Air quality in Rowland 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.
US AQI · EPA
128
Unhealthy for Sensitive Groups
PM2.5
46.3 µg/m³
WHO guideline 15
PM10
51.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 AM
💨
PM2.5 46.3 µg/m³
128Unhealthy for Sensitive Groups
2:00 AM
💨
PM2.5 45.3 µg/m³
125Unhealthy for Sensitive Groups
3:00 AM
💨
PM2.5 44.8 µg/m³
124Unhealthy for Sensitive Groups
4:00 AM
💨
PM2.5 44.5 µg/m³
123Unhealthy for Sensitive Groups
5:00 AM
💨
PM2.5 44.2 µg/m³
122Unhealthy for Sensitive Groups
6:00 AM
💨
PM2.5 43.9 µg/m³
122Unhealthy for Sensitive Groups
7:00 AM
💨
PM2.5 44 µg/m³
122Unhealthy for Sensitive Groups
8:00 AM
💨
PM2.5 42.1 µg/m³
117Unhealthy for Sensitive Groups
9:00 AM
💨
PM2.5 38.6 µg/m³
109Unhealthy for Sensitive Groups
10:00 AM
💨
PM2.5 35.3 µg/m³
100Moderate
11:00 AM
💨
PM2.5 34.2 µg/m³
97Moderate
12:00 PM
💨
PM2.5 34.8 µg/m³
99Moderate
Next few days
daily max · US EPA AQI
Sat
💨
Unhealthy · UV Very high
188
Sun
💨
Unhealthy for Sensitive Groups · UV Very high
149
Mon
💨
Unhealthy for Sensitive Groups · UV Very high
117
Tue
💨
Unhealthy for Sensitive Groups · UV Very high
120
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
138