Schlieren, Zurich, Switzerland 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
Schlieren, Zurich, Switzerland
AQI Trends: Highest and Lowest
Same Day Analysis (4th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 35 of Good air quality on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Schlieren, Zurich, Switzerland
5 AM4th Aug 2026
9 PM
4 AM5th Aug 2026
46AQI
25AQI
46AQI
21AQI
In the last 24 hours,
Schlieren's AQI reached its highest point of 46 at 8 PM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Schlieren, Zurich, Switzerland
22°C14/31°C
22°C14/29°C
22°C14/30°C
22°C13/31°C
23°C15/32°C
22°C13/30°C
22°C13/31°C
22°C16/33°C
20°C15/30°C
21°C14/32°C
21°C15/29°C
19°C15/27°C
18°C12/25°C
18°C10/26°C
17°C9/24°C
18°C10/26°C
18°C12/26°C
18°C8/27°C
21°C11/31°C
20°C15/26°C
20°C15/25°C
21°C13/30°C
25°C15/35°C
25°C17/37°C
23°C16/33°C
22°C15/29°C
23°C15/32°C
23°C17/36°C
24°C17/34°C
22°C16/31°C
34AQI
27AQI
35AQI
30AQI
2026 Days Vs Air Quality
Schlieren, Zurich, Switzerland
80%
171
20%
42
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2026, 80% of 217 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
Schlieren, Zurich, Switzerland
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
99AQI (US)
33AQI (US)
18AQI (US)
27AQI (US)
50AQI (US)
71AQI (US)
79AQI (US)
30AQI (US)
12AQI (US)
10AQI (US)
45AQI (US)
33AQI (US)
34AQI (US)
44AQI (US)
37AQI (US)
62AQI (US)
77AQI (US)
67AQI (US)
66AQI (US)
53AQI (US)
61AQI (US)
84AQI (US)
81AQI (US)
85AQI (US)
86AQI (US)
28AQI (US)
37AQI (US)
60AQI (US)
21AQI (US)
52AQI (US)
57AQI (US)
70AQI (US)
70AQI (US)
51AQI (US)
55AQI (US)
86AQI (US)
57AQI (US)
17AQI (US)
47AQI (US)
62AQI (US)
67AQI (US)
15AQI (US)
8AQI (US)
14AQI (US)
33AQI (US)
26AQI (US)
35AQI (US)
42AQI (US)
28AQI (US)
52AQI (US)
27AQI (US)
19AQI (US)
30AQI (US)
25AQI (US)
17AQI (US)
32AQI (US)
32AQI (US)
31AQI (US)
33AQI (US)
14AQI (US)
40AQI (US)
39AQI (US)
54AQI (US)
78AQI (US)
85AQI (US)
94AQI (US)
97AQI (US)
75AQI (US)
56AQI (US)
9AQI (US)
9AQI (US)
26AQI (US)
33AQI (US)
26AQI (US)
27AQI (US)
18AQI (US)
32AQI (US)
80AQI (US)
57AQI (US)
80AQI (US)
89AQI (US)
74AQI (US)
74AQI (US)
47AQI (US)
10AQI (US)
16AQI (US)
29AQI (US)
26AQI (US)
21AQI (US)
27AQI (US)
23AQI (US)
30AQI (US)
23AQI (US)
18AQI (US)
16AQI (US)
22AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
34AQI (US)
52AQI (US)
19AQI (US)
24AQI (US)
17AQI (US)
50AQI (US)
28AQI (US)
23AQI (US)
26AQI (US)
15AQI (US)
18AQI (US)
20AQI (US)
19AQI (US)
22AQI (US)
23AQI (US)
24AQI (US)
21AQI (US)
17AQI (US)
21AQI (US)
32AQI (US)
44AQI (US)
34AQI (US)
18AQI (US)
26AQI (US)
22AQI (US)
14AQI (US)
29AQI (US)
23AQI (US)
22AQI (US)
18AQI (US)
23AQI (US)
18AQI (US)
25AQI (US)
36AQI (US)
38AQI (US)
32AQI (US)
33AQI (US)
34AQI (US)
34AQI (US)
36AQI (US)
40AQI (US)
51AQI (US)
43AQI (US)
36AQI (US)
31AQI (US)
27AQI (US)
20AQI (US)
22AQI (US)
25AQI (US)
22AQI (US)
25AQI (US)
14AQI (US)
15AQI (US)
14AQI (US)
19AQI (US)
19AQI (US)
21AQI (US)
18AQI (US)
18AQI (US)
17AQI (US)
18AQI (US)
19AQI (US)
19AQI (US)
18AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
32AQI (US)
25AQI (US)
33AQI (US)
25AQI (US)
50AQI (US)
48AQI (US)
35AQI (US)
36AQI (US)
49AQI (US)
28AQI (US)
22AQI (US)
23AQI (US)
18AQI (US)
20AQI (US)
22AQI (US)
21AQI (US)
24AQI (US)
16AQI (US)
19AQI (US)
18AQI (US)
19AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
31AQI (US)
38AQI (US)
20AQI (US)
21AQI (US)
27AQI (US)
32AQI (US)
24AQI (US)
28AQI (US)
27AQI (US)
24AQI (US)
23AQI (US)
27AQI (US)
40AQI (US)
35AQI (US)
23AQI (US)
36AQI (US)
58AQI (US)
66AQI (US)
47AQI (US)
46AQI (US)
47AQI (US)
35AQI (US)
52AQI (US)
39AQI (US)
47AQI (US)
24AQI (US)
30AQI (US)
25AQI (US)
28AQI (US)
44AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
January52AQI (US)
Lowest AQI (US) recorded in
April24AQI (US)
202542AQI (US)
Highest AQI (US) recorded in
February66AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
20237AQI (US)
Highest AQI (US) recorded in
December7AQI (US)
Lowest AQI (US) recorded in
November5AQI (US)
202215AQI (US)
Highest AQI (US) recorded in
January15AQI (US)
Lowest AQI (US) recorded in
January15AQI (US)
202122AQI (US)
Highest AQI (US) recorded in
April30AQI (US)
Lowest AQI (US) recorded in
November14AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Schlieren's annual 2026 AQI (US) (35) shows an average percentage change of 143.9% (worsened AQI (US)) compared to previous years: 2021 (22), 2022 (15), 2023 (7), 2025 (42).