Air quality in Essex
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
10.6 µg/m³
WHO guideline 15
PM10
10.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 PM
💨
PM2.5 10.6 µg/m³
78Moderate
1:00 PM
💨
PM2.5 11.6 µg/m³
108Unhealthy for Sensitive Groups
2:00 PM
💨
PM2.5 12.1 µg/m³
135Unhealthy for Sensitive Groups
3:00 PM
💨
PM2.5 12.1 µg/m³
149Unhealthy for Sensitive Groups
4:00 PM
💨
PM2.5 11.6 µg/m³
152Unhealthy
5:00 PM
💨
PM2.5 11 µg/m³
149Unhealthy for Sensitive Groups
6:00 PM
💨
PM2.5 11.1 µg/m³
129Unhealthy for Sensitive Groups
7:00 PM
💨
PM2.5 11.7 µg/m³
100Moderate
8:00 PM
💨
PM2.5 12.7 µg/m³
70Moderate
9:00 PM
💨
PM2.5 13.6 µg/m³
54Moderate
10:00 PM
💨
PM2.5 13.7 µg/m³
54Moderate
11:00 PM
💨
PM2.5 13.2 µg/m³
53Moderate
Next few days
daily max · US EPA AQI
Tue
💨
Unhealthy · UV High
152
Wed
💨
Unhealthy · UV High
169
Thu
💨
Unhealthy for Sensitive Groups · UV High
140
Fri
💨
Unhealthy for Sensitive Groups · UV Moderate
101