Air quality in Mountlake Terrace
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
31.8 µg/m³
WHO guideline 15
PM10
32.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 AM
💨
PM2.5 31.8 µg/m³
92Moderate
4:00 AM
💨
PM2.5 30.9 µg/m³
91Moderate
5:00 AM
💨
PM2.5 30.4 µg/m³
89Moderate
6:00 AM
💨
PM2.5 30.6 µg/m³
90Moderate
7:00 AM
💨
PM2.5 31.2 µg/m³
91Moderate
8:00 AM
💨
PM2.5 32.8 µg/m³
95Moderate
9:00 AM
💨
PM2.5 33.3 µg/m³
96Moderate
10:00 AM
💨
PM2.5 34.9 µg/m³
99Moderate
11:00 AM
💨
PM2.5 37 µg/m³
105Unhealthy for Sensitive Groups
12:00 PM
💨
PM2.5 40.2 µg/m³
113Unhealthy for Sensitive Groups
1:00 PM
💨
PM2.5 43.3 µg/m³
120Unhealthy for Sensitive Groups
2:00 PM
💨
PM2.5 45.2 µg/m³
125Unhealthy for Sensitive Groups
Next few days
daily max · US EPA AQI
Fri
💨
Unhealthy for Sensitive Groups · UV Moderate
125
Sat
💨
Moderate · UV Moderate
100
Sun
💨
Moderate · UV Moderate
96
Mon
💨
Moderate · UV Moderate
66
Tue
💨
No data · UV High
—