Nantes, Pays De La Loire, 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
Nantes, Pays De La Loire, France
AQI Trends: Highest and Lowest
Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
Nantes, Pays De La Loire, France
6 AM21st Aug 2025
9 PM
5 AM22nd Aug 2025
47AQI
34AQI
43AQI
38AQI
In the last 24 hours,
Nantes's AQI reached its highest point of 47 at 7 AM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nantes, Pays De La Loire, France
18°C14/24°C
18°C13/24°C
19°C13/26°C
19°C14/25°C
17°C13/20°C
19°C13/25°C
18°C13/25°C
20°C14/26°C
19°C13/26°C
19°C13/26°C
18°C11/26°C
18°C11/27°C
21°C14/30°C
20°C13/27°C
19°C12/28°C
22°C13/31°C
22°C13/31°C
23°C14/33°C
23°C11/34°C
27°C17/40°C
24°C17/34°C
24°C17/32°C
23°C14/33°C
28°C18/39°C
29°C21/39°C
27°C18/36°C
23°C17/34°C
20°C16/28°C
20°C15/27°C
20°C14/28°C
--°C/°C
34AQI
32AQI
34AQI
31AQI
2025 Days Vs Air Quality
Nantes, Pays De La Loire, France
80%
185
20%
47
Total number of days with different AQI categories in last 234 days in 2025 (131 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% of 234 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
Nantes, Pays De La Loire, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI
37AQI
37AQI
43AQI
40AQI
34AQI
30AQI
33AQI
34AQI
30AQI
37AQI
62AQI
56AQI
78AQI
90AQI
57AQI
76AQI
73AQI
61AQI
65AQI
66AQI
63AQI
42AQI
32AQI
31AQI
36AQI
32AQI
39AQI
31AQI
29AQI
44AQI
32AQI
64AQI
53AQI
53AQI
53AQI
49AQI
47AQI
45AQI
54AQI
36AQI
57AQI
52AQI
69AQI
61AQI
70AQI
76AQI
85AQI
84AQI
67AQI
41AQI
57AQI
35AQI
31AQI
32AQI
32AQI
30AQI
32AQI
33AQI
42AQI
53AQI
61AQI
68AQI
72AQI
47AQI
40AQI
33AQI
34AQI
39AQI
50AQI
44AQI
32AQI
40AQI
39AQI
63AQI
66AQI
56AQI
34AQI
30AQI
33AQI
23AQI
24AQI
35AQI
67AQI
60AQI
59AQI
43AQI
25AQI
26AQI
37AQI
32AQI
27AQI
27AQI
35AQI
32AQI
38AQI
29AQI
42AQI
53AQI
56AQI
47AQI
42AQI
33AQI
29AQI
27AQI
22AQI
20AQI
23AQI
24AQI
23AQI
31AQI
24AQI
23AQI
20AQI
48AQI
57AQI
69AQI
52AQI
31AQI
32AQI
31AQI
40AQI
46AQI
42AQI
23AQI
28AQI
33AQI
36AQI
39AQI
28AQI
20AQI
25AQI
25AQI
27AQI
39AQI
36AQI
35AQI
37AQI
36AQI
42AQI
39AQI
31AQI
32AQI
29AQI
20AQI
26AQI
25AQI
23AQI
19AQI
21AQI
29AQI
27AQI
24AQI
25AQI
21AQI
22AQI
24AQI
22AQI
24AQI
41AQI
57AQI
46AQI
51AQI
48AQI
39AQI
25AQI
28AQI
31AQI
32AQI
39AQI
44AQI
51AQI
53AQI
33AQI
27AQI
28AQI
23AQI
18AQI
15AQI
17AQI
21AQI
29AQI
27AQI
23AQI
21AQI
20AQI
19AQI
18AQI
19AQI
21AQI
23AQI
26AQI
25AQI
28AQI
28AQI
27AQI
34AQI
30AQI
25AQI
22AQI
22AQI
22AQI
20AQI
16AQI
25AQI
43AQI
50AQI
30AQI
31AQI
26AQI
20AQI
22AQI
21AQI
21AQI
22AQI
25AQI
23AQI
25AQI
27AQI
26AQI
27AQI
24AQI
35AQI
50AQI
55AQI
52AQI
44AQI
45AQI
41AQI
39AQI
44AQI
44AQI
47AQI
51AQI
44AQI
35AQI
31AQI
32AQI
26AQI
35AQI
No. of days
202538AQI
Highest AQI recorded in
February51AQI
Lowest AQI recorded in
July26AQI
202436AQI
Highest AQI recorded in
January53AQI
Lowest AQI recorded in
July27AQI
202338AQI
Highest AQI recorded in
February57AQI
Lowest AQI recorded in
August27AQI
202240AQI
Highest AQI recorded in
March55AQI
Lowest AQI recorded in
September28AQI
202140AQI
Highest AQI recorded in
January52AQI
Lowest AQI recorded in
August28AQI
202037AQI
Highest AQI recorded in
March60AQI
Lowest AQI recorded in
October29AQI
Most & Least Polluted Years Over the Last 6 Years
Nantes's annual 2025 AQI (38) shows an average percentage change of -2.04% (improved AQI) compared to previous years: 2020 (37), 2021 (40), 2022 (40), 2023 (38), 2024 (36).