Air quality in Rosemead
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
30.5 µg/m³
WHO guideline 15
PM10
34.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 AM
💨
PM2.5 30.5 µg/m³
90Moderate
4:00 AM
💨
PM2.5 31.7 µg/m³
92Moderate
5:00 AM
💨
PM2.5 33.4 µg/m³
96Moderate
6:00 AM
💨
PM2.5 35 µg/m³
99Moderate
7:00 AM
💨
PM2.5 35.9 µg/m³
102Unhealthy for Sensitive Groups
8:00 AM
💨
PM2.5 34.8 µg/m³
99Moderate
9:00 AM
💨
PM2.5 28.1 µg/m³
85Moderate
10:00 AM
💨
PM2.5 25.6 µg/m³
79Moderate
11:00 AM
💨
PM2.5 23.5 µg/m³
75Moderate
12:00 PM
💨
PM2.5 22.1 µg/m³
78Moderate
1:00 PM
💨
PM2.5 22.4 µg/m³
99Moderate
2:00 PM
💨
PM2.5 23.4 µg/m³
117Unhealthy for Sensitive Groups
Next few days
daily max · US EPA AQI
Mon
💨
Unhealthy for Sensitive Groups · UV Very high
131
Tue
💨
Unhealthy for Sensitive Groups · UV Very high
104
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
131
Thu
💨
Unhealthy for Sensitive Groups · UV Very high
149
Fri
💨
Moderate · UV Very high
84