Air Quality in Castres, France
Drizzle
9.3°C · 93.9% humidity
9.3°
Feels 5.4°
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Castres's air quality — share it
AQI Forecast
Calibrated
32
2am
39
39
48
5am
45
44
42
8am
41
41
40
11am
40
40
39
2pm
59
39
39
5pm
39
39
39
8pm
39
39
32
11pm
32
32
Station readings
17h ago
AQI 39
PM2.5 9.4 µg/m³ · 17h ago
Air Quality Index Trend
38h · 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▲
11.4 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Castres?
Temperature & Precipitation
PM2.5 Trend
38h · 2 stationsPM2.511.4 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
11.4
Median
11.4
Average
11.0
Low
11.8
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -0.6
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: 4.3°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 2026-05-30T03:00 UTC.