Shirakawa, Fukushima, Japan 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
Shirakawa, Fukushima, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Aug 2025
55AQILowest AQI recorded on
30th Aug 2024
7AQISame Day Analysis (11th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 28 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 10th Aug - 11th Aug 2026
Shirakawa, Fukushima, Japan
AQI
Day
Night
.
4 AM10th Aug 2026
6 PM
3 AM11th Aug 2026
Day time
Avg. Highest Time
6AM10th Aug
30AQI
Avg. Lowest Time
6PM10th Aug
21AQI
Night time
Avg. Highest Time
2AM11th Aug
29AQI
Avg. Lowest Time
9PM10th Aug
21AQI
In the last 24 hours,
Shirakawa's AQI reached its highest point of 30 at 6 AM during the Day, while the lowest point, 21, was recorded at 9 PM during the Night between 10th Aug and 11th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Shirakawa, Fukushima, Japan
JulAug
13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
13th Jul 2026244 AMAQI
13th Jul 2026245 AMAQI
13th Jul 2026246 AMAQI
13th Jul 2026267 AMAQI
13th Jul 2026268 AMAQI
13th Jul 2026279 AMAQI
13th Jul 20262610 AMAQI
13th Jul 20261811 AMAQI
13th Jul 20261412 PMAQI
13th Jul 2026171 PMAQI
13th Jul 2026182 PMAQI
13th Jul 2026163 PMAQI
13th Jul 2026194 PMAQI
13th Jul 2026295 PMAQI
13th Jul 2026276 PMAQI
13th Jul 2026217 PMAQI
13th Jul 2026308 PMAQI
13th Jul 2026289 PMAQI
13th Jul 20263010 PMAQI
13th Jul 20263411 PMAQI
14th Jul 20263212 AMAQI
14th Jul 2026321 AMAQI
14th Jul 2026302 AMAQI
14th Jul 2026313 AMAQI
24°C21/28°C
14th Jul 2026264 AMAQI
14th Jul 2026325 AMAQI
14th Jul 2026316 AMAQI
14th Jul 2026317 AMAQI
14th Jul 2026278 AMAQI
14th Jul 2026309 AMAQI
14th Jul 20263010 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262412 PMAQI
14th Jul 2026221 PMAQI
14th Jul 2026202 PMAQI
14th Jul 2026193 PMAQI
14th Jul 2026584 PMAQI
14th Jul 2026575 PMAQI
14th Jul 2026576 PMAQI
14th Jul 2026577 PMAQI
14th Jul 2026588 PMAQI
14th Jul 2026729 PMAQI
14th Jul 20267310 PMAQI
14th Jul 20265811 PMAQI
15th Jul 20265812 AMAQI
15th Jul 2026551 AMAQI
15th Jul 2026502 AMAQI
15th Jul 2026513 AMAQI
25°C21/31°C
15th Jul 2026484 AMAQI
15th Jul 2026385 AMAQI
15th Jul 2026466 AMAQI
15th Jul 2026447 AMAQI
15th Jul 2026478 AMAQI
15th Jul 2026629 AMAQI
15th Jul 20266310 AMAQI
15th Jul 20266311 AMAQI
15th Jul 20266412 PMAQI
15th Jul 2026641 PMAQI
15th Jul 2026682 PMAQI
15th Jul 2026623 PMAQI
15th Jul 2026624 PMAQI
15th Jul 2026575 PMAQI
15th Jul 2026706 PMAQI
15th Jul 2026727 PMAQI
15th Jul 2026718 PMAQI
15th Jul 2026629 PMAQI
15th Jul 20266710 PMAQI
15th Jul 20266611 PMAQI
16th Jul 20266212 AMAQI
16th Jul 2026581 AMAQI
16th Jul 2026572 AMAQI
16th Jul 2026573 AMAQI
27°C21/33°C
16th Jul 2026594 AMAQI
16th Jul 2026555 AMAQI
16th Jul 2026626 AMAQI
16th Jul 2026707 AMAQI
16th Jul 2026608 AMAQI
16th Jul 2026629 AMAQI
16th Jul 20266910 AMAQI
16th Jul 20264611 AMAQI
16th Jul 20262512 PMAQI
16th Jul 2026251 PMAQI
16th Jul 2026252 PMAQI
16th Jul 2026273 PMAQI
16th Jul 2026274 PMAQI
16th Jul 2026275 PMAQI
16th Jul 2026296 PMAQI
16th Jul 2026337 PMAQI
16th Jul 2026368 PMAQI
16th Jul 2026449 PMAQI
16th Jul 20264210 PMAQI
16th Jul 20264911 PMAQI
17th Jul 20265912 AMAQI
17th Jul 2026621 AMAQI
17th Jul 2026652 AMAQI
17th Jul 2026553 AMAQI
26°C22/32°C
17th Jul 2026484 AMAQI
17th Jul 2026425 AMAQI
17th Jul 2026486 AMAQI
17th Jul 2026447 AMAQI
17th Jul 2026468 AMAQI
17th Jul 2026519 AMAQI
17th Jul 20265010 AMAQI
17th Jul 20265811 AMAQI
17th Jul 20266612 PMAQI
17th Jul 2026641 PMAQI
17th Jul 2026552 PMAQI
17th Jul 2026513 PMAQI
17th Jul 2026444 PMAQI
17th Jul 2026465 PMAQI
17th Jul 2026296 PMAQI
17th Jul 2026277 PMAQI
17th Jul 2026428 PMAQI
17th Jul 2026259 PMAQI
17th Jul 20261910 PMAQI
17th Jul 20262511 PMAQI
18th Jul 20262712 AMAQI
18th Jul 2026271 AMAQI
18th Jul 2026292 AMAQI
18th Jul 2026273 AMAQI
23°C21/25°C
18th Jul 2026234 AMAQI
18th Jul 2026295 AMAQI
18th Jul 2026216 AMAQI
18th Jul 2026257 AMAQI
18th Jul 2026178 AMAQI
18th Jul 2026259 AMAQI
18th Jul 20262510 AMAQI
18th Jul 20262711 AMAQI
18th Jul 20262912 PMAQI
18th Jul 2026311 PMAQI
18th Jul 2026332 PMAQI
18th Jul 2026233 PMAQI
18th Jul 2026254 PMAQI
18th Jul 2026235 PMAQI
18th Jul 2026236 PMAQI
18th Jul 2026237 PMAQI
18th Jul 2026218 PMAQI
18th Jul 2026219 PMAQI
18th Jul 20262510 PMAQI
18th Jul 20262511 PMAQI
19th Jul 20262012 AMAQI
19th Jul 2026231 AMAQI
19th Jul 2026272 AMAQI
19th Jul 2026233 AMAQI
23°C21/25°C
19th Jul 2026274 AMAQI
19th Jul 2026235 AMAQI
19th Jul 2026236 AMAQI
19th Jul 2026237 AMAQI
19th Jul 2026218 AMAQI
19th Jul 2026259 AMAQI
19th Jul 20262710 AMAQI
19th Jul 20262511 AMAQI
19th Jul 20262112 PMAQI
19th Jul 2026231 PMAQI
19th Jul 2026212 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026234 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026276 PMAQI
19th Jul 2026277 PMAQI
19th Jul 2026278 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262910 PMAQI
19th Jul 20262911 PMAQI
20th Jul 20263112 AMAQI
20th Jul 2026311 AMAQI
20th Jul 2026312 AMAQI
20th Jul 2026363 AMAQI
25°C21/30°C
20th Jul 2026344 AMAQI
20th Jul 2026365 AMAQI
20th Jul 2026386 AMAQI
20th Jul 2026347 AMAQI
20th Jul 2026368 AMAQI
20th Jul 2026349 AMAQI
20th Jul 20263610 AMAQI
20th Jul 20263811 AMAQI
20th Jul 20263812 PMAQI
20th Jul 2026361 PMAQI
20th Jul 2026362 PMAQI
20th Jul 2026423 PMAQI
20th Jul 2026544 PMAQI
20th Jul 2026525 PMAQI
20th Jul 2026576 PMAQI
20th Jul 2026567 PMAQI
20th Jul 2026548 PMAQI
20th Jul 2026549 PMAQI
20th Jul 20265310 PMAQI
20th Jul 20265111 PMAQI
21st Jul 20265012 AMAQI
21st Jul 2026511 AMAQI
21st Jul 2026502 AMAQI
21st Jul 2026503 AMAQI
27°C22/33°C
21st Jul 2026444 AMAQI
21st Jul 2026475 AMAQI
21st Jul 2026516 AMAQI
21st Jul 2026447 AMAQI
21st Jul 2026508 AMAQI
21st Jul 2026509 AMAQI
21st Jul 20265310 AMAQI
21st Jul 20265611 AMAQI
21st Jul 2026561 PMAQI
21st Jul 2026542 PMAQI
21st Jul 2026533 PMAQI
21st Jul 2026504 PMAQI
21st Jul 2026545 PMAQI
21st Jul 2026516 PMAQI
21st Jul 2026867 PMAQI
21st Jul 2026528 PMAQI
21st Jul 2026549 PMAQI
21st Jul 20265110 PMAQI
21st Jul 20265211 PMAQI
22nd Jul 20265412 AMAQI
22nd Jul 2026531 AMAQI
22nd Jul 2026522 AMAQI
22nd Jul 2026523 AMAQI
27°C23/34°C
22nd Jul 2026534 AMAQI
22nd Jul 2026495 AMAQI
22nd Jul 2026516 AMAQI
22nd Jul 2026487 AMAQI
22nd Jul 2026508 AMAQI
22nd Jul 2026539 AMAQI
22nd Jul 20265310 AMAQI
22nd Jul 20265211 AMAQI
22nd Jul 20265412 PMAQI
22nd Jul 2026561 PMAQI
22nd Jul 2026552 PMAQI
22nd Jul 2026573 PMAQI
22nd Jul 2026594 PMAQI
22nd Jul 2026605 PMAQI
22nd Jul 2026626 PMAQI
22nd Jul 2026727 PMAQI
22nd Jul 2026788 PMAQI
22nd Jul 2026809 PMAQI
22nd Jul 20268110 PMAQI
22nd Jul 20268011 PMAQI
23rd Jul 20267812 AMAQI
23rd Jul 2026741 AMAQI
23rd Jul 2026782 AMAQI
23rd Jul 2026733 AMAQI
27°C23/35°C
23rd Jul 2026784 AMAQI
23rd Jul 2026845 AMAQI
23rd Jul 2026766 AMAQI
23rd Jul 2026767 AMAQI
23rd Jul 2026728 AMAQI
23rd Jul 2026709 AMAQI
23rd Jul 20265010 AMAQI
23rd Jul 20264411 AMAQI
23rd Jul 20263812 PMAQI
23rd Jul 2026341 PMAQI
23rd Jul 2026182 PMAQI
23rd Jul 2026123 PMAQI
23rd Jul 202684 PMAQI
23rd Jul 2026165 PMAQI
23rd Jul 2026196 PMAQI
23rd Jul 2026217 PMAQI
23rd Jul 2026238 PMAQI
23rd Jul 2026319 PMAQI
23rd Jul 20263110 PMAQI
23rd Jul 20262711 PMAQI
24th Jul 20263612 AMAQI
24th Jul 2026441 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026313 AMAQI
26°C22/32°C
24th Jul 2026294 AMAQI
24th Jul 2026255 AMAQI
24th Jul 2026406 AMAQI
24th Jul 2026337 AMAQI
24th Jul 2026368 AMAQI
24th Jul 2026429 AMAQI
24th Jul 20265010 AMAQI
24th Jul 20265011 AMAQI
24th Jul 20265312 PMAQI
24th Jul 2026551 PMAQI
24th Jul 2026552 PMAQI
24th Jul 2026523 PMAQI
24th Jul 2026404 PMAQI
24th Jul 2026235 PMAQI
24th Jul 2026216 PMAQI
24th Jul 2026177 PMAQI
24th Jul 202688 PMAQI
24th Jul 2026109 PMAQI
24th Jul 20261410 PMAQI
24th Jul 20261411 PMAQI
25th Jul 20261212 AMAQI
25th Jul 2026211 AMAQI
25th Jul 2026142 AMAQI
25th Jul 2026173 AMAQI
23°C21/26°C
25th Jul 2026164 AMAQI
25th Jul 202685 AMAQI
25th Jul 2026146 AMAQI
25th Jul 2026167 AMAQI
25th Jul 2026298 AMAQI
25th Jul 2026319 AMAQI
25th Jul 20263310 AMAQI
25th Jul 20263611 AMAQI
25th Jul 20262912 PMAQI
25th Jul 2026251 PMAQI
25th Jul 2026292 PMAQI
25th Jul 2026293 PMAQI
25th Jul 2026214 PMAQI
25th Jul 2026215 PMAQI
25th Jul 2026276 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026218 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20261910 PMAQI
25th Jul 20262111 PMAQI
26th Jul 20262512 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026232 AMAQI
26th Jul 2026253 AMAQI
23°C20/27°C
26th Jul 2026254 AMAQI
26th Jul 2026255 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262512 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026333 PMAQI
26th Jul 2026294 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026337 PMAQI
26th Jul 2026298 PMAQI
26th Jul 2026299 PMAQI
26th Jul 20263310 PMAQI
26th Jul 20262911 PMAQI
27th Jul 20262912 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026213 AMAQI
22°C20/26°C
27th Jul 2026214 AMAQI
27th Jul 2026255 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026237 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026239 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20261911 AMAQI
27th Jul 20261912 PMAQI
27th Jul 2026211 PMAQI
27th Jul 2026232 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026364 PMAQI
27th Jul 2026305 PMAQI
27th Jul 2026466 PMAQI
27th Jul 2026407 PMAQI
27th Jul 2026328 PMAQI
27th Jul 2026369 PMAQI
27th Jul 20263810 PMAQI
27th Jul 20262911 PMAQI
28th Jul 20263012 AMAQI
28th Jul 2026321 AMAQI
28th Jul 2026232 AMAQI
28th Jul 2026313 AMAQI
21°C18/26°C
28th Jul 2026234 AMAQI
28th Jul 2026255 AMAQI
28th Jul 2026406 AMAQI
28th Jul 2026307 AMAQI
28th Jul 2026278 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262910 AMAQI
28th Jul 20264211 AMAQI
28th Jul 20262712 PMAQI
28th Jul 2026311 PMAQI
28th Jul 2026482 PMAQI
28th Jul 2026513 PMAQI
28th Jul 2026424 PMAQI
28th Jul 2026485 PMAQI
28th Jul 2026406 PMAQI
28th Jul 2026277 PMAQI
28th Jul 2026348 PMAQI
28th Jul 2026549 PMAQI
28th Jul 20264710 PMAQI
28th Jul 20264911 PMAQI
29th Jul 20263812 AMAQI
29th Jul 2026401 AMAQI
29th Jul 2026402 AMAQI
29th Jul 2026383 AMAQI
21°C18/26°C
29th Jul 2026424 AMAQI
29th Jul 2026465 AMAQI
29th Jul 2026446 AMAQI
29th Jul 2026367 AMAQI
29th Jul 2026368 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20263110 AMAQI
29th Jul 20263611 AMAQI
29th Jul 20263612 PMAQI
29th Jul 2026101 PMAQI
29th Jul 2026122 PMAQI
29th Jul 202683 PMAQI
29th Jul 2026124 PMAQI
29th Jul 2026195 PMAQI
29th Jul 2026196 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026148 PMAQI
29th Jul 2026179 PMAQI
29th Jul 20261710 PMAQI
29th Jul 20261711 PMAQI
30th Jul 20261412 AMAQI
30th Jul 2026171 AMAQI
30th Jul 2026172 AMAQI
30th Jul 2026163 AMAQI
22°C19/27°C
30th Jul 2026214 AMAQI
30th Jul 2026195 AMAQI
30th Jul 2026166 AMAQI
30th Jul 2026197 AMAQI
30th Jul 2026218 AMAQI
30th Jul 2026199 AMAQI
30th Jul 20261910 AMAQI
30th Jul 20261911 AMAQI
30th Jul 20261912 PMAQI
30th Jul 2026211 PMAQI
30th Jul 2026212 PMAQI
30th Jul 2026193 PMAQI
30th Jul 2026214 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026277 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026279 PMAQI
30th Jul 20262710 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20262912 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026272 AMAQI
31st Jul 2026273 AMAQI
25°C21/30°C
31st Jul 2026294 AMAQI
31st Jul 2026275 AMAQI
31st Jul 2026276 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026298 AMAQI
31st Jul 2026279 AMAQI
31st Jul 20262710 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20262912 PMAQI
31st Jul 2026251 PMAQI
31st Jul 2026272 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026234 PMAQI
31st Jul 2026215 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026237 PMAQI
31st Jul 2026218 PMAQI
31st Jul 2026239 PMAQI
31st Jul 20262510 PMAQI
31st Jul 20262111 PMAQI
1st Aug 20262312 AMAQI
1st Aug 2026251 AMAQI
1st Aug 2026232 AMAQI
1st Aug 2026253 AMAQI
24°C21/28°C
1st Aug 2026254 AMAQI
1st Aug 2026275 AMAQI
1st Aug 2026276 AMAQI
1st Aug 2026297 AMAQI
1st Aug 2026258 AMAQI
1st Aug 2026279 AMAQI
1st Aug 20262910 AMAQI
1st Aug 20263311 AMAQI
1st Aug 20263312 PMAQI
1st Aug 2026331 PMAQI
1st Aug 2026312 PMAQI
1st Aug 2026293 PMAQI
1st Aug 2026314 PMAQI
1st Aug 2026315 PMAQI
1st Aug 2026316 PMAQI
1st Aug 2026317 PMAQI
1st Aug 2026318 PMAQI
1st Aug 2026299 PMAQI
1st Aug 20262910 PMAQI
1st Aug 20263111 PMAQI
2nd Aug 20263112 AMAQI
2nd Aug 2026331 AMAQI
2nd Aug 2026292 AMAQI
2nd Aug 2026313 AMAQI
25°C20/30°C
2nd Aug 2026294 AMAQI
2nd Aug 2026315 AMAQI
2nd Aug 2026296 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026258 AMAQI
2nd Aug 2026279 AMAQI
2nd Aug 20263310 AMAQI
2nd Aug 20262711 AMAQI
2nd Aug 20262512 PMAQI
2nd Aug 2026271 PMAQI
2nd Aug 2026252 PMAQI
2nd Aug 2026233 PMAQI
2nd Aug 2026214 PMAQI
2nd Aug 2026215 PMAQI
2nd Aug 2026256 PMAQI
2nd Aug 2026217 PMAQI
2nd Aug 2026258 PMAQI
2nd Aug 2026219 PMAQI
2nd Aug 20262110 PMAQI
2nd Aug 20261911 PMAQI
3rd Aug 20261712 AMAQI
3rd Aug 2026171 AMAQI
3rd Aug 2026192 AMAQI
3rd Aug 2026123 AMAQI
23°C19/29°C
3rd Aug 2026164 AMAQI
3rd Aug 2026175 AMAQI
3rd Aug 2026146 AMAQI
3rd Aug 2026147 AMAQI
3rd Aug 2026178 AMAQI
3rd Aug 2026149 AMAQI
3rd Aug 20261410 AMAQI
3rd Aug 20261211 AMAQI
3rd Aug 20261912 PMAQI
3rd Aug 2026121 PMAQI
3rd Aug 2026142 PMAQI
3rd Aug 2026173 PMAQI
3rd Aug 2026144 PMAQI
3rd Aug 2026175 PMAQI
3rd Aug 2026176 PMAQI
3rd Aug 2026147 PMAQI
3rd Aug 2026218 PMAQI
3rd Aug 2026259 PMAQI
3rd Aug 20262110 PMAQI
3rd Aug 20261711 PMAQI
4th Aug 20262512 AMAQI
4th Aug 2026251 AMAQI
4th Aug 2026252 AMAQI
4th Aug 2026253 AMAQI
18°C16/20°C
4th Aug 2026214 AMAQI
4th Aug 2026255 AMAQI
4th Aug 2026256 AMAQI
4th Aug 2026217 AMAQI
4th Aug 2026218 AMAQI
4th Aug 2026219 AMAQI
4th Aug 20262110 AMAQI
4th Aug 20262111 AMAQI
4th Aug 20262112 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026212 PMAQI
4th Aug 2026213 PMAQI
4th Aug 2026214 PMAQI
4th Aug 2026275 PMAQI
4th Aug 2026276 PMAQI
4th Aug 2026297 PMAQI
4th Aug 2026298 PMAQI
4th Aug 2026319 PMAQI
4th Aug 20263110 PMAQI
4th Aug 20262711 PMAQI
5th Aug 20262712 AMAQI
5th Aug 2026271 AMAQI
5th Aug 2026292 AMAQI
5th Aug 2026273 AMAQI
20°C14/27°C
5th Aug 2026254 AMAQI
5th Aug 2026255 AMAQI
5th Aug 2026276 AMAQI
5th Aug 2026297 AMAQI
5th Aug 2026298 AMAQI
5th Aug 2026299 AMAQI
5th Aug 20263310 AMAQI
5th Aug 20262711 AMAQI
5th Aug 20262712 PMAQI
5th Aug 2026291 PMAQI
5th Aug 2026312 PMAQI
5th Aug 2026293 PMAQI
5th Aug 2026294 PMAQI
5th Aug 2026255 PMAQI
5th Aug 2026276 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026278 PMAQI
5th Aug 2026259 PMAQI
5th Aug 20262710 PMAQI
5th Aug 20262711 PMAQI
6th Aug 20262712 AMAQI
6th Aug 2026251 AMAQI
6th Aug 2026272 AMAQI
6th Aug 2026273 AMAQI
22°C15/29°C
6th Aug 2026274 AMAQI
6th Aug 2026275 AMAQI
6th Aug 2026276 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026279 AMAQI
6th Aug 20262910 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262112 PMAQI
6th Aug 2026211 PMAQI
6th Aug 2026212 PMAQI
6th Aug 2026213 PMAQI
6th Aug 2026214 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026276 PMAQI
6th Aug 2026317 PMAQI
6th Aug 2026298 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262910 PMAQI
6th Aug 20262711 PMAQI
7th Aug 20262312 AMAQI
7th Aug 2026251 AMAQI
7th Aug 2026212 AMAQI
7th Aug 2026213 AMAQI
24°C19/31°C
7th Aug 2026214 AMAQI
7th Aug 2026215 AMAQI
7th Aug 2026216 AMAQI
7th Aug 2026217 AMAQI
7th Aug 2026238 AMAQI
7th Aug 2026219 AMAQI
7th Aug 20262110 AMAQI
7th Aug 20262111 AMAQI
7th Aug 20262312 PMAQI
7th Aug 2026421 PMAQI
7th Aug 2026252 PMAQI
7th Aug 2026233 PMAQI
7th Aug 2026214 PMAQI
7th Aug 2026215 PMAQI
7th Aug 2026236 PMAQI
7th Aug 2026277 PMAQI
7th Aug 2026238 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20262310 PMAQI
7th Aug 20262311 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026231 AMAQI
8th Aug 2026232 AMAQI
8th Aug 2026233 AMAQI
25°C22/31°C
8th Aug 2026214 AMAQI
8th Aug 2026215 AMAQI
8th Aug 2026216 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026238 AMAQI
8th Aug 2026239 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262312 PMAQI
8th Aug 2026251 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026253 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026275 PMAQI
8th Aug 2026216 PMAQI
8th Aug 2026237 PMAQI
8th Aug 2026218 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20262110 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20263212 AMAQI
9th Aug 2026231 AMAQI
9th Aug 2026342 AMAQI
9th Aug 2026403 AMAQI
25°C21/32°C
9th Aug 2026234 AMAQI
9th Aug 2026255 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026217 AMAQI
9th Aug 2026218 AMAQI
9th Aug 2026219 AMAQI
9th Aug 20262310 AMAQI
9th Aug 20262111 AMAQI
9th Aug 20262112 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026212 PMAQI
9th Aug 2026213 PMAQI
9th Aug 2026214 PMAQI
9th Aug 2026215 PMAQI
9th Aug 2026216 PMAQI
9th Aug 2026237 PMAQI
9th Aug 2026258 PMAQI
9th Aug 2026239 PMAQI
9th Aug 20262510 PMAQI
9th Aug 20262311 PMAQI
10th Aug 20262312 AMAQI
10th Aug 2026211 AMAQI
10th Aug 2026212 AMAQI
10th Aug 2026213 AMAQI
23°C20/28°C
10th Aug 2026214 AMAQI
10th Aug 2026215 AMAQI
10th Aug 2026306 AMAQI
10th Aug 2026217 AMAQI
10th Aug 2026238 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262311 AMAQI
10th Aug 20262112 PMAQI
10th Aug 2026231 PMAQI
10th Aug 2026252 PMAQI
10th Aug 2026233 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026235 PMAQI
10th Aug 2026216 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026238 PMAQI
10th Aug 2026219 PMAQI
10th Aug 20262310 PMAQI
10th Aug 20262511 PMAQI
11th Aug 20262512 AMAQI
11th Aug 2026271 AMAQI
11th Aug 2026292 AMAQI
11th Aug 2026293 AMAQI
22°C18/27°C
11th Aug 2026334 AMAQI
4 AM11th Aug 2026295 AMAQI
11th Aug 2026296 AMAQI
11th Aug 2026317 AMAQI
11th Aug 2026318 AMAQI
11th Aug 2026299 AMAQI
11th Aug 20262910 AMAQI
11th Aug 20263111 AMAQI
11 AM11th Aug 20262712 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026232 PMAQI
11th Aug 2026233 PMAQI
11th Aug 2026234 PMAQI
11th Aug 2026215 PMAQI
11th Aug 2026216 PMAQI
6 PM11th Aug 2026277 PMAQI
11th Aug 2026318 PMAQI
11th Aug 2026339 PMAQI
11th Aug 20263110 PMAQI
11th Aug 20262911 PMAQI
11 PM3 AM
18°C16/20°C
Day time
Avg. Highest Time
10 AM - 11 AM
33AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
3 PM
29AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 11 AM (Avg. 33), while the lowest AQI was between 3 PM to 3 PM (Avg. 29).
Night time
Avg. Highest Time
12 AM - 1 AM
33AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM - 3 AM
32AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 33), while the lowest AQI was between 2 AM to 3 AM (Avg. 32).
2026 Days Vs Air Quality
Shirakawa, Fukushima, Japan
2026
83%
185
17%
38
Total number of days with different AQI categories in last 223 days in 2026 (142 days remaining)
Good
185 DaysModerate
38 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2026, 83% of 223 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
Shirakawa, Fukushima, Japan
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
17AQI (US)
17AQI (US)
2nd January 2026
17AQI (US)
17AQI (US)
3rd January 2026
16AQI (US)
16AQI (US)
4th January 2026
19AQI (US)
19AQI (US)
5th January 2026
19AQI (US)
19AQI (US)
6th January 2026
20AQI (US)
20AQI (US)
7th January 2026
25AQI (US)
25AQI (US)
8th January 2026
28AQI (US)
28AQI (US)
9th January 2026
14AQI (US)
14AQI (US)
10th January 2026
29AQI (US)
29AQI (US)
11th January 2026
31AQI (US)
31AQI (US)
12th January 2026
17AQI (US)
17AQI (US)
13th January 2026
23AQI (US)
23AQI (US)
14th January 2026
10AQI (US)
10AQI (US)
15th January 2026
27AQI (US)
27AQI (US)
16th January 2026
38AQI (US)
38AQI (US)
17th January 2026
39AQI (US)
39AQI (US)
18th January 2026
18AQI (US)
18AQI (US)
19th January 2026
38AQI (US)
38AQI (US)
20th January 2026
28AQI (US)
28AQI (US)
21st January 2026
15AQI (US)
15AQI (US)
22nd January 2026
24AQI (US)
24AQI (US)
23rd January 2026
50AQI (US)
50AQI (US)
24th January 2026
51AQI (US)
51AQI (US)
25th January 2026
41AQI (US)
41AQI (US)
26th January 2026
18AQI (US)
18AQI (US)
27th January 2026
22AQI (US)
22AQI (US)
28th January 2026
24AQI (US)
24AQI (US)
29th January 2026
20AQI (US)
20AQI (US)
30th January 2026
35AQI (US)
35AQI (US)
31st January 2026
37AQI (US)
37AQI (US)
1st February 2026
41AQI (US)
41AQI (US)
2nd February 2026
14AQI (US)
14AQI (US)
3rd February 2026
19AQI (US)
19AQI (US)
4th February 2026
49AQI (US)
49AQI (US)
5th February 2026
47AQI (US)
47AQI (US)
6th February 2026
34AQI (US)
34AQI (US)
7th February 2026
12AQI (US)
12AQI (US)
8th February 2026
13AQI (US)
13AQI (US)
9th February 2026
42AQI (US)
42AQI (US)
10th February 2026
52AQI (US)
52AQI (US)
11th February 2026
53AQI (US)
53AQI (US)
12th February 2026
21AQI (US)
21AQI (US)
13th February 2026
32AQI (US)
32AQI (US)
14th February 2026
70AQI (US)
70AQI (US)
15th February 2026
57AQI (US)
57AQI (US)
16th February 2026
34AQI (US)
34AQI (US)
17th February 2026
15AQI (US)
15AQI (US)
18th February 2026
29AQI (US)
29AQI (US)
19th February 2026
27AQI (US)
27AQI (US)
20th February 2026
29AQI (US)
29AQI (US)
21st February 2026
46AQI (US)
46AQI (US)
22nd February 2026
43AQI (US)
43AQI (US)
23rd February 2026
39AQI (US)
39AQI (US)
24th February 2026
29AQI (US)
29AQI (US)
25th February 2026
33AQI (US)
33AQI (US)
26th February 2026
11AQI (US)
11AQI (US)
27th February 2026
42AQI (US)
42AQI (US)
28th February 2026
43AQI (US)
43AQI (US)
1st March 2026
51AQI (US)
51AQI (US)
2nd March 2026
92AQI (US)
92AQI (US)
3rd March 2026
51AQI (US)
51AQI (US)
4th March 2026
70AQI (US)
70AQI (US)
5th March 2026
67AQI (US)
67AQI (US)
6th March 2026
56AQI (US)
56AQI (US)
7th March 2026
48AQI (US)
48AQI (US)
8th March 2026
54AQI (US)
54AQI (US)
9th March 2026
41AQI (US)
41AQI (US)
10th March 2026
56AQI (US)
56AQI (US)
11th March 2026
58AQI (US)
58AQI (US)
12th March 2026
70AQI (US)
70AQI (US)
13th March 2026
46AQI (US)
46AQI (US)
14th March 2026
49AQI (US)
49AQI (US)
15th March 2026
60AQI (US)
60AQI (US)
16th March 2026
66AQI (US)
66AQI (US)
17th March 2026
59AQI (US)
59AQI (US)
18th March 2026
61AQI (US)
61AQI (US)
19th March 2026
38AQI (US)
38AQI (US)
20th March 2026
32AQI (US)
32AQI (US)
21st March 2026
58AQI (US)
58AQI (US)
22nd March 2026
48AQI (US)
48AQI (US)
23rd March 2026
58AQI (US)
58AQI (US)
24th March 2026
68AQI (US)
68AQI (US)
25th March 2026
51AQI (US)
51AQI (US)
26th March 2026
21AQI (US)
21AQI (US)
27th March 2026
16AQI (US)
16AQI (US)
28th March 2026
56AQI (US)
56AQI (US)
29th March 2026
62AQI (US)
62AQI (US)
30th March 2026
64AQI (US)
64AQI (US)
31st March 2026
35AQI (US)
35AQI (US)
1st April 2026
12AQI (US)
12AQI (US)
2nd April 2026
21AQI (US)
21AQI (US)
3rd April 2026
50AQI (US)
50AQI (US)
4th April 2026
46AQI (US)
46AQI (US)
5th April 2026
30AQI (US)
30AQI (US)
6th April 2026
22AQI (US)
22AQI (US)
7th April 2026
29AQI (US)
29AQI (US)
8th April 2026
20AQI (US)
20AQI (US)
9th April 2026
30AQI (US)
30AQI (US)
10th April 2026
45AQI (US)
45AQI (US)
11th April 2026
38AQI (US)
38AQI (US)
12th April 2026
34AQI (US)
34AQI (US)
13th April 2026
36AQI (US)
36AQI (US)
14th April 2026
45AQI (US)
45AQI (US)
15th April 2026
48AQI (US)
48AQI (US)
16th April 2026
32AQI (US)
32AQI (US)
17th April 2026
38AQI (US)
38AQI (US)
18th April 2026
38AQI (US)
38AQI (US)
19th April 2026
40AQI (US)
40AQI (US)
20th April 2026
37AQI (US)
37AQI (US)
21st April 2026
42AQI (US)
42AQI (US)
22nd April 2026
44AQI (US)
44AQI (US)
23rd April 2026
35AQI (US)
35AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
45AQI (US)
45AQI (US)
26th April 2026
49AQI (US)
49AQI (US)
27th April 2026
48AQI (US)
48AQI (US)
28th April 2026
40AQI (US)
40AQI (US)
29th April 2026
38AQI (US)
38AQI (US)
30th April 2026
40AQI (US)
40AQI (US)
1st May 2026
48AQI (US)
48AQI (US)
2nd May 2026
54AQI (US)
54AQI (US)
3rd May 2026
42AQI (US)
42AQI (US)
4th May 2026
28AQI (US)
28AQI (US)
5th May 2026
23AQI (US)
23AQI (US)
6th May 2026
36AQI (US)
36AQI (US)
7th May 2026
36AQI (US)
36AQI (US)
8th May 2026
27AQI (US)
27AQI (US)
9th May 2026
29AQI (US)
29AQI (US)
10th May 2026
38AQI (US)
38AQI (US)
11th May 2026
37AQI (US)
37AQI (US)
12th May 2026
43AQI (US)
43AQI (US)
13th May 2026
44AQI (US)
44AQI (US)
14th May 2026
38AQI (US)
38AQI (US)
15th May 2026
39AQI (US)
39AQI (US)
16th May 2026
85AQI (US)
85AQI (US)
17th May 2026
68AQI (US)
68AQI (US)
18th May 2026
53AQI (US)
53AQI (US)
19th May 2026
49AQI (US)
49AQI (US)
20th May 2026
61AQI (US)
61AQI (US)
21st May 2026
59AQI (US)
59AQI (US)
22nd May 2026
61AQI (US)
61AQI (US)
23rd May 2026
54AQI (US)
54AQI (US)
24th May 2026
58AQI (US)
58AQI (US)
25th May 2026
48AQI (US)
48AQI (US)
26th May 2026
40AQI (US)
40AQI (US)
27th May 2026
25AQI (US)
25AQI (US)
28th May 2026
26AQI (US)
26AQI (US)
29th May 2026
24AQI (US)
24AQI (US)
30th May 2026
23AQI (US)
23AQI (US)
31st May 2026
27AQI (US)
27AQI (US)
1st June 2026
28AQI (US)
28AQI (US)
2nd June 2026
34AQI (US)
34AQI (US)
3rd June 2026
24AQI (US)
24AQI (US)
4th June 2026
19AQI (US)
19AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
23AQI (US)
23AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
22AQI (US)
22AQI (US)
10th June 2026
21AQI (US)
21AQI (US)
11th June 2026
25AQI (US)
25AQI (US)
12th June 2026
24AQI (US)
24AQI (US)
13th June 2026
26AQI (US)
26AQI (US)
14th June 2026
26AQI (US)
26AQI (US)
15th June 2026
17AQI (US)
17AQI (US)
16th June 2026
19AQI (US)
19AQI (US)
17th June 2026
25AQI (US)
25AQI (US)
18th June 2026
25AQI (US)
25AQI (US)
19th June 2026
30AQI (US)
30AQI (US)
20th June 2026
22AQI (US)
22AQI (US)
21st June 2026
19AQI (US)
19AQI (US)
22nd June 2026
19AQI (US)
19AQI (US)
23rd June 2026
21AQI (US)
21AQI (US)
24th June 2026
21AQI (US)
21AQI (US)
25th June 2026
27AQI (US)
27AQI (US)
26th June 2026
29AQI (US)
29AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
29AQI (US)
29AQI (US)
29th June 2026
29AQI (US)
29AQI (US)
30th June 2026
25AQI (US)
25AQI (US)
1st July 2026
25AQI (US)
25AQI (US)
2nd July 2026
24AQI (US)
24AQI (US)
3rd July 2026
11AQI (US)
11AQI (US)
4th July 2026
29AQI (US)
29AQI (US)
5th July 2026
28AQI (US)
28AQI (US)
6th July 2026
25AQI (US)
25AQI (US)
7th July 2026
26AQI (US)
26AQI (US)
8th July 2026
25AQI (US)
25AQI (US)
9th July 2026
25AQI (US)
25AQI (US)
10th July 2026
28AQI (US)
28AQI (US)
11th July 2026
31AQI (US)
31AQI (US)
12th July 2026
28AQI (US)
28AQI (US)
13th July 2026
25AQI (US)
25AQI (US)
14th July 2026
39AQI (US)
39AQI (US)
15th July 2026
59AQI (US)
59AQI (US)
16th July 2026
46AQI (US)
46AQI (US)
17th July 2026
47AQI (US)
47AQI (US)
18th July 2026
25AQI (US)
25AQI (US)
19th July 2026
24AQI (US)
24AQI (US)
20th July 2026
42AQI (US)
42AQI (US)
21st July 2026
53AQI (US)
53AQI (US)
22nd July 2026
59AQI (US)
59AQI (US)
23rd July 2026
47AQI (US)
47AQI (US)
24th July 2026
33AQI (US)
33AQI (US)
25th July 2026
22AQI (US)
22AQI (US)
26th July 2026
27AQI (US)
27AQI (US)
27th July 2026
27AQI (US)
27AQI (US)
28th July 2026
36AQI (US)
36AQI (US)
29th July 2026
27AQI (US)
27AQI (US)
30th July 2026
21AQI (US)
21AQI (US)
31st July 2026
26AQI (US)
26AQI (US)
1st August 2026
29AQI (US)
29AQI (US)
2nd August 2026
26AQI (US)
26AQI (US)
3rd August 2026
16AQI (US)
16AQI (US)
4th August 2026
24AQI (US)
24AQI (US)
5th August 2026
28AQI (US)
28AQI (US)
6th August 2026
26AQI (US)
26AQI (US)
7th August 2026
23AQI (US)
23AQI (US)
8th August 2026
23AQI (US)
23AQI (US)
9th August 2026
24AQI (US)
24AQI (US)
10th August 2026
23AQI (US)
23AQI (US)
11th August 2026
28AQI (US)
28AQI (US)
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
26AQI (US)
35AQI (US)
54AQI (US)
37AQI (US)
43AQI (US)
24AQI (US)
32AQI (US)
25AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
30
1
24
4
10
21
30
22
9
30
28
3
11
185
38
Highest AQI (US) recorded in
March54AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202539AQI (US)
31
28
26
5
27
3
28
3
26
4
19
12
27
4
30
17
14
21
9
27
4
307
58
Highest AQI (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
January31AQI (US)
202434AQI (US)
30
29
27
4
20
10
28
3
28
2
27
4
31
29
1
31
29
1
31
340
25
Highest AQI (US) recorded in
April45AQI (US)
Lowest AQI (US) recorded in
December27AQI (US)
202337AQI (US)
29
1
26
2
25
6
21
9
25
6
24
6
22
9
31
29
1
31
25
4
31
319
44
Highest AQI (US) recorded in
April46AQI (US)
Lowest AQI (US) recorded in
December30AQI (US)
202234AQI (US)
30
21
27
4
21
9
25
6
25
5
22
2
1
28
29
2
29
1
31
289
29
Highest AQI (US) recorded in
April44AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202139AQI (US)
28
3
23
5
23
6
17
4
25
6
18
12
24
7
20
11
27
3
27
4
27
3
31
290
64
Highest AQI (US) recorded in
June50AQI (US)
Lowest AQI (US) recorded in
December28AQI (US)
202036AQI (US)
12
1
20
1
16
2
21
9
28
3
14
17
18
1
28
3
24
6
31
212
43
Highest AQI (US) recorded in
August53AQI (US)
Lowest AQI (US) recorded in
December26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
39AQI (US)Least Polluted Year Recorded
2022(Avg.)
34AQI (US)Shirakawa's annual 2026 AQI (US) (35) shows an average percentage change of -3.8% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (39), 2022 (34), 2023 (37), 2024 (34), 2025 (39).
