Shiroishi, Miyagi, 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
Shiroishi, Miyagi, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2023
55AQILowest AQI recorded on
12th Aug 2024
13AQISame Day Analysis (10th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 26 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 10th Aug - 11th Aug 2026
Shiroishi, Miyagi, Japan
AQI
Day
Night
.
4 AM10th Aug 2026
6 PM
3 AM11th Aug 2026
Day time
Avg. Highest Time
4PM10th Aug
42AQI
Avg. Lowest Time
11AM10th Aug
21AQI
Night time
Avg. Highest Time
3AM11th Aug
31AQI
Avg. Lowest Time
8PM10th Aug
23AQI
In the last 24 hours,
Shiroishi's AQI reached its highest point of 42 at 4 PM during the Day, while the lowest point, 21, was recorded at 11 AM during the Day between 10th Aug and 11th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Shiroishi, Miyagi, 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 2026104 AMAQI
13th Jul 202665 AMAQI
13th Jul 202686 AMAQI
13th Jul 2026127 AMAQI
13th Jul 2026128 AMAQI
13th Jul 2026149 AMAQI
13th Jul 20261710 AMAQI
13th Jul 20261911 AMAQI
13th Jul 20261412 PMAQI
13th Jul 2026141 PMAQI
13th Jul 2026122 PMAQI
13th Jul 2026143 PMAQI
13th Jul 2026124 PMAQI
13th Jul 202685 PMAQI
13th Jul 2026106 PMAQI
13th Jul 2026127 PMAQI
13th Jul 2026128 PMAQI
13th Jul 2026209 PMAQI
13th Jul 20263010 PMAQI
13th Jul 20263011 PMAQI
14th Jul 20262912 AMAQI
14th Jul 2026301 AMAQI
14th Jul 2026282 AMAQI
14th Jul 2026283 AMAQI
24°C21/29°C
14th Jul 2026254 AMAQI
14th Jul 2026285 AMAQI
14th Jul 2026296 AMAQI
14th Jul 2026287 AMAQI
14th Jul 2026188 AMAQI
14th Jul 2026179 AMAQI
14th Jul 20262510 AMAQI
14th Jul 20263811 AMAQI
14th Jul 20265012 PMAQI
14th Jul 2026541 PMAQI
14th Jul 2026562 PMAQI
14th Jul 2026303 PMAQI
14th Jul 2026444 PMAQI
14th Jul 2026485 PMAQI
14th Jul 2026386 PMAQI
14th Jul 2026337 PMAQI
14th Jul 2026348 PMAQI
14th Jul 2026219 PMAQI
14th Jul 20263110 PMAQI
14th Jul 20262611 PMAQI
15th Jul 20262412 AMAQI
15th Jul 2026291 AMAQI
15th Jul 2026272 AMAQI
15th Jul 2026213 AMAQI
25°C21/30°C
15th Jul 2026294 AMAQI
15th Jul 2026315 AMAQI
15th Jul 2026296 AMAQI
15th Jul 2026197 AMAQI
15th Jul 2026278 AMAQI
15th Jul 2026279 AMAQI
15th Jul 20262310 AMAQI
15th Jul 20264011 AMAQI
15th Jul 20262712 PMAQI
15th Jul 2026121 PMAQI
15th Jul 2026172 PMAQI
15th Jul 2026383 PMAQI
15th Jul 2026504 PMAQI
15th Jul 2026295 PMAQI
15th Jul 2026486 PMAQI
15th Jul 2026547 PMAQI
15th Jul 2026508 PMAQI
15th Jul 2026409 PMAQI
15th Jul 20264810 PMAQI
15th Jul 20263311 PMAQI
16th Jul 20265912 AMAQI
16th Jul 2026631 AMAQI
16th Jul 2026332 AMAQI
16th Jul 2026363 AMAQI
26°C22/32°C
16th Jul 2026334 AMAQI
16th Jul 2026295 AMAQI
16th Jul 2026336 AMAQI
16th Jul 2026427 AMAQI
16th Jul 2026388 AMAQI
16th Jul 2026519 AMAQI
16th Jul 20267210 AMAQI
16th Jul 20266611 AMAQI
16th Jul 20264612 PMAQI
16th Jul 2026601 PMAQI
16th Jul 2026562 PMAQI
16th Jul 2026443 PMAQI
16th Jul 2026534 PMAQI
16th Jul 2026555 PMAQI
16th Jul 2026536 PMAQI
16th Jul 2026577 PMAQI
16th Jul 2026488 PMAQI
16th Jul 2026589 PMAQI
16th Jul 20265910 PMAQI
16th Jul 20265011 PMAQI
17th Jul 20264812 AMAQI
17th Jul 2026531 AMAQI
17th Jul 2026522 AMAQI
17th Jul 2026543 AMAQI
27°C23/34°C
17th Jul 2026524 AMAQI
17th Jul 2026485 AMAQI
17th Jul 2026406 AMAQI
17th Jul 2026507 AMAQI
17th Jul 2026298 AMAQI
17th Jul 2026409 AMAQI
17th Jul 20264010 AMAQI
17th Jul 20265511 AMAQI
17th Jul 20266012 PMAQI
17th Jul 2026781 PMAQI
17th Jul 2026602 PMAQI
17th Jul 2026343 PMAQI
17th Jul 2026364 PMAQI
17th Jul 2026315 PMAQI
17th Jul 2026366 PMAQI
17th Jul 2026337 PMAQI
17th Jul 2026298 PMAQI
17th Jul 2026299 PMAQI
17th Jul 20262910 PMAQI
17th Jul 20262511 PMAQI
18th Jul 20262512 AMAQI
18th Jul 2026251 AMAQI
18th Jul 2026252 AMAQI
18th Jul 2026253 AMAQI
23°C22/25°C
18th Jul 2026234 AMAQI
18th Jul 2026215 AMAQI
18th Jul 2026256 AMAQI
18th Jul 2026217 AMAQI
18th Jul 2026218 AMAQI
18th Jul 2026219 AMAQI
18th Jul 20262110 AMAQI
18th Jul 20262111 AMAQI
18th Jul 20262112 PMAQI
18th Jul 2026211 PMAQI
18th Jul 2026212 PMAQI
18th Jul 2026383 PMAQI
18th Jul 2026294 PMAQI
18th Jul 2026335 PMAQI
18th Jul 2026366 PMAQI
18th Jul 2026327 PMAQI
18th Jul 2026298 PMAQI
18th Jul 2026279 PMAQI
18th Jul 20262510 PMAQI
18th Jul 20262511 PMAQI
19th Jul 20262912 AMAQI
19th Jul 2026331 AMAQI
19th Jul 2026292 AMAQI
19th Jul 2026213 AMAQI
24°C22/27°C
19th Jul 2026254 AMAQI
19th Jul 2026235 AMAQI
19th Jul 2026236 AMAQI
19th Jul 2026257 AMAQI
19th Jul 2026258 AMAQI
19th Jul 2026279 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20262111 AMAQI
19th Jul 20262112 PMAQI
19th Jul 2026321 PMAQI
19th Jul 2026382 PMAQI
19th Jul 2026443 PMAQI
19th Jul 2026384 PMAQI
19th Jul 2026495 PMAQI
19th Jul 2026386 PMAQI
19th Jul 2026317 PMAQI
19th Jul 2026368 PMAQI
19th Jul 2026369 PMAQI
19th Jul 20262910 PMAQI
19th Jul 20263311 PMAQI
20th Jul 20263112 AMAQI
20th Jul 2026311 AMAQI
20th Jul 2026312 AMAQI
20th Jul 2026293 AMAQI
25°C22/31°C
20th Jul 2026364 AMAQI
20th Jul 2026445 AMAQI
20th Jul 2026446 AMAQI
20th Jul 2026467 AMAQI
20th Jul 2026408 AMAQI
20th Jul 2026449 AMAQI
20th Jul 20264210 AMAQI
20th Jul 20265111 AMAQI
20th Jul 20266212 PMAQI
20th Jul 2026641 PMAQI
20th Jul 2026642 PMAQI
20th Jul 2026713 PMAQI
20th Jul 2026814 PMAQI
20th Jul 2026765 PMAQI
20th Jul 2026706 PMAQI
20th Jul 2026637 PMAQI
20th Jul 2026648 PMAQI
20th Jul 2026749 PMAQI
20th Jul 20267010 PMAQI
20th Jul 20266811 PMAQI
21st Jul 20267212 AMAQI
21st Jul 2026701 AMAQI
21st Jul 2026652 AMAQI
21st Jul 2026763 AMAQI
27°C23/35°C
21st Jul 2026804 AMAQI
21st Jul 2026695 AMAQI
21st Jul 2026716 AMAQI
21st Jul 2026727 AMAQI
21st Jul 2026738 AMAQI
21st Jul 2026769 AMAQI
21st Jul 20268110 AMAQI
21st Jul 20267611 AMAQI
21st Jul 2026671 PMAQI
21st Jul 2026582 PMAQI
21st Jul 2026473 PMAQI
21st Jul 2026484 PMAQI
21st Jul 2026555 PMAQI
21st Jul 2026366 PMAQI
21st Jul 2026847 PMAQI
21st Jul 2026318 PMAQI
21st Jul 2026319 PMAQI
21st Jul 20262910 PMAQI
21st Jul 20263111 PMAQI
22nd Jul 20263112 AMAQI
22nd Jul 2026341 AMAQI
22nd Jul 2026402 AMAQI
22nd Jul 2026423 AMAQI
27°C23/34°C
22nd Jul 2026424 AMAQI
22nd Jul 2026495 AMAQI
22nd Jul 2026516 AMAQI
22nd Jul 2026457 AMAQI
22nd Jul 2026388 AMAQI
22nd Jul 2026429 AMAQI
22nd Jul 20264710 AMAQI
22nd Jul 20265311 AMAQI
22nd Jul 20266012 PMAQI
22nd Jul 2026721 PMAQI
22nd Jul 2026942 PMAQI
22nd Jul 20261003 PMAQI
22nd Jul 20261064 PMAQI
22nd Jul 2026925 PMAQI
22nd Jul 2026906 PMAQI
22nd Jul 2026907 PMAQI
22nd Jul 2026768 PMAQI
22nd Jul 2026769 PMAQI
22nd Jul 20267310 PMAQI
22nd Jul 20266611 PMAQI
23rd Jul 20265012 AMAQI
23rd Jul 2026421 AMAQI
23rd Jul 2026402 AMAQI
23rd Jul 2026323 AMAQI
28°C23/34°C
23rd Jul 2026274 AMAQI
23rd Jul 2026275 AMAQI
23rd Jul 2026316 AMAQI
23rd Jul 2026277 AMAQI
23rd Jul 2026298 AMAQI
23rd Jul 2026279 AMAQI
23rd Jul 20262510 AMAQI
23rd Jul 20262511 AMAQI
23rd Jul 20262512 PMAQI
23rd Jul 2026271 PMAQI
23rd Jul 2026292 PMAQI
23rd Jul 2026273 PMAQI
23rd Jul 2026274 PMAQI
23rd Jul 2026385 PMAQI
23rd Jul 2026506 PMAQI
23rd Jul 2026497 PMAQI
23rd Jul 2026448 PMAQI
23rd Jul 2026299 PMAQI
23rd Jul 20262910 PMAQI
23rd Jul 20262711 PMAQI
24th Jul 20262312 AMAQI
24th Jul 2026211 AMAQI
24th Jul 2026272 AMAQI
24th Jul 2026293 AMAQI
26°C22/32°C
24th Jul 2026294 AMAQI
24th Jul 2026295 AMAQI
24th Jul 2026296 AMAQI
24th Jul 2026277 AMAQI
24th Jul 2026278 AMAQI
24th Jul 2026199 AMAQI
24th Jul 20261910 AMAQI
24th Jul 20261811 AMAQI
24th Jul 20262312 PMAQI
24th Jul 2026231 PMAQI
24th Jul 2026172 PMAQI
24th Jul 2026193 PMAQI
24th Jul 2026174 PMAQI
24th Jul 2026165 PMAQI
24th Jul 2026196 PMAQI
24th Jul 2026237 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026259 PMAQI
24th Jul 20262710 PMAQI
24th Jul 20262711 PMAQI
25th Jul 20262512 AMAQI
25th Jul 2026231 AMAQI
25th Jul 2026252 AMAQI
25th Jul 2026253 AMAQI
22°C21/24°C
25th Jul 2026254 AMAQI
25th Jul 2026255 AMAQI
25th Jul 2026236 AMAQI
25th Jul 2026197 AMAQI
25th Jul 2026178 AMAQI
25th Jul 2026219 AMAQI
25th Jul 20261910 AMAQI
25th Jul 20262111 AMAQI
25th Jul 20261712 PMAQI
25th Jul 2026141 PMAQI
25th Jul 2026142 PMAQI
25th Jul 2026213 PMAQI
25th Jul 2026214 PMAQI
25th Jul 2026215 PMAQI
25th Jul 2026216 PMAQI
25th Jul 2026197 PMAQI
25th Jul 2026198 PMAQI
25th Jul 2026179 PMAQI
25th Jul 20261410 PMAQI
25th Jul 20261411 PMAQI
26th Jul 20261212 AMAQI
26th Jul 2026121 AMAQI
26th Jul 2026122 AMAQI
26th Jul 2026143 AMAQI
21°C21/22°C
26th Jul 2026124 AMAQI
26th Jul 2026125 AMAQI
26th Jul 2026146 AMAQI
26th Jul 2026177 AMAQI
26th Jul 2026128 AMAQI
26th Jul 2026179 AMAQI
26th Jul 20261210 AMAQI
26th Jul 20261211 AMAQI
26th Jul 20261212 PMAQI
26th Jul 2026121 PMAQI
26th Jul 2026122 PMAQI
26th Jul 2026123 PMAQI
26th Jul 2026124 PMAQI
26th Jul 2026125 PMAQI
26th Jul 2026126 PMAQI
26th Jul 2026107 PMAQI
26th Jul 2026108 PMAQI
26th Jul 2026209 PMAQI
26th Jul 20263310 PMAQI
26th Jul 20261011 PMAQI
27th Jul 2026812 AMAQI
27th Jul 2026101 AMAQI
27th Jul 2026102 AMAQI
27th Jul 2026103 AMAQI
20°C19/21°C
27th Jul 202684 AMAQI
27th Jul 2026125 AMAQI
27th Jul 2026126 AMAQI
27th Jul 2026107 AMAQI
27th Jul 2026128 AMAQI
27th Jul 2026129 AMAQI
27th Jul 20261010 AMAQI
27th Jul 20261411 AMAQI
27th Jul 20261412 PMAQI
27th Jul 2026171 PMAQI
27th Jul 2026172 PMAQI
27th Jul 2026233 PMAQI
27th Jul 2026254 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026237 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026239 PMAQI
27th Jul 20262510 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026271 AMAQI
28th Jul 2026272 AMAQI
28th Jul 2026273 AMAQI
21°C19/24°C
28th Jul 2026254 AMAQI
28th Jul 2026255 AMAQI
28th Jul 2026296 AMAQI
28th Jul 2026297 AMAQI
28th Jul 2026298 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20262710 AMAQI
28th Jul 20262911 AMAQI
28th Jul 20262912 PMAQI
28th Jul 2026271 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026293 PMAQI
28th Jul 2026294 PMAQI
28th Jul 2026295 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026297 PMAQI
28th Jul 2026298 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20262911 PMAQI
29th Jul 20262512 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026232 AMAQI
29th Jul 2026253 AMAQI
21°C19/24°C
29th Jul 2026254 AMAQI
29th Jul 2026255 AMAQI
29th Jul 2026236 AMAQI
29th Jul 2026237 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026219 AMAQI
29th Jul 20262110 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262112 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026292 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026274 PMAQI
29th Jul 2026235 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262711 PMAQI
30th Jul 20262912 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026253 AMAQI
23°C20/27°C
30th Jul 2026254 AMAQI
30th Jul 2026275 AMAQI
30th Jul 2026296 AMAQI
30th Jul 2026277 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026313 PMAQI
30th Jul 2026334 PMAQI
30th Jul 2026365 PMAQI
30th Jul 2026506 PMAQI
30th Jul 2026327 PMAQI
30th Jul 2026218 PMAQI
30th Jul 2026219 PMAQI
30th Jul 20262110 PMAQI
30th Jul 20262111 PMAQI
31st Jul 20262112 AMAQI
31st Jul 2026211 AMAQI
31st Jul 2026232 AMAQI
31st Jul 2026273 AMAQI
25°C20/30°C
31st Jul 2026214 AMAQI
31st Jul 2026255 AMAQI
31st Jul 2026236 AMAQI
31st Jul 2026237 AMAQI
31st Jul 2026238 AMAQI
31st Jul 2026239 AMAQI
31st Jul 20262310 AMAQI
31st Jul 20262311 AMAQI
31st Jul 20263612 PMAQI
31st Jul 2026341 PMAQI
31st Jul 2026212 PMAQI
31st Jul 2026273 PMAQI
31st Jul 2026254 PMAQI
31st Jul 2026215 PMAQI
31st Jul 2026216 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026238 PMAQI
31st Jul 2026219 PMAQI
31st Jul 20262110 PMAQI
31st Jul 20262511 PMAQI
1st Aug 20262112 AMAQI
1st Aug 2026231 AMAQI
1st Aug 2026252 AMAQI
1st Aug 2026253 AMAQI
23°C21/28°C
1st Aug 2026234 AMAQI
1st Aug 2026215 AMAQI
1st Aug 2026216 AMAQI
1st Aug 2026217 AMAQI
1st Aug 2026238 AMAQI
1st Aug 2026369 AMAQI
1st Aug 20263410 AMAQI
1st Aug 20262511 AMAQI
1st Aug 20262512 PMAQI
1st Aug 2026271 PMAQI
1st Aug 2026292 PMAQI
1st Aug 2026313 PMAQI
1st Aug 2026254 PMAQI
1st Aug 2026275 PMAQI
1st Aug 2026276 PMAQI
1st Aug 2026297 PMAQI
1st Aug 2026408 PMAQI
1st Aug 2026469 PMAQI
1st Aug 20262510 PMAQI
1st Aug 20262311 PMAQI
2nd Aug 20262312 AMAQI
2nd Aug 2026331 AMAQI
2nd Aug 2026292 AMAQI
2nd Aug 2026303 AMAQI
23°C21/29°C
2nd Aug 2026274 AMAQI
2nd Aug 2026255 AMAQI
2nd Aug 2026336 AMAQI
2nd Aug 2026277 AMAQI
2nd Aug 2026218 AMAQI
2nd Aug 2026239 AMAQI
2nd Aug 20262310 AMAQI
2nd Aug 20261911 AMAQI
2nd Aug 20261712 PMAQI
2nd Aug 2026191 PMAQI
2nd Aug 2026172 PMAQI
2nd Aug 2026173 PMAQI
2nd Aug 2026194 PMAQI
2nd Aug 2026175 PMAQI
2nd Aug 2026256 PMAQI
2nd Aug 2026217 PMAQI
2nd Aug 2026238 PMAQI
2nd Aug 2026299 PMAQI
2nd Aug 20262510 PMAQI
2nd Aug 20261411 PMAQI
3rd Aug 20261412 AMAQI
3rd Aug 2026141 AMAQI
3rd Aug 2026172 AMAQI
3rd Aug 2026173 AMAQI
21°C19/21°C
3rd Aug 2026174 AMAQI
3rd Aug 2026145 AMAQI
3rd Aug 2026146 AMAQI
3rd Aug 2026127 AMAQI
3rd Aug 2026178 AMAQI
3rd Aug 2026179 AMAQI
3rd Aug 20261710 AMAQI
3rd Aug 20261411 AMAQI
3rd Aug 20261212 PMAQI
3rd Aug 2026121 PMAQI
3rd Aug 2026172 PMAQI
3rd Aug 2026193 PMAQI
3rd Aug 2026214 PMAQI
3rd Aug 2026235 PMAQI
3rd Aug 2026386 PMAQI
3rd Aug 2026337 PMAQI
3rd Aug 2026368 PMAQI
3rd Aug 2026259 PMAQI
3rd Aug 20262310 PMAQI
3rd Aug 20262311 PMAQI
4th Aug 20262312 AMAQI
4th Aug 2026251 AMAQI
4th Aug 2026252 AMAQI
4th Aug 2026233 AMAQI
20°C19/21°C
4th Aug 2026214 AMAQI
4th Aug 2026255 AMAQI
4th Aug 2026216 AMAQI
4th Aug 2026237 AMAQI
4th Aug 2026218 AMAQI
4th Aug 2026259 AMAQI
4th Aug 20262310 AMAQI
4th Aug 20263611 AMAQI
4th Aug 20265212 PMAQI
4th Aug 2026361 PMAQI
4th Aug 2026252 PMAQI
4th Aug 2026233 PMAQI
4th Aug 2026254 PMAQI
4th Aug 2026275 PMAQI
4th Aug 2026256 PMAQI
4th Aug 2026237 PMAQI
4th Aug 2026258 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20262110 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026232 AMAQI
5th Aug 2026233 AMAQI
20°C17/24°C
5th Aug 2026254 AMAQI
5th Aug 2026275 AMAQI
5th Aug 2026256 AMAQI
5th Aug 2026277 AMAQI
5th Aug 2026278 AMAQI
5th Aug 2026279 AMAQI
5th Aug 20262510 AMAQI
5th Aug 20262911 AMAQI
5th Aug 20262912 PMAQI
5th Aug 2026291 PMAQI
5th Aug 2026312 PMAQI
5th Aug 2026293 PMAQI
5th Aug 2026314 PMAQI
5th Aug 2026315 PMAQI
5th Aug 2026316 PMAQI
5th Aug 2026337 PMAQI
5th Aug 2026298 PMAQI
5th Aug 2026299 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20262911 PMAQI
6th Aug 20263812 AMAQI
6th Aug 2026401 AMAQI
6th Aug 2026422 AMAQI
6th Aug 2026253 AMAQI
21°C16/26°C
6th Aug 2026254 AMAQI
6th Aug 2026255 AMAQI
6th Aug 2026236 AMAQI
6th Aug 2026297 AMAQI
6th Aug 2026298 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262310 AMAQI
6th Aug 20262711 AMAQI
6th Aug 20264012 PMAQI
6th Aug 2026361 PMAQI
6th Aug 2026382 PMAQI
6th Aug 2026463 PMAQI
6th Aug 2026464 PMAQI
6th Aug 2026405 PMAQI
6th Aug 2026486 PMAQI
6th Aug 2026527 PMAQI
6th Aug 2026488 PMAQI
6th Aug 2026409 PMAQI
6th Aug 20264610 PMAQI
6th Aug 20265011 PMAQI
7th Aug 20263812 AMAQI
7th Aug 2026271 AMAQI
7th Aug 2026252 AMAQI
7th Aug 2026363 AMAQI
24°C19/29°C
7th Aug 2026384 AMAQI
7th Aug 2026425 AMAQI
7th Aug 2026406 AMAQI
7th Aug 2026407 AMAQI
7th Aug 2026388 AMAQI
7th Aug 2026409 AMAQI
7th Aug 20264010 AMAQI
7th Aug 20263411 AMAQI
7th Aug 20263812 PMAQI
7th Aug 2026421 PMAQI
7th Aug 2026522 PMAQI
7th Aug 2026603 PMAQI
7th Aug 2026524 PMAQI
7th Aug 2026585 PMAQI
7th Aug 2026526 PMAQI
7th Aug 2026427 PMAQI
7th Aug 2026388 PMAQI
7th Aug 2026389 PMAQI
7th Aug 20263410 PMAQI
7th Aug 20263311 PMAQI
8th Aug 20263112 AMAQI
8th Aug 2026311 AMAQI
8th Aug 2026362 AMAQI
8th Aug 2026333 AMAQI
27°C22/32°C
8th Aug 2026314 AMAQI
8th Aug 2026275 AMAQI
8th Aug 2026316 AMAQI
8th Aug 2026337 AMAQI
8th Aug 2026338 AMAQI
8th Aug 2026409 AMAQI
8th Aug 20263610 AMAQI
8th Aug 20264011 AMAQI
8th Aug 20263812 PMAQI
8th Aug 2026401 PMAQI
8th Aug 2026452 PMAQI
8th Aug 2026553 PMAQI
8th Aug 2026624 PMAQI
8th Aug 2026585 PMAQI
8th Aug 2026526 PMAQI
8th Aug 2026517 PMAQI
8th Aug 2026458 PMAQI
8th Aug 2026389 PMAQI
8th Aug 20263610 PMAQI
8th Aug 20263111 PMAQI
9th Aug 20263312 AMAQI
9th Aug 2026331 AMAQI
9th Aug 2026272 AMAQI
9th Aug 2026213 AMAQI
25°C22/31°C
9th Aug 2026214 AMAQI
9th Aug 2026255 AMAQI
9th Aug 2026216 AMAQI
9th Aug 2026277 AMAQI
9th Aug 2026278 AMAQI
9th Aug 2026239 AMAQI
9th Aug 20262110 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20263412 PMAQI
9th Aug 2026471 PMAQI
9th Aug 2026462 PMAQI
9th Aug 2026423 PMAQI
9th Aug 2026464 PMAQI
9th Aug 2026405 PMAQI
9th Aug 2026366 PMAQI
9th Aug 2026337 PMAQI
9th Aug 2026388 PMAQI
9th Aug 2026279 PMAQI
9th Aug 20262110 PMAQI
9th Aug 20262511 PMAQI
10th Aug 20262312 AMAQI
10th Aug 2026231 AMAQI
10th Aug 2026212 AMAQI
10th Aug 2026233 AMAQI
24°C22/26°C
10th Aug 2026274 AMAQI
10th Aug 2026215 AMAQI
10th Aug 2026216 AMAQI
10th Aug 2026257 AMAQI
10th Aug 2026218 AMAQI
10th Aug 2026219 AMAQI
10th Aug 20262110 AMAQI
10th Aug 20262111 AMAQI
10th Aug 20262312 PMAQI
10th Aug 2026311 PMAQI
10th Aug 2026362 PMAQI
10th Aug 2026383 PMAQI
10th Aug 2026424 PMAQI
10th Aug 2026365 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026257 PMAQI
10th Aug 2026238 PMAQI
10th Aug 2026279 PMAQI
10th Aug 20262710 PMAQI
10th Aug 20262711 PMAQI
11th Aug 20262712 AMAQI
11th Aug 2026291 AMAQI
11th Aug 2026272 AMAQI
11th Aug 2026313 AMAQI
21°C20/22°C
11th Aug 2026294 AMAQI
4 AM11th Aug 2026335 AMAQI
11th Aug 2026316 AMAQI
11th Aug 2026277 AMAQI
11th Aug 2026298 AMAQI
11th Aug 2026339 AMAQI
11th Aug 20263110 AMAQI
11th Aug 20263111 AMAQI
11 AM11th Aug 20262912 PMAQI
11th Aug 2026271 PMAQI
11th Aug 2026232 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026234 PMAQI
11th Aug 2026215 PMAQI
11th Aug 2026236 PMAQI
6 PM11th Aug 2026257 PMAQI
11th Aug 2026238 PMAQI
11th Aug 2026219 PMAQI
11th Aug 20262110 PMAQI
11th Aug 20262111 PMAQI
11 PM3 AM
20°C18/22°C
Day time
Avg. Highest Time
4 PM - 6 PM
36AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM
27AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 6 PM (Avg. 36), while the lowest AQI was between 8 AM to 8 AM (Avg. 27).
Night time
Avg. Highest Time
7 PM
36AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
2 AM - 3 AM
28AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 36), while the lowest AQI was between 2 AM to 3 AM (Avg. 28).
2026 Days Vs Air Quality
Shiroishi, Miyagi, Japan
2026
86%
191
14%
31
Total number of days with different AQI categories in last 223 days in 2026 (142 days remaining)
Good
191 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 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
Shiroishi, Miyagi, 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
18AQI (US)
18AQI (US)
3rd January 2026
21AQI (US)
21AQI (US)
4th January 2026
22AQI (US)
22AQI (US)
5th January 2026
19AQI (US)
19AQI (US)
6th January 2026
23AQI (US)
23AQI (US)
7th January 2026
27AQI (US)
27AQI (US)
8th January 2026
22AQI (US)
22AQI (US)
9th January 2026
19AQI (US)
19AQI (US)
10th January 2026
22AQI (US)
22AQI (US)
11th January 2026
28AQI (US)
28AQI (US)
12th January 2026
17AQI (US)
17AQI (US)
13th January 2026
18AQI (US)
18AQI (US)
14th January 2026
12AQI (US)
12AQI (US)
15th January 2026
25AQI (US)
25AQI (US)
16th January 2026
26AQI (US)
26AQI (US)
17th January 2026
42AQI (US)
42AQI (US)
18th January 2026
25AQI (US)
25AQI (US)
19th January 2026
39AQI (US)
39AQI (US)
20th January 2026
25AQI (US)
25AQI (US)
21st January 2026
19AQI (US)
19AQI (US)
22nd January 2026
20AQI (US)
20AQI (US)
23rd January 2026
35AQI (US)
35AQI (US)
24th January 2026
36AQI (US)
36AQI (US)
25th January 2026
41AQI (US)
41AQI (US)
26th January 2026
34AQI (US)
34AQI (US)
27th January 2026
33AQI (US)
33AQI (US)
28th January 2026
30AQI (US)
30AQI (US)
29th January 2026
25AQI (US)
25AQI (US)
30th January 2026
34AQI (US)
34AQI (US)
31st January 2026
38AQI (US)
38AQI (US)
1st February 2026
32AQI (US)
32AQI (US)
2nd February 2026
34AQI (US)
34AQI (US)
3rd February 2026
33AQI (US)
33AQI (US)
4th February 2026
35AQI (US)
35AQI (US)
5th February 2026
40AQI (US)
40AQI (US)
6th February 2026
26AQI (US)
26AQI (US)
7th February 2026
13AQI (US)
13AQI (US)
8th February 2026
24AQI (US)
24AQI (US)
9th February 2026
37AQI (US)
37AQI (US)
10th February 2026
46AQI (US)
46AQI (US)
11th February 2026
56AQI (US)
56AQI (US)
12th February 2026
27AQI (US)
27AQI (US)
13th February 2026
33AQI (US)
33AQI (US)
14th February 2026
52AQI (US)
52AQI (US)
15th February 2026
52AQI (US)
52AQI (US)
16th February 2026
53AQI (US)
53AQI (US)
17th February 2026
27AQI (US)
27AQI (US)
18th February 2026
32AQI (US)
32AQI (US)
19th February 2026
30AQI (US)
30AQI (US)
20th February 2026
34AQI (US)
34AQI (US)
21st February 2026
49AQI (US)
49AQI (US)
22nd February 2026
43AQI (US)
43AQI (US)
23rd February 2026
37AQI (US)
37AQI (US)
24th February 2026
40AQI (US)
40AQI (US)
25th February 2026
17AQI (US)
17AQI (US)
26th February 2026
17AQI (US)
17AQI (US)
27th February 2026
40AQI (US)
40AQI (US)
28th February 2026
41AQI (US)
41AQI (US)
1st March 2026
39AQI (US)
39AQI (US)
2nd March 2026
71AQI (US)
71AQI (US)
3rd March 2026
47AQI (US)
47AQI (US)
4th March 2026
73AQI (US)
73AQI (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
51AQI (US)
51AQI (US)
9th March 2026
40AQI (US)
40AQI (US)
10th March 2026
26AQI (US)
26AQI (US)
11th March 2026
56AQI (US)
56AQI (US)
12th March 2026
68AQI (US)
68AQI (US)
13th March 2026
44AQI (US)
44AQI (US)
14th March 2026
49AQI (US)
49AQI (US)
15th March 2026
61AQI (US)
61AQI (US)
16th March 2026
55AQI (US)
55AQI (US)
17th March 2026
53AQI (US)
53AQI (US)
18th March 2026
64AQI (US)
64AQI (US)
19th March 2026
43AQI (US)
43AQI (US)
20th March 2026
30AQI (US)
30AQI (US)
21st March 2026
37AQI (US)
37AQI (US)
22nd March 2026
35AQI (US)
35AQI (US)
23rd March 2026
36AQI (US)
36AQI (US)
24th March 2026
61AQI (US)
61AQI (US)
25th March 2026
56AQI (US)
56AQI (US)
26th March 2026
32AQI (US)
32AQI (US)
27th March 2026
30AQI (US)
30AQI (US)
28th March 2026
51AQI (US)
51AQI (US)
29th March 2026
51AQI (US)
51AQI (US)
30th March 2026
58AQI (US)
58AQI (US)
31st March 2026
36AQI (US)
36AQI (US)
1st April 2026
32AQI (US)
32AQI (US)
2nd April 2026
26AQI (US)
26AQI (US)
3rd April 2026
50AQI (US)
50AQI (US)
4th April 2026
49AQI (US)
49AQI (US)
5th April 2026
20AQI (US)
20AQI (US)
6th April 2026
18AQI (US)
18AQI (US)
7th April 2026
30AQI (US)
30AQI (US)
8th April 2026
16AQI (US)
16AQI (US)
9th April 2026
25AQI (US)
25AQI (US)
10th April 2026
50AQI (US)
50AQI (US)
11th April 2026
27AQI (US)
27AQI (US)
12th April 2026
21AQI (US)
21AQI (US)
13th April 2026
33AQI (US)
33AQI (US)
14th April 2026
38AQI (US)
38AQI (US)
15th April 2026
39AQI (US)
39AQI (US)
16th April 2026
20AQI (US)
20AQI (US)
17th April 2026
21AQI (US)
21AQI (US)
18th April 2026
37AQI (US)
37AQI (US)
19th April 2026
40AQI (US)
40AQI (US)
20th April 2026
37AQI (US)
37AQI (US)
21st April 2026
35AQI (US)
35AQI (US)
22nd April 2026
25AQI (US)
25AQI (US)
23rd April 2026
27AQI (US)
27AQI (US)
24th April 2026
29AQI (US)
29AQI (US)
25th April 2026
24AQI (US)
24AQI (US)
26th April 2026
47AQI (US)
47AQI (US)
27th April 2026
30AQI (US)
30AQI (US)
28th April 2026
27AQI (US)
27AQI (US)
29th April 2026
23AQI (US)
23AQI (US)
30th April 2026
40AQI (US)
40AQI (US)
1st May 2026
42AQI (US)
42AQI (US)
2nd May 2026
23AQI (US)
23AQI (US)
3rd May 2026
32AQI (US)
32AQI (US)
4th May 2026
23AQI (US)
23AQI (US)
5th May 2026
21AQI (US)
21AQI (US)
6th May 2026
34AQI (US)
34AQI (US)
7th May 2026
38AQI (US)
38AQI (US)
8th May 2026
24AQI (US)
24AQI (US)
9th May 2026
15AQI (US)
15AQI (US)
10th May 2026
22AQI (US)
22AQI (US)
11th May 2026
33AQI (US)
33AQI (US)
12th May 2026
37AQI (US)
37AQI (US)
13th May 2026
45AQI (US)
45AQI (US)
14th May 2026
34AQI (US)
34AQI (US)
15th May 2026
29AQI (US)
29AQI (US)
16th May 2026
84AQI (US)
84AQI (US)
17th May 2026
69AQI (US)
69AQI (US)
18th May 2026
53AQI (US)
53AQI (US)
19th May 2026
49AQI (US)
49AQI (US)
20th May 2026
62AQI (US)
62AQI (US)
21st May 2026
59AQI (US)
59AQI (US)
22nd May 2026
62AQI (US)
62AQI (US)
23rd May 2026
55AQI (US)
55AQI (US)
24th May 2026
58AQI (US)
58AQI (US)
25th May 2026
49AQI (US)
49AQI (US)
26th May 2026
37AQI (US)
37AQI (US)
27th May 2026
24AQI (US)
24AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
20AQI (US)
20AQI (US)
30th May 2026
19AQI (US)
19AQI (US)
31st May 2026
27AQI (US)
27AQI (US)
1st June 2026
28AQI (US)
28AQI (US)
2nd June 2026
36AQI (US)
36AQI (US)
3rd June 2026
11AQI (US)
11AQI (US)
4th June 2026
15AQI (US)
15AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
22AQI (US)
22AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
21AQI (US)
21AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
25AQI (US)
25AQI (US)
13th June 2026
27AQI (US)
27AQI (US)
14th June 2026
24AQI (US)
24AQI (US)
15th June 2026
27AQI (US)
27AQI (US)
16th June 2026
22AQI (US)
22AQI (US)
17th June 2026
27AQI (US)
27AQI (US)
18th June 2026
26AQI (US)
26AQI (US)
19th June 2026
28AQI (US)
28AQI (US)
20th June 2026
21AQI (US)
21AQI (US)
21st June 2026
13AQI (US)
13AQI (US)
22nd June 2026
18AQI (US)
18AQI (US)
23rd June 2026
21AQI (US)
21AQI (US)
24th June 2026
22AQI (US)
22AQI (US)
25th June 2026
27AQI (US)
27AQI (US)
26th June 2026
30AQI (US)
30AQI (US)
27th June 2026
27AQI (US)
27AQI (US)
28th June 2026
30AQI (US)
30AQI (US)
29th June 2026
30AQI (US)
30AQI (US)
30th June 2026
39AQI (US)
39AQI (US)
1st July 2026
37AQI (US)
37AQI (US)
2nd July 2026
19AQI (US)
19AQI (US)
3rd July 2026
16AQI (US)
16AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
24AQI (US)
24AQI (US)
6th July 2026
30AQI (US)
30AQI (US)
7th July 2026
26AQI (US)
26AQI (US)
8th July 2026
24AQI (US)
24AQI (US)
9th July 2026
28AQI (US)
28AQI (US)
10th July 2026
38AQI (US)
38AQI (US)
11th July 2026
42AQI (US)
42AQI (US)
12th July 2026
36AQI (US)
36AQI (US)
13th July 2026
14AQI (US)
14AQI (US)
14th July 2026
33AQI (US)
33AQI (US)
15th July 2026
32AQI (US)
32AQI (US)
16th July 2026
50AQI (US)
50AQI (US)
17th July 2026
43AQI (US)
43AQI (US)
18th July 2026
25AQI (US)
25AQI (US)
19th July 2026
30AQI (US)
30AQI (US)
20th July 2026
54AQI (US)
54AQI (US)
21st July 2026
61AQI (US)
61AQI (US)
22nd July 2026
63AQI (US)
63AQI (US)
23rd July 2026
33AQI (US)
33AQI (US)
24th July 2026
23AQI (US)
23AQI (US)
25th July 2026
20AQI (US)
20AQI (US)
26th July 2026
14AQI (US)
14AQI (US)
27th July 2026
16AQI (US)
16AQI (US)
28th July 2026
28AQI (US)
28AQI (US)
29th July 2026
24AQI (US)
24AQI (US)
30th July 2026
27AQI (US)
27AQI (US)
31st July 2026
24AQI (US)
24AQI (US)
1st August 2026
27AQI (US)
27AQI (US)
2nd August 2026
23AQI (US)
23AQI (US)
3rd August 2026
19AQI (US)
19AQI (US)
4th August 2026
26AQI (US)
26AQI (US)
5th August 2026
28AQI (US)
28AQI (US)
6th August 2026
37AQI (US)
37AQI (US)
7th August 2026
41AQI (US)
41AQI (US)
8th August 2026
40AQI (US)
40AQI (US)
9th August 2026
31AQI (US)
31AQI (US)
10th August 2026
26AQI (US)
26AQI (US)
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
26AQI (US)
36AQI (US)
49AQI (US)
31AQI (US)
39AQI (US)
24AQI (US)
31AQI (US)
30AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202634AQI (US)
31
24
4
15
16
30
23
8
30
28
3
10
191
31
Highest AQI (US) recorded in
March49AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202538AQI (US)
31
27
1
25
6
25
5
28
3
26
4
23
8
31
30
19
12
26
4
29
2
320
45
Highest AQI (US) recorded in
July48AQI (US)
Lowest AQI (US) recorded in
January29AQI (US)
202433AQI (US)
30
29
27
4
15
14
1
27
4
24
6
24
7
30
1
30
31
27
3
31
325
39
1
Highest AQI (US) recorded in
April52AQI (US)
Lowest AQI (US) recorded in
December23AQI (US)
202334AQI (US)
30
26
2
18
11
18
12
24
7
26
4
24
7
29
2
30
31
28
1
30
1
314
47
Highest AQI (US) recorded in
April50AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202233AQI (US)
30
20
1
23
8
23
6
23
8
26
4
20
1
1
28
29
2
28
2
31
282
32
Highest AQI (US) recorded in
March41AQI (US)
Lowest AQI (US) recorded in
December22AQI (US)
202135AQI (US)
30
1
24
4
23
7
1
25
5
28
3
20
10
24
7
31
30
29
2
26
4
31
321
43
1
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202035AQI (US)
12
1
18
3
16
2
23
7
29
2
21
10
19
30
1
24
6
30
1
222
33
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
December24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
38AQI (US)Least Polluted Year Recorded
2022(Avg.)
33AQI (US)Shiroishi's annual 2026 AQI (US) (34) shows an average percentage change of -1.6% (improved AQI (US)) compared to previous years: 2020 (35), 2021 (35), 2022 (33), 2023 (34), 2024 (33), 2025 (38).
