Bratislava, Bratislava Region, Slovakia 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
Bratislava, Bratislava Region, Slovakia
AQI Trends: Highest and Lowest
Same Day Analysis (4th June):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 21 of Good air quality, showing improvement over 2025 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
Bratislava, Bratislava Region, Slovakia
5 AM3rd Jun 2026
8 PM
4 AM4th Jun 2026
30AQI
10AQI
24AQI
10AQI
In the last 24 hours,
Bratislava's AQI reached its highest point of 30 at 6 AM during the Day, while the lowest point, 10, was recorded at 3 AM during the Night between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Bratislava, Bratislava Region, Slovakia
18°C14/24°C
15°C12/19°C
15°C11/21°C
14°C9/21°C
15°C8/22°C
15°C12/20°C
11°C6/14°C
10°C3/16°C
11°C6/17°C
11°C9/15°C
10°C9/11°C
11°C6/15°C
12°C5/19°C
15°C7/21°C
16°C10/21°C
17°C11/22°C
17°C10/23°C
18°C11/25°C
21°C13/28°C
22°C16/27°C
21°C13/29°C
22°C16/29°C
17°C10/23°C
17°C9/24°C
17°C12/23°C
18°C11/26°C
17°C14/21°C
19°C12/25°C
15°C12/16°C
18°C10/25°C
34AQI
28AQI
37AQI
31AQI
2026 Days Vs Air Quality
Bratislava, Bratislava Region, Slovakia
63%
95
31%
47
7%
10
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 63%
Health Risk Level:
Moderate
In 2026, 63% of 155 days were within WHO’s safe air quality limits, and 37% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Bratislava, Bratislava Region, Slovakia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
42AQI (US)
37AQI (US)
30AQI (US)
43AQI (US)
62AQI (US)
49AQI (US)
63AQI (US)
64AQI (US)
74AQI (US)
102AQI (US)
41AQI (US)
47AQI (US)
74AQI (US)
102AQI (US)
115AQI (US)
115AQI (US)
78AQI (US)
74AQI (US)
81AQI (US)
84AQI (US)
94AQI (US)
119AQI (US)
136AQI (US)
150AQI (US)
82AQI (US)
57AQI (US)
56AQI (US)
50AQI (US)
31AQI (US)
66AQI (US)
82AQI (US)
97AQI (US)
112AQI (US)
52AQI (US)
35AQI (US)
42AQI (US)
64AQI (US)
42AQI (US)
52AQI (US)
64AQI (US)
63AQI (US)
64AQI (US)
52AQI (US)
14AQI (US)
30AQI (US)
22AQI (US)
38AQI (US)
53AQI (US)
16AQI (US)
28AQI (US)
57AQI (US)
68AQI (US)
108AQI (US)
24AQI (US)
12AQI (US)
31AQI (US)
43AQI (US)
58AQI (US)
58AQI (US)
65AQI (US)
66AQI (US)
82AQI (US)
111AQI (US)
92AQI (US)
60AQI (US)
70AQI (US)
58AQI (US)
52AQI (US)
58AQI (US)
68AQI (US)
54AQI (US)
34AQI (US)
46AQI (US)
47AQI (US)
35AQI (US)
35AQI (US)
60AQI (US)
34AQI (US)
56AQI (US)
64AQI (US)
36AQI (US)
34AQI (US)
48AQI (US)
57AQI (US)
11AQI (US)
18AQI (US)
30AQI (US)
27AQI (US)
25AQI (US)
35AQI (US)
42AQI (US)
40AQI (US)
38AQI (US)
31AQI (US)
29AQI (US)
30AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
42AQI (US)
44AQI (US)
46AQI (US)
41AQI (US)
41AQI (US)
67AQI (US)
68AQI (US)
36AQI (US)
45AQI (US)
14AQI (US)
22AQI (US)
36AQI (US)
34AQI (US)
25AQI (US)
18AQI (US)
18AQI (US)
23AQI (US)
24AQI (US)
20AQI (US)
26AQI (US)
25AQI (US)
22AQI (US)
28AQI (US)
30AQI (US)
34AQI (US)
18AQI (US)
20AQI (US)
23AQI (US)
27AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
25AQI (US)
37AQI (US)
45AQI (US)
30AQI (US)
32AQI (US)
36AQI (US)
48AQI (US)
36AQI (US)
34AQI (US)
42AQI (US)
48AQI (US)
54AQI (US)
55AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
24AQI (US)
21AQI (US)
74AQI (US)
50AQI (US)
51AQI (US)
34AQI (US)
31AQI (US)
25AQI (US)
No. of days
202648AQI (US)
Highest AQI (US) recorded in
January74AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202546AQI (US)
Highest AQI (US) recorded in
December59AQI (US)
Lowest AQI (US) recorded in
May33AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Bratislava's annual 2026 AQI (US) (48) shows an average percentage change of 4.3% (worsened AQI (US)) compared to previous years: 2025 (46).