Joso, Ibaraki, 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
Joso, Ibaraki, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
68AQILowest AQI recorded on
30th Aug 2024
10AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 58 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Joso, Ibaraki, Japan
AQI
Day
Night
.
4 AM5th Aug 2025
6 PM
3 AM6th Aug 2025
Day time
Avg. Highest Time
12PM5th Aug
66AQI
Avg. Lowest Time
4AM5th Aug
50AQI
Night time
Avg. Highest Time
2AM6th Aug
50AQI
Avg. Lowest Time
7PM5th Aug
41AQI
In the last 24 hours,
Joso's AQI reached its highest point of 66 at 12 PM during the Day, while the lowest point, 41, was recorded at 7 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Joso, Ibaraki, Japan
JulAug
07th - 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 - 04th04th - 05th05th - 06th06th
Day
Night
7th Jul 2025524 AMAQI
7th Jul 2025555 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025558 AMAQI
7th Jul 20251079 AMAQI
7th Jul 202512410 AMAQI
7th Jul 202512811 AMAQI
7th Jul 202512212 PMAQI
7th Jul 20251021 PMAQI
7th Jul 2025902 PMAQI
7th Jul 2025793 PMAQI
7th Jul 2025804 PMAQI
7th Jul 2025855 PMAQI
7th Jul 2025916 PMAQI
7th Jul 2025967 PMAQI
7th Jul 2025908 PMAQI
7th Jul 2025799 PMAQI
7th Jul 20257710 PMAQI
7th Jul 20257811 PMAQI
8th Jul 20256712 AMAQI
8th Jul 2025571 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025553 AMAQI
31°C28/36°C
8th Jul 2025594 AMAQI
8th Jul 2025655 AMAQI
8th Jul 2025646 AMAQI
8th Jul 2025647 AMAQI
8th Jul 2025648 AMAQI
8th Jul 20251089 AMAQI
8th Jul 202511810 AMAQI
8th Jul 202511011 AMAQI
8th Jul 202510012 PMAQI
8th Jul 2025841 PMAQI
8th Jul 2025772 PMAQI
8th Jul 2025813 PMAQI
8th Jul 2025944 PMAQI
8th Jul 2025905 PMAQI
8th Jul 2025886 PMAQI
8th Jul 2025937 PMAQI
8th Jul 2025888 PMAQI
8th Jul 2025789 PMAQI
8th Jul 20257810 PMAQI
8th Jul 20257811 PMAQI
9th Jul 20257412 AMAQI
9th Jul 2025631 AMAQI
9th Jul 2025622 AMAQI
9th Jul 2025613 AMAQI
31°C28/36°C
9th Jul 2025644 AMAQI
9th Jul 2025695 AMAQI
9th Jul 2025706 AMAQI
9th Jul 2025697 AMAQI
9th Jul 2025698 AMAQI
9th Jul 20251209 AMAQI
9th Jul 202512410 AMAQI
9th Jul 202512611 AMAQI
9th Jul 202511412 PMAQI
9th Jul 20251011 PMAQI
9th Jul 20251022 PMAQI
9th Jul 20251073 PMAQI
9th Jul 20251224 PMAQI
9th Jul 20251115 PMAQI
9th Jul 2025866 PMAQI
9th Jul 2025747 PMAQI
9th Jul 2025648 PMAQI
9th Jul 2025609 PMAQI
9th Jul 20255810 PMAQI
9th Jul 20255811 PMAQI
10th Jul 20256212 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025682 AMAQI
10th Jul 2025673 AMAQI
31°C27/36°C
10th Jul 2025704 AMAQI
10th Jul 2025765 AMAQI
10th Jul 2025766 AMAQI
10th Jul 2025767 AMAQI
10th Jul 2025758 AMAQI
10th Jul 2025489 AMAQI
10th Jul 20254210 AMAQI
10th Jul 20255411 AMAQI
10th Jul 20256512 PMAQI
10th Jul 2025691 PMAQI
10th Jul 2025612 PMAQI
10th Jul 2025543 PMAQI
10th Jul 2025554 PMAQI
10th Jul 2025535 PMAQI
10th Jul 2025496 PMAQI
10th Jul 2025457 PMAQI
10th Jul 2025488 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255710 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20256112 AMAQI
11th Jul 2025671 AMAQI
11th Jul 2025692 AMAQI
11th Jul 2025703 AMAQI
28°C22/36°C
11th Jul 2025694 AMAQI
11th Jul 2025675 AMAQI
11th Jul 2025676 AMAQI
11th Jul 2025687 AMAQI
11th Jul 2025678 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20251810 AMAQI
11th Jul 20252011 AMAQI
11th Jul 20251612 PMAQI
11th Jul 2025291 PMAQI
11th Jul 2025282 PMAQI
11th Jul 2025303 PMAQI
11th Jul 2025314 PMAQI
11th Jul 2025275 PMAQI
11th Jul 2025286 PMAQI
11th Jul 2025317 PMAQI
11th Jul 2025428 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255510 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20256012 AMAQI
12th Jul 2025641 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
23°C22/26°C
12th Jul 2025644 AMAQI
12th Jul 2025615 AMAQI
12th Jul 2025606 AMAQI
12th Jul 2025617 AMAQI
12th Jul 2025618 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20254110 AMAQI
12th Jul 20254411 AMAQI
12th Jul 20253712 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025412 PMAQI
12th Jul 2025313 PMAQI
12th Jul 2025364 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025286 PMAQI
12th Jul 2025327 PMAQI
12th Jul 2025438 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255310 PMAQI
12th Jul 20255311 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025611 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 AMAQI
24°C21/28°C
13th Jul 2025614 AMAQI
13th Jul 2025585 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025489 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20254011 AMAQI
13th Jul 20254212 PMAQI
13th Jul 2025431 PMAQI
13th Jul 2025432 PMAQI
13th Jul 2025433 PMAQI
13th Jul 2025414 PMAQI
13th Jul 2025445 PMAQI
13th Jul 2025446 PMAQI
13th Jul 2025467 PMAQI
13th Jul 2025468 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255110 PMAQI
13th Jul 20255111 PMAQI
14th Jul 20255012 AMAQI
14th Jul 2025571 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025593 AMAQI
26°C23/31°C
14th Jul 2025584 AMAQI
14th Jul 2025575 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20251910 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20252112 PMAQI
14th Jul 2025241 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025243 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025285 PMAQI
14th Jul 2025306 PMAQI
14th Jul 2025247 PMAQI
14th Jul 2025308 PMAQI
14th Jul 2025469 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254811 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
26°C24/29°C
15th Jul 2025554 AMAQI
15th Jul 2025535 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025538 AMAQI
15th Jul 2025309 AMAQI
15th Jul 20252210 AMAQI
15th Jul 20252211 AMAQI
15th Jul 20252512 PMAQI
15th Jul 2025271 PMAQI
15th Jul 2025222 PMAQI
15th Jul 2025223 PMAQI
15th Jul 2025244 PMAQI
15th Jul 2025265 PMAQI
15th Jul 2025326 PMAQI
15th Jul 2025317 PMAQI
15th Jul 2025338 PMAQI
15th Jul 2025399 PMAQI
15th Jul 20254110 PMAQI
15th Jul 20254211 PMAQI
16th Jul 20254912 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
27°C26/29°C
16th Jul 2025534 AMAQI
16th Jul 2025525 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025517 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025499 AMAQI
16th Jul 20254210 AMAQI
16th Jul 20252911 AMAQI
16th Jul 20252312 PMAQI
16th Jul 2025241 PMAQI
16th Jul 2025282 PMAQI
16th Jul 2025303 PMAQI
16th Jul 2025284 PMAQI
16th Jul 2025325 PMAQI
16th Jul 2025316 PMAQI
16th Jul 2025227 PMAQI
16th Jul 2025268 PMAQI
16th Jul 2025399 PMAQI
16th Jul 20253910 PMAQI
16th Jul 20254011 PMAQI
17th Jul 20254612 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
28°C26/30°C
17th Jul 2025524 AMAQI
17th Jul 2025505 AMAQI
17th Jul 2025496 AMAQI
17th Jul 2025497 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025309 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20253012 PMAQI
17th Jul 2025331 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025373 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025385 PMAQI
17th Jul 2025376 PMAQI
17th Jul 2025307 PMAQI
17th Jul 2025358 PMAQI
17th Jul 2025459 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254612 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025503 AMAQI
29°C26/32°C
18th Jul 2025504 AMAQI
18th Jul 2025485 AMAQI
18th Jul 2025476 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025478 AMAQI
18th Jul 2025389 AMAQI
18th Jul 20252710 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20252812 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025242 PMAQI
18th Jul 2025273 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025236 PMAQI
18th Jul 2025247 PMAQI
18th Jul 2025308 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254110 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253812 AMAQI
19th Jul 2025461 AMAQI
19th Jul 2025482 AMAQI
19th Jul 2025473 AMAQI
28°C25/33°C
19th Jul 2025454 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025369 AMAQI
19th Jul 20253010 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20252112 PMAQI
19th Jul 2025251 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025203 PMAQI
19th Jul 2025184 PMAQI
19th Jul 2025195 PMAQI
19th Jul 2025226 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025328 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253711 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025441 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025453 AMAQI
29°C25/33°C
20th Jul 2025444 AMAQI
20th Jul 2025415 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20252710 AMAQI
20th Jul 20253011 AMAQI
20th Jul 20254212 PMAQI
20th Jul 2025411 PMAQI
20th Jul 2025232 PMAQI
20th Jul 2025223 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025317 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025369 PMAQI
20th Jul 20253710 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253712 AMAQI
21st Jul 2025411 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
30°C26/34°C
21st Jul 2025414 AMAQI
21st Jul 2025405 AMAQI
21st Jul 2025396 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025408 AMAQI
21st Jul 2025299 AMAQI
21st Jul 20252510 AMAQI
21st Jul 20253411 AMAQI
21st Jul 20254312 PMAQI
21st Jul 2025451 PMAQI
21st Jul 2025442 PMAQI
21st Jul 2025513 PMAQI
21st Jul 2025434 PMAQI
21st Jul 2025415 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025397 PMAQI
21st Jul 2025388 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253810 PMAQI
21st Jul 20253511 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025391 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025393 AMAQI
31°C27/37°C
22nd Jul 2025394 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20253711 AMAQI
22nd Jul 20254812 PMAQI
22nd Jul 2025501 PMAQI
22nd Jul 2025462 PMAQI
22nd Jul 2025493 PMAQI
22nd Jul 2025524 PMAQI
22nd Jul 2025525 PMAQI
22nd Jul 2025506 PMAQI
22nd Jul 2025377 PMAQI
22nd Jul 2025258 PMAQI
22nd Jul 2025289 PMAQI
22nd Jul 20252810 PMAQI
22nd Jul 20253011 PMAQI
23rd Jul 20253412 AMAQI
23rd Jul 2025381 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025393 AMAQI
31°C27/37°C
23rd Jul 2025384 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025396 AMAQI
23rd Jul 2025397 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025329 AMAQI
23rd Jul 20253610 AMAQI
23rd Jul 20254411 AMAQI
23rd Jul 20255812 PMAQI
23rd Jul 2025561 PMAQI
23rd Jul 2025552 PMAQI
23rd Jul 2025563 PMAQI
23rd Jul 2025564 PMAQI
23rd Jul 2025525 PMAQI
23rd Jul 2025436 PMAQI
23rd Jul 2025387 PMAQI
23rd Jul 2025378 PMAQI
23rd Jul 2025319 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253211 PMAQI
24th Jul 20253212 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025383 AMAQI
31°C27/37°C
24th Jul 2025404 AMAQI
24th Jul 2025415 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025319 AMAQI
24th Jul 20253410 AMAQI
24th Jul 20254511 AMAQI
24th Jul 20255012 PMAQI
24th Jul 2025471 PMAQI
24th Jul 2025412 PMAQI
24th Jul 2025423 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025496 PMAQI
24th Jul 2025477 PMAQI
24th Jul 2025408 PMAQI
24th Jul 2025369 PMAQI
24th Jul 20253110 PMAQI
24th Jul 20252911 PMAQI
25th Jul 20253512 AMAQI
25th Jul 2025381 AMAQI
25th Jul 2025382 AMAQI
25th Jul 2025383 AMAQI
31°C27/37°C
25th Jul 2025394 AMAQI
25th Jul 2025405 AMAQI
25th Jul 2025406 AMAQI
25th Jul 2025417 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025309 AMAQI
25th Jul 20253110 AMAQI
25th Jul 20254811 AMAQI
25th Jul 20254712 PMAQI
25th Jul 2025521 PMAQI
25th Jul 2025522 PMAQI
25th Jul 2025533 PMAQI
25th Jul 2025484 PMAQI
25th Jul 2025465 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025307 PMAQI
25th Jul 2025278 PMAQI
25th Jul 2025309 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253211 PMAQI
26th Jul 20253312 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025382 AMAQI
26th Jul 2025393 AMAQI
31°C28/37°C
26th Jul 2025404 AMAQI
26th Jul 2025415 AMAQI
26th Jul 2025416 AMAQI
26th Jul 2025417 AMAQI
26th Jul 2025418 AMAQI
26th Jul 2025289 AMAQI
26th Jul 20253910 AMAQI
26th Jul 20254211 AMAQI
26th Jul 20254812 PMAQI
26th Jul 2025511 PMAQI
26th Jul 2025502 PMAQI
26th Jul 2025503 PMAQI
26th Jul 2025384 PMAQI
26th Jul 2025305 PMAQI
26th Jul 2025336 PMAQI
26th Jul 2025387 PMAQI
26th Jul 2025368 PMAQI
26th Jul 2025309 PMAQI
26th Jul 20252810 PMAQI
26th Jul 20253311 PMAQI
27th Jul 20253312 AMAQI
27th Jul 2025381 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025393 AMAQI
31°C27/37°C
27th Jul 2025404 AMAQI
27th Jul 2025405 AMAQI
27th Jul 2025416 AMAQI
27th Jul 2025407 AMAQI
27th Jul 2025408 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20254910 AMAQI
27th Jul 20255511 AMAQI
27th Jul 20255312 PMAQI
27th Jul 2025481 PMAQI
27th Jul 2025442 PMAQI
27th Jul 2025393 PMAQI
27th Jul 2025354 PMAQI
27th Jul 2025335 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025207 PMAQI
27th Jul 2025228 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253310 PMAQI
27th Jul 20252611 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025381 AMAQI
28th Jul 2025382 AMAQI
28th Jul 2025393 AMAQI
31°C28/37°C
28th Jul 2025394 AMAQI
28th Jul 2025405 AMAQI
28th Jul 2025406 AMAQI
28th Jul 2025417 AMAQI
28th Jul 2025408 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20252610 AMAQI
28th Jul 20252211 AMAQI
28th Jul 20254212 PMAQI
28th Jul 2025431 PMAQI
28th Jul 2025422 PMAQI
28th Jul 2025413 PMAQI
28th Jul 2025434 PMAQI
28th Jul 2025425 PMAQI
28th Jul 2025376 PMAQI
28th Jul 2025447 PMAQI
28th Jul 2025468 PMAQI
28th Jul 2025409 PMAQI
28th Jul 20253710 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253512 AMAQI
29th Jul 2025381 AMAQI
29th Jul 2025392 AMAQI
29th Jul 2025383 AMAQI
31°C27/38°C
29th Jul 2025394 AMAQI
29th Jul 2025395 AMAQI
29th Jul 2025386 AMAQI
29th Jul 2025397 AMAQI
29th Jul 2025388 AMAQI
29th Jul 2025309 AMAQI
29th Jul 20254210 AMAQI
29th Jul 20255411 AMAQI
29th Jul 20255312 PMAQI
29th Jul 2025531 PMAQI
29th Jul 2025512 PMAQI
29th Jul 2025483 PMAQI
29th Jul 2025444 PMAQI
29th Jul 2025425 PMAQI
29th Jul 2025356 PMAQI
29th Jul 2025277 PMAQI
29th Jul 2025318 PMAQI
29th Jul 2025339 PMAQI
29th Jul 20253110 PMAQI
29th Jul 20252811 PMAQI
30th Jul 20252612 AMAQI
30th Jul 2025301 AMAQI
30th Jul 2025402 AMAQI
30th Jul 2025393 AMAQI
32°C27/38°C
30th Jul 2025404 AMAQI
30th Jul 2025425 AMAQI
30th Jul 2025416 AMAQI
30th Jul 2025417 AMAQI
30th Jul 2025428 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20252310 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025231 PMAQI
30th Jul 2025202 PMAQI
30th Jul 2025223 PMAQI
30th Jul 2025244 PMAQI
30th Jul 2025265 PMAQI
30th Jul 2025306 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025288 PMAQI
30th Jul 2025399 PMAQI
30th Jul 20253910 PMAQI
30th Jul 20253411 PMAQI
31st Jul 20253212 AMAQI
31st Jul 2025371 AMAQI
31st Jul 2025372 AMAQI
31st Jul 2025373 AMAQI
30°C26/35°C
31st Jul 2025384 AMAQI
31st Jul 2025385 AMAQI
31st Jul 2025386 AMAQI
31st Jul 2025387 AMAQI
31st Jul 2025388 AMAQI
31st Jul 2025389 AMAQI
31st Jul 20253810 AMAQI
31st Jul 20253511 AMAQI
31st Jul 20253812 PMAQI
31st Jul 2025341 PMAQI
31st Jul 2025282 PMAQI
31st Jul 2025213 PMAQI
31st Jul 2025244 PMAQI
31st Jul 2025225 PMAQI
31st Jul 2025226 PMAQI
31st Jul 2025247 PMAQI
31st Jul 2025268 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252611 PMAQI
1st Aug 20252812 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025353 AMAQI
28°C25/34°C
1st Aug 2025354 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025359 AMAQI
1st Aug 20253110 AMAQI
1st Aug 20254011 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025361 PMAQI
1st Aug 2025352 PMAQI
1st Aug 2025263 PMAQI
1st Aug 2025444 PMAQI
1st Aug 2025325 PMAQI
1st Aug 2025406 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253310 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252812 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025393 AMAQI
28°C25/32°C
2nd Aug 2025394 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025339 AMAQI
2nd Aug 20253310 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20253512 PMAQI
2nd Aug 2025431 PMAQI
2nd Aug 2025532 PMAQI
2nd Aug 2025503 PMAQI
2nd Aug 2025474 PMAQI
2nd Aug 2025475 PMAQI
2nd Aug 2025496 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20253212 AMAQI
3rd Aug 2025341 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025383 AMAQI
31°C26/37°C
3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025489 AMAQI
3rd Aug 20255610 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20255812 PMAQI
3rd Aug 2025511 PMAQI
3rd Aug 2025552 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025484 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025536 PMAQI
3rd Aug 2025467 PMAQI
3rd Aug 2025448 PMAQI
3rd Aug 2025459 PMAQI
3rd Aug 20254210 PMAQI
3rd Aug 20253811 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
32°C27/37°C
4th Aug 2025404 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025569 AMAQI
4th Aug 20256410 AMAQI
4th Aug 20257311 AMAQI
4th Aug 20257612 PMAQI
4th Aug 2025781 PMAQI
4th Aug 2025782 PMAQI
4th Aug 2025753 PMAQI
4th Aug 2025824 PMAQI
4th Aug 2025875 PMAQI
4th Aug 2025826 PMAQI
4th Aug 2025757 PMAQI
4th Aug 2025668 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20254911 PMAQI
5th Aug 20254912 AMAQI
5th Aug 2025421 AMAQI
5th Aug 2025402 AMAQI
5th Aug 2025403 AMAQI
32°C28/37°C
5th Aug 2025504 AMAQI
5th Aug 2025525 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025517 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025569 AMAQI
5th Aug 20256410 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20256612 PMAQI
5th Aug 2025561 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025563 PMAQI
5th Aug 2025614 PMAQI
5th Aug 2025545 PMAQI
5th Aug 2025536 PMAQI
5th Aug 2025417 PMAQI
5th Aug 2025468 PMAQI
5th Aug 2025449 PMAQI
5th Aug 20254510 PMAQI
5th Aug 20254311 PMAQI
6th Aug 20254412 AMAQI
6th Aug 2025471 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025483 AMAQI
33°C29/39°C
6th Aug 2025524 AMAQI
4 AM6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025419 AMAQI
6th Aug 20254610 AMAQI
6th Aug 20253811 AMAQI
11 AM6th Aug 20254912 PMAQI
6th Aug 2025511 PMAQI
6th Aug 2025582 PMAQI
6th Aug 2025533 PMAQI
6th Aug 2025494 PMAQI
6th Aug 2025545 PMAQI
6th Aug 2025456 PMAQI
6 PM11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 6 PM
46AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
9 AM - 6 PM
46AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 6 PM (Avg. 46), while the lowest AQI was between 9 AM to 6 PM (Avg. 46).
Night time
Avg. Highest Time
1 AM - 3 AM
47AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
7 PM - 11 PM
42AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 47), while the lowest AQI was between 7 PM to 11 PM (Avg. 42).
2025 Days Vs Air Quality
Joso, Ibaraki, Japan
2025
88%
189
13%
27
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
189 DaysModerate
27 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 218 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
Joso, Ibaraki, 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
33AQI
33AQI
2nd January 2025
31AQI
31AQI
3rd January 2025
26AQI
26AQI
4th January 2025
27AQI
27AQI
5th January 2025
34AQI
34AQI
6th January 2025
63AQI
63AQI
7th January 2025
33AQI
33AQI
8th January 2025
40AQI
40AQI
9th January 2025
30AQI
30AQI
10th January 2025
31AQI
31AQI
11th January 2025
29AQI
29AQI
12th January 2025
38AQI
38AQI
13th January 2025
29AQI
29AQI
14th January 2025
42AQI
42AQI
15th January 2025
37AQI
37AQI
16th January 2025
35AQI
35AQI
17th January 2025
31AQI
31AQI
18th January 2025
39AQI
39AQI
19th January 2025
64AQI
64AQI
20th January 2025
41AQI
41AQI
21st January 2025
50AQI
50AQI
22nd January 2025
42AQI
42AQI
23rd January 2025
54AQI
54AQI
24th January 2025
48AQI
48AQI
25th January 2025
44AQI
44AQI
26th January 2025
38AQI
38AQI
27th January 2025
39AQI
39AQI
28th January 2025
44AQI
44AQI
29th January 2025
34AQI
34AQI
30th January 2025
36AQI
36AQI
31st January 2025
29AQI
29AQI
1st February 2025
41AQI
41AQI
2nd February 2025
34AQI
34AQI
3rd February 2025
42AQI
42AQI
4th February 2025
32AQI
32AQI
5th February 2025
35AQI
35AQI
6th February 2025
29AQI
29AQI
7th February 2025
29AQI
29AQI
8th February 2025
30AQI
30AQI
9th February 2025
30AQI
30AQI
10th February 2025
30AQI
30AQI
11th February 2025
32AQI
32AQI
12th February 2025
44AQI
44AQI
13th February 2025
43AQI
43AQI
14th February 2025
37AQI
37AQI
15th February 2025
39AQI
39AQI
16th February 2025
40AQI
40AQI
17th February 2025
38AQI
38AQI
18th February 2025
33AQI
33AQI
19th February 2025
31AQI
31AQI
20th February 2025
31AQI
31AQI
21st February 2025
32AQI
32AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
32AQI
32AQI
24th February 2025
33AQI
33AQI
25th February 2025
33AQI
33AQI
26th February 2025
35AQI
35AQI
27th February 2025
42AQI
42AQI
28th February 2025
53AQI
53AQI
1st March 2025
49AQI
49AQI
2nd March 2025
62AQI
62AQI
3rd March 2025
41AQI
41AQI
4th March 2025
42AQI
42AQI
5th March 2025
28AQI
28AQI
6th March 2025
34AQI
34AQI
7th March 2025
32AQI
32AQI
8th March 2025
37AQI
37AQI
9th March 2025
35AQI
35AQI
10th March 2025
37AQI
37AQI
11th March 2025
41AQI
41AQI
12th March 2025
48AQI
48AQI
13th March 2025
45AQI
45AQI
14th March 2025
40AQI
40AQI
15th March 2025
39AQI
39AQI
16th March 2025
26AQI
26AQI
17th March 2025
23AQI
23AQI
18th March 2025
25AQI
25AQI
19th March 2025
21AQI
21AQI
20th March 2025
25AQI
25AQI
21st March 2025
39AQI
39AQI
22nd March 2025
51AQI
51AQI
23rd March 2025
52AQI
52AQI
24th March 2025
48AQI
48AQI
25th March 2025
68AQI
68AQI
26th March 2025
71AQI
71AQI
27th March 2025
70AQI
70AQI
28th March 2025
51AQI
51AQI
29th March 2025
38AQI
38AQI
30th March 2025
40AQI
40AQI
31st March 2025
33AQI
33AQI
1st April 2025
28AQI
28AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
21AQI
21AQI
4th April 2025
22AQI
22AQI
5th April 2025
26AQI
26AQI
6th April 2025
25AQI
25AQI
7th April 2025
29AQI
29AQI
8th April 2025
37AQI
37AQI
9th April 2025
26AQI
26AQI
10th April 2025
47AQI
47AQI
11th April 2025
42AQI
42AQI
12th April 2025
40AQI
40AQI
13th April 2025
29AQI
29AQI
14th April 2025
40AQI
40AQI
15th April 2025
28AQI
28AQI
16th April 2025
31AQI
31AQI
17th April 2025
43AQI
43AQI
18th April 2025
53AQI
53AQI
19th April 2025
65AQI
65AQI
20th April 2025
52AQI
52AQI
21st April 2025
44AQI
44AQI
22nd April 2025
47AQI
47AQI
23rd April 2025
30AQI
30AQI
24th April 2025
39AQI
39AQI
25th April 2025
45AQI
45AQI
26th April 2025
46AQI
46AQI
27th April 2025
52AQI
52AQI
28th April 2025
44AQI
44AQI
29th April 2025
36AQI
36AQI
30th April 2025
44AQI
44AQI
1st May 2025
39AQI
39AQI
2nd May 2025
28AQI
28AQI
3rd May 2025
31AQI
31AQI
4th May 2025
35AQI
35AQI
5th May 2025
34AQI
34AQI
6th May 2025
30AQI
30AQI
7th May 2025
27AQI
27AQI
8th May 2025
29AQI
29AQI
9th May 2025
30AQI
30AQI
10th May 2025
22AQI
22AQI
11th May 2025
28AQI
28AQI
12th May 2025
22AQI
22AQI
13th May 2025
35AQI
35AQI
14th May 2025
36AQI
36AQI
15th May 2025
40AQI
40AQI
16th May 2025
43AQI
43AQI
17th May 2025
26AQI
26AQI
18th May 2025
48AQI
48AQI
19th May 2025
38AQI
38AQI
20th May 2025
64AQI
64AQI
21st May 2025
52AQI
52AQI
22nd May 2025
46AQI
46AQI
23rd May 2025
45AQI
45AQI
24th May 2025
41AQI
41AQI
25th May 2025
30AQI
30AQI
26th May 2025
29AQI
29AQI
27th May 2025
27AQI
27AQI
28th May 2025
26AQI
26AQI
29th May 2025
28AQI
28AQI
30th May 2025
25AQI
25AQI
31st May 2025
18AQI
18AQI
1st June 2025
22AQI
22AQI
2nd June 2025
30AQI
30AQI
3rd June 2025
33AQI
33AQI
4th June 2025
29AQI
29AQI
5th June 2025
40AQI
40AQI
6th June 2025
46AQI
46AQI
7th June 2025
49AQI
49AQI
8th June 2025
62AQI
62AQI
9th June 2025
49AQI
49AQI
10th June 2025
38AQI
38AQI
11th June 2025
34AQI
34AQI
12th June 2025
46AQI
46AQI
13th June 2025
37AQI
37AQI
14th June 2025
36AQI
36AQI
15th June 2025
36AQI
36AQI
16th June 2025
38AQI
38AQI
17th June 2025
47AQI
47AQI
18th June 2025
41AQI
41AQI
19th June 2025
42AQI
42AQI
20th June 2025
37AQI
37AQI
21st June 2025
35AQI
35AQI
22nd June 2025
33AQI
33AQI
23rd June 2025
29AQI
29AQI
24th June 2025
30AQI
30AQI
25th June 2025
24AQI
24AQI
26th June 2025
25AQI
25AQI
27th June 2025
32AQI
32AQI
28th June 2025
33AQI
33AQI
29th June 2025
40AQI
40AQI
30th June 2025
42AQI
42AQI
1st July 2025
42AQI
42AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
47AQI
47AQI
4th July 2025
51AQI
51AQI
5th July 2025
54AQI
54AQI
6th July 2025
69AQI
69AQI
7th July 2025
78AQI
78AQI
8th July 2025
79AQI
79AQI
9th July 2025
82AQI
82AQI
10th July 2025
61AQI
61AQI
11th July 2025
47AQI
47AQI
12th July 2025
50AQI
50AQI
13th July 2025
51AQI
51AQI
14th July 2025
41AQI
41AQI
15th July 2025
39AQI
39AQI
16th July 2025
40AQI
40AQI
17th July 2025
42AQI
42AQI
18th July 2025
37AQI
37AQI
19th July 2025
34AQI
34AQI
20th July 2025
35AQI
35AQI
21st July 2025
39AQI
39AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
41AQI
41AQI
24th July 2025
40AQI
40AQI
25th July 2025
39AQI
39AQI
26th July 2025
38AQI
38AQI
27th July 2025
37AQI
37AQI
28th July 2025
38AQI
38AQI
29th July 2025
39AQI
39AQI
30th July 2025
32AQI
32AQI
31st July 2025
32AQI
32AQI
1st August 2025
33AQI
33AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
44AQI
44AQI
4th August 2025
58AQI
58AQI
38AQI
35AQI
42AQI
38AQI
34AQI
37AQI
46AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
28
3
27
1
24
7
26
4
29
2
29
1
23
8
3
1
189
27
Highest AQI recorded in
July46AQI
Lowest AQI recorded in
May34AQI
202441AQI
24
7
25
4
25
6
24
6
25
6
25
5
17
14
29
2
27
3
28
3
25
5
28
3
302
64
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
August32AQI
202342AQI
22
8
1
21
7
24
7
22
8
26
5
20
10
21
10
29
2
29
1
27
4
18
11
14
17
273
90
1
Highest AQI recorded in
December51AQI
Lowest AQI recorded in
August30AQI
202240AQI
23
8
17
4
25
6
23
7
26
5
24
6
18
3
1
25
4
23
8
18
12
25
6
248
69
Highest AQI recorded in
November47AQI
Lowest AQI recorded in
August22AQI
202139AQI
21
9
1
19
9
23
6
27
3
26
5
26
4
31
28
3
29
1
27
4
22
8
17
14
296
66
1
Highest AQI recorded in
December47AQI
Lowest AQI recorded in
April34AQI
202036AQI
11
2
20
1
18
26
4
31
24
7
19
26
5
18
11
1
6
5
1
199
35
2
Highest AQI recorded in
December58AQI
Lowest AQI recorded in
September26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
42AQILeast Polluted Year Recorded
2020(Avg.)
36AQIJoso's annual 2025 AQI (39) shows an average percentage change of -1.4% (improved AQI) compared to previous years: 2020 (36), 2021 (39), 2022 (40), 2023 (42), 2024 (41).
