Air Quality in Longview, United States

Clear
16.5°C · 50.0% humidity
16.5°
Feels 16.5°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
13 7pm
12
12
10 10pm
7
7
7 1am
7
7
19 4am
32
32
32 7am
57
57
57 10am
57
57
32 1pm
32
32
19 4pm
7
7
Station readings
13
12
12
10
CAMS model adj -18
25
25
25
25
25
25
25
25
25
37
50
50
50
75
75
75
75
75
50
50
50
37
25
25
AD 728×90

PM2.5 Trend (24h)

23h · 3 stations
50.0%
Humidity
24.4 km/h
Wind NW
1013.6 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Longview?

Temperature & Precipitation

PM2.52.75 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (1 station within 25 km)
2.75
Median
2.75
Average
2.75
Low
2.75
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +3.2

What is the 7-day forecast for Longview?

04-09
14.1° 2.0°
04-10
16.5° 2.3°
04-11
8.5° 2.2°
1.25 mm
04-12
5.7° 4.0°
4.81 mm
04-13
9.0° 2.9°
0.75 mm
04-14
11.3° 2.8°
0.44 mm
04-15
12.0° 1.0°
0.06 mm
Both models agree Avg diff: 2.6°C

Where are air quality stations near Longview?

13
30th Ave, Longview, Washington, USA
1.8 km
10
Kelso
9.4 km PM2.5: 2.5 µg/m³

What cities are near Longview?

16 Battle Ground 15 Salmon Creek 14 Hazel Dell 14 Five Corners 14 Vancouver 14 Orchards 12 Centralia 13 Bethany 15 Hillsboro 20 Forest Grove

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:10 UTC.