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AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesIndex | Low | ||
Tree pollen | Low | ||
Grass pollen | None | ||
Weed pollen | None |
Weather | Broken clouds |
Temperature | 50°F |
Humidity | 56% |
Wind | 5 mp/h |
Pressure | 29.8 Hg |
# | city | US AQI |
---|---|---|
1 | Kitchener, Ontario | 81 |
2 | London, Ontario | 58 |
3 | Peterborough, Ontario | 57 |
4 | Edmundston, New Brunswick | 56 |
5 | Hamilton, Ontario | 56 |
6 | Waterloo, Ontario | 56 |
7 | Windsor, Ontario | 55 |
8 | Levis, Quebec | 53 |
9 | Sherbrooke, Quebec | 51 |
10 | Oakville, Ontario | 48 |
(local time)
SEE WORLD AQI RANKINGUS AQI
431
live AQI index
Hazardous
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Hazardous | 431 US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 420.4µg/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 | Moderate 97 AQI US | 57.2° 41° | 6.7 mp/h | |
Wednesday, May 15 | Unhealthy 156 AQI US | 100% | 51.8° 37.4° | 6.7 mp/h |
Thursday, May 16 | Very unhealthy 201 AQI US | 70% | 55.4° 37.4° | 6.7 mp/h |
Friday, May 17 | Very unhealthy 228 AQI US | 62.6° 37.4° | 4.5 mp/h | |
Saturday, May 18 | Unhealthy 195 AQI US | 30% | 62.6° 41° | 13.4 mp/h |
Sunday, May 19 | Unhealthy 169 AQI US | 64.4° 44.6° | 6.7 mp/h | |
Monday, May 20 | Unhealthy for sensitive groups 116 AQI US | 69.8° 42.8° | 4.5 mp/h |
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