Vienna, Wien, Austria Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Vienna, Wien, Austria
AQI Trends: Highest and Lowest
Same Day Analysis (29th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 34 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 28th Sep - 29th Sep 2026
Vienna, Wien, Austria
6 AM28th Sep 2026
7 PM
5 AM29th Sep 2026
53AQI
21AQI
49AQI
22AQI
In the last 24 hours,
Vienna's AQI reached its highest point of 53 at 10 AM during the Day, while the lowest point, 21, was recorded at 6 PM during the Day between 28th Sep and 29th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Vienna, Wien, Austria
22°C17/28°C
21°C16/26°C
22°C18/28°C
21°C17/25°C
24°C19/31°C
21°C16/24°C
19°C14/24°C
21°C15/28°C
25°C19/32°C
22°C14/30°C
15°C12/18°C
14°C11/17°C
16°C12/22°C
16°C15/19°C
16°C15/18°C
18°C13/24°C
21°C15/28°C
16°C13/19°C
18°C14/22°C
19°C14/24°C
20°C16/25°C
15°C11/19°C
12°C10/15°C
14°C10/18°C
14°C12/16°C
13°C9/18°C
16°C11/20°C
16°C12/21°C
17°C12/22°C
18°C13/23°C
32AQI
28AQI
32AQI
29AQI
2026 Days Vs Air Quality
Vienna, Wien, Austria
77%
208
20%
55
2%
6
Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2026, 77% of 272 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 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI (US)
22AQI (US)
16AQI (US)
16AQI (US)
52AQI (US)
45AQI (US)
59AQI (US)
57AQI (US)
76AQI (US)
101AQI (US)
31AQI (US)
46AQI (US)
80AQI (US)
113AQI (US)
94AQI (US)
73AQI (US)
71AQI (US)
53AQI (US)
64AQI (US)
68AQI (US)
72AQI (US)
92AQI (US)
106AQI (US)
105AQI (US)
104AQI (US)
63AQI (US)
31AQI (US)
61AQI (US)
43AQI (US)
68AQI (US)
78AQI (US)
66AQI (US)
93AQI (US)
65AQI (US)
60AQI (US)
63AQI (US)
52AQI (US)
62AQI (US)
61AQI (US)
78AQI (US)
72AQI (US)
55AQI (US)
35AQI (US)
12AQI (US)
48AQI (US)
21AQI (US)
50AQI (US)
35AQI (US)
20AQI (US)
59AQI (US)
61AQI (US)
53AQI (US)
11AQI (US)
19AQI (US)
37AQI (US)
34AQI (US)
63AQI (US)
83AQI (US)
80AQI (US)
91AQI (US)
36AQI (US)
81AQI (US)
104AQI (US)
65AQI (US)
55AQI (US)
69AQI (US)
61AQI (US)
60AQI (US)
55AQI (US)
72AQI (US)
44AQI (US)
22AQI (US)
30AQI (US)
35AQI (US)
35AQI (US)
18AQI (US)
64AQI (US)
37AQI (US)
66AQI (US)
74AQI (US)
62AQI (US)
47AQI (US)
68AQI (US)
63AQI (US)
16AQI (US)
20AQI (US)
30AQI (US)
36AQI (US)
28AQI (US)
14AQI (US)
35AQI (US)
42AQI (US)
49AQI (US)
18AQI (US)
22AQI (US)
27AQI (US)
27AQI (US)
24AQI (US)
25AQI (US)
66AQI (US)
41AQI (US)
60AQI (US)
44AQI (US)
60AQI (US)
81AQI (US)
69AQI (US)
29AQI (US)
49AQI (US)
16AQI (US)
37AQI (US)
12AQI (US)
19AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
21AQI (US)
20AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
20AQI (US)
25AQI (US)
29AQI (US)
26AQI (US)
16AQI (US)
20AQI (US)
35AQI (US)
24AQI (US)
18AQI (US)
22AQI (US)
22AQI (US)
26AQI (US)
38AQI (US)
45AQI (US)
29AQI (US)
33AQI (US)
36AQI (US)
48AQI (US)
34AQI (US)
34AQI (US)
42AQI (US)
49AQI (US)
43AQI (US)
23AQI (US)
22AQI (US)
20AQI (US)
19AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
20AQI (US)
17AQI (US)
15AQI (US)
19AQI (US)
13AQI (US)
17AQI (US)
22AQI (US)
20AQI (US)
15AQI (US)
20AQI (US)
17AQI (US)
20AQI (US)
19AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
38AQI (US)
22AQI (US)
35AQI (US)
19AQI (US)
17AQI (US)
22AQI (US)
34AQI (US)
42AQI (US)
39AQI (US)
38AQI (US)
34AQI (US)
31AQI (US)
22AQI (US)
20AQI (US)
19AQI (US)
21AQI (US)
19AQI (US)
17AQI (US)
19AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
22AQI (US)
26AQI (US)
28AQI (US)
22AQI (US)
28AQI (US)
34AQI (US)
32AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
31AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
24AQI (US)
30AQI (US)
23AQI (US)
30AQI (US)
31AQI (US)
34AQI (US)
42AQI (US)
37AQI (US)
38AQI (US)
40AQI (US)
35AQI (US)
32AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
29AQI (US)
28AQI (US)
32AQI (US)
29AQI (US)
34AQI (US)
26AQI (US)
32AQI (US)
37AQI (US)
28AQI (US)
27AQI (US)
28AQI (US)
33AQI (US)
22AQI (US)
26AQI (US)
30AQI (US)
25AQI (US)
29AQI (US)
31AQI (US)
32AQI (US)
28AQI (US)
27AQI (US)
30AQI (US)
28AQI (US)
29AQI (US)
34AQI (US)
31AQI (US)
25AQI (US)
23AQI (US)
33AQI (US)
31AQI (US)
27AQI (US)
44AQI (US)
61AQI (US)
27AQI (US)
29AQI (US)
25AQI (US)
30AQI (US)
28AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
27AQI (US)
30AQI (US)
28AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
29AQI (US)
27AQI (US)
40AQI (US)
34AQI (US)
64AQI (US)
52AQI (US)
50AQI (US)
35AQI (US)
29AQI (US)
24AQI (US)
26AQI (US)
30AQI (US)
30AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
January64AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202541AQI (US)
Highest AQI (US) recorded in
February68AQI (US)
Lowest AQI (US) recorded in
September26AQI (US)
202437AQI (US)
Highest AQI (US) recorded in
November58AQI (US)
Lowest AQI (US) recorded in
July25AQI (US)
202335AQI (US)
Highest AQI (US) recorded in
December43AQI (US)
Lowest AQI (US) recorded in
July25AQI (US)
202240AQI (US)
Highest AQI (US) recorded in
March65AQI (US)
Lowest AQI (US) recorded in
August20AQI (US)
202142AQI (US)
Highest AQI (US) recorded in
February74AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202039AQI (US)
Highest AQI (US) recorded in
November59AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Vienna's annual 2026 AQI (US) (38) shows an average percentage change of -2.1% (improved AQI (US)) compared to previous years: 2020 (39), 2021 (42), 2022 (40), 2023 (35), 2024 (37), 2025 (41).