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)
20
Good
Snoqualmie, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
0.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
2.56 μg/m³
0
55
155
255
425
605+
22.48 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
6.85 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Snoqualmie, Washington
Snoqualmie, Washington
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AQI 38
Good
7.26μg/m³
PM2.5
29.67μg/m³
PM10
13.22ppb
O3
0.24ppb
SO2
7.69ppb
NO2
0.19ppm
CO
AQI 33
Good
6.01μg/m³
PM2.5
27.16μg/m³
PM10
13.88ppb
O3
0.24ppb
SO2
6.53ppb
NO2
0.19ppm
CO
AQI 27
Good
5.45μg/m³
PM2.5
20.21μg/m³
PM10
12.70ppb
O3
0.20ppb
SO2
6.76ppb
NO2
0.19ppm
CO
AQI 27
Good
5.36μg/m³
PM2.5
19.97μg/m³
PM10
20.91ppb
O3
0.24ppb
SO2
8.15ppb
NO2
0.19ppm
CO
AQI 44
Good
7.51μg/m³
PM2.5
30.52μg/m³
PM10
13.02ppb
O3
0.23ppb
SO2
7.71ppb
NO2
0.20ppm
CO
AQI 38
Good
7.02μg/m³
PM2.5
29.37μg/m³
PM10
13.52ppb
O3
0.24ppb
SO2
7.66ppb
NO2
0.19ppm
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 11:00:00, 2025-10-24.
The best air quality in Snoqualmie, Washington was observed at 08:00:00 on 2025-10-23.
The air quality in Snoqualmie, Washington right now is Good, with an AQI of 44.
In Snoqualmie, Washington, PM2.5 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 7.848 μg/m3.
Snoqualmie, Washington currently has a PM10 concentration of 34.412 μg/m3.
The current carbon monoxide (CO) level in Snoqualmie, Washington is 0.186 ppm.
The current sulfur dioxide (SO2) concentration in Snoqualmie, Washington is 0.201 ppb.
Snoqualmie, Washington currently has an ozone (O3) concentration of 16.213 ppm.
The current level of nitrogen dioxide (NO2) in Snoqualmie, Washington is 9.082 ppb.
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