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AIR QUALITY DATA SOURCE
Find out more about contributors and data sourcesIndex | Very high | ||
Tree pollen | Very high | ||
Grass pollen | None | ||
Weed pollen | None |
Weather | Mist |
Temperature | 51.8°F |
Humidity | 100% |
Wind | 6.9 mp/h |
Pressure | 30 Hg |
# | city | US AQI |
---|---|---|
1 | London, Ontario | 65 |
2 | Montreal, Quebec | 53 |
3 | Windsor, Ontario | 45 |
4 | Kitchener, Ontario | 41 |
5 | Calgary, Alberta | 39 |
6 | Lethbridge, Alberta | 38 |
7 | Regina, Saskatchewan | 38 |
8 | St. Albert, Alberta | 38 |
9 | Hamilton, Ontario | 37 |
10 | Kamloops, British Columbia | 37 |
(local time)
SEE WORLD AQI RANKINGUS AQI
19
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 19 US AQI | O3 |
Pollutants | Concentration | |
---|---|---|
O3 | 46µg/m³ |
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Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Today | Good 19 AQI US | 55.4° 37.4° | 8.9 mp/h | |
Monday, Apr 29 | Good 6 AQI US | 100% | 44.6° 41° | 6.7 mp/h |
Tuesday, Apr 30 | Good 22 AQI US | 80% | 48.2° 42.8° | 2.2 mp/h |
Wednesday, May 1 | Moderate 51 AQI US | 40% | 66.2° 42.8° | 11.2 mp/h |
Thursday, May 2 | Moderate 57 AQI US | 57.2° 37.4° | 8.9 mp/h | |
Friday, May 3 | Good 15 AQI US | 100% | 59° 39.2° | 8.9 mp/h |
Saturday, May 4 | Good 10 AQI US | 100% | 68° 46.4° | 8.9 mp/h |
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