Shimohoya, Honcho, 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
Shimohoya, Honcho, Tokyo, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
61AQILowest AQI recorded on
30th Aug 2024
9AQISame Day Analysis (8th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 24 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 7th Aug - 8th Aug 2026
Shimohoya, Honcho, Tokyo, Japan
AQI
Day
Night
.
4 AM7th Aug 2026
6 PM
3 AM8th Aug 2026
Day time
Avg. Highest Time
1PM7th Aug
46AQI
Avg. Lowest Time
4PM7th Aug
21AQI
Night time
Avg. Highest Time
8PM7th Aug
25AQI
Avg. Lowest Time
11PM7th Aug
21AQI
In the last 24 hours,
Shimohoya's AQI reached its highest point of 46 at 1 PM during the Day, while the lowest point, 21, was recorded at 11 PM during the Night between 7th Aug and 8th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Shimohoya, Honcho, Tokyo, Japan
JulAug
10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
10th Jul 2026234 AMAQI
10th Jul 2026185 AMAQI
10th Jul 2026266 AMAQI
10th Jul 2026247 AMAQI
10th Jul 2026288 AMAQI
10th Jul 2026269 AMAQI
10th Jul 20262510 AMAQI
10th Jul 20262311 AMAQI
10th Jul 20262612 PMAQI
10th Jul 2026261 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026203 PMAQI
10th Jul 2026234 PMAQI
10th Jul 2026285 PMAQI
10th Jul 2026266 PMAQI
10th Jul 2026297 PMAQI
10th Jul 2026268 PMAQI
10th Jul 2026209 PMAQI
10th Jul 20262910 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20263012 AMAQI
11th Jul 2026301 AMAQI
11th Jul 2026312 AMAQI
11th Jul 202663 AMAQI
28°C24/32°C
11th Jul 2026274 AMAQI
11th Jul 2026305 AMAQI
11th Jul 2026186 AMAQI
11th Jul 2026307 AMAQI
11th Jul 2026308 AMAQI
11th Jul 2026319 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20262611 AMAQI
11th Jul 20262512 PMAQI
11th Jul 2026261 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026213 PMAQI
11th Jul 2026254 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026267 PMAQI
11th Jul 2026248 PMAQI
11th Jul 2026269 PMAQI
11th Jul 20262810 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20262912 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026303 AMAQI
28°C25/32°C
12th Jul 2026244 AMAQI
12th Jul 2026285 AMAQI
12th Jul 2026286 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026268 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20262710 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20262512 PMAQI
12th Jul 2026231 PMAQI
12th Jul 2026232 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026244 PMAQI
12th Jul 2026265 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026268 PMAQI
12th Jul 2026309 PMAQI
12th Jul 20263010 PMAQI
12th Jul 20262611 PMAQI
13th Jul 20263212 AMAQI
13th Jul 2026301 AMAQI
13th Jul 2026282 AMAQI
13th Jul 2026303 AMAQI
27°C25/29°C
13th Jul 2026274 AMAQI
13th Jul 2026285 AMAQI
13th Jul 2026286 AMAQI
13th Jul 2026277 AMAQI
13th Jul 2026278 AMAQI
13th Jul 2026289 AMAQI
13th Jul 20263210 AMAQI
13th Jul 20262611 AMAQI
13th Jul 20262612 PMAQI
13th Jul 2026211 PMAQI
13th Jul 2026202 PMAQI
13th Jul 2026223 PMAQI
13th Jul 2026254 PMAQI
13th Jul 2026305 PMAQI
13th Jul 2026296 PMAQI
13th Jul 2026347 PMAQI
13th Jul 2026348 PMAQI
13th Jul 2026329 PMAQI
13th Jul 20263210 PMAQI
13th Jul 20263111 PMAQI
14th Jul 20263512 AMAQI
14th Jul 2026321 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026323 AMAQI
27°C26/29°C
14th Jul 2026264 AMAQI
14th Jul 2026305 AMAQI
14th Jul 2026326 AMAQI
14th Jul 2026307 AMAQI
14th Jul 2026268 AMAQI
14th Jul 2026349 AMAQI
14th Jul 20263210 AMAQI
14th Jul 20262411 AMAQI
14th Jul 20262412 PMAQI
14th Jul 2026241 PMAQI
14th Jul 2026212 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026234 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026287 PMAQI
14th Jul 2026288 PMAQI
14th Jul 2026299 PMAQI
14th Jul 20263410 PMAQI
14th Jul 20263011 PMAQI
15th Jul 20263412 AMAQI
15th Jul 2026361 AMAQI
15th Jul 2026322 AMAQI
15th Jul 2026313 AMAQI
29°C26/33°C
15th Jul 2026284 AMAQI
15th Jul 2026325 AMAQI
15th Jul 2026286 AMAQI
15th Jul 2026317 AMAQI
15th Jul 2026318 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20263010 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262212 PMAQI
15th Jul 2026251 PMAQI
15th Jul 2026222 PMAQI
15th Jul 2026203 PMAQI
15th Jul 2026264 PMAQI
15th Jul 2026365 PMAQI
15th Jul 2026266 PMAQI
15th Jul 2026247 PMAQI
15th Jul 2026258 PMAQI
15th Jul 2026449 PMAQI
15th Jul 20263010 PMAQI
15th Jul 20262611 PMAQI
16th Jul 20262612 AMAQI
16th Jul 2026261 AMAQI
16th Jul 2026302 AMAQI
16th Jul 2026303 AMAQI
31°C27/35°C
16th Jul 2026334 AMAQI
16th Jul 2026305 AMAQI
16th Jul 2026296 AMAQI
16th Jul 2026327 AMAQI
16th Jul 2026308 AMAQI
16th Jul 2026309 AMAQI
16th Jul 20263110 AMAQI
16th Jul 20262711 AMAQI
16th Jul 20262812 PMAQI
16th Jul 2026261 PMAQI
16th Jul 2026292 PMAQI
16th Jul 2026693 PMAQI
16th Jul 2026744 PMAQI
16th Jul 2026695 PMAQI
16th Jul 2026826 PMAQI
16th Jul 2026927 PMAQI
16th Jul 2026808 PMAQI
16th Jul 2026769 PMAQI
16th Jul 20267610 PMAQI
16th Jul 20265611 PMAQI
17th Jul 20264912 AMAQI
17th Jul 2026421 AMAQI
17th Jul 2026422 AMAQI
17th Jul 2026403 AMAQI
31°C28/36°C
17th Jul 2026334 AMAQI
17th Jul 2026295 AMAQI
17th Jul 2026296 AMAQI
17th Jul 2026317 AMAQI
17th Jul 2026318 AMAQI
17th Jul 2026369 AMAQI
17th Jul 20264810 AMAQI
17th Jul 20265611 AMAQI
17th Jul 20266012 PMAQI
17th Jul 2026621 PMAQI
17th Jul 2026632 PMAQI
17th Jul 2026523 PMAQI
17th Jul 2026404 PMAQI
17th Jul 2026405 PMAQI
17th Jul 2026426 PMAQI
17th Jul 2026527 PMAQI
17th Jul 2026538 PMAQI
17th Jul 2026529 PMAQI
17th Jul 20263810 PMAQI
17th Jul 20265511 PMAQI
18th Jul 20264812 AMAQI
18th Jul 2026361 AMAQI
18th Jul 2026292 AMAQI
18th Jul 2026363 AMAQI
29°C27/31°C
18th Jul 2026294 AMAQI
18th Jul 2026335 AMAQI
18th Jul 2026336 AMAQI
18th Jul 2026237 AMAQI
18th Jul 2026258 AMAQI
18th Jul 2026239 AMAQI
18th Jul 20261210 AMAQI
18th Jul 20262511 AMAQI
18th Jul 20261912 PMAQI
18th Jul 2026211 PMAQI
18th Jul 2026142 PMAQI
18th Jul 2026213 PMAQI
18th Jul 2026144 PMAQI
18th Jul 2026145 PMAQI
18th Jul 202686 PMAQI
18th Jul 2026107 PMAQI
18th Jul 2026128 PMAQI
18th Jul 202689 PMAQI
18th Jul 2026810 PMAQI
18th Jul 20261811 PMAQI
19th Jul 20263112 AMAQI
19th Jul 2026291 AMAQI
19th Jul 2026272 AMAQI
19th Jul 2026253 AMAQI
28°C26/32°C
19th Jul 2026274 AMAQI
19th Jul 2026255 AMAQI
19th Jul 2026276 AMAQI
19th Jul 2026257 AMAQI
19th Jul 2026258 AMAQI
19th Jul 2026279 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20263111 AMAQI
19th Jul 20262112 PMAQI
19th Jul 2026251 PMAQI
19th Jul 2026212 PMAQI
19th Jul 2026253 PMAQI
19th Jul 2026234 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026327 PMAQI
19th Jul 2026308 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20262910 PMAQI
19th Jul 20262711 PMAQI
20th Jul 20263412 AMAQI
20th Jul 2026361 AMAQI
20th Jul 2026442 AMAQI
20th Jul 2026333 AMAQI
29°C26/32°C
20th Jul 2026384 AMAQI
20th Jul 2026385 AMAQI
20th Jul 2026336 AMAQI
20th Jul 2026407 AMAQI
20th Jul 2026388 AMAQI
20th Jul 2026329 AMAQI
20th Jul 20262710 AMAQI
20th Jul 20262911 AMAQI
20th Jul 20262512 PMAQI
20th Jul 2026211 PMAQI
20th Jul 2026252 PMAQI
20th Jul 2026253 PMAQI
20th Jul 2026294 PMAQI
20th Jul 2026315 PMAQI
20th Jul 2026316 PMAQI
20th Jul 2026277 PMAQI
20th Jul 2026298 PMAQI
20th Jul 2026259 PMAQI
20th Jul 20262710 PMAQI
20th Jul 20262511 PMAQI
21st Jul 20262712 AMAQI
21st Jul 2026291 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026293 AMAQI
32°C28/37°C
21st Jul 2026314 AMAQI
21st Jul 2026295 AMAQI
21st Jul 2026296 AMAQI
21st Jul 2026337 AMAQI
21st Jul 2026318 AMAQI
21st Jul 2026559 AMAQI
21st Jul 20266210 AMAQI
21st Jul 20265611 AMAQI
21st Jul 2026401 PMAQI
21st Jul 2026422 PMAQI
21st Jul 2026693 PMAQI
21st Jul 2026684 PMAQI
21st Jul 2026605 PMAQI
21st Jul 2026576 PMAQI
21st Jul 2026957 PMAQI
21st Jul 2026568 PMAQI
21st Jul 2026529 PMAQI
21st Jul 20265310 PMAQI
21st Jul 20265111 PMAQI
22nd Jul 20265312 AMAQI
22nd Jul 2026531 AMAQI
22nd Jul 2026542 AMAQI
22nd Jul 2026523 AMAQI
33°C30/38°C
22nd Jul 2026524 AMAQI
22nd Jul 2026565 AMAQI
22nd Jul 2026566 AMAQI
22nd Jul 2026547 AMAQI
22nd Jul 2026528 AMAQI
22nd Jul 2026529 AMAQI
22nd Jul 20265810 AMAQI
22nd Jul 20266411 AMAQI
22nd Jul 20266712 PMAQI
22nd Jul 2026691 PMAQI
22nd Jul 2026672 PMAQI
22nd Jul 2026743 PMAQI
22nd Jul 2026704 PMAQI
22nd Jul 2026675 PMAQI
22nd Jul 2026686 PMAQI
22nd Jul 2026747 PMAQI
22nd Jul 2026708 PMAQI
22nd Jul 2026679 PMAQI
22nd Jul 20267110 PMAQI
22nd Jul 20267911 PMAQI
23rd Jul 20266712 AMAQI
23rd Jul 2026761 AMAQI
23rd Jul 2026442 AMAQI
23rd Jul 2026293 AMAQI
33°C29/37°C
23rd Jul 2026254 AMAQI
23rd Jul 2026385 AMAQI
23rd Jul 2026386 AMAQI
23rd Jul 2026527 AMAQI
23rd Jul 2026548 AMAQI
23rd Jul 2026639 AMAQI
23rd Jul 20266510 AMAQI
23rd Jul 20265811 AMAQI
23rd Jul 20265512 PMAQI
23rd Jul 2026541 PMAQI
23rd Jul 2026592 PMAQI
23rd Jul 2026453 PMAQI
23rd Jul 2026564 PMAQI
23rd Jul 2026665 PMAQI
23rd Jul 2026656 PMAQI
23rd Jul 2026607 PMAQI
23rd Jul 2026588 PMAQI
23rd Jul 2026519 PMAQI
23rd Jul 20263310 PMAQI
23rd Jul 20263311 PMAQI
24th Jul 20262912 AMAQI
24th Jul 2026231 AMAQI
24th Jul 2026362 AMAQI
24th Jul 2026253 AMAQI
33°C29/38°C
24th Jul 2026254 AMAQI
24th Jul 2026265 AMAQI
24th Jul 2026176 AMAQI
24th Jul 2026277 AMAQI
24th Jul 2026278 AMAQI
24th Jul 2026299 AMAQI
24th Jul 20263110 AMAQI
24th Jul 20262911 AMAQI
24th Jul 20264812 PMAQI
24th Jul 2026571 PMAQI
24th Jul 2026652 PMAQI
24th Jul 2026823 PMAQI
24th Jul 2026674 PMAQI
24th Jul 2026655 PMAQI
24th Jul 2026446 PMAQI
24th Jul 2026517 PMAQI
24th Jul 2026528 PMAQI
24th Jul 2026479 PMAQI
24th Jul 20265010 PMAQI
24th Jul 20264611 PMAQI
25th Jul 20265012 AMAQI
25th Jul 2026481 AMAQI
25th Jul 2026512 AMAQI
25th Jul 2026543 AMAQI
30°C28/35°C
25th Jul 2026274 AMAQI
25th Jul 2026315 AMAQI
25th Jul 2026276 AMAQI
25th Jul 2026297 AMAQI
25th Jul 2026298 AMAQI
25th Jul 2026299 AMAQI
25th Jul 20263310 AMAQI
25th Jul 20264411 AMAQI
25th Jul 20265512 PMAQI
25th Jul 2026501 PMAQI
25th Jul 2026362 PMAQI
25th Jul 2026273 PMAQI
25th Jul 2026294 PMAQI
25th Jul 2026175 PMAQI
25th Jul 2026386 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026218 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262910 PMAQI
25th Jul 20261911 PMAQI
26th Jul 20261012 AMAQI
26th Jul 2026171 AMAQI
26th Jul 2026122 AMAQI
26th Jul 202683 AMAQI
30°C26/36°C
26th Jul 202684 AMAQI
26th Jul 2026125 AMAQI
26th Jul 2026216 AMAQI
26th Jul 202687 AMAQI
26th Jul 2026178 AMAQI
26th Jul 2026179 AMAQI
26th Jul 20262110 AMAQI
26th Jul 20263611 AMAQI
26th Jul 20262912 PMAQI
26th Jul 2026441 PMAQI
26th Jul 2026442 PMAQI
26th Jul 2026293 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026238 PMAQI
26th Jul 2026239 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026253 AMAQI
29°C26/33°C
27th Jul 2026234 AMAQI
27th Jul 2026215 AMAQI
27th Jul 2026216 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026238 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20262111 AMAQI
27th Jul 20262312 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026212 PMAQI
27th Jul 2026213 PMAQI
27th Jul 2026234 PMAQI
27th Jul 2026295 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026217 PMAQI
27th Jul 2026238 PMAQI
27th Jul 2026239 PMAQI
27th Jul 20262510 PMAQI
27th Jul 20262111 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026253 AMAQI
27°C24/31°C
28th Jul 2026254 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026219 AMAQI
28th Jul 20262110 AMAQI
28th Jul 20262111 AMAQI
28th Jul 20262312 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026252 PMAQI
28th Jul 2026273 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026275 PMAQI
28th Jul 2026276 PMAQI
28th Jul 2026277 PMAQI
28th Jul 2026278 PMAQI
28th Jul 2026319 PMAQI
28th Jul 20263810 PMAQI
28th Jul 20264011 PMAQI
29th Jul 20264012 AMAQI
29th Jul 2026401 AMAQI
29th Jul 2026402 AMAQI
29th Jul 2026333 AMAQI
27°C24/31°C
29th Jul 2026334 AMAQI
29th Jul 2026365 AMAQI
29th Jul 2026336 AMAQI
29th Jul 2026337 AMAQI
29th Jul 2026338 AMAQI
29th Jul 2026339 AMAQI
29th Jul 20263110 AMAQI
29th Jul 20262911 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026271 PMAQI
29th Jul 2026232 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026274 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026233 AMAQI
29°C25/36°C
30th Jul 2026214 AMAQI
30th Jul 2026295 AMAQI
30th Jul 2026296 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026218 AMAQI
30th Jul 2026279 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262312 PMAQI
30th Jul 2026231 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026294 PMAQI
30th Jul 2026315 PMAQI
30th Jul 2026556 PMAQI
30th Jul 2026587 PMAQI
30th Jul 2026608 PMAQI
30th Jul 2026579 PMAQI
30th Jul 20264210 PMAQI
30th Jul 20264811 PMAQI
31st Jul 20265312 AMAQI
31st Jul 2026521 AMAQI
31st Jul 2026542 AMAQI
31st Jul 2026423 AMAQI
32°C28/36°C
31st Jul 2026424 AMAQI
31st Jul 2026485 AMAQI
31st Jul 2026536 AMAQI
31st Jul 2026467 AMAQI
31st Jul 2026448 AMAQI
31st Jul 2026449 AMAQI
31st Jul 20264410 AMAQI
31st Jul 20264611 AMAQI
31st Jul 20264812 PMAQI
31st Jul 2026511 PMAQI
31st Jul 2026482 PMAQI
31st Jul 2026543 PMAQI
31st Jul 2026524 PMAQI
31st Jul 2026465 PMAQI
31st Jul 2026566 PMAQI
31st Jul 2026677 PMAQI
31st Jul 2026688 PMAQI
31st Jul 2026609 PMAQI
31st Jul 20265910 PMAQI
31st Jul 20266211 PMAQI
1st Aug 20265212 AMAQI
1st Aug 2026501 AMAQI
1st Aug 2026552 AMAQI
1st Aug 2026533 AMAQI
31°C28/36°C
1st Aug 2026644 AMAQI
1st Aug 2026635 AMAQI
1st Aug 2026666 AMAQI
1st Aug 2026567 AMAQI
1st Aug 2026518 AMAQI
1st Aug 2026489 AMAQI
1st Aug 20265310 AMAQI
1st Aug 20265611 AMAQI
1st Aug 20265812 PMAQI
1st Aug 2026551 PMAQI
1st Aug 2026602 PMAQI
1st Aug 2026553 PMAQI
1st Aug 2026734 PMAQI
1st Aug 2026745 PMAQI
1st Aug 2026726 PMAQI
1st Aug 2026807 PMAQI
1st Aug 2026768 PMAQI
1st Aug 2026789 PMAQI
1st Aug 20265110 PMAQI
1st Aug 20266011 PMAQI
2nd Aug 20266312 AMAQI
2nd Aug 2026631 AMAQI
2nd Aug 2026702 AMAQI
2nd Aug 2026463 AMAQI
32°C28/36°C
2nd Aug 2026684 AMAQI
2nd Aug 2026515 AMAQI
2nd Aug 2026446 AMAQI
2nd Aug 2026497 AMAQI
2nd Aug 2026488 AMAQI
2nd Aug 2026519 AMAQI
2nd Aug 20265210 AMAQI
2nd Aug 20265211 AMAQI
2nd Aug 20265012 PMAQI
2nd Aug 2026501 PMAQI
2nd Aug 2026482 PMAQI
2nd Aug 2026573 PMAQI
2nd Aug 2026464 PMAQI
2nd Aug 2026465 PMAQI
2nd Aug 2026386 PMAQI
2nd Aug 2026127 PMAQI
2nd Aug 2026108 PMAQI
2nd Aug 202689 PMAQI
2nd Aug 20261710 PMAQI
2nd Aug 20261411 PMAQI
3rd Aug 2026812 AMAQI
3rd Aug 202681 AMAQI
3rd Aug 202682 AMAQI
3rd Aug 202663 AMAQI
31°C25/36°C
3rd Aug 2026104 AMAQI
3rd Aug 2026175 AMAQI
3rd Aug 202686 AMAQI
3rd Aug 2026107 AMAQI
3rd Aug 202688 AMAQI
3rd Aug 2026159 AMAQI
3rd Aug 20261410 AMAQI
3rd Aug 20261611 AMAQI
3rd Aug 20261212 PMAQI
3rd Aug 2026171 PMAQI
3rd Aug 2026172 PMAQI
3rd Aug 2026233 PMAQI
3rd Aug 2026214 PMAQI
3rd Aug 2026255 PMAQI
3rd Aug 2026176 PMAQI
3rd Aug 2026197 PMAQI
3rd Aug 2026218 PMAQI
3rd Aug 2026199 PMAQI
3rd Aug 20261710 PMAQI
3rd Aug 20261911 PMAQI
4th Aug 20261412 AMAQI
4th Aug 2026141 AMAQI
4th Aug 2026192 AMAQI
4th Aug 2026213 AMAQI
25°C24/27°C
4th Aug 2026214 AMAQI
4th Aug 2026215 AMAQI
4th Aug 2026256 AMAQI
4th Aug 2026217 AMAQI
4th Aug 2026218 AMAQI
4th Aug 2026219 AMAQI
4th Aug 20262110 AMAQI
4th Aug 20262311 AMAQI
4th Aug 20262112 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026252 PMAQI
4th Aug 2026233 PMAQI
4th Aug 2026254 PMAQI
4th Aug 2026255 PMAQI
4th Aug 2026236 PMAQI
4th Aug 2026257 PMAQI
4th Aug 2026238 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20262110 PMAQI
4th Aug 20262111 PMAQI
5th Aug 20262312 AMAQI
5th Aug 2026211 AMAQI
5th Aug 2026212 AMAQI
5th Aug 2026233 AMAQI
26°C22/31°C
5th Aug 2026214 AMAQI
5th Aug 2026215 AMAQI
5th Aug 2026216 AMAQI
5th Aug 2026217 AMAQI
5th Aug 2026218 AMAQI
5th Aug 2026239 AMAQI
5th Aug 20262110 AMAQI
5th Aug 20262111 AMAQI
5th Aug 20262112 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026252 PMAQI
5th Aug 2026253 PMAQI
5th Aug 2026254 PMAQI
5th Aug 2026295 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026257 PMAQI
5th Aug 2026218 PMAQI
5th Aug 2026219 PMAQI
5th Aug 20262110 PMAQI
5th Aug 20262111 PMAQI
6th Aug 20262112 AMAQI
6th Aug 2026211 AMAQI
6th Aug 2026212 AMAQI
6th Aug 2026253 AMAQI
27°C23/31°C
6th Aug 2026214 AMAQI
6th Aug 2026255 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026237 AMAQI
6th Aug 2026238 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262310 AMAQI
6th Aug 20262311 AMAQI
6th Aug 20262312 PMAQI
6th Aug 2026231 PMAQI
6th Aug 2026292 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026384 PMAQI
6th Aug 2026305 PMAQI
6th Aug 2026276 PMAQI
6th Aug 2026297 PMAQI
6th Aug 2026298 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262110 PMAQI
6th Aug 20262111 PMAQI
7th Aug 20262312 AMAQI
7th Aug 2026251 AMAQI
7th Aug 2026232 AMAQI
7th Aug 2026233 AMAQI
29°C26/34°C
7th Aug 2026234 AMAQI
7th Aug 2026275 AMAQI
7th Aug 2026256 AMAQI
7th Aug 2026257 AMAQI
7th Aug 2026258 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262510 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20263812 PMAQI
7th Aug 2026461 PMAQI
7th Aug 2026252 PMAQI
7th Aug 2026233 PMAQI
7th Aug 2026214 PMAQI
7th Aug 2026275 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026217 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20262510 PMAQI
7th Aug 20262111 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026232 AMAQI
8th Aug 2026233 AMAQI
30°C27/34°C
8th Aug 2026254 AMAQI
4 AM8th Aug 2026215 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026238 AMAQI
8th Aug 2026239 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20262511 AMAQI
11 AM8th Aug 20262512 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026212 PMAQI
8th Aug 2026213 PMAQI
8th Aug 2026234 PMAQI
8th Aug 2026235 PMAQI
8th Aug 2026236 PMAQI
6 PM8th Aug 2026257 PMAQI
8th Aug 2026218 PMAQI
8th Aug 2026239 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20262511 PMAQI
11 PM3 AM
30°C27/34°C
Day time
Avg. Highest Time
3 PM - 6 PM
36AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
4 AM
29AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 6 PM (Avg. 36), while the lowest AQI was between 4 AM to 4 AM (Avg. 29).
Night time
Avg. Highest Time
7 PM
38AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM
29AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 38), while the lowest AQI was between 3 AM to 3 AM (Avg. 29).
2026 Days Vs Air Quality
Shimohoya, Honcho, Tokyo, Japan
2026
85%
186
15%
34
Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)
Good
186 DaysModerate
34 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 220 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
Shimohoya, Honcho, 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
20AQI (US)
20AQI (US)
2nd January 2026
14AQI (US)
14AQI (US)
3rd January 2026
16AQI (US)
16AQI (US)
4th January 2026
19AQI (US)
19AQI (US)
5th January 2026
33AQI (US)
33AQI (US)
6th January 2026
13AQI (US)
13AQI (US)
7th January 2026
21AQI (US)
21AQI (US)
8th January 2026
29AQI (US)
29AQI (US)
9th January 2026
15AQI (US)
15AQI (US)
10th January 2026
35AQI (US)
35AQI (US)
11th January 2026
29AQI (US)
29AQI (US)
12th January 2026
16AQI (US)
16AQI (US)
13th January 2026
32AQI (US)
32AQI (US)
14th January 2026
14AQI (US)
14AQI (US)
15th January 2026
28AQI (US)
28AQI (US)
16th January 2026
47AQI (US)
47AQI (US)
17th January 2026
50AQI (US)
50AQI (US)
18th January 2026
17AQI (US)
17AQI (US)
19th January 2026
39AQI (US)
39AQI (US)
20th January 2026
35AQI (US)
35AQI (US)
21st January 2026
12AQI (US)
12AQI (US)
22nd January 2026
23AQI (US)
23AQI (US)
23rd January 2026
39AQI (US)
39AQI (US)
24th January 2026
40AQI (US)
40AQI (US)
25th January 2026
45AQI (US)
45AQI (US)
26th January 2026
29AQI (US)
29AQI (US)
27th January 2026
40AQI (US)
40AQI (US)
28th January 2026
11AQI (US)
11AQI (US)
29th January 2026
18AQI (US)
18AQI (US)
30th January 2026
34AQI (US)
34AQI (US)
31st January 2026
35AQI (US)
35AQI (US)
1st February 2026
37AQI (US)
37AQI (US)
2nd February 2026
43AQI (US)
43AQI (US)
3rd February 2026
31AQI (US)
31AQI (US)
4th February 2026
38AQI (US)
38AQI (US)
5th February 2026
51AQI (US)
51AQI (US)
6th February 2026
44AQI (US)
44AQI (US)
7th February 2026
14AQI (US)
14AQI (US)
8th February 2026
14AQI (US)
14AQI (US)
9th February 2026
35AQI (US)
35AQI (US)
10th February 2026
39AQI (US)
39AQI (US)
11th February 2026
53AQI (US)
53AQI (US)
12th February 2026
30AQI (US)
30AQI (US)
13th February 2026
42AQI (US)
42AQI (US)
14th February 2026
42AQI (US)
42AQI (US)
15th February 2026
54AQI (US)
54AQI (US)
16th February 2026
38AQI (US)
38AQI (US)
17th February 2026
17AQI (US)
17AQI (US)
18th February 2026
32AQI (US)
32AQI (US)
19th February 2026
29AQI (US)
29AQI (US)
20th February 2026
22AQI (US)
22AQI (US)
21st February 2026
48AQI (US)
48AQI (US)
22nd February 2026
44AQI (US)
44AQI (US)
23rd February 2026
36AQI (US)
36AQI (US)
24th February 2026
33AQI (US)
33AQI (US)
25th February 2026
37AQI (US)
37AQI (US)
26th February 2026
11AQI (US)
11AQI (US)
27th February 2026
37AQI (US)
37AQI (US)
28th February 2026
47AQI (US)
47AQI (US)
1st March 2026
39AQI (US)
39AQI (US)
2nd March 2026
82AQI (US)
82AQI (US)
3rd March 2026
46AQI (US)
46AQI (US)
4th March 2026
60AQI (US)
60AQI (US)
5th March 2026
57AQI (US)
57AQI (US)
6th March 2026
53AQI (US)
53AQI (US)
7th March 2026
40AQI (US)
40AQI (US)
8th March 2026
17AQI (US)
17AQI (US)
9th March 2026
32AQI (US)
32AQI (US)
10th March 2026
58AQI (US)
58AQI (US)
11th March 2026
58AQI (US)
58AQI (US)
12th March 2026
69AQI (US)
69AQI (US)
13th March 2026
44AQI (US)
44AQI (US)
14th March 2026
46AQI (US)
46AQI (US)
15th March 2026
60AQI (US)
60AQI (US)
16th March 2026
58AQI (US)
58AQI (US)
17th March 2026
54AQI (US)
54AQI (US)
18th March 2026
57AQI (US)
57AQI (US)
19th March 2026
34AQI (US)
34AQI (US)
20th March 2026
30AQI (US)
30AQI (US)
21st March 2026
53AQI (US)
53AQI (US)
22nd March 2026
48AQI (US)
48AQI (US)
23rd March 2026
53AQI (US)
53AQI (US)
24th March 2026
55AQI (US)
55AQI (US)
25th March 2026
60AQI (US)
60AQI (US)
26th March 2026
31AQI (US)
31AQI (US)
27th March 2026
23AQI (US)
23AQI (US)
28th March 2026
49AQI (US)
49AQI (US)
29th March 2026
51AQI (US)
51AQI (US)
30th March 2026
57AQI (US)
57AQI (US)
31st March 2026
24AQI (US)
24AQI (US)
1st April 2026
23AQI (US)
23AQI (US)
2nd April 2026
36AQI (US)
36AQI (US)
3rd April 2026
43AQI (US)
43AQI (US)
4th April 2026
44AQI (US)
44AQI (US)
5th April 2026
37AQI (US)
37AQI (US)
6th April 2026
28AQI (US)
28AQI (US)
7th April 2026
38AQI (US)
38AQI (US)
8th April 2026
21AQI (US)
21AQI (US)
9th April 2026
33AQI (US)
33AQI (US)
10th April 2026
46AQI (US)
46AQI (US)
11th April 2026
42AQI (US)
42AQI (US)
12th April 2026
26AQI (US)
26AQI (US)
13th April 2026
35AQI (US)
35AQI (US)
14th April 2026
40AQI (US)
40AQI (US)
15th April 2026
40AQI (US)
40AQI (US)
16th April 2026
35AQI (US)
35AQI (US)
17th April 2026
39AQI (US)
39AQI (US)
18th April 2026
33AQI (US)
33AQI (US)
19th April 2026
40AQI (US)
40AQI (US)
20th April 2026
38AQI (US)
38AQI (US)
21st April 2026
39AQI (US)
39AQI (US)
22nd April 2026
46AQI (US)
46AQI (US)
23rd April 2026
37AQI (US)
37AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
45AQI (US)
45AQI (US)
26th April 2026
51AQI (US)
51AQI (US)
27th April 2026
49AQI (US)
49AQI (US)
28th April 2026
42AQI (US)
42AQI (US)
29th April 2026
39AQI (US)
39AQI (US)
30th April 2026
38AQI (US)
38AQI (US)
1st May 2026
48AQI (US)
48AQI (US)
2nd May 2026
51AQI (US)
51AQI (US)
3rd May 2026
47AQI (US)
47AQI (US)
4th May 2026
27AQI (US)
27AQI (US)
5th May 2026
21AQI (US)
21AQI (US)
6th May 2026
32AQI (US)
32AQI (US)
7th May 2026
33AQI (US)
33AQI (US)
8th May 2026
26AQI (US)
26AQI (US)
9th May 2026
25AQI (US)
25AQI (US)
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
33AQI (US)
33AQI (US)
12th May 2026
36AQI (US)
36AQI (US)
13th May 2026
49AQI (US)
49AQI (US)
14th May 2026
32AQI (US)
32AQI (US)
15th May 2026
37AQI (US)
37AQI (US)
16th May 2026
86AQI (US)
86AQI (US)
17th May 2026
69AQI (US)
69AQI (US)
18th May 2026
53AQI (US)
53AQI (US)
19th May 2026
48AQI (US)
48AQI (US)
20th May 2026
62AQI (US)
62AQI (US)
21st May 2026
59AQI (US)
59AQI (US)
22nd May 2026
60AQI (US)
60AQI (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
24AQI (US)
24AQI (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
26AQI (US)
26AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
21AQI (US)
21AQI (US)
7th June 2026
23AQI (US)
23AQI (US)
8th June 2026
21AQI (US)
21AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
25AQI (US)
25AQI (US)
13th June 2026
36AQI (US)
36AQI (US)
14th June 2026
33AQI (US)
33AQI (US)
15th June 2026
16AQI (US)
16AQI (US)
16th June 2026
26AQI (US)
26AQI (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
23AQI (US)
23AQI (US)
21st June 2026
19AQI (US)
19AQI (US)
22nd June 2026
19AQI (US)
19AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
22AQI (US)
22AQI (US)
25th June 2026
27AQI (US)
27AQI (US)
26th June 2026
29AQI (US)
29AQI (US)
27th June 2026
27AQI (US)
27AQI (US)
28th June 2026
29AQI (US)
29AQI (US)
29th June 2026
28AQI (US)
28AQI (US)
30th June 2026
28AQI (US)
28AQI (US)
1st July 2026
28AQI (US)
28AQI (US)
2nd July 2026
23AQI (US)
23AQI (US)
3rd July 2026
21AQI (US)
21AQI (US)
4th July 2026
31AQI (US)
31AQI (US)
5th July 2026
17AQI (US)
17AQI (US)
6th July 2026
26AQI (US)
26AQI (US)
7th July 2026
26AQI (US)
26AQI (US)
8th July 2026
24AQI (US)
24AQI (US)
9th July 2026
23AQI (US)
23AQI (US)
10th July 2026
24AQI (US)
24AQI (US)
11th July 2026
26AQI (US)
26AQI (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
29AQI (US)
29AQI (US)
16th July 2026
46AQI (US)
46AQI (US)
17th July 2026
45AQI (US)
45AQI (US)
18th July 2026
22AQI (US)
22AQI (US)
19th July 2026
26AQI (US)
26AQI (US)
20th July 2026
31AQI (US)
31AQI (US)
21st July 2026
47AQI (US)
47AQI (US)
22nd July 2026
62AQI (US)
62AQI (US)
23rd July 2026
52AQI (US)
52AQI (US)
24th July 2026
42AQI (US)
42AQI (US)
25th July 2026
34AQI (US)
34AQI (US)
26th July 2026
22AQI (US)
22AQI (US)
27th July 2026
23AQI (US)
23AQI (US)
28th July 2026
25AQI (US)
25AQI (US)
29th July 2026
29AQI (US)
29AQI (US)
30th July 2026
32AQI (US)
32AQI (US)
31st July 2026
52AQI (US)
52AQI (US)
1st August 2026
61AQI (US)
61AQI (US)
2nd August 2026
44AQI (US)
44AQI (US)
3rd August 2026
15AQI (US)
15AQI (US)
4th August 2026
22AQI (US)
22AQI (US)
5th August 2026
23AQI (US)
23AQI (US)
6th August 2026
25AQI (US)
25AQI (US)
7th August 2026
26AQI (US)
26AQI (US)
8th August 2026
24AQI (US)
24AQI (US)
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
27AQI (US)
36AQI (US)
48AQI (US)
38AQI (US)
42AQI (US)
25AQI (US)
31AQI (US)
30AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
31
25
3
14
17
29
1
22
9
30
28
3
7
1
186
34
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202533AQI (US)
31
28
29
2
30
31
30
23
8
23
8
29
1
20
11
24
6
23
8
321
44
Highest AQI (US) recorded in
July46AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
202429AQI (US)
31
29
31
30
29
2
30
24
7
31
30
30
1
27
3
31
353
13
Highest AQI (US) recorded in
July39AQI (US)
Lowest AQI (US) recorded in
December24AQI (US)
202330AQI (US)
29
1
25
3
29
2
24
6
30
1
28
2
29
2
31
29
1
31
27
2
29
2
341
22
Highest AQI (US) recorded in
April35AQI (US)
Lowest AQI (US) recorded in
August20AQI (US)
202231AQI (US)
30
21
26
5
15
2
30
1
28
2
20
1
1
27
1
31
30
31
290
12
Highest AQI (US) recorded in
March39AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202122AQI (US)
30
1
28
29
2
30
30
1
29
1
31
30
1
30
31
30
31
359
6
Highest AQI (US) recorded in
May32AQI (US)
Lowest AQI (US) recorded in
February14AQI (US)
202017AQI (US)
13
21
18
30
31
31
19
31
30
31
255
Highest AQI (US) recorded in
August26AQI (US)
Lowest AQI (US) recorded in
April12AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2026(Avg.)
35AQI (US)Least Polluted Year Recorded
2020(Avg.)
17AQI (US)Shimohoya's annual 2026 AQI (US) (35) shows an average percentage change of 36.8% (worsened AQI (US)) compared to previous years: 2020 (17), 2021 (22), 2022 (31), 2023 (30), 2024 (29), 2025 (33).
