Air quality in Gastown
The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.
PM2.5
14.6 µg/m³
WHO guideline 15
PM10
15.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 AM
💨
PM2.5 14.6 µg/m³
56Moderate
10:00 AM
💨
PM2.5 9.9 µg/m³
41Good
11:00 AM
💨
PM2.5 7 µg/m³
33Good
12:00 PM
💨
PM2.5 6.5 µg/m³
36Good
1:00 PM
💨
PM2.5 6 µg/m³
40Good
2:00 PM
💨
PM2.5 5.8 µg/m³
43Good
3:00 PM
💨
PM2.5 5.7 µg/m³
44Good
4:00 PM
💨
PM2.5 5.4 µg/m³
45Good
5:00 PM
💨
PM2.5 5.6 µg/m³
45Good
6:00 PM
💨
PM2.5 5.8 µg/m³
43Good
7:00 PM
💨
PM2.5 6 µg/m³
39Good
8:00 PM
💨
PM2.5 6.1 µg/m³
35Good
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV Moderate
94
Sun
💨
Moderate · UV Low
63
Mon
💨
Moderate · UV Moderate
83
Tue
💨
Unhealthy for Sensitive Groups · UV Moderate
122
Wed
💨
Unhealthy for Sensitive Groups · UV Moderate
110