Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Honcho, Chiba, 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+

July Air Quality Analysis

Honcho, Chiba, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
7th Jul 2025
79AQI
Lowest AQI recorded on
6th Jul 2022
16AQI

Same Day Analysis (31st July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2024 on the same day.

Day & Night AQI Trend: 30th Jul - 31st Jul 2026

Honcho, Chiba, Japan

AQI
Day
Night
.

4 AM30th Jul 2026

6 PM

3 AM31st Jul 2026

Day time
Avg. Highest Time
6PM30th Jul

56AQI

Avg. Lowest Time
9AM30th Jul

21AQI

Night time
Avg. Highest Time
7PM30th Jul

58AQI

Avg. Lowest Time
3AM31st Jul

38AQI

In the last 24 hours,

Honcho's AQI reached its highest point of 58 at 7 PM during the Night, while the lowest point, 21, was recorded at 9 AM during the Day between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Honcho, Chiba, Japan

Jul
02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st
Day
Night
2nd Jul 2026364 AMAQI
2nd Jul 2026345 AMAQI
2nd Jul 2026456 AMAQI
2nd Jul 2026317 AMAQI
2nd Jul 2026278 AMAQI
2nd Jul 2026229 AMAQI
2nd Jul 20261610 AMAQI
2nd Jul 20261811 AMAQI
2nd Jul 20261212 PMAQI
2nd Jul 2026181 PMAQI
2nd Jul 202652 PMAQI
2nd Jul 2026173 PMAQI
2nd Jul 2026124 PMAQI
2nd Jul 202685 PMAQI
2nd Jul 202666 PMAQI
2nd Jul 202687 PMAQI
2nd Jul 202678 PMAQI
2nd Jul 202689 PMAQI
2nd Jul 20261410 PMAQI
2nd Jul 20261211 PMAQI
3rd Jul 2026812 AMAQI
3rd Jul 202681 AMAQI
3rd Jul 2026122 AMAQI
3rd Jul 202683 AMAQI

21°C20/23°C

3rd Jul 2026114 AMAQI
3rd Jul 2026135 AMAQI
3rd Jul 2026146 AMAQI
3rd Jul 202697 AMAQI
3rd Jul 2026148 AMAQI
3rd Jul 2026229 AMAQI
3rd Jul 20261610 AMAQI
3rd Jul 20262211 AMAQI
3rd Jul 20261712 PMAQI
3rd Jul 2026201 PMAQI
3rd Jul 2026212 PMAQI
3rd Jul 2026173 PMAQI
3rd Jul 2026174 PMAQI
3rd Jul 2026215 PMAQI
3rd Jul 2026256 PMAQI
3rd Jul 2026277 PMAQI
3rd Jul 2026278 PMAQI
3rd Jul 2026269 PMAQI
3rd Jul 20262710 PMAQI
3rd Jul 20262911 PMAQI
4th Jul 20262912 AMAQI
4th Jul 2026301 AMAQI
4th Jul 2026302 AMAQI
4th Jul 2026303 AMAQI

22°C20/25°C

4th Jul 2026294 AMAQI
4th Jul 2026285 AMAQI
4th Jul 2026306 AMAQI
4th Jul 2026487 AMAQI
4th Jul 2026638 AMAQI
4th Jul 2026589 AMAQI
4th Jul 20266010 AMAQI
4th Jul 20265011 AMAQI
4th Jul 20265612 PMAQI
4th Jul 2026611 PMAQI
4th Jul 2026612 PMAQI
4th Jul 2026583 PMAQI
4th Jul 2026424 PMAQI
4th Jul 2026365 PMAQI
4th Jul 2026296 PMAQI
4th Jul 2026177 PMAQI
4th Jul 2026188 PMAQI
4th Jul 2026159 PMAQI
4th Jul 20261610 PMAQI
4th Jul 20261711 PMAQI
5th Jul 20261712 AMAQI
5th Jul 2026171 AMAQI
5th Jul 2026142 AMAQI
5th Jul 2026133 AMAQI

23°C21/26°C

5th Jul 2026124 AMAQI
5th Jul 202685 AMAQI
5th Jul 202696 AMAQI
5th Jul 2026107 AMAQI
5th Jul 2026108 AMAQI
5th Jul 202689 AMAQI
5th Jul 20261210 AMAQI
5th Jul 20262111 AMAQI
5th Jul 20261812 PMAQI
5th Jul 2026291 PMAQI
5th Jul 2026302 PMAQI
5th Jul 2026283 PMAQI
5th Jul 2026274 PMAQI
5th Jul 2026265 PMAQI
5th Jul 2026276 PMAQI
5th Jul 2026347 PMAQI
5th Jul 2026308 PMAQI
5th Jul 2026219 PMAQI
5th Jul 20263110 PMAQI
5th Jul 20263111 PMAQI
6th Jul 20262812 AMAQI
6th Jul 2026281 AMAQI
6th Jul 2026342 AMAQI
6th Jul 2026363 AMAQI

23°C22/25°C

6th Jul 2026324 AMAQI
6th Jul 2026265 AMAQI
6th Jul 2026346 AMAQI
6th Jul 2026327 AMAQI
6th Jul 2026288 AMAQI
6th Jul 2026219 AMAQI
6th Jul 20262410 AMAQI
6th Jul 20262411 AMAQI
6th Jul 20262012 PMAQI
6th Jul 2026201 PMAQI
6th Jul 2026222 PMAQI
6th Jul 2026243 PMAQI
6th Jul 2026244 PMAQI
6th Jul 2026205 PMAQI
6th Jul 2026206 PMAQI
6th Jul 2026207 PMAQI
6th Jul 2026278 PMAQI
6th Jul 2026279 PMAQI
6th Jul 20262610 PMAQI
6th Jul 20262611 PMAQI
7th Jul 20262912 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026292 AMAQI
7th Jul 2026283 AMAQI

22°C21/24°C

7th Jul 2026264 AMAQI
7th Jul 2026285 AMAQI
7th Jul 2026296 AMAQI
7th Jul 2026267 AMAQI
7th Jul 2026278 AMAQI
7th Jul 2026249 AMAQI
7th Jul 20262210 AMAQI
7th Jul 20262011 AMAQI
7th Jul 20262212 PMAQI
7th Jul 2026221 PMAQI
7th Jul 2026242 PMAQI
7th Jul 2026183 PMAQI
7th Jul 2026184 PMAQI
7th Jul 2026165 PMAQI
7th Jul 2026276 PMAQI
7th Jul 2026267 PMAQI
7th Jul 2026248 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262510 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20262912 AMAQI
8th Jul 2026281 AMAQI
8th Jul 2026262 AMAQI
8th Jul 2026283 AMAQI

24°C20/29°C

8th Jul 2026244 AMAQI
8th Jul 2026285 AMAQI
8th Jul 2026266 AMAQI
8th Jul 2026277 AMAQI
8th Jul 2026278 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262510 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262412 PMAQI
8th Jul 2026221 PMAQI
8th Jul 2026242 PMAQI
8th Jul 2026263 PMAQI
8th Jul 2026244 PMAQI
8th Jul 2026245 PMAQI
8th Jul 2026226 PMAQI
8th Jul 2026187 PMAQI
8th Jul 2026168 PMAQI
8th Jul 2026149 PMAQI
8th Jul 20262210 PMAQI
8th Jul 20262411 PMAQI
9th Jul 20262812 AMAQI
9th Jul 2026261 AMAQI
9th Jul 2026232 AMAQI
9th Jul 2026273 AMAQI

25°C21/29°C

9th Jul 2026244 AMAQI
9th Jul 2026255 AMAQI
9th Jul 2026266 AMAQI
9th Jul 2026277 AMAQI
9th Jul 2026248 AMAQI
9th Jul 2026229 AMAQI
9th Jul 20262310 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262412 PMAQI
9th Jul 2026231 PMAQI
9th Jul 2026262 PMAQI
9th Jul 2026273 PMAQI
9th Jul 2026274 PMAQI
9th Jul 2026255 PMAQI
9th Jul 2026226 PMAQI
9th Jul 2026247 PMAQI
9th Jul 2026248 PMAQI
9th Jul 2026249 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262412 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026252 AMAQI
10th Jul 2026173 AMAQI

25°C22/29°C

10th Jul 2026244 AMAQI
10th Jul 2026185 AMAQI
10th Jul 2026276 AMAQI
10th Jul 2026267 AMAQI
10th Jul 2026288 AMAQI
10th Jul 2026269 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262612 PMAQI
10th Jul 2026241 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026213 PMAQI
10th Jul 2026224 PMAQI
10th Jul 2026275 PMAQI
10th Jul 2026186 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026268 PMAQI
10th Jul 2026199 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20261812 AMAQI
11th Jul 202681 AMAQI
11th Jul 2026182 AMAQI
11th Jul 2026293 AMAQI

26°C23/29°C

11th Jul 2026164 AMAQI
11th Jul 202685 AMAQI
11th Jul 2026196 AMAQI
11th Jul 2026287 AMAQI
11th Jul 2026308 AMAQI
11th Jul 2026339 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20262611 AMAQI
11th Jul 20262412 PMAQI
11th Jul 2026221 PMAQI
11th Jul 2026202 PMAQI
11th Jul 2026213 PMAQI
11th Jul 2026244 PMAQI
11th Jul 2026285 PMAQI
11th Jul 2026186 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026109 PMAQI
11th Jul 20261610 PMAQI
11th Jul 20262211 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026291 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026293 AMAQI

26°C23/28°C

12th Jul 2026204 AMAQI
12th Jul 2026195 AMAQI
12th Jul 2026276 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026298 AMAQI
12th Jul 2026309 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026231 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026233 PMAQI
12th Jul 2026264 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026289 PMAQI
12th Jul 20263110 PMAQI
12th Jul 20262911 PMAQI
13th Jul 20263112 AMAQI
13th Jul 2026281 AMAQI
13th Jul 2026302 AMAQI
13th Jul 2026313 AMAQI

25°C24/27°C

13th Jul 2026284 AMAQI
13th Jul 2026305 AMAQI
13th Jul 2026276 AMAQI
13th Jul 2026297 AMAQI
13th Jul 2026308 AMAQI
13th Jul 2026309 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20262911 AMAQI
13th Jul 20262812 PMAQI
13th Jul 2026261 PMAQI
13th Jul 2026302 PMAQI
13th Jul 2026303 PMAQI
13th Jul 2026424 PMAQI
13th Jul 2026465 PMAQI
13th Jul 2026526 PMAQI
13th Jul 2026567 PMAQI
13th Jul 2026508 PMAQI
13th Jul 2026519 PMAQI
13th Jul 20265010 PMAQI
13th Jul 20265411 PMAQI
14th Jul 20265312 AMAQI
14th Jul 2026561 AMAQI
14th Jul 2026582 AMAQI
14th Jul 2026523 AMAQI

26°C25/30°C

14th Jul 2026484 AMAQI
14th Jul 2026655 AMAQI
14th Jul 2026526 AMAQI
14th Jul 2026527 AMAQI
14th Jul 2026548 AMAQI
14th Jul 2026519 AMAQI
14th Jul 20265210 AMAQI
14th Jul 20265211 AMAQI
14th Jul 20265012 PMAQI
14th Jul 2026521 PMAQI
14th Jul 2026532 PMAQI
14th Jul 2026523 PMAQI
14th Jul 2026484 PMAQI
14th Jul 2026335 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026297 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026319 PMAQI
14th Jul 20263810 PMAQI
14th Jul 20263611 PMAQI
15th Jul 20264012 AMAQI
15th Jul 2026411 AMAQI
15th Jul 2026412 AMAQI
15th Jul 2026383 AMAQI

27°C24/30°C

15th Jul 2026414 AMAQI
15th Jul 2026405 AMAQI
15th Jul 2026406 AMAQI
15th Jul 2026367 AMAQI
15th Jul 2026338 AMAQI
15th Jul 2026439 AMAQI
15th Jul 20264610 AMAQI
15th Jul 20265211 AMAQI
15th Jul 20265612 PMAQI
15th Jul 2026561 PMAQI
15th Jul 2026562 PMAQI
15th Jul 2026603 PMAQI
15th Jul 2026574 PMAQI
15th Jul 2026415 PMAQI
15th Jul 2026446 PMAQI
15th Jul 2026487 PMAQI
15th Jul 2026528 PMAQI
15th Jul 2026399 PMAQI
15th Jul 20264210 PMAQI
15th Jul 20264411 PMAQI
16th Jul 20265212 AMAQI
16th Jul 2026451 AMAQI
16th Jul 2026402 AMAQI
16th Jul 2026343 AMAQI

28°C25/31°C

16th Jul 2026664 AMAQI
16th Jul 2026645 AMAQI
16th Jul 2026626 AMAQI
16th Jul 2026687 AMAQI
16th Jul 2026798 AMAQI
16th Jul 2026829 AMAQI
16th Jul 20267810 AMAQI
16th Jul 20268011 AMAQI
16th Jul 20267812 PMAQI
16th Jul 2026781 PMAQI
16th Jul 2026832 PMAQI
16th Jul 2026853 PMAQI
16th Jul 2026844 PMAQI
16th Jul 2026795 PMAQI
16th Jul 2026726 PMAQI
16th Jul 2026727 PMAQI
16th Jul 2026808 PMAQI
16th Jul 2026789 PMAQI
16th Jul 20267010 PMAQI
16th Jul 20267011 PMAQI
17th Jul 20266812 AMAQI
17th Jul 2026671 AMAQI
17th Jul 2026632 AMAQI
17th Jul 2026543 AMAQI

29°C26/33°C

17th Jul 2026544 AMAQI
17th Jul 2026505 AMAQI
17th Jul 2026476 AMAQI
17th Jul 2026527 AMAQI
17th Jul 2026528 AMAQI
17th Jul 2026549 AMAQI
17th Jul 20266210 AMAQI
17th Jul 20267011 AMAQI
17th Jul 20267812 PMAQI
17th Jul 2026581 PMAQI
17th Jul 2026302 PMAQI
17th Jul 2026303 PMAQI
17th Jul 2026514 PMAQI
17th Jul 2026525 PMAQI
17th Jul 2026566 PMAQI
17th Jul 2026567 PMAQI
17th Jul 2026568 PMAQI
17th Jul 2026519 PMAQI
17th Jul 20264710 PMAQI
17th Jul 20263411 PMAQI
18th Jul 20263112 AMAQI
18th Jul 2026361 AMAQI
18th Jul 2026382 AMAQI
18th Jul 2026423 AMAQI

28°C26/30°C

18th Jul 2026384 AMAQI
18th Jul 2026415 AMAQI
18th Jul 2026176 AMAQI
18th Jul 2026207 AMAQI
18th Jul 2026188 AMAQI
18th Jul 2026259 AMAQI
18th Jul 20262810 AMAQI
18th Jul 20262911 AMAQI
18th Jul 20262812 PMAQI
18th Jul 2026201 PMAQI
18th Jul 2026232 PMAQI
18th Jul 2026143 PMAQI
18th Jul 2026194 PMAQI
18th Jul 2026215 PMAQI
18th Jul 2026176 PMAQI
18th Jul 2026167 PMAQI
18th Jul 2026178 PMAQI
18th Jul 202689 PMAQI
18th Jul 2026910 PMAQI
18th Jul 20261111 PMAQI
19th Jul 20261212 AMAQI
19th Jul 2026161 AMAQI
19th Jul 2026122 AMAQI
19th Jul 2026123 AMAQI

27°C25/29°C

19th Jul 2026124 AMAQI
19th Jul 2026165 AMAQI
19th Jul 2026136 AMAQI
19th Jul 2026147 AMAQI
19th Jul 2026158 AMAQI
19th Jul 2026149 AMAQI
19th Jul 20261410 AMAQI
19th Jul 20262011 AMAQI
19th Jul 20261312 PMAQI
19th Jul 2026181 PMAQI
19th Jul 2026252 PMAQI
19th Jul 2026253 PMAQI
19th Jul 2026214 PMAQI
19th Jul 2026215 PMAQI
19th Jul 2026236 PMAQI
19th Jul 2026257 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262711 PMAQI
20th Jul 20262112 AMAQI
20th Jul 2026211 AMAQI
20th Jul 2026232 AMAQI
20th Jul 2026253 AMAQI

27°C24/29°C

20th Jul 2026234 AMAQI
20th Jul 2026235 AMAQI
20th Jul 2026256 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026238 AMAQI
20th Jul 2026239 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20262911 AMAQI
20th Jul 20262412 PMAQI
20th Jul 2026211 PMAQI
20th Jul 2026232 PMAQI
20th Jul 2026233 PMAQI
20th Jul 2026324 PMAQI
20th Jul 2026365 PMAQI
20th Jul 2026506 PMAQI
20th Jul 2026447 PMAQI
20th Jul 2026438 PMAQI
20th Jul 2026409 PMAQI
20th Jul 20263610 PMAQI
20th Jul 20263411 PMAQI
21st Jul 20263612 AMAQI
21st Jul 2026321 AMAQI
21st Jul 2026302 AMAQI
21st Jul 2026343 AMAQI

29°C25/33°C

21st Jul 2026374 AMAQI
21st Jul 2026385 AMAQI
21st Jul 2026366 AMAQI
21st Jul 2026287 AMAQI
21st Jul 2026318 AMAQI
21st Jul 2026379 AMAQI
21st Jul 20265610 AMAQI
21st Jul 20265211 AMAQI
21st Jul 2026551 PMAQI
21st Jul 2026562 PMAQI
21st Jul 2026603 PMAQI
21st Jul 2026594 PMAQI
21st Jul 2026585 PMAQI
21st Jul 2026546 PMAQI
21st Jul 2026917 PMAQI
21st Jul 2026488 PMAQI
21st Jul 2026479 PMAQI
21st Jul 20265410 PMAQI
21st Jul 20265511 PMAQI
22nd Jul 20265612 AMAQI
22nd Jul 2026571 AMAQI
22nd Jul 2026642 AMAQI
22nd Jul 2026623 AMAQI

29°C26/34°C

22nd Jul 2026624 AMAQI
22nd Jul 2026625 AMAQI
22nd Jul 2026606 AMAQI
22nd Jul 2026607 AMAQI
22nd Jul 2026668 AMAQI
22nd Jul 2026659 AMAQI
22nd Jul 20266410 AMAQI
22nd Jul 20266811 AMAQI
22nd Jul 20267312 PMAQI
22nd Jul 2026841 PMAQI
22nd Jul 2026712 PMAQI
22nd Jul 2026643 PMAQI
22nd Jul 2026624 PMAQI
22nd Jul 2026625 PMAQI
22nd Jul 2026666 PMAQI
22nd Jul 2026647 PMAQI
22nd Jul 2026688 PMAQI
22nd Jul 2026729 PMAQI
22nd Jul 20267210 PMAQI
22nd Jul 20267811 PMAQI
23rd Jul 20267012 AMAQI
23rd Jul 2026661 AMAQI
23rd Jul 2026682 AMAQI
23rd Jul 2026703 AMAQI

29°C26/33°C

23rd Jul 2026664 AMAQI
23rd Jul 2026635 AMAQI
23rd Jul 2026646 AMAQI
23rd Jul 2026637 AMAQI
23rd Jul 2026648 AMAQI
23rd Jul 2026649 AMAQI
23rd Jul 20266710 AMAQI
23rd Jul 20266911 AMAQI
23rd Jul 20267612 PMAQI
23rd Jul 2026761 PMAQI
23rd Jul 2026762 PMAQI
23rd Jul 2026743 PMAQI
23rd Jul 2026704 PMAQI
23rd Jul 2026675 PMAQI
23rd Jul 2026586 PMAQI
23rd Jul 2026527 PMAQI
23rd Jul 2026418 PMAQI
23rd Jul 2026289 PMAQI
23rd Jul 20262510 PMAQI
23rd Jul 20261611 PMAQI
24th Jul 20262312 AMAQI
24th Jul 2026221 AMAQI
24th Jul 2026242 AMAQI
24th Jul 2026263 AMAQI

31°C27/36°C

24th Jul 2026194 AMAQI
24th Jul 2026205 AMAQI
24th Jul 2026266 AMAQI
24th Jul 2026267 AMAQI
24th Jul 2026328 AMAQI
24th Jul 2026479 AMAQI
24th Jul 20264510 AMAQI
24th Jul 20264111 AMAQI
24th Jul 20264812 PMAQI
24th Jul 2026471 PMAQI
24th Jul 2026552 PMAQI
24th Jul 2026613 PMAQI
24th Jul 2026594 PMAQI
24th Jul 2026435 PMAQI
24th Jul 2026366 PMAQI
24th Jul 2026387 PMAQI
24th Jul 2026318 PMAQI
24th Jul 2026369 PMAQI
24th Jul 20263610 PMAQI
24th Jul 20264211 PMAQI
25th Jul 20265012 AMAQI
25th Jul 2026501 AMAQI
25th Jul 2026332 AMAQI
25th Jul 2026223 AMAQI

29°C26/33°C

25th Jul 2026254 AMAQI
25th Jul 2026295 AMAQI
25th Jul 2026216 AMAQI
25th Jul 2026257 AMAQI
25th Jul 2026288 AMAQI
25th Jul 2026379 AMAQI
25th Jul 20264810 AMAQI
25th Jul 20264911 AMAQI
25th Jul 20265712 PMAQI
25th Jul 2026541 PMAQI
25th Jul 2026472 PMAQI
25th Jul 2026473 PMAQI
25th Jul 2026484 PMAQI
25th Jul 2026395 PMAQI
25th Jul 2026276 PMAQI
25th Jul 2026237 PMAQI
25th Jul 2026278 PMAQI
25th Jul 2026299 PMAQI
25th Jul 20263310 PMAQI
25th Jul 20263811 PMAQI
26th Jul 20263612 AMAQI
26th Jul 2026381 AMAQI
26th Jul 2026332 AMAQI
26th Jul 2026383 AMAQI

28°C24/33°C

26th Jul 2026384 AMAQI
26th Jul 2026365 AMAQI
26th Jul 2026386 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026338 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262610 AMAQI
26th Jul 20262411 AMAQI
26th Jul 20262912 PMAQI
26th Jul 2026581 PMAQI
26th Jul 2026322 PMAQI
26th Jul 2026503 PMAQI
26th Jul 2026324 PMAQI
26th Jul 2026285 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026307 PMAQI
26th Jul 2026348 PMAQI
26th Jul 2026289 PMAQI
26th Jul 20262710 PMAQI
26th Jul 20262211 PMAQI
27th Jul 20262312 AMAQI
27th Jul 2026331 AMAQI
27th Jul 2026292 AMAQI
27th Jul 2026333 AMAQI

27°C24/31°C

27th Jul 2026214 AMAQI
27th Jul 2026255 AMAQI
27th Jul 2026316 AMAQI
27th Jul 2026277 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026339 AMAQI
27th Jul 20263810 AMAQI
27th Jul 20263311 AMAQI
27th Jul 20262512 PMAQI
27th Jul 2026301 PMAQI
27th Jul 2026272 PMAQI
27th Jul 2026333 PMAQI
27th Jul 2026294 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026336 PMAQI
27th Jul 2026217 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262510 PMAQI
27th Jul 20262211 PMAQI
28th Jul 20262212 AMAQI
28th Jul 2026231 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026253 AMAQI

26°C23/29°C

28th Jul 2026254 AMAQI
28th Jul 2026255 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026249 AMAQI
28th Jul 20262110 AMAQI
28th Jul 20262211 AMAQI
28th Jul 20262912 PMAQI
28th Jul 2026311 PMAQI
28th Jul 2026322 PMAQI
28th Jul 2026293 PMAQI
28th Jul 2026304 PMAQI
28th Jul 2026285 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026297 PMAQI
28th Jul 2026308 PMAQI
28th Jul 2026319 PMAQI
28th Jul 20263010 PMAQI
28th Jul 20263711 PMAQI
29th Jul 20265012 AMAQI
29th Jul 2026511 AMAQI
29th Jul 2026532 AMAQI
29th Jul 2026373 AMAQI

26°C23/30°C

29th Jul 2026524 AMAQI
29th Jul 2026525 AMAQI
29th Jul 2026526 AMAQI
29th Jul 2026467 AMAQI
29th Jul 2026368 AMAQI
29th Jul 2026419 AMAQI
29th Jul 20263810 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026332 PMAQI
29th Jul 2026243 PMAQI
29th Jul 2026294 PMAQI
29th Jul 2026335 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262310 PMAQI
29th Jul 20262911 PMAQI
30th Jul 20262612 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026213 AMAQI

28°C24/34°C

30th Jul 2026234 AMAQI
30th Jul 2026225 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026218 AMAQI
30th Jul 2026219 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262611 AMAQI
30th Jul 20262912 PMAQI
30th Jul 2026381 PMAQI
30th Jul 2026452 PMAQI
30th Jul 2026523 PMAQI
30th Jul 2026534 PMAQI
30th Jul 2026545 PMAQI
30th Jul 2026566 PMAQI
30th Jul 2026587 PMAQI
30th Jul 2026548 PMAQI
30th Jul 2026519 PMAQI
30th Jul 20264610 PMAQI
30th Jul 20265111 PMAQI
31st Jul 20265212 AMAQI
31st Jul 2026471 AMAQI
31st Jul 2026382 AMAQI
31st Jul 2026383 AMAQI

30°C27/34°C

31st Jul 2026384 AMAQI
4 AM
31st Jul 2026395 AMAQI
31st Jul 2026406 AMAQI
31st Jul 2026427 AMAQI
31st Jul 2026398 AMAQI
31st Jul 2026429 AMAQI
31st Jul 20264710 AMAQI
31st Jul 20265211 AMAQI
11 AM
31st Jul 20265212 PMAQI
31st Jul 2026521 PMAQI
31st Jul 2026502 PMAQI
31st Jul 2026433 PMAQI
31st Jul 2026424 PMAQI
31st Jul 2026485 PMAQI
31st Jul 2026506 PMAQI
6 PM
31st Jul 2026547 PMAQI
31st Jul 2026528 PMAQI
31st Jul 2026479 PMAQI
31st Jul 20264710 PMAQI
31st Jul 20264811 PMAQI
11 PM
3 AM

30°C27/34°C

Day time
Avg. Highest Time
1 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 1 PM to 1 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

36AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
9 PM

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. 36), while the lowest AQI was between 9 PM to 9 PM (Avg. 32).

2026 Days Vs Air Quality

Honcho, Chiba, Japan

2026

88%

186

12%

26

Total number of days with different AQI categories in last 212 days in 2026 (153 days remaining)

Good
186 Days
Moderate
26 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 88%

Health Risk Level:

Low

In 2026, 88% of 212 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

Honcho, Chiba, 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
14AQI (US)
2nd January 2026
23AQI (US)
3rd January 2026
15AQI (US)
4th January 2026
28AQI (US)
5th January 2026
44AQI (US)
6th January 2026
20AQI (US)
7th January 2026
32AQI (US)
8th January 2026
39AQI (US)
9th January 2026
16AQI (US)
10th January 2026
30AQI (US)
11th January 2026
32AQI (US)
12th January 2026
21AQI (US)
13th January 2026
36AQI (US)
14th January 2026
15AQI (US)
15th January 2026
30AQI (US)
16th January 2026
48AQI (US)
17th January 2026
56AQI (US)
18th January 2026
30AQI (US)
19th January 2026
44AQI (US)
20th January 2026
38AQI (US)
21st January 2026
14AQI (US)
22nd January 2026
23AQI (US)
23rd January 2026
40AQI (US)
24th January 2026
40AQI (US)
25th January 2026
38AQI (US)
26th January 2026
17AQI (US)
27th January 2026
38AQI (US)
28th January 2026
39AQI (US)
29th January 2026
18AQI (US)
30th January 2026
22AQI (US)
31st January 2026
38AQI (US)
1st February 2026
36AQI (US)
2nd February 2026
47AQI (US)
3rd February 2026
28AQI (US)
4th February 2026
40AQI (US)
5th February 2026
66AQI (US)
6th February 2026
74AQI (US)
7th February 2026
13AQI (US)
8th February 2026
10AQI (US)
9th February 2026
34AQI (US)
10th February 2026
42AQI (US)
11th February 2026
44AQI (US)
12th February 2026
29AQI (US)
13th February 2026
46AQI (US)
14th February 2026
57AQI (US)
15th February 2026
59AQI (US)
16th February 2026
48AQI (US)
17th February 2026
17AQI (US)
18th February 2026
32AQI (US)
19th February 2026
16AQI (US)
20th February 2026
24AQI (US)
21st February 2026
46AQI (US)
22nd February 2026
46AQI (US)
23rd February 2026
32AQI (US)
24th February 2026
44AQI (US)
25th February 2026
32AQI (US)
26th February 2026
25AQI (US)
27th February 2026
42AQI (US)
28th February 2026
39AQI (US)
1st March 2026
32AQI (US)
2nd March 2026
59AQI (US)
3rd March 2026
40AQI (US)
4th March 2026
48AQI (US)
5th March 2026
50AQI (US)
6th March 2026
49AQI (US)
7th March 2026
42AQI (US)
8th March 2026
32AQI (US)
9th March 2026
42AQI (US)
10th March 2026
56AQI (US)
11th March 2026
54AQI (US)
12th March 2026
63AQI (US)
13th March 2026
36AQI (US)
14th March 2026
45AQI (US)
15th March 2026
56AQI (US)
16th March 2026
47AQI (US)
17th March 2026
46AQI (US)
18th March 2026
50AQI (US)
19th March 2026
36AQI (US)
20th March 2026
28AQI (US)
21st March 2026
41AQI (US)
22nd March 2026
48AQI (US)
23rd March 2026
46AQI (US)
24th March 2026
42AQI (US)
25th March 2026
60AQI (US)
26th March 2026
29AQI (US)
27th March 2026
28AQI (US)
28th March 2026
50AQI (US)
29th March 2026
52AQI (US)
30th March 2026
53AQI (US)
31st March 2026
30AQI (US)
1st April 2026
23AQI (US)
2nd April 2026
30AQI (US)
3rd April 2026
44AQI (US)
4th April 2026
46AQI (US)
5th April 2026
37AQI (US)
6th April 2026
30AQI (US)
7th April 2026
28AQI (US)
8th April 2026
21AQI (US)
9th April 2026
30AQI (US)
10th April 2026
48AQI (US)
11th April 2026
39AQI (US)
12th April 2026
25AQI (US)
13th April 2026
36AQI (US)
14th April 2026
32AQI (US)
15th April 2026
34AQI (US)
16th April 2026
34AQI (US)
17th April 2026
34AQI (US)
18th April 2026
30AQI (US)
19th April 2026
32AQI (US)
20th April 2026
31AQI (US)
21st April 2026
35AQI (US)
22nd April 2026
46AQI (US)
23rd April 2026
37AQI (US)
24th April 2026
31AQI (US)
25th April 2026
44AQI (US)
26th April 2026
51AQI (US)
27th April 2026
48AQI (US)
28th April 2026
42AQI (US)
29th April 2026
38AQI (US)
30th April 2026
35AQI (US)
1st May 2026
46AQI (US)
2nd May 2026
48AQI (US)
3rd May 2026
44AQI (US)
4th May 2026
30AQI (US)
5th May 2026
22AQI (US)
6th May 2026
29AQI (US)
7th May 2026
30AQI (US)
8th May 2026
26AQI (US)
9th May 2026
26AQI (US)
10th May 2026
29AQI (US)
11th May 2026
29AQI (US)
12th May 2026
34AQI (US)
13th May 2026
39AQI (US)
14th May 2026
33AQI (US)
15th May 2026
33AQI (US)
16th May 2026
86AQI (US)
17th May 2026
68AQI (US)
18th May 2026
54AQI (US)
19th May 2026
49AQI (US)
20th May 2026
60AQI (US)
21st May 2026
58AQI (US)
22nd May 2026
60AQI (US)
23rd May 2026
54AQI (US)
24th May 2026
58AQI (US)
25th May 2026
46AQI (US)
26th May 2026
39AQI (US)
27th May 2026
24AQI (US)
28th May 2026
26AQI (US)
29th May 2026
25AQI (US)
30th May 2026
23AQI (US)
31st May 2026
27AQI (US)
1st June 2026
30AQI (US)
2nd June 2026
29AQI (US)
3rd June 2026
16AQI (US)
4th June 2026
22AQI (US)
5th June 2026
21AQI (US)
6th June 2026
21AQI (US)
7th June 2026
22AQI (US)
8th June 2026
20AQI (US)
9th June 2026
23AQI (US)
10th June 2026
22AQI (US)
11th June 2026
24AQI (US)
12th June 2026
24AQI (US)
13th June 2026
38AQI (US)
14th June 2026
41AQI (US)
15th June 2026
12AQI (US)
16th June 2026
24AQI (US)
17th June 2026
24AQI (US)
18th June 2026
24AQI (US)
19th June 2026
26AQI (US)
20th June 2026
22AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
20AQI (US)
23rd June 2026
21AQI (US)
24th June 2026
22AQI (US)
25th June 2026
26AQI (US)
26th June 2026
29AQI (US)
27th June 2026
26AQI (US)
28th June 2026
26AQI (US)
29th June 2026
25AQI (US)
30th June 2026
23AQI (US)
1st July 2026
35AQI (US)
2nd July 2026
23AQI (US)
3rd July 2026
18AQI (US)
4th July 2026
38AQI (US)
5th July 2026
20AQI (US)
6th July 2026
26AQI (US)
7th July 2026
25AQI (US)
8th July 2026
24AQI (US)
9th July 2026
24AQI (US)
10th July 2026
24AQI (US)
11th July 2026
22AQI (US)
12th July 2026
27AQI (US)
13th July 2026
36AQI (US)
14th July 2026
47AQI (US)
15th July 2026
45AQI (US)
16th July 2026
70AQI (US)
17th July 2026
54AQI (US)
18th July 2026
24AQI (US)
19th July 2026
18AQI (US)
20th July 2026
29AQI (US)
21st July 2026
47AQI (US)
22nd July 2026
66AQI (US)
23rd July 2026
60AQI (US)
24th July 2026
36AQI (US)
25th July 2026
37AQI (US)
26th July 2026
33AQI (US)
27th July 2026
28AQI (US)
28th July 2026
27AQI (US)
29th July 2026
35AQI (US)
30th July 2026
36AQI (US)
31st July 2026
46AQI (US)
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
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

30AQI (US)

38AQI (US)

45AQI (US)

36AQI (US)

40AQI (US)

24AQI (US)

35AQI (US)

No. of days

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

202635AQI (US)

30
1
24
4
23
8
29
1
23
8
30
27
4
186
26

Highest AQI (US) recorded in

March

45AQI (US)

Lowest AQI (US) recorded in

June

24AQI (US)

202541AQI (US)

28
3
27
1
23
8
29
1
30
1
28
2
24
7
18
13
29
1
20
11
17
13
19
12
292
73

Highest AQI (US) recorded in

November

49AQI (US)

Lowest AQI (US) recorded in

May

33AQI (US)

202439AQI (US)

26
5
27
2
25
6
21
9
27
4
28
2
11
20
29
2
27
3
30
1
27
3
30
1
308
58

Highest AQI (US) recorded in

July

54AQI (US)

Lowest AQI (US) recorded in

October

33AQI (US)

202340AQI (US)

24
7
25
3
27
4
23
7
26
5
20
10
23
8
28
3
29
1
28
3
19
10
23
7
295
68

Highest AQI (US) recorded in

April

46AQI (US)

Lowest AQI (US) recorded in

August

31AQI (US)

202240AQI (US)

28
3
18
4
25
6
20
10
25
6
21
9
21
3
1
28
1
25
6
22
8
27
2
261
58

Highest AQI (US) recorded in

March

44AQI (US)

Lowest AQI (US) recorded in

September

33AQI (US)

202135AQI (US)

23
6
26
2
29
2
29
1
26
5
27
3
27
4
27
4
29
1
29
2
26
4
20
9
318
43

Highest AQI (US) recorded in

December

43AQI (US)

Lowest AQI (US) recorded in

February

29AQI (US)

202035AQI (US)

11
2
18
3
18
25
5
31
18
13
18
1
29
2
25
3
28
3
221
32

Highest AQI (US) recorded in

August

47AQI (US)

Lowest AQI (US) recorded in

October

27AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
41AQI (US)
Least Polluted Year Recorded
2020(Avg.)
35AQI (US)

Honcho's annual 2026 AQI (US) (35) shows an average percentage change of -8.3% (improved AQI (US)) compared to previous years: 2020 (35), 2021 (35), 2022 (40), 2023 (40), 2024 (39), 2025 (41).