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AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesIndex | None | ||
Tree pollen | None | ||
Grass pollen | None | ||
Weed pollen | None |
Weather | Scattered clouds |
Temperature | 82.4°F |
Humidity | 48% |
Wind | 3 mp/h |
Pressure | 30 Hg |
# | city | US AQI |
---|---|---|
1 | ![]() | 182 |
2 | ![]() | 176 |
3 | ![]() | 171 |
4 | ![]() | 166 |
5 | ![]() | 164 |
6 | ![]() | 163 |
7 | ![]() | 161 |
8 | ![]() | 160 |
9 | ![]() | 160 |
10 | ![]() | 139 |
(local time)
SEE WORLD AQI RANKING# | station | US AQI |
---|---|---|
1 | Ursula Franklin Street | 52 |
2 | Toronto Downtown | 50 |
3 | 11 Corley Ave | 47 |
4 | Campus Walk 2 | 44 |
5 | Greenwood & Danforth | 44 |
6 | Ontario Ministry of the Environment Toronto West | 44 |
7 | Toronto Downtown 2 | 44 |
8 | Wolfrey Avenue | 44 |
9 | Tweedsmuir Avenue | 43 |
10 | Markham Street | 42 |
(local time)
SEE WORLD AQI RANKINGUS AQI
41
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 41 US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 7.5µg/m³ | |
O3 | 88µg/m³ | |
NO2 | 17.1µg/m³ | |
SO2 | 0.3µg/m³ | |
CO | 183.2µg/m³ |
PM2.5
x1.5
PM2.5 concentration in Toronto is currently 1.5 times the WHO annual air quality guideline value
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Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Saturday, Jul 20 | Moderate 52 AQI US | 78.8° 64.4° | ||
Sunday, Jul 21 | Good 34 AQI US | 78.8° 59° | ||
Monday, Jul 22 | Good 36 AQI US | 82.4° 62.6° | ||
Today | Good 41 AQI US | 82.4° 62.6° | ||
Wednesday, Jul 24 | Moderate 74 AQI US | 78.8° 64.4° | ||
Thursday, Jul 25 | Moderate 54 AQI US | 71.6° 59° | ||
Friday, Jul 26 | Good 48 AQI US | 78.8° 59° | ||
Saturday, Jul 27 | Moderate 58 AQI US | 82.4° 62.6° | ||
Sunday, Jul 28 | Moderate 62 AQI US | 86° 64.4° | ||
Monday, Jul 29 | Moderate 62 AQI US | 87.8° 66.2° |
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16Contributors
Government Contributor
Individual Contributor
1 station
14 Anonymous Contributors
14 stations
4 Data sources