Air quality in La Mesa
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
15.2 µg/m³
WHO guideline 15
PM10
22.6 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
4:00 PM
💨
PM2.5 15.2 µg/m³
58 Moderate
5:00 PM
💨
PM2.5 14.5 µg/m³
56 Moderate
6:00 PM
💨
PM2.5 14.4 µg/m³
56 Moderate
7:00 PM
💨
PM2.5 12.8 µg/m³
52 Moderate
8:00 PM
💨
PM2.5 11.9 µg/m³
50 Good
9:00 PM
💨
PM2.5 11.3 µg/m³
47 Good
10:00 PM
💨
PM2.5 12.9 µg/m³
53 Moderate
11:00 PM
💨
PM2.5 15.6 µg/m³
58 Moderate
12:00 AM
💨
PM2.5 18 µg/m³
63 Moderate
1:00 AM
💨
PM2.5 20.2 µg/m³
68 Moderate
2:00 AM
💨
PM2.5 21.4 µg/m³
71 Moderate
3:00 AM
💨
PM2.5 21.9 µg/m³
72 Moderate
Next few days daily max · US EPA AQI
Tue
💨
Moderate · UV High
99
Wed
💨
Moderate · UV Moderate
78
Thu
💨
Moderate · UV Moderate
55
Fri
💨
Moderate · UV Moderate
59
Sat
💨
Moderate · UV High
60
JavaScript is needed for the map — the city links below work without it.
Precip NEXRAD · NOAA Temp Wind Clouds Terrain