Vannes, Bretagne, 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
Vannes, Bretagne, France
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 21 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Vannes, Bretagne, France
6 AM3rd Aug 2025
10 PM
5 AM4th Aug 2025
24AQI
18AQI
25AQI
23AQI
In the last 24 hours,
Vannes's AQI reached its highest point of 25 at 3 AM during the Night, while the lowest point, 18, was recorded at 6 AM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Vannes, Bretagne, France
18°C13/23°C
19°C17/23°C
18°C14/22°C
18°C12/23°C
18°C11/24°C
21°C14/27°C
24°C17/29°C
24°C18/30°C
22°C18/26°C
19°C15/22°C
18°C15/22°C
20°C17/23°C
20°C15/25°C
21°C16/26°C
18°C17/21°C
18°C16/19°C
18°C16/21°C
18°C15/20°C
17°C15/21°C
18°C14/21°C
18°C14/22°C
18°C14/22°C
17°C14/19°C
18°C14/22°C
17°C14/20°C
19°C15/23°C
19°C14/23°C
19°C14/23°C
17°C13/22°C
17°C13/22°C
--°C/°C
26AQI
26AQI
25AQI
25AQI
2025 Days Vs Air Quality
Vannes, Bretagne, France
82%
176
18%
39
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2025, 82% 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
Vannes, Bretagne, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI
35AQI
32AQI
38AQI
46AQI
30AQI
37AQI
38AQI
35AQI
27AQI
41AQI
63AQI
56AQI
83AQI
93AQI
50AQI
69AQI
72AQI
66AQI
61AQI
55AQI
61AQI
41AQI
34AQI
33AQI
46AQI
34AQI
47AQI
38AQI
31AQI
47AQI
31AQI
45AQI
47AQI
41AQI
32AQI
45AQI
52AQI
42AQI
59AQI
41AQI
51AQI
63AQI
72AQI
56AQI
68AQI
76AQI
83AQI
81AQI
63AQI
33AQI
50AQI
42AQI
32AQI
39AQI
32AQI
34AQI
33AQI
31AQI
42AQI
50AQI
59AQI
72AQI
71AQI
45AQI
41AQI
29AQI
31AQI
36AQI
48AQI
34AQI
31AQI
38AQI
31AQI
57AQI
66AQI
56AQI
31AQI
26AQI
34AQI
24AQI
33AQI
45AQI
75AQI
56AQI
52AQI
35AQI
26AQI
20AQI
44AQI
34AQI
31AQI
22AQI
28AQI
27AQI
39AQI
32AQI
43AQI
62AQI
59AQI
50AQI
40AQI
31AQI
23AQI
24AQI
16AQI
15AQI
15AQI
18AQI
34AQI
29AQI
22AQI
20AQI
16AQI
38AQI
51AQI
57AQI
50AQI
25AQI
28AQI
33AQI
33AQI
39AQI
42AQI
19AQI
26AQI
32AQI
37AQI
39AQI
31AQI
18AQI
23AQI
20AQI
24AQI
37AQI
35AQI
37AQI
36AQI
36AQI
43AQI
40AQI
31AQI
31AQI
27AQI
20AQI
26AQI
27AQI
20AQI
16AQI
18AQI
20AQI
29AQI
23AQI
24AQI
18AQI
20AQI
19AQI
17AQI
22AQI
47AQI
57AQI
44AQI
52AQI
45AQI
30AQI
24AQI
25AQI
27AQI
29AQI
34AQI
48AQI
54AQI
54AQI
28AQI
27AQI
23AQI
17AQI
15AQI
13AQI
15AQI
21AQI
28AQI
20AQI
18AQI
18AQI
19AQI
17AQI
17AQI
20AQI
22AQI
22AQI
24AQI
23AQI
28AQI
27AQI
26AQI
40AQI
31AQI
23AQI
19AQI
26AQI
25AQI
20AQI
15AQI
39AQI
55AQI
47AQI
26AQI
28AQI
20AQI
18AQI
21AQI
21AQI
20AQI
21AQI
48AQI
49AQI
43AQI
33AQI
30AQI
30AQI
25AQI
21AQI
No. of days
202536AQI
Highest AQI recorded in
February49AQI
Lowest AQI recorded in
August21AQI
202435AQI
Highest AQI recorded in
January47AQI
Lowest AQI recorded in
July24AQI
202338AQI
Highest AQI recorded in
February50AQI
Lowest AQI recorded in
August26AQI
202240AQI
Highest AQI recorded in
December54AQI
Lowest AQI recorded in
September28AQI
202140AQI
Highest AQI recorded in
January52AQI
Lowest AQI recorded in
June28AQI
202036AQI
Highest AQI recorded in
March60AQI
Lowest AQI recorded in
July24AQI
Most & Least Polluted Years Over the Last 6 Years
Vannes's annual 2025 AQI (36) shows an average percentage change of -3.3% (improved AQI) compared to previous years: 2020 (36), 2021 (40), 2022 (40), 2023 (38), 2024 (35).