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
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
13th Aug 2025
60AQILowest AQI recorded on
7th Aug 2023
8AQISame Day Analysis (4th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 50 of Good air quality on the same day.
Day & Night AQI Trend: 3rd Aug - 4th Aug 2026
Buchs, Sankt Gallen, Switzerland
AQI
Day
Night
.
5 AM3rd Aug 2026
9 PM
4 AM4th Aug 2026
Day time
Avg. Highest Time
1PM3rd Aug
63AQI
Avg. Lowest Time
6AM3rd Aug
29AQI
Night time
Avg. Highest Time
12AM4th Aug
51AQI
Avg. Lowest Time
5AM3rd Aug
29AQI
In the last 24 hours,
Buchs's AQI reached its highest point of 63 at 1 PM during the Day, while the lowest point, 29, was recorded at 6 AM during the Day between 3rd Aug and 4th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Buchs, Sankt Gallen, Switzerland
JulAug
06th - 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 - 04th04th
Day
Night
6th Jul 2026125 AMAQI
6th Jul 2026126 AMAQI
6th Jul 2026127 AMAQI
6th Jul 2026108 AMAQI
6th Jul 2026109 AMAQI
6th Jul 20261210 AMAQI
6th Jul 20261211 AMAQI
6th Jul 20261412 PMAQI
6th Jul 2026171 PMAQI
6th Jul 2026172 PMAQI
6th Jul 2026233 PMAQI
6th Jul 2026244 PMAQI
6th Jul 2026175 PMAQI
6th Jul 2026266 PMAQI
6th Jul 2026307 PMAQI
6th Jul 2026258 PMAQI
6th Jul 2026209 PMAQI
6th Jul 20262010 PMAQI
6th Jul 20262011 PMAQI
7th Jul 20262512 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026222 AMAQI
7th Jul 202683 AMAQI
7th Jul 2026104 AMAQI
17°C11/23°C
7th Jul 2026125 AMAQI
7th Jul 2026126 AMAQI
7th Jul 2026127 AMAQI
7th Jul 2026198 AMAQI
7th Jul 2026229 AMAQI
7th Jul 20261710 AMAQI
7th Jul 20262011 AMAQI
7th Jul 20262612 PMAQI
7th Jul 2026241 PMAQI
7th Jul 2026142 PMAQI
7th Jul 2026123 PMAQI
7th Jul 2026144 PMAQI
7th Jul 2026175 PMAQI
7th Jul 2026236 PMAQI
7th Jul 2026147 PMAQI
7th Jul 2026128 PMAQI
7th Jul 2026209 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20262412 AMAQI
8th Jul 2026281 AMAQI
8th Jul 2026252 AMAQI
8th Jul 2026183 AMAQI
8th Jul 2026124 AMAQI
20°C13/26°C
8th Jul 2026125 AMAQI
8th Jul 2026126 AMAQI
8th Jul 2026127 AMAQI
8th Jul 2026248 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262210 AMAQI
8th Jul 20262511 AMAQI
8th Jul 20262012 PMAQI
8th Jul 2026211 PMAQI
8th Jul 2026232 PMAQI
8th Jul 2026233 PMAQI
8th Jul 2026224 PMAQI
8th Jul 2026305 PMAQI
8th Jul 2026346 PMAQI
8th Jul 2026387 PMAQI
8th Jul 2026578 PMAQI
8th Jul 2026389 PMAQI
8th Jul 20261810 PMAQI
8th Jul 20261611 PMAQI
9th Jul 20261812 AMAQI
9th Jul 2026201 AMAQI
9th Jul 2026232 AMAQI
9th Jul 2026203 AMAQI
9th Jul 2026344 AMAQI
18°C14/23°C
9th Jul 2026175 AMAQI
9th Jul 2026176 AMAQI
9th Jul 2026257 AMAQI
9th Jul 2026248 AMAQI
9th Jul 2026249 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20261911 AMAQI
9th Jul 20263612 PMAQI
9th Jul 2026301 PMAQI
9th Jul 2026182 PMAQI
9th Jul 2026183 PMAQI
9th Jul 2026174 PMAQI
9th Jul 2026155 PMAQI
9th Jul 2026206 PMAQI
9th Jul 2026187 PMAQI
9th Jul 2026128 PMAQI
9th Jul 2026189 PMAQI
9th Jul 20261810 PMAQI
9th Jul 20261811 PMAQI
10th Jul 20261812 AMAQI
10th Jul 2026231 AMAQI
10th Jul 2026202 AMAQI
10th Jul 2026163 AMAQI
10th Jul 2026214 AMAQI
19°C13/25°C
10th Jul 2026215 AMAQI
10th Jul 2026216 AMAQI
10th Jul 2026237 AMAQI
10th Jul 2026238 AMAQI
10th Jul 2026239 AMAQI
10th Jul 20262010 AMAQI
10th Jul 20261211 AMAQI
10th Jul 20262112 PMAQI
10th Jul 2026181 PMAQI
10th Jul 2026192 PMAQI
10th Jul 2026123 PMAQI
10th Jul 2026164 PMAQI
10th Jul 2026105 PMAQI
10th Jul 2026166 PMAQI
10th Jul 2026107 PMAQI
10th Jul 2026148 PMAQI
10th Jul 2026179 PMAQI
10th Jul 20261210 PMAQI
10th Jul 2026811 PMAQI
11th Jul 2026812 AMAQI
11th Jul 2026201 AMAQI
11th Jul 2026312 AMAQI
11th Jul 2026313 AMAQI
11th Jul 2026194 AMAQI
19°C13/26°C
11th Jul 2026175 AMAQI
11th Jul 2026196 AMAQI
11th Jul 2026227 AMAQI
11th Jul 2026168 AMAQI
11th Jul 2026199 AMAQI
11th Jul 20263010 AMAQI
11th Jul 20262411 AMAQI
11th Jul 20263012 PMAQI
11th Jul 2026241 PMAQI
11th Jul 2026362 PMAQI
11th Jul 2026363 PMAQI
11th Jul 2026304 PMAQI
11th Jul 2026285 PMAQI
11th Jul 2026256 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026308 PMAQI
11th Jul 2026269 PMAQI
11th Jul 20262610 PMAQI
11th Jul 20262711 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026271 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026263 AMAQI
12th Jul 2026244 AMAQI
20°C14/27°C
12th Jul 2026195 AMAQI
12th Jul 2026216 AMAQI
12th Jul 2026227 AMAQI
12th Jul 2026178 AMAQI
12th Jul 2026269 AMAQI
12th Jul 20262910 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20262812 PMAQI
12th Jul 2026251 PMAQI
12th Jul 2026282 PMAQI
12th Jul 2026303 PMAQI
12th Jul 2026254 PMAQI
12th Jul 2026215 PMAQI
12th Jul 2026266 PMAQI
12th Jul 2026227 PMAQI
12th Jul 2026228 PMAQI
12th Jul 2026229 PMAQI
12th Jul 20262510 PMAQI
12th Jul 20261611 PMAQI
13th Jul 20261212 AMAQI
13th Jul 2026201 AMAQI
13th Jul 2026192 AMAQI
13th Jul 2026253 AMAQI
13th Jul 2026214 AMAQI
19°C13/25°C
13th Jul 2026195 AMAQI
13th Jul 2026216 AMAQI
13th Jul 2026197 AMAQI
13th Jul 2026208 AMAQI
13th Jul 2026249 AMAQI
13th Jul 20261910 AMAQI
13th Jul 20261711 AMAQI
13th Jul 20261712 PMAQI
13th Jul 2026191 PMAQI
13th Jul 2026172 PMAQI
13th Jul 2026243 PMAQI
13th Jul 2026364 PMAQI
13th Jul 2026315 PMAQI
13th Jul 2026346 PMAQI
13th Jul 2026347 PMAQI
13th Jul 2026328 PMAQI
13th Jul 2026389 PMAQI
13th Jul 20262910 PMAQI
13th Jul 20262911 PMAQI
14th Jul 20262812 AMAQI
14th Jul 2026271 AMAQI
14th Jul 2026242 AMAQI
14th Jul 2026183 AMAQI
14th Jul 2026294 AMAQI
21°C14/28°C
14th Jul 2026255 AMAQI
14th Jul 2026276 AMAQI
14th Jul 2026297 AMAQI
14th Jul 2026238 AMAQI
14th Jul 2026279 AMAQI
14th Jul 20262610 AMAQI
14th Jul 20262911 AMAQI
14th Jul 20263612 PMAQI
14th Jul 2026161 PMAQI
14th Jul 2026232 PMAQI
14th Jul 2026183 PMAQI
14th Jul 2026334 PMAQI
14th Jul 2026205 PMAQI
14th Jul 2026316 PMAQI
14th Jul 2026217 PMAQI
14th Jul 2026208 PMAQI
14th Jul 2026229 PMAQI
14th Jul 20262010 PMAQI
14th Jul 20262211 PMAQI
15th Jul 20262112 AMAQI
15th Jul 2026421 AMAQI
15th Jul 2026462 AMAQI
15th Jul 2026253 AMAQI
15th Jul 2026334 AMAQI
20°C14/28°C
15th Jul 2026335 AMAQI
15th Jul 2026336 AMAQI
15th Jul 2026277 AMAQI
15th Jul 2026208 AMAQI
15th Jul 2026189 AMAQI
15th Jul 20262710 AMAQI
15th Jul 20262011 AMAQI
15th Jul 20262512 PMAQI
15th Jul 2026181 PMAQI
15th Jul 2026222 PMAQI
15th Jul 2026293 PMAQI
15th Jul 2026314 PMAQI
15th Jul 2026285 PMAQI
15th Jul 2026236 PMAQI
15th Jul 2026197 PMAQI
15th Jul 2026148 PMAQI
15th Jul 2026149 PMAQI
15th Jul 20261210 PMAQI
15th Jul 20261811 PMAQI
16th Jul 20262512 AMAQI
16th Jul 2026251 AMAQI
16th Jul 2026282 AMAQI
16th Jul 2026143 AMAQI
16th Jul 2026234 AMAQI
17°C14/24°C
16th Jul 2026255 AMAQI
16th Jul 2026256 AMAQI
16th Jul 2026167 AMAQI
16th Jul 202698 AMAQI
16th Jul 2026119 AMAQI
16th Jul 20261010 AMAQI
16th Jul 2026811 AMAQI
16th Jul 2026712 PMAQI
16th Jul 2026121 PMAQI
16th Jul 2026122 PMAQI
16th Jul 202673 PMAQI
16th Jul 2026124 PMAQI
16th Jul 202695 PMAQI
16th Jul 2026126 PMAQI
16th Jul 2026117 PMAQI
16th Jul 2026108 PMAQI
16th Jul 2026169 PMAQI
16th Jul 20263010 PMAQI
16th Jul 20261811 PMAQI
17th Jul 20261712 AMAQI
17th Jul 2026201 AMAQI
17th Jul 2026242 AMAQI
17th Jul 2026183 AMAQI
17th Jul 2026124 AMAQI
19°C13/28°C
17th Jul 2026125 AMAQI
17th Jul 2026176 AMAQI
17th Jul 2026107 AMAQI
17th Jul 202698 AMAQI
17th Jul 2026259 AMAQI
17th Jul 20262110 AMAQI
17th Jul 20262311 AMAQI
17th Jul 20262112 PMAQI
17th Jul 2026211 PMAQI
17th Jul 2026232 PMAQI
17th Jul 2026273 PMAQI
17th Jul 2026234 PMAQI
17th Jul 2026405 PMAQI
17th Jul 2026346 PMAQI
17th Jul 2026237 PMAQI
17th Jul 2026238 PMAQI
17th Jul 2026319 PMAQI
17th Jul 20262110 PMAQI
17th Jul 20263011 PMAQI
18th Jul 20263612 AMAQI
18th Jul 2026401 AMAQI
18th Jul 2026362 AMAQI
18th Jul 2026383 AMAQI
18th Jul 2026254 AMAQI
18°C13/25°C
18th Jul 2026255 AMAQI
18th Jul 2026236 AMAQI
18th Jul 2026327 AMAQI
18th Jul 2026428 AMAQI
18th Jul 2026349 AMAQI
18th Jul 20262110 AMAQI
18th Jul 20262511 AMAQI
18th Jul 20262712 PMAQI
18th Jul 2026401 PMAQI
18th Jul 2026512 PMAQI
18th Jul 2026473 PMAQI
18th Jul 2026324 PMAQI
18th Jul 2026255 PMAQI
18th Jul 2026216 PMAQI
18th Jul 2026237 PMAQI
18th Jul 2026258 PMAQI
18th Jul 2026259 PMAQI
18th Jul 20262110 PMAQI
18th Jul 20262711 PMAQI
19th Jul 20263312 AMAQI
19th Jul 2026381 AMAQI
19th Jul 2026292 AMAQI
19th Jul 2026253 AMAQI
19th Jul 2026254 AMAQI
17°C13/21°C
19th Jul 2026235 AMAQI
19th Jul 2026216 AMAQI
19th Jul 2026257 AMAQI
19th Jul 2026258 AMAQI
19th Jul 2026279 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20262911 AMAQI
19th Jul 20262112 PMAQI
19th Jul 2026251 PMAQI
19th Jul 2026272 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026235 PMAQI
19th Jul 2026236 PMAQI
19th Jul 2026347 PMAQI
19th Jul 2026448 PMAQI
19th Jul 2026449 PMAQI
19th Jul 20264410 PMAQI
19th Jul 20264611 PMAQI
20th Jul 20264212 AMAQI
20th Jul 2026441 AMAQI
20th Jul 2026402 AMAQI
20th Jul 2026443 AMAQI
20th Jul 2026364 AMAQI
14°C11/18°C
20th Jul 2026215 AMAQI
20th Jul 2026216 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026259 AMAQI
20th Jul 20262710 AMAQI
20th Jul 20262311 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026251 PMAQI
20th Jul 2026252 PMAQI
20th Jul 2026253 PMAQI
20th Jul 2026254 PMAQI
20th Jul 2026235 PMAQI
20th Jul 2026236 PMAQI
20th Jul 2026237 PMAQI
20th Jul 2026388 PMAQI
20th Jul 2026429 PMAQI
20th Jul 20263210 PMAQI
20th Jul 20262311 PMAQI
21st Jul 20262512 AMAQI
21st Jul 2026251 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026273 AMAQI
21st Jul 2026334 AMAQI
15°C10/21°C
21st Jul 2026276 AMAQI
21st Jul 2026367 AMAQI
21st Jul 2026388 AMAQI
21st Jul 2026299 AMAQI
21st Jul 20262710 AMAQI
21st Jul 20263611 AMAQI
21st Jul 20264212 PMAQI
21st Jul 2026361 PMAQI
21st Jul 2026362 PMAQI
21st Jul 2026253 PMAQI
21st Jul 2026214 PMAQI
21st Jul 2026295 PMAQI
21st Jul 2026236 PMAQI
21st Jul 2026257 PMAQI
21st Jul 2026298 PMAQI
21st Jul 2026279 PMAQI
21st Jul 20262310 PMAQI
21st Jul 20262111 PMAQI
22nd Jul 20262912 AMAQI
22nd Jul 2026291 AMAQI
22nd Jul 2026252 AMAQI
22nd Jul 2026383 AMAQI
22nd Jul 2026294 AMAQI
14°C11/19°C
22nd Jul 2026315 AMAQI
22nd Jul 2026316 AMAQI
22nd Jul 2026407 AMAQI
22nd Jul 2026368 AMAQI
22nd Jul 2026369 AMAQI
22nd Jul 20263310 AMAQI
22nd Jul 20263611 AMAQI
22nd Jul 20263412 PMAQI
22nd Jul 2026271 PMAQI
22nd Jul 2026382 PMAQI
22nd Jul 2026423 PMAQI
22nd Jul 2026424 PMAQI
22nd Jul 2026215 PMAQI
22nd Jul 2026386 PMAQI
22nd Jul 2026317 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026259 PMAQI
22nd Jul 20262310 PMAQI
22nd Jul 20262311 PMAQI
23rd Jul 20262512 AMAQI
23rd Jul 2026291 AMAQI
23rd Jul 2026332 AMAQI
23rd Jul 2026273 AMAQI
23rd Jul 2026294 AMAQI
14°C8/21°C
23rd Jul 2026315 AMAQI
23rd Jul 2026336 AMAQI
23rd Jul 2026427 AMAQI
23rd Jul 2026468 AMAQI
23rd Jul 2026449 AMAQI
23rd Jul 20264410 AMAQI
23rd Jul 20262511 AMAQI
23rd Jul 20262512 PMAQI
23rd Jul 2026271 PMAQI
23rd Jul 2026272 PMAQI
23rd Jul 2026253 PMAQI
23rd Jul 2026254 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026256 PMAQI
23rd Jul 2026257 PMAQI
23rd Jul 2026258 PMAQI
23rd Jul 2026259 PMAQI
23rd Jul 20262310 PMAQI
23rd Jul 20262311 PMAQI
24th Jul 20262312 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026272 AMAQI
24th Jul 2026233 AMAQI
24th Jul 2026214 AMAQI
15°C10/20°C
24th Jul 2026215 AMAQI
24th Jul 2026216 AMAQI
24th Jul 2026237 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026369 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20262111 AMAQI
24th Jul 20262112 PMAQI
24th Jul 2026231 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026253 PMAQI
24th Jul 2026424 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026236 PMAQI
24th Jul 2026237 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026259 PMAQI
24th Jul 20262710 PMAQI
24th Jul 20262311 PMAQI
25th Jul 20263012 AMAQI
25th Jul 2026211 AMAQI
25th Jul 2026212 AMAQI
25th Jul 2026213 AMAQI
25th Jul 2026214 AMAQI
15°C8/23°C
25th Jul 2026255 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026217 AMAQI
25th Jul 2026218 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20262910 AMAQI
25th Jul 20262911 AMAQI
25th Jul 20262512 PMAQI
25th Jul 2026271 PMAQI
25th Jul 2026422 PMAQI
25th Jul 2026503 PMAQI
25th Jul 2026524 PMAQI
25th Jul 2026525 PMAQI
25th Jul 2026546 PMAQI
25th Jul 2026557 PMAQI
25th Jul 2026568 PMAQI
25th Jul 2026559 PMAQI
25th Jul 20265410 PMAQI
25th Jul 20265511 PMAQI
26th Jul 20265512 AMAQI
26th Jul 2026551 AMAQI
26th Jul 2026532 AMAQI
26th Jul 2026563 AMAQI
26th Jul 2026384 AMAQI
19°C12/27°C
26th Jul 2026235 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262310 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262712 PMAQI
26th Jul 2026271 PMAQI
26th Jul 2026272 PMAQI
26th Jul 2026343 PMAQI
26th Jul 2026294 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026276 PMAQI
26th Jul 2026337 PMAQI
26th Jul 2026388 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20263610 PMAQI
26th Jul 20263111 PMAQI
27th Jul 20264212 AMAQI
27th Jul 2026461 AMAQI
27th Jul 2026512 AMAQI
27th Jul 2026513 AMAQI
27th Jul 2026384 AMAQI
15°C13/21°C
27th Jul 2026295 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026407 AMAQI
27th Jul 2026348 AMAQI
27th Jul 2026349 AMAQI
27th Jul 20263810 AMAQI
27th Jul 20262111 AMAQI
27th Jul 20262712 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026273 PMAQI
27th Jul 2026254 PMAQI
27th Jul 2026235 PMAQI
27th Jul 2026316 PMAQI
27th Jul 2026277 PMAQI
27th Jul 2026278 PMAQI
27th Jul 2026239 PMAQI
27th Jul 20262510 PMAQI
27th Jul 20262311 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026291 AMAQI
28th Jul 2026362 AMAQI
28th Jul 2026443 AMAQI
28th Jul 2026344 AMAQI
17°C13/20°C
28th Jul 2026215 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20262710 AMAQI
28th Jul 20262711 AMAQI
28th Jul 20262312 PMAQI
28th Jul 2026271 PMAQI
28th Jul 2026442 PMAQI
28th Jul 2026483 PMAQI
28th Jul 2026444 PMAQI
28th Jul 2026325 PMAQI
28th Jul 2026326 PMAQI
28th Jul 2026407 PMAQI
28th Jul 2026488 PMAQI
28th Jul 2026509 PMAQI
28th Jul 20264210 PMAQI
28th Jul 20264811 PMAQI
29th Jul 20264412 AMAQI
29th Jul 2026401 AMAQI
29th Jul 2026382 AMAQI
29th Jul 2026423 AMAQI
29th Jul 2026404 AMAQI
19°C12/26°C
29th Jul 2026255 AMAQI
29th Jul 2026216 AMAQI
29th Jul 2026347 AMAQI
29th Jul 2026318 AMAQI
29th Jul 2026489 AMAQI
29th Jul 20264610 AMAQI
29th Jul 20264211 AMAQI
29th Jul 20264612 PMAQI
29th Jul 2026531 PMAQI
29th Jul 2026572 PMAQI
29th Jul 2026583 PMAQI
29th Jul 2026574 PMAQI
29th Jul 2026595 PMAQI
29th Jul 2026586 PMAQI
29th Jul 2026597 PMAQI
29th Jul 2026608 PMAQI
29th Jul 2026569 PMAQI
29th Jul 20265410 PMAQI
29th Jul 20265211 PMAQI
30th Jul 20265712 AMAQI
30th Jul 2026551 AMAQI
30th Jul 2026552 AMAQI
30th Jul 2026523 AMAQI
30th Jul 2026514 AMAQI
22°C16/29°C
30th Jul 2026335 AMAQI
30th Jul 2026336 AMAQI
30th Jul 2026427 AMAQI
30th Jul 2026558 AMAQI
30th Jul 2026539 AMAQI
30th Jul 20265410 AMAQI
30th Jul 20265511 AMAQI
30th Jul 20265412 PMAQI
30th Jul 2026581 PMAQI
30th Jul 2026582 PMAQI
30th Jul 2026623 PMAQI
30th Jul 2026564 PMAQI
30th Jul 2026585 PMAQI
30th Jul 2026576 PMAQI
30th Jul 2026627 PMAQI
30th Jul 2026658 PMAQI
30th Jul 2026729 PMAQI
30th Jul 20267410 PMAQI
30th Jul 20267411 PMAQI
31st Jul 20267312 AMAQI
31st Jul 2026701 AMAQI
31st Jul 2026722 AMAQI
31st Jul 2026693 AMAQI
31st Jul 2026624 AMAQI
23°C17/31°C
31st Jul 2026525 AMAQI
31st Jul 2026526 AMAQI
31st Jul 2026587 AMAQI
31st Jul 2026688 AMAQI
31st Jul 2026679 AMAQI
31st Jul 20266610 AMAQI
31st Jul 20266411 AMAQI
31st Jul 20266612 PMAQI
31st Jul 2026761 PMAQI
31st Jul 2026762 PMAQI
31st Jul 2026743 PMAQI
31st Jul 2026764 PMAQI
31st Jul 2026745 PMAQI
31st Jul 2026736 PMAQI
31st Jul 2026607 PMAQI
31st Jul 2026518 PMAQI
31st Jul 2026409 PMAQI
31st Jul 20263110 PMAQI
31st Jul 20262911 PMAQI
1st Aug 20262712 AMAQI
1st Aug 2026211 AMAQI
1st Aug 2026272 AMAQI
1st Aug 2026273 AMAQI
1st Aug 2026364 AMAQI
19°C15/30°C
1st Aug 2026445 AMAQI
1st Aug 2026426 AMAQI
1st Aug 2026387 AMAQI
1st Aug 2026488 AMAQI
1st Aug 2026499 AMAQI
1st Aug 20265510 AMAQI
1st Aug 20265411 AMAQI
1st Aug 20265112 PMAQI
1st Aug 2026461 PMAQI
1st Aug 2026502 PMAQI
1st Aug 2026543 PMAQI
1st Aug 2026564 PMAQI
1st Aug 2026495 PMAQI
1st Aug 2026506 PMAQI
1st Aug 2026537 PMAQI
1st Aug 2026448 PMAQI
1st Aug 2026319 PMAQI
1st Aug 20263310 PMAQI
1st Aug 20263611 PMAQI
2nd Aug 20264812 AMAQI
2nd Aug 2026461 AMAQI
2nd Aug 2026462 AMAQI
2nd Aug 2026443 AMAQI
2nd Aug 2026384 AMAQI
18°C14/25°C
2nd Aug 2026295 AMAQI
2nd Aug 2026316 AMAQI
2nd Aug 2026367 AMAQI
2nd Aug 2026408 AMAQI
2nd Aug 2026369 AMAQI
2nd Aug 20263410 AMAQI
2nd Aug 20263811 AMAQI
2nd Aug 20264212 PMAQI
2nd Aug 2026461 PMAQI
2nd Aug 2026442 PMAQI
2nd Aug 2026383 PMAQI
2nd Aug 2026384 PMAQI
2nd Aug 2026425 PMAQI
2nd Aug 2026426 PMAQI
2nd Aug 2026447 PMAQI
2nd Aug 2026448 PMAQI
2nd Aug 2026409 PMAQI
2nd Aug 20264010 PMAQI
2nd Aug 20264011 PMAQI
3rd Aug 20264812 AMAQI
3rd Aug 2026471 AMAQI
3rd Aug 2026422 AMAQI
3rd Aug 2026423 AMAQI
3rd Aug 2026384 AMAQI
19°C14/27°C
3rd Aug 2026295 AMAQI
3rd Aug 2026296 AMAQI
3rd Aug 2026407 AMAQI
3rd Aug 2026528 AMAQI
3rd Aug 2026469 AMAQI
3rd Aug 20264610 AMAQI
3rd Aug 20264611 AMAQI
3rd Aug 20265112 PMAQI
3rd Aug 2026631 PMAQI
3rd Aug 2026582 PMAQI
3rd Aug 2026623 PMAQI
3rd Aug 2026604 PMAQI
3rd Aug 2026605 PMAQI
3rd Aug 2026596 PMAQI
3rd Aug 2026597 PMAQI
3rd Aug 2026578 PMAQI
3rd Aug 2026509 PMAQI
3rd Aug 20264410 PMAQI
3rd Aug 20264411 PMAQI
4th Aug 20265112 AMAQI
4th Aug 2026441 AMAQI
4th Aug 2026502 AMAQI
4th Aug 2026483 AMAQI
4th Aug 2026404 AMAQI
22°C15/31°C
4th Aug 2026335 AMAQI
5 AM4th Aug 2026386 AMAQI
4th Aug 2026407 AMAQI
4th Aug 2026448 AMAQI
4th Aug 2026529 AMAQI
4th Aug 20265010 AMAQI
4th Aug 20265211 AMAQI
4th Aug 20265712 PMAQI
4th Aug 2026511 PMAQI
1 PM4th Aug 2026622 PMAQI
4th Aug 2026593 PMAQI
4th Aug 2026564 PMAQI
4th Aug 2026535 PMAQI
4th Aug 2026506 PMAQI
4th Aug 2026557 PMAQI
4th Aug 2026588 PMAQI
4th Aug 2026559 PMAQI
9 PM4th Aug 20265410 PMAQI
4th Aug 20265111 PMAQI
1 AM
4 AM
22°C15/30°C
Day time
Avg. Highest Time
2 PM - 4 PM
35AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
5 AM - 6 AM
25AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 4 PM (Avg. 35), while the lowest AQI was between 5 AM to 6 AM (Avg. 25).
Night time
Avg. Highest Time
1 AM - 2 AM
34AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
4 AM
30AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 2 AM (Avg. 34), while the lowest AQI was between 4 AM to 4 AM (Avg. 30).
2026 Days Vs Air Quality
Buchs, Sankt Gallen, Switzerland
2026
82%
174
18%
39
Total number of days with different AQI categories in last 216 days in 2026 (149 days remaining)
Good
174 DaysModerate
39 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 216 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
AQI (US)
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.
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
98AQI (US)
98AQI (US)
2nd January 2026
62AQI (US)
62AQI (US)
3rd January 2026
28AQI (US)
28AQI (US)
4th January 2026
35AQI (US)
35AQI (US)
5th January 2026
62AQI (US)
62AQI (US)
6th January 2026
54AQI (US)
54AQI (US)
7th January 2026
66AQI (US)
66AQI (US)
8th January 2026
27AQI (US)
27AQI (US)
9th January 2026
19AQI (US)
19AQI (US)
10th January 2026
16AQI (US)
16AQI (US)
11th January 2026
44AQI (US)
44AQI (US)
12th January 2026
29AQI (US)
29AQI (US)
13th January 2026
40AQI (US)
40AQI (US)
14th January 2026
48AQI (US)
48AQI (US)
15th January 2026
52AQI (US)
52AQI (US)
16th January 2026
57AQI (US)
57AQI (US)
17th January 2026
72AQI (US)
72AQI (US)
18th January 2026
63AQI (US)
63AQI (US)
19th January 2026
62AQI (US)
62AQI (US)
20th January 2026
56AQI (US)
56AQI (US)
21st January 2026
55AQI (US)
55AQI (US)
22nd January 2026
66AQI (US)
66AQI (US)
23rd January 2026
69AQI (US)
69AQI (US)
24th January 2026
79AQI (US)
79AQI (US)
25th January 2026
76AQI (US)
76AQI (US)
26th January 2026
30AQI (US)
30AQI (US)
27th January 2026
26AQI (US)
26AQI (US)
28th January 2026
56AQI (US)
56AQI (US)
29th January 2026
33AQI (US)
33AQI (US)
30th January 2026
35AQI (US)
35AQI (US)
31st January 2026
38AQI (US)
38AQI (US)
1st February 2026
49AQI (US)
49AQI (US)
2nd February 2026
54AQI (US)
54AQI (US)
3rd February 2026
48AQI (US)
48AQI (US)
4th February 2026
42AQI (US)
42AQI (US)
5th February 2026
71AQI (US)
71AQI (US)
6th February 2026
62AQI (US)
62AQI (US)
7th February 2026
23AQI (US)
23AQI (US)
8th February 2026
35AQI (US)
35AQI (US)
9th February 2026
55AQI (US)
55AQI (US)
10th February 2026
64AQI (US)
64AQI (US)
11th February 2026
20AQI (US)
20AQI (US)
12th February 2026
10AQI (US)
10AQI (US)
13th February 2026
24AQI (US)
24AQI (US)
14th February 2026
33AQI (US)
33AQI (US)
15th February 2026
25AQI (US)
25AQI (US)
16th February 2026
29AQI (US)
29AQI (US)
17th February 2026
40AQI (US)
40AQI (US)
18th February 2026
36AQI (US)
36AQI (US)
19th February 2026
47AQI (US)
47AQI (US)
20th February 2026
25AQI (US)
25AQI (US)
21st February 2026
21AQI (US)
21AQI (US)
22nd February 2026
32AQI (US)
32AQI (US)
23rd February 2026
21AQI (US)
21AQI (US)
24th February 2026
18AQI (US)
18AQI (US)
25th February 2026
34AQI (US)
34AQI (US)
26th February 2026
29AQI (US)
29AQI (US)
27th February 2026
38AQI (US)
38AQI (US)
28th February 2026
31AQI (US)
31AQI (US)
1st March 2026
21AQI (US)
21AQI (US)
2nd March 2026
40AQI (US)
40AQI (US)
3rd March 2026
45AQI (US)
45AQI (US)
4th March 2026
54AQI (US)
54AQI (US)
5th March 2026
66AQI (US)
66AQI (US)
6th March 2026
73AQI (US)
73AQI (US)
7th March 2026
77AQI (US)
77AQI (US)
8th March 2026
82AQI (US)
82AQI (US)
9th March 2026
71AQI (US)
71AQI (US)
10th March 2026
56AQI (US)
56AQI (US)
11th March 2026
24AQI (US)
24AQI (US)
12th March 2026
10AQI (US)
10AQI (US)
13th March 2026
29AQI (US)
29AQI (US)
14th March 2026
26AQI (US)
26AQI (US)
15th March 2026
21AQI (US)
21AQI (US)
16th March 2026
29AQI (US)
29AQI (US)
17th March 2026
19AQI (US)
19AQI (US)
18th March 2026
28AQI (US)
28AQI (US)
19th March 2026
65AQI (US)
65AQI (US)
20th March 2026
56AQI (US)
56AQI (US)
21st March 2026
62AQI (US)
62AQI (US)
22nd March 2026
60AQI (US)
60AQI (US)
23rd March 2026
52AQI (US)
52AQI (US)
24th March 2026
59AQI (US)
59AQI (US)
25th March 2026
29AQI (US)
29AQI (US)
26th March 2026
11AQI (US)
11AQI (US)
27th March 2026
16AQI (US)
16AQI (US)
28th March 2026
29AQI (US)
29AQI (US)
29th March 2026
26AQI (US)
26AQI (US)
30th March 2026
23AQI (US)
23AQI (US)
31st March 2026
29AQI (US)
29AQI (US)
1st April 2026
23AQI (US)
23AQI (US)
2nd April 2026
30AQI (US)
30AQI (US)
3rd April 2026
27AQI (US)
27AQI (US)
4th April 2026
22AQI (US)
22AQI (US)
5th April 2026
24AQI (US)
24AQI (US)
6th April 2026
19AQI (US)
19AQI (US)
7th April 2026
28AQI (US)
28AQI (US)
8th April 2026
26AQI (US)
26AQI (US)
9th April 2026
21AQI (US)
21AQI (US)
10th April 2026
27AQI (US)
27AQI (US)
11th April 2026
36AQI (US)
36AQI (US)
12th April 2026
17AQI (US)
17AQI (US)
13th April 2026
17AQI (US)
17AQI (US)
14th April 2026
22AQI (US)
22AQI (US)
15th April 2026
39AQI (US)
39AQI (US)
16th April 2026
26AQI (US)
26AQI (US)
17th April 2026
18th April 2026
24AQI (US)
24AQI (US)
19th April 2026
27AQI (US)
27AQI (US)
20th April 2026
14AQI (US)
14AQI (US)
21st April 2026
15AQI (US)
15AQI (US)
22nd April 2026
23rd April 2026
22AQI (US)
22AQI (US)
24th April 2026
18AQI (US)
18AQI (US)
25th April 2026
19AQI (US)
19AQI (US)
26th April 2026
21AQI (US)
21AQI (US)
27th April 2026
26AQI (US)
26AQI (US)
28th April 2026
22AQI (US)
22AQI (US)
29th April 2026
19AQI (US)
19AQI (US)
30th April 2026
22AQI (US)
22AQI (US)
1st May 2026
24AQI (US)
24AQI (US)
2nd May 2026
32AQI (US)
32AQI (US)
3rd May 2026
25AQI (US)
25AQI (US)
4th May 2026
24AQI (US)
24AQI (US)
5th May 2026
27AQI (US)
27AQI (US)
6th May 2026
19AQI (US)
19AQI (US)
7th May 2026
12AQI (US)
12AQI (US)
8th May 2026
28AQI (US)
28AQI (US)
9th May 2026
10th May 2026
24AQI (US)
24AQI (US)
11th May 2026
24AQI (US)
24AQI (US)
12th May 2026
18AQI (US)
18AQI (US)
13th May 2026
22AQI (US)
22AQI (US)
14th May 2026
19AQI (US)
19AQI (US)
15th May 2026
25AQI (US)
25AQI (US)
16th May 2026
35AQI (US)
35AQI (US)
17th May 2026
39AQI (US)
39AQI (US)
18th May 2026
32AQI (US)
32AQI (US)
19th May 2026
34AQI (US)
34AQI (US)
20th May 2026
35AQI (US)
35AQI (US)
21st May 2026
34AQI (US)
34AQI (US)
22nd May 2026
34AQI (US)
34AQI (US)
23rd May 2026
39AQI (US)
39AQI (US)
24th May 2026
51AQI (US)
51AQI (US)
25th May 2026
45AQI (US)
45AQI (US)
26th May 2026
57AQI (US)
57AQI (US)
27th May 2026
42AQI (US)
42AQI (US)
28th May 2026
28AQI (US)
28AQI (US)
29th May 2026
26AQI (US)
26AQI (US)
30th May 2026
19AQI (US)
19AQI (US)
31st May 2026
41AQI (US)
41AQI (US)
1st June 2026
15AQI (US)
15AQI (US)
2nd June 2026
24AQI (US)
24AQI (US)
3rd June 2026
15AQI (US)
15AQI (US)
4th June 2026
16AQI (US)
16AQI (US)
5th June 2026
15AQI (US)
15AQI (US)
6th June 2026
19AQI (US)
19AQI (US)
7th June 2026
18AQI (US)
18AQI (US)
8th June 2026
22AQI (US)
22AQI (US)
9th June 2026
16AQI (US)
16AQI (US)
10th June 2026
16AQI (US)
16AQI (US)
11th June 2026
18AQI (US)
18AQI (US)
12th June 2026
17AQI (US)
17AQI (US)
13th June 2026
20AQI (US)
20AQI (US)
14th June 2026
18AQI (US)
18AQI (US)
15th June 2026
19AQI (US)
19AQI (US)
16th June 2026
28AQI (US)
28AQI (US)
17th June 2026
39AQI (US)
39AQI (US)
18th June 2026
32AQI (US)
32AQI (US)
19th June 2026
27AQI (US)
27AQI (US)
20th June 2026
18AQI (US)
18AQI (US)
21st June 2026
21AQI (US)
21AQI (US)
22nd June 2026
25AQI (US)
25AQI (US)
23rd June 2026
27AQI (US)
27AQI (US)
24th June 2026
26AQI (US)
26AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
29AQI (US)
29AQI (US)
27th June 2026
31AQI (US)
31AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
22AQI (US)
22AQI (US)
30th June 2026
20AQI (US)
20AQI (US)
1st July 2026
19AQI (US)
19AQI (US)
2nd July 2026
14AQI (US)
14AQI (US)
3rd July 2026
20AQI (US)
20AQI (US)
4th July 2026
19AQI (US)
19AQI (US)
5th July 2026
18AQI (US)
18AQI (US)
6th July 2026
18AQI (US)
18AQI (US)
7th July 2026
18AQI (US)
18AQI (US)
8th July 2026
24AQI (US)
24AQI (US)
9th July 2026
21AQI (US)
21AQI (US)
10th July 2026
17AQI (US)
17AQI (US)
11th July 2026
25AQI (US)
25AQI (US)
12th July 2026
24AQI (US)
24AQI (US)
13th July 2026
24AQI (US)
24AQI (US)
14th July 2026
25AQI (US)
25AQI (US)
15th July 2026
25AQI (US)
25AQI (US)
16th July 2026
16AQI (US)
16AQI (US)
17th July 2026
22AQI (US)
22AQI (US)
18th July 2026
31AQI (US)
31AQI (US)
19th July 2026
29AQI (US)
29AQI (US)
20th July 2026
29AQI (US)
29AQI (US)
21st July 2026
29AQI (US)
29AQI (US)
22nd July 2026
32AQI (US)
32AQI (US)
23rd July 2026
30AQI (US)
30AQI (US)
24th July 2026
25AQI (US)
25AQI (US)
25th July 2026
36AQI (US)
36AQI (US)
26th July 2026
33AQI (US)
33AQI (US)
27th July 2026
32AQI (US)
32AQI (US)
28th July 2026
34AQI (US)
34AQI (US)
29th July 2026
47AQI (US)
47AQI (US)
30th July 2026
56AQI (US)
56AQI (US)
31st July 2026
62AQI (US)
62AQI (US)
1st August 2026
43AQI (US)
43AQI (US)
2nd August 2026
40AQI (US)
40AQI (US)
3rd August 2026
49AQI (US)
49AQI (US)
4th August 2026
50AQI (US)
50AQI (US)
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
50AQI (US)
36AQI (US)
42AQI (US)
23AQI (US)
30AQI (US)
22AQI (US)
28AQI (US)
46AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202633AQI (US)
14
17
23
5
18
13
28
28
2
30
29
2
4
174
39
Highest AQI (US) recorded in
January50AQI (US)
Lowest AQI (US) recorded in
June22AQI (US)
202542AQI (US)
16
15
5
23
24
7
30
31
28
2
31
24
7
25
2
1
2
13
18
8
22
6
25
241
121
1
2
Highest AQI (US) recorded in
February60AQI (US)
Lowest AQI (US) recorded in
July22AQI (US)
202426AQI (US)
25
5
28
1
31
30
31
30
31
30
1
2
1
13
24
6
24
7
299
21
Highest AQI (US) recorded in
December42AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
202328AQI (US)
10
1
29
1
30
1
31
24
6
29
2
28
28
2
209
13
Highest AQI (US) recorded in
May43AQI (US)
Lowest AQI (US) recorded in
November19AQI (US)
202234AQI (US)
3
1
27
3
2
4
32
8
Highest AQI (US) recorded in
December56AQI (US)
Lowest AQI (US) recorded in
November29AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2025(Avg.)
42AQI (US)Least Polluted Year Recorded
2024(Avg.)
26AQI (US)Buchs's annual 2026 AQI (US) (33) shows an average percentage change of 5.1% (worsened AQI (US)) compared to previous years: 2022 (34), 2023 (28), 2024 (26), 2025 (42).
