Wels, Oberosterreich, 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
Wels, Oberosterreich, Austria
AQI Trends: Highest and Lowest
Same Day Analysis (28th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 39 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 27th Sep - 28th Sep 2026
Wels, Oberosterreich, Austria
6 AM27th Sep 2026
7 PM
5 AM28th Sep 2026
25AQI
21AQI
31AQI
21AQI
In the last 24 hours,
Wels's AQI reached its highest point of 31 at 1 AM during the Night, while the lowest point, 21, was recorded at 8 PM during the Night between 27th Sep and 28th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Wels, Oberosterreich, Austria
21°C16/27°C
19°C16/25°C
18°C14/24°C
19°C15/24°C
19°C16/24°C
22°C17/28°C
19°C14/22°C
17°C12/22°C
19°C12/26°C
22°C17/30°C
17°C12/24°C
13°C10/17°C
15°C12/19°C
15°C11/20°C
15°C14/18°C
16°C14/19°C
17°C12/22°C
18°C14/25°C
14°C11/18°C
15°C11/19°C
16°C12/21°C
17°C13/22°C
13°C10/15°C
12°C8/15°C
11°C7/16°C
10°C8/14°C
11°C7/16°C
13°C8/19°C
14°C9/19°C
15°C10/20°C
31AQI
25AQI
29AQI
24AQI
2026 Days Vs Air Quality
Wels, Oberosterreich, Austria
79%
211
21%
56
0.3%
1
Total number of days with different AQI categories in last 271 days in 2026 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2026, 79% of 271 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
Wels, Oberosterreich, Austria
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI (US)
25AQI (US)
16AQI (US)
19AQI (US)
57AQI (US)
60AQI (US)
90AQI (US)
85AQI (US)
81AQI (US)
66AQI (US)
39AQI (US)
68AQI (US)
86AQI (US)
58AQI (US)
77AQI (US)
62AQI (US)
65AQI (US)
50AQI (US)
50AQI (US)
63AQI (US)
83AQI (US)
87AQI (US)
101AQI (US)
78AQI (US)
80AQI (US)
66AQI (US)
29AQI (US)
41AQI (US)
64AQI (US)
76AQI (US)
71AQI (US)
83AQI (US)
100AQI (US)
75AQI (US)
64AQI (US)
52AQI (US)
50AQI (US)
46AQI (US)
51AQI (US)
63AQI (US)
64AQI (US)
52AQI (US)
19AQI (US)
11AQI (US)
43AQI (US)
35AQI (US)
42AQI (US)
11AQI (US)
13AQI (US)
30AQI (US)
61AQI (US)
51AQI (US)
10AQI (US)
11AQI (US)
34AQI (US)
40AQI (US)
53AQI (US)
46AQI (US)
72AQI (US)
51AQI (US)
36AQI (US)
65AQI (US)
78AQI (US)
68AQI (US)
64AQI (US)
69AQI (US)
60AQI (US)
64AQI (US)
66AQI (US)
54AQI (US)
29AQI (US)
46AQI (US)
40AQI (US)
19AQI (US)
32AQI (US)
18AQI (US)
62AQI (US)
68AQI (US)
63AQI (US)
74AQI (US)
54AQI (US)
50AQI (US)
64AQI (US)
48AQI (US)
15AQI (US)
17AQI (US)
29AQI (US)
25AQI (US)
15AQI (US)
26AQI (US)
36AQI (US)
47AQI (US)
34AQI (US)
16AQI (US)
26AQI (US)
12AQI (US)
22AQI (US)
23AQI (US)
24AQI (US)
49AQI (US)
45AQI (US)
53AQI (US)
55AQI (US)
51AQI (US)
47AQI (US)
55AQI (US)
35AQI (US)
33AQI (US)
10AQI (US)
16AQI (US)
19AQI (US)
21AQI (US)
24AQI (US)
24AQI (US)
22AQI (US)
17AQI (US)
15AQI (US)
22AQI (US)
27AQI (US)
19AQI (US)
15AQI (US)
22AQI (US)
28AQI (US)
27AQI (US)
10AQI (US)
17AQI (US)
26AQI (US)
23AQI (US)
19AQI (US)
17AQI (US)
17AQI (US)
24AQI (US)
37AQI (US)
42AQI (US)
29AQI (US)
32AQI (US)
33AQI (US)
39AQI (US)
36AQI (US)
35AQI (US)
45AQI (US)
49AQI (US)
39AQI (US)
27AQI (US)
17AQI (US)
20AQI (US)
21AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
18AQI (US)
17AQI (US)
14AQI (US)
21AQI (US)
18AQI (US)
19AQI (US)
20AQI (US)
21AQI (US)
17AQI (US)
20AQI (US)
20AQI (US)
21AQI (US)
20AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
30AQI (US)
32AQI (US)
45AQI (US)
24AQI (US)
26AQI (US)
36AQI (US)
37AQI (US)
57AQI (US)
54AQI (US)
31AQI (US)
33AQI (US)
34AQI (US)
13AQI (US)
14AQI (US)
19AQI (US)
20AQI (US)
15AQI (US)
14AQI (US)
18AQI (US)
22AQI (US)
23AQI (US)
25AQI (US)
19AQI (US)
27AQI (US)
30AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
31AQI (US)
31AQI (US)
26AQI (US)
29AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
24AQI (US)
31AQI (US)
29AQI (US)
28AQI (US)
31AQI (US)
46AQI (US)
40AQI (US)
44AQI (US)
33AQI (US)
35AQI (US)
32AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
29AQI (US)
30AQI (US)
24AQI (US)
31AQI (US)
27AQI (US)
27AQI (US)
28AQI (US)
23AQI (US)
35AQI (US)
42AQI (US)
28AQI (US)
25AQI (US)
33AQI (US)
20AQI (US)
23AQI (US)
26AQI (US)
29AQI (US)
40AQI (US)
25AQI (US)
34AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
29AQI (US)
26AQI (US)
27AQI (US)
23AQI (US)
19AQI (US)
30AQI (US)
32AQI (US)
29AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
25AQI (US)
30AQI (US)
28AQI (US)
33AQI (US)
26AQI (US)
31AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
39AQI (US)
62AQI (US)
46AQI (US)
47AQI (US)
30AQI (US)
27AQI (US)
27AQI (US)
25AQI (US)
30AQI (US)
27AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
January62AQI (US)
Lowest AQI (US) recorded in
July25AQI (US)
202545AQI (US)
Highest AQI (US) recorded in
February73AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
202438AQI (US)
Highest AQI (US) recorded in
November56AQI (US)
Lowest AQI (US) recorded in
May24AQI (US)
202335AQI (US)
Highest AQI (US) recorded in
December46AQI (US)
Lowest AQI (US) recorded in
November25AQI (US)
202242AQI (US)
Highest AQI (US) recorded in
March63AQI (US)
Lowest AQI (US) recorded in
July26AQI (US)
202140AQI (US)
Highest AQI (US) recorded in
February58AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
202039AQI (US)
Highest AQI (US) recorded in
March59AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Wels's annual 2026 AQI (US) (36) shows an average percentage change of -9.06% (improved AQI (US)) compared to previous years: 2020 (39), 2021 (40), 2022 (42), 2023 (35), 2024 (38), 2025 (45).