Vienna, Wien, Austria 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
Vienna, Wien, Austria
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 22 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Vienna, Wien, Austria
5 AM1st Aug 2025
8 PM
4 AM2nd Aug 2025
24AQI
19AQI
28AQI
19AQI
In the last 24 hours,
Vienna's AQI reached its highest point of 28 at 12 AM during the Night, while the lowest point, 19, was recorded at 3 AM during the Night between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Vienna, Wien, Austria
25°C19/36°C
22°C18/27°C
24°C15/31°C
25°C19/34°C
17°C16/21°C
14°C13/14°C
17°C12/22°C
17°C13/20°C
18°C13/22°C
20°C14/26°C
23°C16/32°C
23°C18/30°C
23°C18/29°C
19°C14/25°C
18°C14/22°C
19°C15/24°C
23°C15/29°C
25°C18/33°C
22°C16/30°C
22°C16/28°C
23°C18/29°C
22°C17/30°C
22°C17/28°C
19°C18/20°C
18°C17/19°C
19°C16/23°C
18°C15/21°C
19°C13/25°C
20°C15/25°C
21°C15/26°C
--°C/°C
26AQI
26AQI
26AQI
26AQI
2025 Days Vs Air Quality
Vienna, Wien, Austria
70%
149
30%
64
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 70%
Health Risk Level:
Low
In 2025, 70% of 214 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
Vienna, Wien, Austria
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
87AQI
78AQI
37AQI
39AQI
60AQI
69AQI
48AQI
30AQI
56AQI
25AQI
31AQI
29AQI
29AQI
51AQI
56AQI
54AQI
62AQI
61AQI
65AQI
62AQI
66AQI
60AQI
59AQI
57AQI
58AQI
52AQI
55AQI
35AQI
31AQI
55AQI
44AQI
43AQI
56AQI
57AQI
70AQI
70AQI
54AQI
82AQI
72AQI
70AQI
66AQI
64AQI
74AQI
77AQI
69AQI
71AQI
48AQI
71AQI
69AQI
71AQI
72AQI
69AQI
80AQI
91AQI
99AQI
93AQI
63AQI
52AQI
41AQI
55AQI
55AQI
53AQI
62AQI
76AQI
67AQI
58AQI
64AQI
81AQI
58AQI
49AQI
43AQI
31AQI
45AQI
50AQI
53AQI
37AQI
32AQI
46AQI
52AQI
62AQI
62AQI
37AQI
41AQI
57AQI
55AQI
50AQI
64AQI
46AQI
53AQI
23AQI
45AQI
60AQI
50AQI
40AQI
36AQI
22AQI
19AQI
24AQI
28AQI
34AQI
38AQI
38AQI
44AQI
49AQI
39AQI
34AQI
40AQI
31AQI
20AQI
27AQI
27AQI
20AQI
23AQI
24AQI
19AQI
34AQI
28AQI
33AQI
41AQI
35AQI
35AQI
38AQI
44AQI
31AQI
33AQI
38AQI
40AQI
33AQI
27AQI
27AQI
25AQI
29AQI
29AQI
32AQI
28AQI
19AQI
23AQI
18AQI
21AQI
29AQI
39AQI
32AQI
23AQI
23AQI
22AQI
22AQI
24AQI
24AQI
16AQI
24AQI
28AQI
31AQI
31AQI
25AQI
33AQI
22AQI
23AQI
21AQI
23AQI
24AQI
35AQI
49AQI
40AQI
37AQI
31AQI
37AQI
32AQI
28AQI
34AQI
40AQI
31AQI
28AQI
26AQI
36AQI
32AQI
27AQI
30AQI
27AQI
24AQI
22AQI
23AQI
24AQI
26AQI
28AQI
32AQI
34AQI
34AQI
30AQI
22AQI
23AQI
22AQI
21AQI
21AQI
25AQI
26AQI
23AQI
28AQI
21AQI
23AQI
23AQI
27AQI
33AQI
20AQI
17AQI
22AQI
27AQI
36AQI
39AQI
28AQI
27AQI
22AQI
24AQI
22AQI
52AQI
68AQI
52AQI
33AQI
28AQI
30AQI
26AQI
22AQI
No. of days
202541AQI
Highest AQI recorded in
February68AQI
Lowest AQI recorded in
August22AQI
202437AQI
Highest AQI recorded in
November58AQI
Lowest AQI recorded in
July25AQI
202335AQI
Highest AQI recorded in
December43AQI
Lowest AQI recorded in
July25AQI
202240AQI
Highest AQI recorded in
March65AQI
Lowest AQI recorded in
August20AQI
202142AQI
Highest AQI recorded in
February74AQI
Lowest AQI recorded in
May21AQI
202039AQI
Highest AQI recorded in
November59AQI
Lowest AQI recorded in
June25AQI
Most & Least Polluted Years Over the Last 6 Years
Vienna's annual 2025 AQI (41) shows an average percentage change of 6.8% (worsened AQI) compared to previous years: 2020 (39), 2021 (42), 2022 (40), 2023 (35), 2024 (37).