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!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
Buchs, Sankt Gallen, Switzerland
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Aug 2024
51AQILowest AQI recorded on
7th Aug 2023
8AQISame Day Analysis (2nd August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 22 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Buchs, Sankt Gallen, Switzerland
AQI
Day
Night
.
5 AM2nd Aug 2025
9 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
6AM2nd Aug
23AQI
Avg. Lowest Time
10AM2nd Aug
17AQI
Night time
Avg. Highest Time
1AM3rd Aug
25AQI
Avg. Lowest Time
3AM3rd Aug
19AQI
In the last 24 hours,
Buchs's AQI reached its highest point of 25 at 1 AM during the Night, while the lowest point, 17, was recorded at 10 AM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Buchs, Sankt Gallen, Switzerland
JulAug
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025355 AMAQI
4th Jul 2025346 AMAQI
4th Jul 2025397 AMAQI
4th Jul 2025368 AMAQI
4th Jul 2025399 AMAQI
4th Jul 20253710 AMAQI
4th Jul 20253711 AMAQI
4th Jul 20254112 PMAQI
4th Jul 2025391 PMAQI
4th Jul 2025362 PMAQI
4th Jul 2025343 PMAQI
4th Jul 2025334 PMAQI
4th Jul 2025345 PMAQI
4th Jul 2025346 PMAQI
4th Jul 2025347 PMAQI
4th Jul 2025358 PMAQI
4th Jul 2025349 PMAQI
4th Jul 20253310 PMAQI
4th Jul 20253411 PMAQI
5th Jul 20253312 AMAQI
5th Jul 2025361 AMAQI
5th Jul 2025342 AMAQI
5th Jul 2025323 AMAQI
5th Jul 2025324 AMAQI
17°C13/21°C
5th Jul 2025365 AMAQI
5th Jul 2025376 AMAQI
5th Jul 2025377 AMAQI
5th Jul 2025388 AMAQI
5th Jul 2025419 AMAQI
5th Jul 20254110 AMAQI
5th Jul 20253811 AMAQI
5th Jul 20253712 PMAQI
5th Jul 2025341 PMAQI
5th Jul 2025382 PMAQI
5th Jul 2025353 PMAQI
5th Jul 2025344 PMAQI
5th Jul 2025345 PMAQI
5th Jul 2025346 PMAQI
5th Jul 2025347 PMAQI
5th Jul 2025358 PMAQI
5th Jul 2025349 PMAQI
5th Jul 20253210 PMAQI
5th Jul 20253211 PMAQI
6th Jul 20253312 AMAQI
6th Jul 2025361 AMAQI
6th Jul 2025342 AMAQI
6th Jul 2025293 AMAQI
6th Jul 2025284 AMAQI
18°C13/23°C
6th Jul 2025345 AMAQI
6th Jul 2025446 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025558 AMAQI
6th Jul 2025539 AMAQI
6th Jul 20255810 AMAQI
6th Jul 20255211 AMAQI
6th Jul 20253912 PMAQI
6th Jul 2025351 PMAQI
6th Jul 2025322 PMAQI
6th Jul 2025333 PMAQI
6th Jul 2025324 PMAQI
6th Jul 2025325 PMAQI
6th Jul 2025296 PMAQI
6th Jul 2025317 PMAQI
6th Jul 2025308 PMAQI
6th Jul 2025319 PMAQI
6th Jul 20252810 PMAQI
6th Jul 20253011 PMAQI
7th Jul 20253112 AMAQI
7th Jul 2025341 AMAQI
7th Jul 2025222 AMAQI
7th Jul 2025223 AMAQI
7th Jul 2025234 AMAQI
15°C11/20°C
7th Jul 2025245 AMAQI
7th Jul 2025266 AMAQI
7th Jul 2025227 AMAQI
7th Jul 2025188 AMAQI
7th Jul 2025179 AMAQI
7th Jul 20251810 AMAQI
7th Jul 20251811 AMAQI
7th Jul 20251812 PMAQI
7th Jul 2025191 PMAQI
7th Jul 2025202 PMAQI
7th Jul 2025213 PMAQI
7th Jul 2025204 PMAQI
7th Jul 2025215 PMAQI
7th Jul 2025206 PMAQI
7th Jul 2025197 PMAQI
7th Jul 2025208 PMAQI
7th Jul 2025209 PMAQI
7th Jul 20252210 PMAQI
7th Jul 20252111 PMAQI
8th Jul 20252412 AMAQI
8th Jul 2025271 AMAQI
8th Jul 2025192 AMAQI
8th Jul 2025163 AMAQI
8th Jul 2025204 AMAQI
12°C9/15°C
8th Jul 2025185 AMAQI
8th Jul 2025206 AMAQI
8th Jul 2025187 AMAQI
8th Jul 2025188 AMAQI
8th Jul 2025189 AMAQI
8th Jul 20251810 AMAQI
8th Jul 20251911 AMAQI
8th Jul 20251812 PMAQI
8th Jul 2025181 PMAQI
8th Jul 2025182 PMAQI
8th Jul 2025183 PMAQI
8th Jul 2025184 PMAQI
8th Jul 2025185 PMAQI
8th Jul 2025186 PMAQI
8th Jul 2025187 PMAQI
8th Jul 2025188 PMAQI
8th Jul 2025189 PMAQI
8th Jul 20251810 PMAQI
8th Jul 20251811 PMAQI
9th Jul 20251912 AMAQI
9th Jul 2025201 AMAQI
9th Jul 2025172 AMAQI
9th Jul 2025153 AMAQI
9th Jul 2025144 AMAQI
9°C7/9°C
9th Jul 2025155 AMAQI
9th Jul 2025176 AMAQI
9th Jul 2025187 AMAQI
9th Jul 2025178 AMAQI
9th Jul 2025189 AMAQI
9th Jul 20251810 AMAQI
9th Jul 20251711 AMAQI
9th Jul 20251812 PMAQI
9th Jul 2025171 PMAQI
9th Jul 2025162 PMAQI
9th Jul 2025163 PMAQI
9th Jul 2025164 PMAQI
9th Jul 2025165 PMAQI
9th Jul 2025166 PMAQI
9th Jul 2025177 PMAQI
9th Jul 2025178 PMAQI
9th Jul 2025179 PMAQI
9th Jul 20251610 PMAQI
9th Jul 20251611 PMAQI
10th Jul 20251812 AMAQI
10th Jul 2025191 AMAQI
10th Jul 2025182 AMAQI
10th Jul 2025173 AMAQI
10th Jul 2025184 AMAQI
11°C7/16°C
10th Jul 2025185 AMAQI
10th Jul 2025176 AMAQI
10th Jul 2025187 AMAQI
10th Jul 2025228 AMAQI
10th Jul 2025239 AMAQI
10th Jul 20252110 AMAQI
10th Jul 20252011 AMAQI
10th Jul 20251812 PMAQI
10th Jul 2025181 PMAQI
10th Jul 2025202 PMAQI
10th Jul 2025223 PMAQI
10th Jul 2025214 PMAQI
10th Jul 2025205 PMAQI
10th Jul 2025206 PMAQI
10th Jul 2025217 PMAQI
10th Jul 2025218 PMAQI
10th Jul 2025219 PMAQI
10th Jul 20251910 PMAQI
10th Jul 20252211 PMAQI
11th Jul 20252112 AMAQI
11th Jul 2025201 AMAQI
11th Jul 2025182 AMAQI
11th Jul 2025173 AMAQI
11th Jul 2025174 AMAQI
13°C6/19°C
11th Jul 2025175 AMAQI
11th Jul 2025196 AMAQI
11th Jul 2025227 AMAQI
11th Jul 2025248 AMAQI
11th Jul 2025249 AMAQI
11th Jul 20252410 AMAQI
11th Jul 20252211 AMAQI
11th Jul 20252212 PMAQI
11th Jul 2025241 PMAQI
11th Jul 2025222 PMAQI
11th Jul 2025223 PMAQI
11th Jul 2025224 PMAQI
11th Jul 2025225 PMAQI
11th Jul 2025226 PMAQI
11th Jul 2025227 PMAQI
11th Jul 2025208 PMAQI
11th Jul 2025219 PMAQI
11th Jul 20252110 PMAQI
11th Jul 20252211 PMAQI
12th Jul 20252212 AMAQI
12th Jul 2025231 AMAQI
12th Jul 2025192 AMAQI
12th Jul 2025183 AMAQI
12th Jul 2025214 AMAQI
14°C8/20°C
12th Jul 2025225 AMAQI
12th Jul 2025236 AMAQI
12th Jul 2025227 AMAQI
12th Jul 2025248 AMAQI
12th Jul 2025249 AMAQI
12th Jul 20252610 AMAQI
12th Jul 20252311 AMAQI
12th Jul 20252112 PMAQI
12th Jul 2025221 PMAQI
12th Jul 2025202 PMAQI
12th Jul 2025203 PMAQI
12th Jul 2025214 PMAQI
12th Jul 2025215 PMAQI
12th Jul 2025216 PMAQI
12th Jul 2025227 PMAQI
12th Jul 2025218 PMAQI
12th Jul 2025229 PMAQI
12th Jul 20252010 PMAQI
12th Jul 20252011 PMAQI
13th Jul 20252212 AMAQI
13th Jul 2025231 AMAQI
13th Jul 2025222 AMAQI
13th Jul 2025203 AMAQI
13th Jul 2025234 AMAQI
15°C9/21°C
13th Jul 2025235 AMAQI
13th Jul 2025236 AMAQI
13th Jul 2025247 AMAQI
13th Jul 2025248 AMAQI
13th Jul 2025249 AMAQI
13th Jul 20252410 AMAQI
13th Jul 20252411 AMAQI
13th Jul 20252412 PMAQI
13th Jul 2025221 PMAQI
13th Jul 2025242 PMAQI
13th Jul 2025233 PMAQI
13th Jul 2025244 PMAQI
13th Jul 2025235 PMAQI
13th Jul 2025226 PMAQI
13th Jul 2025227 PMAQI
13th Jul 2025248 PMAQI
13th Jul 2025249 PMAQI
13th Jul 20252410 PMAQI
13th Jul 20252311 PMAQI
14th Jul 20252512 AMAQI
14th Jul 2025251 AMAQI
14th Jul 2025232 AMAQI
14th Jul 2025223 AMAQI
14th Jul 2025214 AMAQI
17°C11/23°C
14th Jul 2025205 AMAQI
14th Jul 2025246 AMAQI
14th Jul 2025237 AMAQI
14th Jul 2025248 AMAQI
14th Jul 2025249 AMAQI
14th Jul 20252310 AMAQI
14th Jul 20252411 AMAQI
14th Jul 20252312 PMAQI
14th Jul 2025231 PMAQI
14th Jul 2025242 PMAQI
14th Jul 2025243 PMAQI
14th Jul 2025234 PMAQI
14th Jul 2025235 PMAQI
14th Jul 2025246 PMAQI
14th Jul 2025247 PMAQI
14th Jul 2025238 PMAQI
14th Jul 2025249 PMAQI
14th Jul 20252310 PMAQI
14th Jul 20252311 PMAQI
15th Jul 20252312 AMAQI
15th Jul 2025241 AMAQI
15th Jul 2025222 AMAQI
15th Jul 2025203 AMAQI
15th Jul 2025204 AMAQI
16°C13/22°C
15th Jul 2025205 AMAQI
15th Jul 2025226 AMAQI
15th Jul 2025237 AMAQI
15th Jul 2025248 AMAQI
15th Jul 2025239 AMAQI
15th Jul 20252310 AMAQI
15th Jul 20252311 AMAQI
15th Jul 20252312 PMAQI
15th Jul 2025221 PMAQI
15th Jul 2025232 PMAQI
15th Jul 2025223 PMAQI
15th Jul 2025234 PMAQI
15th Jul 2025245 PMAQI
15th Jul 2025246 PMAQI
15th Jul 2025247 PMAQI
15th Jul 2025258 PMAQI
15th Jul 2025249 PMAQI
15th Jul 20252410 PMAQI
15th Jul 20252411 PMAQI
16th Jul 20252412 AMAQI
16th Jul 2025241 AMAQI
16th Jul 2025252 AMAQI
16th Jul 2025243 AMAQI
16th Jul 2025254 AMAQI
15°C11/18°C
16th Jul 2025265 AMAQI
16th Jul 2025276 AMAQI
16th Jul 2025257 AMAQI
16th Jul 2025268 AMAQI
16th Jul 2025289 AMAQI
16th Jul 20252710 AMAQI
16th Jul 20252611 AMAQI
16th Jul 20252612 PMAQI
16th Jul 2025251 PMAQI
16th Jul 2025262 PMAQI
16th Jul 2025253 PMAQI
16th Jul 2025244 PMAQI
16th Jul 2025245 PMAQI
16th Jul 2025256 PMAQI
16th Jul 2025267 PMAQI
16th Jul 2025268 PMAQI
16th Jul 2025269 PMAQI
16th Jul 20252610 PMAQI
16th Jul 20252511 PMAQI
17th Jul 20252712 AMAQI
17th Jul 2025271 AMAQI
17th Jul 2025202 AMAQI
17th Jul 2025163 AMAQI
17th Jul 2025164 AMAQI
13°C11/18°C
17th Jul 2025185 AMAQI
17th Jul 2025206 AMAQI
17th Jul 2025207 AMAQI
17th Jul 2025198 AMAQI
17th Jul 2025199 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20251811 AMAQI
17th Jul 20251712 PMAQI
17th Jul 2025181 PMAQI
17th Jul 2025212 PMAQI
17th Jul 2025223 PMAQI
17th Jul 2025214 PMAQI
17th Jul 2025215 PMAQI
17th Jul 2025216 PMAQI
17th Jul 2025217 PMAQI
17th Jul 2025228 PMAQI
17th Jul 2025229 PMAQI
17th Jul 20252210 PMAQI
17th Jul 20252211 PMAQI
18th Jul 20252112 AMAQI
18th Jul 2025211 AMAQI
18th Jul 2025202 AMAQI
18th Jul 2025183 AMAQI
18th Jul 2025184 AMAQI
15°C11/21°C
18th Jul 2025185 AMAQI
18th Jul 2025196 AMAQI
18th Jul 2025217 AMAQI
18th Jul 2025218 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20252210 AMAQI
18th Jul 20252111 AMAQI
18th Jul 20252112 PMAQI
18th Jul 2025211 PMAQI
18th Jul 2025202 PMAQI
18th Jul 2025203 PMAQI
18th Jul 2025224 PMAQI
18th Jul 2025225 PMAQI
18th Jul 2025226 PMAQI
18th Jul 2025217 PMAQI
18th Jul 2025218 PMAQI
18th Jul 2025209 PMAQI
18th Jul 20252010 PMAQI
18th Jul 20252111 PMAQI
19th Jul 20252212 AMAQI
19th Jul 2025211 AMAQI
19th Jul 2025202 AMAQI
19th Jul 2025223 AMAQI
19th Jul 2025224 AMAQI
16°C9/23°C
19th Jul 2025225 AMAQI
19th Jul 2025236 AMAQI
19th Jul 2025227 AMAQI
19th Jul 2025248 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20252410 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20252412 PMAQI
19th Jul 2025241 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025215 PMAQI
19th Jul 2025226 PMAQI
19th Jul 2025227 PMAQI
19th Jul 2025238 PMAQI
19th Jul 2025229 PMAQI
19th Jul 20252210 PMAQI
19th Jul 20252311 PMAQI
20th Jul 20252312 AMAQI
20th Jul 2025241 AMAQI
20th Jul 2025222 AMAQI
20th Jul 2025203 AMAQI
20th Jul 2025234 AMAQI
18°C13/28°C
20th Jul 2025235 AMAQI
20th Jul 2025236 AMAQI
20th Jul 2025227 AMAQI
20th Jul 2025238 AMAQI
20th Jul 2025249 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025241 PMAQI
20th Jul 2025232 PMAQI
20th Jul 2025243 PMAQI
20th Jul 2025244 PMAQI
20th Jul 2025235 PMAQI
20th Jul 2025256 PMAQI
20th Jul 2025267 PMAQI
20th Jul 2025268 PMAQI
20th Jul 2025269 PMAQI
20th Jul 20252510 PMAQI
20th Jul 20252411 PMAQI
21st Jul 20252512 AMAQI
21st Jul 2025261 AMAQI
21st Jul 2025262 AMAQI
21st Jul 2025193 AMAQI
21st Jul 2025204 AMAQI
18°C12/25°C
21st Jul 2025205 AMAQI
21st Jul 2025216 AMAQI
21st Jul 2025217 AMAQI
21st Jul 2025198 AMAQI
21st Jul 2025189 AMAQI
21st Jul 20251710 AMAQI
21st Jul 20251511 AMAQI
21st Jul 20251612 PMAQI
21st Jul 2025181 PMAQI
21st Jul 2025212 PMAQI
21st Jul 2025193 PMAQI
21st Jul 2025204 PMAQI
21st Jul 2025205 PMAQI
21st Jul 2025186 PMAQI
21st Jul 2025187 PMAQI
21st Jul 2025198 PMAQI
21st Jul 2025199 PMAQI
21st Jul 20252010 PMAQI
21st Jul 20251811 PMAQI
22nd Jul 20252012 AMAQI
22nd Jul 2025221 AMAQI
22nd Jul 2025172 AMAQI
22nd Jul 2025143 AMAQI
22nd Jul 2025144 AMAQI
13°C11/18°C
22nd Jul 2025145 AMAQI
22nd Jul 2025166 AMAQI
22nd Jul 2025167 AMAQI
22nd Jul 2025148 AMAQI
22nd Jul 2025159 AMAQI
22nd Jul 20251410 AMAQI
22nd Jul 20251311 AMAQI
22nd Jul 20251312 PMAQI
22nd Jul 2025141 PMAQI
22nd Jul 2025162 PMAQI
22nd Jul 2025163 PMAQI
22nd Jul 2025154 PMAQI
22nd Jul 2025155 PMAQI
22nd Jul 2025146 PMAQI
22nd Jul 2025167 PMAQI
22nd Jul 2025158 PMAQI
22nd Jul 2025169 PMAQI
22nd Jul 20251610 PMAQI
22nd Jul 20251611 PMAQI
23rd Jul 20251612 AMAQI
23rd Jul 2025171 AMAQI
23rd Jul 2025162 AMAQI
23rd Jul 2025133 AMAQI
23rd Jul 2025154 AMAQI
14°C11/19°C
23rd Jul 2025155 AMAQI
23rd Jul 2025156 AMAQI
23rd Jul 2025137 AMAQI
23rd Jul 2025148 AMAQI
23rd Jul 2025169 AMAQI
23rd Jul 20251510 AMAQI
23rd Jul 20251511 AMAQI
23rd Jul 20251512 PMAQI
23rd Jul 2025141 PMAQI
23rd Jul 2025152 PMAQI
23rd Jul 2025143 PMAQI
23rd Jul 2025154 PMAQI
23rd Jul 2025165 PMAQI
23rd Jul 2025166 PMAQI
23rd Jul 2025167 PMAQI
23rd Jul 2025168 PMAQI
23rd Jul 2025169 PMAQI
23rd Jul 20251610 PMAQI
23rd Jul 20251711 PMAQI
24th Jul 20251612 AMAQI
24th Jul 2025171 AMAQI
24th Jul 2025162 AMAQI
24th Jul 2025153 AMAQI
24th Jul 2025144 AMAQI
14°C9/19°C
24th Jul 2025155 AMAQI
24th Jul 2025186 AMAQI
24th Jul 2025187 AMAQI
24th Jul 2025168 AMAQI
24th Jul 2025179 AMAQI
24th Jul 20251710 AMAQI
24th Jul 20251811 AMAQI
24th Jul 20251812 PMAQI
24th Jul 2025161 PMAQI
24th Jul 2025182 PMAQI
24th Jul 2025193 PMAQI
24th Jul 2025184 PMAQI
24th Jul 2025175 PMAQI
24th Jul 2025176 PMAQI
24th Jul 2025177 PMAQI
24th Jul 2025168 PMAQI
24th Jul 2025179 PMAQI
24th Jul 20251710 PMAQI
24th Jul 20251711 PMAQI
25th Jul 20251712 AMAQI
25th Jul 2025181 AMAQI
25th Jul 2025162 AMAQI
25th Jul 2025163 AMAQI
25th Jul 2025164 AMAQI
12°C11/13°C
25th Jul 2025175 AMAQI
25th Jul 2025186 AMAQI
25th Jul 2025187 AMAQI
25th Jul 2025188 AMAQI
25th Jul 2025189 AMAQI
25th Jul 20251810 AMAQI
25th Jul 20251611 AMAQI
25th Jul 20251612 PMAQI
25th Jul 2025151 PMAQI
25th Jul 2025162 PMAQI
25th Jul 2025163 PMAQI
25th Jul 2025154 PMAQI
25th Jul 2025155 PMAQI
25th Jul 2025186 PMAQI
25th Jul 2025167 PMAQI
25th Jul 2025178 PMAQI
25th Jul 2025179 PMAQI
25th Jul 20251710 PMAQI
25th Jul 20251711 PMAQI
26th Jul 20251812 AMAQI
26th Jul 2025181 AMAQI
26th Jul 2025172 AMAQI
26th Jul 2025173 AMAQI
26th Jul 2025184 AMAQI
12°C9/16°C
26th Jul 2025185 AMAQI
26th Jul 2025186 AMAQI
26th Jul 2025197 AMAQI
26th Jul 2025188 AMAQI
26th Jul 2025199 AMAQI
26th Jul 20252010 AMAQI
26th Jul 20251911 AMAQI
26th Jul 20252112 PMAQI
26th Jul 2025201 PMAQI
26th Jul 2025202 PMAQI
26th Jul 2025223 PMAQI
26th Jul 2025224 PMAQI
26th Jul 2025215 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025207 PMAQI
26th Jul 2025208 PMAQI
26th Jul 2025209 PMAQI
26th Jul 20251810 PMAQI
26th Jul 20251811 PMAQI
27th Jul 20251912 AMAQI
27th Jul 2025201 AMAQI
27th Jul 2025212 AMAQI
27th Jul 2025183 AMAQI
27th Jul 2025184 AMAQI
11°C10/13°C
27th Jul 2025175 AMAQI
27th Jul 2025186 AMAQI
27th Jul 2025227 AMAQI
27th Jul 2025208 AMAQI
27th Jul 2025209 AMAQI
27th Jul 20252110 AMAQI
27th Jul 20251811 AMAQI
27th Jul 20252012 PMAQI
27th Jul 2025211 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025213 PMAQI
27th Jul 2025224 PMAQI
27th Jul 2025215 PMAQI
27th Jul 2025206 PMAQI
27th Jul 2025207 PMAQI
27th Jul 2025198 PMAQI
27th Jul 2025209 PMAQI
27th Jul 20252010 PMAQI
27th Jul 20252111 PMAQI
28th Jul 20252012 AMAQI
28th Jul 2025211 AMAQI
28th Jul 2025172 AMAQI
28th Jul 2025163 AMAQI
28th Jul 2025154 AMAQI
13°C11/17°C
28th Jul 2025165 AMAQI
28th Jul 2025176 AMAQI
28th Jul 2025177 AMAQI
28th Jul 2025178 AMAQI
28th Jul 2025179 AMAQI
28th Jul 20251710 AMAQI
28th Jul 20251811 AMAQI
28th Jul 20251412 PMAQI
28th Jul 2025171 PMAQI
28th Jul 2025182 PMAQI
28th Jul 2025183 PMAQI
28th Jul 2025174 PMAQI
28th Jul 2025185 PMAQI
28th Jul 2025176 PMAQI
28th Jul 2025177 PMAQI
28th Jul 2025188 PMAQI
28th Jul 2025189 PMAQI
28th Jul 20251810 PMAQI
28th Jul 20251811 PMAQI
29th Jul 20251812 AMAQI
29th Jul 2025181 AMAQI
29th Jul 2025182 AMAQI
29th Jul 2025183 AMAQI
29th Jul 2025184 AMAQI
10°C9/10°C
29th Jul 2025205 AMAQI
29th Jul 2025196 AMAQI
29th Jul 2025197 AMAQI
29th Jul 2025208 AMAQI
29th Jul 2025219 AMAQI
29th Jul 20252010 AMAQI
29th Jul 20252011 AMAQI
29th Jul 20252012 PMAQI
29th Jul 2025201 PMAQI
29th Jul 2025192 PMAQI
29th Jul 2025193 PMAQI
29th Jul 2025184 PMAQI
29th Jul 2025185 PMAQI
29th Jul 2025206 PMAQI
29th Jul 2025197 PMAQI
29th Jul 2025198 PMAQI
29th Jul 2025209 PMAQI
29th Jul 20252010 PMAQI
29th Jul 20252011 PMAQI
30th Jul 20252112 AMAQI
30th Jul 2025201 AMAQI
30th Jul 2025222 AMAQI
30th Jul 2025213 AMAQI
30th Jul 2025204 AMAQI
11°C9/15°C
30th Jul 2025205 AMAQI
30th Jul 2025186 AMAQI
30th Jul 2025197 AMAQI
30th Jul 2025208 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20252110 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252012 PMAQI
30th Jul 2025201 PMAQI
30th Jul 2025212 PMAQI
30th Jul 2025203 PMAQI
30th Jul 2025214 PMAQI
30th Jul 2025215 PMAQI
30th Jul 2025216 PMAQI
30th Jul 2025217 PMAQI
30th Jul 2025208 PMAQI
30th Jul 2025239 PMAQI
30th Jul 20252310 PMAQI
30th Jul 20252311 PMAQI
31st Jul 20252312 AMAQI
31st Jul 2025231 AMAQI
31st Jul 2025232 AMAQI
31st Jul 2025233 AMAQI
31st Jul 2025204 AMAQI
13°C7/18°C
31st Jul 2025205 AMAQI
31st Jul 2025206 AMAQI
31st Jul 2025217 AMAQI
31st Jul 2025218 AMAQI
31st Jul 2025229 AMAQI
31st Jul 20252210 AMAQI
31st Jul 20252111 AMAQI
31st Jul 20251812 PMAQI
31st Jul 2025181 PMAQI
31st Jul 2025222 PMAQI
31st Jul 2025223 PMAQI
31st Jul 2025244 PMAQI
31st Jul 2025225 PMAQI
31st Jul 2025216 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025228 PMAQI
31st Jul 2025249 PMAQI
31st Jul 20252410 PMAQI
31st Jul 20252311 PMAQI
1st Aug 20252212 AMAQI
1st Aug 2025221 AMAQI
1st Aug 2025212 AMAQI
1st Aug 2025223 AMAQI
1st Aug 2025204 AMAQI
13°C9/17°C
1st Aug 2025225 AMAQI
1st Aug 2025196 AMAQI
1st Aug 2025207 AMAQI
1st Aug 2025208 AMAQI
1st Aug 2025289 AMAQI
1st Aug 20252410 AMAQI
1st Aug 20252211 AMAQI
1st Aug 20252312 PMAQI
1st Aug 2025221 PMAQI
1st Aug 2025232 PMAQI
1st Aug 2025233 PMAQI
1st Aug 2025224 PMAQI
1st Aug 2025225 PMAQI
1st Aug 2025226 PMAQI
1st Aug 2025237 PMAQI
1st Aug 2025228 PMAQI
1st Aug 2025229 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252311 PMAQI
2nd Aug 20252312 AMAQI
2nd Aug 2025231 AMAQI
2nd Aug 2025242 AMAQI
2nd Aug 2025223 AMAQI
2nd Aug 2025224 AMAQI
13°C10/18°C
2nd Aug 2025215 AMAQI
2nd Aug 2025236 AMAQI
2nd Aug 2025197 AMAQI
2nd Aug 2025188 AMAQI
2nd Aug 2025189 AMAQI
2nd Aug 20251710 AMAQI
2nd Aug 20252011 AMAQI
2nd Aug 20251812 PMAQI
2nd Aug 2025201 PMAQI
2nd Aug 2025222 PMAQI
2nd Aug 2025223 PMAQI
2nd Aug 2025224 PMAQI
2nd Aug 2025225 PMAQI
2nd Aug 2025216 PMAQI
2nd Aug 2025217 PMAQI
2nd Aug 2025218 PMAQI
2nd Aug 2025229 PMAQI
2nd Aug 20252210 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252312 AMAQI
3rd Aug 2025251 AMAQI
3rd Aug 2025202 AMAQI
3rd Aug 2025193 AMAQI
3rd Aug 2025224 AMAQI
11°C10/13°C
3rd Aug 2025175 AMAQI
5 AM3rd Aug 2025206 AMAQI
3rd Aug 2025197 AMAQI
3rd Aug 2025178 AMAQI
3rd Aug 2025199 AMAQI
3rd Aug 20252010 AMAQI
3rd Aug 20251811 AMAQI
3rd Aug 20251912 PMAQI
3rd Aug 2025191 PMAQI
1 PM3rd Aug 2025192 PMAQI
3rd Aug 2025183 PMAQI
3rd Aug 2025194 PMAQI
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 PM
22AQI
17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM
22AQI
17 hours / Day
510 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 PM (Avg. 22), while the lowest AQI was between 5 AM to 9 PM (Avg. 22).
Night time
Avg. Highest Time
12 AM - 1 AM
23AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM - 4 AM
20AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 23), while the lowest AQI was between 2 AM to 4 AM (Avg. 20).
2025 Days Vs Air Quality
Buchs, Sankt Gallen, Switzerland
2025
78%
167
22%
47
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
167 DaysModerate
47 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2025, 78% of 215 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 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
76AQI
76AQI
2nd January 2025
64AQI
64AQI
3rd January 2025
58AQI
58AQI
4th January 2025
54AQI
54AQI
5th January 2025
52AQI
52AQI
6th January 2025
43AQI
43AQI
7th January 2025
31AQI
31AQI
8th January 2025
30AQI
30AQI
9th January 2025
29AQI
29AQI
10th January 2025
27AQI
27AQI
11th January 2025
35AQI
35AQI
12th January 2025
40AQI
40AQI
13th January 2025
40AQI
40AQI
14th January 2025
52AQI
52AQI
15th January 2025
62AQI
62AQI
16th January 2025
54AQI
54AQI
17th January 2025
55AQI
55AQI
18th January 2025
57AQI
57AQI
19th January 2025
63AQI
63AQI
20th January 2025
65AQI
65AQI
21st January 2025
63AQI
63AQI
22nd January 2025
63AQI
63AQI
23rd January 2025
60AQI
60AQI
24th January 2025
49AQI
49AQI
25th January 2025
49AQI
49AQI
26th January 2025
39AQI
39AQI
27th January 2025
32AQI
32AQI
28th January 2025
28AQI
28AQI
29th January 2025
26AQI
26AQI
30th January 2025
32AQI
32AQI
31st January 2025
32AQI
32AQI
1st February 2025
35AQI
35AQI
2nd February 2025
47AQI
47AQI
3rd February 2025
51AQI
51AQI
4th February 2025
54AQI
54AQI
5th February 2025
61AQI
61AQI
6th February 2025
65AQI
65AQI
7th February 2025
59AQI
59AQI
8th February 2025
67AQI
67AQI
9th February 2025
71AQI
71AQI
10th February 2025
77AQI
77AQI
11th February 2025
87AQI
87AQI
12th February 2025
69AQI
69AQI
13th February 2025
57AQI
57AQI
14th February 2025
59AQI
59AQI
15th February 2025
63AQI
63AQI
16th February 2025
66AQI
66AQI
17th February 2025
63AQI
63AQI
18th February 2025
67AQI
67AQI
19th February 2025
66AQI
66AQI
20th February 2025
75AQI
75AQI
21st February 2025
70AQI
70AQI
22nd February 2025
68AQI
68AQI
23rd February 2025
63AQI
63AQI
24th February 2025
57AQI
57AQI
25th February 2025
55AQI
55AQI
26th February 2025
44AQI
44AQI
27th February 2025
38AQI
38AQI
28th February 2025
37AQI
37AQI
1st March 2025
40AQI
40AQI
2nd March 2025
47AQI
47AQI
3rd March 2025
48AQI
48AQI
4th March 2025
53AQI
53AQI
5th March 2025
55AQI
55AQI
6th March 2025
54AQI
54AQI
7th March 2025
55AQI
55AQI
8th March 2025
55AQI
55AQI
9th March 2025
56AQI
56AQI
10th March 2025
54AQI
54AQI
11th March 2025
47AQI
47AQI
12th March 2025
42AQI
42AQI
13th March 2025
38AQI
38AQI
14th March 2025
33AQI
33AQI
15th March 2025
37AQI
37AQI
16th March 2025
33AQI
33AQI
17th March 2025
41AQI
41AQI
18th March 2025
35AQI
35AQI
19th March 2025
41AQI
41AQI
20th March 2025
41AQI
41AQI
21st March 2025
38AQI
38AQI
22nd March 2025
37AQI
37AQI
23rd March 2025
28AQI
28AQI
24th March 2025
28AQI
28AQI
25th March 2025
30AQI
30AQI
26th March 2025
36AQI
36AQI
27th March 2025
39AQI
39AQI
28th March 2025
36AQI
36AQI
29th March 2025
44AQI
44AQI
30th March 2025
40AQI
40AQI
31st March 2025
30AQI
30AQI
1st April 2025
30AQI
30AQI
2nd April 2025
32AQI
32AQI
3rd April 2025
36AQI
36AQI
4th April 2025
37AQI
37AQI
5th April 2025
34AQI
34AQI
6th April 2025
28AQI
28AQI
7th April 2025
23AQI
23AQI
8th April 2025
27AQI
27AQI
9th April 2025
32AQI
32AQI
10th April 2025
35AQI
35AQI
11th April 2025
38AQI
38AQI
12th April 2025
37AQI
37AQI
13th April 2025
38AQI
38AQI
14th April 2025
33AQI
33AQI
15th April 2025
35AQI
35AQI
16th April 2025
27AQI
27AQI
17th April 2025
20AQI
20AQI
18th April 2025
17AQI
17AQI
19th April 2025
19AQI
19AQI
20th April 2025
19AQI
19AQI
21st April 2025
16AQI
16AQI
22nd April 2025
16AQI
16AQI
23rd April 2025
18AQI
18AQI
24th April 2025
16AQI
16AQI
25th April 2025
16AQI
16AQI
26th April 2025
20AQI
20AQI
27th April 2025
25AQI
25AQI
28th April 2025
28AQI
28AQI
29th April 2025
28AQI
28AQI
30th April 2025
27AQI
27AQI
1st May 2025
31AQI
31AQI
2nd May 2025
30AQI
30AQI
3rd May 2025
35AQI
35AQI
4th May 2025
23AQI
23AQI
5th May 2025
19AQI
19AQI
6th May 2025
20AQI
20AQI
7th May 2025
28AQI
28AQI
8th May 2025
33AQI
33AQI
9th May 2025
37AQI
37AQI
10th May 2025
28AQI
28AQI
11th May 2025
25AQI
25AQI
12th May 2025
20AQI
20AQI
13th May 2025
21AQI
21AQI
14th May 2025
26AQI
26AQI
15th May 2025
29AQI
29AQI
16th May 2025
21AQI
21AQI
17th May 2025
21AQI
21AQI
18th May 2025
24AQI
24AQI
19th May 2025
25AQI
25AQI
20th May 2025
26AQI
26AQI
21st May 2025
25AQI
25AQI
22nd May 2025
23AQI
23AQI
23rd May 2025
23AQI
23AQI
24th May 2025
19AQI
19AQI
25th May 2025
17AQI
17AQI
26th May 2025
19AQI
19AQI
27th May 2025
19AQI
19AQI
28th May 2025
17AQI
17AQI
29th May 2025
16AQI
16AQI
30th May 2025
18AQI
18AQI
31st May 2025
21AQI
21AQI
1st June 2025
21AQI
21AQI
2nd June 2025
25AQI
25AQI
3rd June 2025
21AQI
21AQI
4th June 2025
22AQI
22AQI
5th June 2025
21AQI
21AQI
6th June 2025
20AQI
20AQI
7th June 2025
23AQI
23AQI
8th June 2025
24AQI
24AQI
9th June 2025
27AQI
27AQI
10th June 2025
47AQI
47AQI
11th June 2025
56AQI
56AQI
12th June 2025
50AQI
50AQI
13th June 2025
51AQI
51AQI
14th June 2025
48AQI
48AQI
15th June 2025
41AQI
41AQI
16th June 2025
31AQI
31AQI
17th June 2025
31AQI
31AQI
18th June 2025
34AQI
34AQI
19th June 2025
37AQI
37AQI
20th June 2025
37AQI
37AQI
21st June 2025
33AQI
33AQI
22nd June 2025
33AQI
33AQI
23rd June 2025
34AQI
34AQI
24th June 2025
30AQI
30AQI
25th June 2025
25AQI
25AQI
26th June 2025
27AQI
27AQI
27th June 2025
24AQI
24AQI
28th June 2025
20AQI
20AQI
29th June 2025
22AQI
22AQI
30th June 2025
23AQI
23AQI
1st July 2025
26AQI
26AQI
2nd July 2025
30AQI
30AQI
3rd July 2025
31AQI
31AQI
4th July 2025
34AQI
34AQI
5th July 2025
35AQI
35AQI
6th July 2025
35AQI
35AQI
7th July 2025
23AQI
23AQI
8th July 2025
19AQI
19AQI
9th July 2025
17AQI
17AQI
10th July 2025
19AQI
19AQI
11th July 2025
21AQI
21AQI
12th July 2025
22AQI
22AQI
13th July 2025
23AQI
23AQI
14th July 2025
23AQI
23AQI
15th July 2025
23AQI
23AQI
16th July 2025
25AQI
25AQI
17th July 2025
21AQI
21AQI
18th July 2025
21AQI
21AQI
19th July 2025
22AQI
22AQI
20th July 2025
23AQI
23AQI
21st July 2025
20AQI
20AQI
22nd July 2025
16AQI
16AQI
23rd July 2025
15AQI
15AQI
24th July 2025
17AQI
17AQI
25th July 2025
17AQI
17AQI
26th July 2025
19AQI
19AQI
27th July 2025
20AQI
20AQI
28th July 2025
18AQI
18AQI
29th July 2025
19AQI
19AQI
30th July 2025
21AQI
21AQI
31st July 2025
22AQI
22AQI
1st August 2025
22AQI
22AQI
2nd August 2025
22AQI
22AQI
47AQI
60AQI
42AQI
27AQI
24AQI
31AQI
22AQI
22AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
16
15
5
23
24
7
30
31
28
2
31
2
167
47
Highest AQI recorded in
February60AQI
Lowest AQI recorded in
August22AQI
202426AQI
26
5
28
1
31
30
31
30
31
30
1
2
1
13
24
6
24
7
300
21
Highest AQI recorded in
December42AQI
Lowest AQI recorded in
May16AQI
202328AQI
10
1
29
1
30
1
31
24
6
29
2
28
28
2
209
13
Highest AQI recorded in
May43AQI
Lowest AQI recorded in
November19AQI
202234AQI
3
1
27
3
2
4
32
8
Highest AQI recorded in
December56AQI
Lowest AQI recorded in
November29AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2025(Avg.)
36AQILeast Polluted Year Recorded
2024(Avg.)
26AQIBuchs's annual 2025 AQI (36) shows an average percentage change of 23.5% (worsened AQI) compared to previous years: 2022 (34), 2023 (28), 2024 (26).
