South Highway 103 Km, Bolzano, Trentino Alto Adige, 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
South Highway 103 Km, Bolzano, Trentino Alto Adige, Italy
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 67 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
South Highway 103 Km, Bolzano, Trentino Alto Adige, Italy
6 AM4th Oct 2025
7 PM
5 AM5th Oct 2025
68AQI
58AQI
81AQI
41AQI
In the last 24 hours,
South Highway 103 Km's AQI reached its highest point of 81 at 10 PM during the Night, while the lowest point, 41, was recorded at 5 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
South Highway 103 Km, Bolzano, Trentino Alto Adige, Italy
11°C5/19°C
12°C4/20°C
13°C7/20°C
14°C9/21°C
13°C11/16°C
12°C11/16°C
14°C9/20°C
13°C10/18°C
13°C10/17°C
13°C9/20°C
14°C9/20°C
15°C10/20°C
13°C7/20°C
15°C9/22°C
17°C11/25°C
17°C12/24°C
16°C12/22°C
12°C11/17°C
13°C10/17°C
11°C8/14°C
9°C4/14°C
7°C5/10°C
9°C5/14°C
9°C4/16°C
10°C5/16°C
10°C7/15°C
7°C2/15°C
5°C0/13°C
5°C-1/13°C
6°C2/12°C
--°C/°C
32AQI
26AQI
33AQI
27AQI
2025 Days Vs Air Quality
South Highway 103 Km, Bolzano, Trentino Alto Adige, Italy
84%
234
16%
43
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 278 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
South Highway 103 Km, Bolzano, Trentino Alto Adige, Italy
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
87AQI
63AQI
48AQI
48AQI
49AQI
47AQI
46AQI
43AQI
40AQI
34AQI
35AQI
40AQI
37AQI
45AQI
53AQI
47AQI
46AQI
49AQI
54AQI
57AQI
56AQI
54AQI
50AQI
43AQI
45AQI
44AQI
39AQI
29AQI
31AQI
34AQI
33AQI
37AQI
39AQI
39AQI
47AQI
51AQI
48AQI
51AQI
56AQI
58AQI
59AQI
59AQI
52AQI
51AQI
43AQI
31AQI
51AQI
55AQI
55AQI
56AQI
59AQI
58AQI
61AQI
54AQI
54AQI
59AQI
42AQI
34AQI
36AQI
32AQI
32AQI
36AQI
41AQI
45AQI
46AQI
45AQI
45AQI
52AQI
49AQI
36AQI
34AQI
31AQI
30AQI
26AQI
27AQI
31AQI
30AQI
38AQI
43AQI
47AQI
44AQI
31AQI
27AQI
27AQI
30AQI
28AQI
26AQI
30AQI
24AQI
24AQI
23AQI
25AQI
29AQI
32AQI
37AQI
23AQI
24AQI
28AQI
30AQI
37AQI
31AQI
32AQI
42AQI
30AQI
28AQI
25AQI
25AQI
20AQI
20AQI
21AQI
21AQI
21AQI
22AQI
21AQI
18AQI
19AQI
21AQI
23AQI
25AQI
26AQI
33AQI
39AQI
35AQI
30AQI
28AQI
23AQI
25AQI
27AQI
26AQI
26AQI
26AQI
28AQI
28AQI
28AQI
30AQI
28AQI
31AQI
30AQI
32AQI
29AQI
31AQI
25AQI
29AQI
23AQI
26AQI
27AQI
24AQI
23AQI
24AQI
23AQI
28AQI
32AQI
31AQI
29AQI
31AQI
29AQI
29AQI
32AQI
38AQI
45AQI
51AQI
56AQI
55AQI
57AQI
52AQI
41AQI
35AQI
31AQI
35AQI
43AQI
44AQI
41AQI
41AQI
41AQI
39AQI
48AQI
50AQI
33AQI
29AQI
28AQI
35AQI
30AQI
29AQI
32AQI
34AQI
35AQI
33AQI
27AQI
22AQI
21AQI
24AQI
25AQI
27AQI
28AQI
29AQI
29AQI
33AQI
23AQI
22AQI
25AQI
31AQI
28AQI
21AQI
22AQI
23AQI
24AQI
23AQI
21AQI
20AQI
20AQI
26AQI
30AQI
24AQI
24AQI
21AQI
23AQI
24AQI
26AQI
26AQI
35AQI
50AQI
58AQI
56AQI
58AQI
58AQI
60AQI
57AQI
55AQI
53AQI
46AQI
48AQI
45AQI
37AQI
29AQI
30AQI
25AQI
25AQI
30AQI
39AQI
44AQI
28AQI
24AQI
18AQI
20AQI
18AQI
18AQI
21AQI
22AQI
17AQI
20AQI
26AQI
35AQI
30AQI
23AQI
24AQI
23AQI
22AQI
21AQI
22AQI
19AQI
21AQI
27AQI
32AQI
34AQI
26AQI
23AQI
19AQI
12AQI
12AQI
11AQI
13AQI
35AQI
39AQI
54AQI
63AQI
63AQI
67AQI
46AQI
50AQI
35AQI
26AQI
28AQI
39AQI
26AQI
38AQI
23AQI
62AQI
No. of days
202535AQI
Highest AQI recorded in
October62AQI
Lowest AQI recorded in
September23AQI
202437AQI
Highest AQI recorded in
February99AQI
Lowest AQI recorded in
April17AQI
202353AQI
Highest AQI recorded in
December54AQI
Lowest AQI recorded in
November42AQI
202254AQI
Highest AQI recorded in
March78AQI
Lowest AQI recorded in
September37AQI
202139AQI
Highest AQI recorded in
December66AQI
Lowest AQI recorded in
January21AQI
202023AQI
Highest AQI recorded in
April33AQI
Lowest AQI recorded in
October19AQI
Most & Least Polluted Years Over the Last 6 Years
South Highway 103 Km's annual 2025 AQI (35) shows an average percentage change of -6.3% (improved AQI) compared to previous years: 2020 (23), 2021 (39), 2022 (54), 2023 (53), 2024 (37).