Air Quality in Mountlake Terrace, United States

Partly Cloudy
20.7°C · 55.4% humidity
20.7°
Feels 20.7°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
17 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
24 7am
34
37
21 10am
2
3
4 1pm
0
0
0 4pm
0
0
0 7pm
6
6
6 10pm
6
6
6 1am
6
6
26 4am
26
38
Station readings
24
34
37
20
CAMS model adj -28
54
54
54
54
34
34
34
27
27
27
27
25
27
34
34
34
34
34
34
34
34
54
54
66
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.

55.4%
Humidity
35.8 km/h
Wind NNW
1019.1 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
21
5.01 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

48h · 12 stations
PM2.55.01 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
AD 300×250
5.01
Median
5.21
Average
0.1
Low
12.6
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +5.8
09-05
24.3° 9.4°
09-06
23.1° 11.7°
09-07
20.6° 10.4°
1.13 mm
09-08
26.7° 10.1°
0.75 mm
09-09
26.5° 12.3°
0.19 mm
09-10
27.3° 11.6°
09-11
23.4° 8.8°
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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 2026-09-05T17:21 UTC.