Asti, Piedmont, Italy 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
Asti, Piedmont, Italy
AQI Trends: Highest and Lowest
Same Day Analysis (10th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 128 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Oct - 11th Oct 2025
Asti, Piedmont, Italy
7 AM10th Oct 2025
7 PM
6 AM11th Oct 2025
134AQI
88AQI
151AQI
93AQI
In the last 24 hours,
Asti's AQI reached its highest point of 151 at 10 PM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 10th Oct and 11th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Asti, Piedmont, Italy
19°C15/25°C
20°C16/26°C
18°C16/22°C
19°C15/25°C
20°C16/25°C
21°C17/27°C
19°C15/23°C
20°C16/25°C
21°C17/26°C
22°C18/27°C
21°C18/27°C
18°C16/21°C
18°C14/22°C
14°C10/19°C
13°C10/18°C
13°C11/15°C
13°C11/15°C
14°C10/20°C
15°C11/21°C
15°C12/19°C
14°C11/17°C
13°C10/18°C
12°C8/16°C
13°C9/16°C
13°C9/19°C
13°C9/19°C
15°C10/20°C
15°C11/20°C
16°C12/21°C
17°C13/22°C
--°C/°C
50AQI
46AQI
55AQI
47AQI
2025 Days Vs Air Quality
Asti, Piedmont, Italy
65%
184
34%
97
0.7%
2
Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)
Under WHO’s Safe Air Quality Limits: 65%
Health Risk Level:
Moderate
In 2025, 65% of 284 days were within WHO’s safe air quality limits, and 35% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Asti, Piedmont, Italy
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
78AQI
90AQI
85AQI
78AQI
93AQI
82AQI
73AQI
65AQI
62AQI
52AQI
50AQI
46AQI
45AQI
52AQI
61AQI
75AQI
59AQI
73AQI
62AQI
62AQI
52AQI
53AQI
56AQI
63AQI
63AQI
54AQI
56AQI
56AQI
48AQI
46AQI
50AQI
33AQI
42AQI
46AQI
56AQI
62AQI
59AQI
58AQI
59AQI
53AQI
58AQI
59AQI
56AQI
55AQI
50AQI
50AQI
53AQI
56AQI
57AQI
59AQI
60AQI
66AQI
78AQI
64AQI
67AQI
55AQI
42AQI
39AQI
45AQI
50AQI
50AQI
52AQI
52AQI
51AQI
52AQI
54AQI
53AQI
55AQI
51AQI
50AQI
44AQI
39AQI
38AQI
40AQI
35AQI
35AQI
34AQI
43AQI
45AQI
46AQI
48AQI
47AQI
44AQI
44AQI
42AQI
50AQI
41AQI
45AQI
43AQI
39AQI
35AQI
33AQI
34AQI
43AQI
46AQI
39AQI
34AQI
44AQI
45AQI
49AQI
46AQI
52AQI
51AQI
51AQI
46AQI
36AQI
47AQI
45AQI
42AQI
39AQI
37AQI
32AQI
30AQI
26AQI
25AQI
25AQI
24AQI
27AQI
30AQI
31AQI
35AQI
39AQI
38AQI
37AQI
30AQI
22AQI
25AQI
27AQI
29AQI
30AQI
32AQI
28AQI
27AQI
25AQI
24AQI
23AQI
22AQI
28AQI
30AQI
33AQI
32AQI
28AQI
28AQI
29AQI
31AQI
31AQI
31AQI
31AQI
30AQI
28AQI
31AQI
34AQI
35AQI
34AQI
38AQI
37AQI
37AQI
46AQI
44AQI
53AQI
60AQI
63AQI
64AQI
64AQI
65AQI
61AQI
56AQI
44AQI
47AQI
50AQI
53AQI
56AQI
59AQI
54AQI
52AQI
52AQI
52AQI
51AQI
51AQI
50AQI
51AQI
49AQI
50AQI
48AQI
48AQI
49AQI
51AQI
42AQI
40AQI
35AQI
31AQI
36AQI
39AQI
42AQI
40AQI
47AQI
48AQI
50AQI
45AQI
45AQI
47AQI
47AQI
41AQI
38AQI
31AQI
28AQI
31AQI
29AQI
27AQI
25AQI
25AQI
25AQI
33AQI
39AQI
36AQI
35AQI
34AQI
40AQI
33AQI
40AQI
52AQI
57AQI
57AQI
58AQI
60AQI
62AQI
60AQI
58AQI
56AQI
55AQI
55AQI
53AQI
45AQI
39AQI
34AQI
33AQI
29AQI
32AQI
40AQI
40AQI
25AQI
18AQI
17AQI
18AQI
22AQI
21AQI
42AQI
31AQI
25AQI
29AQI
32AQI
42AQI
38AQI
29AQI
26AQI
26AQI
28AQI
31AQI
32AQI
31AQI
32AQI
34AQI
39AQI
42AQI
35AQI
32AQI
25AQI
30AQI
31AQI
24AQI
30AQI
55AQI
56AQI
64AQI
65AQI
74AQI
96AQI
75AQI
67AQI
73AQI
94AQI
128AQI
128AQI
63AQI
55AQI
46AQI
38AQI
29AQI
50AQI
40AQI
43AQI
32AQI
86AQI
No. of days
202545AQI
Highest AQI recorded in
October86AQI
Lowest AQI recorded in
May29AQI
202446AQI
Highest AQI recorded in
November70AQI
Lowest AQI recorded in
June28AQI
202346AQI
Highest AQI recorded in
June59AQI
Lowest AQI recorded in
October32AQI
202245AQI
Highest AQI recorded in
July61AQI
Lowest AQI recorded in
January11AQI
202155AQI
Highest AQI recorded in
January98AQI
Lowest AQI recorded in
December18AQI
202064AQI
Highest AQI recorded in
November111AQI
Lowest AQI recorded in
February13AQI
Most & Least Polluted Years Over the Last 6 Years
Asti's annual 2025 AQI (45) shows an average percentage change of -9.3% (improved AQI) compared to previous years: 2020 (64), 2021 (55), 2022 (45), 2023 (46), 2024 (46).