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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Kimitsu, 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+

September Air Quality Analysis

Kimitsu, Chiba, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
19th Sep 2024
61AQI
Lowest AQI recorded on
9th Sep 2024
16AQI

Same Day Analysis (29th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 26 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.

Day & Night AQI Trend: 28th Sep - 29th Sep 2026

Kimitsu, Chiba, Japan

AQI
Day
Night
.

5 AM28th Sep 2026

5 PM

4 AM29th Sep 2026

Day time
Avg. Highest Time
5AM28th Sep

42AQI

Avg. Lowest Time
3PM28th Sep

30AQI

Night time
Avg. Highest Time
11PM28th Sep

38AQI

Avg. Lowest Time
7PM28th Sep

25AQI

In the last 24 hours,

Kimitsu's AQI reached its highest point of 42 at 5 AM during the Day, while the lowest point, 25, was recorded at 7 PM during the Night between 28th Sep and 29th Sep 2026.

Day & Night AQI Trend : Aug - Sep 2026

Kimitsu, Chiba, Japan

AugSep
31st - 01st01st - 02nd02nd - 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
Day
Night
31st Aug 2026215 AMAQI
31st Aug 2026226 AMAQI
31st Aug 2026247 AMAQI
31st Aug 2026228 AMAQI
31st Aug 2026249 AMAQI
31st Aug 20262410 AMAQI
31st Aug 20262911 AMAQI
31st Aug 20262712 PMAQI
31st Aug 2026271 PMAQI
31st Aug 2026232 PMAQI
31st Aug 2026263 PMAQI
31st Aug 2026384 PMAQI
31st Aug 2026345 PMAQI
31st Aug 2026256 PMAQI
31st Aug 2026257 PMAQI
31st Aug 2026248 PMAQI
31st Aug 2026249 PMAQI
31st Aug 20262510 PMAQI
31st Aug 20262311 PMAQI
1st Sep 20262112 AMAQI
1st Sep 2026231 AMAQI
1st Sep 2026272 AMAQI
1st Sep 2026233 AMAQI
1st Sep 2026254 AMAQI

24°C21/27°C

1st Sep 2026255 AMAQI
1st Sep 2026246 AMAQI
1st Sep 2026237 AMAQI
1st Sep 2026228 AMAQI
1st Sep 2026269 AMAQI
1st Sep 20262910 AMAQI
1st Sep 20263411 AMAQI
1st Sep 20263412 PMAQI
1st Sep 2026271 PMAQI
1st Sep 2026282 PMAQI
1st Sep 2026283 PMAQI
1st Sep 2026234 PMAQI
1st Sep 2026255 PMAQI
1st Sep 2026276 PMAQI
1st Sep 2026257 PMAQI
1st Sep 2026258 PMAQI
1st Sep 2026269 PMAQI
1st Sep 20262410 PMAQI
1st Sep 20262511 PMAQI
2nd Sep 20262412 AMAQI
2nd Sep 2026281 AMAQI
2nd Sep 2026282 AMAQI
2nd Sep 2026303 AMAQI
2nd Sep 2026264 AMAQI

24°C21/28°C

2nd Sep 2026365 AMAQI
2nd Sep 2026326 AMAQI
2nd Sep 2026267 AMAQI
2nd Sep 2026258 AMAQI
2nd Sep 2026289 AMAQI
2nd Sep 20262510 AMAQI
2nd Sep 20263011 AMAQI
2nd Sep 20263812 PMAQI
2nd Sep 2026281 PMAQI
2nd Sep 2026322 PMAQI
2nd Sep 2026323 PMAQI
2nd Sep 2026364 PMAQI
2nd Sep 2026325 PMAQI
2nd Sep 2026226 PMAQI
2nd Sep 2026267 PMAQI
2nd Sep 2026248 PMAQI
2nd Sep 2026229 PMAQI
2nd Sep 20262810 PMAQI
2nd Sep 20262911 PMAQI
3rd Sep 20262612 AMAQI
3rd Sep 2026261 AMAQI
3rd Sep 2026282 AMAQI
3rd Sep 2026303 AMAQI
3rd Sep 2026284 AMAQI

25°C22/30°C

3rd Sep 2026255 AMAQI
3rd Sep 2026266 AMAQI
3rd Sep 2026277 AMAQI
3rd Sep 2026268 AMAQI
3rd Sep 2026259 AMAQI
3rd Sep 20263210 AMAQI
3rd Sep 20263211 AMAQI
3rd Sep 20263012 PMAQI
3rd Sep 2026241 PMAQI
3rd Sep 2026242 PMAQI
3rd Sep 2026273 PMAQI
3rd Sep 2026254 PMAQI
3rd Sep 2026235 PMAQI
3rd Sep 2026246 PMAQI
3rd Sep 2026277 PMAQI
3rd Sep 2026268 PMAQI
3rd Sep 2026259 PMAQI
3rd Sep 20264210 PMAQI
3rd Sep 20262211 PMAQI
4th Sep 20262212 AMAQI
4th Sep 2026271 AMAQI
4th Sep 2026252 AMAQI
4th Sep 2026253 AMAQI
4th Sep 2026264 AMAQI

26°C23/31°C

4th Sep 2026235 AMAQI
4th Sep 2026236 AMAQI
4th Sep 2026247 AMAQI
4th Sep 2026278 AMAQI
4th Sep 2026259 AMAQI
4th Sep 20262810 AMAQI
4th Sep 20263211 AMAQI
4th Sep 20263412 PMAQI
4th Sep 2026371 PMAQI
4th Sep 2026422 PMAQI
4th Sep 2026323 PMAQI
4th Sep 2026274 PMAQI
4th Sep 2026255 PMAQI
4th Sep 2026236 PMAQI
4th Sep 2026237 PMAQI
4th Sep 2026218 PMAQI
4th Sep 2026219 PMAQI
4th Sep 20262410 PMAQI
4th Sep 20263011 PMAQI
5th Sep 20263012 AMAQI
5th Sep 2026281 AMAQI
5th Sep 2026262 AMAQI
5th Sep 2026263 AMAQI
5th Sep 2026254 AMAQI

23°C21/27°C

5th Sep 2026275 AMAQI
5th Sep 2026266 AMAQI
5th Sep 2026277 AMAQI
5th Sep 2026298 AMAQI
5th Sep 2026329 AMAQI
5th Sep 20263610 AMAQI
5th Sep 20263611 AMAQI
5th Sep 20263012 PMAQI
5th Sep 2026261 PMAQI
5th Sep 2026272 PMAQI
5th Sep 2026263 PMAQI
5th Sep 2026274 PMAQI
5th Sep 2026285 PMAQI
5th Sep 2026306 PMAQI
5th Sep 2026287 PMAQI
5th Sep 2026328 PMAQI
5th Sep 2026289 PMAQI
5th Sep 20263210 PMAQI
5th Sep 20263011 PMAQI
6th Sep 20263012 AMAQI
6th Sep 2026321 AMAQI
6th Sep 2026322 AMAQI
6th Sep 2026343 AMAQI
6th Sep 2026344 AMAQI

21°C20/22°C

6th Sep 2026325 AMAQI
6th Sep 2026326 AMAQI
6th Sep 2026327 AMAQI
6th Sep 2026308 AMAQI
6th Sep 2026309 AMAQI
6th Sep 20263010 AMAQI
6th Sep 20263211 AMAQI
6th Sep 20263412 PMAQI
6th Sep 2026301 PMAQI
6th Sep 2026282 PMAQI
6th Sep 2026303 PMAQI
6th Sep 2026284 PMAQI
6th Sep 2026265 PMAQI
6th Sep 2026286 PMAQI
6th Sep 2026287 PMAQI
6th Sep 2026278 PMAQI
6th Sep 2026279 PMAQI
6th Sep 20262510 PMAQI
6th Sep 20262411 PMAQI
7th Sep 20262512 AMAQI
7th Sep 2026231 AMAQI
7th Sep 2026232 AMAQI
7th Sep 2026233 AMAQI
7th Sep 2026244 AMAQI

21°C20/24°C

7th Sep 2026285 AMAQI
7th Sep 2026216 AMAQI
7th Sep 2026267 AMAQI
7th Sep 2026258 AMAQI
7th Sep 2026389 AMAQI
7th Sep 20262310 AMAQI
7th Sep 20262511 AMAQI
7th Sep 20262012 PMAQI
7th Sep 2026221 PMAQI
7th Sep 2026182 PMAQI
7th Sep 2026263 PMAQI
7th Sep 2026204 PMAQI
7th Sep 2026205 PMAQI
7th Sep 2026276 PMAQI
7th Sep 2026257 PMAQI
7th Sep 2026268 PMAQI
7th Sep 2026269 PMAQI
7th Sep 20263010 PMAQI
7th Sep 20262711 PMAQI
8th Sep 20262612 AMAQI
8th Sep 2026301 AMAQI
8th Sep 2026262 AMAQI
8th Sep 2026283 AMAQI
8th Sep 2026254 AMAQI

24°C23/26°C

8th Sep 2026245 AMAQI
8th Sep 2026266 AMAQI
8th Sep 2026327 AMAQI
8th Sep 2026328 AMAQI
8th Sep 2026429 AMAQI
8th Sep 20263410 AMAQI
8th Sep 20264011 AMAQI
8th Sep 20264212 PMAQI
8th Sep 2026341 PMAQI
8th Sep 2026262 PMAQI
8th Sep 2026223 PMAQI
8th Sep 2026304 PMAQI
8th Sep 2026385 PMAQI
8th Sep 2026326 PMAQI
8th Sep 2026307 PMAQI
8th Sep 2026278 PMAQI
8th Sep 2026309 PMAQI
8th Sep 20263210 PMAQI
8th Sep 20263611 PMAQI
9th Sep 20263212 AMAQI
9th Sep 2026361 AMAQI
9th Sep 2026362 AMAQI
9th Sep 2026343 AMAQI
9th Sep 2026324 AMAQI

26°C22/30°C

9th Sep 2026345 AMAQI
9th Sep 2026326 AMAQI
9th Sep 2026367 AMAQI
9th Sep 2026368 AMAQI
9th Sep 2026399 AMAQI
9th Sep 20264010 AMAQI
9th Sep 20264011 AMAQI
9th Sep 20263412 PMAQI
9th Sep 2026291 PMAQI
9th Sep 2026302 PMAQI
9th Sep 2026323 PMAQI
9th Sep 2026344 PMAQI
9th Sep 2026305 PMAQI
9th Sep 2026236 PMAQI
9th Sep 2026247 PMAQI
9th Sep 2026268 PMAQI
9th Sep 2026269 PMAQI
9th Sep 20262910 PMAQI
9th Sep 20263211 PMAQI
10th Sep 20263412 AMAQI
10th Sep 2026321 AMAQI
10th Sep 2026282 AMAQI
10th Sep 2026323 AMAQI
10th Sep 2026324 AMAQI

26°C20/29°C

10th Sep 2026265 AMAQI
10th Sep 2026266 AMAQI
10th Sep 2026307 AMAQI
10th Sep 2026288 AMAQI
10th Sep 2026329 AMAQI
10th Sep 20263410 AMAQI
10th Sep 20263811 AMAQI
10th Sep 20264412 PMAQI
10th Sep 2026271 PMAQI
10th Sep 2026302 PMAQI
10th Sep 2026303 PMAQI
10th Sep 2026264 PMAQI
10th Sep 2026365 PMAQI
10th Sep 2026346 PMAQI
10th Sep 2026287 PMAQI
10th Sep 2026328 PMAQI
10th Sep 2026369 PMAQI
10th Sep 20263610 PMAQI
10th Sep 20263611 PMAQI
11th Sep 20263212 AMAQI
11th Sep 2026301 AMAQI
11th Sep 2026322 AMAQI
11th Sep 2026303 AMAQI
11th Sep 2026294 AMAQI

19°C18/20°C

11th Sep 2026275 AMAQI
11th Sep 2026286 AMAQI
11th Sep 2026277 AMAQI
11th Sep 2026288 AMAQI
11th Sep 2026259 AMAQI
11th Sep 20262710 AMAQI
11th Sep 20262711 AMAQI
11th Sep 20262712 PMAQI
11th Sep 2026271 PMAQI
11th Sep 2026242 PMAQI
11th Sep 2026233 PMAQI
11th Sep 2026264 PMAQI
11th Sep 2026245 PMAQI
11th Sep 2026236 PMAQI
11th Sep 2026237 PMAQI
11th Sep 2026238 PMAQI
11th Sep 2026289 PMAQI
11th Sep 20262510 PMAQI
11th Sep 20262511 PMAQI
12th Sep 20263012 AMAQI
12th Sep 2026311 AMAQI
12th Sep 2026322 AMAQI
12th Sep 2026323 AMAQI
12th Sep 2026304 AMAQI

19°C18/21°C

12th Sep 2026305 AMAQI
12th Sep 2026276 AMAQI
12th Sep 2026307 AMAQI
12th Sep 2026308 AMAQI
12th Sep 2026259 AMAQI
12th Sep 20262610 AMAQI
12th Sep 20262511 AMAQI
12th Sep 20262712 PMAQI
12th Sep 2026271 PMAQI
12th Sep 2026262 PMAQI
12th Sep 2026233 PMAQI
12th Sep 2026234 PMAQI
12th Sep 2026285 PMAQI
12th Sep 2026256 PMAQI
12th Sep 2026277 PMAQI
12th Sep 2026238 PMAQI
12th Sep 2026259 PMAQI
12th Sep 20262110 PMAQI
12th Sep 20262511 PMAQI
13th Sep 20262112 AMAQI
13th Sep 2026231 AMAQI
13th Sep 2026232 AMAQI
13th Sep 2026223 AMAQI
13th Sep 2026244 AMAQI

20°C19/21°C

13th Sep 2026246 AMAQI
13th Sep 2026257 AMAQI
13th Sep 2026248 AMAQI
13th Sep 2026249 AMAQI
13th Sep 20262510 AMAQI
13th Sep 20262511 AMAQI
13th Sep 20262512 PMAQI
13th Sep 2026231 PMAQI
13th Sep 2026252 PMAQI
13th Sep 2026323 PMAQI
13th Sep 2026384 PMAQI
13th Sep 2026455 PMAQI
13th Sep 2026486 PMAQI
13th Sep 2026487 PMAQI
13th Sep 2026488 PMAQI
13th Sep 2026509 PMAQI
13th Sep 20264410 PMAQI
13th Sep 20262611 PMAQI
14th Sep 20262412 AMAQI
14th Sep 2026231 AMAQI
14th Sep 2026222 AMAQI
14th Sep 2026253 AMAQI
14th Sep 2026264 AMAQI

23°C20/27°C

14th Sep 2026245 AMAQI
14th Sep 2026256 AMAQI
14th Sep 2026257 AMAQI
14th Sep 2026238 AMAQI
14th Sep 2026259 AMAQI
14th Sep 20262310 AMAQI
14th Sep 20261811 AMAQI
14th Sep 20262912 PMAQI
14th Sep 2026271 PMAQI
14th Sep 2026232 PMAQI
14th Sep 2026203 PMAQI
14th Sep 2026274 PMAQI
14th Sep 2026325 PMAQI
14th Sep 2026146 PMAQI
14th Sep 2026197 PMAQI
14th Sep 2026178 PMAQI
14th Sep 2026209 PMAQI
14th Sep 20261710 PMAQI
14th Sep 20261811 PMAQI
15th Sep 20261812 AMAQI
15th Sep 2026161 AMAQI
15th Sep 2026262 AMAQI
15th Sep 2026383 AMAQI
15th Sep 2026234 AMAQI

25°C21/29°C

15th Sep 2026235 AMAQI
15th Sep 2026256 AMAQI
15th Sep 2026217 AMAQI
15th Sep 2026258 AMAQI
15th Sep 2026239 AMAQI
15th Sep 20262510 AMAQI
15th Sep 20262111 AMAQI
15th Sep 20262312 PMAQI
15th Sep 2026251 PMAQI
15th Sep 2026252 PMAQI
15th Sep 2026253 PMAQI
15th Sep 2026254 PMAQI
15th Sep 2026305 PMAQI
15th Sep 2026306 PMAQI
15th Sep 2026287 PMAQI
15th Sep 2026308 PMAQI
15th Sep 2026329 PMAQI
15th Sep 20263610 PMAQI
15th Sep 20264211 PMAQI
16th Sep 20264712 AMAQI
16th Sep 2026251 AMAQI
16th Sep 2026222 AMAQI
16th Sep 2026233 AMAQI
16th Sep 2026234 AMAQI

23°C21/25°C

16th Sep 2026255 AMAQI
16th Sep 2026426 AMAQI
16th Sep 2026457 AMAQI
16th Sep 2026298 AMAQI
16th Sep 2026259 AMAQI
16th Sep 20262710 AMAQI
16th Sep 20262411 AMAQI
16th Sep 20262212 PMAQI
16th Sep 2026221 PMAQI
16th Sep 2026232 PMAQI
16th Sep 2026213 PMAQI
16th Sep 2026194 PMAQI
16th Sep 2026245 PMAQI
16th Sep 2026256 PMAQI
16th Sep 2026247 PMAQI
16th Sep 2026238 PMAQI
16th Sep 2026219 PMAQI
16th Sep 20262510 PMAQI
16th Sep 20262511 PMAQI
17th Sep 20262312 AMAQI
17th Sep 2026241 AMAQI
17th Sep 2026252 AMAQI
17th Sep 2026233 AMAQI
17th Sep 2026254 AMAQI

21°C20/22°C

17th Sep 2026235 AMAQI
17th Sep 2026256 AMAQI
17th Sep 2026207 AMAQI
17th Sep 2026108 AMAQI
17th Sep 2026169 AMAQI
17th Sep 20262710 AMAQI
17th Sep 20263311 AMAQI
17th Sep 20262912 PMAQI
17th Sep 2026251 PMAQI
17th Sep 2026212 PMAQI
17th Sep 2026223 PMAQI
17th Sep 2026224 PMAQI
17th Sep 2026245 PMAQI
17th Sep 2026256 PMAQI
17th Sep 2026237 PMAQI
17th Sep 2026238 PMAQI
17th Sep 2026249 PMAQI
17th Sep 20262410 PMAQI
17th Sep 20262211 PMAQI
18th Sep 20262912 AMAQI
18th Sep 2026321 AMAQI
18th Sep 2026342 AMAQI
18th Sep 2026313 AMAQI
18th Sep 2026304 AMAQI

20°C19/22°C

18th Sep 2026295 AMAQI
18th Sep 2026306 AMAQI
18th Sep 2026307 AMAQI
18th Sep 2026308 AMAQI
18th Sep 2026309 AMAQI
18th Sep 20262910 AMAQI
18th Sep 20263011 AMAQI
18th Sep 20262812 PMAQI
18th Sep 2026271 PMAQI
18th Sep 2026272 PMAQI
18th Sep 2026323 PMAQI
18th Sep 2026264 PMAQI
18th Sep 2026265 PMAQI
18th Sep 2026266 PMAQI
18th Sep 2026287 PMAQI
18th Sep 2026288 PMAQI
18th Sep 2026319 PMAQI
18th Sep 20262810 PMAQI
18th Sep 20262611 PMAQI
19th Sep 20262612 AMAQI
19th Sep 2026261 AMAQI
19th Sep 2026262 AMAQI
19th Sep 2026253 AMAQI
19th Sep 2026244 AMAQI

19°C18/21°C

19th Sep 2026265 AMAQI
19th Sep 2026256 AMAQI
19th Sep 2026277 AMAQI
19th Sep 2026258 AMAQI
19th Sep 2026259 AMAQI
19th Sep 20262310 AMAQI
19th Sep 20262311 AMAQI
19th Sep 20262712 PMAQI
19th Sep 2026261 PMAQI
19th Sep 2026292 PMAQI
19th Sep 2026273 PMAQI
19th Sep 2026284 PMAQI
19th Sep 2026275 PMAQI
19th Sep 2026266 PMAQI
19th Sep 2026257 PMAQI
19th Sep 2026298 PMAQI
19th Sep 2026289 PMAQI
19th Sep 20262710 PMAQI
19th Sep 20262911 PMAQI
20th Sep 20263212 AMAQI
20th Sep 2026361 AMAQI
20th Sep 2026342 AMAQI
20th Sep 2026323 AMAQI
20th Sep 2026324 AMAQI

21°C20/24°C

20th Sep 2026345 AMAQI
20th Sep 2026346 AMAQI
20th Sep 2026367 AMAQI
20th Sep 2026348 AMAQI
20th Sep 2026379 AMAQI
20th Sep 20263410 AMAQI
20th Sep 20263211 AMAQI
20th Sep 20263012 PMAQI
20th Sep 2026321 PMAQI
20th Sep 2026282 PMAQI
20th Sep 2026293 PMAQI
20th Sep 2026284 PMAQI
20th Sep 2026255 PMAQI
20th Sep 2026296 PMAQI
20th Sep 2026287 PMAQI
20th Sep 2026298 PMAQI
20th Sep 2026279 PMAQI
20th Sep 20262410 PMAQI
20th Sep 20262611 PMAQI
21st Sep 20264212 AMAQI
21st Sep 2026241 AMAQI
21st Sep 2026182 AMAQI
21st Sep 2026243 AMAQI
21st Sep 2026264 AMAQI

21°C20/23°C

21st Sep 2026205 AMAQI
21st Sep 2026126 AMAQI
21st Sep 2026137 AMAQI
21st Sep 2026168 AMAQI
21st Sep 2026169 AMAQI
21st Sep 20261410 AMAQI
21st Sep 20262511 AMAQI
21st Sep 20262612 PMAQI
21st Sep 2026361 PMAQI
21st Sep 2026402 PMAQI
21st Sep 2026403 PMAQI
21st Sep 2026384 PMAQI
21st Sep 2026395 PMAQI
21st Sep 2026386 PMAQI
21st Sep 2026347 PMAQI
21st Sep 2026348 PMAQI
21st Sep 2026379 PMAQI
21st Sep 20263610 PMAQI
21st Sep 20263911 PMAQI
22nd Sep 20263812 AMAQI
22nd Sep 2026311 AMAQI
22nd Sep 2026462 AMAQI
22nd Sep 2026573 AMAQI
22nd Sep 2026544 AMAQI

24°C22/27°C

22nd Sep 2026525 AMAQI
22nd Sep 2026366 AMAQI
22nd Sep 2026307 AMAQI
22nd Sep 2026368 AMAQI
22nd Sep 2026359 AMAQI
22nd Sep 20264210 AMAQI
22nd Sep 20264011 AMAQI
22nd Sep 20264212 PMAQI
22nd Sep 2026481 PMAQI
22nd Sep 2026412 PMAQI
22nd Sep 2026383 PMAQI
22nd Sep 2026404 PMAQI
22nd Sep 2026365 PMAQI
22nd Sep 2026366 PMAQI
22nd Sep 2026407 PMAQI
22nd Sep 2026368 PMAQI
22nd Sep 2026369 PMAQI
22nd Sep 20263810 PMAQI
22nd Sep 20263411 PMAQI
23rd Sep 20263812 AMAQI
23rd Sep 2026321 AMAQI
23rd Sep 2026342 AMAQI
23rd Sep 2026283 AMAQI
23rd Sep 2026284 AMAQI

24°C22/28°C

23rd Sep 2026305 AMAQI
23rd Sep 2026306 AMAQI
23rd Sep 2026287 AMAQI
23rd Sep 2026258 AMAQI
23rd Sep 2026239 AMAQI
23rd Sep 20262810 AMAQI
23rd Sep 20262711 AMAQI
23rd Sep 20262612 PMAQI
23rd Sep 2026251 PMAQI
23rd Sep 2026222 PMAQI
23rd Sep 2026253 PMAQI
23rd Sep 2026224 PMAQI
23rd Sep 2026225 PMAQI
23rd Sep 2026236 PMAQI
23rd Sep 2026287 PMAQI
23rd Sep 2026288 PMAQI
23rd Sep 2026259 PMAQI
23rd Sep 20262510 PMAQI
23rd Sep 20262611 PMAQI
24th Sep 20262512 AMAQI
24th Sep 2026281 AMAQI
24th Sep 2026262 AMAQI
24th Sep 2026263 AMAQI
24th Sep 2026244 AMAQI

21°C20/22°C

24th Sep 2026245 AMAQI
24th Sep 2026266 AMAQI
24th Sep 2026267 AMAQI
24th Sep 2026268 AMAQI
24th Sep 2026289 AMAQI
24th Sep 20263010 AMAQI
24th Sep 20262711 AMAQI
24th Sep 20263412 PMAQI
24th Sep 2026381 PMAQI
24th Sep 2026382 PMAQI
24th Sep 2026383 PMAQI
24th Sep 2026384 PMAQI
24th Sep 2026395 PMAQI
24th Sep 2026346 PMAQI
24th Sep 2026327 PMAQI
24th Sep 2026368 PMAQI
24th Sep 2026399 PMAQI
24th Sep 20264010 PMAQI
24th Sep 20263711 PMAQI
25th Sep 20262912 AMAQI
25th Sep 2026281 AMAQI
25th Sep 2026392 AMAQI
25th Sep 2026313 AMAQI
25th Sep 2026394 AMAQI

22°C20/27°C

25th Sep 2026365 AMAQI
25th Sep 2026346 AMAQI
25th Sep 2026357 AMAQI
25th Sep 2026388 AMAQI
25th Sep 2026379 AMAQI
25th Sep 20263410 AMAQI
25th Sep 20263411 AMAQI
25th Sep 20263012 PMAQI
25th Sep 2026341 PMAQI
25th Sep 2026292 PMAQI
25th Sep 2026273 PMAQI
25th Sep 2026264 PMAQI
25th Sep 2026255 PMAQI
25th Sep 2026246 PMAQI
25th Sep 2026267 PMAQI
25th Sep 2026258 PMAQI
25th Sep 2026309 PMAQI
25th Sep 20263510 PMAQI
25th Sep 20263611 PMAQI
26th Sep 20263612 AMAQI
26th Sep 2026341 AMAQI
26th Sep 2026322 AMAQI
26th Sep 2026243 AMAQI
26th Sep 2026244 AMAQI

22°C19/26°C

26th Sep 2026245 AMAQI
26th Sep 2026246 AMAQI
26th Sep 2026247 AMAQI
26th Sep 2026278 AMAQI
26th Sep 2026329 AMAQI
26th Sep 20263410 AMAQI
26th Sep 20263911 AMAQI
26th Sep 20262312 PMAQI
26th Sep 2026251 PMAQI
26th Sep 2026282 PMAQI
26th Sep 2026243 PMAQI
26th Sep 2026244 PMAQI
26th Sep 2026295 PMAQI
26th Sep 2026266 PMAQI
26th Sep 2026307 PMAQI
26th Sep 2026348 PMAQI
26th Sep 2026329 PMAQI
26th Sep 20263410 PMAQI
26th Sep 20263011 PMAQI
27th Sep 20262812 AMAQI
27th Sep 2026261 AMAQI
27th Sep 2026262 AMAQI
27th Sep 2026303 AMAQI
27th Sep 2026264 AMAQI

19°C17/21°C

27th Sep 2026255 AMAQI
27th Sep 2026276 AMAQI
27th Sep 2026297 AMAQI
27th Sep 2026288 AMAQI
27th Sep 2026329 AMAQI
27th Sep 20263210 AMAQI
27th Sep 20263611 AMAQI
27th Sep 20263612 PMAQI
27th Sep 2026381 PMAQI
27th Sep 2026382 PMAQI
27th Sep 2026323 PMAQI
27th Sep 2026284 PMAQI
27th Sep 2026345 PMAQI
27th Sep 2026326 PMAQI
27th Sep 2026307 PMAQI
27th Sep 2026298 PMAQI
27th Sep 2026349 PMAQI
27th Sep 20263210 PMAQI
27th Sep 20263411 PMAQI
28th Sep 20264012 AMAQI
28th Sep 2026361 AMAQI
28th Sep 2026382 AMAQI
28th Sep 2026403 AMAQI
28th Sep 2026394 AMAQI

20°C17/24°C

28th Sep 2026425 AMAQI
28th Sep 2026386 AMAQI
28th Sep 2026367 AMAQI
28th Sep 2026328 AMAQI
28th Sep 2026349 AMAQI
28th Sep 20264210 AMAQI
28th Sep 20264011 AMAQI
28th Sep 20264212 PMAQI
28th Sep 2026381 PMAQI
28th Sep 2026382 PMAQI
28th Sep 2026303 PMAQI
28th Sep 2026324 PMAQI
28th Sep 2026325 PMAQI
28th Sep 2026256 PMAQI
28th Sep 2026257 PMAQI
28th Sep 2026278 PMAQI
28th Sep 2026269 PMAQI
28th Sep 20263210 PMAQI
28th Sep 20263811 PMAQI
29th Sep 20263212 AMAQI
29th Sep 2026281 AMAQI
29th Sep 2026322 AMAQI
29th Sep 2026363 AMAQI
29th Sep 2026384 AMAQI

23°C20/25°C

29th Sep 2026365 AMAQI
5 AM
29th Sep 2026286 AMAQI
29th Sep 2026307 AMAQI
29th Sep 2026308 AMAQI
29th Sep 2026329 AMAQI
29th Sep 20262710 AMAQI
29th Sep 20261811 AMAQI
11 AM
29th Sep 20261812 PMAQI
29th Sep 2026181 PMAQI
29th Sep 2026162 PMAQI
29th Sep 2026163 PMAQI
29th Sep 2026164 PMAQI
29th Sep 2026165 PMAQI
5 PM
29th Sep 2026166 PMAQI
29th Sep 2026167 PMAQI
29th Sep 2026168 PMAQI
29th Sep 2026269 PMAQI
29th Sep 20263410 PMAQI
29th Sep 20263711 PMAQI
11 PM
4 AM

19°C17/22°C

Day time
Avg. Highest Time
11 AM - 12 PM

30AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
8 AM

27AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 12 PM (Avg. 30), while the lowest AQI was between 8 AM to 8 AM (Avg. 27).
Night time
Avg. Highest Time
12 AM

30AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM - 7 PM

27AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 30), while the lowest AQI was between 6 PM to 7 PM (Avg. 27).

2026 Days Vs Air Quality

Kimitsu, Chiba, Japan

2026

93%

252

7%

20

Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)

Good
252 Days
Moderate
20 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 93%

Health Risk Level:

Very Low

In 2026, 93% of 272 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

Kimitsu, 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
21AQI (US)
2nd January 2026
20AQI (US)
3rd January 2026
20AQI (US)
4th January 2026
24AQI (US)
5th January 2026
36AQI (US)
6th January 2026
29AQI (US)
7th January 2026
29AQI (US)
8th January 2026
39AQI (US)
9th January 2026
14AQI (US)
10th January 2026
33AQI (US)
11th January 2026
30AQI (US)
12th January 2026
16AQI (US)
13th January 2026
28AQI (US)
14th January 2026
20AQI (US)
15th January 2026
34AQI (US)
16th January 2026
40AQI (US)
17th January 2026
33AQI (US)
18th January 2026
24AQI (US)
19th January 2026
32AQI (US)
20th January 2026
32AQI (US)
21st January 2026
14AQI (US)
22nd January 2026
24AQI (US)
23rd January 2026
37AQI (US)
24th January 2026
30AQI (US)
25th January 2026
44AQI (US)
26th January 2026
26AQI (US)
27th January 2026
40AQI (US)
28th January 2026
30AQI (US)
29th January 2026
20AQI (US)
30th January 2026
36AQI (US)
31st January 2026
38AQI (US)
1st February 2026
36AQI (US)
2nd February 2026
46AQI (US)
3rd February 2026
30AQI (US)
4th February 2026
34AQI (US)
5th February 2026
50AQI (US)
6th February 2026
48AQI (US)
7th February 2026
19AQI (US)
8th February 2026
14AQI (US)
9th February 2026
34AQI (US)
10th February 2026
31AQI (US)
11th February 2026
35AQI (US)
12th February 2026
28AQI (US)
13th February 2026
38AQI (US)
14th February 2026
58AQI (US)
15th February 2026
43AQI (US)
16th February 2026
42AQI (US)
17th February 2026
20AQI (US)
18th February 2026
28AQI (US)
19th February 2026
14AQI (US)
20th February 2026
25AQI (US)
21st February 2026
46AQI (US)
22nd February 2026
26AQI (US)
23rd February 2026
34AQI (US)
24th February 2026
35AQI (US)
25th February 2026
26AQI (US)
26th February 2026
15AQI (US)
27th February 2026
43AQI (US)
28th February 2026
41AQI (US)
1st March 2026
34AQI (US)
2nd March 2026
60AQI (US)
3rd March 2026
42AQI (US)
4th March 2026
50AQI (US)
5th March 2026
50AQI (US)
6th March 2026
51AQI (US)
7th March 2026
38AQI (US)
8th March 2026
30AQI (US)
9th March 2026
44AQI (US)
10th March 2026
57AQI (US)
11th March 2026
54AQI (US)
12th March 2026
60AQI (US)
13th March 2026
39AQI (US)
14th March 2026
44AQI (US)
15th March 2026
55AQI (US)
16th March 2026
50AQI (US)
17th March 2026
46AQI (US)
18th March 2026
50AQI (US)
19th March 2026
34AQI (US)
20th March 2026
31AQI (US)
21st March 2026
39AQI (US)
22nd March 2026
47AQI (US)
23rd March 2026
34AQI (US)
24th March 2026
29AQI (US)
25th March 2026
44AQI (US)
26th March 2026
26AQI (US)
27th March 2026
28AQI (US)
28th March 2026
52AQI (US)
29th March 2026
48AQI (US)
30th March 2026
40AQI (US)
31st March 2026
24AQI (US)
1st April 2026
22AQI (US)
2nd April 2026
20AQI (US)
3rd April 2026
45AQI (US)
4th April 2026
44AQI (US)
5th April 2026
32AQI (US)
6th April 2026
34AQI (US)
7th April 2026
26AQI (US)
8th April 2026
23AQI (US)
9th April 2026
26AQI (US)
10th April 2026
46AQI (US)
11th April 2026
44AQI (US)
12th April 2026
28AQI (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
26AQI (US)
19th April 2026
30AQI (US)
20th April 2026
34AQI (US)
21st April 2026
39AQI (US)
22nd April 2026
45AQI (US)
23rd April 2026
34AQI (US)
24th April 2026
29AQI (US)
25th April 2026
35AQI (US)
26th April 2026
50AQI (US)
27th April 2026
49AQI (US)
28th April 2026
42AQI (US)
29th April 2026
37AQI (US)
30th April 2026
20AQI (US)
1st May 2026
25AQI (US)
2nd May 2026
24AQI (US)
3rd May 2026
36AQI (US)
4th May 2026
29AQI (US)
5th May 2026
20AQI (US)
6th May 2026
26AQI (US)
7th May 2026
27AQI (US)
8th May 2026
22AQI (US)
9th May 2026
26AQI (US)
10th May 2026
30AQI (US)
11th May 2026
26AQI (US)
12th May 2026
30AQI (US)
13th May 2026
37AQI (US)
14th May 2026
32AQI (US)
15th May 2026
39AQI (US)
16th May 2026
85AQI (US)
17th May 2026
68AQI (US)
18th May 2026
52AQI (US)
19th May 2026
48AQI (US)
20th May 2026
60AQI (US)
21st May 2026
58AQI (US)
22nd May 2026
59AQI (US)
23rd May 2026
53AQI (US)
24th May 2026
58AQI (US)
25th May 2026
46AQI (US)
26th May 2026
39AQI (US)
27th May 2026
24AQI (US)
28th May 2026
25AQI (US)
29th May 2026
24AQI (US)
30th May 2026
23AQI (US)
31st May 2026
26AQI (US)
1st June 2026
30AQI (US)
2nd June 2026
18AQI (US)
3rd June 2026
18AQI (US)
4th June 2026
23AQI (US)
5th June 2026
22AQI (US)
6th June 2026
23AQI (US)
7th June 2026
26AQI (US)
8th June 2026
18AQI (US)
9th June 2026
16AQI (US)
10th June 2026
22AQI (US)
11th June 2026
24AQI (US)
12th June 2026
24AQI (US)
13th June 2026
38AQI (US)
14th June 2026
36AQI (US)
15th June 2026
16AQI (US)
16th June 2026
23AQI (US)
17th June 2026
22AQI (US)
18th June 2026
24AQI (US)
19th June 2026
26AQI (US)
20th June 2026
22AQI (US)
21st June 2026
21AQI (US)
22nd June 2026
20AQI (US)
23rd June 2026
21AQI (US)
24th June 2026
24AQI (US)
25th June 2026
26AQI (US)
26th June 2026
27AQI (US)
27th June 2026
16AQI (US)
28th June 2026
22AQI (US)
29th June 2026
26AQI (US)
30th June 2026
25AQI (US)
1st July 2026
37AQI (US)
2nd July 2026
24AQI (US)
3rd July 2026
28AQI (US)
4th July 2026
20AQI (US)
5th July 2026
25AQI (US)
6th July 2026
24AQI (US)
7th July 2026
21AQI (US)
8th July 2026
21AQI (US)
9th July 2026
20AQI (US)
10th July 2026
16AQI (US)
11th July 2026
22AQI (US)
12th July 2026
28AQI (US)
13th July 2026
40AQI (US)
14th July 2026
28AQI (US)
15th July 2026
36AQI (US)
16th July 2026
66AQI (US)
17th July 2026
50AQI (US)
18th July 2026
20AQI (US)
19th July 2026
20AQI (US)
20th July 2026
26AQI (US)
21st July 2026
47AQI (US)
22nd July 2026
61AQI (US)
23rd July 2026
56AQI (US)
24th July 2026
38AQI (US)
25th July 2026
46AQI (US)
26th July 2026
28AQI (US)
27th July 2026
24AQI (US)
28th July 2026
34AQI (US)
29th July 2026
32AQI (US)
30th July 2026
39AQI (US)
31st July 2026
50AQI (US)
1st August 2026
61AQI (US)
2nd August 2026
46AQI (US)
3rd August 2026
23AQI (US)
4th August 2026
28AQI (US)
5th August 2026
24AQI (US)
6th August 2026
23AQI (US)
7th August 2026
24AQI (US)
8th August 2026
24AQI (US)
9th August 2026
26AQI (US)
10th August 2026
24AQI (US)
11th August 2026
26AQI (US)
12th August 2026
24AQI (US)
13th August 2026
28AQI (US)
14th August 2026
34AQI (US)
15th August 2026
39AQI (US)
16th August 2026
28AQI (US)
17th August 2026
29AQI (US)
18th August 2026
27AQI (US)
19th August 2026
31AQI (US)
20th August 2026
34AQI (US)
21st August 2026
36AQI (US)
22nd August 2026
36AQI (US)
23rd August 2026
40AQI (US)
24th August 2026
43AQI (US)
25th August 2026
30AQI (US)
26th August 2026
36AQI (US)
27th August 2026
30AQI (US)
28th August 2026
31AQI (US)
29th August 2026
32AQI (US)
30th August 2026
33AQI (US)
31st August 2026
26AQI (US)
1st September 2026
26AQI (US)
2nd September 2026
28AQI (US)
3rd September 2026
27AQI (US)
4th September 2026
27AQI (US)
5th September 2026
29AQI (US)
6th September 2026
30AQI (US)
7th September 2026
24AQI (US)
8th September 2026
31AQI (US)
9th September 2026
32AQI (US)
10th September 2026
32AQI (US)
11th September 2026
26AQI (US)
12th September 2026
27AQI (US)
13th September 2026
31AQI (US)
14th September 2026
22AQI (US)
15th September 2026
26AQI (US)
16th September 2026
26AQI (US)
17th September 2026
24AQI (US)
18th September 2026
29AQI (US)
19th September 2026
26AQI (US)
20th September 2026
31AQI (US)
21st September 2026
29AQI (US)
22nd September 2026
40AQI (US)
23rd September 2026
27AQI (US)
24th September 2026
32AQI (US)
25th September 2026
32AQI (US)
26th September 2026
29AQI (US)
27th September 2026
31AQI (US)
28th September 2026
35AQI (US)
29th September 2026
26AQI (US)
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)

34AQI (US)

43AQI (US)

34AQI (US)

38AQI (US)

23AQI (US)

33AQI (US)

31AQI (US)

29AQI (US)

No. of days

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

202633AQI (US)

31
27
1
24
7
30
23
8
30
28
3
30
1
29
252
20

Highest AQI (US) recorded in

March

43AQI (US)

Lowest AQI (US) recorded in

June

23AQI (US)

202539AQI (US)

29
2
28
24
7
29
1
30
1
30
24
7
23
8
30
22
9
25
5
24
7
318
47

Highest AQI (US) recorded in

October

47AQI (US)

Lowest AQI (US) recorded in

June

32AQI (US)

202437AQI (US)

31
28
1
26
5
24
6
29
2
27
3
18
13
31
29
1
31
27
3
31
332
34

Highest AQI (US) recorded in

July

47AQI (US)

Lowest AQI (US) recorded in

October

32AQI (US)

202340AQI (US)

26
5
25
3
28
3
23
7
27
4
26
4
26
5
29
2
29
1
30
1
25
4
25
6
319
45

Highest AQI (US) recorded in

April

47AQI (US)

Lowest AQI (US) recorded in

August

30AQI (US)

202238AQI (US)

25
6
18
3
24
7
23
7
28
3
26
4
23
1
1
28
29
2
27
3
31
283
36

Highest AQI (US) recorded in

March

44AQI (US)

Lowest AQI (US) recorded in

August

22AQI (US)

202136AQI (US)

24
6
26
2
27
4
28
2
24
7
28
2
29
2
27
4
29
1
31
26
4
28
3
327
37

Highest AQI (US) recorded in

May

41AQI (US)

Lowest AQI (US) recorded in

October

33AQI (US)

202034AQI (US)

12
1
21
18
25
5
31
23
7
1
19
31
21
9
27
4
228
26
1

Highest AQI (US) recorded in

August

39AQI (US)

Lowest AQI (US) recorded in

September

26AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
40AQI (US)
Least Polluted Year Recorded
2026(Avg.)
33AQI (US)

Kimitsu's annual 2026 AQI (US) (33) shows an average percentage change of -11.3% (improved AQI (US)) compared to previous years: 2020 (34), 2021 (36), 2022 (38), 2023 (40), 2024 (37), 2025 (39).