Piacenza, Emilia Romagna, 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
Piacenza, Emilia Romagna, Italy
AQI Trends: Highest and Lowest
Same Day Analysis (20th October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 100 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Oct - 22nd Oct 2025
Piacenza, Emilia Romagna, Italy
7 AM21st Oct 2025
6 PM
6 AM22nd Oct 2025
AQI
AQI
97AQI
71AQI
In the last 24 hours,
Piacenza's AQI reached its highest point of 97 at 10 PM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 21st Oct and 22nd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Piacenza, Emilia Romagna, Italy
20°C18/22°C
19°C16/25°C
18°C13/23°C
14°C11/19°C
14°C12/18°C
14°C12/18°C
15°C10/20°C
16°C12/22°C
16°C13/21°C
14°C12/18°C
14°C11/18°C
13°C9/18°C
15°C10/19°C
13°C10/17°C
13°C9/19°C
15°C10/20°C
16°C11/21°C
17°C13/22°C
17°C13/22°C
18°C14/23°C
17°C14/22°C
17°C15/21°C
17°C14/21°C
16°C12/21°C
15°C11/20°C
15°C12/19°C
14°C10/19°C
13°C10/17°C
12°C12/12°C
--°C/°C
--°C/°C
89AQI
76AQI
89AQI
77AQI
2025 Days Vs Air Quality
Piacenza, Emilia Romagna, Italy
67%
196
27%
78
6%
18
0.3%
1
Total number of days with different AQI categories in last 294 days in 2025 (71 days remaining)
Under WHO’s Safe Air Quality Limits: 67%
Health Risk Level:
Moderate
In 2025, 67% of 294 days were within WHO’s safe air quality limits, and 33% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Piacenza, Emilia Romagna, Italy
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
120AQI
157AQI
102AQI
93AQI
97AQI
82AQI
71AQI
60AQI
57AQI
47AQI
47AQI
38AQI
41AQI
44AQI
50AQI
46AQI
45AQI
71AQI
63AQI
55AQI
59AQI
59AQI
54AQI
53AQI
55AQI
47AQI
48AQI
46AQI
41AQI
42AQI
43AQI
39AQI
43AQI
47AQI
50AQI
51AQI
52AQI
53AQI
57AQI
54AQI
60AQI
64AQI
57AQI
55AQI
45AQI
49AQI
54AQI
54AQI
56AQI
56AQI
58AQI
63AQI
67AQI
82AQI
109AQI
131AQI
125AQI
113AQI
64AQI
41AQI
44AQI
45AQI
46AQI
49AQI
52AQI
55AQI
55AQI
55AQI
53AQI
53AQI
46AQI
37AQI
40AQI
40AQI
33AQI
35AQI
33AQI
38AQI
43AQI
46AQI
47AQI
42AQI
38AQI
39AQI
39AQI
43AQI
36AQI
37AQI
32AQI
31AQI
32AQI
33AQI
36AQI
41AQI
41AQI
36AQI
30AQI
36AQI
40AQI
47AQI
45AQI
41AQI
40AQI
37AQI
32AQI
30AQI
26AQI
23AQI
24AQI
24AQI
24AQI
31AQI
30AQI
28AQI
24AQI
23AQI
24AQI
28AQI
31AQI
32AQI
43AQI
49AQI
45AQI
38AQI
33AQI
23AQI
27AQI
33AQI
34AQI
36AQI
41AQI
35AQI
35AQI
34AQI
35AQI
27AQI
35AQI
31AQI
35AQI
42AQI
42AQI
30AQI
25AQI
29AQI
36AQI
38AQI
36AQI
40AQI
32AQI
33AQI
38AQI
39AQI
35AQI
34AQI
43AQI
44AQI
46AQI
48AQI
50AQI
56AQI
61AQI
66AQI
68AQI
70AQI
69AQI
60AQI
55AQI
45AQI
52AQI
57AQI
60AQI
59AQI
59AQI
53AQI
53AQI
57AQI
56AQI
45AQI
47AQI
47AQI
48AQI
45AQI
40AQI
43AQI
48AQI
44AQI
51AQI
38AQI
28AQI
27AQI
32AQI
36AQI
33AQI
39AQI
39AQI
47AQI
50AQI
47AQI
32AQI
39AQI
50AQI
42AQI
30AQI
33AQI
26AQI
26AQI
35AQI
29AQI
23AQI
26AQI
23AQI
26AQI
30AQI
31AQI
31AQI
32AQI
33AQI
35AQI
30AQI
46AQI
56AQI
63AQI
57AQI
57AQI
61AQI
60AQI
57AQI
53AQI
52AQI
52AQI
52AQI
50AQI
42AQI
35AQI
33AQI
30AQI
27AQI
30AQI
37AQI
40AQI
29AQI
22AQI
20AQI
20AQI
21AQI
21AQI
31AQI
27AQI
24AQI
24AQI
30AQI
34AQI
33AQI
27AQI
25AQI
24AQI
24AQI
26AQI
26AQI
25AQI
30AQI
42AQI
50AQI
49AQI
43AQI
37AQI
23AQI
30AQI
41AQI
51AQI
48AQI
54AQI
64AQI
53AQI
56AQI
72AQI
114AQI
107AQI
62AQI
79AQI
112AQI
135AQI
143AQI
149AQI
143AQI
137AQI
120AQI
102AQI
88AQI
79AQI
103AQI
113AQI
100AQI
62AQI
65AQI
43AQI
32AQI
35AQI
53AQI
36AQI
41AQI
33AQI
103AQI
No. of days
202548AQI
Highest AQI recorded in
October103AQI
Lowest AQI recorded in
April32AQI
202444AQI
Highest AQI recorded in
January75AQI
Lowest AQI recorded in
June28AQI
202364AQI
Highest AQI recorded in
December65AQI
Lowest AQI recorded in
March42AQI
202273AQI
Highest AQI recorded in
January104AQI
Lowest AQI recorded in
May54AQI
202166AQI
Highest AQI recorded in
December101AQI
Lowest AQI recorded in
May41AQI
202058AQI
Highest AQI recorded in
November86AQI
Lowest AQI recorded in
June43AQI
Most & Least Polluted Years Over the Last 6 Years
Piacenza's annual 2025 AQI (48) shows an average percentage change of -18.3% (improved AQI) compared to previous years: 2020 (58), 2021 (66), 2022 (73), 2023 (64), 2024 (44).