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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Hidaka, Saitama, 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+

June Air Quality Analysis

Hidaka, Saitama, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
30th Jun 2022
79AQI
Lowest AQI recorded on
3rd Jun 2026
11AQI

Same Day Analysis (4th June):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 20 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026

Hidaka, Saitama, Japan

AQI
Day
Night
.

4 AM3rd Jun 2026

6 PM

3 AM4th Jun 2026

Day time
Avg. Highest Time
5AM3rd Jun

17AQI

Avg. Lowest Time
6PM3rd Jun

8AQI

Night time
Avg. Highest Time
10PM3rd Jun

21AQI

Avg. Lowest Time
11PM3rd Jun

8AQI

In the last 24 hours,

Hidaka's AQI reached its highest point of 21 at 10 PM during the Night, while the lowest point, 8, was recorded at 11 PM during the Night between 3rd Jun and 4th Jun 2026.

Day & Night AQI Trend : May - Jun 2026

Hidaka, Saitama, Japan

MayJun
06th - 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 - 04th04th
Day
Night
6th May 2026514 AMAQI
6th May 2026385 AMAQI
6th May 2026386 AMAQI
6th May 2026547 AMAQI
6th May 2026408 AMAQI
6th May 2026589 AMAQI
6th May 20265810 AMAQI
6th May 20266011 AMAQI
6th May 20265012 PMAQI
6th May 2026221 PMAQI
6th May 2026212 PMAQI
6th May 2026223 PMAQI
6th May 2026224 PMAQI
6th May 2026235 PMAQI
6th May 2026266 PMAQI
6th May 2026247 PMAQI
6th May 2026258 PMAQI
6th May 2026369 PMAQI
6th May 20262410 PMAQI
6th May 20262411 PMAQI
7th May 20264212 AMAQI
7th May 2026511 AMAQI
7th May 2026502 AMAQI
7th May 2026563 AMAQI

17°C12/21°C

7th May 2026564 AMAQI
7th May 2026465 AMAQI
7th May 2026366 AMAQI
7th May 2026407 AMAQI
7th May 2026368 AMAQI
7th May 2026429 AMAQI
7th May 20265210 AMAQI
7th May 20264011 AMAQI
7th May 20262312 PMAQI
7th May 2026221 PMAQI
7th May 2026242 PMAQI
7th May 2026263 PMAQI
7th May 2026234 PMAQI
7th May 2026245 PMAQI
7th May 2026246 PMAQI
7th May 2026247 PMAQI
7th May 2026208 PMAQI
7th May 2026209 PMAQI
7th May 20262610 PMAQI
7th May 20262911 PMAQI
8th May 20262412 AMAQI
8th May 2026251 AMAQI
8th May 2026272 AMAQI
8th May 2026293 AMAQI

21°C15/26°C

8th May 2026264 AMAQI
8th May 2026405 AMAQI
8th May 2026386 AMAQI
8th May 2026227 AMAQI
8th May 2026218 AMAQI
8th May 2026349 AMAQI
8th May 20264810 AMAQI
8th May 20263411 AMAQI
8th May 20262812 PMAQI
8th May 2026231 PMAQI
8th May 2026252 PMAQI
8th May 2026223 PMAQI
8th May 2026234 PMAQI
8th May 2026225 PMAQI
8th May 2026246 PMAQI
8th May 2026217 PMAQI
8th May 2026228 PMAQI
8th May 2026219 PMAQI
8th May 20263210 PMAQI
8th May 20263111 PMAQI
9th May 20263212 AMAQI
9th May 2026241 AMAQI
9th May 2026342 AMAQI
9th May 2026323 AMAQI

22°C18/27°C

9th May 2026504 AMAQI
9th May 2026225 AMAQI
9th May 2026186 AMAQI
9th May 2026227 AMAQI
9th May 2026388 AMAQI
9th May 2026349 AMAQI
9th May 20265410 AMAQI
9th May 20264511 AMAQI
9th May 20262112 PMAQI
9th May 2026151 PMAQI
9th May 2026232 PMAQI
9th May 2026233 PMAQI
9th May 2026184 PMAQI
9th May 2026275 PMAQI
9th May 2026176 PMAQI
9th May 2026107 PMAQI
9th May 2026238 PMAQI
9th May 2026239 PMAQI
9th May 20261610 PMAQI
9th May 20263011 PMAQI
10th May 20264512 AMAQI
10th May 2026511 AMAQI
10th May 2026582 AMAQI
10th May 2026523 AMAQI

18°C14/22°C

10th May 2026694 AMAQI
10th May 2026625 AMAQI
10th May 2026426 AMAQI
10th May 2026157 AMAQI
10th May 2026198 AMAQI
10th May 2026559 AMAQI
10th May 20266010 AMAQI
10th May 20264211 AMAQI
10th May 20262312 PMAQI
10th May 2026201 PMAQI
10th May 2026282 PMAQI
10th May 2026263 PMAQI
10th May 2026254 PMAQI
10th May 2026225 PMAQI
10th May 2026206 PMAQI
10th May 2026187 PMAQI
10th May 2026228 PMAQI
10th May 2026239 PMAQI
10th May 20262010 PMAQI
10th May 20262511 PMAQI
11th May 20264212 AMAQI
11th May 2026501 AMAQI
11th May 2026382 AMAQI
11th May 2026343 AMAQI

17°C13/22°C

11th May 2026544 AMAQI
11th May 2026295 AMAQI
11th May 2026386 AMAQI
11th May 2026347 AMAQI
11th May 2026428 AMAQI
11th May 2026569 AMAQI
11th May 20266810 AMAQI
11th May 20266011 AMAQI
11th May 20262712 PMAQI
11th May 2026231 PMAQI
11th May 2026302 PMAQI
11th May 2026363 PMAQI
11th May 2026284 PMAQI
11th May 2026385 PMAQI
11th May 2026306 PMAQI
11th May 2026317 PMAQI
11th May 2026278 PMAQI
11th May 2026249 PMAQI
11th May 20263210 PMAQI
11th May 20263411 PMAQI
12th May 20264212 AMAQI
12th May 2026521 AMAQI
12th May 2026562 AMAQI
12th May 2026513 AMAQI

18°C13/24°C

12th May 2026584 AMAQI
12th May 2026605 AMAQI
12th May 2026736 AMAQI
12th May 2026707 AMAQI
12th May 2026588 AMAQI
12th May 2026629 AMAQI
12th May 20267310 AMAQI
12th May 20264311 AMAQI
12th May 20263412 PMAQI
12th May 2026221 PMAQI
12th May 2026282 PMAQI
12th May 2026263 PMAQI
12th May 2026274 PMAQI
12th May 2026245 PMAQI
12th May 2026366 PMAQI
12th May 2026367 PMAQI
12th May 2026168 PMAQI
12th May 2026229 PMAQI
12th May 20262010 PMAQI
12th May 20263411 PMAQI
13th May 20266012 AMAQI
13th May 2026551 AMAQI
13th May 2026622 AMAQI
13th May 2026693 AMAQI

19°C16/23°C

13th May 2026794 AMAQI
13th May 2026665 AMAQI
13th May 2026696 AMAQI
13th May 2026597 AMAQI
13th May 2026548 AMAQI
13th May 2026659 AMAQI
13th May 20267010 AMAQI
13th May 20265411 AMAQI
13th May 20264412 PMAQI
13th May 2026201 PMAQI
13th May 2026302 PMAQI
13th May 2026243 PMAQI
13th May 2026294 PMAQI
13th May 2026305 PMAQI
13th May 2026246 PMAQI
13th May 2026237 PMAQI
13th May 2026168 PMAQI
13th May 2026319 PMAQI
13th May 20263110 PMAQI
13th May 20263111 PMAQI
14th May 20263612 AMAQI
14th May 2026471 AMAQI
14th May 2026562 AMAQI
14th May 2026583 AMAQI

20°C15/26°C

14th May 2026624 AMAQI
14th May 2026675 AMAQI
14th May 2026446 AMAQI
14th May 2026407 AMAQI
14th May 2026468 AMAQI
14th May 2026379 AMAQI
14th May 20266510 AMAQI
14th May 20263811 AMAQI
14th May 20262012 PMAQI
14th May 2026281 PMAQI
14th May 2026362 PMAQI
14th May 2026323 PMAQI
14th May 2026254 PMAQI
14th May 2026405 PMAQI
14th May 2026406 PMAQI
14th May 2026367 PMAQI
14th May 2026448 PMAQI
14th May 2026339 PMAQI
14th May 20263610 PMAQI
14th May 20264411 PMAQI
15th May 20265112 AMAQI
15th May 2026451 AMAQI
15th May 2026462 AMAQI
15th May 2026533 AMAQI

19°C15/26°C

15th May 2026584 AMAQI
15th May 2026545 AMAQI
15th May 2026456 AMAQI
15th May 2026367 AMAQI
15th May 2026578 AMAQI
15th May 2026629 AMAQI
15th May 20266010 AMAQI
15th May 20265411 AMAQI
15th May 20263412 PMAQI
15th May 2026361 PMAQI
15th May 2026262 PMAQI
15th May 2026403 PMAQI
15th May 2026404 PMAQI
15th May 2026245 PMAQI
15th May 2026276 PMAQI
15th May 2026307 PMAQI
15th May 2026398 PMAQI
15th May 2026319 PMAQI
15th May 20263610 PMAQI
15th May 20263311 PMAQI
16th May 20265612 AMAQI
16th May 2026721 AMAQI
16th May 2026852 AMAQI
16th May 2026903 AMAQI

19°C14/25°C

16th May 2026924 AMAQI
16th May 2026805 AMAQI
16th May 2026766 AMAQI
16th May 2026827 AMAQI
16th May 2026948 AMAQI
16th May 2026899 AMAQI
16th May 20268310 AMAQI
16th May 20268811 AMAQI
16th May 20268812 PMAQI
16th May 2026961 PMAQI
16th May 2026982 PMAQI
16th May 2026963 PMAQI
16th May 2026964 PMAQI
16th May 2026835 PMAQI
16th May 2026736 PMAQI
16th May 2026797 PMAQI
16th May 2026808 PMAQI
16th May 2026859 PMAQI
16th May 20268410 PMAQI
16th May 20269611 PMAQI
17th May 20268412 AMAQI
17th May 2026741 AMAQI
17th May 2026922 AMAQI
17th May 2026853 AMAQI

20°C14/26°C

17th May 2026864 AMAQI
17th May 2026885 AMAQI
17th May 2026826 AMAQI
17th May 2026807 AMAQI
17th May 2026708 AMAQI
17th May 2026699 AMAQI
17th May 20265810 AMAQI
17th May 20266211 AMAQI
17th May 20266512 PMAQI
17th May 2026841 PMAQI
17th May 2026732 PMAQI
17th May 2026603 PMAQI
17th May 2026604 PMAQI
17th May 2026645 PMAQI
17th May 2026566 PMAQI
17th May 2026587 PMAQI
17th May 2026538 PMAQI
17th May 2026489 PMAQI
17th May 20264410 PMAQI
17th May 20264611 PMAQI
18th May 20265812 AMAQI
18th May 2026571 AMAQI
18th May 2026622 AMAQI
18th May 2026513 AMAQI

22°C15/30°C

18th May 2026584 AMAQI
18th May 2026685 AMAQI
18th May 2026646 AMAQI
18th May 2026717 AMAQI
18th May 2026718 AMAQI
18th May 2026689 AMAQI
18th May 20266910 AMAQI
18th May 20265711 AMAQI
18th May 20269212 PMAQI
18th May 2026441 PMAQI
18th May 2026312 PMAQI
18th May 2026343 PMAQI
18th May 2026294 PMAQI
18th May 2026425 PMAQI
18th May 2026426 PMAQI
18th May 2026407 PMAQI
18th May 2026448 PMAQI
18th May 2026449 PMAQI
18th May 20265010 PMAQI
18th May 20264611 PMAQI
19th May 20265112 AMAQI
19th May 2026521 AMAQI
19th May 2026502 AMAQI
19th May 2026523 AMAQI

23°C17/29°C

19th May 2026484 AMAQI
19th May 2026515 AMAQI
19th May 2026506 AMAQI
19th May 2026447 AMAQI
19th May 2026538 AMAQI
19th May 2026589 AMAQI
19th May 20265410 AMAQI
19th May 20265811 AMAQI
19th May 20263612 PMAQI
19th May 2026311 PMAQI
19th May 2026382 PMAQI
19th May 2026363 PMAQI
19th May 2026384 PMAQI
19th May 2026365 PMAQI
19th May 2026426 PMAQI
19th May 2026527 PMAQI
19th May 2026608 PMAQI
19th May 2026629 PMAQI
19th May 20266410 PMAQI
19th May 20266811 PMAQI
20th May 20266512 AMAQI
20th May 2026671 AMAQI
20th May 2026682 AMAQI
20th May 2026703 AMAQI

24°C18/30°C

20th May 2026704 AMAQI
20th May 2026695 AMAQI
20th May 2026726 AMAQI
20th May 2026687 AMAQI
20th May 2026688 AMAQI
20th May 2026589 AMAQI
20th May 20265010 AMAQI
20th May 20264611 AMAQI
20th May 20264612 PMAQI
20th May 2026461 PMAQI
20th May 2026442 PMAQI
20th May 2026483 PMAQI
20th May 2026604 PMAQI
20th May 2026645 PMAQI
20th May 2026606 PMAQI
20th May 2026657 PMAQI
20th May 2026698 PMAQI
20th May 2026629 PMAQI
20th May 20266010 PMAQI
20th May 20266511 PMAQI
21st May 20265712 AMAQI
21st May 2026581 AMAQI
21st May 2026562 AMAQI
21st May 2026503 AMAQI

24°C19/30°C

21st May 2026384 AMAQI
21st May 2026515 AMAQI
21st May 2026426 AMAQI
21st May 2026627 AMAQI
21st May 2026648 AMAQI
21st May 2026739 AMAQI
21st May 20266510 AMAQI
21st May 20266511 AMAQI
21st May 20266512 PMAQI
21st May 2026651 PMAQI
21st May 2026652 PMAQI
21st May 2026643 PMAQI
21st May 2026684 PMAQI
21st May 2026605 PMAQI
21st May 2026676 PMAQI
21st May 2026597 PMAQI
21st May 2026588 PMAQI
21st May 2026629 PMAQI
21st May 20265710 PMAQI
21st May 20266011 PMAQI
22nd May 20265912 AMAQI
22nd May 2026631 AMAQI
22nd May 2026592 AMAQI
22nd May 2026583 AMAQI

20°C16/22°C

22nd May 2026624 AMAQI
22nd May 2026625 AMAQI
22nd May 2026666 AMAQI
22nd May 2026667 AMAQI
22nd May 2026688 AMAQI
22nd May 2026609 AMAQI
22nd May 20265710 AMAQI
22nd May 20266011 AMAQI
22nd May 20266012 PMAQI
22nd May 2026601 PMAQI
22nd May 2026602 PMAQI
22nd May 2026603 PMAQI
22nd May 2026604 PMAQI
22nd May 2026605 PMAQI
22nd May 2026606 PMAQI
22nd May 2026607 PMAQI
22nd May 2026578 PMAQI
22nd May 2026609 PMAQI
22nd May 20266410 PMAQI
22nd May 20266611 PMAQI
23rd May 20266012 AMAQI
23rd May 2026581 AMAQI
23rd May 2026622 AMAQI
23rd May 2026593 AMAQI

14°C12/15°C

23rd May 2026644 AMAQI
23rd May 2026545 AMAQI
23rd May 2026476 AMAQI
23rd May 2026477 AMAQI
23rd May 2026548 AMAQI
23rd May 2026559 AMAQI
23rd May 20265310 AMAQI
23rd May 20265211 AMAQI
23rd May 20265212 PMAQI
23rd May 2026521 PMAQI
23rd May 2026522 PMAQI
23rd May 2026523 PMAQI
23rd May 2026494 PMAQI
23rd May 2026465 PMAQI
23rd May 2026506 PMAQI
23rd May 2026517 PMAQI
23rd May 2026518 PMAQI
23rd May 2026509 PMAQI
23rd May 20265010 PMAQI
23rd May 20266011 PMAQI
24th May 20266812 AMAQI
24th May 2026631 AMAQI
24th May 2026732 AMAQI
24th May 2026793 AMAQI

14°C12/19°C

24th May 2026784 AMAQI
24th May 2026795 AMAQI
24th May 2026816 AMAQI
24th May 2026737 AMAQI
24th May 2026718 AMAQI
24th May 2026709 AMAQI
24th May 20265510 AMAQI
24th May 20265211 AMAQI
24th May 20265212 PMAQI
24th May 2026521 PMAQI
24th May 2026522 PMAQI
24th May 2026473 PMAQI
24th May 2026464 PMAQI
24th May 2026445 PMAQI
24th May 2026446 PMAQI
24th May 2026447 PMAQI
24th May 2026408 PMAQI
24th May 2026469 PMAQI
24th May 20264910 PMAQI
24th May 20264011 PMAQI
25th May 20264012 AMAQI
25th May 2026461 AMAQI
25th May 2026422 AMAQI
25th May 2026463 AMAQI

18°C15/21°C

25th May 2026444 AMAQI
25th May 2026465 AMAQI
25th May 2026486 AMAQI
25th May 2026517 AMAQI
25th May 2026588 AMAQI
25th May 2026629 AMAQI
25th May 20264710 AMAQI
25th May 20264211 AMAQI
25th May 20264212 PMAQI
25th May 2026421 PMAQI
25th May 2026422 PMAQI
25th May 2026363 PMAQI
25th May 2026334 PMAQI
25th May 2026335 PMAQI
25th May 2026366 PMAQI
25th May 2026447 PMAQI
25th May 2026568 PMAQI
25th May 2026769 PMAQI
25th May 20266710 PMAQI
25th May 20264611 PMAQI
26th May 20264712 AMAQI
26th May 2026331 AMAQI
26th May 2026362 AMAQI
26th May 2026383 AMAQI

22°C16/28°C

26th May 2026314 AMAQI
26th May 2026255 AMAQI
26th May 2026276 AMAQI
26th May 2026347 AMAQI
26th May 2026368 AMAQI
26th May 2026409 AMAQI
26th May 20265110 AMAQI
26th May 20265211 AMAQI
26th May 20265212 PMAQI
26th May 2026601 PMAQI
26th May 2026672 PMAQI
26th May 2026723 PMAQI
26th May 2026704 PMAQI
26th May 2026235 PMAQI
26th May 2026226 PMAQI
26th May 2026217 PMAQI
26th May 2026228 PMAQI
26th May 2026369 PMAQI
26th May 20263210 PMAQI
26th May 20263811 PMAQI
27th May 20262812 AMAQI
27th May 2026281 AMAQI
27th May 2026282 AMAQI
27th May 2026293 AMAQI

22°C18/27°C

27th May 2026314 AMAQI
27th May 2026315 AMAQI
27th May 2026286 AMAQI
27th May 2026247 AMAQI
27th May 2026288 AMAQI
27th May 2026319 AMAQI
27th May 20262410 AMAQI
27th May 20262811 AMAQI
27th May 20262712 PMAQI
27th May 2026241 PMAQI
27th May 2026242 PMAQI
27th May 2026223 PMAQI
27th May 2026244 PMAQI
27th May 2026215 PMAQI
27th May 2026206 PMAQI
27th May 2026227 PMAQI
27th May 2026218 PMAQI
27th May 2026209 PMAQI
27th May 20262110 PMAQI
27th May 20262411 PMAQI
28th May 20262812 AMAQI
28th May 2026301 AMAQI
28th May 2026272 AMAQI
28th May 2026283 AMAQI

23°C18/28°C

28th May 2026264 AMAQI
28th May 2026285 AMAQI
28th May 2026286 AMAQI
28th May 2026287 AMAQI
28th May 2026278 AMAQI
28th May 2026309 AMAQI
28th May 20262810 AMAQI
28th May 20262511 AMAQI
28th May 20262212 PMAQI
28th May 2026251 PMAQI
28th May 2026232 PMAQI
28th May 2026223 PMAQI
28th May 2026224 PMAQI
28th May 2026225 PMAQI
28th May 2026246 PMAQI
28th May 2026237 PMAQI
28th May 2026238 PMAQI
28th May 2026269 PMAQI
28th May 20262410 PMAQI
28th May 20262311 PMAQI
29th May 20262212 AMAQI
29th May 2026231 AMAQI
29th May 2026202 AMAQI
29th May 2026223 AMAQI

24°C20/29°C

29th May 2026224 AMAQI
29th May 2026215 AMAQI
29th May 2026246 AMAQI
29th May 2026267 AMAQI
29th May 2026268 AMAQI
29th May 2026289 AMAQI
29th May 20263310 AMAQI
29th May 20263811 AMAQI
29th May 20263512 PMAQI
29th May 2026251 PMAQI
29th May 2026262 PMAQI
29th May 2026263 PMAQI
29th May 2026264 PMAQI
29th May 2026265 PMAQI
29th May 2026246 PMAQI
29th May 2026227 PMAQI
29th May 2026208 PMAQI
29th May 2026229 PMAQI
29th May 20262410 PMAQI
29th May 20262511 PMAQI
30th May 20262612 AMAQI
30th May 2026291 AMAQI
30th May 2026222 AMAQI
30th May 2026203 AMAQI

24°C20/29°C

30th May 2026214 AMAQI
30th May 2026205 AMAQI
30th May 2026206 AMAQI
30th May 2026207 AMAQI
30th May 2026228 AMAQI
30th May 2026269 AMAQI
30th May 20262510 AMAQI
30th May 20262811 AMAQI
30th May 20262712 PMAQI
30th May 2026261 PMAQI
30th May 2026342 PMAQI
30th May 2026223 PMAQI
30th May 2026224 PMAQI
30th May 2026225 PMAQI
30th May 2026246 PMAQI
30th May 2026227 PMAQI
30th May 2026248 PMAQI
30th May 2026249 PMAQI
30th May 20263410 PMAQI
30th May 20263111 PMAQI
31st May 20262712 AMAQI
31st May 2026301 AMAQI
31st May 2026352 AMAQI
31st May 2026303 AMAQI

23°C17/29°C

31st May 2026244 AMAQI
31st May 2026245 AMAQI
31st May 2026266 AMAQI
31st May 2026257 AMAQI
31st May 2026288 AMAQI
31st May 2026289 AMAQI
31st May 20262910 AMAQI
31st May 20263611 AMAQI
31st May 20263412 PMAQI
31st May 2026291 PMAQI
31st May 2026262 PMAQI
31st May 2026243 PMAQI
31st May 2026244 PMAQI
31st May 2026245 PMAQI
31st May 2026286 PMAQI
31st May 2026287 PMAQI
31st May 2026268 PMAQI
31st May 2026289 PMAQI
31st May 20263810 PMAQI
31st May 20262811 PMAQI
1st Jun 20263412 AMAQI
1st Jun 2026361 AMAQI
1st Jun 2026362 AMAQI
1st Jun 2026363 AMAQI

24°C20/29°C

1st Jun 2026294 AMAQI
1st Jun 2026335 AMAQI
1st Jun 2026276 AMAQI
1st Jun 2026287 AMAQI
1st Jun 2026268 AMAQI
1st Jun 2026289 AMAQI
1st Jun 20262810 AMAQI
1st Jun 20262911 AMAQI
1st Jun 20262812 PMAQI
1st Jun 2026281 PMAQI
1st Jun 2026342 PMAQI
1st Jun 2026293 PMAQI
1st Jun 2026364 PMAQI
1st Jun 2026335 PMAQI
1st Jun 2026366 PMAQI
1st Jun 2026367 PMAQI
1st Jun 2026278 PMAQI
1st Jun 2026289 PMAQI
1st Jun 20264610 PMAQI
1st Jun 20263611 PMAQI
2nd Jun 20265012 AMAQI
2nd Jun 2026381 AMAQI
2nd Jun 2026492 AMAQI
2nd Jun 2026443 AMAQI

25°C19/32°C

2nd Jun 2026424 AMAQI
2nd Jun 2026405 AMAQI
2nd Jun 2026526 AMAQI
2nd Jun 2026367 AMAQI
2nd Jun 2026308 AMAQI
2nd Jun 2026449 AMAQI
2nd Jun 20265210 AMAQI
2nd Jun 20264411 AMAQI
2nd Jun 20263012 PMAQI
2nd Jun 2026321 PMAQI
2nd Jun 2026192 PMAQI
2nd Jun 2026273 PMAQI
2nd Jun 2026334 PMAQI
2nd Jun 2026235 PMAQI
2nd Jun 2026236 PMAQI
2nd Jun 2026257 PMAQI
2nd Jun 2026238 PMAQI
2nd Jun 2026199 PMAQI
2nd Jun 20261910 PMAQI
2nd Jun 20261711 PMAQI
3rd Jun 20262112 AMAQI
3rd Jun 2026141 AMAQI
3rd Jun 2026122 AMAQI
3rd Jun 2026173 AMAQI

23°C19/27°C

3rd Jun 2026124 AMAQI
3rd Jun 2026175 AMAQI
3rd Jun 2026126 AMAQI
3rd Jun 2026147 AMAQI
3rd Jun 2026108 AMAQI
3rd Jun 202689 AMAQI
3rd Jun 2026810 AMAQI
3rd Jun 2026811 AMAQI
3rd Jun 2026812 PMAQI
3rd Jun 202681 PMAQI
3rd Jun 202682 PMAQI
3rd Jun 202683 PMAQI
3rd Jun 202684 PMAQI
3rd Jun 202685 PMAQI
3rd Jun 202686 PMAQI
3rd Jun 202687 PMAQI
3rd Jun 202688 PMAQI
3rd Jun 2026129 PMAQI
3rd Jun 20262110 PMAQI
3rd Jun 2026811 PMAQI
4th Jun 20261212 AMAQI
4th Jun 2026121 AMAQI
4th Jun 2026212 AMAQI
4th Jun 2026173 AMAQI

17°C16/20°C

4th Jun 2026174 AMAQI
4 AM
4th Jun 2026125 AMAQI
4th Jun 2026176 AMAQI
4th Jun 2026177 AMAQI
4th Jun 2026218 AMAQI
4th Jun 2026269 AMAQI
4th Jun 20262410 AMAQI
4th Jun 20262411 AMAQI
11 AM
4th Jun 20262212 PMAQI
4th Jun 2026241 PMAQI
4th Jun 2026222 PMAQI
4th Jun 2026223 PMAQI
4th Jun 2026234 PMAQI
4th Jun 2026235 PMAQI
4th Jun 2026226 PMAQI
6 PM
4th Jun 2026217 PMAQI
4th Jun 2026208 PMAQI
4th Jun 2026229 PMAQI
4th Jun 20262010 PMAQI
4th Jun 20262411 PMAQI
11 PM
3 AM

18°C17/19°C

Day time
Avg. Highest Time
9 AM - 10 AM

50AQI

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

34AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 10 AM (Avg. 50), while the lowest AQI was between 5 PM to 6 PM (Avg. 34).
Night time
Avg. Highest Time
2 AM - 3 AM

47AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM - 8 PM

35AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 47), while the lowest AQI was between 7 PM to 8 PM (Avg. 35).

2026 Days Vs Air Quality

Hidaka, Saitama, Japan

2026

81%

125

19%

30

Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)

Good
125 Days
Moderate
30 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 81%

Health Risk Level:

Low

In 2026, 81% of 155 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

Hidaka, Saitama, 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
25AQI (US)
2nd January 2026
20AQI (US)
3rd January 2026
21AQI (US)
4th January 2026
25AQI (US)
5th January 2026
34AQI (US)
6th January 2026
23AQI (US)
7th January 2026
36AQI (US)
8th January 2026
32AQI (US)
9th January 2026
23AQI (US)
10th January 2026
40AQI (US)
11th January 2026
31AQI (US)
12th January 2026
12AQI (US)
13th January 2026
24AQI (US)
14th January 2026
22AQI (US)
15th January 2026
33AQI (US)
16th January 2026
48AQI (US)
17th January 2026
53AQI (US)
18th January 2026
34AQI (US)
19th January 2026
59AQI (US)
20th January 2026
38AQI (US)
21st January 2026
17AQI (US)
22nd January 2026
24AQI (US)
23rd January 2026
39AQI (US)
24th January 2026
38AQI (US)
25th January 2026
43AQI (US)
26th January 2026
32AQI (US)
27th January 2026
37AQI (US)
28th January 2026
27AQI (US)
29th January 2026
26AQI (US)
30th January 2026
36AQI (US)
31st January 2026
37AQI (US)
1st February 2026
37AQI (US)
2nd February 2026
47AQI (US)
3rd February 2026
32AQI (US)
4th February 2026
37AQI (US)
5th February 2026
47AQI (US)
6th February 2026
44AQI (US)
7th February 2026
14AQI (US)
8th February 2026
18AQI (US)
9th February 2026
40AQI (US)
10th February 2026
20AQI (US)
11th February 2026
28AQI (US)
12th February 2026
26AQI (US)
13th February 2026
45AQI (US)
14th February 2026
66AQI (US)
15th February 2026
61AQI (US)
16th February 2026
37AQI (US)
17th February 2026
23AQI (US)
18th February 2026
33AQI (US)
19th February 2026
32AQI (US)
20th February 2026
31AQI (US)
21st February 2026
39AQI (US)
22nd February 2026
40AQI (US)
23rd February 2026
43AQI (US)
24th February 2026
37AQI (US)
25th February 2026
38AQI (US)
26th February 2026
10AQI (US)
27th February 2026
28AQI (US)
28th February 2026
48AQI (US)
1st March 2026
48AQI (US)
2nd March 2026
83AQI (US)
3rd March 2026
48AQI (US)
4th March 2026
56AQI (US)
5th March 2026
60AQI (US)
6th March 2026
53AQI (US)
7th March 2026
49AQI (US)
8th March 2026
47AQI (US)
9th March 2026
54AQI (US)
10th March 2026
60AQI (US)
11th March 2026
60AQI (US)
12th March 2026
72AQI (US)
13th March 2026
44AQI (US)
14th March 2026
38AQI (US)
15th March 2026
17AQI (US)
16th March 2026
32AQI (US)
17th March 2026
57AQI (US)
18th March 2026
59AQI (US)
19th March 2026
35AQI (US)
20th March 2026
34AQI (US)
21st March 2026
52AQI (US)
22nd March 2026
54AQI (US)
23rd March 2026
57AQI (US)
24th March 2026
49AQI (US)
25th March 2026
72AQI (US)
26th March 2026
22AQI (US)
27th March 2026
20AQI (US)
28th March 2026
49AQI (US)
29th March 2026
57AQI (US)
30th March 2026
59AQI (US)
31st March 2026
34AQI (US)
1st April 2026
19AQI (US)
2nd April 2026
24AQI (US)
3rd April 2026
46AQI (US)
4th April 2026
46AQI (US)
5th April 2026
38AQI (US)
6th April 2026
25AQI (US)
7th April 2026
40AQI (US)
8th April 2026
25AQI (US)
9th April 2026
33AQI (US)
10th April 2026
49AQI (US)
11th April 2026
37AQI (US)
12th April 2026
38AQI (US)
13th April 2026
37AQI (US)
14th April 2026
48AQI (US)
15th April 2026
46AQI (US)
16th April 2026
36AQI (US)
17th April 2026
41AQI (US)
18th April 2026
36AQI (US)
19th April 2026
40AQI (US)
20th April 2026
39AQI (US)
21st April 2026
42AQI (US)
22nd April 2026
47AQI (US)
23rd April 2026
38AQI (US)
24th April 2026
32AQI (US)
25th April 2026
46AQI (US)
26th April 2026
51AQI (US)
27th April 2026
49AQI (US)
28th April 2026
43AQI (US)
29th April 2026
40AQI (US)
30th April 2026
40AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
51AQI (US)
3rd May 2026
45AQI (US)
4th May 2026
28AQI (US)
5th May 2026
23AQI (US)
6th May 2026
35AQI (US)
7th May 2026
35AQI (US)
8th May 2026
28AQI (US)
9th May 2026
27AQI (US)
10th May 2026
35AQI (US)
11th May 2026
37AQI (US)
12th May 2026
43AQI (US)
13th May 2026
46AQI (US)
14th May 2026
42AQI (US)
15th May 2026
42AQI (US)
16th May 2026
86AQI (US)
17th May 2026
68AQI (US)
18th May 2026
54AQI (US)
19th May 2026
49AQI (US)
20th May 2026
61AQI (US)
21st May 2026
60AQI (US)
22nd May 2026
61AQI (US)
23rd May 2026
53AQI (US)
24th May 2026
58AQI (US)
25th May 2026
47AQI (US)
26th May 2026
40AQI (US)
27th May 2026
25AQI (US)
28th May 2026
26AQI (US)
29th May 2026
25AQI (US)
30th May 2026
25AQI (US)
31st May 2026
28AQI (US)
1st June 2026
32AQI (US)
2nd June 2026
34AQI (US)
3rd June 2026
11AQI (US)
4th June 2026
20AQI (US)
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

32AQI (US)

36AQI (US)

49AQI (US)

39AQI (US)

43AQI (US)

24AQI (US)

No. of days

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

202639AQI (US)

29
2
26
2
15
16
29
1
22
9
4
125
30

Highest AQI (US) recorded in

March

49AQI (US)

Lowest AQI (US) recorded in

June

24AQI (US)

202541AQI (US)

30
1
27
1
23
8
23
7
27
4
27
3
23
8
23
8
30
13
18
18
12
19
12
283
82

Highest AQI (US) recorded in

October

48AQI (US)

Lowest AQI (US) recorded in

January

34AQI (US)

202439AQI (US)

15
4
25
6
13
17
26
5
20
10
17
14
29
2
27
3
30
1
27
3
31
264
61

Highest AQI (US) recorded in

April

53AQI (US)

Lowest AQI (US) recorded in

December

30AQI (US)

202341AQI (US)

28
2
22
6
24
7
19
11
23
8
19
11
18
13
26
28
2
30
1
21
8
25
6
283
75

Highest AQI (US) recorded in

April

50AQI (US)

Lowest AQI (US) recorded in

August

30AQI (US)

202239AQI (US)

28
1
19
2
21
10
19
11
24
7
16
14
17
7
1
27
1
28
3
25
5
31
256
61

Highest AQI (US) recorded in

June

48AQI (US)

Lowest AQI (US) recorded in

December

28AQI (US)

202137AQI (US)

27
4
21
7
21
9
1
24
6
23
8
25
5
29
2
26
5
28
2
29
2
28
2
30
1
311
53
1

Highest AQI (US) recorded in

March

45AQI (US)

Lowest AQI (US) recorded in

December

33AQI (US)

202037AQI (US)

10
3
17
4
17
1
22
8
29
2
13
18
19
28
3
21
9
28
3
204
51

Highest AQI (US) recorded in

August

53AQI (US)

Lowest AQI (US) recorded in

July

25AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
41AQI (US)
Least Polluted Year Recorded
2020(Avg.)
37AQI (US)

Hidaka's annual 2026 AQI (US) (39) shows an average percentage change of 0.1% (worsened AQI (US)) compared to previous years: 2020 (37), 2021 (37), 2022 (39), 2023 (41), 2024 (39), 2025 (41).