Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Ichikawa, 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

Ichikawa, Chiba, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
7th Jul 2025
80AQI
Lowest AQI recorded on
26th Jul 2022
14AQI

Same Day Analysis (30th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2024 on the same day.

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

Ichikawa, Chiba, Japan

AQI
Day
Night
.

4 AM30th Jul 2026

6 PM

3 AM31st Jul 2026

Day time
Avg. Highest Time
5PM30th Jul

61AQI

Avg. Lowest Time
5AM30th Jul

21AQI

Night time
Avg. Highest Time
7PM30th Jul

61AQI

Avg. Lowest Time
3AM31st Jul

36AQI

In the last 24 hours,

Ichikawa's AQI reached its highest point of 61 at 5 PM during the Day, while the lowest point, 21, was recorded at 5 AM during the Day between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Ichikawa, 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 2026484 AMAQI
2nd Jul 2026375 AMAQI
2nd Jul 2026366 AMAQI
2nd Jul 2026367 AMAQI
2nd Jul 2026318 AMAQI
2nd Jul 2026269 AMAQI
2nd Jul 20261910 AMAQI
2nd Jul 20261511 AMAQI
2nd Jul 20261312 PMAQI
2nd Jul 2026131 PMAQI
2nd Jul 2026132 PMAQI
2nd Jul 2026133 PMAQI
2nd Jul 2026124 PMAQI
2nd Jul 2026145 PMAQI
2nd Jul 2026146 PMAQI
2nd Jul 2026127 PMAQI
2nd Jul 2026138 PMAQI
2nd Jul 2026139 PMAQI
2nd Jul 20261410 PMAQI
2nd Jul 20261611 PMAQI
3rd Jul 20261412 AMAQI
3rd Jul 2026141 AMAQI
3rd Jul 2026132 AMAQI
3rd Jul 2026133 AMAQI

22°C21/23°C

3rd Jul 2026124 AMAQI
3rd Jul 2026115 AMAQI
3rd Jul 2026116 AMAQI
3rd Jul 2026127 AMAQI
3rd Jul 2026118 AMAQI
3rd Jul 2026119 AMAQI
3rd Jul 20261210 AMAQI
3rd Jul 20261311 AMAQI
3rd Jul 20261812 PMAQI
3rd Jul 2026181 PMAQI
3rd Jul 2026212 PMAQI
3rd Jul 2026173 PMAQI
3rd Jul 2026174 PMAQI
3rd Jul 2026225 PMAQI
3rd Jul 2026256 PMAQI
3rd Jul 2026277 PMAQI
3rd Jul 2026288 PMAQI
3rd Jul 2026299 PMAQI
3rd Jul 20262810 PMAQI
3rd Jul 20262911 PMAQI
4th Jul 20263112 AMAQI
4th Jul 2026331 AMAQI
4th Jul 2026362 AMAQI
4th Jul 2026353 AMAQI

23°C21/25°C

4th Jul 2026344 AMAQI
4th Jul 2026385 AMAQI
4th Jul 2026476 AMAQI
4th Jul 2026617 AMAQI
4th Jul 2026678 AMAQI
4th Jul 2026689 AMAQI
4th Jul 20266510 AMAQI
4th Jul 20266211 AMAQI
4th Jul 20266012 PMAQI
4th Jul 2026511 PMAQI
4th Jul 2026482 PMAQI
4th Jul 2026403 PMAQI
4th Jul 2026384 PMAQI
4th Jul 2026365 PMAQI
4th Jul 2026296 PMAQI
4th Jul 2026267 PMAQI
4th Jul 2026208 PMAQI
4th Jul 2026159 PMAQI
4th Jul 20261410 PMAQI
4th Jul 20261411 PMAQI
5th Jul 20261312 AMAQI
5th Jul 2026161 AMAQI
5th Jul 2026162 AMAQI
5th Jul 2026123 AMAQI

23°C21/25°C

5th Jul 2026164 AMAQI
5th Jul 2026165 AMAQI
5th Jul 2026146 AMAQI
5th Jul 2026127 AMAQI
5th Jul 2026118 AMAQI
5th Jul 2026109 AMAQI
5th Jul 20261210 AMAQI
5th Jul 20261811 AMAQI
5th Jul 20262312 PMAQI
5th Jul 2026261 PMAQI
5th Jul 2026262 PMAQI
5th Jul 2026243 PMAQI
5th Jul 2026254 PMAQI
5th Jul 2026265 PMAQI
5th Jul 2026266 PMAQI
5th Jul 2026327 PMAQI
5th Jul 2026328 PMAQI
5th Jul 2026299 PMAQI
5th Jul 20262910 PMAQI
5th Jul 20262611 PMAQI
6th Jul 20262812 AMAQI
6th Jul 2026321 AMAQI
6th Jul 2026352 AMAQI
6th Jul 2026263 AMAQI

24°C22/26°C

6th Jul 2026314 AMAQI
6th Jul 2026275 AMAQI
6th Jul 2026306 AMAQI
6th Jul 2026327 AMAQI
6th Jul 2026308 AMAQI
6th Jul 2026279 AMAQI
6th Jul 20262810 AMAQI
6th Jul 20262511 AMAQI
6th Jul 20262112 PMAQI
6th Jul 2026191 PMAQI
6th Jul 2026212 PMAQI
6th Jul 2026243 PMAQI
6th Jul 2026234 PMAQI
6th Jul 2026205 PMAQI
6th Jul 2026196 PMAQI
6th Jul 2026217 PMAQI
6th Jul 2026248 PMAQI
6th Jul 2026269 PMAQI
6th Jul 20262610 PMAQI
6th Jul 20262711 PMAQI
7th Jul 20262812 AMAQI
7th Jul 2026291 AMAQI
7th Jul 2026292 AMAQI
7th Jul 2026293 AMAQI

23°C21/24°C

7th Jul 2026274 AMAQI
7th Jul 2026285 AMAQI
7th Jul 2026296 AMAQI
7th Jul 2026267 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026249 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262211 AMAQI
7th Jul 20262112 PMAQI
7th Jul 2026211 PMAQI
7th Jul 2026232 PMAQI
7th Jul 2026263 PMAQI
7th Jul 2026244 PMAQI
7th Jul 2026265 PMAQI
7th Jul 2026266 PMAQI
7th Jul 2026247 PMAQI
7th Jul 2026258 PMAQI
7th Jul 2026259 PMAQI
7th Jul 20262510 PMAQI
7th Jul 20262511 PMAQI
8th Jul 20262912 AMAQI
8th Jul 2026291 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026233 AMAQI

24°C21/29°C

8th Jul 2026244 AMAQI
8th Jul 2026275 AMAQI
8th Jul 2026276 AMAQI
8th Jul 2026267 AMAQI
8th Jul 2026258 AMAQI
8th Jul 2026199 AMAQI
8th Jul 20262210 AMAQI
8th Jul 20262311 AMAQI
8th Jul 20262212 PMAQI
8th Jul 2026221 PMAQI
8th Jul 2026232 PMAQI
8th Jul 2026253 PMAQI
8th Jul 2026254 PMAQI
8th Jul 2026245 PMAQI
8th Jul 2026226 PMAQI
8th Jul 2026187 PMAQI
8th Jul 2026188 PMAQI
8th Jul 2026189 PMAQI
8th Jul 20261610 PMAQI
8th Jul 20261811 PMAQI
9th Jul 20261712 AMAQI
9th Jul 2026261 AMAQI
9th Jul 2026242 AMAQI
9th Jul 2026223 AMAQI

25°C21/29°C

9th Jul 2026224 AMAQI
9th Jul 2026205 AMAQI
9th Jul 2026216 AMAQI
9th Jul 2026187 AMAQI
9th Jul 2026198 AMAQI
9th Jul 2026209 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262111 AMAQI
9th Jul 20262112 PMAQI
9th Jul 2026211 PMAQI
9th Jul 2026242 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026264 PMAQI
9th Jul 2026265 PMAQI
9th Jul 2026256 PMAQI
9th Jul 2026247 PMAQI
9th Jul 2026238 PMAQI
9th Jul 2026229 PMAQI
9th Jul 20262310 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026252 AMAQI
10th Jul 2026193 AMAQI

25°C23/29°C

10th Jul 2026234 AMAQI
10th Jul 2026185 AMAQI
10th Jul 2026206 AMAQI
10th Jul 2026197 AMAQI
10th Jul 2026208 AMAQI
10th Jul 2026239 AMAQI
10th Jul 20262710 AMAQI
10th Jul 20262511 AMAQI
10th Jul 20262512 PMAQI
10th Jul 2026231 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026213 PMAQI
10th Jul 2026214 PMAQI
10th Jul 2026275 PMAQI
10th Jul 2026276 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026258 PMAQI
10th Jul 2026249 PMAQI
10th Jul 20261910 PMAQI
10th Jul 20262511 PMAQI
11th Jul 20262412 AMAQI
11th Jul 2026141 AMAQI
11th Jul 2026212 AMAQI
11th Jul 2026123 AMAQI

26°C23/29°C

11th Jul 2026124 AMAQI
11th Jul 2026175 AMAQI
11th Jul 2026236 AMAQI
11th Jul 2026177 AMAQI
11th Jul 2026258 AMAQI
11th Jul 2026299 AMAQI
11th Jul 20262910 AMAQI
11th Jul 20262511 AMAQI
11th Jul 20262512 PMAQI
11th Jul 2026231 PMAQI
11th Jul 2026222 PMAQI
11th Jul 2026223 PMAQI
11th Jul 2026244 PMAQI
11th Jul 2026285 PMAQI
11th Jul 2026256 PMAQI
11th Jul 2026277 PMAQI
11th Jul 2026228 PMAQI
11th Jul 2026249 PMAQI
11th Jul 20262710 PMAQI
11th Jul 20262611 PMAQI
12th Jul 20262912 AMAQI
12th Jul 2026271 AMAQI
12th Jul 2026272 AMAQI
12th Jul 2026213 AMAQI

26°C24/29°C

12th Jul 2026244 AMAQI
12th Jul 2026285 AMAQI
12th Jul 2026276 AMAQI
12th Jul 2026277 AMAQI
12th Jul 2026268 AMAQI
12th Jul 2026279 AMAQI
12th Jul 20262810 AMAQI
12th Jul 20262511 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026221 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026254 PMAQI
12th Jul 2026285 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026299 PMAQI
12th Jul 20263010 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026301 AMAQI
13th Jul 2026292 AMAQI
13th Jul 2026373 AMAQI

25°C24/27°C

13th Jul 2026354 AMAQI
13th Jul 2026365 AMAQI
13th Jul 2026356 AMAQI
13th Jul 2026347 AMAQI
13th Jul 2026338 AMAQI
13th Jul 2026349 AMAQI
13th Jul 20263510 AMAQI
13th Jul 20263311 AMAQI
13th Jul 20263012 PMAQI
13th Jul 2026271 PMAQI
13th Jul 2026432 PMAQI
13th Jul 2026363 PMAQI
13th Jul 2026394 PMAQI
13th Jul 2026425 PMAQI
13th Jul 2026716 PMAQI
13th Jul 2026687 PMAQI
13th Jul 2026628 PMAQI
13th Jul 2026569 PMAQI
13th Jul 20265510 PMAQI
13th Jul 20265311 PMAQI
14th Jul 20265312 AMAQI
14th Jul 2026551 AMAQI
14th Jul 2026582 AMAQI
14th Jul 2026623 AMAQI

26°C25/29°C

14th Jul 2026564 AMAQI
14th Jul 2026555 AMAQI
14th Jul 2026496 AMAQI
14th Jul 2026537 AMAQI
14th Jul 2026448 AMAQI
14th Jul 2026439 AMAQI
14th Jul 20264410 AMAQI
14th Jul 20264711 AMAQI
14th Jul 20263812 PMAQI
14th Jul 2026331 PMAQI
14th Jul 2026382 PMAQI
14th Jul 2026393 PMAQI
14th Jul 2026394 PMAQI
14th Jul 2026355 PMAQI
14th Jul 2026366 PMAQI
14th Jul 2026357 PMAQI
14th Jul 2026378 PMAQI
14th Jul 2026339 PMAQI
14th Jul 20263910 PMAQI
14th Jul 20263811 PMAQI
15th Jul 20263112 AMAQI
15th Jul 2026301 AMAQI
15th Jul 2026322 AMAQI
15th Jul 2026283 AMAQI

27°C24/30°C

15th Jul 2026294 AMAQI
15th Jul 2026345 AMAQI
15th Jul 2026356 AMAQI
15th Jul 2026367 AMAQI
15th Jul 2026368 AMAQI
15th Jul 2026419 AMAQI
15th Jul 20264310 AMAQI
15th Jul 20264111 AMAQI
15th Jul 20264312 PMAQI
15th Jul 2026421 PMAQI
15th Jul 2026442 PMAQI
15th Jul 2026513 PMAQI
15th Jul 2026554 PMAQI
15th Jul 2026495 PMAQI
15th Jul 2026516 PMAQI
15th Jul 2026527 PMAQI
15th Jul 2026508 PMAQI
15th Jul 2026509 PMAQI
15th Jul 20264610 PMAQI
15th Jul 20264611 PMAQI
16th Jul 20264312 AMAQI
16th Jul 2026451 AMAQI
16th Jul 2026442 AMAQI
16th Jul 2026313 AMAQI

28°C26/31°C

16th Jul 2026694 AMAQI
16th Jul 2026685 AMAQI
16th Jul 2026716 AMAQI
16th Jul 2026667 AMAQI
16th Jul 2026708 AMAQI
16th Jul 2026739 AMAQI
16th Jul 20267210 AMAQI
16th Jul 20267411 AMAQI
16th Jul 20267212 PMAQI
16th Jul 2026741 PMAQI
16th Jul 2026782 PMAQI
16th Jul 2026823 PMAQI
16th Jul 2026834 PMAQI
16th Jul 2026885 PMAQI
16th Jul 2026806 PMAQI
16th Jul 2026707 PMAQI
16th Jul 2026768 PMAQI
16th Jul 2026819 PMAQI
16th Jul 20268110 PMAQI
16th Jul 20267611 PMAQI
17th Jul 20267012 AMAQI
17th Jul 2026641 AMAQI
17th Jul 2026582 AMAQI
17th Jul 2026523 AMAQI

29°C26/33°C

17th Jul 2026514 AMAQI
17th Jul 2026475 AMAQI
17th Jul 2026466 AMAQI
17th Jul 2026467 AMAQI
17th Jul 2026478 AMAQI
17th Jul 2026549 AMAQI
17th Jul 20265610 AMAQI
17th Jul 20266311 AMAQI
17th Jul 20266812 PMAQI
17th Jul 2026691 PMAQI
17th Jul 2026622 PMAQI
17th Jul 2026403 PMAQI
17th Jul 2026294 PMAQI
17th Jul 2026405 PMAQI
17th Jul 2026466 PMAQI
17th Jul 2026527 PMAQI
17th Jul 2026538 PMAQI
17th Jul 2026529 PMAQI
17th Jul 20264810 PMAQI
17th Jul 20264511 PMAQI
18th Jul 20263612 AMAQI
18th Jul 2026311 AMAQI
18th Jul 2026322 AMAQI
18th Jul 2026333 AMAQI

28°C26/30°C

18th Jul 2026324 AMAQI
18th Jul 2026255 AMAQI
18th Jul 2026216 AMAQI
18th Jul 2026207 AMAQI
18th Jul 2026158 AMAQI
18th Jul 2026179 AMAQI
18th Jul 20261810 AMAQI
18th Jul 20261711 AMAQI
18th Jul 20261812 PMAQI
18th Jul 2026161 PMAQI
18th Jul 2026142 PMAQI
18th Jul 2026113 PMAQI
18th Jul 2026124 PMAQI
18th Jul 2026125 PMAQI
18th Jul 2026136 PMAQI
18th Jul 2026137 PMAQI
18th Jul 2026138 PMAQI
18th Jul 2026139 PMAQI
18th Jul 20261210 PMAQI
18th Jul 20261011 PMAQI
19th Jul 20261112 AMAQI
19th Jul 2026101 AMAQI
19th Jul 2026112 AMAQI
19th Jul 2026113 AMAQI

27°C25/29°C

19th Jul 2026124 AMAQI
19th Jul 2026125 AMAQI
19th Jul 2026126 AMAQI
19th Jul 2026127 AMAQI
19th Jul 2026128 AMAQI
19th Jul 2026129 AMAQI
19th Jul 20261210 AMAQI
19th Jul 20261511 AMAQI
19th Jul 20261712 PMAQI
19th Jul 2026211 PMAQI
19th Jul 2026232 PMAQI
19th Jul 2026243 PMAQI
19th Jul 2026234 PMAQI
19th Jul 2026235 PMAQI
19th Jul 2026226 PMAQI
19th Jul 2026247 PMAQI
19th Jul 2026268 PMAQI
19th Jul 2026249 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262812 AMAQI
20th Jul 2026261 AMAQI
20th Jul 2026292 AMAQI
20th Jul 2026233 AMAQI

27°C25/30°C

20th Jul 2026254 AMAQI
20th Jul 2026255 AMAQI
20th Jul 2026246 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026259 AMAQI
20th Jul 20262710 AMAQI
20th Jul 20262611 AMAQI
20th Jul 20262512 PMAQI
20th Jul 2026281 PMAQI
20th Jul 2026372 PMAQI
20th Jul 2026383 PMAQI
20th Jul 2026364 PMAQI
20th Jul 2026375 PMAQI
20th Jul 2026386 PMAQI
20th Jul 2026417 PMAQI
20th Jul 2026418 PMAQI
20th Jul 2026399 PMAQI
20th Jul 20263910 PMAQI
20th Jul 20263811 PMAQI
21st Jul 20263912 AMAQI
21st Jul 2026381 AMAQI
21st Jul 2026352 AMAQI
21st Jul 2026333 AMAQI

29°C26/33°C

21st Jul 2026324 AMAQI
21st Jul 2026295 AMAQI
21st Jul 2026306 AMAQI
21st Jul 2026317 AMAQI
21st Jul 2026338 AMAQI
21st Jul 2026349 AMAQI
21st Jul 20263910 AMAQI
21st Jul 20264211 AMAQI
21st Jul 2026541 PMAQI
21st Jul 2026572 PMAQI
21st Jul 2026623 PMAQI
21st Jul 2026584 PMAQI
21st Jul 2026535 PMAQI
21st Jul 2026546 PMAQI
21st Jul 2026927 PMAQI
21st Jul 2026548 PMAQI
21st Jul 2026519 PMAQI
21st Jul 20265410 PMAQI
21st Jul 20265611 PMAQI
22nd Jul 20265812 AMAQI
22nd Jul 2026581 AMAQI
22nd Jul 2026592 AMAQI
22nd Jul 2026613 AMAQI

30°C26/33°C

22nd Jul 2026624 AMAQI
22nd Jul 2026625 AMAQI
22nd Jul 2026626 AMAQI
22nd Jul 2026637 AMAQI
22nd Jul 2026628 AMAQI
22nd Jul 2026629 AMAQI
22nd Jul 20266510 AMAQI
22nd Jul 20266811 AMAQI
22nd Jul 20267212 PMAQI
22nd Jul 2026741 PMAQI
22nd Jul 2026742 PMAQI
22nd Jul 2026703 PMAQI
22nd Jul 2026674 PMAQI
22nd Jul 2026675 PMAQI
22nd Jul 2026676 PMAQI
22nd Jul 2026687 PMAQI
22nd Jul 2026718 PMAQI
22nd Jul 2026739 PMAQI
22nd Jul 20267410 PMAQI
22nd Jul 20267611 PMAQI
23rd Jul 20267312 AMAQI
23rd Jul 2026641 AMAQI
23rd Jul 2026622 AMAQI
23rd Jul 2026623 AMAQI

30°C27/33°C

23rd Jul 2026604 AMAQI
23rd Jul 2026595 AMAQI
23rd Jul 2026636 AMAQI
23rd Jul 2026647 AMAQI
23rd Jul 2026668 AMAQI
23rd Jul 2026629 AMAQI
23rd Jul 20266510 AMAQI
23rd Jul 20266411 AMAQI
23rd Jul 20266912 PMAQI
23rd Jul 2026721 PMAQI
23rd Jul 2026762 PMAQI
23rd Jul 2026803 PMAQI
23rd Jul 2026724 PMAQI
23rd Jul 2026695 PMAQI
23rd Jul 2026646 PMAQI
23rd Jul 2026607 PMAQI
23rd Jul 2026528 PMAQI
23rd Jul 2026419 PMAQI
23rd Jul 20264110 PMAQI
23rd Jul 20263011 PMAQI
24th Jul 20262912 AMAQI
24th Jul 2026271 AMAQI
24th Jul 2026262 AMAQI
24th Jul 2026263 AMAQI

31°C28/36°C

24th Jul 2026264 AMAQI
24th Jul 2026265 AMAQI
24th Jul 2026246 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026278 AMAQI
24th Jul 2026309 AMAQI
24th Jul 20263710 AMAQI
24th Jul 20264911 AMAQI
24th Jul 20264912 PMAQI
24th Jul 2026521 PMAQI
24th Jul 2026522 PMAQI
24th Jul 2026583 PMAQI
24th Jul 2026684 PMAQI
24th Jul 2026615 PMAQI
24th Jul 2026526 PMAQI
24th Jul 2026507 PMAQI
24th Jul 2026398 PMAQI
24th Jul 2026409 PMAQI
24th Jul 20263810 PMAQI
24th Jul 20263711 PMAQI
25th Jul 20264412 AMAQI
25th Jul 2026471 AMAQI
25th Jul 2026432 AMAQI
25th Jul 2026403 AMAQI

29°C26/32°C

25th Jul 2026304 AMAQI
25th Jul 2026275 AMAQI
25th Jul 2026236 AMAQI
25th Jul 2026227 AMAQI
25th Jul 2026248 AMAQI
25th Jul 2026289 AMAQI
25th Jul 20263210 AMAQI
25th Jul 20263711 AMAQI
25th Jul 20264412 PMAQI
25th Jul 2026481 PMAQI
25th Jul 2026442 PMAQI
25th Jul 2026463 PMAQI
25th Jul 2026524 PMAQI
25th Jul 2026475 PMAQI
25th Jul 2026266 PMAQI
25th Jul 2026237 PMAQI
25th Jul 2026228 PMAQI
25th Jul 2026229 PMAQI
25th Jul 20262210 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20262112 AMAQI
26th Jul 2026241 AMAQI
26th Jul 2026222 AMAQI
26th Jul 2026233 AMAQI

28°C24/33°C

26th Jul 2026254 AMAQI
26th Jul 2026235 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026207 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026189 AMAQI
26th Jul 20262210 AMAQI
26th Jul 20262111 AMAQI
26th Jul 20262612 PMAQI
26th Jul 2026401 PMAQI
26th Jul 2026452 PMAQI
26th Jul 2026543 PMAQI
26th Jul 2026344 PMAQI
26th Jul 2026235 PMAQI
26th Jul 2026276 PMAQI
26th Jul 2026327 PMAQI
26th Jul 2026308 PMAQI
26th Jul 2026299 PMAQI
26th Jul 20262210 PMAQI
26th Jul 20262411 PMAQI
27th Jul 20262412 AMAQI
27th Jul 2026291 AMAQI
27th Jul 2026242 AMAQI
27th Jul 2026253 AMAQI

27°C25/30°C

27th Jul 2026214 AMAQI
27th Jul 2026235 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026247 AMAQI
27th Jul 2026248 AMAQI
27th Jul 2026239 AMAQI
27th Jul 20262310 AMAQI
27th Jul 20262811 AMAQI
27th Jul 20262412 PMAQI
27th Jul 2026241 PMAQI
27th Jul 2026242 PMAQI
27th Jul 2026243 PMAQI
27th Jul 2026274 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026237 PMAQI
27th Jul 2026228 PMAQI
27th Jul 2026239 PMAQI
27th Jul 20262710 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026261 AMAQI
28th Jul 2026262 AMAQI
28th Jul 2026273 AMAQI

26°C24/29°C

28th Jul 2026254 AMAQI
28th Jul 2026255 AMAQI
28th Jul 2026266 AMAQI
28th Jul 2026237 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262410 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20263312 PMAQI
28th Jul 2026391 PMAQI
28th Jul 2026442 PMAQI
28th Jul 2026403 PMAQI
28th Jul 2026364 PMAQI
28th Jul 2026275 PMAQI
28th Jul 2026286 PMAQI
28th Jul 2026287 PMAQI
28th Jul 2026268 PMAQI
28th Jul 2026259 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20263711 PMAQI
29th Jul 20265312 AMAQI
29th Jul 2026531 AMAQI
29th Jul 2026552 AMAQI
29th Jul 2026353 AMAQI

26°C23/29°C

29th Jul 2026554 AMAQI
29th Jul 2026535 AMAQI
29th Jul 2026536 AMAQI
29th Jul 2026487 AMAQI
29th Jul 2026368 AMAQI
29th Jul 2026409 AMAQI
29th Jul 20263510 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262412 PMAQI
29th Jul 2026221 PMAQI
29th Jul 2026222 PMAQI
29th Jul 2026223 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026206 PMAQI
29th Jul 2026207 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262210 PMAQI
29th Jul 20262611 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026222 AMAQI
30th Jul 2026213 AMAQI

29°C25/33°C

30th Jul 2026214 AMAQI
30th Jul 2026215 AMAQI
30th Jul 2026226 AMAQI
30th Jul 2026227 AMAQI
30th Jul 2026228 AMAQI
30th Jul 2026229 AMAQI
30th Jul 20262210 AMAQI
30th Jul 20262611 AMAQI
30th Jul 20263212 PMAQI
30th Jul 2026381 PMAQI
30th Jul 2026462 PMAQI
30th Jul 2026523 PMAQI
30th Jul 2026574 PMAQI
30th Jul 2026615 PMAQI
30th Jul 2026586 PMAQI
30th Jul 2026617 PMAQI
30th Jul 2026578 PMAQI
30th Jul 2026539 PMAQI
30th Jul 20264710 PMAQI
30th Jul 20265011 PMAQI
31st Jul 20265512 AMAQI
31st Jul 2026531 AMAQI
31st Jul 2026392 AMAQI
31st Jul 2026363 AMAQI

30°C27/34°C

31st Jul 2026374 AMAQI
4 AM
31st Jul 2026385 AMAQI
31st Jul 2026406 AMAQI
31st Jul 2026457 AMAQI
31st Jul 2026418 AMAQI
31st Jul 2026409 AMAQI
31st Jul 20264410 AMAQI
31st Jul 20264911 AMAQI
11 AM
31st Jul 20265312 PMAQI
31st Jul 2026501 PMAQI
31st Jul 2026482 PMAQI
31st Jul 2026463 PMAQI
31st Jul 2026464 PMAQI
31st Jul 2026495 PMAQI
31st Jul 2026526 PMAQI
6 PM
31st Jul 2026597 PMAQI
31st Jul 2026648 PMAQI
31st Jul 2026549 PMAQI
31st Jul 20265010 PMAQI
31st Jul 20264911 PMAQI
11 PM
3 AM

30°C28/34°C

Day time
Avg. Highest Time
2 PM - 6 PM

37AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
5 AM - 9 AM

32AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 6 PM (Avg. 37), while the lowest AQI was between 5 AM to 9 AM (Avg. 32).
Night time
Avg. Highest Time
7 PM

38AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM

31AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 38), while the lowest AQI was between 3 AM to 3 AM (Avg. 31).

2026 Days Vs Air Quality

Ichikawa, Chiba, Japan

2026

87%

184

13%

27

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

Good
184 Days
Moderate
27 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 87%

Health Risk Level:

Low

In 2026, 87% 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

Ichikawa, 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
15AQI (US)
2nd January 2026
18AQI (US)
3rd January 2026
14AQI (US)
4th January 2026
22AQI (US)
5th January 2026
45AQI (US)
6th January 2026
20AQI (US)
7th January 2026
29AQI (US)
8th January 2026
40AQI (US)
9th January 2026
14AQI (US)
10th January 2026
36AQI (US)
11th January 2026
30AQI (US)
12th January 2026
17AQI (US)
13th January 2026
36AQI (US)
14th January 2026
16AQI (US)
15th January 2026
26AQI (US)
16th January 2026
47AQI (US)
17th January 2026
52AQI (US)
18th January 2026
23AQI (US)
19th January 2026
43AQI (US)
20th January 2026
42AQI (US)
21st January 2026
11AQI (US)
22nd January 2026
21AQI (US)
23rd January 2026
38AQI (US)
24th January 2026
40AQI (US)
25th January 2026
43AQI (US)
26th January 2026
23AQI (US)
27th January 2026
41AQI (US)
28th January 2026
25AQI (US)
29th January 2026
18AQI (US)
30th January 2026
27AQI (US)
31st January 2026
37AQI (US)
1st February 2026
38AQI (US)
2nd February 2026
47AQI (US)
3rd February 2026
26AQI (US)
4th February 2026
40AQI (US)
5th February 2026
63AQI (US)
6th February 2026
63AQI (US)
7th February 2026
12AQI (US)
8th February 2026
11AQI (US)
9th February 2026
33AQI (US)
10th February 2026
39AQI (US)
11th February 2026
52AQI (US)
12th February 2026
28AQI (US)
13th February 2026
46AQI (US)
14th February 2026
61AQI (US)
15th February 2026
61AQI (US)
16th February 2026
47AQI (US)
17th February 2026
15AQI (US)
18th February 2026
38AQI (US)
19th February 2026
17AQI (US)
20th February 2026
24AQI (US)
21st February 2026
46AQI (US)
22nd February 2026
49AQI (US)
23rd February 2026
35AQI (US)
24th February 2026
42AQI (US)
25th February 2026
34AQI (US)
26th February 2026
22AQI (US)
27th February 2026
36AQI (US)
28th February 2026
30AQI (US)
1st March 2026
24AQI (US)
2nd March 2026
60AQI (US)
3rd March 2026
42AQI (US)
4th March 2026
44AQI (US)
5th March 2026
28AQI (US)
6th March 2026
36AQI (US)
7th March 2026
42AQI (US)
8th March 2026
33AQI (US)
9th March 2026
42AQI (US)
10th March 2026
56AQI (US)
11th March 2026
55AQI (US)
12th March 2026
63AQI (US)
13th March 2026
37AQI (US)
14th March 2026
45AQI (US)
15th March 2026
56AQI (US)
16th March 2026
48AQI (US)
17th March 2026
46AQI (US)
18th March 2026
49AQI (US)
19th March 2026
37AQI (US)
20th March 2026
30AQI (US)
21st March 2026
50AQI (US)
22nd March 2026
47AQI (US)
23rd March 2026
46AQI (US)
24th March 2026
46AQI (US)
25th March 2026
61AQI (US)
26th March 2026
28AQI (US)
27th March 2026
28AQI (US)
28th March 2026
50AQI (US)
29th March 2026
52AQI (US)
30th March 2026
55AQI (US)
31st March 2026
27AQI (US)
1st April 2026
24AQI (US)
2nd April 2026
32AQI (US)
3rd April 2026
45AQI (US)
4th April 2026
46AQI (US)
5th April 2026
37AQI (US)
6th April 2026
29AQI (US)
7th April 2026
26AQI (US)
8th April 2026
21AQI (US)
9th April 2026
29AQI (US)
10th April 2026
47AQI (US)
11th April 2026
47AQI (US)
12th April 2026
32AQI (US)
13th April 2026
41AQI (US)
14th April 2026
38AQI (US)
15th April 2026
35AQI (US)
16th April 2026
34AQI (US)
17th April 2026
33AQI (US)
18th April 2026
30AQI (US)
19th April 2026
32AQI (US)
20th April 2026
32AQI (US)
21st April 2026
36AQI (US)
22nd April 2026
45AQI (US)
23rd April 2026
38AQI (US)
24th April 2026
32AQI (US)
25th April 2026
45AQI (US)
26th April 2026
51AQI (US)
27th April 2026
48AQI (US)
28th April 2026
42AQI (US)
29th April 2026
39AQI (US)
30th April 2026
36AQI (US)
1st May 2026
47AQI (US)
2nd May 2026
48AQI (US)
3rd May 2026
48AQI (US)
4th May 2026
33AQI (US)
5th May 2026
21AQI (US)
6th May 2026
29AQI (US)
7th May 2026
29AQI (US)
8th May 2026
25AQI (US)
9th May 2026
25AQI (US)
10th May 2026
29AQI (US)
11th May 2026
28AQI (US)
12th May 2026
32AQI (US)
13th May 2026
38AQI (US)
14th May 2026
33AQI (US)
15th May 2026
34AQI (US)
16th May 2026
86AQI (US)
17th May 2026
69AQI (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
53AQI (US)
24th May 2026
58AQI (US)
25th May 2026
47AQI (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
27AQI (US)
1st June 2026
32AQI (US)
2nd June 2026
22AQI (US)
3rd June 2026
14AQI (US)
4th June 2026
22AQI (US)
5th June 2026
22AQI (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
22AQI (US)
13th June 2026
37AQI (US)
14th June 2026
43AQI (US)
15th June 2026
12AQI (US)
16th June 2026
23AQI (US)
17th June 2026
24AQI (US)
18th June 2026
24AQI (US)
19th June 2026
25AQI (US)
20th June 2026
23AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
20AQI (US)
24th June 2026
22AQI (US)
25th June 2026
26AQI (US)
26th June 2026
29AQI (US)
27th June 2026
24AQI (US)
28th June 2026
26AQI (US)
29th June 2026
24AQI (US)
30th June 2026
24AQI (US)
1st July 2026
36AQI (US)
2nd July 2026
25AQI (US)
3rd July 2026
18AQI (US)
4th July 2026
40AQI (US)
5th July 2026
20AQI (US)
6th July 2026
26AQI (US)
7th July 2026
26AQI (US)
8th July 2026
23AQI (US)
9th July 2026
22AQI (US)
10th July 2026
23AQI (US)
11th July 2026
23AQI (US)
12th July 2026
26AQI (US)
13th July 2026
41AQI (US)
14th July 2026
44AQI (US)
15th July 2026
41AQI (US)
16th July 2026
69AQI (US)
17th July 2026
52AQI (US)
18th July 2026
19AQI (US)
19th July 2026
18AQI (US)
20th July 2026
31AQI (US)
21st July 2026
46AQI (US)
22nd July 2026
67AQI (US)
23rd July 2026
62AQI (US)
24th July 2026
40AQI (US)
25th July 2026
34AQI (US)
26th July 2026
27AQI (US)
27th July 2026
24AQI (US)
28th July 2026
29AQI (US)
29th July 2026
34AQI (US)
30th July 2026
37AQI (US)
31st July 2026
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

29AQI (US)

38AQI (US)

44AQI (US)

37AQI (US)

41AQI (US)

24AQI (US)

34AQI (US)

No. of days

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

202635AQI (US)

30
1
23
5
23
8
29
1
23
8
30
26
4
184
27

Highest AQI (US) recorded in

March

44AQI (US)

Lowest AQI (US) recorded in

June

24AQI (US)

202537AQI (US)

31
28
27
4
30
31
30
24
7
21
10
30
21
10
18
12
17
14
308
57

Highest AQI (US) recorded in

November

47AQI (US)

Lowest AQI (US) recorded in

May

26AQI (US)

202435AQI (US)

28
3
27
2
28
3
25
5
28
3
29
1
21
10
31
28
2
31
29
1
31
336
30

Highest AQI (US) recorded in

July

44AQI (US)

Lowest AQI (US) recorded in

August

28AQI (US)

202336AQI (US)

28
3
26
2
27
4
23
7
30
1
26
4
28
3
31
30
31
25
4
28
3
333
31

Highest AQI (US) recorded in

April

44AQI (US)

Lowest AQI (US) recorded in

August

24AQI (US)

202235AQI (US)

31
21
1
27
4
26
4
27
4
27
3
23
2
2
1
29
31
30
30
1
304
20

Highest AQI (US) recorded in

August

45AQI (US)

Lowest AQI (US) recorded in

September

29AQI (US)

202130AQI (US)

30
1
26
2
29
2
30
27
4
27
3
29
2
29
2
30
30
1
30
30
1
347
18

Highest AQI (US) recorded in

June

37AQI (US)

Lowest AQI (US) recorded in

February

24AQI (US)

202025AQI (US)

13
21
18
29
1
31
29
2
19
30
1
29
1
30
1
249
6

Highest AQI (US) recorded in

August

31AQI (US)

Lowest AQI (US) recorded in

September

20AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
37AQI (US)
Least Polluted Year Recorded
2020(Avg.)
25AQI (US)

Ichikawa's annual 2026 AQI (US) (35) shows an average percentage change of 8.08% (worsened AQI (US)) compared to previous years: 2020 (25), 2021 (30), 2022 (35), 2023 (36), 2024 (35), 2025 (37).