Chalons En Champagne, Grand Est, France Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Chalons En Champagne, Grand Est, France
AQI Trends: Highest and Lowest
Same Day Analysis (9th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 57 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Oct - 10th Oct 2025
Chalons En Champagne, Grand Est, France
7 AM9th Oct 2025
7 PM
6 AM10th Oct 2025
63AQI
50AQI
60AQI
41AQI
In the last 24 hours,
Chalons En Champagne's AQI reached its highest point of 63 at 12 PM during the Day, while the lowest point, undefined, was recorded at 6 AM during the Night between 9th Oct and 10th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Chalons En Champagne, Grand Est, France
18°C13/23°C
17°C14/21°C
15°C10/21°C
15°C13/21°C
15°C12/19°C
19°C15/21°C
15°C12/17°C
16°C12/22°C
18°C13/25°C
21°C14/30°C
22°C18/27°C
14°C11/15°C
11°C9/13°C
10°C9/13°C
10°C9/10°C
10°C9/11°C
10°C9/13°C
12°C10/16°C
13°C8/19°C
14°C10/20°C
14°C11/18°C
13°C9/18°C
11°C7/16°C
12°C9/15°C
14°C11/17°C
12°C9/16°C
12°C9/16°C
13°C9/18°C
14°C11/18°C
13°C10/18°C
--°C/°C
29AQI
23AQI
31AQI
24AQI
2025 Days Vs Air Quality
Chalons En Champagne, Grand Est, France
84%
236
16%
46
Total number of days with different AQI categories in last 283 days in 2025 (82 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 283 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
Chalons En Champagne, Grand Est, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
39AQI
40AQI
42AQI
63AQI
28AQI
25AQI
26AQI
23AQI
26AQI
45AQI
42AQI
42AQI
47AQI
70AQI
82AQI
60AQI
70AQI
65AQI
92AQI
68AQI
80AQI
63AQI
38AQI
24AQI
24AQI
26AQI
28AQI
28AQI
25AQI
21AQI
33AQI
52AQI
60AQI
74AQI
47AQI
54AQI
42AQI
46AQI
44AQI
27AQI
54AQI
48AQI
61AQI
63AQI
87AQI
74AQI
70AQI
65AQI
70AQI
76AQI
68AQI
55AQI
34AQI
44AQI
30AQI
31AQI
27AQI
26AQI
34AQI
49AQI
46AQI
60AQI
73AQI
77AQI
66AQI
54AQI
56AQI
61AQI
54AQI
65AQI
46AQI
48AQI
54AQI
48AQI
58AQI
57AQI
37AQI
44AQI
46AQI
47AQI
28AQI
18AQI
30AQI
78AQI
74AQI
48AQI
61AQI
33AQI
35AQI
39AQI
41AQI
32AQI
38AQI
41AQI
39AQI
29AQI
24AQI
32AQI
41AQI
50AQI
49AQI
36AQI
30AQI
33AQI
24AQI
21AQI
27AQI
30AQI
25AQI
23AQI
15AQI
30AQI
22AQI
36AQI
54AQI
43AQI
28AQI
35AQI
35AQI
40AQI
36AQI
37AQI
45AQI
33AQI
22AQI
28AQI
28AQI
31AQI
30AQI
24AQI
23AQI
19AQI
24AQI
32AQI
41AQI
30AQI
33AQI
37AQI
35AQI
35AQI
28AQI
32AQI
21AQI
25AQI
19AQI
24AQI
20AQI
20AQI
20AQI
23AQI
29AQI
24AQI
30AQI
29AQI
22AQI
18AQI
16AQI
16AQI
18AQI
27AQI
49AQI
34AQI
38AQI
47AQI
52AQI
39AQI
31AQI
32AQI
36AQI
40AQI
37AQI
37AQI
40AQI
40AQI
34AQI
33AQI
32AQI
27AQI
24AQI
22AQI
26AQI
32AQI
42AQI
36AQI
32AQI
33AQI
30AQI
24AQI
21AQI
23AQI
25AQI
26AQI
26AQI
27AQI
31AQI
28AQI
26AQI
23AQI
22AQI
26AQI
21AQI
20AQI
19AQI
18AQI
18AQI
22AQI
27AQI
20AQI
22AQI
25AQI
23AQI
22AQI
21AQI
22AQI
20AQI
23AQI
22AQI
23AQI
23AQI
25AQI
34AQI
30AQI
37AQI
42AQI
50AQI
50AQI
49AQI
43AQI
40AQI
29AQI
28AQI
38AQI
40AQI
27AQI
24AQI
22AQI
21AQI
25AQI
26AQI
26AQI
21AQI
19AQI
16AQI
16AQI
17AQI
17AQI
20AQI
18AQI
17AQI
19AQI
22AQI
19AQI
20AQI
19AQI
17AQI
16AQI
16AQI
15AQI
17AQI
18AQI
17AQI
21AQI
26AQI
21AQI
16AQI
16AQI
16AQI
19AQI
18AQI
16AQI
25AQI
26AQI
31AQI
41AQI
54AQI
49AQI
36AQI
36AQI
52AQI
52AQI
49AQI
57AQI
45AQI
52AQI
51AQI
33AQI
29AQI
32AQI
25AQI
30AQI
19AQI
47AQI
No. of days
202535AQI
Highest AQI recorded in
February52AQI
Lowest AQI recorded in
September19AQI
202435AQI
Highest AQI recorded in
January46AQI
Lowest AQI recorded in
July23AQI
202335AQI
Highest AQI recorded in
February51AQI
Lowest AQI recorded in
November28AQI
202238AQI
Highest AQI recorded in
March64AQI
Lowest AQI recorded in
September26AQI
202134AQI
Highest AQI recorded in
March40AQI
Lowest AQI recorded in
July28AQI
202030AQI
Highest AQI recorded in
April39AQI
Lowest AQI recorded in
October23AQI
Most & Least Polluted Years Over the Last 6 Years
Chalons En Champagne's annual 2025 AQI (35) shows an average percentage change of 2.7% (worsened AQI) compared to previous years: 2020 (30), 2021 (34), 2022 (38), 2023 (35), 2024 (35).