Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Honjo, Saitama, 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

Honjo, Saitama, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Jul 2022
82AQI
Lowest AQI recorded on
13th Jul 2022
13AQI

Same Day Analysis (31st July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 34 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

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

Honjo, Saitama, Japan

AQI
Day
Night
.

4 AM30th Jul 2026

7 PM

3 AM31st Jul 2026

Day time
Avg. Highest Time
4PM30th Jul

38AQI

Avg. Lowest Time
3PM30th Jul

22AQI

Night time
Avg. Highest Time
2AM31st Jul

33AQI

Avg. Lowest Time
7PM30th Jul

27AQI

In the last 24 hours,

Honjo's AQI reached its highest point of 38 at 4 PM during the Day, while the lowest point, 22, was recorded at 3 PM during the Day between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Honjo, Saitama, 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 2026344 AMAQI
2nd Jul 2026395 AMAQI
2nd Jul 2026316 AMAQI
2nd Jul 2026267 AMAQI
2nd Jul 2026298 AMAQI
2nd Jul 2026289 AMAQI
2nd Jul 20262610 AMAQI
2nd Jul 20262111 AMAQI
2nd Jul 20262012 PMAQI
2nd Jul 2026171 PMAQI
2nd Jul 2026162 PMAQI
2nd Jul 2026103 PMAQI
2nd Jul 2026124 PMAQI
2nd Jul 2026145 PMAQI
2nd Jul 2026106 PMAQI
2nd Jul 202697 PMAQI
2nd Jul 202698 PMAQI
2nd Jul 2026119 PMAQI
2nd Jul 2026810 PMAQI
2nd Jul 20261311 PMAQI
3rd Jul 20261112 AMAQI
3rd Jul 2026111 AMAQI
3rd Jul 2026112 AMAQI
3rd Jul 2026113 AMAQI

21°C20/23°C

3rd Jul 2026104 AMAQI
3rd Jul 202695 AMAQI
3rd Jul 2026116 AMAQI
3rd Jul 2026107 AMAQI
3rd Jul 202698 AMAQI
3rd Jul 202699 AMAQI
3rd Jul 2026910 AMAQI
3rd Jul 20261111 AMAQI
3rd Jul 20261112 PMAQI
3rd Jul 202691 PMAQI
3rd Jul 202672 PMAQI
3rd Jul 2026183 PMAQI
3rd Jul 2026184 PMAQI
3rd Jul 2026205 PMAQI
3rd Jul 2026246 PMAQI
3rd Jul 2026227 PMAQI
3rd Jul 2026298 PMAQI
3rd Jul 2026289 PMAQI
3rd Jul 20263010 PMAQI
3rd Jul 20263311 PMAQI
4th Jul 20262212 AMAQI
4th Jul 2026231 AMAQI
4th Jul 2026242 AMAQI
4th Jul 2026283 AMAQI

22°C20/25°C

4th Jul 2026254 AMAQI
4th Jul 2026265 AMAQI
4th Jul 2026276 AMAQI
4th Jul 2026257 AMAQI
4th Jul 2026268 AMAQI
4th Jul 2026269 AMAQI
4th Jul 20262610 AMAQI
4th Jul 20266311 AMAQI
4th Jul 20265812 PMAQI
4th Jul 2026611 PMAQI
4th Jul 2026622 PMAQI
4th Jul 2026553 PMAQI
4th Jul 2026564 PMAQI
4th Jul 2026685 PMAQI
4th Jul 2026706 PMAQI
4th Jul 2026697 PMAQI
4th Jul 2026678 PMAQI
4th Jul 2026659 PMAQI
4th Jul 20265210 PMAQI
4th Jul 20264311 PMAQI
5th Jul 20264812 AMAQI
5th Jul 2026481 AMAQI
5th Jul 2026382 AMAQI
5th Jul 2026403 AMAQI

22°C21/24°C

5th Jul 2026384 AMAQI
5th Jul 2026335 AMAQI
5th Jul 2026316 AMAQI
5th Jul 2026317 AMAQI
5th Jul 2026288 AMAQI
5th Jul 2026299 AMAQI
5th Jul 20262410 AMAQI
5th Jul 20262311 AMAQI
5th Jul 20261812 PMAQI
5th Jul 2026171 PMAQI
5th Jul 2026192 PMAQI
5th Jul 2026173 PMAQI
5th Jul 2026204 PMAQI
5th Jul 2026195 PMAQI
5th Jul 2026216 PMAQI
5th Jul 2026247 PMAQI
5th Jul 2026238 PMAQI
5th Jul 2026269 PMAQI
5th Jul 20262610 PMAQI
5th Jul 20262611 PMAQI
6th Jul 20262812 AMAQI
6th Jul 2026271 AMAQI
6th Jul 2026292 AMAQI
6th Jul 2026283 AMAQI

23°C21/26°C

6th Jul 2026324 AMAQI
6th Jul 2026315 AMAQI
6th Jul 2026286 AMAQI
6th Jul 2026287 AMAQI
6th Jul 2026278 AMAQI
6th Jul 2026289 AMAQI
6th Jul 20262710 AMAQI
6th Jul 20263411 AMAQI
6th Jul 20263612 PMAQI
6th Jul 2026361 PMAQI
6th Jul 2026332 PMAQI
6th Jul 2026363 PMAQI
6th Jul 2026384 PMAQI
6th Jul 2026355 PMAQI
6th Jul 2026226 PMAQI
6th Jul 2026227 PMAQI
6th Jul 2026268 PMAQI
6th Jul 2026269 PMAQI
6th Jul 20262510 PMAQI
6th Jul 20262711 PMAQI
7th Jul 20262812 AMAQI
7th Jul 2026271 AMAQI
7th Jul 2026292 AMAQI
7th Jul 2026273 AMAQI

21°C20/21°C

7th Jul 2026264 AMAQI
7th Jul 2026275 AMAQI
7th Jul 2026266 AMAQI
7th Jul 2026247 AMAQI
7th Jul 2026278 AMAQI
7th Jul 2026249 AMAQI
7th Jul 20262310 AMAQI
7th Jul 20262211 AMAQI
7th Jul 20262212 PMAQI
7th Jul 2026221 PMAQI
7th Jul 2026242 PMAQI
7th Jul 2026283 PMAQI
7th Jul 2026264 PMAQI
7th Jul 2026285 PMAQI
7th Jul 2026276 PMAQI
7th Jul 2026267 PMAQI
7th Jul 2026258 PMAQI
7th Jul 2026279 PMAQI
7th Jul 20262510 PMAQI
7th Jul 20262511 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026291 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026263 AMAQI

23°C19/28°C

8th Jul 2026254 AMAQI
8th Jul 2026265 AMAQI
8th Jul 2026266 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026268 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262710 AMAQI
8th Jul 20262311 AMAQI
8th Jul 20262512 PMAQI
8th Jul 2026241 PMAQI
8th Jul 2026262 PMAQI
8th Jul 2026273 PMAQI
8th Jul 2026264 PMAQI
8th Jul 2026255 PMAQI
8th Jul 2026246 PMAQI
8th Jul 2026217 PMAQI
8th Jul 2026218 PMAQI
8th Jul 2026229 PMAQI
8th Jul 20262310 PMAQI
8th Jul 20262611 PMAQI
9th Jul 20262812 AMAQI
9th Jul 2026271 AMAQI
9th Jul 2026292 AMAQI
9th Jul 2026273 AMAQI

25°C21/30°C

9th Jul 2026254 AMAQI
9th Jul 2026255 AMAQI
9th Jul 2026266 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026258 AMAQI
9th Jul 2026219 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262312 PMAQI
9th Jul 2026211 PMAQI
9th Jul 2026242 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026244 PMAQI
9th Jul 2026265 PMAQI
9th Jul 2026246 PMAQI
9th Jul 2026267 PMAQI
9th Jul 2026278 PMAQI
9th Jul 2026299 PMAQI
9th Jul 20263110 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026262 AMAQI
10th Jul 2026273 AMAQI

27°C22/33°C

10th Jul 2026244 AMAQI
10th Jul 2026265 AMAQI
10th Jul 2026276 AMAQI
10th Jul 2026267 AMAQI
10th Jul 2026278 AMAQI
10th Jul 2026269 AMAQI
10th Jul 20262610 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262612 PMAQI
10th Jul 2026261 PMAQI
10th Jul 2026242 PMAQI
10th Jul 2026233 PMAQI
10th Jul 2026254 PMAQI
10th Jul 2026345 PMAQI
10th Jul 2026376 PMAQI
10th Jul 2026357 PMAQI
10th Jul 2026268 PMAQI
10th Jul 2026299 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20262911 PMAQI
11th Jul 20263412 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026232 AMAQI
11th Jul 2026233 AMAQI

28°C23/34°C

11th Jul 2026184 AMAQI
11th Jul 2026185 AMAQI
11th Jul 2026256 AMAQI
11th Jul 2026247 AMAQI
11th Jul 2026278 AMAQI
11th Jul 2026319 AMAQI
11th Jul 20263110 AMAQI
11th Jul 20262811 AMAQI
11th Jul 20263012 PMAQI
11th Jul 2026251 PMAQI
11th Jul 2026312 PMAQI
11th Jul 2026323 PMAQI
11th Jul 2026354 PMAQI
11th Jul 2026365 PMAQI
11th Jul 2026346 PMAQI
11th Jul 2026387 PMAQI
11th Jul 2026368 PMAQI
11th Jul 2026319 PMAQI
11th Jul 20262910 PMAQI
11th Jul 20262911 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026261 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026263 AMAQI

29°C24/33°C

12th Jul 2026264 AMAQI
12th Jul 2026265 AMAQI
12th Jul 2026266 AMAQI
12th Jul 2026257 AMAQI
12th Jul 2026268 AMAQI
12th Jul 2026269 AMAQI
12th Jul 20262810 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20262512 PMAQI
12th Jul 2026261 PMAQI
12th Jul 2026282 PMAQI
12th Jul 2026293 PMAQI
12th Jul 2026314 PMAQI
12th Jul 2026375 PMAQI
12th Jul 2026366 PMAQI
12th Jul 2026347 PMAQI
12th Jul 2026378 PMAQI
12th Jul 2026389 PMAQI
12th Jul 20263810 PMAQI
12th Jul 20263811 PMAQI
13th Jul 20263912 AMAQI
13th Jul 2026421 AMAQI
13th Jul 2026392 AMAQI
13th Jul 2026383 AMAQI

26°C24/29°C

13th Jul 2026364 AMAQI
13th Jul 2026285 AMAQI
13th Jul 2026306 AMAQI
13th Jul 2026267 AMAQI
13th Jul 2026308 AMAQI
13th Jul 2026319 AMAQI
13th Jul 20262810 AMAQI
13th Jul 20263011 AMAQI
13th Jul 20263312 PMAQI
13th Jul 2026331 PMAQI
13th Jul 2026342 PMAQI
13th Jul 2026383 PMAQI
13th Jul 2026414 PMAQI
13th Jul 2026435 PMAQI
13th Jul 2026436 PMAQI
13th Jul 2026437 PMAQI
13th Jul 2026448 PMAQI
13th Jul 2026429 PMAQI
13th Jul 20264610 PMAQI
13th Jul 20264311 PMAQI
14th Jul 20264512 AMAQI
14th Jul 2026651 AMAQI
14th Jul 2026652 AMAQI
14th Jul 2026653 AMAQI

26°C24/29°C

14th Jul 2026584 AMAQI
14th Jul 2026575 AMAQI
14th Jul 2026536 AMAQI
14th Jul 2026577 AMAQI
14th Jul 2026458 AMAQI
14th Jul 2026469 AMAQI
14th Jul 20263210 AMAQI
14th Jul 20262911 AMAQI
14th Jul 20263312 PMAQI
14th Jul 2026331 PMAQI
14th Jul 2026342 PMAQI
14th Jul 2026303 PMAQI
14th Jul 2026254 PMAQI
14th Jul 2026315 PMAQI
14th Jul 2026356 PMAQI
14th Jul 2026387 PMAQI
14th Jul 2026368 PMAQI
14th Jul 2026449 PMAQI
14th Jul 20264110 PMAQI
14th Jul 20263811 PMAQI
15th Jul 20264012 AMAQI
15th Jul 2026411 AMAQI
15th Jul 2026412 AMAQI
15th Jul 2026383 AMAQI

30°C23/37°C

15th Jul 2026384 AMAQI
15th Jul 2026435 AMAQI
15th Jul 2026406 AMAQI
15th Jul 2026457 AMAQI
15th Jul 2026398 AMAQI
15th Jul 2026339 AMAQI
15th Jul 20263810 AMAQI
15th Jul 20263611 AMAQI
15th Jul 20264212 PMAQI
15th Jul 2026331 PMAQI
15th Jul 2026392 PMAQI
15th Jul 2026503 PMAQI
15th Jul 2026654 PMAQI
15th Jul 2026465 PMAQI
15th Jul 2026516 PMAQI
15th Jul 2026457 PMAQI
15th Jul 2026518 PMAQI
15th Jul 2026519 PMAQI
15th Jul 20264610 PMAQI
15th Jul 20264711 PMAQI
16th Jul 20264612 AMAQI
16th Jul 2026411 AMAQI
16th Jul 2026382 AMAQI
16th Jul 2026503 AMAQI

31°C26/37°C

16th Jul 2026464 AMAQI
16th Jul 2026485 AMAQI
16th Jul 2026546 AMAQI
16th Jul 2026497 AMAQI
16th Jul 2026508 AMAQI
16th Jul 2026379 AMAQI
16th Jul 20264510 AMAQI
16th Jul 20265411 AMAQI
16th Jul 20264712 PMAQI
16th Jul 2026571 PMAQI
16th Jul 2026602 PMAQI
16th Jul 2026633 PMAQI
16th Jul 2026554 PMAQI
16th Jul 2026395 PMAQI
16th Jul 2026336 PMAQI
16th Jul 2026327 PMAQI
16th Jul 2026658 PMAQI
16th Jul 2026299 PMAQI
16th Jul 20262610 PMAQI
16th Jul 20263011 PMAQI
17th Jul 20263412 AMAQI
17th Jul 2026201 AMAQI
17th Jul 2026202 AMAQI
17th Jul 2026193 AMAQI

30°C25/36°C

17th Jul 2026254 AMAQI
17th Jul 2026285 AMAQI
17th Jul 2026256 AMAQI
17th Jul 2026297 AMAQI
17th Jul 2026308 AMAQI
17th Jul 2026359 AMAQI
17th Jul 20264010 AMAQI
17th Jul 20265011 AMAQI
17th Jul 20265812 PMAQI
17th Jul 2026601 PMAQI
17th Jul 2026632 PMAQI
17th Jul 2026623 PMAQI
17th Jul 2026544 PMAQI
17th Jul 2026535 PMAQI
17th Jul 2026396 PMAQI
17th Jul 2026367 PMAQI
17th Jul 2026318 PMAQI
17th Jul 2026259 PMAQI
17th Jul 20262610 PMAQI
17th Jul 20261911 PMAQI
18th Jul 20262212 AMAQI
18th Jul 2026201 AMAQI
18th Jul 2026272 AMAQI
18th Jul 2026293 AMAQI

27°C25/30°C

18th Jul 2026264 AMAQI
18th Jul 2026295 AMAQI
18th Jul 2026286 AMAQI
18th Jul 2026237 AMAQI
18th Jul 2026268 AMAQI
18th Jul 2026259 AMAQI
18th Jul 20262710 AMAQI
18th Jul 20262311 AMAQI
18th Jul 20262412 PMAQI
18th Jul 2026231 PMAQI
18th Jul 2026252 PMAQI
18th Jul 2026243 PMAQI
18th Jul 2026244 PMAQI
18th Jul 2026235 PMAQI
18th Jul 2026256 PMAQI
18th Jul 2026297 PMAQI
18th Jul 2026338 PMAQI
18th Jul 2026319 PMAQI
18th Jul 20263310 PMAQI
18th Jul 20263111 PMAQI
19th Jul 20263012 AMAQI
19th Jul 2026321 AMAQI
19th Jul 2026322 AMAQI
19th Jul 2026363 AMAQI

25°C24/27°C

19th Jul 2026314 AMAQI
19th Jul 2026345 AMAQI
19th Jul 2026406 AMAQI
19th Jul 2026417 AMAQI
19th Jul 2026408 AMAQI
19th Jul 2026399 AMAQI
19th Jul 20262910 AMAQI
19th Jul 20263311 AMAQI
19th Jul 20262912 PMAQI
19th Jul 2026331 PMAQI
19th Jul 2026292 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026224 PMAQI
19th Jul 2026235 PMAQI
19th Jul 2026246 PMAQI
19th Jul 2026247 PMAQI
19th Jul 2026248 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262610 PMAQI
19th Jul 20262411 PMAQI
20th Jul 20262412 AMAQI
20th Jul 2026241 AMAQI
20th Jul 2026272 AMAQI
20th Jul 2026253 AMAQI

29°C24/34°C

20th Jul 2026264 AMAQI
20th Jul 2026235 AMAQI
20th Jul 2026226 AMAQI
20th Jul 2026247 AMAQI
20th Jul 2026238 AMAQI
20th Jul 2026259 AMAQI
20th Jul 20262610 AMAQI
20th Jul 20263211 AMAQI
20th Jul 20263112 PMAQI
20th Jul 2026271 PMAQI
20th Jul 2026292 PMAQI
20th Jul 2026303 PMAQI
20th Jul 2026314 PMAQI
20th Jul 2026325 PMAQI
20th Jul 2026306 PMAQI
20th Jul 2026317 PMAQI
20th Jul 2026328 PMAQI
20th Jul 2026339 PMAQI
20th Jul 20263210 PMAQI
20th Jul 20263411 PMAQI
21st Jul 20263512 AMAQI
21st Jul 2026401 AMAQI
21st Jul 2026452 AMAQI
21st Jul 2026443 AMAQI

31°C26/36°C

21st Jul 2026434 AMAQI
21st Jul 2026495 AMAQI
21st Jul 2026456 AMAQI
21st Jul 2026537 AMAQI
21st Jul 2026528 AMAQI
21st Jul 2026439 AMAQI
21st Jul 20263710 AMAQI
21st Jul 20263511 AMAQI
21st Jul 2026491 PMAQI
21st Jul 2026532 PMAQI
21st Jul 2026533 PMAQI
21st Jul 2026504 PMAQI
21st Jul 2026475 PMAQI
21st Jul 2026506 PMAQI
21st Jul 2026847 PMAQI
21st Jul 2026518 PMAQI
21st Jul 2026529 PMAQI
21st Jul 20266110 PMAQI
21st Jul 20266011 PMAQI
22nd Jul 20266312 AMAQI
22nd Jul 2026611 AMAQI
22nd Jul 2026662 AMAQI
22nd Jul 2026653 AMAQI

32°C27/38°C

22nd Jul 2026614 AMAQI
22nd Jul 2026555 AMAQI
22nd Jul 2026636 AMAQI
22nd Jul 2026627 AMAQI
22nd Jul 2026568 AMAQI
22nd Jul 2026559 AMAQI
22nd Jul 20265610 AMAQI
22nd Jul 20265611 AMAQI
22nd Jul 20265712 PMAQI
22nd Jul 2026611 PMAQI
22nd Jul 2026592 PMAQI
22nd Jul 2026563 PMAQI
22nd Jul 2026594 PMAQI
22nd Jul 2026655 PMAQI
22nd Jul 2026636 PMAQI
22nd Jul 2026647 PMAQI
22nd Jul 2026658 PMAQI
22nd Jul 2026669 PMAQI
22nd Jul 20266710 PMAQI
22nd Jul 20266111 PMAQI
23rd Jul 20265512 AMAQI
23rd Jul 2026531 AMAQI
23rd Jul 2026532 AMAQI
23rd Jul 2026543 AMAQI

32°C25/39°C

23rd Jul 2026564 AMAQI
23rd Jul 2026595 AMAQI
23rd Jul 2026636 AMAQI
23rd Jul 2026597 AMAQI
23rd Jul 2026608 AMAQI
23rd Jul 2026609 AMAQI
23rd Jul 20265810 AMAQI
23rd Jul 20265411 AMAQI
23rd Jul 20264912 PMAQI
23rd Jul 2026481 PMAQI
23rd Jul 2026492 PMAQI
23rd Jul 2026483 PMAQI
23rd Jul 2026524 PMAQI
23rd Jul 2026535 PMAQI
23rd Jul 2026636 PMAQI
23rd Jul 2026617 PMAQI
23rd Jul 2026588 PMAQI
23rd Jul 2026519 PMAQI
23rd Jul 20264510 PMAQI
23rd Jul 20263911 PMAQI
24th Jul 20263212 AMAQI
24th Jul 2026291 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026243 AMAQI

31°C26/38°C

24th Jul 2026264 AMAQI
24th Jul 2026285 AMAQI
24th Jul 2026276 AMAQI
24th Jul 2026247 AMAQI
24th Jul 2026248 AMAQI
24th Jul 2026249 AMAQI
24th Jul 20262710 AMAQI
24th Jul 20263011 AMAQI
24th Jul 20264112 PMAQI
24th Jul 2026501 PMAQI
24th Jul 2026522 PMAQI
24th Jul 2026513 PMAQI
24th Jul 2026514 PMAQI
24th Jul 2026525 PMAQI
24th Jul 2026536 PMAQI
24th Jul 2026577 PMAQI
24th Jul 2026548 PMAQI
24th Jul 2026549 PMAQI
24th Jul 20264410 PMAQI
24th Jul 20263711 PMAQI
25th Jul 20263512 AMAQI
25th Jul 2026331 AMAQI
25th Jul 2026322 AMAQI
25th Jul 2026333 AMAQI

29°C26/33°C

25th Jul 2026364 AMAQI
25th Jul 2026395 AMAQI
25th Jul 2026396 AMAQI
25th Jul 2026447 AMAQI
25th Jul 2026408 AMAQI
25th Jul 2026379 AMAQI
25th Jul 20263810 AMAQI
25th Jul 20263611 AMAQI
25th Jul 20263612 PMAQI
25th Jul 2026411 PMAQI
25th Jul 2026392 PMAQI
25th Jul 2026363 PMAQI
25th Jul 2026324 PMAQI
25th Jul 2026325 PMAQI
25th Jul 2026266 PMAQI
25th Jul 2026327 PMAQI
25th Jul 2026428 PMAQI
25th Jul 2026379 PMAQI
25th Jul 20262210 PMAQI
25th Jul 20262111 PMAQI
26th Jul 20262812 AMAQI
26th Jul 2026261 AMAQI
26th Jul 2026232 AMAQI
26th Jul 2026213 AMAQI

29°C24/36°C

26th Jul 2026254 AMAQI
26th Jul 2026265 AMAQI
26th Jul 2026286 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026278 AMAQI
26th Jul 2026289 AMAQI
26th Jul 20262210 AMAQI
26th Jul 20262211 AMAQI
26th Jul 20262612 PMAQI
26th Jul 2026241 PMAQI
26th Jul 2026242 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026274 PMAQI
26th Jul 2026285 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026287 PMAQI
26th Jul 2026228 PMAQI
26th Jul 2026229 PMAQI
26th Jul 20262610 PMAQI
26th Jul 20262611 PMAQI
27th Jul 20263012 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026282 AMAQI
27th Jul 2026243 AMAQI

27°C24/31°C

27th Jul 2026304 AMAQI
27th Jul 2026245 AMAQI
27th Jul 2026296 AMAQI
27th Jul 2026277 AMAQI
27th Jul 2026368 AMAQI
27th Jul 2026369 AMAQI
27th Jul 20263610 AMAQI
27th Jul 20263611 AMAQI
27th Jul 20263212 PMAQI
27th Jul 2026331 PMAQI
27th Jul 2026322 PMAQI
27th Jul 2026333 PMAQI
27th Jul 2026274 PMAQI
27th Jul 2026245 PMAQI
27th Jul 2026266 PMAQI
27th Jul 2026237 PMAQI
27th Jul 2026228 PMAQI
27th Jul 2026229 PMAQI
27th Jul 20263110 PMAQI
27th Jul 20262411 PMAQI
28th Jul 20263012 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026242 AMAQI
28th Jul 2026223 AMAQI

26°C23/31°C

28th Jul 2026224 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026226 AMAQI
28th Jul 2026227 AMAQI
28th Jul 2026228 AMAQI
28th Jul 2026229 AMAQI
28th Jul 20262210 AMAQI
28th Jul 20262311 AMAQI
28th Jul 20262612 PMAQI
28th Jul 2026281 PMAQI
28th Jul 2026332 PMAQI
28th Jul 2026383 PMAQI
28th Jul 2026414 PMAQI
28th Jul 2026395 PMAQI
28th Jul 2026396 PMAQI
28th Jul 2026417 PMAQI
28th Jul 2026418 PMAQI
28th Jul 2026429 PMAQI
28th Jul 20264110 PMAQI
28th Jul 20263911 PMAQI
29th Jul 20263712 AMAQI
29th Jul 2026411 AMAQI
29th Jul 2026512 AMAQI
29th Jul 2026413 AMAQI

24°C23/27°C

29th Jul 2026414 AMAQI
29th Jul 2026405 AMAQI
29th Jul 2026266 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026268 AMAQI
29th Jul 2026299 AMAQI
29th Jul 20263410 AMAQI
29th Jul 20263311 AMAQI
29th Jul 20262912 PMAQI
29th Jul 2026311 PMAQI
29th Jul 2026302 PMAQI
29th Jul 2026243 PMAQI
29th Jul 2026244 PMAQI
29th Jul 2026305 PMAQI
29th Jul 2026306 PMAQI
29th Jul 2026307 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026279 PMAQI
29th Jul 20262710 PMAQI
29th Jul 20262611 PMAQI
30th Jul 20262712 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026302 AMAQI
30th Jul 2026213 AMAQI

27°C21/35°C

30th Jul 2026224 AMAQI
30th Jul 2026255 AMAQI
30th Jul 2026266 AMAQI
30th Jul 2026227 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262610 AMAQI
30th Jul 20262611 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026281 PMAQI
30th Jul 2026262 PMAQI
30th Jul 2026223 PMAQI
30th Jul 2026384 PMAQI
30th Jul 2026325 PMAQI
30th Jul 2026306 PMAQI
30th Jul 2026277 PMAQI
30th Jul 2026288 PMAQI
30th Jul 2026299 PMAQI
30th Jul 20263010 PMAQI
30th Jul 20263111 PMAQI
31st Jul 20263012 AMAQI
31st Jul 2026311 AMAQI
31st Jul 2026332 AMAQI
31st Jul 2026323 AMAQI

29°C23/35°C

31st Jul 2026334 AMAQI
4 AM
31st Jul 2026355 AMAQI
31st Jul 2026326 AMAQI
31st Jul 2026337 AMAQI
31st Jul 2026328 AMAQI
31st Jul 2026339 AMAQI
31st Jul 20263410 AMAQI
31st Jul 20263411 AMAQI
11 AM
31st Jul 20263212 PMAQI
31st Jul 2026311 PMAQI
31st Jul 2026332 PMAQI
31st Jul 2026363 PMAQI
31st Jul 2026354 PMAQI
31st Jul 2026355 PMAQI
31st Jul 2026366 PMAQI
31st Jul 2026367 PMAQI
7 PM
31st Jul 2026398 PMAQI
31st Jul 2026379 PMAQI
31st Jul 20264010 PMAQI
31st Jul 20264011 PMAQI
11 PM
3 AM

29°C24/36°C

Day time
Avg. Highest Time
12 PM - 7 PM

35AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
9 AM - 10 AM

31AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 7 PM (Avg. 35), while the lowest AQI was between 9 AM to 10 AM (Avg. 31).
Night time
Avg. Highest Time
8 PM - 11 PM

35AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 1 AM

33AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 35), while the lowest AQI was between 12 AM to 1 AM (Avg. 33).

2026 Days Vs Air Quality

Honjo, Saitama, Japan

2026

85%

181

15%

31

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

Good
181 Days
Moderate
31 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 85%

Health Risk Level:

Low

In 2026, 85% 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

Honjo, Saitama, 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
19AQI (US)
2nd January 2026
16AQI (US)
3rd January 2026
17AQI (US)
4th January 2026
20AQI (US)
5th January 2026
31AQI (US)
6th January 2026
22AQI (US)
7th January 2026
25AQI (US)
8th January 2026
29AQI (US)
9th January 2026
18AQI (US)
10th January 2026
33AQI (US)
11th January 2026
37AQI (US)
12th January 2026
14AQI (US)
13th January 2026
19AQI (US)
14th January 2026
13AQI (US)
15th January 2026
32AQI (US)
16th January 2026
41AQI (US)
17th January 2026
43AQI (US)
18th January 2026
27AQI (US)
19th January 2026
50AQI (US)
20th January 2026
33AQI (US)
21st January 2026
11AQI (US)
22nd January 2026
19AQI (US)
23rd January 2026
30AQI (US)
24th January 2026
40AQI (US)
25th January 2026
43AQI (US)
26th January 2026
30AQI (US)
27th January 2026
39AQI (US)
28th January 2026
27AQI (US)
29th January 2026
26AQI (US)
30th January 2026
35AQI (US)
31st January 2026
38AQI (US)
1st February 2026
33AQI (US)
2nd February 2026
42AQI (US)
3rd February 2026
30AQI (US)
4th February 2026
41AQI (US)
5th February 2026
46AQI (US)
6th February 2026
41AQI (US)
7th February 2026
14AQI (US)
8th February 2026
14AQI (US)
9th February 2026
34AQI (US)
10th February 2026
40AQI (US)
11th February 2026
46AQI (US)
12th February 2026
30AQI (US)
13th February 2026
44AQI (US)
14th February 2026
67AQI (US)
15th February 2026
62AQI (US)
16th February 2026
44AQI (US)
17th February 2026
19AQI (US)
18th February 2026
32AQI (US)
19th February 2026
28AQI (US)
20th February 2026
27AQI (US)
21st February 2026
49AQI (US)
22nd February 2026
46AQI (US)
23rd February 2026
43AQI (US)
24th February 2026
39AQI (US)
25th February 2026
48AQI (US)
26th February 2026
13AQI (US)
27th February 2026
28AQI (US)
28th February 2026
47AQI (US)
1st March 2026
46AQI (US)
2nd March 2026
87AQI (US)
3rd March 2026
48AQI (US)
4th March 2026
63AQI (US)
5th March 2026
63AQI (US)
6th March 2026
54AQI (US)
7th March 2026
48AQI (US)
8th March 2026
48AQI (US)
9th March 2026
51AQI (US)
10th March 2026
57AQI (US)
11th March 2026
60AQI (US)
12th March 2026
71AQI (US)
13th March 2026
43AQI (US)
14th March 2026
49AQI (US)
15th March 2026
52AQI (US)
16th March 2026
60AQI (US)
17th March 2026
58AQI (US)
18th March 2026
60AQI (US)
19th March 2026
37AQI (US)
20th March 2026
35AQI (US)
21st March 2026
50AQI (US)
22nd March 2026
62AQI (US)
23rd March 2026
64AQI (US)
24th March 2026
50AQI (US)
25th March 2026
61AQI (US)
26th March 2026
28AQI (US)
27th March 2026
18AQI (US)
28th March 2026
44AQI (US)
29th March 2026
58AQI (US)
30th March 2026
61AQI (US)
31st March 2026
36AQI (US)
1st April 2026
14AQI (US)
2nd April 2026
23AQI (US)
3rd April 2026
47AQI (US)
4th April 2026
57AQI (US)
5th April 2026
28AQI (US)
6th April 2026
26AQI (US)
7th April 2026
40AQI (US)
8th April 2026
25AQI (US)
9th April 2026
34AQI (US)
10th April 2026
48AQI (US)
11th April 2026
37AQI (US)
12th April 2026
34AQI (US)
13th April 2026
35AQI (US)
14th April 2026
44AQI (US)
15th April 2026
44AQI (US)
16th April 2026
31AQI (US)
17th April 2026
34AQI (US)
18th April 2026
36AQI (US)
19th April 2026
41AQI (US)
20th April 2026
37AQI (US)
21st April 2026
41AQI (US)
22nd April 2026
46AQI (US)
23rd April 2026
35AQI (US)
24th April 2026
31AQI (US)
25th April 2026
46AQI (US)
26th April 2026
50AQI (US)
27th April 2026
49AQI (US)
28th April 2026
42AQI (US)
29th April 2026
40AQI (US)
30th April 2026
40AQI (US)
1st May 2026
47AQI (US)
2nd May 2026
52AQI (US)
3rd May 2026
49AQI (US)
4th May 2026
29AQI (US)
5th May 2026
20AQI (US)
6th May 2026
34AQI (US)
7th May 2026
35AQI (US)
8th May 2026
27AQI (US)
9th May 2026
27AQI (US)
10th May 2026
33AQI (US)
11th May 2026
33AQI (US)
12th May 2026
41AQI (US)
13th May 2026
45AQI (US)
14th May 2026
39AQI (US)
15th May 2026
49AQI (US)
16th May 2026
85AQI (US)
17th May 2026
68AQI (US)
18th May 2026
53AQI (US)
19th May 2026
49AQI (US)
20th May 2026
61AQI (US)
21st May 2026
59AQI (US)
22nd May 2026
61AQI (US)
23rd May 2026
54AQI (US)
24th May 2026
59AQI (US)
25th May 2026
48AQI (US)
26th May 2026
40AQI (US)
27th May 2026
25AQI (US)
28th May 2026
26AQI (US)
29th May 2026
25AQI (US)
30th May 2026
24AQI (US)
31st May 2026
29AQI (US)
1st June 2026
33AQI (US)
2nd June 2026
36AQI (US)
3rd June 2026
17AQI (US)
4th June 2026
21AQI (US)
5th June 2026
22AQI (US)
6th June 2026
23AQI (US)
7th June 2026
22AQI (US)
8th June 2026
21AQI (US)
9th June 2026
23AQI (US)
10th June 2026
22AQI (US)
11th June 2026
25AQI (US)
12th June 2026
25AQI (US)
13th June 2026
26AQI (US)
14th June 2026
29AQI (US)
15th June 2026
20AQI (US)
16th June 2026
20AQI (US)
17th June 2026
25AQI (US)
18th June 2026
26AQI (US)
19th June 2026
30AQI (US)
20th June 2026
22AQI (US)
21st June 2026
19AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
22AQI (US)
25th June 2026
23AQI (US)
26th June 2026
27AQI (US)
27th June 2026
27AQI (US)
28th June 2026
29AQI (US)
29th June 2026
28AQI (US)
30th June 2026
25AQI (US)
1st July 2026
26AQI (US)
2nd July 2026
23AQI (US)
3rd July 2026
15AQI (US)
4th July 2026
45AQI (US)
5th July 2026
28AQI (US)
6th July 2026
29AQI (US)
7th July 2026
26AQI (US)
8th July 2026
25AQI (US)
9th July 2026
25AQI (US)
10th July 2026
27AQI (US)
11th July 2026
29AQI (US)
12th July 2026
30AQI (US)
13th July 2026
37AQI (US)
14th July 2026
43AQI (US)
15th July 2026
43AQI (US)
16th July 2026
45AQI (US)
17th July 2026
37AQI (US)
18th July 2026
27AQI (US)
19th July 2026
30AQI (US)
20th July 2026
28AQI (US)
21st July 2026
49AQI (US)
22nd July 2026
61AQI (US)
23rd July 2026
54AQI (US)
24th July 2026
38AQI (US)
25th July 2026
35AQI (US)
26th July 2026
25AQI (US)
27th July 2026
29AQI (US)
28th July 2026
30AQI (US)
29th July 2026
31AQI (US)
30th July 2026
27AQI (US)
31st July 2026
34AQI (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

28AQI (US)

37AQI (US)

52AQI (US)

38AQI (US)

43AQI (US)

24AQI (US)

33AQI (US)

No. of days

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

202637AQI (US)

31
26
2
14
17
29
1
22
9
30
29
2
181
31

Highest AQI (US) recorded in

March

52AQI (US)

Lowest AQI (US) recorded in

June

24AQI (US)

202541AQI (US)

31
28
22
9
24
6
26
5
27
3
16
15
25
6
29
1
11
20
23
7
26
5
288
77

Highest AQI (US) recorded in

July

50AQI (US)

Lowest AQI (US) recorded in

January

33AQI (US)

202438AQI (US)

29
2
28
1
26
5
17
13
27
4
23
7
22
9
30
1
28
2
30
1
28
2
31
319
47

Highest AQI (US) recorded in

April

50AQI (US)

Lowest AQI (US) recorded in

December

29AQI (US)

202344AQI (US)

28
3
22
6
17
14
13
17
20
11
18
12
13
18
25
6
27
3
28
3
20
9
25
6
256
108

Highest AQI (US) recorded in

April

54AQI (US)

Lowest AQI (US) recorded in

January

36AQI (US)

202240AQI (US)

28
2
19
2
20
11
17
13
22
9
16
14
18
7
3
27
2
27
4
23
7
31
251
71

Highest AQI (US) recorded in

April

50AQI (US)

Lowest AQI (US) recorded in

December

29AQI (US)

202139AQI (US)

23
8
23
5
22
8
1
23
7
24
7
23
7
26
5
26
5
26
4
27
4
27
3
30
1
300
64
1

Highest AQI (US) recorded in

March

47AQI (US)

Lowest AQI (US) recorded in

December

33AQI (US)

202038AQI (US)

11
2
17
4
17
1
18
12
31
11
20
18
1
27
4
21
9
27
4
198
57

Highest AQI (US) recorded in

August

55AQI (US)

Lowest AQI (US) recorded in

September

28AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
44AQI (US)
Least Polluted Year Recorded
2026(Avg.)
37AQI (US)

Honjo's annual 2026 AQI (US) (37) shows an average percentage change of -7.2% (improved AQI (US)) compared to previous years: 2020 (38), 2021 (39), 2022 (40), 2023 (44), 2024 (38), 2025 (41).