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AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesIndex | N/A | ||
Tree pollen | N/A | ||
Grass pollen | N/A | ||
Weed pollen | N/A |
Weather | Broken clouds |
Temperature | 32°F |
Humidity | 74% |
Wind | 15.8 mp/h |
Pressure | 29.9 Hg |
# | city | US AQI |
---|---|---|
1 | Valemount, British Columbia | 77 |
2 | Houston, British Columbia | 74 |
3 | Smithers, British Columbia | 55 |
4 | Chetwynd, British Columbia | 53 |
5 | Vanderhoof, British Columbia | 52 |
6 | Abbotsford, British Columbia | 44 |
7 | Smithers St Josephs, British Columbia | 44 |
8 | West End, British Columbia | 43 |
9 | Golden, British Columbia | 38 |
10 | Victoria, British Columbia | 34 |
(local time)
SEE WORLD AQI RANKING# | station | US AQI |
---|---|---|
1 | St. Catharines Station | 28 |
(local time)
SEE WORLD AQI RANKINGUS AQI
29
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 29 US AQI | O3 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 2µg/m³ | |
O3 | 70µg/m³ |
PM2.5 concentration in St. Catharines air currently meets the WHO annual air quality guideline value
Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Saturday, Mar 16 | Good 27 AQI US | 44.6° 35.6° | 15.7 mp/h | |
Sunday, Mar 17 | Good 25 AQI US | 35.6° 32° | 17.9 mp/h | |
Monday, Mar 18 | Good 31 AQI US | 35.6° 30.2° | 24.6 mp/h | |
Today | Good 29 AQI US | 100% | 35.6° 30.2° | 24.6 mp/h |
Wednesday, Mar 20 | Good 17 AQI US | 60% | 33.8° 28.4° | 26.8 mp/h |
Thursday, Mar 21 | Good 4 AQI US | 30% | 32° 24.8° | 22.4 mp/h |
Friday, Mar 22 | Good 7 AQI US | 100% | 37.4° 26.6° | 15.7 mp/h |
Saturday, Mar 23 | Good 12 AQI US | 100% | 39.2° 26.6° | 24.6 mp/h |
Sunday, Mar 24 | Good 5 AQI US | 30.2° 23° | 15.7 mp/h | |
Monday, Mar 25 | Good 8 AQI US | 40% | 44.6° 32° | 15.7 mp/h |
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1Contributor
Government Contributor
2 Data sources