Air quality in Boise
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
21 µg/m³
WHO guideline 15
PM10
22.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 AM
💨
PM2.5 21 µg/m³
70Moderate
2:00 AM
💨
PM2.5 22.4 µg/m³
73Moderate
3:00 AM
💨
PM2.5 21.2 µg/m³
70Moderate
4:00 AM
💨
PM2.5 21.4 µg/m³
71Moderate
5:00 AM
💨
PM2.5 24.4 µg/m³
77Moderate
6:00 AM
💨
PM2.5 28.2 µg/m³
85Moderate
7:00 AM
💨
PM2.5 31.8 µg/m³
92Moderate
8:00 AM
💨
PM2.5 34.7 µg/m³
99Moderate
9:00 AM
💨
PM2.5 33.8 µg/m³
97Moderate
10:00 AM
💨
PM2.5 24.3 µg/m³
77Moderate
11:00 AM
💨
PM2.5 14.8 µg/m³
57Moderate
12:00 PM
💨
PM2.5 12.5 µg/m³
52Moderate
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV High
90
Sat
💨
Moderate · UV High
99
Sun
💨
Moderate · UV High
72
Mon
💨
Moderate · UV High
83
Tue
💨
Moderate · UV High
98