Country Background

Howard County Near Road, North Laurel, Maryland, 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

Howard County Near Road, North Laurel, Maryland, United States

2021
2022
2023
2024
2025
AQI
.
天数

AQI趋势:最高与最低

最高AQI记录于
6th Oct 2025
58AQI
最低AQI记录于
8th Oct 2023
7AQI


同日分析(26th October ):
在过去5年的这一天,AQI差异显著:2025年排名为2nd 最高,AQI为28,属于良好空气质量,比2023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:26th Oct - 27th Oct 2025

Howard County Near Road, North Laurel, Maryland, United States

AQI
夜晚
.

7 AM26th Oct 2025

6 PM

6 AM27th Oct 2025

白天时间
平均最高时间
7AM26th Oct

38AQI

平均最低时间
5PM26th Oct

11AQI

夜晚时间
平均最高时间
10PM26th Oct

38AQI

平均最低时间
7PM26th Oct

12AQI

在过去的24小时内,

Howard County Near Road的AQI最高点为38,出现在的7 AM;最低点为11,出现在的5 PM。

日夜AQI趋势:Sep - Oct 2025

Howard County Near Road, North Laurel, Maryland, United States

SepOct
27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th
夜晚
27th Sep 2025317 AMAQI
27th Sep 2025438 AMAQI
27th Sep 2025489 AMAQI
27th Sep 20254410 AMAQI
27th Sep 20254211 AMAQI
27th Sep 20253912 PMAQI
27th Sep 2025391 PMAQI
27th Sep 2025402 PMAQI
27th Sep 2025403 PMAQI
27th Sep 2025354 PMAQI
27th Sep 2025395 PMAQI
27th Sep 2025416 PMAQI
27th Sep 2025397 PMAQI
27th Sep 2025358 PMAQI
27th Sep 2025419 PMAQI
27th Sep 20253210 PMAQI
27th Sep 20252811 PMAQI
28th Sep 20252812 AMAQI
28th Sep 2025371 AMAQI
28th Sep 2025272 AMAQI
28th Sep 2025363 AMAQI
28th Sep 2025404 AMAQI
28th Sep 2025335 AMAQI
28th Sep 2025316 AMAQI

22°C18/28°C

28th Sep 2025307 AMAQI
28th Sep 2025328 AMAQI
28th Sep 2025329 AMAQI
28th Sep 20253210 AMAQI
28th Sep 20253211 AMAQI
28th Sep 20252512 PMAQI
28th Sep 2025191 PMAQI
28th Sep 2025182 PMAQI
28th Sep 2025253 PMAQI
28th Sep 2025154 PMAQI
28th Sep 2025155 PMAQI
28th Sep 2025216 PMAQI
28th Sep 2025167 PMAQI
28th Sep 2025168 PMAQI
28th Sep 2025299 PMAQI
28th Sep 20254610 PMAQI
28th Sep 20254711 PMAQI
29th Sep 20254012 AMAQI
29th Sep 2025411 AMAQI
29th Sep 2025352 AMAQI
29th Sep 2025393 AMAQI
29th Sep 2025364 AMAQI
29th Sep 2025285 AMAQI
29th Sep 2025316 AMAQI

23°C18/32°C

29th Sep 2025327 AMAQI
29th Sep 2025228 AMAQI
29th Sep 2025209 AMAQI
29th Sep 20252410 AMAQI
29th Sep 20253211 AMAQI
29th Sep 20252812 PMAQI
29th Sep 2025241 PMAQI
29th Sep 2025252 PMAQI
29th Sep 2025353 PMAQI
29th Sep 2025444 PMAQI
29th Sep 2025325 PMAQI
29th Sep 2025246 PMAQI
29th Sep 2025287 PMAQI
29th Sep 2025328 PMAQI
29th Sep 2025309 PMAQI
29th Sep 20253410 PMAQI
29th Sep 20255111 PMAQI
30th Sep 20255512 AMAQI
30th Sep 2025471 AMAQI
30th Sep 2025392 AMAQI
30th Sep 2025403 AMAQI
30th Sep 2025384 AMAQI
30th Sep 2025365 AMAQI
30th Sep 2025306 AMAQI

22°C17/29°C

30th Sep 2025327 AMAQI
30th Sep 2025318 AMAQI
30th Sep 2025289 AMAQI
30th Sep 20253310 AMAQI
30th Sep 20252511 AMAQI
30th Sep 20252412 PMAQI
30th Sep 2025201 PMAQI
30th Sep 2025222 PMAQI
30th Sep 2025233 PMAQI
30th Sep 2025234 PMAQI
30th Sep 2025275 PMAQI
30th Sep 2025286 PMAQI
30th Sep 2025337 PMAQI
30th Sep 2025278 PMAQI
30th Sep 2025259 PMAQI
30th Sep 20252910 PMAQI
30th Sep 20253911 PMAQI
1st Oct 20253912 AMAQI
1st Oct 2025391 AMAQI
1st Oct 2025432 AMAQI
1st Oct 2025363 AMAQI
1st Oct 2025364 AMAQI
1st Oct 2025415 AMAQI
1st Oct 2025366 AMAQI

23°C19/29°C

1st Oct 2025437 AMAQI
1st Oct 2025418 AMAQI
1st Oct 2025479 AMAQI
1st Oct 20253310 AMAQI
1st Oct 20253111 AMAQI
1st Oct 20253112 PMAQI
1st Oct 2025241 PMAQI
1st Oct 2025202 PMAQI
1st Oct 2025313 PMAQI
1st Oct 2025364 PMAQI
1st Oct 2025275 PMAQI
1st Oct 2025266 PMAQI
1st Oct 2025377 PMAQI
1st Oct 2025398 PMAQI
1st Oct 2025329 PMAQI
1st Oct 20253310 PMAQI
1st Oct 20253911 PMAQI
2nd Oct 20254312 AMAQI
2nd Oct 2025441 AMAQI
2nd Oct 2025432 AMAQI
2nd Oct 2025333 AMAQI
2nd Oct 2025224 AMAQI
2nd Oct 2025205 AMAQI
2nd Oct 2025186 AMAQI

19°C15/25°C

2nd Oct 2025237 AMAQI
2nd Oct 2025308 AMAQI
2nd Oct 2025359 AMAQI
2nd Oct 20253710 AMAQI
2nd Oct 20252811 AMAQI
2nd Oct 20253612 PMAQI
2nd Oct 2025481 PMAQI
2nd Oct 2025382 PMAQI
2nd Oct 2025233 PMAQI
2nd Oct 2025294 PMAQI
2nd Oct 2025395 PMAQI
2nd Oct 2025416 PMAQI
2nd Oct 2025227 PMAQI
2nd Oct 2025188 PMAQI
2nd Oct 2025459 PMAQI
2nd Oct 20254910 PMAQI
2nd Oct 20255111 PMAQI
3rd Oct 20254812 AMAQI
3rd Oct 2025501 AMAQI
3rd Oct 2025492 AMAQI
3rd Oct 2025393 AMAQI
3rd Oct 2025204 AMAQI
3rd Oct 2025135 AMAQI
3rd Oct 2025296 AMAQI

16°C9/22°C

3rd Oct 2025167 AMAQI
3rd Oct 2025178 AMAQI
3rd Oct 2025189 AMAQI
3rd Oct 20251810 AMAQI
3rd Oct 20252211 AMAQI
3rd Oct 20254412 PMAQI
3rd Oct 2025531 PMAQI
3rd Oct 2025552 PMAQI
3rd Oct 2025543 PMAQI
3rd Oct 2025324 PMAQI
3rd Oct 2025255 PMAQI
3rd Oct 2025246 PMAQI
3rd Oct 2025437 PMAQI
3rd Oct 2025468 PMAQI
3rd Oct 2025409 PMAQI
3rd Oct 20254710 PMAQI
3rd Oct 20255011 PMAQI
4th Oct 20255112 AMAQI
4th Oct 2025481 AMAQI
4th Oct 2025432 AMAQI
4th Oct 2025473 AMAQI
4th Oct 2025564 AMAQI
4th Oct 2025555 AMAQI
4th Oct 2025386 AMAQI

17°C9/26°C

4th Oct 2025387 AMAQI
4th Oct 2025378 AMAQI
4th Oct 2025429 AMAQI
4th Oct 20254410 AMAQI
4th Oct 20253011 AMAQI
4th Oct 20252512 PMAQI
4th Oct 2025281 PMAQI
4th Oct 2025322 PMAQI
4th Oct 2025373 PMAQI
4th Oct 2025454 PMAQI
4th Oct 2025505 PMAQI
4th Oct 2025466 PMAQI
4th Oct 2025417 PMAQI
4th Oct 2025488 PMAQI
4th Oct 2025519 PMAQI
4th Oct 20254810 PMAQI
4th Oct 20256111 PMAQI
5th Oct 20256612 AMAQI
5th Oct 2025631 AMAQI
5th Oct 2025602 AMAQI
5th Oct 2025703 AMAQI
5th Oct 2025694 AMAQI
5th Oct 2025555 AMAQI
5th Oct 2025546 AMAQI

19°C9/29°C

5th Oct 2025457 AMAQI
5th Oct 2025368 AMAQI
5th Oct 2025389 AMAQI
5th Oct 20254110 AMAQI
5th Oct 20255211 AMAQI
5th Oct 20254412 PMAQI
5th Oct 2025511 PMAQI
5th Oct 2025502 PMAQI
5th Oct 2025453 PMAQI
5th Oct 2025274 PMAQI
5th Oct 2025235 PMAQI
5th Oct 2025216 PMAQI
5th Oct 2025217 PMAQI
5th Oct 2025378 PMAQI
5th Oct 2025469 PMAQI
5th Oct 20255910 PMAQI
5th Oct 20255711 PMAQI
6th Oct 20255512 AMAQI
6th Oct 2025541 AMAQI
6th Oct 2025582 AMAQI
6th Oct 2025603 AMAQI
6th Oct 2025614 AMAQI
6th Oct 2025645 AMAQI
6th Oct 2025566 AMAQI

19°C11/30°C

6th Oct 2025577 AMAQI
6th Oct 2025568 AMAQI
6th Oct 2025609 AMAQI
6th Oct 20254910 AMAQI
6th Oct 20255811 AMAQI
6th Oct 20256412 PMAQI
6th Oct 2025611 PMAQI

20°C13/31°C

7th Oct 2025467 AMAQI
7th Oct 2025478 AMAQI
7th Oct 2025609 AMAQI
7th Oct 20255910 AMAQI
7th Oct 20255511 AMAQI
7th Oct 20254712 PMAQI
7th Oct 2025421 PMAQI
7th Oct 2025442 PMAQI
7th Oct 2025423 PMAQI
7th Oct 2025324 PMAQI
7th Oct 2025245 PMAQI
7th Oct 2025286 PMAQI
7th Oct 2025277 PMAQI
7th Oct 2025248 PMAQI
7th Oct 2025189 PMAQI
7th Oct 20252010 PMAQI
7th Oct 20253411 PMAQI
8th Oct 20254112 AMAQI
8th Oct 2025521 AMAQI
8th Oct 2025452 AMAQI
8th Oct 2025443 AMAQI
8th Oct 2025404 AMAQI
8th Oct 2025485 AMAQI
8th Oct 2025256 AMAQI

22°C15/31°C

8th Oct 2025157 AMAQI
8th Oct 2025308 AMAQI
8th Oct 2025429 AMAQI
8th Oct 20254310 AMAQI
8th Oct 20252611 AMAQI
8th Oct 20251512 PMAQI
8th Oct 2025141 PMAQI
8th Oct 2025132 PMAQI
8th Oct 2025123 PMAQI
8th Oct 2025154 PMAQI
8th Oct 2025165 PMAQI
8th Oct 2025176 PMAQI
8th Oct 2025317 PMAQI
8th Oct 2025238 PMAQI
8th Oct 2025349 PMAQI
8th Oct 20252610 PMAQI
8th Oct 20253211 PMAQI
9th Oct 20252712 AMAQI
9th Oct 2025251 AMAQI
9th Oct 2025212 AMAQI
9th Oct 2025423 AMAQI
9th Oct 2025484 AMAQI
9th Oct 2025405 AMAQI
9th Oct 2025206 AMAQI

20°C13/22°C

9th Oct 2025147 AMAQI
9th Oct 2025338 AMAQI
9th Oct 2025219 AMAQI
9th Oct 20253610 AMAQI
9th Oct 20254011 AMAQI
9th Oct 20251812 PMAQI
9th Oct 2025221 PMAQI
9th Oct 2025172 PMAQI
9th Oct 2025203 PMAQI
9th Oct 2025204 PMAQI
9th Oct 2025205 PMAQI
9th Oct 2025226 PMAQI
9th Oct 2025167 PMAQI
9th Oct 2025358 PMAQI
9th Oct 2025289 PMAQI
9th Oct 20254010 PMAQI
9th Oct 20254211 PMAQI
10th Oct 20253912 AMAQI
10th Oct 2025371 AMAQI
10th Oct 2025232 AMAQI
10th Oct 2025333 AMAQI
10th Oct 2025244 AMAQI
10th Oct 2025185 AMAQI
10th Oct 2025176 AMAQI

14°C10/19°C

10th Oct 2025237 AMAQI
10th Oct 2025348 AMAQI
10th Oct 2025249 AMAQI
10th Oct 20252010 AMAQI
10th Oct 20252111 AMAQI
10th Oct 20253412 PMAQI
10th Oct 2025241 PMAQI
10th Oct 2025162 PMAQI
10th Oct 2025153 PMAQI
10th Oct 2025164 PMAQI
10th Oct 2025275 PMAQI
10th Oct 2025266 PMAQI
10th Oct 2025187 PMAQI
10th Oct 2025198 PMAQI
10th Oct 2025369 PMAQI
10th Oct 20253910 PMAQI
10th Oct 20254211 PMAQI
11th Oct 20253112 AMAQI
11th Oct 2025451 AMAQI
11th Oct 2025432 AMAQI
11th Oct 2025413 AMAQI
11th Oct 2025374 AMAQI
11th Oct 2025225 AMAQI
11th Oct 2025176 AMAQI

12°C6/19°C

11th Oct 2025177 AMAQI
11th Oct 2025158 AMAQI
11th Oct 2025419 AMAQI
11th Oct 20254710 AMAQI
11th Oct 20252511 AMAQI
11th Oct 20252012 PMAQI
11th Oct 2025331 PMAQI
11th Oct 2025252 PMAQI
11th Oct 2025233 PMAQI
11th Oct 2025234 PMAQI
11th Oct 2025225 PMAQI
11th Oct 2025316 PMAQI
11th Oct 2025507 PMAQI
11th Oct 2025488 PMAQI
11th Oct 2025499 PMAQI
11th Oct 20254310 PMAQI
11th Oct 20254911 PMAQI
12th Oct 20254012 AMAQI
12th Oct 2025351 AMAQI
12th Oct 2025382 AMAQI
12th Oct 2025243 AMAQI
12th Oct 2025234 AMAQI
12th Oct 2025235 AMAQI
12th Oct 2025216 AMAQI

15°C8/21°C

12th Oct 2025197 AMAQI
12th Oct 2025178 AMAQI
12th Oct 2025189 AMAQI
12th Oct 20252010 AMAQI
12th Oct 20252011 AMAQI
12th Oct 20252012 PMAQI
12th Oct 2025201 PMAQI
12th Oct 2025202 PMAQI
12th Oct 2025313 PMAQI
12th Oct 2025244 PMAQI
12th Oct 2025145 PMAQI
12th Oct 2025146 PMAQI
12th Oct 2025147 PMAQI
12th Oct 2025148 PMAQI
12th Oct 2025199 PMAQI
12th Oct 20253910 PMAQI
12th Oct 20253311 PMAQI
13th Oct 20252712 AMAQI
13th Oct 2025271 AMAQI
13th Oct 2025242 AMAQI
13th Oct 2025243 AMAQI
13th Oct 2025264 AMAQI
13th Oct 2025235 AMAQI
13th Oct 2025266 AMAQI

17°C15/19°C

13th Oct 2025277 AMAQI
13th Oct 2025248 AMAQI
13th Oct 2025289 AMAQI
13th Oct 20252510 AMAQI
13th Oct 20252911 AMAQI
13th Oct 20253112 PMAQI
13th Oct 2025311 PMAQI
13th Oct 2025312 PMAQI
13th Oct 2025303 PMAQI
13th Oct 2025264 PMAQI
13th Oct 2025285 PMAQI
13th Oct 2025316 PMAQI
13th Oct 2025307 PMAQI
13th Oct 2025308 PMAQI
13th Oct 2025269 PMAQI
13th Oct 20252710 PMAQI
13th Oct 20252511 PMAQI
14th Oct 20252612 AMAQI
14th Oct 2025261 AMAQI
14th Oct 2025232 AMAQI
14th Oct 2025263 AMAQI
14th Oct 2025244 AMAQI
14th Oct 2025245 AMAQI
14th Oct 2025256 AMAQI

14°C13/15°C

14th Oct 2025267 AMAQI
14th Oct 2025278 AMAQI
14th Oct 2025259 AMAQI
14th Oct 20252410 AMAQI
14th Oct 20252511 AMAQI
14th Oct 20252612 PMAQI
14th Oct 2025261 PMAQI
14th Oct 2025302 PMAQI
14th Oct 2025313 PMAQI
14th Oct 2025304 PMAQI
14th Oct 2025175 PMAQI
14th Oct 2025136 PMAQI
14th Oct 2025177 PMAQI
14th Oct 2025178 PMAQI
14th Oct 2025199 PMAQI
14th Oct 20251410 PMAQI
14th Oct 20251711 PMAQI
15th Oct 20252012 AMAQI
15th Oct 2025121 AMAQI
15th Oct 2025122 AMAQI
15th Oct 2025123 AMAQI
15th Oct 2025134 AMAQI
15th Oct 2025125 AMAQI
15th Oct 2025126 AMAQI

16°C12/23°C

15th Oct 2025217 AMAQI
15th Oct 2025518 AMAQI
15th Oct 2025539 AMAQI
15th Oct 20254610 AMAQI
15th Oct 20252311 AMAQI
15th Oct 20252012 PMAQI
15th Oct 2025181 PMAQI
15th Oct 2025222 PMAQI
15th Oct 2025423 PMAQI
15th Oct 2025264 PMAQI
15th Oct 2025195 PMAQI
15th Oct 2025186 PMAQI
15th Oct 2025237 PMAQI
15th Oct 2025248 PMAQI
15th Oct 2025229 PMAQI
15th Oct 20252610 PMAQI
15th Oct 20253511 PMAQI
16th Oct 20254312 AMAQI
16th Oct 2025441 AMAQI
16th Oct 2025442 AMAQI
16th Oct 2025233 AMAQI
16th Oct 2025134 AMAQI
16th Oct 2025125 AMAQI
16th Oct 2025236 AMAQI

17°C10/25°C

16th Oct 2025257 AMAQI
16th Oct 2025238 AMAQI
16th Oct 2025179 AMAQI
16th Oct 20251510 AMAQI
16th Oct 20251511 AMAQI
16th Oct 20252012 PMAQI
16th Oct 2025221 PMAQI
16th Oct 2025152 PMAQI
16th Oct 2025173 PMAQI
16th Oct 2025154 PMAQI
16th Oct 2025145 PMAQI
16th Oct 2025156 PMAQI
16th Oct 2025177 PMAQI
16th Oct 2025178 PMAQI
16th Oct 2025229 PMAQI
16th Oct 20252010 PMAQI
16th Oct 20252411 PMAQI
17th Oct 20252412 AMAQI
17th Oct 2025221 AMAQI
17th Oct 2025212 AMAQI
17th Oct 2025173 AMAQI
17th Oct 2025214 AMAQI
17th Oct 2025245 AMAQI
17th Oct 2025246 AMAQI

13°C6/20°C

17th Oct 2025247 AMAQI
17th Oct 2025168 AMAQI
17th Oct 2025149 AMAQI
17th Oct 20251610 AMAQI
17th Oct 20251811 AMAQI
17th Oct 20251912 PMAQI
17th Oct 2025271 PMAQI
17th Oct 2025202 PMAQI
17th Oct 2025193 PMAQI
17th Oct 2025184 PMAQI
17th Oct 2025165 PMAQI
17th Oct 2025176 PMAQI
17th Oct 2025387 PMAQI
17th Oct 2025458 PMAQI
17th Oct 2025309 PMAQI
17th Oct 20252210 PMAQI
17th Oct 20252711 PMAQI
18th Oct 20253112 AMAQI
18th Oct 2025371 AMAQI
18th Oct 2025382 AMAQI
18th Oct 2025383 AMAQI
18th Oct 2025444 AMAQI
18th Oct 2025295 AMAQI
18th Oct 2025426 AMAQI

12°C5/20°C

18th Oct 2025477 AMAQI
18th Oct 2025418 AMAQI
18th Oct 2025399 AMAQI
18th Oct 20253210 AMAQI
18th Oct 20254911 AMAQI
18th Oct 20255212 PMAQI
18th Oct 2025551 PMAQI
18th Oct 2025402 PMAQI
18th Oct 2025403 PMAQI
18th Oct 2025464 PMAQI
18th Oct 2025295 PMAQI
18th Oct 2025186 PMAQI
18th Oct 2025387 PMAQI
18th Oct 2025518 PMAQI
18th Oct 2025469 PMAQI
18th Oct 20254510 PMAQI
18th Oct 20255311 PMAQI
19th Oct 20255212 AMAQI
19th Oct 2025441 AMAQI
19th Oct 2025472 AMAQI
19th Oct 2025513 AMAQI
19th Oct 2025584 AMAQI
19th Oct 2025615 AMAQI
19th Oct 2025476 AMAQI

14°C7/23°C

19th Oct 2025507 AMAQI
19th Oct 2025528 AMAQI
19th Oct 2025449 AMAQI
19th Oct 20254310 AMAQI
19th Oct 20254711 AMAQI
19th Oct 20255512 PMAQI
19th Oct 2025551 PMAQI
19th Oct 2025532 PMAQI
19th Oct 2025543 PMAQI
19th Oct 2025304 PMAQI
19th Oct 2025225 PMAQI
19th Oct 2025236 PMAQI
19th Oct 2025217 PMAQI
19th Oct 2025188 PMAQI
19th Oct 2025179 PMAQI
19th Oct 20251510 PMAQI
19th Oct 20251511 PMAQI
20th Oct 20251412 AMAQI
20th Oct 2025221 AMAQI
20th Oct 2025232 AMAQI
20th Oct 2025233 AMAQI
20th Oct 2025224 AMAQI
20th Oct 2025235 AMAQI
20th Oct 2025226 AMAQI

18°C10/27°C

20th Oct 2025237 AMAQI
20th Oct 2025248 AMAQI
20th Oct 2025229 AMAQI
20th Oct 20252410 AMAQI
20th Oct 20252311 AMAQI
20th Oct 20252412 PMAQI
20th Oct 2025251 PMAQI
20th Oct 2025252 PMAQI
20th Oct 2025253 PMAQI
20th Oct 2025264 PMAQI
20th Oct 2025245 PMAQI
20th Oct 2025326 PMAQI
20th Oct 2025257 PMAQI
20th Oct 2025258 PMAQI
20th Oct 2025209 PMAQI
20th Oct 20252510 PMAQI
20th Oct 20251811 PMAQI
21st Oct 20252312 AMAQI
21st Oct 2025481 AMAQI
21st Oct 2025322 AMAQI
21st Oct 2025233 AMAQI
21st Oct 2025204 AMAQI
21st Oct 2025195 AMAQI
21st Oct 2025196 AMAQI

14°C10/20°C

21st Oct 2025197 AMAQI
21st Oct 2025188 AMAQI
21st Oct 2025199 AMAQI
21st Oct 20253210 AMAQI
21st Oct 20253211 AMAQI
21st Oct 20254812 PMAQI
21st Oct 2025461 PMAQI
21st Oct 2025312 PMAQI
21st Oct 2025193 PMAQI
21st Oct 2025214 PMAQI
21st Oct 2025225 PMAQI
21st Oct 2025316 PMAQI
21st Oct 2025377 PMAQI
21st Oct 2025348 PMAQI
21st Oct 2025339 PMAQI
21st Oct 20254910 PMAQI
21st Oct 20254911 PMAQI
22nd Oct 20255012 AMAQI
22nd Oct 2025411 AMAQI
22nd Oct 2025252 AMAQI
22nd Oct 2025183 AMAQI
22nd Oct 2025394 AMAQI
22nd Oct 2025355 AMAQI
22nd Oct 2025336 AMAQI

14°C6/24°C

22nd Oct 2025247 AMAQI
22nd Oct 2025188 AMAQI
22nd Oct 2025179 AMAQI
22nd Oct 20251310 AMAQI
22nd Oct 20252511 AMAQI
22nd Oct 20252812 PMAQI
22nd Oct 2025231 PMAQI
22nd Oct 2025182 PMAQI
22nd Oct 2025193 PMAQI
22nd Oct 2025224 PMAQI
22nd Oct 2025185 PMAQI
22nd Oct 2025176 PMAQI
22nd Oct 2025217 PMAQI
22nd Oct 2025168 PMAQI
22nd Oct 2025209 PMAQI
22nd Oct 20253110 PMAQI
22nd Oct 20253311 PMAQI
23rd Oct 20252912 AMAQI
23rd Oct 2025281 AMAQI
23rd Oct 2025232 AMAQI
23rd Oct 2025443 AMAQI
23rd Oct 2025414 AMAQI
23rd Oct 2025255 AMAQI
23rd Oct 2025226 AMAQI

14°C10/19°C

23rd Oct 2025187 AMAQI
23rd Oct 2025148 AMAQI
23rd Oct 2025299 AMAQI
23rd Oct 20253310 AMAQI
23rd Oct 20254711 AMAQI
23rd Oct 20254112 PMAQI
23rd Oct 2025211 PMAQI
23rd Oct 2025172 PMAQI
23rd Oct 2025163 PMAQI
23rd Oct 2025144 PMAQI
23rd Oct 2025205 PMAQI
23rd Oct 2025156 PMAQI
23rd Oct 2025147 PMAQI
23rd Oct 2025168 PMAQI
23rd Oct 2025179 PMAQI
23rd Oct 20251810 PMAQI
23rd Oct 20252711 PMAQI
24th Oct 20252312 AMAQI
24th Oct 2025221 AMAQI
24th Oct 2025222 AMAQI
24th Oct 2025223 AMAQI
24th Oct 2025364 AMAQI
24th Oct 2025175 AMAQI
24th Oct 2025166 AMAQI

12°C8/19°C

24th Oct 2025177 AMAQI
24th Oct 2025178 AMAQI
24th Oct 2025139 AMAQI
24th Oct 20252010 AMAQI
24th Oct 20251811 AMAQI
24th Oct 20251812 PMAQI
24th Oct 2025161 PMAQI
24th Oct 2025142 PMAQI
24th Oct 2025363 PMAQI
24th Oct 2025204 PMAQI
24th Oct 2025265 PMAQI
24th Oct 2025286 PMAQI
24th Oct 2025267 PMAQI
24th Oct 2025168 PMAQI
24th Oct 2025179 PMAQI
24th Oct 20251710 PMAQI
24th Oct 20251811 PMAQI
25th Oct 20252612 AMAQI
25th Oct 2025231 AMAQI
25th Oct 2025222 AMAQI
25th Oct 2025273 AMAQI
25th Oct 2025324 AMAQI
25th Oct 2025245 AMAQI
25th Oct 2025126 AMAQI

9°C4/17°C

25th Oct 2025117 AMAQI
25th Oct 2025258 AMAQI
25th Oct 2025239 AMAQI
25th Oct 20251810 AMAQI
25th Oct 20252611 AMAQI
25th Oct 20254112 PMAQI
25th Oct 2025301 PMAQI
25th Oct 2025142 PMAQI
25th Oct 2025113 PMAQI
25th Oct 2025174 PMAQI
25th Oct 2025185 PMAQI
25th Oct 2025226 PMAQI
25th Oct 2025177 PMAQI
25th Oct 2025178 PMAQI
25th Oct 2025359 PMAQI
25th Oct 20252710 PMAQI
25th Oct 20252611 PMAQI
26th Oct 20253212 AMAQI
26th Oct 2025331 AMAQI
26th Oct 2025382 AMAQI
26th Oct 2025293 AMAQI
26th Oct 2025204 AMAQI
26th Oct 2025195 AMAQI
26th Oct 2025306 AMAQI

10°C3/16°C

26th Oct 2025387 AMAQI
26th Oct 2025348 AMAQI
26th Oct 2025339 AMAQI
26th Oct 20252310 AMAQI
26th Oct 20252711 AMAQI
26th Oct 20253212 PMAQI
26th Oct 2025331 PMAQI
26th Oct 2025292 PMAQI
26th Oct 2025143 PMAQI
26th Oct 2025114 PMAQI
26th Oct 2025115 PMAQI
26th Oct 2025146 PMAQI
26th Oct 2025127 PMAQI
26th Oct 2025208 PMAQI
26th Oct 2025329 PMAQI
26th Oct 20253810 PMAQI
26th Oct 20253411 PMAQI
27th Oct 20253312 AMAQI
27th Oct 2025331 AMAQI
27th Oct 2025332 AMAQI
27th Oct 2025243 AMAQI
27th Oct 2025224 AMAQI
27th Oct 2025185 AMAQI
27th Oct 2025176 AMAQI

11°C4/19°C

27th Oct 2025177 AMAQI
7 AM
12 PM
6 PM
12 AM
6 AM

--°C/°C

白天时间
平均最高时间
9 AM

32AQI

1 小时 / 天
30 小时 / 月
平均最低时间
5 PM - 6 PM

24AQI

2 小时 / 天
60 小时 / 月
过去30天中,白天AQI最高值为9 AM到9 AM(平均32),最低值为5 PM到6 PM(平均24)。
夜晚时间
平均最高时间
12 AM - 1 AM

37AQI

2 小时 / 天
60 小时 / 月
平均最低时间
6 AM - 7 PM

27AQI

2 小时 / 天
60 小时 / 月
过去30天中,夜间AQI最高值为12 AM到1 AM(平均37),最低值为6 AM到7 PM(平均27)。

2025空气质量与天数对比

Howard County Near Road, North Laurel, Maryland, United States

2025

91%

272

9%

27

2025年的最后300天中,不同AQI类别的总天数 (剩余 65 天)

良好
272 天数
适中
27 天数
0 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:91%

健康风险级别:

非常低

在2025年中,91%300天在WHO的安全空气质量限制内。健康问题的风险是非常低,但长期影响仍不明确。

年度空气质量洞察

Howard County Near Road, North Laurel, Maryland, 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
24AQI
2nd 一月 2025
21AQI
3rd 一月 2025
26AQI
4th 一月 2025
19AQI
5th 一月 2025
25AQI
6th 一月 2025
32AQI
7th 一月 2025
17AQI
8th 一月 2025
19AQI
9th 一月 2025
20AQI
10th 一月 2025
29AQI
11th 一月 2025
35AQI
12th 一月 2025
41AQI
13th 一月 2025
39AQI
14th 一月 2025
22AQI
15th 一月 2025
25AQI
16th 一月 2025
41AQI
17th 一月 2025
37AQI
18th 一月 2025
38AQI
19th 一月 2025
44AQI
20th 一月 2025
23AQI
21st 一月 2025
33AQI
22nd 一月 2025
45AQI
23rd 一月 2025
62AQI
24th 一月 2025
50AQI
25th 一月 2025
54AQI
26th 一月 2025
43AQI
27th 一月 2025
37AQI
28th 一月 2025
24AQI
29th 一月 2025
24AQI
30th 一月 2025
27AQI
31st 一月 2025
38AQI
1st 二月 2025
23AQI
2nd 二月 2025
24AQI
3rd 二月 2025
43AQI
4th 二月 2025
33AQI
5th 二月 2025
27AQI
6th 二月 2025
27AQI
7th 二月 2025
26AQI
8th 二月 2025
28AQI
9th 二月 2025
26AQI
10th 二月 2025
30AQI
11th 二月 2025
37AQI
12th 二月 2025
53AQI
13th 二月 2025
33AQI
14th 二月 2025
23AQI
15th 二月 2025
25AQI
16th 二月 2025
21AQI
17th 二月 2025
22AQI
18th 二月 2025
22AQI
19th 二月 2025
24AQI
20th 二月 2025
24AQI
21st 二月 2025
24AQI
22nd 二月 2025
39AQI
23rd 二月 2025
35AQI
24th 二月 2025
41AQI
25th 二月 2025
38AQI
26th 二月 2025
33AQI
27th 二月 2025
43AQI
28th 二月 2025
23AQI
1st 三月 2025
24AQI
2nd 三月 2025
25AQI
3rd 三月 2025
32AQI
4th 三月 2025
37AQI
5th 三月 2025
25AQI
6th 三月 2025
22AQI
7th 三月 2025
26AQI
8th 三月 2025
25AQI
9th 三月 2025
27AQI
10th 三月 2025
29AQI
11th 三月 2025
33AQI
12th 三月 2025
29AQI
13th 三月 2025
40AQI
14th 三月 2025
46AQI
15th 三月 2025
38AQI
16th 三月 2025
28AQI
17th 三月 2025
20AQI
18th 三月 2025
17AQI
19th 三月 2025
24AQI
20th 三月 2025
30AQI
21st 三月 2025
17AQI
22nd 三月 2025
23AQI
23rd 三月 2025
20AQI
24th 三月 2025
31AQI
25th 三月 2025
19AQI
26th 三月 2025
21AQI
27th 三月 2025
22AQI
28th 三月 2025
39AQI
29th 三月 2025
57AQI
30th 三月 2025
44AQI
31st 三月 2025
27AQI
1st 四月 2025
20AQI
2nd 四月 2025
27AQI
3rd 四月 2025
34AQI
4th 四月 2025
28AQI
5th 四月 2025
35AQI
6th 四月 2025
39AQI
7th 四月 2025
23AQI
8th 四月 2025
22AQI
9th 四月 2025
22AQI
10th 四月 2025
30AQI
11th 四月 2025
25AQI
12th 四月 2025
21AQI
13th 四月 2025
19AQI
14th 四月 2025
38AQI
15th 四月 2025
32AQI
16th 四月 2025
17AQI
17th 四月 2025
21AQI
18th 四月 2025
42AQI
19th 四月 2025
54AQI
20th 四月 2025
40AQI
21st 四月 2025
30AQI
22nd 四月 2025
34AQI
23rd 四月 2025
28AQI
24th 四月 2025
54AQI
25th 四月 2025
38AQI
26th 四月 2025
35AQI
27th 四月 2025
13AQI
28th 四月 2025
17AQI
29th 四月 2025
39AQI
30th 四月 2025
33AQI
1st 五月 2025
40AQI
2nd 五月 2025
45AQI
3rd 五月 2025
39AQI
4th 五月 2025
23AQI
5th 五月 2025
29AQI
6th 五月 2025
22AQI
7th 五月 2025
18AQI
8th 五月 2025
29AQI
9th 五月 2025
21AQI
10th 五月 2025
18AQI
11th 五月 2025
31AQI
12th 五月 2025
38AQI
13th 五月 2025
23AQI
14th 五月 2025
32AQI
15th 五月 2025
33AQI
16th 五月 2025
42AQI
17th 五月 2025
34AQI
18th 五月 2025
30AQI
19th 五月 2025
27AQI
20th 五月 2025
22AQI
21st 五月 2025
21AQI
22nd 五月 2025
14AQI
23rd 五月 2025
14AQI
24th 五月 2025
16AQI
25th 五月 2025
16AQI
26th 五月 2025
23AQI
27th 五月 2025
32AQI
28th 五月 2025
16AQI
29th 五月 2025
17AQI
30th 五月 2025
30AQI
31st 五月 2025
30AQI
1st 六月 2025
20AQI
2nd 六月 2025
21AQI
3rd 六月 2025
30AQI
4th 六月 2025
52AQI
5th 六月 2025
57AQI
6th 六月 2025
50AQI
7th 六月 2025
32AQI
8th 六月 2025
36AQI
9th 六月 2025
38AQI
10th 六月 2025
39AQI
11th 六月 2025
55AQI
12th 六月 2025
63AQI
13th 六月 2025
69AQI
14th 六月 2025
53AQI
15th 六月 2025
38AQI
16th 六月 2025
28AQI
17th 六月 2025
29AQI
18th 六月 2025
31AQI
19th 六月 2025
26AQI
20th 六月 2025
26AQI
21st 六月 2025
40AQI
22nd 六月 2025
43AQI
23rd 六月 2025
51AQI
24th 六月 2025
57AQI
25th 六月 2025
56AQI
26th 六月 2025
48AQI
27th 六月 2025
43AQI
28th 六月 2025
26AQI
29th 六月 2025
36AQI
30th 六月 2025
44AQI
1st 七月 2025
48AQI
2nd 七月 2025
30AQI
3rd 七月 2025
41AQI
4th 七月 2025
53AQI
5th 七月 2025
89AQI
6th 七月 2025
57AQI
7th 七月 2025
34AQI
8th 七月 2025
42AQI
9th 七月 2025
32AQI
10th 七月 2025
28AQI
11th 七月 2025
42AQI
12th 七月 2025
42AQI
13th 七月 2025
33AQI
14th 七月 2025
32AQI
15th 七月 2025
22AQI
16th 七月 2025
35AQI
17th 七月 2025
26AQI
18th 七月 2025
30AQI
19th 七月 2025
32AQI
20th 七月 2025
22AQI
21st 七月 2025
29AQI
22nd 七月 2025
46AQI
23rd 七月 2025
52AQI
24th 七月 2025
37AQI
25th 七月 2025
50AQI
26th 七月 2025
30AQI
27th 七月 2025
45AQI
28th 七月 2025
27AQI
29th 七月 2025
43AQI
30th 七月 2025
54AQI
31st 七月 2025
47AQI
1st 八月 2025
26AQI
2nd 八月 2025
33AQI
3rd 八月 2025
40AQI
4th 八月 2025
52AQI
5th 八月 2025
66AQI
6th 八月 2025
69AQI
7th 八月 2025
63AQI
8th 八月 2025
55AQI
9th 八月 2025
34AQI
10th 八月 2025
30AQI
11th 八月 2025
35AQI
12th 八月 2025
29AQI
13th 八月 2025
29AQI
14th 八月 2025
26AQI
15th 八月 2025
44AQI
16th 八月 2025
47AQI
17th 八月 2025
44AQI
18th 八月 2025
29AQI
19th 八月 2025
18AQI
20th 八月 2025
23AQI
21st 八月 2025
18AQI
22nd 八月 2025
22AQI
23rd 八月 2025
27AQI
24th 八月 2025
23AQI
25th 八月 2025
24AQI
26th 八月 2025
19AQI
27th 八月 2025
19AQI
28th 八月 2025
25AQI
29th 八月 2025
24AQI
30th 八月 2025
19AQI
31st 八月 2025
24AQI
1st 九月 2025
26AQI
2nd 九月 2025
23AQI
3rd 九月 2025
27AQI
4th 九月 2025
33AQI
5th 九月 2025
35AQI
6th 九月 2025
51AQI
7th 九月 2025
32AQI
8th 九月 2025
22AQI
9th 九月 2025
22AQI
10th 九月 2025
19AQI
11th 九月 2025
22AQI
12th 九月 2025
31AQI
13th 九月 2025
39AQI
14th 九月 2025
46AQI
15th 九月 2025
50AQI
16th 九月 2025
38AQI
17th 九月 2025
25AQI
18th 九月 2025
20AQI
19th 九月 2025
36AQI
20th 九月 2025
33AQI
21st 九月 2025
24AQI
22nd 九月 2025
24AQI
23rd 九月 2025
39AQI
24th 九月 2025
44AQI
25th 九月 2025
44AQI
26th 九月 2025
29AQI
27th 九月 2025
36AQI
28th 九月 2025
29AQI
29th 九月 2025
32AQI
30th 九月 2025
33AQI
1st 十月 2025
35AQI
2nd 十月 2025
34AQI
3rd 十月 2025
36AQI
4th 十月 2025
45AQI
5th 十月 2025
50AQI
6th 十月 2025
58AQI
7th 十月 2025
37AQI
8th 十月 2025
30AQI
9th 十月 2025
29AQI
10th 十月 2025
26AQI
11th 十月 2025
35AQI
12th 十月 2025
23AQI
13th 十月 2025
27AQI
14th 十月 2025
22AQI
15th 十月 2025
22AQI
16th 十月 2025
22AQI
17th 十月 2025
23AQI
18th 十月 2025
40AQI
19th 十月 2025
39AQI
20th 十月 2025
23AQI
21st 十月 2025
31AQI
22nd 十月 2025
26AQI
23rd 十月 2025
25AQI
24th 十月 2025
21AQI
25th 十月 2025
23AQI
26th 十月 2025
28AQI
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

33AQI

30AQI

29AQI

30AQI

27AQI

41AQI

40AQI

33AQI

32AQI

31AQI


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

202533AQI

29
2
27
1
30
1
28
2
31
21
9
26
5
26
5
29
1
25
1
272
27

最高AQI记录于

六月

41AQI


最低AQI记录于

五月

27AQI


202431AQI

26
5
26
3
31
29
1
31
20
9
18
13
28
3
30
31
30
28
3
328
37

最高AQI记录于

七月

46AQI


最低AQI记录于

三月

21AQI


202333AQI

30
1
26
2
29
2
26
2
24
5
14
12
2
2
26
5
31
30
31
27
2
28
3
322
34
2
2

最高AQI记录于

六月

60AQI


最低AQI记录于

十月

21AQI


202229AQI

26
4
21
31
29
28
3
27
3
19
3
1
29
31
29
1
26
5
297
19

最高AQI记录于

七月

37AQI


最低AQI记录于

四月

22AQI


202129AQI

26
4
23
5
29
2
30
31
30
22
9
31
28
2
30
1
29
1
29
2
338
26

最高AQI记录于

七月

41AQI


最低AQI记录于

五月

22AQI


202029AQI

12
1
20
16
26
2
27
4
31
30
31
28
2
30
1
251
10

最高AQI记录于

七月

35AQI


最低AQI记录于

四月

24AQI


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)
33AQI
污染最轻的记录年份
2021(平均)
29AQI


Howard County Near Road的年度2025 AQI(33)相比之前几年的平均百分比变化为8.7% (恶化 AQI):2020 (29), 2021 (29), 2022 (29), 2023 (33), 2024 (31)。