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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
2 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 | Shower rain |
| Temperature | 51.8°F |
| Humidity | 86% |
| Wind | 9 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Boerne, Texas | 100 |
| 2 | San Antonio, Texas | 75 |
| 3 | New Braunfels, Texas | 70 |
| 4 | Georgetown, Texas | 66 |
| 5 | Aiken, South Carolina | 65 |
| 6 | Round Rock, Texas | 65 |
| 7 | Columbia, South Carolina | 64 |
| 8 | Leander, Texas | 63 |
| 9 | Austin, Texas | 60 |
| 10 | Palm Desert, California | 60 |
(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 | Ontario-Route 60 Near Road | 32 |
| 2 | Haven Ave | 16 |
(local time)
SEE WORLD AQI RANKING
US AQI
22
live AQI index
Good
Overview
What is the current air quality in Ontario?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 22 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.4µg/m³ | |
| NO2 | 61.3µg/m³ | |
!
PM2.5
x1.1
PM2.5 concentration in Ontario is currently 1.1 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 |
|---|---|---|---|---|
| Tuesday, Apr 23 | Good 36 AQI US |  | 66.2° 53.6° |  11.2 mp/h |
| Wednesday, Apr 24 | Good 22 AQI US | | 62.6° 53.6° | 8.9 mp/h |
| Thursday, Apr 25 | Good 17 AQI US | | 62.6° 51.8° | 11.2 mp/h |
| Today | Good 22 AQI US | 40% | 62.6° 51.8° | 11.2 mp/h |
| Saturday, Apr 27 | Good 15 AQI US |  | 71.6° 51.8° | 8.9 mp/h |
| Sunday, Apr 28 | Good 25 AQI US | | 77° 55.4° | 8.9 mp/h |
| Monday, Apr 29 | Good 35 AQI US | | 77° 59° | 8.9 mp/h |
| Tuesday, Apr 30 | Good 34 AQI US | | 77° 59° | 11.2 mp/h |
| Wednesday, May 1 | Good 22 AQI US | | 78.8° 57.2° | 6.7 mp/h |
| Thursday, May 2 | Good 23 AQI US | | 84.2° 60.8° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Ontario air quality data attribution
2Contributors
- California Air Resources Board (CARB)
1 station
Government Contributor
- 1 Anonymous contributor
1 station
Anonymous Contributor
3 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in Ontario?
AQI US, Metric