Air Quality in Longview, United States
Windy
14.2°C · 52.5% humidity
14.2°
Feels 14.2°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations
Nearby Monitoring Stations
Longview's air quality — share it
AQI Forecast
Calibrated
2
1pm
2
2
12
4pm
9
7
6
7pm
5
4
4
10pm
4
4
3
1am
3
3
3
4am
3
3
3
7am
3
3
3
10am
3
3
Station readings
25h ago
AQI 5
PM2.5 1.2 µg/m³ · 25h ago
Air Quality Index Trend
47h · 5 stnLongview's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
52.5%
Humidity
63.4 km/h
Wind W
1018.6 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
2.78 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Longview?
Temperature & Precipitation
PM2.5 Trend
47h · 5 stationsPM2.52.78 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
Station readings (4 stations within 25 km)
2.78
Median
2.46
Average
1.43
Low
3.6
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +3.0
What is the 7-day forecast for Longview?
06-08
23.5° 5.4°
1.25 mm
06-09
14.2° 7.3°
0.88 mm
06-10
23.9° 11.1°
0.06 mm
06-11
24.6° 7.3°
06-12
29.3° 7.3°
0.13 mm
06-13
34.5° 5.8°
06-14
26.7° 9.7°
0.62 mm
Both models agree
Avg diff: 5.3°C
Where are air quality stations near Longview?
13
30th Ave, Longview, Washington, USA
4
30th Ave, Longview, Washington, USA
5
30th Ave, Longview, Washington, USA
6
Kelso
What cities are near Longview?
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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 2026-06-08T23:01 UTC.