Air Quality in Castres, France
Drizzle
18.4°C · 92.4% humidity
18.4°
Feels 18.4°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Castres's air quality — share it
AQI Forecast
Calibrated
31
2am
33
33
25
5am
27
29
30
8am
31
31
32
11am
32
30
31
2pm
31
31
31
5pm
31
31
31
8pm
31
31
31
11pm
31
31
Station readings
33
30
CAMS model
adj +6
25
27
27
27
27
27
27
27
27
27
27
25
25
25
25
25
25
25
25
25
25
25
25
25
Air Quality Index Trend
3h · 1 stnCastres's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.
92.4%
Humidity
33.1 km/h
Wind WNW
1016.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Castres?
Temperature & Precipitation
PM2.5 Trend
3h · 1 stationPM2.56.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
6.0
Median
6.0
Average
6.0
Low
6.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +0.2
What is the 7-day forecast for Castres?
07-22
32.5° 18.4°
0.25 mm
07-23
33.9° 19.3°
0.5 mm
07-24
27.6° 16.6°
0.62 mm
07-25
38.9° 11.9°
0.13 mm
07-26
33.7° 16.2°
07-27
31.8° 17.1°
07-28
36.0° 16.3°
Both models agree
Avg diff: 3.0°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 2026-07-22T03:14 UTC.