Air quality in Chelan
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.
US AQI · EPA
245
Very Unhealthy
PM2.5
194.6 µg/m³
WHO guideline 15
PM10
198.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
7:00 AM
💨
PM2.5 194.6 µg/m³
245Very Unhealthy
8:00 AM
💨
PM2.5 168.1 µg/m³
218Very Unhealthy
9:00 AM
💨
PM2.5 50.6 µg/m³
138Unhealthy for Sensitive Groups
10:00 AM
💨
PM2.5 34.7 µg/m³
99Moderate
11:00 AM
💨
PM2.5 30.2 µg/m³
89Moderate
12:00 PM
💨
PM2.5 30.4 µg/m³
89Moderate
1:00 PM
💨
PM2.5 35.4 µg/m³
100Moderate
2:00 PM
💨
PM2.5 53.1 µg/m³
144Unhealthy for Sensitive Groups
3:00 PM
💨
PM2.5 89.4 µg/m³
169Unhealthy
4:00 PM
💨
PM2.5 137.8 µg/m³
193Unhealthy
5:00 PM
💨
PM2.5 181.1 µg/m³
231Very Unhealthy
6:00 PM
💨
PM2.5 188.6 µg/m³
239Very Unhealthy
Next few days
daily max · US EPA AQI
Sat
💨
Very Unhealthy · UV Low
268
Sun
💨
Very Unhealthy · UV Low
296
Mon
💨
Hazardous · UV Moderate
343
Tue
💨
Hazardous · UV Low
450
Wed
💨
Very Unhealthy · UV Moderate
207