Katakuramachi, Hachioji, Tokyo, 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
Katakuramachi, Hachioji, Tokyo, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2026
69AQILowest AQI recorded on
30th Aug 2024
11AQISame Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 23 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Katakuramachi, Hachioji, Tokyo, Japan
AQI
Day
Night
.
4 AM15th Aug 2026
6 PM
3 AM16th Aug 2026
Day time
Avg. Highest Time
11AM15th Aug
27AQI
Avg. Lowest Time
6PM15th Aug
21AQI
Night time
Avg. Highest Time
10PM15th Aug
29AQI
Avg. Lowest Time
3AM16th Aug
21AQI
In the last 24 hours,
Katakuramachi's AQI reached its highest point of 29 at 10 PM during the Night, while the lowest point, 21, was recorded at 3 AM during the Night between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Katakuramachi, Hachioji, Tokyo, Japan
JulAug
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026334 AMAQI
18th Jul 2026335 AMAQI
18th Jul 2026336 AMAQI
18th Jul 2026297 AMAQI
18th Jul 2026178 AMAQI
18th Jul 2026259 AMAQI
18th Jul 20262510 AMAQI
18th Jul 20262311 AMAQI
18th Jul 20262712 PMAQI
18th Jul 2026211 PMAQI
18th Jul 2026292 PMAQI
18th Jul 2026193 PMAQI
18th Jul 2026254 PMAQI
18th Jul 2026215 PMAQI
18th Jul 2026106 PMAQI
18th Jul 2026107 PMAQI
18th Jul 2026128 PMAQI
18th Jul 2026109 PMAQI
18th Jul 20261110 PMAQI
18th Jul 20261211 PMAQI
19th Jul 20261012 AMAQI
19th Jul 202681 AMAQI
19th Jul 202672 AMAQI
19th Jul 202683 AMAQI
27°C24/30°C
19th Jul 2026104 AMAQI
19th Jul 202685 AMAQI
19th Jul 202686 AMAQI
19th Jul 202687 AMAQI
19th Jul 202688 AMAQI
19th Jul 2026109 AMAQI
19th Jul 20261410 AMAQI
19th Jul 20261411 AMAQI
19th Jul 20261012 PMAQI
19th Jul 2026211 PMAQI
19th Jul 2026232 PMAQI
19th Jul 2026213 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026296 PMAQI
19th Jul 2026277 PMAQI
19th Jul 2026308 PMAQI
19th Jul 2026339 PMAQI
19th Jul 20262710 PMAQI
19th Jul 20262111 PMAQI
20th Jul 20262312 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026272 AMAQI
20th Jul 2026213 AMAQI
27°C24/31°C
20th Jul 2026234 AMAQI
20th Jul 2026275 AMAQI
20th Jul 2026296 AMAQI
20th Jul 2026217 AMAQI
20th Jul 2026218 AMAQI
20th Jul 2026239 AMAQI
20th Jul 20262710 AMAQI
20th Jul 20262911 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026361 PMAQI
20th Jul 2026332 PMAQI
20th Jul 2026313 PMAQI
20th Jul 2026404 PMAQI
20th Jul 2026405 PMAQI
20th Jul 2026406 PMAQI
20th Jul 2026407 PMAQI
20th Jul 2026368 PMAQI
20th Jul 2026389 PMAQI
20th Jul 20263810 PMAQI
20th Jul 20263611 PMAQI
21st Jul 20263812 AMAQI
21st Jul 2026401 AMAQI
21st Jul 2026402 AMAQI
21st Jul 2026443 AMAQI
30°C25/35°C
21st Jul 2026504 AMAQI
21st Jul 2026585 AMAQI
21st Jul 2026636 AMAQI
21st Jul 2026647 AMAQI
21st Jul 2026658 AMAQI
21st Jul 2026659 AMAQI
21st Jul 20266010 AMAQI
21st Jul 20266011 AMAQI
21st Jul 2026691 PMAQI
21st Jul 2026592 PMAQI
21st Jul 2026643 PMAQI
21st Jul 2026694 PMAQI
21st Jul 2026695 PMAQI
21st Jul 2026726 PMAQI
21st Jul 2026937 PMAQI
21st Jul 2026678 PMAQI
21st Jul 2026689 PMAQI
21st Jul 20266910 PMAQI
21st Jul 20266911 PMAQI
22nd Jul 20265912 AMAQI
22nd Jul 2026601 AMAQI
22nd Jul 2026622 AMAQI
22nd Jul 2026623 AMAQI
31°C27/36°C
22nd Jul 2026624 AMAQI
22nd Jul 2026715 AMAQI
22nd Jul 2026686 AMAQI
22nd Jul 2026667 AMAQI
22nd Jul 2026748 AMAQI
22nd Jul 2026699 AMAQI
22nd Jul 20267410 AMAQI
22nd Jul 20268111 AMAQI
22nd Jul 20268312 PMAQI
22nd Jul 2026801 PMAQI
22nd Jul 2026802 PMAQI
22nd Jul 2026883 PMAQI
22nd Jul 2026824 PMAQI
22nd Jul 2026765 PMAQI
22nd Jul 2026716 PMAQI
22nd Jul 2026757 PMAQI
22nd Jul 2026798 PMAQI
22nd Jul 2026819 PMAQI
22nd Jul 20268810 PMAQI
22nd Jul 20269011 PMAQI
23rd Jul 20268012 AMAQI
23rd Jul 2026791 AMAQI
23rd Jul 2026692 AMAQI
23rd Jul 2026513 AMAQI
31°C26/36°C
23rd Jul 2026484 AMAQI
23rd Jul 2026575 AMAQI
23rd Jul 2026596 AMAQI
23rd Jul 2026647 AMAQI
23rd Jul 2026668 AMAQI
23rd Jul 2026929 AMAQI
23rd Jul 20269010 AMAQI
23rd Jul 20267411 AMAQI
23rd Jul 20265112 PMAQI
23rd Jul 2026531 PMAQI
23rd Jul 2026532 PMAQI
23rd Jul 2026533 PMAQI
23rd Jul 2026534 PMAQI
23rd Jul 2026705 PMAQI
23rd Jul 2026956 PMAQI
23rd Jul 2026787 PMAQI
23rd Jul 20261258 PMAQI
23rd Jul 2026989 PMAQI
23rd Jul 20266210 PMAQI
23rd Jul 20265211 PMAQI
24th Jul 20264412 AMAQI
24th Jul 2026421 AMAQI
24th Jul 2026312 AMAQI
24th Jul 2026363 AMAQI
31°C27/36°C
24th Jul 2026484 AMAQI
24th Jul 2026515 AMAQI
24th Jul 2026426 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026338 AMAQI
24th Jul 2026219 AMAQI
24th Jul 20262910 AMAQI
24th Jul 20264411 AMAQI
24th Jul 20265012 PMAQI
24th Jul 2026521 PMAQI
24th Jul 2026732 PMAQI
24th Jul 20261003 PMAQI
24th Jul 2026764 PMAQI
24th Jul 2026645 PMAQI
24th Jul 2026546 PMAQI
24th Jul 2026607 PMAQI
24th Jul 2026558 PMAQI
24th Jul 2026589 PMAQI
24th Jul 20265810 PMAQI
24th Jul 20265711 PMAQI
25th Jul 20265612 AMAQI
25th Jul 2026541 AMAQI
25th Jul 2026542 AMAQI
25th Jul 2026603 AMAQI
29°C26/32°C
25th Jul 2026574 AMAQI
25th Jul 2026515 AMAQI
25th Jul 2026466 AMAQI
25th Jul 2026547 AMAQI
25th Jul 2026488 AMAQI
25th Jul 2026539 AMAQI
25th Jul 20266010 AMAQI
25th Jul 20265811 AMAQI
25th Jul 20267012 PMAQI
25th Jul 2026541 PMAQI
25th Jul 2026532 PMAQI
25th Jul 2026423 PMAQI
25th Jul 2026574 PMAQI
25th Jul 2026515 PMAQI
25th Jul 2026766 PMAQI
25th Jul 2026877 PMAQI
25th Jul 2026648 PMAQI
25th Jul 2026369 PMAQI
25th Jul 20262710 PMAQI
25th Jul 20262111 PMAQI
26th Jul 20262112 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026212 AMAQI
26th Jul 2026423 AMAQI
29°C25/34°C
26th Jul 2026274 AMAQI
26th Jul 2026275 AMAQI
26th Jul 2026196 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026319 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20263111 AMAQI
26th Jul 20263612 PMAQI
26th Jul 2026331 PMAQI
26th Jul 2026332 PMAQI
26th Jul 2026233 PMAQI
26th Jul 2026124 PMAQI
26th Jul 2026215 PMAQI
26th Jul 2026236 PMAQI
26th Jul 2026177 PMAQI
26th Jul 2026318 PMAQI
26th Jul 2026279 PMAQI
26th Jul 20261910 PMAQI
26th Jul 20261711 PMAQI
27th Jul 20261712 AMAQI
27th Jul 2026171 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026133 AMAQI
27°C24/30°C
27th Jul 2026214 AMAQI
27th Jul 2026275 AMAQI
27th Jul 2026126 AMAQI
27th Jul 2026237 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026199 AMAQI
27th Jul 20262910 AMAQI
27th Jul 20262311 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026271 PMAQI
27th Jul 2026272 PMAQI
27th Jul 2026343 PMAQI
27th Jul 2026314 PMAQI
27th Jul 2026235 PMAQI
27th Jul 2026256 PMAQI
27th Jul 2026367 PMAQI
27th Jul 2026338 PMAQI
27th Jul 2026339 PMAQI
27th Jul 20263610 PMAQI
27th Jul 20263611 PMAQI
28th Jul 20263812 AMAQI
28th Jul 2026311 AMAQI
28th Jul 2026332 AMAQI
28th Jul 2026313 AMAQI
26°C23/30°C
28th Jul 2026314 AMAQI
28th Jul 2026295 AMAQI
28th Jul 2026296 AMAQI
28th Jul 2026277 AMAQI
28th Jul 2026318 AMAQI
28th Jul 2026319 AMAQI
28th Jul 20263310 AMAQI
28th Jul 20263311 AMAQI
28th Jul 20263612 PMAQI
28th Jul 2026331 PMAQI
28th Jul 2026382 PMAQI
28th Jul 2026383 PMAQI
28th Jul 2026334 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026256 PMAQI
28th Jul 2026277 PMAQI
28th Jul 2026278 PMAQI
28th Jul 2026389 PMAQI
28th Jul 20263810 PMAQI
28th Jul 20263311 PMAQI
29th Jul 20263812 AMAQI
29th Jul 2026401 AMAQI
29th Jul 2026362 AMAQI
29th Jul 2026293 AMAQI
25°C23/29°C
29th Jul 2026364 AMAQI
29th Jul 2026335 AMAQI
29th Jul 2026316 AMAQI
29th Jul 2026297 AMAQI
29th Jul 2026338 AMAQI
29th Jul 2026279 AMAQI
29th Jul 20262510 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026233 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026253 AMAQI
27°C22/34°C
30th Jul 2026254 AMAQI
30th Jul 2026255 AMAQI
30th Jul 2026276 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026298 AMAQI
30th Jul 2026299 AMAQI
30th Jul 20262910 AMAQI
30th Jul 20263111 AMAQI
30th Jul 20263312 PMAQI
30th Jul 2026361 PMAQI
30th Jul 2026362 PMAQI
30th Jul 2026333 PMAQI
30th Jul 2026364 PMAQI
30th Jul 2026405 PMAQI
30th Jul 2026506 PMAQI
30th Jul 2026517 PMAQI
30th Jul 2026528 PMAQI
30th Jul 2026509 PMAQI
30th Jul 20264210 PMAQI
30th Jul 20264811 PMAQI
31st Jul 20266512 AMAQI
31st Jul 2026641 AMAQI
31st Jul 2026682 AMAQI
31st Jul 2026713 AMAQI
29°C24/35°C
31st Jul 2026644 AMAQI
31st Jul 2026645 AMAQI
31st Jul 2026676 AMAQI
31st Jul 2026747 AMAQI
31st Jul 2026748 AMAQI
31st Jul 2026699 AMAQI
31st Jul 20267110 AMAQI
31st Jul 20266811 AMAQI
31st Jul 20265912 PMAQI
31st Jul 2026531 PMAQI
31st Jul 2026522 PMAQI
31st Jul 2026513 PMAQI
31st Jul 2026504 PMAQI
31st Jul 2026735 PMAQI
31st Jul 2026626 PMAQI
31st Jul 2026737 PMAQI
31st Jul 2026788 PMAQI
31st Jul 2026689 PMAQI
31st Jul 20267110 PMAQI
31st Jul 20267311 PMAQI
1st Aug 20267612 AMAQI
1st Aug 2026711 AMAQI
1st Aug 2026762 AMAQI
1st Aug 2026383 AMAQI
29°C25/34°C
1st Aug 2026604 AMAQI
1st Aug 2026655 AMAQI
1st Aug 2026686 AMAQI
1st Aug 2026597 AMAQI
1st Aug 2026678 AMAQI
1st Aug 2026669 AMAQI
1st Aug 20266310 AMAQI
1st Aug 20266511 AMAQI
1st Aug 20266912 PMAQI
1st Aug 2026681 PMAQI
1st Aug 2026642 PMAQI
1st Aug 2026633 PMAQI
1st Aug 2026594 PMAQI
1st Aug 2026765 PMAQI
1st Aug 2026826 PMAQI
1st Aug 2026787 PMAQI
1st Aug 2026838 PMAQI
1st Aug 2026859 PMAQI
1st Aug 20267610 PMAQI
1st Aug 20267611 PMAQI
2nd Aug 20268512 AMAQI
2nd Aug 2026841 AMAQI
2nd Aug 2026722 AMAQI
2nd Aug 2026753 AMAQI
30°C25/35°C
2nd Aug 2026694 AMAQI
2nd Aug 2026575 AMAQI
2nd Aug 2026636 AMAQI
2nd Aug 2026607 AMAQI
2nd Aug 2026548 AMAQI
2nd Aug 2026529 AMAQI
2nd Aug 20264910 AMAQI
2nd Aug 20265511 AMAQI
2nd Aug 20265712 PMAQI
2nd Aug 2026531 PMAQI
2nd Aug 2026532 PMAQI
2nd Aug 2026543 PMAQI
2nd Aug 2026644 PMAQI
2nd Aug 2026655 PMAQI
2nd Aug 2026926 PMAQI
2nd Aug 2026957 PMAQI
2nd Aug 2026738 PMAQI
2nd Aug 2026199 PMAQI
2nd Aug 20261710 PMAQI
2nd Aug 20261211 PMAQI
3rd Aug 20261212 AMAQI
3rd Aug 202681 AMAQI
3rd Aug 2026102 AMAQI
3rd Aug 2026123 AMAQI
29°C24/35°C
3rd Aug 202694 AMAQI
3rd Aug 2026125 AMAQI
3rd Aug 202686 AMAQI
3rd Aug 2026127 AMAQI
3rd Aug 202678 AMAQI
3rd Aug 2026129 AMAQI
3rd Aug 20261210 AMAQI
3rd Aug 20261211 AMAQI
3rd Aug 2026812 PMAQI
3rd Aug 202681 PMAQI
3rd Aug 202662 PMAQI
3rd Aug 2026123 PMAQI
3rd Aug 2026254 PMAQI
3rd Aug 2026275 PMAQI
3rd Aug 2026296 PMAQI
3rd Aug 2026277 PMAQI
3rd Aug 2026218 PMAQI
3rd Aug 2026279 PMAQI
3rd Aug 20262510 PMAQI
3rd Aug 20262911 PMAQI
4th Aug 20261912 AMAQI
4th Aug 2026231 AMAQI
4th Aug 2026212 AMAQI
4th Aug 2026253 AMAQI
23°C22/25°C
4th Aug 2026234 AMAQI
4th Aug 2026215 AMAQI
4th Aug 2026256 AMAQI
4th Aug 2026297 AMAQI
4th Aug 2026258 AMAQI
4th Aug 2026199 AMAQI
4th Aug 20262110 AMAQI
4th Aug 20263111 AMAQI
4th Aug 20262312 PMAQI
4th Aug 2026271 PMAQI
4th Aug 2026272 PMAQI
4th Aug 2026333 PMAQI
4th Aug 2026334 PMAQI
4th Aug 2026365 PMAQI
4th Aug 2026426 PMAQI
4th Aug 2026367 PMAQI
4th Aug 2026298 PMAQI
4th Aug 2026279 PMAQI
4th Aug 20262710 PMAQI
4th Aug 20262711 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026271 AMAQI
5th Aug 2026272 AMAQI
5th Aug 2026253 AMAQI
24°C21/30°C
5th Aug 2026274 AMAQI
5th Aug 2026255 AMAQI
5th Aug 2026276 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026298 AMAQI
5th Aug 2026259 AMAQI
5th Aug 20262510 AMAQI
5th Aug 20262711 AMAQI
5th Aug 20262512 PMAQI
5th Aug 2026291 PMAQI
5th Aug 2026272 PMAQI
5th Aug 2026273 PMAQI
5th Aug 2026294 PMAQI
5th Aug 2026295 PMAQI
5th Aug 2026296 PMAQI
5th Aug 2026277 PMAQI
5th Aug 2026298 PMAQI
5th Aug 2026339 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20262511 PMAQI
6th Aug 20262512 AMAQI
6th Aug 2026251 AMAQI
6th Aug 2026252 AMAQI
6th Aug 2026233 AMAQI
25°C21/30°C
6th Aug 2026234 AMAQI
6th Aug 2026255 AMAQI
6th Aug 2026236 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026238 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262110 AMAQI
6th Aug 20262311 AMAQI
6th Aug 20262312 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026232 PMAQI
6th Aug 2026213 PMAQI
6th Aug 2026214 PMAQI
6th Aug 2026215 PMAQI
6th Aug 2026216 PMAQI
6th Aug 2026217 PMAQI
6th Aug 2026218 PMAQI
6th Aug 2026219 PMAQI
6th Aug 20262310 PMAQI
6th Aug 20262111 PMAQI
7th Aug 20262112 AMAQI
7th Aug 2026231 AMAQI
7th Aug 2026212 AMAQI
7th Aug 2026213 AMAQI
28°C25/32°C
7th Aug 2026234 AMAQI
7th Aug 2026295 AMAQI
7th Aug 2026256 AMAQI
7th Aug 2026257 AMAQI
7th Aug 2026258 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262310 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20262312 PMAQI
7th Aug 2026441 PMAQI
7th Aug 2026252 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026234 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026216 PMAQI
7th Aug 2026217 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026219 PMAQI
7th Aug 20262310 PMAQI
7th Aug 20262111 PMAQI
8th Aug 20262312 AMAQI
8th Aug 2026211 AMAQI
8th Aug 2026252 AMAQI
8th Aug 2026273 AMAQI
28°C24/33°C
8th Aug 2026254 AMAQI
8th Aug 2026295 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026237 AMAQI
8th Aug 2026278 AMAQI
8th Aug 2026299 AMAQI
8th Aug 20262710 AMAQI
8th Aug 20262911 AMAQI
8th Aug 20262112 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026212 PMAQI
8th Aug 2026233 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026238 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20262110 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20262312 AMAQI
9th Aug 2026211 AMAQI
9th Aug 2026232 AMAQI
9th Aug 2026253 AMAQI
28°C24/33°C
9th Aug 2026254 AMAQI
9th Aug 2026255 AMAQI
9th Aug 2026236 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026238 AMAQI
9th Aug 2026219 AMAQI
9th Aug 20262910 AMAQI
9th Aug 20262111 AMAQI
9th Aug 20262312 PMAQI
9th Aug 2026251 PMAQI
9th Aug 2026212 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026214 PMAQI
9th Aug 2026235 PMAQI
9th Aug 2026276 PMAQI
9th Aug 2026277 PMAQI
9th Aug 2026388 PMAQI
9th Aug 2026389 PMAQI
9th Aug 20264210 PMAQI
9th Aug 20262911 PMAQI
10th Aug 20262912 AMAQI
10th Aug 2026271 AMAQI
10th Aug 2026272 AMAQI
10th Aug 2026273 AMAQI
28°C24/32°C
10th Aug 2026234 AMAQI
10th Aug 2026235 AMAQI
10th Aug 2026216 AMAQI
10th Aug 2026217 AMAQI
10th Aug 2026238 AMAQI
10th Aug 2026219 AMAQI
10th Aug 20262110 AMAQI
10th Aug 20262111 AMAQI
10th Aug 20262512 PMAQI
10th Aug 2026211 PMAQI
10th Aug 2026232 PMAQI
10th Aug 2026233 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026255 PMAQI
10th Aug 2026236 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026218 PMAQI
10th Aug 2026219 PMAQI
10th Aug 20262110 PMAQI
10th Aug 20262311 PMAQI
11th Aug 20262512 AMAQI
11th Aug 2026271 AMAQI
11th Aug 2026292 AMAQI
11th Aug 2026273 AMAQI
26°C23/30°C
11th Aug 2026314 AMAQI
11th Aug 2026315 AMAQI
11th Aug 2026336 AMAQI
11th Aug 2026317 AMAQI
11th Aug 2026368 AMAQI
11th Aug 2026389 AMAQI
11th Aug 20263610 AMAQI
11th Aug 20263311 AMAQI
11th Aug 20263112 PMAQI
11th Aug 2026291 PMAQI
11th Aug 2026292 PMAQI
11th Aug 2026293 PMAQI
11th Aug 2026294 PMAQI
11th Aug 2026255 PMAQI
11th Aug 2026236 PMAQI
11th Aug 2026217 PMAQI
11th Aug 2026238 PMAQI
11th Aug 2026239 PMAQI
11th Aug 20262110 PMAQI
11th Aug 20262111 PMAQI
12th Aug 20262112 AMAQI
12th Aug 2026211 AMAQI
12th Aug 2026232 AMAQI
12th Aug 2026253 AMAQI
24°C21/28°C
12th Aug 2026214 AMAQI
12th Aug 2026235 AMAQI
12th Aug 2026236 AMAQI
12th Aug 2026237 AMAQI
12th Aug 2026258 AMAQI
12th Aug 2026239 AMAQI
12th Aug 20262110 AMAQI
12th Aug 20262511 AMAQI
12th Aug 20262512 PMAQI
12th Aug 2026231 PMAQI
12th Aug 2026212 PMAQI
12th Aug 2026213 PMAQI
12th Aug 2026234 PMAQI
12th Aug 2026255 PMAQI
12th Aug 2026256 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026258 PMAQI
12th Aug 2026239 PMAQI
12th Aug 20262310 PMAQI
12th Aug 20262311 PMAQI
13th Aug 20262112 AMAQI
13th Aug 2026231 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026213 AMAQI
22°C21/23°C
13th Aug 2026214 AMAQI
13th Aug 2026215 AMAQI
13th Aug 2026216 AMAQI
13th Aug 2026217 AMAQI
13th Aug 2026218 AMAQI
13th Aug 2026239 AMAQI
13th Aug 20262310 AMAQI
13th Aug 20262511 AMAQI
13th Aug 20262512 PMAQI
13th Aug 2026231 PMAQI
13th Aug 2026252 PMAQI
13th Aug 2026233 PMAQI
13th Aug 2026234 PMAQI
13th Aug 2026215 PMAQI
13th Aug 2026216 PMAQI
13th Aug 2026217 PMAQI
13th Aug 2026218 PMAQI
13th Aug 2026219 PMAQI
13th Aug 20262510 PMAQI
13th Aug 20261911 PMAQI
14th Aug 20262312 AMAQI
14th Aug 2026121 AMAQI
14th Aug 2026212 AMAQI
14th Aug 2026143 AMAQI
25°C22/28°C
14th Aug 2026144 AMAQI
14th Aug 2026215 AMAQI
14th Aug 2026216 AMAQI
14th Aug 202687 AMAQI
14th Aug 2026148 AMAQI
14th Aug 2026199 AMAQI
14th Aug 20261010 AMAQI
14th Aug 20261411 AMAQI
14th Aug 20261712 PMAQI
14th Aug 2026171 PMAQI
14th Aug 2026172 PMAQI
14th Aug 2026193 PMAQI
14th Aug 2026214 PMAQI
14th Aug 2026195 PMAQI
14th Aug 2026196 PMAQI
14th Aug 2026177 PMAQI
14th Aug 2026238 PMAQI
14th Aug 2026199 PMAQI
14th Aug 20261710 PMAQI
14th Aug 20261711 PMAQI
15th Aug 20261912 AMAQI
15th Aug 2026141 AMAQI
15th Aug 2026192 AMAQI
15th Aug 2026183 AMAQI
25°C23/28°C
15th Aug 2026234 AMAQI
15th Aug 2026235 AMAQI
15th Aug 2026216 AMAQI
15th Aug 2026237 AMAQI
15th Aug 2026258 AMAQI
15th Aug 2026259 AMAQI
15th Aug 20262510 AMAQI
15th Aug 20262711 AMAQI
15th Aug 20262512 PMAQI
15th Aug 2026251 PMAQI
15th Aug 2026252 PMAQI
15th Aug 2026233 PMAQI
15th Aug 2026234 PMAQI
15th Aug 2026235 PMAQI
15th Aug 2026216 PMAQI
15th Aug 2026257 PMAQI
15th Aug 2026258 PMAQI
15th Aug 2026259 PMAQI
15th Aug 20262910 PMAQI
15th Aug 20262311 PMAQI
16th Aug 20262112 AMAQI
16th Aug 2026211 AMAQI
16th Aug 2026212 AMAQI
16th Aug 2026213 AMAQI
25°C23/30°C
16th Aug 2026214 AMAQI
4 AM16th Aug 2026255 AMAQI
16th Aug 2026216 AMAQI
16th Aug 2026237 AMAQI
16th Aug 2026258 AMAQI
16th Aug 2026259 AMAQI
16th Aug 20262510 AMAQI
16th Aug 20262111 AMAQI
11 AM16th Aug 20262312 PMAQI
16th Aug 2026251 PMAQI
16th Aug 2026232 PMAQI
16th Aug 2026253 PMAQI
16th Aug 2026254 PMAQI
16th Aug 2026235 PMAQI
16th Aug 2026256 PMAQI
6 PM16th Aug 2026257 PMAQI
16th Aug 2026238 PMAQI
16th Aug 2026219 PMAQI
16th Aug 20262510 PMAQI
16th Aug 20262111 PMAQI
11 PM3 AM
25°C23/29°C
Day time
Avg. Highest Time
6 PM
39AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 6 PM (Avg. 39), while the lowest AQI was between 4 AM to 4 AM (Avg. 32).
Night time
Avg. Highest Time
7 PM - 8 PM
41AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
3 AM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 8 PM (Avg. 41), while the lowest AQI was between 3 AM to 3 AM (Avg. 32).
2026 Days Vs Air Quality
Katakuramachi, Hachioji, Tokyo, Japan
2026
82%
188
18%
40
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
188 DaysModerate
40 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 228 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Katakuramachi, Hachioji, Tokyo, 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
26AQI (US)
26AQI (US)
2nd January 2026
14AQI (US)
14AQI (US)
3rd January 2026
13AQI (US)
13AQI (US)
4th January 2026
15AQI (US)
15AQI (US)
5th January 2026
28AQI (US)
28AQI (US)
6th January 2026
23AQI (US)
23AQI (US)
7th January 2026
23AQI (US)
23AQI (US)
8th January 2026
24AQI (US)
24AQI (US)
9th January 2026
19AQI (US)
19AQI (US)
10th January 2026
25AQI (US)
25AQI (US)
11th January 2026
20AQI (US)
20AQI (US)
12th January 2026
15AQI (US)
15AQI (US)
13th January 2026
27AQI (US)
27AQI (US)
14th January 2026
18AQI (US)
18AQI (US)
15th January 2026
40AQI (US)
40AQI (US)
16th January 2026
48AQI (US)
48AQI (US)
17th January 2026
49AQI (US)
49AQI (US)
18th January 2026
38AQI (US)
38AQI (US)
19th January 2026
36AQI (US)
36AQI (US)
20th January 2026
41AQI (US)
41AQI (US)
21st January 2026
16AQI (US)
16AQI (US)
22nd January 2026
30AQI (US)
30AQI (US)
23rd January 2026
52AQI (US)
52AQI (US)
24th January 2026
51AQI (US)
51AQI (US)
25th January 2026
42AQI (US)
42AQI (US)
26th January 2026
28AQI (US)
28AQI (US)
27th January 2026
42AQI (US)
42AQI (US)
28th January 2026
27AQI (US)
27AQI (US)
29th January 2026
26AQI (US)
26AQI (US)
30th January 2026
35AQI (US)
35AQI (US)
31st January 2026
36AQI (US)
36AQI (US)
1st February 2026
43AQI (US)
43AQI (US)
2nd February 2026
55AQI (US)
55AQI (US)
3rd February 2026
32AQI (US)
32AQI (US)
4th February 2026
45AQI (US)
45AQI (US)
5th February 2026
51AQI (US)
51AQI (US)
6th February 2026
41AQI (US)
41AQI (US)
7th February 2026
15AQI (US)
15AQI (US)
8th February 2026
19AQI (US)
19AQI (US)
9th February 2026
38AQI (US)
38AQI (US)
10th February 2026
47AQI (US)
47AQI (US)
11th February 2026
50AQI (US)
50AQI (US)
12th February 2026
36AQI (US)
36AQI (US)
13th February 2026
51AQI (US)
51AQI (US)
14th February 2026
64AQI (US)
64AQI (US)
15th February 2026
52AQI (US)
52AQI (US)
16th February 2026
47AQI (US)
47AQI (US)
17th February 2026
18AQI (US)
18AQI (US)
18th February 2026
33AQI (US)
33AQI (US)
19th February 2026
31AQI (US)
31AQI (US)
20th February 2026
28AQI (US)
28AQI (US)
21st February 2026
48AQI (US)
48AQI (US)
22nd February 2026
44AQI (US)
44AQI (US)
23rd February 2026
41AQI (US)
41AQI (US)
24th February 2026
36AQI (US)
36AQI (US)
25th February 2026
32AQI (US)
32AQI (US)
26th February 2026
9AQI (US)
9AQI (US)
27th February 2026
30AQI (US)
30AQI (US)
28th February 2026
49AQI (US)
49AQI (US)
1st March 2026
49AQI (US)
49AQI (US)
2nd March 2026
82AQI (US)
82AQI (US)
3rd March 2026
49AQI (US)
49AQI (US)
4th March 2026
45AQI (US)
45AQI (US)
5th March 2026
58AQI (US)
58AQI (US)
6th March 2026
52AQI (US)
52AQI (US)
7th March 2026
49AQI (US)
49AQI (US)
8th March 2026
45AQI (US)
45AQI (US)
9th March 2026
52AQI (US)
52AQI (US)
10th March 2026
58AQI (US)
58AQI (US)
11th March 2026
58AQI (US)
58AQI (US)
12th March 2026
72AQI (US)
72AQI (US)
13th March 2026
45AQI (US)
45AQI (US)
14th March 2026
36AQI (US)
36AQI (US)
15th March 2026
16AQI (US)
16AQI (US)
16th March 2026
31AQI (US)
31AQI (US)
17th March 2026
54AQI (US)
54AQI (US)
18th March 2026
57AQI (US)
57AQI (US)
19th March 2026
39AQI (US)
39AQI (US)
20th March 2026
27AQI (US)
27AQI (US)
21st March 2026
50AQI (US)
50AQI (US)
22nd March 2026
54AQI (US)
54AQI (US)
23rd March 2026
54AQI (US)
54AQI (US)
24th March 2026
48AQI (US)
48AQI (US)
25th March 2026
64AQI (US)
64AQI (US)
26th March 2026
20AQI (US)
20AQI (US)
27th March 2026
18AQI (US)
18AQI (US)
28th March 2026
50AQI (US)
50AQI (US)
29th March 2026
53AQI (US)
53AQI (US)
30th March 2026
55AQI (US)
55AQI (US)
31st March 2026
28AQI (US)
28AQI (US)
1st April 2026
24AQI (US)
24AQI (US)
2nd April 2026
36AQI (US)
36AQI (US)
3rd April 2026
45AQI (US)
45AQI (US)
4th April 2026
45AQI (US)
45AQI (US)
5th April 2026
37AQI (US)
37AQI (US)
6th April 2026
28AQI (US)
28AQI (US)
7th April 2026
41AQI (US)
41AQI (US)
8th April 2026
23AQI (US)
23AQI (US)
9th April 2026
32AQI (US)
32AQI (US)
10th April 2026
46AQI (US)
46AQI (US)
11th April 2026
38AQI (US)
38AQI (US)
12th April 2026
33AQI (US)
33AQI (US)
13th April 2026
39AQI (US)
39AQI (US)
14th April 2026
48AQI (US)
48AQI (US)
15th April 2026
44AQI (US)
44AQI (US)
16th April 2026
35AQI (US)
35AQI (US)
17th April 2026
40AQI (US)
40AQI (US)
18th April 2026
35AQI (US)
35AQI (US)
19th April 2026
40AQI (US)
40AQI (US)
20th April 2026
39AQI (US)
39AQI (US)
21st April 2026
39AQI (US)
39AQI (US)
22nd April 2026
45AQI (US)
45AQI (US)
23rd April 2026
37AQI (US)
37AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
46AQI (US)
46AQI (US)
26th April 2026
52AQI (US)
52AQI (US)
27th April 2026
49AQI (US)
49AQI (US)
28th April 2026
42AQI (US)
42AQI (US)
29th April 2026
41AQI (US)
41AQI (US)
30th April 2026
38AQI (US)
38AQI (US)
1st May 2026
47AQI (US)
47AQI (US)
2nd May 2026
49AQI (US)
49AQI (US)
3rd May 2026
44AQI (US)
44AQI (US)
4th May 2026
29AQI (US)
29AQI (US)
5th May 2026
24AQI (US)
24AQI (US)
6th May 2026
34AQI (US)
34AQI (US)
7th May 2026
36AQI (US)
36AQI (US)
8th May 2026
27AQI (US)
27AQI (US)
9th May 2026
28AQI (US)
28AQI (US)
10th May 2026
35AQI (US)
35AQI (US)
11th May 2026
37AQI (US)
37AQI (US)
12th May 2026
41AQI (US)
41AQI (US)
13th May 2026
44AQI (US)
44AQI (US)
14th May 2026
43AQI (US)
43AQI (US)
15th May 2026
48AQI (US)
48AQI (US)
16th May 2026
86AQI (US)
86AQI (US)
17th May 2026
68AQI (US)
68AQI (US)
18th May 2026
54AQI (US)
54AQI (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
59AQI (US)
59AQI (US)
23rd May 2026
54AQI (US)
54AQI (US)
24th May 2026
58AQI (US)
58AQI (US)
25th May 2026
47AQI (US)
47AQI (US)
26th May 2026
40AQI (US)
40AQI (US)
27th May 2026
25AQI (US)
25AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
25AQI (US)
25AQI (US)
30th May 2026
24AQI (US)
24AQI (US)
31st May 2026
28AQI (US)
28AQI (US)
1st June 2026
31AQI (US)
31AQI (US)
2nd June 2026
33AQI (US)
33AQI (US)
3rd June 2026
21AQI (US)
21AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
23AQI (US)
23AQI (US)
7th June 2026
22AQI (US)
22AQI (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
24AQI (US)
24AQI (US)
12th June 2026
24AQI (US)
24AQI (US)
13th June 2026
28AQI (US)
28AQI (US)
14th June 2026
26AQI (US)
26AQI (US)
15th June 2026
17AQI (US)
17AQI (US)
16th June 2026
20AQI (US)
20AQI (US)
17th June 2026
24AQI (US)
24AQI (US)
18th June 2026
25AQI (US)
25AQI (US)
19th June 2026
30AQI (US)
30AQI (US)
20th June 2026
22AQI (US)
22AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
19AQI (US)
19AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
21AQI (US)
21AQI (US)
25th June 2026
23AQI (US)
23AQI (US)
26th June 2026
28AQI (US)
28AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
27AQI (US)
27AQI (US)
30th June 2026
38AQI (US)
38AQI (US)
1st July 2026
54AQI (US)
54AQI (US)
2nd July 2026
18AQI (US)
18AQI (US)
3rd July 2026
18AQI (US)
18AQI (US)
4th July 2026
46AQI (US)
46AQI (US)
5th July 2026
16AQI (US)
16AQI (US)
6th July 2026
30AQI (US)
30AQI (US)
7th July 2026
25AQI (US)
25AQI (US)
8th July 2026
25AQI (US)
25AQI (US)
9th July 2026
24AQI (US)
24AQI (US)
10th July 2026
27AQI (US)
27AQI (US)
11th July 2026
27AQI (US)
27AQI (US)
12th July 2026
27AQI (US)
27AQI (US)
13th July 2026
28AQI (US)
28AQI (US)
14th July 2026
28AQI (US)
28AQI (US)
15th July 2026
40AQI (US)
40AQI (US)
16th July 2026
77AQI (US)
77AQI (US)
17th July 2026
60AQI (US)
60AQI (US)
18th July 2026
25AQI (US)
25AQI (US)
19th July 2026
17AQI (US)
17AQI (US)
20th July 2026
31AQI (US)
31AQI (US)
21st July 2026
62AQI (US)
62AQI (US)
22nd July 2026
74AQI (US)
74AQI (US)
23rd July 2026
70AQI (US)
70AQI (US)
24th July 2026
50AQI (US)
50AQI (US)
25th July 2026
54AQI (US)
54AQI (US)
26th July 2026
26AQI (US)
26AQI (US)
27th July 2026
26AQI (US)
26AQI (US)
28th July 2026
32AQI (US)
32AQI (US)
29th July 2026
27AQI (US)
27AQI (US)
30th July 2026
35AQI (US)
35AQI (US)
31st July 2026
66AQI (US)
66AQI (US)
1st August 2026
69AQI (US)
69AQI (US)
2nd August 2026
60AQI (US)
60AQI (US)
3rd August 2026
15AQI (US)
15AQI (US)
4th August 2026
27AQI (US)
27AQI (US)
5th August 2026
27AQI (US)
27AQI (US)
6th August 2026
23AQI (US)
23AQI (US)
7th August 2026
24AQI (US)
24AQI (US)
8th August 2026
24AQI (US)
24AQI (US)
9th August 2026
26AQI (US)
26AQI (US)
10th August 2026
23AQI (US)
23AQI (US)
11th August 2026
28AQI (US)
28AQI (US)
12th August 2026
23AQI (US)
23AQI (US)
13th August 2026
22AQI (US)
22AQI (US)
14th August 2026
17AQI (US)
17AQI (US)
15th August 2026
23AQI (US)
23AQI (US)
16th August 2026
23AQI (US)
23AQI (US)
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
30AQI (US)
39AQI (US)
47AQI (US)
39AQI (US)
43AQI (US)
24AQI (US)
38AQI (US)
28AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202637AQI (US)
29
2
23
5
17
14
29
1
23
8
30
23
8
14
2
188
40
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202534AQI (US)
31
28
29
2
30
31
30
24
7
22
9
28
2
18
13
23
7
26
5
320
45
Highest AQI (US) recorded in
July48AQI (US)
Lowest AQI (US) recorded in
April20AQI (US)
202432AQI (US)
30
29
28
3
21
9
27
4
29
1
25
6
27
4
29
1
31
30
31
337
28
Highest AQI (US) recorded in
April45AQI (US)
Lowest AQI (US) recorded in
December24AQI (US)
202336AQI (US)
30
1
26
2
30
1
23
7
28
3
25
5
21
10
29
2
27
3
31
25
4
30
1
325
39
Highest AQI (US) recorded in
July46AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202231AQI (US)
31
20
1
26
5
20
10
30
1
29
1
19
4
1
25
31
29
1
31
291
24
Highest AQI (US) recorded in
August63AQI (US)
Lowest AQI (US) recorded in
January20AQI (US)
202120AQI (US)
31
28
30
1
30
30
1
28
2
31
29
2
30
31
30
31
359
6
Highest AQI (US) recorded in
June33AQI (US)
Lowest AQI (US) recorded in
January10AQI (US)
202014AQI (US)
13
21
18
30
31
31
19
31
30
31
255
Highest AQI (US) recorded in
August24AQI (US)
Lowest AQI (US) recorded in
April9AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2026(Avg.)
37AQI (US)Least Polluted Year Recorded
2020(Avg.)
14AQI (US)Katakuramachi's annual 2026 AQI (US) (37) shows an average percentage change of 49.3% (worsened AQI (US)) compared to previous years: 2020 (14), 2021 (20), 2022 (31), 2023 (36), 2024 (32), 2025 (34).
