Air quality in Montebello
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
25.6 µg/m³
WHO guideline 15
PM10
29.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 AM
💨
PM2.5 25.6 µg/m³
79Moderate
10:00 AM
💨
PM2.5 24.2 µg/m³
76Moderate
11:00 AM
💨
PM2.5 23.4 µg/m³
75Moderate
12:00 PM
💨
PM2.5 22.9 µg/m³
74Moderate
1:00 PM
💨
PM2.5 22.6 µg/m³
73Moderate
2:00 PM
💨
PM2.5 23.3 µg/m³
90Moderate
3:00 PM
💨
PM2.5 24.2 µg/m³
104Unhealthy for Sensitive Groups
4:00 PM
💨
PM2.5 24.7 µg/m³
117Unhealthy for Sensitive Groups
5:00 PM
💨
PM2.5 25 µg/m³
115Unhealthy for Sensitive Groups
6:00 PM
💨
PM2.5 25 µg/m³
96Moderate
7:00 PM
💨
PM2.5 24.9 µg/m³
78Moderate
8:00 PM
💨
PM2.5 24.5 µg/m³
77Moderate
Next few days
daily max · US EPA AQI
Sat
💨
Unhealthy for Sensitive Groups · UV Very high
117
Sun
💨
Unhealthy for Sensitive Groups · UV Very high
147
Mon
💨
Unhealthy for Sensitive Groups · UV Very high
108
Tue
💨
Moderate · UV Very high
90
Wed
💨
Moderate · UV Very high
68