Air quality in Klamath Falls
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
63.8 µg/m³
WHO guideline 15
PM10
66.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
7:00 PM
💨
PM2.5 63.8 µg/m³
155Unhealthy
8:00 PM
💨
PM2.5 44.9 µg/m³
124Unhealthy for Sensitive Groups
9:00 PM
💨
PM2.5 27.9 µg/m³
84Moderate
10:00 PM
💨
PM2.5 38.1 µg/m³
107Unhealthy for Sensitive Groups
11:00 PM
💨
PM2.5 92.9 µg/m³
170Unhealthy
12:00 AM
💨
PM2.5 152.3 µg/m³
203Very Unhealthy
1:00 AM
💨
PM2.5 217.9 µg/m³
268Very Unhealthy
2:00 AM
💨
PM2.5 275.7 µg/m³
321Hazardous
3:00 AM
💨
PM2.5 320.4 µg/m³
357Hazardous
4:00 AM
💨
PM2.5 354.8 µg/m³
384Hazardous
5:00 AM
💨
PM2.5 363.2 µg/m³
391Hazardous
6:00 AM
💨
PM2.5 366 µg/m³
393Hazardous
Next few days
daily max · US EPA AQI
Thu
💨
Hazardous · UV Very high
444
Fri
💨
Hazardous · UV Very high
406
Sat
💨
Hazardous · UV Very high
399
Sun
💨
Hazardous · UV Very high
378
Mon
💨
Hazardous · UV High
420