Ozone, Kisarazu, 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
Ozone, Kisarazu, Chiba, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
64AQILowest AQI recorded on
30th Aug 2024
9AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 34 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Ozone, Kisarazu, Chiba, Japan
AQI
Day
Night
.
4 AM2nd Aug 2025
6 PM
3 AM3rd Aug 2025
Day time
Avg. Highest Time
2PM2nd Aug
54AQI
Avg. Lowest Time
10AM2nd Aug
34AQI
Night time
Avg. Highest Time
7PM2nd Aug
52AQI
Avg. Lowest Time
12AM3rd Aug
34AQI
In the last 24 hours,
Ozone's AQI reached its highest point of 54 at 2 PM during the Day, while the lowest point, 34, was recorded at 12 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ozone, Kisarazu, Chiba, Japan
JulAug
04th - 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 - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025414 AMAQI
4th Jul 2025415 AMAQI
4th Jul 2025426 AMAQI
4th Jul 2025417 AMAQI
4th Jul 2025418 AMAQI
4th Jul 2025349 AMAQI
4th Jul 20254010 AMAQI
4th Jul 20254511 AMAQI
4th Jul 20255112 PMAQI
4th Jul 2025481 PMAQI
4th Jul 2025452 PMAQI
4th Jul 2025393 PMAQI
4th Jul 2025384 PMAQI
4th Jul 2025405 PMAQI
4th Jul 2025496 PMAQI
4th Jul 2025327 PMAQI
4th Jul 2025348 PMAQI
4th Jul 2025379 PMAQI
4th Jul 20253610 PMAQI
4th Jul 20253511 PMAQI
5th Jul 20253512 AMAQI
5th Jul 2025371 AMAQI
5th Jul 2025362 AMAQI
5th Jul 2025353 AMAQI
26°C23/28°C
5th Jul 2025364 AMAQI
5th Jul 2025385 AMAQI
5th Jul 2025386 AMAQI
5th Jul 2025387 AMAQI
5th Jul 2025388 AMAQI
5th Jul 2025509 AMAQI
5th Jul 20255610 AMAQI
5th Jul 20256111 AMAQI
5th Jul 20255912 PMAQI
5th Jul 2025551 PMAQI
5th Jul 2025532 PMAQI
5th Jul 2025553 PMAQI
5th Jul 2025564 PMAQI
5th Jul 2025605 PMAQI
5th Jul 2025606 PMAQI
5th Jul 2025607 PMAQI
5th Jul 2025548 PMAQI
5th Jul 2025439 PMAQI
5th Jul 20254310 PMAQI
5th Jul 20254311 PMAQI
6th Jul 20254212 AMAQI
6th Jul 2025361 AMAQI
6th Jul 2025362 AMAQI
6th Jul 2025363 AMAQI
26°C24/28°C
6th Jul 2025364 AMAQI
6th Jul 2025385 AMAQI
6th Jul 2025386 AMAQI
6th Jul 2025387 AMAQI
6th Jul 2025378 AMAQI
6th Jul 2025629 AMAQI
6th Jul 20258610 AMAQI
6th Jul 20259511 AMAQI
6th Jul 20259012 PMAQI
6th Jul 2025831 PMAQI
6th Jul 2025822 PMAQI
6th Jul 2025813 PMAQI
6th Jul 2025874 PMAQI
6th Jul 2025865 PMAQI
6th Jul 2025906 PMAQI
6th Jul 2025907 PMAQI
6th Jul 2025818 PMAQI
6th Jul 2025579 PMAQI
6th Jul 20255810 PMAQI
6th Jul 20255711 PMAQI
7th Jul 20255612 AMAQI
7th Jul 2025491 AMAQI
7th Jul 2025402 AMAQI
7th Jul 2025393 AMAQI
27°C25/30°C
7th Jul 2025404 AMAQI
7th Jul 2025455 AMAQI
7th Jul 2025466 AMAQI
7th Jul 2025457 AMAQI
7th Jul 2025468 AMAQI
7th Jul 2025849 AMAQI
7th Jul 202510510 AMAQI
7th Jul 202511111 AMAQI
7th Jul 202511012 PMAQI
7th Jul 2025931 PMAQI
7th Jul 2025902 PMAQI
7th Jul 2025853 PMAQI
7th Jul 2025854 PMAQI
7th Jul 2025905 PMAQI
7th Jul 2025946 PMAQI
7th Jul 2025927 PMAQI
7th Jul 2025878 PMAQI
7th Jul 2025689 PMAQI
7th Jul 20256710 PMAQI
7th Jul 20256711 PMAQI
8th Jul 20256612 AMAQI
8th Jul 2025601 AMAQI
8th Jul 2025542 AMAQI
8th Jul 2025543 AMAQI
27°C25/30°C
8th Jul 2025564 AMAQI
8th Jul 2025595 AMAQI
8th Jul 2025606 AMAQI
8th Jul 2025607 AMAQI
8th Jul 2025598 AMAQI
8th Jul 2025939 AMAQI
8th Jul 202511010 AMAQI
8th Jul 202510111 AMAQI
8th Jul 20259712 PMAQI
8th Jul 2025871 PMAQI
8th Jul 2025832 PMAQI
8th Jul 2025833 PMAQI
8th Jul 2025834 PMAQI
8th Jul 2025775 PMAQI
8th Jul 2025766 PMAQI
8th Jul 2025807 PMAQI
8th Jul 2025788 PMAQI
8th Jul 2025729 PMAQI
8th Jul 20257310 PMAQI
8th Jul 20257311 PMAQI
9th Jul 20257312 AMAQI
9th Jul 2025671 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025623 AMAQI
27°C25/29°C
9th Jul 2025644 AMAQI
9th Jul 2025695 AMAQI
9th Jul 2025686 AMAQI
9th Jul 2025687 AMAQI
9th Jul 2025688 AMAQI
9th Jul 2025789 AMAQI
9th Jul 20259210 AMAQI
9th Jul 20259611 AMAQI
9th Jul 20259812 PMAQI
9th Jul 2025931 PMAQI
9th Jul 20251022 PMAQI
9th Jul 20251083 PMAQI
9th Jul 2025874 PMAQI
9th Jul 2025655 PMAQI
9th Jul 2025576 PMAQI
9th Jul 2025567 PMAQI
9th Jul 2025578 PMAQI
9th Jul 2025639 PMAQI
9th Jul 20256310 PMAQI
9th Jul 20256311 PMAQI
10th Jul 20256412 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025692 AMAQI
10th Jul 2025693 AMAQI
27°C25/29°C
10th Jul 2025704 AMAQI
10th Jul 2025755 AMAQI
10th Jul 2025746 AMAQI
10th Jul 2025747 AMAQI
10th Jul 2025748 AMAQI
10th Jul 2025509 AMAQI
10th Jul 20253710 AMAQI
10th Jul 20254111 AMAQI
10th Jul 20254412 PMAQI
10th Jul 2025521 PMAQI
10th Jul 2025502 PMAQI
10th Jul 2025483 PMAQI
10th Jul 2025474 PMAQI
10th Jul 2025455 PMAQI
10th Jul 2025486 PMAQI
10th Jul 2025487 PMAQI
10th Jul 2025558 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256210 PMAQI
10th Jul 20256111 PMAQI
11th Jul 20256112 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025682 AMAQI
11th Jul 2025683 AMAQI
27°C23/29°C
11th Jul 2025684 AMAQI
11th Jul 2025645 AMAQI
11th Jul 2025646 AMAQI
11th Jul 2025647 AMAQI
11th Jul 2025648 AMAQI
11th Jul 2025289 AMAQI
11th Jul 20251810 AMAQI
11th Jul 20251911 AMAQI
11th Jul 20252412 PMAQI
11th Jul 2025431 PMAQI
11th Jul 2025442 PMAQI
11th Jul 2025433 PMAQI
11th Jul 2025424 PMAQI
11th Jul 2025405 PMAQI
11th Jul 2025406 PMAQI
11th Jul 2025427 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025609 PMAQI
11th Jul 20256010 PMAQI
11th Jul 20256011 PMAQI
12th Jul 20256012 AMAQI
12th Jul 2025621 AMAQI
12th Jul 2025642 AMAQI
12th Jul 2025643 AMAQI
23°C22/26°C
12th Jul 2025644 AMAQI
12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20253710 AMAQI
12th Jul 20254311 AMAQI
12th Jul 20255112 PMAQI
12th Jul 2025521 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025523 PMAQI
12th Jul 2025534 PMAQI
12th Jul 2025505 PMAQI
12th Jul 2025456 PMAQI
12th Jul 2025447 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255710 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255712 AMAQI
13th Jul 2025601 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
24°C21/27°C
13th Jul 2025614 AMAQI
13th Jul 2025605 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025607 AMAQI
13th Jul 2025608 AMAQI
13th Jul 2025509 AMAQI
13th Jul 20254310 AMAQI
13th Jul 20254411 AMAQI
13th Jul 20255212 PMAQI
13th Jul 2025501 PMAQI
13th Jul 2025542 PMAQI
13th Jul 2025543 PMAQI
13th Jul 2025534 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025386 PMAQI
13th Jul 2025367 PMAQI
13th Jul 2025398 PMAQI
13th Jul 2025559 PMAQI
13th Jul 20255510 PMAQI
13th Jul 20255511 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025583 AMAQI
25°C23/28°C
14th Jul 2025584 AMAQI
14th Jul 2025585 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20251912 PMAQI
14th Jul 2025291 PMAQI
14th Jul 2025322 PMAQI
14th Jul 2025313 PMAQI
14th Jul 2025324 PMAQI
14th Jul 2025305 PMAQI
14th Jul 2025336 PMAQI
14th Jul 2025347 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
25°C24/28°C
15th Jul 2025564 AMAQI
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025279 AMAQI
15th Jul 20251710 AMAQI
15th Jul 20251611 AMAQI
15th Jul 20251912 PMAQI
15th Jul 2025261 PMAQI
15th Jul 2025262 PMAQI
15th Jul 2025283 PMAQI
15th Jul 2025304 PMAQI
15th Jul 2025305 PMAQI
15th Jul 2025366 PMAQI
15th Jul 2025327 PMAQI
15th Jul 2025328 PMAQI
15th Jul 2025479 PMAQI
15th Jul 20254710 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025533 AMAQI
26°C25/27°C
16th Jul 2025524 AMAQI
16th Jul 2025505 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025518 AMAQI
16th Jul 2025379 AMAQI
16th Jul 20252810 AMAQI
16th Jul 20252011 AMAQI
16th Jul 20252112 PMAQI
16th Jul 2025281 PMAQI
16th Jul 2025282 PMAQI
16th Jul 2025283 PMAQI
16th Jul 2025344 PMAQI
16th Jul 2025265 PMAQI
16th Jul 2025286 PMAQI
16th Jul 2025267 PMAQI
16th Jul 2025308 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254410 PMAQI
16th Jul 20254611 PMAQI
17th Jul 20254812 AMAQI
17th Jul 2025501 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025523 AMAQI
26°C25/26°C
17th Jul 2025514 AMAQI
17th Jul 2025505 AMAQI
17th Jul 2025506 AMAQI
17th Jul 2025507 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025309 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20253611 AMAQI
17th Jul 20252812 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025372 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025306 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025358 PMAQI
17th Jul 2025439 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
26°C25/28°C
18th Jul 2025484 AMAQI
18th Jul 2025465 AMAQI
18th Jul 2025466 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025468 AMAQI
18th Jul 2025319 AMAQI
18th Jul 20252810 AMAQI
18th Jul 20252611 AMAQI
18th Jul 20252712 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025293 PMAQI
18th Jul 2025304 PMAQI
18th Jul 2025285 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025297 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025419 PMAQI
18th Jul 20254110 PMAQI
18th Jul 20254111 PMAQI
19th Jul 20254012 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
26°C24/28°C
19th Jul 2025454 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025437 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025349 AMAQI
19th Jul 20253410 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025181 PMAQI
19th Jul 2025182 PMAQI
19th Jul 2025193 PMAQI
19th Jul 2025184 PMAQI
19th Jul 2025185 PMAQI
19th Jul 2025146 PMAQI
19th Jul 2025157 PMAQI
19th Jul 2025208 PMAQI
19th Jul 2025299 PMAQI
19th Jul 20252910 PMAQI
19th Jul 20252811 PMAQI
20th Jul 20253012 AMAQI
20th Jul 2025361 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
26°C25/29°C
20th Jul 2025424 AMAQI
20th Jul 2025405 AMAQI
20th Jul 2025396 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025408 AMAQI
20th Jul 2025369 AMAQI
20th Jul 20252910 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20251912 PMAQI
20th Jul 2025181 PMAQI
20th Jul 2025182 PMAQI
20th Jul 2025183 PMAQI
20th Jul 2025194 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025206 PMAQI
20th Jul 2025207 PMAQI
20th Jul 2025248 PMAQI
20th Jul 2025299 PMAQI
20th Jul 20252810 PMAQI
20th Jul 20252811 PMAQI
21st Jul 20252912 AMAQI
21st Jul 2025291 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
27°C25/29°C
21st Jul 2025394 AMAQI
21st Jul 2025365 AMAQI
21st Jul 2025366 AMAQI
21st Jul 2025367 AMAQI
21st Jul 2025368 AMAQI
21st Jul 2025279 AMAQI
21st Jul 20252810 AMAQI
21st Jul 20252811 AMAQI
21st Jul 20252312 PMAQI
21st Jul 2025281 PMAQI
21st Jul 2025352 PMAQI
21st Jul 2025273 PMAQI
21st Jul 2025224 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025216 PMAQI
21st Jul 2025187 PMAQI
21st Jul 2025208 PMAQI
21st Jul 2025259 PMAQI
21st Jul 20252410 PMAQI
21st Jul 20252411 PMAQI
22nd Jul 20252412 AMAQI
22nd Jul 2025291 AMAQI
22nd Jul 2025372 AMAQI
22nd Jul 2025373 AMAQI
27°C26/29°C
22nd Jul 2025364 AMAQI
22nd Jul 2025355 AMAQI
22nd Jul 2025346 AMAQI
22nd Jul 2025347 AMAQI
22nd Jul 2025348 AMAQI
22nd Jul 2025299 AMAQI
22nd Jul 20252610 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252912 PMAQI
22nd Jul 2025331 PMAQI
22nd Jul 2025332 PMAQI
22nd Jul 2025263 PMAQI
22nd Jul 2025224 PMAQI
22nd Jul 2025215 PMAQI
22nd Jul 2025206 PMAQI
22nd Jul 2025167 PMAQI
22nd Jul 2025198 PMAQI
22nd Jul 2025259 PMAQI
22nd Jul 20252210 PMAQI
22nd Jul 20252411 PMAQI
23rd Jul 20252212 AMAQI
23rd Jul 2025261 AMAQI
23rd Jul 2025352 AMAQI
23rd Jul 2025343 AMAQI
27°C26/29°C
23rd Jul 2025344 AMAQI
23rd Jul 2025335 AMAQI
23rd Jul 2025336 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025338 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20252810 AMAQI
23rd Jul 20253011 AMAQI
23rd Jul 20253212 PMAQI
23rd Jul 2025331 PMAQI
23rd Jul 2025322 PMAQI
23rd Jul 2025303 PMAQI
23rd Jul 2025294 PMAQI
23rd Jul 2025225 PMAQI
23rd Jul 2025186 PMAQI
23rd Jul 2025187 PMAQI
23rd Jul 2025218 PMAQI
23rd Jul 2025249 PMAQI
23rd Jul 20252210 PMAQI
23rd Jul 20252211 PMAQI
24th Jul 20252312 AMAQI
24th Jul 2025241 AMAQI
24th Jul 2025262 AMAQI
24th Jul 2025333 AMAQI
27°C25/29°C
24th Jul 2025324 AMAQI
24th Jul 2025325 AMAQI
24th Jul 2025316 AMAQI
24th Jul 2025327 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025339 AMAQI
24th Jul 20253410 AMAQI
24th Jul 20253511 AMAQI
24th Jul 20254612 PMAQI
24th Jul 2025521 PMAQI
24th Jul 2025562 PMAQI
24th Jul 2025333 PMAQI
24th Jul 2025264 PMAQI
24th Jul 2025205 PMAQI
24th Jul 2025186 PMAQI
24th Jul 2025177 PMAQI
24th Jul 2025198 PMAQI
24th Jul 2025219 PMAQI
24th Jul 20252310 PMAQI
24th Jul 20252411 PMAQI
25th Jul 20252212 AMAQI
25th Jul 2025261 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025313 AMAQI
27°C25/30°C
25th Jul 2025324 AMAQI
25th Jul 2025345 AMAQI
25th Jul 2025346 AMAQI
25th Jul 2025337 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025249 AMAQI
25th Jul 20252210 AMAQI
25th Jul 20252311 AMAQI
25th Jul 20251712 PMAQI
25th Jul 2025191 PMAQI
25th Jul 2025192 PMAQI
25th Jul 2025203 PMAQI
25th Jul 2025284 PMAQI
25th Jul 2025265 PMAQI
25th Jul 2025166 PMAQI
25th Jul 2025157 PMAQI
25th Jul 2025168 PMAQI
25th Jul 2025229 PMAQI
25th Jul 20252210 PMAQI
25th Jul 20252211 PMAQI
26th Jul 20252212 AMAQI
26th Jul 2025261 AMAQI
26th Jul 2025322 AMAQI
26th Jul 2025323 AMAQI
28°C26/30°C
26th Jul 2025324 AMAQI
26th Jul 2025285 AMAQI
26th Jul 2025286 AMAQI
26th Jul 2025287 AMAQI
26th Jul 2025298 AMAQI
26th Jul 2025219 AMAQI
26th Jul 20252310 AMAQI
26th Jul 20252111 AMAQI
26th Jul 20252212 PMAQI
26th Jul 2025231 PMAQI
26th Jul 2025212 PMAQI
26th Jul 2025233 PMAQI
26th Jul 2025244 PMAQI
26th Jul 2025215 PMAQI
26th Jul 2025206 PMAQI
26th Jul 2025157 PMAQI
26th Jul 2025178 PMAQI
26th Jul 2025219 PMAQI
26th Jul 20252210 PMAQI
26th Jul 20252211 PMAQI
27th Jul 20252112 AMAQI
27th Jul 2025231 AMAQI
27th Jul 2025292 AMAQI
27th Jul 2025293 AMAQI
28°C26/30°C
27th Jul 2025284 AMAQI
27th Jul 2025285 AMAQI
27th Jul 2025286 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025278 AMAQI
27th Jul 2025239 AMAQI
27th Jul 20252110 AMAQI
27th Jul 20251811 AMAQI
27th Jul 20251812 PMAQI
27th Jul 2025161 PMAQI
27th Jul 2025302 PMAQI
27th Jul 2025193 PMAQI
27th Jul 2025214 PMAQI
27th Jul 2025195 PMAQI
27th Jul 2025166 PMAQI
27th Jul 2025157 PMAQI
27th Jul 2025158 PMAQI
27th Jul 2025199 PMAQI
27th Jul 20252110 PMAQI
27th Jul 20252011 PMAQI
28th Jul 20252012 AMAQI
28th Jul 2025231 AMAQI
28th Jul 2025282 AMAQI
28th Jul 2025283 AMAQI
27°C26/29°C
28th Jul 2025284 AMAQI
28th Jul 2025265 AMAQI
28th Jul 2025266 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025268 AMAQI
28th Jul 2025259 AMAQI
28th Jul 20253110 AMAQI
28th Jul 20253411 AMAQI
28th Jul 20253412 PMAQI
28th Jul 2025371 PMAQI
28th Jul 2025362 PMAQI
28th Jul 2025303 PMAQI
28th Jul 2025294 PMAQI
28th Jul 2025225 PMAQI
28th Jul 2025226 PMAQI
28th Jul 2025157 PMAQI
28th Jul 2025188 PMAQI
28th Jul 2025209 PMAQI
28th Jul 20251910 PMAQI
28th Jul 20251911 PMAQI
29th Jul 20252012 AMAQI
29th Jul 2025231 AMAQI
29th Jul 2025272 AMAQI
29th Jul 2025273 AMAQI
27°C25/30°C
29th Jul 2025274 AMAQI
29th Jul 2025285 AMAQI
29th Jul 2025276 AMAQI
29th Jul 2025277 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025319 AMAQI
29th Jul 20254010 AMAQI
29th Jul 20254911 AMAQI
29th Jul 20254212 PMAQI
29th Jul 2025421 PMAQI
29th Jul 2025352 PMAQI
29th Jul 2025283 PMAQI
29th Jul 2025244 PMAQI
29th Jul 2025225 PMAQI
29th Jul 2025186 PMAQI
29th Jul 2025167 PMAQI
29th Jul 2025208 PMAQI
29th Jul 2025239 PMAQI
29th Jul 20252010 PMAQI
29th Jul 20251911 PMAQI
30th Jul 20252012 AMAQI
30th Jul 2025221 AMAQI
30th Jul 2025272 AMAQI
30th Jul 2025263 AMAQI
27°C24/32°C
30th Jul 2025274 AMAQI
30th Jul 2025295 AMAQI
30th Jul 2025296 AMAQI
30th Jul 2025297 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025259 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20252411 AMAQI
30th Jul 20252412 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025282 PMAQI
30th Jul 2025283 PMAQI
30th Jul 2025284 PMAQI
30th Jul 2025355 PMAQI
30th Jul 2025286 PMAQI
30th Jul 2025217 PMAQI
30th Jul 2025248 PMAQI
30th Jul 2025269 PMAQI
30th Jul 20252710 PMAQI
30th Jul 20252711 PMAQI
31st Jul 20252812 AMAQI
31st Jul 2025281 AMAQI
31st Jul 2025272 AMAQI
31st Jul 2025263 AMAQI
28°C24/32°C
31st Jul 2025264 AMAQI
31st Jul 2025265 AMAQI
31st Jul 2025266 AMAQI
31st Jul 2025267 AMAQI
31st Jul 2025268 AMAQI
31st Jul 2025269 AMAQI
31st Jul 20252610 AMAQI
31st Jul 20253511 AMAQI
31st Jul 20253612 PMAQI
31st Jul 2025351 PMAQI
31st Jul 2025332 PMAQI
31st Jul 2025353 PMAQI
31st Jul 2025324 PMAQI
31st Jul 2025255 PMAQI
31st Jul 2025226 PMAQI
31st Jul 2025197 PMAQI
31st Jul 2025248 PMAQI
31st Jul 2025299 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025353 AMAQI
27°C24/31°C
1st Aug 2025334 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025358 AMAQI
1st Aug 2025369 AMAQI
1st Aug 20252710 AMAQI
1st Aug 20254111 AMAQI
1st Aug 20254412 PMAQI
1st Aug 2025421 PMAQI
1st Aug 2025372 PMAQI
1st Aug 2025263 PMAQI
1st Aug 2025404 PMAQI
1st Aug 2025325 PMAQI
1st Aug 2025426 PMAQI
1st Aug 2025277 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025299 PMAQI
1st Aug 20253110 PMAQI
1st Aug 20252911 PMAQI
2nd Aug 20252812 AMAQI
2nd Aug 2025311 AMAQI
2nd Aug 2025352 AMAQI
2nd Aug 2025363 AMAQI
27°C25/29°C
2nd Aug 2025374 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025386 AMAQI
2nd Aug 2025367 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025389 AMAQI
2nd Aug 20253410 AMAQI
2nd Aug 20253711 AMAQI
2nd Aug 20253712 PMAQI
2nd Aug 2025441 PMAQI
2nd Aug 2025542 PMAQI
2nd Aug 2025543 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025485 PMAQI
2nd Aug 2025466 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254111 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025363 AMAQI
28°C25/31°C
3rd Aug 2025394 AMAQI
4 AM3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025489 AMAQI
3rd Aug 20255710 AMAQI
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
43AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
6 PM
36AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 43), while the lowest AQI was between 6 PM to 6 PM (Avg. 36).
Night time
Avg. Highest Time
2 AM - 3 AM
43AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM
34AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 43), while the lowest AQI was between 7 PM to 7 PM (Avg. 34).
2025 Days Vs Air Quality
Ozone, Kisarazu, Chiba, Japan
2025
91%
194
9%
19
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
194 DaysModerate
19 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 215 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
Ozone, Kisarazu, Chiba, Japan
AQI levels in 2025
AQI
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.
1st January 2025
31AQI
31AQI
2nd January 2025
32AQI
32AQI
3rd January 2025
27AQI
27AQI
4th January 2025
32AQI
32AQI
5th January 2025
34AQI
34AQI
6th January 2025
58AQI
58AQI
7th January 2025
33AQI
33AQI
8th January 2025
38AQI
38AQI
9th January 2025
33AQI
33AQI
10th January 2025
29AQI
29AQI
11th January 2025
28AQI
28AQI
12th January 2025
36AQI
36AQI
13th January 2025
31AQI
31AQI
14th January 2025
38AQI
38AQI
15th January 2025
38AQI
38AQI
16th January 2025
30AQI
30AQI
17th January 2025
32AQI
32AQI
18th January 2025
29AQI
29AQI
19th January 2025
55AQI
55AQI
20th January 2025
44AQI
44AQI
21st January 2025
45AQI
45AQI
22nd January 2025
40AQI
40AQI
23rd January 2025
49AQI
49AQI
24th January 2025
50AQI
50AQI
25th January 2025
39AQI
39AQI
26th January 2025
39AQI
39AQI
27th January 2025
36AQI
36AQI
28th January 2025
38AQI
38AQI
29th January 2025
33AQI
33AQI
30th January 2025
33AQI
33AQI
31st January 2025
30AQI
30AQI
1st February 2025
39AQI
39AQI
2nd February 2025
32AQI
32AQI
3rd February 2025
46AQI
46AQI
4th February 2025
32AQI
32AQI
5th February 2025
36AQI
36AQI
6th February 2025
30AQI
30AQI
7th February 2025
34AQI
34AQI
8th February 2025
31AQI
31AQI
9th February 2025
31AQI
31AQI
10th February 2025
31AQI
31AQI
11th February 2025
33AQI
33AQI
12th February 2025
34AQI
34AQI
13th February 2025
31AQI
31AQI
14th February 2025
29AQI
29AQI
15th February 2025
30AQI
30AQI
16th February 2025
37AQI
37AQI
17th February 2025
37AQI
37AQI
18th February 2025
31AQI
31AQI
19th February 2025
31AQI
31AQI
20th February 2025
31AQI
31AQI
21st February 2025
31AQI
31AQI
22nd February 2025
34AQI
34AQI
23rd February 2025
32AQI
32AQI
24th February 2025
36AQI
36AQI
25th February 2025
36AQI
36AQI
26th February 2025
36AQI
36AQI
27th February 2025
40AQI
40AQI
28th February 2025
49AQI
49AQI
1st March 2025
50AQI
50AQI
2nd March 2025
64AQI
64AQI
3rd March 2025
42AQI
42AQI
4th March 2025
39AQI
39AQI
5th March 2025
29AQI
29AQI
6th March 2025
34AQI
34AQI
7th March 2025
32AQI
32AQI
8th March 2025
35AQI
35AQI
9th March 2025
33AQI
33AQI
10th March 2025
35AQI
35AQI
11th March 2025
39AQI
39AQI
12th March 2025
55AQI
55AQI
13th March 2025
44AQI
44AQI
14th March 2025
42AQI
42AQI
15th March 2025
36AQI
36AQI
16th March 2025
28AQI
28AQI
17th March 2025
23AQI
23AQI
18th March 2025
24AQI
24AQI
19th March 2025
18AQI
18AQI
20th March 2025
25AQI
25AQI
21st March 2025
40AQI
40AQI
22nd March 2025
47AQI
47AQI
23rd March 2025
55AQI
55AQI
24th March 2025
54AQI
54AQI
25th March 2025
64AQI
64AQI
26th March 2025
82AQI
82AQI
27th March 2025
68AQI
68AQI
28th March 2025
48AQI
48AQI
29th March 2025
35AQI
35AQI
30th March 2025
42AQI
42AQI
31st March 2025
31AQI
31AQI
1st April 2025
30AQI
30AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
21AQI
21AQI
4th April 2025
23AQI
23AQI
5th April 2025
23AQI
23AQI
6th April 2025
22AQI
22AQI
7th April 2025
29AQI
29AQI
8th April 2025
34AQI
34AQI
9th April 2025
26AQI
26AQI
10th April 2025
43AQI
43AQI
11th April 2025
37AQI
37AQI
12th April 2025
37AQI
37AQI
13th April 2025
24AQI
24AQI
14th April 2025
39AQI
39AQI
15th April 2025
29AQI
29AQI
16th April 2025
33AQI
33AQI
17th April 2025
44AQI
44AQI
18th April 2025
48AQI
48AQI
19th April 2025
57AQI
57AQI
20th April 2025
41AQI
41AQI
21st April 2025
40AQI
40AQI
22nd April 2025
36AQI
36AQI
23rd April 2025
27AQI
27AQI
24th April 2025
36AQI
36AQI
25th April 2025
33AQI
33AQI
26th April 2025
40AQI
40AQI
27th April 2025
43AQI
43AQI
28th April 2025
36AQI
36AQI
29th April 2025
32AQI
32AQI
30th April 2025
40AQI
40AQI
1st May 2025
36AQI
36AQI
2nd May 2025
26AQI
26AQI
3rd May 2025
29AQI
29AQI
4th May 2025
36AQI
36AQI
5th May 2025
32AQI
32AQI
6th May 2025
26AQI
26AQI
7th May 2025
23AQI
23AQI
8th May 2025
24AQI
24AQI
9th May 2025
27AQI
27AQI
10th May 2025
23AQI
23AQI
11th May 2025
27AQI
27AQI
12th May 2025
29AQI
29AQI
13th May 2025
33AQI
33AQI
14th May 2025
31AQI
31AQI
15th May 2025
33AQI
33AQI
16th May 2025
34AQI
34AQI
17th May 2025
24AQI
24AQI
18th May 2025
40AQI
40AQI
19th May 2025
38AQI
38AQI
20th May 2025
56AQI
56AQI
21st May 2025
36AQI
36AQI
22nd May 2025
33AQI
33AQI
23rd May 2025
35AQI
35AQI
24th May 2025
33AQI
33AQI
25th May 2025
27AQI
27AQI
26th May 2025
24AQI
24AQI
27th May 2025
23AQI
23AQI
28th May 2025
22AQI
22AQI
29th May 2025
24AQI
24AQI
30th May 2025
21AQI
21AQI
31st May 2025
16AQI
16AQI
1st June 2025
18AQI
18AQI
2nd June 2025
23AQI
23AQI
3rd June 2025
25AQI
25AQI
4th June 2025
29AQI
29AQI
5th June 2025
34AQI
34AQI
6th June 2025
41AQI
41AQI
7th June 2025
42AQI
42AQI
8th June 2025
47AQI
47AQI
9th June 2025
34AQI
34AQI
10th June 2025
25AQI
25AQI
11th June 2025
21AQI
21AQI
12th June 2025
31AQI
31AQI
13th June 2025
28AQI
28AQI
14th June 2025
27AQI
27AQI
15th June 2025
31AQI
31AQI
16th June 2025
32AQI
32AQI
17th June 2025
42AQI
42AQI
18th June 2025
38AQI
38AQI
19th June 2025
37AQI
37AQI
20th June 2025
33AQI
33AQI
21st June 2025
28AQI
28AQI
22nd June 2025
19AQI
19AQI
23rd June 2025
20AQI
20AQI
24th June 2025
19AQI
19AQI
25th June 2025
18AQI
18AQI
26th June 2025
17AQI
17AQI
27th June 2025
26AQI
26AQI
28th June 2025
28AQI
28AQI
29th June 2025
28AQI
28AQI
30th June 2025
32AQI
32AQI
1st July 2025
32AQI
32AQI
2nd July 2025
35AQI
35AQI
3rd July 2025
40AQI
40AQI
4th July 2025
39AQI
39AQI
5th July 2025
45AQI
45AQI
6th July 2025
59AQI
59AQI
7th July 2025
69AQI
69AQI
8th July 2025
73AQI
73AQI
9th July 2025
72AQI
72AQI
10th July 2025
59AQI
59AQI
11th July 2025
53AQI
53AQI
12th July 2025
55AQI
55AQI
13th July 2025
53AQI
53AQI
14th July 2025
45AQI
45AQI
15th July 2025
43AQI
43AQI
16th July 2025
41AQI
41AQI
17th July 2025
42AQI
42AQI
18th July 2025
38AQI
38AQI
19th July 2025
31AQI
31AQI
20th July 2025
30AQI
30AQI
21st July 2025
29AQI
29AQI
22nd July 2025
28AQI
28AQI
23rd July 2025
28AQI
28AQI
24th July 2025
29AQI
29AQI
25th July 2025
24AQI
24AQI
26th July 2025
24AQI
24AQI
27th July 2025
22AQI
22AQI
28th July 2025
25AQI
25AQI
29th July 2025
27AQI
27AQI
30th July 2025
26AQI
26AQI
31st July 2025
28AQI
28AQI
1st August 2025
34AQI
34AQI
37AQI
34AQI
42AQI
34AQI
30AQI
29AQI
40AQI
34AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202535AQI
29
2
28
24
7
29
1
30
1
30
23
8
1
194
19
Highest AQI recorded in
March42AQI
Lowest AQI recorded in
June29AQI
202435AQI
30
1
24
3
25
6
25
5
28
3
29
1
20
11
31
27
3
31
28
2
30
1
328
36
Highest AQI recorded in
July46AQI
Lowest AQI recorded in
August26AQI
202336AQI
26
5
25
3
30
1
25
5
27
4
28
2
28
3
31
29
1
30
1
22
5
23
6
324
36
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
August22AQI
202233AQI
27
2
19
3
25
6
25
4
30
1
28
2
21
1
28
29
2
28
2
31
292
22
Highest AQI recorded in
March40AQI
Lowest AQI recorded in
August17AQI
202132AQI
22
9
24
4
26
3
20
1
26
5
27
3
29
2
28
3
30
30
1
25
5
25
6
312
42
Highest AQI recorded in
January40AQI
Lowest AQI recorded in
September27AQI
202030AQI
13
20
1
18
24
6
31
24
7
19
31
25
5
26
5
231
24
Highest AQI recorded in
August36AQI
Lowest AQI recorded in
September22AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
36AQILeast Polluted Year Recorded
2020(Avg.)
30AQIOzone's annual 2025 AQI (35) shows an average percentage change of 5.7% (worsened AQI) compared to previous years: 2020 (30), 2021 (32), 2022 (33), 2023 (36), 2024 (35).
