Stay updated with real-time air quality in Snoqualmie, Washington featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
19
Good
Snoqualmie, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
0.95 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
3.88 μg/m³
0
55
155
255
425
605+
19.53 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
3.50 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Snoqualmie, Washington
Snoqualmie, Washington
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AQI 22
Good
3.70μg/m³
PM2.5
12.13μg/m³
PM10
13.14ppb
O3
0.44ppb
SO2
6.28ppb
NO2
0.23ppm
CO
AQI 16
Good
2.67μg/m³
PM2.5
9.03μg/m³
PM10
15.33ppb
O3
0.44ppb
SO2
6.30ppb
NO2
0.23ppm
CO
AQI 16
Good
2.86μg/m³
PM2.5
10.68μg/m³
PM10
15.77ppb
O3
0.43ppb
SO2
6.94ppb
NO2
0.22ppm
CO
AQI 18
Good
3.49μg/m³
PM2.5
15.32μg/m³
PM10
18.88ppb
O3
0.45ppb
SO2
5.95ppb
NO2
0.22ppm
CO
AQI 16
Good
2.65μg/m³
PM2.5
9.24μg/m³
PM10
15.36ppb
O3
0.45ppb
SO2
6.84ppb
NO2
0.23ppm
CO
AQI 16
Good
1.75μg/m³
PM2.5
6.51μg/m³
PM10
17.35ppb
O3
0.45ppb
SO2
6.06ppb
NO2
0.23ppm
CO
The air quality data for Washington, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Snoqualmie, Washington are available every hour.
Snoqualmie, Washington experienced its worst air quality at 03:00:00, 2026-06-08.
The best air quality in Snoqualmie, Washington was observed at 09:00:00 on 2026-06-08.
The air quality in Snoqualmie, Washington right now is Good, with an AQI of 19.
In Snoqualmie, Washington, O3 is the most frequently found pollutant.
When air quality in Snoqualmie, Washington is compromised, staying indoors and wearing a mask can reduce health risks.
Snoqualmie, Washington currently has a PM2.5 concentration of 0.951 μg/m3.
Snoqualmie, Washington currently has a PM10 concentration of 3.883 μg/m3.
The current carbon monoxide (CO) level in Snoqualmie, Washington is 0.212 ppm.
The current sulfur dioxide (SO2) concentration in Snoqualmie, Washington is 0.431 ppb.
Snoqualmie, Washington currently has an ozone (O3) concentration of 19.531 ppm.
The current level of nitrogen dioxide (NO2) in Snoqualmie, Washington is 3.496 ppb.
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