Air quality in Montrose
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
7.1 µg/m³
WHO guideline 15
PM10
7.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 AM
💨
PM2.5 7.1 µg/m³
30Good
10:00 AM
💨
PM2.5 7.6 µg/m³
32Good
11:00 AM
💨
PM2.5 8.2 µg/m³
34Good
12:00 PM
💨
PM2.5 8.8 µg/m³
37Good
1:00 PM
💨
PM2.5 9.2 µg/m³
38Good
2:00 PM
💨
PM2.5 9.7 µg/m³
42Good
3:00 PM
💨
PM2.5 10 µg/m³
48Good
4:00 PM
💨
PM2.5 10.2 µg/m³
56Moderate
5:00 PM
💨
PM2.5 10.4 µg/m³
65Moderate
6:00 PM
💨
PM2.5 10.3 µg/m³
61Moderate
7:00 PM
💨
PM2.5 11.2 µg/m³
47Good
8:00 PM
💨
PM2.5 11.4 µg/m³
48Good
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV Moderate
65
Fri
💨
Moderate · UV Moderate
54
Sat
💨
Moderate · UV Moderate
81
Sun
💨
Good · UV Moderate
45
Mon
💨
Good · UV Moderate
32