Air quality in Yorktown
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
7 µg/m³
WHO guideline 15
PM10
7.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 AM
💨
PM2.5 7 µg/m³
33Good
11:00 AM
💨
PM2.5 6.3 µg/m³
38Good
12:00 PM
💨
PM2.5 7.1 µg/m³
45Good
1:00 PM
💨
PM2.5 7.8 µg/m³
56Moderate
2:00 PM
💨
PM2.5 8.8 µg/m³
76Moderate
3:00 PM
💨
PM2.5 9.5 µg/m³
88Moderate
4:00 PM
💨
PM2.5 9.8 µg/m³
91Moderate
5:00 PM
💨
PM2.5 9.8 µg/m³
88Moderate
6:00 PM
💨
PM2.5 9.5 µg/m³
71Moderate
7:00 PM
💨
PM2.5 8.4 µg/m³
49Good
8:00 PM
💨
PM2.5 7 µg/m³
43Good
9:00 PM
💨
PM2.5 6.2 µg/m³
39Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV High
91