F. Schmidt G., Hartberg, Steiermark, 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
F. Schmidt G., Hartberg, Steiermark, Austria
AQI Trends: Highest and Lowest
Same Day Analysis (16th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 21 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Sep - 17th Sep 2025
F. Schmidt G., Hartberg, Steiermark, Austria
6 AM16th Sep 2025
7 PM
5 AM17th Sep 2025
23AQI
19AQI
21AQI
18AQI
In the last 24 hours,
F. Schmidt G.'s AQI reached its highest point of 23 at 8 AM during the Day, while the lowest point, 18, was recorded at 4 AM during the Night between 16th Sep and 17th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
F. Schmidt G., Hartberg, Steiermark, Austria
16°C12/20°C
17°C12/23°C
19°C15/25°C
17°C14/18°C
15°C10/19°C
13°C10/17°C
12°C8/15°C
14°C9/20°C
17°C11/23°C
19°C14/25°C
19°C15/26°C
19°C15/24°C
15°C13/18°C
15°C13/19°C
16°C12/22°C
16°C14/20°C
16°C14/20°C
18°C14/23°C
15°C11/19°C
14°C10/20°C
14°C9/19°C
15°C11/21°C
15°C12/19°C
14°C13/14°C
15°C12/19°C
13°C12/17°C
15°C13/17°C
13°C10/15°C
16°C10/21°C
13°C9/15°C
--°C/°C
28AQI
26AQI
28AQI
27AQI
2025 Days Vs Air Quality
F. Schmidt G., Hartberg, Steiermark, Austria
77%
199
23%
60
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 260 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
F. Schmidt G., Hartberg, Steiermark, Austria
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
76AQI
71AQI
64AQI
61AQI
61AQI
58AQI
54AQI
49AQI
45AQI
39AQI
36AQI
33AQI
32AQI
43AQI
52AQI
52AQI
55AQI
57AQI
59AQI
59AQI
61AQI
61AQI
60AQI
59AQI
58AQI
55AQI
52AQI
49AQI
44AQI
46AQI
45AQI
44AQI
50AQI
50AQI
54AQI
59AQI
58AQI
61AQI
66AQI
68AQI
70AQI
71AQI
72AQI
73AQI
70AQI
69AQI
65AQI
65AQI
67AQI
68AQI
70AQI
70AQI
72AQI
79AQI
80AQI
78AQI
74AQI
65AQI
58AQI
55AQI
54AQI
55AQI
55AQI
56AQI
58AQI
57AQI
58AQI
62AQI
58AQI
55AQI
51AQI
46AQI
44AQI
40AQI
39AQI
38AQI
36AQI
41AQI
48AQI
51AQI
52AQI
49AQI
46AQI
46AQI
48AQI
48AQI
49AQI
47AQI
42AQI
36AQI
38AQI
43AQI
45AQI
43AQI
40AQI
36AQI
30AQI
29AQI
31AQI
32AQI
35AQI
36AQI
38AQI
36AQI
34AQI
34AQI
36AQI
31AQI
28AQI
33AQI
32AQI
30AQI
29AQI
30AQI
25AQI
26AQI
26AQI
28AQI
30AQI
31AQI
32AQI
34AQI
38AQI
34AQI
30AQI
28AQI
32AQI
36AQI
32AQI
30AQI
28AQI
27AQI
28AQI
30AQI
29AQI
23AQI
22AQI
20AQI
19AQI
23AQI
26AQI
28AQI
24AQI
23AQI
22AQI
21AQI
22AQI
22AQI
17AQI
20AQI
22AQI
24AQI
26AQI
26AQI
26AQI
23AQI
23AQI
21AQI
21AQI
25AQI
33AQI
42AQI
42AQI
42AQI
39AQI
41AQI
40AQI
36AQI
36AQI
40AQI
37AQI
33AQI
32AQI
35AQI
35AQI
35AQI
35AQI
32AQI
29AQI
27AQI
29AQI
27AQI
28AQI
31AQI
33AQI
34AQI
34AQI
32AQI
25AQI
22AQI
22AQI
22AQI
22AQI
23AQI
24AQI
23AQI
25AQI
22AQI
22AQI
23AQI
26AQI
31AQI
23AQI
20AQI
23AQI
24AQI
26AQI
26AQI
25AQI
23AQI
22AQI
24AQI
23AQI
23AQI
22AQI
22AQI
24AQI
24AQI
24AQI
27AQI
30AQI
35AQI
38AQI
41AQI
44AQI
47AQI
46AQI
49AQI
51AQI
46AQI
42AQI
40AQI
40AQI
37AQI
32AQI
27AQI
24AQI
24AQI
28AQI
30AQI
32AQI
30AQI
23AQI
23AQI
23AQI
21AQI
25AQI
23AQI
19AQI
20AQI
24AQI
27AQI
27AQI
24AQI
22AQI
21AQI
26AQI
21AQI
21AQI
53AQI
66AQI
49AQI
33AQI
27AQI
32AQI
25AQI
33AQI
23AQI
No. of days
202539AQI
Highest AQI recorded in
February66AQI
Lowest AQI recorded in
September23AQI
202423AQI
Highest AQI recorded in
November56AQI
Lowest AQI recorded in
May10AQI
202314AQI
Highest AQI recorded in
December22AQI
Lowest AQI recorded in
July11AQI
202217AQI
Highest AQI recorded in
March27AQI
Lowest AQI recorded in
September9AQI
202116AQI
Highest AQI recorded in
February27AQI
Lowest AQI recorded in
May7AQI
202016AQI
Highest AQI recorded in
March25AQI
Lowest AQI recorded in
June12AQI
Most & Least Polluted Years Over the Last 6 Years
F. Schmidt G.'s annual 2025 AQI (39) shows an average percentage change of 130.04% (worsened AQI) compared to previous years: 2020 (16), 2021 (16), 2022 (17), 2023 (14), 2024 (23).