Air quality in San Leandro
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
21.1 µg/m³
WHO guideline 15
PM10
23.6 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
8:00 AM
💨
PM2.5 21.1 µg/m³
70 Moderate
9:00 AM
💨
PM2.5 17.8 µg/m³
63 Moderate
10:00 AM
💨
PM2.5 10.3 µg/m³
43 Good
11:00 AM
💨
PM2.5 4.5 µg/m³
30 Good
12:00 PM
💨
PM2.5 3.1 µg/m³
35 Good
1:00 PM
💨
PM2.5 2.8 µg/m³
40 Good
2:00 PM
💨
PM2.5 2.8 µg/m³
43 Good
3:00 PM
💨
PM2.5 3 µg/m³
44 Good
4:00 PM
💨
PM2.5 3.1 µg/m³
45 Good
5:00 PM
💨
PM2.5 3.4 µg/m³
43 Good
6:00 PM
💨
PM2.5 5.3 µg/m³
38 Good
7:00 PM
💨
PM2.5 7.1 µg/m³
31 Good
Next few days daily max · US EPA AQI
Tue
💨
Moderate · UV Moderate
71
Wed
💨
Moderate · UV Moderate
78
Thu
💨
Moderate · UV Moderate
82
Fri
💨
Moderate · UV Moderate
68
Sat
💨
Moderate · UV Very high
74
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain