Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Horiage, Togane, 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+

August Air Quality Analysis

Horiage, Togane, Chiba, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Aug 2025
60AQI
Lowest AQI recorded on
21st Aug 2023
12AQI

Same Day Analysis (14th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 27 of Good air quality, showing improvement over 2025 and 2023 on the same day.

Day & Night AQI Trend: 13th Aug - 14th Aug 2026

Horiage, Togane, Chiba, Japan

AQI
Day
Night
.

4 AM13th Aug 2026

6 PM

3 AM14th Aug 2026

Day time
Avg. Highest Time
11AM13th Aug

40AQI

Avg. Lowest Time
6PM13th Aug

21AQI

Night time
Avg. Highest Time
9PM13th Aug

29AQI

Avg. Lowest Time
1AM14th Aug

21AQI

In the last 24 hours,

Horiage's AQI reached its highest point of 40 at 11 AM during the Day, while the lowest point, 21, was recorded at 1 AM during the Night between 13th Aug and 14th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Horiage, Togane, Chiba, Japan

JulAug
16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th
Day
Night
16th Jul 2026604 AMAQI
16th Jul 2026765 AMAQI
16th Jul 2026746 AMAQI
16th Jul 2026727 AMAQI
16th Jul 2026738 AMAQI
16th Jul 2026799 AMAQI
16th Jul 20267410 AMAQI
16th Jul 20267611 AMAQI
16th Jul 20267412 PMAQI
16th Jul 2026711 PMAQI
16th Jul 2026832 PMAQI
16th Jul 2026863 PMAQI
16th Jul 2026904 PMAQI
16th Jul 2026785 PMAQI
16th Jul 2026726 PMAQI
16th Jul 2026687 PMAQI
16th Jul 2026648 PMAQI
16th Jul 2026579 PMAQI
16th Jul 20265510 PMAQI
16th Jul 20265511 PMAQI
17th Jul 20265312 AMAQI
17th Jul 2026531 AMAQI
17th Jul 2026532 AMAQI
17th Jul 2026553 AMAQI

28°C26/31°C

17th Jul 2026544 AMAQI
17th Jul 2026565 AMAQI
17th Jul 2026546 AMAQI
17th Jul 2026527 AMAQI
17th Jul 2026548 AMAQI
17th Jul 2026519 AMAQI
17th Jul 20265210 AMAQI
17th Jul 20265211 AMAQI
17th Jul 20265112 PMAQI
17th Jul 2026441 PMAQI
17th Jul 2026382 PMAQI
17th Jul 2026333 PMAQI
17th Jul 2026334 PMAQI
17th Jul 2026365 PMAQI
17th Jul 2026296 PMAQI
17th Jul 2026277 PMAQI
17th Jul 2026278 PMAQI
17th Jul 2026239 PMAQI
17th Jul 20262110 PMAQI
17th Jul 20261911 PMAQI
18th Jul 20261212 AMAQI
18th Jul 2026121 AMAQI
18th Jul 2026132 AMAQI
18th Jul 2026123 AMAQI

27°C25/30°C

18th Jul 202684 AMAQI
18th Jul 202685 AMAQI
18th Jul 202686 AMAQI
18th Jul 202687 AMAQI
18th Jul 202668 AMAQI
18th Jul 202689 AMAQI
18th Jul 2026810 AMAQI
18th Jul 2026811 AMAQI
18th Jul 20261012 PMAQI
18th Jul 202681 PMAQI
18th Jul 202682 PMAQI
18th Jul 202683 PMAQI
18th Jul 2026214 PMAQI
18th Jul 2026255 PMAQI
18th Jul 2026276 PMAQI
18th Jul 2026257 PMAQI
18th Jul 2026278 PMAQI
18th Jul 2026299 PMAQI
18th Jul 20262510 PMAQI
18th Jul 20262311 PMAQI
19th Jul 20262512 AMAQI
19th Jul 2026231 AMAQI
19th Jul 2026252 AMAQI
19th Jul 2026253 AMAQI

27°C25/29°C

19th Jul 2026254 AMAQI
19th Jul 2026235 AMAQI
19th Jul 2026236 AMAQI
19th Jul 2026327 AMAQI
19th Jul 2026348 AMAQI
19th Jul 2026279 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20262511 AMAQI
19th Jul 20262712 PMAQI
19th Jul 2026271 PMAQI
19th Jul 2026252 PMAQI
19th Jul 2026213 PMAQI
19th Jul 2026294 PMAQI
19th Jul 2026275 PMAQI
19th Jul 2026276 PMAQI
19th Jul 2026277 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 2026296 AMAQI
20th Jul 2026297 AMAQI
20th Jul 2026298 AMAQI
20th Jul 2026299 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20263311 AMAQI
20th Jul 20263312 PMAQI
20th Jul 2026311 PMAQI
20th Jul 2026382 PMAQI
20th Jul 2026343 PMAQI
20th Jul 2026424 PMAQI
20th Jul 2026315 PMAQI
20th Jul 2026336 PMAQI
20th Jul 2026337 PMAQI
20th Jul 2026338 PMAQI
20th Jul 2026319 PMAQI
20th Jul 20263110 PMAQI
20th Jul 20263111 PMAQI
21st Jul 20263312 AMAQI
21st Jul 2026311 AMAQI
21st Jul 2026312 AMAQI
21st Jul 2026293 AMAQI

29°C25/34°C

21st Jul 2026294 AMAQI
21st Jul 2026365 AMAQI
21st Jul 2026346 AMAQI
21st Jul 2026317 AMAQI
21st Jul 2026318 AMAQI
21st Jul 2026339 AMAQI
21st Jul 20264810 AMAQI
21st Jul 20264711 AMAQI
21st Jul 2026531 PMAQI
21st Jul 2026522 PMAQI
21st Jul 2026573 PMAQI
21st Jul 2026574 PMAQI
21st Jul 2026555 PMAQI
21st Jul 2026496 PMAQI
21st Jul 2026907 PMAQI
21st Jul 2026488 PMAQI
21st Jul 2026509 PMAQI
21st Jul 20265210 PMAQI
21st Jul 20265111 PMAQI
22nd Jul 20265112 AMAQI
22nd Jul 2026511 AMAQI
22nd Jul 2026552 AMAQI
22nd Jul 2026563 AMAQI

30°C26/35°C

22nd Jul 2026554 AMAQI
22nd Jul 2026535 AMAQI
22nd Jul 2026546 AMAQI
22nd Jul 2026547 AMAQI
22nd Jul 2026598 AMAQI
22nd Jul 2026609 AMAQI
22nd Jul 20266210 AMAQI
22nd Jul 20266311 AMAQI
22nd Jul 20267012 PMAQI
22nd Jul 2026711 PMAQI
22nd Jul 2026732 PMAQI
22nd Jul 2026663 PMAQI
22nd Jul 2026574 PMAQI
22nd Jul 2026515 PMAQI
22nd Jul 2026526 PMAQI
22nd Jul 2026527 PMAQI
22nd Jul 2026528 PMAQI
22nd Jul 2026489 PMAQI
22nd Jul 20265710 PMAQI
22nd Jul 20266711 PMAQI
23rd Jul 20267312 AMAQI
23rd Jul 2026701 AMAQI
23rd Jul 2026672 AMAQI
23rd Jul 2026623 AMAQI

31°C26/35°C

23rd Jul 2026564 AMAQI
23rd Jul 2026535 AMAQI
23rd Jul 2026606 AMAQI
23rd Jul 2026627 AMAQI
23rd Jul 2026628 AMAQI
23rd Jul 2026659 AMAQI
23rd Jul 20266910 AMAQI
23rd Jul 20266711 AMAQI
23rd Jul 20267212 PMAQI
23rd Jul 2026731 PMAQI
23rd Jul 2026692 PMAQI
23rd Jul 2026643 PMAQI
23rd Jul 2026594 PMAQI
23rd Jul 2026575 PMAQI
23rd Jul 2026466 PMAQI
23rd Jul 2026207 PMAQI
23rd Jul 2026128 PMAQI
23rd Jul 2026149 PMAQI
23rd Jul 20261710 PMAQI
23rd Jul 20261911 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026221 AMAQI
24th Jul 2026232 AMAQI
24th Jul 2026213 AMAQI

30°C27/33°C

24th Jul 2026384 AMAQI
24th Jul 2026465 AMAQI
24th Jul 2026426 AMAQI
24th Jul 2026367 AMAQI
24th Jul 2026198 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20261611 AMAQI
24th Jul 20261912 PMAQI
24th Jul 2026221 PMAQI
24th Jul 2026222 PMAQI
24th Jul 2026163 PMAQI
24th Jul 2026144 PMAQI
24th Jul 2026145 PMAQI
24th Jul 2026126 PMAQI
24th Jul 2026187 PMAQI
24th Jul 2026218 PMAQI
24th Jul 2026179 PMAQI
24th Jul 20261410 PMAQI
24th Jul 20261911 PMAQI
25th Jul 20262312 AMAQI
25th Jul 2026271 AMAQI
25th Jul 2026292 AMAQI
25th Jul 2026253 AMAQI

28°C25/30°C

25th Jul 2026254 AMAQI
25th Jul 2026315 AMAQI
25th Jul 2026296 AMAQI
25th Jul 2026237 AMAQI
25th Jul 2026228 AMAQI
25th Jul 2026289 AMAQI
25th Jul 20264010 AMAQI
25th Jul 20265311 AMAQI
25th Jul 20265312 PMAQI
25th Jul 2026531 PMAQI
25th Jul 2026482 PMAQI
25th Jul 2026503 PMAQI
25th Jul 2026384 PMAQI
25th Jul 2026345 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026218 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20263110 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20262912 AMAQI
26th Jul 2026251 AMAQI
26th Jul 2026272 AMAQI
26th Jul 2026303 AMAQI

27°C23/30°C

26th Jul 2026274 AMAQI
26th Jul 2026385 AMAQI
26th Jul 2026426 AMAQI
26th Jul 2026237 AMAQI
26th Jul 2026338 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262110 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262512 PMAQI
26th Jul 2026311 PMAQI
26th Jul 2026362 PMAQI
26th Jul 2026423 PMAQI
26th Jul 2026314 PMAQI
26th Jul 2026295 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026317 PMAQI
26th Jul 2026368 PMAQI
26th Jul 2026279 PMAQI
26th Jul 20262910 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262312 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026213 AMAQI

27°C24/30°C

27th Jul 2026254 AMAQI
27th Jul 2026215 AMAQI
27th Jul 2026216 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026389 AMAQI
27th Jul 20263410 AMAQI
27th Jul 20263811 AMAQI
27th Jul 20263312 PMAQI
27th Jul 2026361 PMAQI
27th Jul 2026382 PMAQI
27th Jul 2026363 PMAQI
27th Jul 2026314 PMAQI
27th Jul 2026235 PMAQI
27th Jul 2026256 PMAQI
27th Jul 2026217 PMAQI
27th Jul 2026298 PMAQI
27th Jul 2026239 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262311 PMAQI
28th Jul 20262712 AMAQI
28th Jul 2026291 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026213 AMAQI

25°C23/28°C

28th Jul 2026214 AMAQI
28th Jul 2026255 AMAQI
28th Jul 2026296 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026278 AMAQI
28th Jul 2026239 AMAQI
28th Jul 20262310 AMAQI
28th Jul 20262911 AMAQI
28th Jul 20264012 PMAQI
28th Jul 2026381 PMAQI
28th Jul 2026382 PMAQI
28th Jul 2026273 PMAQI
28th Jul 2026384 PMAQI
28th Jul 2026315 PMAQI
28th Jul 2026306 PMAQI
28th Jul 2026237 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026239 PMAQI
28th Jul 20263110 PMAQI
28th Jul 20263111 PMAQI
29th Jul 20262712 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026272 AMAQI
29th Jul 2026273 AMAQI

26°C23/29°C

29th Jul 2026314 AMAQI
29th Jul 2026425 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026387 AMAQI
29th Jul 2026318 AMAQI
29th Jul 2026389 AMAQI
29th Jul 20263210 AMAQI
29th Jul 20263211 AMAQI
29th Jul 20263412 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026232 PMAQI
29th Jul 2026233 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026235 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026307 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026279 PMAQI
29th Jul 20262910 PMAQI
29th Jul 20263111 PMAQI
30th Jul 20263112 AMAQI
30th Jul 2026311 AMAQI
30th Jul 2026312 AMAQI
30th Jul 2026313 AMAQI

28°C24/33°C

30th Jul 2026254 AMAQI
30th Jul 2026295 AMAQI
30th Jul 2026316 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026348 AMAQI
30th Jul 2026299 AMAQI
30th Jul 20262910 AMAQI
30th Jul 20263411 AMAQI
30th Jul 20263812 PMAQI
30th Jul 2026421 PMAQI
30th Jul 2026462 PMAQI
30th Jul 2026463 PMAQI
30th Jul 2026464 PMAQI
30th Jul 2026505 PMAQI
30th Jul 2026486 PMAQI
30th Jul 2026467 PMAQI
30th Jul 2026408 PMAQI
30th Jul 2026389 PMAQI
30th Jul 20264810 PMAQI
30th Jul 20265511 PMAQI
31st Jul 20265212 AMAQI
31st Jul 2026461 AMAQI
31st Jul 2026362 AMAQI
31st Jul 2026333 AMAQI

30°C26/34°C

31st Jul 2026364 AMAQI
31st Jul 2026365 AMAQI
31st Jul 2026346 AMAQI
31st Jul 2026337 AMAQI
31st Jul 2026338 AMAQI
31st Jul 2026409 AMAQI
31st Jul 20263810 AMAQI
31st Jul 20264411 AMAQI
31st Jul 20265212 PMAQI
31st Jul 2026531 PMAQI
31st Jul 2026482 PMAQI
31st Jul 2026443 PMAQI
31st Jul 2026464 PMAQI
31st Jul 2026445 PMAQI
31st Jul 2026496 PMAQI
31st Jul 2026407 PMAQI
31st Jul 2026408 PMAQI
31st Jul 2026449 PMAQI
31st Jul 20264210 PMAQI
31st Jul 20263811 PMAQI
1st Aug 20264012 AMAQI
1st Aug 2026421 AMAQI
1st Aug 2026482 AMAQI
1st Aug 2026483 AMAQI

28°C26/33°C

1st Aug 2026514 AMAQI
1st Aug 2026495 AMAQI
1st Aug 2026546 AMAQI
1st Aug 2026467 AMAQI
1st Aug 2026538 AMAQI
1st Aug 2026549 AMAQI
1st Aug 20265810 AMAQI
1st Aug 20266211 AMAQI
1st Aug 20266012 PMAQI
1st Aug 2026621 PMAQI
1st Aug 2026652 PMAQI
1st Aug 2026643 PMAQI
1st Aug 2026644 PMAQI
1st Aug 2026625 PMAQI
1st Aug 2026696 PMAQI
1st Aug 2026657 PMAQI
1st Aug 2026668 PMAQI
1st Aug 2026639 PMAQI
1st Aug 20266610 PMAQI
1st Aug 20266211 PMAQI
2nd Aug 20266312 AMAQI
2nd Aug 2026631 AMAQI
2nd Aug 2026652 AMAQI
2nd Aug 2026643 AMAQI

29°C26/33°C

2nd Aug 2026644 AMAQI
2nd Aug 2026625 AMAQI
2nd Aug 2026606 AMAQI
2nd Aug 2026647 AMAQI
2nd Aug 2026678 AMAQI
2nd Aug 2026859 AMAQI
2nd Aug 20265410 AMAQI
2nd Aug 20264811 AMAQI
2nd Aug 20262312 PMAQI
2nd Aug 2026251 PMAQI
2nd Aug 2026272 PMAQI
2nd Aug 2026273 PMAQI
2nd Aug 2026184 PMAQI
2nd Aug 2026105 PMAQI
2nd Aug 202686 PMAQI
2nd Aug 202687 PMAQI
2nd Aug 202688 PMAQI
2nd Aug 2026199 PMAQI
2nd Aug 20262010 PMAQI
2nd Aug 20263011 PMAQI
3rd Aug 20263012 AMAQI
3rd Aug 2026161 AMAQI
3rd Aug 202682 AMAQI
3rd Aug 202683 AMAQI

28°C24/31°C

3rd Aug 2026124 AMAQI
3rd Aug 2026175 AMAQI
3rd Aug 2026176 AMAQI
3rd Aug 2026217 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026259 AMAQI
3rd Aug 20262910 AMAQI
3rd Aug 20262311 AMAQI
3rd Aug 20263112 PMAQI
3rd Aug 2026271 PMAQI
3rd Aug 2026382 PMAQI
3rd Aug 2026173 PMAQI
3rd Aug 2026214 PMAQI
3rd Aug 2026205 PMAQI
3rd Aug 2026216 PMAQI
3rd Aug 2026227 PMAQI
3rd Aug 2026238 PMAQI
3rd Aug 2026179 PMAQI
3rd Aug 20261910 PMAQI
3rd Aug 20262111 PMAQI
4th Aug 20261712 AMAQI
4th Aug 2026201 AMAQI
4th Aug 2026232 AMAQI
4th Aug 2026213 AMAQI

24°C23/27°C

4th Aug 2026194 AMAQI
4th Aug 2026145 AMAQI
4th Aug 2026176 AMAQI
4th Aug 2026197 AMAQI
4th Aug 2026238 AMAQI
4th Aug 2026219 AMAQI
4th Aug 20262310 AMAQI
4th Aug 20262511 AMAQI
4th Aug 20262712 PMAQI
4th Aug 2026291 PMAQI
4th Aug 2026272 PMAQI
4th Aug 2026233 PMAQI
4th Aug 2026274 PMAQI
4th Aug 2026335 PMAQI
4th Aug 2026426 PMAQI
4th Aug 2026337 PMAQI
4th Aug 2026318 PMAQI
4th Aug 2026219 PMAQI
4th Aug 20262110 PMAQI
4th Aug 20262111 PMAQI
5th Aug 20262112 AMAQI
5th Aug 2026211 AMAQI
5th Aug 2026212 AMAQI
5th Aug 2026213 AMAQI

24°C22/27°C

5th Aug 2026214 AMAQI
5th Aug 2026215 AMAQI
5th Aug 2026216 AMAQI
5th Aug 2026217 AMAQI
5th Aug 2026218 AMAQI
5th Aug 2026219 AMAQI
5th Aug 20262110 AMAQI
5th Aug 20262111 AMAQI
5th Aug 20262312 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026232 PMAQI
5th Aug 2026233 PMAQI
5th Aug 2026214 PMAQI
5th Aug 2026215 PMAQI
5th Aug 2026216 PMAQI
5th Aug 2026217 PMAQI
5th Aug 2026238 PMAQI
5th Aug 2026239 PMAQI
5th Aug 20262510 PMAQI
5th Aug 20262111 PMAQI
6th Aug 20262312 AMAQI
6th Aug 2026251 AMAQI
6th Aug 2026252 AMAQI
6th Aug 2026253 AMAQI

25°C23/28°C

6th Aug 2026254 AMAQI
6th Aug 2026255 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026298 AMAQI
6th Aug 2026339 AMAQI
6th Aug 20263310 AMAQI
6th Aug 20262911 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026212 PMAQI
6th Aug 2026213 PMAQI
6th Aug 2026234 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026276 PMAQI
6th Aug 2026257 PMAQI
6th Aug 2026218 PMAQI
6th Aug 2026299 PMAQI
6th Aug 20263110 PMAQI
6th Aug 20262911 PMAQI
7th Aug 20262712 AMAQI
7th Aug 2026291 AMAQI
7th Aug 2026272 AMAQI
7th Aug 2026313 AMAQI

28°C24/31°C

7th Aug 2026264 AMAQI
7th Aug 2026265 AMAQI
7th Aug 2026256 AMAQI
7th Aug 2026257 AMAQI
7th Aug 2026318 AMAQI
7th Aug 2026319 AMAQI
7th Aug 20263310 AMAQI
7th Aug 20263311 AMAQI
7th Aug 20264412 PMAQI
7th Aug 2026461 PMAQI
7th Aug 2026212 PMAQI
7th Aug 2026233 PMAQI
7th Aug 2026214 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026237 PMAQI
7th Aug 2026368 PMAQI
7th Aug 2026299 PMAQI
7th Aug 20262710 PMAQI
7th Aug 20262311 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026211 AMAQI
8th Aug 2026252 AMAQI
8th Aug 2026273 AMAQI

28°C25/31°C

8th Aug 2026234 AMAQI
8th Aug 2026215 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026238 AMAQI
8th Aug 2026489 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20263311 AMAQI
8th Aug 20262912 PMAQI
8th Aug 2026291 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026213 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026466 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026238 PMAQI
8th Aug 2026279 PMAQI
8th Aug 20262110 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026251 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026233 AMAQI

27°C24/32°C

9th Aug 2026254 AMAQI
9th Aug 2026255 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262710 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262112 PMAQI
9th Aug 2026381 PMAQI
9th Aug 2026312 PMAQI
9th Aug 2026463 PMAQI
9th Aug 2026404 PMAQI
9th Aug 2026315 PMAQI
9th Aug 2026336 PMAQI
9th Aug 2026447 PMAQI
9th Aug 2026408 PMAQI
9th Aug 2026299 PMAQI
9th Aug 20262510 PMAQI
9th Aug 20262511 PMAQI
10th Aug 20262112 AMAQI
10th Aug 2026231 AMAQI
10th Aug 2026232 AMAQI
10th Aug 2026293 AMAQI

27°C24/31°C

10th Aug 2026334 AMAQI
10th Aug 2026405 AMAQI
10th Aug 2026256 AMAQI
10th Aug 2026297 AMAQI
10th Aug 2026258 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20262112 PMAQI
10th Aug 2026251 PMAQI
10th Aug 2026212 PMAQI
10th Aug 2026313 PMAQI
10th Aug 2026364 PMAQI
10th Aug 2026295 PMAQI
10th Aug 2026466 PMAQI
10th Aug 2026487 PMAQI
10th Aug 2026428 PMAQI
10th Aug 2026409 PMAQI
10th Aug 20265110 PMAQI
10th Aug 20264811 PMAQI
11th Aug 20264412 AMAQI
11th Aug 2026441 AMAQI
11th Aug 2026502 AMAQI
11th Aug 2026293 AMAQI

26°C23/29°C

11th Aug 2026514 AMAQI
11th Aug 2026515 AMAQI
11th Aug 2026556 AMAQI
11th Aug 2026367 AMAQI
11th Aug 2026428 AMAQI
11th Aug 2026409 AMAQI
11th Aug 20264210 AMAQI
11th Aug 20263811 AMAQI
11th Aug 20262512 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026252 PMAQI
11th Aug 2026233 PMAQI
11th Aug 2026214 PMAQI
11th Aug 2026215 PMAQI
11th Aug 2026316 PMAQI
11th Aug 2026217 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026279 PMAQI
11th Aug 20262910 PMAQI
11th Aug 20262911 PMAQI
12th Aug 20262712 AMAQI
12th Aug 2026251 AMAQI
12th Aug 2026272 AMAQI
12th Aug 2026293 AMAQI

22°C19/26°C

12th Aug 2026254 AMAQI
12th Aug 2026275 AMAQI
12th Aug 2026316 AMAQI
12th Aug 2026297 AMAQI
12th Aug 2026278 AMAQI
12th Aug 2026369 AMAQI
12th Aug 20263810 AMAQI
12th Aug 20262111 AMAQI
12th Aug 20262512 PMAQI
12th Aug 2026211 PMAQI
12th Aug 2026232 PMAQI
12th Aug 2026213 PMAQI
12th Aug 2026334 PMAQI
12th Aug 2026255 PMAQI
12th Aug 2026256 PMAQI
12th Aug 2026217 PMAQI
12th Aug 2026258 PMAQI
12th Aug 2026219 PMAQI
12th Aug 20262510 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20262912 AMAQI
13th Aug 2026251 AMAQI
13th Aug 2026232 AMAQI
13th Aug 2026233 AMAQI

23°C22/25°C

13th Aug 2026254 AMAQI
13th Aug 2026235 AMAQI
13th Aug 2026216 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026218 AMAQI
13th Aug 2026239 AMAQI
13th Aug 20262710 AMAQI
13th Aug 20264011 AMAQI
13th Aug 20262512 PMAQI
13th Aug 2026291 PMAQI
13th Aug 2026212 PMAQI
13th Aug 2026233 PMAQI
13th Aug 2026214 PMAQI
13th Aug 2026215 PMAQI
13th Aug 2026216 PMAQI
13th Aug 2026217 PMAQI
13th Aug 2026218 PMAQI
13th Aug 2026299 PMAQI
13th Aug 20262510 PMAQI
13th Aug 20262111 PMAQI
14th Aug 20262912 AMAQI
14th Aug 2026211 AMAQI
14th Aug 2026252 AMAQI
14th Aug 2026253 AMAQI

26°C23/30°C

14th Aug 2026274 AMAQI
4 AM
14th Aug 2026275 AMAQI
14th Aug 2026276 AMAQI
14th Aug 2026257 AMAQI
14th Aug 2026258 AMAQI
14th Aug 2026259 AMAQI
14th Aug 20263810 AMAQI
14th Aug 20263611 AMAQI
11 AM
14th Aug 20262112 PMAQI
14th Aug 2026271 PMAQI
14th Aug 2026332 PMAQI
14th Aug 2026293 PMAQI
14th Aug 2026254 PMAQI
14th Aug 2026255 PMAQI
14th Aug 2026256 PMAQI
6 PM
14th Aug 2026297 PMAQI
14th Aug 2026238 PMAQI
14th Aug 2026299 PMAQI
14th Aug 20262710 PMAQI
14th Aug 20262511 PMAQI
11 PM
3 AM

26°C24/29°C

Day time
Avg. Highest Time
9 AM - 4 PM

36AQI

8 hours / Day
240 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 9 AM to 4 PM (Avg. 36), while the lowest AQI was between 4 AM to 4 AM (Avg. 32).
Night time
Avg. Highest Time
12 AM

33AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
9 PM

30AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 33), while the lowest AQI was between 9 PM to 9 PM (Avg. 30).

2026 Days Vs Air Quality

Horiage, Togane, Chiba, Japan

2026

89%

202

11%

24

Total number of days with different AQI categories in last 226 days in 2026 (139 days remaining)

Good
202 Days
Moderate
24 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 89%

Health Risk Level:

Low

In 2026, 89% of 226 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

Horiage, Togane, 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
16AQI (US)
2nd January 2026
22AQI (US)
3rd January 2026
17AQI (US)
4th January 2026
30AQI (US)
5th January 2026
40AQI (US)
6th January 2026
24AQI (US)
7th January 2026
32AQI (US)
8th January 2026
40AQI (US)
9th January 2026
17AQI (US)
10th January 2026
31AQI (US)
11th January 2026
25AQI (US)
12th January 2026
22AQI (US)
13th January 2026
38AQI (US)
14th January 2026
13AQI (US)
15th January 2026
30AQI (US)
16th January 2026
45AQI (US)
17th January 2026
48AQI (US)
18th January 2026
28AQI (US)
19th January 2026
38AQI (US)
20th January 2026
32AQI (US)
21st January 2026
12AQI (US)
22nd January 2026
21AQI (US)
23rd January 2026
35AQI (US)
24th January 2026
40AQI (US)
25th January 2026
17AQI (US)
26th January 2026
18AQI (US)
27th January 2026
42AQI (US)
28th January 2026
27AQI (US)
29th January 2026
18AQI (US)
30th January 2026
36AQI (US)
31st January 2026
36AQI (US)
1st February 2026
39AQI (US)
2nd February 2026
39AQI (US)
3rd February 2026
18AQI (US)
4th February 2026
42AQI (US)
5th February 2026
60AQI (US)
6th February 2026
60AQI (US)
7th February 2026
12AQI (US)
8th February 2026
10AQI (US)
9th February 2026
33AQI (US)
10th February 2026
37AQI (US)
11th February 2026
61AQI (US)
12th February 2026
36AQI (US)
13th February 2026
44AQI (US)
14th February 2026
54AQI (US)
15th February 2026
52AQI (US)
16th February 2026
45AQI (US)
17th February 2026
15AQI (US)
18th February 2026
31AQI (US)
19th February 2026
28AQI (US)
20th February 2026
20AQI (US)
21st February 2026
39AQI (US)
22nd February 2026
40AQI (US)
23rd February 2026
29AQI (US)
24th February 2026
38AQI (US)
25th February 2026
16AQI (US)
26th February 2026
16AQI (US)
27th February 2026
42AQI (US)
28th February 2026
40AQI (US)
1st March 2026
33AQI (US)
2nd March 2026
60AQI (US)
3rd March 2026
39AQI (US)
4th March 2026
49AQI (US)
5th March 2026
50AQI (US)
6th March 2026
48AQI (US)
7th March 2026
43AQI (US)
8th March 2026
34AQI (US)
9th March 2026
46AQI (US)
10th March 2026
57AQI (US)
11th March 2026
55AQI (US)
12th March 2026
62AQI (US)
13th March 2026
36AQI (US)
14th March 2026
45AQI (US)
15th March 2026
56AQI (US)
16th March 2026
36AQI (US)
17th March 2026
30AQI (US)
18th March 2026
31AQI (US)
19th March 2026
38AQI (US)
20th March 2026
31AQI (US)
21st March 2026
40AQI (US)
22nd March 2026
46AQI (US)
23rd March 2026
39AQI (US)
24th March 2026
43AQI (US)
25th March 2026
46AQI (US)
26th March 2026
26AQI (US)
27th March 2026
28AQI (US)
28th March 2026
50AQI (US)
29th March 2026
56AQI (US)
30th March 2026
45AQI (US)
31st March 2026
17AQI (US)
1st April 2026
28AQI (US)
2nd April 2026
33AQI (US)
3rd April 2026
45AQI (US)
4th April 2026
44AQI (US)
5th April 2026
37AQI (US)
6th April 2026
29AQI (US)
7th April 2026
25AQI (US)
8th April 2026
21AQI (US)
9th April 2026
29AQI (US)
10th April 2026
47AQI (US)
11th April 2026
43AQI (US)
12th April 2026
27AQI (US)
13th April 2026
33AQI (US)
14th April 2026
39AQI (US)
15th April 2026
32AQI (US)
16th April 2026
32AQI (US)
17th April 2026
34AQI (US)
18th April 2026
29AQI (US)
19th April 2026
31AQI (US)
20th April 2026
34AQI (US)
21st April 2026
38AQI (US)
22nd April 2026
44AQI (US)
23rd April 2026
37AQI (US)
24th April 2026
32AQI (US)
25th April 2026
44AQI (US)
26th April 2026
51AQI (US)
27th April 2026
48AQI (US)
28th April 2026
41AQI (US)
29th April 2026
36AQI (US)
30th April 2026
19AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
49AQI (US)
3rd May 2026
41AQI (US)
4th May 2026
31AQI (US)
5th May 2026
21AQI (US)
6th May 2026
28AQI (US)
7th May 2026
28AQI (US)
8th May 2026
21AQI (US)
9th May 2026
30AQI (US)
10th May 2026
19AQI (US)
11th May 2026
18AQI (US)
12th May 2026
29AQI (US)
13th May 2026
35AQI (US)
14th May 2026
33AQI (US)
15th May 2026
33AQI (US)
16th May 2026
86AQI (US)
17th May 2026
70AQI (US)
18th May 2026
53AQI (US)
19th May 2026
49AQI (US)
20th May 2026
62AQI (US)
21st May 2026
59AQI (US)
22nd May 2026
61AQI (US)
23rd May 2026
52AQI (US)
24th May 2026
58AQI (US)
25th May 2026
46AQI (US)
26th May 2026
38AQI (US)
27th May 2026
24AQI (US)
28th May 2026
25AQI (US)
29th May 2026
24AQI (US)
30th May 2026
23AQI (US)
31st May 2026
25AQI (US)
1st June 2026
28AQI (US)
2nd June 2026
28AQI (US)
3rd June 2026
25AQI (US)
4th June 2026
20AQI (US)
5th June 2026
22AQI (US)
6th June 2026
21AQI (US)
7th June 2026
22AQI (US)
8th June 2026
21AQI (US)
9th June 2026
24AQI (US)
10th June 2026
21AQI (US)
11th June 2026
23AQI (US)
12th June 2026
22AQI (US)
13th June 2026
31AQI (US)
14th June 2026
37AQI (US)
15th June 2026
10AQI (US)
16th June 2026
21AQI (US)
17th June 2026
23AQI (US)
18th June 2026
24AQI (US)
19th June 2026
25AQI (US)
20th June 2026
22AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
21AQI (US)
24th June 2026
22AQI (US)
25th June 2026
25AQI (US)
26th June 2026
29AQI (US)
27th June 2026
26AQI (US)
28th June 2026
26AQI (US)
29th June 2026
24AQI (US)
30th June 2026
22AQI (US)
1st July 2026
29AQI (US)
2nd July 2026
19AQI (US)
3rd July 2026
20AQI (US)
4th July 2026
27AQI (US)
5th July 2026
19AQI (US)
6th July 2026
24AQI (US)
7th July 2026
25AQI (US)
8th July 2026
20AQI (US)
9th July 2026
19AQI (US)
10th July 2026
23AQI (US)
11th July 2026
20AQI (US)
12th July 2026
25AQI (US)
13th July 2026
34AQI (US)
14th July 2026
29AQI (US)
15th July 2026
36AQI (US)
16th July 2026
68AQI (US)
17th July 2026
42AQI (US)
18th July 2026
14AQI (US)
19th July 2026
26AQI (US)
20th July 2026
30AQI (US)
21st July 2026
45AQI (US)
22nd July 2026
58AQI (US)
23rd July 2026
54AQI (US)
24th July 2026
23AQI (US)
25th July 2026
33AQI (US)
26th July 2026
30AQI (US)
27th July 2026
27AQI (US)
28th July 2026
28AQI (US)
29th July 2026
28AQI (US)
30th July 2026
38AQI (US)
31st July 2026
42AQI (US)
1st August 2026
57AQI (US)
2nd August 2026
41AQI (US)
3rd August 2026
21AQI (US)
4th August 2026
24AQI (US)
5th August 2026
22AQI (US)
6th August 2026
26AQI (US)
7th August 2026
29AQI (US)
8th August 2026
27AQI (US)
9th August 2026
29AQI (US)
10th August 2026
32AQI (US)
11th August 2026
34AQI (US)
12th August 2026
26AQI (US)
13th August 2026
24AQI (US)
14th August 2026
27AQI (US)
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

29AQI (US)

36AQI (US)

42AQI (US)

35AQI (US)

39AQI (US)

23AQI (US)

31AQI (US)

30AQI (US)

No. of days

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

202633AQI (US)

31
23
5
25
6
29
1
23
8
30
28
3
13
1
202
24

Highest AQI (US) recorded in

March

42AQI (US)

Lowest AQI (US) recorded in

June

23AQI (US)

202538AQI (US)

29
2
27
1
26
5
29
1
30
1
29
1
26
5
26
5
30
18
13
23
7
20
11
313
52

Highest AQI (US) recorded in

October

46AQI (US)

Lowest AQI (US) recorded in

June

30AQI (US)

202435AQI (US)

28
3
28
1
25
6
24
6
28
3
29
1
22
9
31
30
31
29
1
31
336
30

Highest AQI (US) recorded in

April

44AQI (US)

Lowest AQI (US) recorded in

August

26AQI (US)

202335AQI (US)

27
4
26
2
29
2
25
5
29
2
28
2
30
1
31
29
1
31
27
2
23
8
335
29

Highest AQI (US) recorded in

December

43AQI (US)

Lowest AQI (US) recorded in

August

24AQI (US)

202234AQI (US)

29
2
1
10
15
2
30
1
28
2
21
1
1
29
30
1
29
1
29
2
252
12

Highest AQI (US) recorded in

April

40AQI (US)

Lowest AQI (US) recorded in

February

21AQI (US)

202133AQI (US)

22
7
25
3
25
5
1
28
2
28
3
28
2
28
3
29
2
30
31
27
3
25
6
326
36
1

Highest AQI (US) recorded in

January

39AQI (US)

Lowest AQI (US) recorded in

August

26AQI (US)

202029AQI (US)

12
1
21
18
27
3
31
22
9
19
31
24
6
27
4
232
23

Highest AQI (US) recorded in

August

36AQI (US)

Lowest AQI (US) recorded in

September

22AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
38AQI (US)
Least Polluted Year Recorded
2020(Avg.)
29AQI (US)

Horiage's annual 2026 AQI (US) (33) shows an average percentage change of -2.2% (improved AQI (US)) compared to previous years: 2020 (29), 2021 (33), 2022 (34), 2023 (35), 2024 (35), 2025 (38).