Besancon, Bourgogne Franche Comte, 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
Besancon, Bourgogne Franche Comte, France
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 21 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Besancon, Bourgogne Franche Comte, France
6 AM3rd Aug 2025
9 PM
5 AM4th Aug 2025
20AQI
18AQI
22AQI
19AQI
In the last 24 hours,
Besancon's AQI reached its highest point of 22 at 11 PM during the Night, while the lowest point, 18, was recorded at 8 AM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Besancon, Bourgogne Franche Comte, France
21°C12/29°C
16°C12/23°C
14°C11/17°C
13°C9/17°C
15°C7/23°C
18°C9/26°C
20°C11/28°C
21°C13/29°C
21°C14/30°C
22°C15/29°C
21°C16/27°C
16°C14/21°C
20°C15/26°C
21°C13/30°C
20°C17/25°C
20°C16/29°C
19°C15/25°C
18°C13/24°C
19°C11/26°C
17°C13/22°C
17°C10/25°C
18°C12/27°C
16°C13/20°C
15°C12/18°C
16°C11/23°C
17°C11/23°C
19°C13/25°C
18°C13/22°C
15°C11/19°C
16°C10/23°C
--°C/°C
22AQI
22AQI
22AQI
22AQI
2025 Days Vs Air Quality
Besancon, Bourgogne Franche Comte, France
81%
175
19%
40
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2025, 81% of 216 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
Besancon, Bourgogne Franche Comte, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
60AQI
37AQI
37AQI
50AQI
33AQI
30AQI
27AQI
24AQI
26AQI
29AQI
46AQI
49AQI
45AQI
67AQI
89AQI
53AQI
70AQI
72AQI
83AQI
90AQI
94AQI
68AQI
36AQI
32AQI
33AQI
28AQI
29AQI
30AQI
31AQI
38AQI
38AQI
45AQI
50AQI
60AQI
67AQI
76AQI
63AQI
61AQI
71AQI
42AQI
64AQI
39AQI
40AQI
46AQI
67AQI
66AQI
76AQI
73AQI
75AQI
73AQI
77AQI
60AQI
46AQI
37AQI
39AQI
36AQI
29AQI
29AQI
37AQI
42AQI
44AQI
53AQI
63AQI
61AQI
57AQI
51AQI
57AQI
64AQI
40AQI
38AQI
48AQI
42AQI
42AQI
55AQI
42AQI
52AQI
35AQI
42AQI
38AQI
44AQI
32AQI
18AQI
26AQI
33AQI
69AQI
40AQI
38AQI
60AQI
42AQI
35AQI
28AQI
34AQI
42AQI
37AQI
34AQI
29AQI
22AQI
35AQI
32AQI
37AQI
43AQI
36AQI
32AQI
28AQI
18AQI
19AQI
18AQI
18AQI
21AQI
20AQI
18AQI
19AQI
20AQI
17AQI
28AQI
29AQI
33AQI
28AQI
31AQI
35AQI
34AQI
34AQI
34AQI
30AQI
26AQI
22AQI
28AQI
34AQI
38AQI
29AQI
27AQI
19AQI
19AQI
27AQI
32AQI
24AQI
26AQI
32AQI
30AQI
25AQI
29AQI
29AQI
25AQI
21AQI
21AQI
21AQI
22AQI
18AQI
18AQI
21AQI
24AQI
26AQI
27AQI
23AQI
23AQI
18AQI
17AQI
16AQI
26AQI
34AQI
50AQI
57AQI
53AQI
60AQI
59AQI
47AQI
32AQI
30AQI
32AQI
38AQI
42AQI
39AQI
38AQI
40AQI
32AQI
29AQI
30AQI
27AQI
24AQI
23AQI
25AQI
28AQI
35AQI
36AQI
34AQI
32AQI
28AQI
22AQI
21AQI
21AQI
23AQI
24AQI
24AQI
25AQI
25AQI
26AQI
26AQI
23AQI
21AQI
22AQI
22AQI
20AQI
18AQI
17AQI
16AQI
17AQI
19AQI
20AQI
20AQI
22AQI
22AQI
21AQI
22AQI
21AQI
21AQI
48AQI
55AQI
45AQI
28AQI
26AQI
34AQI
24AQI
21AQI
No. of days
202537AQI
Highest AQI recorded in
February55AQI
Lowest AQI recorded in
August21AQI
202432AQI
Highest AQI recorded in
January49AQI
Lowest AQI recorded in
July24AQI
202331AQI
Highest AQI recorded in
February53AQI
Lowest AQI recorded in
November25AQI
202239AQI
Highest AQI recorded in
March62AQI
Lowest AQI recorded in
September26AQI
202136AQI
Highest AQI recorded in
February48AQI
Lowest AQI recorded in
August26AQI
202034AQI
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
June26AQI
Most & Least Polluted Years Over the Last 6 Years
Besancon's annual 2025 AQI (37) shows an average percentage change of 7.5% (worsened AQI) compared to previous years: 2020 (34), 2021 (36), 2022 (39), 2023 (31), 2024 (32).