Stay updated with real-time air quality in Maple Valley, 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)
44
Good
Maple Valley, Washington
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.99 μg/m³
0
55
155
255
425
605+
40.08 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
12.31 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Maple Valley, Washington
Maple Valley, Washington
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AQI 27
Good
4.25μg/m³
PM2.5
15.35μg/m³
PM10
28.76ppb
O3
0.50ppb
SO2
12.04ppb
NO2
0.17ppm
CO
AQI 44
Good
8.45μg/m³
PM2.5
30.95μg/m³
PM10
40.17ppb
O3
0.50ppb
SO2
11.08ppb
NO2
0.17ppm
CO
AQI 33
Good
6.43μg/m³
PM2.5
22.83μg/m³
PM10
28.61ppb
O3
0.50ppb
SO2
12.36ppb
NO2
0.18ppm
CO
AQI 27
Good
5.48μg/m³
PM2.5
18.98μg/m³
PM10
25.64ppb
O3
0.44ppb
SO2
13.91ppb
NO2
0.18ppm
CO
AQI 33
Good
5.96μg/m³
PM2.5
26.19μg/m³
PM10
28.71ppb
O3
0.50ppb
SO2
12.21ppb
NO2
0.18ppm
CO
AQI 33
Good
6.37μg/m³
PM2.5
21.02μg/m³
PM10
24.14ppb
O3
0.42ppb
SO2
13.32ppb
NO2
0.18ppm
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 Maple Valley, Washington is updated every hour for accuracy.
In the past 24 hours, the air quality in Maple Valley, Washington was at its worst at 06:00:00 on 2025-06-06.
In the last 24 hours, the best air quality in Maple Valley, Washington was observed at 09:00:00 on 2025-06-06.
As of now, the AQI in Maple Valley, Washington is 44, indicating Good conditions.
Maple Valley, Washington air has the highest levels of PM2.5.
Poor air quality in Maple Valley, Washington means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Maple Valley, Washington are currently 8.258 μg/m3.
The PM10 concentration in Maple Valley, Washington is 36.99 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Maple Valley, Washington is 0.171 ppm.
Currently, Maple Valley, Washington has a sulfur dioxide (SO2) concentration of 0.395 ppb.
The current ozone (O3) level in Maple Valley, Washington at the moment is 40.077 ppm.
Nitrogen dioxide (NO2) level in Maple Valley, Washington at the moment is 12.313 ppb.
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