Air quality in Snoqualmie
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
136
Unhealthy for Sensitive Groups
PM2.5
49.6 µg/m³
WHO guideline 15
PM10
50.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 AM
💨
PM2.5 49.6 µg/m³
136Unhealthy for Sensitive Groups
2:00 AM
💨
PM2.5 75.7 µg/m³
161Unhealthy
3:00 AM
💨
PM2.5 106.2 µg/m³
177Unhealthy
4:00 AM
💨
PM2.5 135.5 µg/m³
192Unhealthy
5:00 AM
💨
PM2.5 163 µg/m³
213Very Unhealthy
6:00 AM
💨
PM2.5 195.1 µg/m³
245Very Unhealthy
7:00 AM
💨
PM2.5 220.7 µg/m³
271Very Unhealthy
8:00 AM
💨
PM2.5 231.9 µg/m³
282Very Unhealthy
9:00 AM
💨
PM2.5 208.6 µg/m³
259Very Unhealthy
10:00 AM
💨
PM2.5 129 µg/m³
189Unhealthy
11:00 AM
💨
PM2.5 85.7 µg/m³
167Unhealthy
12:00 PM
💨
PM2.5 65 µg/m³
156Unhealthy
Next few days
daily max · US EPA AQI
Sun
💨
Moderate · UV Moderate
64
Mon
💨
Very Unhealthy · UV Moderate
282
Tue
💨
Hazardous · UV Moderate
394
Wed
💨
Unhealthy · UV High
157
Thu
💨
Moderate · UV Moderate
67