Air Quality in Castres, France
Drizzle
9.3°C · 93.9% humidity
9.3°
Feels 5.4°
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Castres's air quality — share it
AQI Forecast
Calibrated
41
11pm
41
41
50
2am
54
53
51
5am
50
50
49
8am
49
49
48
11am
48
48
48
2pm
68
48
48
5pm
48
48
48
8pm
48
48
Station readings
14h ago
AQI 39
PM2.5 9.4 µg/m³ · 14h ago
Air Quality Index Trend
46h · 2 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.
93.9%
Humidity
34.7 km/h
Wind E
1008.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
12.0 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Castres?
Temperature & Precipitation
PM2.5 Trend
46h · 2 stationsPM2.512.0 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
12.0
Median
12.0
Average
12.0
Low
12.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -4.7
What is the 7-day forecast for Castres?
05-30
21.1° 9.3°
2.12 mm
05-31
22.3° 15.8°
06-01
28.0° 12.9°
06-02
16.1° 11.0°
12.19 mm
06-03
23.8° 13.6°
0.06 mm
06-04
26.2° 16.0°
0.56 mm
06-05
22.9° 13.0°
0.69 mm
Both models agree
Avg diff: 4.4°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 2026-05-30T00:55 UTC.