Weinfelden, Thurgau, Switzerland Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Weinfelden, Thurgau, Switzerland
AQI Trends: Highest and Lowest
Same Day Analysis (15th March):
On this day, AQI across the 4 years varied significantly: 2026 ranks 4th highest AQI at 18 of Good air quality, showing improvement over 2025, 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Mar - 15th Mar 2026
Weinfelden, Thurgau, Switzerland
7 AM14th Mar 2026
6 PM
6 AM15th Mar 2026
32AQI
10AQI
27AQI
8AQI
In the last 24 hours,
Weinfelden's AQI reached its highest point of 32 at 10 AM during the Day, while the lowest point, 8, was recorded at 9 PM during the Night between 14th Mar and 15th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Weinfelden, Thurgau, Switzerland
3°C0/5°C
1°C-1/3°C
5°C2/6°C
2°C-2/4°C
1°C-3/5°C
2°C-1/6°C
3°C2/4°C
6°C4/8°C
6°C2/10°C
9°C5/11°C
9°C5/11°C
7°C2/14°C
8°C2/17°C
9°C3/17°C
8°C4/12°C
6°C4/8°C
6°C0/13°C
6°C1/14°C
6°C1/13°C
6°C0/14°C
7°C1/16°C
8°C2/15°C
8°C3/16°C
8°C4/15°C
8°C3/16°C
9°C4/14°C
7°C2/12°C
7°C0/15°C
4°C2/7°C
3°C2/5°C
36AQI
34AQI
43AQI
35AQI
2026 Days Vs Air Quality
Weinfelden, Thurgau, Switzerland
57%
42
43%
32
Total number of days with different AQI categories in last 75 days in 2026 (290 days remaining)
Under WHO’s Safe Air Quality Limits: 57%
Health Risk Level:
Considerable
In 2026, 57% of 75 days were within WHO’s safe air quality limits, and 43% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Weinfelden, Thurgau, Switzerland
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
81AQI (US)
56AQI (US)
39AQI (US)
44AQI (US)
62AQI (US)
63AQI (US)
70AQI (US)
25AQI (US)
17AQI (US)
10AQI (US)
38AQI (US)
42AQI (US)
48AQI (US)
53AQI (US)
55AQI (US)
56AQI (US)
64AQI (US)
59AQI (US)
56AQI (US)
50AQI (US)
54AQI (US)
66AQI (US)
73AQI (US)
78AQI (US)
83AQI (US)
37AQI (US)
28AQI (US)
55AQI (US)
36AQI (US)
39AQI (US)
60AQI (US)
62AQI (US)
65AQI (US)
54AQI (US)
46AQI (US)
68AQI (US)
68AQI (US)
27AQI (US)
30AQI (US)
56AQI (US)
69AQI (US)
25AQI (US)
9AQI (US)
22AQI (US)
29AQI (US)
25AQI (US)
32AQI (US)
33AQI (US)
36AQI (US)
45AQI (US)
27AQI (US)
19AQI (US)
29AQI (US)
19AQI (US)
15AQI (US)
31AQI (US)
24AQI (US)
29AQI (US)
28AQI (US)
16AQI (US)
37AQI (US)
40AQI (US)
54AQI (US)
72AQI (US)
79AQI (US)
81AQI (US)
90AQI (US)
80AQI (US)
61AQI (US)
25AQI (US)
9AQI (US)
27AQI (US)
23AQI (US)
18AQI (US)
51.516129032258064AQI (US)
36.5AQI (US)
47.46666666666667AQI (US)
No. of days
202645.013513513513516AQI (US)
Highest AQI (US) recorded in
January51.516129032258064AQI (US)
Lowest AQI (US) recorded in
February36.5AQI (US)
202537.6958904109589AQI (US)
Highest AQI (US) recorded in
February56.464285714285715AQI (US)
Lowest AQI (US) recorded in
September20.9AQI (US)
202429.46005509641873AQI (US)
Highest AQI (US) recorded in
December40.03225806451613AQI (US)
Lowest AQI (US) recorded in
January20AQI (US)
202314.783783783783784AQI (US)
Highest AQI (US) recorded in
January23AQI (US)
Lowest AQI (US) recorded in
November6.666666666666667AQI (US)
202225.75AQI (US)
Highest AQI (US) recorded in
July39.04545454545455AQI (US)
Lowest AQI (US) recorded in
December14.935483870967742AQI (US)
202114.727272727272727AQI (US)
Highest AQI (US) recorded in
December17.933333333333334AQI (US)
Lowest AQI (US) recorded in
October11AQI (US)
202025.67924528301887AQI (US)
Highest AQI (US) recorded in
April38.142857142857146AQI (US)
Lowest AQI (US) recorded in
November11.933333333333334AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Weinfelden's annual 2026 AQI (US) (45.013513513513516) shows an average percentage change of 105.4% (worsened AQI (US)) compared to previous years: 2020 (25.67924528301887), 2021 (14.727272727272727), 2022 (25.75), 2023 (14.783783783783784), 2024 (29.46005509641873), 2025 (37.6958904109589).