Cassana, Ferrara, Emilia Romagna, Italy Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Cassana, Ferrara, Emilia Romagna, Italy
AQI Trends: Highest and Lowest
Same Day Analysis (6th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 32 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Cassana, Ferrara, Emilia Romagna, Italy
5 AM7th Aug 2025
8 PM
4 AM8th Aug 2025
34AQI
25AQI
42AQI
28AQI
In the last 24 hours,
Cassana's AQI reached its highest point of 42 at 4 AM during the Night, while the lowest point, 25, was recorded at 5 PM during the Day between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Cassana, Ferrara, Emilia Romagna, Italy
19°C12/27°C
21°C16/26°C
21°C16/28°C
23°C16/30°C
23°C17/32°C
24°C19/29°C
26°C21/32°C
25°C20/32°C
24°C18/31°C
24°C19/29°C
25°C20/31°C
27°C21/35°C
28°C21/37°C
25°C19/31°C
25°C20/32°C
26°C20/32°C
21°C18/23°C
21°C17/27°C
23°C16/31°C
19°C17/20°C
21°C17/26°C
21°C16/27°C
22°C17/28°C
24°C18/31°C
21°C17/29°C
20°C16/25°C
22°C17/28°C
24°C19/30°C
24°C19/30°C
24°C19/30°C
--°C/°C
33AQI
30AQI
32AQI
32AQI
2025 Days Vs Air Quality
Cassana, Ferrara, Emilia Romagna, Italy
71%
154
24%
53
4%
9
0.9%
2
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Under WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2025, 71% of 220 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
Cassana, Ferrara, Emilia Romagna, Italy
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
133AQI
121AQI
116AQI
119AQI
127AQI
106AQI
87AQI
100AQI
73AQI
48AQI
39AQI
35AQI
37AQI
41AQI
41AQI
40AQI
44AQI
73AQI
60AQI
58AQI
76AQI
74AQI
60AQI
60AQI
62AQI
54AQI
54AQI
46AQI
41AQI
45AQI
45AQI
39AQI
43AQI
51AQI
51AQI
51AQI
49AQI
55AQI
56AQI
54AQI
68AQI
73AQI
61AQI
57AQI
48AQI
51AQI
51AQI
55AQI
57AQI
57AQI
59AQI
74AQI
79AQI
103AQI
137AQI
153AQI
156AQI
142AQI
74AQI
46AQI
50AQI
49AQI
49AQI
51AQI
57AQI
58AQI
59AQI
60AQI
57AQI
58AQI
48AQI
38AQI
43AQI
47AQI
32AQI
34AQI
36AQI
42AQI
47AQI
50AQI
54AQI
47AQI
44AQI
42AQI
37AQI
42AQI
34AQI
39AQI
28AQI
28AQI
31AQI
33AQI
40AQI
44AQI
43AQI
38AQI
29AQI
38AQI
39AQI
42AQI
51AQI
45AQI
46AQI
35AQI
42AQI
33AQI
27AQI
30AQI
25AQI
25AQI
28AQI
34AQI
34AQI
34AQI
24AQI
18AQI
23AQI
34AQI
36AQI
36AQI
43AQI
46AQI
46AQI
36AQI
29AQI
19AQI
20AQI
21AQI
23AQI
29AQI
36AQI
39AQI
31AQI
31AQI
35AQI
24AQI
24AQI
23AQI
30AQI
39AQI
39AQI
32AQI
19AQI
21AQI
28AQI
33AQI
34AQI
32AQI
31AQI
26AQI
28AQI
30AQI
30AQI
31AQI
36AQI
39AQI
40AQI
46AQI
49AQI
57AQI
60AQI
66AQI
68AQI
67AQI
68AQI
63AQI
56AQI
41AQI
44AQI
51AQI
58AQI
50AQI
49AQI
49AQI
50AQI
54AQI
55AQI
46AQI
39AQI
36AQI
39AQI
43AQI
40AQI
41AQI
50AQI
43AQI
49AQI
30AQI
28AQI
28AQI
26AQI
27AQI
28AQI
34AQI
35AQI
47AQI
44AQI
38AQI
29AQI
31AQI
37AQI
40AQI
31AQI
33AQI
30AQI
26AQI
33AQI
31AQI
23AQI
24AQI
23AQI
25AQI
29AQI
31AQI
29AQI
32AQI
31AQI
32AQI
68AQI
72AQI
45AQI
35AQI
31AQI
49AQI
34AQI
31AQI
No. of days
202547AQI
Highest AQI recorded in
February72AQI
Lowest AQI recorded in
May31AQI
202442AQI
Highest AQI recorded in
April64AQI
Lowest AQI recorded in
May28AQI
202390AQI
Highest AQI recorded in
December96AQI
Lowest AQI recorded in
March53AQI
202262AQI
Highest AQI recorded in
January89AQI
Lowest AQI recorded in
April38AQI
202153AQI
Highest AQI recorded in
December90AQI
Lowest AQI recorded in
May31AQI
202051AQI
Highest AQI recorded in
November82AQI
Lowest AQI recorded in
May33AQI
Most & Least Polluted Years Over the Last 6 Years
Cassana's annual 2025 AQI (47) shows an average percentage change of -16.4% (improved AQI) compared to previous years: 2020 (51), 2021 (53), 2022 (62), 2023 (90), 2024 (42).