Air quality in Lancaster
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
17.4 µg/m³
WHO guideline 15
PM10
20.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 AM
💨
PM2.5 17.4 µg/m³
62Moderate
2:00 AM
💨
PM2.5 16.4 µg/m³
60Moderate
3:00 AM
💨
PM2.5 15.3 µg/m³
58Moderate
4:00 AM
💨
PM2.5 13.8 µg/m³
55Moderate
5:00 AM
💨
PM2.5 12.2 µg/m³
51Moderate
6:00 AM
💨
PM2.5 10.6 µg/m³
44Good
7:00 AM
💨
PM2.5 9.2 µg/m³
38Good
8:00 AM
💨
PM2.5 8 µg/m³
33Good
9:00 AM
💨
PM2.5 6.9 µg/m³
31Good
10:00 AM
💨
PM2.5 6.1 µg/m³
31Good
11:00 AM
💨
PM2.5 5.8 µg/m³
32Good
12:00 PM
💨
PM2.5 5.7 µg/m³
32Good
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV Low
64
Wed
💨
Good · UV Moderate
44
Thu
💨
Good · UV Moderate
48
Fri
💨
Good · UV Moderate
44