One Hundred, Bologna, Emilia Romagna, Italy Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
One Hundred, Bologna, Emilia Romagna, Italy
AQI Trends: Highest and Lowest
Same Day Analysis (4th June):
On this day, AQI across the 4 years varied significantly: 2026 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2025, 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
One Hundred, Bologna, Emilia Romagna, Italy
5 AM3rd Jun 2026
8 PM
4 AM4th Jun 2026
42AQI
8AQI
27AQI
8AQI
In the last 24 hours,
One Hundred's AQI reached its highest point of 42 at 11 AM during the Day, while the lowest point, 8, was recorded at 2 AM during the Night between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
One Hundred, Bologna, Emilia Romagna, Italy
15°C11/21°C
15°C9/21°C
15°C10/20°C
17°C11/23°C
16°C13/20°C
17°C12/22°C
16°C11/21°C
13°C9/17°C
14°C9/21°C
12°C8/16°C
12°C9/18°C
14°C8/21°C
15°C9/22°C
15°C9/21°C
17°C11/23°C
19°C13/25°C
20°C14/25°C
20°C14/26°C
22°C16/29°C
24°C18/30°C
25°C19/32°C
26°C20/32°C
23°C18/30°C
21°C17/27°C
23°C16/29°C
23°C18/30°C
21°C17/28°C
21°C16/28°C
19°C15/26°C
20°C14/28°C
48AQI
29AQI
43AQI
38AQI
2026 Days Vs Air Quality
One Hundred, Bologna, Emilia Romagna, Italy
38%
57
36%
54
26%
40
0.6%
1
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 38%
Health Risk Level:
High
In 2026, 38% of 155 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
One Hundred, Bologna, Emilia Romagna, Italy
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
107AQI (US)
125AQI (US)
118AQI (US)
99AQI (US)
78AQI (US)
88AQI (US)
95AQI (US)
77AQI (US)
122AQI (US)
116AQI (US)
75AQI (US)
81AQI (US)
111AQI (US)
116AQI (US)
138AQI (US)
134AQI (US)
121AQI (US)
91AQI (US)
73AQI (US)
88AQI (US)
105AQI (US)
141AQI (US)
156AQI (US)
112AQI (US)
96AQI (US)
99AQI (US)
86AQI (US)
74AQI (US)
94AQI (US)
123AQI (US)
120AQI (US)
110AQI (US)
107AQI (US)
88AQI (US)
71AQI (US)
49AQI (US)
53AQI (US)
103AQI (US)
122AQI (US)
123AQI (US)
106AQI (US)
85AQI (US)
84AQI (US)
84AQI (US)
52AQI (US)
32AQI (US)
62AQI (US)
66AQI (US)
47AQI (US)
55AQI (US)
78AQI (US)
58AQI (US)
105AQI (US)
130AQI (US)
130AQI (US)
133AQI (US)
141AQI (US)
143AQI (US)
129AQI (US)
123AQI (US)
115AQI (US)
124AQI (US)
121AQI (US)
117AQI (US)
121AQI (US)
121AQI (US)
140AQI (US)
122AQI (US)
118AQI (US)
118AQI (US)
102AQI (US)
97AQI (US)
61AQI (US)
39AQI (US)
64AQI (US)
45AQI (US)
39AQI (US)
70AQI (US)
70AQI (US)
84AQI (US)
83AQI (US)
89AQI (US)
83AQI (US)
65AQI (US)
26AQI (US)
32AQI (US)
36AQI (US)
56AQI (US)
63AQI (US)
54AQI (US)
16AQI (US)
33AQI (US)
43AQI (US)
37AQI (US)
60AQI (US)
62AQI (US)
59AQI (US)
49AQI (US)
28AQI (US)
29AQI (US)
56AQI (US)
76AQI (US)
52AQI (US)
66AQI (US)
75AQI (US)
66AQI (US)
47AQI (US)
49AQI (US)
69AQI (US)
22AQI (US)
37AQI (US)
42AQI (US)
42AQI (US)
53AQI (US)
44AQI (US)
40AQI (US)
47AQI (US)
14AQI (US)
19AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
45AQI (US)
48AQI (US)
36AQI (US)
42AQI (US)
56AQI (US)
49AQI (US)
34AQI (US)
35AQI (US)
23AQI (US)
33AQI (US)
37AQI (US)
41AQI (US)
31AQI (US)
35AQI (US)
35AQI (US)
38AQI (US)
36AQI (US)
38AQI (US)
48AQI (US)
47AQI (US)
47AQI (US)
72AQI (US)
64AQI (US)
24AQI (US)
26AQI (US)
33AQI (US)
35AQI (US)
37AQI (US)
19AQI (US)
24AQI (US)
105AQI (US)
91AQI (US)
84AQI (US)
47AQI (US)
38AQI (US)
29AQI (US)
No. of days
202672AQI (US)
Highest AQI (US) recorded in
January105AQI (US)
Lowest AQI (US) recorded in
June29AQI (US)
202557AQI (US)
Highest AQI (US) recorded in
December106AQI (US)
Lowest AQI (US) recorded in
September30AQI (US)
202440AQI (US)
Highest AQI (US) recorded in
April59AQI (US)
Lowest AQI (US) recorded in
June28AQI (US)
202338AQI (US)
Highest AQI (US) recorded in
March38AQI (US)
Lowest AQI (US) recorded in
March38AQI (US)
202263AQI (US)
Highest AQI (US) recorded in
January88AQI (US)
Lowest AQI (US) recorded in
April40AQI (US)
202150AQI (US)
Highest AQI (US) recorded in
December86AQI (US)
Lowest AQI (US) recorded in
January37AQI (US)
202041AQI (US)
Highest AQI (US) recorded in
July51AQI (US)
Lowest AQI (US) recorded in
October29AQI (US)
Most & Least Polluted Years Over the Last 7 Years
One Hundred's annual 2026 AQI (US) (72) shows an average percentage change of 54.9% (worsened AQI (US)) compared to previous years: 2020 (41), 2021 (50), 2022 (63), 2023 (38), 2024 (40), 2025 (57).