Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Analisis Kualitas Udara Historis Chester, Illinois, United States

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 Agustus

Chester, Illinois, United States

2021
2022
2023
2024
2025
AQI
.
Hari

Tren AQI: Tertinggi dan Terendah

AQI tertinggi tercatat pada
1st Aug 2021
97AQI
AQI terendah tercatat pada
27th Aug 2023
21AQI

Analisis Hari yang Sama (8th August ):
Pada hari ini, AQI selama 5 tahun bervariasi secara signifikan: 2025 berada di peringkat 2nd tertinggi dengan AQI sebesar 52 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 Aug - 9th Aug 2025

Chester, Illinois, United States

AQI
Hari
Malam
.

5 AM8th Aug 2025

8 PM

4 AM9th Aug 2025

Waktu Siang
Rata-rata Waktu Tertinggi
10AM8th Aug

40AQI

Rata-rata Waktu Terendah
6AM8th Aug

35AQI

Waktu Malam
Rata-rata Waktu Tertinggi
9PM8th Aug

38AQI

Rata-rata Waktu Terendah
4AM9th Aug

35AQI

Dalam 24 jam terakhir,

AQI di Chester mencapai tingkat tertinggi sebesar 40 pada 10 AM selama Hari, sementara tingkat terendah, 35, tercatat pada 4 AM selama Malam antara 8th Aug dan 9th Aug 2025.

Tren AQI Siang & Malam : Jul - Aug 2025

Chester, Illinois, United States

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 - 09th09th
Hari
Malam
10th Jul 2025385 AMAQI
10th Jul 2025376 AMAQI
10th Jul 2025367 AMAQI
10th Jul 2025378 AMAQI
10th Jul 2025399 AMAQI
10th Jul 20254010 AMAQI
10th Jul 20254011 AMAQI
10th Jul 20254212 PMAQI
10th Jul 2025431 PMAQI
10th Jul 2025452 PMAQI
10th Jul 2025433 PMAQI
10th Jul 2025424 PMAQI
10th Jul 2025425 PMAQI
10th Jul 2025416 PMAQI
10th Jul 2025397 PMAQI
10th Jul 2025388 PMAQI
10th Jul 2025399 PMAQI
10th Jul 20253910 PMAQI
10th Jul 20253811 PMAQI
11th Jul 20253912 AMAQI
11th Jul 2025401 AMAQI
11th Jul 2025382 AMAQI
11th Jul 2025393 AMAQI
11th Jul 2025424 AMAQI

27°C19/34°C

11th Jul 2025435 AMAQI
11th Jul 2025446 AMAQI
11th Jul 2025457 AMAQI
11th Jul 2025458 AMAQI
11th Jul 2025459 AMAQI
11th Jul 20254410 AMAQI
11th Jul 20254511 AMAQI
11th Jul 20254512 PMAQI
11th Jul 2025451 PMAQI
11th Jul 2025442 PMAQI
11th Jul 2025443 PMAQI
11th Jul 2025424 PMAQI
11th Jul 2025415 PMAQI
11th Jul 2025416 PMAQI
11th Jul 2025437 PMAQI
11th Jul 2025438 PMAQI
11th Jul 2025419 PMAQI
11th Jul 20254210 PMAQI
11th Jul 20254211 PMAQI
12th Jul 20254112 AMAQI
12th Jul 2025411 AMAQI
12th Jul 2025392 AMAQI
12th Jul 2025383 AMAQI
12th Jul 2025374 AMAQI

28°C21/36°C

12th Jul 2025355 AMAQI
12th Jul 2025336 AMAQI
12th Jul 2025367 AMAQI
12th Jul 2025368 AMAQI
12th Jul 2025369 AMAQI
12th Jul 20254010 AMAQI
12th Jul 20254211 AMAQI
12th Jul 20254112 PMAQI
12th Jul 2025411 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025403 PMAQI
12th Jul 2025394 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025366 PMAQI
12th Jul 2025377 PMAQI
12th Jul 2025388 PMAQI
12th Jul 2025389 PMAQI
12th Jul 20253710 PMAQI
12th Jul 20253911 PMAQI
13th Jul 20253812 AMAQI
13th Jul 2025361 AMAQI
13th Jul 2025332 AMAQI
13th Jul 2025333 AMAQI
13th Jul 2025324 AMAQI

27°C24/30°C

13th Jul 2025325 AMAQI
13th Jul 2025326 AMAQI
13th Jul 2025347 AMAQI
13th Jul 2025348 AMAQI
13th Jul 2025349 AMAQI
13th Jul 20253110 AMAQI
13th Jul 20253011 AMAQI
13th Jul 20253512 PMAQI
13th Jul 2025341 PMAQI
13th Jul 2025362 PMAQI
13th Jul 2025333 PMAQI
13th Jul 2025334 PMAQI
13th Jul 2025335 PMAQI
13th Jul 2025336 PMAQI
13th Jul 2025347 PMAQI
13th Jul 2025348 PMAQI
13th Jul 2025339 PMAQI
13th Jul 20253210 PMAQI
13th Jul 20253311 PMAQI
14th Jul 20253212 AMAQI
14th Jul 2025321 AMAQI
14th Jul 2025312 AMAQI
14th Jul 2025323 AMAQI
14th Jul 2025324 AMAQI

25°C22/33°C

14th Jul 2025325 AMAQI
14th Jul 2025326 AMAQI
14th Jul 2025337 AMAQI
14th Jul 2025338 AMAQI
14th Jul 2025349 AMAQI
14th Jul 20253510 AMAQI
14th Jul 20253711 AMAQI
14th Jul 20254112 PMAQI
14th Jul 2025411 PMAQI
14th Jul 2025402 PMAQI
14th Jul 2025393 PMAQI
14th Jul 2025384 PMAQI
14th Jul 2025385 PMAQI
14th Jul 2025376 PMAQI
14th Jul 2025367 PMAQI
14th Jul 2025358 PMAQI
14th Jul 2025339 PMAQI
14th Jul 20253210 PMAQI
14th Jul 20253111 PMAQI
15th Jul 20252912 AMAQI
15th Jul 2025281 AMAQI
15th Jul 2025262 AMAQI
15th Jul 2025283 AMAQI
15th Jul 2025274 AMAQI

24°C21/28°C

15th Jul 2025285 AMAQI
15th Jul 2025296 AMAQI
15th Jul 2025297 AMAQI
15th Jul 2025288 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20252910 AMAQI
15th Jul 20253111 AMAQI
15th Jul 20253212 PMAQI
15th Jul 2025321 PMAQI
15th Jul 2025342 PMAQI
15th Jul 2025353 PMAQI
15th Jul 2025344 PMAQI
15th Jul 2025345 PMAQI
15th Jul 2025346 PMAQI
15th Jul 2025327 PMAQI
15th Jul 2025318 PMAQI
15th Jul 2025329 PMAQI
15th Jul 20253210 PMAQI
15th Jul 20253211 PMAQI
16th Jul 20253212 AMAQI
16th Jul 2025311 AMAQI
16th Jul 2025322 AMAQI
16th Jul 2025313 AMAQI
16th Jul 2025314 AMAQI

26°C21/30°C

16th Jul 2025315 AMAQI
16th Jul 2025316 AMAQI
16th Jul 2025337 AMAQI
16th Jul 2025328 AMAQI
16th Jul 2025339 AMAQI
16th Jul 20253410 AMAQI
16th Jul 20253511 AMAQI
16th Jul 20253512 PMAQI
16th Jul 2025351 PMAQI
16th Jul 2025362 PMAQI
16th Jul 2025363 PMAQI
16th Jul 2025344 PMAQI
16th Jul 2025355 PMAQI
16th Jul 2025356 PMAQI
16th Jul 2025357 PMAQI
16th Jul 2025348 PMAQI
16th Jul 2025369 PMAQI
16th Jul 20253710 PMAQI
16th Jul 20253511 PMAQI
17th Jul 20253212 AMAQI
17th Jul 2025311 AMAQI
17th Jul 2025292 AMAQI
17th Jul 2025283 AMAQI
17th Jul 2025274 AMAQI

28°C22/36°C

17th Jul 2025285 AMAQI
17th Jul 2025276 AMAQI
17th Jul 2025297 AMAQI
17th Jul 2025308 AMAQI
17th Jul 2025289 AMAQI
17th Jul 20252910 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20253512 PMAQI
17th Jul 2025381 PMAQI
17th Jul 2025372 PMAQI
17th Jul 2025373 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025355 PMAQI
17th Jul 2025336 PMAQI
17th Jul 2025347 PMAQI
17th Jul 2025338 PMAQI
17th Jul 2025339 PMAQI
17th Jul 20253110 PMAQI
17th Jul 20253011 PMAQI
18th Jul 20252912 AMAQI
18th Jul 2025271 AMAQI
18th Jul 2025232 AMAQI
18th Jul 2025223 AMAQI
18th Jul 2025224 AMAQI

27°C23/34°C

18th Jul 2025215 AMAQI
18th Jul 2025226 AMAQI
18th Jul 2025257 AMAQI
18th Jul 2025258 AMAQI
18th Jul 2025289 AMAQI
18th Jul 20252810 AMAQI
18th Jul 20252811 AMAQI
18th Jul 20252912 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025273 PMAQI
18th Jul 2025274 PMAQI
18th Jul 2025275 PMAQI
18th Jul 2025276 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025268 PMAQI
18th Jul 2025299 PMAQI
18th Jul 20252810 PMAQI
18th Jul 20252811 PMAQI
19th Jul 20252712 AMAQI
19th Jul 2025281 AMAQI
19th Jul 2025292 AMAQI
19th Jul 2025313 AMAQI
19th Jul 2025304 AMAQI

27°C23/32°C

19th Jul 2025265 AMAQI
19th Jul 2025286 AMAQI
19th Jul 2025307 AMAQI
19th Jul 2025298 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20253110 AMAQI
19th Jul 20253411 AMAQI
19th Jul 20253212 PMAQI
19th Jul 2025321 PMAQI
19th Jul 2025322 PMAQI
19th Jul 2025333 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025335 PMAQI
19th Jul 2025326 PMAQI
19th Jul 2025317 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025319 PMAQI
19th Jul 20253110 PMAQI
19th Jul 20253111 PMAQI
20th Jul 20253112 AMAQI
20th Jul 2025331 AMAQI
20th Jul 2025352 AMAQI
20th Jul 2025353 AMAQI
20th Jul 2025364 AMAQI

27°C23/32°C

20th Jul 2025365 AMAQI
20th Jul 2025386 AMAQI
20th Jul 2025397 AMAQI
20th Jul 2025388 AMAQI
20th Jul 2025399 AMAQI
20th Jul 20253710 AMAQI
20th Jul 20253511 AMAQI
20th Jul 20253412 PMAQI
20th Jul 2025341 PMAQI
20th Jul 2025342 PMAQI
20th Jul 2025363 PMAQI
20th Jul 2025374 PMAQI
20th Jul 2025375 PMAQI
20th Jul 2025376 PMAQI
20th Jul 2025357 PMAQI
20th Jul 2025358 PMAQI
20th Jul 2025369 PMAQI
20th Jul 20253610 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253512 AMAQI
21st Jul 2025331 AMAQI
21st Jul 2025332 AMAQI
21st Jul 2025313 AMAQI
21st Jul 2025304 AMAQI

30°C24/36°C

21st Jul 2025275 AMAQI
21st Jul 2025276 AMAQI
21st Jul 2025287 AMAQI
21st Jul 2025278 AMAQI
21st Jul 2025289 AMAQI
21st Jul 20252910 AMAQI
21st Jul 20253411 AMAQI
21st Jul 20253512 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025392 PMAQI
21st Jul 2025383 PMAQI
21st Jul 2025414 PMAQI
21st Jul 2025405 PMAQI
21st Jul 2025406 PMAQI
21st Jul 2025347 PMAQI
21st Jul 2025338 PMAQI
21st Jul 2025399 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253611 PMAQI
22nd Jul 20253712 AMAQI
22nd Jul 2025401 AMAQI
22nd Jul 2025432 AMAQI
22nd Jul 2025413 AMAQI
22nd Jul 2025394 AMAQI

27°C23/31°C

22nd Jul 2025385 AMAQI
22nd Jul 2025366 AMAQI
22nd Jul 2025367 AMAQI
22nd Jul 2025368 AMAQI
22nd Jul 2025379 AMAQI
22nd Jul 20253910 AMAQI
22nd Jul 20253911 AMAQI
22nd Jul 20254012 PMAQI
22nd Jul 2025401 PMAQI
22nd Jul 2025412 PMAQI
22nd Jul 2025423 PMAQI
22nd Jul 2025444 PMAQI
22nd Jul 2025435 PMAQI
22nd Jul 2025436 PMAQI
22nd Jul 2025427 PMAQI
22nd Jul 2025428 PMAQI
22nd Jul 2025429 PMAQI
22nd Jul 20254010 PMAQI
22nd Jul 20253911 PMAQI
23rd Jul 20253912 AMAQI
23rd Jul 2025361 AMAQI
23rd Jul 2025332 AMAQI
23rd Jul 2025333 AMAQI
23rd Jul 2025324 AMAQI

28°C23/34°C

23rd Jul 2025325 AMAQI
23rd Jul 2025336 AMAQI
23rd Jul 2025357 AMAQI
23rd Jul 2025348 AMAQI
23rd Jul 2025349 AMAQI
23rd Jul 20253510 AMAQI
23rd Jul 20253611 AMAQI
23rd Jul 20253812 PMAQI
23rd Jul 2025391 PMAQI
23rd Jul 2025392 PMAQI
23rd Jul 2025393 PMAQI
23rd Jul 2025394 PMAQI
23rd Jul 2025425 PMAQI
23rd Jul 2025426 PMAQI
23rd Jul 2025397 PMAQI
23rd Jul 2025388 PMAQI
23rd Jul 2025409 PMAQI
23rd Jul 20254110 PMAQI
23rd Jul 20253811 PMAQI
24th Jul 20253712 AMAQI
24th Jul 2025351 AMAQI
24th Jul 2025352 AMAQI
24th Jul 2025353 AMAQI
24th Jul 2025364 AMAQI

30°C25/36°C

24th Jul 2025355 AMAQI
24th Jul 2025366 AMAQI
24th Jul 2025367 AMAQI
24th Jul 2025378 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20253810 AMAQI
24th Jul 20254011 AMAQI
24th Jul 20254312 PMAQI
24th Jul 2025421 PMAQI
24th Jul 2025432 PMAQI
24th Jul 2025433 PMAQI
24th Jul 2025434 PMAQI
24th Jul 2025425 PMAQI
24th Jul 2025436 PMAQI
24th Jul 2025417 PMAQI
24th Jul 2025418 PMAQI
24th Jul 2025429 PMAQI
24th Jul 20254310 PMAQI
24th Jul 20254211 PMAQI
25th Jul 20254312 AMAQI
25th Jul 2025431 AMAQI
25th Jul 2025432 AMAQI
25th Jul 2025433 AMAQI
25th Jul 2025444 AMAQI

30°C25/37°C

25th Jul 2025445 AMAQI
25th Jul 2025446 AMAQI
25th Jul 2025447 AMAQI
25th Jul 2025438 AMAQI
25th Jul 2025449 AMAQI
25th Jul 20254510 AMAQI
25th Jul 20254611 AMAQI
25th Jul 20254612 PMAQI
25th Jul 2025461 PMAQI
25th Jul 2025482 PMAQI
25th Jul 2025493 PMAQI
25th Jul 2025494 PMAQI
25th Jul 2025465 PMAQI
25th Jul 2025476 PMAQI
25th Jul 2025457 PMAQI
25th Jul 2025448 PMAQI
25th Jul 2025419 PMAQI
25th Jul 20254010 PMAQI
25th Jul 20254011 PMAQI
26th Jul 20254012 AMAQI
26th Jul 2025371 AMAQI
26th Jul 2025332 AMAQI
26th Jul 2025323 AMAQI
26th Jul 2025304 AMAQI

29°C25/35°C

26th Jul 2025305 AMAQI
26th Jul 2025306 AMAQI
26th Jul 2025317 AMAQI
26th Jul 2025338 AMAQI
26th Jul 2025359 AMAQI
26th Jul 20253910 AMAQI
26th Jul 20254111 AMAQI
26th Jul 20254012 PMAQI
26th Jul 2025411 PMAQI
26th Jul 2025412 PMAQI
26th Jul 2025433 PMAQI
26th Jul 2025414 PMAQI
26th Jul 2025395 PMAQI
26th Jul 2025396 PMAQI
26th Jul 2025387 PMAQI
26th Jul 2025388 PMAQI
26th Jul 2025399 PMAQI
26th Jul 20254010 PMAQI
26th Jul 20253911 PMAQI
27th Jul 20254112 AMAQI
27th Jul 2025461 AMAQI
27th Jul 2025672 AMAQI
27th Jul 2025683 AMAQI
27th Jul 2025664 AMAQI

29°C25/35°C

27th Jul 2025655 AMAQI
27th Jul 2025616 AMAQI
27th Jul 2025607 AMAQI
27th Jul 2025618 AMAQI
27th Jul 2025619 AMAQI
27th Jul 20255810 AMAQI
27th Jul 20255611 AMAQI
27th Jul 20255512 PMAQI
27th Jul 2025531 PMAQI
27th Jul 2025542 PMAQI
27th Jul 2025533 PMAQI
27th Jul 2025534 PMAQI
27th Jul 2025515 PMAQI
27th Jul 2025496 PMAQI
27th Jul 2025587 PMAQI
27th Jul 2025588 PMAQI
27th Jul 2025479 PMAQI
27th Jul 20254610 PMAQI
27th Jul 20254611 PMAQI
28th Jul 20254512 AMAQI
28th Jul 2025401 AMAQI
28th Jul 2025312 AMAQI
28th Jul 2025313 AMAQI
28th Jul 2025314 AMAQI

29°C24/33°C

28th Jul 2025335 AMAQI
28th Jul 2025356 AMAQI
28th Jul 2025377 AMAQI
28th Jul 2025368 AMAQI
28th Jul 2025379 AMAQI
28th Jul 20253710 AMAQI
28th Jul 20253911 AMAQI
28th Jul 20254012 PMAQI
28th Jul 2025421 PMAQI
28th Jul 2025442 PMAQI
28th Jul 2025413 PMAQI
28th Jul 2025414 PMAQI
28th Jul 2025405 PMAQI
28th Jul 2025416 PMAQI
28th Jul 2025367 PMAQI
28th Jul 2025368 PMAQI
28th Jul 2025409 PMAQI
28th Jul 20253910 PMAQI
28th Jul 20254211 PMAQI
29th Jul 20254412 AMAQI
29th Jul 2025441 AMAQI
29th Jul 2025442 AMAQI
29th Jul 2025463 AMAQI
29th Jul 2025464 AMAQI

31°C25/37°C

29th Jul 2025445 AMAQI
29th Jul 2025456 AMAQI
29th Jul 2025467 AMAQI
29th Jul 2025468 AMAQI
29th Jul 2025469 AMAQI
29th Jul 20254510 AMAQI
29th Jul 20254511 AMAQI
29th Jul 20254512 PMAQI
29th Jul 2025461 PMAQI
29th Jul 2025462 PMAQI
29th Jul 2025463 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025465 PMAQI
29th Jul 2025456 PMAQI
29th Jul 2025467 PMAQI
29th Jul 2025478 PMAQI
29th Jul 2025459 PMAQI
29th Jul 20254410 PMAQI
29th Jul 20254511 PMAQI
30th Jul 20254512 AMAQI
30th Jul 2025441 AMAQI
30th Jul 2025432 AMAQI
30th Jul 2025453 AMAQI
30th Jul 2025444 AMAQI

30°C25/36°C

30th Jul 2025445 AMAQI
30th Jul 2025466 AMAQI
30th Jul 2025477 AMAQI
30th Jul 2025488 AMAQI
30th Jul 2025479 AMAQI
30th Jul 20254710 AMAQI
30th Jul 20254911 AMAQI
30th Jul 20254912 PMAQI
30th Jul 2025501 PMAQI
30th Jul 2025492 PMAQI
30th Jul 2025493 PMAQI
30th Jul 2025494 PMAQI
30th Jul 2025495 PMAQI
30th Jul 2025496 PMAQI
30th Jul 2025497 PMAQI
30th Jul 2025498 PMAQI
30th Jul 2025479 PMAQI
30th Jul 20254710 PMAQI
30th Jul 20254711 PMAQI
31st Jul 20254612 AMAQI
31st Jul 2025451 AMAQI
31st Jul 2025422 AMAQI
31st Jul 2025423 AMAQI
31st Jul 2025424 AMAQI

29°C23/36°C

31st Jul 2025405 AMAQI
31st Jul 2025426 AMAQI
31st Jul 2025447 AMAQI
31st Jul 2025458 AMAQI
31st Jul 2025449 AMAQI
31st Jul 20254510 AMAQI
31st Jul 20254611 AMAQI
31st Jul 20254612 PMAQI
31st Jul 2025451 PMAQI
31st Jul 2025452 PMAQI
31st Jul 2025423 PMAQI
31st Jul 2025384 PMAQI
31st Jul 2025365 PMAQI
31st Jul 2025376 PMAQI
31st Jul 2025447 PMAQI
31st Jul 2025458 PMAQI
31st Jul 2025469 PMAQI
31st Jul 20254710 PMAQI
31st Jul 20254911 PMAQI
1st Aug 20254812 AMAQI
1st Aug 2025461 AMAQI
1st Aug 2025462 AMAQI
1st Aug 2025413 AMAQI
1st Aug 2025404 AMAQI

26°C23/29°C

1st Aug 2025395 AMAQI
1st Aug 2025406 AMAQI
1st Aug 2025437 AMAQI
1st Aug 2025478 AMAQI
1st Aug 2025499 AMAQI
1st Aug 20255110 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20255012 PMAQI
1st Aug 2025491 PMAQI
1st Aug 2025482 PMAQI
1st Aug 2025483 PMAQI
1st Aug 2025484 PMAQI
1st Aug 2025505 PMAQI
1st Aug 2025486 PMAQI
1st Aug 2025497 PMAQI
1st Aug 2025488 PMAQI
1st Aug 2025499 PMAQI
1st Aug 20255110 PMAQI
1st Aug 20255311 PMAQI
2nd Aug 20255312 AMAQI
2nd Aug 2025531 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025554 AMAQI

23°C18/29°C

2nd Aug 2025535 AMAQI
2nd Aug 2025526 AMAQI
2nd Aug 2025527 AMAQI
2nd Aug 2025518 AMAQI
2nd Aug 2025509 AMAQI
2nd Aug 20255010 AMAQI
2nd Aug 20255011 AMAQI
2nd Aug 20254612 PMAQI
2nd Aug 2025431 PMAQI
2nd Aug 2025412 PMAQI
2nd Aug 2025413 PMAQI
2nd Aug 2025384 PMAQI
2nd Aug 2025365 PMAQI
2nd Aug 2025366 PMAQI
2nd Aug 2025477 PMAQI
2nd Aug 2025448 PMAQI
2nd Aug 2025419 PMAQI
2nd Aug 20254310 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20254512 AMAQI
3rd Aug 2025461 AMAQI
3rd Aug 2025472 AMAQI
3rd Aug 2025463 AMAQI
3rd Aug 2025444 AMAQI

21°C14/26°C

3rd Aug 2025435 AMAQI
3rd Aug 2025456 AMAQI
3rd Aug 2025457 AMAQI
3rd Aug 2025438 AMAQI
3rd Aug 2025439 AMAQI
3rd Aug 20254310 AMAQI
3rd Aug 20254511 AMAQI
3rd Aug 20254612 PMAQI
3rd Aug 2025461 PMAQI
3rd Aug 2025462 PMAQI
3rd Aug 2025463 PMAQI
3rd Aug 2025464 PMAQI
3rd Aug 2025455 PMAQI
3rd Aug 2025456 PMAQI
3rd Aug 2025447 PMAQI
3rd Aug 2025438 PMAQI
3rd Aug 2025439 PMAQI
3rd Aug 20254210 PMAQI
3rd Aug 20254211 PMAQI
4th Aug 20254412 AMAQI
4th Aug 2025451 AMAQI
4th Aug 2025442 AMAQI
4th Aug 2025443 AMAQI
4th Aug 2025444 AMAQI

22°C13/29°C

4th Aug 2025445 AMAQI
4th Aug 2025446 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025448 AMAQI
4th Aug 2025479 AMAQI
4th Aug 20254810 AMAQI
4th Aug 20255011 AMAQI
4th Aug 20255412 PMAQI
4th Aug 2025571 PMAQI
4th Aug 2025592 PMAQI
4th Aug 2025603 PMAQI
4th Aug 2025604 PMAQI
4th Aug 2025625 PMAQI
4th Aug 2025626 PMAQI
4th Aug 2025467 PMAQI
4th Aug 2025528 PMAQI
4th Aug 2025579 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025602 AMAQI
5th Aug 2025593 AMAQI
5th Aug 2025594 AMAQI

22°C16/29°C

5th Aug 2025615 AMAQI
5th Aug 2025606 AMAQI
5th Aug 2025627 AMAQI
5th Aug 2025648 AMAQI
5th Aug 2025639 AMAQI
5th Aug 20256210 AMAQI
5th Aug 20256511 AMAQI
5th Aug 20256612 PMAQI
5th Aug 2025681 PMAQI
5th Aug 2025682 PMAQI
5th Aug 2025663 PMAQI
5th Aug 2025664 PMAQI
5th Aug 2025645 PMAQI
5th Aug 2025636 PMAQI
5th Aug 2025607 PMAQI
5th Aug 2025628 PMAQI
5th Aug 2025619 PMAQI
5th Aug 20256110 PMAQI
5th Aug 20256111 PMAQI
6th Aug 20256012 AMAQI
6th Aug 2025591 AMAQI
6th Aug 2025582 AMAQI
6th Aug 2025583 AMAQI
6th Aug 2025584 AMAQI

24°C19/31°C

6th Aug 2025585 AMAQI
6th Aug 2025576 AMAQI
6th Aug 2025597 AMAQI
6th Aug 2025608 AMAQI
6th Aug 2025609 AMAQI
6th Aug 20256110 AMAQI
6th Aug 20256411 AMAQI
6th Aug 20256612 PMAQI
6th Aug 2025671 PMAQI
6th Aug 2025662 PMAQI
6th Aug 2025663 PMAQI
6th Aug 2025644 PMAQI
6th Aug 2025645 PMAQI
6th Aug 2025616 PMAQI
6th Aug 2025617 PMAQI
6th Aug 2025568 PMAQI
6th Aug 2025509 PMAQI
6th Aug 20254910 PMAQI
6th Aug 20254611 PMAQI
7th Aug 20254812 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025432 AMAQI
7th Aug 2025403 AMAQI
7th Aug 2025374 AMAQI

26°C17/33°C

7th Aug 2025375 AMAQI
7th Aug 2025386 AMAQI
7th Aug 2025397 AMAQI
7th Aug 2025418 AMAQI
7th Aug 2025439 AMAQI
7th Aug 20255310 AMAQI
7th Aug 20255611 AMAQI
7th Aug 20255612 PMAQI
7th Aug 2025591 PMAQI
7th Aug 2025602 PMAQI
7th Aug 2025573 PMAQI
7th Aug 2025574 PMAQI
7th Aug 2025555 PMAQI
7th Aug 2025546 PMAQI
7th Aug 2025507 PMAQI
7th Aug 2025498 PMAQI
7th Aug 2025489 PMAQI
7th Aug 20254610 PMAQI
7th Aug 20254611 PMAQI
8th Aug 20254412 AMAQI
8th Aug 2025431 AMAQI
8th Aug 2025392 AMAQI
8th Aug 2025373 AMAQI
8th Aug 2025354 AMAQI

27°C21/35°C

8th Aug 2025365 AMAQI
8th Aug 2025356 AMAQI
8th Aug 2025367 AMAQI
8th Aug 2025378 AMAQI
8th Aug 2025369 AMAQI
8th Aug 20254010 AMAQI
8th Aug 20254011 AMAQI
8th Aug 20253812 PMAQI
8th Aug 2025361 PMAQI
8th Aug 2025382 PMAQI
8th Aug 2025403 PMAQI
8th Aug 2025404 PMAQI
8th Aug 2025405 PMAQI
8th Aug 2025406 PMAQI
8th Aug 2025397 PMAQI
8th Aug 2025398 PMAQI
8th Aug 2025389 PMAQI
8th Aug 20253610 PMAQI
8th Aug 20253711 PMAQI
9th Aug 20253812 AMAQI
9th Aug 2025381 AMAQI
9th Aug 2025362 AMAQI
9th Aug 2025363 AMAQI
9th Aug 2025354 AMAQI

29°C23/35°C

9th Aug 2025335 AMAQI
5 AM
9th Aug 2025346 AMAQI
9th Aug 2025367 AMAQI
9th Aug 2025358 AMAQI
9th Aug 2025349 AMAQI
9th Aug 20253410 AMAQI
9th Aug 20253511 AMAQI
9th Aug 20253512 PMAQI
12 PM
9th Aug 2025361 PMAQI
9th Aug 2025382 PMAQI
9th Aug 2025383 PMAQI
9th Aug 2025374 PMAQI
9th Aug 2025375 PMAQI
8 PM
12 AM
4 AM

--°C/°C

Waktu Siang
Rata-rata Waktu Tertinggi
5 AM - 8 PM

42AQI

16 jam / Hari
480 jam / Bulan
Rata-rata Waktu Terendah
5 AM - 6 AM

38AQI

2 jam / Hari
60 jam / Bulan
Dalam 30 hari terakhir, pada siang hari, AQI tertinggi tercatat antara 5 AM hingga 8 PM (Rata-rata 42), sedangkan AQI terendah tercatat antara 5 AM hingga 6 AM (Rata-rata 38).
Waktu Malam
Rata-rata Waktu Tertinggi
12 AM - 11 PM

40AQI

8 jam / Hari
240 jam / Bulan
Rata-rata Waktu Terendah
12 AM - 4 AM

40AQI

5 jam / Hari
150 jam / Bulan
Dalam 30 hari terakhir, pada siang hari, AQI tertinggi tercatat antara 12 AM hingga 11 PM (Rata-rata 40), sedangkan AQI terendah tercatat antara 12 AM hingga 4 AM (Rata-rata 40).

2025 Hari Vs Kualitas Udara

Chester, Illinois, United States

2025

85%

186

15%

33

0.4%

1

Jumlah total hari dengan kategori AQI berbeda dalam 221 hari terakhir di 2025 (144 hari tersisa)

Baik
186 Hari
Sedang
33 Hari
Buruk
1 Hari
Tidak Sehat
0 Hari
Parah
0 Hari
Berbahaya
0 Hari

Di bawah Batas Aman WHO Kualitas Udara: 85%

Tingkat Risiko Kesehatan:

Rendah

Pada 2025, 85% dari 221 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

Chester, Illinois, United States

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.

1st Januari 2025
22AQI
2nd Januari 2025
25AQI
3rd Januari 2025
24AQI
4th Januari 2025
20AQI
5th Januari 2025
20AQI
6th Januari 2025
20AQI
7th Januari 2025
24AQI
8th Januari 2025
42AQI
9th Januari 2025
54AQI
10th Januari 2025
54AQI
11th Januari 2025
35AQI
12th Januari 2025
31AQI
13th Januari 2025
23AQI
14th Januari 2025
26AQI
15th Januari 2025
33AQI
16th Januari 2025
30AQI
17th Januari 2025
27AQI
18th Januari 2025
20AQI
19th Januari 2025
19AQI
20th Januari 2025
20AQI
21st Januari 2025
22AQI
22nd Januari 2025
25AQI
23rd Januari 2025
26AQI
24th Januari 2025
30AQI
25th Januari 2025
28AQI
26th Januari 2025
27AQI
27th Januari 2025
22AQI
28th Januari 2025
23AQI
29th Januari 2025
24AQI
30th Januari 2025
30AQI
31st Januari 2025
21AQI
1st Februari 2025
31AQI
2nd Februari 2025
26AQI
3rd Februari 2025
33AQI
4th Februari 2025
29AQI
5th Februari 2025
29AQI
6th Februari 2025
26AQI
7th Februari 2025
25AQI
8th Februari 2025
32AQI
9th Februari 2025
35AQI
10th Februari 2025
33AQI
11th Februari 2025
30AQI
12th Februari 2025
42AQI
13th Februari 2025
30AQI
14th Februari 2025
26AQI
15th Februari 2025
23AQI
16th Februari 2025
40AQI
17th Februari 2025
20AQI
18th Februari 2025
22AQI
19th Februari 2025
21AQI
20th Februari 2025
22AQI
21st Februari 2025
30AQI
22nd Februari 2025
37AQI
23rd Februari 2025
32AQI
24th Februari 2025
28AQI
25th Februari 2025
28AQI
26th Februari 2025
26AQI
27th Februari 2025
30AQI
28th Februari 2025
28AQI
1st Maret 2025
27AQI
2nd Maret 2025
27AQI
3rd Maret 2025
32AQI
4th Maret 2025
42AQI
5th Maret 2025
26AQI
6th Maret 2025
27AQI
7th Maret 2025
28AQI
8th Maret 2025
33AQI
9th Maret 2025
40AQI
10th Maret 2025
46AQI
11th Maret 2025
56AQI
12th Maret 2025
55AQI
13th Maret 2025
67AQI
14th Maret 2025
50AQI
15th Maret 2025
117AQI
16th Maret 2025
29AQI
17th Maret 2025
32AQI
18th Maret 2025
25AQI
19th Maret 2025
31AQI
20th Maret 2025
19AQI
21st Maret 2025
27AQI
22nd Maret 2025
21AQI
23rd Maret 2025
26AQI
24th Maret 2025
19AQI
25th Maret 2025
20AQI
26th Maret 2025
33AQI
27th Maret 2025
46AQI
28th Maret 2025
45AQI
29th Maret 2025
47AQI
30th Maret 2025
32AQI
31st Maret 2025
20AQI
1st April 2025
28AQI
2nd April 2025
31AQI
3rd April 2025
25AQI
4th April 2025
22AQI
5th April 2025
18AQI
6th April 2025
23AQI
7th April 2025
26AQI
8th April 2025
18AQI
9th April 2025
22AQI
10th April 2025
40AQI
11th April 2025
39AQI
12th April 2025
44AQI
13th April 2025
43AQI
14th April 2025
41AQI
15th April 2025
23AQI
16th April 2025
28AQI
17th April 2025
45AQI
18th April 2025
60AQI
19th April 2025
40AQI
20th April 2025
49AQI
21st April 2025
21AQI
22nd April 2025
26AQI
23rd April 2025
32AQI
24th April 2025
41AQI
25th April 2025
40AQI
26th April 2025
34AQI
27th April 2025
24AQI
28th April 2025
37AQI
29th April 2025
41AQI
30th April 2025
38AQI
1st Mei 2025
27AQI
2nd Mei 2025
27AQI
3rd Mei 2025
30AQI
4th Mei 2025
22AQI
5th Mei 2025
19AQI
6th Mei 2025
26AQI
7th Mei 2025
23AQI
8th Mei 2025
27AQI
9th Mei 2025
25AQI
10th Mei 2025
26AQI
11th Mei 2025
32AQI
12th Mei 2025
25AQI
13th Mei 2025
22AQI
14th Mei 2025
41AQI
15th Mei 2025
54AQI
16th Mei 2025
54AQI
17th Mei 2025
27AQI
18th Mei 2025
22AQI
19th Mei 2025
29AQI
20th Mei 2025
29AQI
21st Mei 2025
16AQI
22nd Mei 2025
14AQI
23rd Mei 2025
17AQI
24th Mei 2025
29AQI
25th Mei 2025
34AQI
26th Mei 2025
22AQI
27th Mei 2025
21AQI
28th Mei 2025
28AQI
29th Mei 2025
37AQI
30th Mei 2025
29AQI
31st Mei 2025
41AQI
1st Juni 2025
39AQI
2nd Juni 2025
44AQI
3rd Juni 2025
57AQI
4th Juni 2025
61AQI
5th Juni 2025
52AQI
6th Juni 2025
47AQI
7th Juni 2025
53AQI
8th Juni 2025
53AQI
9th Juni 2025
57AQI
10th Juni 2025
61AQI
11th Juni 2025
68AQI
12th Juni 2025
79AQI
13th Juni 2025
44AQI
14th Juni 2025
38AQI
15th Juni 2025
41AQI
16th Juni 2025
28AQI
17th Juni 2025
36AQI
18th Juni 2025
34AQI
19th Juni 2025
26AQI
20th Juni 2025
38AQI
21st Juni 2025
50AQI
22nd Juni 2025
53AQI
23rd Juni 2025
57AQI
24th Juni 2025
55AQI
25th Juni 2025
54AQI
26th Juni 2025
52AQI
27th Juni 2025
42AQI
28th Juni 2025
28AQI
29th Juni 2025
27AQI
30th Juni 2025
29AQI
1st Juli 2025
30AQI
2nd Juli 2025
38AQI
3rd Juli 2025
53AQI
4th Juli 2025
60AQI
5th Juli 2025
70AQI
6th Juli 2025
59AQI
7th Juli 2025
40AQI
8th Juli 2025
39AQI
9th Juli 2025
34AQI
10th Juli 2025
42AQI
11th Juli 2025
43AQI
12th Juli 2025
40AQI
13th Juli 2025
33AQI
14th Juli 2025
33AQI
15th Juli 2025
34AQI
16th Juli 2025
34AQI
17th Juli 2025
37AQI
18th Juli 2025
31AQI
19th Juli 2025
43AQI
20th Juli 2025
52AQI
21st Juli 2025
34AQI
22nd Juli 2025
41AQI
23rd Juli 2025
50AQI
24th Juli 2025
54AQI
25th Juli 2025
54AQI
26th Juli 2025
44AQI
27th Juli 2025
30AQI
28th Juli 2025
36AQI
29th Juli 2025
45AQI
30th Juli 2025
46AQI
31st Juli 2025
38AQI
1st Agustus 2025
89AQI
2nd Agustus 2025
78AQI
3rd Agustus 2025
51AQI
4th Agustus 2025
38AQI
5th Agustus 2025
40AQI
6th Agustus 2025
45AQI
7th Agustus 2025
50AQI
8th Agustus 2025
52AQI

27AQI

29AQI

37AQI

33AQI

28AQI

47AQI

42AQI

55AQI

Jumlah hari

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

202536AQI

29
2
28
27
3
1
29
1
29
2
16
14
24
7
4
4
186
33
1

Tertinggi AQI tercatat di

Agustus

55AQI

Terendah AQI tercatat di

Januari

27AQI

202431AQI

30
1
26
3
31
30
31
28
1
29
2
29
2
30
27
4
30
31
352
13

Tertinggi AQI tercatat di

Oktober

37AQI

Terendah AQI tercatat di

Januari

24AQI

202338AQI

27
4
28
30
1
27
3
25
6
8
22
28
3
23
8
26
4
27
4
29
31
309
55

Tertinggi AQI tercatat di

Juni

59AQI

Terendah AQI tercatat di

Desember

25AQI

202236AQI

27
4
21
30
1
17
27
4
25
5
19
4
2
28
1
27
4
26
4
23
8
272
35

Tertinggi AQI tercatat di

Juni

44AQI

Terendah AQI tercatat di

September

32AQI

202138AQI

28
2
17
5
24
4
27
3
29
2
23
5
16
15
24
7
21
4
29
2
17
3
27
4
282
56

Tertinggi AQI tercatat di

Juli

50AQI

Terendah AQI tercatat di

Oktober

30AQI

202040AQI

10
3
17
3
18
24
4
2
27
4
30
1
27
2
27
2
1
25
3
21
8
226
30
3

Tertinggi AQI tercatat di

Juni

48AQI

Terendah AQI tercatat di

Mei

32AQI

Tahun Paling & Paling Sedikit Tercemar Selama 6 Tahun Terakhir

Tahun Paling Tercemar Tercatat
2020(Rata-rata)
40AQI
Tahun Paling Sedikit Tercemar Tercatat
2024(Rata-rata)
31AQI

Chester's tahunan 2025 AQI (36) menunjukkan perubahan persentase rata-rata sebesar -1.5% (meningkat AQI) dibandingkan dengan tahun-tahun sebelumnya: 2020 (40), 2021 (38), 2022 (36), 2023 (38), 2024 (31).