Viterbo, Amelia, Umbria, Italy Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
November Air Quality Analysis
Viterbo, Amelia, Umbria, Italy
AQI Trends: Highest and Lowest
Same Day Analysis (5th November ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 62 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Nov - 6th Nov 2025
Viterbo, Amelia, Umbria, Italy
7 AM5th Nov 2025
6 PM
6 AM6th Nov 2025
AQI
AQI
91AQI
41AQI
In the last 24 hours,
Viterbo's AQI reached its highest point of 91 at 12 AM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 5th Nov and 6th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Viterbo, Amelia, Umbria, Italy
14°C8/22°C
16°C10/24°C
16°C11/23°C
17°C13/24°C
17°C12/25°C
17°C12/24°C
17°C12/24°C
16°C12/23°C
16°C12/22°C
14°C9/22°C
14°C9/21°C
15°C9/21°C
15°C10/22°C
15°C11/20°C
14°C12/17°C
16°C12/21°C
16°C13/20°C
14°C10/19°C
15°C10/19°C
16°C12/19°C
13°C10/18°C
14°C10/21°C
15°C12/19°C
16°C14/18°C
17°C14/22°C
16°C13/22°C
15°C13/19°C
15°C11/19°C
12°C8/18°C
--°C/°C
--°C/°C
67AQI
57AQI
72AQI
60AQI
2025 Days Vs Air Quality
Viterbo, Amelia, Umbria, Italy
71%
220
28%
86
0.9%
3
Total number of days with different AQI categories in last 309 days in 2025 (56 days remaining)
Under WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2025, 71% of 309 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
Viterbo, Amelia, Umbria, Italy
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
89AQI
72AQI
69AQI
67AQI
69AQI
68AQI
62AQI
63AQI
48AQI
42AQI
38AQI
34AQI
36AQI
48AQI
51AQI
47AQI
44AQI
49AQI
50AQI
53AQI
52AQI
55AQI
54AQI
49AQI
53AQI
52AQI
48AQI
41AQI
37AQI
38AQI
38AQI
37AQI
41AQI
43AQI
46AQI
49AQI
53AQI
56AQI
53AQI
56AQI
57AQI
52AQI
58AQI
56AQI
47AQI
37AQI
46AQI
50AQI
52AQI
54AQI
54AQI
60AQI
65AQI
81AQI
102AQI
118AQI
109AQI
85AQI
51AQI
37AQI
39AQI
43AQI
42AQI
46AQI
49AQI
56AQI
54AQI
53AQI
55AQI
50AQI
51AQI
37AQI
41AQI
46AQI
38AQI
33AQI
33AQI
35AQI
43AQI
45AQI
47AQI
45AQI
34AQI
40AQI
47AQI
39AQI
39AQI
37AQI
28AQI
32AQI
30AQI
32AQI
31AQI
38AQI
39AQI
33AQI
29AQI
32AQI
36AQI
39AQI
45AQI
38AQI
43AQI
42AQI
40AQI
39AQI
41AQI
26AQI
21AQI
22AQI
24AQI
27AQI
31AQI
28AQI
27AQI
27AQI
26AQI
29AQI
30AQI
31AQI
36AQI
36AQI
40AQI
37AQI
33AQI
25AQI
25AQI
22AQI
23AQI
26AQI
26AQI
28AQI
30AQI
28AQI
28AQI
26AQI
29AQI
28AQI
27AQI
31AQI
30AQI
30AQI
22AQI
22AQI
22AQI
24AQI
27AQI
27AQI
24AQI
22AQI
26AQI
28AQI
30AQI
28AQI
32AQI
34AQI
40AQI
43AQI
41AQI
50AQI
56AQI
60AQI
61AQI
60AQI
58AQI
54AQI
52AQI
44AQI
43AQI
47AQI
47AQI
46AQI
47AQI
45AQI
47AQI
49AQI
50AQI
50AQI
42AQI
33AQI
36AQI
36AQI
38AQI
37AQI
40AQI
46AQI
47AQI
41AQI
36AQI
37AQI
32AQI
29AQI
31AQI
31AQI
31AQI
31AQI
34AQI
36AQI
32AQI
30AQI
36AQI
38AQI
31AQI
26AQI
27AQI
26AQI
26AQI
28AQI
27AQI
26AQI
22AQI
23AQI
28AQI
30AQI
31AQI
32AQI
32AQI
31AQI
36AQI
41AQI
46AQI
45AQI
48AQI
56AQI
58AQI
59AQI
55AQI
56AQI
55AQI
51AQI
49AQI
42AQI
41AQI
34AQI
30AQI
28AQI
27AQI
25AQI
30AQI
33AQI
31AQI
28AQI
23AQI
21AQI
19AQI
21AQI
23AQI
24AQI
23AQI
26AQI
30AQI
31AQI
28AQI
24AQI
23AQI
23AQI
22AQI
22AQI
22AQI
22AQI
22AQI
22AQI
24AQI
25AQI
26AQI
26AQI
19AQI
20AQI
31AQI
17AQI
33AQI
56AQI
60AQI
61AQI
55AQI
57AQI
64AQI
65AQI
55AQI
63AQI
72AQI
73AQI
75AQI
85AQI
77AQI
72AQI
75AQI
75AQI
66AQI
65AQI
77AQI
79AQI
77AQI
67AQI
65AQI
49AQI
51AQI
55AQI
53AQI
52AQI
58AQI
57AQI
52AQI
61AQI
64AQI
62AQI
45AQI
56AQI
62AQI
52AQI
60AQI
42AQI
33AQI
28AQI
45AQI
33AQI
39AQI
26AQI
65AQI
58AQI
No. of days
202542AQI
Highest AQI recorded in
October65AQI
Lowest AQI recorded in
September26AQI
202440AQI
Highest AQI recorded in
April76AQI
Lowest AQI recorded in
May25AQI
202346AQI
Highest AQI recorded in
December47AQI
Lowest AQI recorded in
March40AQI
202245AQI
Highest AQI recorded in
May56AQI
Lowest AQI recorded in
April36AQI
202139AQI
Highest AQI recorded in
February50AQI
Lowest AQI recorded in
May29AQI
202038AQI
Highest AQI recorded in
November49AQI
Lowest AQI recorded in
June27AQI
Most & Least Polluted Years Over the Last 6 Years
Viterbo's annual 2025 AQI (42) shows an average percentage change of 2.6% (worsened AQI) compared to previous years: 2020 (38), 2021 (39), 2022 (45), 2023 (46), 2024 (40).