Changan, Hunan, China 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
差
150
不健康
200
严重
300
危险
301+
八月空气质量分析
Changan, Hunan, China
2021
2022
2023
2024
2025
AQI
.
天数
AQI趋势：最高与最低
最高AQI记录于
1st Aug 2021
110AQI最低AQI记录于
1st Aug 2024
23AQI同日分析（4th August ）：
在过去5年的这一天，AQI差异显著：2025年排名为3rd 最高，AQI为62，属于适中空气质量，比2023和2021年有所改善。
下载2024年度数据
全球空气质量报告
日夜AQI趋势：5th Aug - 6th Aug 2025
Changan, Hunan, China
AQI
天
夜晚
.
5 AM5th Aug 2025
7 PM
4 AM6th Aug 2025
白天时间
平均最高时间
12AMNaNth undefined
AQI
平均最低时间
12AMNaNth undefined
AQI
夜晚时间
平均最高时间
8AM5th Aug
66AQI
平均最低时间
5PM5th Aug
46AQI
在过去的24小时内，
Changan的AQI最高点为66，出现在夜晚的8 AM；最低点为undefined，出现在夜晚的4 AM。
日夜AQI趋势：Jul - Aug 2025
Changan, Hunan, China
JulAug
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th
天
夜晚
7th Jul 2025555 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025557 AMAQI
7th Jul 2025598 AMAQI
7th Jul 2025649 AMAQI
7th Jul 20256110 AMAQI
7th Jul 20257011 AMAQI
7th Jul 20256812 PMAQI
7th Jul 2025701 PMAQI
7th Jul 2025662 PMAQI
7th Jul 2025683 PMAQI
7th Jul 2025674 PMAQI
7th Jul 2025655 PMAQI
7th Jul 2025616 PMAQI
7th Jul 2025627 PMAQI
7th Jul 2025628 PMAQI
7th Jul 2025629 PMAQI
7th Jul 20256210 PMAQI
7th Jul 20256111 PMAQI
8th Jul 20256212 AMAQI
8th Jul 2025571 AMAQI
8th Jul 2025572 AMAQI
8th Jul 2025573 AMAQI
8th Jul 2025584 AMAQI
32°C27/38°C
8th Jul 2025585 AMAQI
8th Jul 2025586 AMAQI
8th Jul 2025587 AMAQI
8th Jul 2025708 AMAQI
8th Jul 2025799 AMAQI
8th Jul 20257910 AMAQI
8th Jul 20257211 AMAQI
8th Jul 20257012 PMAQI
8th Jul 2025681 PMAQI
8th Jul 2025682 PMAQI
8th Jul 2025683 PMAQI
8th Jul 2025684 PMAQI
8th Jul 2025685 PMAQI
8th Jul 2025586 PMAQI
8th Jul 2025547 PMAQI
8th Jul 2025598 PMAQI
8th Jul 2025639 PMAQI
8th Jul 20256410 PMAQI
8th Jul 20256211 PMAQI
9th Jul 20256312 AMAQI
9th Jul 2025601 AMAQI
9th Jul 2025612 AMAQI
9th Jul 2025613 AMAQI
9th Jul 2025634 AMAQI
32°C28/38°C
9th Jul 2025635 AMAQI
9th Jul 2025636 AMAQI
9th Jul 2025637 AMAQI
9th Jul 2025668 AMAQI
9th Jul 2025619 AMAQI
9th Jul 20255110 AMAQI
9th Jul 20254411 AMAQI
9th Jul 20254912 PMAQI
9th Jul 2025481 PMAQI
9th Jul 2025492 PMAQI
9th Jul 2025503 PMAQI
9th Jul 2025514 PMAQI
9th Jul 2025475 PMAQI
9th Jul 2025486 PMAQI
9th Jul 2025527 PMAQI
9th Jul 2025618 PMAQI
9th Jul 2025629 PMAQI
9th Jul 20256210 PMAQI
9th Jul 20256011 PMAQI
10th Jul 20256012 AMAQI
10th Jul 2025621 AMAQI
10th Jul 2025622 AMAQI
10th Jul 2025623 AMAQI
10th Jul 2025624 AMAQI
30°C26/34°C
10th Jul 2025625 AMAQI
10th Jul 2025626 AMAQI
10th Jul 2025627 AMAQI
10th Jul 2025508 AMAQI
10th Jul 2025529 AMAQI
10th Jul 20254610 AMAQI
10th Jul 20255111 AMAQI
10th Jul 20255312 PMAQI
10th Jul 2025511 PMAQI
10th Jul 2025512 PMAQI
10th Jul 2025523 PMAQI
10th Jul 2025544 PMAQI
10th Jul 2025515 PMAQI
10th Jul 2025486 PMAQI
10th Jul 2025527 PMAQI
10th Jul 2025598 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255910 PMAQI
10th Jul 20256011 PMAQI
11th Jul 20256012 AMAQI
11th Jul 2025601 AMAQI
11th Jul 2025612 AMAQI
11th Jul 2025613 AMAQI
11th Jul 2025604 AMAQI
30°C26/34°C
11th Jul 2025605 AMAQI
11th Jul 2025616 AMAQI
11th Jul 2025607 AMAQI
11th Jul 2025688 AMAQI
11th Jul 2025719 AMAQI
11th Jul 20257210 AMAQI
11th Jul 20257611 AMAQI
11th Jul 20257112 PMAQI
11th Jul 2025681 PMAQI
11th Jul 2025672 PMAQI
11th Jul 2025643 PMAQI
11th Jul 2025644 PMAQI
11th Jul 2025635 PMAQI
11th Jul 2025606 PMAQI
11th Jul 2025627 PMAQI
11th Jul 2025628 PMAQI
11th Jul 2025629 PMAQI
11th Jul 20256210 PMAQI
11th Jul 20256211 PMAQI
12th Jul 20256112 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025602 AMAQI
12th Jul 2025613 AMAQI
12th Jul 2025624 AMAQI
30°C25/34°C
12th Jul 2025625 AMAQI
12th Jul 2025616 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025578 AMAQI
12th Jul 2025599 AMAQI
12th Jul 20256110 AMAQI
12th Jul 20256211 AMAQI
12th Jul 20256212 PMAQI
12th Jul 2025601 PMAQI
12th Jul 2025632 PMAQI
12th Jul 2025603 PMAQI
12th Jul 2025624 PMAQI
12th Jul 2025615 PMAQI
12th Jul 2025606 PMAQI
12th Jul 2025557 PMAQI
12th Jul 2025598 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20256010 PMAQI
12th Jul 20255911 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025601 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
13th Jul 2025624 AMAQI
29°C25/33°C
13th Jul 2025615 AMAQI
13th Jul 2025616 AMAQI
13th Jul 2025617 AMAQI
13th Jul 2025528 AMAQI
13th Jul 2025529 AMAQI
13th Jul 20255210 AMAQI
13th Jul 20255411 AMAQI
13th Jul 20255512 PMAQI
13th Jul 2025551 PMAQI
13th Jul 2025532 PMAQI
13th Jul 2025553 PMAQI
13th Jul 2025524 PMAQI
13th Jul 2025545 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025557 PMAQI
13th Jul 2025588 PMAQI
13th Jul 2025599 PMAQI
13th Jul 20255910 PMAQI
13th Jul 20256011 PMAQI
14th Jul 20255912 AMAQI
14th Jul 2025601 AMAQI
14th Jul 2025602 AMAQI
14th Jul 2025603 AMAQI
14th Jul 2025594 AMAQI
29°C25/34°C
14th Jul 2025605 AMAQI
14th Jul 2025596 AMAQI
14th Jul 2025597 AMAQI
14th Jul 2025608 AMAQI
14th Jul 2025609 AMAQI
14th Jul 20255710 AMAQI
14th Jul 20255611 AMAQI
14th Jul 20255712 PMAQI
14th Jul 2025571 PMAQI
14th Jul 2025572 PMAQI
14th Jul 2025603 PMAQI
14th Jul 2025564 PMAQI
14th Jul 2025575 PMAQI
14th Jul 2025586 PMAQI
14th Jul 2025597 PMAQI
14th Jul 2025588 PMAQI
14th Jul 2025589 PMAQI
14th Jul 20255810 PMAQI
14th Jul 20255911 PMAQI
15th Jul 20255812 AMAQI
15th Jul 2025601 AMAQI
15th Jul 2025592 AMAQI
15th Jul 2025593 AMAQI
15th Jul 2025604 AMAQI
31°C26/36°C
15th Jul 2025605 AMAQI
15th Jul 2025606 AMAQI
15th Jul 2025607 AMAQI
15th Jul 2025588 AMAQI
15th Jul 2025639 AMAQI
15th Jul 20256210 AMAQI
15th Jul 20256411 AMAQI
15th Jul 20256112 PMAQI
15th Jul 2025621 PMAQI
15th Jul 2025592 PMAQI
15th Jul 2025593 PMAQI
15th Jul 2025584 PMAQI
15th Jul 2025575 PMAQI
15th Jul 2025576 PMAQI
15th Jul 2025577 PMAQI
15th Jul 2025608 PMAQI
15th Jul 2025619 PMAQI
15th Jul 20256210 PMAQI
15th Jul 20256111 PMAQI
16th Jul 20256012 AMAQI
16th Jul 2025591 AMAQI
16th Jul 2025592 AMAQI
16th Jul 2025593 AMAQI
16th Jul 2025604 AMAQI
33°C28/38°C
16th Jul 2025605 AMAQI
16th Jul 2025606 AMAQI
16th Jul 2025597 AMAQI
16th Jul 2025608 AMAQI
16th Jul 2025579 AMAQI
16th Jul 20255810 AMAQI
16th Jul 20255211 AMAQI
16th Jul 20255612 PMAQI
16th Jul 2025561 PMAQI
16th Jul 2025582 PMAQI
16th Jul 2025563 PMAQI
16th Jul 2025554 PMAQI
16th Jul 2025555 PMAQI
16th Jul 2025556 PMAQI
16th Jul 2025567 PMAQI
16th Jul 2025628 PMAQI
16th Jul 2025629 PMAQI
16th Jul 20256210 PMAQI
16th Jul 20256211 PMAQI
17th Jul 20256112 AMAQI
17th Jul 2025611 AMAQI
17th Jul 2025602 AMAQI
17th Jul 2025603 AMAQI
17th Jul 2025604 AMAQI
33°C29/39°C
17th Jul 2025605 AMAQI
17th Jul 2025606 AMAQI
17th Jul 2025607 AMAQI
17th Jul 2025578 AMAQI
17th Jul 2025549 AMAQI
17th Jul 20255910 AMAQI
17th Jul 20255611 AMAQI
17th Jul 20255812 PMAQI
17th Jul 2025571 PMAQI
17th Jul 2025582 PMAQI
17th Jul 2025583 PMAQI
17th Jul 2025604 PMAQI
17th Jul 2025635 PMAQI
17th Jul 2025666 PMAQI
17th Jul 2025677 PMAQI
17th Jul 2025648 PMAQI
17th Jul 2025639 PMAQI
17th Jul 20256310 PMAQI
17th Jul 20256311 PMAQI
18th Jul 20256212 AMAQI
18th Jul 2025601 AMAQI
18th Jul 2025602 AMAQI
18th Jul 2025613 AMAQI
18th Jul 2025604 AMAQI
30°C28/35°C
18th Jul 2025605 AMAQI
18th Jul 2025606 AMAQI
18th Jul 2025607 AMAQI
18th Jul 2025608 AMAQI
18th Jul 2025579 AMAQI
18th Jul 20255810 AMAQI
18th Jul 20255411 AMAQI
18th Jul 20256012 PMAQI
18th Jul 2025581 PMAQI
18th Jul 2025652 PMAQI
18th Jul 2025613 PMAQI
18th Jul 2025564 PMAQI
18th Jul 2025515 PMAQI
18th Jul 2025526 PMAQI
18th Jul 2025547 PMAQI
18th Jul 2025608 PMAQI
18th Jul 2025619 PMAQI
18th Jul 20256210 PMAQI
18th Jul 20256211 PMAQI
19th Jul 20256212 AMAQI
19th Jul 2025621 AMAQI
19th Jul 2025622 AMAQI
19th Jul 2025623 AMAQI
19th Jul 2025624 AMAQI
31°C27/37°C
19th Jul 2025615 AMAQI
19th Jul 2025626 AMAQI
19th Jul 2025627 AMAQI
19th Jul 2025648 AMAQI
19th Jul 2025639 AMAQI
19th Jul 20256210 AMAQI
19th Jul 20256211 AMAQI
19th Jul 20256412 PMAQI
19th Jul 2025651 PMAQI
19th Jul 2025672 PMAQI
19th Jul 2025663 PMAQI
19th Jul 2025664 PMAQI
19th Jul 2025625 PMAQI
19th Jul 2025606 PMAQI
19th Jul 2025617 PMAQI
19th Jul 2025638 PMAQI
19th Jul 2025639 PMAQI
19th Jul 20256310 PMAQI
19th Jul 20256411 PMAQI
20th Jul 20256412 AMAQI
20th Jul 2025621 AMAQI
20th Jul 2025622 AMAQI
20th Jul 2025623 AMAQI
20th Jul 2025624 AMAQI
30°C26/35°C
20th Jul 2025625 AMAQI
20th Jul 2025636 AMAQI
20th Jul 2025627 AMAQI
20th Jul 2025638 AMAQI
20th Jul 2025629 AMAQI
20th Jul 20256610 AMAQI
20th Jul 20255811 AMAQI
20th Jul 20256612 PMAQI
20th Jul 2025531 PMAQI
20th Jul 2025522 PMAQI
20th Jul 2025503 PMAQI
20th Jul 2025524 PMAQI
20th Jul 2025445 PMAQI
20th Jul 2025356 PMAQI
20th Jul 2025347 PMAQI
20th Jul 2025558 PMAQI
20th Jul 2025559 PMAQI
20th Jul 20255510 PMAQI
20th Jul 20255211 PMAQI
21st Jul 20255512 AMAQI
21st Jul 2025621 AMAQI
21st Jul 2025632 AMAQI
21st Jul 2025633 AMAQI
21st Jul 2025634 AMAQI
30°C27/34°C
21st Jul 2025625 AMAQI
21st Jul 2025636 AMAQI
21st Jul 2025627 AMAQI
21st Jul 2025468 AMAQI
21st Jul 2025329 AMAQI
21st Jul 20252510 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20252412 PMAQI
21st Jul 2025271 PMAQI
21st Jul 2025252 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025244 PMAQI
21st Jul 2025285 PMAQI
21st Jul 2025336 PMAQI
21st Jul 2025337 PMAQI
21st Jul 2025528 PMAQI
21st Jul 2025549 PMAQI
21st Jul 20255510 PMAQI
21st Jul 20255511 PMAQI
22nd Jul 20255812 AMAQI
22nd Jul 2025611 AMAQI
22nd Jul 2025622 AMAQI
22nd Jul 2025603 AMAQI
22nd Jul 2025584 AMAQI
31°C26/36°C
22nd Jul 2025575 AMAQI
22nd Jul 2025576 AMAQI
22nd Jul 2025577 AMAQI
22nd Jul 2025298 AMAQI
22nd Jul 2025199 AMAQI
22nd Jul 20252010 AMAQI
22nd Jul 20252011 AMAQI
22nd Jul 20252612 PMAQI
22nd Jul 2025331 PMAQI
22nd Jul 2025312 PMAQI
22nd Jul 2025293 PMAQI
22nd Jul 2025214 PMAQI
22nd Jul 2025195 PMAQI
22nd Jul 2025206 PMAQI
22nd Jul 2025277 PMAQI
22nd Jul 2025468 PMAQI
22nd Jul 2025479 PMAQI
22nd Jul 20254810 PMAQI
22nd Jul 20254811 PMAQI
23rd Jul 20254912 AMAQI
23rd Jul 2025561 AMAQI
23rd Jul 2025592 AMAQI
23rd Jul 2025583 AMAQI
23rd Jul 2025544 AMAQI
29°C26/33°C
23rd Jul 2025545 AMAQI
23rd Jul 2025546 AMAQI
23rd Jul 2025547 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20252110 AMAQI
23rd Jul 20252111 AMAQI
23rd Jul 20252312 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025242 PMAQI
23rd Jul 2025233 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025215 PMAQI
23rd Jul 2025226 PMAQI
23rd Jul 2025337 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025419 PMAQI
23rd Jul 20254110 PMAQI
23rd Jul 20254111 PMAQI
24th Jul 20254212 AMAQI
24th Jul 2025411 AMAQI
24th Jul 2025522 AMAQI
24th Jul 2025553 AMAQI
24th Jul 2025524 AMAQI
28°C25/30°C
24th Jul 2025525 AMAQI
24th Jul 2025526 AMAQI
24th Jul 2025527 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025329 AMAQI
24th Jul 20252910 AMAQI
24th Jul 20253511 AMAQI
24th Jul 20254112 PMAQI
24th Jul 2025441 PMAQI
24th Jul 2025432 PMAQI
24th Jul 2025503 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025466 PMAQI
24th Jul 2025507 PMAQI
24th Jul 2025508 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20254410 PMAQI
24th Jul 20254811 PMAQI
25th Jul 20254412 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025523 AMAQI
25th Jul 2025524 AMAQI
30°C25/35°C
25th Jul 2025515 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025488 AMAQI
25th Jul 2025539 AMAQI
25th Jul 20255010 AMAQI
25th Jul 20255411 AMAQI
25th Jul 20255412 PMAQI
25th Jul 2025601 PMAQI
25th Jul 2025602 PMAQI
25th Jul 2025593 PMAQI
25th Jul 2025544 PMAQI
25th Jul 2025415 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025427 PMAQI
25th Jul 2025488 PMAQI
25th Jul 2025529 PMAQI
25th Jul 20255010 PMAQI
25th Jul 20255211 PMAQI
26th Jul 20255212 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025524 AMAQI
31°C26/37°C
26th Jul 2025525 AMAQI
26th Jul 2025526 AMAQI
26th Jul 2025527 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025529 AMAQI
26th Jul 20255710 AMAQI
26th Jul 20256011 AMAQI
26th Jul 20256212 PMAQI
26th Jul 2025641 PMAQI
26th Jul 2025582 PMAQI
26th Jul 2025553 PMAQI
26th Jul 2025534 PMAQI
26th Jul 2025565 PMAQI
26th Jul 2025546 PMAQI
26th Jul 2025557 PMAQI
26th Jul 2025588 PMAQI
26th Jul 2025589 PMAQI
26th Jul 20255610 PMAQI
26th Jul 20255511 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025531 AMAQI
27th Jul 2025532 AMAQI
27th Jul 2025533 AMAQI
27th Jul 2025544 AMAQI
31°C27/36°C
27th Jul 2025545 AMAQI
27th Jul 2025546 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025528 AMAQI
27th Jul 2025519 AMAQI
27th Jul 20254310 AMAQI
27th Jul 20254311 AMAQI
27th Jul 20254012 PMAQI
27th Jul 2025431 PMAQI
27th Jul 2025362 PMAQI
27th Jul 2025333 PMAQI
27th Jul 2025354 PMAQI
27th Jul 2025355 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025417 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025519 PMAQI
27th Jul 20254810 PMAQI
27th Jul 20255011 PMAQI
28th Jul 20254812 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025534 AMAQI
30°C26/34°C
28th Jul 2025535 AMAQI
28th Jul 2025536 AMAQI
28th Jul 2025537 AMAQI
28th Jul 2025538 AMAQI
28th Jul 2025499 AMAQI
28th Jul 20253610 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20255512 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025493 PMAQI
28th Jul 2025504 PMAQI
28th Jul 2025525 PMAQI
28th Jul 2025476 PMAQI
28th Jul 2025497 PMAQI
28th Jul 2025468 PMAQI
28th Jul 2025489 PMAQI
28th Jul 20255210 PMAQI
28th Jul 20255411 PMAQI
29th Jul 20255412 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025544 AMAQI
30°C26/34°C
29th Jul 2025545 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025558 AMAQI
29th Jul 2025509 AMAQI
29th Jul 20255310 AMAQI
29th Jul 20254911 AMAQI
29th Jul 20254812 PMAQI
29th Jul 2025481 PMAQI
29th Jul 2025512 PMAQI
29th Jul 2025553 PMAQI
29th Jul 2025334 PMAQI
29th Jul 2025345 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025337 PMAQI
29th Jul 2025518 PMAQI
29th Jul 2025479 PMAQI
29th Jul 20255210 PMAQI
29th Jul 20255411 PMAQI
30th Jul 20255612 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025544 AMAQI
30°C25/35°C
30th Jul 2025545 AMAQI
30th Jul 2025546 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025558 AMAQI
30th Jul 2025509 AMAQI
30th Jul 20255410 AMAQI
30th Jul 20255111 AMAQI
30th Jul 20255212 PMAQI
30th Jul 2025421 PMAQI
30th Jul 2025422 PMAQI
30th Jul 2025343 PMAQI
30th Jul 2025514 PMAQI
30th Jul 2025505 PMAQI
30th Jul 2025546 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025568 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255712 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025553 AMAQI
31st Jul 2025554 AMAQI
30°C26/34°C
31st Jul 2025555 AMAQI
31st Jul 2025556 AMAQI
31st Jul 2025557 AMAQI
31st Jul 2025558 AMAQI
31st Jul 2025559 AMAQI
31st Jul 20255310 AMAQI
31st Jul 20255711 AMAQI
31st Jul 20256312 PMAQI
31st Jul 2025581 PMAQI
31st Jul 2025582 PMAQI
31st Jul 2025543 PMAQI
31st Jul 2025544 PMAQI
31st Jul 2025535 PMAQI
31st Jul 2025556 PMAQI
31st Jul 2025547 PMAQI
31st Jul 2025598 PMAQI
31st Jul 2025609 PMAQI
31st Jul 20256210 PMAQI
31st Jul 20256111 PMAQI
1st Aug 20256412 AMAQI
1st Aug 2025581 AMAQI
1st Aug 2025572 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025584 AMAQI
29°C25/34°C
1st Aug 2025575 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025577 AMAQI
1st Aug 2025688 AMAQI
1st Aug 2025629 AMAQI
1st Aug 20257410 AMAQI
1st Aug 20256511 AMAQI
1st Aug 20256412 PMAQI
1st Aug 2025691 PMAQI
1st Aug 2025722 PMAQI
1st Aug 2025693 PMAQI
1st Aug 2025674 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025636 PMAQI
1st Aug 2025637 PMAQI
1st Aug 2025648 PMAQI
1st Aug 2025639 PMAQI
1st Aug 20256610 PMAQI
1st Aug 20256611 PMAQI
2nd Aug 20256312 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025593 AMAQI
2nd Aug 2025604 AMAQI
31°C26/36°C
2nd Aug 2025605 AMAQI
2nd Aug 2025606 AMAQI
2nd Aug 2025607 AMAQI
2nd Aug 2025808 AMAQI
2nd Aug 2025809 AMAQI
2nd Aug 20257310 AMAQI
2nd Aug 20257511 AMAQI
2nd Aug 20258112 PMAQI
2nd Aug 2025771 PMAQI
2nd Aug 2025712 PMAQI
2nd Aug 2025663 PMAQI
2nd Aug 2025604 PMAQI
2nd Aug 2025625 PMAQI
2nd Aug 2025666 PMAQI
2nd Aug 2025687 PMAQI
2nd Aug 2025648 PMAQI
2nd Aug 2025689 PMAQI
2nd Aug 20257010 PMAQI
2nd Aug 20256911 PMAQI
3rd Aug 20256812 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025592 AMAQI
3rd Aug 2025623 AMAQI
3rd Aug 2025634 AMAQI
31°C27/36°C
3rd Aug 2025635 AMAQI
3rd Aug 2025626 AMAQI
3rd Aug 2025637 AMAQI
3rd Aug 2025748 AMAQI
3rd Aug 2025809 AMAQI
3rd Aug 20257810 AMAQI
3rd Aug 20257411 AMAQI
3rd Aug 20257212 PMAQI
3rd Aug 2025721 PMAQI
3rd Aug 2025702 PMAQI
3rd Aug 2025683 PMAQI
3rd Aug 2025624 PMAQI
3rd Aug 2025575 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025637 PMAQI
3rd Aug 2025648 PMAQI
3rd Aug 2025659 PMAQI
3rd Aug 20256810 PMAQI
3rd Aug 20256611 PMAQI
4th Aug 20256112 AMAQI
4th Aug 2025611 AMAQI
4th Aug 2025612 AMAQI
4th Aug 2025633 AMAQI
4th Aug 2025634 AMAQI
32°C28/38°C
4th Aug 2025645 AMAQI
4th Aug 2025646 AMAQI
4th Aug 2025647 AMAQI
4th Aug 2025648 AMAQI
4th Aug 2025699 AMAQI
4th Aug 20256510 AMAQI
4th Aug 20256711 AMAQI
4th Aug 20256712 PMAQI
4th Aug 2025601 PMAQI
4th Aug 2025622 PMAQI
4th Aug 2025543 PMAQI
4th Aug 2025584 PMAQI
4th Aug 2025505 PMAQI
4th Aug 2025526 PMAQI
4th Aug 2025587 PMAQI
4th Aug 2025588 PMAQI
4th Aug 2025619 PMAQI
4th Aug 20256110 PMAQI
4th Aug 20256211 PMAQI
5th Aug 20256212 AMAQI
5th Aug 2025601 AMAQI
5th Aug 2025602 AMAQI
5th Aug 2025623 AMAQI
5th Aug 2025634 AMAQI
33°C29/38°C
5th Aug 2025625 AMAQI
5th Aug 2025636 AMAQI
5th Aug 2025637 AMAQI
5th Aug 2025668 AMAQI
5th Aug 2025579 AMAQI
5th Aug 20255810 AMAQI
5th Aug 20256011 AMAQI
5th Aug 20255612 PMAQI
5th Aug 2025641 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025493 PMAQI
5th Aug 2025474 PMAQI
5th Aug 2025465 PMAQI
5th Aug 2025586 PMAQI
5th Aug 2025607 PMAQI
5th Aug 2025608 PMAQI
5th Aug 2025599 PMAQI
5th Aug 20255910 PMAQI
5th Aug 20255711 PMAQI
6th Aug 20256212 AMAQI
6th Aug 2025621 AMAQI
6th Aug 2025622 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
白天时间
平均最高时间
5 AM - 7 PM
55AQI
15 小时 / 天
450 小时 / 月
平均最低时间
5 AM - 7 PM
55AQI
15 小时 / 天
450 小时 / 月
过去30天中，白天AQI最高值为5 AM到7 PM（平均55），最低值为5 AM到7 PM（平均55）。
夜晚时间
平均最高时间
12 AM - 11 PM
58AQI
9 小时 / 天
270 小时 / 月
平均最低时间
12 AM - 11 PM
58AQI
9 小时 / 天
270 小时 / 月
过去30天中，夜间AQI最高值为12 AM到11 PM（平均58），最低值为12 AM到11 PM（平均58）。
2025空气质量与天数对比
Changan, Hunan, China
2025
10%
21
56%
120
27%
59
6%
13
1%
3
在2025年的最后217天中，不同AQI类别的总天数 (剩余 148 天)
良好
21 天数适中
120 天数差
59 天数不健康
13 天数严重
3 天数危险
0 天数在WHO安全空气质量限制内：10%
健康风险级别:
极高
年度空气质量洞察
Changan, Hunan, China
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
1st 一月 2025
158AQI
158AQI
2nd 一月 2025
174AQI
174AQI
3rd 一月 2025
187AQI
187AQI
4th 一月 2025
210AQI
210AQI
5th 一月 2025
150AQI
150AQI
6th 一月 2025
161AQI
161AQI
7th 一月 2025
143AQI
143AQI
8th 一月 2025
153AQI
153AQI
9th 一月 2025
127AQI
127AQI
10th 一月 2025
120AQI
120AQI
11th 一月 2025
134AQI
134AQI
12th 一月 2025
130AQI
130AQI
13th 一月 2025
142AQI
142AQI
14th 一月 2025
157AQI
157AQI
15th 一月 2025
111AQI
111AQI
16th 一月 2025
129AQI
129AQI
17th 一月 2025
123AQI
123AQI
18th 一月 2025
153AQI
153AQI
19th 一月 2025
150AQI
150AQI
20th 一月 2025
167AQI
167AQI
21st 一月 2025
153AQI
153AQI
22nd 一月 2025
171AQI
171AQI
23rd 一月 2025
205AQI
205AQI
24th 一月 2025
165AQI
165AQI
25th 一月 2025
97AQI
97AQI
26th 一月 2025
99AQI
99AQI
27th 一月 2025
91AQI
91AQI
28th 一月 2025
125AQI
125AQI
29th 一月 2025
148AQI
148AQI
30th 一月 2025
127AQI
127AQI
31st 一月 2025
166AQI
166AQI
1st 二月 2025
129AQI
129AQI
2nd 二月 2025
129AQI
129AQI
3rd 二月 2025
144AQI
144AQI
4th 二月 2025
126AQI
126AQI
5th 二月 2025
124AQI
124AQI
6th 二月 2025
104AQI
104AQI
7th 二月 2025
108AQI
108AQI
8th 二月 2025
75AQI
75AQI
9th 二月 2025
86AQI
86AQI
10th 二月 2025
104AQI
104AQI
11th 二月 2025
105AQI
105AQI
12th 二月 2025
128AQI
128AQI
13th 二月 2025
145AQI
145AQI
14th 二月 2025
148AQI
148AQI
15th 二月 2025
154AQI
154AQI
16th 二月 2025
124AQI
124AQI
17th 二月 2025
105AQI
105AQI
18th 二月 2025
91AQI
91AQI
19th 二月 2025
100AQI
100AQI
20th 二月 2025
119AQI
119AQI
21st 二月 2025
132AQI
132AQI
22nd 二月 2025
82AQI
82AQI
23rd 二月 2025
149AQI
149AQI
24th 二月 2025
134AQI
134AQI
25th 二月 2025
139AQI
139AQI
26th 二月 2025
120AQI
120AQI
27th 二月 2025
106AQI
106AQI
28th 二月 2025
110AQI
110AQI
1st 三月 2025
93AQI
93AQI
2nd 三月 2025
77AQI
77AQI
3rd 三月 2025
54AQI
54AQI
4th 三月 2025
83AQI
83AQI
5th 三月 2025
77AQI
77AQI
6th 三月 2025
99AQI
99AQI
7th 三月 2025
108AQI
108AQI
8th 三月 2025
101AQI
101AQI
9th 三月 2025
104AQI
104AQI
10th 三月 2025
99AQI
99AQI
11th 三月 2025
86AQI
86AQI
12th 三月 2025
113AQI
113AQI
13th 三月 2025
93AQI
93AQI
14th 三月 2025
83AQI
83AQI
15th 三月 2025
73AQI
73AQI
16th 三月 2025
84AQI
84AQI
17th 三月 2025
74AQI
74AQI
18th 三月 2025
82AQI
82AQI
19th 三月 2025
81AQI
81AQI
20th 三月 2025
83AQI
83AQI
21st 三月 2025
81AQI
81AQI
22nd 三月 2025
88AQI
88AQI
23rd 三月 2025
110AQI
110AQI
24th 三月 2025
97AQI
97AQI
25th 三月 2025
104AQI
104AQI
26th 三月 2025
121AQI
121AQI
27th 三月 2025
120AQI
120AQI
28th 三月 2025
87AQI
87AQI
29th 三月 2025
94AQI
94AQI
30th 三月 2025
82AQI
82AQI
31st 三月 2025
96AQI
96AQI
1st 四月 2025
92AQI
92AQI
2nd 四月 2025
93AQI
93AQI
3rd 四月 2025
98AQI
98AQI
4th 四月 2025
107AQI
107AQI
5th 四月 2025
111AQI
111AQI
6th 四月 2025
103AQI
103AQI
7th 四月 2025
103AQI
103AQI
8th 四月 2025
114AQI
114AQI
9th 四月 2025
103AQI
103AQI
10th 四月 2025
94AQI
94AQI
11th 四月 2025
85AQI
85AQI
12th 四月 2025
262AQI
262AQI
13th 四月 2025
126AQI
126AQI
14th 四月 2025
144AQI
144AQI
15th 四月 2025
96AQI
96AQI
16th 四月 2025
105AQI
105AQI
17th 四月 2025
104AQI
104AQI
18th 四月 2025
98AQI
98AQI
19th 四月 2025
100AQI
100AQI
20th 四月 2025
108AQI
108AQI
21st 四月 2025
77AQI
77AQI
22nd 四月 2025
86AQI
86AQI
23rd 四月 2025
83AQI
83AQI
24th 四月 2025
75AQI
75AQI
25th 四月 2025
88AQI
88AQI
26th 四月 2025
74AQI
74AQI
27th 四月 2025
80AQI
80AQI
28th 四月 2025
94AQI
94AQI
29th 四月 2025
92AQI
92AQI
30th 四月 2025
78AQI
78AQI
1st 五月 2025
86AQI
86AQI
2nd 五月 2025
79AQI
79AQI
3rd 五月 2025
86AQI
86AQI
4th 五月 2025
91AQI
91AQI
5th 五月 2025
77AQI
77AQI
6th 五月 2025
106AQI
106AQI
7th 五月 2025
108AQI
108AQI
8th 五月 2025
73AQI
73AQI
9th 五月 2025
86AQI
86AQI
10th 五月 2025
78AQI
78AQI
11th 五月 2025
76AQI
76AQI
12th 五月 2025
81AQI
81AQI
13th 五月 2025
80AQI
80AQI
14th 五月 2025
101AQI
101AQI
15th 五月 2025
86AQI
86AQI
16th 五月 2025
71AQI
71AQI
17th 五月 2025
78AQI
78AQI
18th 五月 2025
103AQI
103AQI
19th 五月 2025
85AQI
85AQI
20th 五月 2025
68AQI
68AQI
21st 五月 2025
67AQI
67AQI
22nd 五月 2025
57AQI
57AQI
23rd 五月 2025
81AQI
81AQI
24th 五月 2025
92AQI
92AQI
25th 五月 2025
89AQI
89AQI
26th 五月 2025
88AQI
88AQI
27th 五月 2025
97AQI
97AQI
28th 五月 2025
72AQI
72AQI
29th 五月 2025
72AQI
72AQI
30th 五月 2025
56AQI
56AQI
31st 五月 2025
52AQI
52AQI
1st 六月 2025
46AQI
46AQI
2nd 六月 2025
59AQI
59AQI
3rd 六月 2025
69AQI
69AQI
4th 六月 2025
87AQI
87AQI
5th 六月 2025
73AQI
73AQI
6th 六月 2025
78AQI
78AQI
7th 六月 2025
66AQI
66AQI
8th 六月 2025
63AQI
63AQI
9th 六月 2025
69AQI
69AQI
10th 六月 2025
75AQI
75AQI
11th 六月 2025
64AQI
64AQI
12th 六月 2025
66AQI
66AQI
13th 六月 2025
61AQI
61AQI
14th 六月 2025
57AQI
57AQI
15th 六月 2025
62AQI
62AQI
16th 六月 2025
59AQI
59AQI
17th 六月 2025
52AQI
52AQI
18th 六月 2025
52AQI
52AQI
19th 六月 2025
51AQI
51AQI
20th 六月 2025
50AQI
50AQI
21st 六月 2025
47AQI
47AQI
22nd 六月 2025
39AQI
39AQI
23rd 六月 2025
42AQI
42AQI
24th 六月 2025
46AQI
46AQI
25th 六月 2025
50AQI
50AQI
26th 六月 2025
52AQI
52AQI
27th 六月 2025
54AQI
54AQI
28th 六月 2025
47AQI
47AQI
29th 六月 2025
45AQI
45AQI
30th 六月 2025
46AQI
46AQI
1st 七月 2025
45AQI
45AQI
2nd 七月 2025
42AQI
42AQI
3rd 七月 2025
42AQI
42AQI
4th 七月 2025
47AQI
47AQI
5th 七月 2025
54AQI
54AQI
6th 七月 2025
58AQI
58AQI
7th 七月 2025
60AQI
60AQI
8th 七月 2025
63AQI
63AQI
9th 七月 2025
58AQI
58AQI
10th 七月 2025
57AQI
57AQI
11th 七月 2025
63AQI
63AQI
12th 七月 2025
60AQI
60AQI
13th 七月 2025
57AQI
57AQI
14th 七月 2025
59AQI
59AQI
15th 七月 2025
59AQI
59AQI
16th 七月 2025
59AQI
59AQI
17th 七月 2025
61AQI
61AQI
18th 七月 2025
60AQI
60AQI
19th 七月 2025
62AQI
62AQI
20th 七月 2025
56AQI
56AQI
21st 七月 2025
46AQI
46AQI
22nd 七月 2025
41AQI
41AQI
23rd 七月 2025
39AQI
39AQI
24th 七月 2025
47AQI
47AQI
25th 七月 2025
50AQI
50AQI
26th 七月 2025
55AQI
55AQI
27th 七月 2025
47AQI
47AQI
28th 七月 2025
51AQI
51AQI
29th 七月 2025
49AQI
49AQI
30th 七月 2025
52AQI
52AQI
31st 七月 2025
56AQI
56AQI
1st 八月 2025
63AQI
63AQI
2nd 八月 2025
66AQI
66AQI
3rd 八月 2025
66AQI
66AQI
4th 八月 2025
62AQI
62AQI
146AQI
119AQI
91AQI
102AQI
81AQI
58AQI
53AQI
64AQI
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
202592AQI
3
14
12
2
5
22
1
23
8
18
11
1
27
4
10
20
11
20
4
21
120
59
13
3
最高AQI记录于
一月146AQI
最低AQI记录于
七月53AQI
202487AQI
1
7
17
6
2
13
9
5
19
12
2
27
1
4
25
2
20
10
24
7
6
24
1
21
9
1
12
15
3
2
10
14
4
1
23
7
62
176
103
25
最高AQI记录于
十二月134AQI
最低AQI记录于
七月38AQI
202388AQI
5
11
9
6
1
10
13
4
2
11
15
3
4
18
7
1
1
29
1
9
21
15
16
5
23
3
7
23
1
15
14
1
2
17
7
2
15
11
3
49
203
82
20
7
最高AQI记录于
一月151AQI
最低AQI记录于
七月52AQI
202294AQI
4
9
17
6
14
1
3
14
13
1
24
6
24
7
10
20
9
13
1
18
10
6
14
11
22
8
1
10
14
6
30
169
92
25
最高AQI记录于
一月148AQI
最低AQI记录于
八月47AQI
2021101AQI
2
17
12
7
17
4
18
12
1
18
12
1
24
6
1
21
8
2
28
1
1
17
3
3
21
6
22
6
3
14
8
8
5
13
13
8
197
109
41
最高AQI记录于
一月140AQI
最低AQI记录于
七月70AQI
202094AQI
2
5
4
2
12
9
10
8
4
26
4
25
2
5
22
4
4
19
7
4
13
13
1
14
16
2
8
21
23
148
71
24
最高AQI记录于
十二月154AQI
最低AQI记录于
六月68AQI
过去6年中污染最重与最轻的年份
污染最重的记录年份
2021(平均)
101AQI污染最轻的记录年份
2024(平均)
87AQIChangan的年度2025 AQI（92）相比之前几年的平均百分比变化为-0.4% (改善 AQI)：2020 (94), 2021 (101), 2022 (94), 2023 (88), 2024 (87)。
