Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Changan, Hunan, China Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

October Air Quality Analysis

Changan, Hunan, China

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
12th Oct 2025
172AQI
Lowest AQI recorded on
6th Oct 2022
19AQI

Same Day Analysis (3rd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 28 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2026

Changan, Hunan, China

AQI
Day
Night
.

6 AM2nd Oct 2026

6 PM

5 AM3rd Oct 2026

Day time
Avg. Highest Time
6AM2nd Oct

38AQI

Avg. Lowest Time
8AM2nd Oct

9AQI

Night time
Avg. Highest Time
3AM3rd Oct

81AQI

Avg. Lowest Time
7PM2nd Oct

27AQI

In the last 24 hours,

Changan's AQI reached its highest point of 81 at 3 AM during the Night, while the lowest point, 9, was recorded at 8 AM during the Day between 2nd Oct and 3rd Oct 2026.

Day & Night AQI Trend : Sep - Oct 2026

Changan, Hunan, China

SepOct
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Sep 2026606 AMAQI
4th Sep 2026647 AMAQI
4th Sep 2026608 AMAQI
4th Sep 2026669 AMAQI
4th Sep 20263810 AMAQI
4th Sep 20265811 AMAQI
4th Sep 20267212 PMAQI
4th Sep 2026641 PMAQI
4th Sep 2026592 PMAQI
4th Sep 2026623 PMAQI
4th Sep 2026644 PMAQI
4th Sep 2026605 PMAQI
4th Sep 2026546 PMAQI
4th Sep 2026547 PMAQI
4th Sep 2026408 PMAQI
4th Sep 2026499 PMAQI
4th Sep 20267810 PMAQI
4th Sep 20269011 PMAQI
5th Sep 202611212 AMAQI
5th Sep 2026901 AMAQI
5th Sep 2026672 AMAQI
5th Sep 2026843 AMAQI
5th Sep 2026904 AMAQI
5th Sep 2026885 AMAQI

23°C21/27°C

5th Sep 2026786 AMAQI
5th Sep 20261057 AMAQI
5th Sep 20261228 AMAQI
5th Sep 2026859 AMAQI
5th Sep 20268410 AMAQI
5th Sep 202614411 AMAQI
5th Sep 202612912 PMAQI
5th Sep 20261021 PMAQI
5th Sep 2026942 PMAQI
5th Sep 2026883 PMAQI
5th Sep 2026704 PMAQI
5th Sep 2026565 PMAQI
5th Sep 2026536 PMAQI
5th Sep 2026557 PMAQI
5th Sep 2026738 PMAQI
5th Sep 20261009 PMAQI
5th Sep 202611510 PMAQI
5th Sep 202610811 PMAQI
6th Sep 202610212 AMAQI
6th Sep 2026801 AMAQI
6th Sep 2026852 AMAQI
6th Sep 2026943 AMAQI
6th Sep 20261024 AMAQI
6th Sep 2026905 AMAQI

22°C21/24°C

6th Sep 2026906 AMAQI
6th Sep 2026867 AMAQI
6th Sep 20261128 AMAQI
6th Sep 20261219 AMAQI
6th Sep 202611410 AMAQI
6th Sep 202611911 AMAQI
6th Sep 20269612 PMAQI
6th Sep 2026991 PMAQI
6th Sep 2026972 PMAQI
6th Sep 2026843 PMAQI
6th Sep 2026794 PMAQI
6th Sep 2026685 PMAQI
6th Sep 2026696 PMAQI
6th Sep 2026507 PMAQI
6th Sep 2026408 PMAQI
6th Sep 2026409 PMAQI
6th Sep 20265410 PMAQI
6th Sep 20267011 PMAQI
7th Sep 202611512 AMAQI
7th Sep 20261401 AMAQI
7th Sep 20261042 AMAQI
7th Sep 20261143 AMAQI
7th Sep 20261124 AMAQI
7th Sep 2026925 AMAQI

24°C19/29°C

7th Sep 2026786 AMAQI
7th Sep 2026717 AMAQI
7th Sep 2026698 AMAQI
7th Sep 2026839 AMAQI
7th Sep 202611010 AMAQI
7th Sep 202612211 AMAQI
7th Sep 202613412 PMAQI
7th Sep 20261301 PMAQI
7th Sep 20261282 PMAQI
7th Sep 20261253 PMAQI
7th Sep 20261124 PMAQI
7th Sep 20261085 PMAQI
7th Sep 2026846 PMAQI
7th Sep 2026817 PMAQI
7th Sep 2026728 PMAQI
7th Sep 20261409 PMAQI
7th Sep 202610210 PMAQI
7th Sep 202610811 PMAQI
8th Sep 202615212 AMAQI
8th Sep 20261191 AMAQI
8th Sep 20261122 AMAQI
8th Sep 20261153 AMAQI
8th Sep 2026924 AMAQI
8th Sep 2026835 AMAQI

26°C21/31°C

8th Sep 2026796 AMAQI
8th Sep 2026737 AMAQI
8th Sep 2026678 AMAQI
8th Sep 2026689 AMAQI
8th Sep 20266810 AMAQI
8th Sep 20266711 AMAQI
8th Sep 202610212 PMAQI
8th Sep 20261251 PMAQI
8th Sep 20261312 PMAQI
8th Sep 2026873 PMAQI
8th Sep 2026674 PMAQI
8th Sep 2026425 PMAQI
8th Sep 2026696 PMAQI
8th Sep 2026597 PMAQI
8th Sep 2026458 PMAQI
8th Sep 2026599 PMAQI
8th Sep 202611210 PMAQI
8th Sep 202610011 PMAQI
9th Sep 202614612 AMAQI
9th Sep 20261291 AMAQI
9th Sep 2026872 AMAQI
9th Sep 2026743 AMAQI
9th Sep 2026694 AMAQI
9th Sep 2026645 AMAQI

27°C23/32°C

9th Sep 2026736 AMAQI
9th Sep 2026727 AMAQI
9th Sep 2026968 AMAQI
9th Sep 2026949 AMAQI
9th Sep 202611410 AMAQI
9th Sep 202610211 AMAQI
9th Sep 20268612 PMAQI
9th Sep 2026601 PMAQI
9th Sep 2026672 PMAQI
9th Sep 2026603 PMAQI
9th Sep 2026724 PMAQI
9th Sep 2026815 PMAQI
9th Sep 2026716 PMAQI
9th Sep 2026717 PMAQI
9th Sep 2026738 PMAQI
9th Sep 2026739 PMAQI
9th Sep 20267610 PMAQI
9th Sep 20267211 PMAQI
10th Sep 20266512 AMAQI
10th Sep 2026521 AMAQI
10th Sep 2026512 AMAQI
10th Sep 2026593 AMAQI
10th Sep 2026564 AMAQI
10th Sep 2026425 AMAQI

22°C19/26°C

10th Sep 2026366 AMAQI
10th Sep 2026507 AMAQI
10th Sep 2026318 AMAQI
10th Sep 2026309 AMAQI
10th Sep 20263410 AMAQI
10th Sep 20263411 AMAQI
10th Sep 20263512 PMAQI
10th Sep 2026421 PMAQI
10th Sep 2026422 PMAQI
10th Sep 2026523 PMAQI
10th Sep 2026514 PMAQI
10th Sep 2026575 PMAQI
10th Sep 2026596 PMAQI
10th Sep 2026677 PMAQI
10th Sep 2026488 PMAQI
10th Sep 2026519 PMAQI
10th Sep 20265410 PMAQI
10th Sep 20266011 PMAQI
11th Sep 20267412 AMAQI
11th Sep 2026831 AMAQI
11th Sep 2026732 AMAQI
11th Sep 2026703 AMAQI
11th Sep 2026784 AMAQI
11th Sep 2026725 AMAQI

20°C18/24°C

11th Sep 2026586 AMAQI
11th Sep 2026477 AMAQI
11th Sep 2026318 AMAQI
11th Sep 2026429 AMAQI
11th Sep 20264410 AMAQI
11th Sep 20264011 AMAQI
11th Sep 20265012 PMAQI
11th Sep 2026571 PMAQI
11th Sep 2026642 PMAQI
11th Sep 2026623 PMAQI
11th Sep 2026384 PMAQI
11th Sep 2026425 PMAQI
11th Sep 2026476 PMAQI
11th Sep 2026567 PMAQI
11th Sep 2026568 PMAQI
11th Sep 2026559 PMAQI
11th Sep 20267410 PMAQI
11th Sep 20267311 PMAQI
12th Sep 20269212 AMAQI
12th Sep 2026651 AMAQI
12th Sep 2026672 AMAQI
12th Sep 2026683 AMAQI
12th Sep 2026784 AMAQI
12th Sep 2026665 AMAQI

21°C15/26°C

12th Sep 2026836 AMAQI
12th Sep 2026767 AMAQI
12th Sep 2026808 AMAQI
12th Sep 2026789 AMAQI
12th Sep 20269510 AMAQI
12th Sep 20269011 AMAQI
12th Sep 20269512 PMAQI
12th Sep 20261081 PMAQI
12th Sep 2026972 PMAQI
12th Sep 2026923 PMAQI
12th Sep 2026844 PMAQI
12th Sep 2026725 PMAQI
12th Sep 2026656 PMAQI
12th Sep 2026627 PMAQI
12th Sep 2026448 PMAQI
12th Sep 2026489 PMAQI
12th Sep 20269010 PMAQI
12th Sep 20269911 PMAQI
13th Sep 202610912 AMAQI
13th Sep 20261161 AMAQI
13th Sep 20261422 AMAQI
13th Sep 20261333 AMAQI
13th Sep 2026965 AMAQI

23°C18/28°C

13th Sep 20261086 AMAQI
13th Sep 20261057 AMAQI
13th Sep 20261048 AMAQI
13th Sep 2026979 AMAQI
13th Sep 20268410 AMAQI
13th Sep 20268311 AMAQI
13th Sep 202610812 PMAQI
13th Sep 20261151 PMAQI
13th Sep 2026962 PMAQI
13th Sep 2026833 PMAQI
13th Sep 2026884 PMAQI
13th Sep 2026785 PMAQI
13th Sep 2026726 PMAQI
13th Sep 2026647 PMAQI
13th Sep 2026608 PMAQI
13th Sep 2026709 PMAQI
13th Sep 202610110 PMAQI
13th Sep 202611211 PMAQI
14th Sep 202614812 AMAQI
14th Sep 20261501 AMAQI
14th Sep 20261482 AMAQI
14th Sep 20261443 AMAQI
14th Sep 20261454 AMAQI
14th Sep 20261535 AMAQI

25°C20/31°C

14th Sep 20261526 AMAQI
14th Sep 20261427 AMAQI
14th Sep 20261528 AMAQI
14th Sep 20261469 AMAQI
14th Sep 202615210 AMAQI
14th Sep 202615011 AMAQI
14th Sep 202613812 PMAQI
14th Sep 20261151 PMAQI
14th Sep 20261142 PMAQI
14th Sep 2026923 PMAQI
14th Sep 2026884 PMAQI
14th Sep 2026885 PMAQI
14th Sep 20261006 PMAQI
14th Sep 2026897 PMAQI
14th Sep 2026748 PMAQI
14th Sep 2026789 PMAQI
14th Sep 202611610 PMAQI
14th Sep 202612611 PMAQI
15th Sep 202613212 AMAQI
15th Sep 20261311 AMAQI
15th Sep 20261082 AMAQI
15th Sep 20261343 AMAQI
15th Sep 20261244 AMAQI
15th Sep 20261125 AMAQI

25°C21/30°C

15th Sep 20261046 AMAQI
15th Sep 2026877 AMAQI
15th Sep 2026968 AMAQI
15th Sep 2026999 AMAQI
15th Sep 20265910 AMAQI
15th Sep 20267911 AMAQI
15th Sep 20268512 PMAQI
15th Sep 20261091 PMAQI
15th Sep 20261052 PMAQI
15th Sep 2026733 PMAQI
15th Sep 2026574 PMAQI
15th Sep 2026505 PMAQI
15th Sep 2026606 PMAQI
15th Sep 2026827 PMAQI
15th Sep 2026748 PMAQI
15th Sep 2026889 PMAQI
15th Sep 202610910 PMAQI
15th Sep 202614011 PMAQI
16th Sep 202614812 AMAQI
16th Sep 20261561 AMAQI
16th Sep 20261552 AMAQI
16th Sep 20261563 AMAQI
16th Sep 20261464 AMAQI
16th Sep 20261535 AMAQI

24°C21/29°C

16th Sep 20261626 AMAQI
16th Sep 20261607 AMAQI
16th Sep 20261598 AMAQI
16th Sep 20261459 AMAQI
16th Sep 202614510 AMAQI
16th Sep 202614211 AMAQI
16th Sep 202615312 PMAQI
16th Sep 20261531 PMAQI
16th Sep 20261412 PMAQI
16th Sep 2026923 PMAQI
16th Sep 2026904 PMAQI
16th Sep 2026925 PMAQI
16th Sep 2026766 PMAQI
16th Sep 2026787 PMAQI
16th Sep 20261048 PMAQI
16th Sep 20261309 PMAQI
16th Sep 202615210 PMAQI
16th Sep 202615611 PMAQI
17th Sep 202611912 AMAQI
17th Sep 2026711 AMAQI
17th Sep 2026582 AMAQI
17th Sep 2026503 AMAQI
17th Sep 2026334 AMAQI
17th Sep 2026215 AMAQI

23°C19/29°C

17th Sep 2026206 AMAQI
17th Sep 2026227 AMAQI
17th Sep 2026248 AMAQI
17th Sep 2026369 AMAQI
17th Sep 20264910 AMAQI
17th Sep 20265511 AMAQI
17th Sep 20265312 PMAQI
17th Sep 2026581 PMAQI
17th Sep 2026582 PMAQI
17th Sep 2026573 PMAQI
17th Sep 2026554 PMAQI
17th Sep 2026195 PMAQI
17th Sep 2026196 PMAQI
17th Sep 2026207 PMAQI
17th Sep 2026308 PMAQI
17th Sep 2026369 PMAQI
17th Sep 20263110 PMAQI
17th Sep 20263811 PMAQI
18th Sep 20263212 AMAQI
18th Sep 2026291 AMAQI
18th Sep 2026272 AMAQI
18th Sep 2026283 AMAQI
18th Sep 2026464 AMAQI
18th Sep 2026485 AMAQI

18°C17/21°C

18th Sep 2026596 AMAQI
18th Sep 2026707 AMAQI
18th Sep 2026698 AMAQI
18th Sep 2026719 AMAQI
18th Sep 20267010 AMAQI
18th Sep 20267311 AMAQI
18th Sep 20266512 PMAQI
18th Sep 2026791 PMAQI
18th Sep 2026852 PMAQI
18th Sep 2026763 PMAQI
18th Sep 2026744 PMAQI
18th Sep 2026785 PMAQI
18th Sep 2026676 PMAQI
18th Sep 2026717 PMAQI
18th Sep 2026708 PMAQI
18th Sep 2026789 PMAQI
18th Sep 20268410 PMAQI
18th Sep 20268811 PMAQI
19th Sep 20269212 AMAQI
19th Sep 2026901 AMAQI
19th Sep 20261082 AMAQI
19th Sep 2026943 AMAQI
19th Sep 2026904 AMAQI
19th Sep 20261365 AMAQI

22°C18/26°C

19th Sep 20261196 AMAQI
19th Sep 20261157 AMAQI
19th Sep 20261258 AMAQI
19th Sep 20261199 AMAQI
19th Sep 202611110 AMAQI
19th Sep 202615211 AMAQI
19th Sep 202614512 PMAQI
19th Sep 20261261 PMAQI
19th Sep 20261062 PMAQI
19th Sep 2026923 PMAQI
19th Sep 2026874 PMAQI
19th Sep 2026945 PMAQI
19th Sep 2026906 PMAQI
19th Sep 20261047 PMAQI
19th Sep 2026978 PMAQI
19th Sep 2026929 PMAQI
19th Sep 202611210 PMAQI
19th Sep 20269811 PMAQI
20th Sep 202611812 AMAQI
20th Sep 20261161 AMAQI
20th Sep 20261152 AMAQI
20th Sep 20261283 AMAQI
20th Sep 20261324 AMAQI
20th Sep 20261365 AMAQI

23°C21/28°C

20th Sep 20261446 AMAQI
20th Sep 20261287 AMAQI
20th Sep 20261288 AMAQI
20th Sep 20261069 AMAQI
20th Sep 202613510 AMAQI
20th Sep 202613911 AMAQI
20th Sep 202615012 PMAQI
20th Sep 2026901 PMAQI
20th Sep 2026732 PMAQI
20th Sep 2026583 PMAQI
20th Sep 2026574 PMAQI
20th Sep 2026625 PMAQI
20th Sep 2026726 PMAQI
20th Sep 2026797 PMAQI
20th Sep 2026928 PMAQI
20th Sep 20261169 PMAQI
20th Sep 202613810 PMAQI
20th Sep 202614611 PMAQI
21st Sep 202612612 AMAQI
21st Sep 20261481 AMAQI
21st Sep 20261512 AMAQI
21st Sep 20261323 AMAQI
21st Sep 20261254 AMAQI
21st Sep 20261455 AMAQI

26°C21/31°C

21st Sep 20261516 AMAQI
21st Sep 20261387 AMAQI
21st Sep 20261058 AMAQI
21st Sep 2026859 AMAQI
21st Sep 20269010 AMAQI
21st Sep 202610811 AMAQI
21st Sep 202612812 PMAQI
21st Sep 20261161 PMAQI
21st Sep 20261182 PMAQI
21st Sep 2026843 PMAQI
21st Sep 2026864 PMAQI
21st Sep 20261065 PMAQI
21st Sep 20261146 PMAQI
21st Sep 20261057 PMAQI
21st Sep 2026948 PMAQI
21st Sep 2026909 PMAQI
21st Sep 20268910 PMAQI
21st Sep 20269811 PMAQI
22nd Sep 20269412 AMAQI
22nd Sep 2026681 AMAQI
22nd Sep 2026422 AMAQI
22nd Sep 2026483 AMAQI
22nd Sep 2026424 AMAQI
22nd Sep 2026865 AMAQI

24°C21/27°C

22nd Sep 2026726 AMAQI
22nd Sep 2026537 AMAQI
22nd Sep 2026368 AMAQI
22nd Sep 2026339 AMAQI
22nd Sep 20262910 AMAQI
22nd Sep 20264011 AMAQI
22nd Sep 20262512 PMAQI
22nd Sep 2026461 PMAQI
22nd Sep 2026332 PMAQI
22nd Sep 2026253 PMAQI
22nd Sep 2026104 PMAQI
22nd Sep 202685 PMAQI
22nd Sep 2026216 PMAQI
22nd Sep 2026507 PMAQI
22nd Sep 2026318 PMAQI
22nd Sep 2026349 PMAQI
22nd Sep 20265210 PMAQI
22nd Sep 20266711 PMAQI
23rd Sep 20265812 AMAQI
23rd Sep 2026521 AMAQI
23rd Sep 2026532 AMAQI
23rd Sep 2026663 AMAQI
23rd Sep 2026864 AMAQI
23rd Sep 20261285 AMAQI

21°C20/24°C

23rd Sep 20261396 AMAQI
23rd Sep 20261207 AMAQI
23rd Sep 20261308 AMAQI
23rd Sep 20261459 AMAQI
23rd Sep 202614810 AMAQI
23rd Sep 202612211 AMAQI
23rd Sep 20269912 PMAQI
23rd Sep 20261041 PMAQI
23rd Sep 2026902 PMAQI
23rd Sep 2026593 PMAQI
23rd Sep 2026694 PMAQI
23rd Sep 2026745 PMAQI
23rd Sep 2026786 PMAQI
23rd Sep 2026787 PMAQI
23rd Sep 2026928 PMAQI
23rd Sep 2026989 PMAQI
23rd Sep 202610610 PMAQI
23rd Sep 202610511 PMAQI
24th Sep 20268212 AMAQI
24th Sep 2026831 AMAQI
24th Sep 2026962 AMAQI
24th Sep 2026823 AMAQI
24th Sep 2026764 AMAQI
24th Sep 2026825 AMAQI

23°C19/28°C

24th Sep 2026826 AMAQI
24th Sep 2026687 AMAQI
24th Sep 2026788 AMAQI
24th Sep 2026829 AMAQI
24th Sep 20268010 AMAQI
24th Sep 20268811 AMAQI
24th Sep 20269812 PMAQI
24th Sep 2026921 PMAQI
24th Sep 2026692 PMAQI
24th Sep 2026743 PMAQI
24th Sep 2026784 PMAQI
24th Sep 2026785 PMAQI
24th Sep 2026796 PMAQI
24th Sep 2026807 PMAQI
24th Sep 2026678 PMAQI
24th Sep 2026959 PMAQI
24th Sep 20269010 PMAQI
24th Sep 20269411 PMAQI
25th Sep 20269412 AMAQI
25th Sep 2026941 AMAQI
25th Sep 2026942 AMAQI
25th Sep 2026963 AMAQI
25th Sep 2026864 AMAQI
25th Sep 2026695 AMAQI

27°C22/33°C

25th Sep 2026706 AMAQI
25th Sep 2026797 AMAQI
25th Sep 2026748 AMAQI
25th Sep 2026739 AMAQI
25th Sep 20266210 AMAQI
25th Sep 20266211 AMAQI
25th Sep 202610212 PMAQI
25th Sep 20261241 PMAQI
25th Sep 20261212 PMAQI
25th Sep 20261043 PMAQI
25th Sep 2026984 PMAQI
25th Sep 2026875 PMAQI
25th Sep 2026866 PMAQI
25th Sep 2026767 PMAQI
25th Sep 2026538 PMAQI
25th Sep 2026699 PMAQI
25th Sep 202611510 PMAQI
25th Sep 202611211 PMAQI
26th Sep 202612212 AMAQI
26th Sep 20261301 AMAQI
26th Sep 20261312 AMAQI
26th Sep 20261083 AMAQI
26th Sep 20261224 AMAQI
26th Sep 2026925 AMAQI

29°C23/34°C

26th Sep 2026886 AMAQI
26th Sep 2026727 AMAQI
26th Sep 2026828 AMAQI
26th Sep 20261149 AMAQI
26th Sep 202610610 AMAQI
26th Sep 20269811 AMAQI
26th Sep 20268812 PMAQI
26th Sep 2026921 PMAQI
26th Sep 2026962 PMAQI
26th Sep 20261033 PMAQI
26th Sep 20261224 PMAQI
26th Sep 20261205 PMAQI
26th Sep 20261166 PMAQI
26th Sep 20261267 PMAQI
26th Sep 20261008 PMAQI
26th Sep 2026949 PMAQI
26th Sep 202610810 PMAQI
26th Sep 202612611 PMAQI
27th Sep 202613012 AMAQI
27th Sep 20261121 AMAQI
27th Sep 2026742 AMAQI
27th Sep 2026423 AMAQI
27th Sep 2026404 AMAQI
27th Sep 2026495 AMAQI

24°C21/29°C

27th Sep 2026546 AMAQI
27th Sep 2026607 AMAQI
27th Sep 2026688 AMAQI
27th Sep 2026729 AMAQI
27th Sep 20266010 AMAQI
27th Sep 20266611 AMAQI
27th Sep 20267412 PMAQI
27th Sep 2026521 PMAQI
27th Sep 2026582 PMAQI
27th Sep 2026783 PMAQI
27th Sep 2026834 PMAQI
27th Sep 2026925 PMAQI
27th Sep 2026946 PMAQI
27th Sep 2026987 PMAQI
27th Sep 2026908 PMAQI
27th Sep 2026829 PMAQI
27th Sep 20268710 PMAQI
27th Sep 20268011 PMAQI
28th Sep 20268412 AMAQI
28th Sep 2026961 AMAQI
28th Sep 2026922 AMAQI
28th Sep 20261043 AMAQI
28th Sep 20261034 AMAQI
28th Sep 20261105 AMAQI

26°C21/32°C

28th Sep 2026926 AMAQI
28th Sep 2026627 AMAQI
28th Sep 2026448 AMAQI
28th Sep 2026549 AMAQI
28th Sep 20266810 AMAQI
28th Sep 20267011 AMAQI
28th Sep 20267612 PMAQI
28th Sep 2026841 PMAQI
28th Sep 2026982 PMAQI
28th Sep 2026963 PMAQI
28th Sep 2026924 PMAQI
28th Sep 2026825 PMAQI
28th Sep 2026806 PMAQI
28th Sep 2026697 PMAQI
28th Sep 2026728 PMAQI
28th Sep 2026729 PMAQI
28th Sep 20268410 PMAQI
28th Sep 20268011 PMAQI
29th Sep 20267112 AMAQI
29th Sep 2026691 AMAQI
29th Sep 2026562 AMAQI
29th Sep 2026423 AMAQI
29th Sep 2026324 AMAQI
29th Sep 2026245 AMAQI

24°C21/29°C

29th Sep 2026206 AMAQI
29th Sep 2026207 AMAQI
29th Sep 2026158 AMAQI
29th Sep 2026119 AMAQI
29th Sep 20261010 AMAQI
29th Sep 20261411 AMAQI
29th Sep 20261712 PMAQI
29th Sep 2026191 PMAQI
29th Sep 2026222 PMAQI
29th Sep 2026163 PMAQI
29th Sep 2026184 PMAQI
29th Sep 2026165 PMAQI
29th Sep 2026166 PMAQI
29th Sep 2026207 PMAQI
29th Sep 2026188 PMAQI
29th Sep 2026199 PMAQI
29th Sep 20263010 PMAQI
29th Sep 20263111 PMAQI
30th Sep 20265112 AMAQI
30th Sep 2026531 AMAQI
30th Sep 2026602 AMAQI
30th Sep 2026703 AMAQI
30th Sep 20261064 AMAQI
30th Sep 20261305 AMAQI

22°C19/26°C

30th Sep 20261386 AMAQI
30th Sep 2026577 AMAQI
30th Sep 2026598 AMAQI
30th Sep 2026669 AMAQI
30th Sep 20266610 AMAQI
30th Sep 20268611 AMAQI
30th Sep 20268512 PMAQI
30th Sep 2026621 PMAQI
30th Sep 2026462 PMAQI
30th Sep 2026143 PMAQI
30th Sep 2026164 PMAQI
30th Sep 2026235 PMAQI
30th Sep 2026336 PMAQI
30th Sep 2026327 PMAQI
30th Sep 2026218 PMAQI
30th Sep 2026489 PMAQI
30th Sep 20266610 PMAQI
30th Sep 20266211 PMAQI
1st Oct 20265912 AMAQI
1st Oct 2026481 AMAQI
1st Oct 2026462 AMAQI
1st Oct 2026523 AMAQI
1st Oct 2026294 AMAQI
1st Oct 2026275 AMAQI

23°C21/28°C

1st Oct 2026276 AMAQI
1st Oct 2026237 AMAQI
1st Oct 2026188 AMAQI
1st Oct 2026199 AMAQI
1st Oct 20262810 AMAQI
1st Oct 20263311 AMAQI
1st Oct 20264212 PMAQI
1st Oct 2026381 PMAQI
1st Oct 2026332 PMAQI
1st Oct 2026283 PMAQI
1st Oct 2026234 PMAQI
1st Oct 2026185 PMAQI
1st Oct 2026186 PMAQI
1st Oct 2026217 PMAQI
1st Oct 2026228 PMAQI
1st Oct 2026189 PMAQI
1st Oct 20261810 PMAQI
1st Oct 20262711 PMAQI
2nd Oct 20262312 AMAQI
2nd Oct 2026271 AMAQI
2nd Oct 2026342 AMAQI
2nd Oct 2026363 AMAQI
2nd Oct 2026334 AMAQI
2nd Oct 2026465 AMAQI

17°C14/22°C

2nd Oct 2026386 AMAQI
2nd Oct 2026197 AMAQI
2nd Oct 202698 AMAQI
2nd Oct 2026239 AMAQI
2nd Oct 20262310 AMAQI
2nd Oct 20262311 AMAQI
2nd Oct 20262512 PMAQI
2nd Oct 2026271 PMAQI
2nd Oct 2026292 PMAQI
2nd Oct 2026293 PMAQI
2nd Oct 2026294 PMAQI
2nd Oct 2026295 PMAQI
2nd Oct 2026316 PMAQI
2nd Oct 2026277 PMAQI
2nd Oct 2026298 PMAQI
2nd Oct 2026299 PMAQI
2nd Oct 20262910 PMAQI
2nd Oct 20263811 PMAQI
3rd Oct 20263812 AMAQI
3rd Oct 2026461 AMAQI
3rd Oct 2026542 AMAQI
3rd Oct 2026813 AMAQI
3rd Oct 2026604 AMAQI
3rd Oct 2026555 AMAQI

15°C14/17°C

3rd Oct 2026566 AMAQI
6 AM
3rd Oct 2026527 AMAQI
3rd Oct 2026388 AMAQI
3rd Oct 2026229 AMAQI
3rd Oct 20261510 AMAQI
3rd Oct 20262311 AMAQI
3rd Oct 2026812 PMAQI
12 PM
3rd Oct 2026141 PMAQI
3rd Oct 2026162 PMAQI
3rd Oct 202683 PMAQI
3rd Oct 2026144 PMAQI
3rd Oct 202685 PMAQI
3rd Oct 202696 PMAQI
6 PM
3rd Oct 2026107 PMAQI
3rd Oct 2026218 PMAQI
3rd Oct 2026109 PMAQI
3rd Oct 2026910 PMAQI
3rd Oct 20261011 PMAQI
12 AM
5 AM

15°C15/16°C

Day time
Avg. Highest Time
11 AM - 1 PM

84AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
5 PM - 6 PM

63AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 1 PM (Avg. 84), while the lowest AQI was between 5 PM to 6 PM (Avg. 63).
Night time
Avg. Highest Time
12 AM

96AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
8 PM

60AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 96), while the lowest AQI was between 8 PM to 8 PM (Avg. 60).

2026 Days Vs Air Quality

Changan, Hunan, China

2026

32%

87

43%

119

22%

62

3%

8

Total number of days with different AQI categories in last 276 days in 2026 (89 days remaining)

Good
87 Days
Moderate
119 Days
Poor
62 Days
Unhealthy
8 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 32%

Health Risk Level:

High

In 2026, 32% of 276 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.

Annual Air Quality Insights

Changan, Hunan, China

AQI levels in 2026

AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
72AQI (US)
2nd January 2026
102AQI (US)
3rd January 2026
135AQI (US)
4th January 2026
117AQI (US)
5th January 2026
152AQI (US)
6th January 2026
144AQI (US)
7th January 2026
137AQI (US)
8th January 2026
118AQI (US)
9th January 2026
122AQI (US)
10th January 2026
107AQI (US)
11th January 2026
118AQI (US)
12th January 2026
149AQI (US)
13th January 2026
126AQI (US)
14th January 2026
115AQI (US)
15th January 2026
164AQI (US)
16th January 2026
168AQI (US)
17th January 2026
180AQI (US)
18th January 2026
187AQI (US)
19th January 2026
71AQI (US)
20th January 2026
88AQI (US)
21st January 2026
108AQI (US)
22nd January 2026
116AQI (US)
23rd January 2026
139AQI (US)
24th January 2026
127AQI (US)
25th January 2026
130AQI (US)
26th January 2026
134AQI (US)
27th January 2026
151AQI (US)
28th January 2026
155AQI (US)
29th January 2026
142AQI (US)
30th January 2026
84AQI (US)
31st January 2026
80AQI (US)
1st February 2026
102AQI (US)
2nd February 2026
98AQI (US)
3rd February 2026
101AQI (US)
4th February 2026
113AQI (US)
5th February 2026
146AQI (US)
6th February 2026
164AQI (US)
7th February 2026
111AQI (US)
8th February 2026
120AQI (US)
9th February 2026
118AQI (US)
10th February 2026
118AQI (US)
11th February 2026
118AQI (US)
12th February 2026
147AQI (US)
13th February 2026
109AQI (US)
14th February 2026
85AQI (US)
15th February 2026
105AQI (US)
16th February 2026
56AQI (US)
17th February 2026
134AQI (US)
18th February 2026
130AQI (US)
19th February 2026
143AQI (US)
20th February 2026
80AQI (US)
21st February 2026
56AQI (US)
22nd February 2026
80AQI (US)
23rd February 2026
103AQI (US)
24th February 2026
69AQI (US)
25th February 2026
72AQI (US)
26th February 2026
33AQI (US)
27th February 2026
66AQI (US)
28th February 2026
85AQI (US)
1st March 2026
24AQI (US)
2nd March 2026
54AQI (US)
3rd March 2026
84AQI (US)
4th March 2026
101AQI (US)
5th March 2026
117AQI (US)
6th March 2026
138AQI (US)
7th March 2026
134AQI (US)
8th March 2026
129AQI (US)
9th March 2026
140AQI (US)
10th March 2026
123AQI (US)
11th March 2026
91AQI (US)
12th March 2026
124AQI (US)
13th March 2026
65AQI (US)
14th March 2026
93AQI (US)
15th March 2026
114AQI (US)
16th March 2026
18AQI (US)
17th March 2026
27AQI (US)
18th March 2026
54AQI (US)
19th March 2026
104AQI (US)
20th March 2026
133AQI (US)
21st March 2026
85AQI (US)
22nd March 2026
98AQI (US)
23rd March 2026
102AQI (US)
24th March 2026
131AQI (US)
25th March 2026
126AQI (US)
26th March 2026
133AQI (US)
27th March 2026
120AQI (US)
28th March 2026
124AQI (US)
29th March 2026
105AQI (US)
30th March 2026
52AQI (US)
31st March 2026
87AQI (US)
1st April 2026
71AQI (US)
2nd April 2026
59AQI (US)
3rd April 2026
56AQI (US)
4th April 2026
43AQI (US)
5th April 2026
81AQI (US)
6th April 2026
97AQI (US)
7th April 2026
135AQI (US)
8th April 2026
125AQI (US)
9th April 2026
64AQI (US)
10th April 2026
57AQI (US)
11th April 2026
83AQI (US)
12th April 2026
62AQI (US)
13th April 2026
74AQI (US)
14th April 2026
52AQI (US)
15th April 2026
51AQI (US)
16th April 2026
87AQI (US)
17th April 2026
75AQI (US)
18th April 2026
88AQI (US)
19th April 2026
86AQI (US)
20th April 2026
90AQI (US)
21st April 2026
27AQI (US)
22nd April 2026
19AQI (US)
23rd April 2026
59AQI (US)
24th April 2026
50AQI (US)
25th April 2026
73AQI (US)
26th April 2026
79AQI (US)
27th April 2026
89AQI (US)
28th April 2026
26AQI (US)
29th April 2026
21AQI (US)
30th April 2026
52AQI (US)
1st May 2026
50AQI (US)
2nd May 2026
47AQI (US)
3rd May 2026
52AQI (US)
4th May 2026
36AQI (US)
5th May 2026
51AQI (US)
6th May 2026
61AQI (US)
7th May 2026
60AQI (US)
8th May 2026
59AQI (US)
9th May 2026
74AQI (US)
10th May 2026
65AQI (US)
11th May 2026
68AQI (US)
12th May 2026
86AQI (US)
13th May 2026
39AQI (US)
14th May 2026
39AQI (US)
15th May 2026
77AQI (US)
16th May 2026
72AQI (US)
17th May 2026
61AQI (US)
18th May 2026
55AQI (US)
19th May 2026
52AQI (US)
20th May 2026
63AQI (US)
21st May 2026
70AQI (US)
22nd May 2026
83AQI (US)
23rd May 2026
73AQI (US)
24th May 2026
71AQI (US)
25th May 2026
66AQI (US)
26th May 2026
49AQI (US)
27th May 2026
40AQI (US)
28th May 2026
50AQI (US)
29th May 2026
70AQI (US)
30th May 2026
65AQI (US)
31st May 2026
66AQI (US)
1st June 2026
82AQI (US)
2nd June 2026
82AQI (US)
3rd June 2026
62AQI (US)
4th June 2026
40AQI (US)
5th June 2026
84AQI (US)
6th June 2026
77AQI (US)
7th June 2026
71AQI (US)
8th June 2026
34AQI (US)
9th June 2026
36AQI (US)
10th June 2026
63AQI (US)
11th June 2026
67AQI (US)
12th June 2026
61AQI (US)
13th June 2026
35AQI (US)
14th June 2026
33AQI (US)
15th June 2026
48AQI (US)
16th June 2026
66AQI (US)
17th June 2026
63AQI (US)
18th June 2026
77AQI (US)
19th June 2026
12AQI (US)
20th June 2026
17AQI (US)
21st June 2026
21AQI (US)
22nd June 2026
20AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
21AQI (US)
25th June 2026
35AQI (US)
26th June 2026
44AQI (US)
27th June 2026
71AQI (US)
28th June 2026
74AQI (US)
29th June 2026
86AQI (US)
30th June 2026
54AQI (US)
1st July 2026
30AQI (US)
2nd July 2026
12AQI (US)
3rd July 2026
25AQI (US)
4th July 2026
26AQI (US)
5th July 2026
15AQI (US)
6th July 2026
31AQI (US)
7th July 2026
20AQI (US)
8th July 2026
23AQI (US)
9th July 2026
22AQI (US)
10th July 2026
33AQI (US)
11th July 2026
35AQI (US)
12th July 2026
45AQI (US)
13th July 2026
59AQI (US)
14th July 2026
55AQI (US)
15th July 2026
23AQI (US)
16th July 2026
18AQI (US)
17th July 2026
32AQI (US)
18th July 2026
32AQI (US)
19th July 2026
35AQI (US)
20th July 2026
55AQI (US)
21st July 2026
32AQI (US)
22nd July 2026
22AQI (US)
23rd July 2026
35AQI (US)
24th July 2026
41AQI (US)
25th July 2026
54AQI (US)
26th July 2026
53AQI (US)
27th July 2026
15AQI (US)
28th July 2026
22AQI (US)
29th July 2026
27AQI (US)
30th July 2026
31AQI (US)
31st July 2026
27AQI (US)
1st August 2026
26AQI (US)
2nd August 2026
28AQI (US)
3rd August 2026
26AQI (US)
4th August 2026
33AQI (US)
5th August 2026
47AQI (US)
6th August 2026
41AQI (US)
7th August 2026
58AQI (US)
8th August 2026
79AQI (US)
9th August 2026
63AQI (US)
10th August 2026
35AQI (US)
11th August 2026
17AQI (US)
12th August 2026
25AQI (US)
13th August 2026
31AQI (US)
14th August 2026
34AQI (US)
15th August 2026
49AQI (US)
16th August 2026
43AQI (US)
17th August 2026
53AQI (US)
18th August 2026
73AQI (US)
19th August 2026
80AQI (US)
20th August 2026
69AQI (US)
21st August 2026
69AQI (US)
22nd August 2026
50AQI (US)
23rd August 2026
52AQI (US)
24th August 2026
39AQI (US)
25th August 2026
28AQI (US)
26th August 2026
31AQI (US)
27th August 2026
45AQI (US)
28th August 2026
59AQI (US)
29th August 2026
53AQI (US)
30th August 2026
50AQI (US)
31st August 2026
43AQI (US)
1st September 2026
40AQI (US)
2nd September 2026
29AQI (US)
3rd September 2026
59AQI (US)
4th September 2026
65AQI (US)
5th September 2026
91AQI (US)
6th September 2026
85AQI (US)
7th September 2026
106AQI (US)
8th September 2026
87AQI (US)
9th September 2026
83AQI (US)
10th September 2026
48AQI (US)
11th September 2026
58AQI (US)
12th September 2026
79AQI (US)
13th September 2026
97AQI (US)
14th September 2026
125AQI (US)
15th September 2026
96AQI (US)
16th September 2026
135AQI (US)
17th September 2026
43AQI (US)
18th September 2026
64AQI (US)
19th September 2026
108AQI (US)
20th September 2026
111AQI (US)
21st September 2026
114AQI (US)
22nd September 2026
44AQI (US)
23rd September 2026
96AQI (US)
24th September 2026
82AQI (US)
25th September 2026
88AQI (US)
26th September 2026
106AQI (US)
27th September 2026
75AQI (US)
28th September 2026
82AQI (US)
29th September 2026
26AQI (US)
30th September 2026
60AQI (US)
1st October 2026
30AQI (US)
2nd October 2026
29AQI (US)
3rd October 2026
28AQI (US)
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

127AQI (US)

102AQI (US)

98AQI (US)

68AQI (US)

60AQI (US)

52AQI (US)

32AQI (US)

46AQI (US)

79AQI (US)

29AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202673AQI (US)

5
19
7
1
10
16
1
3
10
18
6
22
2
8
23
14
16
26
5
20
11
6
17
7
3
87
119
62
8

Highest AQI (US) recorded in

January

127AQI (US)

Lowest AQI (US) recorded in

October

29AQI (US)

202593AQI (US)

3
14
12
2
5
22
1
23
8
18
11
1
27
4
10
20
11
20
11
20
4
26
2
11
14
4
13
17
3
13
15
38
189
103
32
3

Highest AQI (US) recorded in

January

146AQI (US)

Lowest AQI (US) recorded in

August

53AQI (US)

202487AQI (US)

1
7
16
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
102
25

Highest AQI (US) recorded in

December

134AQI (US)

Lowest AQI (US) recorded in

July

38AQI (US)

202388AQI (US)

5
11
9
5
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
6

Highest AQI (US) recorded in

January

149AQI (US)

Lowest AQI (US) recorded in

July

52AQI (US)

202294AQI (US)

4
9
16
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
24

Highest AQI (US) recorded in

January

147AQI (US)

Lowest AQI (US) recorded in

August

47AQI (US)

2021100AQI (US)

2
16
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
108
41

Highest AQI (US) recorded in

January

141AQI (US)

Lowest AQI (US) recorded in

July

70AQI (US)

202094AQI (US)

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

Highest AQI (US) recorded in

December

154AQI (US)

Lowest AQI (US) recorded in

June

68AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2021(Avg.)
100AQI (US)
Least Polluted Year Recorded
2026(Avg.)
73AQI (US)

Changan's annual 2026 AQI (US) (73) shows an average percentage change of -21.05% (improved AQI (US)) compared to previous years: 2020 (94), 2021 (100), 2022 (94), 2023 (88), 2024 (87), 2025 (93).