Caen, Normandie, France Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Caen, Normandie, France
AQI Trends: Highest and Lowest
Same Day Analysis (24th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 29 of Good air quality, showing improvement over 2024 on the same day.
Day & Night AQI Trend: 23rd Sep - 24th Sep 2026
Caen, Normandie, France
7 AM23rd Sep 2026
8 PM
6 AM24th Sep 2026
46AQI
23AQI
26AQI
18AQI
In the last 24 hours,
Caen's AQI reached its highest point of 46 at 12 PM during the Day, while the lowest point, 18, was recorded at 6 AM during the Night between 23rd Sep and 24th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Caen, Normandie, France
20°C15/25°C
19°C16/24°C
18°C14/23°C
18°C15/24°C
19°C14/23°C
18°C15/22°C
16°C12/21°C
19°C13/24°C
21°C16/26°C
20°C17/24°C
17°C13/20°C
20°C13/28°C
21°C17/25°C
16°C14/19°C
15°C13/18°C
15°C9/21°C
17°C14/22°C
17°C12/23°C
18°C14/25°C
19°C16/24°C
19°C15/24°C
16°C12/19°C
15°C11/19°C
16°C12/21°C
17°C11/22°C
17°C15/20°C
16°C12/21°C
17°C12/22°C
17°C14/24°C
18°C15/24°C
30AQI
24AQI
27AQI
24AQI
2026 Days Vs Air Quality
Caen, Normandie, France
95%
252
5%
12
Total number of days with different AQI categories in last 267 days in 2026 (98 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 267 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Caen, Normandie, France
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
40AQI (US)
22AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
34AQI (US)
34AQI (US)
23AQI (US)
18AQI (US)
21AQI (US)
39AQI (US)
11AQI (US)
18AQI (US)
30AQI (US)
27AQI (US)
20AQI (US)
33AQI (US)
49AQI (US)
39AQI (US)
21AQI (US)
14AQI (US)
28AQI (US)
48AQI (US)
39AQI (US)
40AQI (US)
34AQI (US)
17AQI (US)
24AQI (US)
36AQI (US)
22AQI (US)
19AQI (US)
26AQI (US)
44AQI (US)
44AQI (US)
40AQI (US)
36AQI (US)
18AQI (US)
24AQI (US)
34AQI (US)
32AQI (US)
16AQI (US)
20AQI (US)
18AQI (US)
22AQI (US)
27AQI (US)
21AQI (US)
33AQI (US)
28AQI (US)
14AQI (US)
20AQI (US)
29AQI (US)
13AQI (US)
16AQI (US)
29AQI (US)
28AQI (US)
32AQI (US)
48AQI (US)
22AQI (US)
25AQI (US)
20AQI (US)
31AQI (US)
52AQI (US)
57AQI (US)
52AQI (US)
72AQI (US)
78AQI (US)
95AQI (US)
48AQI (US)
32AQI (US)
22AQI (US)
23AQI (US)
16AQI (US)
15AQI (US)
16AQI (US)
20AQI (US)
20AQI (US)
25AQI (US)
47AQI (US)
99AQI (US)
85AQI (US)
80AQI (US)
84AQI (US)
68AQI (US)
26AQI (US)
14AQI (US)
14AQI (US)
18AQI (US)
15AQI (US)
21AQI (US)
40AQI (US)
20AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
26AQI (US)
22AQI (US)
22AQI (US)
23AQI (US)
39AQI (US)
27AQI (US)
24AQI (US)
20AQI (US)
16AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
26AQI (US)
26AQI (US)
22AQI (US)
18AQI (US)
20AQI (US)
23AQI (US)
20AQI (US)
37AQI (US)
28AQI (US)
25AQI (US)
23AQI (US)
17AQI (US)
22AQI (US)
29AQI (US)
29AQI (US)
28AQI (US)
34AQI (US)
21AQI (US)
16AQI (US)
24AQI (US)
42AQI (US)
13AQI (US)
14AQI (US)
21AQI (US)
13AQI (US)
18AQI (US)
36AQI (US)
36AQI (US)
34AQI (US)
34AQI (US)
33AQI (US)
38AQI (US)
30AQI (US)
41AQI (US)
62AQI (US)
40AQI (US)
34AQI (US)
32AQI (US)
24AQI (US)
41AQI (US)
32AQI (US)
26AQI (US)
23AQI (US)
22AQI (US)
10AQI (US)
16AQI (US)
18AQI (US)
20AQI (US)
15AQI (US)
12AQI (US)
20AQI (US)
17AQI (US)
18AQI (US)
22AQI (US)
9AQI (US)
14AQI (US)
18AQI (US)
14AQI (US)
12AQI (US)
24AQI (US)
29AQI (US)
17AQI (US)
17AQI (US)
23AQI (US)
28AQI (US)
35AQI (US)
38AQI (US)
33AQI (US)
22AQI (US)
20AQI (US)
12AQI (US)
14AQI (US)
17AQI (US)
19AQI (US)
20AQI (US)
14AQI (US)
14AQI (US)
17AQI (US)
16AQI (US)
18AQI (US)
24AQI (US)
30AQI (US)
33AQI (US)
30AQI (US)
30AQI (US)
30AQI (US)
33AQI (US)
34AQI (US)
44AQI (US)
49AQI (US)
35AQI (US)
39AQI (US)
32AQI (US)
30AQI (US)
34AQI (US)
33AQI (US)
31AQI (US)
30AQI (US)
36AQI (US)
38AQI (US)
37AQI (US)
32AQI (US)
27AQI (US)
25AQI (US)
28AQI (US)
33AQI (US)
37AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
30AQI (US)
32AQI (US)
30AQI (US)
33AQI (US)
28AQI (US)
35AQI (US)
38AQI (US)
40AQI (US)
30AQI (US)
24AQI (US)
21AQI (US)
26AQI (US)
25AQI (US)
22AQI (US)
25AQI (US)
34AQI (US)
27AQI (US)
36AQI (US)
33AQI (US)
26AQI (US)
24AQI (US)
20AQI (US)
26AQI (US)
26AQI (US)
34AQI (US)
22AQI (US)
21AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
29AQI (US)
26AQI (US)
30AQI (US)
26AQI (US)
22AQI (US)
27AQI (US)
31AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
31AQI (US)
22AQI (US)
27AQI (US)
28AQI (US)
28AQI (US)
29AQI (US)
28AQI (US)
27AQI (US)
42AQI (US)
24AQI (US)
30AQI (US)
20AQI (US)
29AQI (US)
29AQI (US)
26AQI (US)
No. of days
202629AQI (US)
Highest AQI (US) recorded in
March42AQI (US)
Lowest AQI (US) recorded in
June20AQI (US)
202538AQI (US)
Highest AQI (US) recorded in
February53AQI (US)
Lowest AQI (US) recorded in
July24AQI (US)
202431AQI (US)
Highest AQI (US) recorded in
November40AQI (US)
Lowest AQI (US) recorded in
July25AQI (US)
202332AQI (US)
Highest AQI (US) recorded in
February41AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202228AQI (US)
Highest AQI (US) recorded in
March39AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202127AQI (US)
Highest AQI (US) recorded in
April35AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202026AQI (US)
Highest AQI (US) recorded in
April37AQI (US)
Lowest AQI (US) recorded in
December21AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Caen's annual 2026 AQI (US) (29) shows an average percentage change of -2.8% (improved AQI (US)) compared to previous years: 2020 (26), 2021 (27), 2022 (28), 2023 (32), 2024 (31), 2025 (38).