Castres, Occitanie, France Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Castres, Occitanie, France
AQI Trends: Highest and Lowest
Same Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 55 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Aug - 12th Aug 2025
Castres, Occitanie, France
6 AM11th Aug 2025
9 PM
5 AM12th Aug 2025
AQI
AQI
58AQI
53AQI
In the last 24 hours,
Castres's AQI reached its highest point of 58 at 12 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Castres, Occitanie, France
23°C15/31°C
23°C15/33°C
22°C15/28°C
21°C12/31°C
25°C14/35°C
25°C17/34°C
19°C16/27°C
21°C15/29°C
19°C13/27°C
20°C11/29°C
19°C15/26°C
18°C13/26°C
17°C11/24°C
19°C10/27°C
19°C13/25°C
19°C13/27°C
19°C9/27°C
20°C12/28°C
22°C13/30°C
20°C13/28°C
20°C14/28°C
20°C10/29°C
24°C13/35°C
23°C16/32°C
22°C14/33°C
26°C16/38°C
27°C18/39°C
29°C21/40°C
27°C17/39°C
--°C/°C
--°C/°C
31AQI
30AQI
32AQI
30AQI
2025 Days Vs Air Quality
Castres, Occitanie, France
80%
178
19%
43
0.4%
1
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% of 223 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Castres, Occitanie, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
72AQI
87AQI
54AQI
74AQI
49AQI
41AQI
41AQI
40AQI
49AQI
36AQI
25AQI
32AQI
70AQI
91AQI
98AQI
101AQI
90AQI
84AQI
86AQI
54AQI
50AQI
31AQI
48AQI
44AQI
42AQI
30AQI
34AQI
27AQI
29AQI
37AQI
32AQI
55AQI
64AQI
62AQI
70AQI
78AQI
73AQI
58AQI
34AQI
45AQI
29AQI
29AQI
34AQI
42AQI
46AQI
64AQI
54AQI
63AQI
60AQI
43AQI
43AQI
40AQI
41AQI
54AQI
42AQI
42AQI
36AQI
42AQI
48AQI
46AQI
46AQI
42AQI
34AQI
34AQI
34AQI
37AQI
37AQI
35AQI
30AQI
28AQI
33AQI
35AQI
39AQI
57AQI
67AQI
61AQI
29AQI
23AQI
22AQI
25AQI
25AQI
25AQI
28AQI
36AQI
57AQI
58AQI
55AQI
26AQI
22AQI
27AQI
30AQI
20AQI
21AQI
20AQI
24AQI
31AQI
36AQI
38AQI
32AQI
31AQI
32AQI
31AQI
24AQI
33AQI
22AQI
15AQI
18AQI
19AQI
18AQI
15AQI
16AQI
22AQI
19AQI
17AQI
21AQI
25AQI
28AQI
26AQI
20AQI
20AQI
24AQI
28AQI
41AQI
40AQI
23AQI
23AQI
21AQI
23AQI
25AQI
21AQI
20AQI
20AQI
21AQI
24AQI
25AQI
41AQI
34AQI
24AQI
31AQI
29AQI
34AQI
23AQI
26AQI
26AQI
26AQI
23AQI
26AQI
28AQI
26AQI
24AQI
30AQI
44AQI
27AQI
35AQI
26AQI
27AQI
29AQI
28AQI
33AQI
57AQI
62AQI
69AQI
69AQI
71AQI
67AQI
52AQI
34AQI
37AQI
38AQI
45AQI
50AQI
52AQI
52AQI
54AQI
49AQI
54AQI
44AQI
35AQI
30AQI
27AQI
31AQI
41AQI
50AQI
49AQI
45AQI
46AQI
37AQI
27AQI
25AQI
24AQI
25AQI
29AQI
36AQI
29AQI
33AQI
30AQI
37AQI
30AQI
28AQI
32AQI
28AQI
22AQI
18AQI
17AQI
16AQI
21AQI
34AQI
34AQI
24AQI
26AQI
25AQI
22AQI
26AQI
23AQI
26AQI
27AQI
30AQI
27AQI
32AQI
51AQI
58AQI
55AQI
54AQI
50AQI
37AQI
24AQI
27AQI
44AQI
30AQI
36AQI
No. of days
202538AQI
Highest AQI recorded in
January54AQI
Lowest AQI recorded in
April24AQI
202438AQI
Highest AQI recorded in
January61AQI
Lowest AQI recorded in
October28AQI
202333AQI
Highest AQI recorded in
December49AQI
Lowest AQI recorded in
January21AQI
202227AQI
Highest AQI recorded in
March35AQI
Lowest AQI recorded in
December19AQI
202125AQI
Highest AQI recorded in
April32AQI
Lowest AQI recorded in
November18AQI
202024AQI
Highest AQI recorded in
April30AQI
Lowest AQI recorded in
December19AQI
Most & Least Polluted Years Over the Last 6 Years
Castres's annual 2025 AQI (38) shows an average percentage change of 32.8% (worsened AQI) compared to previous years: 2020 (24), 2021 (25), 2022 (27), 2023 (33), 2024 (38).