Knittelfeld, Steiermark, Austria Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Knittelfeld, Steiermark, Austria
AQI Trends: Highest and Lowest
Same Day Analysis (12th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 59 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Oct - 13th Oct 2025
Knittelfeld, Steiermark, Austria
6 AM12th Oct 2025
6 PM
5 AM13th Oct 2025
59AQI
50AQI
74AQI
56AQI
In the last 24 hours,
Knittelfeld's AQI reached its highest point of 74 at 12 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 12th Oct and 13th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Knittelfeld, Steiermark, Austria
13°C8/19°C
11°C9/16°C
13°C5/23°C
10°C8/13°C
10°C3/19°C
14°C7/23°C
15°C8/25°C
16°C9/26°C
15°C8/25°C
14°C7/21°C
11°C8/15°C
9°C7/11°C
10°C6/13°C
10°C6/12°C
8°C4/14°C
8°C3/15°C
7°C2/13°C
4°C3/6°C
3°C-3/10°C
2°C-4/10°C
2°C-6/12°C
3°C-4/9°C
2°C-2/8°C
3°C-2/8°C
4°C0/10°C
9°C2/16°C
8°C4/13°C
8°C3/16°C
7°C2/17°C
7°C0/17°C
--°C/°C
38AQI
32AQI
43AQI
38AQI
2025 Days Vs Air Quality
Knittelfeld, Steiermark, Austria
75%
214
25%
71
Total number of days with different AQI categories in last 286 days in 2025 (79 days remaining)
Under WHO’s Safe Air Quality Limits: 75%
Health Risk Level:
Low
In 2025, 75% of 286 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
Knittelfeld, Steiermark, Austria
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
75AQI
65AQI
58AQI
57AQI
60AQI
54AQI
55AQI
49AQI
48AQI
38AQI
39AQI
35AQI
40AQI
50AQI
55AQI
54AQI
57AQI
59AQI
61AQI
61AQI
61AQI
61AQI
61AQI
59AQI
56AQI
55AQI
51AQI
48AQI
44AQI
44AQI
45AQI
45AQI
49AQI
48AQI
52AQI
54AQI
54AQI
56AQI
59AQI
62AQI
66AQI
65AQI
69AQI
71AQI
60AQI
61AQI
59AQI
60AQI
61AQI
62AQI
63AQI
66AQI
69AQI
71AQI
69AQI
65AQI
59AQI
54AQI
50AQI
51AQI
54AQI
54AQI
53AQI
51AQI
51AQI
52AQI
53AQI
55AQI
53AQI
50AQI
46AQI
39AQI
39AQI
35AQI
34AQI
34AQI
36AQI
37AQI
42AQI
46AQI
45AQI
38AQI
36AQI
33AQI
36AQI
37AQI
37AQI
38AQI
34AQI
30AQI
31AQI
34AQI
35AQI
35AQI
34AQI
29AQI
27AQI
26AQI
27AQI
29AQI
29AQI
25AQI
31AQI
29AQI
26AQI
29AQI
32AQI
24AQI
23AQI
34AQI
33AQI
32AQI
29AQI
29AQI
22AQI
22AQI
23AQI
24AQI
26AQI
28AQI
30AQI
31AQI
34AQI
30AQI
24AQI
23AQI
25AQI
27AQI
27AQI
27AQI
25AQI
23AQI
25AQI
28AQI
28AQI
24AQI
23AQI
23AQI
22AQI
24AQI
26AQI
26AQI
23AQI
23AQI
23AQI
23AQI
22AQI
21AQI
19AQI
20AQI
21AQI
25AQI
24AQI
22AQI
23AQI
23AQI
23AQI
24AQI
23AQI
26AQI
37AQI
52AQI
54AQI
51AQI
46AQI
44AQI
39AQI
38AQI
38AQI
40AQI
40AQI
37AQI
36AQI
38AQI
35AQI
33AQI
37AQI
33AQI
31AQI
31AQI
34AQI
33AQI
33AQI
34AQI
34AQI
35AQI
34AQI
31AQI
26AQI
24AQI
24AQI
24AQI
25AQI
26AQI
25AQI
25AQI
26AQI
22AQI
22AQI
23AQI
27AQI
30AQI
23AQI
22AQI
23AQI
24AQI
23AQI
23AQI
22AQI
20AQI
21AQI
23AQI
23AQI
22AQI
21AQI
22AQI
23AQI
23AQI
25AQI
29AQI
33AQI
36AQI
43AQI
44AQI
50AQI
52AQI
52AQI
53AQI
50AQI
47AQI
43AQI
41AQI
39AQI
32AQI
32AQI
27AQI
26AQI
27AQI
31AQI
36AQI
34AQI
27AQI
23AQI
22AQI
23AQI
21AQI
23AQI
23AQI
19AQI
20AQI
23AQI
26AQI
25AQI
22AQI
22AQI
20AQI
21AQI
20AQI
21AQI
20AQI
20AQI
21AQI
23AQI
26AQI
24AQI
23AQI
20AQI
23AQI
33AQI
51AQI
56AQI
51AQI
49AQI
51AQI
51AQI
56AQI
58AQI
43AQI
47AQI
29AQI
46AQI
52AQI
56AQI
57AQI
59AQI
53AQI
60AQI
43AQI
29AQI
25AQI
35AQI
26AQI
34AQI
26AQI
50AQI
No. of days
202537AQI
Highest AQI recorded in
February60AQI
Lowest AQI recorded in
May25AQI
202432AQI
Highest AQI recorded in
December51AQI
Lowest AQI recorded in
April18AQI
202317AQI
Highest AQI recorded in
December30AQI
Lowest AQI recorded in
July10AQI
202216AQI
Highest AQI recorded in
March25AQI
Lowest AQI recorded in
August9AQI
202116AQI
Highest AQI recorded in
December25AQI
Lowest AQI recorded in
May8AQI
202015AQI
Highest AQI recorded in
March22AQI
Lowest AQI recorded in
June9AQI
Most & Least Polluted Years Over the Last 6 Years
Knittelfeld's annual 2025 AQI (37) shows an average percentage change of 109.4% (worsened AQI) compared to previous years: 2020 (15), 2021 (16), 2022 (16), 2023 (17), 2024 (32).