Air Quality in Sulphur, United States
Rain
32.0°C · 65.7% humidity
32.0°
Feels 38.3°
58
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Sulphur's air quality — share it
AQI Forecast
66
12pm
66
66
58
3pm
54
54
66
6pm
66
66
66
9pm
54
54
54
12am
54
54
54
3am
54
54
54
6am
54
54
54
9am
54
54
Air Quality Index Trend
27h · 2 stnSulphur's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Sulphur is 1.0× the WHO 24-hour guideline of 15 µg/m³.
65.7%
Humidity
8.6 km/h
Wind NW
1007.5 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
15.4 µg/m³
PM10
41.15 µg/m³
050100150200300500
What is the weather forecast for Sulphur?
Temperature & Precipitation
PM2.5 Trend
27h · 2 stationsPM2.515.4 µg/m³
✓ WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX24.9
Extreme
Station readings (1 station within 25 km)
15.4
Median
15.4
Average
15.4
Low
15.4
High
PM2.5 µg/m³ · Model: 13.5 · Bias: -1.9
What is the 7-day forecast for Sulphur?
07-21
32.0° 24.0°
6.5 mm
07-22
31.3° 23.7°
22.13 mm
07-23
35.4° 20.5°
14.44 mm
07-24
28.2° 22.5°
3.56 mm
07-25
35.3° 22.9°
5.0 mm
07-26
35.9° 25.5°
07-27
31.2° 24.9°
0.19 mm
Both models agree
Avg diff: 3.3°C
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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 2026-07-21T20:24 UTC.