Steyr, Oberosterreich, 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
Steyr, Oberosterreich, Austria
AQI Trends: Highest and Lowest
Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 35 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Aug - 21st Aug 2025
Steyr, Oberosterreich, Austria
5 AM20th Aug 2025
8 PM
4 AM21st Aug 2025
40AQI
30AQI
33AQI
30AQI
In the last 24 hours,
Steyr's AQI reached its highest point of 40 at 12 PM during the Day, while the lowest point, undefined, was recorded at 4 AM during the Night between 20th Aug and 21st Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Steyr, Oberosterreich, Austria
17°C10/24°C
18°C12/24°C
17°C14/22°C
17°C13/23°C
16°C14/20°C
15°C14/19°C
15°C11/18°C
14°C11/18°C
15°C9/22°C
15°C10/20°C
17°C13/22°C
13°C9/18°C
14°C11/19°C
13°C11/17°C
18°C12/26°C
16°C12/22°C
18°C10/25°C
22°C16/28°C
23°C16/30°C
22°C17/29°C
19°C12/25°C
20°C13/27°C
23°C15/30°C
24°C17/31°C
22°C16/30°C
21°C16/28°C
18°C15/24°C
17°C11/23°C
17°C10/24°C
19°C12/26°C
--°C/°C
32AQI
30AQI
31AQI
31AQI
2025 Days Vs Air Quality
Steyr, Oberosterreich, Austria
86%
200
14%
32
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 233 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
Steyr, Oberosterreich, Austria
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
62AQI
49AQI
30AQI
31AQI
45AQI
49AQI
36AQI
31AQI
41AQI
22AQI
27AQI
31AQI
34AQI
45AQI
45AQI
42AQI
40AQI
46AQI
49AQI
48AQI
53AQI
48AQI
43AQI
46AQI
39AQI
41AQI
42AQI
26AQI
29AQI
34AQI
38AQI
32AQI
47AQI
51AQI
56AQI
53AQI
49AQI
54AQI
62AQI
66AQI
66AQI
56AQI
63AQI
57AQI
55AQI
52AQI
41AQI
62AQI
65AQI
60AQI
59AQI
63AQI
67AQI
84AQI
69AQI
53AQI
45AQI
28AQI
27AQI
51AQI
52AQI
46AQI
38AQI
45AQI
47AQI
47AQI
52AQI
51AQI
44AQI
35AQI
39AQI
34AQI
32AQI
33AQI
41AQI
36AQI
23AQI
32AQI
41AQI
40AQI
50AQI
37AQI
29AQI
33AQI
46AQI
37AQI
50AQI
41AQI
36AQI
19AQI
30AQI
47AQI
41AQI
30AQI
28AQI
15AQI
16AQI
18AQI
29AQI
39AQI
38AQI
28AQI
35AQI
32AQI
18AQI
24AQI
33AQI
22AQI
16AQI
20AQI
19AQI
15AQI
19AQI
16AQI
17AQI
23AQI
25AQI
28AQI
27AQI
26AQI
27AQI
27AQI
33AQI
21AQI
25AQI
25AQI
31AQI
33AQI
26AQI
22AQI
20AQI
22AQI
26AQI
24AQI
26AQI
18AQI
19AQI
20AQI
21AQI
22AQI
27AQI
24AQI
22AQI
22AQI
20AQI
21AQI
21AQI
21AQI
15AQI
18AQI
21AQI
23AQI
24AQI
21AQI
23AQI
17AQI
19AQI
17AQI
24AQI
27AQI
43AQI
55AQI
43AQI
41AQI
32AQI
37AQI
31AQI
34AQI
33AQI
39AQI
34AQI
30AQI
28AQI
33AQI
30AQI
26AQI
28AQI
27AQI
26AQI
24AQI
27AQI
26AQI
27AQI
31AQI
37AQI
36AQI
35AQI
29AQI
23AQI
21AQI
21AQI
21AQI
22AQI
23AQI
22AQI
22AQI
26AQI
21AQI
22AQI
23AQI
25AQI
29AQI
19AQI
18AQI
23AQI
27AQI
29AQI
25AQI
20AQI
23AQI
20AQI
21AQI
21AQI
20AQI
21AQI
21AQI
23AQI
22AQI
24AQI
28AQI
36AQI
42AQI
43AQI
39AQI
48AQI
52AQI
53AQI
52AQI
53AQI
40AQI
30AQI
35AQI
40AQI
55AQI
40AQI
26AQI
23AQI
30AQI
25AQI
35AQI
No. of days
202534AQI
Highest AQI recorded in
February55AQI
Lowest AQI recorded in
May23AQI
202426AQI
Highest AQI recorded in
November38AQI
Lowest AQI recorded in
May16AQI
202323AQI
Highest AQI recorded in
March30AQI
Lowest AQI recorded in
November13AQI
202228AQI
Highest AQI recorded in
March50AQI
Lowest AQI recorded in
September18AQI
202130AQI
Highest AQI recorded in
February39AQI
Lowest AQI recorded in
May15AQI
202026AQI
Highest AQI recorded in
March52AQI
Lowest AQI recorded in
June16AQI
Most & Least Polluted Years Over the Last 6 Years
Steyr's annual 2025 AQI (34) shows an average percentage change of 28.3% (worsened AQI) compared to previous years: 2020 (26), 2021 (30), 2022 (28), 2023 (23), 2024 (26).