Opfikon Balsberg, Opfikon, Zurich, 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
Opfikon Balsberg, Opfikon, Zurich, Switzerland
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
16th Aug 2025
62AQILowest AQI recorded on
18th Aug 2024
15AQISame Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 34 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Opfikon Balsberg, Opfikon, Zurich, Switzerland
AQI
Day
Night
.
6 AM15th Aug 2026
9 PM
5 AM16th Aug 2026
Day time
Avg. Highest Time
12PM15th Aug
34AQI
Avg. Lowest Time
6PM15th Aug
21AQI
Night time
Avg. Highest Time
1AM16th Aug
42AQI
Avg. Lowest Time
12AM16th Aug
23AQI
In the last 24 hours,
Opfikon Balsberg's AQI reached its highest point of 42 at 1 AM during the Night, while the lowest point, 21, was recorded at 6 PM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Opfikon Balsberg, Opfikon, Zurich, Switzerland
JulAug
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026176 AMAQI
18th Jul 2026217 AMAQI
18th Jul 2026238 AMAQI
18th Jul 2026259 AMAQI
18th Jul 20262110 AMAQI
18th Jul 20262511 AMAQI
18th Jul 20262512 PMAQI
18th Jul 2026231 PMAQI
18th Jul 2026252 PMAQI
18th Jul 2026233 PMAQI
18th Jul 2026274 PMAQI
18th Jul 2026235 PMAQI
18th Jul 2026256 PMAQI
18th Jul 2026237 PMAQI
18th Jul 2026258 PMAQI
18th Jul 2026239 PMAQI
18th Jul 20262510 PMAQI
18th Jul 20262711 PMAQI
19th Jul 20263112 AMAQI
19th Jul 2026361 AMAQI
19th Jul 2026252 AMAQI
19th Jul 2026233 AMAQI
19th Jul 2026214 AMAQI
19th Jul 2026215 AMAQI
20°C15/27°C
19th Jul 2026196 AMAQI
19th Jul 2026277 AMAQI
19th Jul 2026238 AMAQI
19th Jul 2026319 AMAQI
19th Jul 20262710 AMAQI
19th Jul 20262911 AMAQI
19th Jul 20262712 PMAQI
19th Jul 2026251 PMAQI
19th Jul 2026302 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026294 PMAQI
19th Jul 2026315 PMAQI
19th Jul 2026346 PMAQI
19th Jul 2026427 PMAQI
19th Jul 2026428 PMAQI
19th Jul 2026409 PMAQI
19th Jul 20264210 PMAQI
19th Jul 20263811 PMAQI
20th Jul 20263412 AMAQI
20th Jul 2026231 AMAQI
20th Jul 2026212 AMAQI
20th Jul 2026253 AMAQI
20th Jul 2026254 AMAQI
20th Jul 2026255 AMAQI
19°C13/26°C
20th Jul 2026236 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026259 AMAQI
20th Jul 20262710 AMAQI
20th Jul 20262311 AMAQI
20th Jul 20262712 PMAQI
20th Jul 2026231 PMAQI
20th Jul 2026252 PMAQI
20th Jul 2026263 PMAQI
20th Jul 2026234 PMAQI
20th Jul 2026215 PMAQI
20th Jul 2026236 PMAQI
20th Jul 2026257 PMAQI
20th Jul 2026258 PMAQI
20th Jul 2026219 PMAQI
20th Jul 20262110 PMAQI
20th Jul 20262111 PMAQI
21st Jul 20262112 AMAQI
21st Jul 2026231 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026333 AMAQI
21st Jul 2026214 AMAQI
18°C10/27°C
21st Jul 2026196 AMAQI
21st Jul 2026237 AMAQI
21st Jul 2026258 AMAQI
21st Jul 2026319 AMAQI
21st Jul 20263610 AMAQI
21st Jul 20263811 AMAQI
21st Jul 20264412 PMAQI
21st Jul 2026341 PMAQI
21st Jul 2026272 PMAQI
21st Jul 2026253 PMAQI
21st Jul 2026254 PMAQI
21st Jul 2026255 PMAQI
21st Jul 2026256 PMAQI
21st Jul 2026257 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026239 PMAQI
21st Jul 20262310 PMAQI
21st Jul 20262111 PMAQI
22nd Jul 20262112 AMAQI
22nd Jul 2026211 AMAQI
22nd Jul 2026252 AMAQI
22nd Jul 2026203 AMAQI
22nd Jul 2026144 AMAQI
22nd Jul 2026175 AMAQI
17°C9/25°C
22nd Jul 2026176 AMAQI
22nd Jul 2026147 AMAQI
22nd Jul 2026148 AMAQI
22nd Jul 2026239 AMAQI
22nd Jul 20263310 AMAQI
22nd Jul 20264211 AMAQI
22nd Jul 20264212 PMAQI
22nd Jul 2026271 PMAQI
22nd Jul 2026332 PMAQI
22nd Jul 2026333 PMAQI
22nd Jul 2026334 PMAQI
22nd Jul 2026255 PMAQI
22nd Jul 2026256 PMAQI
22nd Jul 2026257 PMAQI
22nd Jul 2026238 PMAQI
22nd Jul 2026219 PMAQI
22nd Jul 20262710 PMAQI
22nd Jul 20262111 PMAQI
23rd Jul 20262912 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026252 AMAQI
23rd Jul 2026173 AMAQI
23rd Jul 2026124 AMAQI
23rd Jul 2026175 AMAQI
18°C8/27°C
23rd Jul 2026146 AMAQI
23rd Jul 2026187 AMAQI
23rd Jul 2026258 AMAQI
23rd Jul 2026239 AMAQI
23rd Jul 20262510 AMAQI
23rd Jul 20262911 AMAQI
23rd Jul 20262912 PMAQI
23rd Jul 2026271 PMAQI
23rd Jul 2026252 PMAQI
23rd Jul 2026213 PMAQI
23rd Jul 2026214 PMAQI
23rd Jul 2026215 PMAQI
23rd Jul 2026216 PMAQI
23rd Jul 2026217 PMAQI
23rd Jul 2026168 PMAQI
23rd Jul 2026259 PMAQI
23rd Jul 20262510 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026193 AMAQI
24th Jul 2026214 AMAQI
24th Jul 2026195 AMAQI
18°C12/26°C
24th Jul 2026216 AMAQI
24th Jul 2026217 AMAQI
24th Jul 2026218 AMAQI
24th Jul 2026279 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20262511 AMAQI
24th Jul 20262112 PMAQI
24th Jul 2026211 PMAQI
24th Jul 2026212 PMAQI
24th Jul 2026213 PMAQI
24th Jul 2026214 PMAQI
24th Jul 2026215 PMAQI
24th Jul 2026216 PMAQI
24th Jul 2026217 PMAQI
24th Jul 2026218 PMAQI
24th Jul 2026219 PMAQI
24th Jul 20262710 PMAQI
24th Jul 20262111 PMAQI
25th Jul 20262712 AMAQI
25th Jul 2026211 AMAQI
25th Jul 2026212 AMAQI
25th Jul 2026213 AMAQI
25th Jul 2026174 AMAQI
25th Jul 2026175 AMAQI
18°C8/27°C
25th Jul 2026196 AMAQI
25th Jul 2026257 AMAQI
25th Jul 2026338 AMAQI
25th Jul 2026239 AMAQI
25th Jul 20262710 AMAQI
25th Jul 20262111 AMAQI
25th Jul 20262312 PMAQI
25th Jul 2026231 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026253 PMAQI
25th Jul 2026294 PMAQI
25th Jul 2026295 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026297 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026409 PMAQI
25th Jul 20264210 PMAQI
25th Jul 20264211 PMAQI
26th Jul 20264612 AMAQI
26th Jul 2026461 AMAQI
26th Jul 2026442 AMAQI
26th Jul 2026363 AMAQI
26th Jul 2026214 AMAQI
26th Jul 2026215 AMAQI
21°C10/31°C
26th Jul 2026216 AMAQI
26th Jul 2026237 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20263112 PMAQI
26th Jul 2026421 PMAQI
26th Jul 2026362 PMAQI
26th Jul 2026333 PMAQI
26th Jul 2026324 PMAQI
26th Jul 2026445 PMAQI
26th Jul 2026506 PMAQI
26th Jul 2026497 PMAQI
26th Jul 2026518 PMAQI
26th Jul 2026549 PMAQI
26th Jul 20266210 PMAQI
26th Jul 20266211 PMAQI
27th Jul 20265712 AMAQI
27th Jul 2026601 AMAQI
27th Jul 2026622 AMAQI
27th Jul 2026443 AMAQI
27th Jul 2026314 AMAQI
27th Jul 2026315 AMAQI
20°C14/27°C
27th Jul 2026336 AMAQI
27th Jul 2026277 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026389 AMAQI
27th Jul 20263810 AMAQI
27th Jul 20263311 AMAQI
27th Jul 20263312 PMAQI
27th Jul 2026331 PMAQI
27th Jul 2026292 PMAQI
27th Jul 2026293 PMAQI
27th Jul 2026254 PMAQI
27th Jul 2026275 PMAQI
27th Jul 2026296 PMAQI
27th Jul 2026297 PMAQI
27th Jul 2026298 PMAQI
27th Jul 2026339 PMAQI
27th Jul 20263110 PMAQI
27th Jul 20262911 PMAQI
28th Jul 20262712 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026232 AMAQI
28th Jul 2026213 AMAQI
28th Jul 2026194 AMAQI
28th Jul 2026195 AMAQI
21°C16/26°C
28th Jul 2026196 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026239 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262311 AMAQI
28th Jul 20262112 PMAQI
28th Jul 2026231 PMAQI
28th Jul 2026232 PMAQI
28th Jul 2026233 PMAQI
28th Jul 2026214 PMAQI
28th Jul 2026215 PMAQI
28th Jul 2026216 PMAQI
28th Jul 2026277 PMAQI
28th Jul 2026238 PMAQI
28th Jul 2026219 PMAQI
28th Jul 20262310 PMAQI
28th Jul 20262411 PMAQI
29th Jul 20263812 AMAQI
29th Jul 2026461 AMAQI
29th Jul 2026342 AMAQI
29th Jul 2026323 AMAQI
29th Jul 2026214 AMAQI
29th Jul 2026175 AMAQI
21°C13/30°C
29th Jul 2026196 AMAQI
29th Jul 2026197 AMAQI
29th Jul 2026338 AMAQI
29th Jul 2026339 AMAQI
29th Jul 20263610 AMAQI
29th Jul 20263111 AMAQI
29th Jul 20263112 PMAQI
29th Jul 2026421 PMAQI
29th Jul 2026472 PMAQI
29th Jul 2026493 PMAQI
29th Jul 2026444 PMAQI
29th Jul 2026365 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026387 PMAQI
29th Jul 2026408 PMAQI
29th Jul 2026449 PMAQI
29th Jul 20264610 PMAQI
29th Jul 20264711 PMAQI
30th Jul 20265212 AMAQI
30th Jul 2026551 AMAQI
30th Jul 2026552 AMAQI
30th Jul 2026573 AMAQI
30th Jul 2026294 AMAQI
30th Jul 2026295 AMAQI
25°C15/36°C
30th Jul 2026296 AMAQI
30th Jul 2026407 AMAQI
30th Jul 2026538 AMAQI
30th Jul 2026539 AMAQI
30th Jul 20265510 AMAQI
30th Jul 20265611 AMAQI
30th Jul 20265612 PMAQI
30th Jul 2026551 PMAQI
30th Jul 2026522 PMAQI
30th Jul 2026573 PMAQI
30th Jul 2026604 PMAQI
30th Jul 2026645 PMAQI
30th Jul 2026656 PMAQI
30th Jul 2026717 PMAQI
30th Jul 2026738 PMAQI
30th Jul 2026709 PMAQI
30th Jul 20267110 PMAQI
30th Jul 20267211 PMAQI
31st Jul 20267112 AMAQI
31st Jul 2026731 AMAQI
31st Jul 2026732 AMAQI
31st Jul 2026623 AMAQI
31st Jul 2026514 AMAQI
31st Jul 2026545 AMAQI
26°C17/37°C
31st Jul 2026536 AMAQI
31st Jul 2026587 AMAQI
31st Jul 2026718 AMAQI
31st Jul 2026739 AMAQI
31st Jul 20267210 AMAQI
31st Jul 20267811 AMAQI
31st Jul 20267012 PMAQI
31st Jul 2026711 PMAQI
31st Jul 2026642 PMAQI
31st Jul 2026623 PMAQI
31st Jul 2026624 PMAQI
31st Jul 2026605 PMAQI
31st Jul 2026636 PMAQI
31st Jul 2026587 PMAQI
31st Jul 2026568 PMAQI
31st Jul 2026549 PMAQI
31st Jul 20265010 PMAQI
31st Jul 20264411 PMAQI
1st Aug 20263812 AMAQI
1st Aug 2026441 AMAQI
1st Aug 2026462 AMAQI
1st Aug 2026533 AMAQI
1st Aug 2026534 AMAQI
1st Aug 2026525 AMAQI
23°C16/33°C
1st Aug 2026536 AMAQI
1st Aug 2026487 AMAQI
1st Aug 2026468 AMAQI
1st Aug 2026509 AMAQI
1st Aug 20264810 AMAQI
1st Aug 20265111 AMAQI
1st Aug 20265412 PMAQI
1st Aug 2026501 PMAQI
1st Aug 2026502 PMAQI
1st Aug 2026483 PMAQI
1st Aug 2026504 PMAQI
1st Aug 2026485 PMAQI
1st Aug 2026446 PMAQI
1st Aug 2026467 PMAQI
1st Aug 2026428 PMAQI
1st Aug 2026389 PMAQI
1st Aug 20263810 PMAQI
1st Aug 20263611 PMAQI
2nd Aug 20263612 AMAQI
2nd Aug 2026361 AMAQI
2nd Aug 2026332 AMAQI
2nd Aug 2026333 AMAQI
2nd Aug 2026314 AMAQI
2nd Aug 2026315 AMAQI
22°C16/30°C
2nd Aug 2026316 AMAQI
2nd Aug 2026427 AMAQI
2nd Aug 2026628 AMAQI
2nd Aug 2026649 AMAQI
2nd Aug 20267010 AMAQI
2nd Aug 20267011 AMAQI
2nd Aug 20266612 PMAQI
2nd Aug 2026631 PMAQI
2nd Aug 2026562 PMAQI
2nd Aug 2026513 PMAQI
2nd Aug 2026424 PMAQI
2nd Aug 2026405 PMAQI
2nd Aug 2026316 PMAQI
2nd Aug 2026257 PMAQI
2nd Aug 2026258 PMAQI
2nd Aug 2026299 PMAQI
2nd Aug 20263110 PMAQI
2nd Aug 20263311 PMAQI
3rd Aug 20264212 AMAQI
3rd Aug 2026401 AMAQI
3rd Aug 2026422 AMAQI
3rd Aug 2026443 AMAQI
3rd Aug 2026384 AMAQI
3rd Aug 2026315 AMAQI
23°C15/32°C
3rd Aug 2026336 AMAQI
3rd Aug 2026427 AMAQI
3rd Aug 2026488 AMAQI
3rd Aug 2026519 AMAQI
3rd Aug 20264910 AMAQI
3rd Aug 20265411 AMAQI
3rd Aug 20265212 PMAQI
3rd Aug 2026511 PMAQI
3rd Aug 2026512 PMAQI
3rd Aug 2026473 PMAQI
3rd Aug 2026444 PMAQI
3rd Aug 2026485 PMAQI
3rd Aug 2026446 PMAQI
3rd Aug 2026447 PMAQI
3rd Aug 2026448 PMAQI
3rd Aug 2026489 PMAQI
3rd Aug 20264610 PMAQI
3rd Aug 20264211 PMAQI
4th Aug 20264012 AMAQI
4th Aug 2026401 AMAQI
4th Aug 2026402 AMAQI
4th Aug 2026423 AMAQI
4th Aug 2026364 AMAQI
4th Aug 2026335 AMAQI
24°C17/36°C
4th Aug 2026386 AMAQI
4th Aug 2026317 AMAQI
4th Aug 2026338 AMAQI
4th Aug 2026389 AMAQI
4th Aug 20264010 AMAQI
4th Aug 20264211 AMAQI
4th Aug 20264412 PMAQI
4th Aug 2026361 PMAQI
4th Aug 2026252 PMAQI
4th Aug 2026253 PMAQI
4th Aug 2026214 PMAQI
4th Aug 2026215 PMAQI
4th Aug 2026326 PMAQI
4th Aug 2026407 PMAQI
4th Aug 2026448 PMAQI
4th Aug 2026449 PMAQI
4th Aug 20264210 PMAQI
4th Aug 20264411 PMAQI
5th Aug 20264012 AMAQI
5th Aug 2026361 AMAQI
5th Aug 2026312 AMAQI
5th Aug 2026233 AMAQI
5th Aug 2026294 AMAQI
5th Aug 2026275 AMAQI
24°C17/35°C
5th Aug 2026296 AMAQI
5th Aug 2026297 AMAQI
5th Aug 2026258 AMAQI
5th Aug 2026239 AMAQI
5th Aug 20262510 AMAQI
5th Aug 20262111 AMAQI
5th Aug 20262312 PMAQI
5th Aug 2026231 PMAQI
5th Aug 2026252 PMAQI
5th Aug 2026253 PMAQI
5th Aug 2026234 PMAQI
5th Aug 2026255 PMAQI
5th Aug 2026276 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026298 PMAQI
5th Aug 2026259 PMAQI
5th Aug 20262310 PMAQI
5th Aug 20262911 PMAQI
6th Aug 20263612 AMAQI
6th Aug 2026231 AMAQI
6th Aug 2026322 AMAQI
6th Aug 2026253 AMAQI
6th Aug 2026234 AMAQI
6th Aug 2026235 AMAQI
23°C16/31°C
6th Aug 2026236 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262310 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262912 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026233 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026236 PMAQI
6th Aug 2026257 PMAQI
6th Aug 2026258 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262510 PMAQI
6th Aug 20262511 PMAQI
7th Aug 20262712 AMAQI
7th Aug 2026211 AMAQI
7th Aug 2026212 AMAQI
7th Aug 2026213 AMAQI
7th Aug 2026214 AMAQI
7th Aug 2026215 AMAQI
23°C17/29°C
7th Aug 2026306 AMAQI
7th Aug 2026257 AMAQI
7th Aug 2026258 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262710 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20262512 PMAQI
7th Aug 2026481 PMAQI
7th Aug 2026462 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026234 PMAQI
7th Aug 2026335 PMAQI
7th Aug 2026216 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026218 PMAQI
7th Aug 2026279 PMAQI
7th Aug 20262110 PMAQI
7th Aug 20262511 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026362 AMAQI
8th Aug 2026193 AMAQI
8th Aug 2026174 AMAQI
8th Aug 2026175 AMAQI
21°C14/29°C
8th Aug 2026146 AMAQI
8th Aug 2026197 AMAQI
8th Aug 2026318 AMAQI
8th Aug 2026369 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026212 PMAQI
8th Aug 2026213 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026315 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026258 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20263311 PMAQI
9th Aug 20265512 AMAQI
9th Aug 2026571 AMAQI
9th Aug 2026582 AMAQI
9th Aug 2026383 AMAQI
9th Aug 2026224 AMAQI
9th Aug 2026175 AMAQI
21°C13/30°C
9th Aug 2026186 AMAQI
9th Aug 2026287 AMAQI
9th Aug 2026298 AMAQI
9th Aug 2026299 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262912 PMAQI
9th Aug 2026251 PMAQI
9th Aug 2026232 PMAQI
9th Aug 2026293 PMAQI
9th Aug 2026214 PMAQI
9th Aug 2026395 PMAQI
9th Aug 2026386 PMAQI
9th Aug 2026337 PMAQI
9th Aug 2026278 PMAQI
9th Aug 2026219 PMAQI
9th Aug 20262310 PMAQI
9th Aug 20262311 PMAQI
10th Aug 20262312 AMAQI
10th Aug 2026231 AMAQI
10th Aug 2026232 AMAQI
10th Aug 2026233 AMAQI
10th Aug 2026234 AMAQI
10th Aug 2026215 AMAQI
23°C15/34°C
10th Aug 2026216 AMAQI
10th Aug 2026217 AMAQI
10th Aug 2026258 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20263310 AMAQI
10th Aug 20263611 AMAQI
10th Aug 20263612 PMAQI
10th Aug 2026381 PMAQI
10th Aug 2026302 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026295 PMAQI
10th Aug 2026336 PMAQI
10th Aug 2026297 PMAQI
10th Aug 2026318 PMAQI
10th Aug 2026349 PMAQI
10th Aug 20263310 PMAQI
10th Aug 20263611 PMAQI
11th Aug 20263312 AMAQI
11th Aug 2026341 AMAQI
11th Aug 2026362 AMAQI
11th Aug 2026323 AMAQI
11th Aug 2026254 AMAQI
11th Aug 2026255 AMAQI
23°C16/32°C
11th Aug 2026256 AMAQI
11th Aug 2026257 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026299 AMAQI
11th Aug 20263210 AMAQI
11th Aug 20263011 AMAQI
11th Aug 20264212 PMAQI
11th Aug 2026421 PMAQI
11th Aug 2026482 PMAQI
11th Aug 2026483 PMAQI
11th Aug 2026424 PMAQI
11th Aug 2026425 PMAQI
11th Aug 2026426 PMAQI
11th Aug 2026307 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026339 PMAQI
11th Aug 20263610 PMAQI
11th Aug 20264711 PMAQI
12th Aug 20265212 AMAQI
12th Aug 2026451 AMAQI
12th Aug 2026422 AMAQI
12th Aug 2026423 AMAQI
12th Aug 2026294 AMAQI
12th Aug 2026295 AMAQI
23°C15/32°C
12th Aug 2026256 AMAQI
12th Aug 2026257 AMAQI
12th Aug 2026218 AMAQI
12th Aug 2026219 AMAQI
12th Aug 20262910 AMAQI
12th Aug 20262711 AMAQI
12th Aug 20262312 PMAQI
12th Aug 2026291 PMAQI
12th Aug 2026272 PMAQI
12th Aug 2026273 PMAQI
12th Aug 2026294 PMAQI
12th Aug 2026275 PMAQI
12th Aug 2026266 PMAQI
12th Aug 2026297 PMAQI
12th Aug 2026298 PMAQI
12th Aug 2026259 PMAQI
12th Aug 20262710 PMAQI
12th Aug 20262911 PMAQI
13th Aug 20262912 AMAQI
13th Aug 2026271 AMAQI
13th Aug 2026232 AMAQI
13th Aug 2026253 AMAQI
13th Aug 2026214 AMAQI
13th Aug 2026215 AMAQI
22°C14/33°C
13th Aug 2026256 AMAQI
13th Aug 2026237 AMAQI
13th Aug 2026298 AMAQI
13th Aug 2026299 AMAQI
13th Aug 20262510 AMAQI
13th Aug 20262511 AMAQI
13th Aug 20262712 PMAQI
13th Aug 2026311 PMAQI
13th Aug 2026252 PMAQI
13th Aug 2026253 PMAQI
13th Aug 2026234 PMAQI
13th Aug 2026215 PMAQI
13th Aug 2026216 PMAQI
13th Aug 2026217 PMAQI
13th Aug 2026218 PMAQI
13th Aug 2026219 PMAQI
13th Aug 20262110 PMAQI
13th Aug 20262911 PMAQI
14th Aug 20263212 AMAQI
14th Aug 2026381 AMAQI
14th Aug 2026562 AMAQI
14th Aug 2026553 AMAQI
14th Aug 2026214 AMAQI
14th Aug 2026215 AMAQI
22°C13/33°C
14th Aug 2026216 AMAQI
14th Aug 2026237 AMAQI
14th Aug 2026298 AMAQI
14th Aug 2026259 AMAQI
14th Aug 20262710 AMAQI
14th Aug 20263211 AMAQI
14th Aug 20263612 PMAQI
14th Aug 2026301 PMAQI
14th Aug 2026282 PMAQI
14th Aug 2026273 PMAQI
14th Aug 2026264 PMAQI
14th Aug 2026365 PMAQI
14th Aug 2026366 PMAQI
14th Aug 2026387 PMAQI
14th Aug 2026328 PMAQI
14th Aug 2026279 PMAQI
14th Aug 20263410 PMAQI
14th Aug 20262711 PMAQI
15th Aug 20262912 AMAQI
15th Aug 2026471 AMAQI
15th Aug 2026312 AMAQI
15th Aug 2026293 AMAQI
15th Aug 2026274 AMAQI
15th Aug 2026275 AMAQI
23°C14/35°C
15th Aug 2026276 AMAQI
15th Aug 2026277 AMAQI
15th Aug 2026218 AMAQI
15th Aug 2026299 AMAQI
15th Aug 20263210 AMAQI
15th Aug 20262711 AMAQI
15th Aug 20263412 PMAQI
15th Aug 2026291 PMAQI
15th Aug 2026232 PMAQI
15th Aug 2026233 PMAQI
15th Aug 2026254 PMAQI
15th Aug 2026295 PMAQI
15th Aug 2026216 PMAQI
15th Aug 2026277 PMAQI
15th Aug 2026258 PMAQI
15th Aug 2026259 PMAQI
15th Aug 20262510 PMAQI
15th Aug 20262311 PMAQI
16th Aug 20262312 AMAQI
16th Aug 2026421 AMAQI
16th Aug 2026402 AMAQI
16th Aug 2026293 AMAQI
16th Aug 2026274 AMAQI
16th Aug 2026255 AMAQI
24°C16/35°C
16th Aug 2026296 AMAQI
6 AM16th Aug 2026277 AMAQI
16th Aug 2026428 AMAQI
16th Aug 2026509 AMAQI
16th Aug 20264210 AMAQI
16th Aug 20264411 AMAQI
16th Aug 20264012 PMAQI
16th Aug 2026381 PMAQI
1 PM16th Aug 2026272 PMAQI
16th Aug 2026403 PMAQI
16th Aug 2026404 PMAQI
16th Aug 2026255 PMAQI
16th Aug 2026276 PMAQI
16th Aug 2026237 PMAQI
16th Aug 2026388 PMAQI
16th Aug 2026369 PMAQI
9 PM16th Aug 20263110 PMAQI
16th Aug 20263311 PMAQI
1 AM
5 AM
17°C2/31°C
Day time
Avg. Highest Time
9 AM - 1 PM
35AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
6 AM
26AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 1 PM (Avg. 35), while the lowest AQI was between 6 AM to 6 AM (Avg. 26).
Night time
Avg. Highest Time
12 AM - 2 AM
36AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
4 AM - 5 AM
25AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 36), while the lowest AQI was between 4 AM to 5 AM (Avg. 25).
2026 Days Vs Air Quality
Opfikon Balsberg, Opfikon, Zurich, Switzerland
2026
83%
186
16%
37
0.8%
2
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
186 DaysModerate
37 DaysPoor
2 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2026, 83% of 228 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
Opfikon Balsberg, Opfikon, Zurich, 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
107AQI (US)
107AQI (US)
2nd January 2026
30AQI (US)
30AQI (US)
3rd January 2026
20AQI (US)
20AQI (US)
4th January 2026
28AQI (US)
28AQI (US)
5th January 2026
49AQI (US)
49AQI (US)
6th January 2026
65AQI (US)
65AQI (US)
7th January 2026
76AQI (US)
76AQI (US)
8th January 2026
30AQI (US)
30AQI (US)
9th January 2026
11AQI (US)
11AQI (US)
10th January 2026
9AQI (US)
9AQI (US)
11th January 2026
39AQI (US)
39AQI (US)
12th January 2026
29AQI (US)
29AQI (US)
13th January 2026
27AQI (US)
27AQI (US)
14th January 2026
39AQI (US)
39AQI (US)
15th January 2026
35AQI (US)
35AQI (US)
16th January 2026
55AQI (US)
55AQI (US)
17th January 2026
69AQI (US)
69AQI (US)
18th January 2026
60AQI (US)
60AQI (US)
19th January 2026
56AQI (US)
56AQI (US)
20th January 2026
46AQI (US)
46AQI (US)
21st January 2026
58AQI (US)
58AQI (US)
22nd January 2026
79AQI (US)
79AQI (US)
23rd January 2026
76AQI (US)
76AQI (US)
24th January 2026
82AQI (US)
82AQI (US)
25th January 2026
87AQI (US)
87AQI (US)
26th January 2026
27AQI (US)
27AQI (US)
27th January 2026
35AQI (US)
35AQI (US)
28th January 2026
54AQI (US)
54AQI (US)
29th January 2026
20AQI (US)
20AQI (US)
30th January 2026
49AQI (US)
49AQI (US)
31st January 2026
57AQI (US)
57AQI (US)
1st February 2026
68AQI (US)
68AQI (US)
2nd February 2026
68AQI (US)
68AQI (US)
3rd February 2026
51AQI (US)
51AQI (US)
4th February 2026
50AQI (US)
50AQI (US)
5th February 2026
77AQI (US)
77AQI (US)
6th February 2026
56AQI (US)
56AQI (US)
7th February 2026
15AQI (US)
15AQI (US)
8th February 2026
46AQI (US)
46AQI (US)
9th February 2026
59AQI (US)
59AQI (US)
10th February 2026
68AQI (US)
68AQI (US)
11th February 2026
16AQI (US)
16AQI (US)
12th February 2026
8AQI (US)
8AQI (US)
13th February 2026
13AQI (US)
13AQI (US)
14th February 2026
33AQI (US)
33AQI (US)
15th February 2026
26AQI (US)
26AQI (US)
16th February 2026
35AQI (US)
35AQI (US)
17th February 2026
42AQI (US)
42AQI (US)
18th February 2026
26AQI (US)
26AQI (US)
19th February 2026
52AQI (US)
52AQI (US)
20th February 2026
25AQI (US)
25AQI (US)
21st February 2026
20AQI (US)
20AQI (US)
22nd February 2026
30AQI (US)
30AQI (US)
23rd February 2026
26AQI (US)
26AQI (US)
24th February 2026
17AQI (US)
17AQI (US)
25th February 2026
32AQI (US)
32AQI (US)
26th February 2026
32AQI (US)
32AQI (US)
27th February 2026
30AQI (US)
30AQI (US)
28th February 2026
33AQI (US)
33AQI (US)
1st March 2026
14AQI (US)
14AQI (US)
2nd March 2026
38AQI (US)
38AQI (US)
3rd March 2026
39AQI (US)
39AQI (US)
4th March 2026
54AQI (US)
54AQI (US)
5th March 2026
78AQI (US)
78AQI (US)
6th March 2026
87AQI (US)
87AQI (US)
7th March 2026
97AQI (US)
97AQI (US)
8th March 2026
101AQI (US)
101AQI (US)
9th March 2026
81AQI (US)
81AQI (US)
10th March 2026
60AQI (US)
60AQI (US)
11th March 2026
9AQI (US)
9AQI (US)
12th March 2026
9AQI (US)
9AQI (US)
13th March 2026
26AQI (US)
26AQI (US)
14th March 2026
33AQI (US)
33AQI (US)
15th March 2026
26AQI (US)
26AQI (US)
16th March 2026
28AQI (US)
28AQI (US)
17th March 2026
18AQI (US)
18AQI (US)
18th March 2026
32AQI (US)
32AQI (US)
19th March 2026
75AQI (US)
75AQI (US)
20th March 2026
56AQI (US)
56AQI (US)
21st March 2026
79AQI (US)
79AQI (US)
22nd March 2026
88AQI (US)
88AQI (US)
23rd March 2026
71AQI (US)
71AQI (US)
24th March 2026
73AQI (US)
73AQI (US)
25th March 2026
46AQI (US)
46AQI (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
22AQI (US)
22AQI (US)
31st March 2026
27AQI (US)
27AQI (US)
1st April 2026
23AQI (US)
23AQI (US)
2nd April 2026
30AQI (US)
30AQI (US)
3rd April 2026
25AQI (US)
25AQI (US)
4th April 2026
18AQI (US)
18AQI (US)
5th April 2026
17AQI (US)
17AQI (US)
6th April 2026
22AQI (US)
22AQI (US)
7th April 2026
27AQI (US)
27AQI (US)
8th April 2026
25AQI (US)
25AQI (US)
9th April 2026
24AQI (US)
24AQI (US)
10th April 2026
34AQI (US)
34AQI (US)
11th April 2026
50AQI (US)
50AQI (US)
12th April 2026
19AQI (US)
19AQI (US)
13th April 2026
25AQI (US)
25AQI (US)
14th April 2026
17AQI (US)
17AQI (US)
15th April 2026
49AQI (US)
49AQI (US)
16th April 2026
29AQI (US)
29AQI (US)
17th April 2026
18th April 2026
23AQI (US)
23AQI (US)
19th April 2026
26AQI (US)
26AQI (US)
20th April 2026
16AQI (US)
16AQI (US)
21st April 2026
19AQI (US)
19AQI (US)
22nd April 2026
23rd April 2026
21AQI (US)
21AQI (US)
24th April 2026
20AQI (US)
20AQI (US)
25th April 2026
22AQI (US)
22AQI (US)
26th April 2026
23AQI (US)
23AQI (US)
27th April 2026
25AQI (US)
25AQI (US)
28th April 2026
22AQI (US)
22AQI (US)
29th April 2026
17AQI (US)
17AQI (US)
30th April 2026
22AQI (US)
22AQI (US)
1st May 2026
31AQI (US)
31AQI (US)
2nd May 2026
43AQI (US)
43AQI (US)
3rd May 2026
32AQI (US)
32AQI (US)
4th May 2026
18AQI (US)
18AQI (US)
5th May 2026
27AQI (US)
27AQI (US)
6th May 2026
22AQI (US)
22AQI (US)
7th May 2026
14AQI (US)
14AQI (US)
8th May 2026
30AQI (US)
30AQI (US)
9th May 2026
10th May 2026
23AQI (US)
23AQI (US)
11th May 2026
22AQI (US)
22AQI (US)
12th May 2026
19AQI (US)
19AQI (US)
13th May 2026
23AQI (US)
23AQI (US)
14th May 2026
17AQI (US)
17AQI (US)
15th May 2026
24AQI (US)
24AQI (US)
16th May 2026
36AQI (US)
36AQI (US)
17th May 2026
38AQI (US)
38AQI (US)
18th May 2026
33AQI (US)
33AQI (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
36AQI (US)
36AQI (US)
23rd May 2026
38AQI (US)
38AQI (US)
24th May 2026
51AQI (US)
51AQI (US)
25th May 2026
44AQI (US)
44AQI (US)
26th May 2026
36AQI (US)
36AQI (US)
27th May 2026
31AQI (US)
31AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
20AQI (US)
20AQI (US)
30th May 2026
22AQI (US)
22AQI (US)
31st May 2026
26AQI (US)
26AQI (US)
1st June 2026
23AQI (US)
23AQI (US)
2nd June 2026
25AQI (US)
25AQI (US)
3rd June 2026
14AQI (US)
14AQI (US)
4th June 2026
15AQI (US)
15AQI (US)
5th June 2026
14AQI (US)
14AQI (US)
6th June 2026
18AQI (US)
18AQI (US)
7th June 2026
18AQI (US)
18AQI (US)
8th June 2026
21AQI (US)
21AQI (US)
9th June 2026
18AQI (US)
18AQI (US)
10th June 2026
17AQI (US)
17AQI (US)
11th June 2026
18AQI (US)
18AQI (US)
12th June 2026
18AQI (US)
18AQI (US)
13th June 2026
20AQI (US)
20AQI (US)
14th June 2026
19AQI (US)
19AQI (US)
15th June 2026
18AQI (US)
18AQI (US)
16th June 2026
24AQI (US)
24AQI (US)
17th June 2026
26AQI (US)
26AQI (US)
18th June 2026
24AQI (US)
24AQI (US)
19th June 2026
33AQI (US)
33AQI (US)
20th June 2026
25AQI (US)
25AQI (US)
21st June 2026
32AQI (US)
32AQI (US)
22nd June 2026
25AQI (US)
25AQI (US)
23rd June 2026
49AQI (US)
49AQI (US)
24th June 2026
47AQI (US)
47AQI (US)
25th June 2026
35AQI (US)
35AQI (US)
26th June 2026
36AQI (US)
36AQI (US)
27th June 2026
49AQI (US)
49AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
22AQI (US)
22AQI (US)
30th June 2026
23AQI (US)
23AQI (US)
1st July 2026
18AQI (US)
18AQI (US)
2nd July 2026
20AQI (US)
20AQI (US)
3rd July 2026
22AQI (US)
22AQI (US)
4th July 2026
19AQI (US)
19AQI (US)
5th July 2026
18AQI (US)
18AQI (US)
6th July 2026
16AQI (US)
16AQI (US)
7th July 2026
19AQI (US)
19AQI (US)
8th July 2026
18AQI (US)
18AQI (US)
9th July 2026
21AQI (US)
21AQI (US)
10th July 2026
27AQI (US)
27AQI (US)
11th July 2026
27AQI (US)
27AQI (US)
12th July 2026
26AQI (US)
26AQI (US)
13th July 2026
27AQI (US)
27AQI (US)
14th July 2026
31AQI (US)
31AQI (US)
15th July 2026
54AQI (US)
54AQI (US)
16th July 2026
21AQI (US)
21AQI (US)
17th July 2026
21AQI (US)
21AQI (US)
18th July 2026
25AQI (US)
25AQI (US)
19th July 2026
30AQI (US)
30AQI (US)
20th July 2026
24AQI (US)
24AQI (US)
21st July 2026
27AQI (US)
27AQI (US)
22nd July 2026
25AQI (US)
25AQI (US)
23rd July 2026
22AQI (US)
22AQI (US)
24th July 2026
22AQI (US)
22AQI (US)
25th July 2026
27AQI (US)
27AQI (US)
26th July 2026
38AQI (US)
38AQI (US)
27th July 2026
35AQI (US)
35AQI (US)
28th July 2026
22AQI (US)
22AQI (US)
29th July 2026
35AQI (US)
35AQI (US)
30th July 2026
55AQI (US)
55AQI (US)
31st July 2026
63AQI (US)
63AQI (US)
1st August 2026
47AQI (US)
47AQI (US)
2nd August 2026
43AQI (US)
43AQI (US)
3rd August 2026
45AQI (US)
45AQI (US)
4th August 2026
36AQI (US)
36AQI (US)
5th August 2026
27AQI (US)
27AQI (US)
6th August 2026
25AQI (US)
25AQI (US)
7th August 2026
26AQI (US)
26AQI (US)
8th August 2026
24AQI (US)
24AQI (US)
9th August 2026
30AQI (US)
30AQI (US)
10th August 2026
28AQI (US)
28AQI (US)
11th August 2026
35AQI (US)
35AQI (US)
12th August 2026
30AQI (US)
30AQI (US)
13th August 2026
24AQI (US)
24AQI (US)
14th August 2026
32AQI (US)
32AQI (US)
15th August 2026
28AQI (US)
28AQI (US)
16th August 2026
34AQI (US)
34AQI (US)
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
49AQI (US)
38AQI (US)
47AQI (US)
25AQI (US)
29AQI (US)
25AQI (US)
28AQI (US)
32AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202634AQI (US)
17
13
1
20
8
18
12
1
28
29
1
30
28
3
16
186
37
2
Highest AQI (US) recorded in
January49AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202538AQI (US)
16
15
5
23
23
8
30
31
24
6
31
23
8
28
2
14
17
21
9
16
15
262
103
Highest AQI (US) recorded in
February61AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202424AQI (US)
30
29
31
30
31
30
31
31
25
3
31
30
26
5
355
8
Highest AQI (US) recorded in
December38AQI (US)
Lowest AQI (US) recorded in
October15AQI (US)
202321AQI (US)
30
28
31
30
31
30
31
29
30
31
29
31
361
Highest AQI (US) recorded in
June34AQI (US)
Lowest AQI (US) recorded in
November16AQI (US)
202221AQI (US)
30
21
31
30
31
30
23
3
29
31
30
31
320
Highest AQI (US) recorded in
July28AQI (US)
Lowest AQI (US) recorded in
November15AQI (US)
202119AQI (US)
29
26
2
31
30
31
30
31
31
30
31
30
30
360
2
Highest AQI (US) recorded in
June25AQI (US)
Lowest AQI (US) recorded in
November14AQI (US)
202019AQI (US)
13
21
18
30
31
31
30
31
30
31
266
Highest AQI (US) recorded in
April28AQI (US)
Lowest AQI (US) recorded in
October11AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
38AQI (US)Least Polluted Year Recorded
2020(Avg.)
19AQI (US)Opfikon Balsberg's annual 2026 AQI (US) (34) shows an average percentage change of 52.1% (worsened AQI (US)) compared to previous years: 2020 (19), 2021 (19), 2022 (21), 2023 (21), 2024 (24), 2025 (38).
