Air Quality in Port Arthur, United States

Windy
30.9°C · 56.2% humidity
30.9°
Feels 35.1°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
34 5pm
54
34
30 8pm
34
34
34 11pm
27
27
27 2am
27
34
34 5am
34
54
34 8am
34
34
27 11am
27
27
25 2pm
25
25
AD 728×90

Air Quality Index Trend

44h · 3 stn

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

56.2%
Humidity
68.2 km/h
Wind SSW
1011.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.2 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Port Arthur?

Temperature & Precipitation

PM2.5 Trend

44h · 3 stations
PM2.57.2 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
7.2
Median
7.2
Average
7.2
Low
7.2
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +0.2

What is the 7-day forecast for Port Arthur?

06-09
31.3° 23.6°
1.13 mm
06-10
33.2° 24.9°
1.13 mm
06-11
27.7° 24.2°
2.31 mm
06-12
33.0° 25.6°
06-13
33.1° 25.3°
0.25 mm
06-14
32.2° 24.0°
0.25 mm
06-15
34.8° 26.5°
9.5 mm
Both models agree Avg diff: 1.7°C

Where are air quality stations near Port Arthur?

72
Port Arthur Memorial School, Beaumont, Texas
5.3 km PM2.5: 22.1 µg/m³
37
Port Arthur Memorial School, Beaumont, Texas
5.3 km PM2.5: 8.9 µg/m³

What cities are near Port Arthur?

30 Groves 30 Nederland 46 Beaumont 41 Orange 29 Sulphur 29 Lake Charles 35 Baytown 2 Galveston 32 La Porte 14 Texas City
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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 2026-06-09T01:01 UTC.