Location Studio Bastia La Marana, Bastia, Corsica, France Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Location Studio Bastia La Marana, Bastia, Corsica, France
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 22 of Good air quality, showing improvement over 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Location Studio Bastia La Marana, Bastia, Corsica, France
6 AM21st Sep 2025
7 PM
5 AM22nd Sep 2025
24AQI
20AQI
23AQI
20AQI
In the last 24 hours,
Location Studio Bastia La Marana's AQI reached its highest point of 24 at 10 AM during the Day, while the lowest point, 20, was recorded at 4 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Location Studio Bastia La Marana, Bastia, Corsica, France
23°C19/26°C
22°C19/25°C
23°C20/26°C
23°C20/26°C
24°C21/28°C
25°C21/29°C
24°C21/27°C
22°C18/27°C
22°C18/26°C
22°C19/26°C
23°C19/27°C
21°C17/25°C
21°C18/25°C
22°C19/26°C
21°C18/25°C
22°C18/26°C
23°C20/26°C
23°C20/25°C
21°C20/24°C
21°C17/25°C
21°C18/26°C
21°C18/25°C
21°C18/24°C
22°C19/25°C
23°C19/28°C
22°C19/25°C
23°C20/26°C
23°C20/27°C
24°C21/27°C
23°C20/27°C
--°C/°C
27AQI
24AQI
26AQI
24AQI
2025 Days Vs Air Quality
Location Studio Bastia La Marana, Bastia, Corsica, France
88%
231
13%
33
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 265 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
Location Studio Bastia La Marana, Bastia, Corsica, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
72AQI
57AQI
82AQI
76AQI
67AQI
61AQI
55AQI
49AQI
41AQI
35AQI
36AQI
34AQI
37AQI
42AQI
45AQI
43AQI
43AQI
42AQI
43AQI
43AQI
43AQI
43AQI
49AQI
49AQI
48AQI
43AQI
41AQI
37AQI
34AQI
31AQI
32AQI
32AQI
34AQI
35AQI
38AQI
42AQI
45AQI
45AQI
45AQI
44AQI
46AQI
45AQI
47AQI
49AQI
46AQI
44AQI
41AQI
43AQI
47AQI
49AQI
50AQI
52AQI
53AQI
54AQI
56AQI
55AQI
51AQI
48AQI
45AQI
43AQI
41AQI
43AQI
44AQI
44AQI
46AQI
51AQI
51AQI
54AQI
52AQI
49AQI
45AQI
41AQI
39AQI
38AQI
37AQI
36AQI
38AQI
37AQI
41AQI
44AQI
46AQI
46AQI
42AQI
41AQI
38AQI
35AQI
35AQI
33AQI
31AQI
31AQI
29AQI
32AQI
33AQI
34AQI
34AQI
34AQI
33AQI
33AQI
33AQI
35AQI
33AQI
30AQI
34AQI
34AQI
22AQI
25AQI
20AQI
17AQI
18AQI
19AQI
18AQI
22AQI
29AQI
26AQI
27AQI
27AQI
26AQI
26AQI
28AQI
31AQI
34AQI
38AQI
38AQI
37AQI
34AQI
27AQI
25AQI
23AQI
23AQI
23AQI
24AQI
23AQI
22AQI
23AQI
25AQI
24AQI
25AQI
27AQI
29AQI
30AQI
30AQI
27AQI
25AQI
23AQI
22AQI
24AQI
26AQI
27AQI
27AQI
26AQI
26AQI
27AQI
29AQI
29AQI
30AQI
35AQI
37AQI
37AQI
41AQI
50AQI
54AQI
59AQI
60AQI
60AQI
59AQI
59AQI
56AQI
52AQI
50AQI
48AQI
46AQI
46AQI
48AQI
49AQI
48AQI
48AQI
50AQI
51AQI
50AQI
45AQI
43AQI
41AQI
41AQI
40AQI
43AQI
43AQI
41AQI
37AQI
35AQI
34AQI
33AQI
34AQI
33AQI
32AQI
31AQI
32AQI
33AQI
35AQI
35AQI
36AQI
38AQI
38AQI
32AQI
27AQI
26AQI
27AQI
26AQI
28AQI
28AQI
27AQI
25AQI
25AQI
31AQI
31AQI
31AQI
34AQI
33AQI
32AQI
43AQI
38AQI
38AQI
36AQI
39AQI
48AQI
56AQI
56AQI
57AQI
57AQI
56AQI
54AQI
52AQI
49AQI
45AQI
39AQI
36AQI
32AQI
31AQI
29AQI
31AQI
33AQI
31AQI
27AQI
24AQI
23AQI
23AQI
24AQI
27AQI
24AQI
23AQI
24AQI
25AQI
27AQI
28AQI
25AQI
24AQI
22AQI
21AQI
22AQI
22AQI
23AQI
23AQI
23AQI
23AQI
22AQI
47AQI
46AQI
42AQI
28AQI
27AQI
47AQI
33AQI
40AQI
24AQI
No. of days
202537AQI
Highest AQI recorded in
January47AQI
Lowest AQI recorded in
September24AQI
202427AQI
Highest AQI recorded in
December49AQI
Lowest AQI recorded in
September11AQI
202327AQI
Highest AQI recorded in
July33AQI
Lowest AQI recorded in
December20AQI
202228AQI
Highest AQI recorded in
August41AQI
Lowest AQI recorded in
December19AQI
202126AQI
Highest AQI recorded in
August30AQI
Lowest AQI recorded in
December20AQI
202032AQI
Highest AQI recorded in
March57AQI
Lowest AQI recorded in
December18AQI
Most & Least Polluted Years Over the Last 6 Years
Location Studio Bastia La Marana's annual 2025 AQI (37) shows an average percentage change of 34.1% (worsened AQI) compared to previous years: 2020 (32), 2021 (26), 2022 (28), 2023 (27), 2024 (27).