Air quality in Merced
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
17.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
11:00 AM
💨
PM2.5 13.2 µg/m³
53Moderate
12:00 PM
💨
PM2.5 11.8 µg/m³
49Good
1:00 PM
💨
PM2.5 11.7 µg/m³
65Moderate
2:00 PM
💨
PM2.5 11.5 µg/m³
85Moderate
3:00 PM
💨
PM2.5 10.2 µg/m³
93Moderate
4:00 PM
💨
PM2.5 9.1 µg/m³
95Moderate
5:00 PM
💨
PM2.5 8.2 µg/m³
91Moderate
6:00 PM
💨
PM2.5 7.8 µg/m³
81Moderate
7:00 PM
💨
PM2.5 7.6 µg/m³
66Moderate
8:00 PM
💨
PM2.5 7.8 µg/m³
51Moderate
9:00 PM
💨
PM2.5 8.1 µg/m³
47Good
10:00 PM
💨
PM2.5 9.2 µg/m³
43Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV Very high
95
Thu
💨
Moderate · UV Very high
96
Fri
💨
Moderate · UV Very high
73
Sat
💨
Good · UV Very high
40
Sun
💨
Good · UV Very high
29