Stay updated with real-time air quality in Snohomish, 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)
75
Moderate
Snohomish, Washington
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
21.99 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
77.44 μg/m³
0
55
155
255
425
605+
29.57 ppb
0
55
71
86
201
201+
0.93 ppb
0
36
76
186
605
1005+
7.82 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Snohomish, Washington
Snohomish, Washington
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AQI 62
Moderate
15.06μg/m³
PM2.5
67.67μg/m³
PM10
16.44ppb
O3
0.66ppb
SO2
8.58ppb
NO2
0.26ppm
CO
AQI 52
Moderate
10.04μg/m³
PM2.5
27.47μg/m³
PM10
12.76ppb
O3
0.69ppb
SO2
10.97ppb
NO2
0.26ppm
CO
AQI 52
Moderate
10.33μg/m³
PM2.5
30.10μg/m³
PM10
13.00ppb
O3
0.69ppb
SO2
11.68ppb
NO2
0.26ppm
CO
AQI 54
Moderate
10.90μg/m³
PM2.5
35.89μg/m³
PM10
13.30ppb
O3
0.69ppb
SO2
12.61ppb
NO2
0.26ppm
CO
AQI 54
Moderate
11.00μg/m³
PM2.5
40.57μg/m³
PM10
12.31ppb
O3
0.68ppb
SO2
9.91ppb
NO2
0.26ppm
CO
AQI 62
Moderate
14.73μg/m³
PM2.5
66.58μg/m³
PM10
16.02ppb
O3
0.66ppb
SO2
7.50ppb
NO2
0.26ppm
CO
Air quality and pollutant data for Washington, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Snohomish, Washington is updated every hour for accuracy.
In the past 24 hours, the air quality in Snohomish, Washington was at its worst at 09:00:00 on 2025-09-05.
In the last 24 hours, the best air quality in Snohomish, Washington was observed at 11:00:00 on 2025-09-04.
As of now, the AQI in Snohomish, Washington is 75, indicating Moderate conditions.
Snohomish, Washington air has the highest levels of PM2.5.
Poor air quality in Snohomish, Washington means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Snohomish, Washington are currently 21.986 μg/m3.
The PM10 concentration in Snohomish, Washington is 77.445 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Snohomish, Washington is 0.256 ppm.
Currently, Snohomish, Washington has a sulfur dioxide (SO2) concentration of 0.934 ppb.
The current ozone (O3) level in Snohomish, Washington at the moment is 29.575 ppm.
Nitrogen dioxide (NO2) level in Snohomish, Washington at the moment is 7.819 ppb.
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