Air Quality in Port Arthur, United States
Drizzle
35.8°C · 41.0% humidity
35.8°
Feels 39.8°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Port Arthur's air quality — share it
AQI Forecast
24
9am
25
27
26
12pm
25
25
25
3pm
25
25
25
6pm
25
27
27
9pm
34
54
54
12am
54
54
54
3am
54
54
34
6am
25
54
Air Quality Index Trend
37h · 2 stnPort 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.
41.0%
Humidity
57.3 km/h
Wind SSE
1017.1 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.25 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Port Arthur?
Temperature & Precipitation
PM2.5 Trend
37h · 2 stationsPM2.56.25 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
What is the 7-day forecast for Port Arthur?
09-05
35.8° 25.2°
0.25 mm
09-06
37.3° 25.5°
09-07
37.1° 26.0°
0.13 mm
09-08
29.2° 22.9°
3.69 mm
09-09
34.1° 25.6°
0.94 mm
09-10
36.7° 24.6°
0.06 mm
09-11
30.5° 25.2°
15.06 mm
Both models agree
Avg diff: 2.0°C
Where are air quality stations near Port Arthur?
What cities are near Port Arthur?
Get AQI alerts for Port Arthur
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T17:14 UTC.