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
22.8 µg/m³
WHO guideline 15
PM10
37.4 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
2:00 AM
💨
PM2.5 22.8 µg/m³
74 Moderate
3:00 AM
💨
PM2.5 27.4 µg/m³
83 Moderate
4:00 AM
💨
PM2.5 32.6 µg/m³
94 Moderate
5:00 AM
💨
PM2.5 37.5 µg/m³
106 Unhealthy for Sensitive Groups
6:00 AM
💨
PM2.5 41.8 µg/m³
117 Unhealthy for Sensitive Groups
7:00 AM
💨
PM2.5 45.4 µg/m³
125 Unhealthy for Sensitive Groups
8:00 AM
💨
PM2.5 48.1 µg/m³
132 Unhealthy for Sensitive Groups
9:00 AM
💨
PM2.5 48.2 µg/m³
132 Unhealthy for Sensitive Groups
10:00 AM
💨
PM2.5 48.4 µg/m³
133 Unhealthy for Sensitive Groups
11:00 AM
💨
PM2.5 35.3 µg/m³
100 Moderate
12:00 PM
💨
PM2.5 26.3 µg/m³
81 Moderate
1:00 PM
💨
PM2.5 20.9 µg/m³
73 Moderate
Next few days daily max · US EPA AQI
Tue
💨
Moderate · UV High
84
Wed
💨
Unhealthy for Sensitive Groups · UV High
133
Thu
💨
Moderate · UV High
83
Fri
💨
Moderate · UV Moderate
96
Sat
💨
Unhealthy for Sensitive Groups · UV High
113
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain