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
7.64 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.91 μg/m³
0
55
155
255
425
605+
29.25 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
8.92 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Maple Valley, Washington
Maple Valley, Washington
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AQI 27
Good
5.50μg/m³
PM2.5
21.21μg/m³
PM10
25.68ppb
O3
0.50ppb
SO2
6.25ppb
NO2
0.27ppm
CO
AQI 49
Good
8.88μg/m³
PM2.5
31.60μg/m³
PM10
28.59ppb
O3
0.50ppb
SO2
6.21ppb
NO2
0.27ppm
CO
AQI 27
Good
5.32μg/m³
PM2.5
16.20μg/m³
PM10
20.26ppb
O3
0.50ppb
SO2
8.01ppb
NO2
0.28ppm
CO
AQI 33
Good
6.15μg/m³
PM2.5
21.05μg/m³
PM10
21.53ppb
O3
0.50ppb
SO2
9.38ppb
NO2
0.27ppm
CO
AQI 44
Good
7.98μg/m³
PM2.5
33.66μg/m³
PM10
24.09ppb
O3
0.50ppb
SO2
10.99ppb
NO2
0.27ppm
CO
AQI 33
Good
5.85μg/m³
PM2.5
16.74μg/m³
PM10
19.18ppb
O3
0.50ppb
SO2
8.61ppb
NO2
0.28ppm
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 07:00:00 on 2025-09-09.
In the last 24 hours, the best air quality in Maple Valley, Washington was observed at 10:00:00 on 2025-09-09.
As of now, the AQI in Maple Valley, Washington is 49, 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 9.094 μg/m3.
The PM10 concentration in Maple Valley, Washington is 32.952 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Maple Valley, Washington is 0.273 ppm.
Currently, Maple Valley, Washington has a sulfur dioxide (SO2) concentration of 0.5 ppb.
The current ozone (O3) level in Maple Valley, Washington at the moment is 27.455 ppm.
Nitrogen dioxide (NO2) level in Maple Valley, Washington at the moment is 6.141 ppb.
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