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West Lake Sammamish, WA Air Quality

← West Lake Sammamish

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.

US AQI · EPA
72
Moderate
PM2.5
22.1 µg/m³
WHO guideline 15
PM10
23.8 µg/m³
WHO guideline 45
NO₂ · O₃
22 · 69
µg/m³

Hour by hour (12h)

US EPA AQI
10:00 PM 💨 PM2.5 22.1 µg/m³
72Moderate
11:00 PM 💨 PM2.5 29.9 µg/m³
88Moderate
12:00 AM 💨 PM2.5 39.6 µg/m³
111Unhealthy for Sensitive Groups
1:00 AM 💨 PM2.5 45.2 µg/m³
125Unhealthy for Sensitive Groups
2:00 AM 💨 PM2.5 47 µg/m³
129Unhealthy for Sensitive Groups
3:00 AM 💨 PM2.5 47.3 µg/m³
130Unhealthy for Sensitive Groups
4:00 AM 💨 PM2.5 47.1 µg/m³
130Unhealthy for Sensitive Groups
5:00 AM 💨 PM2.5 47.1 µg/m³
130Unhealthy for Sensitive Groups
6:00 AM 💨 PM2.5 47.4 µg/m³
130Unhealthy for Sensitive Groups
7:00 AM 💨 PM2.5 47.6 µg/m³
131Unhealthy for Sensitive Groups
8:00 AM 💨 PM2.5 48.1 µg/m³
132Unhealthy for Sensitive Groups
9:00 AM 💨 PM2.5 44 µg/m³
122Unhealthy for Sensitive Groups

Next few days

daily max · US EPA AQI
Fri 💨 Unhealthy for Sensitive Groups · UV Moderate
107
Sat 💨 Unhealthy for Sensitive Groups · UV Moderate
132
Sun 💨 Unhealthy · UV Moderate
152
Mon 💨 Unhealthy · UV Moderate
153
Tue 💨 Moderate · UV Moderate
76
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Updated: 10:24 PM