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)
19
Good
Cottage Lake, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.36 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.68 μg/m³
0
55
155
255
425
605+
20.25 ppb
0
55
71
86
201
201+
0.13 ppb
0
36
76
186
605
1005+
19.47 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Cottage Lake, Washington
Cottage Lake, Washington
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AQI 24
Good
3.97μg/m³
PM2.5
16.63μg/m³
PM10
26.24ppb
O3
0.21ppb
SO2
19.42ppb
NO2
0.20ppm
CO
AQI 20
Good
2.76μg/m³
PM2.5
14.72μg/m³
PM10
21.89ppb
O3
0.21ppb
SO2
8.23ppb
NO2
0.21ppm
CO
AQI 20
Good
2.84μg/m³
PM2.5
10.73μg/m³
PM10
21.52ppb
O3
0.21ppb
SO2
14.11ppb
NO2
0.21ppm
CO
AQI 25
Good
3.88μg/m³
PM2.5
16.11μg/m³
PM10
26.65ppb
O3
0.21ppb
SO2
17.65ppb
NO2
0.20ppm
CO
AQI 23
Good
3.77μg/m³
PM2.5
16.75μg/m³
PM10
25.06ppb
O3
0.21ppb
SO2
18.80ppb
NO2
0.20ppm
CO
AQI 24
Good
3.93μg/m³
PM2.5
16.59μg/m³
PM10
26.10ppb
O3
0.21ppb
SO2
19.82ppb
NO2
0.20ppm
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 11:00:00 on 2026-04-19.
In the last 24 hours, the best air quality in Cottage Lake, Washington was observed at 12:00:00 on 2026-04-19.
As of now, the AQI in Cottage Lake, Washington is 19, indicating Good conditions.
Cottage Lake, Washington air has the highest levels of O3.
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 2.357 μg/m3.
The PM10 concentration in Cottage Lake, Washington is 10.683 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cottage Lake, Washington is 0.155 ppm.
Currently, Cottage Lake, Washington has a sulfur dioxide (SO2) concentration of 0.125 ppb.
The current ozone (O3) level in Cottage Lake, Washington at the moment is 20.255 ppm.
Nitrogen dioxide (NO2) level in Cottage Lake, Washington at the moment is 19.47 ppb.
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