Saturday, May 4 | Good 44 AQI US | 50% | 59° 48.2° | 11.2 mp/h |
| Sunday, May 5 | Good 37 AQI US | 100% | 57.2° 48.2° | 13.4 mp/h |
| Monday, May 6 | Good 41 AQI US | | 53.6° 44.6° | 6.7 mp/h |
| Tuesday, May 7 | Good 26 AQI US | 100% | 57.2° 46.4° | 6.7 mp/h |
| Wednesday, May 8 | Good 43 AQI US | 60% | 66.2° 51.8° | 17.9 mp/h |
| Thursday, May 9 | Good 10 AQI US | 100% | 59° 50° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
St. Catharines Station air quality data attribution
Contributor
Government Contributor
2 Data sources
Where is the cleanest air quality in St. Catharines?
AQI US, Metric