Air quality in Alamo Heights
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
9.1 µg/m³
WHO guideline 15
PM10
13.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
4:00 PM
💨
PM2.5 9.1 µg/m³
51Moderate
5:00 PM
💨
PM2.5 8.5 µg/m³
51Moderate
6:00 PM
💨
PM2.5 7.9 µg/m³
48Good
7:00 PM
💨
PM2.5 7.5 µg/m³
48Good
8:00 PM
💨
PM2.5 9.6 µg/m³
43Good
9:00 PM
💨
PM2.5 10.5 µg/m³
44Good
10:00 PM
💨
PM2.5 6.7 µg/m³
31Good
11:00 PM
💨
PM2.5 4.2 µg/m³
26Good
12:00 AM
💨
PM2.5 4 µg/m³
23Good
1:00 AM
💨
PM2.5 4.5 µg/m³
20Good
2:00 AM
💨
PM2.5 4.4 µg/m³
19Good
3:00 AM
💨
PM2.5 4 µg/m³
19Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV Very high
51
Thu
💨
Good · UV Very high
44
Fri
💨
Good · UV Very high
41
Sat
💨
Good · UV Very high
41
Sun
💨
Good · UV Very high
21