Ishioka, 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
Ishioka, Ibaraki, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
59AQILowest AQI recorded on
30th Aug 2024
12AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 54 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
Ishioka, Ibaraki, Japan
AQI
Day
Night
.
4 AM5th Aug 2025
6 PM
3 AM6th Aug 2025
Day time
Avg. Highest Time
12PM5th Aug
65AQI
Avg. Lowest Time
7AM5th Aug
45AQI
Night time
Avg. Highest Time
2AM6th Aug
48AQI
Avg. Lowest Time
11PM5th Aug
38AQI
In the last 24 hours,
Ishioka's AQI reached its highest point of 65 at 12 PM during the Day, while the lowest point, 38, was recorded at 11 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ishioka, 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 2025544 AMAQI
7th Jul 2025585 AMAQI
7th Jul 2025576 AMAQI
7th Jul 2025577 AMAQI
7th Jul 2025578 AMAQI
7th Jul 20251089 AMAQI
7th Jul 202512610 AMAQI
7th Jul 202511911 AMAQI
7th Jul 202511412 PMAQI
7th Jul 2025981 PMAQI
7th Jul 2025902 PMAQI
7th Jul 2025903 PMAQI
7th Jul 2025884 PMAQI
7th Jul 2025945 PMAQI
7th Jul 2025976 PMAQI
7th Jul 2025947 PMAQI
7th Jul 2025888 PMAQI
7th Jul 2025779 PMAQI
7th Jul 20257710 PMAQI
7th Jul 20257811 PMAQI
8th Jul 20257212 AMAQI
8th Jul 2025581 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025563 AMAQI
29°C26/35°C
8th Jul 2025594 AMAQI
8th Jul 2025665 AMAQI
8th Jul 2025666 AMAQI
8th Jul 2025667 AMAQI
8th Jul 2025668 AMAQI
8th Jul 20251089 AMAQI
8th Jul 202511710 AMAQI
8th Jul 202510611 AMAQI
8th Jul 202510012 PMAQI
8th Jul 2025891 PMAQI
8th Jul 2025842 PMAQI
8th Jul 2025863 PMAQI
8th Jul 2025874 PMAQI
8th Jul 2025835 PMAQI
8th Jul 2025856 PMAQI
8th Jul 2025857 PMAQI
8th Jul 2025828 PMAQI
8th Jul 2025779 PMAQI
8th Jul 20257810 PMAQI
8th Jul 20257711 PMAQI
9th Jul 20257412 AMAQI
9th Jul 2025631 AMAQI
9th Jul 2025622 AMAQI
9th Jul 2025623 AMAQI
30°C26/35°C
9th Jul 2025644 AMAQI
9th Jul 2025705 AMAQI
9th Jul 2025706 AMAQI
9th Jul 2025697 AMAQI
9th Jul 2025708 AMAQI
9th Jul 20251039 AMAQI
9th Jul 202511010 AMAQI
9th Jul 202511311 AMAQI
9th Jul 202511212 PMAQI
9th Jul 20251031 PMAQI
9th Jul 20251022 PMAQI
9th Jul 20251053 PMAQI
9th Jul 2025984 PMAQI
9th Jul 2025795 PMAQI
9th Jul 2025646 PMAQI
9th Jul 2025577 PMAQI
9th Jul 2025568 PMAQI
9th Jul 2025589 PMAQI
9th Jul 20255710 PMAQI
9th Jul 20255511 PMAQI
10th Jul 20255812 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025682 AMAQI
10th Jul 2025663 AMAQI
30°C26/36°C
10th Jul 2025694 AMAQI
10th Jul 2025745 AMAQI
10th Jul 2025746 AMAQI
10th Jul 2025747 AMAQI
10th Jul 2025748 AMAQI
10th Jul 2025509 AMAQI
10th Jul 20255210 AMAQI
10th Jul 20256011 AMAQI
10th Jul 20255912 PMAQI
10th Jul 2025561 PMAQI
10th Jul 2025562 PMAQI
10th Jul 2025543 PMAQI
10th Jul 2025454 PMAQI
10th Jul 2025385 PMAQI
10th Jul 2025276 PMAQI
10th Jul 2025257 PMAQI
10th Jul 2025378 PMAQI
10th Jul 2025559 PMAQI
10th Jul 20255610 PMAQI
10th Jul 20255611 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025661 AMAQI
11th Jul 2025682 AMAQI
11th Jul 2025683 AMAQI
26°C21/33°C
11th Jul 2025674 AMAQI
11th Jul 2025655 AMAQI
11th Jul 2025656 AMAQI
11th Jul 2025667 AMAQI
11th Jul 2025668 AMAQI
11th Jul 2025289 AMAQI
11th Jul 20251610 AMAQI
11th Jul 20251611 AMAQI
11th Jul 20251812 PMAQI
11th Jul 2025241 PMAQI
11th Jul 2025242 PMAQI
11th Jul 2025213 PMAQI
11th Jul 2025264 PMAQI
11th Jul 2025275 PMAQI
11th Jul 2025276 PMAQI
11th Jul 2025307 PMAQI
11th Jul 2025378 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255510 PMAQI
11th Jul 20255511 PMAQI
12th Jul 20255712 AMAQI
12th Jul 2025641 AMAQI
12th Jul 2025642 AMAQI
12th Jul 2025653 AMAQI
22°C20/25°C
12th Jul 2025634 AMAQI
12th Jul 2025585 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025588 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20253610 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20253112 PMAQI
12th Jul 2025351 PMAQI
12th Jul 2025372 PMAQI
12th Jul 2025333 PMAQI
12th Jul 2025334 PMAQI
12th Jul 2025355 PMAQI
12th Jul 2025316 PMAQI
12th Jul 2025347 PMAQI
12th Jul 2025388 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025602 AMAQI
13th Jul 2025603 AMAQI
22°C20/25°C
13th Jul 2025594 AMAQI
13th Jul 2025575 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025577 AMAQI
13th Jul 2025578 AMAQI
13th Jul 2025489 AMAQI
13th Jul 20254010 AMAQI
13th Jul 20254411 AMAQI
13th Jul 20254212 PMAQI
13th Jul 2025441 PMAQI
13th Jul 2025432 PMAQI
13th Jul 2025423 PMAQI
13th Jul 2025424 PMAQI
13th Jul 2025385 PMAQI
13th Jul 2025366 PMAQI
13th Jul 2025337 PMAQI
13th Jul 2025348 PMAQI
13th Jul 2025469 PMAQI
13th Jul 20254210 PMAQI
13th Jul 20254111 PMAQI
14th Jul 20254512 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025572 AMAQI
14th Jul 2025573 AMAQI
25°C21/30°C
14th Jul 2025564 AMAQI
14th Jul 2025555 AMAQI
14th Jul 2025556 AMAQI
14th Jul 2025557 AMAQI
14th Jul 2025558 AMAQI
14th Jul 2025269 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20251612 PMAQI
14th Jul 2025261 PMAQI
14th Jul 2025232 PMAQI
14th Jul 2025233 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025185 PMAQI
14th Jul 2025206 PMAQI
14th Jul 2025257 PMAQI
14th Jul 2025358 PMAQI
14th Jul 2025409 PMAQI
14th Jul 20253810 PMAQI
14th Jul 20254111 PMAQI
15th Jul 20254412 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025553 AMAQI
25°C23/28°C
15th Jul 2025544 AMAQI
15th Jul 2025525 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025269 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20252011 AMAQI
15th Jul 20251912 PMAQI
15th Jul 2025201 PMAQI
15th Jul 2025182 PMAQI
15th Jul 2025193 PMAQI
15th Jul 2025224 PMAQI
15th Jul 2025205 PMAQI
15th Jul 2025226 PMAQI
15th Jul 2025227 PMAQI
15th Jul 2025258 PMAQI
15th Jul 2025389 PMAQI
15th Jul 20253810 PMAQI
15th Jul 20253711 PMAQI
16th Jul 20254012 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
26°C25/27°C
16th Jul 2025514 AMAQI
16th Jul 2025485 AMAQI
16th Jul 2025486 AMAQI
16th Jul 2025497 AMAQI
16th Jul 2025488 AMAQI
16th Jul 2025469 AMAQI
16th Jul 20254010 AMAQI
16th Jul 20253011 AMAQI
16th Jul 20252512 PMAQI
16th Jul 2025221 PMAQI
16th Jul 2025192 PMAQI
16th Jul 2025203 PMAQI
16th Jul 2025224 PMAQI
16th Jul 2025205 PMAQI
16th Jul 2025206 PMAQI
16th Jul 2025197 PMAQI
16th Jul 2025268 PMAQI
16th Jul 2025379 PMAQI
16th Jul 20253410 PMAQI
16th Jul 20253511 PMAQI
17th Jul 20254012 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025513 AMAQI
26°C24/27°C
17th Jul 2025504 AMAQI
17th Jul 2025475 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025477 AMAQI
17th Jul 2025468 AMAQI
17th Jul 2025359 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20253511 AMAQI
17th Jul 20253612 PMAQI
17th Jul 2025391 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025263 PMAQI
17th Jul 2025314 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025376 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025398 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20253911 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025491 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
28°C25/32°C
18th Jul 2025484 AMAQI
18th Jul 2025455 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025457 AMAQI
18th Jul 2025448 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253210 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20252612 PMAQI
18th Jul 2025241 PMAQI
18th Jul 2025242 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025294 PMAQI
18th Jul 2025235 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025318 PMAQI
18th Jul 2025369 PMAQI
18th Jul 20253510 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253612 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025472 AMAQI
19th Jul 2025463 AMAQI
27°C24/32°C
19th Jul 2025464 AMAQI
19th Jul 2025425 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025349 AMAQI
19th Jul 20253010 AMAQI
19th Jul 20252711 AMAQI
19th Jul 20252212 PMAQI
19th Jul 2025241 PMAQI
19th Jul 2025232 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025216 PMAQI
19th Jul 2025227 PMAQI
19th Jul 2025248 PMAQI
19th Jul 2025339 PMAQI
19th Jul 20253310 PMAQI
19th Jul 20253211 PMAQI
20th Jul 20253312 AMAQI
20th Jul 2025421 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025443 AMAQI
28°C24/33°C
20th Jul 2025434 AMAQI
20th Jul 2025415 AMAQI
20th Jul 2025406 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025339 AMAQI
20th Jul 20252410 AMAQI
20th Jul 20253111 AMAQI
20th Jul 20253412 PMAQI
20th Jul 2025361 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025223 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025255 PMAQI
20th Jul 2025256 PMAQI
20th Jul 2025247 PMAQI
20th Jul 2025268 PMAQI
20th Jul 2025329 PMAQI
20th Jul 20253210 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253512 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025413 AMAQI
29°C25/34°C
21st Jul 2025404 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025309 AMAQI
21st Jul 20253310 AMAQI
21st Jul 20254411 AMAQI
21st Jul 20254812 PMAQI
21st Jul 2025461 PMAQI
21st Jul 2025512 PMAQI
21st Jul 2025533 PMAQI
21st Jul 2025504 PMAQI
21st Jul 2025515 PMAQI
21st Jul 2025516 PMAQI
21st Jul 2025487 PMAQI
21st Jul 2025388 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253410 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20253412 AMAQI
22nd Jul 2025391 AMAQI
22nd Jul 2025392 AMAQI
22nd Jul 2025383 AMAQI
29°C25/36°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 20253510 AMAQI
22nd Jul 20253811 AMAQI
22nd Jul 20254312 PMAQI
22nd Jul 2025461 PMAQI
22nd Jul 2025482 PMAQI
22nd Jul 2025483 PMAQI
22nd Jul 2025524 PMAQI
22nd Jul 2025515 PMAQI
22nd Jul 2025456 PMAQI
22nd Jul 2025457 PMAQI
22nd Jul 2025358 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253010 PMAQI
22nd Jul 20253011 PMAQI
23rd Jul 20253212 AMAQI
23rd Jul 2025381 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025393 AMAQI
30°C25/36°C
23rd Jul 2025384 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025397 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025319 AMAQI
23rd Jul 20253610 AMAQI
23rd Jul 20254811 AMAQI
23rd Jul 20255212 PMAQI
23rd Jul 2025541 PMAQI
23rd Jul 2025542 PMAQI
23rd Jul 2025553 PMAQI
23rd Jul 2025564 PMAQI
23rd Jul 2025585 PMAQI
23rd Jul 2025526 PMAQI
23rd Jul 2025427 PMAQI
23rd Jul 2025398 PMAQI
23rd Jul 2025379 PMAQI
23rd Jul 20253310 PMAQI
23rd Jul 20253311 PMAQI
24th Jul 20253212 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025393 AMAQI
30°C25/37°C
24th Jul 2025404 AMAQI
24th Jul 2025415 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025389 AMAQI
24th Jul 20254210 AMAQI
24th Jul 20255111 AMAQI
24th Jul 20255212 PMAQI
24th Jul 2025501 PMAQI
24th Jul 2025502 PMAQI
24th Jul 2025473 PMAQI
24th Jul 2025484 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025516 PMAQI
24th Jul 2025447 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20253311 PMAQI
25th Jul 20253412 AMAQI
25th Jul 2025361 AMAQI
25th Jul 2025382 AMAQI
25th Jul 2025383 AMAQI
30°C25/37°C
25th Jul 2025404 AMAQI
25th Jul 2025415 AMAQI
25th Jul 2025426 AMAQI
25th Jul 2025417 AMAQI
25th Jul 2025418 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20253410 AMAQI
25th Jul 20255011 AMAQI
25th Jul 20255012 PMAQI
25th Jul 2025541 PMAQI
25th Jul 2025552 PMAQI
25th Jul 2025553 PMAQI
25th Jul 2025584 PMAQI
25th Jul 2025545 PMAQI
25th Jul 2025436 PMAQI
25th Jul 2025347 PMAQI
25th Jul 2025348 PMAQI
25th Jul 2025329 PMAQI
25th Jul 20253310 PMAQI
25th Jul 20253011 PMAQI
26th Jul 20253112 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025382 AMAQI
26th Jul 2025393 AMAQI
31°C26/37°C
26th Jul 2025394 AMAQI
26th Jul 2025425 AMAQI
26th Jul 2025416 AMAQI
26th Jul 2025417 AMAQI
26th Jul 2025428 AMAQI
26th Jul 2025349 AMAQI
26th Jul 20253810 AMAQI
26th Jul 20254111 AMAQI
26th Jul 20255112 PMAQI
26th Jul 2025541 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025583 PMAQI
26th Jul 2025564 PMAQI
26th Jul 2025565 PMAQI
26th Jul 2025416 PMAQI
26th Jul 2025307 PMAQI
26th Jul 2025328 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253310 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20253012 AMAQI
27th Jul 2025381 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025393 AMAQI
31°C26/38°C
27th Jul 2025404 AMAQI
27th Jul 2025405 AMAQI
27th Jul 2025416 AMAQI
27th Jul 2025427 AMAQI
27th Jul 2025418 AMAQI
27th Jul 2025339 AMAQI
27th Jul 20253710 AMAQI
27th Jul 20254011 AMAQI
27th Jul 20254712 PMAQI
27th Jul 2025511 PMAQI
27th Jul 2025502 PMAQI
27th Jul 2025443 PMAQI
27th Jul 2025454 PMAQI
27th Jul 2025405 PMAQI
27th Jul 2025376 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025309 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253011 PMAQI
28th Jul 20253112 AMAQI
28th Jul 2025381 AMAQI
28th Jul 2025382 AMAQI
28th Jul 2025393 AMAQI
30°C26/38°C
28th Jul 2025384 AMAQI
28th Jul 2025405 AMAQI
28th Jul 2025396 AMAQI
28th Jul 2025407 AMAQI
28th Jul 2025408 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20253511 AMAQI
28th Jul 20254612 PMAQI
28th Jul 2025451 PMAQI
28th Jul 2025392 PMAQI
28th Jul 2025413 PMAQI
28th Jul 2025484 PMAQI
28th Jul 2025495 PMAQI
28th Jul 2025436 PMAQI
28th Jul 2025387 PMAQI
28th Jul 2025368 PMAQI
28th Jul 2025379 PMAQI
28th Jul 20253910 PMAQI
28th Jul 20253611 PMAQI
29th Jul 20253412 AMAQI
29th Jul 2025381 AMAQI
29th Jul 2025392 AMAQI
29th Jul 2025383 AMAQI
31°C26/37°C
29th Jul 2025404 AMAQI
29th Jul 2025395 AMAQI
29th Jul 2025386 AMAQI
29th Jul 2025387 AMAQI
29th Jul 2025388 AMAQI
29th Jul 2025419 AMAQI
29th Jul 20255010 AMAQI
29th Jul 20254811 AMAQI
29th Jul 20255212 PMAQI
29th Jul 2025501 PMAQI
29th Jul 2025462 PMAQI
29th Jul 2025443 PMAQI
29th Jul 2025354 PMAQI
29th Jul 2025255 PMAQI
29th Jul 2025196 PMAQI
29th Jul 2025197 PMAQI
29th Jul 2025218 PMAQI
29th Jul 2025309 PMAQI
29th Jul 20252910 PMAQI
29th Jul 20252811 PMAQI
30th Jul 20252812 AMAQI
30th Jul 2025381 AMAQI
30th Jul 2025392 AMAQI
30th Jul 2025393 AMAQI
30°C26/36°C
30th Jul 2025394 AMAQI
30th Jul 2025415 AMAQI
30th Jul 2025406 AMAQI
30th Jul 2025417 AMAQI
30th Jul 2025408 AMAQI
30th Jul 2025289 AMAQI
30th Jul 20252610 AMAQI
30th Jul 20252711 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025201 PMAQI
30th Jul 2025222 PMAQI
30th Jul 2025303 PMAQI
30th Jul 2025314 PMAQI
30th Jul 2025385 PMAQI
30th Jul 2025366 PMAQI
30th Jul 2025387 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025379 PMAQI
30th Jul 20253610 PMAQI
30th Jul 20253411 PMAQI
31st Jul 20253612 AMAQI
31st Jul 2025371 AMAQI
31st Jul 2025372 AMAQI
31st Jul 2025383 AMAQI
28°C24/33°C
31st Jul 2025364 AMAQI
31st Jul 2025365 AMAQI
31st Jul 2025366 AMAQI
31st Jul 2025367 AMAQI
31st Jul 2025368 AMAQI
31st Jul 2025369 AMAQI
31st Jul 20253610 AMAQI
31st Jul 20253211 AMAQI
31st Jul 20253212 PMAQI
31st Jul 2025321 PMAQI
31st Jul 2025262 PMAQI
31st Jul 2025253 PMAQI
31st Jul 2025244 PMAQI
31st Jul 2025245 PMAQI
31st Jul 2025226 PMAQI
31st Jul 2025277 PMAQI
31st Jul 2025308 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20253310 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025331 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025373 AMAQI
27°C23/31°C
1st Aug 2025374 AMAQI
1st Aug 2025365 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025388 AMAQI
1st Aug 2025379 AMAQI
1st Aug 20253410 AMAQI
1st Aug 20253811 AMAQI
1st Aug 20254312 PMAQI
1st Aug 2025341 PMAQI
1st Aug 2025322 PMAQI
1st Aug 2025283 PMAQI
1st Aug 2025424 PMAQI
1st Aug 2025345 PMAQI
1st Aug 2025416 PMAQI
1st Aug 2025247 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253210 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252812 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025393 AMAQI
27°C24/31°C
2nd Aug 2025394 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025329 AMAQI
2nd Aug 20253510 AMAQI
2nd Aug 20254311 AMAQI
2nd Aug 20252612 PMAQI
2nd Aug 2025361 PMAQI
2nd Aug 2025482 PMAQI
2nd Aug 2025483 PMAQI
2nd Aug 2025404 PMAQI
2nd Aug 2025405 PMAQI
2nd Aug 2025436 PMAQI
2nd Aug 2025507 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253410 PMAQI
2nd Aug 20253911 PMAQI
3rd Aug 20253112 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025383 AMAQI
30°C25/36°C
3rd Aug 2025394 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025397 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025419 AMAQI
3rd Aug 20255010 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20255612 PMAQI
3rd Aug 2025501 PMAQI
3rd Aug 2025532 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025464 PMAQI
3rd Aug 2025465 PMAQI
3rd Aug 2025506 PMAQI
3rd Aug 2025467 PMAQI
3rd Aug 2025428 PMAQI
3rd Aug 2025379 PMAQI
3rd Aug 20253810 PMAQI
3rd Aug 20253611 PMAQI
4th Aug 20253412 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
30°C26/34°C
4th Aug 2025404 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025407 AMAQI
4th Aug 2025428 AMAQI
4th Aug 2025569 AMAQI
4th Aug 20256010 AMAQI
4th Aug 20257011 AMAQI
4th Aug 20257412 PMAQI
4th Aug 2025701 PMAQI
4th Aug 2025762 PMAQI
4th Aug 2025743 PMAQI
4th Aug 2025784 PMAQI
4th Aug 2025875 PMAQI
4th Aug 2025726 PMAQI
4th Aug 2025697 PMAQI
4th Aug 2025648 PMAQI
4th Aug 2025579 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20254812 AMAQI
5th Aug 2025411 AMAQI
5th Aug 2025402 AMAQI
5th Aug 2025403 AMAQI
30°C26/37°C
5th Aug 2025484 AMAQI
5th Aug 2025505 AMAQI
5th Aug 2025466 AMAQI
5th Aug 2025457 AMAQI
5th Aug 2025518 AMAQI
5th Aug 2025569 AMAQI
5th Aug 20255710 AMAQI
5th Aug 20255711 AMAQI
5th Aug 20256512 PMAQI
5th Aug 2025551 PMAQI
5th Aug 2025532 PMAQI
5th Aug 2025523 PMAQI
5th Aug 2025554 PMAQI
5th Aug 2025495 PMAQI
5th Aug 2025546 PMAQI
5th Aug 2025407 PMAQI
5th Aug 2025428 PMAQI
5th Aug 2025459 PMAQI
5th Aug 20254310 PMAQI
5th Aug 20253811 PMAQI
6th Aug 20253912 AMAQI
6th Aug 2025441 AMAQI
6th Aug 2025482 AMAQI
6th Aug 2025483 AMAQI
32°C27/39°C
6th Aug 2025514 AMAQI
4 AM6th Aug 2025515 AMAQI
6th Aug 2025506 AMAQI
6th Aug 2025517 AMAQI
6th Aug 2025508 AMAQI
6th Aug 2025409 AMAQI
6th Aug 20254510 AMAQI
6th Aug 20253711 AMAQI
11 AM6th Aug 20254812 PMAQI
6th Aug 2025481 PMAQI
6th Aug 2025552 PMAQI
6th Aug 2025463 PMAQI
6th Aug 2025424 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
47AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
6 PM
41AQI
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. 47), while the lowest AQI was between 6 PM to 6 PM (Avg. 41).
Night time
Avg. Highest Time
1 AM - 3 AM
46AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
7 PM - 8 PM
39AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 46), while the lowest AQI was between 7 PM to 8 PM (Avg. 39).
2025 Days Vs Air Quality
Ishioka, Ibaraki, Japan
2025
88%
190
12%
26
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
190 DaysModerate
26 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
Ishioka, 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
32AQI
32AQI
2nd January 2025
31AQI
31AQI
3rd January 2025
25AQI
25AQI
4th January 2025
27AQI
27AQI
5th January 2025
37AQI
37AQI
6th January 2025
62AQI
62AQI
7th January 2025
35AQI
35AQI
8th January 2025
41AQI
41AQI
9th January 2025
30AQI
30AQI
10th January 2025
32AQI
32AQI
11th January 2025
30AQI
30AQI
12th January 2025
38AQI
38AQI
13th January 2025
30AQI
30AQI
14th January 2025
39AQI
39AQI
15th January 2025
34AQI
34AQI
16th January 2025
37AQI
37AQI
17th January 2025
30AQI
30AQI
18th January 2025
36AQI
36AQI
19th January 2025
53AQI
53AQI
20th January 2025
46AQI
46AQI
21st January 2025
46AQI
46AQI
22nd January 2025
42AQI
42AQI
23rd January 2025
46AQI
46AQI
24th January 2025
42AQI
42AQI
25th January 2025
42AQI
42AQI
26th January 2025
34AQI
34AQI
27th January 2025
38AQI
38AQI
28th January 2025
39AQI
39AQI
29th January 2025
31AQI
31AQI
30th January 2025
33AQI
33AQI
31st January 2025
28AQI
28AQI
1st February 2025
38AQI
38AQI
2nd February 2025
30AQI
30AQI
3rd February 2025
37AQI
37AQI
4th February 2025
30AQI
30AQI
5th February 2025
33AQI
33AQI
6th February 2025
29AQI
29AQI
7th February 2025
31AQI
31AQI
8th February 2025
30AQI
30AQI
9th February 2025
30AQI
30AQI
10th February 2025
30AQI
30AQI
11th February 2025
31AQI
31AQI
12th February 2025
44AQI
44AQI
13th February 2025
41AQI
41AQI
14th February 2025
35AQI
35AQI
15th February 2025
39AQI
39AQI
16th February 2025
39AQI
39AQI
17th February 2025
38AQI
38AQI
18th February 2025
32AQI
32AQI
19th February 2025
30AQI
30AQI
20th February 2025
30AQI
30AQI
21st February 2025
31AQI
31AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
32AQI
32AQI
24th February 2025
32AQI
32AQI
25th February 2025
34AQI
34AQI
26th February 2025
37AQI
37AQI
27th February 2025
41AQI
41AQI
28th February 2025
51AQI
51AQI
1st March 2025
47AQI
47AQI
2nd March 2025
62AQI
62AQI
3rd March 2025
36AQI
36AQI
4th March 2025
40AQI
40AQI
5th March 2025
26AQI
26AQI
6th March 2025
33AQI
33AQI
7th March 2025
31AQI
31AQI
8th March 2025
35AQI
35AQI
9th March 2025
33AQI
33AQI
10th March 2025
39AQI
39AQI
11th March 2025
39AQI
39AQI
12th March 2025
47AQI
47AQI
13th March 2025
39AQI
39AQI
14th March 2025
38AQI
38AQI
15th March 2025
35AQI
35AQI
16th March 2025
23AQI
23AQI
17th March 2025
20AQI
20AQI
18th March 2025
26AQI
26AQI
19th March 2025
19AQI
19AQI
20th March 2025
26AQI
26AQI
21st March 2025
42AQI
42AQI
22nd March 2025
51AQI
51AQI
23rd March 2025
52AQI
52AQI
24th March 2025
50AQI
50AQI
25th March 2025
73AQI
73AQI
26th March 2025
71AQI
71AQI
27th March 2025
70AQI
70AQI
28th March 2025
45AQI
45AQI
29th March 2025
40AQI
40AQI
30th March 2025
37AQI
37AQI
31st March 2025
34AQI
34AQI
1st April 2025
26AQI
26AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
21AQI
21AQI
4th April 2025
23AQI
23AQI
5th April 2025
28AQI
28AQI
6th April 2025
27AQI
27AQI
7th April 2025
34AQI
34AQI
8th April 2025
40AQI
40AQI
9th April 2025
32AQI
32AQI
10th April 2025
49AQI
49AQI
11th April 2025
44AQI
44AQI
12th April 2025
38AQI
38AQI
13th April 2025
31AQI
31AQI
14th April 2025
42AQI
42AQI
15th April 2025
28AQI
28AQI
16th April 2025
32AQI
32AQI
17th April 2025
44AQI
44AQI
18th April 2025
53AQI
53AQI
19th April 2025
62AQI
62AQI
20th April 2025
52AQI
52AQI
21st April 2025
47AQI
47AQI
22nd April 2025
50AQI
50AQI
23rd April 2025
29AQI
29AQI
24th April 2025
40AQI
40AQI
25th April 2025
42AQI
42AQI
26th April 2025
48AQI
48AQI
27th April 2025
52AQI
52AQI
28th April 2025
51AQI
51AQI
29th April 2025
37AQI
37AQI
30th April 2025
46AQI
46AQI
1st May 2025
38AQI
38AQI
2nd May 2025
30AQI
30AQI
3rd May 2025
33AQI
33AQI
4th May 2025
38AQI
38AQI
5th May 2025
34AQI
34AQI
6th May 2025
31AQI
31AQI
7th May 2025
26AQI
26AQI
8th May 2025
32AQI
32AQI
9th May 2025
30AQI
30AQI
10th May 2025
23AQI
23AQI
11th May 2025
30AQI
30AQI
12th May 2025
22AQI
22AQI
13th May 2025
36AQI
36AQI
14th May 2025
33AQI
33AQI
15th May 2025
38AQI
38AQI
16th May 2025
44AQI
44AQI
17th May 2025
27AQI
27AQI
18th May 2025
49AQI
49AQI
19th May 2025
38AQI
38AQI
20th May 2025
65AQI
65AQI
21st May 2025
51AQI
51AQI
22nd May 2025
51AQI
51AQI
23rd May 2025
45AQI
45AQI
24th May 2025
42AQI
42AQI
25th May 2025
30AQI
30AQI
26th May 2025
30AQI
30AQI
27th May 2025
25AQI
25AQI
28th May 2025
25AQI
25AQI
29th May 2025
29AQI
29AQI
30th May 2025
23AQI
23AQI
31st May 2025
17AQI
17AQI
1st June 2025
21AQI
21AQI
2nd June 2025
30AQI
30AQI
3rd June 2025
30AQI
30AQI
4th June 2025
28AQI
28AQI
5th June 2025
41AQI
41AQI
6th June 2025
46AQI
46AQI
7th June 2025
51AQI
51AQI
8th June 2025
60AQI
60AQI
9th June 2025
48AQI
48AQI
10th June 2025
42AQI
42AQI
11th June 2025
34AQI
34AQI
12th June 2025
46AQI
46AQI
13th June 2025
39AQI
39AQI
14th June 2025
36AQI
36AQI
15th June 2025
33AQI
33AQI
16th June 2025
36AQI
36AQI
17th June 2025
45AQI
45AQI
18th June 2025
41AQI
41AQI
19th June 2025
40AQI
40AQI
20th June 2025
36AQI
36AQI
21st June 2025
34AQI
34AQI
22nd June 2025
23AQI
23AQI
23rd June 2025
27AQI
27AQI
24th June 2025
28AQI
28AQI
25th June 2025
24AQI
24AQI
26th June 2025
26AQI
26AQI
27th June 2025
33AQI
33AQI
28th June 2025
33AQI
33AQI
29th June 2025
40AQI
40AQI
30th June 2025
45AQI
45AQI
1st July 2025
43AQI
43AQI
2nd July 2025
50AQI
50AQI
3rd July 2025
47AQI
47AQI
4th July 2025
47AQI
47AQI
5th July 2025
57AQI
57AQI
6th July 2025
70AQI
70AQI
7th July 2025
80AQI
80AQI
8th July 2025
78AQI
78AQI
9th July 2025
75AQI
75AQI
10th July 2025
56AQI
56AQI
11th July 2025
45AQI
45AQI
12th July 2025
47AQI
47AQI
13th July 2025
47AQI
47AQI
14th July 2025
37AQI
37AQI
15th July 2025
36AQI
36AQI
16th July 2025
36AQI
36AQI
17th July 2025
41AQI
41AQI
18th July 2025
36AQI
36AQI
19th July 2025
33AQI
33AQI
20th July 2025
33AQI
33AQI
21st July 2025
41AQI
41AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
42AQI
42AQI
24th July 2025
42AQI
42AQI
25th July 2025
41AQI
41AQI
26th July 2025
41AQI
41AQI
27th July 2025
38AQI
38AQI
28th July 2025
39AQI
39AQI
29th July 2025
35AQI
35AQI
30th July 2025
35AQI
35AQI
31st July 2025
32AQI
32AQI
1st August 2025
34AQI
34AQI
2nd August 2025
39AQI
39AQI
3rd August 2025
42AQI
42AQI
4th August 2025
54AQI
54AQI
37AQI
35AQI
41AQI
39AQI
34AQI
37AQI
46AQI
42AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
29
2
27
1
25
6
25
5
28
3
28
2
25
6
3
1
190
26
Highest AQI recorded in
July46AQI
Lowest AQI recorded in
May34AQI
202437AQI
28
3
24
5
23
8
23
7
27
4
28
2
18
13
30
1
27
3
30
1
25
5
29
2
312
54
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
August28AQI
202338AQI
28
2
1
24
4
28
3
23
7
27
4
23
7
29
2
30
1
30
29
2
24
5
23
8
318
45
1
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
August32AQI
202236AQI
31
21
29
2
15
3
28
3
23
7
20
2
1
28
28
3
29
1
30
1
283
22
Highest AQI recorded in
April42AQI
Lowest AQI recorded in
August27AQI
202133AQI
27
4
24
4
23
5
30
29
2
26
4
31
29
2
30
31
29
1
29
2
338
24
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
April28AQI
202035AQI
9
2
21
17
1
25
5
31
25
6
19
29
2
12
5
5
3
193
24
Highest AQI recorded in
December48AQI
Lowest AQI recorded in
September28AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
38AQILeast Polluted Year Recorded
2021(Avg.)
33AQIIshioka's annual 2025 AQI (38) shows an average percentage change of 6.9% (worsened AQI) compared to previous years: 2020 (35), 2021 (33), 2022 (36), 2023 (38), 2024 (37).
