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)
32
Good
Snohomish, Washington
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.66 μg/m³
0
55
155
255
425
605+
35.24 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
9.89 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Snohomish, Washington
Snohomish, Washington
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AQI 33
Good
5.52μg/m³
PM2.5
19.92μg/m³
PM10
30.38ppb
O3
0.23ppb
SO2
4.28ppb
NO2
0.15ppm
CO
AQI 28
Good
3.50μg/m³
PM2.5
11.57μg/m³
PM10
29.94ppb
O3
0.23ppb
SO2
4.62ppb
NO2
0.15ppm
CO
AQI 38
Good
6.71μg/m³
PM2.5
22.08μg/m³
PM10
30.84ppb
O3
0.22ppb
SO2
4.65ppb
NO2
0.15ppm
CO
AQI 30
Good
4.91μg/m³
PM2.5
20.44μg/m³
PM10
31.95ppb
O3
0.19ppb
SO2
10.32ppb
NO2
0.17ppm
CO
AQI 27
Good
4.96μg/m³
PM2.5
21.26μg/m³
PM10
27.80ppb
O3
0.23ppb
SO2
5.51ppb
NO2
0.14ppm
CO
AQI 30
Good
4.76μg/m³
PM2.5
12.00μg/m³
PM10
32.22ppb
O3
0.24ppb
SO2
4.08ppb
NO2
0.14ppm
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 05:00:00 on 2025-06-06.
In the last 24 hours, the best air quality in Snohomish, Washington was observed at 07:00:00 on 2025-06-06.
As of now, the AQI in Snohomish, Washington is 32, indicating Good conditions.
Snohomish, Washington air has the highest levels of O3.
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 3.375 μg/m3.
The PM10 concentration in Snohomish, Washington is 12.659 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Snohomish, Washington is 0.1 ppm.
Currently, Snohomish, Washington has a sulfur dioxide (SO2) concentration of 0.266 ppb.
The current ozone (O3) level in Snohomish, Washington at the moment is 35.24 ppm.
Nitrogen dioxide (NO2) level in Snohomish, Washington at the moment is 9.893 ppb.
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