Tsuchiura, 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
Tsuchiura, Ibaraki, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
64AQILowest AQI recorded on
8th Aug 2021
17AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Tsuchiura, Ibaraki, Japan
AQI
Day
Night
.
4 AM4th Aug 2025
6 PM
3 AM5th Aug 2025
Day time
Avg. Highest Time
5PM4th Aug
84AQI
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,
Tsuchiura's AQI reached its highest point of 84 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
Tsuchiura, 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 2025679 AMAQI
6th Jul 20257710 AMAQI
6th Jul 20259011 AMAQI
6th Jul 20258412 PMAQI
6th Jul 2025751 PMAQI
6th Jul 2025772 PMAQI
6th Jul 2025863 PMAQI
6th Jul 2025924 PMAQI
6th Jul 2025925 PMAQI
6th Jul 20251036 PMAQI
6th Jul 20251067 PMAQI
6th Jul 20251098 PMAQI
6th Jul 2025789 PMAQI
6th Jul 20258310 PMAQI
6th Jul 20257811 PMAQI
7th Jul 20257112 AMAQI
7th Jul 2025531 AMAQI
7th Jul 2025522 AMAQI
7th Jul 2025523 AMAQI
30°C25/35°C
7th Jul 2025544 AMAQI
7th Jul 2025585 AMAQI
7th Jul 2025586 AMAQI
7th Jul 2025577 AMAQI
7th Jul 2025588 AMAQI
7th Jul 20251029 AMAQI
7th Jul 202511310 AMAQI
7th Jul 202512011 AMAQI
7th Jul 202511712 PMAQI
7th Jul 2025971 PMAQI
7th Jul 2025842 PMAQI
7th Jul 2025823 PMAQI
7th Jul 2025944 PMAQI
7th Jul 20251045 PMAQI
7th Jul 20251026 PMAQI
7th Jul 20251097 PMAQI
7th Jul 20251028 PMAQI
7th Jul 2025859 PMAQI
7th Jul 20258410 PMAQI
7th Jul 20258111 PMAQI
8th Jul 20257212 AMAQI
8th Jul 2025581 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025563 AMAQI
30°C26/36°C
8th Jul 2025604 AMAQI
8th Jul 2025665 AMAQI
8th Jul 2025666 AMAQI
8th Jul 2025667 AMAQI
8th Jul 2025668 AMAQI
8th Jul 2025989 AMAQI
8th Jul 202510710 AMAQI
8th Jul 202510611 AMAQI
8th Jul 20259812 PMAQI
8th Jul 2025881 PMAQI
8th Jul 2025822 PMAQI
8th Jul 2025873 PMAQI
8th Jul 2025854 PMAQI
8th Jul 2025905 PMAQI
8th Jul 2025906 PMAQI
8th Jul 2025987 PMAQI
8th Jul 2025938 PMAQI
8th Jul 2025799 PMAQI
8th Jul 20257810 PMAQI
8th Jul 20257611 PMAQI
9th Jul 20257612 AMAQI
9th Jul 2025621 AMAQI
9th Jul 2025622 AMAQI
9th Jul 2025623 AMAQI
31°C26/36°C
9th Jul 2025644 AMAQI
9th Jul 2025695 AMAQI
9th Jul 2025706 AMAQI
9th Jul 2025697 AMAQI
9th Jul 2025708 AMAQI
9th Jul 20251009 AMAQI
9th Jul 202510810 AMAQI
9th Jul 202511011 AMAQI
9th Jul 202510512 PMAQI
9th Jul 20251041 PMAQI
9th Jul 20251022 PMAQI
9th Jul 20251063 PMAQI
9th Jul 20251204 PMAQI
9th Jul 20251115 PMAQI
9th Jul 2025876 PMAQI
9th Jul 2025737 PMAQI
9th Jul 2025678 PMAQI
9th Jul 2025649 PMAQI
9th Jul 20256110 PMAQI
9th Jul 20255811 PMAQI
10th Jul 20256012 AMAQI
10th Jul 2025701 AMAQI
10th Jul 2025712 AMAQI
10th Jul 2025693 AMAQI
30°C27/36°C
10th Jul 2025724 AMAQI
10th Jul 2025765 AMAQI
10th Jul 2025776 AMAQI
10th Jul 2025777 AMAQI
10th Jul 2025768 AMAQI
10th Jul 2025539 AMAQI
10th Jul 20255410 AMAQI
10th Jul 20255711 AMAQI
10th Jul 20256312 PMAQI
10th Jul 2025631 PMAQI
10th Jul 2025562 PMAQI
10th Jul 2025563 PMAQI
10th Jul 2025574 PMAQI
10th Jul 2025525 PMAQI
10th Jul 2025516 PMAQI
10th Jul 2025347 PMAQI
10th Jul 2025428 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255610 PMAQI
10th Jul 20255611 PMAQI
11th Jul 20255912 AMAQI
11th Jul 2025661 AMAQI
11th Jul 2025682 AMAQI
11th Jul 2025673 AMAQI
27°C21/35°C
11th Jul 2025674 AMAQI
11th Jul 2025665 AMAQI
11th Jul 2025666 AMAQI
11th Jul 2025677 AMAQI
11th Jul 2025678 AMAQI
11th Jul 2025289 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251611 AMAQI
11th Jul 20251812 PMAQI
11th Jul 2025301 PMAQI
11th Jul 2025302 PMAQI
11th Jul 2025313 PMAQI
11th Jul 2025314 PMAQI
11th Jul 2025325 PMAQI
11th Jul 2025356 PMAQI
11th Jul 2025357 PMAQI
11th Jul 2025448 PMAQI
11th Jul 2025559 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255912 AMAQI
12th Jul 2025631 AMAQI
12th Jul 2025642 AMAQI
12th Jul 2025643 AMAQI
22°C21/25°C
12th Jul 2025624 AMAQI
12th Jul 2025585 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025588 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20254210 AMAQI
12th Jul 20253411 AMAQI
12th Jul 20253912 PMAQI
12th Jul 2025461 PMAQI
12th Jul 2025422 PMAQI
12th Jul 2025373 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025425 PMAQI
12th Jul 2025386 PMAQI
12th Jul 2025397 PMAQI
12th Jul 2025478 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025602 AMAQI
13th Jul 2025603 AMAQI
22°C20/26°C
13th Jul 2025594 AMAQI
13th Jul 2025575 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025578 AMAQI
13th Jul 2025449 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20253312 PMAQI
13th Jul 2025421 PMAQI
13th Jul 2025452 PMAQI
13th Jul 2025433 PMAQI
13th Jul 2025424 PMAQI
13th Jul 2025415 PMAQI
13th Jul 2025476 PMAQI
13th Jul 2025467 PMAQI
13th Jul 2025508 PMAQI
13th Jul 2025519 PMAQI
13th Jul 20255010 PMAQI
13th Jul 20255011 PMAQI
14th Jul 20254912 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025572 AMAQI
14th Jul 2025583 AMAQI
26°C22/30°C
14th Jul 2025574 AMAQI
14th Jul 2025565 AMAQI
14th Jul 2025566 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025329 AMAQI
14th Jul 20252410 AMAQI
14th Jul 20252711 AMAQI
14th Jul 20252312 PMAQI
14th Jul 2025291 PMAQI
14th Jul 2025282 PMAQI
14th Jul 2025283 PMAQI
14th Jul 2025284 PMAQI
14th Jul 2025265 PMAQI
14th Jul 2025296 PMAQI
14th Jul 2025377 PMAQI
14th Jul 2025468 PMAQI
14th Jul 2025489 PMAQI
14th Jul 20254710 PMAQI
14th Jul 20254811 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025553 AMAQI
25°C23/29°C
15th Jul 2025544 AMAQI
15th Jul 2025525 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025329 AMAQI
15th Jul 20252110 AMAQI
15th Jul 20251911 AMAQI
15th Jul 20251912 PMAQI
15th Jul 2025281 PMAQI
15th Jul 2025242 PMAQI
15th Jul 2025263 PMAQI
15th Jul 2025294 PMAQI
15th Jul 2025365 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025347 PMAQI
15th Jul 2025328 PMAQI
15th Jul 2025439 PMAQI
15th Jul 20254410 PMAQI
15th Jul 20254511 PMAQI
16th Jul 20254812 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025533 AMAQI
26°C25/28°C
16th Jul 2025524 AMAQI
16th Jul 2025515 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025517 AMAQI
16th Jul 2025518 AMAQI
16th Jul 2025479 AMAQI
16th Jul 20254410 AMAQI
16th Jul 20254011 AMAQI
16th Jul 20252612 PMAQI
16th Jul 2025271 PMAQI
16th Jul 2025272 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025244 PMAQI
16th Jul 2025305 PMAQI
16th Jul 2025266 PMAQI
16th Jul 2025257 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025399 PMAQI
16th Jul 20253610 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20254812 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
26°C25/28°C
17th Jul 2025504 AMAQI
17th Jul 2025485 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025488 AMAQI
17th Jul 2025419 AMAQI
17th Jul 20253910 AMAQI
17th Jul 20254311 AMAQI
17th Jul 20254112 PMAQI
17th Jul 2025321 PMAQI
17th Jul 2025282 PMAQI
17th Jul 2025223 PMAQI
17th Jul 2025304 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025486 PMAQI
17th Jul 2025507 PMAQI
17th Jul 2025538 PMAQI
17th Jul 2025509 PMAQI
17th Jul 20254810 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254812 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025503 AMAQI
28°C25/32°C
18th Jul 2025494 AMAQI
18th Jul 2025475 AMAQI
18th Jul 2025476 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025468 AMAQI
18th Jul 2025419 AMAQI
18th Jul 20252310 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20252212 PMAQI
18th Jul 2025231 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025273 PMAQI
18th Jul 2025264 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025347 PMAQI
18th Jul 2025368 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254310 PMAQI
18th Jul 20253811 PMAQI
19th Jul 20254212 AMAQI
19th Jul 2025461 AMAQI
19th Jul 2025482 AMAQI
19th Jul 2025473 AMAQI
28°C25/32°C
19th Jul 2025464 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025389 AMAQI
19th Jul 20253410 AMAQI
19th Jul 20252911 AMAQI
19th Jul 20252712 PMAQI
19th Jul 2025231 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025274 PMAQI
19th Jul 2025205 PMAQI
19th Jul 2025206 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025459 PMAQI
19th Jul 20254410 PMAQI
19th Jul 20253911 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025441 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025453 AMAQI
28°C24/33°C
20th Jul 2025444 AMAQI
20th Jul 2025425 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20252810 AMAQI
20th Jul 20253011 AMAQI
20th Jul 20253212 PMAQI
20th Jul 2025281 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025214 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025286 PMAQI
20th Jul 2025427 PMAQI
20th Jul 2025388 PMAQI
20th Jul 2025469 PMAQI
20th Jul 20254710 PMAQI
20th Jul 20254511 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025421 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
29°C25/33°C
21st Jul 2025414 AMAQI
21st Jul 2025395 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025339 AMAQI
21st Jul 20253110 AMAQI
21st Jul 20253211 AMAQI
21st Jul 20254112 PMAQI
21st Jul 2025481 PMAQI
21st Jul 2025422 PMAQI
21st Jul 2025483 PMAQI
21st Jul 2025504 PMAQI
21st Jul 2025515 PMAQI
21st Jul 2025476 PMAQI
21st Jul 2025497 PMAQI
21st Jul 2025478 PMAQI
21st Jul 2025429 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253611 PMAQI
22nd Jul 20254012 AMAQI
22nd Jul 2025401 AMAQI
22nd Jul 2025412 AMAQI
22nd Jul 2025403 AMAQI
30°C26/37°C
22nd Jul 2025414 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025407 AMAQI
22nd Jul 2025418 AMAQI
22nd Jul 2025349 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20253011 AMAQI
22nd Jul 20253712 PMAQI
22nd Jul 2025481 PMAQI
22nd Jul 2025442 PMAQI
22nd Jul 2025493 PMAQI
22nd Jul 2025584 PMAQI
22nd Jul 2025605 PMAQI
22nd Jul 2025536 PMAQI
22nd Jul 2025447 PMAQI
22nd Jul 2025408 PMAQI
22nd Jul 2025389 PMAQI
22nd Jul 20253510 PMAQI
22nd Jul 20253611 PMAQI
23rd Jul 20253712 AMAQI
23rd Jul 2025391 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025403 AMAQI
30°C26/37°C
23rd Jul 2025394 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025408 AMAQI
23rd Jul 2025379 AMAQI
23rd Jul 20253610 AMAQI
23rd Jul 20254511 AMAQI
23rd Jul 20255012 PMAQI
23rd Jul 2025521 PMAQI
23rd Jul 2025522 PMAQI
23rd Jul 2025563 PMAQI
23rd Jul 2025574 PMAQI
23rd Jul 2025605 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025507 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025409 PMAQI
23rd Jul 20253910 PMAQI
23rd Jul 20253311 PMAQI
24th Jul 20253412 AMAQI
24th Jul 2025391 AMAQI
24th Jul 2025392 AMAQI
24th Jul 2025393 AMAQI
30°C25/37°C
24th Jul 2025404 AMAQI
24th Jul 2025425 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025419 AMAQI
24th Jul 20254010 AMAQI
24th Jul 20254211 AMAQI
24th Jul 20254312 PMAQI
24th Jul 2025491 PMAQI
24th Jul 2025482 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025554 PMAQI
24th Jul 2025625 PMAQI
24th Jul 2025576 PMAQI
24th Jul 2025447 PMAQI
24th Jul 2025428 PMAQI
24th Jul 2025459 PMAQI
24th Jul 20253610 PMAQI
24th Jul 20253811 PMAQI
25th Jul 20254312 AMAQI
25th Jul 2025391 AMAQI
25th Jul 2025392 AMAQI
25th Jul 2025393 AMAQI
31°C26/38°C
25th Jul 2025404 AMAQI
25th Jul 2025415 AMAQI
25th Jul 2025416 AMAQI
25th Jul 2025427 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025389 AMAQI
25th Jul 20254010 AMAQI
25th Jul 20255011 AMAQI
25th Jul 20254512 PMAQI
25th Jul 2025541 PMAQI
25th Jul 2025522 PMAQI
25th Jul 2025543 PMAQI
25th Jul 2025544 PMAQI
25th Jul 2025505 PMAQI
25th Jul 2025416 PMAQI
25th Jul 2025377 PMAQI
25th Jul 2025458 PMAQI
25th Jul 2025409 PMAQI
25th Jul 20254010 PMAQI
25th Jul 20253611 PMAQI
26th Jul 20253412 AMAQI
26th Jul 2025401 AMAQI
26th Jul 2025402 AMAQI
26th Jul 2025403 AMAQI
31°C26/37°C
26th Jul 2025404 AMAQI
26th Jul 2025435 AMAQI
26th Jul 2025426 AMAQI
26th Jul 2025427 AMAQI
26th Jul 2025428 AMAQI
26th Jul 2025349 AMAQI
26th Jul 20253510 AMAQI
26th Jul 20254011 AMAQI
26th Jul 20254512 PMAQI
26th Jul 2025491 PMAQI
26th Jul 2025502 PMAQI
26th Jul 2025523 PMAQI
26th Jul 2025504 PMAQI
26th Jul 2025405 PMAQI
26th Jul 2025316 PMAQI
26th Jul 2025377 PMAQI
26th Jul 2025508 PMAQI
26th Jul 2025459 PMAQI
26th Jul 20254310 PMAQI
26th Jul 20253611 PMAQI
27th Jul 20253612 AMAQI
27th Jul 2025391 AMAQI
27th Jul 2025392 AMAQI
27th Jul 2025393 AMAQI
31°C26/37°C
27th Jul 2025404 AMAQI
27th Jul 2025405 AMAQI
27th Jul 2025416 AMAQI
27th Jul 2025427 AMAQI
27th Jul 2025418 AMAQI
27th Jul 2025349 AMAQI
27th Jul 20253210 AMAQI
27th Jul 20253911 AMAQI
27th Jul 20255112 PMAQI
27th Jul 2025451 PMAQI
27th Jul 2025442 PMAQI
27th Jul 2025413 PMAQI
27th Jul 2025464 PMAQI
27th Jul 2025445 PMAQI
27th Jul 2025286 PMAQI
27th Jul 2025317 PMAQI
27th Jul 2025328 PMAQI
27th Jul 2025409 PMAQI
27th Jul 20253410 PMAQI
27th Jul 20253911 PMAQI
28th Jul 20254312 AMAQI
28th Jul 2025381 AMAQI
28th Jul 2025392 AMAQI
28th Jul 2025393 AMAQI
30°C26/37°C
28th Jul 2025404 AMAQI
28th Jul 2025405 AMAQI
28th Jul 2025406 AMAQI
28th Jul 2025407 AMAQI
28th Jul 2025398 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20253111 AMAQI
28th Jul 20253712 PMAQI
28th Jul 2025451 PMAQI
28th Jul 2025412 PMAQI
28th Jul 2025413 PMAQI
28th Jul 2025454 PMAQI
28th Jul 2025515 PMAQI
28th Jul 2025486 PMAQI
28th Jul 2025437 PMAQI
28th Jul 2025468 PMAQI
28th Jul 2025439 PMAQI
28th Jul 20254210 PMAQI
28th Jul 20253811 PMAQI
29th Jul 20253812 AMAQI
29th Jul 2025391 AMAQI
29th Jul 2025402 AMAQI
29th Jul 2025403 AMAQI
31°C26/37°C
29th Jul 2025404 AMAQI
29th Jul 2025405 AMAQI
29th Jul 2025406 AMAQI
29th Jul 2025407 AMAQI
29th Jul 2025398 AMAQI
29th Jul 2025399 AMAQI
29th Jul 20254410 AMAQI
29th Jul 20255011 AMAQI
29th Jul 20254812 PMAQI
29th Jul 2025441 PMAQI
29th Jul 2025512 PMAQI
29th Jul 2025483 PMAQI
29th Jul 2025354 PMAQI
29th Jul 2025295 PMAQI
29th Jul 2025226 PMAQI
29th Jul 2025247 PMAQI
29th Jul 2025318 PMAQI
29th Jul 2025429 PMAQI
29th Jul 20253410 PMAQI
29th Jul 20253111 PMAQI
30th Jul 20253012 AMAQI
30th Jul 2025381 AMAQI
30th Jul 2025402 AMAQI
30th Jul 2025403 AMAQI
31°C26/37°C
30th Jul 2025404 AMAQI
30th Jul 2025425 AMAQI
30th Jul 2025416 AMAQI
30th Jul 2025427 AMAQI
30th Jul 2025428 AMAQI
30th Jul 2025289 AMAQI
30th Jul 20252210 AMAQI
30th Jul 20253011 AMAQI
30th Jul 20252212 PMAQI
30th Jul 2025181 PMAQI
30th Jul 2025252 PMAQI
30th Jul 2025293 PMAQI
30th Jul 2025364 PMAQI
30th Jul 2025455 PMAQI
30th Jul 2025466 PMAQI
30th Jul 2025387 PMAQI
30th Jul 2025488 PMAQI
30th Jul 2025479 PMAQI
30th Jul 20254410 PMAQI
30th Jul 20254111 PMAQI
31st Jul 20253912 AMAQI
31st Jul 2025381 AMAQI
31st Jul 2025382 AMAQI
31st Jul 2025383 AMAQI
28°C25/33°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 20253611 AMAQI
31st Jul 20254212 PMAQI
31st Jul 2025351 PMAQI
31st Jul 2025252 PMAQI
31st Jul 2025203 PMAQI
31st Jul 2025234 PMAQI
31st Jul 2025325 PMAQI
31st Jul 2025356 PMAQI
31st Jul 2025387 PMAQI
31st Jul 2025398 PMAQI
31st Jul 2025299 PMAQI
31st Jul 20253310 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025311 AMAQI
1st Aug 2025352 AMAQI
1st Aug 2025383 AMAQI
27°C24/31°C
1st Aug 2025394 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025357 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025369 AMAQI
1st Aug 20253410 AMAQI
1st Aug 20254011 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025351 PMAQI
1st Aug 2025322 PMAQI
1st Aug 2025263 PMAQI
1st Aug 2025434 PMAQI
1st Aug 2025355 PMAQI
1st Aug 2025436 PMAQI
1st Aug 2025257 PMAQI
1st Aug 2025298 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253310 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025351 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025393 AMAQI
27°C24/32°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 20253310 AMAQI
2nd Aug 20254111 AMAQI
2nd Aug 20253012 PMAQI
2nd Aug 2025351 PMAQI
2nd Aug 2025502 PMAQI
2nd Aug 2025493 PMAQI
2nd Aug 2025414 PMAQI
2nd Aug 2025405 PMAQI
2nd Aug 2025436 PMAQI
2nd Aug 2025497 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253410 PMAQI
2nd Aug 20254111 PMAQI
3rd Aug 20253312 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025383 AMAQI
30°C25/37°C
3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255011 AMAQI
3rd Aug 20255612 PMAQI
3rd Aug 2025471 PMAQI
3rd Aug 2025532 PMAQI
3rd Aug 2025463 PMAQI
3rd Aug 2025444 PMAQI
3rd Aug 2025475 PMAQI
3rd Aug 2025506 PMAQI
3rd Aug 2025457 PMAQI
3rd Aug 2025438 PMAQI
3rd Aug 2025409 PMAQI
3rd Aug 20253910 PMAQI
3rd Aug 20253911 PMAQI
4th Aug 20253612 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
30°C26/35°C
4th Aug 2025414 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025589 AMAQI
4th Aug 20256210 AMAQI
4th Aug 20257411 AMAQI
4th Aug 20257812 PMAQI
4th Aug 2025721 PMAQI
4th Aug 2025802 PMAQI
4th Aug 2025713 PMAQI
4th Aug 2025794 PMAQI
4th Aug 2025845 PMAQI
4th Aug 2025746 PMAQI
4th Aug 2025727 PMAQI
4th Aug 2025638 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254711 PMAQI
5th Aug 20254812 AMAQI
5th Aug 2025411 AMAQI
5th Aug 2025402 AMAQI
5th Aug 2025403 AMAQI
30°C26/36°C
5th Aug 2025494 AMAQI
4 AM5th Aug 2025525 AMAQI
5th Aug 2025506 AMAQI
5th Aug 2025487 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025559 AMAQI
5th Aug 20255910 AMAQI
5th Aug 20255611 AMAQI
11 AM5th Aug 20256312 PMAQI
5th Aug 2025561 PMAQI
5th Aug 2025522 PMAQI
5th Aug 2025523 PMAQI
5th Aug 2025574 PMAQI
5th Aug 2025505 PMAQI
5th Aug 2025526 PMAQI
6 PM5th Aug 2025417 PMAQI
5th Aug 2025438 PMAQI
5th Aug 2025419 PMAQI
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 PM - 6 PM
49AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
4 AM - 3 PM
47AQI
12 hours / Day
360 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 6 PM (Avg. 49), while the lowest AQI was between 4 AM to 3 PM (Avg. 47).
Night time
Avg. Highest Time
12 AM - 11 PM
47AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
47AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 47), while the lowest AQI was between 12 AM to 11 PM (Avg. 47).
2025 Days Vs Air Quality
Tsuchiura, Ibaraki, Japan
2025
89%
192
11%
24
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
192 DaysModerate
24 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% 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
Tsuchiura, 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
30AQI
30AQI
3rd January 2025
24AQI
24AQI
4th January 2025
27AQI
27AQI
5th January 2025
34AQI
34AQI
6th January 2025
65AQI
65AQI
7th January 2025
34AQI
34AQI
8th January 2025
39AQI
39AQI
9th January 2025
29AQI
29AQI
10th January 2025
30AQI
30AQI
11th January 2025
31AQI
31AQI
12th January 2025
34AQI
34AQI
13th January 2025
30AQI
30AQI
14th January 2025
36AQI
36AQI
15th January 2025
34AQI
34AQI
16th January 2025
34AQI
34AQI
17th January 2025
29AQI
29AQI
18th January 2025
36AQI
36AQI
19th January 2025
58AQI
58AQI
20th January 2025
50AQI
50AQI
21st January 2025
50AQI
50AQI
22nd January 2025
43AQI
43AQI
23rd January 2025
49AQI
49AQI
24th January 2025
47AQI
47AQI
25th January 2025
44AQI
44AQI
26th January 2025
36AQI
36AQI
27th January 2025
36AQI
36AQI
28th January 2025
40AQI
40AQI
29th January 2025
30AQI
30AQI
30th January 2025
32AQI
32AQI
31st January 2025
28AQI
28AQI
1st February 2025
36AQI
36AQI
2nd February 2025
34AQI
34AQI
3rd February 2025
40AQI
40AQI
4th February 2025
32AQI
32AQI
5th February 2025
33AQI
33AQI
6th February 2025
28AQI
28AQI
7th February 2025
29AQI
29AQI
8th February 2025
29AQI
29AQI
9th February 2025
30AQI
30AQI
10th February 2025
30AQI
30AQI
11th February 2025
30AQI
30AQI
12th February 2025
37AQI
37AQI
13th February 2025
39AQI
39AQI
14th February 2025
32AQI
32AQI
15th February 2025
36AQI
36AQI
16th February 2025
38AQI
38AQI
17th February 2025
37AQI
37AQI
18th February 2025
31AQI
31AQI
19th February 2025
30AQI
30AQI
20th February 2025
30AQI
30AQI
21st February 2025
30AQI
30AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
31AQI
31AQI
24th February 2025
32AQI
32AQI
25th February 2025
33AQI
33AQI
26th February 2025
36AQI
36AQI
27th February 2025
41AQI
41AQI
28th February 2025
51AQI
51AQI
1st March 2025
47AQI
47AQI
2nd March 2025
63AQI
63AQI
3rd March 2025
37AQI
37AQI
4th March 2025
41AQI
41AQI
5th March 2025
26AQI
26AQI
6th March 2025
33AQI
33AQI
7th March 2025
30AQI
30AQI
8th March 2025
34AQI
34AQI
9th March 2025
36AQI
36AQI
10th March 2025
39AQI
39AQI
11th March 2025
40AQI
40AQI
12th March 2025
47AQI
47AQI
13th March 2025
44AQI
44AQI
14th March 2025
38AQI
38AQI
15th March 2025
36AQI
36AQI
16th March 2025
25AQI
25AQI
17th March 2025
22AQI
22AQI
18th March 2025
26AQI
26AQI
19th March 2025
21AQI
21AQI
20th March 2025
25AQI
25AQI
21st March 2025
40AQI
40AQI
22nd March 2025
49AQI
49AQI
23rd March 2025
51AQI
51AQI
24th March 2025
50AQI
50AQI
25th March 2025
67AQI
67AQI
26th March 2025
73AQI
73AQI
27th March 2025
71AQI
71AQI
28th March 2025
48AQI
48AQI
29th March 2025
39AQI
39AQI
30th March 2025
37AQI
37AQI
31st March 2025
36AQI
36AQI
1st April 2025
27AQI
27AQI
2nd April 2025
24AQI
24AQI
3rd April 2025
22AQI
22AQI
4th April 2025
25AQI
25AQI
5th April 2025
28AQI
28AQI
6th April 2025
26AQI
26AQI
7th April 2025
30AQI
30AQI
8th April 2025
39AQI
39AQI
9th April 2025
31AQI
31AQI
10th April 2025
47AQI
47AQI
11th April 2025
42AQI
42AQI
12th April 2025
38AQI
38AQI
13th April 2025
30AQI
30AQI
14th April 2025
42AQI
42AQI
15th April 2025
30AQI
30AQI
16th April 2025
31AQI
31AQI
17th April 2025
43AQI
43AQI
18th April 2025
52AQI
52AQI
19th April 2025
62AQI
62AQI
20th April 2025
52AQI
52AQI
21st April 2025
45AQI
45AQI
22nd April 2025
48AQI
48AQI
23rd April 2025
32AQI
32AQI
24th April 2025
38AQI
38AQI
25th April 2025
44AQI
44AQI
26th April 2025
46AQI
46AQI
27th April 2025
50AQI
50AQI
28th April 2025
46AQI
46AQI
29th April 2025
35AQI
35AQI
30th April 2025
45AQI
45AQI
1st May 2025
39AQI
39AQI
2nd May 2025
30AQI
30AQI
3rd May 2025
32AQI
32AQI
4th May 2025
38AQI
38AQI
5th May 2025
34AQI
34AQI
6th May 2025
30AQI
30AQI
7th May 2025
26AQI
26AQI
8th May 2025
28AQI
28AQI
9th May 2025
30AQI
30AQI
10th May 2025
24AQI
24AQI
11th May 2025
29AQI
29AQI
12th May 2025
22AQI
22AQI
13th May 2025
35AQI
35AQI
14th May 2025
32AQI
32AQI
15th May 2025
38AQI
38AQI
16th May 2025
45AQI
45AQI
17th May 2025
30AQI
30AQI
18th May 2025
49AQI
49AQI
19th May 2025
40AQI
40AQI
20th May 2025
66AQI
66AQI
21st May 2025
52AQI
52AQI
22nd May 2025
50AQI
50AQI
23rd May 2025
45AQI
45AQI
24th May 2025
41AQI
41AQI
25th May 2025
30AQI
30AQI
26th May 2025
29AQI
29AQI
27th May 2025
25AQI
25AQI
28th May 2025
26AQI
26AQI
29th May 2025
28AQI
28AQI
30th May 2025
27AQI
27AQI
31st May 2025
18AQI
18AQI
1st June 2025
22AQI
22AQI
2nd June 2025
29AQI
29AQI
3rd June 2025
33AQI
33AQI
4th June 2025
30AQI
30AQI
5th June 2025
42AQI
42AQI
6th June 2025
45AQI
45AQI
7th June 2025
51AQI
51AQI
8th June 2025
60AQI
60AQI
9th June 2025
49AQI
49AQI
10th June 2025
41AQI
41AQI
11th June 2025
35AQI
35AQI
12th June 2025
44AQI
44AQI
13th June 2025
38AQI
38AQI
14th June 2025
37AQI
37AQI
15th June 2025
35AQI
35AQI
16th June 2025
40AQI
40AQI
17th June 2025
45AQI
45AQI
18th June 2025
43AQI
43AQI
19th June 2025
44AQI
44AQI
20th June 2025
40AQI
40AQI
21st June 2025
35AQI
35AQI
22nd June 2025
29AQI
29AQI
23rd June 2025
30AQI
30AQI
24th June 2025
31AQI
31AQI
25th June 2025
28AQI
28AQI
26th June 2025
28AQI
28AQI
27th June 2025
32AQI
32AQI
28th June 2025
31AQI
31AQI
29th June 2025
39AQI
39AQI
30th June 2025
42AQI
42AQI
1st July 2025
42AQI
42AQI
2nd July 2025
50AQI
50AQI
3rd July 2025
51AQI
51AQI
4th July 2025
52AQI
52AQI
5th July 2025
57AQI
57AQI
6th July 2025
74AQI
74AQI
7th July 2025
82AQI
82AQI
8th July 2025
79AQI
79AQI
9th July 2025
81AQI
81AQI
10th July 2025
60AQI
60AQI
11th July 2025
48AQI
48AQI
12th July 2025
51AQI
51AQI
13th July 2025
50AQI
50AQI
14th July 2025
44AQI
44AQI
15th July 2025
42AQI
42AQI
16th July 2025
40AQI
40AQI
17th July 2025
45AQI
45AQI
18th July 2025
38AQI
38AQI
19th July 2025
36AQI
36AQI
20th July 2025
37AQI
37AQI
21st July 2025
42AQI
42AQI
22nd July 2025
42AQI
42AQI
23rd July 2025
44AQI
44AQI
24th July 2025
44AQI
44AQI
25th July 2025
43AQI
43AQI
26th July 2025
41AQI
41AQI
27th July 2025
39AQI
39AQI
28th July 2025
41AQI
41AQI
29th July 2025
38AQI
38AQI
30th July 2025
38AQI
38AQI
31st July 2025
35AQI
35AQI
1st August 2025
34AQI
34AQI
2nd August 2025
39AQI
39AQI
3rd August 2025
43AQI
43AQI
4th August 2025
50AQI
50AQI
37AQI
34AQI
41AQI
38AQI
34AQI
38AQI
49AQI
42AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
29
2
27
1
26
5
27
3
29
2
28
2
22
9
4
192
24
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
February34AQI
202442AQI
26
5
24
5
23
8
22
8
24
7
24
6
10
21
26
5
24
6
29
2
25
5
30
1
287
79
Highest AQI recorded in
July58AQI
Lowest AQI recorded in
December35AQI
202341AQI
26
4
1
22
6
26
5
24
6
27
4
20
10
22
9
30
1
28
2
28
3
18
11
20
11
291
72
1
Highest AQI recorded in
December46AQI
Lowest AQI recorded in
August34AQI
202240AQI
27
4
21
1
22
9
23
7
27
4
19
11
17
4
1
27
2
26
5
21
9
25
6
256
62
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
September35AQI
202137AQI
23
7
1
22
6
25
6
27
3
24
7
26
4
31
28
3
28
2
29
2
25
5
20
11
308
56
1
Highest AQI recorded in
December44AQI
Lowest AQI recorded in
July32AQI
202038AQI
11
2
20
1
17
1
24
6
31
21
10
19
26
5
9
9
3
4
1
181
38
1
Highest AQI recorded in
December58AQI
Lowest AQI recorded in
July26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2024(Avg.)
42AQILeast Polluted Year Recorded
2021(Avg.)
37AQITsuchiura's annual 2025 AQI (39) shows an average percentage change of -1.9% (improved AQI) compared to previous years: 2020 (38), 2021 (37), 2022 (40), 2023 (41), 2024 (42).
