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Air quality in Ontario
Air quality index (AQI) and PM2.5 air pollution in Ontario
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Ontario Air Quality Map
Real-time Ontario air pollution map
AIR QUALITY DATA CONTRIBUTORS
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Pollen
What is the pollen count in Ontario today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Weather
What is the current weather in Ontario?
| Weather | Broken clouds |
| Temperature | 53.6°F |
| Humidity | 80% |
| Wind | 8.1 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Visalia, California | 117 |
| 2 | Porterville, California | 96 |
| 3 | Palm Desert, California | 84 |
| 4 | Three Rivers, California | 81 |
| 5 | Allentown, Pennsylvania | 77 |
| 6 | Casa Grande, Arizona | 76 |
| 7 | Bakersfield, California | 69 |
| 8 | Wichita, Kansas | 69 |
| 9 | Charlottesville, Virginia | 66 |
| 10 | Corpus Christi, Texas | 66 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Ontario aqi ranking
Real-time Ontario air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Park Avenue West | 16 |
(local time)
SEE WORLD AQI RANKING
US AQI
16
live AQI index
Good
Overview
What is the current air quality in Ontario?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 16 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.9µg/m³ | |
✓
PM2.5 concentration in Ontario air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Ontario?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Ontario air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Monday, Apr 15 | Good 23 AQI US |  | 73.4° 46.4° |  11.2 mp/h |
| Tuesday, Apr 16 | Good 33 AQI US | | 66.2° 55.4° | 20.1 mp/h |
| Wednesday, Apr 17 | Good 13 AQI US | | 64.4° 48.2° | 11.2 mp/h |
| Today | Good 16 AQI US | | 64.4° 48.2° | 11.2 mp/h |
| Friday, Apr 19 | Good 25 AQI US | 100% | 55.4° 44.6° | 15.7 mp/h |
| Saturday, Apr 20 | Good 8 AQI US | | 48.2° 35.6° | 17.9 mp/h |
| Sunday, Apr 21 | Good 6 AQI US | | 48.2° 32° | 6.7 mp/h |
| Monday, Apr 22 | Good 6 AQI US |  | 55.4° 33.8° | 6.7 mp/h |
| Tuesday, Apr 23 | Good 12 AQI US | 100% | 57.2° 42.8° | 13.4 mp/h |
| Wednesday, Apr 24 | Good 16 AQI US | 100% | 48.2° 32° | 15.7 mp/h |
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News
The latest air quality news and resources.
Ontario air quality data attribution
1Contributor
- 1 Anonymous contributor
1 station
Anonymous Contributor
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Ontario?
AQI US, Metric