What is the air quality in Longview today?

The current Air Quality Index (AQI) in Longview is 16 (Good). PM2.5 concentration is 3.8 µg/m³.

What is the temperature in Longview right now?

The current temperature in Longview is 18.5°C (feels like 18.5°C). Humidity is 43.6% and wind speed is 22.0 km/h.

Is it safe to go outside in Longview?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 2.9 (Moderate).

Air Quality in Longview, United States

Clear

18.5°C · 43.6% humidity

18.5°

Feels 18.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

2 8am

16 11am

7 2pm

4 5pm

3 8pm

3 11pm

3 2am

3 5am

Station readings 20h ago

AQI 5

PM2.5 1.2 µg/m³ · 20h ago

CAMS model adj -22

Air Quality Index Trend

47h · 5 stn

View full history →

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.

43.6%

Humidity

22.0 km/h

Wind WSW

1015.4 hPa

Pressure

2.9

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.8 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Longview?

Temperature & Precipitation

PM2.5 Trend

47h · 5 stations

PM2.53.8 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX2.9

Moderate

Station readings (3 stations within 25 km)

3.8

Median

3.03

Average

1.4

Low

4.3

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +2.0

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?

30th Ave, Longview, Washington, USA

1.8 km PM2.5: 2.6 µg/m³

30th Ave, Longview, Washington, USA

1.8 km PM2.5: 1.4 µg/m³

30th Ave, Longview, Washington, USA

1.8 km PM2.5: 4.1 µg/m³

Kelso

9.4 km PM2.5: 1.6 µg/m³

What cities are near Longview?

11 Battle Ground 15 Salmon Creek 14 Hazel Dell 16 Five Corners 12 Vancouver 18 Orchards 10 Centralia 12 Bethany 24 Hillsboro 24 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 2026-06-08T18:09 UTC.