Hosoya, Utsunomiya, Tochigi, 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
Hosoya, Utsunomiya, Tochigi, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
55AQILowest AQI recorded on
30th Aug 2024
9AQISame Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Hosoya, Utsunomiya, Tochigi, Japan
AQI
Day
Night
.
4 AM14th Aug 2026
6 PM
3 AM15th Aug 2026
Day time
Avg. Highest Time
6AM14th Aug
19AQI
Avg. Lowest Time
3PM14th Aug
14AQI
Night time
Avg. Highest Time
1AM15th Aug
25AQI
Avg. Lowest Time
9PM14th Aug
16AQI
In the last 24 hours,
Hosoya's AQI reached its highest point of 25 at 1 AM during the Night, while the lowest point, 14, was recorded at 3 PM during the Day between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Hosoya, Utsunomiya, Tochigi, Japan
JulAug
17th - 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 - 12th12th - 13th13th - 14th14th - 15th15th
Day
Night
17th Jul 2026424 AMAQI
17th Jul 2026345 AMAQI
17th Jul 2026446 AMAQI
17th Jul 2026517 AMAQI
17th Jul 2026448 AMAQI
17th Jul 2026469 AMAQI
17th Jul 20265110 AMAQI
17th Jul 20264411 AMAQI
17th Jul 20263512 PMAQI
17th Jul 2026301 PMAQI
17th Jul 2026212 PMAQI
17th Jul 2026183 PMAQI
17th Jul 2026184 PMAQI
17th Jul 2026405 PMAQI
17th Jul 2026406 PMAQI
17th Jul 2026297 PMAQI
17th Jul 2026338 PMAQI
17th Jul 2026389 PMAQI
17th Jul 20263810 PMAQI
17th Jul 20261011 PMAQI
18th Jul 20261412 AMAQI
18th Jul 2026231 AMAQI
18th Jul 2026362 AMAQI
18th Jul 2026343 AMAQI
26°C24/28°C
18th Jul 2026294 AMAQI
18th Jul 2026275 AMAQI
18th Jul 2026146 AMAQI
18th Jul 2026177 AMAQI
18th Jul 2026178 AMAQI
18th Jul 2026129 AMAQI
18th Jul 2026810 AMAQI
18th Jul 20261411 AMAQI
18th Jul 20261212 PMAQI
18th Jul 2026101 PMAQI
18th Jul 2026102 PMAQI
18th Jul 2026173 PMAQI
18th Jul 2026144 PMAQI
18th Jul 2026215 PMAQI
18th Jul 2026216 PMAQI
18th Jul 2026127 PMAQI
18th Jul 2026178 PMAQI
18th Jul 2026129 PMAQI
18th Jul 2026810 PMAQI
18th Jul 2026811 PMAQI
19th Jul 2026712 AMAQI
19th Jul 202681 AMAQI
19th Jul 2026102 AMAQI
19th Jul 2026123 AMAQI
25°C23/28°C
19th Jul 2026164 AMAQI
19th Jul 2026215 AMAQI
19th Jul 2026236 AMAQI
19th Jul 2026277 AMAQI
19th Jul 2026298 AMAQI
19th Jul 2026279 AMAQI
19th Jul 20262310 AMAQI
19th Jul 20262111 AMAQI
19th Jul 20262512 PMAQI
19th Jul 2026211 PMAQI
19th Jul 2026252 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026364 PMAQI
19th Jul 2026275 PMAQI
19th Jul 2026236 PMAQI
19th Jul 2026237 PMAQI
19th Jul 2026308 PMAQI
19th Jul 2026369 PMAQI
19th Jul 20263110 PMAQI
19th Jul 20263111 PMAQI
20th Jul 20264012 AMAQI
20th Jul 2026381 AMAQI
20th Jul 2026362 AMAQI
20th Jul 2026333 AMAQI
27°C23/31°C
20th Jul 2026314 AMAQI
20th Jul 2026275 AMAQI
20th Jul 2026256 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026238 AMAQI
20th Jul 2026219 AMAQI
20th Jul 20262310 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20263112 PMAQI
20th Jul 2026381 PMAQI
20th Jul 2026312 PMAQI
20th Jul 2026333 PMAQI
20th Jul 2026294 PMAQI
20th Jul 2026315 PMAQI
20th Jul 2026296 PMAQI
20th Jul 2026277 PMAQI
20th Jul 2026298 PMAQI
20th Jul 2026319 PMAQI
20th Jul 20263110 PMAQI
20th Jul 20263111 PMAQI
21st Jul 20263312 AMAQI
21st Jul 2026381 AMAQI
21st Jul 2026342 AMAQI
21st Jul 2026313 AMAQI
30°C25/35°C
21st Jul 2026294 AMAQI
21st Jul 2026295 AMAQI
21st Jul 2026276 AMAQI
21st Jul 2026317 AMAQI
21st Jul 2026298 AMAQI
21st Jul 2026319 AMAQI
21st Jul 20263810 AMAQI
21st Jul 20264011 AMAQI
21st Jul 2026491 PMAQI
21st Jul 2026532 PMAQI
21st Jul 2026523 PMAQI
21st Jul 2026554 PMAQI
21st Jul 2026525 PMAQI
21st Jul 2026496 PMAQI
21st Jul 2026847 PMAQI
21st Jul 2026518 PMAQI
21st Jul 2026529 PMAQI
21st Jul 20265310 PMAQI
21st Jul 20265211 PMAQI
22nd Jul 20265212 AMAQI
22nd Jul 2026501 AMAQI
22nd Jul 2026462 AMAQI
22nd Jul 2026423 AMAQI
30°C25/36°C
22nd Jul 2026444 AMAQI
22nd Jul 2026405 AMAQI
22nd Jul 2026546 AMAQI
22nd Jul 2026497 AMAQI
22nd Jul 2026568 AMAQI
22nd Jul 2026509 AMAQI
22nd Jul 20264010 AMAQI
22nd Jul 20265111 AMAQI
22nd Jul 20265812 PMAQI
22nd Jul 2026601 PMAQI
22nd Jul 2026642 PMAQI
22nd Jul 2026673 PMAQI
22nd Jul 2026684 PMAQI
22nd Jul 2026665 PMAQI
22nd Jul 2026606 PMAQI
22nd Jul 2026627 PMAQI
22nd Jul 2026648 PMAQI
22nd Jul 2026709 PMAQI
22nd Jul 20268010 PMAQI
22nd Jul 20261711 PMAQI
23rd Jul 20261612 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026272 AMAQI
23rd Jul 2026293 AMAQI
30°C25/37°C
23rd Jul 2026294 AMAQI
23rd Jul 2026385 AMAQI
23rd Jul 2026386 AMAQI
23rd Jul 2026387 AMAQI
23rd Jul 2026298 AMAQI
23rd Jul 2026349 AMAQI
23rd Jul 20264810 AMAQI
23rd Jul 20266011 AMAQI
23rd Jul 20265312 PMAQI
23rd Jul 2026541 PMAQI
23rd Jul 2026562 PMAQI
23rd Jul 2026573 PMAQI
23rd Jul 2026284 PMAQI
23rd Jul 2026585 PMAQI
23rd Jul 2026546 PMAQI
23rd Jul 2026427 PMAQI
23rd Jul 2026368 PMAQI
23rd Jul 2026449 PMAQI
23rd Jul 20263110 PMAQI
23rd Jul 20263111 PMAQI
24th Jul 20261712 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026272 AMAQI
24th Jul 2026253 AMAQI
28°C24/35°C
24th Jul 2026274 AMAQI
24th Jul 2026255 AMAQI
24th Jul 2026346 AMAQI
24th Jul 2026337 AMAQI
24th Jul 2026338 AMAQI
24th Jul 2026369 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20262211 AMAQI
24th Jul 20261812 PMAQI
24th Jul 2026251 PMAQI
24th Jul 2026422 PMAQI
24th Jul 2026503 PMAQI
24th Jul 2026584 PMAQI
24th Jul 2026535 PMAQI
24th Jul 2026386 PMAQI
24th Jul 2026387 PMAQI
24th Jul 2026338 PMAQI
24th Jul 2026319 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20262711 PMAQI
25th Jul 20262712 AMAQI
25th Jul 2026251 AMAQI
25th Jul 2026272 AMAQI
25th Jul 2026213 AMAQI
25°C24/30°C
25th Jul 2026274 AMAQI
25th Jul 2026255 AMAQI
25th Jul 2026316 AMAQI
25th Jul 2026297 AMAQI
25th Jul 2026318 AMAQI
25th Jul 2026389 AMAQI
25th Jul 20262910 AMAQI
25th Jul 20262511 AMAQI
25th Jul 20262512 PMAQI
25th Jul 2026291 PMAQI
25th Jul 2026272 PMAQI
25th Jul 2026273 PMAQI
25th Jul 2026234 PMAQI
25th Jul 2026215 PMAQI
25th Jul 2026336 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026218 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262710 PMAQI
25th Jul 20262511 PMAQI
26th Jul 20265012 AMAQI
26th Jul 2026291 AMAQI
26th Jul 2026312 AMAQI
26th Jul 2026273 AMAQI
26°C23/32°C
26th Jul 2026254 AMAQI
26th Jul 2026235 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 20262712 PMAQI
26th Jul 2026231 PMAQI
26th Jul 2026212 PMAQI
26th Jul 2026213 PMAQI
26th Jul 2026214 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026316 PMAQI
26th Jul 2026277 PMAQI
26th Jul 2026298 PMAQI
26th Jul 2026239 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262912 AMAQI
27th Jul 2026291 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026213 AMAQI
25°C23/29°C
27th Jul 2026214 AMAQI
27th Jul 2026215 AMAQI
27th Jul 2026176 AMAQI
27th Jul 2026147 AMAQI
27th Jul 2026148 AMAQI
27th Jul 2026179 AMAQI
27th Jul 20261910 AMAQI
27th Jul 20262311 AMAQI
27th Jul 20262512 PMAQI
27th Jul 2026231 PMAQI
27th Jul 2026232 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026234 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026256 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262111 PMAQI
28th Jul 20262112 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026253 AMAQI
24°C20/29°C
28th Jul 2026234 AMAQI
28th Jul 2026255 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026239 AMAQI
28th Jul 20262110 AMAQI
28th Jul 20262111 AMAQI
28th Jul 20262112 PMAQI
28th Jul 2026211 PMAQI
28th Jul 2026212 PMAQI
28th Jul 2026233 PMAQI
28th Jul 2026274 PMAQI
28th Jul 2026365 PMAQI
28th Jul 2026316 PMAQI
28th Jul 2026317 PMAQI
28th Jul 2026468 PMAQI
28th Jul 2026469 PMAQI
28th Jul 20263810 PMAQI
28th Jul 20263111 PMAQI
29th Jul 20263112 AMAQI
29th Jul 2026461 AMAQI
29th Jul 2026422 AMAQI
29th Jul 2026403 AMAQI
23°C21/28°C
29th Jul 2026404 AMAQI
29th Jul 2026445 AMAQI
29th Jul 2026426 AMAQI
29th Jul 2026427 AMAQI
29th Jul 2026428 AMAQI
29th Jul 2026449 AMAQI
29th Jul 20264810 AMAQI
29th Jul 20264611 AMAQI
29th Jul 20264212 PMAQI
29th Jul 2026291 PMAQI
29th Jul 2026292 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026234 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262710 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262712 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026312 AMAQI
30th Jul 2026363 AMAQI
26°C21/32°C
30th Jul 2026314 AMAQI
30th Jul 2026275 AMAQI
30th Jul 2026296 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026279 AMAQI
30th Jul 20262910 AMAQI
30th Jul 20262911 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026211 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026363 PMAQI
30th Jul 2026214 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026386 PMAQI
30th Jul 2026237 PMAQI
30th Jul 2026408 PMAQI
30th Jul 2026499 PMAQI
30th Jul 20263110 PMAQI
30th Jul 20264011 PMAQI
31st Jul 20263812 AMAQI
31st Jul 2026421 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026313 AMAQI
28°C23/34°C
31st Jul 2026424 AMAQI
31st Jul 2026425 AMAQI
31st Jul 2026406 AMAQI
31st Jul 2026317 AMAQI
31st Jul 2026428 AMAQI
31st Jul 2026429 AMAQI
31st Jul 20265010 AMAQI
31st Jul 20265811 AMAQI
31st Jul 20263612 PMAQI
31st Jul 2026461 PMAQI
31st Jul 2026462 PMAQI
31st Jul 2026343 PMAQI
31st Jul 2026404 PMAQI
31st Jul 2026485 PMAQI
31st Jul 2026426 PMAQI
31st Jul 2026467 PMAQI
31st Jul 2026488 PMAQI
31st Jul 2026369 PMAQI
31st Jul 20263610 PMAQI
31st Jul 20263811 PMAQI
1st Aug 20263612 AMAQI
1st Aug 2026251 AMAQI
1st Aug 2026312 AMAQI
1st Aug 2026363 AMAQI
26°C24/30°C
1st Aug 2026294 AMAQI
1st Aug 2026365 AMAQI
1st Aug 2026366 AMAQI
1st Aug 2026337 AMAQI
1st Aug 2026468 AMAQI
1st Aug 2026429 AMAQI
1st Aug 20264810 AMAQI
1st Aug 20263811 AMAQI
1st Aug 20263312 PMAQI
1st Aug 2026531 PMAQI
1st Aug 2026422 PMAQI
1st Aug 2026583 PMAQI
1st Aug 2026294 PMAQI
1st Aug 2026315 PMAQI
1st Aug 2026336 PMAQI
1st Aug 2026297 PMAQI
1st Aug 2026388 PMAQI
1st Aug 2026319 PMAQI
1st Aug 20265410 PMAQI
1st Aug 20265211 PMAQI
2nd Aug 20265912 AMAQI
2nd Aug 2026511 AMAQI
2nd Aug 2026442 AMAQI
2nd Aug 2026563 AMAQI
28°C23/34°C
2nd Aug 2026604 AMAQI
2nd Aug 2026545 AMAQI
2nd Aug 2026466 AMAQI
2nd Aug 2026487 AMAQI
2nd Aug 2026468 AMAQI
2nd Aug 2026489 AMAQI
2nd Aug 20263810 AMAQI
2nd Aug 20264011 AMAQI
2nd Aug 20263012 PMAQI
2nd Aug 2026401 PMAQI
2nd Aug 2026462 PMAQI
2nd Aug 2026583 PMAQI
2nd Aug 2026624 PMAQI
2nd Aug 2026535 PMAQI
2nd Aug 2026386 PMAQI
2nd Aug 2026257 PMAQI
2nd Aug 2026238 PMAQI
2nd Aug 2026299 PMAQI
2nd Aug 20263310 PMAQI
2nd Aug 20262911 PMAQI
3rd Aug 20262012 AMAQI
3rd Aug 2026231 AMAQI
3rd Aug 2026232 AMAQI
3rd Aug 202683 AMAQI
27°C22/34°C
3rd Aug 202684 AMAQI
3rd Aug 2026105 AMAQI
3rd Aug 202686 AMAQI
3rd Aug 202687 AMAQI
3rd Aug 202688 AMAQI
3rd Aug 202689 AMAQI
3rd Aug 2026810 AMAQI
3rd Aug 2026411 AMAQI
3rd Aug 20261212 PMAQI
3rd Aug 2026101 PMAQI
3rd Aug 202682 PMAQI
3rd Aug 202683 PMAQI
3rd Aug 202684 PMAQI
3rd Aug 2026125 PMAQI
3rd Aug 202686 PMAQI
3rd Aug 2026147 PMAQI
3rd Aug 2026298 PMAQI
3rd Aug 2026129 PMAQI
3rd Aug 20261410 PMAQI
3rd Aug 2026811 PMAQI
4th Aug 2026812 AMAQI
4th Aug 202681 AMAQI
4th Aug 202682 AMAQI
4th Aug 2026193 AMAQI
22°C21/24°C
4th Aug 2026254 AMAQI
4th Aug 2026145 AMAQI
4th Aug 2026236 AMAQI
4th Aug 2026147 AMAQI
4th Aug 2026258 AMAQI
4th Aug 2026219 AMAQI
4th Aug 20262710 AMAQI
4th Aug 20262511 AMAQI
4th Aug 20261412 PMAQI
4th Aug 2026271 PMAQI
4th Aug 2026252 PMAQI
4th Aug 2026273 PMAQI
4th Aug 2026214 PMAQI
4th Aug 2026215 PMAQI
4th Aug 2026236 PMAQI
4th Aug 2026257 PMAQI
4th Aug 2026258 PMAQI
4th Aug 2026239 PMAQI
4th Aug 20262310 PMAQI
4th Aug 20262711 PMAQI
5th Aug 20262712 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026252 AMAQI
5th Aug 2026253 AMAQI
23°C19/29°C
5th Aug 2026234 AMAQI
5th Aug 2026235 AMAQI
5th Aug 2026256 AMAQI
5th Aug 2026217 AMAQI
5th Aug 2026218 AMAQI
5th Aug 2026219 AMAQI
5th Aug 20262510 AMAQI
5th Aug 20262511 AMAQI
5th Aug 20262112 PMAQI
5th Aug 2026231 PMAQI
5th Aug 2026232 PMAQI
5th Aug 2026213 PMAQI
5th Aug 2026234 PMAQI
5th Aug 2026235 PMAQI
5th Aug 2026236 PMAQI
5th Aug 2026217 PMAQI
5th Aug 2026238 PMAQI
5th Aug 2026259 PMAQI
5th Aug 20262310 PMAQI
5th Aug 20262111 PMAQI
6th Aug 20262112 AMAQI
6th Aug 2026211 AMAQI
6th Aug 2026212 AMAQI
6th Aug 2026233 AMAQI
24°C19/31°C
6th Aug 2026234 AMAQI
6th Aug 2026255 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026238 AMAQI
6th Aug 2026239 AMAQI
6th Aug 20262710 AMAQI
6th Aug 20262911 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026231 PMAQI
6th Aug 2026212 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026294 PMAQI
6th Aug 2026295 PMAQI
6th Aug 2026296 PMAQI
6th Aug 2026297 PMAQI
6th Aug 2026298 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262510 PMAQI
6th Aug 20262111 PMAQI
7th Aug 20262112 AMAQI
7th Aug 2026211 AMAQI
7th Aug 2026232 AMAQI
7th Aug 2026273 AMAQI
27°C23/33°C
7th Aug 2026254 AMAQI
7th Aug 2026215 AMAQI
7th Aug 2026236 AMAQI
7th Aug 2026257 AMAQI
7th Aug 2026278 AMAQI
7th Aug 2026299 AMAQI
7th Aug 20262910 AMAQI
7th Aug 20264211 AMAQI
7th Aug 20263812 PMAQI
7th Aug 2026441 PMAQI
7th Aug 2026332 PMAQI
7th Aug 2026273 PMAQI
7th Aug 2026214 PMAQI
7th Aug 2026235 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026237 PMAQI
7th Aug 2026218 PMAQI
7th Aug 2026219 PMAQI
7th Aug 20262110 PMAQI
7th Aug 20262111 PMAQI
8th Aug 20262712 AMAQI
8th Aug 2026271 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026213 AMAQI
28°C23/34°C
8th Aug 2026234 AMAQI
8th Aug 2026215 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026237 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026279 AMAQI
8th Aug 20262310 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262112 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026212 PMAQI
8th Aug 2026213 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026235 PMAQI
8th Aug 2026236 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026218 PMAQI
8th Aug 2026239 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20262911 PMAQI
9th Aug 20262712 AMAQI
9th Aug 2026251 AMAQI
9th Aug 2026292 AMAQI
9th Aug 2026293 AMAQI
28°C24/34°C
9th Aug 2026274 AMAQI
9th Aug 2026275 AMAQI
9th Aug 2026296 AMAQI
9th Aug 2026297 AMAQI
9th Aug 2026278 AMAQI
9th Aug 2026279 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262111 AMAQI
9th Aug 20262512 PMAQI
9th Aug 2026251 PMAQI
9th Aug 2026212 PMAQI
9th Aug 2026233 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026486 PMAQI
9th Aug 2026277 PMAQI
9th Aug 2026338 PMAQI
9th Aug 2026369 PMAQI
9th Aug 20263810 PMAQI
9th Aug 20262711 PMAQI
10th Aug 20262312 AMAQI
10th Aug 2026211 AMAQI
10th Aug 2026232 AMAQI
10th Aug 2026213 AMAQI
26°C23/31°C
10th Aug 2026234 AMAQI
10th Aug 2026215 AMAQI
10th Aug 2026336 AMAQI
10th Aug 2026387 AMAQI
10th Aug 2026218 AMAQI
10th Aug 2026219 AMAQI
10th Aug 20262310 AMAQI
10th Aug 20262311 AMAQI
10th Aug 20262712 PMAQI
10th Aug 2026251 PMAQI
10th Aug 2026332 PMAQI
10th Aug 2026213 PMAQI
10th Aug 2026214 PMAQI
10th Aug 2026255 PMAQI
10th Aug 2026296 PMAQI
10th Aug 2026277 PMAQI
10th Aug 2026488 PMAQI
10th Aug 2026339 PMAQI
10th Aug 20264010 PMAQI
10th Aug 20262911 PMAQI
11th Aug 20263612 AMAQI
11th Aug 2026381 AMAQI
11th Aug 2026252 AMAQI
11th Aug 2026423 AMAQI
25°C21/30°C
11th Aug 2026424 AMAQI
11th Aug 2026505 AMAQI
11th Aug 2026486 AMAQI
11th Aug 2026527 AMAQI
11th Aug 2026408 AMAQI
11th Aug 2026489 AMAQI
11th Aug 20263610 AMAQI
11th Aug 20262711 AMAQI
11th Aug 20263612 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026212 PMAQI
11th Aug 2026233 PMAQI
11th Aug 2026234 PMAQI
11th Aug 2026275 PMAQI
11th Aug 2026216 PMAQI
11th Aug 2026187 PMAQI
11th Aug 2026238 PMAQI
11th Aug 2026279 PMAQI
11th Aug 20262710 PMAQI
11th Aug 20262111 PMAQI
12th Aug 20261912 AMAQI
12th Aug 2026271 AMAQI
12th Aug 2026292 AMAQI
12th Aug 2026253 AMAQI
20°C19/24°C
12th Aug 2026274 AMAQI
12th Aug 2026315 AMAQI
12th Aug 2026236 AMAQI
12th Aug 2026217 AMAQI
12th Aug 2026218 AMAQI
12th Aug 2026219 AMAQI
12th Aug 20262310 AMAQI
12th Aug 20262111 AMAQI
12th Aug 20262112 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026272 PMAQI
12th Aug 2026293 PMAQI
12th Aug 2026314 PMAQI
12th Aug 2026275 PMAQI
12th Aug 2026276 PMAQI
12th Aug 2026217 PMAQI
12th Aug 2026298 PMAQI
12th Aug 2026279 PMAQI
12th Aug 20262510 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20262512 AMAQI
13th Aug 2026251 AMAQI
13th Aug 2026232 AMAQI
13th Aug 2026213 AMAQI
21°C20/22°C
13th Aug 2026234 AMAQI
13th Aug 2026255 AMAQI
13th Aug 2026256 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026258 AMAQI
13th Aug 2026239 AMAQI
13th Aug 20262110 AMAQI
13th Aug 20262111 AMAQI
13th Aug 20262312 PMAQI
13th Aug 2026171 PMAQI
13th Aug 2026172 PMAQI
13th Aug 2026213 PMAQI
13th Aug 2026194 PMAQI
13th Aug 2026215 PMAQI
13th Aug 2026196 PMAQI
13th Aug 2026147 PMAQI
13th Aug 2026198 PMAQI
13th Aug 2026219 PMAQI
13th Aug 20261910 PMAQI
13th Aug 20262311 PMAQI
14th Aug 20261912 AMAQI
14th Aug 2026171 AMAQI
14th Aug 2026142 AMAQI
14th Aug 2026173 AMAQI
24°C21/29°C
14th Aug 2026174 AMAQI
14th Aug 2026175 AMAQI
14th Aug 2026196 AMAQI
14th Aug 2026177 AMAQI
14th Aug 2026148 AMAQI
14th Aug 2026149 AMAQI
14th Aug 20261410 AMAQI
14th Aug 20261411 AMAQI
14th Aug 20261412 PMAQI
14th Aug 2026141 PMAQI
14th Aug 2026172 PMAQI
14th Aug 2026143 PMAQI
14th Aug 2026174 PMAQI
14th Aug 2026175 PMAQI
14th Aug 2026196 PMAQI
14th Aug 2026177 PMAQI
14th Aug 2026168 PMAQI
14th Aug 2026169 PMAQI
14th Aug 20261910 PMAQI
14th Aug 20261911 PMAQI
15th Aug 20262112 AMAQI
15th Aug 2026251 AMAQI
15th Aug 2026232 AMAQI
15th Aug 2026213 AMAQI
24°C21/27°C
15th Aug 2026234 AMAQI
4 AM15th Aug 2026255 AMAQI
15th Aug 2026256 AMAQI
15th Aug 2026237 AMAQI
15th Aug 2026218 AMAQI
15th Aug 2026239 AMAQI
15th Aug 20262110 AMAQI
15th Aug 20262111 AMAQI
11 AM15th Aug 20262512 PMAQI
15th Aug 2026231 PMAQI
15th Aug 2026232 PMAQI
15th Aug 2026253 PMAQI
15th Aug 2026274 PMAQI
15th Aug 2026275 PMAQI
15th Aug 2026216 PMAQI
6 PM15th Aug 2026237 PMAQI
15th Aug 2026258 PMAQI
15th Aug 2026259 PMAQI
15th Aug 20262710 PMAQI
15th Aug 20262711 PMAQI
11 PM3 AM
24°C22/28°C
Day time
Avg. Highest Time
5 PM - 6 PM
31AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
4 AM - 5 AM
28AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 PM to 6 PM (Avg. 31), while the lowest AQI was between 4 AM to 5 AM (Avg. 28).
Night time
Avg. Highest Time
8 PM
31AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
11 PM
26AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 8 PM (Avg. 31), while the lowest AQI was between 11 PM to 11 PM (Avg. 26).
2026 Days Vs Air Quality
Hosoya, Utsunomiya, Tochigi, Japan
2026
86%
196
14%
31
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Good
196 DaysModerate
31 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2026, 86% of 227 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
Hosoya, Utsunomiya, Tochigi, 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
20AQI (US)
20AQI (US)
2nd January 2026
20AQI (US)
20AQI (US)
3rd January 2026
27AQI (US)
27AQI (US)
4th January 2026
25AQI (US)
25AQI (US)
5th January 2026
33AQI (US)
33AQI (US)
6th January 2026
25AQI (US)
25AQI (US)
7th January 2026
37AQI (US)
37AQI (US)
8th January 2026
36AQI (US)
36AQI (US)
9th January 2026
30AQI (US)
30AQI (US)
10th January 2026
42AQI (US)
42AQI (US)
11th January 2026
42AQI (US)
42AQI (US)
12th January 2026
17AQI (US)
17AQI (US)
13th January 2026
31AQI (US)
31AQI (US)
14th January 2026
14AQI (US)
14AQI (US)
15th January 2026
33AQI (US)
33AQI (US)
16th January 2026
51AQI (US)
51AQI (US)
17th January 2026
49AQI (US)
49AQI (US)
18th January 2026
28AQI (US)
28AQI (US)
19th January 2026
44AQI (US)
44AQI (US)
20th January 2026
33AQI (US)
33AQI (US)
21st January 2026
20AQI (US)
20AQI (US)
22nd January 2026
29AQI (US)
29AQI (US)
23rd January 2026
52AQI (US)
52AQI (US)
24th January 2026
54AQI (US)
54AQI (US)
25th January 2026
42AQI (US)
42AQI (US)
26th January 2026
24AQI (US)
24AQI (US)
27th January 2026
42AQI (US)
42AQI (US)
28th January 2026
29AQI (US)
29AQI (US)
29th January 2026
27AQI (US)
27AQI (US)
30th January 2026
38AQI (US)
38AQI (US)
31st January 2026
41AQI (US)
41AQI (US)
1st February 2026
45AQI (US)
45AQI (US)
2nd February 2026
17AQI (US)
17AQI (US)
3rd February 2026
19AQI (US)
19AQI (US)
4th February 2026
50AQI (US)
50AQI (US)
5th February 2026
47AQI (US)
47AQI (US)
6th February 2026
42AQI (US)
42AQI (US)
7th February 2026
14AQI (US)
14AQI (US)
8th February 2026
15AQI (US)
15AQI (US)
9th February 2026
40AQI (US)
40AQI (US)
10th February 2026
48AQI (US)
48AQI (US)
11th February 2026
50AQI (US)
50AQI (US)
12th February 2026
33AQI (US)
33AQI (US)
13th February 2026
48AQI (US)
48AQI (US)
14th February 2026
66AQI (US)
66AQI (US)
15th February 2026
62AQI (US)
62AQI (US)
16th February 2026
50AQI (US)
50AQI (US)
17th February 2026
17AQI (US)
17AQI (US)
18th February 2026
31AQI (US)
31AQI (US)
19th February 2026
31AQI (US)
31AQI (US)
20th February 2026
29AQI (US)
29AQI (US)
21st February 2026
46AQI (US)
46AQI (US)
22nd February 2026
39AQI (US)
39AQI (US)
23rd February 2026
42AQI (US)
42AQI (US)
24th February 2026
28AQI (US)
28AQI (US)
25th February 2026
29AQI (US)
29AQI (US)
26th February 2026
10AQI (US)
10AQI (US)
27th February 2026
43AQI (US)
43AQI (US)
28th February 2026
46AQI (US)
46AQI (US)
1st March 2026
50AQI (US)
50AQI (US)
2nd March 2026
89AQI (US)
89AQI (US)
3rd March 2026
51AQI (US)
51AQI (US)
4th March 2026
63AQI (US)
63AQI (US)
5th March 2026
64AQI (US)
64AQI (US)
6th March 2026
53AQI (US)
53AQI (US)
7th March 2026
47AQI (US)
47AQI (US)
8th March 2026
50AQI (US)
50AQI (US)
9th March 2026
47AQI (US)
47AQI (US)
10th March 2026
55AQI (US)
55AQI (US)
11th March 2026
59AQI (US)
59AQI (US)
12th March 2026
71AQI (US)
71AQI (US)
13th March 2026
45AQI (US)
45AQI (US)
14th March 2026
49AQI (US)
49AQI (US)
15th March 2026
60AQI (US)
60AQI (US)
16th March 2026
64AQI (US)
64AQI (US)
17th March 2026
59AQI (US)
59AQI (US)
18th March 2026
60AQI (US)
60AQI (US)
19th March 2026
39AQI (US)
39AQI (US)
20th March 2026
26AQI (US)
26AQI (US)
21st March 2026
36AQI (US)
36AQI (US)
22nd March 2026
52AQI (US)
52AQI (US)
23rd March 2026
51AQI (US)
51AQI (US)
24th March 2026
44AQI (US)
44AQI (US)
25th March 2026
56AQI (US)
56AQI (US)
26th March 2026
24AQI (US)
24AQI (US)
27th March 2026
15AQI (US)
15AQI (US)
28th March 2026
47AQI (US)
47AQI (US)
29th March 2026
54AQI (US)
54AQI (US)
30th March 2026
58AQI (US)
58AQI (US)
31st March 2026
39AQI (US)
39AQI (US)
1st April 2026
13AQI (US)
13AQI (US)
2nd April 2026
24AQI (US)
24AQI (US)
3rd April 2026
47AQI (US)
47AQI (US)
4th April 2026
44AQI (US)
44AQI (US)
5th April 2026
13AQI (US)
13AQI (US)
6th April 2026
16AQI (US)
16AQI (US)
7th April 2026
32AQI (US)
32AQI (US)
8th April 2026
21AQI (US)
21AQI (US)
9th April 2026
31AQI (US)
31AQI (US)
10th April 2026
46AQI (US)
46AQI (US)
11th April 2026
35AQI (US)
35AQI (US)
12th April 2026
33AQI (US)
33AQI (US)
13th April 2026
36AQI (US)
36AQI (US)
14th April 2026
42AQI (US)
42AQI (US)
15th April 2026
44AQI (US)
44AQI (US)
16th April 2026
29AQI (US)
29AQI (US)
17th April 2026
37AQI (US)
37AQI (US)
18th April 2026
37AQI (US)
37AQI (US)
19th April 2026
39AQI (US)
39AQI (US)
20th April 2026
36AQI (US)
36AQI (US)
21st April 2026
40AQI (US)
40AQI (US)
22nd April 2026
45AQI (US)
45AQI (US)
23rd April 2026
35AQI (US)
35AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
44AQI (US)
44AQI (US)
26th April 2026
48AQI (US)
48AQI (US)
27th April 2026
47AQI (US)
47AQI (US)
28th April 2026
41AQI (US)
41AQI (US)
29th April 2026
38AQI (US)
38AQI (US)
30th April 2026
40AQI (US)
40AQI (US)
1st May 2026
46AQI (US)
46AQI (US)
2nd May 2026
49AQI (US)
49AQI (US)
3rd May 2026
40AQI (US)
40AQI (US)
4th May 2026
27AQI (US)
27AQI (US)
5th May 2026
17AQI (US)
17AQI (US)
6th May 2026
35AQI (US)
35AQI (US)
7th May 2026
36AQI (US)
36AQI (US)
8th May 2026
27AQI (US)
27AQI (US)
9th May 2026
27AQI (US)
27AQI (US)
10th May 2026
36AQI (US)
36AQI (US)
11th May 2026
36AQI (US)
36AQI (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
84AQI (US)
84AQI (US)
17th May 2026
68AQI (US)
68AQI (US)
18th May 2026
52AQI (US)
52AQI (US)
19th May 2026
48AQI (US)
48AQI (US)
20th May 2026
61AQI (US)
61AQI (US)
21st May 2026
59AQI (US)
59AQI (US)
22nd May 2026
60AQI (US)
60AQI (US)
23rd May 2026
53AQI (US)
53AQI (US)
24th May 2026
58AQI (US)
58AQI (US)
25th May 2026
46AQI (US)
46AQI (US)
26th May 2026
39AQI (US)
39AQI (US)
27th May 2026
24AQI (US)
24AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
24AQI (US)
24AQI (US)
30th May 2026
24AQI (US)
24AQI (US)
31st May 2026
26AQI (US)
26AQI (US)
1st June 2026
28AQI (US)
28AQI (US)
2nd June 2026
34AQI (US)
34AQI (US)
3rd June 2026
26AQI (US)
26AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
21AQI (US)
21AQI (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
22AQI (US)
22AQI (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
24AQI (US)
24AQI (US)
15th June 2026
20AQI (US)
20AQI (US)
16th June 2026
18AQI (US)
18AQI (US)
17th June 2026
24AQI (US)
24AQI (US)
18th June 2026
24AQI (US)
24AQI (US)
19th June 2026
28AQI (US)
28AQI (US)
20th June 2026
22AQI (US)
22AQI (US)
21st June 2026
19AQI (US)
19AQI (US)
22nd June 2026
18AQI (US)
18AQI (US)
23rd June 2026
21AQI (US)
21AQI (US)
24th June 2026
21AQI (US)
21AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
28AQI (US)
28AQI (US)
27th June 2026
25AQI (US)
25AQI (US)
28th June 2026
27AQI (US)
27AQI (US)
29th June 2026
28AQI (US)
28AQI (US)
30th June 2026
24AQI (US)
24AQI (US)
1st July 2026
24AQI (US)
24AQI (US)
2nd July 2026
23AQI (US)
23AQI (US)
3rd July 2026
17AQI (US)
17AQI (US)
4th July 2026
32AQI (US)
32AQI (US)
5th July 2026
26AQI (US)
26AQI (US)
6th July 2026
22AQI (US)
22AQI (US)
7th July 2026
24AQI (US)
24AQI (US)
8th July 2026
23AQI (US)
23AQI (US)
9th July 2026
22AQI (US)
22AQI (US)
10th July 2026
26AQI (US)
26AQI (US)
11th July 2026
26AQI (US)
26AQI (US)
12th July 2026
25AQI (US)
25AQI (US)
13th July 2026
28AQI (US)
28AQI (US)
14th July 2026
29AQI (US)
29AQI (US)
15th July 2026
45AQI (US)
45AQI (US)
16th July 2026
43AQI (US)
43AQI (US)
17th July 2026
38AQI (US)
38AQI (US)
18th July 2026
17AQI (US)
17AQI (US)
19th July 2026
23AQI (US)
23AQI (US)
20th July 2026
30AQI (US)
30AQI (US)
21st July 2026
43AQI (US)
43AQI (US)
22nd July 2026
55AQI (US)
55AQI (US)
23rd July 2026
40AQI (US)
40AQI (US)
24th July 2026
32AQI (US)
32AQI (US)
25th July 2026
27AQI (US)
27AQI (US)
26th July 2026
26AQI (US)
26AQI (US)
27th July 2026
22AQI (US)
22AQI (US)
28th July 2026
27AQI (US)
27AQI (US)
29th July 2026
34AQI (US)
34AQI (US)
30th July 2026
29AQI (US)
29AQI (US)
31st July 2026
41AQI (US)
41AQI (US)
1st August 2026
38AQI (US)
38AQI (US)
2nd August 2026
44AQI (US)
44AQI (US)
3rd August 2026
12AQI (US)
12AQI (US)
4th August 2026
21AQI (US)
21AQI (US)
5th August 2026
23AQI (US)
23AQI (US)
6th August 2026
25AQI (US)
25AQI (US)
7th August 2026
26AQI (US)
26AQI (US)
8th August 2026
23AQI (US)
23AQI (US)
9th August 2026
28AQI (US)
28AQI (US)
10th August 2026
27AQI (US)
27AQI (US)
11th August 2026
32AQI (US)
32AQI (US)
12th August 2026
25AQI (US)
25AQI (US)
13th August 2026
21AQI (US)
21AQI (US)
14th August 2026
16AQI (US)
16AQI (US)
15th August 2026
24AQI (US)
24AQI (US)
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
33AQI (US)
37AQI (US)
51AQI (US)
36AQI (US)
42AQI (US)
24AQI (US)
30AQI (US)
26AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
28
3
26
2
14
17
30
23
8
30
30
1
15
196
31
Highest AQI (US) recorded in
March51AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202542AQI (US)
31
27
1
22
9
25
5
28
3
27
3
17
14
24
7
29
1
15
16
15
15
20
11
280
85
Highest AQI (US) recorded in
November50AQI (US)
Lowest AQI (US) recorded in
February33AQI (US)
202429AQI (US)
30
29
31
29
1
31
29
1
31
31
30
31
30
31
363
2
Highest AQI (US) recorded in
April36AQI (US)
Lowest AQI (US) recorded in
August21AQI (US)
202326AQI (US)
13
30
1
30
31
31
30
31
29
31
256
1
Highest AQI (US) recorded in
April36AQI (US)
Lowest AQI (US) recorded in
December21AQI (US)
202226AQI (US)
30
21
31
30
31
30
21
1
1
29
31
12
267
1
Highest AQI (US) recorded in
August36AQI (US)
Lowest AQI (US) recorded in
January18AQI (US)
202118AQI (US)
31
28
29
21
31
30
31
31
30
31
30
31
354
Highest AQI (US) recorded in
June31AQI (US)
Lowest AQI (US) recorded in
February7AQI (US)
202011AQI (US)
13
21
18
30
31
31
19
31
30
31
255
Highest AQI (US) recorded in
August18AQI (US)
Lowest AQI (US) recorded in
December5AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
42AQI (US)Least Polluted Year Recorded
2020(Avg.)
11AQI (US)Hosoya's annual 2026 AQI (US) (35) shows an average percentage change of 64.3% (worsened AQI (US)) compared to previous years: 2020 (11), 2021 (18), 2022 (26), 2023 (26), 2024 (29), 2025 (42).
