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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Saijochuo, Higashi Hiroshima, Hiroshima, 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

Saijochuo, Higashi Hiroshima, Hiroshima, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
15th Aug 2024
64AQI
Lowest AQI recorded on
29th Aug 2024
16AQI

Same Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 22 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 15th Aug - 16th Aug 2026

Saijochuo, Higashi Hiroshima, Hiroshima, Japan

AQI
Day
Night
.

5 AM15th Aug 2026

7 PM

4 AM16th Aug 2026

Day time
Avg. Highest Time
6PM15th Aug

34AQI

Avg. Lowest Time
5PM15th Aug

21AQI

Night time
Avg. Highest Time
8PM15th Aug

23AQI

Avg. Lowest Time
4AM16th Aug

21AQI

In the last 24 hours,

Saijochuo's AQI reached its highest point of 34 at 6 PM during the Day, while the lowest point, 21, was recorded at 4 AM during the Night between 15th Aug and 16th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Saijochuo, Higashi Hiroshima, Hiroshima, Japan

JulAug
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026475 AMAQI
18th Jul 2026626 AMAQI
18th Jul 2026567 AMAQI
18th Jul 2026518 AMAQI
18th Jul 2026609 AMAQI
18th Jul 20267210 AMAQI
18th Jul 20268011 AMAQI
18th Jul 20265812 PMAQI
18th Jul 2026621 PMAQI
18th Jul 2026562 PMAQI
18th Jul 2026573 PMAQI
18th Jul 2026604 PMAQI
18th Jul 2026505 PMAQI
18th Jul 2026526 PMAQI
18th Jul 2026407 PMAQI
18th Jul 2026388 PMAQI
18th Jul 2026469 PMAQI
18th Jul 20263810 PMAQI
18th Jul 20264611 PMAQI
19th Jul 20264612 AMAQI
19th Jul 2026461 AMAQI
19th Jul 2026442 AMAQI
19th Jul 2026333 AMAQI
19th Jul 2026364 AMAQI

27°C24/31°C

19th Jul 2026495 AMAQI
19th Jul 2026346 AMAQI
19th Jul 2026427 AMAQI
19th Jul 2026408 AMAQI
19th Jul 2026519 AMAQI
19th Jul 20264010 AMAQI
19th Jul 20263311 AMAQI
19th Jul 20263612 PMAQI
19th Jul 2026401 PMAQI
19th Jul 2026552 PMAQI
19th Jul 2026493 PMAQI
19th Jul 2026604 PMAQI
19th Jul 2026495 PMAQI
19th Jul 2026676 PMAQI
19th Jul 2026497 PMAQI
19th Jul 2026548 PMAQI
19th Jul 2026509 PMAQI
19th Jul 20266010 PMAQI
19th Jul 20264011 PMAQI
20th Jul 20263012 AMAQI
20th Jul 2026521 AMAQI
20th Jul 2026552 AMAQI
20th Jul 2026483 AMAQI
20th Jul 2026424 AMAQI

27°C23/31°C

20th Jul 2026495 AMAQI
20th Jul 2026626 AMAQI
20th Jul 2026657 AMAQI
20th Jul 2026528 AMAQI
20th Jul 2026499 AMAQI
20th Jul 20265910 AMAQI
20th Jul 20266011 AMAQI
20th Jul 20265812 PMAQI
20th Jul 2026591 PMAQI
20th Jul 2026602 PMAQI
20th Jul 2026593 PMAQI
20th Jul 2026584 PMAQI
20th Jul 2026595 PMAQI
20th Jul 2026586 PMAQI
20th Jul 2026607 PMAQI
20th Jul 2026738 PMAQI
20th Jul 2026569 PMAQI
20th Jul 20264810 PMAQI
20th Jul 20264211 PMAQI
21st Jul 20264412 AMAQI
21st Jul 2026361 AMAQI
21st Jul 2026712 AMAQI
21st Jul 2026703 AMAQI
21st Jul 2026744 AMAQI

27°C24/31°C

21st Jul 2026765 AMAQI
21st Jul 2026796 AMAQI
21st Jul 2026787 AMAQI
21st Jul 2026728 AMAQI
21st Jul 2026719 AMAQI
21st Jul 20267610 AMAQI
21st Jul 20266911 AMAQI
21st Jul 2026741 PMAQI
21st Jul 2026692 PMAQI
21st Jul 2026713 PMAQI
21st Jul 2026674 PMAQI
21st Jul 2026685 PMAQI
21st Jul 2026676 PMAQI
21st Jul 2026947 PMAQI
21st Jul 2026698 PMAQI
21st Jul 2026609 PMAQI
21st Jul 20265110 PMAQI
21st Jul 20265311 PMAQI
22nd Jul 20265812 AMAQI
22nd Jul 2026561 AMAQI
22nd Jul 2026592 AMAQI
22nd Jul 2026583 AMAQI
22nd Jul 2026574 AMAQI

27°C24/32°C

22nd Jul 2026725 AMAQI
22nd Jul 2026716 AMAQI
22nd Jul 2026757 AMAQI
22nd Jul 2026748 AMAQI
22nd Jul 2026849 AMAQI
22nd Jul 20267410 AMAQI
22nd Jul 20267911 AMAQI
22nd Jul 20267812 PMAQI
22nd Jul 2026851 PMAQI
22nd Jul 2026872 PMAQI
22nd Jul 2026893 PMAQI
22nd Jul 2026844 PMAQI
22nd Jul 2026765 PMAQI
22nd Jul 2026806 PMAQI
22nd Jul 2026697 PMAQI
22nd Jul 2026688 PMAQI
22nd Jul 2026649 PMAQI
22nd Jul 20266410 PMAQI
22nd Jul 20266611 PMAQI
23rd Jul 20266212 AMAQI
23rd Jul 2026651 AMAQI
23rd Jul 2026602 AMAQI
23rd Jul 2026623 AMAQI
23rd Jul 2026604 AMAQI

28°C24/33°C

23rd Jul 2026625 AMAQI
23rd Jul 2026666 AMAQI
23rd Jul 2026627 AMAQI
23rd Jul 2026628 AMAQI
23rd Jul 2026629 AMAQI
23rd Jul 20267410 AMAQI
23rd Jul 20267911 AMAQI
23rd Jul 20265712 PMAQI
23rd Jul 2026621 PMAQI
23rd Jul 2026602 PMAQI
23rd Jul 2026583 PMAQI
23rd Jul 2026574 PMAQI
23rd Jul 2026685 PMAQI
23rd Jul 2026566 PMAQI
23rd Jul 2026587 PMAQI
23rd Jul 2026598 PMAQI
23rd Jul 2026629 PMAQI
23rd Jul 20265810 PMAQI
23rd Jul 20265711 PMAQI
24th Jul 20265712 AMAQI
24th Jul 2026361 AMAQI
24th Jul 2026512 AMAQI
24th Jul 2026603 AMAQI
24th Jul 2026624 AMAQI

28°C23/33°C

24th Jul 2026625 AMAQI
24th Jul 2026586 AMAQI
24th Jul 2026607 AMAQI
24th Jul 2026578 AMAQI
24th Jul 2026599 AMAQI
24th Jul 20266010 AMAQI
24th Jul 20265911 AMAQI
24th Jul 20266012 PMAQI
24th Jul 2026581 PMAQI
24th Jul 2026602 PMAQI
24th Jul 2026593 PMAQI
24th Jul 2026594 PMAQI
24th Jul 2026565 PMAQI
24th Jul 2026566 PMAQI
24th Jul 2026757 PMAQI
24th Jul 2026748 PMAQI
24th Jul 2026769 PMAQI
24th Jul 20267910 PMAQI
24th Jul 20266411 PMAQI
25th Jul 20266012 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026602 AMAQI
25th Jul 2026603 AMAQI
25th Jul 2026594 AMAQI

28°C23/34°C

25th Jul 2026585 AMAQI
25th Jul 2026586 AMAQI
25th Jul 2026597 AMAQI
25th Jul 2026578 AMAQI
25th Jul 2026599 AMAQI
25th Jul 20266010 AMAQI
25th Jul 20265611 AMAQI
25th Jul 20265412 PMAQI
25th Jul 2026571 PMAQI
25th Jul 2026572 PMAQI
25th Jul 2026553 PMAQI
25th Jul 2026594 PMAQI
25th Jul 2026565 PMAQI
25th Jul 2026546 PMAQI
25th Jul 2026557 PMAQI
25th Jul 2026538 PMAQI
25th Jul 2026519 PMAQI
25th Jul 20264410 PMAQI
25th Jul 20263611 PMAQI
26th Jul 20265112 AMAQI
26th Jul 2026271 AMAQI
26th Jul 2026272 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026254 AMAQI

28°C23/33°C

26th Jul 2026255 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262310 AMAQI
26th Jul 20264211 AMAQI
26th Jul 20264812 PMAQI
26th Jul 2026441 PMAQI
26th Jul 2026482 PMAQI
26th Jul 2026573 PMAQI
26th Jul 2026514 PMAQI
26th Jul 2026485 PMAQI
26th Jul 2026406 PMAQI
26th Jul 2026457 PMAQI
26th Jul 2026408 PMAQI
26th Jul 2026299 PMAQI
26th Jul 20265510 PMAQI
26th Jul 20264611 PMAQI
27th Jul 20264012 AMAQI
27th Jul 2026361 AMAQI
27th Jul 2026292 AMAQI
27th Jul 2026363 AMAQI
27th Jul 2026404 AMAQI

27°C23/33°C

27th Jul 2026235 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20263110 AMAQI
27th Jul 20263811 AMAQI
27th Jul 20264612 PMAQI
27th Jul 2026481 PMAQI
27th Jul 2026462 PMAQI
27th Jul 2026363 PMAQI
27th Jul 2026534 PMAQI
27th Jul 2026405 PMAQI
27th Jul 2026496 PMAQI
27th Jul 2026457 PMAQI
27th Jul 2026318 PMAQI
27th Jul 2026509 PMAQI
27th Jul 20263610 PMAQI
27th Jul 20263611 PMAQI
28th Jul 20263812 AMAQI
28th Jul 2026541 AMAQI
28th Jul 2026532 AMAQI
28th Jul 2026563 AMAQI
28th Jul 2026574 AMAQI

28°C24/33°C

28th Jul 2026555 AMAQI
28th Jul 2026566 AMAQI
28th Jul 2026547 AMAQI
28th Jul 2026568 AMAQI
28th Jul 2026539 AMAQI
28th Jul 20265410 AMAQI
28th Jul 20265411 AMAQI
28th Jul 20262912 PMAQI
28th Jul 2026381 PMAQI
28th Jul 2026482 PMAQI
28th Jul 2026563 PMAQI
28th Jul 2026294 PMAQI
28th Jul 2026295 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026297 PMAQI
28th Jul 2026298 PMAQI
28th Jul 2026319 PMAQI
28th Jul 20263110 PMAQI
28th Jul 20262911 PMAQI
29th Jul 20262912 AMAQI
29th Jul 2026331 AMAQI
29th Jul 2026212 AMAQI
29th Jul 2026233 AMAQI
29th Jul 2026324 AMAQI

27°C24/33°C

29th Jul 2026365 AMAQI
29th Jul 2026546 AMAQI
29th Jul 2026327 AMAQI
29th Jul 2026298 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20263810 AMAQI
29th Jul 20263811 AMAQI
29th Jul 20263612 PMAQI
29th Jul 2026421 PMAQI
29th Jul 2026442 PMAQI
29th Jul 2026323 PMAQI
29th Jul 2026424 PMAQI
29th Jul 2026405 PMAQI
29th Jul 2026506 PMAQI
29th Jul 2026577 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026449 PMAQI
29th Jul 20264910 PMAQI
29th Jul 20265011 PMAQI
30th Jul 20264812 AMAQI
30th Jul 2026421 AMAQI
30th Jul 2026332 AMAQI
30th Jul 2026333 AMAQI
30th Jul 2026334 AMAQI

25°C22/28°C

30th Jul 2026345 AMAQI
30th Jul 2026366 AMAQI
30th Jul 2026367 AMAQI
30th Jul 2026368 AMAQI
30th Jul 2026349 AMAQI
30th Jul 20263810 AMAQI
30th Jul 20264611 AMAQI
30th Jul 20264412 PMAQI
30th Jul 2026461 PMAQI
30th Jul 2026462 PMAQI
30th Jul 2026403 PMAQI
30th Jul 2026424 PMAQI
30th Jul 2026425 PMAQI
30th Jul 2026426 PMAQI
30th Jul 2026327 PMAQI
30th Jul 2026468 PMAQI
30th Jul 2026409 PMAQI
30th Jul 20265610 PMAQI
30th Jul 20265111 PMAQI
31st Jul 20265412 AMAQI
31st Jul 2026501 AMAQI
31st Jul 2026402 AMAQI
31st Jul 2026403 AMAQI
31st Jul 2026404 AMAQI

27°C23/32°C

31st Jul 2026525 AMAQI
31st Jul 2026536 AMAQI
31st Jul 2026487 AMAQI
31st Jul 2026528 AMAQI
31st Jul 2026589 AMAQI
31st Jul 20264710 AMAQI
31st Jul 20265011 AMAQI
31st Jul 20264412 PMAQI
31st Jul 2026291 PMAQI
31st Jul 2026362 PMAQI
31st Jul 2026423 PMAQI
31st Jul 2026404 PMAQI
31st Jul 2026365 PMAQI
31st Jul 2026346 PMAQI
31st Jul 2026447 PMAQI
31st Jul 2026428 PMAQI
31st Jul 2026319 PMAQI
31st Jul 20263610 PMAQI
31st Jul 20263611 PMAQI
1st Aug 20263812 AMAQI
1st Aug 2026551 AMAQI
1st Aug 2026532 AMAQI
1st Aug 2026493 AMAQI
1st Aug 2026484 AMAQI

27°C22/32°C

1st Aug 2026535 AMAQI
1st Aug 2026476 AMAQI
1st Aug 2026527 AMAQI
1st Aug 2026468 AMAQI
1st Aug 2026449 AMAQI
1st Aug 20264210 AMAQI
1st Aug 20265211 AMAQI
1st Aug 20265012 PMAQI
1st Aug 2026401 PMAQI
1st Aug 2026402 PMAQI
1st Aug 2026363 PMAQI
1st Aug 2026424 PMAQI
1st Aug 2026455 PMAQI
1st Aug 2026346 PMAQI
1st Aug 2026317 PMAQI
1st Aug 2026428 PMAQI
1st Aug 2026489 PMAQI
1st Aug 20264210 PMAQI
1st Aug 20264811 PMAQI
2nd Aug 20265212 AMAQI
2nd Aug 2026381 AMAQI
2nd Aug 2026452 AMAQI
2nd Aug 2026403 AMAQI
2nd Aug 2026274 AMAQI

27°C22/34°C

2nd Aug 2026425 AMAQI
2nd Aug 2026386 AMAQI
2nd Aug 2026447 AMAQI
2nd Aug 2026518 AMAQI
2nd Aug 2026499 AMAQI
2nd Aug 20265710 AMAQI
2nd Aug 20266011 AMAQI
2nd Aug 20265912 PMAQI
2nd Aug 2026551 PMAQI
2nd Aug 2026232 PMAQI
2nd Aug 2026383 PMAQI
2nd Aug 2026464 PMAQI
2nd Aug 2026475 PMAQI
2nd Aug 2026366 PMAQI
2nd Aug 2026387 PMAQI
2nd Aug 2026328 PMAQI
2nd Aug 2026389 PMAQI
2nd Aug 20264710 PMAQI
2nd Aug 20265111 PMAQI
3rd Aug 20263612 AMAQI
3rd Aug 2026441 AMAQI
3rd Aug 2026342 AMAQI
3rd Aug 2026363 AMAQI
3rd Aug 2026324 AMAQI

28°C23/35°C

3rd Aug 2026325 AMAQI
3rd Aug 2026366 AMAQI
3rd Aug 2026367 AMAQI
3rd Aug 2026318 AMAQI
3rd Aug 2026409 AMAQI
3rd Aug 20264910 AMAQI
3rd Aug 20265211 AMAQI
3rd Aug 20265312 PMAQI
3rd Aug 2026491 PMAQI
3rd Aug 2026562 PMAQI
3rd Aug 2026513 PMAQI
3rd Aug 2026544 PMAQI
3rd Aug 2026525 PMAQI
3rd Aug 2026496 PMAQI
3rd Aug 2026387 PMAQI
3rd Aug 2026368 PMAQI
3rd Aug 2026389 PMAQI
3rd Aug 20263810 PMAQI
3rd Aug 20265011 PMAQI
4th Aug 20263012 AMAQI
4th Aug 2026381 AMAQI
4th Aug 2026382 AMAQI
4th Aug 2026323 AMAQI
4th Aug 2026294 AMAQI

28°C24/33°C

4th Aug 2026345 AMAQI
4th Aug 2026506 AMAQI
4th Aug 2026367 AMAQI
4th Aug 2026368 AMAQI
4th Aug 2026369 AMAQI
4th Aug 20263810 AMAQI
4th Aug 20264611 AMAQI
4th Aug 20266212 PMAQI
4th Aug 2026401 PMAQI
4th Aug 2026312 PMAQI
4th Aug 2026483 PMAQI
4th Aug 2026544 PMAQI
4th Aug 2026505 PMAQI
4th Aug 2026386 PMAQI
4th Aug 2026447 PMAQI
4th Aug 2026408 PMAQI
4th Aug 2026539 PMAQI
4th Aug 20264610 PMAQI
4th Aug 20265311 PMAQI
5th Aug 20263012 AMAQI
5th Aug 2026511 AMAQI
5th Aug 2026442 AMAQI
5th Aug 2026313 AMAQI
5th Aug 2026364 AMAQI

27°C24/30°C

5th Aug 2026425 AMAQI
5th Aug 2026346 AMAQI
5th Aug 2026387 AMAQI
5th Aug 2026488 AMAQI
5th Aug 2026409 AMAQI
5th Aug 20263610 AMAQI
5th Aug 20262711 AMAQI
5th Aug 20263412 PMAQI
5th Aug 2026491 PMAQI
5th Aug 2026402 PMAQI
5th Aug 2026273 PMAQI
5th Aug 2026334 PMAQI
5th Aug 2026465 PMAQI
5th Aug 2026406 PMAQI
5th Aug 2026407 PMAQI
5th Aug 2026348 PMAQI
5th Aug 2026389 PMAQI
5th Aug 20264410 PMAQI
5th Aug 20265511 PMAQI
6th Aug 20264512 AMAQI
6th Aug 2026401 AMAQI
6th Aug 2026272 AMAQI
6th Aug 2026273 AMAQI
6th Aug 2026254 AMAQI

27°C24/31°C

6th Aug 2026325 AMAQI
6th Aug 2026486 AMAQI
6th Aug 2026527 AMAQI
6th Aug 2026518 AMAQI
6th Aug 2026499 AMAQI
6th Aug 20265710 AMAQI
6th Aug 20265811 AMAQI
6th Aug 20264912 PMAQI
6th Aug 2026381 PMAQI
6th Aug 2026212 PMAQI
6th Aug 2026363 PMAQI
6th Aug 2026344 PMAQI
6th Aug 2026145 PMAQI
6th Aug 2026296 PMAQI
6th Aug 2026297 PMAQI
6th Aug 2026298 PMAQI
6th Aug 2026299 PMAQI
6th Aug 20262910 PMAQI
6th Aug 20262711 PMAQI
7th Aug 20263812 AMAQI
7th Aug 2026601 AMAQI
7th Aug 2026452 AMAQI
7th Aug 2026533 AMAQI
7th Aug 2026144 AMAQI

27°C23/32°C

7th Aug 2026365 AMAQI
7th Aug 2026366 AMAQI
7th Aug 2026387 AMAQI
7th Aug 2026368 AMAQI
7th Aug 2026409 AMAQI
7th Aug 20263310 AMAQI
7th Aug 20263811 AMAQI
7th Aug 20263612 PMAQI
7th Aug 2026401 PMAQI
7th Aug 2026332 PMAQI
7th Aug 2026273 PMAQI
7th Aug 2026314 PMAQI
7th Aug 2026275 PMAQI
7th Aug 2026236 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20262510 PMAQI
7th Aug 20262311 PMAQI
8th Aug 20262312 AMAQI
8th Aug 2026211 AMAQI
8th Aug 2026252 AMAQI
8th Aug 2026253 AMAQI
8th Aug 2026254 AMAQI

28°C25/32°C

8th Aug 2026255 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026259 AMAQI
8th Aug 20262710 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026251 PMAQI
8th Aug 2026292 PMAQI
8th Aug 2026293 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026258 PMAQI
8th Aug 2026259 PMAQI
8th Aug 20262910 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026251 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026253 AMAQI
9th Aug 2026294 AMAQI

27°C23/31°C

9th Aug 2026255 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026217 AMAQI
9th Aug 2026218 AMAQI
9th Aug 2026299 AMAQI
9th Aug 20262110 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262512 PMAQI
9th Aug 2026291 PMAQI
9th Aug 2026332 PMAQI
9th Aug 2026293 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026216 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026258 PMAQI
9th Aug 2026259 PMAQI
9th Aug 20262910 PMAQI
9th Aug 20262511 PMAQI
10th Aug 20263412 AMAQI
10th Aug 2026331 AMAQI
10th Aug 2026292 AMAQI
10th Aug 2026293 AMAQI
10th Aug 2026334 AMAQI

26°C23/31°C

10th Aug 2026295 AMAQI
10th Aug 2026256 AMAQI
10th Aug 2026257 AMAQI
10th Aug 2026258 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20262312 PMAQI
10th Aug 2026271 PMAQI
10th Aug 2026312 PMAQI
10th Aug 2026273 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026215 PMAQI
10th Aug 2026236 PMAQI
10th Aug 2026237 PMAQI
10th Aug 2026238 PMAQI
10th Aug 2026239 PMAQI
10th Aug 20262310 PMAQI
10th Aug 20262311 PMAQI
11th Aug 20262312 AMAQI
11th Aug 2026231 AMAQI
11th Aug 2026252 AMAQI
11th Aug 2026213 AMAQI
11th Aug 2026234 AMAQI

26°C23/30°C

11th Aug 2026235 AMAQI
11th Aug 2026236 AMAQI
11th Aug 2026217 AMAQI
11th Aug 2026218 AMAQI
11th Aug 2026259 AMAQI
11th Aug 20262710 AMAQI
11th Aug 20263311 AMAQI
11th Aug 20262912 PMAQI
11th Aug 2026291 PMAQI
11th Aug 2026252 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026275 PMAQI
11th Aug 2026256 PMAQI
11th Aug 2026257 PMAQI
11th Aug 2026338 PMAQI
11th Aug 2026259 PMAQI
11th Aug 20262310 PMAQI
11th Aug 20262111 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026251 AMAQI
12th Aug 2026272 AMAQI
12th Aug 2026253 AMAQI
12th Aug 2026254 AMAQI

23°C19/29°C

12th Aug 2026255 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026257 AMAQI
12th Aug 2026218 AMAQI
12th Aug 2026239 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262911 AMAQI
12th Aug 20262712 PMAQI
12th Aug 2026291 PMAQI
12th Aug 2026252 PMAQI
12th Aug 2026213 PMAQI
12th Aug 2026254 PMAQI
12th Aug 2026295 PMAQI
12th Aug 2026256 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026298 PMAQI
12th Aug 2026259 PMAQI
12th Aug 20263310 PMAQI
12th Aug 20262911 PMAQI
13th Aug 20262512 AMAQI
13th Aug 2026251 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026253 AMAQI
13th Aug 2026254 AMAQI

24°C19/30°C

13th Aug 2026295 AMAQI
13th Aug 2026296 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026258 AMAQI
13th Aug 2026259 AMAQI
13th Aug 20262510 AMAQI
13th Aug 20262511 AMAQI
13th Aug 20262912 PMAQI
13th Aug 2026291 PMAQI
13th Aug 2026292 PMAQI
13th Aug 2026293 PMAQI
13th Aug 2026294 PMAQI
13th Aug 2026295 PMAQI
13th Aug 2026336 PMAQI
13th Aug 2026297 PMAQI
13th Aug 2026298 PMAQI
13th Aug 2026259 PMAQI
13th Aug 20262510 PMAQI
13th Aug 20262911 PMAQI
14th Aug 20262912 AMAQI
14th Aug 2026381 AMAQI
14th Aug 2026292 AMAQI
14th Aug 2026273 AMAQI
14th Aug 2026274 AMAQI

24°C21/28°C

14th Aug 2026305 AMAQI
14th Aug 2026256 AMAQI
14th Aug 2026277 AMAQI
14th Aug 2026298 AMAQI
14th Aug 2026259 AMAQI
14th Aug 20262210 AMAQI
14th Aug 20262111 AMAQI
14th Aug 20262412 PMAQI
14th Aug 2026231 PMAQI
14th Aug 2026232 PMAQI
14th Aug 2026253 PMAQI
14th Aug 2026254 PMAQI
14th Aug 2026255 PMAQI
14th Aug 2026256 PMAQI
14th Aug 2026257 PMAQI
14th Aug 2026258 PMAQI
14th Aug 2026259 PMAQI
14th Aug 20262310 PMAQI
14th Aug 20262511 PMAQI
15th Aug 20262312 AMAQI
15th Aug 2026271 AMAQI
15th Aug 2026252 AMAQI
15th Aug 2026243 AMAQI
15th Aug 2026254 AMAQI

25°C22/29°C

15th Aug 2026235 AMAQI
15th Aug 2026236 AMAQI
15th Aug 2026217 AMAQI
15th Aug 2026238 AMAQI
15th Aug 2026279 AMAQI
15th Aug 20262310 AMAQI
15th Aug 20262311 AMAQI
15th Aug 20262112 PMAQI
15th Aug 2026211 PMAQI
15th Aug 2026212 PMAQI
15th Aug 2026213 PMAQI
15th Aug 2026214 PMAQI
15th Aug 2026215 PMAQI
15th Aug 2026346 PMAQI
15th Aug 2026217 PMAQI
15th Aug 2026238 PMAQI
15th Aug 2026219 PMAQI
15th Aug 20262110 PMAQI
15th Aug 20262111 PMAQI
16th Aug 20262112 AMAQI
16th Aug 2026231 AMAQI
16th Aug 2026212 AMAQI
16th Aug 2026213 AMAQI
16th Aug 2026214 AMAQI

25°C21/29°C

16th Aug 2026215 AMAQI
5 AM
16th Aug 2026216 AMAQI
16th Aug 2026217 AMAQI
16th Aug 2026218 AMAQI
16th Aug 2026219 AMAQI
16th Aug 20262310 AMAQI
16th Aug 20262111 AMAQI
16th Aug 20262712 PMAQI
12 PM
16th Aug 2026231 PMAQI
16th Aug 2026212 PMAQI
16th Aug 2026253 PMAQI
16th Aug 2026234 PMAQI
16th Aug 2026255 PMAQI
16th Aug 2026236 PMAQI
16th Aug 2026237 PMAQI
7 PM
16th Aug 2026218 PMAQI
16th Aug 2026219 PMAQI
16th Aug 20262310 PMAQI
16th Aug 20262311 PMAQI
12 AM
4 AM

25°C22/29°C

Day time
Avg. Highest Time
11 AM

45AQI

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

40AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 45), while the lowest AQI was between 5 AM to 5 AM (Avg. 40).
Night time
Avg. Highest Time
8 PM - 11 PM

39AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 4 AM

38AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 39), while the lowest AQI was between 12 AM to 4 AM (Avg. 38).

2026 Days Vs Air Quality

Saijochuo, Higashi Hiroshima, Hiroshima, Japan

2026

82%

187

18%

41

Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)

Good
187 Days
Moderate
41 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 82%

Health Risk Level:

Low

In 2026, 82% of 228 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

Saijochuo, Higashi Hiroshima, Hiroshima, 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
19AQI (US)
2nd January 2026
13AQI (US)
3rd January 2026
14AQI (US)
4th January 2026
34AQI (US)
5th January 2026
37AQI (US)
6th January 2026
19AQI (US)
7th January 2026
19AQI (US)
8th January 2026
23AQI (US)
9th January 2026
17AQI (US)
10th January 2026
34AQI (US)
11th January 2026
19AQI (US)
12th January 2026
17AQI (US)
13th January 2026
30AQI (US)
14th January 2026
26AQI (US)
15th January 2026
33AQI (US)
16th January 2026
48AQI (US)
17th January 2026
43AQI (US)
18th January 2026
41AQI (US)
19th January 2026
52AQI (US)
20th January 2026
18AQI (US)
21st January 2026
9AQI (US)
22nd January 2026
25AQI (US)
23rd January 2026
53AQI (US)
24th January 2026
56AQI (US)
25th January 2026
43AQI (US)
26th January 2026
27AQI (US)
27th January 2026
41AQI (US)
28th January 2026
31AQI (US)
29th January 2026
19AQI (US)
30th January 2026
40AQI (US)
31st January 2026
30AQI (US)
1st February 2026
43AQI (US)
2nd February 2026
54AQI (US)
3rd February 2026
29AQI (US)
4th February 2026
25AQI (US)
5th February 2026
40AQI (US)
6th February 2026
28AQI (US)
7th February 2026
21AQI (US)
8th February 2026
32AQI (US)
9th February 2026
42AQI (US)
10th February 2026
49AQI (US)
11th February 2026
22AQI (US)
12th February 2026
24AQI (US)
13th February 2026
51AQI (US)
14th February 2026
61AQI (US)
15th February 2026
53AQI (US)
16th February 2026
48AQI (US)
17th February 2026
18AQI (US)
18th February 2026
16AQI (US)
19th February 2026
34AQI (US)
20th February 2026
22AQI (US)
21st February 2026
27AQI (US)
22nd February 2026
39AQI (US)
23rd February 2026
27AQI (US)
24th February 2026
26AQI (US)
25th February 2026
16AQI (US)
26th February 2026
8AQI (US)
27th February 2026
48AQI (US)
28th February 2026
46AQI (US)
1st March 2026
50AQI (US)
2nd March 2026
77AQI (US)
3rd March 2026
37AQI (US)
4th March 2026
48AQI (US)
5th March 2026
57AQI (US)
6th March 2026
52AQI (US)
7th March 2026
49AQI (US)
8th March 2026
42AQI (US)
9th March 2026
49AQI (US)
10th March 2026
54AQI (US)
11th March 2026
54AQI (US)
12th March 2026
67AQI (US)
13th March 2026
47AQI (US)
14th March 2026
44AQI (US)
15th March 2026
62AQI (US)
16th March 2026
63AQI (US)
17th March 2026
51AQI (US)
18th March 2026
56AQI (US)
19th March 2026
33AQI (US)
20th March 2026
39AQI (US)
21st March 2026
41AQI (US)
22nd March 2026
51AQI (US)
23rd March 2026
51AQI (US)
24th March 2026
47AQI (US)
25th March 2026
62AQI (US)
26th March 2026
11AQI (US)
27th March 2026
33AQI (US)
28th March 2026
52AQI (US)
29th March 2026
59AQI (US)
30th March 2026
62AQI (US)
31st March 2026
22AQI (US)
1st April 2026
8AQI (US)
2nd April 2026
54AQI (US)
3rd April 2026
49AQI (US)
4th April 2026
42AQI (US)
5th April 2026
38AQI (US)
6th April 2026
38AQI (US)
7th April 2026
25AQI (US)
8th April 2026
28AQI (US)
9th April 2026
41AQI (US)
10th April 2026
45AQI (US)
11th April 2026
34AQI (US)
12th April 2026
39AQI (US)
13th April 2026
38AQI (US)
14th April 2026
49AQI (US)
15th April 2026
39AQI (US)
16th April 2026
29AQI (US)
17th April 2026
38AQI (US)
18th April 2026
33AQI (US)
19th April 2026
38AQI (US)
20th April 2026
38AQI (US)
21st April 2026
40AQI (US)
22nd April 2026
43AQI (US)
23rd April 2026
28AQI (US)
24th April 2026
32AQI (US)
25th April 2026
44AQI (US)
26th April 2026
48AQI (US)
27th April 2026
49AQI (US)
28th April 2026
45AQI (US)
29th April 2026
39AQI (US)
30th April 2026
35AQI (US)
1st May 2026
47AQI (US)
2nd May 2026
53AQI (US)
3rd May 2026
40AQI (US)
4th May 2026
28AQI (US)
5th May 2026
24AQI (US)
6th May 2026
33AQI (US)
7th May 2026
35AQI (US)
8th May 2026
27AQI (US)
9th May 2026
28AQI (US)
10th May 2026
34AQI (US)
11th May 2026
37AQI (US)
12th May 2026
38AQI (US)
13th May 2026
43AQI (US)
14th May 2026
36AQI (US)
15th May 2026
38AQI (US)
16th May 2026
77AQI (US)
17th May 2026
64AQI (US)
18th May 2026
53AQI (US)
19th May 2026
46AQI (US)
20th May 2026
59AQI (US)
21st May 2026
65AQI (US)
22nd May 2026
71AQI (US)
23rd May 2026
61AQI (US)
24th May 2026
64AQI (US)
25th May 2026
55AQI (US)
26th May 2026
42AQI (US)
27th May 2026
24AQI (US)
28th May 2026
22AQI (US)
29th May 2026
23AQI (US)
30th May 2026
24AQI (US)
31st May 2026
27AQI (US)
1st June 2026
30AQI (US)
2nd June 2026
24AQI (US)
3rd June 2026
14AQI (US)
4th June 2026
20AQI (US)
5th June 2026
19AQI (US)
6th June 2026
22AQI (US)
7th June 2026
11AQI (US)
8th June 2026
13AQI (US)
9th June 2026
23AQI (US)
10th June 2026
22AQI (US)
11th June 2026
25AQI (US)
12th June 2026
25AQI (US)
13th June 2026
26AQI (US)
14th June 2026
23AQI (US)
15th June 2026
18AQI (US)
16th June 2026
21AQI (US)
17th June 2026
25AQI (US)
18th June 2026
26AQI (US)
19th June 2026
33AQI (US)
20th June 2026
31AQI (US)
21st June 2026
12AQI (US)
22nd June 2026
14AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
19AQI (US)
25th June 2026
19AQI (US)
26th June 2026
28AQI (US)
27th June 2026
27AQI (US)
28th June 2026
40AQI (US)
29th June 2026
32AQI (US)
30th June 2026
27AQI (US)
1st July 2026
27AQI (US)
2nd July 2026
11AQI (US)
3rd July 2026
15AQI (US)
4th July 2026
22AQI (US)
5th July 2026
14AQI (US)
6th July 2026
11AQI (US)
7th July 2026
26AQI (US)
8th July 2026
29AQI (US)
9th July 2026
14AQI (US)
10th July 2026
20AQI (US)
11th July 2026
25AQI (US)
12th July 2026
24AQI (US)
13th July 2026
33AQI (US)
14th July 2026
28AQI (US)
15th July 2026
28AQI (US)
16th July 2026
28AQI (US)
17th July 2026
36AQI (US)
18th July 2026
53AQI (US)
19th July 2026
46AQI (US)
20th July 2026
55AQI (US)
21st July 2026
68AQI (US)
22nd July 2026
72AQI (US)
23rd July 2026
62AQI (US)
24th July 2026
61AQI (US)
25th July 2026
54AQI (US)
26th July 2026
37AQI (US)
27th July 2026
37AQI (US)
28th July 2026
44AQI (US)
29th July 2026
38AQI (US)
30th July 2026
41AQI (US)
31st July 2026
43AQI (US)
1st August 2026
45AQI (US)
2nd August 2026
44AQI (US)
3rd August 2026
43AQI (US)
4th August 2026
42AQI (US)
5th August 2026
39AQI (US)
6th August 2026
36AQI (US)
7th August 2026
34AQI (US)
8th August 2026
25AQI (US)
9th August 2026
26AQI (US)
10th August 2026
26AQI (US)
11th August 2026
25AQI (US)
12th August 2026
26AQI (US)
13th August 2026
27AQI (US)
14th August 2026
26AQI (US)
15th August 2026
23AQI (US)
16th August 2026
22AQI (US)
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

30AQI (US)

34AQI (US)

49AQI (US)

38AQI (US)

43AQI (US)

23AQI (US)

36AQI (US)

32AQI (US)

No. of days

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

202636AQI (US)

28
3
24
4
15
16
29
1
21
10
30
24
7
16
187
41

Highest AQI (US) recorded in

March

49AQI (US)

Lowest AQI (US) recorded in

June

23AQI (US)

202538AQI (US)

28
3
28
25
6
29
1
26
5
23
7
18
12
1
27
4
30
21
10
27
3
30
1
312
52
1

Highest AQI (US) recorded in

July

52AQI (US)

Lowest AQI (US) recorded in

April

26AQI (US)

202439AQI (US)

31
24
5
25
6
18
12
25
6
21
9
30
1
27
4
23
7
28
3
27
3
31
310
56

Highest AQI (US) recorded in

April

49AQI (US)

Lowest AQI (US) recorded in

December

28AQI (US)

202342AQI (US)

22
8
1
27
1
19
12
17
13
22
9
16
14
23
8
29
2
27
3
25
6
22
7
25
6
274
89
1

Highest AQI (US) recorded in

April

49AQI (US)

Lowest AQI (US) recorded in

August

36AQI (US)

202243AQI (US)

26
3
17
4
22
9
20
9
12
19
20
10
15
6
1
27
1
22
9
20
10
30
1
232
81

Highest AQI (US) recorded in

May

53AQI (US)

Lowest AQI (US) recorded in

August

26AQI (US)

202142AQI (US)

23
7
21
7
24
6
1
25
5
20
11
11
19
25
6
25
6
23
7
24
7
20
10
27
4
268
95
1

Highest AQI (US) recorded in

June

53AQI (US)

Lowest AQI (US) recorded in

April

37AQI (US)

202041AQI (US)

8
5
16
5
13
5
17
13
26
5
15
15
1
17
2
27
4
22
8
24
7
185
69
1

Highest AQI (US) recorded in

August

57AQI (US)

Lowest AQI (US) recorded in

October

32AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
43AQI (US)
Least Polluted Year Recorded
2026(Avg.)
36AQI (US)

Saijochuo's annual 2026 AQI (US) (36) shows an average percentage change of -11.6% (improved AQI (US)) compared to previous years: 2020 (41), 2021 (42), 2022 (43), 2023 (42), 2024 (39), 2025 (38).