Air Quality in Longview, United States

Cloudy
13.2°C · 70.1% humidity
13.2°
Feels 13.2°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
16 11am
16
18
17 2pm
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— 5pm
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Station readings
16
16
18
18

Air Quality Index Trend

48h · 2 stn

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

70.1%
Humidity
15.5 km/h
Wind SSW
1016.6 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
17
4.1 µg/m³
PM10▲
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Longview?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.54.1 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.0
Low
Station readings (4 stations within 25 km)
4.1
Median
3.54
Average
1.77
Low
4.3
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +2.4

What is the 7-day forecast for Longview?

10-20
17.3° 8.2°
1.5 mm
10-21
13.5° 7.2°
0.44 mm
10-22
20.1° 4.1°
0.06 mm
10-23
19.1° 6.4°
10-24
12.1° 6.2°
3.06 mm
10-25
14.3° 4.7°
10-26
11.5° 5.6°
11.56 mm
Both models agree Avg diff: 3.7°C

Where are air quality stations near Longview?

16
30th Ave, Longview, Washington, USA
1.8 km PM2.5: 3.8 µg/m³
18
30th Ave, Longview, Washington, USA
1.8 km PM2.5: 4.3 µg/m³
18
30th Ave, Longview, Washington, USA
1.8 km PM2.5: 4.3 µg/m³
7
Kelso
9.4 km PM2.5: 1.6 µg/m³

What cities are near Longview?

15 Battle Ground 15 Salmon Creek 15 Hazel Dell 12 Five Corners 16 Vancouver 11 Orchards 31 Centralia 29 Bethany 29 Hillsboro 30 Forest Grove
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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 2026-10-20T21:44 UTC.