Air Quality in Castres, France
Windy
30.9°C · 27.7% humidity
30.9°
Feels 30.9°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Castres's air quality — share it
AQI Forecast
Calibrated
22
3am
22
22
33
6am
30
28
26
9am
25
24
21
12pm
21
21
21
3pm
20
20
20
6pm
20
20
22
9pm
22
22
22
12am
22
22
Station readings
19
21
20
CAMS model
adj -5
27
27
27
27
27
27
27
27
27
25
25
25
25
25
25
25
25
25
27
27
27
27
27
27
Air Quality Index Trend
24h · 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.
27.7%
Humidity
62.0 km/h
Wind WNW
1014.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.9 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Castres?
Temperature & Precipitation
PM2.5 Trend
24h · 1 stationPM2.57.9 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
7.9
Median
7.9
Average
7.9
Low
7.9
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -1.6
What is the 7-day forecast for Castres?
08-03
40.3° 16.3°
0.88 mm
08-04
34.8° 20.6°
08-05
33.5° 18.6°
08-06
32.8° 16.9°
0.19 mm
08-07
41.5° 14.9°
08-08
30.5° 14.1°
08-09
25.5° 16.2°
Both models agree
Avg diff: 5.4°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 2026-08-08T04:47 UTC.