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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 | Broken clouds |
| Temperature | 66.2°F |
| Humidity | 75% |
| Wind | 13.8 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Georgetown, Texas | 77 |
| 2 | San Antonio, Texas | 77 |
| 3 | Leander, Texas | 74 |
| 4 | Boerne, Texas | 73 |
| 5 | Austin, Texas | 72 |
| 6 | New Braunfels, Texas | 72 |
| 7 | Corpus Christi, Texas | 71 |
| 8 | Fort Worth, Texas | 70 |
| 9 | Round Rock, Texas | 70 |
| 10 | Lewisville, Texas | 65 |
(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 | 48 |
(local time)
SEE WORLD AQI RANKING
US AQI
48
live AQI index
Good
Overview
What is the current air quality in Ontario?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 48 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.5µg/m³ | |
!
PM2.5
x2.3
PM2.5 concentration in Ontario is currently 2.3 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 |
|---|---|---|---|---|
| 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 |
| Today | Good 48 AQI US | |||
| Sunday, Apr 28 | Moderate 51 AQI US  | 20% | 69.8° 59° | 15.7 mp/h |
| Monday, Apr 29 | Good 49 AQI US | 100% | 71.6° 59° | 15.7 mp/h |
| Tuesday, Apr 30 | Good 45 AQI US | 100% | 66.2° 51.8° | 11.2 mp/h |
| Wednesday, May 1 | Good 35 AQI US | 100% | 69.8° 50° | 8.9 mp/h |
| Thursday, May 2 | Moderate 75 AQI US | 80% | 75.2° 57.2° | 11.2 mp/h |
| Friday, May 3 | Moderate 71 AQI US | 100% | 71.6° 60.8° | 17.9 mp/h |
| Saturday, May 4 | Good 38 AQI US | 100% | 62.6° 50° | 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