Showacho, Ashino, Hokkaido, 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
Showacho, Ashino, Hokkaido, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2023
50AQILowest AQI recorded on
12th Aug 2024
6AQISame Day Analysis (13th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 24 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 12th Aug - 13th Aug 2026
Showacho, Ashino, Hokkaido, Japan
AQI
Day
Night
.
4 AM12th Aug 2026
6 PM
3 AM13th Aug 2026
Day time
Avg. Highest Time
4AM12th Aug
36AQI
Avg. Lowest Time
10AM12th Aug
29AQI
Night time
Avg. Highest Time
12AM13th Aug
42AQI
Avg. Lowest Time
2AM13th Aug
25AQI
In the last 24 hours,
Showacho's AQI reached its highest point of 42 at 12 AM during the Night, while the lowest point, 25, was recorded at 2 AM during the Night between 12th Aug and 13th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Showacho, Ashino, Hokkaido, Japan
JulAug
15th - 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 - 12th12th - 13th13th
Day
Night
15th Jul 2026264 AMAQI
15th Jul 2026285 AMAQI
15th Jul 2026246 AMAQI
15th Jul 2026317 AMAQI
15th Jul 2026288 AMAQI
15th Jul 2026269 AMAQI
15th Jul 20262810 AMAQI
15th Jul 20262211 AMAQI
15th Jul 20262112 PMAQI
15th Jul 2026201 PMAQI
15th Jul 2026182 PMAQI
15th Jul 2026173 PMAQI
15th Jul 2026184 PMAQI
15th Jul 2026215 PMAQI
15th Jul 2026226 PMAQI
15th Jul 2026217 PMAQI
15th Jul 2026208 PMAQI
15th Jul 2026239 PMAQI
15th Jul 20262510 PMAQI
15th Jul 20262411 PMAQI
16th Jul 20262412 AMAQI
16th Jul 2026241 AMAQI
16th Jul 2026242 AMAQI
16th Jul 2026263 AMAQI
17°C16/18°C
16th Jul 2026244 AMAQI
16th Jul 2026265 AMAQI
16th Jul 2026266 AMAQI
16th Jul 2026177 AMAQI
16th Jul 202698 AMAQI
16th Jul 2026209 AMAQI
16th Jul 20261810 AMAQI
16th Jul 20261711 AMAQI
16th Jul 20262412 PMAQI
16th Jul 2026211 PMAQI
16th Jul 2026222 PMAQI
16th Jul 2026203 PMAQI
16th Jul 2026204 PMAQI
16th Jul 2026225 PMAQI
16th Jul 2026276 PMAQI
16th Jul 2026267 PMAQI
16th Jul 2026248 PMAQI
16th Jul 2026269 PMAQI
16th Jul 20262510 PMAQI
16th Jul 20262611 PMAQI
17th Jul 20262612 AMAQI
17th Jul 2026261 AMAQI
17th Jul 2026282 AMAQI
17th Jul 2026263 AMAQI
17°C16/18°C
17th Jul 2026284 AMAQI
17th Jul 2026245 AMAQI
17th Jul 2026246 AMAQI
17th Jul 2026267 AMAQI
17th Jul 2026238 AMAQI
17th Jul 2026249 AMAQI
17th Jul 20262610 AMAQI
17th Jul 20262411 AMAQI
17th Jul 20262212 PMAQI
17th Jul 2026241 PMAQI
17th Jul 2026222 PMAQI
17th Jul 2026213 PMAQI
17th Jul 2026254 PMAQI
17th Jul 2026255 PMAQI
17th Jul 2026216 PMAQI
17th Jul 2026237 PMAQI
17th Jul 2026218 PMAQI
17th Jul 2026239 PMAQI
17th Jul 20262110 PMAQI
17th Jul 20262111 PMAQI
18th Jul 20262112 AMAQI
18th Jul 2026231 AMAQI
18th Jul 2026272 AMAQI
18th Jul 2026273 AMAQI
18°C16/19°C
18th Jul 2026294 AMAQI
18th Jul 2026275 AMAQI
18th Jul 2026316 AMAQI
18th Jul 2026257 AMAQI
18th Jul 2026298 AMAQI
18th Jul 2026259 AMAQI
18th Jul 20262510 AMAQI
18th Jul 20262311 AMAQI
18th Jul 20262512 PMAQI
18th Jul 2026251 PMAQI
18th Jul 2026232 PMAQI
18th Jul 2026253 PMAQI
18th Jul 2026234 PMAQI
18th Jul 2026255 PMAQI
18th Jul 2026236 PMAQI
18th Jul 2026217 PMAQI
18th Jul 2026218 PMAQI
18th Jul 2026219 PMAQI
18th Jul 20262310 PMAQI
18th Jul 20262911 PMAQI
19th Jul 20263112 AMAQI
19th Jul 2026231 AMAQI
19th Jul 2026232 AMAQI
19th Jul 2026193 AMAQI
18°C17/20°C
19th Jul 2026214 AMAQI
19th Jul 2026255 AMAQI
19th Jul 2026216 AMAQI
19th Jul 2026217 AMAQI
19th Jul 2026298 AMAQI
19th Jul 2026279 AMAQI
19th Jul 20262710 AMAQI
19th Jul 20262511 AMAQI
19th Jul 20262912 PMAQI
19th Jul 2026291 PMAQI
19th Jul 2026252 PMAQI
19th Jul 2026273 PMAQI
19th Jul 2026294 PMAQI
19th Jul 2026215 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026217 PMAQI
19th Jul 2026218 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262512 AMAQI
20th Jul 2026231 AMAQI
20th Jul 2026252 AMAQI
20th Jul 2026213 AMAQI
17°C17/17°C
20th Jul 2026234 AMAQI
20th Jul 2026195 AMAQI
20th Jul 2026386 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026219 AMAQI
20th Jul 20262110 AMAQI
20th Jul 20261411 AMAQI
20th Jul 20261912 PMAQI
20th Jul 2026171 PMAQI
20th Jul 2026142 PMAQI
20th Jul 2026193 PMAQI
20th Jul 2026194 PMAQI
20th Jul 2026195 PMAQI
20th Jul 2026216 PMAQI
20th Jul 2026217 PMAQI
20th Jul 2026218 PMAQI
20th Jul 2026219 PMAQI
20th Jul 20262110 PMAQI
20th Jul 20261911 PMAQI
21st Jul 20262512 AMAQI
21st Jul 2026211 AMAQI
21st Jul 2026212 AMAQI
21st Jul 2026213 AMAQI
18°C16/20°C
21st Jul 2026214 AMAQI
21st Jul 2026235 AMAQI
21st Jul 2026256 AMAQI
21st Jul 2026257 AMAQI
21st Jul 2026258 AMAQI
21st Jul 2026259 AMAQI
21st Jul 20262110 AMAQI
21st Jul 20262511 AMAQI
21st Jul 2026251 PMAQI
21st Jul 2026272 PMAQI
21st Jul 2026273 PMAQI
21st Jul 2026274 PMAQI
21st Jul 2026255 PMAQI
21st Jul 2026296 PMAQI
21st Jul 2026727 PMAQI
21st Jul 2026298 PMAQI
21st Jul 2026299 PMAQI
21st Jul 20262910 PMAQI
21st Jul 20262511 PMAQI
22nd Jul 20262112 AMAQI
22nd Jul 2026291 AMAQI
22nd Jul 2026292 AMAQI
22nd Jul 2026293 AMAQI
19°C17/21°C
22nd Jul 2026294 AMAQI
22nd Jul 2026295 AMAQI
22nd Jul 2026296 AMAQI
22nd Jul 2026297 AMAQI
22nd Jul 2026258 AMAQI
22nd Jul 2026259 AMAQI
22nd Jul 20262710 AMAQI
22nd Jul 20262711 AMAQI
22nd Jul 20262712 PMAQI
22nd Jul 2026271 PMAQI
22nd Jul 2026252 PMAQI
22nd Jul 2026273 PMAQI
22nd Jul 2026294 PMAQI
22nd Jul 2026275 PMAQI
22nd Jul 2026256 PMAQI
22nd Jul 2026257 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026239 PMAQI
22nd Jul 20262510 PMAQI
22nd Jul 20262511 PMAQI
23rd Jul 20262712 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026232 AMAQI
23rd Jul 2026253 AMAQI
18°C17/20°C
23rd Jul 2026254 AMAQI
23rd Jul 2026255 AMAQI
23rd Jul 2026256 AMAQI
23rd Jul 2026277 AMAQI
23rd Jul 2026298 AMAQI
23rd Jul 2026349 AMAQI
23rd Jul 20263010 AMAQI
23rd Jul 20262111 AMAQI
23rd Jul 20262112 PMAQI
23rd Jul 2026211 PMAQI
23rd Jul 2026212 PMAQI
23rd Jul 2026213 PMAQI
23rd Jul 2026274 PMAQI
23rd Jul 2026305 PMAQI
23rd Jul 2026236 PMAQI
23rd Jul 2026257 PMAQI
23rd Jul 2026298 PMAQI
23rd Jul 2026299 PMAQI
23rd Jul 20262710 PMAQI
23rd Jul 20262111 PMAQI
24th Jul 20262112 AMAQI
24th Jul 2026231 AMAQI
24th Jul 2026212 AMAQI
24th Jul 2026253 AMAQI
17°C15/19°C
24th Jul 2026254 AMAQI
24th Jul 2026345 AMAQI
24th Jul 2026236 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026278 AMAQI
24th Jul 2026239 AMAQI
24th Jul 20262310 AMAQI
24th Jul 20262711 AMAQI
24th Jul 20262512 PMAQI
24th Jul 2026271 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026253 PMAQI
24th Jul 2026214 PMAQI
24th Jul 2026215 PMAQI
24th Jul 2026296 PMAQI
24th Jul 2026277 PMAQI
24th Jul 2026278 PMAQI
24th Jul 2026279 PMAQI
24th Jul 20262310 PMAQI
24th Jul 20262311 PMAQI
25th Jul 20262512 AMAQI
25th Jul 2026251 AMAQI
25th Jul 2026252 AMAQI
25th Jul 2026233 AMAQI
15°C13/16°C
25th Jul 2026214 AMAQI
25th Jul 2026235 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026277 AMAQI
25th Jul 2026238 AMAQI
25th Jul 2026219 AMAQI
25th Jul 20262310 AMAQI
25th Jul 20262711 AMAQI
25th Jul 20262512 PMAQI
25th Jul 2026291 PMAQI
25th Jul 2026332 PMAQI
25th Jul 2026333 PMAQI
25th Jul 2026364 PMAQI
25th Jul 2026365 PMAQI
25th Jul 2026216 PMAQI
25th Jul 2026337 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20262712 AMAQI
26th Jul 2026231 AMAQI
26th Jul 2026232 AMAQI
26th Jul 2026233 AMAQI
13°C12/14°C
26th Jul 2026254 AMAQI
26th Jul 2026295 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20262711 AMAQI
26th Jul 20262712 PMAQI
26th Jul 2026291 PMAQI
26th Jul 2026312 PMAQI
26th Jul 2026213 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026235 PMAQI
26th Jul 2026216 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026239 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026233 AMAQI
15°C12/17°C
27th Jul 2026254 AMAQI
27th Jul 2026235 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026279 AMAQI
27th Jul 20262710 AMAQI
27th Jul 20262511 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026231 PMAQI
27th Jul 2026212 PMAQI
27th Jul 2026233 PMAQI
27th Jul 2026234 PMAQI
27th Jul 2026235 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026237 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262111 PMAQI
28th Jul 20262112 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026232 AMAQI
28th Jul 2026213 AMAQI
16°C14/18°C
28th Jul 2026214 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262712 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026293 PMAQI
28th Jul 2026274 PMAQI
28th Jul 2026295 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026317 PMAQI
28th Jul 2026318 PMAQI
28th Jul 2026339 PMAQI
28th Jul 20263110 PMAQI
28th Jul 20263111 PMAQI
29th Jul 20263112 AMAQI
29th Jul 2026311 AMAQI
29th Jul 2026312 AMAQI
29th Jul 2026293 AMAQI
17°C15/19°C
29th Jul 2026294 AMAQI
29th Jul 2026255 AMAQI
29th Jul 2026276 AMAQI
29th Jul 2026297 AMAQI
29th Jul 2026298 AMAQI
29th Jul 2026299 AMAQI
29th Jul 20262710 AMAQI
29th Jul 20262911 AMAQI
29th Jul 20262912 PMAQI
29th Jul 2026271 PMAQI
29th Jul 2026292 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026294 PMAQI
29th Jul 2026315 PMAQI
29th Jul 2026276 PMAQI
29th Jul 2026297 PMAQI
29th Jul 2026298 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262710 PMAQI
29th Jul 20262711 PMAQI
30th Jul 20262912 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026272 AMAQI
30th Jul 2026293 AMAQI
18°C15/20°C
30th Jul 2026274 AMAQI
30th Jul 2026295 AMAQI
30th Jul 2026296 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026298 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262910 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262712 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026273 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026276 PMAQI
30th Jul 2026277 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026279 PMAQI
30th Jul 20262910 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20262912 AMAQI
31st Jul 2026291 AMAQI
31st Jul 2026272 AMAQI
31st Jul 2026253 AMAQI
15°C14/16°C
31st Jul 2026254 AMAQI
31st Jul 2026255 AMAQI
31st Jul 2026256 AMAQI
31st Jul 2026237 AMAQI
31st Jul 2026218 AMAQI
31st Jul 2026219 AMAQI
31st Jul 20262310 AMAQI
31st Jul 20262311 AMAQI
31st Jul 20262312 PMAQI
31st Jul 2026211 PMAQI
31st Jul 2026212 PMAQI
31st Jul 2026233 PMAQI
31st Jul 2026254 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026259 PMAQI
31st Jul 20262710 PMAQI
31st Jul 20262911 PMAQI
1st Aug 20262912 AMAQI
1st Aug 2026271 AMAQI
1st Aug 2026252 AMAQI
1st Aug 2026233 AMAQI
14°C13/15°C
1st Aug 2026254 AMAQI
1st Aug 2026235 AMAQI
1st Aug 2026236 AMAQI
1st Aug 2026217 AMAQI
1st Aug 2026218 AMAQI
1st Aug 2026219 AMAQI
1st Aug 20263110 AMAQI
1st Aug 20263111 AMAQI
1st Aug 20263112 PMAQI
1st Aug 2026271 PMAQI
1st Aug 2026252 PMAQI
1st Aug 2026273 PMAQI
1st Aug 2026274 PMAQI
1st Aug 2026295 PMAQI
1st Aug 2026256 PMAQI
1st Aug 2026237 PMAQI
1st Aug 2026278 PMAQI
1st Aug 2026259 PMAQI
1st Aug 20262910 PMAQI
1st Aug 20262311 PMAQI
2nd Aug 20262112 AMAQI
2nd Aug 2026211 AMAQI
2nd Aug 2026212 AMAQI
2nd Aug 2026253 AMAQI
15°C13/16°C
2nd Aug 2026274 AMAQI
2nd Aug 2026275 AMAQI
2nd Aug 2026276 AMAQI
2nd Aug 2026347 AMAQI
2nd Aug 2026318 AMAQI
2nd Aug 2026279 AMAQI
2nd Aug 20262510 AMAQI
2nd Aug 20262511 AMAQI
2nd Aug 20262512 PMAQI
2nd Aug 2026251 PMAQI
2nd Aug 2026252 PMAQI
2nd Aug 2026233 PMAQI
2nd Aug 2026274 PMAQI
2nd Aug 2026215 PMAQI
2nd Aug 2026216 PMAQI
2nd Aug 2026217 PMAQI
2nd Aug 2026218 PMAQI
2nd Aug 2026219 PMAQI
2nd Aug 20262310 PMAQI
2nd Aug 20262911 PMAQI
3rd Aug 20262512 AMAQI
3rd Aug 2026231 AMAQI
3rd Aug 2026232 AMAQI
3rd Aug 2026213 AMAQI
16°C12/19°C
3rd Aug 2026234 AMAQI
3rd Aug 2026215 AMAQI
3rd Aug 2026216 AMAQI
3rd Aug 2026217 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026259 AMAQI
3rd Aug 20262710 AMAQI
3rd Aug 20262511 AMAQI
3rd Aug 20262512 PMAQI
3rd Aug 2026271 PMAQI
3rd Aug 2026272 PMAQI
3rd Aug 2026253 PMAQI
3rd Aug 2026274 PMAQI
3rd Aug 2026255 PMAQI
3rd Aug 2026296 PMAQI
3rd Aug 2026297 PMAQI
3rd Aug 2026278 PMAQI
3rd Aug 2026299 PMAQI
3rd Aug 20262710 PMAQI
3rd Aug 20263111 PMAQI
4th Aug 20262912 AMAQI
4th Aug 2026291 AMAQI
4th Aug 2026312 AMAQI
4th Aug 2026293 AMAQI
17°C14/19°C
4th Aug 2026294 AMAQI
4th Aug 2026335 AMAQI
4th Aug 2026336 AMAQI
4th Aug 2026337 AMAQI
4th Aug 2026318 AMAQI
4th Aug 2026339 AMAQI
4th Aug 20263110 AMAQI
4th Aug 20263111 AMAQI
4th Aug 20263112 PMAQI
4th Aug 2026291 PMAQI
4th Aug 2026292 PMAQI
4th Aug 2026293 PMAQI
4th Aug 2026334 PMAQI
4th Aug 2026295 PMAQI
4th Aug 2026276 PMAQI
4th Aug 2026277 PMAQI
4th Aug 2026298 PMAQI
4th Aug 2026339 PMAQI
4th Aug 20262910 PMAQI
4th Aug 20262711 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026271 AMAQI
5th Aug 2026252 AMAQI
5th Aug 2026253 AMAQI
18°C15/20°C
5th Aug 2026214 AMAQI
5th Aug 2026215 AMAQI
5th Aug 2026216 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026258 AMAQI
5th Aug 2026219 AMAQI
5th Aug 20262110 AMAQI
5th Aug 20262111 AMAQI
5th Aug 20262112 PMAQI
5th Aug 2026211 PMAQI
5th Aug 2026212 PMAQI
5th Aug 2026213 PMAQI
5th Aug 2026214 PMAQI
5th Aug 2026235 PMAQI
5th Aug 2026236 PMAQI
5th Aug 2026217 PMAQI
5th Aug 2026258 PMAQI
5th Aug 2026259 PMAQI
5th Aug 20262510 PMAQI
5th Aug 20262511 PMAQI
6th Aug 20262512 AMAQI
6th Aug 2026231 AMAQI
6th Aug 2026212 AMAQI
6th Aug 2026213 AMAQI
18°C16/20°C
6th Aug 2026214 AMAQI
6th Aug 2026215 AMAQI
6th Aug 2026236 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026218 AMAQI
6th Aug 2026239 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262312 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026232 PMAQI
6th Aug 2026213 PMAQI
6th Aug 2026214 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026216 PMAQI
6th Aug 2026217 PMAQI
6th Aug 2026218 PMAQI
6th Aug 2026219 PMAQI
6th Aug 20262710 PMAQI
6th Aug 20263311 PMAQI
7th Aug 20262912 AMAQI
7th Aug 2026271 AMAQI
7th Aug 2026272 AMAQI
7th Aug 2026293 AMAQI
19°C17/21°C
7th Aug 2026294 AMAQI
7th Aug 2026295 AMAQI
7th Aug 2026316 AMAQI
7th Aug 2026297 AMAQI
7th Aug 2026258 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262510 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20262712 PMAQI
7th Aug 2026311 PMAQI
7th Aug 2026332 PMAQI
7th Aug 2026313 PMAQI
7th Aug 2026294 PMAQI
7th Aug 2026335 PMAQI
7th Aug 2026366 PMAQI
7th Aug 2026387 PMAQI
7th Aug 2026308 PMAQI
7th Aug 2026279 PMAQI
7th Aug 20262710 PMAQI
7th Aug 20262111 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026231 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026233 AMAQI
20°C18/22°C
8th Aug 2026254 AMAQI
8th Aug 2026255 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026218 AMAQI
8th Aug 2026219 AMAQI
8th Aug 20262310 AMAQI
8th Aug 20262311 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026291 PMAQI
8th Aug 2026272 PMAQI
8th Aug 2026273 PMAQI
8th Aug 2026314 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026218 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20262110 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262312 AMAQI
9th Aug 2026231 AMAQI
9th Aug 2026272 AMAQI
9th Aug 2026273 AMAQI
20°C18/23°C
9th Aug 2026234 AMAQI
9th Aug 2026255 AMAQI
9th Aug 2026296 AMAQI
9th Aug 2026297 AMAQI
9th Aug 2026278 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262710 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262512 PMAQI
9th Aug 2026271 PMAQI
9th Aug 2026292 PMAQI
9th Aug 2026313 PMAQI
9th Aug 2026314 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026296 PMAQI
9th Aug 2026297 PMAQI
9th Aug 2026258 PMAQI
9th Aug 2026259 PMAQI
9th Aug 20262710 PMAQI
9th Aug 20262711 PMAQI
10th Aug 20262512 AMAQI
10th Aug 2026251 AMAQI
10th Aug 2026252 AMAQI
10th Aug 2026253 AMAQI
18°C16/19°C
10th Aug 2026254 AMAQI
10th Aug 2026255 AMAQI
10th Aug 2026256 AMAQI
10th Aug 2026257 AMAQI
10th Aug 2026258 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20262312 PMAQI
10th Aug 2026231 PMAQI
10th Aug 2026232 PMAQI
10th Aug 2026233 PMAQI
10th Aug 2026274 PMAQI
10th Aug 2026295 PMAQI
10th Aug 2026276 PMAQI
10th Aug 2026257 PMAQI
10th Aug 2026258 PMAQI
10th Aug 2026259 PMAQI
10th Aug 20262510 PMAQI
10th Aug 20262711 PMAQI
11th Aug 20262712 AMAQI
11th Aug 2026271 AMAQI
11th Aug 2026252 AMAQI
11th Aug 2026253 AMAQI
18°C15/21°C
11th Aug 2026254 AMAQI
11th Aug 2026235 AMAQI
11th Aug 2026256 AMAQI
11th Aug 2026257 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026259 AMAQI
11th Aug 20262710 AMAQI
11th Aug 20262311 AMAQI
11th Aug 20262512 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026252 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026234 PMAQI
11th Aug 2026255 PMAQI
11th Aug 2026276 PMAQI
11th Aug 2026277 PMAQI
11th Aug 2026258 PMAQI
11th Aug 2026259 PMAQI
11th Aug 20262710 PMAQI
11th Aug 20263411 PMAQI
12th Aug 20263412 AMAQI
12th Aug 2026291 AMAQI
12th Aug 2026292 AMAQI
12th Aug 2026293 AMAQI
19°C17/22°C
12th Aug 2026364 AMAQI
12th Aug 2026315 AMAQI
12th Aug 2026316 AMAQI
12th Aug 2026367 AMAQI
12th Aug 2026368 AMAQI
12th Aug 2026339 AMAQI
12th Aug 20262910 AMAQI
12th Aug 20263111 AMAQI
12th Aug 20263312 PMAQI
12th Aug 2026361 PMAQI
12th Aug 2026312 PMAQI
12th Aug 2026313 PMAQI
12th Aug 2026334 PMAQI
12th Aug 2026335 PMAQI
12th Aug 2026366 PMAQI
12th Aug 2026387 PMAQI
12th Aug 2026408 PMAQI
12th Aug 2026369 PMAQI
12th Aug 20264010 PMAQI
12th Aug 20263811 PMAQI
13th Aug 20264212 AMAQI
13th Aug 2026321 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026333 AMAQI
19°C18/22°C
13th Aug 2026294 AMAQI
4 AM13th Aug 2026255 AMAQI
13th Aug 2026256 AMAQI
13th Aug 2026217 AMAQI
13th Aug 2026238 AMAQI
13th Aug 2026219 AMAQI
13th Aug 20262110 AMAQI
13th Aug 20262111 AMAQI
11 AM13th Aug 20262112 PMAQI
13th Aug 2026231 PMAQI
13th Aug 2026212 PMAQI
13th Aug 2026213 PMAQI
13th Aug 2026214 PMAQI
13th Aug 2026215 PMAQI
13th Aug 2026216 PMAQI
6 PM13th Aug 2026217 PMAQI
13th Aug 2026218 PMAQI
13th Aug 2026219 PMAQI
13th Aug 20262110 PMAQI
13th Aug 20262111 PMAQI
11 PM3 AM
20°C18/22°C
Day time
Avg. Highest Time
6 AM - 7 AM
26AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
4 AM - 5 AM
25AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 26), while the lowest AQI was between 4 AM to 5 AM (Avg. 25).
Night time
Avg. Highest Time
12 AM
27AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
1 AM - 3 AM
25AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 27), while the lowest AQI was between 1 AM to 3 AM (Avg. 25).
2026 Days Vs Air Quality
Showacho, Ashino, Hokkaido, Japan
2026
87%
195
13%
30
Total number of days with different AQI categories in last 225 days in 2026 (140 days remaining)
Good
195 DaysModerate
30 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2026, 87% of 225 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
Showacho, Ashino, Hokkaido, 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
24AQI (US)
24AQI (US)
2nd January 2026
25AQI (US)
25AQI (US)
3rd January 2026
18AQI (US)
18AQI (US)
4th January 2026
22AQI (US)
22AQI (US)
5th January 2026
22AQI (US)
22AQI (US)
6th January 2026
25AQI (US)
25AQI (US)
7th January 2026
29AQI (US)
29AQI (US)
8th January 2026
31AQI (US)
31AQI (US)
9th January 2026
22AQI (US)
22AQI (US)
10th January 2026
31AQI (US)
31AQI (US)
11th January 2026
35AQI (US)
35AQI (US)
12th January 2026
15AQI (US)
15AQI (US)
13th January 2026
20AQI (US)
20AQI (US)
14th January 2026
29AQI (US)
29AQI (US)
15th January 2026
24AQI (US)
24AQI (US)
16th January 2026
35AQI (US)
35AQI (US)
17th January 2026
25AQI (US)
25AQI (US)
18th January 2026
22AQI (US)
22AQI (US)
19th January 2026
28AQI (US)
28AQI (US)
20th January 2026
20AQI (US)
20AQI (US)
21st January 2026
17AQI (US)
17AQI (US)
22nd January 2026
20AQI (US)
20AQI (US)
23rd January 2026
34AQI (US)
34AQI (US)
24th January 2026
36AQI (US)
36AQI (US)
25th January 2026
27AQI (US)
27AQI (US)
26th January 2026
42AQI (US)
42AQI (US)
27th January 2026
43AQI (US)
43AQI (US)
28th January 2026
18AQI (US)
18AQI (US)
29th January 2026
18AQI (US)
18AQI (US)
30th January 2026
49AQI (US)
49AQI (US)
31st January 2026
15AQI (US)
15AQI (US)
1st February 2026
14AQI (US)
14AQI (US)
2nd February 2026
29AQI (US)
29AQI (US)
3rd February 2026
29AQI (US)
29AQI (US)
4th February 2026
30AQI (US)
30AQI (US)
5th February 2026
30AQI (US)
30AQI (US)
6th February 2026
42AQI (US)
42AQI (US)
7th February 2026
22AQI (US)
22AQI (US)
8th February 2026
25AQI (US)
25AQI (US)
9th February 2026
44AQI (US)
44AQI (US)
10th February 2026
48AQI (US)
48AQI (US)
11th February 2026
61AQI (US)
61AQI (US)
12th February 2026
22AQI (US)
22AQI (US)
13th February 2026
20AQI (US)
20AQI (US)
14th February 2026
55AQI (US)
55AQI (US)
15th February 2026
42AQI (US)
42AQI (US)
16th February 2026
18AQI (US)
18AQI (US)
17th February 2026
20AQI (US)
20AQI (US)
18th February 2026
23AQI (US)
23AQI (US)
19th February 2026
39AQI (US)
39AQI (US)
20th February 2026
36AQI (US)
36AQI (US)
21st February 2026
48AQI (US)
48AQI (US)
22nd February 2026
47AQI (US)
47AQI (US)
23rd February 2026
23AQI (US)
23AQI (US)
24th February 2026
22AQI (US)
22AQI (US)
25th February 2026
46AQI (US)
46AQI (US)
26th February 2026
51AQI (US)
51AQI (US)
27th February 2026
44AQI (US)
44AQI (US)
28th February 2026
40AQI (US)
40AQI (US)
1st March 2026
37AQI (US)
37AQI (US)
2nd March 2026
52AQI (US)
52AQI (US)
3rd March 2026
47AQI (US)
47AQI (US)
4th March 2026
58AQI (US)
58AQI (US)
5th March 2026
61AQI (US)
61AQI (US)
6th March 2026
53AQI (US)
53AQI (US)
7th March 2026
45AQI (US)
45AQI (US)
8th March 2026
46AQI (US)
46AQI (US)
9th March 2026
44AQI (US)
44AQI (US)
10th March 2026
54AQI (US)
54AQI (US)
11th March 2026
52AQI (US)
52AQI (US)
12th March 2026
62AQI (US)
62AQI (US)
13th March 2026
40AQI (US)
40AQI (US)
14th March 2026
47AQI (US)
47AQI (US)
15th March 2026
59AQI (US)
59AQI (US)
16th March 2026
37AQI (US)
37AQI (US)
17th March 2026
42AQI (US)
42AQI (US)
18th March 2026
43AQI (US)
43AQI (US)
19th March 2026
52AQI (US)
52AQI (US)
20th March 2026
38AQI (US)
38AQI (US)
21st March 2026
33AQI (US)
33AQI (US)
22nd March 2026
52AQI (US)
52AQI (US)
23rd March 2026
63AQI (US)
63AQI (US)
24th March 2026
40AQI (US)
40AQI (US)
25th March 2026
40AQI (US)
40AQI (US)
26th March 2026
29AQI (US)
29AQI (US)
27th March 2026
33AQI (US)
33AQI (US)
28th March 2026
46AQI (US)
46AQI (US)
29th March 2026
58AQI (US)
58AQI (US)
30th March 2026
65AQI (US)
65AQI (US)
31st March 2026
42AQI (US)
42AQI (US)
1st April 2026
27AQI (US)
27AQI (US)
2nd April 2026
31AQI (US)
31AQI (US)
3rd April 2026
53AQI (US)
53AQI (US)
4th April 2026
53AQI (US)
53AQI (US)
5th April 2026
24AQI (US)
24AQI (US)
6th April 2026
22AQI (US)
22AQI (US)
7th April 2026
26AQI (US)
26AQI (US)
8th April 2026
22AQI (US)
22AQI (US)
9th April 2026
38AQI (US)
38AQI (US)
10th April 2026
54AQI (US)
54AQI (US)
11th April 2026
34AQI (US)
34AQI (US)
12th April 2026
27AQI (US)
27AQI (US)
13th April 2026
30AQI (US)
30AQI (US)
14th April 2026
35AQI (US)
35AQI (US)
15th April 2026
37AQI (US)
37AQI (US)
16th April 2026
34AQI (US)
34AQI (US)
17th April 2026
37AQI (US)
37AQI (US)
18th April 2026
36AQI (US)
36AQI (US)
19th April 2026
32AQI (US)
32AQI (US)
20th April 2026
30AQI (US)
30AQI (US)
21st April 2026
42AQI (US)
42AQI (US)
22nd April 2026
43AQI (US)
43AQI (US)
23rd April 2026
16AQI (US)
16AQI (US)
24th April 2026
21AQI (US)
21AQI (US)
25th April 2026
51AQI (US)
51AQI (US)
26th April 2026
47AQI (US)
47AQI (US)
27th April 2026
33AQI (US)
33AQI (US)
28th April 2026
23AQI (US)
23AQI (US)
29th April 2026
27AQI (US)
27AQI (US)
30th April 2026
36AQI (US)
36AQI (US)
1st May 2026
40AQI (US)
40AQI (US)
2nd May 2026
40AQI (US)
40AQI (US)
3rd May 2026
37AQI (US)
37AQI (US)
4th May 2026
34AQI (US)
34AQI (US)
5th May 2026
24AQI (US)
24AQI (US)
6th May 2026
31AQI (US)
31AQI (US)
7th May 2026
29AQI (US)
29AQI (US)
8th May 2026
25AQI (US)
25AQI (US)
9th May 2026
24AQI (US)
24AQI (US)
10th May 2026
26AQI (US)
26AQI (US)
11th May 2026
27AQI (US)
27AQI (US)
12th May 2026
36AQI (US)
36AQI (US)
13th May 2026
34AQI (US)
34AQI (US)
14th May 2026
27AQI (US)
27AQI (US)
15th May 2026
30AQI (US)
30AQI (US)
16th May 2026
84AQI (US)
84AQI (US)
17th May 2026
71AQI (US)
71AQI (US)
18th May 2026
56AQI (US)
56AQI (US)
19th May 2026
55AQI (US)
55AQI (US)
20th May 2026
64AQI (US)
64AQI (US)
21st May 2026
60AQI (US)
60AQI (US)
22nd May 2026
71AQI (US)
71AQI (US)
23rd May 2026
65AQI (US)
65AQI (US)
24th May 2026
67AQI (US)
67AQI (US)
25th May 2026
61AQI (US)
61AQI (US)
26th May 2026
43AQI (US)
43AQI (US)
27th May 2026
20AQI (US)
20AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
23AQI (US)
23AQI (US)
30th May 2026
23AQI (US)
23AQI (US)
31st May 2026
24AQI (US)
24AQI (US)
1st June 2026
24AQI (US)
24AQI (US)
2nd June 2026
45AQI (US)
45AQI (US)
3rd June 2026
46AQI (US)
46AQI (US)
4th June 2026
26AQI (US)
26AQI (US)
5th June 2026
17AQI (US)
17AQI (US)
6th June 2026
19AQI (US)
19AQI (US)
7th June 2026
19AQI (US)
19AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
18AQI (US)
18AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
22AQI (US)
22AQI (US)
13th June 2026
23AQI (US)
23AQI (US)
14th June 2026
22AQI (US)
22AQI (US)
15th June 2026
20AQI (US)
20AQI (US)
16th June 2026
25AQI (US)
25AQI (US)
17th June 2026
22AQI (US)
22AQI (US)
18th June 2026
24AQI (US)
24AQI (US)
19th June 2026
26AQI (US)
26AQI (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
25AQI (US)
25AQI (US)
26th June 2026
27AQI (US)
27AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
25AQI (US)
25AQI (US)
29th June 2026
22AQI (US)
22AQI (US)
30th June 2026
20AQI (US)
20AQI (US)
1st July 2026
21AQI (US)
21AQI (US)
2nd July 2026
22AQI (US)
22AQI (US)
3rd July 2026
22AQI (US)
22AQI (US)
4th July 2026
23AQI (US)
23AQI (US)
5th July 2026
19AQI (US)
19AQI (US)
6th July 2026
24AQI (US)
24AQI (US)
7th July 2026
22AQI (US)
22AQI (US)
8th July 2026
19AQI (US)
19AQI (US)
9th July 2026
17AQI (US)
17AQI (US)
10th July 2026
23AQI (US)
23AQI (US)
11th July 2026
28AQI (US)
28AQI (US)
12th July 2026
26AQI (US)
26AQI (US)
13th July 2026
18AQI (US)
18AQI (US)
14th July 2026
25AQI (US)
25AQI (US)
15th July 2026
24AQI (US)
24AQI (US)
16th July 2026
22AQI (US)
22AQI (US)
17th July 2026
24AQI (US)
24AQI (US)
18th July 2026
25AQI (US)
25AQI (US)
19th July 2026
25AQI (US)
25AQI (US)
20th July 2026
21AQI (US)
21AQI (US)
21st July 2026
27AQI (US)
27AQI (US)
22nd July 2026
27AQI (US)
27AQI (US)
23rd July 2026
25AQI (US)
25AQI (US)
24th July 2026
25AQI (US)
25AQI (US)
25th July 2026
27AQI (US)
27AQI (US)
26th July 2026
24AQI (US)
24AQI (US)
27th July 2026
23AQI (US)
23AQI (US)
28th July 2026
26AQI (US)
26AQI (US)
29th July 2026
28AQI (US)
28AQI (US)
30th July 2026
27AQI (US)
27AQI (US)
31st July 2026
25AQI (US)
25AQI (US)
1st August 2026
26AQI (US)
26AQI (US)
2nd August 2026
25AQI (US)
25AQI (US)
3rd August 2026
25AQI (US)
25AQI (US)
4th August 2026
30AQI (US)
30AQI (US)
5th August 2026
23AQI (US)
23AQI (US)
6th August 2026
23AQI (US)
23AQI (US)
7th August 2026
29AQI (US)
29AQI (US)
8th August 2026
24AQI (US)
24AQI (US)
9th August 2026
27AQI (US)
27AQI (US)
10th August 2026
25AQI (US)
25AQI (US)
11th August 2026
26AQI (US)
26AQI (US)
12th August 2026
34AQI (US)
34AQI (US)
13th August 2026
24AQI (US)
24AQI (US)
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)
47AQI (US)
34AQI (US)
41AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202633AQI (US)
31
25
3
18
13
26
4
21
10
30
31
13
195
30
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
July24AQI (US)
202534AQI (US)
31
28
31
30
31
30
31
31
30
26
5
21
9
28
3
348
17
Highest AQI (US) recorded in
July43AQI (US)
Lowest AQI (US) recorded in
April26AQI (US)
202424AQI (US)
31
27
2
31
30
30
1
30
27
4
31
30
31
30
31
359
7
Highest AQI (US) recorded in
July36AQI (US)
Lowest AQI (US) recorded in
September17AQI (US)
202327AQI (US)
29
27
1
23
8
23
7
29
2
29
1
29
2
31
30
31
22
1
31
334
22
Highest AQI (US) recorded in
March39AQI (US)
Lowest AQI (US) recorded in
December18AQI (US)
202222AQI (US)
2
20
1
31
26
4
31
29
1
24
1
28
28
30
31
281
6
Highest AQI (US) recorded in
April29AQI (US)
Lowest AQI (US) recorded in
August8AQI (US)
202124AQI (US)
29
1
27
1
27
4
29
1
31
30
27
4
31
30
31
30
31
353
11
Highest AQI (US) recorded in
March31AQI (US)
Lowest AQI (US) recorded in
September16AQI (US)
202023AQI (US)
12
1
21
18
30
31
30
1
18
1
31
25
1
30
1
246
5
Highest AQI (US) recorded in
March29AQI (US)
Lowest AQI (US) recorded in
November20AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
34AQI (US)Least Polluted Year Recorded
2022(Avg.)
22AQI (US)Showacho's annual 2026 AQI (US) (33) shows an average percentage change of 31.2% (worsened AQI (US)) compared to previous years: 2020 (23), 2021 (24), 2022 (22), 2023 (27), 2024 (24), 2025 (34).
