Be the first to measure and contribute air quality data to your community
8 people follow this city
AIR QUALITY DATA SOURCE
Find out more about contributors and data sourcesIndex | Very high | ||
Tree pollen | Very high | ||
Grass pollen | Low | ||
Weed pollen | None |
Weather | Broken clouds |
Temperature | 33.8°F |
Humidity | 100% |
Wind | 5 mp/h |
Pressure | 30.1 Hg |
# | city | US AQI |
---|---|---|
1 | Sechelt, British Columbia | 56 |
2 | Pictou, Nova Scotia | 53 |
3 | Kitchener, Ontario | 52 |
4 | Rouyn-Noranda, Quebec | 49 |
5 | Toronto, Ontario | 48 |
6 | Mississauga, Ontario | 46 |
7 | Burlington, Ontario | 45 |
8 | Hamilton, Ontario | 45 |
9 | Houston, British Columbia | 40 |
10 | Oakville, Ontario | 39 |
(local time)
SEE WORLD AQI RANKINGUS AQI
24*
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 24* US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 5.8*µg/m³ | |
PM10 | 14.5*µg/m³ | |
O3 | 35.8*µg/m³ | |
NO2 | 0.1*µg/m³ | |
CO | 0.1*µg/m³ |
PM2.5
x1.2
PM2.5 concentration in Marystown is currently 1.2 times the WHO annual air quality guideline value
Enjoy outdoor activities | |
Open your windows to bring clean, fresh air indoors GET A MONITOR |
Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Today | Good 24 AQI US | 100% | 37.4° 32° | 20.1 mp/h |
Monday, Apr 29 | Good 5 AQI US | 100% | 46.4° 37.4° | 17.9 mp/h |
Tuesday, Apr 30 | Good 4 AQI US | 90% | 44.6° 39.2° | 24.6 mp/h |
Wednesday, May 1 | Good 4 AQI US | 40% | 46.4° 41° | 17.9 mp/h |
Thursday, May 2 | Good 5 AQI US | 48.2° 39.2° | 11.2 mp/h | |
Friday, May 3 | Good 4 AQI US | 100% | 44.6° 41° | 22.4 mp/h |
Saturday, May 4 | Good 6 AQI US | 100% | 41° 39.2° | 24.6 mp/h |
Interested in hourly forecast? Get the app
No locations are available.