Air quality in Whatcom
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
32 µg/m³
WHO guideline 15
PM10
32.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
7:00 AM
💨
PM2.5 32 µg/m³
93Moderate
8:00 AM
💨
PM2.5 29.5 µg/m³
88Moderate
9:00 AM
💨
PM2.5 26.2 µg/m³
81Moderate
10:00 AM
💨
PM2.5 20.6 µg/m³
69Moderate
11:00 AM
💨
PM2.5 17 µg/m³
61Moderate
12:00 PM
💨
PM2.5 15.5 µg/m³
58Moderate
1:00 PM
💨
PM2.5 14.2 µg/m³
55Moderate
2:00 PM
💨
PM2.5 13.6 µg/m³
60Moderate
3:00 PM
💨
PM2.5 13.6 µg/m³
68Moderate
4:00 PM
💨
PM2.5 14 µg/m³
76Moderate
5:00 PM
💨
PM2.5 14.5 µg/m³
78Moderate
6:00 PM
💨
PM2.5 15 µg/m³
70Moderate
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV High
97
Thu
💨
Unhealthy for Sensitive Groups · UV High
125
Fri
💨
Unhealthy for Sensitive Groups · UV High
145
Sat
💨
Unhealthy for Sensitive Groups · UV Low
133