Changan, Xichang, Sichuan, 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+
August Air Quality Analysis
Changan, Xichang, Sichuan, China
2021
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Aug 2021
87AQILowest AQI recorded on
27th Aug 2021
33AQISame Day Analysis (2nd August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 59 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Changan, Xichang, Sichuan, China
AQI
Day
Night
.
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10AM3rd Aug
66AQI
Avg. Lowest Time
5PM3rd Aug
51AQI
In the last 24 hours,
Changan's AQI reached its highest point of 66 at 10 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Changan, Xichang, Sichuan, China
JulAug
05th - 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 - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025515 AMAQI
5th Jul 2025526 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025468 AMAQI
5th Jul 2025469 AMAQI
5th Jul 20255410 AMAQI
5th Jul 20255411 AMAQI
5th Jul 20255412 PMAQI
5th Jul 2025461 PMAQI
5th Jul 2025442 PMAQI
5th Jul 2025433 PMAQI
5th Jul 2025444 PMAQI
5th Jul 2025445 PMAQI
5th Jul 2025426 PMAQI
5th Jul 2025457 PMAQI
5th Jul 2025528 PMAQI
5th Jul 2025539 PMAQI
5th Jul 20255410 PMAQI
5th Jul 20255511 PMAQI
6th Jul 20255412 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025523 AMAQI
6th Jul 2025514 AMAQI
17°C12/22°C
6th Jul 2025505 AMAQI
6th Jul 2025506 AMAQI
6th Jul 2025507 AMAQI
6th Jul 2025518 AMAQI
6th Jul 2025539 AMAQI
6th Jul 20255210 AMAQI
6th Jul 20255611 AMAQI
6th Jul 20255512 PMAQI
6th Jul 2025561 PMAQI
6th Jul 2025522 PMAQI
6th Jul 2025443 PMAQI
6th Jul 2025394 PMAQI
6th Jul 2025415 PMAQI
6th Jul 2025426 PMAQI
6th Jul 2025527 PMAQI
6th Jul 2025538 PMAQI
6th Jul 2025559 PMAQI
6th Jul 20255410 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255512 AMAQI
7th Jul 2025521 AMAQI
7th Jul 2025522 AMAQI
7th Jul 2025523 AMAQI
7th Jul 2025524 AMAQI
17°C12/24°C
7th Jul 2025525 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025588 AMAQI
7th Jul 2025599 AMAQI
7th Jul 20255610 AMAQI
7th Jul 20255811 AMAQI
7th Jul 20255612 PMAQI
7th Jul 2025551 PMAQI
7th Jul 2025542 PMAQI
7th Jul 2025543 PMAQI
7th Jul 2025514 PMAQI
7th Jul 2025475 PMAQI
7th Jul 2025456 PMAQI
7th Jul 2025487 PMAQI
7th Jul 2025518 PMAQI
7th Jul 2025559 PMAQI
7th Jul 20255610 PMAQI
7th Jul 20255711 PMAQI
8th Jul 20255812 AMAQI
8th Jul 2025541 AMAQI
8th Jul 2025542 AMAQI
8th Jul 2025543 AMAQI
8th Jul 2025544 AMAQI
17°C12/23°C
8th Jul 2025545 AMAQI
8th Jul 2025546 AMAQI
8th Jul 2025547 AMAQI
8th Jul 2025568 AMAQI
8th Jul 2025629 AMAQI
8th Jul 20256210 AMAQI
8th Jul 20255811 AMAQI
8th Jul 20255912 PMAQI
8th Jul 2025581 PMAQI
8th Jul 2025602 PMAQI
8th Jul 2025603 PMAQI
8th Jul 2025594 PMAQI
8th Jul 2025565 PMAQI
8th Jul 2025446 PMAQI
8th Jul 2025417 PMAQI
8th Jul 2025528 PMAQI
8th Jul 2025569 PMAQI
8th Jul 20255810 PMAQI
8th Jul 20255811 PMAQI
9th Jul 20255812 AMAQI
9th Jul 2025521 AMAQI
9th Jul 2025532 AMAQI
9th Jul 2025543 AMAQI
9th Jul 2025554 AMAQI
20°C13/28°C
9th Jul 2025555 AMAQI
9th Jul 2025546 AMAQI
9th Jul 2025547 AMAQI
9th Jul 2025548 AMAQI
9th Jul 2025589 AMAQI
9th Jul 20256010 AMAQI
9th Jul 20255611 AMAQI
9th Jul 20255012 PMAQI
9th Jul 2025541 PMAQI
9th Jul 2025532 PMAQI
9th Jul 2025513 PMAQI
9th Jul 2025504 PMAQI
9th Jul 2025515 PMAQI
9th Jul 2025516 PMAQI
9th Jul 2025527 PMAQI
9th Jul 2025548 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255710 PMAQI
9th Jul 20255811 PMAQI
10th Jul 20255712 AMAQI
10th Jul 2025541 AMAQI
10th Jul 2025552 AMAQI
10th Jul 2025553 AMAQI
10th Jul 2025544 AMAQI
22°C17/29°C
10th Jul 2025555 AMAQI
10th Jul 2025556 AMAQI
10th Jul 2025557 AMAQI
10th Jul 2025608 AMAQI
10th Jul 2025629 AMAQI
10th Jul 20256210 AMAQI
10th Jul 20255811 AMAQI
10th Jul 20255612 PMAQI
10th Jul 2025511 PMAQI
10th Jul 2025442 PMAQI
10th Jul 2025463 PMAQI
10th Jul 2025514 PMAQI
10th Jul 2025515 PMAQI
10th Jul 2025526 PMAQI
10th Jul 2025527 PMAQI
10th Jul 2025548 PMAQI
10th Jul 2025549 PMAQI
10th Jul 20255610 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025541 AMAQI
11th Jul 2025542 AMAQI
11th Jul 2025543 AMAQI
11th Jul 2025544 AMAQI
22°C15/30°C
11th Jul 2025545 AMAQI
11th Jul 2025556 AMAQI
11th Jul 2025557 AMAQI
11th Jul 2025578 AMAQI
11th Jul 2025609 AMAQI
11th Jul 20256110 AMAQI
11th Jul 20255811 AMAQI
11th Jul 20255712 PMAQI
11th Jul 2025531 PMAQI
11th Jul 2025532 PMAQI
11th Jul 2025543 PMAQI
11th Jul 2025544 PMAQI
11th Jul 2025565 PMAQI
11th Jul 2025566 PMAQI
11th Jul 2025617 PMAQI
11th Jul 2025588 PMAQI
11th Jul 2025589 PMAQI
11th Jul 20256010 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20256012 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025542 AMAQI
12th Jul 2025553 AMAQI
12th Jul 2025544 AMAQI
22°C14/30°C
12th Jul 2025545 AMAQI
12th Jul 2025546 AMAQI
12th Jul 2025547 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025549 AMAQI
12th Jul 20255810 AMAQI
12th Jul 20256011 AMAQI
12th Jul 20255612 PMAQI
12th Jul 2025531 PMAQI
12th Jul 2025552 PMAQI
12th Jul 2025543 PMAQI
12th Jul 2025554 PMAQI
12th Jul 2025525 PMAQI
12th Jul 2025556 PMAQI
12th Jul 2025577 PMAQI
12th Jul 2025578 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20256010 PMAQI
12th Jul 20256111 PMAQI
13th Jul 20256312 AMAQI
13th Jul 2025551 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025554 AMAQI
21°C14/29°C
13th Jul 2025555 AMAQI
13th Jul 2025546 AMAQI
13th Jul 2025557 AMAQI
13th Jul 2025658 AMAQI
13th Jul 2025739 AMAQI
13th Jul 20257610 AMAQI
13th Jul 20256711 AMAQI
13th Jul 20256412 PMAQI
13th Jul 2025621 PMAQI
13th Jul 2025602 PMAQI
13th Jul 2025583 PMAQI
13th Jul 2025544 PMAQI
13th Jul 2025525 PMAQI
13th Jul 2025546 PMAQI
13th Jul 2025577 PMAQI
13th Jul 2025578 PMAQI
13th Jul 2025599 PMAQI
13th Jul 20256110 PMAQI
13th Jul 20256211 PMAQI
14th Jul 20256212 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025552 AMAQI
14th Jul 2025563 AMAQI
14th Jul 2025564 AMAQI
20°C11/29°C
14th Jul 2025575 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025648 AMAQI
14th Jul 2025689 AMAQI
14th Jul 20257010 AMAQI
14th Jul 20257211 AMAQI
14th Jul 20256712 PMAQI
14th Jul 2025681 PMAQI
14th Jul 2025662 PMAQI
14th Jul 2025643 PMAQI
14th Jul 2025604 PMAQI
14th Jul 2025605 PMAQI
14th Jul 2025606 PMAQI
14th Jul 2025627 PMAQI
14th Jul 2025588 PMAQI
14th Jul 2025619 PMAQI
14th Jul 20256210 PMAQI
14th Jul 20256411 PMAQI
15th Jul 20256512 AMAQI
15th Jul 2025581 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
15th Jul 2025584 AMAQI
20°C11/30°C
15th Jul 2025585 AMAQI
15th Jul 2025576 AMAQI
15th Jul 2025587 AMAQI
15th Jul 2025628 AMAQI
15th Jul 2025669 AMAQI
15th Jul 20256910 AMAQI
15th Jul 20256211 AMAQI
15th Jul 20256212 PMAQI
15th Jul 2025591 PMAQI
15th Jul 2025562 PMAQI
15th Jul 2025563 PMAQI
15th Jul 2025584 PMAQI
15th Jul 2025585 PMAQI
15th Jul 2025576 PMAQI
15th Jul 2025587 PMAQI
15th Jul 2025588 PMAQI
15th Jul 2025599 PMAQI
15th Jul 20256010 PMAQI
15th Jul 20255811 PMAQI
16th Jul 20256012 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025572 AMAQI
16th Jul 2025573 AMAQI
16th Jul 2025584 AMAQI
22°C12/30°C
16th Jul 2025595 AMAQI
16th Jul 2025586 AMAQI
16th Jul 2025587 AMAQI
16th Jul 2025628 AMAQI
16th Jul 2025649 AMAQI
16th Jul 20256410 AMAQI
16th Jul 20256611 AMAQI
16th Jul 20256212 PMAQI
16th Jul 2025601 PMAQI
16th Jul 2025572 PMAQI
16th Jul 2025613 PMAQI
16th Jul 2025604 PMAQI
16th Jul 2025555 PMAQI
16th Jul 2025546 PMAQI
16th Jul 2025587 PMAQI
16th Jul 2025598 PMAQI
16th Jul 2025609 PMAQI
16th Jul 20256210 PMAQI
16th Jul 20256011 PMAQI
17th Jul 20255912 AMAQI
17th Jul 2025561 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025573 AMAQI
17th Jul 2025584 AMAQI
21°C12/31°C
17th Jul 2025585 AMAQI
17th Jul 2025586 AMAQI
17th Jul 2025587 AMAQI
17th Jul 2025638 AMAQI
17th Jul 2025639 AMAQI
17th Jul 20256210 AMAQI
17th Jul 20256111 AMAQI
17th Jul 20255112 PMAQI
17th Jul 2025521 PMAQI
17th Jul 2025522 PMAQI
17th Jul 2025543 PMAQI
17th Jul 2025514 PMAQI
17th Jul 2025595 PMAQI
17th Jul 2025586 PMAQI
17th Jul 2025607 PMAQI
17th Jul 2025648 PMAQI
17th Jul 2025639 PMAQI
17th Jul 20256410 PMAQI
17th Jul 20256211 PMAQI
18th Jul 20256212 AMAQI
18th Jul 2025571 AMAQI
18th Jul 2025572 AMAQI
18th Jul 2025583 AMAQI
18th Jul 2025584 AMAQI
21°C13/31°C
18th Jul 2025605 AMAQI
18th Jul 2025606 AMAQI
18th Jul 2025597 AMAQI
18th Jul 2025688 AMAQI
18th Jul 2025739 AMAQI
18th Jul 20257010 AMAQI
18th Jul 20257111 AMAQI
18th Jul 20256212 PMAQI
18th Jul 2025601 PMAQI
18th Jul 2025522 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025494 PMAQI
18th Jul 2025595 PMAQI
18th Jul 2025586 PMAQI
18th Jul 2025607 PMAQI
18th Jul 2025608 PMAQI
18th Jul 2025629 PMAQI
18th Jul 20256010 PMAQI
18th Jul 20256011 PMAQI
19th Jul 20256012 AMAQI
19th Jul 2025581 AMAQI
19th Jul 2025582 AMAQI
19th Jul 2025583 AMAQI
19th Jul 2025594 AMAQI
21°C13/29°C
19th Jul 2025595 AMAQI
19th Jul 2025596 AMAQI
19th Jul 2025607 AMAQI
19th Jul 2025558 AMAQI
19th Jul 2025559 AMAQI
19th Jul 20255410 AMAQI
19th Jul 20255211 AMAQI
19th Jul 20255512 PMAQI
19th Jul 2025571 PMAQI
19th Jul 2025562 PMAQI
19th Jul 2025583 PMAQI
19th Jul 2025544 PMAQI
19th Jul 2025525 PMAQI
19th Jul 2025516 PMAQI
19th Jul 2025547 PMAQI
19th Jul 2025588 PMAQI
19th Jul 2025609 PMAQI
19th Jul 20256210 PMAQI
19th Jul 20255911 PMAQI
20th Jul 20256012 AMAQI
20th Jul 2025611 AMAQI
20th Jul 2025592 AMAQI
20th Jul 2025603 AMAQI
20th Jul 2025584 AMAQI
19°C14/26°C
20th Jul 2025585 AMAQI
20th Jul 2025586 AMAQI
20th Jul 2025587 AMAQI
20th Jul 2025588 AMAQI
20th Jul 2025589 AMAQI
20th Jul 20256110 AMAQI
20th Jul 20256311 AMAQI
20th Jul 20256212 PMAQI
20th Jul 2025571 PMAQI
20th Jul 2025532 PMAQI
20th Jul 2025513 PMAQI
20th Jul 2025504 PMAQI
20th Jul 2025505 PMAQI
20th Jul 2025526 PMAQI
20th Jul 2025577 PMAQI
20th Jul 2025608 PMAQI
20th Jul 2025589 PMAQI
20th Jul 20255910 PMAQI
20th Jul 20256011 PMAQI
21st Jul 20256012 AMAQI
21st Jul 2025561 AMAQI
21st Jul 2025562 AMAQI
21st Jul 2025573 AMAQI
21st Jul 2025574 AMAQI
21°C14/28°C
21st Jul 2025575 AMAQI
21st Jul 2025586 AMAQI
21st Jul 2025577 AMAQI
21st Jul 2025558 AMAQI
21st Jul 2025549 AMAQI
21st Jul 20255610 AMAQI
21st Jul 20255411 AMAQI
21st Jul 20255212 PMAQI
21st Jul 2025471 PMAQI
21st Jul 2025482 PMAQI
21st Jul 2025463 PMAQI
21st Jul 2025444 PMAQI
21st Jul 2025525 PMAQI
21st Jul 2025506 PMAQI
21st Jul 2025557 PMAQI
21st Jul 2025598 PMAQI
21st Jul 2025609 PMAQI
21st Jul 20256110 PMAQI
21st Jul 20256011 PMAQI
22nd Jul 20256012 AMAQI
22nd Jul 2025581 AMAQI
22nd Jul 2025562 AMAQI
22nd Jul 2025573 AMAQI
22nd Jul 2025564 AMAQI
21°C14/30°C
22nd Jul 2025565 AMAQI
22nd Jul 2025566 AMAQI
22nd Jul 2025567 AMAQI
22nd Jul 2025548 AMAQI
22nd Jul 2025529 AMAQI
22nd Jul 20255410 AMAQI
22nd Jul 20255511 AMAQI
22nd Jul 20255612 PMAQI
22nd Jul 2025531 PMAQI
22nd Jul 2025502 PMAQI
22nd Jul 2025483 PMAQI
22nd Jul 2025424 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025536 PMAQI
22nd Jul 2025567 PMAQI
22nd Jul 2025558 PMAQI
22nd Jul 2025589 PMAQI
22nd Jul 20255810 PMAQI
22nd Jul 20255811 PMAQI
23rd Jul 20255612 AMAQI
23rd Jul 2025571 AMAQI
23rd Jul 2025582 AMAQI
23rd Jul 2025563 AMAQI
23rd Jul 2025544 AMAQI
21°C14/29°C
23rd Jul 2025555 AMAQI
23rd Jul 2025556 AMAQI
23rd Jul 2025557 AMAQI
23rd Jul 2025468 AMAQI
23rd Jul 2025429 AMAQI
23rd Jul 20254610 AMAQI
23rd Jul 20255011 AMAQI
23rd Jul 20255512 PMAQI
23rd Jul 2025501 PMAQI
23rd Jul 2025532 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025524 PMAQI
23rd Jul 2025435 PMAQI
23rd Jul 2025406 PMAQI
23rd Jul 2025507 PMAQI
23rd Jul 2025568 PMAQI
23rd Jul 2025569 PMAQI
23rd Jul 20255810 PMAQI
23rd Jul 20255911 PMAQI
24th Jul 20255812 AMAQI
24th Jul 2025571 AMAQI
24th Jul 2025572 AMAQI
24th Jul 2025583 AMAQI
24th Jul 2025564 AMAQI
21°C14/28°C
24th Jul 2025575 AMAQI
24th Jul 2025566 AMAQI
24th Jul 2025567 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025519 AMAQI
24th Jul 20255210 AMAQI
24th Jul 20255111 AMAQI
24th Jul 20255212 PMAQI
24th Jul 2025551 PMAQI
24th Jul 2025522 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025345 PMAQI
24th Jul 2025426 PMAQI
24th Jul 2025507 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20255510 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20255712 AMAQI
25th Jul 2025571 AMAQI
25th Jul 2025582 AMAQI
25th Jul 2025563 AMAQI
25th Jul 2025554 AMAQI
21°C15/28°C
25th Jul 2025565 AMAQI
25th Jul 2025566 AMAQI
25th Jul 2025567 AMAQI
25th Jul 2025548 AMAQI
25th Jul 2025539 AMAQI
25th Jul 20255710 AMAQI
25th Jul 20255411 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025541 PMAQI
25th Jul 2025552 PMAQI
25th Jul 2025533 PMAQI
25th Jul 2025504 PMAQI
25th Jul 2025515 PMAQI
25th Jul 2025536 PMAQI
25th Jul 2025547 PMAQI
25th Jul 2025548 PMAQI
25th Jul 2025559 PMAQI
25th Jul 20255510 PMAQI
25th Jul 20255511 PMAQI
26th Jul 20255512 AMAQI
26th Jul 2025561 AMAQI
26th Jul 2025562 AMAQI
26th Jul 2025543 AMAQI
26th Jul 2025544 AMAQI
21°C16/28°C
26th Jul 2025545 AMAQI
26th Jul 2025546 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025599 AMAQI
26th Jul 20255910 AMAQI
26th Jul 20255911 AMAQI
26th Jul 20255812 PMAQI
26th Jul 2025591 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025573 PMAQI
26th Jul 2025574 PMAQI
26th Jul 2025525 PMAQI
26th Jul 2025546 PMAQI
26th Jul 2025537 PMAQI
26th Jul 2025568 PMAQI
26th Jul 2025589 PMAQI
26th Jul 20255610 PMAQI
26th Jul 20255511 PMAQI
27th Jul 20255712 AMAQI
27th Jul 2025551 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025534 AMAQI
18°C15/20°C
27th Jul 2025535 AMAQI
27th Jul 2025546 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025578 AMAQI
27th Jul 2025659 AMAQI
27th Jul 20256310 AMAQI
27th Jul 20256011 AMAQI
27th Jul 20256712 PMAQI
27th Jul 2025641 PMAQI
27th Jul 2025562 PMAQI
27th Jul 2025543 PMAQI
27th Jul 2025554 PMAQI
27th Jul 2025525 PMAQI
27th Jul 2025486 PMAQI
27th Jul 2025547 PMAQI
27th Jul 2025568 PMAQI
27th Jul 2025589 PMAQI
27th Jul 20255810 PMAQI
27th Jul 20255811 PMAQI
28th Jul 20255712 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025553 AMAQI
28th Jul 2025554 AMAQI
20°C12/27°C
28th Jul 2025555 AMAQI
28th Jul 2025556 AMAQI
28th Jul 2025567 AMAQI
28th Jul 2025478 AMAQI
28th Jul 2025449 AMAQI
28th Jul 20255210 AMAQI
28th Jul 20255011 AMAQI
28th Jul 20254212 PMAQI
28th Jul 2025421 PMAQI
28th Jul 2025402 PMAQI
28th Jul 2025423 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025395 PMAQI
28th Jul 2025426 PMAQI
28th Jul 2025547 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255910 PMAQI
28th Jul 20256111 PMAQI
29th Jul 20256012 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025544 AMAQI
20°C11/29°C
29th Jul 2025545 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025608 AMAQI
29th Jul 2025669 AMAQI
29th Jul 20257010 AMAQI
29th Jul 20256411 AMAQI
29th Jul 20256412 PMAQI
29th Jul 2025661 PMAQI
29th Jul 2025642 PMAQI
29th Jul 2025623 PMAQI
29th Jul 2025594 PMAQI
29th Jul 2025565 PMAQI
29th Jul 2025586 PMAQI
29th Jul 2025587 PMAQI
29th Jul 2025568 PMAQI
29th Jul 2025589 PMAQI
29th Jul 20256210 PMAQI
29th Jul 20256311 PMAQI
30th Jul 20256412 AMAQI
30th Jul 2025561 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025554 AMAQI
21°C14/30°C
30th Jul 2025555 AMAQI
30th Jul 2025556 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025628 AMAQI
30th Jul 2025659 AMAQI
30th Jul 20257010 AMAQI
30th Jul 20256911 AMAQI
30th Jul 20256712 PMAQI
30th Jul 2025591 PMAQI
30th Jul 2025512 PMAQI
30th Jul 2025523 PMAQI
30th Jul 2025574 PMAQI
30th Jul 2025555 PMAQI
30th Jul 2025556 PMAQI
30th Jul 2025577 PMAQI
30th Jul 2025568 PMAQI
30th Jul 2025589 PMAQI
30th Jul 20256110 PMAQI
30th Jul 20256211 PMAQI
31st Jul 20256112 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025562 AMAQI
31st Jul 2025563 AMAQI
31st Jul 2025564 AMAQI
21°C12/29°C
31st Jul 2025565 AMAQI
31st Jul 2025566 AMAQI
31st Jul 2025567 AMAQI
31st Jul 2025568 AMAQI
31st Jul 2025569 AMAQI
31st Jul 20255610 AMAQI
31st Jul 20255611 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025571 PMAQI
31st Jul 2025482 PMAQI
31st Jul 2025483 PMAQI
31st Jul 2025544 PMAQI
31st Jul 2025565 PMAQI
31st Jul 2025576 PMAQI
31st Jul 2025607 PMAQI
31st Jul 2025538 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255810 PMAQI
31st Jul 20255511 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025531 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025544 AMAQI
21°C13/29°C
1st Aug 2025555 AMAQI
1st Aug 2025546 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025568 AMAQI
1st Aug 2025609 AMAQI
1st Aug 20256510 AMAQI
1st Aug 20256611 AMAQI
1st Aug 20256212 PMAQI
1st Aug 2025621 PMAQI
1st Aug 2025642 PMAQI
1st Aug 2025593 PMAQI
1st Aug 2025564 PMAQI
1st Aug 2025535 PMAQI
1st Aug 2025536 PMAQI
1st Aug 2025567 PMAQI
1st Aug 2025598 PMAQI
1st Aug 2025629 PMAQI
1st Aug 20256110 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025543 AMAQI
2nd Aug 2025564 AMAQI
22°C16/30°C
2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025557 AMAQI
2nd Aug 2025668 AMAQI
2nd Aug 2025709 AMAQI
2nd Aug 20257310 AMAQI
2nd Aug 20256811 AMAQI
2nd Aug 20256912 PMAQI
2nd Aug 2025621 PMAQI
2nd Aug 2025602 PMAQI
2nd Aug 2025623 PMAQI
2nd Aug 2025644 PMAQI
2nd Aug 2025595 PMAQI
2nd Aug 2025576 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025608 PMAQI
2nd Aug 2025619 PMAQI
2nd Aug 20256310 PMAQI
2nd Aug 20256411 PMAQI
3rd Aug 20256012 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025564 AMAQI
22°C16/30°C
3rd Aug 2025575 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025577 AMAQI
3rd Aug 2025628 AMAQI
3rd Aug 2025609 AMAQI
3rd Aug 20256610 AMAQI
3rd Aug 20256411 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025641 PMAQI
3rd Aug 2025592 PMAQI
3rd Aug 2025593 PMAQI
3rd Aug 2025574 PMAQI
3rd Aug 2025515 PMAQI
3rd Aug 2025556 PMAQI
3rd Aug 2025557 PMAQI
3rd Aug 2025578 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20256010 PMAQI
3rd Aug 20255811 PMAQI
4th Aug 20255812 AMAQI
4th Aug 2025571 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 1 PM
58AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
2 PM - 6 PM
52AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 1 PM (Avg. 58), while the lowest AQI was between 2 PM to 6 PM (Avg. 52).
Night time
Avg. Highest Time
12 AM
59AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
1 AM - 11 PM
57AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 59), while the lowest AQI was between 1 AM to 11 PM (Avg. 57).
2025 Days Vs Air Quality
Changan, Xichang, Sichuan, China
2025
2%
5
89%
190
9%
19
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
5 DaysModerate
190 DaysPoor
19 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Changan, Xichang, Sichuan, China
AQI levels in 2025
AQI
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.
1st January 2025
104AQI
104AQI
2nd January 2025
95AQI
95AQI
3rd January 2025
110AQI
110AQI
4th January 2025
110AQI
110AQI
5th January 2025
101AQI
101AQI
6th January 2025
113AQI
113AQI
7th January 2025
91AQI
91AQI
8th January 2025
94AQI
94AQI
9th January 2025
95AQI
95AQI
10th January 2025
88AQI
88AQI
11th January 2025
80AQI
80AQI
12th January 2025
95AQI
95AQI
13th January 2025
97AQI
97AQI
14th January 2025
89AQI
89AQI
15th January 2025
99AQI
99AQI
16th January 2025
100AQI
100AQI
17th January 2025
106AQI
106AQI
18th January 2025
93AQI
93AQI
19th January 2025
97AQI
97AQI
20th January 2025
95AQI
95AQI
21st January 2025
114AQI
114AQI
22nd January 2025
118AQI
118AQI
23rd January 2025
131AQI
131AQI
24th January 2025
114AQI
114AQI
25th January 2025
93AQI
93AQI
26th January 2025
85AQI
85AQI
27th January 2025
86AQI
86AQI
28th January 2025
98AQI
98AQI
29th January 2025
110AQI
110AQI
30th January 2025
115AQI
115AQI
31st January 2025
95AQI
95AQI
1st February 2025
100AQI
100AQI
2nd February 2025
91AQI
91AQI
3rd February 2025
78AQI
78AQI
4th February 2025
95AQI
95AQI
5th February 2025
95AQI
95AQI
6th February 2025
92AQI
92AQI
7th February 2025
86AQI
86AQI
8th February 2025
87AQI
87AQI
9th February 2025
83AQI
83AQI
10th February 2025
80AQI
80AQI
11th February 2025
83AQI
83AQI
12th February 2025
79AQI
79AQI
13th February 2025
79AQI
79AQI
14th February 2025
67AQI
67AQI
15th February 2025
66AQI
66AQI
16th February 2025
69AQI
69AQI
17th February 2025
66AQI
66AQI
18th February 2025
63AQI
63AQI
19th February 2025
58AQI
58AQI
20th February 2025
64AQI
64AQI
21st February 2025
61AQI
61AQI
22nd February 2025
57AQI
57AQI
23rd February 2025
58AQI
58AQI
24th February 2025
60AQI
60AQI
25th February 2025
59AQI
59AQI
26th February 2025
64AQI
64AQI
27th February 2025
67AQI
67AQI
28th February 2025
65AQI
65AQI
1st March 2025
63AQI
63AQI
2nd March 2025
69AQI
69AQI
3rd March 2025
63AQI
63AQI
4th March 2025
66AQI
66AQI
5th March 2025
58AQI
58AQI
6th March 2025
59AQI
59AQI
7th March 2025
62AQI
62AQI
8th March 2025
65AQI
65AQI
9th March 2025
68AQI
68AQI
10th March 2025
73AQI
73AQI
11th March 2025
70AQI
70AQI
12th March 2025
78AQI
78AQI
13th March 2025
84AQI
84AQI
14th March 2025
86AQI
86AQI
15th March 2025
78AQI
78AQI
16th March 2025
79AQI
79AQI
17th March 2025
74AQI
74AQI
18th March 2025
66AQI
66AQI
19th March 2025
74AQI
74AQI
20th March 2025
83AQI
83AQI
21st March 2025
100AQI
100AQI
22nd March 2025
100AQI
100AQI
23rd March 2025
91AQI
91AQI
24th March 2025
91AQI
91AQI
25th March 2025
91AQI
91AQI
26th March 2025
94AQI
94AQI
27th March 2025
92AQI
92AQI
28th March 2025
115AQI
115AQI
29th March 2025
116AQI
116AQI
30th March 2025
119AQI
119AQI
31st March 2025
103AQI
103AQI
1st April 2025
97AQI
97AQI
2nd April 2025
98AQI
98AQI
3rd April 2025
104AQI
104AQI
4th April 2025
105AQI
105AQI
5th April 2025
100AQI
100AQI
6th April 2025
105AQI
105AQI
7th April 2025
91AQI
91AQI
8th April 2025
97AQI
97AQI
9th April 2025
99AQI
99AQI
10th April 2025
91AQI
91AQI
11th April 2025
89AQI
89AQI
12th April 2025
90AQI
90AQI
13th April 2025
76AQI
76AQI
14th April 2025
78AQI
78AQI
15th April 2025
78AQI
78AQI
16th April 2025
76AQI
76AQI
17th April 2025
77AQI
77AQI
18th April 2025
77AQI
77AQI
19th April 2025
68AQI
68AQI
20th April 2025
71AQI
71AQI
21st April 2025
67AQI
67AQI
22nd April 2025
70AQI
70AQI
23rd April 2025
77AQI
77AQI
24th April 2025
72AQI
72AQI
25th April 2025
78AQI
78AQI
26th April 2025
77AQI
77AQI
27th April 2025
77AQI
77AQI
28th April 2025
77AQI
77AQI
29th April 2025
74AQI
74AQI
30th April 2025
66AQI
66AQI
1st May 2025
74AQI
74AQI
2nd May 2025
70AQI
70AQI
3rd May 2025
70AQI
70AQI
4th May 2025
72AQI
72AQI
5th May 2025
68AQI
68AQI
6th May 2025
65AQI
65AQI
7th May 2025
65AQI
65AQI
8th May 2025
64AQI
64AQI
9th May 2025
74AQI
74AQI
10th May 2025
75AQI
75AQI
11th May 2025
74AQI
74AQI
12th May 2025
74AQI
74AQI
13th May 2025
82AQI
82AQI
14th May 2025
79AQI
79AQI
15th May 2025
79AQI
79AQI
16th May 2025
76AQI
76AQI
17th May 2025
73AQI
73AQI
18th May 2025
77AQI
77AQI
19th May 2025
75AQI
75AQI
20th May 2025
71AQI
71AQI
21st May 2025
68AQI
68AQI
22nd May 2025
66AQI
66AQI
23rd May 2025
71AQI
71AQI
24th May 2025
72AQI
72AQI
25th May 2025
72AQI
72AQI
26th May 2025
74AQI
74AQI
27th May 2025
65AQI
65AQI
28th May 2025
63AQI
63AQI
29th May 2025
60AQI
60AQI
30th May 2025
58AQI
58AQI
31st May 2025
53AQI
53AQI
1st June 2025
55AQI
55AQI
2nd June 2025
54AQI
54AQI
3rd June 2025
59AQI
59AQI
4th June 2025
65AQI
65AQI
5th June 2025
64AQI
64AQI
6th June 2025
68AQI
68AQI
7th June 2025
68AQI
68AQI
8th June 2025
62AQI
62AQI
9th June 2025
63AQI
63AQI
10th June 2025
66AQI
66AQI
11th June 2025
68AQI
68AQI
12th June 2025
72AQI
72AQI
13th June 2025
75AQI
75AQI
14th June 2025
76AQI
76AQI
15th June 2025
70AQI
70AQI
16th June 2025
67AQI
67AQI
17th June 2025
64AQI
64AQI
18th June 2025
61AQI
61AQI
19th June 2025
58AQI
58AQI
20th June 2025
57AQI
57AQI
21st June 2025
54AQI
54AQI
22nd June 2025
49AQI
49AQI
23rd June 2025
52AQI
52AQI
24th June 2025
50AQI
50AQI
25th June 2025
51AQI
51AQI
26th June 2025
53AQI
53AQI
27th June 2025
55AQI
55AQI
28th June 2025
51AQI
51AQI
29th June 2025
55AQI
55AQI
30th June 2025
52AQI
52AQI
1st July 2025
54AQI
54AQI
2nd July 2025
50AQI
50AQI
3rd July 2025
53AQI
53AQI
4th July 2025
48AQI
48AQI
5th July 2025
50AQI
50AQI
6th July 2025
51AQI
51AQI
7th July 2025
53AQI
53AQI
8th July 2025
55AQI
55AQI
9th July 2025
54AQI
54AQI
10th July 2025
54AQI
54AQI
11th July 2025
56AQI
56AQI
12th July 2025
56AQI
56AQI
13th July 2025
59AQI
59AQI
14th July 2025
61AQI
61AQI
15th July 2025
59AQI
59AQI
16th July 2025
59AQI
59AQI
17th July 2025
59AQI
59AQI
18th July 2025
60AQI
60AQI
19th July 2025
57AQI
57AQI
20th July 2025
58AQI
58AQI
21st July 2025
55AQI
55AQI
22nd July 2025
55AQI
55AQI
23rd July 2025
53AQI
53AQI
24th July 2025
52AQI
52AQI
25th July 2025
55AQI
55AQI
26th July 2025
56AQI
56AQI
27th July 2025
56AQI
56AQI
28th July 2025
51AQI
51AQI
29th July 2025
59AQI
59AQI
30th July 2025
58AQI
58AQI
31st July 2025
56AQI
56AQI
1st August 2025
58AQI
58AQI
2nd August 2025
59AQI
59AQI
100AQI
74AQI
82AQI
83AQI
70AQI
60AQI
55AQI
59AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202575AQI
19
12
28
27
4
27
3
31
2
28
3
28
2
5
190
19
Highest AQI recorded in
January100AQI
Lowest AQI recorded in
July55AQI
202452AQI
16
1
1
1
10
2
9
21
31
19
12
10
19
21
10
6
24
27
4
125
115
4
Highest AQI recorded in
December91AQI
Lowest AQI recorded in
April4AQI
20236AQI
3
31
34
Highest AQI recorded in
November8AQI
Lowest AQI recorded in
December6AQI
202284AQI
1
6
11
3
1
4
18
1
12
2
1
8
1
8
44
13
3
1
Highest AQI recorded in
January125AQI
Lowest AQI recorded in
May38AQI
202173AQI
1
13
14
3
2
22
4
2
22
7
2
27
1
6
11
8
22
11
16
14
17
12
15
5
10
2
10
5
1
13
8
4
66
198
39
7
Highest AQI recorded in
January109AQI
Lowest AQI recorded in
July52AQI
202071AQI
12
1
4
15
2
6
11
1
13
17
16
15
12
19
14
16
7
22
2
3
20
7
13
9
7
1
1
75
160
22
7
1
1
Highest AQI recorded in
December131AQI
Lowest AQI recorded in
September53AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
84AQILeast Polluted Year Recorded
2023(Avg.)
6AQIChangan's annual 2025 AQI (75) shows an average percentage change of 225.6% (worsened AQI) compared to previous years: 2020 (71), 2021 (73), 2022 (84), 2023 (6), 2024 (52).
