Air Quality in Mountlake Terrace, United States

Windy
22.3°C · 41.6% humidity
22.3°
Feels 22.3°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
15 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
54 11am
55
54
54 2pm
52
52
52 5pm
32
32
32 8pm
52
52
52 11pm
52
52
52 2am
32
32
25 5am
52
52
52 8am
52
52
Station readings
54
55
54
43
CAMS model adj -2
54
54
54
54
54
54
54
34
34
34
54
54
54
54
54
54
34
34
27
54
54
54
54
54
AD 728×90

Air Quality Index Trend

48h · 12 stn

Mountlake Terrace's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

41.6%
Humidity
64.0 km/h
Wind NNW
1013.0 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
54
13.37 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

48h · 12 stations
PM2.513.37 µg/m³ ✓ WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
13.37
Median
11.23
Average
6.55
Low
18.3
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +3.0
07-21
28.8° 10.2°
07-22
25.0° 11.1°
07-23
29.5° 12.6°
07-24
28.5° 10.8°
07-25
25.4° 10.5°
07-26
29.5° 9.2°
07-27
26.4° 11.9°
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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 2026-07-21T21:08 UTC.