Country Background

Decatur, Illinois, United States 历史空气质量分析

深入了解详细的空气质量数据,包括历史数据、月度模式和年度趋势,尽在掌握!

良好
050
适中
100
150
不健康
200
严重
300
危险
301+

十月空气质量分析

Decatur, Illinois, United States

2021
2022
2023
2024
2025
AQI
.
天数

AQI趋势:最高与最低

最高AQI记录于
29th Oct 2024
76AQI
最低AQI记录于
14th Oct 2023
14AQI


同日分析(20th October ):
在过去5年的这一天,AQI差异显著:2025年排名最低,AQI为22,属于良好空气质量,比2024、2023、2022和2021年有所改善。

下载2024年度数据

全球空气质量报告

Globe

日夜AQI趋势:19th Oct - 20th Oct 2025

Decatur, Illinois, United States

AQI
夜晚
.

6 AM19th Oct 2025

6 PM

5 AM20th Oct 2025

白天时间
平均最高时间
1PM19th Oct

39AQI

平均最低时间
4PM19th Oct

20AQI

夜晚时间
平均最高时间
6AM19th Oct

31AQI

平均最低时间
12AM20th Oct

20AQI

在过去的24小时内,

Decatur的AQI最高点为39,出现在的1 PM;最低点为20,出现在夜晚的12 AM。

日夜AQI趋势:Sep - Oct 2025

Decatur, Illinois, United States

SepOct
20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th
夜晚
20th Sep 2025566 AMAQI
20th Sep 2025577 AMAQI
20th Sep 2025568 AMAQI
20th Sep 2025559 AMAQI
20th Sep 20255510 AMAQI
20th Sep 20255711 AMAQI
20th Sep 20255812 PMAQI
20th Sep 2025581 PMAQI
20th Sep 2025562 PMAQI
20th Sep 2025573 PMAQI
20th Sep 2025584 PMAQI
20th Sep 2025575 PMAQI
20th Sep 2025586 PMAQI
20th Sep 2025587 PMAQI
20th Sep 2025588 PMAQI
20th Sep 2025569 PMAQI
20th Sep 20255610 PMAQI
20th Sep 20255611 PMAQI
21st Sep 20255712 AMAQI
21st Sep 2025561 AMAQI
21st Sep 2025502 AMAQI
21st Sep 2025503 AMAQI
21st Sep 2025494 AMAQI
21st Sep 2025495 AMAQI

--°C/°C

21st Sep 2025516 AMAQI
21st Sep 2025527 AMAQI
21st Sep 2025538 AMAQI
21st Sep 2025549 AMAQI
21st Sep 20255510 AMAQI
21st Sep 20255611 AMAQI
21st Sep 20255512 PMAQI
21st Sep 2025541 PMAQI
21st Sep 2025532 PMAQI
21st Sep 2025543 PMAQI
21st Sep 2025544 PMAQI
21st Sep 2025535 PMAQI
21st Sep 2025526 PMAQI
21st Sep 2025537 PMAQI
21st Sep 2025538 PMAQI
21st Sep 2025519 PMAQI
21st Sep 20255110 PMAQI
21st Sep 20255211 PMAQI
22nd Sep 20255112 AMAQI
22nd Sep 2025491 AMAQI
22nd Sep 2025422 AMAQI
22nd Sep 2025433 AMAQI
22nd Sep 2025444 AMAQI
22nd Sep 2025465 AMAQI

23°C17/30°C

22nd Sep 2025456 AMAQI
22nd Sep 2025467 AMAQI
22nd Sep 2025478 AMAQI
22nd Sep 2025489 AMAQI
22nd Sep 20254810 AMAQI
22nd Sep 20254811 AMAQI
22nd Sep 20254612 PMAQI
22nd Sep 2025471 PMAQI
22nd Sep 2025482 PMAQI
22nd Sep 2025493 PMAQI
22nd Sep 2025484 PMAQI
22nd Sep 2025485 PMAQI
22nd Sep 2025476 PMAQI
22nd Sep 2025467 PMAQI
22nd Sep 2025468 PMAQI
22nd Sep 2025469 PMAQI
22nd Sep 20254610 PMAQI
22nd Sep 20254611 PMAQI
23rd Sep 20254612 AMAQI
23rd Sep 2025451 AMAQI
23rd Sep 2025442 AMAQI
23rd Sep 2025453 AMAQI
23rd Sep 2025444 AMAQI
23rd Sep 2025455 AMAQI

21°C19/25°C

23rd Sep 2025466 AMAQI
23rd Sep 2025467 AMAQI
23rd Sep 2025478 AMAQI
23rd Sep 2025489 AMAQI
23rd Sep 20254910 AMAQI
23rd Sep 20255011 AMAQI
23rd Sep 20254912 PMAQI
23rd Sep 2025481 PMAQI
23rd Sep 2025492 PMAQI
23rd Sep 2025483 PMAQI
23rd Sep 2025494 PMAQI
23rd Sep 2025485 PMAQI
23rd Sep 2025496 PMAQI
23rd Sep 2025477 PMAQI
23rd Sep 2025468 PMAQI
23rd Sep 2025459 PMAQI
23rd Sep 20254510 PMAQI
23rd Sep 20254411 PMAQI
24th Sep 20254512 AMAQI
24th Sep 2025451 AMAQI
24th Sep 2025422 AMAQI
24th Sep 2025423 AMAQI
24th Sep 2025454 AMAQI
24th Sep 2025455 AMAQI

22°C17/30°C

24th Sep 2025476 AMAQI
24th Sep 2025467 AMAQI
24th Sep 2025438 AMAQI
24th Sep 2025449 AMAQI
24th Sep 20254310 AMAQI
24th Sep 20254311 AMAQI
24th Sep 20254412 PMAQI
24th Sep 2025441 PMAQI
24th Sep 2025462 PMAQI
24th Sep 2025463 PMAQI
24th Sep 2025474 PMAQI
24th Sep 2025465 PMAQI
24th Sep 2025446 PMAQI
24th Sep 2025457 PMAQI
24th Sep 2025458 PMAQI
24th Sep 2025439 PMAQI
24th Sep 20254410 PMAQI
24th Sep 20254011 PMAQI
25th Sep 20252912 AMAQI
25th Sep 2025201 AMAQI
25th Sep 2025182 AMAQI
25th Sep 2025213 AMAQI
25th Sep 2025254 AMAQI
25th Sep 2025235 AMAQI

21°C18/25°C

25th Sep 2025216 AMAQI
25th Sep 2025227 AMAQI
25th Sep 2025228 AMAQI
25th Sep 2025219 AMAQI
25th Sep 20252210 AMAQI
25th Sep 20252211 AMAQI
25th Sep 20252412 PMAQI
25th Sep 2025281 PMAQI
25th Sep 2025282 PMAQI
25th Sep 2025283 PMAQI
25th Sep 2025284 PMAQI
25th Sep 2025295 PMAQI
25th Sep 2025326 PMAQI
25th Sep 2025307 PMAQI
25th Sep 2025248 PMAQI
25th Sep 2025229 PMAQI
25th Sep 20252910 PMAQI
25th Sep 20252911 PMAQI
26th Sep 20252512 AMAQI
26th Sep 2025201 AMAQI
26th Sep 2025182 AMAQI
26th Sep 2025213 AMAQI
26th Sep 2025194 AMAQI
26th Sep 2025215 AMAQI

19°C14/26°C

26th Sep 2025226 AMAQI
26th Sep 2025257 AMAQI
26th Sep 2025338 AMAQI
26th Sep 2025329 AMAQI
26th Sep 20253010 AMAQI
26th Sep 20252911 AMAQI
26th Sep 20253112 PMAQI
26th Sep 2025331 PMAQI
26th Sep 2025342 PMAQI
26th Sep 2025383 PMAQI
26th Sep 2025384 PMAQI
26th Sep 2025385 PMAQI
26th Sep 2025366 PMAQI
26th Sep 2025327 PMAQI
26th Sep 2025338 PMAQI
26th Sep 2025359 PMAQI
26th Sep 20254410 PMAQI
26th Sep 20254511 PMAQI
27th Sep 20254312 AMAQI
27th Sep 2025431 AMAQI
27th Sep 2025402 AMAQI
27th Sep 2025413 AMAQI
27th Sep 2025414 AMAQI
27th Sep 2025395 AMAQI

20°C11/30°C

27th Sep 2025396 AMAQI
27th Sep 2025427 AMAQI
27th Sep 2025368 AMAQI
27th Sep 2025379 AMAQI
27th Sep 20254310 AMAQI
27th Sep 20254111 AMAQI
27th Sep 20253412 PMAQI
27th Sep 2025351 PMAQI
27th Sep 2025322 PMAQI
27th Sep 2025293 PMAQI
27th Sep 2025274 PMAQI
27th Sep 2025285 PMAQI
27th Sep 2025286 PMAQI
27th Sep 2025277 PMAQI
27th Sep 2025298 PMAQI
27th Sep 2025319 PMAQI
27th Sep 20253610 PMAQI
27th Sep 20254111 PMAQI
28th Sep 20254012 AMAQI
28th Sep 2025351 AMAQI
28th Sep 2025362 AMAQI
28th Sep 2025353 AMAQI
28th Sep 2025364 AMAQI
28th Sep 2025335 AMAQI

22°C12/32°C

28th Sep 2025346 AMAQI
28th Sep 2025347 AMAQI
28th Sep 2025338 AMAQI
28th Sep 2025309 AMAQI
28th Sep 20252810 AMAQI
28th Sep 20252611 AMAQI
28th Sep 20252912 PMAQI
28th Sep 2025251 PMAQI
28th Sep 2025262 PMAQI
28th Sep 2025293 PMAQI
28th Sep 2025264 PMAQI
28th Sep 2025245 PMAQI
28th Sep 2025246 PMAQI
28th Sep 2025287 PMAQI
28th Sep 2025288 PMAQI
28th Sep 2025279 PMAQI
28th Sep 20253210 PMAQI
28th Sep 20253411 PMAQI
29th Sep 20253712 AMAQI
29th Sep 2025411 AMAQI
29th Sep 2025362 AMAQI
29th Sep 2025333 AMAQI
29th Sep 2025304 AMAQI
29th Sep 2025325 AMAQI

23°C14/34°C

29th Sep 2025346 AMAQI
29th Sep 2025317 AMAQI
29th Sep 2025378 AMAQI
29th Sep 2025389 AMAQI
29th Sep 20253710 AMAQI
29th Sep 20253611 AMAQI
29th Sep 20252912 PMAQI
29th Sep 2025291 PMAQI
29th Sep 2025302 PMAQI
29th Sep 2025263 PMAQI
29th Sep 2025274 PMAQI
29th Sep 2025245 PMAQI
29th Sep 2025266 PMAQI
29th Sep 2025287 PMAQI
29th Sep 2025308 PMAQI
29th Sep 2025369 PMAQI
29th Sep 20253510 PMAQI
29th Sep 20252511 PMAQI
30th Sep 20252712 AMAQI
30th Sep 2025281 AMAQI
30th Sep 2025232 AMAQI
30th Sep 2025243 AMAQI
30th Sep 2025274 AMAQI
30th Sep 2025355 AMAQI

24°C14/34°C

30th Sep 2025306 AMAQI
30th Sep 2025317 AMAQI
30th Sep 2025278 AMAQI
30th Sep 2025359 AMAQI
30th Sep 20253710 AMAQI
30th Sep 20252911 AMAQI
30th Sep 20252612 PMAQI
30th Sep 2025241 PMAQI
30th Sep 2025342 PMAQI
30th Sep 2025313 PMAQI
30th Sep 2025244 PMAQI
30th Sep 2025245 PMAQI
30th Sep 2025236 PMAQI
30th Sep 2025267 PMAQI
30th Sep 2025248 PMAQI
30th Sep 2025279 PMAQI
30th Sep 20253510 PMAQI
30th Sep 20253511 PMAQI
1st Oct 20253412 AMAQI
1st Oct 2025331 AMAQI
1st Oct 2025352 AMAQI
1st Oct 2025353 AMAQI
1st Oct 2025384 AMAQI
1st Oct 2025335 AMAQI

24°C16/33°C

1st Oct 2025346 AMAQI
1st Oct 2025627 AMAQI
1st Oct 2025928 AMAQI
1st Oct 2025759 AMAQI
1st Oct 20254810 AMAQI
1st Oct 20254711 AMAQI
1st Oct 20254912 PMAQI
1st Oct 2025431 PMAQI
1st Oct 2025422 PMAQI
1st Oct 2025443 PMAQI
1st Oct 2025414 PMAQI
1st Oct 2025395 PMAQI
1st Oct 2025466 PMAQI
1st Oct 2025477 PMAQI
1st Oct 2025438 PMAQI
1st Oct 2025469 PMAQI
1st Oct 20254910 PMAQI
1st Oct 20254711 PMAQI
2nd Oct 20255012 AMAQI
2nd Oct 2025491 AMAQI
2nd Oct 2025412 AMAQI
2nd Oct 2025493 AMAQI
2nd Oct 2025474 AMAQI
2nd Oct 2025475 AMAQI

22°C13/32°C

2nd Oct 2025466 AMAQI
2nd Oct 2025417 AMAQI
2nd Oct 2025448 AMAQI
2nd Oct 2025409 AMAQI
2nd Oct 20254110 AMAQI
2nd Oct 20254011 AMAQI
2nd Oct 20255012 PMAQI
2nd Oct 2025521 PMAQI
2nd Oct 2025512 PMAQI
2nd Oct 2025503 PMAQI
2nd Oct 2025514 PMAQI
2nd Oct 2025515 PMAQI
2nd Oct 2025506 PMAQI
2nd Oct 2025467 PMAQI
2nd Oct 2025448 PMAQI
2nd Oct 2025459 PMAQI
2nd Oct 20254610 PMAQI
2nd Oct 20254911 PMAQI
3rd Oct 20254412 AMAQI
3rd Oct 2025431 AMAQI
3rd Oct 2025462 AMAQI
3rd Oct 2025463 AMAQI
3rd Oct 2025434 AMAQI
3rd Oct 2025455 AMAQI

23°C13/33°C

3rd Oct 2025396 AMAQI
3rd Oct 2025427 AMAQI
3rd Oct 2025458 AMAQI
3rd Oct 2025459 AMAQI
3rd Oct 20256210 AMAQI
3rd Oct 20255211 AMAQI
3rd Oct 20254612 PMAQI
3rd Oct 2025491 PMAQI
3rd Oct 2025522 PMAQI
3rd Oct 2025493 PMAQI
3rd Oct 2025524 PMAQI
3rd Oct 2025555 PMAQI
3rd Oct 2025546 PMAQI
3rd Oct 2025497 PMAQI
3rd Oct 2025498 PMAQI
3rd Oct 2025539 PMAQI
3rd Oct 20255310 PMAQI
3rd Oct 20255311 PMAQI
4th Oct 20255212 AMAQI
4th Oct 2025511 AMAQI
4th Oct 2025472 AMAQI
4th Oct 2025483 AMAQI
4th Oct 2025484 AMAQI
4th Oct 2025485 AMAQI

24°C16/32°C

4th Oct 2025496 AMAQI
4th Oct 2025527 AMAQI
4th Oct 2025548 AMAQI
4th Oct 2025539 AMAQI
4th Oct 20255110 AMAQI
4th Oct 20255211 AMAQI
4th Oct 20255312 PMAQI
4th Oct 2025571 PMAQI
4th Oct 2025542 PMAQI
4th Oct 2025533 PMAQI
4th Oct 2025524 PMAQI
4th Oct 2025485 PMAQI
4th Oct 2025406 PMAQI
4th Oct 2025357 PMAQI
4th Oct 2025388 PMAQI
4th Oct 2025459 PMAQI
4th Oct 20253610 PMAQI
4th Oct 20254011 PMAQI
5th Oct 20254412 AMAQI
5th Oct 2025501 AMAQI
5th Oct 2025492 AMAQI
5th Oct 2025513 AMAQI
5th Oct 2025494 AMAQI
5th Oct 2025505 AMAQI

24°C16/32°C

5th Oct 2025376 AMAQI
5th Oct 2025437 AMAQI
5th Oct 2025458 AMAQI
5th Oct 2025369 AMAQI
5th Oct 20254210 AMAQI
5th Oct 20254411 AMAQI
5th Oct 20254412 PMAQI
5th Oct 2025411 PMAQI
5th Oct 2025272 PMAQI
5th Oct 2025253 PMAQI
5th Oct 2025244 PMAQI
5th Oct 2025315 PMAQI
5th Oct 2025276 PMAQI
5th Oct 2025257 PMAQI
5th Oct 2025248 PMAQI
5th Oct 2025329 PMAQI
5th Oct 20252910 PMAQI
5th Oct 20253111 PMAQI
6th Oct 20252912 AMAQI
6th Oct 2025291 AMAQI
6th Oct 2025282 AMAQI
6th Oct 2025223 AMAQI
6th Oct 2025264 AMAQI
6th Oct 2025375 AMAQI

22°C14/31°C

6th Oct 2025386 AMAQI
6th Oct 2025437 AMAQI
6th Oct 2025458 AMAQI
6th Oct 2025319 AMAQI
6th Oct 20253110 AMAQI
6th Oct 20253111 AMAQI
6th Oct 20252412 PMAQI
6th Oct 2025141 PMAQI

23°C17/32°C

7th Oct 2025156 AMAQI
7th Oct 2025127 AMAQI
7th Oct 2025308 AMAQI
7th Oct 2025429 AMAQI
7th Oct 20254210 AMAQI
7th Oct 20252911 AMAQI
7th Oct 20252612 PMAQI
7th Oct 2025321 PMAQI
7th Oct 2025372 PMAQI
7th Oct 2025383 PMAQI
7th Oct 2025364 PMAQI
7th Oct 2025385 PMAQI
7th Oct 2025406 PMAQI
7th Oct 2025407 PMAQI
7th Oct 2025328 PMAQI
7th Oct 2025309 PMAQI
7th Oct 20253510 PMAQI
7th Oct 20252711 PMAQI
8th Oct 20251912 AMAQI
8th Oct 2025221 AMAQI
8th Oct 2025232 AMAQI
8th Oct 2025253 AMAQI
8th Oct 2025264 AMAQI
8th Oct 2025245 AMAQI

19°C14/22°C

8th Oct 2025256 AMAQI
8th Oct 2025337 AMAQI
8th Oct 2025398 AMAQI
8th Oct 2025429 AMAQI
8th Oct 20254710 AMAQI
8th Oct 20254611 AMAQI
8th Oct 20253912 PMAQI
8th Oct 2025331 PMAQI
8th Oct 2025382 PMAQI
8th Oct 2025413 PMAQI
8th Oct 2025354 PMAQI
8th Oct 2025355 PMAQI
8th Oct 2025346 PMAQI
8th Oct 2025367 PMAQI
8th Oct 2025358 PMAQI
8th Oct 2025279 PMAQI
8th Oct 20252610 PMAQI
8th Oct 20253111 PMAQI
9th Oct 20252412 AMAQI
9th Oct 2025201 AMAQI
9th Oct 2025192 AMAQI
9th Oct 2025183 AMAQI
9th Oct 2025214 AMAQI
9th Oct 2025205 AMAQI

15°C8/24°C

9th Oct 2025226 AMAQI
9th Oct 2025217 AMAQI
9th Oct 2025308 AMAQI
9th Oct 2025239 AMAQI
9th Oct 20252110 AMAQI
9th Oct 20251911 AMAQI
9th Oct 20252912 PMAQI
9th Oct 2025311 PMAQI
9th Oct 2025432 PMAQI
9th Oct 2025333 PMAQI
9th Oct 2025404 PMAQI
9th Oct 2025405 PMAQI
9th Oct 2025306 PMAQI
9th Oct 2025277 PMAQI
9th Oct 2025348 PMAQI
9th Oct 2025269 PMAQI
9th Oct 20252910 PMAQI
9th Oct 20253511 PMAQI
10th Oct 20253312 AMAQI
10th Oct 2025361 AMAQI
10th Oct 2025232 AMAQI
10th Oct 2025363 AMAQI
10th Oct 2025384 AMAQI
10th Oct 2025345 AMAQI

14°C5/24°C

10th Oct 2025386 AMAQI
10th Oct 2025387 AMAQI
10th Oct 2025328 AMAQI
10th Oct 2025309 AMAQI
10th Oct 20254610 AMAQI
10th Oct 20254111 AMAQI
10th Oct 20253612 PMAQI
10th Oct 2025321 PMAQI
10th Oct 2025322 PMAQI
10th Oct 2025363 PMAQI
10th Oct 2025424 PMAQI
10th Oct 2025455 PMAQI
10th Oct 2025386 PMAQI
10th Oct 2025267 PMAQI
10th Oct 2025428 PMAQI
10th Oct 2025409 PMAQI
10th Oct 20253510 PMAQI
10th Oct 20254211 PMAQI
11th Oct 20254212 AMAQI
11th Oct 2025401 AMAQI
11th Oct 2025412 AMAQI
11th Oct 2025413 AMAQI
11th Oct 2025434 AMAQI
11th Oct 2025405 AMAQI

15°C5/26°C

11th Oct 2025426 AMAQI
11th Oct 2025397 AMAQI
11th Oct 2025438 AMAQI
11th Oct 2025409 AMAQI
11th Oct 20254310 AMAQI
11th Oct 20254511 AMAQI
11th Oct 20254912 PMAQI
11th Oct 2025501 PMAQI
11th Oct 2025542 PMAQI
11th Oct 2025513 PMAQI
11th Oct 2025514 PMAQI
11th Oct 2025405 PMAQI
11th Oct 2025446 PMAQI
11th Oct 2025467 PMAQI
11th Oct 2025368 PMAQI
11th Oct 2025469 PMAQI
11th Oct 20254710 PMAQI
11th Oct 20254111 PMAQI
12th Oct 20254212 AMAQI
12th Oct 2025461 AMAQI
12th Oct 2025462 AMAQI
12th Oct 2025413 AMAQI
12th Oct 2025404 AMAQI
12th Oct 2025405 AMAQI

19°C12/26°C

12th Oct 2025346 AMAQI
12th Oct 2025397 AMAQI
12th Oct 2025408 AMAQI
12th Oct 2025349 AMAQI
12th Oct 20253810 AMAQI
12th Oct 20253811 AMAQI
12th Oct 20253712 PMAQI
12th Oct 2025451 PMAQI
12th Oct 2025482 PMAQI
12th Oct 2025373 PMAQI
12th Oct 2025474 PMAQI
12th Oct 2025365 PMAQI
12th Oct 2025366 PMAQI
12th Oct 2025427 PMAQI
12th Oct 2025468 PMAQI
12th Oct 2025489 PMAQI
12th Oct 20255010 PMAQI
12th Oct 20254211 PMAQI
13th Oct 20254412 AMAQI
13th Oct 2025481 AMAQI
13th Oct 2025502 AMAQI
13th Oct 2025503 AMAQI
13th Oct 2025504 AMAQI
13th Oct 2025475 AMAQI

17°C7/28°C

13th Oct 2025446 AMAQI
13th Oct 2025447 AMAQI
13th Oct 2025458 AMAQI
13th Oct 2025509 AMAQI
13th Oct 20256610 AMAQI
13th Oct 20257311 AMAQI
13th Oct 20255612 PMAQI
13th Oct 2025531 PMAQI
13th Oct 2025512 PMAQI
13th Oct 2025523 PMAQI
13th Oct 2025474 PMAQI
13th Oct 2025455 PMAQI
13th Oct 2025466 PMAQI
13th Oct 2025477 PMAQI
13th Oct 2025488 PMAQI
13th Oct 2025519 PMAQI
13th Oct 20255010 PMAQI
13th Oct 20255011 PMAQI
14th Oct 20254912 AMAQI
14th Oct 2025501 AMAQI
14th Oct 2025482 AMAQI
14th Oct 2025443 AMAQI
14th Oct 2025444 AMAQI
14th Oct 2025445 AMAQI

18°C10/27°C

14th Oct 2025486 AMAQI
14th Oct 2025487 AMAQI
14th Oct 2025478 AMAQI
14th Oct 2025499 AMAQI
14th Oct 20255010 AMAQI
14th Oct 20255211 AMAQI
14th Oct 20255012 PMAQI
14th Oct 2025491 PMAQI
14th Oct 2025482 PMAQI
14th Oct 2025483 PMAQI
14th Oct 2025374 PMAQI
14th Oct 2025435 PMAQI
14th Oct 2025516 PMAQI
14th Oct 2025417 PMAQI
14th Oct 2025428 PMAQI
14th Oct 2025399 PMAQI
14th Oct 20254410 PMAQI
14th Oct 20254911 PMAQI
15th Oct 20254512 AMAQI
15th Oct 2025481 AMAQI
15th Oct 2025572 AMAQI
15th Oct 2025563 AMAQI
15th Oct 2025434 AMAQI
15th Oct 2025395 AMAQI

20°C12/30°C

15th Oct 2025386 AMAQI
15th Oct 2025407 AMAQI
15th Oct 2025438 AMAQI
15th Oct 2025369 AMAQI
15th Oct 20254110 AMAQI
15th Oct 20254611 AMAQI
15th Oct 20254812 PMAQI
15th Oct 2025471 PMAQI
15th Oct 2025432 PMAQI
15th Oct 2025483 PMAQI
15th Oct 2025494 PMAQI
15th Oct 2025565 PMAQI
15th Oct 2025536 PMAQI
15th Oct 2025527 PMAQI
15th Oct 2025498 PMAQI
15th Oct 2025469 PMAQI
15th Oct 20255010 PMAQI
15th Oct 20254411 PMAQI
16th Oct 20254912 AMAQI
16th Oct 2025561 AMAQI
16th Oct 2025612 AMAQI
16th Oct 2025573 AMAQI
16th Oct 2025564 AMAQI
16th Oct 2025505 AMAQI

20°C13/30°C

16th Oct 2025486 AMAQI
16th Oct 2025487 AMAQI
16th Oct 2025448 AMAQI
16th Oct 2025369 AMAQI
16th Oct 20254210 AMAQI
16th Oct 20254111 AMAQI
16th Oct 20253412 PMAQI
16th Oct 2025391 PMAQI
16th Oct 2025342 PMAQI
16th Oct 2025333 PMAQI
16th Oct 2025364 PMAQI
16th Oct 2025355 PMAQI
16th Oct 2025406 PMAQI
16th Oct 2025387 PMAQI
16th Oct 2025488 PMAQI
16th Oct 2025519 PMAQI
16th Oct 20254510 PMAQI
16th Oct 20254311 PMAQI
17th Oct 20254612 AMAQI
17th Oct 2025431 AMAQI
17th Oct 2025462 AMAQI
17th Oct 2025443 AMAQI
17th Oct 2025374 AMAQI
17th Oct 2025265 AMAQI

19°C13/27°C

17th Oct 2025226 AMAQI
17th Oct 2025277 AMAQI
17th Oct 2025478 AMAQI
17th Oct 2025459 AMAQI
17th Oct 20254710 AMAQI
17th Oct 20255611 AMAQI
17th Oct 20255012 PMAQI
17th Oct 2025491 PMAQI
17th Oct 2025482 PMAQI
17th Oct 2025533 PMAQI
17th Oct 2025584 PMAQI
17th Oct 2025575 PMAQI
17th Oct 2025576 PMAQI
17th Oct 2025577 PMAQI
17th Oct 2025558 PMAQI
17th Oct 2025579 PMAQI
17th Oct 20255110 PMAQI
17th Oct 20255511 PMAQI
18th Oct 20255312 AMAQI
18th Oct 2025541 AMAQI
18th Oct 2025582 AMAQI
18th Oct 2025593 AMAQI
18th Oct 2025564 AMAQI
18th Oct 2025585 AMAQI

20°C13/29°C

18th Oct 2025626 AMAQI
18th Oct 2025617 AMAQI
18th Oct 2025668 AMAQI
18th Oct 2025659 AMAQI
18th Oct 20256610 AMAQI
18th Oct 20256411 AMAQI
18th Oct 20256412 PMAQI
18th Oct 2025641 PMAQI
18th Oct 2025612 PMAQI
18th Oct 2025563 PMAQI
18th Oct 2025564 PMAQI
18th Oct 2025605 PMAQI
18th Oct 2025626 PMAQI
18th Oct 2025577 PMAQI
18th Oct 2025528 PMAQI
18th Oct 2025509 PMAQI
18th Oct 20255310 PMAQI
18th Oct 20254311 PMAQI
19th Oct 20254212 AMAQI
19th Oct 2025411 AMAQI
19th Oct 2025402 AMAQI
19th Oct 2025413 AMAQI
19th Oct 2025414 AMAQI
19th Oct 2025305 AMAQI

21°C16/31°C

19th Oct 2025316 AMAQI
19th Oct 2025227 AMAQI
19th Oct 2025228 AMAQI
19th Oct 2025239 AMAQI
19th Oct 20252510 AMAQI
19th Oct 20253111 AMAQI
19th Oct 20253712 PMAQI
19th Oct 2025391 PMAQI
19th Oct 2025312 PMAQI
19th Oct 2025283 PMAQI
19th Oct 2025204 PMAQI
19th Oct 2025215 PMAQI
19th Oct 2025236 PMAQI
19th Oct 2025227 PMAQI
19th Oct 2025218 PMAQI
19th Oct 2025219 PMAQI
19th Oct 20252110 PMAQI
19th Oct 20252011 PMAQI
20th Oct 20252012 AMAQI
20th Oct 2025211 AMAQI
20th Oct 2025232 AMAQI
20th Oct 2025213 AMAQI
20th Oct 2025224 AMAQI
20th Oct 2025215 AMAQI

12°C8/17°C

20th Oct 2025286 AMAQI
6 AM
20th Oct 2025227 AMAQI
20th Oct 2025238 AMAQI
20th Oct 2025219 AMAQI
20th Oct 20252810 AMAQI
20th Oct 20252911 AMAQI
20th Oct 20253712 PMAQI
12 PM
20th Oct 2025251 PMAQI
20th Oct 2025202 PMAQI
20th Oct 2025243 PMAQI
20th Oct 2025214 PMAQI
20th Oct 2025315 PMAQI
20th Oct 2025266 PMAQI
6 PM
20th Oct 2025247 PMAQI
20th Oct 2025268 PMAQI
12 AM
5 AM

12°C5/20°C

白天时间
平均最高时间
10 AM - 6 PM

41AQI

9 小时 / 天
270 小时 / 月
平均最低时间
6 AM - 7 AM

39AQI

2 小时 / 天
60 小时 / 月
过去30天中,白天AQI最高值为10 AM到6 PM(平均41),最低值为6 AM到7 AM(平均39)。
夜晚时间
平均最高时间
12 AM - 11 PM

40AQI

11 小时 / 天
330 小时 / 月
平均最低时间
12 AM - 11 PM

40AQI

11 小时 / 天
330 小时 / 月
过去30天中,夜间AQI最高值为12 AM到11 PM(平均40),最低值为12 AM到11 PM(平均40)。

2025空气质量与天数对比

Decatur, Illinois, United States

2025

82%

239

18%

53

0.3%

1

2025年的最后294天中,不同AQI类别的总天数 (剩余 71 天)

良好
239 天数
适中
53 天数
1 天数
不健康
0 天数
严重
0 天数
危险
0 天数



WHO安全空气质量限制内:82%

健康风险级别:

在2025年中,82%294天在WHO的安全空气质量限制内,健康问题的风险是,特别是对易感人群有潜在影响。

年度空气质量洞察

Decatur, Illinois, United States

2025年AQI水平

AQI
PM2.5
PM10
CO
SO2
NO2
O3
周日周一周二周三周四周五周六

一月

二月

三月

四月

五月

六月

七月

八月

九月

十月

十一月

十二月

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st 一月 2025
23AQI
2nd 一月 2025
25AQI
3rd 一月 2025
22AQI
4th 一月 2025
20AQI
5th 一月 2025
21AQI
6th 一月 2025
20AQI
7th 一月 2025
24AQI
8th 一月 2025
42AQI
9th 一月 2025
55AQI
10th 一月 2025
62AQI
11th 一月 2025
40AQI
12th 一月 2025
38AQI
13th 一月 2025
24AQI
14th 一月 2025
28AQI
15th 一月 2025
43AQI
16th 一月 2025
35AQI
17th 一月 2025
32AQI
18th 一月 2025
22AQI
19th 一月 2025
20AQI
20th 一月 2025
20AQI
21st 一月 2025
21AQI
22nd 一月 2025
24AQI
23rd 一月 2025
34AQI
24th 一月 2025
34AQI
25th 一月 2025
35AQI
26th 一月 2025
21AQI
27th 一月 2025
24AQI
28th 一月 2025
26AQI
29th 一月 2025
21AQI
30th 一月 2025
32AQI
31st 一月 2025
26AQI
1st 二月 2025
25AQI
2nd 二月 2025
37AQI
3rd 二月 2025
38AQI
4th 二月 2025
23AQI
5th 二月 2025
35AQI
6th 二月 2025
32AQI
7th 二月 2025
22AQI
8th 二月 2025
32AQI
9th 二月 2025
36AQI
10th 二月 2025
27AQI
11th 二月 2025
35AQI
12th 二月 2025
52AQI
13th 二月 2025
35AQI
14th 二月 2025
27AQI
15th 二月 2025
36AQI
16th 二月 2025
33AQI
17th 二月 2025
22AQI
18th 二月 2025
22AQI
19th 二月 2025
22AQI
20th 二月 2025
22AQI
21st 二月 2025
28AQI
22nd 二月 2025
47AQI
23rd 二月 2025
43AQI
24th 二月 2025
40AQI
25th 二月 2025
35AQI
26th 二月 2025
28AQI
27th 二月 2025
35AQI
28th 二月 2025
27AQI
1st 三月 2025
26AQI
2nd 三月 2025
30AQI
3rd 三月 2025
33AQI
4th 三月 2025
39AQI
5th 三月 2025
25AQI
6th 三月 2025
27AQI
7th 三月 2025
26AQI
8th 三月 2025
36AQI
9th 三月 2025
32AQI
10th 三月 2025
37AQI
11th 三月 2025
39AQI
12th 三月 2025
40AQI
13th 三月 2025
54AQI
14th 三月 2025
51AQI
15th 三月 2025
100AQI
16th 三月 2025
25AQI
17th 三月 2025
30AQI
18th 三月 2025
28AQI
19th 三月 2025
32AQI
20th 三月 2025
18AQI
21st 三月 2025
28AQI
22nd 三月 2025
22AQI
23rd 三月 2025
23AQI
24th 三月 2025
21AQI
25th 三月 2025
21AQI
26th 三月 2025
29AQI
27th 三月 2025
40AQI
28th 三月 2025
40AQI
29th 三月 2025
43AQI
30th 三月 2025
31AQI
31st 三月 2025
17AQI
1st 四月 2025
27AQI
2nd 四月 2025
27AQI
3rd 四月 2025
23AQI
4th 四月 2025
34AQI
5th 四月 2025
20AQI
6th 四月 2025
20AQI
7th 四月 2025
27AQI
8th 四月 2025
18AQI
9th 四月 2025
23AQI
10th 四月 2025
34AQI
11th 四月 2025
42AQI
12th 四月 2025
40AQI
13th 四月 2025
35AQI
14th 四月 2025
35AQI
15th 四月 2025
20AQI
16th 四月 2025
28AQI
17th 四月 2025
39AQI
18th 四月 2025
53AQI
19th 四月 2025
50AQI
20th 四月 2025
39AQI
21st 四月 2025
18AQI
22nd 四月 2025
24AQI
23rd 四月 2025
27AQI
24th 四月 2025
36AQI
25th 四月 2025
35AQI
26th 四月 2025
23AQI
27th 四月 2025
19AQI
28th 四月 2025
32AQI
29th 四月 2025
32AQI
30th 四月 2025
25AQI
1st 五月 2025
24AQI
2nd 五月 2025
22AQI
3rd 五月 2025
23AQI
4th 五月 2025
17AQI
5th 五月 2025
23AQI
6th 五月 2025
27AQI
7th 五月 2025
24AQI
8th 五月 2025
26AQI
9th 五月 2025
25AQI
10th 五月 2025
32AQI
11th 五月 2025
26AQI
12th 五月 2025
31AQI
13th 五月 2025
22AQI
14th 五月 2025
28AQI
15th 五月 2025
49AQI
16th 五月 2025
35AQI
17th 五月 2025
20AQI
18th 五月 2025
18AQI
19th 五月 2025
26AQI
20th 五月 2025
24AQI
21st 五月 2025
14AQI
22nd 五月 2025
14AQI
23rd 五月 2025
19AQI
24th 五月 2025
24AQI
25th 五月 2025
26AQI
26th 五月 2025
19AQI
27th 五月 2025
20AQI
28th 五月 2025
27AQI
29th 五月 2025
38AQI
30th 五月 2025
31AQI
31st 五月 2025
46AQI
1st 六月 2025
31AQI
2nd 六月 2025
44AQI
3rd 六月 2025
57AQI
4th 六月 2025
44AQI
5th 六月 2025
47AQI
6th 六月 2025
62AQI
7th 六月 2025
67AQI
8th 六月 2025
61AQI
9th 六月 2025
59AQI
10th 六月 2025
55AQI
11th 六月 2025
64AQI
12th 六月 2025
79AQI
13th 六月 2025
69AQI
14th 六月 2025
49AQI
15th 六月 2025
43AQI
16th 六月 2025
39AQI
17th 六月 2025
27AQI
18th 六月 2025
37AQI
19th 六月 2025
23AQI
20th 六月 2025
33AQI
21st 六月 2025
42AQI
22nd 六月 2025
46AQI
23rd 六月 2025
57AQI
24th 六月 2025
53AQI
25th 六月 2025
51AQI
26th 六月 2025
51AQI
27th 六月 2025
35AQI
28th 六月 2025
27AQI
29th 六月 2025
32AQI
30th 六月 2025
28AQI
1st 七月 2025
27AQI
2nd 七月 2025
42AQI
3rd 七月 2025
49AQI
4th 七月 2025
54AQI
5th 七月 2025
65AQI
6th 七月 2025
57AQI
7th 七月 2025
45AQI
8th 七月 2025
65AQI
9th 七月 2025
40AQI
10th 七月 2025
38AQI
11th 七月 2025
45AQI
12th 七月 2025
34AQI
13th 七月 2025
39AQI
14th 七月 2025
39AQI
15th 七月 2025
40AQI
16th 七月 2025
33AQI
17th 七月 2025
27AQI
18th 七月 2025
28AQI
19th 七月 2025
38AQI
20th 七月 2025
36AQI
21st 七月 2025
29AQI
22nd 七月 2025
41AQI
23rd 七月 2025
57AQI
24th 七月 2025
54AQI
25th 七月 2025
41AQI
26th 七月 2025
39AQI
27th 七月 2025
26AQI
28th 七月 2025
31AQI
29th 七月 2025
31AQI
30th 七月 2025
39AQI
31st 七月 2025
49AQI
1st 八月 2025
112AQI
2nd 八月 2025
83AQI
3rd 八月 2025
53AQI
4th 八月 2025
48AQI
5th 八月 2025
55AQI
6th 八月 2025
56AQI
7th 八月 2025
49AQI
8th 八月 2025
54AQI
9th 八月 2025
55AQI
10th 八月 2025
51AQI
11th 八月 2025
50AQI
12th 八月 2025
42AQI
13th 八月 2025
45AQI
14th 八月 2025
58AQI
15th 八月 2025
60AQI
16th 八月 2025
54AQI
17th 八月 2025
47AQI
18th 八月 2025
48AQI
19th 八月 2025
41AQI
20th 八月 2025
23AQI
21st 八月 2025
20AQI
22nd 八月 2025
30AQI
23rd 八月 2025
35AQI
24th 八月 2025
25AQI
25th 八月 2025
21AQI
26th 八月 2025
25AQI
27th 八月 2025
31AQI
28th 八月 2025
34AQI
29th 八月 2025
34AQI
30th 八月 2025
28AQI
31st 八月 2025
30AQI
1st 九月 2025
29AQI
2nd 九月 2025
30AQI
3rd 九月 2025
44AQI
4th 九月 2025
63AQI
5th 九月 2025
52AQI
6th 九月 2025
26AQI
7th 九月 2025
28AQI
8th 九月 2025
25AQI
9th 九月 2025
30AQI
10th 九月 2025
44AQI
11th 九月 2025
56AQI
12th 九月 2025
54AQI
13th 九月 2025
58AQI
14th 九月 2025
58AQI
15th 九月 2025
55AQI
16th 九月 2025
52AQI
17th 九月 2025
53AQI
18th 九月 2025
54AQI
19th 九月 2025
53AQI
20th 九月 2025
54AQI
21st 九月 2025
45AQI
22nd 九月 2025
34AQI
23rd 九月 2025
37AQI
24th 九月 2025
39AQI
25th 九月 2025
26AQI
26th 九月 2025
34AQI
27th 九月 2025
46AQI
28th 九月 2025
39AQI
29th 九月 2025
42AQI
30th 九月 2025
31AQI
1st 十月 2025
47AQI
2nd 十月 2025
48AQI
3rd 十月 2025
54AQI
4th 十月 2025
59AQI
5th 十月 2025
50AQI
6th 十月 2025
37AQI
7th 十月 2025
24AQI
8th 十月 2025
21AQI
9th 十月 2025
24AQI
10th 十月 2025
34AQI
11th 十月 2025
47AQI
12th 十月 2025
31AQI
13th 十月 2025
48AQI
14th 十月 2025
54AQI
15th 十月 2025
57AQI
16th 十月 2025
50AQI
17th 十月 2025
40AQI
18th 十月 2025
54AQI
19th 十月 2025
20AQI
20th 十月 2025
22AQI
21st 十月 2025
22nd 十月 2025
23rd 十月 2025
24th 十月 2025
25th 十月 2025
26th 十月 2025
27th 十月 2025
28th 十月 2025
29th 十月 2025
30th 十月 2025
31st 十月 2025
1st 十一月 2025
2nd 十一月 2025
3rd 十一月 2025
4th 十一月 2025
5th 十一月 2025
6th 十一月 2025
7th 十一月 2025
8th 十一月 2025
9th 十一月 2025
10th 十一月 2025
11th 十一月 2025
12th 十一月 2025
13th 十一月 2025
14th 十一月 2025
15th 十一月 2025
16th 十一月 2025
17th 十一月 2025
18th 十一月 2025
19th 十一月 2025
20th 十一月 2025
21st 十一月 2025
22nd 十一月 2025
23rd 十一月 2025
24th 十一月 2025
25th 十一月 2025
26th 十一月 2025
27th 十一月 2025
28th 十一月 2025
29th 十一月 2025
30th 十一月 2025
1st 十二月 2025
2nd 十二月 2025
3rd 十二月 2025
4th 十二月 2025
5th 十二月 2025
6th 十二月 2025
7th 十二月 2025
8th 十二月 2025
9th 十二月 2025
10th 十二月 2025
11th 十二月 2025
12th 十二月 2025
13th 十二月 2025
14th 十二月 2025
15th 十二月 2025
16th 十二月 2025
17th 十二月 2025
18th 十二月 2025
19th 十二月 2025
20th 十二月 2025
21st 十二月 2025
22nd 十二月 2025
23rd 十二月 2025
24th 十二月 2025
25th 十二月 2025
26th 十二月 2025
27th 十二月 2025
28th 十二月 2025
29th 十二月 2025
30th 十二月 2025
31st 十二月 2025

29AQI

32AQI

34AQI

30AQI

26AQI

47AQI

41AQI

45AQI

43AQI

41AQI


天数

一月二月三月四月五月六月七月八月九月十月十一月十二月总天数

202537AQI

29
2
27
1
28
3
29
1
31
17
13
25
6
20
10
1
18
12
15
5
239
53
1

最高AQI记录于

六月

47AQI


最低AQI记录于

五月

26AQI


202434AQI

31
23
6
29
2
30
30
1
25
4
24
7
25
6
28
2
27
4
30
29
2
331
34

最高AQI记录于

七月

40AQI


最低AQI记录于

十一月

27AQI


202343AQI

23
8
27
1
26
5
28
2
26
5
5
23
1
1
18
12
1
20
11
26
4
29
2
28
1
28
3
284
77
2
1

最高AQI记录于

六月

74AQI


最低AQI记录于

十二月

30AQI


202239AQI

26
5
17
4
27
4
29
1
27
4
24
6
20
4
2
27
1
29
2
23
7
20
11
271
49

最高AQI记录于

六月

44AQI


最低AQI记录于

九月

33AQI


202143AQI

26
4
23
5
24
7
26
4
29
2
24
6
12
16
3
20
10
1
22
8
28
3
22
6
19
10
275
81
4

最高AQI记录于

七月

58AQI


最低AQI记录于

十月

35AQI


202039AQI

11
2
18
2
18
25
5
24
7
29
2
28
1
28
2
24
4
18
11
223
36

最高AQI记录于

十二月

44AQI


最低AQI记录于

十月

34AQI


过去6年中污染最重与最轻的年份

污染最重的记录年份
2023(平均)
43AQI
污染最轻的记录年份
2024(平均)
34AQI


Decatur的年度2025 AQI(37)相比之前几年的平均百分比变化为-6.1% (改善 AQI):2020 (39), 2021 (43), 2022 (39), 2023 (43), 2024 (34)。