Dubendorf Empa, Dubendorf, Zurich, Switzerland 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
Dubendorf Empa, Dubendorf, Zurich, Switzerland
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 26 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Dubendorf Empa, Dubendorf, Zurich, Switzerland
7 AM29th Sep 2025
7 PM
6 AM30th Sep 2025
57AQI
41AQI
61AQI
38AQI
In the last 24 hours,
Dubendorf Empa's AQI reached its highest point of 61 at 11 PM during the Night, while the lowest point, 38, was recorded at 6 AM during the Night between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Dubendorf Empa, Dubendorf, Zurich, Switzerland
16°C9/24°C
15°C13/20°C
14°C11/19°C
16°C10/24°C
16°C13/23°C
14°C9/19°C
13°C7/21°C
16°C9/25°C
17°C12/23°C
16°C13/20°C
13°C11/17°C
14°C11/19°C
12°C10/17°C
14°C8/20°C
15°C12/20°C
18°C14/24°C
14°C10/17°C
13°C8/17°C
16°C10/25°C
18°C11/26°C
20°C14/27°C
18°C14/24°C
12°C10/14°C
10°C9/10°C
10°C9/11°C
10°C8/13°C
10°C8/12°C
9°C6/13°C
10°C5/16°C
12°C9/17°C
--°C/°C
22AQI
20AQI
22AQI
21AQI
2025 Days Vs Air Quality
Dubendorf Empa, Dubendorf, Zurich, Switzerland
79%
214
21%
57
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 273 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
Dubendorf Empa, Dubendorf, Zurich, Switzerland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
94AQI
40AQI
48AQI
56AQI
44AQI
34AQI
28AQI
25AQI
25AQI
26AQI
40AQI
42AQI
42AQI
61AQI
67AQI
43AQI
59AQI
61AQI
75AQI
76AQI
68AQI
64AQI
54AQI
46AQI
39AQI
34AQI
28AQI
24AQI
29AQI
33AQI
30AQI
46AQI
54AQI
56AQI
67AQI
67AQI
70AQI
62AQI
73AQI
67AQI
84AQI
92AQI
59AQI
46AQI
60AQI
71AQI
75AQI
70AQI
69AQI
79AQI
78AQI
66AQI
62AQI
62AQI
54AQI
49AQI
29AQI
30AQI
33AQI
41AQI
53AQI
55AQI
60AQI
61AQI
61AQI
57AQI
59AQI
67AQI
48AQI
42AQI
35AQI
37AQI
37AQI
43AQI
34AQI
50AQI
41AQI
44AQI
41AQI
44AQI
37AQI
23AQI
24AQI
30AQI
55AQI
38AQI
47AQI
59AQI
45AQI
31AQI
30AQI
37AQI
43AQI
43AQI
41AQI
25AQI
23AQI
29AQI
34AQI
39AQI
44AQI
42AQI
43AQI
28AQI
32AQI
20AQI
16AQI
17AQI
20AQI
18AQI
16AQI
15AQI
20AQI
14AQI
15AQI
24AQI
33AQI
36AQI
34AQI
25AQI
42AQI
41AQI
45AQI
24AQI
19AQI
23AQI
36AQI
46AQI
48AQI
35AQI
28AQI
21AQI
19AQI
33AQI
35AQI
20AQI
21AQI
31AQI
32AQI
29AQI
23AQI
24AQI
25AQI
19AQI
18AQI
20AQI
23AQI
20AQI
16AQI
19AQI
25AQI
27AQI
25AQI
20AQI
24AQI
18AQI
17AQI
16AQI
34AQI
44AQI
58AQI
65AQI
56AQI
60AQI
59AQI
48AQI
34AQI
34AQI
37AQI
46AQI
49AQI
43AQI
42AQI
38AQI
32AQI
30AQI
33AQI
29AQI
25AQI
28AQI
29AQI
28AQI
33AQI
33AQI
41AQI
42AQI
34AQI
24AQI
20AQI
18AQI
20AQI
23AQI
24AQI
28AQI
27AQI
28AQI
30AQI
24AQI
21AQI
27AQI
29AQI
19AQI
16AQI
17AQI
17AQI
18AQI
22AQI
23AQI
18AQI
21AQI
23AQI
22AQI
23AQI
22AQI
20AQI
23AQI
27AQI
23AQI
26AQI
37AQI
50AQI
53AQI
54AQI
59AQI
62AQI
60AQI
60AQI
63AQI
55AQI
52AQI
47AQI
45AQI
27AQI
29AQI
26AQI
23AQI
26AQI
33AQI
46AQI
37AQI
21AQI
17AQI
15AQI
15AQI
15AQI
16AQI
17AQI
18AQI
16AQI
20AQI
23AQI
23AQI
22AQI
19AQI
16AQI
18AQI
16AQI
14AQI
17AQI
18AQI
21AQI
28AQI
39AQI
42AQI
19AQI
17AQI
16AQI
14AQI
20AQI
15AQI
26AQI
46AQI
62AQI
45AQI
29AQI
28AQI
37AQI
25AQI
37AQI
20AQI
No. of days
202536AQI
Highest AQI recorded in
February62AQI
Lowest AQI recorded in
September20AQI
202424AQI
Highest AQI recorded in
December33AQI
Lowest AQI recorded in
October16AQI
202325AQI
Highest AQI recorded in
June38AQI
Lowest AQI recorded in
January19AQI
202224AQI
Highest AQI recorded in
July34AQI
Lowest AQI recorded in
November16AQI
202123AQI
Highest AQI recorded in
June29AQI
Lowest AQI recorded in
November14AQI
202024AQI
Highest AQI recorded in
April34AQI
Lowest AQI recorded in
December15AQI
Most & Least Polluted Years Over the Last 6 Years
Dubendorf Empa's annual 2025 AQI (36) shows an average percentage change of 52.6% (worsened AQI) compared to previous years: 2020 (24), 2021 (23), 2022 (24), 2023 (25), 2024 (24).