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AIR QUALITY DATA SOURCE
Find out more about contributors and data sourcesIndex | Very high | ||
Tree pollen | Very high | ||
Grass pollen | Low | ||
Weed pollen | None |
Weather | Broken clouds |
Temperature | 41°F |
Humidity | 70% |
Wind | 11.3 mp/h |
Pressure | 30.1 Hg |
# | city | US AQI |
---|---|---|
1 | Oshawa, Ontario | 64 |
2 | Toronto, Ontario | 63 |
3 | Mississauga, Ontario | 61 |
4 | Burlington, Ontario | 59 |
5 | Hamilton, Ontario | 55 |
6 | Windsor, Ontario | 55 |
7 | Kitchener, Ontario | 52 |
8 | Oakville, Ontario | 49 |
9 | Waterloo, Ontario | 41 |
10 | London, Ontario | 38 |
(local time)
SEE WORLD AQI RANKINGUS AQI
33
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 33 US AQI | O3 |
Pollutants | Concentration | |
---|---|---|
O3 | 79.6µg/m³ |
Enjoy outdoor activities | |
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Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Today | Good 33 AQI US | 80% | 51.8° 33.8° | 13.4 mp/h |
Monday, Apr 29 | Good 5 AQI US | 100% | 50° 30.2° | 13.4 mp/h |
Tuesday, Apr 30 | Good 4 AQI US | 100% | 42.8° 37.4° | 11.2 mp/h |
Wednesday, May 1 | Good 17 AQI US | 30% | 57.2° 41° | 6.7 mp/h |
Thursday, May 2 | Good 14 AQI US | 50% | 50° 42.8° | 8.9 mp/h |
Friday, May 3 | Moderate 67 AQI US | 30% | 57.2° 39.2° | 8.9 mp/h |
Saturday, May 4 | Good 32 AQI US | 100% | 50° 46.4° | 13.4 mp/h |
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