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AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesIndex | Very high | ||
Tree pollen | Very high | ||
Grass pollen | None | ||
Weed pollen | None |
Weather | Broken clouds |
Temperature | 60.8°F |
Humidity | 24% |
Wind | 6 mp/h |
Pressure | 29.8 Hg |
# | city | US AQI |
---|---|---|
1 | Hamilton, Ontario | 70 |
2 | Oakville, Ontario | 69 |
3 | Burlington, Ontario | 58 |
4 | Windsor, Ontario | 56 |
5 | Peterborough, Ontario | 55 |
6 | Mississauga, Ontario | 54 |
7 | Lac La Biche, Alberta | 53 |
8 | Toronto, Ontario | 53 |
9 | London, Ontario | 52 |
10 | Oshawa, Ontario | 49 |
(local time)
SEE WORLD AQI RANKINGUS AQI
287
live AQI index
Very unhealthy
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Very unhealthy | 287 US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 212µg/m³ |
Avoid outdoor exercise | |
Close your windows to avoid dirty outdoor air GET A MONITOR | |
Wear a mask outdoors GET A MASK | |
Run an air purifier GET AN AIR PURIFIER |
Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Tuesday, May 14 | Unhealthy 151 AQI US | 100% | 50° 39.2° | 4.5 mp/h |
Wednesday, May 15 | Unhealthy 199 AQI US | 90% | 48.2° 35.6° | 8.9 mp/h |
Thursday, May 16 | Very unhealthy 240 AQI US | 57.2° 33.8° | 4.5 mp/h | |
Friday, May 17 | Unhealthy 196 AQI US | 60% | 55.4° 37.4° | 6.7 mp/h |
Saturday, May 18 | Moderate 97 AQI US | 50% | 60.8° 39.2° | 2.2 mp/h |
Sunday, May 19 | Moderate 51 AQI US | 55.4° 39.2° | 4.5 mp/h | |
Monday, May 20 | Good 23 AQI US | 50% | 51.8° 41° | 4.5 mp/h |
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