Air quality in Alamo
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
6 µg/m³
WHO guideline 15
PM10
6.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
4:00 PM
💨
PM2.5 6 µg/m³
78Moderate
5:00 PM
💨
PM2.5 6.2 µg/m³
63Moderate
6:00 PM
💨
PM2.5 6.5 µg/m³
48Good
7:00 PM
💨
PM2.5 7.7 µg/m³
43Good
8:00 PM
💨
PM2.5 8.6 µg/m³
37Good
9:00 PM
💨
PM2.5 8.9 µg/m³
37Good
10:00 PM
💨
PM2.5 8.4 µg/m³
35Good
11:00 PM
💨
PM2.5 7.9 µg/m³
33Good
12:00 AM
💨
PM2.5 7.7 µg/m³
32Good
1:00 AM
💨
PM2.5 7.6 µg/m³
32Good
2:00 AM
💨
PM2.5 7.7 µg/m³
32Good
3:00 AM
💨
PM2.5 7.9 µg/m³
33Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV Very high
83
Thu
💨
Moderate · UV Very high
100
Fri
💨
Moderate · UV Very high
100
Sat
💨
Moderate · UV Very high
73
Sun
💨
Good · UV Very high
43