Air quality in West Lake Sammamish
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
21.6 µg/m³
WHO guideline 15
PM10
22.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
4:00 AM
💨
PM2.5 21.6 µg/m³
71Moderate
5:00 AM
💨
PM2.5 18.7 µg/m³
65Moderate
6:00 AM
💨
PM2.5 15.9 µg/m³
59Moderate
7:00 AM
💨
PM2.5 14.3 µg/m³
56Moderate
8:00 AM
💨
PM2.5 15 µg/m³
57Moderate
9:00 AM
💨
PM2.5 13.7 µg/m³
54Moderate
10:00 AM
💨
PM2.5 14.3 µg/m³
56Moderate
11:00 AM
💨
PM2.5 15.4 µg/m³
58Moderate
12:00 PM
💨
PM2.5 15.2 µg/m³
58Moderate
1:00 PM
💨
PM2.5 14.7 µg/m³
56Moderate
2:00 PM
💨
PM2.5 13.7 µg/m³
54Moderate
3:00 PM
💨
PM2.5 13.5 µg/m³
54Moderate
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV Moderate
84
Sun
💨
Moderate · UV Moderate
95
Mon
💨
Unhealthy for Sensitive Groups · UV Moderate
102
Tue
💨
Moderate · UV Moderate
71
Wed
💨
Moderate · UV High
82