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
7.5 µg/m³
WHO guideline 15
PM10
7.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 AM
💨
PM2.5 7.5 µg/m³
34Good
10:00 AM
💨
PM2.5 7.4 µg/m³
42Good
11:00 AM
💨
PM2.5 7.6 µg/m³
50Good
12:00 PM
💨
PM2.5 7.9 µg/m³
66Moderate
1:00 PM
💨
PM2.5 8.1 µg/m³
81Moderate
2:00 PM
💨
PM2.5 8 µg/m³
91Moderate
3:00 PM
💨
PM2.5 7.7 µg/m³
91Moderate
4:00 PM
💨
PM2.5 7.4 µg/m³
86Moderate
5:00 PM
💨
PM2.5 7 µg/m³
75Moderate
6:00 PM
💨
PM2.5 6.6 µg/m³
56Moderate
7:00 PM
💨
PM2.5 6.1 µg/m³
45Good
8:00 PM
💨
PM2.5 5.7 µg/m³
39Good
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV High
91
Sat
💨
Moderate · UV High
71