Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Yagicho, 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

Yagicho, Hachioji, Tokyo, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2026
76AQI
Lowest AQI recorded on
27th Aug 2024
9AQI

Same Day Analysis (13th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 22 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 12th Aug - 13th Aug 2026

Yagicho, Hachioji, Tokyo, Japan

AQI
Day
Night
.

4 AM12th Aug 2026

6 PM

3 AM13th Aug 2026

Day time
Avg. Highest Time
4PM12th Aug

27AQI

Avg. Lowest Time
2PM12th Aug

21AQI

Night time
Avg. Highest Time
7PM12th Aug

23AQI

Avg. Lowest Time
3AM13th Aug

21AQI

In the last 24 hours,

Yagicho's AQI reached its highest point of 27 at 4 PM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 12th Aug and 13th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Yagicho, Hachioji, Tokyo, 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 2026314 AMAQI
15th Jul 2026345 AMAQI
15th Jul 2026306 AMAQI
15th Jul 2026747 AMAQI
15th Jul 2026738 AMAQI
15th Jul 2026809 AMAQI
15th Jul 20268410 AMAQI
15th Jul 20267111 AMAQI
15th Jul 20262812 PMAQI
15th Jul 2026221 PMAQI
15th Jul 2026212 PMAQI
15th Jul 2026343 PMAQI
15th Jul 2026464 PMAQI
15th Jul 2026425 PMAQI
15th Jul 2026386 PMAQI
15th Jul 2026447 PMAQI
15th Jul 2026448 PMAQI
15th Jul 2026449 PMAQI
15th Jul 20265010 PMAQI
15th Jul 20265011 PMAQI
16th Jul 20267412 AMAQI
16th Jul 2026731 AMAQI
16th Jul 2026692 AMAQI
16th Jul 2026463 AMAQI

29°C25/34°C

16th Jul 2026654 AMAQI
16th Jul 2026675 AMAQI
16th Jul 2026716 AMAQI
16th Jul 2026737 AMAQI
16th Jul 2026758 AMAQI
16th Jul 2026749 AMAQI
16th Jul 20267810 AMAQI
16th Jul 20267211 AMAQI
16th Jul 20267812 PMAQI
16th Jul 2026791 PMAQI
16th Jul 2026792 PMAQI
16th Jul 2026783 PMAQI
16th Jul 2026674 PMAQI
16th Jul 2026925 PMAQI
16th Jul 2026886 PMAQI
16th Jul 2026847 PMAQI
16th Jul 2026908 PMAQI
16th Jul 20261029 PMAQI
16th Jul 20269010 PMAQI
16th Jul 20268111 PMAQI
17th Jul 20267912 AMAQI
17th Jul 2026741 AMAQI
17th Jul 2026722 AMAQI
17th Jul 2026603 AMAQI

29°C26/35°C

17th Jul 2026624 AMAQI
17th Jul 2026675 AMAQI
17th Jul 2026676 AMAQI
17th Jul 2026667 AMAQI
17th Jul 2026608 AMAQI
17th Jul 2026639 AMAQI
17th Jul 20266310 AMAQI
17th Jul 20268311 AMAQI
17th Jul 20266512 PMAQI
17th Jul 2026701 PMAQI
17th Jul 2026822 PMAQI
17th Jul 2026923 PMAQI
17th Jul 2026524 PMAQI
17th Jul 2026525 PMAQI
17th Jul 2026426 PMAQI
17th Jul 2026547 PMAQI
17th Jul 2026628 PMAQI
17th Jul 2026649 PMAQI
17th Jul 20265410 PMAQI
17th Jul 20265211 PMAQI
18th Jul 20264212 AMAQI
18th Jul 2026381 AMAQI
18th Jul 2026322 AMAQI
18th Jul 2026363 AMAQI

27°C25/30°C

18th Jul 2026294 AMAQI
18th Jul 2026365 AMAQI
18th Jul 2026446 AMAQI
18th Jul 2026317 AMAQI
18th Jul 2026298 AMAQI
18th Jul 2026319 AMAQI
18th Jul 20263110 AMAQI
18th Jul 20262311 AMAQI
18th Jul 20262712 PMAQI
18th Jul 2026271 PMAQI
18th Jul 2026292 PMAQI
18th Jul 2026383 PMAQI
18th Jul 2026194 PMAQI
18th Jul 2026215 PMAQI
18th Jul 2026186 PMAQI
18th Jul 2026147 PMAQI
18th Jul 2026148 PMAQI
18th Jul 2026149 PMAQI
18th Jul 20261410 PMAQI
18th Jul 20261211 PMAQI
19th Jul 20261212 AMAQI
19th Jul 2026101 AMAQI
19th Jul 202682 AMAQI
19th Jul 202683 AMAQI

27°C24/30°C

19th Jul 202664 AMAQI
19th Jul 202685 AMAQI
19th Jul 2026116 AMAQI
19th Jul 2026127 AMAQI
19th Jul 2026148 AMAQI
19th Jul 2026199 AMAQI
19th Jul 20262210 AMAQI
19th Jul 20262011 AMAQI
19th Jul 20262312 PMAQI
19th Jul 202681 PMAQI
19th Jul 2026172 PMAQI
19th Jul 2026213 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026296 PMAQI
19th Jul 2026277 PMAQI
19th Jul 2026218 PMAQI
19th Jul 2026369 PMAQI
19th Jul 20263010 PMAQI
19th Jul 20262111 PMAQI
20th Jul 20262312 AMAQI
20th Jul 2026231 AMAQI
20th Jul 2026272 AMAQI
20th Jul 2026253 AMAQI

27°C24/31°C

20th Jul 2026254 AMAQI
20th Jul 2026215 AMAQI
20th Jul 2026236 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026238 AMAQI
20th Jul 2026279 AMAQI
20th Jul 20263110 AMAQI
20th Jul 20263311 AMAQI
20th Jul 20263112 PMAQI
20th Jul 2026401 PMAQI
20th Jul 2026402 PMAQI
20th Jul 2026403 PMAQI
20th Jul 2026444 PMAQI
20th Jul 2026485 PMAQI
20th Jul 2026466 PMAQI
20th Jul 2026467 PMAQI
20th Jul 2026428 PMAQI
20th Jul 2026429 PMAQI
20th Jul 20264010 PMAQI
20th Jul 20264211 PMAQI
21st Jul 20264412 AMAQI
21st Jul 2026481 AMAQI
21st Jul 2026482 AMAQI
21st Jul 2026513 AMAQI

30°C25/35°C

21st Jul 2026534 AMAQI
21st Jul 2026625 AMAQI
21st Jul 2026706 AMAQI
21st Jul 2026697 AMAQI
21st Jul 2026708 AMAQI
21st Jul 2026739 AMAQI
21st Jul 20266410 AMAQI
21st Jul 20266711 AMAQI
21st Jul 2026631 PMAQI
21st Jul 2026652 PMAQI
21st Jul 2026673 PMAQI
21st Jul 2026684 PMAQI
21st Jul 2026715 PMAQI
21st Jul 2026706 PMAQI
21st Jul 2026977 PMAQI
21st Jul 2026698 PMAQI
21st Jul 2026659 PMAQI
21st Jul 20266410 PMAQI
21st Jul 20266611 PMAQI
22nd Jul 20267812 AMAQI
22nd Jul 2026761 AMAQI
22nd Jul 2026782 AMAQI
22nd Jul 2026653 AMAQI

31°C27/36°C

22nd Jul 2026644 AMAQI
22nd Jul 2026825 AMAQI
22nd Jul 2026766 AMAQI
22nd Jul 2026767 AMAQI
22nd Jul 2026858 AMAQI
22nd Jul 2026879 AMAQI
22nd Jul 20268010 AMAQI
22nd Jul 20268711 AMAQI
22nd Jul 20268412 PMAQI
22nd Jul 2026851 PMAQI
22nd Jul 2026812 PMAQI
22nd Jul 2026863 PMAQI
22nd Jul 2026864 PMAQI
22nd Jul 2026785 PMAQI
22nd Jul 2026806 PMAQI
22nd Jul 2026757 PMAQI
22nd Jul 2026838 PMAQI
22nd Jul 2026839 PMAQI
22nd Jul 20268910 PMAQI
22nd Jul 20269711 PMAQI
23rd Jul 20268012 AMAQI
23rd Jul 2026971 AMAQI
23rd Jul 2026662 AMAQI
23rd Jul 2026483 AMAQI

31°C26/36°C

23rd Jul 2026594 AMAQI
23rd Jul 2026675 AMAQI
23rd Jul 2026886 AMAQI
23rd Jul 2026897 AMAQI
23rd Jul 2026968 AMAQI
23rd Jul 20261189 AMAQI
23rd Jul 20269810 AMAQI
23rd Jul 20268311 AMAQI
23rd Jul 20266312 PMAQI
23rd Jul 2026621 PMAQI
23rd Jul 2026582 PMAQI
23rd Jul 2026603 PMAQI
23rd Jul 2026694 PMAQI
23rd Jul 2026765 PMAQI
23rd Jul 2026796 PMAQI
23rd Jul 2026857 PMAQI
23rd Jul 2026788 PMAQI
23rd Jul 20261159 PMAQI
23rd Jul 20266910 PMAQI
23rd Jul 20265311 PMAQI
24th Jul 20265112 AMAQI
24th Jul 2026501 AMAQI
24th Jul 2026402 AMAQI
24th Jul 2026463 AMAQI

31°C27/36°C

24th Jul 2026574 AMAQI
24th Jul 2026645 AMAQI
24th Jul 2026446 AMAQI
24th Jul 2026387 AMAQI
24th Jul 2026338 AMAQI
24th Jul 2026319 AMAQI
24th Jul 20264010 AMAQI
24th Jul 20264811 AMAQI
24th Jul 20265012 PMAQI
24th Jul 2026661 PMAQI
24th Jul 2026802 PMAQI
24th Jul 2026973 PMAQI
24th Jul 2026824 PMAQI
24th Jul 2026705 PMAQI
24th Jul 2026706 PMAQI
24th Jul 2026677 PMAQI
24th Jul 2026728 PMAQI
24th Jul 2026769 PMAQI
24th Jul 20266910 PMAQI
24th Jul 20266511 PMAQI
25th Jul 20269212 AMAQI
25th Jul 2026661 AMAQI
25th Jul 2026652 AMAQI
25th Jul 2026693 AMAQI

29°C26/32°C

25th Jul 2026714 AMAQI
25th Jul 2026645 AMAQI
25th Jul 2026666 AMAQI
25th Jul 2026537 AMAQI
25th Jul 2026608 AMAQI
25th Jul 2026669 AMAQI
25th Jul 20267210 AMAQI
25th Jul 20268411 AMAQI
25th Jul 20267112 PMAQI
25th Jul 2026621 PMAQI
25th Jul 2026512 PMAQI
25th Jul 2026523 PMAQI
25th Jul 2026564 PMAQI
25th Jul 2026525 PMAQI
25th Jul 2026276 PMAQI
25th Jul 2026487 PMAQI
25th Jul 2026588 PMAQI
25th Jul 2026539 PMAQI
25th Jul 20263110 PMAQI
25th Jul 20264011 PMAQI
26th Jul 20262712 AMAQI
26th Jul 2026171 AMAQI
26th Jul 2026272 AMAQI
26th Jul 2026403 AMAQI

29°C25/34°C

26th Jul 2026364 AMAQI
26th Jul 2026345 AMAQI
26th Jul 2026346 AMAQI
26th Jul 2026337 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026349 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262911 AMAQI
26th Jul 20263612 PMAQI
26th Jul 2026401 PMAQI
26th Jul 2026502 PMAQI
26th Jul 2026293 PMAQI
26th Jul 2026174 PMAQI
26th Jul 2026235 PMAQI
26th Jul 2026126 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026288 PMAQI
26th Jul 202689 PMAQI
26th Jul 20261410 PMAQI
26th Jul 20262111 PMAQI
27th Jul 20261712 AMAQI
27th Jul 202681 AMAQI
27th Jul 2026102 AMAQI
27th Jul 2026103 AMAQI

27°C24/30°C

27th Jul 2026234 AMAQI
27th Jul 2026215 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026337 AMAQI
27th Jul 2026318 AMAQI
27th Jul 2026299 AMAQI
27th Jul 20262910 AMAQI
27th Jul 20263611 AMAQI
27th Jul 20262512 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026272 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026294 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026387 PMAQI
27th Jul 2026388 PMAQI
27th Jul 2026389 PMAQI
27th Jul 20264010 PMAQI
27th Jul 20263811 PMAQI
28th Jul 20264212 AMAQI
28th Jul 2026381 AMAQI
28th Jul 2026382 AMAQI
28th Jul 2026363 AMAQI

26°C22/30°C

28th Jul 2026334 AMAQI
28th Jul 2026365 AMAQI
28th Jul 2026366 AMAQI
28th Jul 2026337 AMAQI
28th Jul 2026318 AMAQI
28th Jul 2026369 AMAQI
28th Jul 20263610 AMAQI
28th Jul 20263811 AMAQI
28th Jul 20263812 PMAQI
28th Jul 2026381 PMAQI
28th Jul 2026422 PMAQI
28th Jul 2026403 PMAQI
28th Jul 2026404 PMAQI
28th Jul 2026365 PMAQI
28th Jul 2026336 PMAQI
28th Jul 2026317 PMAQI
28th Jul 2026368 PMAQI
28th Jul 2026449 PMAQI
28th Jul 20264210 PMAQI
28th Jul 20264011 PMAQI
29th Jul 20264612 AMAQI
29th Jul 2026461 AMAQI
29th Jul 2026462 AMAQI
29th Jul 2026403 AMAQI

25°C23/29°C

29th Jul 2026444 AMAQI
29th Jul 2026405 AMAQI
29th Jul 2026426 AMAQI
29th Jul 2026387 AMAQI
29th Jul 2026428 AMAQI
29th Jul 2026339 AMAQI
29th Jul 20263310 AMAQI
29th Jul 20263311 AMAQI
29th Jul 20262912 PMAQI
29th Jul 2026311 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026273 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262111 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026233 AMAQI

27°C22/34°C

30th Jul 2026254 AMAQI
30th Jul 2026215 AMAQI
30th Jul 2026236 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20262911 AMAQI
30th Jul 20263112 PMAQI
30th Jul 2026311 PMAQI
30th Jul 2026362 PMAQI
30th Jul 2026333 PMAQI
30th Jul 2026364 PMAQI
30th Jul 2026385 PMAQI
30th Jul 2026486 PMAQI
30th Jul 2026527 PMAQI
30th Jul 2026508 PMAQI
30th Jul 2026519 PMAQI
30th Jul 20264410 PMAQI
30th Jul 20265011 PMAQI
31st Jul 20266212 AMAQI
31st Jul 2026681 AMAQI
31st Jul 2026762 AMAQI
31st Jul 2026743 AMAQI

29°C24/35°C

31st Jul 2026694 AMAQI
31st Jul 2026715 AMAQI
31st Jul 2026716 AMAQI
31st Jul 2026767 AMAQI
31st Jul 2026768 AMAQI
31st Jul 2026739 AMAQI
31st Jul 20267010 AMAQI
31st Jul 20266611 AMAQI
31st Jul 20266412 PMAQI
31st Jul 2026711 PMAQI
31st Jul 2026592 PMAQI
31st Jul 2026553 PMAQI
31st Jul 2026564 PMAQI
31st Jul 2026645 PMAQI
31st Jul 2026546 PMAQI
31st Jul 2026727 PMAQI
31st Jul 2026698 PMAQI
31st Jul 2026659 PMAQI
31st Jul 20266710 PMAQI
31st Jul 20267511 PMAQI
1st Aug 20267612 AMAQI
1st Aug 2026821 AMAQI
1st Aug 2026822 AMAQI
1st Aug 2026833 AMAQI

29°C25/34°C

1st Aug 2026764 AMAQI
1st Aug 2026705 AMAQI
1st Aug 2026676 AMAQI
1st Aug 2026767 AMAQI
1st Aug 2026808 AMAQI
1st Aug 2026769 AMAQI
1st Aug 20266410 AMAQI
1st Aug 20266911 AMAQI
1st Aug 20266812 PMAQI
1st Aug 2026701 PMAQI
1st Aug 2026602 PMAQI
1st Aug 2026643 PMAQI
1st Aug 2026634 PMAQI
1st Aug 2026785 PMAQI
1st Aug 2026836 PMAQI
1st Aug 2026817 PMAQI
1st Aug 2026838 PMAQI
1st Aug 2026989 PMAQI
1st Aug 20267910 PMAQI
1st Aug 20269311 PMAQI
2nd Aug 20269412 AMAQI
2nd Aug 2026841 AMAQI
2nd Aug 2026652 AMAQI
2nd Aug 2026383 AMAQI

29°C25/35°C

2nd Aug 2026584 AMAQI
2nd Aug 2026575 AMAQI
2nd Aug 2026546 AMAQI
2nd Aug 2026537 AMAQI
2nd Aug 2026548 AMAQI
2nd Aug 2026449 AMAQI
2nd Aug 20265510 AMAQI
2nd Aug 20265511 AMAQI
2nd Aug 20265712 PMAQI
2nd Aug 2026501 PMAQI
2nd Aug 2026502 PMAQI
2nd Aug 2026523 PMAQI
2nd Aug 2026564 PMAQI
2nd Aug 2026515 PMAQI
2nd Aug 2026646 PMAQI
2nd Aug 2026877 PMAQI
2nd Aug 2026568 PMAQI
2nd Aug 2026259 PMAQI
2nd Aug 20262510 PMAQI
2nd Aug 20261711 PMAQI
3rd Aug 2026812 AMAQI
3rd Aug 2026121 AMAQI
3rd Aug 202682 AMAQI
3rd Aug 202683 AMAQI

29°C24/35°C

3rd Aug 2026104 AMAQI
3rd Aug 2026105 AMAQI
3rd Aug 202686 AMAQI
3rd Aug 2026127 AMAQI
3rd Aug 202688 AMAQI
3rd Aug 2026149 AMAQI
3rd Aug 20261410 AMAQI
3rd Aug 20261411 AMAQI
3rd Aug 2026812 PMAQI
3rd Aug 2026121 PMAQI
3rd Aug 2026102 PMAQI
3rd Aug 2026123 PMAQI
3rd Aug 2026214 PMAQI
3rd Aug 2026275 PMAQI
3rd Aug 2026276 PMAQI
3rd Aug 2026257 PMAQI
3rd Aug 2026338 PMAQI
3rd Aug 2026299 PMAQI
3rd Aug 20262910 PMAQI
3rd Aug 20263611 PMAQI
4th Aug 20261712 AMAQI
4th Aug 2026211 AMAQI
4th Aug 2026232 AMAQI
4th Aug 2026213 AMAQI

23°C22/25°C

4th Aug 2026174 AMAQI
4th Aug 2026275 AMAQI
4th Aug 2026296 AMAQI
4th Aug 2026257 AMAQI
4th Aug 2026298 AMAQI
4th Aug 2026259 AMAQI
4th Aug 20262110 AMAQI
4th Aug 20262311 AMAQI
4th Aug 20262912 PMAQI
4th Aug 2026331 PMAQI
4th Aug 2026292 PMAQI
4th Aug 2026403 PMAQI
4th Aug 2026334 PMAQI
4th Aug 2026425 PMAQI
4th Aug 2026426 PMAQI
4th Aug 2026467 PMAQI
4th Aug 2026298 PMAQI
4th Aug 2026319 PMAQI
4th Aug 20262710 PMAQI
4th Aug 20262711 PMAQI
5th Aug 20262912 AMAQI
5th Aug 2026311 AMAQI
5th Aug 2026312 AMAQI
5th Aug 2026293 AMAQI

24°C21/30°C

5th Aug 2026274 AMAQI
5th Aug 2026295 AMAQI
5th Aug 2026316 AMAQI
5th Aug 2026317 AMAQI
5th Aug 2026298 AMAQI
5th Aug 2026279 AMAQI
5th Aug 20262510 AMAQI
5th Aug 20262911 AMAQI
5th Aug 20262712 PMAQI
5th Aug 2026311 PMAQI
5th Aug 2026312 PMAQI
5th Aug 2026273 PMAQI
5th Aug 2026334 PMAQI
5th Aug 2026335 PMAQI
5th Aug 2026296 PMAQI
5th Aug 2026317 PMAQI
5th Aug 2026338 PMAQI
5th Aug 2026339 PMAQI
5th Aug 20263610 PMAQI
5th Aug 20263111 PMAQI
6th Aug 20262912 AMAQI
6th Aug 2026311 AMAQI
6th Aug 2026252 AMAQI
6th Aug 2026273 AMAQI

25°C21/30°C

6th Aug 2026274 AMAQI
6th Aug 2026295 AMAQI
6th Aug 2026276 AMAQI
6th Aug 2026297 AMAQI
6th Aug 2026298 AMAQI
6th Aug 2026299 AMAQI
6th Aug 20262710 AMAQI
6th Aug 20262911 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026271 PMAQI
6th Aug 2026272 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026256 PMAQI
6th Aug 2026257 PMAQI
6th Aug 2026238 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262510 PMAQI
6th Aug 20262311 PMAQI
7th Aug 20262512 AMAQI
7th Aug 2026211 AMAQI
7th Aug 2026212 AMAQI
7th Aug 2026233 AMAQI

28°C25/32°C

7th Aug 2026254 AMAQI
7th Aug 2026215 AMAQI
7th Aug 2026216 AMAQI
7th Aug 2026217 AMAQI
7th Aug 2026218 AMAQI
7th Aug 2026219 AMAQI
7th Aug 20262110 AMAQI
7th Aug 20262111 AMAQI
7th Aug 20262312 PMAQI
7th Aug 2026451 PMAQI
7th Aug 2026212 PMAQI
7th Aug 2026233 PMAQI
7th Aug 2026234 PMAQI
7th Aug 2026235 PMAQI
7th Aug 2026216 PMAQI
7th Aug 2026217 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026219 PMAQI
7th Aug 20262110 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 2026219 AMAQI
8th Aug 20262110 AMAQI
8th Aug 20262111 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026231 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026233 PMAQI
8th Aug 2026234 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026216 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026238 PMAQI
8th Aug 2026239 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262712 AMAQI
9th Aug 2026271 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026233 AMAQI

28°C24/33°C

9th Aug 2026214 AMAQI
9th Aug 2026215 AMAQI
9th Aug 2026236 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026279 AMAQI
9th Aug 20262310 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262512 PMAQI
9th Aug 2026251 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026293 PMAQI
9th Aug 2026274 PMAQI
9th Aug 2026275 PMAQI
9th Aug 2026316 PMAQI
9th Aug 2026337 PMAQI
9th Aug 2026368 PMAQI
9th Aug 2026409 PMAQI
9th Aug 20264210 PMAQI
9th Aug 20263111 PMAQI
10th Aug 20262912 AMAQI
10th Aug 2026291 AMAQI
10th Aug 2026272 AMAQI
10th Aug 2026273 AMAQI

28°C24/32°C

10th Aug 2026274 AMAQI
10th Aug 2026235 AMAQI
10th Aug 2026236 AMAQI
10th Aug 2026217 AMAQI
10th Aug 2026238 AMAQI
10th Aug 2026219 AMAQI
10th Aug 20262110 AMAQI
10th Aug 20262111 AMAQI
10th Aug 20262312 PMAQI
10th Aug 2026231 PMAQI
10th Aug 2026212 PMAQI
10th Aug 2026213 PMAQI
10th Aug 2026234 PMAQI
10th Aug 2026255 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026237 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 2026293 AMAQI

26°C23/30°C

11th Aug 2026384 AMAQI
11th Aug 2026365 AMAQI
11th Aug 2026386 AMAQI
11th Aug 2026407 AMAQI
11th Aug 2026388 AMAQI
11th Aug 2026389 AMAQI
11th Aug 20264010 AMAQI
11th Aug 20264011 AMAQI
11th Aug 20263612 PMAQI
11th Aug 2026311 PMAQI
11th Aug 2026312 PMAQI
11th Aug 2026333 PMAQI
11th Aug 2026314 PMAQI
11th Aug 2026275 PMAQI
11th Aug 2026276 PMAQI
11th Aug 2026257 PMAQI
11th Aug 2026258 PMAQI
11th Aug 2026259 PMAQI
11th Aug 20262110 PMAQI
11th Aug 20262111 PMAQI
12th Aug 20262112 AMAQI
12th Aug 2026211 AMAQI
12th Aug 2026212 AMAQI
12th Aug 2026213 AMAQI

24°C21/28°C

12th Aug 2026254 AMAQI
12th Aug 2026235 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026237 AMAQI
12th Aug 2026238 AMAQI
12th Aug 2026219 AMAQI
12th Aug 20262110 AMAQI
12th Aug 20262111 AMAQI
12th Aug 20262112 PMAQI
12th Aug 2026211 PMAQI
12th Aug 2026212 PMAQI
12th Aug 2026233 PMAQI
12th Aug 2026274 PMAQI
12th Aug 2026275 PMAQI
12th Aug 2026256 PMAQI
12th Aug 2026237 PMAQI
12th Aug 2026238 PMAQI
12th Aug 2026239 PMAQI
12th Aug 20262110 PMAQI
12th Aug 20262311 PMAQI
13th Aug 20262312 AMAQI
13th Aug 2026211 AMAQI
13th Aug 2026232 AMAQI
13th Aug 2026213 AMAQI

22°C21/23°C

13th Aug 2026214 AMAQI
4 AM
13th Aug 2026215 AMAQI
13th Aug 2026216 AMAQI
13th Aug 2026217 AMAQI
13th Aug 2026258 AMAQI
13th Aug 2026259 AMAQI
13th Aug 20262310 AMAQI
13th Aug 20262311 AMAQI
11 AM
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
6 PM
13th Aug 2026217 PMAQI
13th Aug 2026218 PMAQI
13th Aug 2026219 PMAQI
13th Aug 20262510 PMAQI
13th Aug 20262311 PMAQI
11 PM
3 AM

25°C22/28°C

Day time
Avg. Highest Time
5 AM - 11 AM

42AQI

7 hours / Day
210 hours / Month
Avg. Lowest Time
4 AM

38AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 11 AM (Avg. 42), while the lowest AQI was between 4 AM to 4 AM (Avg. 38).
Night time
Avg. Highest Time
7 PM - 9 PM

45AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
3 AM

36AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 9 PM (Avg. 45), while the lowest AQI was between 3 AM to 3 AM (Avg. 36).

2026 Days Vs Air Quality

Yagicho, Hachioji, Tokyo, Japan

2026

81%

183

19%

42

Total number of days with different AQI categories in last 225 days in 2026 (140 days remaining)

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

Under WHO’s Safe Air Quality Limits: 81%

Health Risk Level:

Low

In 2026, 81% 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

Yagicho, 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
25AQI (US)
2nd January 2026
16AQI (US)
3rd January 2026
14AQI (US)
4th January 2026
16AQI (US)
5th January 2026
30AQI (US)
6th January 2026
22AQI (US)
7th January 2026
27AQI (US)
8th January 2026
28AQI (US)
9th January 2026
22AQI (US)
10th January 2026
24AQI (US)
11th January 2026
20AQI (US)
12th January 2026
15AQI (US)
13th January 2026
27AQI (US)
14th January 2026
17AQI (US)
15th January 2026
45AQI (US)
16th January 2026
48AQI (US)
17th January 2026
47AQI (US)
18th January 2026
42AQI (US)
19th January 2026
38AQI (US)
20th January 2026
40AQI (US)
21st January 2026
20AQI (US)
22nd January 2026
30AQI (US)
23rd January 2026
52AQI (US)
24th January 2026
51AQI (US)
25th January 2026
42AQI (US)
26th January 2026
27AQI (US)
27th January 2026
42AQI (US)
28th January 2026
27AQI (US)
29th January 2026
27AQI (US)
30th January 2026
36AQI (US)
31st January 2026
36AQI (US)
1st February 2026
43AQI (US)
2nd February 2026
55AQI (US)
3rd February 2026
30AQI (US)
4th February 2026
46AQI (US)
5th February 2026
51AQI (US)
6th February 2026
43AQI (US)
7th February 2026
16AQI (US)
8th February 2026
20AQI (US)
9th February 2026
39AQI (US)
10th February 2026
47AQI (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
47AQI (US)
17th February 2026
18AQI (US)
18th February 2026
33AQI (US)
19th February 2026
31AQI (US)
20th February 2026
28AQI (US)
21st February 2026
48AQI (US)
22nd February 2026
44AQI (US)
23rd February 2026
41AQI (US)
24th February 2026
37AQI (US)
25th February 2026
35AQI (US)
26th February 2026
10AQI (US)
27th February 2026
30AQI (US)
28th February 2026
49AQI (US)
1st March 2026
49AQI (US)
2nd March 2026
82AQI (US)
3rd March 2026
49AQI (US)
4th March 2026
45AQI (US)
5th March 2026
58AQI (US)
6th March 2026
52AQI (US)
7th March 2026
49AQI (US)
8th March 2026
46AQI (US)
9th March 2026
52AQI (US)
10th March 2026
58AQI (US)
11th March 2026
58AQI (US)
12th March 2026
73AQI (US)
13th March 2026
45AQI (US)
14th March 2026
37AQI (US)
15th March 2026
15AQI (US)
16th March 2026
31AQI (US)
17th March 2026
54AQI (US)
18th March 2026
57AQI (US)
19th March 2026
38AQI (US)
20th March 2026
30AQI (US)
21st March 2026
50AQI (US)
22nd March 2026
54AQI (US)
23rd March 2026
54AQI (US)
24th March 2026
48AQI (US)
25th March 2026
66AQI (US)
26th March 2026
22AQI (US)
27th March 2026
20AQI (US)
28th March 2026
51AQI (US)
29th March 2026
54AQI (US)
30th March 2026
57AQI (US)
31st March 2026
27AQI (US)
1st April 2026
18AQI (US)
2nd April 2026
34AQI (US)
3rd April 2026
45AQI (US)
4th April 2026
46AQI (US)
5th April 2026
37AQI (US)
6th April 2026
28AQI (US)
7th April 2026
42AQI (US)
8th April 2026
22AQI (US)
9th April 2026
32AQI (US)
10th April 2026
46AQI (US)
11th April 2026
37AQI (US)
12th April 2026
36AQI (US)
13th April 2026
39AQI (US)
14th April 2026
49AQI (US)
15th April 2026
44AQI (US)
16th April 2026
36AQI (US)
17th April 2026
40AQI (US)
18th April 2026
35AQI (US)
19th April 2026
40AQI (US)
20th April 2026
39AQI (US)
21st April 2026
40AQI (US)
22nd April 2026
45AQI (US)
23rd April 2026
37AQI (US)
24th April 2026
32AQI (US)
25th April 2026
46AQI (US)
26th April 2026
52AQI (US)
27th April 2026
49AQI (US)
28th April 2026
42AQI (US)
29th April 2026
41AQI (US)
30th April 2026
38AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
50AQI (US)
3rd May 2026
44AQI (US)
4th May 2026
28AQI (US)
5th May 2026
24AQI (US)
6th May 2026
34AQI (US)
7th May 2026
36AQI (US)
8th May 2026
28AQI (US)
9th May 2026
28AQI (US)
10th May 2026
35AQI (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
68AQI (US)
18th May 2026
53AQI (US)
19th May 2026
49AQI (US)
20th May 2026
62AQI (US)
21st May 2026
60AQI (US)
22nd May 2026
62AQI (US)
23rd May 2026
54AQI (US)
24th May 2026
59AQI (US)
25th May 2026
47AQI (US)
26th May 2026
39AQI (US)
27th May 2026
25AQI (US)
28th May 2026
25AQI (US)
29th May 2026
25AQI (US)
30th May 2026
25AQI (US)
31st May 2026
28AQI (US)
1st June 2026
32AQI (US)
2nd June 2026
33AQI (US)
3rd June 2026
23AQI (US)
4th June 2026
23AQI (US)
5th June 2026
21AQI (US)
6th June 2026
23AQI (US)
7th June 2026
22AQI (US)
8th June 2026
20AQI (US)
9th June 2026
22AQI (US)
10th June 2026
22AQI (US)
11th June 2026
24AQI (US)
12th June 2026
25AQI (US)
13th June 2026
28AQI (US)
14th June 2026
27AQI (US)
15th June 2026
17AQI (US)
16th June 2026
19AQI (US)
17th June 2026
24AQI (US)
18th June 2026
25AQI (US)
19th June 2026
30AQI (US)
20th June 2026
23AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
18AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
21AQI (US)
25th June 2026
23AQI (US)
26th June 2026
29AQI (US)
27th June 2026
26AQI (US)
28th June 2026
28AQI (US)
29th June 2026
28AQI (US)
30th June 2026
39AQI (US)
1st July 2026
58AQI (US)
2nd July 2026
18AQI (US)
3rd July 2026
16AQI (US)
4th July 2026
46AQI (US)
5th July 2026
15AQI (US)
6th July 2026
31AQI (US)
7th July 2026
25AQI (US)
8th July 2026
25AQI (US)
9th July 2026
24AQI (US)
10th July 2026
28AQI (US)
11th July 2026
28AQI (US)
12th July 2026
28AQI (US)
13th July 2026
28AQI (US)
14th July 2026
29AQI (US)
15th July 2026
45AQI (US)
16th July 2026
77AQI (US)
17th July 2026
65AQI (US)
18th July 2026
27AQI (US)
19th July 2026
18AQI (US)
20th July 2026
34AQI (US)
21st July 2026
65AQI (US)
22nd July 2026
81AQI (US)
23rd July 2026
77AQI (US)
24th July 2026
59AQI (US)
25th July 2026
60AQI (US)
26th July 2026
28AQI (US)
27th July 2026
27AQI (US)
28th July 2026
37AQI (US)
29th July 2026
32AQI (US)
30th July 2026
33AQI (US)
31st July 2026
68AQI (US)
1st August 2026
76AQI (US)
2nd August 2026
54AQI (US)
3rd August 2026
16AQI (US)
4th August 2026
29AQI (US)
5th August 2026
30AQI (US)
6th August 2026
27AQI (US)
7th August 2026
23AQI (US)
8th August 2026
23AQI (US)
9th August 2026
28AQI (US)
10th August 2026
23AQI (US)
11th August 2026
31AQI (US)
12th August 2026
23AQI (US)
13th August 2026
22AQI (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

31AQI (US)

39AQI (US)

48AQI (US)

39AQI (US)

43AQI (US)

25AQI (US)

40AQI (US)

31AQI (US)

No. of days

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

202637AQI (US)

29
2
23
5
16
15
29
1
23
8
30
22
9
11
2
183
42

Highest AQI (US) recorded in

March

48AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202534AQI (US)

31
28
29
2
30
31
30
23
8
21
10
28
2
16
15
22
8
26
5
315
50

Highest AQI (US) recorded in

July

48AQI (US)

Lowest AQI (US) recorded in

June

20AQI (US)

202428AQI (US)

31
29
31
30
31
28
2
26
5
31
30
31
30
31
359
7

Highest AQI (US) recorded in

June

37AQI (US)

Lowest AQI (US) recorded in

January

21AQI (US)

202327AQI (US)

31
28
30
1
27
3
30
1
27
3
31
31
19
31
29
31
345
8

Highest AQI (US) recorded in

April

37AQI (US)

Lowest AQI (US) recorded in

December

20AQI (US)

202228AQI (US)

3
20
1
30
1
24
6
31
29
1
19
3
1
28
31
28
2
31
275
14

Highest AQI (US) recorded in

April

38AQI (US)

Lowest AQI (US) recorded in

January

14AQI (US)

202121AQI (US)

31
28
31
30
29
2
28
2
31
29
2
30
31
30
31
359
6

Highest AQI (US) recorded in

June

34AQI (US)

Lowest AQI (US) recorded in

February

11AQI (US)

202016AQI (US)

13
21
18
30
31
30
1
19
31
30
31
254
1

Highest AQI (US) recorded in

August

27AQI (US)

Lowest AQI (US) recorded in

April

10AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2026(Avg.)
37AQI (US)
Least Polluted Year Recorded
2020(Avg.)
16AQI (US)

Yagicho's annual 2026 AQI (US) (37) shows an average percentage change of 52.9% (worsened AQI (US)) compared to previous years: 2020 (16), 2021 (21), 2022 (28), 2023 (27), 2024 (28), 2025 (34).