Air quality in Bellevue
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
5.5 µg/m³
WHO guideline 15
PM10
6.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 AM
💨
PM2.5 5.5 µg/m³
31Good
1:00 AM
💨
PM2.5 5.6 µg/m³
32Good
2:00 AM
💨
PM2.5 5.8 µg/m³
31Good
3:00 AM
💨
PM2.5 6.1 µg/m³
29Good
4:00 AM
💨
PM2.5 6.3 µg/m³
27Good
5:00 AM
💨
PM2.5 6.4 µg/m³
27Good
6:00 AM
💨
PM2.5 6.5 µg/m³
27Good
7:00 AM
💨
PM2.5 6.6 µg/m³
28Good
8:00 AM
💨
PM2.5 6.8 µg/m³
28Good
9:00 AM
💨
PM2.5 7.4 µg/m³
38Good
10:00 AM
💨
PM2.5 7.4 µg/m³
47Good
11:00 AM
💨
PM2.5 7.1 µg/m³
48Good
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV Very high
65
Fri
💨
Moderate · UV High
53
Sat
💨
Moderate · UV High
73
Sun
💨
Moderate · UV High
51
Mon
💨
Moderate · UV High
70