Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Analisis Kualitas Udara Historis Ko, Chikusei, Ibaraki, Japan

Jelajahi wawasan kualitas udara yang mendalam dengan data historis, pola bulanan, dan tren tahunan di ujung jari Anda!

Baik
050
Sedang
100
Buruk
150
Tidak Sehat
200
Parah
300
Berbahaya
301+

Analisis Kualitas Udara Oktober

Ko, Chikusei, Ibaraki, Japan

2021
2022
2024
2025
AQI
.
Hari

Tren AQI: Tertinggi dan Terendah

AQI tertinggi tercatat pada
22nd Oct 2022
82AQI
AQI terendah tercatat pada
22nd Oct 2021
21AQI

Analisis Hari yang Sama (8th October ):
Pada hari ini, AQI selama 4 tahun bervariasi secara signifikan: 2025 berada di peringkat 2nd tertinggi dengan AQI sebesar 58 dari rentang kualitas udara Sedang, menunjukkan peningkatan dibandingkan 2021 pada hari yang sama.

Unduh Data Tahunan 2024

Laporan Kualitas Udara Dunia

Globe

Tren AQI Siang & Malam: 8th Oct - 9th Oct 2025

Ko, Chikusei, Ibaraki, Japan

AQI
Hari
Malam
.

5 AM8th Oct 2025

5 PM

4 AM9th Oct 2025

Waktu Siang
Rata-rata Waktu Tertinggi
5PM8th Oct

69AQI

Rata-rata Waktu Terendah
7AM8th Oct

56AQI

Waktu Malam
Rata-rata Waktu Tertinggi
12AM9th Oct

74AQI

Rata-rata Waktu Terendah
4AM9th Oct

59AQI

Dalam 24 jam terakhir,

AQI di Ko mencapai tingkat tertinggi sebesar 74 pada 12 AM selama Malam, sementara tingkat terendah, 56, tercatat pada 7 AM selama Hari antara 8th Oct dan 9th Oct 2025.

Tren AQI Siang & Malam : Sep - Oct 2025

Ko, Chikusei, Ibaraki, Japan

SepOct
09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th
Hari
Malam
9th Sep 2025305 AMAQI
9th Sep 2025326 AMAQI
9th Sep 2025307 AMAQI
9th Sep 2025308 AMAQI
9th Sep 2025409 AMAQI
9th Sep 20254010 AMAQI
9th Sep 20254811 AMAQI
9th Sep 20254012 PMAQI
9th Sep 2025421 PMAQI
9th Sep 2025382 PMAQI
9th Sep 2025443 PMAQI
9th Sep 2025484 PMAQI
9th Sep 2025445 PMAQI
9th Sep 2025546 PMAQI
9th Sep 2025557 PMAQI
9th Sep 2025428 PMAQI
9th Sep 2025329 PMAQI
9th Sep 20253110 PMAQI
9th Sep 20253111 PMAQI
10th Sep 20253212 AMAQI
10th Sep 2025301 AMAQI
10th Sep 2025322 AMAQI
10th Sep 2025313 AMAQI
10th Sep 2025324 AMAQI

28°C25/33°C

10th Sep 2025335 AMAQI
10th Sep 2025346 AMAQI
10th Sep 2025337 AMAQI
10th Sep 2025338 AMAQI
10th Sep 2025449 AMAQI
10th Sep 20254410 AMAQI
10th Sep 20254811 AMAQI
10th Sep 20254212 PMAQI
10th Sep 2025451 PMAQI
10th Sep 2025322 PMAQI
10th Sep 2025403 PMAQI
10th Sep 2025344 PMAQI
10th Sep 2025275 PMAQI
10th Sep 2025306 PMAQI
10th Sep 2025277 PMAQI
10th Sep 2025318 PMAQI
10th Sep 2025329 PMAQI
10th Sep 20253010 PMAQI
10th Sep 20253011 PMAQI
11th Sep 20252912 AMAQI
11th Sep 2025341 AMAQI
11th Sep 2025342 AMAQI
11th Sep 2025333 AMAQI
11th Sep 2025344 AMAQI

26°C24/28°C

11th Sep 2025355 AMAQI
11th Sep 2025326 AMAQI
11th Sep 2025337 AMAQI
11th Sep 2025338 AMAQI
11th Sep 2025209 AMAQI
11th Sep 20252610 AMAQI
11th Sep 20251811 AMAQI
11th Sep 20252912 PMAQI
11th Sep 2025261 PMAQI
11th Sep 2025292 PMAQI
11th Sep 2025293 PMAQI
11th Sep 2025274 PMAQI
11th Sep 2025275 PMAQI
11th Sep 2025266 PMAQI
11th Sep 2025277 PMAQI
11th Sep 2025298 PMAQI
11th Sep 2025299 PMAQI
11th Sep 20253010 PMAQI
11th Sep 20252811 PMAQI
12th Sep 20253112 AMAQI
12th Sep 2025331 AMAQI
12th Sep 2025342 AMAQI
12th Sep 2025353 AMAQI
12th Sep 2025344 AMAQI

24°C23/26°C

12th Sep 2025325 AMAQI
12th Sep 2025326 AMAQI
12th Sep 2025327 AMAQI
12th Sep 2025318 AMAQI
12th Sep 2025239 AMAQI
12th Sep 20252810 AMAQI
12th Sep 20252211 AMAQI
12th Sep 20252512 PMAQI
12th Sep 2025261 PMAQI
12th Sep 2025312 PMAQI
12th Sep 2025283 PMAQI
12th Sep 2025304 PMAQI
12th Sep 2025275 PMAQI
12th Sep 2025306 PMAQI
12th Sep 2025307 PMAQI
12th Sep 2025278 PMAQI
12th Sep 2025269 PMAQI
12th Sep 20252610 PMAQI
12th Sep 20252711 PMAQI
13th Sep 20252812 AMAQI
13th Sep 2025331 AMAQI
13th Sep 2025342 AMAQI
13th Sep 2025343 AMAQI
13th Sep 2025344 AMAQI

24°C22/26°C

13th Sep 2025335 AMAQI
13th Sep 2025346 AMAQI
13th Sep 2025337 AMAQI
13th Sep 2025348 AMAQI
13th Sep 2025189 AMAQI
13th Sep 20251410 AMAQI
13th Sep 20252011 AMAQI
13th Sep 20252312 PMAQI
13th Sep 2025221 PMAQI
13th Sep 2025192 PMAQI
13th Sep 2025213 PMAQI
13th Sep 2025224 PMAQI
13th Sep 2025205 PMAQI
13th Sep 2025156 PMAQI
13th Sep 2025197 PMAQI
13th Sep 2025248 PMAQI
13th Sep 2025279 PMAQI
13th Sep 20252510 PMAQI
13th Sep 20252611 PMAQI
14th Sep 20253212 AMAQI
14th Sep 2025361 AMAQI
14th Sep 2025352 AMAQI
14th Sep 2025353 AMAQI
14th Sep 2025334 AMAQI

25°C22/29°C

14th Sep 2025345 AMAQI
14th Sep 2025326 AMAQI
14th Sep 2025347 AMAQI
14th Sep 2025358 AMAQI
14th Sep 2025239 AMAQI
14th Sep 20252210 AMAQI
14th Sep 20252511 AMAQI
14th Sep 20251812 PMAQI
14th Sep 2025211 PMAQI
14th Sep 2025202 PMAQI
14th Sep 2025243 PMAQI
14th Sep 2025284 PMAQI
14th Sep 2025305 PMAQI
14th Sep 2025386 PMAQI
14th Sep 2025377 PMAQI
14th Sep 2025348 PMAQI
14th Sep 2025349 PMAQI
14th Sep 20253410 PMAQI
14th Sep 20253411 PMAQI
15th Sep 20253212 AMAQI
15th Sep 2025331 AMAQI
15th Sep 2025342 AMAQI
15th Sep 2025343 AMAQI
15th Sep 2025334 AMAQI

27°C24/32°C

15th Sep 2025325 AMAQI
15th Sep 2025346 AMAQI
15th Sep 2025337 AMAQI
15th Sep 2025338 AMAQI
15th Sep 2025349 AMAQI
15th Sep 20253010 AMAQI
15th Sep 20252911 AMAQI
15th Sep 20253212 PMAQI
15th Sep 2025281 PMAQI
15th Sep 2025252 PMAQI
15th Sep 2025253 PMAQI
15th Sep 2025284 PMAQI
15th Sep 2025325 PMAQI
15th Sep 2025346 PMAQI
15th Sep 2025387 PMAQI
15th Sep 2025368 PMAQI
15th Sep 2025359 PMAQI
15th Sep 20253210 PMAQI
15th Sep 20253311 PMAQI
16th Sep 20253012 AMAQI
16th Sep 2025331 AMAQI
16th Sep 2025342 AMAQI
16th Sep 2025343 AMAQI
16th Sep 2025334 AMAQI

27°C24/32°C

16th Sep 2025325 AMAQI
16th Sep 2025326 AMAQI
16th Sep 2025327 AMAQI
16th Sep 2025338 AMAQI
16th Sep 2025399 AMAQI
16th Sep 20254210 AMAQI
16th Sep 20254811 AMAQI
16th Sep 20255412 PMAQI
16th Sep 2025541 PMAQI
16th Sep 2025562 PMAQI
16th Sep 2025623 PMAQI
16th Sep 2025604 PMAQI
16th Sep 2025615 PMAQI
16th Sep 2025596 PMAQI
16th Sep 2025577 PMAQI
16th Sep 2025398 PMAQI
16th Sep 2025369 PMAQI
16th Sep 20253210 PMAQI
16th Sep 20253111 PMAQI
17th Sep 20253212 AMAQI
17th Sep 2025331 AMAQI
17th Sep 2025322 AMAQI
17th Sep 2025333 AMAQI
17th Sep 2025354 AMAQI

28°C25/33°C

17th Sep 2025375 AMAQI
17th Sep 2025386 AMAQI
17th Sep 2025377 AMAQI
17th Sep 2025388 AMAQI
17th Sep 2025469 AMAQI
17th Sep 20255210 AMAQI
17th Sep 20255511 AMAQI
17th Sep 20255712 PMAQI
17th Sep 2025581 PMAQI
17th Sep 2025602 PMAQI
17th Sep 2025563 PMAQI
17th Sep 2025504 PMAQI
17th Sep 2025545 PMAQI
17th Sep 2025436 PMAQI
17th Sep 2025567 PMAQI
17th Sep 2025428 PMAQI
17th Sep 2025539 PMAQI
17th Sep 20255610 PMAQI
17th Sep 20255511 PMAQI
18th Sep 20255112 AMAQI
18th Sep 2025341 AMAQI
18th Sep 2025342 AMAQI
18th Sep 2025343 AMAQI
18th Sep 2025374 AMAQI

30°C25/35°C

18th Sep 2025405 AMAQI
18th Sep 2025406 AMAQI
18th Sep 2025397 AMAQI
18th Sep 2025408 AMAQI
18th Sep 2025549 AMAQI
18th Sep 20256010 AMAQI
18th Sep 20256211 AMAQI
18th Sep 20256512 PMAQI
18th Sep 2025601 PMAQI
18th Sep 2025602 PMAQI
18th Sep 2025553 PMAQI
18th Sep 2025514 PMAQI
18th Sep 2025325 PMAQI
18th Sep 2025246 PMAQI
18th Sep 2025237 PMAQI
18th Sep 2025268 PMAQI
18th Sep 2025319 PMAQI
18th Sep 20253010 PMAQI
18th Sep 20252911 PMAQI
19th Sep 20253012 AMAQI
19th Sep 2025351 AMAQI
19th Sep 2025382 AMAQI
19th Sep 2025363 AMAQI
19th Sep 2025404 AMAQI

28°C22/36°C

19th Sep 2025485 AMAQI
19th Sep 2025486 AMAQI
19th Sep 2025487 AMAQI
19th Sep 2025488 AMAQI
19th Sep 2025289 AMAQI
19th Sep 20251810 AMAQI
19th Sep 20251911 AMAQI
19th Sep 20252012 PMAQI
19th Sep 2025201 PMAQI
19th Sep 2025212 PMAQI
19th Sep 2025223 PMAQI
19th Sep 2025224 PMAQI
19th Sep 2025225 PMAQI
19th Sep 2025246 PMAQI
19th Sep 2025237 PMAQI
19th Sep 2025288 PMAQI
19th Sep 2025349 PMAQI
19th Sep 20253610 PMAQI
19th Sep 20253211 PMAQI
20th Sep 20253212 AMAQI
20th Sep 2025341 AMAQI
20th Sep 2025372 AMAQI
20th Sep 2025383 AMAQI
20th Sep 2025374 AMAQI

22°C20/24°C

20th Sep 2025345 AMAQI
20th Sep 2025346 AMAQI
20th Sep 2025347 AMAQI
20th Sep 2025348 AMAQI
20th Sep 2025249 AMAQI
20th Sep 20252110 AMAQI
20th Sep 20252011 AMAQI
20th Sep 20251912 PMAQI
20th Sep 2025161 PMAQI
20th Sep 2025192 PMAQI
20th Sep 2025203 PMAQI
20th Sep 2025204 PMAQI
20th Sep 2025215 PMAQI
20th Sep 2025236 PMAQI
20th Sep 2025247 PMAQI
20th Sep 2025288 PMAQI
20th Sep 2025309 PMAQI
20th Sep 20253010 PMAQI
20th Sep 20252811 PMAQI
21st Sep 20253012 AMAQI
21st Sep 2025331 AMAQI
21st Sep 2025342 AMAQI
21st Sep 2025343 AMAQI
21st Sep 2025334 AMAQI

23°C21/25°C

21st Sep 2025325 AMAQI
21st Sep 2025336 AMAQI
21st Sep 2025327 AMAQI
21st Sep 2025328 AMAQI
21st Sep 2025289 AMAQI
21st Sep 20252410 AMAQI
21st Sep 20251911 AMAQI
21st Sep 20251812 PMAQI
21st Sep 2025191 PMAQI
21st Sep 2025162 PMAQI
21st Sep 2025183 PMAQI
21st Sep 2025174 PMAQI
21st Sep 2025185 PMAQI
21st Sep 2025186 PMAQI
21st Sep 2025187 PMAQI
21st Sep 2025228 PMAQI
21st Sep 2025269 PMAQI
21st Sep 20252810 PMAQI
21st Sep 20252711 PMAQI
22nd Sep 20252612 AMAQI
22nd Sep 2025311 AMAQI
22nd Sep 2025332 AMAQI
22nd Sep 2025333 AMAQI
22nd Sep 2025324 AMAQI

24°C21/30°C

22nd Sep 2025315 AMAQI
22nd Sep 2025306 AMAQI
22nd Sep 2025307 AMAQI
22nd Sep 2025318 AMAQI
22nd Sep 2025209 AMAQI
22nd Sep 20252010 AMAQI
22nd Sep 20252011 AMAQI
22nd Sep 20252212 PMAQI
22nd Sep 2025221 PMAQI
22nd Sep 2025222 PMAQI
22nd Sep 2025223 PMAQI
22nd Sep 2025234 PMAQI
22nd Sep 2025225 PMAQI
22nd Sep 2025186 PMAQI
22nd Sep 2025187 PMAQI
22nd Sep 2025228 PMAQI
22nd Sep 2025269 PMAQI
22nd Sep 20252410 PMAQI
22nd Sep 20252511 PMAQI
23rd Sep 20252612 AMAQI
23rd Sep 2025271 AMAQI
23rd Sep 2025302 AMAQI
23rd Sep 2025303 AMAQI
23rd Sep 2025304 AMAQI

22°C20/26°C

23rd Sep 2025295 AMAQI
23rd Sep 2025286 AMAQI
23rd Sep 2025297 AMAQI
23rd Sep 2025298 AMAQI
23rd Sep 2025269 AMAQI
23rd Sep 20252210 AMAQI
23rd Sep 20252011 AMAQI
23rd Sep 20251812 PMAQI
23rd Sep 2025191 PMAQI
23rd Sep 2025192 PMAQI
23rd Sep 2025203 PMAQI
23rd Sep 2025214 PMAQI
23rd Sep 2025245 PMAQI
23rd Sep 2025226 PMAQI
23rd Sep 2025207 PMAQI
23rd Sep 2025238 PMAQI
23rd Sep 2025269 PMAQI
23rd Sep 20252610 PMAQI
23rd Sep 20252611 PMAQI
24th Sep 20252512 AMAQI
24th Sep 2025261 AMAQI
24th Sep 2025282 AMAQI
24th Sep 2025293 AMAQI
24th Sep 2025284 AMAQI

21°C18/25°C

24th Sep 2025275 AMAQI
24th Sep 2025276 AMAQI
24th Sep 2025277 AMAQI
24th Sep 2025278 AMAQI
24th Sep 2025249 AMAQI
24th Sep 20252610 AMAQI
24th Sep 20252311 AMAQI
24th Sep 20252212 PMAQI
24th Sep 2025251 PMAQI
24th Sep 2025262 PMAQI
24th Sep 2025233 PMAQI
24th Sep 2025264 PMAQI
24th Sep 2025235 PMAQI
24th Sep 2025246 PMAQI
24th Sep 2025237 PMAQI
24th Sep 2025248 PMAQI
24th Sep 2025279 PMAQI
24th Sep 20252710 PMAQI
24th Sep 20252611 PMAQI
25th Sep 20252512 AMAQI
25th Sep 2025271 AMAQI
25th Sep 2025272 AMAQI
25th Sep 2025273 AMAQI
25th Sep 2025274 AMAQI

21°C17/26°C

25th Sep 2025265 AMAQI
25th Sep 2025266 AMAQI
25th Sep 2025267 AMAQI
25th Sep 2025268 AMAQI
25th Sep 2025279 AMAQI
25th Sep 20252610 AMAQI
25th Sep 20252811 AMAQI
25th Sep 20253112 PMAQI
25th Sep 2025341 PMAQI
25th Sep 2025462 PMAQI
25th Sep 2025673 PMAQI
25th Sep 2025724 PMAQI
25th Sep 2025695 PMAQI
25th Sep 2025616 PMAQI
25th Sep 2025577 PMAQI
25th Sep 2025598 PMAQI
25th Sep 2025609 PMAQI
25th Sep 20255810 PMAQI
25th Sep 20255911 PMAQI
26th Sep 20255512 AMAQI
26th Sep 2025551 AMAQI
26th Sep 2025552 AMAQI
26th Sep 2025553 AMAQI
26th Sep 2025564 AMAQI

24°C19/29°C

26th Sep 2025565 AMAQI
26th Sep 2025576 AMAQI
26th Sep 2025587 AMAQI
26th Sep 2025568 AMAQI
26th Sep 2025589 AMAQI
26th Sep 20255810 AMAQI
26th Sep 20255511 AMAQI
26th Sep 20254812 PMAQI
26th Sep 2025451 PMAQI
26th Sep 2025492 PMAQI
26th Sep 2025513 PMAQI
26th Sep 2025524 PMAQI
26th Sep 2025485 PMAQI
26th Sep 2025526 PMAQI
26th Sep 2025577 PMAQI
26th Sep 2025578 PMAQI
26th Sep 2025569 PMAQI
26th Sep 20255010 PMAQI
26th Sep 20255311 PMAQI
27th Sep 20255412 AMAQI
27th Sep 2025451 AMAQI
27th Sep 2025392 AMAQI
27th Sep 2025343 AMAQI
27th Sep 2025354 AMAQI

26°C22/32°C

27th Sep 2025405 AMAQI
27th Sep 2025406 AMAQI
27th Sep 2025477 AMAQI
27th Sep 2025508 AMAQI
27th Sep 2025429 AMAQI
27th Sep 20253910 AMAQI
27th Sep 20254311 AMAQI
27th Sep 20254912 PMAQI
27th Sep 2025461 PMAQI
27th Sep 2025522 PMAQI
27th Sep 2025553 PMAQI
27th Sep 2025544 PMAQI
27th Sep 2025545 PMAQI
27th Sep 2025546 PMAQI
27th Sep 2025537 PMAQI
27th Sep 2025518 PMAQI
27th Sep 2025469 PMAQI
27th Sep 20254710 PMAQI
27th Sep 20254611 PMAQI
28th Sep 20254912 AMAQI
28th Sep 2025481 AMAQI
28th Sep 2025412 AMAQI
28th Sep 2025463 AMAQI
28th Sep 2025524 AMAQI

24°C22/28°C

28th Sep 2025515 AMAQI
28th Sep 2025466 AMAQI
28th Sep 2025447 AMAQI
28th Sep 2025498 AMAQI
28th Sep 2025509 AMAQI
28th Sep 20255010 AMAQI
28th Sep 20254611 AMAQI
28th Sep 20255112 PMAQI
28th Sep 2025531 PMAQI
28th Sep 2025512 PMAQI
28th Sep 2025503 PMAQI
28th Sep 2025524 PMAQI
28th Sep 2025525 PMAQI
28th Sep 2025526 PMAQI
28th Sep 2025527 PMAQI
28th Sep 2025458 PMAQI
28th Sep 2025489 PMAQI
28th Sep 20254610 PMAQI
28th Sep 20254811 PMAQI
29th Sep 20254612 AMAQI
29th Sep 2025461 AMAQI
29th Sep 2025512 AMAQI
29th Sep 2025553 AMAQI
29th Sep 2025554 AMAQI

23°C21/26°C

29th Sep 2025565 AMAQI
29th Sep 2025566 AMAQI
29th Sep 2025557 AMAQI
29th Sep 2025538 AMAQI
29th Sep 2025539 AMAQI
29th Sep 20255510 AMAQI
29th Sep 20255511 AMAQI
29th Sep 20257812 PMAQI
29th Sep 2025721 PMAQI
29th Sep 2025712 PMAQI
29th Sep 2025803 PMAQI
29th Sep 2025764 PMAQI
29th Sep 2025725 PMAQI
29th Sep 2025696 PMAQI
29th Sep 2025757 PMAQI
29th Sep 2025758 PMAQI
29th Sep 2025639 PMAQI
29th Sep 20255010 PMAQI
29th Sep 20254711 PMAQI
30th Sep 20254512 AMAQI
30th Sep 2025391 AMAQI
30th Sep 2025402 AMAQI
30th Sep 2025423 AMAQI
30th Sep 2025484 AMAQI

26°C22/33°C

30th Sep 2025375 AMAQI
30th Sep 2025426 AMAQI
30th Sep 2025347 AMAQI
30th Sep 2025338 AMAQI
30th Sep 2025429 AMAQI
30th Sep 20254410 AMAQI
30th Sep 20254711 AMAQI
30th Sep 20254712 PMAQI
30th Sep 2025501 PMAQI
30th Sep 2025552 PMAQI
30th Sep 2025523 PMAQI
30th Sep 2025544 PMAQI
30th Sep 2025535 PMAQI
30th Sep 2025686 PMAQI
30th Sep 2025707 PMAQI
30th Sep 2025848 PMAQI
30th Sep 2025669 PMAQI
30th Sep 20256310 PMAQI
30th Sep 20256811 PMAQI
1st Oct 20255312 AMAQI
1st Oct 2025531 AMAQI
1st Oct 2025552 AMAQI
1st Oct 2025523 AMAQI
1st Oct 2025524 AMAQI

23°C21/26°C

1st Oct 2025545 AMAQI
1st Oct 2025566 AMAQI
1st Oct 2025557 AMAQI
1st Oct 2025528 AMAQI
1st Oct 2025509 AMAQI
1st Oct 20255310 AMAQI
1st Oct 20255311 AMAQI
1st Oct 20255612 PMAQI
1st Oct 2025531 PMAQI
1st Oct 2025532 PMAQI
1st Oct 2025463 PMAQI
1st Oct 2025444 PMAQI
1st Oct 2025445 PMAQI
1st Oct 2025386 PMAQI
1st Oct 2025357 PMAQI
1st Oct 2025338 PMAQI
1st Oct 2025359 PMAQI
1st Oct 20253510 PMAQI
1st Oct 20253411 PMAQI
2nd Oct 20253212 AMAQI
2nd Oct 2025431 AMAQI
2nd Oct 2025422 AMAQI
2nd Oct 2025393 AMAQI
2nd Oct 2025424 AMAQI

20°C19/20°C

2nd Oct 2025415 AMAQI
2nd Oct 2025416 AMAQI
2nd Oct 2025487 AMAQI
2nd Oct 2025478 AMAQI
2nd Oct 2025489 AMAQI
2nd Oct 20255410 AMAQI
2nd Oct 20255311 AMAQI
2nd Oct 20255512 PMAQI
2nd Oct 2025641 PMAQI
2nd Oct 2025632 PMAQI
2nd Oct 2025633 PMAQI
2nd Oct 2025624 PMAQI
2nd Oct 2025565 PMAQI
2nd Oct 2025576 PMAQI
2nd Oct 2025517 PMAQI
2nd Oct 2025518 PMAQI
2nd Oct 2025539 PMAQI
2nd Oct 20255610 PMAQI
2nd Oct 20255811 PMAQI
3rd Oct 20255712 AMAQI
3rd Oct 2025591 AMAQI
3rd Oct 2025572 AMAQI
3rd Oct 2025533 AMAQI
3rd Oct 2025524 AMAQI

22°C18/27°C

3rd Oct 2025515 AMAQI
3rd Oct 2025496 AMAQI
3rd Oct 2025397 AMAQI
3rd Oct 2025468 AMAQI
3rd Oct 2025529 AMAQI
3rd Oct 20255310 AMAQI
3rd Oct 20254711 AMAQI
3rd Oct 20255212 PMAQI
3rd Oct 2025501 PMAQI
3rd Oct 2025532 PMAQI
3rd Oct 2025543 PMAQI
3rd Oct 2025524 PMAQI
3rd Oct 2025485 PMAQI
3rd Oct 2025546 PMAQI
3rd Oct 2025557 PMAQI
3rd Oct 2025478 PMAQI
3rd Oct 2025679 PMAQI
3rd Oct 20257010 PMAQI
3rd Oct 20256911 PMAQI
4th Oct 20257112 AMAQI
4th Oct 2025691 AMAQI
4th Oct 2025682 AMAQI
4th Oct 2025663 AMAQI
4th Oct 2025664 AMAQI

22°C18/26°C

4th Oct 2025645 AMAQI
4th Oct 2025636 AMAQI
4th Oct 2025637 AMAQI
4th Oct 2025678 AMAQI
4th Oct 2025649 AMAQI
4th Oct 20256510 AMAQI
4th Oct 20256511 AMAQI
4th Oct 20256412 PMAQI
4th Oct 2025641 PMAQI
4th Oct 2025642 PMAQI
4th Oct 2025633 PMAQI
4th Oct 2025634 PMAQI
4th Oct 2025605 PMAQI
4th Oct 2025606 PMAQI
4th Oct 2025627 PMAQI
4th Oct 2025588 PMAQI
4th Oct 2025569 PMAQI
4th Oct 20255510 PMAQI
4th Oct 20255611 PMAQI
5th Oct 20255612 AMAQI
5th Oct 2025551 AMAQI
5th Oct 2025562 AMAQI
5th Oct 2025523 AMAQI
5th Oct 2025514 AMAQI

22°C20/24°C

5th Oct 2025525 AMAQI
5th Oct 2025526 AMAQI
5th Oct 2025507 AMAQI
5th Oct 2025498 AMAQI
5th Oct 2025549 AMAQI
5th Oct 20255710 AMAQI
5th Oct 20255611 AMAQI
5th Oct 20255512 PMAQI
5th Oct 2025551 PMAQI
5th Oct 2025572 PMAQI
5th Oct 2025593 PMAQI
5th Oct 2025614 PMAQI
5th Oct 2025615 PMAQI
5th Oct 2025676 PMAQI
5th Oct 2025667 PMAQI
5th Oct 2025638 PMAQI
5th Oct 2025659 PMAQI
5th Oct 20256710 PMAQI
5th Oct 20257111 PMAQI
6th Oct 20256812 AMAQI
6th Oct 2025611 AMAQI
6th Oct 2025602 AMAQI
6th Oct 2025613 AMAQI
6th Oct 2025634 AMAQI

24°C20/27°C

6th Oct 2025635 AMAQI
6th Oct 2025616 AMAQI
6th Oct 2025577 AMAQI
6th Oct 2025598 AMAQI
6th Oct 2025599 AMAQI
6th Oct 20256010 AMAQI
6th Oct 20256311 AMAQI
6th Oct 20256612 PMAQI
6th Oct 2025621 PMAQI
6th Oct 2025622 PMAQI
6th Oct 2025623 PMAQI
6th Oct 2025584 PMAQI
6th Oct 2025525 PMAQI
6th Oct 2025536 PMAQI
6th Oct 2025587 PMAQI
6th Oct 2025628 PMAQI
6th Oct 2025649 PMAQI
6th Oct 20256210 PMAQI
6th Oct 20255711 PMAQI
7th Oct 20255912 AMAQI
7th Oct 2025591 AMAQI
7th Oct 2025582 AMAQI

23°C20/28°C

7th Oct 2025528 PMAQI
7th Oct 2025439 PMAQI
7th Oct 20255910 PMAQI
7th Oct 20255711 PMAQI
8th Oct 20255612 AMAQI
8th Oct 2025571 AMAQI
8th Oct 2025562 AMAQI
8th Oct 2025573 AMAQI
8th Oct 2025564 AMAQI

20°C19/21°C

8th Oct 2025565 AMAQI
8th Oct 2025566 AMAQI
8th Oct 2025567 AMAQI
8th Oct 2025588 AMAQI
8th Oct 2025609 AMAQI
8th Oct 20256210 AMAQI
8th Oct 20256311 AMAQI
8th Oct 20256212 PMAQI
8th Oct 2025641 PMAQI
8th Oct 2025622 PMAQI
8th Oct 2025643 PMAQI
8th Oct 2025684 PMAQI
8th Oct 2025695 PMAQI
8th Oct 2025646 PMAQI
8th Oct 2025657 PMAQI
8th Oct 2025648 PMAQI
8th Oct 2025679 PMAQI
8th Oct 20257110 PMAQI
8th Oct 20257011 PMAQI
9th Oct 20257412 AMAQI
9th Oct 2025671 AMAQI
9th Oct 2025622 AMAQI
9th Oct 2025623 AMAQI
9th Oct 2025594 AMAQI

23°C19/28°C

9th Oct 2025585 AMAQI
5 AM
9th Oct 2025536 AMAQI
9th Oct 2025537 AMAQI
9th Oct 2025528 AMAQI
9th Oct 2025529 AMAQI
9th Oct 20255010 AMAQI
9th Oct 20255011 AMAQI
11 AM
9th Oct 20254312 PMAQI
9th Oct 2025411 PMAQI
9th Oct 2025442 PMAQI
9th Oct 2025533 PMAQI
9th Oct 2025544 PMAQI
9th Oct 2025545 PMAQI
5 PM
9th Oct 2025536 PMAQI
11 PM
4 AM

--°C/°C

Waktu Siang
Rata-rata Waktu Tertinggi
5 AM - 5 PM

42AQI

13 jam / Hari
390 jam / Bulan
Rata-rata Waktu Terendah
5 AM - 5 PM

42AQI

13 jam / Hari
390 jam / Bulan
Dalam 30 hari terakhir, pada siang hari, AQI tertinggi tercatat antara 5 AM hingga 5 PM (Rata-rata 42), sedangkan AQI terendah tercatat antara 5 AM hingga 5 PM (Rata-rata 42).
Waktu Malam
Rata-rata Waktu Tertinggi
12 AM - 11 PM

42AQI

11 jam / Hari
330 jam / Bulan
Rata-rata Waktu Terendah
12 AM - 11 PM

42AQI

11 jam / Hari
330 jam / Bulan
Dalam 30 hari terakhir, pada siang hari, AQI tertinggi tercatat antara 12 AM hingga 11 PM (Rata-rata 42), sedangkan AQI terendah tercatat antara 12 AM hingga 11 PM (Rata-rata 42).

2025 Hari Vs Kualitas Udara

Ko, Chikusei, Ibaraki, Japan

2025

89%

249

11%

32

Jumlah total hari dengan kategori AQI berbeda dalam 282 hari terakhir di 2025 (83 hari tersisa)

Baik
249 Hari
Sedang
32 Hari
Buruk
0 Hari
Tidak Sehat
0 Hari
Parah
0 Hari
Berbahaya
0 Hari

Di bawah Batas Aman WHO Kualitas Udara: 89%

Tingkat Risiko Kesehatan:

Rendah

Pada 2025, 89% dari 282 hari berada dalam batas kualitas udara aman WHO. Risiko masalah kesehatan adalah Rendah, tetapi dampak jangka panjang, terutama pada individu yang rentan, tetap tidak pasti.

Wawasan Kualitas Udara Tahunan

Ko, Chikusei, Ibaraki, Japan

Tingkat AQI pada 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Min.Sen.Sel.Rab.Kam.Jum.Sab.

Jan.

Feb.

Mar.

Apr.

Mei

Jun.

Jul.

Agu.

Sep.

Okt.

Nov.

Des.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st Januari 2025
32AQI
2nd Januari 2025
35AQI
3rd Januari 2025
26AQI
4th Januari 2025
27AQI
5th Januari 2025
34AQI
6th Januari 2025
57AQI
7th Januari 2025
35AQI
8th Januari 2025
37AQI
9th Januari 2025
28AQI
10th Januari 2025
30AQI
11th Januari 2025
28AQI
12th Januari 2025
38AQI
13th Januari 2025
30AQI
14th Januari 2025
39AQI
15th Januari 2025
35AQI
16th Januari 2025
34AQI
17th Januari 2025
31AQI
18th Januari 2025
35AQI
19th Januari 2025
59AQI
20th Januari 2025
42AQI
21st Januari 2025
48AQI
22nd Januari 2025
40AQI
23rd Januari 2025
48AQI
24th Januari 2025
46AQI
25th Januari 2025
39AQI
26th Januari 2025
35AQI
27th Januari 2025
36AQI
28th Januari 2025
40AQI
29th Januari 2025
31AQI
30th Januari 2025
32AQI
31st Januari 2025
29AQI
1st Februari 2025
35AQI
2nd Februari 2025
34AQI
3rd Februari 2025
39AQI
4th Februari 2025
31AQI
5th Februari 2025
34AQI
6th Februari 2025
28AQI
7th Februari 2025
30AQI
8th Februari 2025
30AQI
9th Februari 2025
30AQI
10th Februari 2025
30AQI
11th Februari 2025
30AQI
12th Februari 2025
40AQI
13th Februari 2025
38AQI
14th Februari 2025
34AQI
15th Februari 2025
33AQI
16th Februari 2025
38AQI
17th Februari 2025
36AQI
18th Februari 2025
32AQI
19th Februari 2025
31AQI
20th Februari 2025
31AQI
21st Februari 2025
31AQI
22nd Februari 2025
31AQI
23rd Februari 2025
32AQI
24th Februari 2025
32AQI
25th Februari 2025
34AQI
26th Februari 2025
38AQI
27th Februari 2025
40AQI
28th Februari 2025
50AQI
1st Maret 2025
49AQI
2nd Maret 2025
59AQI
3rd Maret 2025
39AQI
4th Maret 2025
38AQI
5th Maret 2025
26AQI
6th Maret 2025
33AQI
7th Maret 2025
31AQI
8th Maret 2025
37AQI
9th Maret 2025
35AQI
10th Maret 2025
37AQI
11th Maret 2025
45AQI
12th Maret 2025
47AQI
13th Maret 2025
45AQI
14th Maret 2025
37AQI
15th Maret 2025
39AQI
16th Maret 2025
24AQI
17th Maret 2025
23AQI
18th Maret 2025
24AQI
19th Maret 2025
19AQI
20th Maret 2025
26AQI
21st Maret 2025
40AQI
22nd Maret 2025
49AQI
23rd Maret 2025
51AQI
24th Maret 2025
50AQI
25th Maret 2025
67AQI
26th Maret 2025
63AQI
27th Maret 2025
66AQI
28th Maret 2025
49AQI
29th Maret 2025
38AQI
30th Maret 2025
33AQI
31st Maret 2025
31AQI
1st April 2025
26AQI
2nd April 2025
22AQI
3rd April 2025
20AQI
4th April 2025
24AQI
5th April 2025
24AQI
6th April 2025
20AQI
7th April 2025
25AQI
8th April 2025
32AQI
9th April 2025
23AQI
10th April 2025
39AQI
11th April 2025
35AQI
12th April 2025
29AQI
13th April 2025
23AQI
14th April 2025
26AQI
15th April 2025
22AQI
16th April 2025
20AQI
17th April 2025
37AQI
18th April 2025
46AQI
19th April 2025
55AQI
20th April 2025
45AQI
21st April 2025
38AQI
22nd April 2025
42AQI
23rd April 2025
23AQI
24th April 2025
33AQI
25th April 2025
29AQI
26th April 2025
40AQI
27th April 2025
39AQI
28th April 2025
44AQI
29th April 2025
27AQI
30th April 2025
34AQI
1st Mei 2025
30AQI
2nd Mei 2025
25AQI
3rd Mei 2025
27AQI
4th Mei 2025
30AQI
5th Mei 2025
28AQI
6th Mei 2025
22AQI
7th Mei 2025
21AQI
8th Mei 2025
24AQI
9th Mei 2025
25AQI
10th Mei 2025
19AQI
11th Mei 2025
22AQI
12th Mei 2025
18AQI
13th Mei 2025
30AQI
14th Mei 2025
32AQI
15th Mei 2025
34AQI
16th Mei 2025
40AQI
17th Mei 2025
24AQI
18th Mei 2025
40AQI
19th Mei 2025
34AQI
20th Mei 2025
52AQI
21st Mei 2025
48AQI
22nd Mei 2025
44AQI
23rd Mei 2025
42AQI
24th Mei 2025
35AQI
25th Mei 2025
27AQI
26th Mei 2025
26AQI
27th Mei 2025
23AQI
28th Mei 2025
22AQI
29th Mei 2025
25AQI
30th Mei 2025
20AQI
31st Mei 2025
16AQI
1st Juni 2025
18AQI
2nd Juni 2025
27AQI
3rd Juni 2025
28AQI
4th Juni 2025
24AQI
5th Juni 2025
31AQI
6th Juni 2025
42AQI
7th Juni 2025
46AQI
8th Juni 2025
55AQI
9th Juni 2025
45AQI
10th Juni 2025
35AQI
11th Juni 2025
30AQI
12th Juni 2025
38AQI
13th Juni 2025
31AQI
14th Juni 2025
31AQI
15th Juni 2025
29AQI
16th Juni 2025
33AQI
17th Juni 2025
40AQI
18th Juni 2025
40AQI
19th Juni 2025
41AQI
20th Juni 2025
39AQI
21st Juni 2025
35AQI
22nd Juni 2025
30AQI
23rd Juni 2025
30AQI
24th Juni 2025
32AQI
25th Juni 2025
25AQI
26th Juni 2025
28AQI
27th Juni 2025
33AQI
28th Juni 2025
34AQI
29th Juni 2025
41AQI
30th Juni 2025
45AQI
1st Juli 2025
44AQI
2nd Juli 2025
47AQI
3rd Juli 2025
48AQI
4th Juli 2025
50AQI
5th Juli 2025
53AQI
6th Juli 2025
62AQI
7th Juli 2025
76AQI
8th Juli 2025
77AQI
9th Juli 2025
80AQI
10th Juli 2025
59AQI
11th Juli 2025
47AQI
12th Juli 2025
49AQI
13th Juli 2025
51AQI
14th Juli 2025
38AQI
15th Juli 2025
38AQI
16th Juli 2025
40AQI
17th Juli 2025
40AQI
18th Juli 2025
37AQI
19th Juli 2025
36AQI
20th Juli 2025
37AQI
21st Juli 2025
43AQI
22nd Juli 2025
44AQI
23rd Juli 2025
46AQI
24th Juli 2025
48AQI
25th Juli 2025
48AQI
26th Juli 2025
48AQI
27th Juli 2025
45AQI
28th Juli 2025
45AQI
29th Juli 2025
43AQI
30th Juli 2025
36AQI
31st Juli 2025
36AQI
1st Agustus 2025
34AQI
2nd Agustus 2025
39AQI
3rd Agustus 2025
43AQI
4th Agustus 2025
56AQI
5th Agustus 2025
49AQI
6th Agustus 2025
47AQI
7th Agustus 2025
40AQI
8th Agustus 2025
39AQI
9th Agustus 2025
37AQI
10th Agustus 2025
35AQI
11th Agustus 2025
35AQI
12th Agustus 2025
32AQI
13th Agustus 2025
31AQI
14th Agustus 2025
31AQI
15th Agustus 2025
32AQI
16th Agustus 2025
33AQI
17th Agustus 2025
38AQI
18th Agustus 2025
41AQI
19th Agustus 2025
42AQI
20th Agustus 2025
48AQI
21st Agustus 2025
46AQI
22nd Agustus 2025
47AQI
23rd Agustus 2025
48AQI
24th Agustus 2025
53AQI
25th Agustus 2025
53AQI
26th Agustus 2025
53AQI
27th Agustus 2025
48AQI
28th Agustus 2025
45AQI
29th Agustus 2025
48AQI
30th Agustus 2025
51AQI
31st Agustus 2025
51AQI
1st September 2025
43AQI
2nd September 2025
37AQI
3rd September 2025
35AQI
4th September 2025
43AQI
5th September 2025
35AQI
6th September 2025
27AQI
7th September 2025
30AQI
8th September 2025
34AQI
9th September 2025
37AQI
10th September 2025
34AQI
11th September 2025
29AQI
12th September 2025
29AQI
13th September 2025
26AQI
14th September 2025
31AQI
15th September 2025
32AQI
16th September 2025
42AQI
17th September 2025
46AQI
18th September 2025
40AQI
19th September 2025
31AQI
20th September 2025
28AQI
21st September 2025
26AQI
22nd September 2025
25AQI
23rd September 2025
25AQI
24th September 2025
26AQI
25th September 2025
46AQI
26th September 2025
55AQI
27th September 2025
47AQI
28th September 2025
48AQI
29th September 2025
59AQI
30th September 2025
53AQI
1st Oktober 2025
50AQI
2nd Oktober 2025
48AQI
3rd Oktober 2025
54AQI
4th Oktober 2025
65AQI
5th Oktober 2025
56AQI
6th Oktober 2025
62AQI
7th Oktober 2025
55AQI
8th Oktober 2025
58AQI
9th Oktober 2025
10th Oktober 2025
11th Oktober 2025
12th Oktober 2025
13th Oktober 2025
14th Oktober 2025
15th Oktober 2025
16th Oktober 2025
17th Oktober 2025
18th Oktober 2025
19th Oktober 2025
20th Oktober 2025
21st Oktober 2025
22nd Oktober 2025
23rd Oktober 2025
24th Oktober 2025
25th Oktober 2025
26th Oktober 2025
27th Oktober 2025
28th Oktober 2025
29th Oktober 2025
30th Oktober 2025
31st Oktober 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st Desember 2025
2nd Desember 2025
3rd Desember 2025
4th Desember 2025
5th Desember 2025
6th Desember 2025
7th Desember 2025
8th Desember 2025
9th Desember 2025
10th Desember 2025
11th Desember 2025
12th Desember 2025
13th Desember 2025
14th Desember 2025
15th Desember 2025
16th Desember 2025
17th Desember 2025
18th Desember 2025
19th Desember 2025
20th Desember 2025
21st Desember 2025
22nd Desember 2025
23rd Desember 2025
24th Desember 2025
25th Desember 2025
26th Desember 2025
27th Desember 2025
28th Desember 2025
29th Desember 2025
30th Desember 2025
31st Desember 2025

37AQI

34AQI

40AQI

31AQI

29AQI

35AQI

48AQI

43AQI

37AQI

56AQI

Jumlah hari

Jan.Feb.Mar.Apr.MeiJun.Jul.Agu.Sep.Okt.Nov.Des.Jumlah Hari

202538AQI

29
2
28
26
5
29
1
30
1
29
1
24
7
25
6
27
3
2
6
249
32

Tertinggi AQI tercatat di

Oktober

56AQI

Terendah AQI tercatat di

Mei

29AQI

202440AQI

16
2
5
2
1
12
29
1
19
12
31
12
17
27
4
27
3
31
213
38

Tertinggi AQI tercatat di

September

54AQI

Terendah AQI tercatat di

Agustus

33AQI

202347AQI

13
6
1
16
9
2
1
18
13
2
3
3
28
3
80
34
3
1

Tertinggi AQI tercatat di

Februari

59AQI

Terendah AQI tercatat di

November

21AQI

202244AQI

24
7
18
3
21
10
14
3
24
7
16
14
14
7
1
26
2
23
8
19
11
15
6
214
79

Tertinggi AQI tercatat di

Agustus

53AQI

Terendah AQI tercatat di

September

40AQI

202140AQI

26
5
20
8
25
5
26
4
25
6
23
7
30
1
26
5
27
3
28
3
25
5
23
8
304
60

Tertinggi AQI tercatat di

Juni

44AQI

Terendah AQI tercatat di

April

37AQI

202040AQI

8
4
20
1
16
2
23
7
28
3
17
14
19
28
3
19
11
6
4
1
184
49
1

Tertinggi AQI tercatat di

Desember

51AQI

Terendah AQI tercatat di

September

32AQI

Tahun Paling & Paling Sedikit Tercemar Selama 6 Tahun Terakhir

Tahun Paling Tercemar Tercatat
2023(Rata-rata)
47AQI
Tahun Paling Sedikit Tercemar Tercatat
2025(Rata-rata)
38AQI

Ko's tahunan 2025 AQI (38) menunjukkan perubahan persentase rata-rata sebesar -10.07% (meningkat AQI) dibandingkan dengan tahun-tahun sebelumnya: 2020 (40), 2021 (40), 2022 (44), 2023 (47), 2024 (40).