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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 | 57.2°F |
Humidity | 90% |
Wind | 9.6 mp/h |
Pressure | 29.8 Hg |
# | city | US AQI |
---|---|---|
1 | Fort Mckay, Alberta | 198 |
2 | Patricia Mcinnes, Alberta | 121 |
3 | Pinehouse, Saskatchewan | 89 |
4 | Saskatoon, Saskatchewan | 62 |
5 | London, Ontario | 60 |
6 | Laval, Quebec | 57 |
7 | Quebec City, Quebec | 57 |
8 | Kitchener, Ontario | 54 |
9 | Montreal, Quebec | 54 |
10 | Saint-Bruno-de-Montarville, Quebec | 54 |
(local time)
SEE WORLD AQI RANKING# | station | US AQI |
---|---|---|
1 | St. Catharines Station | 58 |
(local time)
SEE WORLD AQI RANKINGUS AQI
58
live AQI index
Moderate
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Moderate | 58 US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 13µg/m³ |
PM2.5
x2.6
PM2.5 concentration in St. Catharines is currently 2.6 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 |
---|---|---|---|---|
Sunday, May 12 | Good 35 AQI US | 77° 48.2° | 17.9 mp/h | |
Monday, May 13 | Moderate 53 AQI US | 64.4° 53.6° | 8.9 mp/h | |
Tuesday, May 14 | Moderate 59 AQI US | 59° 51.8° | 11.2 mp/h | |
Today | Moderate 58 AQI US | 59° 51.8° | 11.2 mp/h | |
Thursday, May 16 | Moderate 59 AQI US | 60.8° 51.8° | 6.7 mp/h | |
Friday, May 17 | Moderate 55 AQI US | 30% | 60.8° 53.6° | 4.5 mp/h |
Saturday, May 18 | Good 47 AQI US | 50% | 62.6° 55.4° | 6.7 mp/h |
Sunday, May 19 | Moderate 58 AQI US | 30% | 57.2° 53.6° | 6.7 mp/h |
Monday, May 20 | Moderate 55 AQI US | 64.4° 53.6° | 6.7 mp/h | |
Tuesday, May 21 | Good 27 AQI US | 69.8° 55.4° | 15.7 mp/h |
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1Contributor
Government Contributor
2 Data sources