Air quality in Modesto
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
13.3 µg/m³
WHO guideline 15
PM10
50.1 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
12:00 AM
💨
PM2.5 13.3 µg/m³
54 Moderate
1:00 AM
💨
PM2.5 13.9 µg/m³
55 Moderate
2:00 AM
💨
PM2.5 14.7 µg/m³
56 Moderate
3:00 AM
💨
PM2.5 15.7 µg/m³
59 Moderate
4:00 AM
💨
PM2.5 16.8 µg/m³
61 Moderate
5:00 AM
💨
PM2.5 18 µg/m³
63 Moderate
6:00 AM
💨
PM2.5 19.2 µg/m³
66 Moderate
7:00 AM
💨
PM2.5 23.5 µg/m³
75 Moderate
8:00 AM
💨
PM2.5 30.2 µg/m³
89 Moderate
9:00 AM
💨
PM2.5 31.1 µg/m³
91 Moderate
10:00 AM
💨
PM2.5 22.4 µg/m³
73 Moderate
11:00 AM
💨
PM2.5 17.6 µg/m³
63 Moderate
Next few days daily max · US EPA AQI
Mon
💨
Moderate · UV Moderate
61
Tue
💨
Moderate · UV High
91
Wed
💨
Unhealthy · UV High
152
Thu
💨
Moderate · UV High
87
Fri
💨
Unhealthy for Sensitive Groups · UV Moderate
101
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain