Buchs, Sankt Gallen, Switzerland Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Buchs, Sankt Gallen, Switzerland
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 4 years varied significantly: 2026 ranks 3rd highest AQI at 15 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
Buchs, Sankt Gallen, Switzerland
5 AM3rd Jun 2026
8 PM
4 AM4th Jun 2026
26AQI
8AQI
23AQI
8AQI
In the last 24 hours,
Buchs's AQI reached its highest point of 26 at 6 PM during the Day, while the lowest point, 8, was recorded at 4 AM during the Night between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Buchs, Sankt Gallen, Switzerland
7°C5/12°C
7°C2/11°C
10°C3/16°C
11°C5/17°C
12°C7/19°C
8°C6/10°C
2°C-1/5°C
4°C-2/11°C
3°C2/5°C
2°C-1/5°C
3°C0/7°C
6°C-1/12°C
6°C3/11°C
7°C2/14°C
10°C6/14°C
12°C6/19°C
15°C8/22°C
16°C10/23°C
18°C11/24°C
19°C12/25°C
20°C14/26°C
18°C14/25°C
17°C12/22°C
16°C10/23°C
17°C11/23°C
17°C12/24°C
14°C10/19°C
13°C9/17°C
10°C8/15°C
12°C8/19°C
32AQI
25AQI
32AQI
27AQI
2026 Days Vs Air Quality
Buchs, Sankt Gallen, Switzerland
75%
114
25%
37
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 75%
Health Risk Level:
Low
In 2026, 75% of 155 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
Buchs, Sankt Gallen, Switzerland
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
98AQI (US)
62AQI (US)
28AQI (US)
35AQI (US)
62AQI (US)
54AQI (US)
66AQI (US)
27AQI (US)
19AQI (US)
16AQI (US)
44AQI (US)
29AQI (US)
40AQI (US)
48AQI (US)
52AQI (US)
57AQI (US)
72AQI (US)
63AQI (US)
62AQI (US)
56AQI (US)
55AQI (US)
66AQI (US)
69AQI (US)
79AQI (US)
76AQI (US)
30AQI (US)
26AQI (US)
56AQI (US)
33AQI (US)
35AQI (US)
38AQI (US)
49AQI (US)
54AQI (US)
48AQI (US)
42AQI (US)
71AQI (US)
62AQI (US)
23AQI (US)
35AQI (US)
55AQI (US)
64AQI (US)
20AQI (US)
10AQI (US)
24AQI (US)
33AQI (US)
25AQI (US)
29AQI (US)
40AQI (US)
36AQI (US)
47AQI (US)
25AQI (US)
21AQI (US)
32AQI (US)
21AQI (US)
18AQI (US)
34AQI (US)
29AQI (US)
38AQI (US)
31AQI (US)
21AQI (US)
40AQI (US)
45AQI (US)
54AQI (US)
66AQI (US)
73AQI (US)
77AQI (US)
82AQI (US)
71AQI (US)
56AQI (US)
24AQI (US)
10AQI (US)
29AQI (US)
26AQI (US)
21AQI (US)
29AQI (US)
19AQI (US)
28AQI (US)
65AQI (US)
56AQI (US)
62AQI (US)
60AQI (US)
52AQI (US)
59AQI (US)
29AQI (US)
11AQI (US)
16AQI (US)
29AQI (US)
26AQI (US)
23AQI (US)
29AQI (US)
23AQI (US)
30AQI (US)
27AQI (US)
22AQI (US)
24AQI (US)
19AQI (US)
28AQI (US)
26AQI (US)
21AQI (US)
27AQI (US)
36AQI (US)
17AQI (US)
17AQI (US)
22AQI (US)
39AQI (US)
26AQI (US)
24AQI (US)
27AQI (US)
14AQI (US)
15AQI (US)
22AQI (US)
18AQI (US)
19AQI (US)
21AQI (US)
26AQI (US)
22AQI (US)
19AQI (US)
22AQI (US)
24AQI (US)
32AQI (US)
25AQI (US)
24AQI (US)
27AQI (US)
19AQI (US)
12AQI (US)
28AQI (US)
24AQI (US)
24AQI (US)
18AQI (US)
22AQI (US)
19AQI (US)
25AQI (US)
35AQI (US)
39AQI (US)
32AQI (US)
34AQI (US)
35AQI (US)
34AQI (US)
34AQI (US)
39AQI (US)
51AQI (US)
45AQI (US)
57AQI (US)
42AQI (US)
28AQI (US)
26AQI (US)
19AQI (US)
41AQI (US)
15AQI (US)
24AQI (US)
15AQI (US)
50AQI (US)
36AQI (US)
42AQI (US)
23AQI (US)
30AQI (US)
18AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
January50AQI (US)
Lowest AQI (US) recorded in
June18AQI (US)
202542AQI (US)
Highest AQI (US) recorded in
February60AQI (US)
Lowest AQI (US) recorded in
July22AQI (US)
202426AQI (US)
Highest AQI (US) recorded in
December42AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
202328AQI (US)
Highest AQI (US) recorded in
May43AQI (US)
Lowest AQI (US) recorded in
November19AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
December56AQI (US)
Lowest AQI (US) recorded in
November29AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Buchs's annual 2026 AQI (US) (36) shows an average percentage change of 14.6% (worsened AQI (US)) compared to previous years: 2022 (34), 2023 (28), 2024 (26), 2025 (42).