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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 | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Moderate | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Ontario?
| Weather | Scattered clouds |
| Temperature | 73.4°F |
| Humidity | 49% |
| Wind | 18.4 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Orcutt, California | 105 |
| 2 | Corpus Christi, Texas | 84 |
| 3 | San Antonio, Texas | 78 |
| 4 | Boerne, Texas | 74 |
| 5 | Georgetown, Texas | 74 |
| 6 | Oklahoma City, Oklahoma | 72 |
| 7 | Leander, Texas | 70 |
| 8 | Round Rock, Texas | 70 |
| 9 | Austin, Texas | 69 |
| 10 | New Braunfels, Texas | 64 |
(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 | 38 |
(local time)
SEE WORLD AQI RANKING
US AQI
38
live AQI index
Good
Overview
What is the current air quality in Ontario?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 38 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9.1µg/m³ | |
!
PM2.5
x1.8
PM2.5 concentration in Ontario is currently 1.8 times 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 |
|---|---|---|---|---|
| Wednesday, Apr 24 | Good 26 AQI US | | 50° 28.4° |  8.9 mp/h |
| Thursday, Apr 25 | Good 29 AQI US |  | 68° 32° | 11.2 mp/h |
| Friday, Apr 26 | Good 45 AQI US | | 73.4° 53.6° | 20.1 mp/h |
| Friday, Apr 26 | Moderate 53 AQI US  | 100% | 73.4° 53.6° | 20.1 mp/h |
| Today | Good 38 AQI US | | 73.4° 59° | 17.9 mp/h |
| Sunday, Apr 28 | Good 50 AQI US | 100% | 69.8° 59° | 15.7 mp/h |
| Monday, Apr 29 | Good 46 AQI US | 100% | 66.2° 53.6° | 13.4 mp/h |
| Tuesday, Apr 30 | Good 35 AQI US | 40% | 71.6° 50° | 8.9 mp/h |
| Wednesday, May 1 | Moderate 75 AQI US | 40% | 77° 55.4° | 13.4 mp/h |
| Thursday, May 2 | Moderate 71 AQI US | 100% | 68° 57.2° | 15.7 mp/h |
| Friday, May 3 | Good 38 AQI US | | 59° 42.8° | 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