Stay updated with real-time air quality in Cottage Lake, 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)
49
Good
Cottage Lake, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.51 μg/m³
0
55
155
255
425
605+
16.25 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
4.75 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Cottage Lake, Washington
Cottage Lake, Washington
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AQI 22
Good
3.67μg/m³
PM2.5
16.05μg/m³
PM10
19.09ppb
O3
0.45ppb
SO2
4.20ppb
NO2
0.11ppm
CO
AQI 54
Moderate
10.61μg/m³
PM2.5
40.57μg/m³
PM10
16.61ppb
O3
0.42ppb
SO2
4.91ppb
NO2
0.13ppm
CO
AQI 27
Good
5.01μg/m³
PM2.5
21.45μg/m³
PM10
14.62ppb
O3
0.43ppb
SO2
4.50ppb
NO2
0.13ppm
CO
AQI 22
Good
3.62μg/m³
PM2.5
18.07μg/m³
PM10
18.36ppb
O3
0.46ppb
SO2
4.27ppb
NO2
0.11ppm
CO
AQI 17
Good
3.50μg/m³
PM2.5
16.03μg/m³
PM10
18.50ppb
O3
0.43ppb
SO2
4.09ppb
NO2
0.12ppm
CO
AQI 22
Good
3.63μg/m³
PM2.5
15.98μg/m³
PM10
19.09ppb
O3
0.45ppb
SO2
4.18ppb
NO2
0.12ppm
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 Cottage Lake, Washington is updated every hour for accuracy.
In the past 24 hours, the air quality in Cottage Lake, Washington was at its worst at 09:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in Cottage Lake, Washington was observed at 08:00:00 on 2026-09-07.
As of now, the AQI in Cottage Lake, Washington is 49, indicating Good conditions.
Cottage Lake, Washington air has the highest levels of PM2.5.
Poor air quality in Cottage Lake, Washington means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Cottage Lake, Washington are currently 9.173 μg/m3.
The PM10 concentration in Cottage Lake, Washington is 22.511 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cottage Lake, Washington is 0.124 ppm.
Currently, Cottage Lake, Washington has a sulfur dioxide (SO2) concentration of 0.428 ppb.
The current ozone (O3) level in Cottage Lake, Washington at the moment is 16.25 ppm.
Nitrogen dioxide (NO2) level in Cottage Lake, Washington at the moment is 4.754 ppb.
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