Clermont Ferrand, Auvergne Rhone Alpes, 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
Clermont Ferrand, Auvergne Rhone Alpes, France
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 48 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Clermont Ferrand, Auvergne Rhone Alpes, France
7 AM29th Sep 2025
8 PM
6 AM30th Sep 2025
50AQI
41AQI
55AQI
44AQI
In the last 24 hours,
Clermont Ferrand's AQI reached its highest point of 55 at 12 AM during the Night, while the lowest point, 41, was recorded at 4 PM during the Day between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Clermont Ferrand, Auvergne Rhone Alpes, France
17°C12/26°C
15°C11/21°C
14°C9/20°C
20°C13/29°C
15°C10/19°C
13°C8/20°C
16°C7/28°C
21°C13/34°C
16°C13/19°C
15°C11/21°C
15°C10/22°C
15°C11/20°C
14°C10/20°C
14°C10/20°C
14°C11/17°C
18°C12/23°C
14°C9/21°C
16°C9/25°C
18°C11/29°C
22°C13/34°C
21°C14/30°C
13°C10/15°C
9°C7/11°C
7°C5/9°C
8°C5/12°C
9°C6/12°C
9°C6/12°C
10°C6/17°C
12°C6/20°C
11°C5/18°C
--°C/°C
22AQI
19AQI
23AQI
19AQI
2025 Days Vs Air Quality
Clermont Ferrand, Auvergne Rhone Alpes, France
92%
249
8%
23
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 273 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
Clermont Ferrand, Auvergne Rhone Alpes, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
55AQI
42AQI
42AQI
49AQI
35AQI
31AQI
27AQI
24AQI
23AQI
26AQI
27AQI
27AQI
34AQI
52AQI
63AQI
50AQI
54AQI
61AQI
65AQI
72AQI
59AQI
46AQI
40AQI
36AQI
31AQI
29AQI
26AQI
24AQI
23AQI
22AQI
24AQI
31AQI
36AQI
47AQI
45AQI
46AQI
47AQI
49AQI
32AQI
38AQI
37AQI
33AQI
31AQI
36AQI
41AQI
47AQI
51AQI
58AQI
59AQI
52AQI
48AQI
46AQI
34AQI
33AQI
29AQI
27AQI
25AQI
24AQI
27AQI
33AQI
40AQI
44AQI
41AQI
37AQI
34AQI
33AQI
30AQI
33AQI
28AQI
25AQI
31AQI
24AQI
24AQI
23AQI
23AQI
25AQI
26AQI
24AQI
25AQI
27AQI
25AQI
25AQI
24AQI
33AQI
61AQI
55AQI
47AQI
34AQI
28AQI
30AQI
27AQI
28AQI
25AQI
26AQI
25AQI
26AQI
21AQI
22AQI
24AQI
24AQI
26AQI
27AQI
26AQI
26AQI
22AQI
19AQI
20AQI
22AQI
21AQI
20AQI
19AQI
18AQI
18AQI
19AQI
19AQI
21AQI
20AQI
20AQI
18AQI
20AQI
23AQI
27AQI
28AQI
27AQI
24AQI
22AQI
23AQI
27AQI
27AQI
22AQI
20AQI
20AQI
19AQI
20AQI
23AQI
21AQI
22AQI
23AQI
23AQI
24AQI
25AQI
22AQI
23AQI
20AQI
23AQI
22AQI
21AQI
20AQI
18AQI
19AQI
21AQI
26AQI
24AQI
26AQI
25AQI
19AQI
18AQI
20AQI
34AQI
38AQI
49AQI
55AQI
53AQI
52AQI
49AQI
40AQI
31AQI
29AQI
29AQI
33AQI
38AQI
38AQI
39AQI
38AQI
37AQI
37AQI
32AQI
26AQI
25AQI
25AQI
26AQI
28AQI
35AQI
35AQI
31AQI
28AQI
25AQI
23AQI
20AQI
21AQI
21AQI
23AQI
25AQI
27AQI
30AQI
30AQI
28AQI
26AQI
22AQI
25AQI
22AQI
18AQI
16AQI
16AQI
17AQI
23AQI
23AQI
24AQI
21AQI
26AQI
23AQI
21AQI
24AQI
22AQI
21AQI
23AQI
24AQI
25AQI
24AQI
32AQI
45AQI
37AQI
52AQI
51AQI
58AQI
52AQI
47AQI
55AQI
52AQI
45AQI
47AQI
44AQI
30AQI
31AQI
26AQI
23AQI
24AQI
36AQI
42AQI
28AQI
20AQI
17AQI
17AQI
16AQI
16AQI
18AQI
20AQI
21AQI
18AQI
21AQI
25AQI
23AQI
20AQI
19AQI
18AQI
19AQI
18AQI
16AQI
17AQI
19AQI
20AQI
23AQI
22AQI
19AQI
14AQI
13AQI
13AQI
17AQI
19AQI
30AQI
25AQI
48AQI
39AQI
40AQI
32AQI
22AQI
23AQI
34AQI
24AQI
35AQI
20AQI
No. of days
202530AQI
Highest AQI recorded in
February40AQI
Lowest AQI recorded in
September20AQI
202428AQI
Highest AQI recorded in
December39AQI
Lowest AQI recorded in
October20AQI
202331AQI
Highest AQI recorded in
February40AQI
Lowest AQI recorded in
November23AQI
202236AQI
Highest AQI recorded in
March48AQI
Lowest AQI recorded in
September27AQI
202132AQI
Highest AQI recorded in
March37AQI
Lowest AQI recorded in
May26AQI
202030AQI
Highest AQI recorded in
March47AQI
Lowest AQI recorded in
October24AQI
Most & Least Polluted Years Over the Last 6 Years
Clermont Ferrand's annual 2025 AQI (30) shows an average percentage change of -4.3% (improved AQI) compared to previous years: 2020 (30), 2021 (32), 2022 (36), 2023 (31), 2024 (28).