Air Quality in Maple Valley, United States

Clear
25.5°C · 26.9% humidity
25.5°
Feels 25.5°
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
44 11am
44
44
50 2pm
34
37
39 5pm
40
41
42 8pm
43
43
43 11pm
44
44
37 2am
37
44
44 5am
64
64
64 8am
64
64
Station readings
44
54
59
61
45
CAMS model adj +10
34
34
34
54
34
34
34
34
34
34
34
34
34
34
34
27
27
34
34
54
54
54
54
54
AD 728×90

Air Quality Index Trend

48h · 1 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.

26.9%
Humidity
25.4 km/h
Wind WNW
1012.2 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
50
12.03 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Maple Valley?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.512.03 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (9 stations within 25 km)
12.03
Median
11.93
Average
8.6
Low
16.9
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +4.3

What is the 7-day forecast for Maple Valley?

07-21
31.2° 10.3°
07-22
25.5° 9.7°
07-23
32.6° 13.8°
07-24
31.4° 11.7°
07-25
24.5° 11.9°
07-26
32.0° 9.3°
07-27
28.3° 11.8°
Both models agree Avg diff: 3.8°C

Where are air quality stations near Maple Valley?

62
Auburn
17.5 km PM2.5: 17.2 µg/m³
49
Issaquah-Lake Sammamish
17.8 km PM2.5: 11.8 µg/m³
51
Auburn-29th Street
18.2 km PM2.5: 12.2 µg/m³
38
Des Moines-S 240th St
19.1 km PM2.5: 9.0 µg/m³
38
Federal Way-S 300th St
20.4 km PM2.5: 9.1 µg/m³
87
Tukwilla Allentown, Washington, USA
21.0 km PM2.5: 29.2 µg/m³
93
Tukwilla Allentown, Washington, USA
21.0 km PM2.5: 32.1 µg/m³
80
Tukwilla Allentown, Washington, USA
21.0 km PM2.5: 25.9 µg/m³
37
SeaTac-Sunset Park
22.1 km PM2.5: 8.8 µg/m³
51
North Bend Way, North Bend, Washington, USA
23.3 km PM2.5: 12.1 µg/m³

What cities are near Maple Valley?

50 Covington 50 East Hill-Meridian 51 Fairwood 46 Kent 48 Issaquah 52 Renton 52 Bryn Mawr-Skyway 52 Tukwila 49 SeaTac 41 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 2026-07-21T21:52 UTC.