Alta, Linz, Oberosterreich, 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
Alta, Linz, Oberosterreich, Austria
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 58 of Moderate air quality on the same day.
Day & Night AQI Trend: 2nd Oct - 3rd Oct 2026
Alta, Linz, Oberosterreich, Austria
6 AM2nd Oct 2026
7 PM
5 AM3rd Oct 2026
62AQI
42AQI
73AQI
42AQI
In the last 24 hours,
Alta's AQI reached its highest point of 73 at 1 AM during the Night, while the lowest point, 42, was recorded at 7 AM during the Day between 2nd Oct and 3rd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Alta, Linz, Oberosterreich, Austria
21°C16/28°C
18°C15/22°C
17°C12/23°C
18°C12/26°C
22°C16/30°C
18°C12/25°C
13°C10/17°C
14°C12/19°C
15°C11/21°C
15°C14/19°C
16°C14/19°C
17°C12/22°C
18°C14/25°C
15°C12/19°C
15°C12/20°C
16°C12/21°C
17°C12/22°C
13°C11/16°C
12°C8/15°C
11°C7/17°C
10°C8/14°C
11°C6/16°C
13°C8/19°C
14°C9/20°C
15°C10/21°C
16°C11/22°C
15°C10/21°C
16°C10/22°C
15°C12/19°C
14°C9/21°C
40AQI
28AQI
32AQI
29AQI
2026 Days Vs Air Quality
Alta, Linz, Oberosterreich, Austria
81%
222
19%
51
Total number of days with different AQI categories in last 276 days in 2026 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2026, 81% of 276 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
Alta, Linz, Oberosterreich, Austria
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI (US)
30AQI (US)
22AQI (US)
24AQI (US)
45AQI (US)
70AQI (US)
90AQI (US)
82AQI (US)
74AQI (US)
73AQI (US)
42AQI (US)
61AQI (US)
79AQI (US)
62AQI (US)
70AQI (US)
66AQI (US)
59AQI (US)
45AQI (US)
42AQI (US)
55AQI (US)
72AQI (US)
81AQI (US)
95AQI (US)
69AQI (US)
72AQI (US)
73AQI (US)
24AQI (US)
38AQI (US)
62AQI (US)
67AQI (US)
63AQI (US)
76AQI (US)
87AQI (US)
57AQI (US)
49AQI (US)
43AQI (US)
37AQI (US)
51AQI (US)
44AQI (US)
51AQI (US)
58AQI (US)
45AQI (US)
19AQI (US)
13AQI (US)
39AQI (US)
34AQI (US)
47AQI (US)
18AQI (US)
26AQI (US)
19AQI (US)
56AQI (US)
77AQI (US)
24AQI (US)
14AQI (US)
15AQI (US)
39AQI (US)
72AQI (US)
59AQI (US)
60AQI (US)
56AQI (US)
19AQI (US)
46AQI (US)
72AQI (US)
58AQI (US)
47AQI (US)
65AQI (US)
60AQI (US)
53AQI (US)
58AQI (US)
52AQI (US)
28AQI (US)
40AQI (US)
30AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
56AQI (US)
56AQI (US)
55AQI (US)
60AQI (US)
40AQI (US)
42AQI (US)
60AQI (US)
53AQI (US)
13AQI (US)
21AQI (US)
29AQI (US)
26AQI (US)
17AQI (US)
16AQI (US)
31AQI (US)
33AQI (US)
38AQI (US)
19AQI (US)
29AQI (US)
12AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
33AQI (US)
39AQI (US)
44AQI (US)
44AQI (US)
52AQI (US)
51AQI (US)
57AQI (US)
27AQI (US)
37AQI (US)
10AQI (US)
17AQI (US)
19AQI (US)
19AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
19AQI (US)
15AQI (US)
22AQI (US)
28AQI (US)
18AQI (US)
16AQI (US)
22AQI (US)
29AQI (US)
28AQI (US)
11AQI (US)
18AQI (US)
27AQI (US)
24AQI (US)
22AQI (US)
19AQI (US)
17AQI (US)
24AQI (US)
37AQI (US)
42AQI (US)
29AQI (US)
32AQI (US)
33AQI (US)
40AQI (US)
34AQI (US)
33AQI (US)
45AQI (US)
47AQI (US)
45AQI (US)
27AQI (US)
23AQI (US)
22AQI (US)
23AQI (US)
26AQI (US)
18AQI (US)
25AQI (US)
19AQI (US)
17AQI (US)
15AQI (US)
20AQI (US)
19AQI (US)
21AQI (US)
22AQI (US)
21AQI (US)
19AQI (US)
23AQI (US)
23AQI (US)
20AQI (US)
21AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
23AQI (US)
22AQI (US)
21AQI (US)
22AQI (US)
23AQI (US)
22AQI (US)
26AQI (US)
33AQI (US)
33AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
23AQI (US)
22AQI (US)
23AQI (US)
20AQI (US)
21AQI (US)
22AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
19AQI (US)
27AQI (US)
28AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
26AQI (US)
35AQI (US)
31AQI (US)
15AQI (US)
22AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
24AQI (US)
34AQI (US)
30AQI (US)
29AQI (US)
30AQI (US)
46AQI (US)
39AQI (US)
43AQI (US)
36AQI (US)
35AQI (US)
35AQI (US)
26AQI (US)
30AQI (US)
26AQI (US)
30AQI (US)
33AQI (US)
22AQI (US)
33AQI (US)
29AQI (US)
30AQI (US)
28AQI (US)
23AQI (US)
36AQI (US)
49AQI (US)
39AQI (US)
24AQI (US)
33AQI (US)
22AQI (US)
18AQI (US)
25AQI (US)
31AQI (US)
38AQI (US)
27AQI (US)
41AQI (US)
22AQI (US)
24AQI (US)
27AQI (US)
25AQI (US)
30AQI (US)
28AQI (US)
28AQI (US)
28AQI (US)
20AQI (US)
31AQI (US)
35AQI (US)
30AQI (US)
24AQI (US)
28AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
28AQI (US)
30AQI (US)
28AQI (US)
35AQI (US)
28AQI (US)
32AQI (US)
27AQI (US)
26AQI (US)
26AQI (US)
29AQI (US)
29AQI (US)
31AQI (US)
28AQI (US)
38AQI (US)
47AQI (US)
37AQI (US)
33AQI (US)
53AQI (US)
58AQI (US)
59AQI (US)
44AQI (US)
42AQI (US)
29AQI (US)
28AQI (US)
23AQI (US)
26AQI (US)
31AQI (US)
30AQI (US)
48AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
January59AQI (US)
Lowest AQI (US) recorded in
June23AQI (US)
202544AQI (US)
Highest AQI (US) recorded in
February69AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
202438AQI (US)
Highest AQI (US) recorded in
January60AQI (US)
Lowest AQI (US) recorded in
May25AQI (US)
202339AQI (US)
Highest AQI (US) recorded in
December53AQI (US)
Lowest AQI (US) recorded in
November29AQI (US)
202244AQI (US)
Highest AQI (US) recorded in
March62AQI (US)
Lowest AQI (US) recorded in
August27AQI (US)
202143AQI (US)
Highest AQI (US) recorded in
February58AQI (US)
Lowest AQI (US) recorded in
May23AQI (US)
202040AQI (US)
Highest AQI (US) recorded in
November57AQI (US)
Lowest AQI (US) recorded in
June29AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Alta's annual 2026 AQI (US) (35) shows an average percentage change of -15.02% (improved AQI (US)) compared to previous years: 2020 (40), 2021 (43), 2022 (44), 2023 (39), 2024 (38), 2025 (44).