Air quality in Berthoud
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
6.4 µg/m³
WHO guideline 15
PM10
7.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
11:00 PM
💨
PM2.5 6.4 µg/m³
36Good
12:00 AM
💨
PM2.5 6.2 µg/m³
29Good
1:00 AM
💨
PM2.5 5.8 µg/m³
24Good
2:00 AM
💨
PM2.5 5.4 µg/m³
23Good
3:00 AM
💨
PM2.5 5.1 µg/m³
21Good
4:00 AM
💨
PM2.5 4.7 µg/m³
20Good
5:00 AM
💨
PM2.5 4.4 µg/m³
18Good
6:00 AM
💨
PM2.5 4 µg/m³
17Good
7:00 AM
💨
PM2.5 3.7 µg/m³
23Good
8:00 AM
💨
PM2.5 3.5 µg/m³
34Good
9:00 AM
💨
PM2.5 2.9 µg/m³
43Good
10:00 AM
💨
PM2.5 2.8 µg/m³
49Good
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV Very high
91
Tue
💨
Moderate · UV Very high
71
Wed
💨
Good · UV Very high
49
Thu
💨
Moderate · UV Very high
65
Fri
💨
Moderate · UV Very high
76