Air quality in Tustin
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
18.7 µg/m³
WHO guideline 15
PM10
22.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 AM
💨
PM2.5 18.7 µg/m³
65Moderate
1:00 AM
💨
PM2.5 19.8 µg/m³
67Moderate
2:00 AM
💨
PM2.5 22.3 µg/m³
72Moderate
3:00 AM
💨
PM2.5 25.3 µg/m³
79Moderate
4:00 AM
💨
PM2.5 27.6 µg/m³
84Moderate
5:00 AM
💨
PM2.5 29.7 µg/m³
88Moderate
6:00 AM
💨
PM2.5 32.2 µg/m³
93Moderate
7:00 AM
💨
PM2.5 34.7 µg/m³
99Moderate
8:00 AM
💨
PM2.5 37 µg/m³
105Unhealthy for Sensitive Groups
9:00 AM
💨
PM2.5 39.1 µg/m³
110Unhealthy for Sensitive Groups
10:00 AM
💨
PM2.5 41.8 µg/m³
117Unhealthy for Sensitive Groups
11:00 AM
💨
PM2.5 46.7 µg/m³
129Unhealthy for Sensitive Groups
Next few days
daily max · US EPA AQI
Sat
💨
Unhealthy · UV Very high
175
Sun
💨
Unhealthy · UV Very high
154
Mon
💨
Unhealthy for Sensitive Groups · UV Very high
110
Tue
💨
Unhealthy for Sensitive Groups · UV Very high
103
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
138