Circoscrizione 1, Modena, Emilia Romagna, Italy 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
Circoscrizione 1, Modena, Emilia Romagna, Italy
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 49 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Circoscrizione 1, Modena, Emilia Romagna, Italy
6 AM21st Sep 2025
7 PM
5 AM22nd Sep 2025
67AQI
22AQI
66AQI
30AQI
In the last 24 hours,
Circoscrizione 1's AQI reached its highest point of 67 at 8 AM during the Day, while the lowest point, 22, was recorded at 6 PM during the Day between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Circoscrizione 1, Modena, Emilia Romagna, Italy
23°C18/29°C
20°C17/24°C
22°C18/27°C
24°C19/31°C
24°C20/29°C
25°C20/32°C
23°C19/31°C
20°C17/23°C
21°C16/27°C
23°C17/30°C
21°C17/29°C
21°C16/28°C
22°C18/28°C
23°C18/29°C
22°C16/29°C
22°C17/29°C
22°C18/26°C
22°C18/27°C
20°C18/24°C
21°C16/27°C
21°C16/26°C
21°C17/27°C
22°C16/28°C
23°C17/28°C
23°C19/29°C
20°C18/25°C
22°C17/29°C
23°C18/30°C
24°C19/31°C
24°C19/31°C
--°C/°C
35AQI
29AQI
33AQI
30AQI
2025 Days Vs Air Quality
Circoscrizione 1, Modena, Emilia Romagna, Italy
66%
77
34%
39
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 66%
Health Risk Level:
Moderate
In 2025, 66% of 265 days were within WHO’s safe air quality limits, and 34% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Circoscrizione 1, Modena, Emilia Romagna, Italy
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI
32AQI
34AQI
39AQI
37AQI
37AQI
48AQI
50AQI
51AQI
52AQI
51AQI
59AQI
60AQI
66AQI
69AQI
69AQI
73AQI
64AQI
61AQI
48AQI
51AQI
56AQI
59AQI
56AQI
53AQI
53AQI
56AQI
59AQI
57AQI
55AQI
53AQI
50AQI
50AQI
50AQI
51AQI
51AQI
52AQI
52AQI
54AQI
45AQI
33AQI
31AQI
32AQI
33AQI
36AQI
38AQI
38AQI
43AQI
43AQI
34AQI
31AQI
30AQI
45AQI
33AQI
27AQI
26AQI
22AQI
23AQI
26AQI
25AQI
22AQI
24AQI
24AQI
24AQI
36AQI
36AQI
36AQI
35AQI
34AQI
35AQI
27AQI
32AQI
46AQI
59AQI
58AQI
58AQI
58AQI
60AQI
57AQI
53AQI
53AQI
53AQI
54AQI
52AQI
46AQI
38AQI
35AQI
31AQI
30AQI
32AQI
40AQI
45AQI
39AQI
35AQI
25AQI
23AQI
23AQI
23AQI
22AQI
30AQI
27AQI
25AQI
30AQI
36AQI
38AQI
30AQI
25AQI
24AQI
23AQI
27AQI
27AQI
23AQI
31AQI
36AQI
51AQI
49AQI
33AQI
55AQI
35AQI
43AQI
30AQI
No. of days
202541AQI
Highest AQI recorded in
June55AQI
Lowest AQI recorded in
September30AQI
Most & Least Polluted Years Over the Last 1 Years
Circoscrizione 1's annual 2025 AQI (41) shows an average percentage change of NaN% (improved AQI) compared to previous years: .