Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Hitachiomiya, 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

Hitachiomiya, Ibaraki, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
16th Aug 2023
58AQI
Lowest AQI recorded on
17th Aug 2024
16AQI

Same Day Analysis (8th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 24 of Good air quality, showing improvement over 2025 and 2023 on the same day.

Day & Night AQI Trend: 7th Aug - 8th Aug 2026

Hitachiomiya, Ibaraki, Japan

AQI
Day
Night
.

4 AM7th Aug 2026

6 PM

3 AM8th Aug 2026

Day time
Avg. Highest Time
1PM7th Aug

34AQI

Avg. Lowest Time
7AM7th Aug

21AQI

Night time
Avg. Highest Time
1AM8th Aug

27AQI

Avg. Lowest Time
9PM7th Aug

21AQI

In the last 24 hours,

Hitachiomiya's AQI reached its highest point of 34 at 1 PM during the Day, while the lowest point, 21, was recorded at 9 PM during the Night between 7th Aug and 8th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Hitachiomiya, Ibaraki, Japan

JulAug
10th - 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 - 07th07th - 08th08th
Day
Night
10th Jul 2026244 AMAQI
10th Jul 2026175 AMAQI
10th Jul 2026196 AMAQI
10th Jul 2026187 AMAQI
10th Jul 2026198 AMAQI
10th Jul 2026289 AMAQI
10th Jul 20262610 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262812 PMAQI
10th Jul 2026231 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026243 PMAQI
10th Jul 2026264 PMAQI
10th Jul 2026305 PMAQI
10th Jul 2026306 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026278 PMAQI
10th Jul 2026309 PMAQI
10th Jul 20262910 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20263012 AMAQI
11th Jul 2026281 AMAQI
11th Jul 2026312 AMAQI
11th Jul 2026203 AMAQI

24°C21/28°C

11th Jul 2026244 AMAQI
11th Jul 2026305 AMAQI
11th Jul 2026296 AMAQI
11th Jul 2026317 AMAQI
11th Jul 2026318 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20262811 AMAQI
11th Jul 20262712 PMAQI
11th Jul 2026251 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026243 PMAQI
11th Jul 2026294 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026307 PMAQI
11th Jul 2026288 PMAQI
11th Jul 2026289 PMAQI
11th Jul 20262910 PMAQI
11th Jul 20262711 PMAQI
12th Jul 20263212 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026322 AMAQI
12th Jul 2026283 AMAQI

24°C21/28°C

12th Jul 2026264 AMAQI
12th Jul 2026285 AMAQI
12th Jul 2026306 AMAQI
12th Jul 2026297 AMAQI
12th Jul 2026288 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20262811 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026251 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026243 PMAQI
12th Jul 2026254 PMAQI
12th Jul 2026275 PMAQI
12th Jul 2026316 PMAQI
12th Jul 2026327 PMAQI
12th Jul 2026278 PMAQI
12th Jul 2026329 PMAQI
12th Jul 20263110 PMAQI
12th Jul 20263011 PMAQI
13th Jul 20263212 AMAQI
13th Jul 2026321 AMAQI
13th Jul 2026302 AMAQI
13th Jul 2026283 AMAQI

22°C22/23°C

13th Jul 2026284 AMAQI
13th Jul 2026285 AMAQI
13th Jul 2026286 AMAQI
13th Jul 2026277 AMAQI
13th Jul 2026308 AMAQI
13th Jul 2026309 AMAQI
13th Jul 20262910 AMAQI
13th Jul 20263111 AMAQI
13th Jul 20262412 PMAQI
13th Jul 2026231 PMAQI
13th Jul 2026252 PMAQI
13th Jul 2026583 PMAQI
13th Jul 2026604 PMAQI
13th Jul 2026605 PMAQI
13th Jul 2026316 PMAQI
13th Jul 2026297 PMAQI
13th Jul 2026338 PMAQI
13th Jul 2026299 PMAQI
13th Jul 20262710 PMAQI
13th Jul 20262511 PMAQI
14th Jul 20262112 AMAQI
14th Jul 2026251 AMAQI
14th Jul 2026192 AMAQI
14th Jul 2026323 AMAQI

24°C22/29°C

14th Jul 2026264 AMAQI
14th Jul 2026325 AMAQI
14th Jul 2026306 AMAQI
14th Jul 2026297 AMAQI
14th Jul 2026268 AMAQI
14th Jul 2026329 AMAQI
14th Jul 20263110 AMAQI
14th Jul 20262811 AMAQI
14th Jul 20262412 PMAQI
14th Jul 2026241 PMAQI
14th Jul 2026232 PMAQI
14th Jul 2026243 PMAQI
14th Jul 2026264 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026306 PMAQI
14th Jul 2026327 PMAQI
14th Jul 2026328 PMAQI
14th Jul 2026309 PMAQI
14th Jul 20263510 PMAQI
14th Jul 20263211 PMAQI
15th Jul 20263612 AMAQI
15th Jul 2026351 AMAQI
15th Jul 2026622 AMAQI
15th Jul 2026593 AMAQI

25°C21/28°C

15th Jul 2026624 AMAQI
15th Jul 2026545 AMAQI
15th Jul 2026626 AMAQI
15th Jul 2026577 AMAQI
15th Jul 2026528 AMAQI
15th Jul 2026529 AMAQI
15th Jul 20265310 AMAQI
15th Jul 20266211 AMAQI
15th Jul 20265612 PMAQI
15th Jul 2026591 PMAQI
15th Jul 2026582 PMAQI
15th Jul 2026593 PMAQI
15th Jul 2026544 PMAQI
15th Jul 2026405 PMAQI
15th Jul 2026386 PMAQI
15th Jul 2026727 PMAQI
15th Jul 2026648 PMAQI
15th Jul 2026599 PMAQI
15th Jul 20266510 PMAQI
15th Jul 20262711 PMAQI
16th Jul 20267012 AMAQI
16th Jul 2026591 AMAQI
16th Jul 2026622 AMAQI
16th Jul 2026623 AMAQI

26°C23/30°C

16th Jul 2026624 AMAQI
16th Jul 2026625 AMAQI
16th Jul 2026586 AMAQI
16th Jul 2026607 AMAQI
16th Jul 2026608 AMAQI
16th Jul 2026589 AMAQI
16th Jul 20266810 AMAQI
16th Jul 20266311 AMAQI
16th Jul 20265712 PMAQI
16th Jul 2026571 PMAQI
16th Jul 2026622 PMAQI
16th Jul 2026923 PMAQI
16th Jul 2026904 PMAQI
16th Jul 2026925 PMAQI
16th Jul 2026836 PMAQI
16th Jul 2026807 PMAQI
16th Jul 2026718 PMAQI
16th Jul 2026769 PMAQI
16th Jul 20266810 PMAQI
16th Jul 20266911 PMAQI
17th Jul 20266612 AMAQI
17th Jul 2026671 AMAQI
17th Jul 2026692 AMAQI
17th Jul 2026703 AMAQI

26°C24/29°C

17th Jul 2026654 AMAQI
17th Jul 2026655 AMAQI
17th Jul 2026606 AMAQI
17th Jul 2026627 AMAQI
17th Jul 2026588 AMAQI
17th Jul 2026539 AMAQI
17th Jul 20264410 AMAQI
17th Jul 20262711 AMAQI
17th Jul 20263112 PMAQI
17th Jul 2026311 PMAQI
17th Jul 2026212 PMAQI
17th Jul 2026173 PMAQI
17th Jul 2026254 PMAQI
17th Jul 2026235 PMAQI
17th Jul 2026276 PMAQI
17th Jul 2026257 PMAQI
17th Jul 2026178 PMAQI
17th Jul 2026149 PMAQI
17th Jul 20261210 PMAQI
17th Jul 2026811 PMAQI
18th Jul 2026812 AMAQI
18th Jul 202681 AMAQI
18th Jul 2026122 AMAQI
18th Jul 2026103 AMAQI

24°C23/26°C

18th Jul 202684 AMAQI
18th Jul 202685 AMAQI
18th Jul 2026106 AMAQI
18th Jul 202697 AMAQI
18th Jul 202698 AMAQI
18th Jul 2026119 AMAQI
18th Jul 20261010 AMAQI
18th Jul 2026811 AMAQI
18th Jul 2026612 PMAQI
18th Jul 202681 PMAQI
18th Jul 202692 PMAQI
18th Jul 202663 PMAQI
18th Jul 202684 PMAQI
18th Jul 202675 PMAQI
18th Jul 202686 PMAQI
18th Jul 202677 PMAQI
18th Jul 202688 PMAQI
18th Jul 202689 PMAQI
18th Jul 2026810 PMAQI
18th Jul 2026811 PMAQI
19th Jul 2026912 AMAQI
19th Jul 202691 AMAQI
19th Jul 202682 AMAQI
19th Jul 202693 AMAQI

24°C22/27°C

19th Jul 2026314 AMAQI
19th Jul 2026255 AMAQI
19th Jul 2026236 AMAQI
19th Jul 2026257 AMAQI
19th Jul 2026298 AMAQI
19th Jul 2026279 AMAQI
19th Jul 20262710 AMAQI
19th Jul 20262511 AMAQI
19th Jul 20262312 PMAQI
19th Jul 2026211 PMAQI
19th Jul 2026212 PMAQI
19th Jul 2026273 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026295 PMAQI
19th Jul 2026276 PMAQI
19th Jul 2026257 PMAQI
19th Jul 2026218 PMAQI
19th Jul 2026279 PMAQI
19th Jul 20263610 PMAQI
19th Jul 20263611 PMAQI
20th Jul 20262512 AMAQI
20th Jul 2026361 AMAQI
20th Jul 2026212 AMAQI
20th Jul 2026233 AMAQI

25°C22/28°C

20th Jul 2026234 AMAQI
20th Jul 2026235 AMAQI
20th Jul 2026236 AMAQI
20th Jul 2026277 AMAQI
20th Jul 2026278 AMAQI
20th Jul 2026219 AMAQI
20th Jul 20262110 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20262512 PMAQI
20th Jul 2026661 PMAQI
20th Jul 2026392 PMAQI
20th Jul 2026483 PMAQI
20th Jul 2026484 PMAQI
20th Jul 2026465 PMAQI
20th Jul 2026386 PMAQI
20th Jul 2026427 PMAQI
20th Jul 2026498 PMAQI
20th Jul 2026529 PMAQI
20th Jul 20264710 PMAQI
20th Jul 20263811 PMAQI
21st Jul 20264412 AMAQI
21st Jul 2026361 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026293 AMAQI

27°C23/32°C

21st Jul 2026254 AMAQI
21st Jul 2026255 AMAQI
21st Jul 2026256 AMAQI
21st Jul 2026257 AMAQI
21st Jul 2026258 AMAQI
21st Jul 2026259 AMAQI
21st Jul 20265510 AMAQI
21st Jul 20265311 AMAQI
21st Jul 2026581 PMAQI
21st Jul 2026552 PMAQI
21st Jul 2026543 PMAQI
21st Jul 2026554 PMAQI
21st Jul 2026495 PMAQI
21st Jul 2026486 PMAQI
21st Jul 2026907 PMAQI
21st Jul 2026408 PMAQI
21st Jul 2026319 PMAQI
21st Jul 20263810 PMAQI
21st Jul 20263611 PMAQI
22nd Jul 20263812 AMAQI
22nd Jul 2026291 AMAQI
22nd Jul 2026272 AMAQI
22nd Jul 2026293 AMAQI

26°C24/30°C

22nd Jul 2026294 AMAQI
22nd Jul 2026295 AMAQI
22nd Jul 2026296 AMAQI
22nd Jul 2026297 AMAQI
22nd Jul 2026298 AMAQI
22nd Jul 2026429 AMAQI
22nd Jul 20264210 AMAQI
22nd Jul 20266011 AMAQI
22nd Jul 20266512 PMAQI
22nd Jul 2026671 PMAQI
22nd Jul 2026652 PMAQI
22nd Jul 2026653 PMAQI
22nd Jul 2026694 PMAQI
22nd Jul 2026805 PMAQI
22nd Jul 2026716 PMAQI
22nd Jul 2026747 PMAQI
22nd Jul 2026628 PMAQI
22nd Jul 2026599 PMAQI
22nd Jul 20266210 PMAQI
22nd Jul 20265611 PMAQI
23rd Jul 20265712 AMAQI
23rd Jul 2026571 AMAQI
23rd Jul 2026522 AMAQI
23rd Jul 2026563 AMAQI

27°C24/32°C

23rd Jul 2026564 AMAQI
23rd Jul 2026645 AMAQI
23rd Jul 2026726 AMAQI
23rd Jul 2026627 AMAQI
23rd Jul 2026648 AMAQI
23rd Jul 2026729 AMAQI
23rd Jul 20266910 AMAQI
23rd Jul 20269211 AMAQI
23rd Jul 20267612 PMAQI
23rd Jul 2026651 PMAQI
23rd Jul 2026552 PMAQI
23rd Jul 2026443 PMAQI
23rd Jul 2026294 PMAQI
23rd Jul 2026215 PMAQI
23rd Jul 2026296 PMAQI
23rd Jul 2026237 PMAQI
23rd Jul 2026238 PMAQI
23rd Jul 2026299 PMAQI
23rd Jul 20263110 PMAQI
23rd Jul 20262911 PMAQI
24th Jul 20263112 AMAQI
24th Jul 2026311 AMAQI
24th Jul 2026312 AMAQI
24th Jul 2026363 AMAQI

26°C23/31°C

24th Jul 2026294 AMAQI
24th Jul 2026215 AMAQI
24th Jul 2026166 AMAQI
24th Jul 2026197 AMAQI
24th Jul 2026148 AMAQI
24th Jul 2026129 AMAQI
24th Jul 20261210 AMAQI
24th Jul 20261911 AMAQI
24th Jul 20262312 PMAQI
24th Jul 2026231 PMAQI
24th Jul 2026312 PMAQI
24th Jul 2026233 PMAQI
24th Jul 2026194 PMAQI
24th Jul 2026295 PMAQI
24th Jul 2026296 PMAQI
24th Jul 2026237 PMAQI
24th Jul 2026198 PMAQI
24th Jul 2026219 PMAQI
24th Jul 20261910 PMAQI
24th Jul 20261411 PMAQI
25th Jul 2026812 AMAQI
25th Jul 202661 AMAQI
25th Jul 202682 AMAQI
25th Jul 202683 AMAQI

23°C22/25°C

25th Jul 2026104 AMAQI
25th Jul 202685 AMAQI
25th Jul 202686 AMAQI
25th Jul 202687 AMAQI
25th Jul 202688 AMAQI
25th Jul 202689 AMAQI
25th Jul 20261210 AMAQI
25th Jul 20261211 AMAQI
25th Jul 20262512 PMAQI
25th Jul 2026251 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026253 PMAQI
25th Jul 2026294 PMAQI
25th Jul 2026295 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026297 PMAQI
25th Jul 2026338 PMAQI
25th Jul 2026279 PMAQI
25th Jul 20264010 PMAQI
25th Jul 20264011 PMAQI
26th Jul 20262912 AMAQI
26th Jul 2026331 AMAQI
26th Jul 2026362 AMAQI
26th Jul 2026253 AMAQI

24°C22/25°C

26th Jul 2026424 AMAQI
26th Jul 2026425 AMAQI
26th Jul 2026256 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026389 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262112 PMAQI
26th Jul 2026211 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026213 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026218 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262912 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026382 AMAQI
27th Jul 2026213 AMAQI

24°C23/27°C

27th Jul 2026254 AMAQI
27th Jul 2026255 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026317 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026279 AMAQI
27th Jul 20262910 AMAQI
27th Jul 20262911 AMAQI
27th Jul 20262512 PMAQI
27th Jul 2026291 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026234 PMAQI
27th Jul 2026215 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026237 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026239 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262111 PMAQI
28th Jul 20262312 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026213 AMAQI

23°C21/25°C

28th Jul 2026214 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026219 AMAQI
28th Jul 20262310 AMAQI
28th Jul 20262111 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026252 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026276 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026219 PMAQI
28th Jul 20262110 PMAQI
28th Jul 20262111 PMAQI
29th Jul 20262312 AMAQI
29th Jul 2026211 AMAQI
29th Jul 2026212 AMAQI
29th Jul 2026233 AMAQI

23°C21/26°C

29th Jul 2026254 AMAQI
29th Jul 2026255 AMAQI
29th Jul 2026236 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026238 AMAQI
29th Jul 2026319 AMAQI
29th Jul 20262910 AMAQI
29th Jul 20262911 AMAQI
29th Jul 20262912 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026292 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026297 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026279 PMAQI
29th Jul 20262910 PMAQI
29th Jul 20263111 PMAQI
30th Jul 20263612 AMAQI
30th Jul 2026381 AMAQI
30th Jul 2026272 AMAQI
30th Jul 2026213 AMAQI

25°C22/28°C

30th Jul 2026334 AMAQI
30th Jul 2026295 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262911 AMAQI
30th Jul 20262712 PMAQI
30th Jul 2026271 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026273 PMAQI
30th Jul 2026314 PMAQI
30th Jul 2026335 PMAQI
30th Jul 2026346 PMAQI
30th Jul 2026497 PMAQI
30th Jul 2026588 PMAQI
30th Jul 2026519 PMAQI
30th Jul 20263810 PMAQI
30th Jul 20264411 PMAQI
31st Jul 20264012 AMAQI
31st Jul 2026361 AMAQI
31st Jul 2026272 AMAQI
31st Jul 2026333 AMAQI

26°C23/31°C

31st Jul 2026334 AMAQI
31st Jul 2026335 AMAQI
31st Jul 2026336 AMAQI
31st Jul 2026297 AMAQI
31st Jul 2026298 AMAQI
31st Jul 2026259 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20262912 PMAQI
31st Jul 2026271 PMAQI
31st Jul 2026292 PMAQI
31st Jul 2026273 PMAQI
31st Jul 2026274 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026276 PMAQI
31st Jul 2026277 PMAQI
31st Jul 2026298 PMAQI
31st Jul 2026299 PMAQI
31st Jul 20263110 PMAQI
31st Jul 20262711 PMAQI
1st Aug 20263112 AMAQI
1st Aug 2026331 AMAQI
1st Aug 2026312 AMAQI
1st Aug 2026313 AMAQI

25°C23/28°C

1st Aug 2026334 AMAQI
1st Aug 2026365 AMAQI
1st Aug 2026336 AMAQI
1st Aug 2026337 AMAQI
1st Aug 2026338 AMAQI
1st Aug 2026339 AMAQI
1st Aug 20263810 AMAQI
1st Aug 20264611 AMAQI
1st Aug 20264212 PMAQI
1st Aug 2026441 PMAQI
1st Aug 2026442 PMAQI
1st Aug 2026593 PMAQI
1st Aug 2026574 PMAQI
1st Aug 2026555 PMAQI
1st Aug 2026646 PMAQI
1st Aug 2026647 PMAQI
1st Aug 2026608 PMAQI
1st Aug 2026589 PMAQI
1st Aug 20266610 PMAQI
1st Aug 20265711 PMAQI
2nd Aug 20266512 AMAQI
2nd Aug 2026591 AMAQI
2nd Aug 2026642 AMAQI
2nd Aug 2026593 AMAQI

26°C22/30°C

2nd Aug 2026584 AMAQI
2nd Aug 2026555 AMAQI
2nd Aug 2026486 AMAQI
2nd Aug 2026447 AMAQI
2nd Aug 2026338 AMAQI
2nd Aug 2026319 AMAQI
2nd Aug 20262910 AMAQI
2nd Aug 20262911 AMAQI
2nd Aug 20262912 PMAQI
2nd Aug 2026291 PMAQI
2nd Aug 2026292 PMAQI
2nd Aug 2026233 PMAQI
2nd Aug 2026214 PMAQI
2nd Aug 2026335 PMAQI
2nd Aug 2026306 PMAQI
2nd Aug 2026257 PMAQI
2nd Aug 2026258 PMAQI
2nd Aug 2026299 PMAQI
2nd Aug 20262910 PMAQI
2nd Aug 20262511 PMAQI
3rd Aug 20262312 AMAQI
3rd Aug 2026271 AMAQI
3rd Aug 2026232 AMAQI
3rd Aug 2026233 AMAQI

24°C22/26°C

3rd Aug 2026294 AMAQI
3rd Aug 2026385 AMAQI
3rd Aug 2026336 AMAQI
3rd Aug 2026257 AMAQI
3rd Aug 202688 AMAQI
3rd Aug 202689 AMAQI
3rd Aug 2026810 AMAQI
3rd Aug 2026811 AMAQI
3rd Aug 20261012 PMAQI
3rd Aug 2026121 PMAQI
3rd Aug 2026212 PMAQI
3rd Aug 2026253 PMAQI
3rd Aug 2026294 PMAQI
3rd Aug 2026295 PMAQI
3rd Aug 2026296 PMAQI
3rd Aug 2026257 PMAQI
3rd Aug 2026258 PMAQI
3rd Aug 2026219 PMAQI
3rd Aug 20262310 PMAQI
3rd Aug 20262111 PMAQI
4th Aug 20262312 AMAQI
4th Aug 2026211 AMAQI
4th Aug 2026212 AMAQI
4th Aug 2026213 AMAQI

22°C20/23°C

4th Aug 2026234 AMAQI
4th Aug 2026235 AMAQI
4th Aug 2026216 AMAQI
4th Aug 2026237 AMAQI
4th Aug 2026238 AMAQI
4th Aug 2026239 AMAQI
4th Aug 20262110 AMAQI
4th Aug 20262311 AMAQI
4th Aug 20262112 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026212 PMAQI
4th Aug 2026233 PMAQI
4th Aug 2026234 PMAQI
4th Aug 2026255 PMAQI
4th Aug 2026256 PMAQI
4th Aug 2026257 PMAQI
4th Aug 2026278 PMAQI
4th Aug 2026239 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20262712 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026252 AMAQI
5th Aug 2026253 AMAQI

21°C19/24°C

5th Aug 2026254 AMAQI
5th Aug 2026255 AMAQI
5th Aug 2026276 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026238 AMAQI
5th Aug 2026259 AMAQI
5th Aug 20262510 AMAQI
5th Aug 20262511 AMAQI
5th Aug 20262512 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026252 PMAQI
5th Aug 2026233 PMAQI
5th Aug 2026234 PMAQI
5th Aug 2026235 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026257 PMAQI
5th Aug 2026258 PMAQI
5th Aug 2026219 PMAQI
5th Aug 20262310 PMAQI
5th Aug 20262511 PMAQI
6th Aug 20262312 AMAQI
6th Aug 2026231 AMAQI
6th Aug 2026212 AMAQI
6th Aug 2026213 AMAQI

23°C20/26°C

6th Aug 2026214 AMAQI
6th Aug 2026215 AMAQI
6th Aug 2026236 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026238 AMAQI
6th Aug 2026219 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262711 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026291 PMAQI
6th Aug 2026312 PMAQI
6th Aug 2026273 PMAQI
6th Aug 2026294 PMAQI
6th Aug 2026315 PMAQI
6th Aug 2026296 PMAQI
6th Aug 2026257 PMAQI
6th Aug 2026258 PMAQI
6th Aug 2026279 PMAQI
6th Aug 20262910 PMAQI
6th Aug 20262711 PMAQI
7th Aug 20262512 AMAQI
7th Aug 2026231 AMAQI
7th Aug 2026232 AMAQI
7th Aug 2026253 AMAQI

26°C23/29°C

7th Aug 2026234 AMAQI
7th Aug 2026215 AMAQI
7th Aug 2026216 AMAQI
7th Aug 2026217 AMAQI
7th Aug 2026238 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262510 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20262712 PMAQI
7th Aug 2026341 PMAQI
7th Aug 2026342 PMAQI
7th Aug 2026273 PMAQI
7th Aug 2026294 PMAQI
7th Aug 2026235 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026217 PMAQI
7th Aug 2026238 PMAQI
7th Aug 2026219 PMAQI
7th Aug 20262510 PMAQI
7th Aug 20262311 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026271 AMAQI
8th Aug 2026272 AMAQI
8th Aug 2026253 AMAQI

26°C23/29°C

8th Aug 2026254 AMAQI
4 AM
8th Aug 2026255 AMAQI
8th Aug 2026236 AMAQI
8th Aug 2026237 AMAQI
8th Aug 2026238 AMAQI
8th Aug 2026279 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20262111 AMAQI
11 AM
8th Aug 20262112 PMAQI
8th Aug 2026231 PMAQI
8th Aug 2026232 PMAQI
8th Aug 2026233 PMAQI
8th Aug 2026234 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026216 PMAQI
6 PM
8th Aug 2026237 PMAQI
8th Aug 2026218 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20263010 PMAQI
8th Aug 20262111 PMAQI
11 PM
3 AM

26°C23/29°C

Day time
Avg. Highest Time
3 PM - 6 PM

34AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
8 AM

28AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 6 PM (Avg. 34), while the lowest AQI was between 8 AM to 8 AM (Avg. 28).
Night time
Avg. Highest Time
7 PM

35AQI

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

30AQI

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

2026 Days Vs Air Quality

Hitachiomiya, Ibaraki, Japan

2026

87%

191

13%

29

Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)

Good
191 Days
Moderate
29 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 87%

Health Risk Level:

Low

In 2026, 87% of 220 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

Hitachiomiya, Ibaraki, 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
15AQI (US)
2nd January 2026
13AQI (US)
3rd January 2026
13AQI (US)
4th January 2026
19AQI (US)
5th January 2026
28AQI (US)
6th January 2026
22AQI (US)
7th January 2026
26AQI (US)
8th January 2026
33AQI (US)
9th January 2026
24AQI (US)
10th January 2026
29AQI (US)
11th January 2026
26AQI (US)
12th January 2026
12AQI (US)
13th January 2026
28AQI (US)
14th January 2026
14AQI (US)
15th January 2026
27AQI (US)
16th January 2026
43AQI (US)
17th January 2026
39AQI (US)
18th January 2026
25AQI (US)
19th January 2026
37AQI (US)
20th January 2026
28AQI (US)
21st January 2026
13AQI (US)
22nd January 2026
18AQI (US)
23rd January 2026
35AQI (US)
24th January 2026
36AQI (US)
25th January 2026
43AQI (US)
26th January 2026
32AQI (US)
27th January 2026
38AQI (US)
28th January 2026
29AQI (US)
29th January 2026
26AQI (US)
30th January 2026
36AQI (US)
31st January 2026
41AQI (US)
1st February 2026
36AQI (US)
2nd February 2026
14AQI (US)
3rd February 2026
20AQI (US)
4th February 2026
22AQI (US)
5th February 2026
31AQI (US)
6th February 2026
38AQI (US)
7th February 2026
12AQI (US)
8th February 2026
10AQI (US)
9th February 2026
33AQI (US)
10th February 2026
26AQI (US)
11th February 2026
41AQI (US)
12th February 2026
28AQI (US)
13th February 2026
37AQI (US)
14th February 2026
71AQI (US)
15th February 2026
71AQI (US)
16th February 2026
46AQI (US)
17th February 2026
18AQI (US)
18th February 2026
31AQI (US)
19th February 2026
30AQI (US)
20th February 2026
32AQI (US)
21st February 2026
46AQI (US)
22nd February 2026
43AQI (US)
23rd February 2026
47AQI (US)
24th February 2026
36AQI (US)
25th February 2026
36AQI (US)
26th February 2026
13AQI (US)
27th February 2026
43AQI (US)
28th February 2026
46AQI (US)
1st March 2026
42AQI (US)
2nd March 2026
89AQI (US)
3rd March 2026
45AQI (US)
4th March 2026
67AQI (US)
5th March 2026
64AQI (US)
6th March 2026
52AQI (US)
7th March 2026
48AQI (US)
8th March 2026
48AQI (US)
9th March 2026
45AQI (US)
10th March 2026
56AQI (US)
11th March 2026
59AQI (US)
12th March 2026
68AQI (US)
13th March 2026
42AQI (US)
14th March 2026
49AQI (US)
15th March 2026
60AQI (US)
16th March 2026
61AQI (US)
17th March 2026
57AQI (US)
18th March 2026
60AQI (US)
19th March 2026
39AQI (US)
20th March 2026
32AQI (US)
21st March 2026
52AQI (US)
22nd March 2026
50AQI (US)
23rd March 2026
55AQI (US)
24th March 2026
59AQI (US)
25th March 2026
45AQI (US)
26th March 2026
19AQI (US)
27th March 2026
19AQI (US)
28th March 2026
47AQI (US)
29th March 2026
52AQI (US)
30th March 2026
56AQI (US)
31st March 2026
32AQI (US)
1st April 2026
15AQI (US)
2nd April 2026
30AQI (US)
3rd April 2026
47AQI (US)
4th April 2026
45AQI (US)
5th April 2026
27AQI (US)
6th April 2026
13AQI (US)
7th April 2026
38AQI (US)
8th April 2026
20AQI (US)
9th April 2026
29AQI (US)
10th April 2026
46AQI (US)
11th April 2026
21AQI (US)
12th April 2026
24AQI (US)
13th April 2026
35AQI (US)
14th April 2026
39AQI (US)
15th April 2026
41AQI (US)
16th April 2026
33AQI (US)
17th April 2026
37AQI (US)
18th April 2026
36AQI (US)
19th April 2026
41AQI (US)
20th April 2026
37AQI (US)
21st April 2026
40AQI (US)
22nd April 2026
46AQI (US)
23rd April 2026
36AQI (US)
24th April 2026
31AQI (US)
25th April 2026
44AQI (US)
26th April 2026
50AQI (US)
27th April 2026
48AQI (US)
28th April 2026
41AQI (US)
29th April 2026
38AQI (US)
30th April 2026
41AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
50AQI (US)
3rd May 2026
44AQI (US)
4th May 2026
29AQI (US)
5th May 2026
22AQI (US)
6th May 2026
32AQI (US)
7th May 2026
34AQI (US)
8th May 2026
27AQI (US)
9th May 2026
24AQI (US)
10th May 2026
28AQI (US)
11th May 2026
31AQI (US)
12th May 2026
37AQI (US)
13th May 2026
44AQI (US)
14th May 2026
40AQI (US)
15th May 2026
33AQI (US)
16th May 2026
87AQI (US)
17th May 2026
70AQI (US)
18th May 2026
53AQI (US)
19th May 2026
49AQI (US)
20th May 2026
62AQI (US)
21st May 2026
61AQI (US)
22nd May 2026
62AQI (US)
23rd May 2026
53AQI (US)
24th May 2026
59AQI (US)
25th May 2026
47AQI (US)
26th May 2026
40AQI (US)
27th May 2026
25AQI (US)
28th May 2026
21AQI (US)
29th May 2026
15AQI (US)
30th May 2026
24AQI (US)
31st May 2026
27AQI (US)
1st June 2026
29AQI (US)
2nd June 2026
33AQI (US)
3rd June 2026
12AQI (US)
4th June 2026
12AQI (US)
5th June 2026
22AQI (US)
6th June 2026
21AQI (US)
7th June 2026
21AQI (US)
8th June 2026
20AQI (US)
9th June 2026
23AQI (US)
10th June 2026
22AQI (US)
11th June 2026
24AQI (US)
12th June 2026
24AQI (US)
13th June 2026
27AQI (US)
14th June 2026
36AQI (US)
15th June 2026
14AQI (US)
16th June 2026
16AQI (US)
17th June 2026
24AQI (US)
18th June 2026
25AQI (US)
19th June 2026
29AQI (US)
20th June 2026
21AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
22AQI (US)
25th June 2026
26AQI (US)
26th June 2026
29AQI (US)
27th June 2026
26AQI (US)
28th June 2026
29AQI (US)
29th June 2026
28AQI (US)
30th June 2026
23AQI (US)
1st July 2026
26AQI (US)
2nd July 2026
17AQI (US)
3rd July 2026
18AQI (US)
4th July 2026
26AQI (US)
5th July 2026
23AQI (US)
6th July 2026
26AQI (US)
7th July 2026
26AQI (US)
8th July 2026
20AQI (US)
9th July 2026
21AQI (US)
10th July 2026
25AQI (US)
11th July 2026
28AQI (US)
12th July 2026
28AQI (US)
13th July 2026
32AQI (US)
14th July 2026
28AQI (US)
15th July 2026
54AQI (US)
16th July 2026
68AQI (US)
17th July 2026
40AQI (US)
18th July 2026
8AQI (US)
19th July 2026
24AQI (US)
20th July 2026
35AQI (US)
21st July 2026
41AQI (US)
22nd July 2026
50AQI (US)
23rd July 2026
51AQI (US)
24th July 2026
23AQI (US)
25th July 2026
19AQI (US)
26th July 2026
27AQI (US)
27th July 2026
25AQI (US)
28th July 2026
23AQI (US)
29th July 2026
25AQI (US)
30th July 2026
33AQI (US)
31st July 2026
30AQI (US)
1st August 2026
45AQI (US)
2nd August 2026
38AQI (US)
3rd August 2026
22AQI (US)
4th August 2026
23AQI (US)
5th August 2026
25AQI (US)
6th August 2026
25AQI (US)
7th August 2026
25AQI (US)
8th August 2026
24AQI (US)
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

27AQI (US)

34AQI (US)

51AQI (US)

36AQI (US)

41AQI (US)

23AQI (US)

30AQI (US)

28AQI (US)

No. of days

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

202634AQI (US)

31
26
2
15
16
30
23
8
30
28
3
8
191
29

Highest AQI (US) recorded in

March

51AQI (US)

Lowest AQI (US) recorded in

June

23AQI (US)

202538AQI (US)

31
28
27
4
25
5
28
3
27
3
26
5
27
4
30
23
8
24
6
23
8
319
46

Highest AQI (US) recorded in

July

47AQI (US)

Lowest AQI (US) recorded in

September

32AQI (US)

202433AQI (US)

31
29
27
4
24
6
29
2
28
2
21
10
31
27
3
31
29
1
31
338
28

Highest AQI (US) recorded in

April

44AQI (US)

Lowest AQI (US) recorded in

August

26AQI (US)

202337AQI (US)

29
1
26
2
26
5
23
7
24
7
25
5
26
4
29
2
28
2
31
24
5
30
1
321
41

Highest AQI (US) recorded in

April

45AQI (US)

Lowest AQI (US) recorded in

January

31AQI (US)

202235AQI (US)

29
21
29
2
24
6
27
4
20
10
18
5
1
28
30
1
30
31
288
28

Highest AQI (US) recorded in

April

41AQI (US)

Lowest AQI (US) recorded in

December

27AQI (US)

202132AQI (US)

30
26
2
26
3
28
2
29
2
26
4
31
30
1
30
30
1
30
31
347
15

Highest AQI (US) recorded in

June

38AQI (US)

Lowest AQI (US) recorded in

January

26AQI (US)

202031AQI (US)

11
21
18
24
6
31
23
8
19
29
2
28
2
10
1
214
19

Highest AQI (US) recorded in

August

42AQI (US)

Lowest AQI (US) recorded in

September

25AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
38AQI (US)
Least Polluted Year Recorded
2020(Avg.)
31AQI (US)

Hitachiomiya's annual 2026 AQI (US) (34) shows an average percentage change of -0.4% (improved AQI (US)) compared to previous years: 2020 (31), 2021 (32), 2022 (35), 2023 (37), 2024 (33), 2025 (38).