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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 | Mist |
Temperature | 64.4°F |
Humidity | 98% |
Wind | 3.4 mp/h |
Pressure | 30 Hg |
# | city | US AQI |
---|---|---|
1 | Brampton, Ontario | 128 |
2 | Hamilton, Ontario | 117 |
3 | Kitchener, Ontario | 82 |
4 | Windsor, Ontario | 82 |
5 | Guelph, Ontario | 81 |
6 | Maniwaki, Quebec | 71 |
7 | Oakville, Ontario | 69 |
8 | Mississauga, Ontario | 65 |
9 | Saguenay, Quebec | 64 |
10 | Toronto, Ontario | 64 |
(local time)
SEE WORLD AQI RANKING# | station | US AQI |
---|---|---|
1 | St. Catharines Station | 60 |
(local time)
SEE WORLD AQI RANKINGUS AQI
60
live AQI index
Moderate
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Moderate | 60 US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 14µg/m³ |
PM2.5
x2.8
PM2.5 concentration in St. Catharines is currently 2.8 times the WHO annual air quality guideline value
Sensitive groups should reduce outdoor exercise | |
Close your windows to avoid dirty outdoor air GET A MONITOR | |
Sensitive groups should wear a mask outdoors GET A MASK | |
Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Friday, May 31 | Good 39 AQI US | 73.4° 53.6° | 8.9 mp/h | |
Saturday, Jun 1 | Moderate 51 AQI US | 62.6° 59° | 6.7 mp/h | |
Sunday, Jun 2 | Moderate 52 AQI US | 68° 60.8° | 4.5 mp/h | |
Today | Moderate 60 AQI US | 30% | 68° 60.8° | 4.5 mp/h |
Tuesday, Jun 4 | Moderate 63 AQI US | 69.8° 57.2° | 6.7 mp/h | |
Wednesday, Jun 5 | Moderate 62 AQI US | 90% | 71.6° 62.6° | 11.2 mp/h |
Thursday, Jun 6 | Good 42 AQI US | 100% | 68° 59° | 13.4 mp/h |
Friday, Jun 7 | Good 20 AQI US | 70% | 62.6° 55.4° | 11.2 mp/h |
Saturday, Jun 8 | Good 31 AQI US | 60% | 59° 53.6° | 8.9 mp/h |
Sunday, Jun 9 | Moderate 60 AQI US | 100% | 59° 55.4° | 6.7 mp/h |
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1Contributor
Government Contributor
2 Data sources