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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 |
Source: tomorrow.io
Weather
What is the current weather in Ontario?
| Weather | Mist |
| Temperature | 60.8°F |
| Humidity | 95% |
| Wind | 9.2 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 303 |
| 2 | Palm Desert, California | 126 |
| 3 | Coachella, California | 119 |
| 4 | Apple Valley, Minnesota | 91 |
| 5 | Oklahoma City, Oklahoma | 88 |
| 6 | Tulsa, Oklahoma | 87 |
| 7 | Thermal, California | 84 |
| 8 | Wichita, Kansas | 83 |
| 9 | Edmond, Oklahoma | 79 |
| 10 | Fort Thompson, South Dakota | 79 |
(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 | 78 |
(local time)
SEE WORLD AQI RANKING
US AQI
78
live AQI index
Moderate
Overview
What is the current air quality in Ontario?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 78 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 23.5µg/m³ | |
!
PM2.5
x4.7
PM2.5 concentration in Ontario is currently 4.7 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Ontario?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Ontario air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Sunday, May 12 | Good 37 AQI US  |  | 71.6° 50° |  13.4 mp/h |
| Monday, May 13 | Good 42 AQI US | | 64.4° 51.8° | 8.9 mp/h |
| Tuesday, May 14 | Moderate 65 AQI US | | 60.8° 53.6° | 8.9 mp/h |
| Today | Moderate 78 AQI US | 100% | 60.8° 53.6° | 8.9 mp/h |
| Thursday, May 16 | Moderate 59 AQI US |  | 68° 50° | 8.9 mp/h |
| Friday, May 17 | Moderate 60 AQI US | 100% | 68° 53.6° | 8.9 mp/h |
| Saturday, May 18 | Moderate 59 AQI US | 100% | 68° 59° | 8.9 mp/h |
| Sunday, May 19 | Moderate 58 AQI US | 70% | 66.2° 55.4° | 6.7 mp/h |
| Monday, May 20 | Moderate 66 AQI US |  | 69.8° 48.2° | 6.7 mp/h |
| Tuesday, May 21 | Moderate 80 AQI US | 30% | 73.4° 53.6° | 13.4 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
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