Shimo Tsuma, 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
Shimo Tsuma, Ibaraki, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
70AQILowest AQI recorded on
8th Aug 2021
14AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Shimo Tsuma, Ibaraki, Japan
AQI
Day
Night
.
4 AM4th Aug 2025
6 PM
3 AM5th Aug 2025
Day time
Avg. Highest Time
5PM4th Aug
89AQI
Avg. Lowest Time
4AM4th Aug
41AQI
Night time
Avg. Highest Time
7PM4th Aug
72AQI
Avg. Lowest Time
3AM5th Aug
40AQI
In the last 24 hours,
Shimo Tsuma's AQI reached its highest point of 89 at 5 PM during the Day, while the lowest point, 40, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Shimo Tsuma, Ibaraki, Japan
JulAug
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 - 05th05th
Day
Night
6th Jul 2025514 AMAQI
6th Jul 2025525 AMAQI
6th Jul 2025526 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025639 AMAQI
6th Jul 20257210 AMAQI
6th Jul 20257111 AMAQI
6th Jul 20257212 PMAQI
6th Jul 2025731 PMAQI
6th Jul 2025742 PMAQI
6th Jul 2025803 PMAQI
6th Jul 2025824 PMAQI
6th Jul 2025815 PMAQI
6th Jul 2025786 PMAQI
6th Jul 2025917 PMAQI
6th Jul 2025918 PMAQI
6th Jul 2025779 PMAQI
6th Jul 20257310 PMAQI
6th Jul 20257711 PMAQI
7th Jul 20257312 AMAQI
7th Jul 2025541 AMAQI
7th Jul 2025522 AMAQI
7th Jul 2025523 AMAQI
30°C25/36°C
7th Jul 2025544 AMAQI
7th Jul 2025555 AMAQI
7th Jul 2025566 AMAQI
7th Jul 2025567 AMAQI
7th Jul 2025568 AMAQI
7th Jul 20251069 AMAQI
7th Jul 202513510 AMAQI
7th Jul 202513211 AMAQI
7th Jul 202512412 PMAQI
7th Jul 2025981 PMAQI
7th Jul 2025862 PMAQI
7th Jul 2025893 PMAQI
7th Jul 2025804 PMAQI
7th Jul 2025815 PMAQI
7th Jul 2025906 PMAQI
7th Jul 2025887 PMAQI
7th Jul 2025868 PMAQI
7th Jul 2025759 PMAQI
7th Jul 20258010 PMAQI
7th Jul 20257911 PMAQI
8th Jul 20257312 AMAQI
8th Jul 2025581 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025563 AMAQI
30°C27/36°C
8th Jul 2025604 AMAQI
8th Jul 2025665 AMAQI
8th Jul 2025666 AMAQI
8th Jul 2025667 AMAQI
8th Jul 2025678 AMAQI
8th Jul 20251129 AMAQI
8th Jul 202512410 AMAQI
8th Jul 202510811 AMAQI
8th Jul 202510112 PMAQI
8th Jul 2025941 PMAQI
8th Jul 2025832 PMAQI
8th Jul 2025763 PMAQI
8th Jul 2025814 PMAQI
8th Jul 2025865 PMAQI
8th Jul 2025896 PMAQI
8th Jul 2025897 PMAQI
8th Jul 2025878 PMAQI
8th Jul 2025789 PMAQI
8th Jul 20257810 PMAQI
8th Jul 20257911 PMAQI
9th Jul 20257712 AMAQI
9th Jul 2025651 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025633 AMAQI
30°C26/36°C
9th Jul 2025664 AMAQI
9th Jul 2025705 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025707 AMAQI
9th Jul 2025708 AMAQI
9th Jul 20251079 AMAQI
9th Jul 202511610 AMAQI
9th Jul 202512011 AMAQI
9th Jul 202511712 PMAQI
9th Jul 20251151 PMAQI
9th Jul 20251042 PMAQI
9th Jul 2025993 PMAQI
9th Jul 20251154 PMAQI
9th Jul 20251175 PMAQI
9th Jul 20251096 PMAQI
9th Jul 2025857 PMAQI
9th Jul 2025698 PMAQI
9th Jul 2025639 PMAQI
9th Jul 20255910 PMAQI
9th Jul 20255911 PMAQI
10th Jul 20256012 AMAQI
10th Jul 2025681 AMAQI
10th Jul 2025682 AMAQI
10th Jul 2025683 AMAQI
31°C26/36°C
10th Jul 2025724 AMAQI
10th Jul 2025765 AMAQI
10th Jul 2025756 AMAQI
10th Jul 2025767 AMAQI
10th Jul 2025768 AMAQI
10th Jul 2025459 AMAQI
10th Jul 20254710 AMAQI
10th Jul 20255811 AMAQI
10th Jul 20256112 PMAQI
10th Jul 2025651 PMAQI
10th Jul 2025642 PMAQI
10th Jul 2025583 PMAQI
10th Jul 2025614 PMAQI
10th Jul 2025525 PMAQI
10th Jul 2025456 PMAQI
10th Jul 2025287 PMAQI
10th Jul 2025408 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255710 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255912 AMAQI
11th Jul 2025671 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
28°C22/36°C
11th Jul 2025694 AMAQI
11th Jul 2025675 AMAQI
11th Jul 2025676 AMAQI
11th Jul 2025687 AMAQI
11th Jul 2025678 AMAQI
11th Jul 2025289 AMAQI
11th Jul 20252010 AMAQI
11th Jul 20253211 AMAQI
11th Jul 20251912 PMAQI
11th Jul 2025331 PMAQI
11th Jul 2025252 PMAQI
11th Jul 2025253 PMAQI
11th Jul 2025314 PMAQI
11th Jul 2025315 PMAQI
11th Jul 2025346 PMAQI
11th Jul 2025327 PMAQI
11th Jul 2025448 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20255812 AMAQI
12th Jul 2025641 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
23°C21/25°C
12th Jul 2025644 AMAQI
12th Jul 2025615 AMAQI
12th Jul 2025606 AMAQI
12th Jul 2025607 AMAQI
12th Jul 2025618 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20252610 AMAQI
12th Jul 20253411 AMAQI
12th Jul 20253812 PMAQI
12th Jul 2025451 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025443 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025365 PMAQI
12th Jul 2025296 PMAQI
12th Jul 2025347 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
23°C21/26°C
13th Jul 2025604 AMAQI
13th Jul 2025585 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025519 AMAQI
13th Jul 20254610 AMAQI
13th Jul 20255011 AMAQI
13th Jul 20255012 PMAQI
13th Jul 2025501 PMAQI
13th Jul 2025492 PMAQI
13th Jul 2025503 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025465 PMAQI
13th Jul 2025456 PMAQI
13th Jul 2025437 PMAQI
13th Jul 2025448 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255010 PMAQI
13th Jul 20254511 PMAQI
14th Jul 20254812 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
25°C22/31°C
14th Jul 2025574 AMAQI
14th Jul 2025565 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025279 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20251612 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025232 PMAQI
14th Jul 2025233 PMAQI
14th Jul 2025234 PMAQI
14th Jul 2025235 PMAQI
14th Jul 2025276 PMAQI
14th Jul 2025347 PMAQI
14th Jul 2025318 PMAQI
14th Jul 2025409 PMAQI
14th Jul 20254110 PMAQI
14th Jul 20254311 PMAQI
15th Jul 20254512 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
25°C23/28°C
15th Jul 2025544 AMAQI
15th Jul 2025525 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025349 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20252111 AMAQI
15th Jul 20251712 PMAQI
15th Jul 2025191 PMAQI
15th Jul 2025192 PMAQI
15th Jul 2025223 PMAQI
15th Jul 2025234 PMAQI
15th Jul 2025245 PMAQI
15th Jul 2025276 PMAQI
15th Jul 2025297 PMAQI
15th Jul 2025378 PMAQI
15th Jul 2025429 PMAQI
15th Jul 20254210 PMAQI
15th Jul 20254011 PMAQI
16th Jul 20254012 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025533 AMAQI
26°C25/28°C
16th Jul 2025524 AMAQI
16th Jul 2025505 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025489 AMAQI
16th Jul 20254210 AMAQI
16th Jul 20253811 AMAQI
16th Jul 20253412 PMAQI
16th Jul 2025301 PMAQI
16th Jul 2025242 PMAQI
16th Jul 2025223 PMAQI
16th Jul 2025224 PMAQI
16th Jul 2025255 PMAQI
16th Jul 2025326 PMAQI
16th Jul 2025187 PMAQI
16th Jul 2025258 PMAQI
16th Jul 2025379 PMAQI
16th Jul 20253810 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20254212 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025513 AMAQI
27°C25/29°C
17th Jul 2025504 AMAQI
17th Jul 2025475 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025478 AMAQI
17th Jul 2025259 AMAQI
17th Jul 20252510 AMAQI
17th Jul 20253311 AMAQI
17th Jul 20253712 PMAQI
17th Jul 2025291 PMAQI
17th Jul 2025272 PMAQI
17th Jul 2025253 PMAQI
17th Jul 2025324 PMAQI
17th Jul 2025355 PMAQI
17th Jul 2025406 PMAQI
17th Jul 2025447 PMAQI
17th Jul 2025528 PMAQI
17th Jul 2025499 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20254111 PMAQI
18th Jul 20253812 AMAQI
18th Jul 2025491 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025493 AMAQI
28°C26/32°C
18th Jul 2025484 AMAQI
18th Jul 2025455 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025448 AMAQI
18th Jul 2025389 AMAQI
18th Jul 20253310 AMAQI
18th Jul 20253111 AMAQI
18th Jul 20252512 PMAQI
18th Jul 2025261 PMAQI
18th Jul 2025242 PMAQI
18th Jul 2025253 PMAQI
18th Jul 2025184 PMAQI
18th Jul 2025205 PMAQI
18th Jul 2025226 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025318 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20253811 PMAQI
19th Jul 20254412 AMAQI
19th Jul 2025451 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
28°C25/33°C
19th Jul 2025454 AMAQI
19th Jul 2025425 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025437 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20253510 AMAQI
19th Jul 20252811 AMAQI
19th Jul 20252012 PMAQI
19th Jul 2025241 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025183 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025175 PMAQI
19th Jul 2025256 PMAQI
19th Jul 2025377 PMAQI
19th Jul 2025328 PMAQI
19th Jul 2025399 PMAQI
19th Jul 20254210 PMAQI
19th Jul 20253511 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025431 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
28°C24/33°C
20th Jul 2025434 AMAQI
20th Jul 2025415 AMAQI
20th Jul 2025416 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025339 AMAQI
20th Jul 20253010 AMAQI
20th Jul 20252311 AMAQI
20th Jul 20253112 PMAQI
20th Jul 2025341 PMAQI
20th Jul 2025342 PMAQI
20th Jul 2025273 PMAQI
20th Jul 2025254 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025286 PMAQI
20th Jul 2025387 PMAQI
20th Jul 2025368 PMAQI
20th Jul 2025389 PMAQI
20th Jul 20253810 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20253912 AMAQI
21st Jul 2025411 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025423 AMAQI
29°C25/35°C
21st Jul 2025414 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025396 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025329 AMAQI
21st Jul 20253410 AMAQI
21st Jul 20254811 AMAQI
21st Jul 20254712 PMAQI
21st Jul 2025441 PMAQI
21st Jul 2025442 PMAQI
21st Jul 2025353 PMAQI
21st Jul 2025534 PMAQI
21st Jul 2025495 PMAQI
21st Jul 2025466 PMAQI
21st Jul 2025517 PMAQI
21st Jul 2025428 PMAQI
21st Jul 2025419 PMAQI
21st Jul 20253510 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20254012 AMAQI
22nd Jul 2025391 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025393 AMAQI
30°C26/37°C
22nd Jul 2025404 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025407 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20253410 AMAQI
22nd Jul 20252811 AMAQI
22nd Jul 20253612 PMAQI
22nd Jul 2025441 PMAQI
22nd Jul 2025522 PMAQI
22nd Jul 2025523 PMAQI
22nd Jul 2025524 PMAQI
22nd Jul 2025555 PMAQI
22nd Jul 2025616 PMAQI
22nd Jul 2025557 PMAQI
22nd Jul 2025468 PMAQI
22nd Jul 2025359 PMAQI
22nd Jul 20253310 PMAQI
22nd Jul 20253511 PMAQI
23rd Jul 20253712 AMAQI
23rd Jul 2025381 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025403 AMAQI
31°C26/37°C
23rd Jul 2025394 AMAQI
23rd Jul 2025405 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025408 AMAQI
23rd Jul 2025339 AMAQI
23rd Jul 20254410 AMAQI
23rd Jul 20254311 AMAQI
23rd Jul 20254212 PMAQI
23rd Jul 2025501 PMAQI
23rd Jul 2025562 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025565 PMAQI
23rd Jul 2025496 PMAQI
23rd Jul 2025497 PMAQI
23rd Jul 2025518 PMAQI
23rd Jul 2025509 PMAQI
23rd Jul 20254010 PMAQI
23rd Jul 20253411 PMAQI
24th Jul 20253212 AMAQI
24th Jul 2025391 AMAQI
24th Jul 2025392 AMAQI
24th Jul 2025403 AMAQI
31°C26/38°C
24th Jul 2025404 AMAQI
24th Jul 2025425 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025329 AMAQI
24th Jul 20253510 AMAQI
24th Jul 20254611 AMAQI
24th Jul 20255512 PMAQI
24th Jul 2025541 PMAQI
24th Jul 2025512 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025514 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025536 PMAQI
24th Jul 2025487 PMAQI
24th Jul 2025448 PMAQI
24th Jul 2025469 PMAQI
24th Jul 20253810 PMAQI
24th Jul 20253811 PMAQI
25th Jul 20253712 AMAQI
25th Jul 2025401 AMAQI
25th Jul 2025382 AMAQI
25th Jul 2025383 AMAQI
31°C25/38°C
25th Jul 2025404 AMAQI
25th Jul 2025415 AMAQI
25th Jul 2025426 AMAQI
25th Jul 2025427 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025309 AMAQI
25th Jul 20253210 AMAQI
25th Jul 20254111 AMAQI
25th Jul 20255112 PMAQI
25th Jul 2025511 PMAQI
25th Jul 2025482 PMAQI
25th Jul 2025523 PMAQI
25th Jul 2025544 PMAQI
25th Jul 2025525 PMAQI
25th Jul 2025446 PMAQI
25th Jul 2025307 PMAQI
25th Jul 2025438 PMAQI
25th Jul 2025429 PMAQI
25th Jul 20253910 PMAQI
25th Jul 20253711 PMAQI
26th Jul 20253612 AMAQI
26th Jul 2025401 AMAQI
26th Jul 2025402 AMAQI
26th Jul 2025403 AMAQI
31°C26/38°C
26th Jul 2025404 AMAQI
26th Jul 2025425 AMAQI
26th Jul 2025416 AMAQI
26th Jul 2025427 AMAQI
26th Jul 2025428 AMAQI
26th Jul 2025329 AMAQI
26th Jul 20252710 AMAQI
26th Jul 20254011 AMAQI
26th Jul 20256012 PMAQI
26th Jul 2025561 PMAQI
26th Jul 2025582 PMAQI
26th Jul 2025603 PMAQI
26th Jul 2025564 PMAQI
26th Jul 2025485 PMAQI
26th Jul 2025326 PMAQI
26th Jul 2025397 PMAQI
26th Jul 2025498 PMAQI
26th Jul 2025449 PMAQI
26th Jul 20253910 PMAQI
26th Jul 20253511 PMAQI
27th Jul 20253412 AMAQI
27th Jul 2025391 AMAQI
27th Jul 2025392 AMAQI
27th Jul 2025403 AMAQI
31°C26/38°C
27th Jul 2025414 AMAQI
27th Jul 2025425 AMAQI
27th Jul 2025426 AMAQI
27th Jul 2025427 AMAQI
27th Jul 2025438 AMAQI
27th Jul 2025439 AMAQI
27th Jul 20255010 AMAQI
27th Jul 20254811 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025521 PMAQI
27th Jul 2025502 PMAQI
27th Jul 2025433 PMAQI
27th Jul 2025424 PMAQI
27th Jul 2025495 PMAQI
27th Jul 2025366 PMAQI
27th Jul 2025377 PMAQI
27th Jul 2025338 PMAQI
27th Jul 2025419 PMAQI
27th Jul 20253710 PMAQI
27th Jul 20253311 PMAQI
28th Jul 20253312 AMAQI
28th Jul 2025361 AMAQI
28th Jul 2025392 AMAQI
28th Jul 2025403 AMAQI
31°C26/38°C
28th Jul 2025404 AMAQI
28th Jul 2025425 AMAQI
28th Jul 2025426 AMAQI
28th Jul 2025427 AMAQI
28th Jul 2025428 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20252810 AMAQI
28th Jul 20253111 AMAQI
28th Jul 20253012 PMAQI
28th Jul 2025381 PMAQI
28th Jul 2025342 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025414 PMAQI
28th Jul 2025405 PMAQI
28th Jul 2025526 PMAQI
28th Jul 2025447 PMAQI
28th Jul 2025458 PMAQI
28th Jul 2025449 PMAQI
28th Jul 20254310 PMAQI
28th Jul 20254311 PMAQI
29th Jul 20253712 AMAQI
29th Jul 2025401 AMAQI
29th Jul 2025402 AMAQI
29th Jul 2025393 AMAQI
32°C26/39°C
29th Jul 2025404 AMAQI
29th Jul 2025405 AMAQI
29th Jul 2025386 AMAQI
29th Jul 2025397 AMAQI
29th Jul 2025388 AMAQI
29th Jul 2025379 AMAQI
29th Jul 20253710 AMAQI
29th Jul 20254411 AMAQI
29th Jul 20255012 PMAQI
29th Jul 2025411 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025523 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025445 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025297 PMAQI
29th Jul 2025268 PMAQI
29th Jul 2025349 PMAQI
29th Jul 20253210 PMAQI
29th Jul 20252911 PMAQI
30th Jul 20253212 AMAQI
30th Jul 2025371 AMAQI
30th Jul 2025402 AMAQI
30th Jul 2025403 AMAQI
31°C27/39°C
30th Jul 2025404 AMAQI
30th Jul 2025415 AMAQI
30th Jul 2025416 AMAQI
30th Jul 2025427 AMAQI
30th Jul 2025418 AMAQI
30th Jul 2025309 AMAQI
30th Jul 20252610 AMAQI
30th Jul 20253011 AMAQI
30th Jul 20252312 PMAQI
30th Jul 2025231 PMAQI
30th Jul 2025212 PMAQI
30th Jul 2025263 PMAQI
30th Jul 2025264 PMAQI
30th Jul 2025325 PMAQI
30th Jul 2025366 PMAQI
30th Jul 2025367 PMAQI
30th Jul 2025468 PMAQI
30th Jul 2025429 PMAQI
30th Jul 20253210 PMAQI
30th Jul 20253311 PMAQI
31st Jul 20254212 AMAQI
31st Jul 2025381 AMAQI
31st Jul 2025382 AMAQI
31st Jul 2025393 AMAQI
29°C25/36°C
31st Jul 2025384 AMAQI
31st Jul 2025385 AMAQI
31st Jul 2025386 AMAQI
31st Jul 2025387 AMAQI
31st Jul 2025388 AMAQI
31st Jul 2025389 AMAQI
31st Jul 20253810 AMAQI
31st Jul 20252911 AMAQI
31st Jul 20253012 PMAQI
31st Jul 2025211 PMAQI
31st Jul 2025182 PMAQI
31st Jul 2025193 PMAQI
31st Jul 2025214 PMAQI
31st Jul 2025265 PMAQI
31st Jul 2025316 PMAQI
31st Jul 2025317 PMAQI
31st Jul 2025358 PMAQI
31st Jul 2025309 PMAQI
31st Jul 20253210 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20253112 AMAQI
1st Aug 2025331 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025373 AMAQI
28°C24/34°C
1st Aug 2025374 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025357 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025389 AMAQI
1st Aug 20253510 AMAQI
1st Aug 20253511 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025341 PMAQI
1st Aug 2025342 PMAQI
1st Aug 2025273 PMAQI
1st Aug 2025434 PMAQI
1st Aug 2025355 PMAQI
1st Aug 2025426 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025299 PMAQI
1st Aug 20253410 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252812 AMAQI
2nd Aug 2025351 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025403 AMAQI
27°C24/33°C
2nd Aug 2025404 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025329 AMAQI
2nd Aug 20253610 AMAQI
2nd Aug 20254011 AMAQI
2nd Aug 20253012 PMAQI
2nd Aug 2025341 PMAQI
2nd Aug 2025482 PMAQI
2nd Aug 2025463 PMAQI
2nd Aug 2025384 PMAQI
2nd Aug 2025425 PMAQI
2nd Aug 2025426 PMAQI
2nd Aug 2025467 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254211 PMAQI
3rd Aug 20253212 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025383 AMAQI
31°C26/38°C
3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025439 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255011 AMAQI
3rd Aug 20255612 PMAQI
3rd Aug 2025501 PMAQI
3rd Aug 2025542 PMAQI
3rd Aug 2025483 PMAQI
3rd Aug 2025454 PMAQI
3rd Aug 2025475 PMAQI
3rd Aug 2025506 PMAQI
3rd Aug 2025467 PMAQI
3rd Aug 2025438 PMAQI
3rd Aug 2025409 PMAQI
3rd Aug 20254010 PMAQI
3rd Aug 20253811 PMAQI
4th Aug 20253612 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
31°C27/37°C
4th Aug 2025414 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025569 AMAQI
4th Aug 20256110 AMAQI
4th Aug 20257311 AMAQI
4th Aug 20257212 PMAQI
4th Aug 2025721 PMAQI
4th Aug 2025792 PMAQI
4th Aug 2025733 PMAQI
4th Aug 2025804 PMAQI
4th Aug 2025895 PMAQI
4th Aug 2025716 PMAQI
4th Aug 2025727 PMAQI
4th Aug 2025648 PMAQI
4th Aug 2025579 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20254711 PMAQI
5th Aug 20255112 AMAQI
5th Aug 2025411 AMAQI
5th Aug 2025402 AMAQI
5th Aug 2025403 AMAQI
31°C27/38°C
5th Aug 2025504 AMAQI
4 AM5th Aug 2025525 AMAQI
5th Aug 2025516 AMAQI
5th Aug 2025497 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025559 AMAQI
5th Aug 20255710 AMAQI
5th Aug 20255611 AMAQI
11 AM5th Aug 20256312 PMAQI
5th Aug 2025551 PMAQI
5th Aug 2025522 PMAQI
5th Aug 2025503 PMAQI
5th Aug 2025554 PMAQI
5th Aug 2025495 PMAQI
5th Aug 2025506 PMAQI
6 PM5th Aug 2025427 PMAQI
5th Aug 2025428 PMAQI
5th Aug 2025459 PMAQI
5th Aug 20254410 PMAQI
5th Aug 20254011 PMAQI
11 PM3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
48AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 6 PM
47AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 48), while the lowest AQI was between 9 AM to 6 PM (Avg. 47).
Night time
Avg. Highest Time
1 AM - 3 AM
47AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM
44AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 47), while the lowest AQI was between 12 AM to 12 AM (Avg. 44).
2025 Days Vs Air Quality
Shimo Tsuma, Ibaraki, Japan
2025
88%
190
12%
26
Total number of days with different AQI categories in last 217 days in 2025 (148 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 217 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
Shimo Tsuma, 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
31AQI
31AQI
2nd January 2025
31AQI
31AQI
3rd January 2025
24AQI
24AQI
4th January 2025
27AQI
27AQI
5th January 2025
35AQI
35AQI
6th January 2025
63AQI
63AQI
7th January 2025
38AQI
38AQI
8th January 2025
40AQI
40AQI
9th January 2025
30AQI
30AQI
10th January 2025
31AQI
31AQI
11th January 2025
30AQI
30AQI
12th January 2025
41AQI
41AQI
13th January 2025
32AQI
32AQI
14th January 2025
40AQI
40AQI
15th January 2025
35AQI
35AQI
16th January 2025
35AQI
35AQI
17th January 2025
30AQI
30AQI
18th January 2025
37AQI
37AQI
19th January 2025
60AQI
60AQI
20th January 2025
45AQI
45AQI
21st January 2025
52AQI
52AQI
22nd January 2025
42AQI
42AQI
23rd January 2025
53AQI
53AQI
24th January 2025
47AQI
47AQI
25th January 2025
43AQI
43AQI
26th January 2025
36AQI
36AQI
27th January 2025
38AQI
38AQI
28th January 2025
40AQI
40AQI
29th January 2025
32AQI
32AQI
30th January 2025
33AQI
33AQI
31st January 2025
29AQI
29AQI
1st February 2025
38AQI
38AQI
2nd February 2025
35AQI
35AQI
3rd February 2025
39AQI
39AQI
4th February 2025
32AQI
32AQI
5th February 2025
36AQI
36AQI
6th February 2025
30AQI
30AQI
7th February 2025
30AQI
30AQI
8th February 2025
30AQI
30AQI
9th February 2025
30AQI
30AQI
10th February 2025
30AQI
30AQI
11th February 2025
30AQI
30AQI
12th February 2025
41AQI
41AQI
13th February 2025
39AQI
39AQI
14th February 2025
35AQI
35AQI
15th February 2025
33AQI
33AQI
16th February 2025
39AQI
39AQI
17th February 2025
36AQI
36AQI
18th February 2025
32AQI
32AQI
19th February 2025
31AQI
31AQI
20th February 2025
31AQI
31AQI
21st February 2025
31AQI
31AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
33AQI
33AQI
24th February 2025
32AQI
32AQI
25th February 2025
35AQI
35AQI
26th February 2025
37AQI
37AQI
27th February 2025
41AQI
41AQI
28th February 2025
51AQI
51AQI
1st March 2025
48AQI
48AQI
2nd March 2025
63AQI
63AQI
3rd March 2025
41AQI
41AQI
4th March 2025
41AQI
41AQI
5th March 2025
27AQI
27AQI
6th March 2025
33AQI
33AQI
7th March 2025
31AQI
31AQI
8th March 2025
40AQI
40AQI
9th March 2025
34AQI
34AQI
10th March 2025
39AQI
39AQI
11th March 2025
45AQI
45AQI
12th March 2025
50AQI
50AQI
13th March 2025
46AQI
46AQI
14th March 2025
35AQI
35AQI
15th March 2025
38AQI
38AQI
16th March 2025
26AQI
26AQI
17th March 2025
23AQI
23AQI
18th March 2025
25AQI
25AQI
19th March 2025
20AQI
20AQI
20th March 2025
26AQI
26AQI
21st March 2025
40AQI
40AQI
22nd March 2025
49AQI
49AQI
23rd March 2025
52AQI
52AQI
24th March 2025
49AQI
49AQI
25th March 2025
67AQI
67AQI
26th March 2025
64AQI
64AQI
27th March 2025
71AQI
71AQI
28th March 2025
50AQI
50AQI
29th March 2025
40AQI
40AQI
30th March 2025
36AQI
36AQI
31st March 2025
36AQI
36AQI
1st April 2025
28AQI
28AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
21AQI
21AQI
4th April 2025
26AQI
26AQI
5th April 2025
25AQI
25AQI
6th April 2025
27AQI
27AQI
7th April 2025
28AQI
28AQI
8th April 2025
39AQI
39AQI
9th April 2025
28AQI
28AQI
10th April 2025
46AQI
46AQI
11th April 2025
40AQI
40AQI
12th April 2025
38AQI
38AQI
13th April 2025
28AQI
28AQI
14th April 2025
37AQI
37AQI
15th April 2025
27AQI
27AQI
16th April 2025
28AQI
28AQI
17th April 2025
40AQI
40AQI
18th April 2025
50AQI
50AQI
19th April 2025
63AQI
63AQI
20th April 2025
51AQI
51AQI
21st April 2025
44AQI
44AQI
22nd April 2025
47AQI
47AQI
23rd April 2025
30AQI
30AQI
24th April 2025
38AQI
38AQI
25th April 2025
41AQI
41AQI
26th April 2025
45AQI
45AQI
27th April 2025
48AQI
48AQI
28th April 2025
47AQI
47AQI
29th April 2025
33AQI
33AQI
30th April 2025
43AQI
43AQI
1st May 2025
38AQI
38AQI
2nd May 2025
27AQI
27AQI
3rd May 2025
30AQI
30AQI
4th May 2025
36AQI
36AQI
5th May 2025
31AQI
31AQI
6th May 2025
29AQI
29AQI
7th May 2025
24AQI
24AQI
8th May 2025
28AQI
28AQI
9th May 2025
29AQI
29AQI
10th May 2025
22AQI
22AQI
11th May 2025
26AQI
26AQI
12th May 2025
23AQI
23AQI
13th May 2025
35AQI
35AQI
14th May 2025
35AQI
35AQI
15th May 2025
40AQI
40AQI
16th May 2025
44AQI
44AQI
17th May 2025
27AQI
27AQI
18th May 2025
48AQI
48AQI
19th May 2025
37AQI
37AQI
20th May 2025
62AQI
62AQI
21st May 2025
51AQI
51AQI
22nd May 2025
51AQI
51AQI
23rd May 2025
45AQI
45AQI
24th May 2025
41AQI
41AQI
25th May 2025
31AQI
31AQI
26th May 2025
27AQI
27AQI
27th May 2025
25AQI
25AQI
28th May 2025
25AQI
25AQI
29th May 2025
28AQI
28AQI
30th May 2025
24AQI
24AQI
31st May 2025
18AQI
18AQI
1st June 2025
22AQI
22AQI
2nd June 2025
31AQI
31AQI
3rd June 2025
30AQI
30AQI
4th June 2025
27AQI
27AQI
5th June 2025
37AQI
37AQI
6th June 2025
45AQI
45AQI
7th June 2025
50AQI
50AQI
8th June 2025
61AQI
61AQI
9th June 2025
52AQI
52AQI
10th June 2025
38AQI
38AQI
11th June 2025
34AQI
34AQI
12th June 2025
46AQI
46AQI
13th June 2025
38AQI
38AQI
14th June 2025
37AQI
37AQI
15th June 2025
34AQI
34AQI
16th June 2025
39AQI
39AQI
17th June 2025
46AQI
46AQI
18th June 2025
41AQI
41AQI
19th June 2025
42AQI
42AQI
20th June 2025
40AQI
40AQI
21st June 2025
34AQI
34AQI
22nd June 2025
30AQI
30AQI
23rd June 2025
30AQI
30AQI
24th June 2025
32AQI
32AQI
25th June 2025
24AQI
24AQI
26th June 2025
27AQI
27AQI
27th June 2025
33AQI
33AQI
28th June 2025
32AQI
32AQI
29th June 2025
42AQI
42AQI
30th June 2025
46AQI
46AQI
1st July 2025
44AQI
44AQI
2nd July 2025
49AQI
49AQI
3rd July 2025
51AQI
51AQI
4th July 2025
52AQI
52AQI
5th July 2025
55AQI
55AQI
6th July 2025
68AQI
68AQI
7th July 2025
79AQI
79AQI
8th July 2025
79AQI
79AQI
9th July 2025
84AQI
84AQI
10th July 2025
59AQI
59AQI
11th July 2025
48AQI
48AQI
12th July 2025
49AQI
49AQI
13th July 2025
52AQI
52AQI
14th July 2025
39AQI
39AQI
15th July 2025
38AQI
38AQI
16th July 2025
39AQI
39AQI
17th July 2025
42AQI
42AQI
18th July 2025
36AQI
36AQI
19th July 2025
35AQI
35AQI
20th July 2025
36AQI
36AQI
21st July 2025
41AQI
41AQI
22nd July 2025
42AQI
42AQI
23rd July 2025
44AQI
44AQI
24th July 2025
44AQI
44AQI
25th July 2025
42AQI
42AQI
26th July 2025
43AQI
43AQI
27th July 2025
42AQI
42AQI
28th July 2025
39AQI
39AQI
29th July 2025
38AQI
38AQI
30th July 2025
35AQI
35AQI
31st July 2025
33AQI
33AQI
1st August 2025
34AQI
34AQI
2nd August 2025
39AQI
39AQI
3rd August 2025
43AQI
43AQI
4th August 2025
46AQI
46AQI
38AQI
35AQI
41AQI
37AQI
33AQI
37AQI
48AQI
41AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
27
4
27
1
26
5
28
2
28
3
28
2
22
9
4
190
26
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
May33AQI
202441AQI
24
7
24
5
24
7
20
10
25
6
24
6
16
15
29
2
26
4
28
3
27
3
28
3
295
71
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
August34AQI
202342AQI
24
6
1
22
6
27
4
24
6
27
4
23
7
17
14
29
2
26
4
29
2
18
11
20
11
286
77
1
Highest AQI recorded in
December50AQI
Lowest AQI recorded in
August34AQI
202241AQI
24
7
15
6
19
12
22
8
25
6
20
10
17
7
1
26
2
26
5
20
10
25
6
240
79
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August24AQI
202138AQI
20
11
19
9
25
5
27
3
25
6
26
4
31
28
3
27
3
27
4
20
10
19
12
294
70
Highest AQI recorded in
December46AQI
Lowest AQI recorded in
April31AQI
202037AQI
10
3
20
1
17
1
24
6
31
24
7
19
27
4
16
14
5
4
1
193
40
1
Highest AQI recorded in
December57AQI
Lowest AQI recorded in
September29AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
42AQILeast Polluted Year Recorded
2020(Avg.)
37AQIShimo Tsuma's annual 2025 AQI (39) shows an average percentage change of -3.03% (improved AQI) compared to previous years: 2020 (37), 2021 (38), 2022 (41), 2023 (42), 2024 (41).
