Niort, Nouvelle Aquitaine, 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
Niort, Nouvelle Aquitaine, France
AQI Trends: Highest and Lowest
Same Day Analysis (18th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Oct - 20th Oct 2025
Niort, Nouvelle Aquitaine, France
8 AM19th Oct 2025
7 PM
7 AM20th Oct 2025
AQI
AQI
55AQI
34AQI
In the last 24 hours,
Niort's AQI reached its highest point of 55 at 10 AM during the Night, while the lowest point, undefined, was recorded at 7 AM during the Night between 19th Oct and 20th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Niort, Nouvelle Aquitaine, France
21°C17/29°C
16°C12/20°C
14°C12/18°C
11°C9/15°C
12°C10/15°C
12°C9/16°C
12°C10/15°C
13°C8/19°C
16°C11/23°C
16°C10/22°C
16°C11/22°C
15°C9/21°C
16°C10/23°C
17°C13/20°C
16°C12/18°C
13°C8/19°C
13°C8/20°C
16°C10/24°C
16°C12/22°C
15°C10/20°C
15°C9/22°C
16°C9/23°C
16°C9/24°C
15°C10/22°C
15°C9/22°C
14°C9/20°C
13°C9/20°C
13°C8/20°C
14°C7/22°C
--°C/°C
--°C/°C
41AQI
41AQI
42AQI
42AQI
2025 Days Vs Air Quality
Niort, Nouvelle Aquitaine, France
85%
248
15%
43
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 292 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
Niort, Nouvelle Aquitaine, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
45AQI
34AQI
41AQI
31AQI
28AQI
28AQI
26AQI
28AQI
31AQI
26AQI
30AQI
44AQI
41AQI
59AQI
76AQI
52AQI
65AQI
59AQI
54AQI
59AQI
53AQI
39AQI
34AQI
26AQI
29AQI
26AQI
32AQI
35AQI
29AQI
26AQI
33AQI
31AQI
55AQI
52AQI
56AQI
57AQI
39AQI
52AQI
36AQI
37AQI
33AQI
40AQI
40AQI
41AQI
52AQI
60AQI
66AQI
78AQI
75AQI
54AQI
45AQI
53AQI
31AQI
28AQI
27AQI
30AQI
28AQI
30AQI
32AQI
48AQI
54AQI
57AQI
59AQI
51AQI
36AQI
35AQI
31AQI
30AQI
27AQI
28AQI
52AQI
33AQI
41AQI
53AQI
53AQI
52AQI
50AQI
45AQI
45AQI
46AQI
37AQI
34AQI
36AQI
47AQI
50AQI
49AQI
41AQI
32AQI
30AQI
33AQI
31AQI
24AQI
22AQI
26AQI
24AQI
28AQI
23AQI
28AQI
34AQI
36AQI
33AQI
31AQI
29AQI
26AQI
21AQI
20AQI
21AQI
20AQI
19AQI
20AQI
25AQI
23AQI
22AQI
23AQI
34AQI
42AQI
46AQI
40AQI
30AQI
24AQI
24AQI
35AQI
34AQI
34AQI
27AQI
28AQI
34AQI
37AQI
36AQI
25AQI
20AQI
24AQI
23AQI
27AQI
32AQI
36AQI
31AQI
35AQI
32AQI
33AQI
36AQI
29AQI
31AQI
29AQI
20AQI
24AQI
22AQI
19AQI
17AQI
20AQI
29AQI
26AQI
30AQI
26AQI
24AQI
23AQI
22AQI
23AQI
30AQI
40AQI
49AQI
48AQI
45AQI
44AQI
41AQI
37AQI
34AQI
33AQI
33AQI
38AQI
43AQI
45AQI
44AQI
32AQI
33AQI
34AQI
31AQI
25AQI
21AQI
19AQI
23AQI
31AQI
34AQI
26AQI
27AQI
25AQI
22AQI
21AQI
21AQI
23AQI
25AQI
27AQI
25AQI
31AQI
28AQI
27AQI
31AQI
30AQI
27AQI
23AQI
20AQI
23AQI
19AQI
17AQI
24AQI
39AQI
46AQI
24AQI
29AQI
26AQI
21AQI
24AQI
23AQI
21AQI
22AQI
23AQI
24AQI
24AQI
24AQI
27AQI
30AQI
30AQI
44AQI
53AQI
56AQI
54AQI
50AQI
48AQI
43AQI
43AQI
46AQI
44AQI
40AQI
29AQI
25AQI
22AQI
25AQI
28AQI
28AQI
25AQI
21AQI
21AQI
19AQI
20AQI
20AQI
27AQI
23AQI
20AQI
19AQI
22AQI
22AQI
21AQI
20AQI
22AQI
20AQI
19AQI
17AQI
22AQI
22AQI
21AQI
22AQI
26AQI
33AQI
19AQI
16AQI
17AQI
16AQI
29AQI
26AQI
28AQI
28AQI
38AQI
39AQI
41AQI
50AQI
42AQI
42AQI
48AQI
51AQI
52AQI
51AQI
55AQI
53AQI
59AQI
60AQI
52AQI
50AQI
51AQI
51AQI
51AQI
56AQI
39AQI
45AQI
42AQI
28AQI
28AQI
33AQI
26AQI
33AQI
23AQI
51AQI
No. of days
202534AQI
Highest AQI recorded in
October51AQI
Lowest AQI recorded in
September23AQI
202431AQI
Highest AQI recorded in
January46AQI
Lowest AQI recorded in
July26AQI
202332AQI
Highest AQI recorded in
February46AQI
Lowest AQI recorded in
July23AQI
202236AQI
Highest AQI recorded in
January47AQI
Lowest AQI recorded in
September26AQI
202134AQI
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
August27AQI
202026AQI
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
December19AQI
Most & Least Polluted Years Over the Last 6 Years
Niort's annual 2025 AQI (34) shows an average percentage change of 8.3% (worsened AQI) compared to previous years: 2020 (26), 2021 (34), 2022 (36), 2023 (32), 2024 (31).