Air Quality in Maple Valley, United States

Cloudy
14.2°C · 72.2% humidity
14.2°
Feels 14.2°
73
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
9 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
21 2pm
21
73
73 5pm
53
38
27 8pm
20
15
10 11pm
7
5
4 2am
3
2
1 5am
1
1
0 8am
0
0
0 11am
0
0
Station readings
8
11
73
CAMS model adj -33
54
54
34
34
34
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

47h · 16 stn

Maple Valley's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Maple Valley is 1.5× the WHO 24-hour guideline of 15 µg/m³.

72.2%
Humidity
24.9 km/h
Wind SW
1017.1 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
73
22.47 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Maple Valley?

Temperature & Precipitation

PM2.5 Trend

47h · 16 stations
PM2.522.47 µg/m³ ×1.5 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (9 stations within 25 km)
22.47
Median
23.51
Average
12.85
Low
51.3
High
PM2.5 µg/m³ · Model: 13.5 · Bias: -9.0

What is the 7-day forecast for Maple Valley?

08-03
32.6° 9.7°
08-04
26.3° 11.0°
08-05
31.4° 11.3°
08-06
24.9° 13.9°
08-07
30.4° 12.9°
08-08
27.1° 8.2°
08-09
26.4° 8.2°
Both models agree Avg diff: 4.6°C

Where are air quality stations near Maple Valley?

76
Issaquah-Lake Sammamish
17.8 km PM2.5: 24.1 µg/m³
75
Auburn-29th Street
18.2 km PM2.5: 23.3 µg/m³
70
Des Moines-S 240th St
19.1 km PM2.5: 21.0 µg/m³
174
Federal Way-S 300th St
20.4 km PM2.5: 100.3 µg/m³
70
Tukwilla Allentown, Washington, USA
21.0 km PM2.5: 21.1 µg/m³
62
SeaTac-Sunset Park
22.1 km PM2.5: 17.4 µg/m³
81
North Bend Way, North Bend, Washington, USA
23.3 km PM2.5: 26.4 µg/m³
69
SE 12th St, Bellevue, Washington, USA
24.4 km PM2.5: 20.7 µg/m³
64
SE 12th St, Bellevue, Washington, USA
24.4 km PM2.5: 18.3 µg/m³
67
SE 12th St, Bellevue, Washington, USA
24.4 km PM2.5: 19.7 µg/m³

What cities are near Maple Valley?

64 Covington 66 East Hill-Meridian 68 Fairwood 62 Kent 75 Issaquah 68 Renton 67 Bryn Mawr-Skyway 64 Tukwila 62 SeaTac 60 Des Moines
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T00:04 UTC.