Bratislava, Bratislavsky, Slovakia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Bratislava, Bratislavsky, Slovakia
AQI Trends: Highest and Lowest
Same Day Analysis (29th July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 30 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Jul - 30th Jul 2025
Bratislava, Bratislavsky, Slovakia
5 AM29th Jul 2025
8 PM
4 AM30th Jul 2025
41AQI
21AQI
31AQI
18AQI
In the last 24 hours,
Bratislava's AQI reached its highest point of 41 at 11 AM during the Day, while the lowest point, 18, was recorded at 3 AM during the Night between 29th Jul and 30th Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Bratislava, Bratislavsky, Slovakia
25°C18/32°C
23°C15/32°C
26°C15/36°C
26°C17/37°C
22°C16/28°C
23°C14/32°C
25°C17/36°C
17°C15/20°C
15°C13/16°C
17°C12/22°C
18°C14/24°C
18°C12/24°C
20°C13/27°C
22°C14/31°C
24°C17/32°C
23°C18/31°C
20°C14/26°C
18°C14/23°C
18°C14/23°C
22°C14/29°C
25°C17/32°C
24°C16/34°C
22°C14/29°C
24°C18/30°C
23°C17/33°C
22°C16/29°C
20°C17/25°C
18°C16/21°C
19°C14/25°C
19°C15/24°C
--°C/°C
34AQI
29AQI
32AQI
31AQI
2025 Days Vs Air Quality
Bratislava, Bratislavsky, Slovakia
66%
139
31%
65
3%
6
Total number of days with different AQI categories in last 211 days in 2025 (154 days remaining)
Under WHO’s Safe Air Quality Limits: 66%
Health Risk Level:
Moderate
In 2025, 66% of 211 days were within WHO’s safe air quality limits, and 34% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Bratislava, Bratislavsky, Slovakia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
76AQI
64AQI
36AQI
26AQI
58AQI
71AQI
51AQI
35AQI
44AQI
23AQI
26AQI
20AQI
27AQI
56AQI
65AQI
83AQI
108AQI
67AQI
73AQI
55AQI
59AQI
58AQI
59AQI
70AQI
68AQI
68AQI
52AQI
43AQI
26AQI
49AQI
48AQI
45AQI
62AQI
51AQI
79AQI
104AQI
62AQI
110AQI
74AQI
67AQI
79AQI
90AQI
86AQI
80AQI
81AQI
84AQI
52AQI
82AQI
74AQI
83AQI
83AQI
76AQI
81AQI
98AQI
121AQI
142AQI
142AQI
90AQI
43AQI
50AQI
49AQI
61AQI
81AQI
83AQI
82AQI
80AQI
92AQI
94AQI
66AQI
49AQI
44AQI
37AQI
44AQI
41AQI
57AQI
45AQI
33AQI
54AQI
61AQI
69AQI
65AQI
51AQI
68AQI
71AQI
65AQI
66AQI
72AQI
47AQI
58AQI
22AQI
50AQI
69AQI
60AQI
47AQI
46AQI
22AQI
19AQI
28AQI
32AQI
34AQI
37AQI
40AQI
45AQI
44AQI
55AQI
43AQI
53AQI
34AQI
21AQI
30AQI
42AQI
31AQI
39AQI
31AQI
18AQI
37AQI
32AQI
41AQI
51AQI
50AQI
50AQI
49AQI
56AQI
32AQI
28AQI
33AQI
41AQI
36AQI
31AQI
32AQI
29AQI
28AQI
34AQI
46AQI
31AQI
18AQI
23AQI
19AQI
20AQI
32AQI
37AQI
45AQI
22AQI
27AQI
30AQI
27AQI
30AQI
30AQI
18AQI
27AQI
47AQI
43AQI
46AQI
31AQI
47AQI
42AQI
36AQI
49AQI
22AQI
28AQI
36AQI
48AQI
43AQI
42AQI
39AQI
48AQI
42AQI
37AQI
40AQI
50AQI
41AQI
35AQI
37AQI
48AQI
44AQI
43AQI
43AQI
39AQI
32AQI
33AQI
36AQI
33AQI
34AQI
44AQI
43AQI
42AQI
42AQI
39AQI
31AQI
26AQI
23AQI
24AQI
23AQI
29AQI
32AQI
30AQI
35AQI
28AQI
24AQI
26AQI
33AQI
46AQI
32AQI
27AQI
35AQI
36AQI
43AQI
43AQI
34AQI
30AQI
54AQI
83AQI
60AQI
39AQI
33AQI
40AQI
33AQI
No. of days
202549AQI
Highest AQI recorded in
February83AQI
Lowest AQI recorded in
May33AQI
202445AQI
Highest AQI recorded in
December55AQI
Lowest AQI recorded in
May34AQI
202344AQI
Highest AQI recorded in
December51AQI
Lowest AQI recorded in
November31AQI
202247AQI
Highest AQI recorded in
December72AQI
Lowest AQI recorded in
September29AQI
202149AQI
Highest AQI recorded in
February70AQI
Lowest AQI recorded in
August22AQI
202046AQI
Highest AQI recorded in
March64AQI
Lowest AQI recorded in
October35AQI
Most & Least Polluted Years Over the Last 6 Years
Bratislava's annual 2025 AQI (49) shows an average percentage change of 5.4% (worsened AQI) compared to previous years: 2020 (46), 2021 (49), 2022 (47), 2023 (44), 2024 (45).