Air quality in Tuolumne City
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
13.2 µg/m³
WHO guideline 15
PM10
22.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
5:00 PM
💨
PM2.5 13.2 µg/m³
53Moderate
6:00 PM
💨
PM2.5 13 µg/m³
53Moderate
7:00 PM
💨
PM2.5 12.5 µg/m³
52Moderate
8:00 PM
💨
PM2.5 11.4 µg/m³
48Good
9:00 PM
💨
PM2.5 10.4 µg/m³
43Good
10:00 PM
💨
PM2.5 9.7 µg/m³
40Good
11:00 PM
💨
PM2.5 9.5 µg/m³
40Good
12:00 AM
💨
PM2.5 9.7 µg/m³
40Good
1:00 AM
💨
PM2.5 10 µg/m³
42Good
2:00 AM
💨
PM2.5 10.6 µg/m³
44Good
3:00 AM
💨
PM2.5 10.7 µg/m³
45Good
4:00 AM
💨
PM2.5 10.9 µg/m³
45Good
Next few days
daily max · US EPA AQI
Tue
💨
Moderate · UV High
53
Thu
💨
Good · UV Very high
44
Fri
💨
Moderate · UV High
55
Sat
💨
Moderate · UV Very high
52