Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Sosa, 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

Sosa, Chiba, Japan

2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Aug 2025
55AQI
Lowest AQI recorded on
25th Aug 2023
11AQI

Same Day Analysis (31st August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 45 of Good air quality on the same day.

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

Sosa, Chiba, Japan

AQI
Day
Night
.

4 AM30th Jul 2026

6 PM

3 AM31st Jul 2026

Day time
Avg. Highest Time
2PM30th Jul

55AQI

Avg. Lowest Time
7AM30th Jul

19AQI

Night time
Avg. Highest Time
7PM30th Jul

50AQI

Avg. Lowest Time
2AM31st Jul

33AQI

In the last 24 hours,

Sosa's AQI reached its highest point of 55 at 2 PM during the Day, while the lowest point, 19, was recorded at 7 AM during the Day between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Sosa, 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 2026344 AMAQI
2nd Jul 2026275 AMAQI
2nd Jul 2026216 AMAQI
2nd Jul 2026177 AMAQI
2nd Jul 2026278 AMAQI
2nd Jul 2026259 AMAQI
2nd Jul 20261410 AMAQI
2nd Jul 20261211 AMAQI
2nd Jul 20261712 PMAQI
2nd Jul 2026191 PMAQI
2nd Jul 2026252 PMAQI
2nd Jul 2026173 PMAQI
2nd Jul 2026234 PMAQI
2nd Jul 2026295 PMAQI
2nd Jul 2026276 PMAQI
2nd Jul 2026177 PMAQI
2nd Jul 2026178 PMAQI
2nd Jul 2026149 PMAQI
2nd Jul 20261410 PMAQI
2nd Jul 20261211 PMAQI
3rd Jul 20261212 AMAQI
3rd Jul 2026171 AMAQI
3rd Jul 2026142 AMAQI
3rd Jul 2026123 AMAQI

21°C20/23°C

3rd Jul 2026144 AMAQI
3rd Jul 2026145 AMAQI
3rd Jul 2026216 AMAQI
3rd Jul 2026147 AMAQI
3rd Jul 2026178 AMAQI
3rd Jul 2026149 AMAQI
3rd Jul 20262310 AMAQI
3rd Jul 20262011 AMAQI
3rd Jul 20262112 PMAQI
3rd Jul 2026241 PMAQI
3rd Jul 2026272 PMAQI
3rd Jul 2026243 PMAQI
3rd Jul 2026264 PMAQI
3rd Jul 2026275 PMAQI
3rd Jul 2026266 PMAQI
3rd Jul 2026587 PMAQI
3rd Jul 2026498 PMAQI
3rd Jul 2026429 PMAQI
3rd Jul 20263610 PMAQI
3rd Jul 20263111 PMAQI
4th Jul 20263312 AMAQI
4th Jul 2026251 AMAQI
4th Jul 2026212 AMAQI
4th Jul 2026273 AMAQI

22°C19/25°C

4th Jul 2026254 AMAQI
4th Jul 2026275 AMAQI
4th Jul 2026366 AMAQI
4th Jul 2026297 AMAQI
4th Jul 2026298 AMAQI
4th Jul 2026179 AMAQI
4th Jul 20261910 AMAQI
4th Jul 20262711 AMAQI
4th Jul 20261412 PMAQI
4th Jul 2026211 PMAQI
4th Jul 2026272 PMAQI
4th Jul 2026123 PMAQI
4th Jul 2026174 PMAQI
4th Jul 2026255 PMAQI
4th Jul 2026256 PMAQI
4th Jul 2026507 PMAQI
4th Jul 2026228 PMAQI
4th Jul 2026259 PMAQI
4th Jul 20262310 PMAQI
4th Jul 20262211 PMAQI
5th Jul 20262412 AMAQI
5th Jul 2026231 AMAQI
5th Jul 2026272 AMAQI
5th Jul 2026213 AMAQI

23°C20/26°C

5th Jul 2026424 AMAQI
5th Jul 2026335 AMAQI
5th Jul 2026206 AMAQI
5th Jul 2026217 AMAQI
5th Jul 2026208 AMAQI
5th Jul 2026209 AMAQI
5th Jul 20262010 AMAQI
5th Jul 20261911 AMAQI
5th Jul 20262012 PMAQI
5th Jul 2026201 PMAQI
5th Jul 2026222 PMAQI
5th Jul 2026233 PMAQI
5th Jul 2026244 PMAQI
5th Jul 2026225 PMAQI
5th Jul 2026226 PMAQI
5th Jul 2026247 PMAQI
5th Jul 2026228 PMAQI
5th Jul 2026249 PMAQI
5th Jul 20262210 PMAQI
5th Jul 20262811 PMAQI
6th Jul 20262412 AMAQI
6th Jul 2026261 AMAQI
6th Jul 2026252 AMAQI
6th Jul 2026263 AMAQI

23°C21/25°C

6th Jul 2026224 AMAQI
6th Jul 2026235 AMAQI
6th Jul 2026226 AMAQI
6th Jul 2026247 AMAQI
6th Jul 2026268 AMAQI
6th Jul 2026209 AMAQI
6th Jul 20263010 AMAQI
6th Jul 20263611 AMAQI
6th Jul 20262012 PMAQI
6th Jul 2026191 PMAQI
6th Jul 2026202 PMAQI
6th Jul 2026223 PMAQI
6th Jul 2026234 PMAQI
6th Jul 2026205 PMAQI
6th Jul 2026206 PMAQI
6th Jul 2026207 PMAQI
6th Jul 2026258 PMAQI
6th Jul 2026249 PMAQI
6th Jul 20262810 PMAQI
6th Jul 20262611 PMAQI
7th Jul 20262712 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026282 AMAQI
7th Jul 2026263 AMAQI

22°C21/24°C

7th Jul 2026284 AMAQI
7th Jul 2026295 AMAQI
7th Jul 2026286 AMAQI
7th Jul 2026247 AMAQI
7th Jul 2026248 AMAQI
7th Jul 2026219 AMAQI
7th Jul 20262210 AMAQI
7th Jul 20262211 AMAQI
7th Jul 20262012 PMAQI
7th Jul 2026201 PMAQI
7th Jul 2026202 PMAQI
7th Jul 2026263 PMAQI
7th Jul 2026244 PMAQI
7th Jul 2026255 PMAQI
7th Jul 2026256 PMAQI
7th Jul 2026257 PMAQI
7th Jul 2026248 PMAQI
7th Jul 2026259 PMAQI
7th Jul 20262310 PMAQI
7th Jul 20262211 PMAQI
8th Jul 20261912 AMAQI
8th Jul 202681 AMAQI
8th Jul 2026282 AMAQI
8th Jul 202683 AMAQI

23°C20/28°C

8th Jul 2026144 AMAQI
8th Jul 202685 AMAQI
8th Jul 2026246 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026268 AMAQI
8th Jul 202689 AMAQI
8th Jul 20262310 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262012 PMAQI
8th Jul 2026221 PMAQI
8th Jul 2026222 PMAQI
8th Jul 2026243 PMAQI
8th Jul 2026184 PMAQI
8th Jul 2026215 PMAQI
8th Jul 2026146 PMAQI
8th Jul 2026137 PMAQI
8th Jul 2026188 PMAQI
8th Jul 2026209 PMAQI
8th Jul 20262410 PMAQI
8th Jul 20265311 PMAQI
9th Jul 20262912 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026242 AMAQI
9th Jul 2026183 AMAQI

24°C20/29°C

9th Jul 2026544 AMAQI
9th Jul 2026445 AMAQI
9th Jul 2026256 AMAQI
9th Jul 2026337 AMAQI
9th Jul 2026128 AMAQI
9th Jul 2026129 AMAQI
9th Jul 20261210 AMAQI
9th Jul 20261411 AMAQI
9th Jul 20261212 PMAQI
9th Jul 2026121 PMAQI
9th Jul 2026122 PMAQI
9th Jul 2026173 PMAQI
9th Jul 202684 PMAQI
9th Jul 2026125 PMAQI
9th Jul 202686 PMAQI
9th Jul 202687 PMAQI
9th Jul 2026178 PMAQI
9th Jul 2026199 PMAQI
9th Jul 20262510 PMAQI
9th Jul 20261711 PMAQI
10th Jul 20261412 AMAQI
10th Jul 202681 AMAQI
10th Jul 202682 AMAQI
10th Jul 202683 AMAQI

26°C21/30°C

10th Jul 202684 AMAQI
10th Jul 202685 AMAQI
10th Jul 202686 AMAQI
10th Jul 2026177 AMAQI
10th Jul 2026128 AMAQI
10th Jul 202689 AMAQI
10th Jul 20261210 AMAQI
10th Jul 20261211 AMAQI
10th Jul 20261212 PMAQI
10th Jul 2026121 PMAQI
10th Jul 202682 PMAQI
10th Jul 202683 PMAQI
10th Jul 202684 PMAQI
10th Jul 202685 PMAQI
10th Jul 202686 PMAQI
10th Jul 202687 PMAQI
10th Jul 2026178 PMAQI
10th Jul 2026219 PMAQI
10th Jul 20261910 PMAQI
10th Jul 20261211 PMAQI
11th Jul 20261712 AMAQI
11th Jul 202681 AMAQI
11th Jul 202682 AMAQI
11th Jul 202683 AMAQI

26°C22/31°C

11th Jul 2026134 AMAQI
11th Jul 2026125 AMAQI
11th Jul 2026116 AMAQI
11th Jul 2026207 AMAQI
11th Jul 2026338 AMAQI
11th Jul 2026289 AMAQI
11th Jul 20263110 AMAQI
11th Jul 20262611 AMAQI
11th Jul 20262412 PMAQI
11th Jul 2026221 PMAQI
11th Jul 2026222 PMAQI
11th Jul 2026243 PMAQI
11th Jul 2026224 PMAQI
11th Jul 2026185 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026207 PMAQI
11th Jul 2026258 PMAQI
11th Jul 2026189 PMAQI
11th Jul 20262810 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026303 AMAQI

27°C23/32°C

12th Jul 2026264 AMAQI
12th Jul 2026305 AMAQI
12th Jul 2026276 AMAQI
12th Jul 2026267 AMAQI
12th Jul 2026268 AMAQI
12th Jul 2026279 AMAQI
12th Jul 20263110 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026242 PMAQI
12th Jul 2026243 PMAQI
12th Jul 2026264 PMAQI
12th Jul 2026285 PMAQI
12th Jul 2026316 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026808 PMAQI
12th Jul 2026679 PMAQI
12th Jul 20267010 PMAQI
12th Jul 20265911 PMAQI
13th Jul 20262912 AMAQI
13th Jul 2026311 AMAQI
13th Jul 2026462 AMAQI
13th Jul 2026573 AMAQI

25°C24/28°C

13th Jul 2026504 AMAQI
13th Jul 2026465 AMAQI
13th Jul 2026466 AMAQI
13th Jul 2026627 AMAQI
13th Jul 2026528 AMAQI
13th Jul 2026629 AMAQI
13th Jul 20266210 AMAQI
13th Jul 20265311 AMAQI
13th Jul 20264012 PMAQI
13th Jul 2026271 PMAQI
13th Jul 2026242 PMAQI
13th Jul 2026523 PMAQI
13th Jul 2026684 PMAQI
13th Jul 2026605 PMAQI
13th Jul 2026526 PMAQI
13th Jul 2026567 PMAQI
13th Jul 2026708 PMAQI
13th Jul 2026569 PMAQI
13th Jul 20265110 PMAQI
13th Jul 20265511 PMAQI
14th Jul 20265412 AMAQI
14th Jul 2026481 AMAQI
14th Jul 2026512 AMAQI
14th Jul 2026483 AMAQI

26°C24/32°C

14th Jul 2026704 AMAQI
14th Jul 2026545 AMAQI
14th Jul 2026576 AMAQI
14th Jul 2026757 AMAQI
14th Jul 2026678 AMAQI
14th Jul 2026519 AMAQI
14th Jul 20263310 AMAQI
14th Jul 20262511 AMAQI
14th Jul 20262312 PMAQI
14th Jul 2026201 PMAQI
14th Jul 2026222 PMAQI
14th Jul 2026213 PMAQI
14th Jul 2026234 PMAQI
14th Jul 2026285 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026267 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026309 PMAQI
14th Jul 20263210 PMAQI
14th Jul 20263411 PMAQI
15th Jul 20263612 AMAQI
15th Jul 2026291 AMAQI
15th Jul 2026402 AMAQI
15th Jul 2026313 AMAQI

28°C23/33°C

15th Jul 2026464 AMAQI
15th Jul 2026425 AMAQI
15th Jul 2026386 AMAQI
15th Jul 2026607 AMAQI
15th Jul 2026608 AMAQI
15th Jul 2026299 AMAQI
15th Jul 20264410 AMAQI
15th Jul 20264011 AMAQI
15th Jul 20264212 PMAQI
15th Jul 2026491 PMAQI
15th Jul 2026502 PMAQI
15th Jul 2026483 PMAQI
15th Jul 2026494 PMAQI
15th Jul 2026585 PMAQI
15th Jul 2026686 PMAQI
15th Jul 2026247 PMAQI
15th Jul 2026908 PMAQI
15th Jul 2026969 PMAQI
15th Jul 20267210 PMAQI
15th Jul 20266911 PMAQI
16th Jul 20267112 AMAQI
16th Jul 2026711 AMAQI
16th Jul 2026742 AMAQI
16th Jul 2026743 AMAQI

29°C25/34°C

16th Jul 2026794 AMAQI
16th Jul 2026785 AMAQI
16th Jul 2026826 AMAQI
16th Jul 2026887 AMAQI
16th Jul 2026818 AMAQI
16th Jul 2026809 AMAQI
16th Jul 20267210 AMAQI
16th Jul 20267811 AMAQI
16th Jul 20267612 PMAQI
16th Jul 2026721 PMAQI
16th Jul 2026792 PMAQI
16th Jul 2026783 PMAQI
16th Jul 2026764 PMAQI
16th Jul 2026715 PMAQI
16th Jul 2026686 PMAQI
16th Jul 2026707 PMAQI
16th Jul 2026668 PMAQI
16th Jul 2026629 PMAQI
16th Jul 20265610 PMAQI
16th Jul 20265311 PMAQI
17th Jul 20265112 AMAQI
17th Jul 2026511 AMAQI
17th Jul 2026512 AMAQI
17th Jul 2026523 AMAQI

29°C26/32°C

17th Jul 2026484 AMAQI
17th Jul 2026465 AMAQI
17th Jul 2026506 AMAQI
17th Jul 2026507 AMAQI
17th Jul 2026448 AMAQI
17th Jul 2026549 AMAQI
17th Jul 20264810 AMAQI
17th Jul 20265011 AMAQI
17th Jul 20264612 PMAQI
17th Jul 2026441 PMAQI
17th Jul 2026312 PMAQI
17th Jul 2026313 PMAQI
17th Jul 2026294 PMAQI
17th Jul 2026295 PMAQI
17th Jul 2026336 PMAQI
17th Jul 2026297 PMAQI
17th Jul 2026278 PMAQI
17th Jul 2026219 PMAQI
17th Jul 20261910 PMAQI
17th Jul 20261211 PMAQI
18th Jul 20261012 AMAQI
18th Jul 202681 AMAQI
18th Jul 202682 AMAQI
18th Jul 2026123 AMAQI

28°C26/31°C

18th Jul 2026104 AMAQI
18th Jul 202685 AMAQI
18th Jul 202686 AMAQI
18th Jul 202697 AMAQI
18th Jul 202688 AMAQI
18th Jul 2026109 AMAQI
18th Jul 2026810 AMAQI
18th Jul 2026811 AMAQI
18th Jul 2026812 PMAQI
18th Jul 202681 PMAQI
18th Jul 202682 PMAQI
18th Jul 202663 PMAQI
18th Jul 202664 PMAQI
18th Jul 202685 PMAQI
18th Jul 202686 PMAQI
18th Jul 202687 PMAQI
18th Jul 2026238 PMAQI
18th Jul 2026219 PMAQI
18th Jul 20262510 PMAQI
18th Jul 20262511 PMAQI
19th Jul 20262312 AMAQI
19th Jul 2026251 AMAQI
19th Jul 2026272 AMAQI
19th Jul 2026253 AMAQI

27°C24/30°C

19th Jul 2026254 AMAQI
19th Jul 2026235 AMAQI
19th Jul 2026236 AMAQI
19th Jul 2026327 AMAQI
19th Jul 2026348 AMAQI
19th Jul 2026259 AMAQI
19th Jul 20262910 AMAQI
19th Jul 20262111 AMAQI
19th Jul 20262712 PMAQI
19th Jul 2026231 PMAQI
19th Jul 2026232 PMAQI
19th Jul 2026213 PMAQI
19th Jul 2026174 PMAQI
19th Jul 2026195 PMAQI
19th Jul 2026236 PMAQI
19th Jul 2026237 PMAQI
19th Jul 2026238 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20262310 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262112 AMAQI
20th Jul 2026211 AMAQI
20th Jul 2026232 AMAQI
20th Jul 2026253 AMAQI

27°C24/31°C

20th Jul 2026234 AMAQI
20th Jul 2026235 AMAQI
20th Jul 2026276 AMAQI
20th Jul 2026297 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026329 AMAQI
20th Jul 20264010 AMAQI
20th Jul 20263311 AMAQI
20th Jul 20263312 PMAQI
20th Jul 2026421 PMAQI
20th Jul 2026332 PMAQI
20th Jul 2026253 PMAQI
20th Jul 2026324 PMAQI
20th Jul 2026255 PMAQI
20th Jul 2026216 PMAQI
20th Jul 2026217 PMAQI
20th Jul 2026278 PMAQI
20th Jul 2026469 PMAQI
20th Jul 20263810 PMAQI
20th Jul 20263411 PMAQI
21st Jul 20264912 AMAQI
21st Jul 2026441 AMAQI
21st Jul 2026402 AMAQI
21st Jul 2026383 AMAQI

30°C25/36°C

21st Jul 2026364 AMAQI
21st Jul 2026365 AMAQI
21st Jul 2026386 AMAQI
21st Jul 2026407 AMAQI
21st Jul 2026468 AMAQI
21st Jul 2026429 AMAQI
21st Jul 20263110 AMAQI
21st Jul 20263811 AMAQI
21st Jul 2026541 PMAQI
21st Jul 2026542 PMAQI
21st Jul 2026513 PMAQI
21st Jul 2026444 PMAQI
21st Jul 2026445 PMAQI
21st Jul 2026446 PMAQI
21st Jul 2026867 PMAQI
21st Jul 2026498 PMAQI
21st Jul 2026529 PMAQI
21st Jul 20265710 PMAQI
21st Jul 20265511 PMAQI
22nd Jul 20265612 AMAQI
22nd Jul 2026551 AMAQI
22nd Jul 2026572 AMAQI
22nd Jul 2026563 AMAQI

31°C27/37°C

22nd Jul 2026544 AMAQI
22nd Jul 2026625 AMAQI
22nd Jul 2026576 AMAQI
22nd Jul 2026627 AMAQI
22nd Jul 2026668 AMAQI
22nd Jul 2026629 AMAQI
22nd Jul 20265310 AMAQI
22nd Jul 20266011 AMAQI
22nd Jul 20266412 PMAQI
22nd Jul 2026711 PMAQI
22nd Jul 2026742 PMAQI
22nd Jul 2026703 PMAQI
22nd Jul 2026664 PMAQI
22nd Jul 2026645 PMAQI
22nd Jul 2026626 PMAQI
22nd Jul 2026587 PMAQI
22nd Jul 2026628 PMAQI
22nd Jul 2026539 PMAQI
22nd Jul 20265710 PMAQI
22nd Jul 20264911 PMAQI
23rd Jul 20265412 AMAQI
23rd Jul 2026461 AMAQI
23rd Jul 2026482 AMAQI
23rd Jul 2026503 AMAQI

32°C27/38°C

23rd Jul 2026504 AMAQI
23rd Jul 2026655 AMAQI
23rd Jul 2026606 AMAQI
23rd Jul 2026647 AMAQI
23rd Jul 2026658 AMAQI
23rd Jul 2026629 AMAQI
23rd Jul 20266510 AMAQI
23rd Jul 20266411 AMAQI
23rd Jul 20266712 PMAQI
23rd Jul 2026691 PMAQI
23rd Jul 2026642 PMAQI
23rd Jul 2026643 PMAQI
23rd Jul 2026514 PMAQI
23rd Jul 2026365 PMAQI
23rd Jul 2026316 PMAQI
23rd Jul 2026177 PMAQI
23rd Jul 2026258 PMAQI
23rd Jul 2026229 PMAQI
23rd Jul 20262010 PMAQI
23rd Jul 20262911 PMAQI
24th Jul 20262912 AMAQI
24th Jul 2026291 AMAQI
24th Jul 2026402 AMAQI
24th Jul 2026543 AMAQI

30°C27/35°C

24th Jul 2026274 AMAQI
24th Jul 2026275 AMAQI
24th Jul 2026216 AMAQI
24th Jul 2026167 AMAQI
24th Jul 2026178 AMAQI
24th Jul 2026149 AMAQI
24th Jul 20261710 AMAQI
24th Jul 20262011 AMAQI
24th Jul 20261912 PMAQI
24th Jul 2026191 PMAQI
24th Jul 2026292 PMAQI
24th Jul 2026273 PMAQI
24th Jul 2026214 PMAQI
24th Jul 2026195 PMAQI
24th Jul 2026216 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026198 PMAQI
24th Jul 2026299 PMAQI
24th Jul 20261910 PMAQI
24th Jul 20262011 PMAQI
25th Jul 20261912 AMAQI
25th Jul 2026231 AMAQI
25th Jul 2026212 AMAQI
25th Jul 2026193 AMAQI

28°C25/32°C

25th Jul 2026244 AMAQI
25th Jul 2026215 AMAQI
25th Jul 2026176 AMAQI
25th Jul 2026227 AMAQI
25th Jul 2026218 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20263810 AMAQI
25th Jul 20264011 AMAQI
25th Jul 20264012 PMAQI
25th Jul 2026331 PMAQI
25th Jul 2026362 PMAQI
25th Jul 2026333 PMAQI
25th Jul 2026334 PMAQI
25th Jul 2026235 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026367 PMAQI
25th Jul 2026338 PMAQI
25th Jul 2026459 PMAQI
25th Jul 20265010 PMAQI
25th Jul 20262711 PMAQI
26th Jul 20262512 AMAQI
26th Jul 2026231 AMAQI
26th Jul 2026252 AMAQI
26th Jul 2026333 AMAQI

27°C23/32°C

26th Jul 2026294 AMAQI
26th Jul 2026295 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026337 AMAQI
26th Jul 2026368 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20262110 AMAQI
26th Jul 20262111 AMAQI
26th Jul 20262512 PMAQI
26th Jul 2026291 PMAQI
26th Jul 2026382 PMAQI
26th Jul 2026273 PMAQI
26th Jul 2026314 PMAQI
26th Jul 2026335 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026297 PMAQI
26th Jul 2026338 PMAQI
26th Jul 2026279 PMAQI
26th Jul 20263610 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026253 AMAQI

27°C23/32°C

27th Jul 2026294 AMAQI
27th Jul 2026255 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026297 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026339 AMAQI
27th Jul 20263410 AMAQI
27th Jul 20263311 AMAQI
27th Jul 20263312 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026292 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026234 PMAQI
27th Jul 2026315 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026337 PMAQI
27th Jul 2026528 PMAQI
27th Jul 2026449 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20263111 PMAQI
28th Jul 20262912 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026233 AMAQI

25°C22/27°C

28th Jul 2026254 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026237 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026329 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262711 AMAQI
28th Jul 20262912 PMAQI
28th Jul 2026291 PMAQI
28th Jul 2026252 PMAQI
28th Jul 2026213 PMAQI
28th Jul 2026294 PMAQI
28th Jul 2026275 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026277 PMAQI
28th Jul 2026318 PMAQI
28th Jul 2026339 PMAQI
28th Jul 20264210 PMAQI
28th Jul 20264811 PMAQI
29th Jul 20263812 AMAQI
29th Jul 2026381 AMAQI
29th Jul 2026382 AMAQI
29th Jul 2026273 AMAQI

26°C22/29°C

29th Jul 2026364 AMAQI
29th Jul 2026545 AMAQI
29th Jul 2026466 AMAQI
29th Jul 2026597 AMAQI
29th Jul 2026448 AMAQI
29th Jul 2026319 AMAQI
29th Jul 20263310 AMAQI
29th Jul 20265211 AMAQI
29th Jul 20266212 PMAQI
29th Jul 2026311 PMAQI
29th Jul 2026312 PMAQI
29th Jul 2026273 PMAQI
29th Jul 2026274 PMAQI
29th Jul 2026275 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026277 PMAQI
29th Jul 2026298 PMAQI
29th Jul 2026389 PMAQI
29th Jul 20264210 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262712 AMAQI
30th Jul 2026271 AMAQI
30th Jul 2026272 AMAQI
30th Jul 2026193 AMAQI

28°C24/34°C

30th Jul 2026194 AMAQI
30th Jul 2026195 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026197 AMAQI
30th Jul 2026408 AMAQI
30th Jul 2026429 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20263211 AMAQI
30th Jul 20264712 PMAQI
30th Jul 2026501 PMAQI
30th Jul 2026552 PMAQI
30th Jul 2026403 PMAQI
30th Jul 2026444 PMAQI
30th Jul 2026465 PMAQI
30th Jul 2026446 PMAQI
30th Jul 2026507 PMAQI
30th Jul 2026408 PMAQI
30th Jul 2026429 PMAQI
30th Jul 20264610 PMAQI
30th Jul 20264211 PMAQI
31st Jul 20264012 AMAQI
31st Jul 2026361 AMAQI
31st Jul 2026332 AMAQI
31st Jul 2026383 AMAQI

30°C26/36°C

31st Jul 2026274 AMAQI
4 AM
31st Jul 2026275 AMAQI
31st Jul 2026236 AMAQI
31st Jul 2026237 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026269 AMAQI
31st Jul 20263510 AMAQI
31st Jul 20263811 AMAQI
11 AM
31st Jul 20262212 PMAQI
31st Jul 2026381 PMAQI
31st Jul 2026332 PMAQI
31st Jul 2026383 PMAQI
31st Jul 2026334 PMAQI
31st Jul 2026295 PMAQI
31st Jul 2026386 PMAQI
6 PM
31st Jul 2026367 PMAQI
31st Jul 2026558 PMAQI
31st Jul 2026539 PMAQI
31st Jul 20265410 PMAQI
31st Jul 20264211 PMAQI
11 PM
3 AM

28°C26/34°C

Day time
Avg. Highest Time
7 AM - 8 AM

35AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
5 PM - 6 PM

30AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 8 AM (Avg. 35), while the lowest AQI was between 5 PM to 6 PM (Avg. 30).
Night time
Avg. Highest Time
8 PM - 10 PM

36AQI

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

29AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 10 PM (Avg. 36), while the lowest AQI was between 1 AM to 1 AM (Avg. 29).

2026 Days Vs Air Quality

Sosa, Chiba, Japan

2026

90%

191

10%

21

Total number of days with different AQI categories in last 213 days in 2026 (152 days remaining)

Good
191 Days
Moderate
21 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 90%

Health Risk Level:

Very Low

In 2026, 90% of 213 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

Sosa, 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
17AQI (US)
2nd January 2026
12AQI (US)
3rd January 2026
10AQI (US)
4th January 2026
21AQI (US)
5th January 2026
38AQI (US)
6th January 2026
28AQI (US)
7th January 2026
20AQI (US)
8th January 2026
36AQI (US)
9th January 2026
18AQI (US)
10th January 2026
26AQI (US)
11th January 2026
35AQI (US)
12th January 2026
17AQI (US)
13th January 2026
37AQI (US)
14th January 2026
13AQI (US)
15th January 2026
21AQI (US)
16th January 2026
35AQI (US)
17th January 2026
41AQI (US)
18th January 2026
21AQI (US)
19th January 2026
39AQI (US)
20th January 2026
31AQI (US)
21st January 2026
14AQI (US)
22nd January 2026
20AQI (US)
23rd January 2026
14AQI (US)
24th January 2026
36AQI (US)
25th January 2026
21AQI (US)
26th January 2026
15AQI (US)
27th January 2026
33AQI (US)
28th January 2026
29AQI (US)
29th January 2026
18AQI (US)
30th January 2026
36AQI (US)
31st January 2026
35AQI (US)
1st February 2026
40AQI (US)
2nd February 2026
37AQI (US)
3rd February 2026
26AQI (US)
4th February 2026
41AQI (US)
5th February 2026
58AQI (US)
6th February 2026
64AQI (US)
7th February 2026
11AQI (US)
8th February 2026
10AQI (US)
9th February 2026
34AQI (US)
10th February 2026
40AQI (US)
11th February 2026
52AQI (US)
12th February 2026
35AQI (US)
13th February 2026
44AQI (US)
14th February 2026
51AQI (US)
15th February 2026
49AQI (US)
16th February 2026
46AQI (US)
17th February 2026
16AQI (US)
18th February 2026
37AQI (US)
19th February 2026
28AQI (US)
20th February 2026
19AQI (US)
21st February 2026
41AQI (US)
22nd February 2026
39AQI (US)
23rd February 2026
38AQI (US)
24th February 2026
40AQI (US)
25th February 2026
26AQI (US)
26th February 2026
24AQI (US)
27th February 2026
28AQI (US)
28th February 2026
36AQI (US)
1st March 2026
35AQI (US)
2nd March 2026
29AQI (US)
3rd March 2026
20AQI (US)
4th March 2026
48AQI (US)
5th March 2026
51AQI (US)
6th March 2026
47AQI (US)
7th March 2026
42AQI (US)
8th March 2026
33AQI (US)
9th March 2026
42AQI (US)
10th March 2026
55AQI (US)
11th March 2026
54AQI (US)
12th March 2026
63AQI (US)
13th March 2026
35AQI (US)
14th March 2026
44AQI (US)
15th March 2026
55AQI (US)
16th March 2026
48AQI (US)
17th March 2026
44AQI (US)
18th March 2026
48AQI (US)
19th March 2026
37AQI (US)
20th March 2026
31AQI (US)
21st March 2026
39AQI (US)
22nd March 2026
46AQI (US)
23rd March 2026
47AQI (US)
24th March 2026
52AQI (US)
25th March 2026
45AQI (US)
26th March 2026
19AQI (US)
27th March 2026
32AQI (US)
28th March 2026
29AQI (US)
29th March 2026
46AQI (US)
30th March 2026
49AQI (US)
31st March 2026
23AQI (US)
1st April 2026
24AQI (US)
2nd April 2026
28AQI (US)
3rd April 2026
44AQI (US)
4th April 2026
45AQI (US)
5th April 2026
40AQI (US)
6th April 2026
21AQI (US)
7th April 2026
32AQI (US)
8th April 2026
17AQI (US)
9th April 2026
27AQI (US)
10th April 2026
43AQI (US)
11th April 2026
30AQI (US)
12th April 2026
30AQI (US)
13th April 2026
39AQI (US)
14th April 2026
43AQI (US)
15th April 2026
37AQI (US)
16th April 2026
29AQI (US)
17th April 2026
24AQI (US)
18th April 2026
30AQI (US)
19th April 2026
41AQI (US)
20th April 2026
32AQI (US)
21st April 2026
26AQI (US)
22nd April 2026
38AQI (US)
23rd April 2026
43AQI (US)
24th April 2026
29AQI (US)
25th April 2026
28AQI (US)
26th April 2026
52AQI (US)
27th April 2026
24AQI (US)
28th April 2026
24AQI (US)
29th April 2026
33AQI (US)
30th April 2026
34AQI (US)
1st May 2026
45AQI (US)
2nd May 2026
25AQI (US)
3rd May 2026
45AQI (US)
4th May 2026
35AQI (US)
5th May 2026
22AQI (US)
6th May 2026
32AQI (US)
7th May 2026
27AQI (US)
8th May 2026
23AQI (US)
9th May 2026
27AQI (US)
10th May 2026
20AQI (US)
11th May 2026
18AQI (US)
12th May 2026
30AQI (US)
13th May 2026
35AQI (US)
14th May 2026
39AQI (US)
15th May 2026
33AQI (US)
16th May 2026
85AQI (US)
17th May 2026
68AQI (US)
18th May 2026
52AQI (US)
19th May 2026
48AQI (US)
20th May 2026
61AQI (US)
21st May 2026
58AQI (US)
22nd May 2026
60AQI (US)
23rd May 2026
51AQI (US)
24th May 2026
57AQI (US)
25th May 2026
46AQI (US)
26th May 2026
38AQI (US)
27th May 2026
16AQI (US)
28th May 2026
23AQI (US)
29th May 2026
32AQI (US)
30th May 2026
28AQI (US)
31st May 2026
25AQI (US)
1st June 2026
36AQI (US)
2nd June 2026
25AQI (US)
3rd June 2026
20AQI (US)
4th June 2026
30AQI (US)
5th June 2026
49AQI (US)
6th June 2026
25AQI (US)
7th June 2026
32AQI (US)
8th June 2026
24AQI (US)
9th June 2026
17AQI (US)
10th June 2026
14AQI (US)
11th June 2026
22AQI (US)
12th June 2026
22AQI (US)
13th June 2026
30AQI (US)
14th June 2026
39AQI (US)
15th June 2026
13AQI (US)
16th June 2026
23AQI (US)
17th June 2026
26AQI (US)
18th June 2026
24AQI (US)
19th June 2026
26AQI (US)
20th June 2026
21AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
20AQI (US)
24th June 2026
34AQI (US)
25th June 2026
28AQI (US)
26th June 2026
25AQI (US)
27th June 2026
24AQI (US)
28th June 2026
26AQI (US)
29th June 2026
24AQI (US)
30th June 2026
21AQI (US)
1st July 2026
32AQI (US)
2nd July 2026
22AQI (US)
3rd July 2026
24AQI (US)
4th July 2026
25AQI (US)
5th July 2026
23AQI (US)
6th July 2026
24AQI (US)
7th July 2026
24AQI (US)
8th July 2026
20AQI (US)
9th July 2026
20AQI (US)
10th July 2026
11AQI (US)
11th July 2026
21AQI (US)
12th July 2026
34AQI (US)
13th July 2026
50AQI (US)
14th July 2026
40AQI (US)
15th July 2026
50AQI (US)
16th July 2026
73AQI (US)
17th July 2026
39AQI (US)
18th July 2026
11AQI (US)
19th July 2026
24AQI (US)
20th July 2026
29AQI (US)
21st July 2026
46AQI (US)
22nd July 2026
60AQI (US)
23rd July 2026
50AQI (US)
24th July 2026
24AQI (US)
25th July 2026
30AQI (US)
26th July 2026
29AQI (US)
27th July 2026
29AQI (US)
28th July 2026
28AQI (US)
29th July 2026
37AQI (US)
30th July 2026
36AQI (US)
31st July 2026
35AQI (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

25AQI (US)

36AQI (US)

42AQI (US)

33AQI (US)

39AQI (US)

25AQI (US)

32AQI (US)

No. of days

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

202633AQI (US)

31
24
4
25
6
29
1
23
8
30
29
2
191
21

Highest AQI (US) recorded in

March

42AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202538AQI (US)

30
1
27
1
26
5
29
1
30
1
29
1
24
7
28
3
30
20
11
24
6
24
7
321
44

Highest AQI (US) recorded in

August

43AQI (US)

Lowest AQI (US) recorded in

September

31AQI (US)

202436AQI (US)

26
4
26
3
25
6
24
6
28
3
28
2
23
8
31
30
31
29
1
31
332
33

Highest AQI (US) recorded in

July

46AQI (US)

Lowest AQI (US) recorded in

August

24AQI (US)

202336AQI (US)

7
1
27
4
25
5
29
2
27
3
28
3
29
2
29
1
31
24
5
22
9
278
35

Highest AQI (US) recorded in

April

44AQI (US)

Lowest AQI (US) recorded in

August

26AQI (US)

202238AQI (US)

2
19
2
23
8
23
7
28
3
24
6
21
1
1
28
30
1
25
5
8
1
232
34

Highest AQI (US) recorded in

March

45AQI (US)

Lowest AQI (US) recorded in

August

23AQI (US)

202135AQI (US)

21
8
20
6
27
4
28
2
26
5
27
3
28
3
26
5
29
1
30
1
25
5
22
9
309
52

Highest AQI (US) recorded in

December

43AQI (US)

Lowest AQI (US) recorded in

August

29AQI (US)

202037AQI (US)

11
2
20
1
18
23
7
30
1
19
12
19
27
4
23
7
23
8
213
42

Highest AQI (US) recorded in

August

43AQI (US)

Lowest AQI (US) recorded in

May

28AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
38AQI (US)
Least Polluted Year Recorded
2026(Avg.)
33AQI (US)

Sosa's annual 2026 AQI (US) (33) shows an average percentage change of -9.9% (improved AQI (US)) compared to previous years: 2020 (37), 2021 (35), 2022 (38), 2023 (36), 2024 (36), 2025 (38).