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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Dairakujimachi, 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

Dairakujimachi, Hachioji, Tokyo, Japan

2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2026
68AQI
Lowest AQI recorded on
3rd Aug 2026
12AQI

Same Day Analysis (17th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 25 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 17th Aug - 18th Aug 2026

Dairakujimachi, Hachioji, Tokyo, Japan

AQI
Day
Night
.

4 AM17th Aug 2026

6 PM

3 AM18th Aug 2026

Day time
Avg. Highest Time
12PM17th Aug

33AQI

Avg. Lowest Time
6PM17th Aug

21AQI

Night time
Avg. Highest Time
10PM17th Aug

29AQI

Avg. Lowest Time
3AM18th Aug

21AQI

In the last 24 hours,

Dairakujimachi's AQI reached its highest point of 33 at 12 PM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Dairakujimachi, Hachioji, Tokyo, Japan

JulAug
20th - 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 - 17th17th - 18th18th
Day
Night
20th Jul 2026234 AMAQI
20th Jul 2026215 AMAQI
20th Jul 2026216 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026279 AMAQI
20th Jul 20263310 AMAQI
20th Jul 20263311 AMAQI
20th Jul 20263312 PMAQI
20th Jul 2026361 PMAQI
20th Jul 2026332 PMAQI
20th Jul 2026383 PMAQI
20th Jul 2026364 PMAQI
20th Jul 2026425 PMAQI
20th Jul 2026466 PMAQI
20th Jul 2026507 PMAQI
20th Jul 2026448 PMAQI
20th Jul 2026449 PMAQI
20th Jul 20264010 PMAQI
20th Jul 20264211 PMAQI
21st Jul 20264812 AMAQI
21st Jul 2026501 AMAQI
21st Jul 2026462 AMAQI
21st Jul 2026503 AMAQI

30°C25/35°C

21st Jul 2026514 AMAQI
21st Jul 2026585 AMAQI
21st Jul 2026656 AMAQI
21st Jul 2026647 AMAQI
21st Jul 2026628 AMAQI
21st Jul 2026639 AMAQI
21st Jul 20265810 AMAQI
21st Jul 20265811 AMAQI
21st Jul 2026621 PMAQI
21st Jul 2026622 PMAQI
21st Jul 2026603 PMAQI
21st Jul 2026644 PMAQI
21st Jul 2026605 PMAQI
21st Jul 2026596 PMAQI
21st Jul 2026967 PMAQI
21st Jul 2026628 PMAQI
21st Jul 2026599 PMAQI
21st Jul 20266010 PMAQI
21st Jul 20265611 PMAQI
22nd Jul 20266412 AMAQI
22nd Jul 2026661 AMAQI
22nd Jul 2026672 AMAQI
22nd Jul 2026643 AMAQI

31°C26/36°C

22nd Jul 2026624 AMAQI
22nd Jul 2026695 AMAQI
22nd Jul 2026676 AMAQI
22nd Jul 2026707 AMAQI
22nd Jul 2026768 AMAQI
22nd Jul 2026699 AMAQI
22nd Jul 20267010 AMAQI
22nd Jul 20267411 AMAQI
22nd Jul 20267412 PMAQI
22nd Jul 2026761 PMAQI
22nd Jul 2026702 PMAQI
22nd Jul 2026753 PMAQI
22nd Jul 2026764 PMAQI
22nd Jul 2026715 PMAQI
22nd Jul 2026766 PMAQI
22nd Jul 2026687 PMAQI
22nd Jul 2026768 PMAQI
22nd Jul 2026719 PMAQI
22nd Jul 20267110 PMAQI
22nd Jul 20267611 PMAQI
23rd Jul 20267812 AMAQI
23rd Jul 2026761 AMAQI
23rd Jul 2026642 AMAQI
23rd Jul 2026503 AMAQI

31°C26/36°C

23rd Jul 2026494 AMAQI
23rd Jul 2026565 AMAQI
23rd Jul 2026626 AMAQI
23rd Jul 2026637 AMAQI
23rd Jul 2026688 AMAQI
23rd Jul 2026819 AMAQI
23rd Jul 20267610 AMAQI
23rd Jul 20266911 AMAQI
23rd Jul 20266312 PMAQI
23rd Jul 2026601 PMAQI
23rd Jul 2026582 PMAQI
23rd Jul 2026633 PMAQI
23rd Jul 2026684 PMAQI
23rd Jul 2026745 PMAQI
23rd Jul 2026806 PMAQI
23rd Jul 2026747 PMAQI
23rd Jul 2026748 PMAQI
23rd Jul 2026689 PMAQI
23rd Jul 20265610 PMAQI
23rd Jul 20265211 PMAQI
24th Jul 20265112 AMAQI
24th Jul 2026381 AMAQI
24th Jul 2026562 AMAQI
24th Jul 2026693 AMAQI

30°C26/36°C

24th Jul 2026704 AMAQI
24th Jul 2026535 AMAQI
24th Jul 2026536 AMAQI
24th Jul 2026427 AMAQI
24th Jul 2026318 AMAQI
24th Jul 2026339 AMAQI
24th Jul 20263310 AMAQI
24th Jul 20264411 AMAQI
24th Jul 20265712 PMAQI
24th Jul 2026741 PMAQI
24th Jul 2026722 PMAQI
24th Jul 2026763 PMAQI
24th Jul 2026694 PMAQI
24th Jul 2026695 PMAQI
24th Jul 2026606 PMAQI
24th Jul 2026537 PMAQI
24th Jul 2026518 PMAQI
24th Jul 2026489 PMAQI
24th Jul 20264810 PMAQI
24th Jul 20265611 PMAQI
25th Jul 20264812 AMAQI
25th Jul 2026561 AMAQI
25th Jul 2026552 AMAQI
25th Jul 2026563 AMAQI

29°C26/32°C

25th Jul 2026574 AMAQI
25th Jul 2026585 AMAQI
25th Jul 2026586 AMAQI
25th Jul 2026587 AMAQI
25th Jul 2026558 AMAQI
25th Jul 2026569 AMAQI
25th Jul 20265510 AMAQI
25th Jul 20266411 AMAQI
25th Jul 20267312 PMAQI
25th Jul 2026511 PMAQI
25th Jul 2026482 PMAQI
25th Jul 2026423 PMAQI
25th Jul 2026464 PMAQI
25th Jul 2026335 PMAQI
25th Jul 2026176 PMAQI
25th Jul 2026367 PMAQI
25th Jul 2026658 PMAQI
25th Jul 2026389 PMAQI
25th Jul 20263110 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20262112 AMAQI
26th Jul 2026141 AMAQI
26th Jul 2026162 AMAQI
26th Jul 2026143 AMAQI

28°C25/33°C

26th Jul 2026174 AMAQI
26th Jul 2026235 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026237 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026219 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262911 AMAQI
26th Jul 20263312 PMAQI
26th Jul 2026331 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026333 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026195 PMAQI
26th Jul 2026176 PMAQI
26th Jul 2026147 PMAQI
26th Jul 2026238 PMAQI
26th Jul 202659 PMAQI
26th Jul 2026510 PMAQI
26th Jul 20261211 PMAQI
27th Jul 20261212 AMAQI
27th Jul 2026121 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026213 AMAQI

26°C24/30°C

27th Jul 2026254 AMAQI
27th Jul 2026255 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026237 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026239 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20262511 AMAQI
27th Jul 20262512 PMAQI
27th Jul 2026271 PMAQI
27th Jul 2026272 PMAQI
27th Jul 2026273 PMAQI
27th Jul 2026314 PMAQI
27th Jul 2026235 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026337 PMAQI
27th Jul 2026318 PMAQI
27th Jul 2026339 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20263111 PMAQI
28th Jul 20263612 AMAQI
28th Jul 2026291 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026253 AMAQI

26°C22/30°C

28th Jul 2026294 AMAQI
28th Jul 2026255 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20262910 AMAQI
28th Jul 20263111 AMAQI
28th Jul 20262912 PMAQI
28th Jul 2026311 PMAQI
28th Jul 2026362 PMAQI
28th Jul 2026333 PMAQI
28th Jul 2026334 PMAQI
28th Jul 2026295 PMAQI
28th Jul 2026276 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026338 PMAQI
28th Jul 2026389 PMAQI
28th Jul 20263610 PMAQI
28th Jul 20263311 PMAQI
29th Jul 20263312 AMAQI
29th Jul 2026401 AMAQI
29th Jul 2026382 AMAQI
29th Jul 2026293 AMAQI

25°C23/29°C

29th Jul 2026334 AMAQI
29th Jul 2026315 AMAQI
29th Jul 2026276 AMAQI
29th Jul 2026297 AMAQI
29th Jul 2026278 AMAQI
29th Jul 2026219 AMAQI
29th Jul 20262310 AMAQI
29th Jul 20262311 AMAQI
29th Jul 20262112 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026233 AMAQI

27°C21/33°C

30th Jul 2026234 AMAQI
30th Jul 2026215 AMAQI
30th Jul 2026236 AMAQI
30th Jul 2026237 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026279 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20262711 AMAQI
30th Jul 20262912 PMAQI
30th Jul 2026271 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026313 PMAQI
30th Jul 2026334 PMAQI
30th Jul 2026365 PMAQI
30th Jul 2026496 PMAQI
30th Jul 2026507 PMAQI
30th Jul 2026528 PMAQI
30th Jul 2026529 PMAQI
30th Jul 20264210 PMAQI
30th Jul 20264811 PMAQI
31st Jul 20266512 AMAQI
31st Jul 2026641 AMAQI
31st Jul 2026662 AMAQI
31st Jul 2026643 AMAQI

29°C24/34°C

31st Jul 2026604 AMAQI
31st Jul 2026605 AMAQI
31st Jul 2026676 AMAQI
31st Jul 2026637 AMAQI
31st Jul 2026648 AMAQI
31st Jul 2026659 AMAQI
31st Jul 20265810 AMAQI
31st Jul 20265911 AMAQI
31st Jul 20265812 PMAQI
31st Jul 2026501 PMAQI
31st Jul 2026562 PMAQI
31st Jul 2026533 PMAQI
31st Jul 2026564 PMAQI
31st Jul 2026635 PMAQI
31st Jul 2026566 PMAQI
31st Jul 2026647 PMAQI
31st Jul 2026648 PMAQI
31st Jul 2026639 PMAQI
31st Jul 20266510 PMAQI
31st Jul 20266511 PMAQI
1st Aug 20266912 AMAQI
1st Aug 2026651 AMAQI
1st Aug 2026712 AMAQI
1st Aug 2026623 AMAQI

28°C24/34°C

1st Aug 2026624 AMAQI
1st Aug 2026605 AMAQI
1st Aug 2026626 AMAQI
1st Aug 2026647 AMAQI
1st Aug 2026678 AMAQI
1st Aug 2026699 AMAQI
1st Aug 20266510 AMAQI
1st Aug 20266911 AMAQI
1st Aug 20266512 PMAQI
1st Aug 2026661 PMAQI
1st Aug 2026602 PMAQI
1st Aug 2026583 PMAQI
1st Aug 2026604 PMAQI
1st Aug 2026745 PMAQI
1st Aug 2026796 PMAQI
1st Aug 2026767 PMAQI
1st Aug 2026798 PMAQI
1st Aug 2026869 PMAQI
1st Aug 20267410 PMAQI
1st Aug 20267911 PMAQI
2nd Aug 20267612 AMAQI
2nd Aug 2026731 AMAQI
2nd Aug 2026482 AMAQI
2nd Aug 2026443 AMAQI

29°C25/35°C

2nd Aug 2026404 AMAQI
2nd Aug 2026445 AMAQI
2nd Aug 2026466 AMAQI
2nd Aug 2026427 AMAQI
2nd Aug 2026468 AMAQI
2nd Aug 2026539 AMAQI
2nd Aug 20264010 AMAQI
2nd Aug 20265111 AMAQI
2nd Aug 20264412 PMAQI
2nd Aug 2026421 PMAQI
2nd Aug 2026422 PMAQI
2nd Aug 2026333 PMAQI
2nd Aug 2026464 PMAQI
2nd Aug 2026485 PMAQI
2nd Aug 2026816 PMAQI
2nd Aug 2026647 PMAQI
2nd Aug 2026318 PMAQI
2nd Aug 2026199 PMAQI
2nd Aug 20261710 PMAQI
2nd Aug 20261211 PMAQI
3rd Aug 20261212 AMAQI
3rd Aug 2026141 AMAQI
3rd Aug 202672 AMAQI
3rd Aug 202663 AMAQI

29°C24/35°C

3rd Aug 202674 AMAQI
3rd Aug 202655 AMAQI
3rd Aug 202656 AMAQI
3rd Aug 202667 AMAQI
3rd Aug 2026108 AMAQI
3rd Aug 2026129 AMAQI
3rd Aug 20261210 AMAQI
3rd Aug 20261011 AMAQI
3rd Aug 2026512 PMAQI
3rd Aug 202661 PMAQI
3rd Aug 202682 PMAQI
3rd Aug 2026123 PMAQI
3rd Aug 2026124 PMAQI
3rd Aug 2026185 PMAQI
3rd Aug 2026196 PMAQI
3rd Aug 2026177 PMAQI
3rd Aug 2026218 PMAQI
3rd Aug 2026219 PMAQI
3rd Aug 20262910 PMAQI
3rd Aug 20262511 PMAQI
4th Aug 20261412 AMAQI
4th Aug 2026141 AMAQI
4th Aug 2026142 AMAQI
4th Aug 2026143 AMAQI

23°C22/24°C

4th Aug 2026164 AMAQI
4th Aug 2026235 AMAQI
4th Aug 2026256 AMAQI
4th Aug 2026217 AMAQI
4th Aug 2026238 AMAQI
4th Aug 2026239 AMAQI
4th Aug 20262110 AMAQI
4th Aug 20262511 AMAQI
4th Aug 20262512 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026272 PMAQI
4th Aug 2026293 PMAQI
4th Aug 2026294 PMAQI
4th Aug 2026365 PMAQI
4th Aug 2026366 PMAQI
4th Aug 2026407 PMAQI
4th Aug 2026258 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026291 AMAQI
5th Aug 2026272 AMAQI
5th Aug 2026273 AMAQI

24°C20/29°C

5th Aug 2026254 AMAQI
5th Aug 2026255 AMAQI
5th Aug 2026276 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026258 AMAQI
5th Aug 2026259 AMAQI
5th Aug 20262710 AMAQI
5th Aug 20262711 AMAQI
5th Aug 20262512 PMAQI
5th Aug 2026291 PMAQI
5th Aug 2026272 PMAQI
5th Aug 2026273 PMAQI
5th Aug 2026254 PMAQI
5th Aug 2026295 PMAQI
5th Aug 2026276 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026278 PMAQI
5th Aug 2026279 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20263111 PMAQI
6th Aug 20262912 AMAQI
6th Aug 2026271 AMAQI
6th Aug 2026272 AMAQI
6th Aug 2026293 AMAQI

25°C20/30°C

6th Aug 2026294 AMAQI
6th Aug 2026275 AMAQI
6th Aug 2026276 AMAQI
6th Aug 2026297 AMAQI
6th Aug 2026298 AMAQI
6th Aug 2026279 AMAQI
6th Aug 20262710 AMAQI
6th Aug 20262711 AMAQI
6th Aug 20262712 PMAQI
6th Aug 2026291 PMAQI
6th Aug 2026272 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026236 PMAQI
6th Aug 2026237 PMAQI
6th Aug 2026218 PMAQI
6th Aug 2026239 PMAQI
6th Aug 20262110 PMAQI
6th Aug 20262111 PMAQI
7th Aug 20262312 AMAQI
7th Aug 2026231 AMAQI
7th Aug 2026212 AMAQI
7th Aug 2026233 AMAQI

28°C25/32°C

7th Aug 2026214 AMAQI
7th Aug 2026275 AMAQI
7th Aug 2026256 AMAQI
7th Aug 2026257 AMAQI
7th Aug 2026238 AMAQI
7th Aug 2026219 AMAQI
7th Aug 20262110 AMAQI
7th Aug 20263811 AMAQI
7th Aug 20263412 PMAQI
7th Aug 2026401 PMAQI
7th Aug 2026382 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026214 PMAQI
7th Aug 2026235 PMAQI
7th Aug 2026216 PMAQI
7th Aug 2026217 PMAQI
7th Aug 2026218 PMAQI
7th Aug 2026219 PMAQI
7th Aug 20262510 PMAQI
7th Aug 20262111 PMAQI
8th Aug 20262312 AMAQI
8th Aug 2026211 AMAQI
8th Aug 2026232 AMAQI
8th Aug 2026253 AMAQI

28°C24/33°C

8th Aug 2026254 AMAQI
8th Aug 2026255 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026237 AMAQI
8th Aug 2026278 AMAQI
8th Aug 2026259 AMAQI
8th Aug 20262110 AMAQI
8th Aug 20262111 AMAQI
8th Aug 20262112 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026212 PMAQI
8th Aug 2026213 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026236 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026218 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20262110 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20262112 AMAQI
9th Aug 2026211 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026253 AMAQI

27°C24/32°C

9th Aug 2026254 AMAQI
9th Aug 2026255 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026339 AMAQI
9th Aug 20262910 AMAQI
9th Aug 20262911 AMAQI
9th Aug 20262112 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026212 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026214 PMAQI
9th Aug 2026235 PMAQI
9th Aug 2026256 PMAQI
9th Aug 2026277 PMAQI
9th Aug 2026298 PMAQI
9th Aug 2026319 PMAQI
9th Aug 20263110 PMAQI
9th Aug 20262111 PMAQI
10th Aug 20262112 AMAQI
10th Aug 2026211 AMAQI
10th Aug 2026212 AMAQI
10th Aug 2026213 AMAQI

27°C23/32°C

10th Aug 2026234 AMAQI
10th Aug 2026235 AMAQI
10th Aug 2026236 AMAQI
10th Aug 2026277 AMAQI
10th Aug 2026218 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20262310 AMAQI
10th Aug 20262911 AMAQI
10th Aug 20262112 PMAQI
10th Aug 2026211 PMAQI
10th Aug 2026232 PMAQI
10th Aug 2026233 PMAQI
10th Aug 2026214 PMAQI
10th Aug 2026235 PMAQI
10th Aug 2026216 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026218 PMAQI
10th Aug 2026219 PMAQI
10th Aug 20262110 PMAQI
10th Aug 20262311 PMAQI
11th Aug 20262312 AMAQI
11th Aug 2026251 AMAQI
11th Aug 2026292 AMAQI
11th Aug 2026273 AMAQI

26°C23/30°C

11th Aug 2026314 AMAQI
11th Aug 2026295 AMAQI
11th Aug 2026296 AMAQI
11th Aug 2026297 AMAQI
11th Aug 2026338 AMAQI
11th Aug 2026339 AMAQI
11th Aug 20263110 AMAQI
11th Aug 20263111 AMAQI
11th Aug 20262912 PMAQI
11th Aug 2026291 PMAQI
11th Aug 2026272 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026274 PMAQI
11th Aug 2026215 PMAQI
11th Aug 2026236 PMAQI
11th Aug 2026217 PMAQI
11th Aug 2026218 PMAQI
11th Aug 2026219 PMAQI
11th Aug 20262110 PMAQI
11th Aug 20262111 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026231 AMAQI
12th Aug 2026212 AMAQI
12th Aug 2026233 AMAQI

23°C21/28°C

12th Aug 2026274 AMAQI
12th Aug 2026235 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026237 AMAQI
12th Aug 2026258 AMAQI
12th Aug 2026219 AMAQI
12th Aug 20262110 AMAQI
12th Aug 20262111 AMAQI
12th Aug 20262312 PMAQI
12th Aug 2026231 PMAQI
12th Aug 2026212 PMAQI
12th Aug 2026213 PMAQI
12th Aug 2026254 PMAQI
12th Aug 2026275 PMAQI
12th Aug 2026256 PMAQI
12th Aug 2026237 PMAQI
12th Aug 2026238 PMAQI
12th Aug 2026239 PMAQI
12th Aug 20262310 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20262312 AMAQI
13th Aug 2026231 AMAQI
13th Aug 2026232 AMAQI
13th Aug 2026213 AMAQI

22°C21/23°C

13th Aug 2026214 AMAQI
13th Aug 2026215 AMAQI
13th Aug 2026236 AMAQI
13th Aug 2026237 AMAQI
13th Aug 2026258 AMAQI
13th Aug 2026279 AMAQI
13th Aug 20262510 AMAQI
13th Aug 20262511 AMAQI
13th Aug 20262712 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 20262311 PMAQI
14th Aug 20262512 AMAQI
14th Aug 2026121 AMAQI
14th Aug 2026252 AMAQI
14th Aug 2026183 AMAQI

24°C21/28°C

14th Aug 2026164 AMAQI
14th Aug 2026215 AMAQI
14th Aug 2026216 AMAQI
14th Aug 202687 AMAQI
14th Aug 2026148 AMAQI
14th Aug 2026219 AMAQI
14th Aug 20261610 AMAQI
14th Aug 20262111 AMAQI
14th Aug 20262312 PMAQI
14th Aug 2026251 PMAQI
14th Aug 2026252 PMAQI
14th Aug 2026213 PMAQI
14th Aug 2026254 PMAQI
14th Aug 2026215 PMAQI
14th Aug 2026196 PMAQI
14th Aug 2026217 PMAQI
14th Aug 2026258 PMAQI
14th Aug 2026199 PMAQI
14th Aug 20261910 PMAQI
14th Aug 20261911 PMAQI
15th Aug 20261712 AMAQI
15th Aug 2026141 AMAQI
15th Aug 2026232 AMAQI
15th Aug 2026143 AMAQI

25°C22/28°C

15th Aug 2026234 AMAQI
15th Aug 2026235 AMAQI
15th Aug 2026236 AMAQI
15th Aug 2026257 AMAQI
15th Aug 2026258 AMAQI
15th Aug 2026259 AMAQI
15th Aug 20262910 AMAQI
15th Aug 20262711 AMAQI
15th Aug 20262512 PMAQI
15th Aug 2026291 PMAQI
15th Aug 2026252 PMAQI
15th Aug 2026273 PMAQI
15th Aug 2026234 PMAQI
15th Aug 2026235 PMAQI
15th Aug 2026426 PMAQI
15th Aug 2026257 PMAQI
15th Aug 2026258 PMAQI
15th Aug 2026259 PMAQI
15th Aug 20262910 PMAQI
15th Aug 20262511 PMAQI
16th Aug 20262912 AMAQI
16th Aug 2026251 AMAQI
16th Aug 2026272 AMAQI
16th Aug 2026253 AMAQI

25°C22/29°C

16th Aug 2026234 AMAQI
16th Aug 2026255 AMAQI
16th Aug 2026236 AMAQI
16th Aug 2026237 AMAQI
16th Aug 2026258 AMAQI
16th Aug 2026259 AMAQI
16th Aug 20262510 AMAQI
16th Aug 20262111 AMAQI
16th Aug 20262512 PMAQI
16th Aug 2026271 PMAQI
16th Aug 2026252 PMAQI
16th Aug 2026233 PMAQI
16th Aug 2026214 PMAQI
16th Aug 2026215 PMAQI
16th Aug 2026216 PMAQI
16th Aug 2026257 PMAQI
16th Aug 2026218 PMAQI
16th Aug 2026219 PMAQI
16th Aug 20262510 PMAQI
16th Aug 20262111 PMAQI
17th Aug 20262912 AMAQI
17th Aug 2026231 AMAQI
17th Aug 2026232 AMAQI
17th Aug 2026213 AMAQI

25°C22/28°C

17th Aug 2026234 AMAQI
17th Aug 2026255 AMAQI
17th Aug 2026256 AMAQI
17th Aug 2026237 AMAQI
17th Aug 2026258 AMAQI
17th Aug 2026219 AMAQI
17th Aug 20262910 AMAQI
17th Aug 20263111 AMAQI
17th Aug 20263312 PMAQI
17th Aug 2026291 PMAQI
17th Aug 2026212 PMAQI
17th Aug 2026253 PMAQI
17th Aug 2026294 PMAQI
17th Aug 2026275 PMAQI
17th Aug 2026216 PMAQI
17th Aug 2026217 PMAQI
17th Aug 2026238 PMAQI
17th Aug 2026259 PMAQI
17th Aug 20262910 PMAQI
17th Aug 20262111 PMAQI
18th Aug 20262112 AMAQI
18th Aug 2026211 AMAQI
18th Aug 2026212 AMAQI
18th Aug 2026213 AMAQI

13°C10/16°C

18th Aug 2026214 AMAQI
4 AM
18th Aug 2026235 AMAQI
18th Aug 2026236 AMAQI
18th Aug 2026237 AMAQI
18th Aug 2026258 AMAQI
18th Aug 2026259 AMAQI
18th Aug 20262510 AMAQI
18th Aug 20262711 AMAQI
11 AM
18th Aug 20262312 PMAQI
18th Aug 2026211 PMAQI
18th Aug 2026232 PMAQI
18th Aug 2026233 PMAQI
18th Aug 2026254 PMAQI
18th Aug 2026215 PMAQI
18th Aug 2026216 PMAQI
6 PM
18th Aug 2026217 PMAQI
18th Aug 2026238 PMAQI
18th Aug 2026239 PMAQI
18th Aug 20262510 PMAQI
18th Aug 20262711 PMAQI
11 PM
3 AM

24°C22/29°C

Day time
Avg. Highest Time
11 AM

36AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM - 5 AM

32AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 36), while the lowest AQI was between 4 AM to 5 AM (Avg. 32).
Night time
Avg. Highest Time
7 PM - 8 PM

37AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
3 AM

31AQI

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. 37), while the lowest AQI was between 3 AM to 3 AM (Avg. 31).

2026 Days Vs Air Quality

Dairakujimachi, Hachioji, Tokyo, Japan

2026

82%

187

18%

42

Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)

Good
187 Days
Moderate
42 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 82%

Health Risk Level:

Low

In 2026, 82% of 230 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

Dairakujimachi, 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
29AQI (US)
2nd January 2026
20AQI (US)
3rd January 2026
15AQI (US)
4th January 2026
19AQI (US)
5th January 2026
32AQI (US)
6th January 2026
23AQI (US)
7th January 2026
30AQI (US)
8th January 2026
28AQI (US)
9th January 2026
23AQI (US)
10th January 2026
27AQI (US)
11th January 2026
22AQI (US)
12th January 2026
17AQI (US)
13th January 2026
24AQI (US)
14th January 2026
20AQI (US)
15th January 2026
41AQI (US)
16th January 2026
52AQI (US)
17th January 2026
47AQI (US)
18th January 2026
39AQI (US)
19th January 2026
39AQI (US)
20th January 2026
41AQI (US)
21st January 2026
20AQI (US)
22nd January 2026
32AQI (US)
23rd January 2026
52AQI (US)
24th January 2026
51AQI (US)
25th January 2026
42AQI (US)
26th January 2026
28AQI (US)
27th January 2026
42AQI (US)
28th January 2026
27AQI (US)
29th January 2026
25AQI (US)
30th January 2026
35AQI (US)
31st January 2026
35AQI (US)
1st February 2026
43AQI (US)
2nd February 2026
56AQI (US)
3rd February 2026
30AQI (US)
4th February 2026
46AQI (US)
5th February 2026
51AQI (US)
6th February 2026
44AQI (US)
7th February 2026
16AQI (US)
8th February 2026
20AQI (US)
9th February 2026
41AQI (US)
10th February 2026
46AQI (US)
11th February 2026
50AQI (US)
12th February 2026
36AQI (US)
13th February 2026
51AQI (US)
14th February 2026
64AQI (US)
15th February 2026
53AQI (US)
16th February 2026
48AQI (US)
17th February 2026
19AQI (US)
18th February 2026
34AQI (US)
19th February 2026
31AQI (US)
20th February 2026
28AQI (US)
21st February 2026
48AQI (US)
22nd February 2026
44AQI (US)
23rd February 2026
42AQI (US)
24th February 2026
36AQI (US)
25th February 2026
35AQI (US)
26th February 2026
11AQI (US)
27th February 2026
30AQI (US)
28th February 2026
49AQI (US)
1st March 2026
50AQI (US)
2nd March 2026
82AQI (US)
3rd March 2026
50AQI (US)
4th March 2026
43AQI (US)
5th March 2026
58AQI (US)
6th March 2026
53AQI (US)
7th March 2026
50AQI (US)
8th March 2026
45AQI (US)
9th March 2026
52AQI (US)
10th March 2026
59AQI (US)
11th March 2026
59AQI (US)
12th March 2026
74AQI (US)
13th March 2026
46AQI (US)
14th March 2026
37AQI (US)
15th March 2026
15AQI (US)
16th March 2026
31AQI (US)
17th March 2026
54AQI (US)
18th March 2026
58AQI (US)
19th March 2026
40AQI (US)
20th March 2026
32AQI (US)
21st March 2026
54AQI (US)
22nd March 2026
52AQI (US)
23rd March 2026
54AQI (US)
24th March 2026
49AQI (US)
25th March 2026
65AQI (US)
26th March 2026
22AQI (US)
27th March 2026
17AQI (US)
28th March 2026
52AQI (US)
29th March 2026
54AQI (US)
30th March 2026
56AQI (US)
31st March 2026
27AQI (US)
1st April 2026
16AQI (US)
2nd April 2026
34AQI (US)
3rd April 2026
46AQI (US)
4th April 2026
46AQI (US)
5th April 2026
37AQI (US)
6th April 2026
28AQI (US)
7th April 2026
36AQI (US)
8th April 2026
23AQI (US)
9th April 2026
33AQI (US)
10th April 2026
47AQI (US)
11th April 2026
38AQI (US)
12th April 2026
37AQI (US)
13th April 2026
38AQI (US)
14th April 2026
48AQI (US)
15th April 2026
44AQI (US)
16th April 2026
36AQI (US)
17th April 2026
40AQI (US)
18th April 2026
35AQI (US)
19th April 2026
41AQI (US)
20th April 2026
39AQI (US)
21st April 2026
40AQI (US)
22nd April 2026
46AQI (US)
23rd April 2026
37AQI (US)
24th April 2026
33AQI (US)
25th April 2026
46AQI (US)
26th April 2026
52AQI (US)
27th April 2026
49AQI (US)
28th April 2026
42AQI (US)
29th April 2026
42AQI (US)
30th April 2026
39AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
50AQI (US)
3rd May 2026
44AQI (US)
4th May 2026
28AQI (US)
5th May 2026
23AQI (US)
6th May 2026
35AQI (US)
7th May 2026
36AQI (US)
8th May 2026
28AQI (US)
9th May 2026
28AQI (US)
10th May 2026
36AQI (US)
11th May 2026
37AQI (US)
12th May 2026
41AQI (US)
13th May 2026
45AQI (US)
14th May 2026
42AQI (US)
15th May 2026
44AQI (US)
16th May 2026
86AQI (US)
17th May 2026
70AQI (US)
18th May 2026
54AQI (US)
19th May 2026
49AQI (US)
20th May 2026
61AQI (US)
21st May 2026
58AQI (US)
22nd May 2026
62AQI (US)
23rd May 2026
54AQI (US)
24th May 2026
59AQI (US)
25th May 2026
47AQI (US)
26th May 2026
40AQI (US)
27th May 2026
25AQI (US)
28th May 2026
26AQI (US)
29th May 2026
25AQI (US)
30th May 2026
25AQI (US)
31st May 2026
28AQI (US)
1st June 2026
31AQI (US)
2nd June 2026
34AQI (US)
3rd June 2026
23AQI (US)
4th June 2026
24AQI (US)
5th June 2026
22AQI (US)
6th June 2026
23AQI (US)
7th June 2026
22AQI (US)
8th June 2026
21AQI (US)
9th June 2026
23AQI (US)
10th June 2026
22AQI (US)
11th June 2026
25AQI (US)
12th June 2026
25AQI (US)
13th June 2026
28AQI (US)
14th June 2026
26AQI (US)
15th June 2026
16AQI (US)
16th June 2026
20AQI (US)
17th June 2026
25AQI (US)
18th June 2026
25AQI (US)
19th June 2026
31AQI (US)
20th June 2026
23AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
21AQI (US)
25th June 2026
24AQI (US)
26th June 2026
28AQI (US)
27th June 2026
26AQI (US)
28th June 2026
28AQI (US)
29th June 2026
28AQI (US)
30th June 2026
38AQI (US)
1st July 2026
57AQI (US)
2nd July 2026
17AQI (US)
3rd July 2026
16AQI (US)
4th July 2026
45AQI (US)
5th July 2026
15AQI (US)
6th July 2026
29AQI (US)
7th July 2026
26AQI (US)
8th July 2026
25AQI (US)
9th July 2026
25AQI (US)
10th July 2026
28AQI (US)
11th July 2026
28AQI (US)
12th July 2026
29AQI (US)
13th July 2026
29AQI (US)
14th July 2026
29AQI (US)
15th July 2026
43AQI (US)
16th July 2026
75AQI (US)
17th July 2026
60AQI (US)
18th July 2026
22AQI (US)
19th July 2026
20AQI (US)
20th July 2026
33AQI (US)
21st July 2026
60AQI (US)
22nd July 2026
71AQI (US)
23rd July 2026
66AQI (US)
24th July 2026
54AQI (US)
25th July 2026
49AQI (US)
26th July 2026
21AQI (US)
27th July 2026
25AQI (US)
28th July 2026
30AQI (US)
29th July 2026
26AQI (US)
30th July 2026
32AQI (US)
31st July 2026
61AQI (US)
1st August 2026
68AQI (US)
2nd August 2026
45AQI (US)
3rd August 2026
12AQI (US)
4th August 2026
24AQI (US)
5th August 2026
27AQI (US)
6th August 2026
26AQI (US)
7th August 2026
25AQI (US)
8th August 2026
22AQI (US)
9th August 2026
25AQI (US)
10th August 2026
22AQI (US)
11th August 2026
26AQI (US)
12th August 2026
23AQI (US)
13th August 2026
23AQI (US)
14th August 2026
20AQI (US)
15th August 2026
25AQI (US)
16th August 2026
24AQI (US)
17th August 2026
25AQI (US)
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

32AQI (US)

39AQI (US)

48AQI (US)

39AQI (US)

43AQI (US)

25AQI (US)

37AQI (US)

27AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202637AQI (US)

28
3
23
5
15
16
29
1
23
8
30
23
8
16
1
187
42

Highest AQI (US) recorded in

March

48AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202542AQI (US)

3
30
22
9
23
8
29
1
12
19
20
10
24
7
163
54

Highest AQI (US) recorded in

October

50AQI (US)

Lowest AQI (US) recorded in

May

22AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2025(Avg.)
42AQI (US)
Least Polluted Year Recorded
2026(Avg.)
37AQI (US)

Dairakujimachi's annual 2026 AQI (US) (37) shows an average percentage change of -11.9% (improved AQI (US)) compared to previous years: 2025 (42).