Treviglio, Bergamo, Lombardy, 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
Treviglio, Bergamo, Lombardy, Italy
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 48 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Treviglio, Bergamo, Lombardy, Italy
6 AM21st Sep 2025
7 PM
5 AM22nd Sep 2025
58AQI
40AQI
52AQI
36AQI
In the last 24 hours,
Treviglio's AQI reached its highest point of 58 at 11 AM during the Day, while the lowest point, 36, was recorded at 1 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Treviglio, Bergamo, Lombardy, Italy
19°C15/24°C
17°C14/22°C
19°C14/23°C
20°C16/25°C
20°C17/23°C
19°C16/22°C
18°C15/23°C
17°C14/22°C
19°C13/24°C
19°C15/24°C
18°C15/22°C
18°C13/24°C
20°C14/26°C
18°C14/24°C
18°C12/24°C
18°C13/24°C
19°C14/23°C
19°C16/23°C
18°C15/20°C
18°C14/23°C
18°C15/22°C
17°C14/21°C
18°C13/23°C
19°C15/24°C
20°C16/25°C
18°C15/23°C
19°C15/24°C
21°C16/26°C
22°C17/27°C
20°C16/25°C
--°C/°C
29AQI
27AQI
28AQI
26AQI
2025 Days Vs Air Quality
Treviglio, Bergamo, Lombardy, Italy
66%
174
34%
89
0.3%
1
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
Treviglio, Bergamo, Lombardy, Italy
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
87AQI
117AQI
72AQI
58AQI
61AQI
62AQI
52AQI
46AQI
44AQI
40AQI
49AQI
46AQI
46AQI
52AQI
57AQI
55AQI
54AQI
56AQI
58AQI
59AQI
67AQI
64AQI
55AQI
51AQI
52AQI
46AQI
45AQI
38AQI
37AQI
40AQI
45AQI
46AQI
53AQI
53AQI
54AQI
55AQI
57AQI
57AQI
62AQI
63AQI
64AQI
68AQI
60AQI
53AQI
50AQI
55AQI
61AQI
58AQI
61AQI
59AQI
65AQI
67AQI
65AQI
70AQI
80AQI
92AQI
82AQI
66AQI
48AQI
46AQI
47AQI
50AQI
53AQI
50AQI
53AQI
55AQI
55AQI
56AQI
56AQI
50AQI
45AQI
37AQI
38AQI
41AQI
38AQI
41AQI
37AQI
40AQI
48AQI
48AQI
45AQI
40AQI
39AQI
43AQI
48AQI
44AQI
42AQI
43AQI
31AQI
32AQI
33AQI
38AQI
41AQI
47AQI
50AQI
44AQI
37AQI
44AQI
46AQI
49AQI
51AQI
49AQI
46AQI
47AQI
38AQI
49AQI
37AQI
34AQI
33AQI
34AQI
37AQI
38AQI
36AQI
37AQI
31AQI
30AQI
33AQI
37AQI
40AQI
40AQI
49AQI
53AQI
53AQI
49AQI
45AQI
38AQI
44AQI
51AQI
51AQI
50AQI
50AQI
49AQI
51AQI
50AQI
52AQI
46AQI
45AQI
34AQI
46AQI
53AQI
54AQI
43AQI
38AQI
41AQI
47AQI
47AQI
42AQI
50AQI
42AQI
47AQI
51AQI
53AQI
50AQI
53AQI
49AQI
49AQI
51AQI
52AQI
53AQI
57AQI
61AQI
63AQI
65AQI
69AQI
68AQI
56AQI
51AQI
41AQI
44AQI
51AQI
56AQI
56AQI
55AQI
51AQI
51AQI
57AQI
57AQI
45AQI
43AQI
42AQI
43AQI
38AQI
37AQI
40AQI
43AQI
43AQI
44AQI
35AQI
22AQI
23AQI
28AQI
33AQI
32AQI
38AQI
38AQI
40AQI
43AQI
41AQI
26AQI
30AQI
42AQI
37AQI
24AQI
25AQI
23AQI
21AQI
29AQI
27AQI
23AQI
27AQI
22AQI
24AQI
27AQI
28AQI
25AQI
26AQI
29AQI
29AQI
26AQI
39AQI
54AQI
60AQI
57AQI
58AQI
61AQI
61AQI
57AQI
55AQI
52AQI
49AQI
49AQI
48AQI
38AQI
32AQI
31AQI
26AQI
27AQI
28AQI
35AQI
36AQI
27AQI
20AQI
18AQI
18AQI
19AQI
19AQI
31AQI
26AQI
20AQI
22AQI
26AQI
33AQI
31AQI
26AQI
24AQI
24AQI
23AQI
22AQI
23AQI
22AQI
25AQI
36AQI
45AQI
48AQI
55AQI
62AQI
45AQI
40AQI
47AQI
53AQI
32AQI
39AQI
27AQI
No. of days
202545AQI
Highest AQI recorded in
February62AQI
Lowest AQI recorded in
September27AQI
202436AQI
Highest AQI recorded in
February55AQI
Lowest AQI recorded in
May25AQI
202323AQI
Highest AQI recorded in
November30AQI
Lowest AQI recorded in
December23AQI
202268AQI
Highest AQI recorded in
January109AQI
Lowest AQI recorded in
August43AQI
202159AQI
Highest AQI recorded in
December96AQI
Lowest AQI recorded in
May31AQI
202054AQI
Highest AQI recorded in
November95AQI
Lowest AQI recorded in
June32AQI
Most & Least Polluted Years Over the Last 6 Years
Treviglio's annual 2025 AQI (45) shows an average percentage change of 8.3% (worsened AQI) compared to previous years: 2020 (54), 2021 (59), 2022 (68), 2023 (23), 2024 (36).