Be the first to measure and contribute air quality data to your community
208 people follow this city
AIR QUALITY DATA SOURCE
Find out more about contributors and data sourcesIndex | N/A | ||
Tree pollen | N/A | ||
Grass pollen | N/A | ||
Weed pollen | N/A |
Weather | Clear sky |
Temperature | 30.2°F |
Humidity | 97% |
Wind | 11.7 mp/h |
Pressure | 30 Hg |
# | city | US AQI |
---|---|---|
1 | Laval, Quebec | 59 |
2 | Valemount, British Columbia | 53 |
3 | Quebec City, Quebec | 50 |
4 | Toronto, Ontario | 45 |
5 | Calgary, Alberta | 41 |
6 | Montreal, Quebec | 38 |
7 | Houston, British Columbia | 36 |
8 | Mississauga, Ontario | 35 |
9 | Sherbrooke, Quebec | 34 |
10 | Cold Lake, Alberta | 33 |
(local time)
SEE WORLD AQI RANKINGUS AQI
35*
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 35* US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 8.4*µg/m³ |
PM2.5
x1.7
PM2.5 concentration in Thorold is currently 1.7 times the WHO annual air quality guideline value
Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Today | Good 35 AQI US | 42.8° 30.2° | 13.4 mp/h | |
Saturday, Mar 30 | Good 18 AQI US | 60% | 42.8° 32° | 8.9 mp/h |
Sunday, Mar 31 | Good 34 AQI US | 70% | 42.8° 32° | 11.2 mp/h |
Monday, Apr 1 | Good 39 AQI US | 46.4° 37.4° | 8.9 mp/h | |
Tuesday, Apr 2 | Good 38 AQI US | 100% | 48.2° 41° | 15.7 mp/h |
Wednesday, Apr 3 | Good 12 AQI US | 100% | 42.8° 33.8° | 24.6 mp/h |
Thursday, Apr 4 | Good 5 AQI US | 70% | 41° 33.8° | 17.9 mp/h |
Interested in hourly forecast? Get the app
No locations are available.