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AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesIndex | Low | ||
Tree pollen | Low | ||
Grass pollen | Low | ||
Weed pollen | None |
Weather | Broken clouds |
Temperature | 50°F |
Humidity | 62% |
Wind | 10.4 mp/h |
Pressure | 30.1 Hg |
# | city | US AQI |
---|---|---|
1 | London, Ontario | 66 |
2 | Montreal, Quebec | 50 |
3 | Windsor, Ontario | 45 |
4 | Kitchener, Ontario | 42 |
5 | Burlington, Ontario | 39 |
6 | Hamilton, Ontario | 37 |
7 | Fredericton, New Brunswick | 35 |
8 | Richmond, British Columbia | 34 |
9 | Chetwynd, British Columbia | 33 |
10 | Burnaby, British Columbia | 32 |
(local time)
SEE WORLD AQI RANKING# | station | US AQI |
---|---|---|
1 | Cornwall Station | 22 |
(local time)
SEE WORLD AQI RANKINGUS AQI
23
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 23 US AQI | O3 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 1µg/m³ | |
O3 | 56µg/m³ |
PM2.5 concentration in Cornwall air currently meets the WHO annual air quality guideline value
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Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Friday, Apr 26 | Good 32 AQI US | 64.4° 35.6° | 8.9 mp/h | |
Saturday, Apr 27 | Good 29 AQI US | 64.4° 48.2° | 11.2 mp/h | |
Sunday, Apr 28 | Good 22 AQI US | 50° 39.2° | 8.9 mp/h | |
Today | Good 23 AQI US | 50° 39.2° | 8.9 mp/h | |
Tuesday, Apr 30 | Good 19 AQI US | 100% | 46.4° 39.2° | 11.2 mp/h |
Wednesday, May 1 | Good 40 AQI US | 60.8° 41° | 4.5 mp/h | |
Thursday, May 2 | Good 48 AQI US | 68° 48.2° | 11.2 mp/h | |
Friday, May 3 | Good 38 AQI US | 59° 42.8° | 11.2 mp/h | |
Saturday, May 4 | Moderate 57 AQI US | 100% | 53.6° 44.6° | 11.2 mp/h |
Sunday, May 5 | Good 31 AQI US | 30% | 66.2° 51.8° | 13.4 mp/h |
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