Cotan, Xian, Shaanxi, 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
Cotan, Xian, Shaanxi, China
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
17th Aug 2023
107AQILowest AQI recorded on
1st Aug 2026
28AQISame Day Analysis (2nd August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 4th highest AQI at 28 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 1st Aug - 2nd Aug 2026
Cotan, Xian, Shaanxi, China
AQI
Day
Night
.
5 AM1st Aug 2026
7 PM
4 AM2nd Aug 2026
Day time
Avg. Highest Time
7PM1st Aug
32AQI
Avg. Lowest Time
10AM1st Aug
19AQI
Night time
Avg. Highest Time
8PM1st Aug
36AQI
Avg. Lowest Time
4AM2nd Aug
25AQI
In the last 24 hours,
Cotan's AQI reached its highest point of 36 at 8 PM during the Night, while the lowest point, 19, was recorded at 10 AM during the Day between 1st Aug and 2nd Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Cotan, Xian, Shaanxi, China
JulAug
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 - 31st31st - 01st01st - 02nd02nd
Day
Night
4th Jul 2026555 AMAQI
4th Jul 2026576 AMAQI
4th Jul 2026627 AMAQI
4th Jul 2026698 AMAQI
4th Jul 2026669 AMAQI
4th Jul 20265410 AMAQI
4th Jul 20264811 AMAQI
4th Jul 20264412 PMAQI
4th Jul 2026331 PMAQI
4th Jul 2026332 PMAQI
4th Jul 2026383 PMAQI
4th Jul 2026294 PMAQI
4th Jul 2026255 PMAQI
4th Jul 2026276 PMAQI
4th Jul 2026297 PMAQI
4th Jul 2026298 PMAQI
4th Jul 2026309 PMAQI
4th Jul 20263410 PMAQI
4th Jul 20264411 PMAQI
5th Jul 20265212 AMAQI
5th Jul 2026521 AMAQI
5th Jul 2026532 AMAQI
5th Jul 2026583 AMAQI
5th Jul 2026594 AMAQI
32°C25/40°C
5th Jul 2026625 AMAQI
5th Jul 2026726 AMAQI
5th Jul 2026817 AMAQI
5th Jul 2026718 AMAQI
5th Jul 2026549 AMAQI
5th Jul 20264810 AMAQI
5th Jul 20265511 AMAQI
5th Jul 20265612 PMAQI
5th Jul 2026661 PMAQI
5th Jul 2026662 PMAQI
5th Jul 2026603 PMAQI
5th Jul 2026574 PMAQI
5th Jul 2026535 PMAQI
5th Jul 2026526 PMAQI
5th Jul 2026487 PMAQI
5th Jul 2026448 PMAQI
5th Jul 2026499 PMAQI
5th Jul 20265510 PMAQI
5th Jul 20266211 PMAQI
6th Jul 20267412 AMAQI
6th Jul 2026661 AMAQI
6th Jul 2026642 AMAQI
6th Jul 2026853 AMAQI
6th Jul 2026954 AMAQI
34°C26/42°C
6th Jul 2026855 AMAQI
6th Jul 2026836 AMAQI
6th Jul 2026827 AMAQI
6th Jul 2026818 AMAQI
6th Jul 2026799 AMAQI
6th Jul 20268010 AMAQI
6th Jul 20267311 AMAQI
6th Jul 20267012 PMAQI
6th Jul 2026641 PMAQI
6th Jul 2026672 PMAQI
6th Jul 2026673 PMAQI
6th Jul 2026704 PMAQI
6th Jul 2026675 PMAQI
6th Jul 2026626 PMAQI
6th Jul 2026627 PMAQI
6th Jul 2026628 PMAQI
6th Jul 2026669 PMAQI
6th Jul 20267210 PMAQI
6th Jul 20267811 PMAQI
7th Jul 20267212 AMAQI
7th Jul 2026641 AMAQI
7th Jul 2026582 AMAQI
7th Jul 2026403 AMAQI
7th Jul 2026304 AMAQI
33°C28/42°C
7th Jul 2026315 AMAQI
7th Jul 2026296 AMAQI
7th Jul 2026297 AMAQI
7th Jul 2026298 AMAQI
7th Jul 2026279 AMAQI
7th Jul 20262910 AMAQI
7th Jul 20263311 AMAQI
7th Jul 20263812 PMAQI
7th Jul 2026401 PMAQI
7th Jul 2026482 PMAQI
7th Jul 2026483 PMAQI
7th Jul 2026514 PMAQI
7th Jul 2026485 PMAQI
7th Jul 2026506 PMAQI
7th Jul 2026547 PMAQI
7th Jul 2026568 PMAQI
7th Jul 2026559 PMAQI
7th Jul 20265710 PMAQI
7th Jul 20267111 PMAQI
8th Jul 20266612 AMAQI
8th Jul 2026671 AMAQI
8th Jul 2026682 AMAQI
8th Jul 2026643 AMAQI
8th Jul 2026664 AMAQI
32°C26/41°C
8th Jul 2026925 AMAQI
8th Jul 20261006 AMAQI
8th Jul 20261107 AMAQI
8th Jul 20261128 AMAQI
8th Jul 20261129 AMAQI
8th Jul 20268810 AMAQI
8th Jul 20268211 AMAQI
8th Jul 20268012 PMAQI
8th Jul 2026721 PMAQI
8th Jul 2026552 PMAQI
8th Jul 2026563 PMAQI
8th Jul 2026524 PMAQI
8th Jul 2026505 PMAQI
8th Jul 2026496 PMAQI
8th Jul 2026427 PMAQI
8th Jul 2026448 PMAQI
8th Jul 2026409 PMAQI
8th Jul 20264410 PMAQI
8th Jul 20265311 PMAQI
9th Jul 20265312 AMAQI
9th Jul 2026551 AMAQI
9th Jul 2026542 AMAQI
9th Jul 2026573 AMAQI
9th Jul 2026624 AMAQI
35°C28/45°C
9th Jul 2026645 AMAQI
9th Jul 2026656 AMAQI
9th Jul 2026637 AMAQI
9th Jul 2026588 AMAQI
9th Jul 2026589 AMAQI
9th Jul 20266510 AMAQI
9th Jul 20267211 AMAQI
9th Jul 20267412 PMAQI
9th Jul 2026731 PMAQI
9th Jul 2026702 PMAQI
9th Jul 2026683 PMAQI
9th Jul 2026654 PMAQI
9th Jul 2026625 PMAQI
9th Jul 2026676 PMAQI
9th Jul 2026677 PMAQI
9th Jul 2026598 PMAQI
9th Jul 2026529 PMAQI
9th Jul 20265110 PMAQI
9th Jul 20265311 PMAQI
10th Jul 20264812 AMAQI
10th Jul 2026521 AMAQI
10th Jul 2026512 AMAQI
10th Jul 2026483 AMAQI
10th Jul 2026524 AMAQI
36°C29/44°C
10th Jul 2026485 AMAQI
10th Jul 2026516 AMAQI
10th Jul 2026517 AMAQI
10th Jul 2026538 AMAQI
10th Jul 2026539 AMAQI
10th Jul 20265510 AMAQI
10th Jul 20266211 AMAQI
10th Jul 20265712 PMAQI
10th Jul 2026551 PMAQI
10th Jul 2026502 PMAQI
10th Jul 2026483 PMAQI
10th Jul 2026444 PMAQI
10th Jul 2026445 PMAQI
10th Jul 2026446 PMAQI
10th Jul 2026427 PMAQI
10th Jul 2026428 PMAQI
10th Jul 2026469 PMAQI
10th Jul 20264410 PMAQI
10th Jul 20264011 PMAQI
11th Jul 20264012 AMAQI
11th Jul 2026381 AMAQI
11th Jul 2026442 AMAQI
11th Jul 2026523 AMAQI
11th Jul 2026624 AMAQI
35°C29/43°C
11th Jul 2026625 AMAQI
11th Jul 2026746 AMAQI
11th Jul 2026837 AMAQI
11th Jul 2026788 AMAQI
11th Jul 2026719 AMAQI
11th Jul 20266410 AMAQI
11th Jul 20266611 AMAQI
11th Jul 20266512 PMAQI
11th Jul 2026641 PMAQI
11th Jul 2026672 PMAQI
11th Jul 2026623 PMAQI
11th Jul 2026604 PMAQI
11th Jul 2026625 PMAQI
11th Jul 2026556 PMAQI
11th Jul 2026507 PMAQI
11th Jul 2026408 PMAQI
11th Jul 2026319 PMAQI
11th Jul 20262710 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20262812 AMAQI
12th Jul 2026201 AMAQI
12th Jul 2026172 AMAQI
12th Jul 2026123 AMAQI
12th Jul 2026124 AMAQI
31°C26/38°C
12th Jul 2026125 AMAQI
12th Jul 202686 AMAQI
12th Jul 2026127 AMAQI
12th Jul 2026168 AMAQI
12th Jul 2026219 AMAQI
12th Jul 20262710 AMAQI
12th Jul 20262911 AMAQI
12th Jul 20262712 PMAQI
12th Jul 2026331 PMAQI
12th Jul 2026332 PMAQI
12th Jul 2026293 PMAQI
12th Jul 2026294 PMAQI
12th Jul 2026295 PMAQI
12th Jul 2026296 PMAQI
12th Jul 2026317 PMAQI
12th Jul 2026368 PMAQI
12th Jul 2026389 PMAQI
12th Jul 20263810 PMAQI
12th Jul 20264011 PMAQI
13th Jul 20263812 AMAQI
13th Jul 2026441 AMAQI
13th Jul 2026382 AMAQI
13th Jul 2026363 AMAQI
13th Jul 2026334 AMAQI
29°C25/37°C
13th Jul 2026335 AMAQI
13th Jul 2026336 AMAQI
13th Jul 2026337 AMAQI
13th Jul 2026338 AMAQI
13th Jul 2026339 AMAQI
13th Jul 20264410 AMAQI
13th Jul 20264811 AMAQI
13th Jul 20264012 PMAQI
13th Jul 2026381 PMAQI
13th Jul 2026422 PMAQI
13th Jul 2026553 PMAQI
13th Jul 2026484 PMAQI
13th Jul 2026345 PMAQI
13th Jul 2026316 PMAQI
13th Jul 2026307 PMAQI
13th Jul 2026348 PMAQI
13th Jul 2026349 PMAQI
13th Jul 20266210 PMAQI
13th Jul 20264811 PMAQI
14th Jul 20267212 AMAQI
14th Jul 2026781 AMAQI
14th Jul 2026852 AMAQI
14th Jul 2026853 AMAQI
14th Jul 2026944 AMAQI
34°C28/42°C
14th Jul 2026925 AMAQI
14th Jul 2026986 AMAQI
14th Jul 2026947 AMAQI
14th Jul 2026948 AMAQI
14th Jul 2026889 AMAQI
14th Jul 20268210 AMAQI
14th Jul 20267811 AMAQI
14th Jul 20268312 PMAQI
14th Jul 2026811 PMAQI
14th Jul 2026762 PMAQI
14th Jul 2026723 PMAQI
14th Jul 2026744 PMAQI
14th Jul 2026715 PMAQI
14th Jul 2026686 PMAQI
14th Jul 2026657 PMAQI
14th Jul 2026578 PMAQI
14th Jul 2026389 PMAQI
14th Jul 20261410 PMAQI
14th Jul 20261211 PMAQI
15th Jul 20261012 AMAQI
15th Jul 2026101 AMAQI
15th Jul 2026122 AMAQI
15th Jul 2026143 AMAQI
15th Jul 2026154 AMAQI
33°C27/42°C
15th Jul 2026145 AMAQI
15th Jul 2026126 AMAQI
15th Jul 2026177 AMAQI
15th Jul 2026198 AMAQI
15th Jul 2026219 AMAQI
15th Jul 20262110 AMAQI
15th Jul 20262511 AMAQI
15th Jul 20262312 PMAQI
15th Jul 2026251 PMAQI
15th Jul 2026232 PMAQI
15th Jul 2026193 PMAQI
15th Jul 2026214 PMAQI
15th Jul 2026215 PMAQI
15th Jul 2026276 PMAQI
15th Jul 2026317 PMAQI
15th Jul 2026338 PMAQI
15th Jul 2026389 PMAQI
15th Jul 20264210 PMAQI
15th Jul 20264211 PMAQI
16th Jul 20264812 AMAQI
16th Jul 2026521 AMAQI
16th Jul 2026552 AMAQI
16th Jul 2026643 AMAQI
16th Jul 2026674 AMAQI
31°C26/36°C
16th Jul 2026665 AMAQI
16th Jul 2026686 AMAQI
16th Jul 2026707 AMAQI
16th Jul 2026838 AMAQI
16th Jul 2026889 AMAQI
16th Jul 20268910 AMAQI
16th Jul 20268411 AMAQI
16th Jul 20268512 PMAQI
16th Jul 2026761 PMAQI
16th Jul 2026742 PMAQI
16th Jul 2026763 PMAQI
16th Jul 2026784 PMAQI
16th Jul 2026805 PMAQI
16th Jul 2026836 PMAQI
16th Jul 2026857 PMAQI
16th Jul 2026858 PMAQI
16th Jul 2026859 PMAQI
16th Jul 20265810 PMAQI
16th Jul 20262111 PMAQI
17th Jul 20261112 AMAQI
17th Jul 2026101 AMAQI
17th Jul 2026122 AMAQI
17th Jul 2026103 AMAQI
17th Jul 2026104 AMAQI
32°C26/39°C
17th Jul 2026105 AMAQI
17th Jul 2026126 AMAQI
17th Jul 2026127 AMAQI
17th Jul 2026128 AMAQI
17th Jul 2026109 AMAQI
17th Jul 20261210 AMAQI
17th Jul 20261311 AMAQI
17th Jul 20262012 PMAQI
17th Jul 2026241 PMAQI
17th Jul 2026212 PMAQI
17th Jul 2026213 PMAQI
17th Jul 2026274 PMAQI
17th Jul 2026275 PMAQI
17th Jul 2026216 PMAQI
17th Jul 2026227 PMAQI
17th Jul 2026268 PMAQI
17th Jul 2026279 PMAQI
17th Jul 20263110 PMAQI
17th Jul 20263311 PMAQI
18th Jul 20263612 AMAQI
18th Jul 2026401 AMAQI
18th Jul 2026462 AMAQI
18th Jul 2026503 AMAQI
18th Jul 2026484 AMAQI
30°C25/35°C
18th Jul 2026525 AMAQI
18th Jul 2026566 AMAQI
18th Jul 2026577 AMAQI
18th Jul 2026588 AMAQI
18th Jul 2026649 AMAQI
18th Jul 20267110 AMAQI
18th Jul 20269611 AMAQI
18th Jul 202610412 PMAQI
18th Jul 2026831 PMAQI
18th Jul 2026742 PMAQI
18th Jul 2026723 PMAQI
18th Jul 2026624 PMAQI
18th Jul 2026665 PMAQI
18th Jul 2026646 PMAQI
18th Jul 2026667 PMAQI
18th Jul 2026648 PMAQI
18th Jul 2026609 PMAQI
18th Jul 20268010 PMAQI
18th Jul 20267611 PMAQI
19th Jul 20266712 AMAQI
19th Jul 2026621 AMAQI
19th Jul 2026902 AMAQI
19th Jul 2026883 AMAQI
19th Jul 2026944 AMAQI
30°C27/35°C
19th Jul 2026975 AMAQI
19th Jul 20261116 AMAQI
19th Jul 2026987 AMAQI
19th Jul 2026998 AMAQI
19th Jul 2026949 AMAQI
19th Jul 202610010 AMAQI
19th Jul 20269811 AMAQI
19th Jul 20268612 PMAQI
19th Jul 2026871 PMAQI
19th Jul 2026822 PMAQI
19th Jul 2026763 PMAQI
19th Jul 2026664 PMAQI
19th Jul 2026595 PMAQI
19th Jul 2026556 PMAQI
19th Jul 2026557 PMAQI
19th Jul 2026518 PMAQI
19th Jul 2026469 PMAQI
19th Jul 20265210 PMAQI
19th Jul 20266311 PMAQI
20th Jul 20266412 AMAQI
20th Jul 2026691 AMAQI
20th Jul 2026682 AMAQI
20th Jul 2026813 AMAQI
20th Jul 2026784 AMAQI
32°C25/41°C
20th Jul 2026735 AMAQI
20th Jul 2026756 AMAQI
20th Jul 2026707 AMAQI
20th Jul 2026628 AMAQI
20th Jul 2026629 AMAQI
20th Jul 20266310 AMAQI
20th Jul 20266611 AMAQI
20th Jul 20267012 PMAQI
20th Jul 2026741 PMAQI
20th Jul 2026722 PMAQI
20th Jul 2026763 PMAQI
20th Jul 2026734 PMAQI
20th Jul 2026715 PMAQI
20th Jul 2026766 PMAQI
20th Jul 2026787 PMAQI
20th Jul 2026788 PMAQI
20th Jul 2026769 PMAQI
20th Jul 20268010 PMAQI
20th Jul 20267811 PMAQI
21st Jul 20267412 AMAQI
21st Jul 2026821 AMAQI
21st Jul 2026832 AMAQI
21st Jul 2026873 AMAQI
21st Jul 2026894 AMAQI
33°C26/40°C
21st Jul 2026865 AMAQI
21st Jul 2026966 AMAQI
21st Jul 2026987 AMAQI
21st Jul 20261008 AMAQI
21st Jul 20261009 AMAQI
21st Jul 202610010 AMAQI
21st Jul 202610612 PMAQI
21st Jul 20261001 PMAQI
21st Jul 2026982 PMAQI
21st Jul 2026983 PMAQI
21st Jul 2026924 PMAQI
21st Jul 2026905 PMAQI
21st Jul 20261076 PMAQI
21st Jul 2026807 PMAQI
21st Jul 2026878 PMAQI
21st Jul 2026949 PMAQI
21st Jul 20268910 PMAQI
21st Jul 20267811 PMAQI
22nd Jul 20264912 AMAQI
22nd Jul 2026441 AMAQI
22nd Jul 2026402 AMAQI
22nd Jul 2026383 AMAQI
22nd Jul 2026334 AMAQI
32°C27/40°C
22nd Jul 2026365 AMAQI
22nd Jul 2026426 AMAQI
22nd Jul 2026497 AMAQI
22nd Jul 2026488 AMAQI
22nd Jul 2026509 AMAQI
22nd Jul 20264810 AMAQI
22nd Jul 20264811 AMAQI
22nd Jul 20264612 PMAQI
22nd Jul 2026461 PMAQI
22nd Jul 2026382 PMAQI
22nd Jul 2026383 PMAQI
22nd Jul 2026364 PMAQI
22nd Jul 2026385 PMAQI
22nd Jul 2026386 PMAQI
22nd Jul 2026427 PMAQI
22nd Jul 2026428 PMAQI
22nd Jul 2026499 PMAQI
22nd Jul 20265410 PMAQI
22nd Jul 20265411 PMAQI
23rd Jul 20265112 AMAQI
23rd Jul 2026421 AMAQI
23rd Jul 2026302 AMAQI
23rd Jul 2026293 AMAQI
23rd Jul 2026294 AMAQI
29°C23/40°C
23rd Jul 2026295 AMAQI
23rd Jul 2026296 AMAQI
23rd Jul 2026337 AMAQI
23rd Jul 2026408 AMAQI
23rd Jul 2026409 AMAQI
23rd Jul 20264010 AMAQI
23rd Jul 20264811 AMAQI
23rd Jul 20265212 PMAQI
23rd Jul 2026531 PMAQI
23rd Jul 2026522 PMAQI
23rd Jul 2026563 PMAQI
23rd Jul 2026654 PMAQI
23rd Jul 2026695 PMAQI
23rd Jul 2026716 PMAQI
23rd Jul 2026727 PMAQI
23rd Jul 2026708 PMAQI
23rd Jul 2026699 PMAQI
23rd Jul 20268110 PMAQI
23rd Jul 20268511 PMAQI
24th Jul 20268412 AMAQI
24th Jul 2026861 AMAQI
24th Jul 2026882 AMAQI
24th Jul 2026923 AMAQI
24th Jul 2026864 AMAQI
31°C24/40°C
24th Jul 2026755 AMAQI
24th Jul 2026716 AMAQI
24th Jul 2026787 AMAQI
24th Jul 2026728 AMAQI
24th Jul 2026739 AMAQI
24th Jul 20266710 AMAQI
24th Jul 20266311 AMAQI
24th Jul 20265912 PMAQI
24th Jul 2026571 PMAQI
24th Jul 2026552 PMAQI
24th Jul 2026553 PMAQI
24th Jul 2026544 PMAQI
24th Jul 2026515 PMAQI
24th Jul 2026516 PMAQI
24th Jul 2026537 PMAQI
24th Jul 2026578 PMAQI
24th Jul 2026589 PMAQI
24th Jul 20265910 PMAQI
24th Jul 20266911 PMAQI
25th Jul 20267612 AMAQI
25th Jul 2026841 AMAQI
25th Jul 2026822 AMAQI
25th Jul 2026853 AMAQI
25th Jul 2026854 AMAQI
32°C25/39°C
25th Jul 2026905 AMAQI
25th Jul 2026876 AMAQI
25th Jul 2026887 AMAQI
25th Jul 2026898 AMAQI
25th Jul 2026929 AMAQI
25th Jul 20269210 AMAQI
25th Jul 20268211 AMAQI
25th Jul 20268712 PMAQI
25th Jul 2026761 PMAQI
25th Jul 2026712 PMAQI
25th Jul 2026693 PMAQI
25th Jul 2026644 PMAQI
25th Jul 2026605 PMAQI
25th Jul 2026556 PMAQI
25th Jul 2026537 PMAQI
25th Jul 2026518 PMAQI
25th Jul 2026529 PMAQI
25th Jul 20265110 PMAQI
25th Jul 20265511 PMAQI
26th Jul 20265612 AMAQI
26th Jul 2026521 AMAQI
26th Jul 2026542 AMAQI
26th Jul 2026543 AMAQI
26th Jul 2026574 AMAQI
32°C26/39°C
26th Jul 2026595 AMAQI
26th Jul 2026646 AMAQI
26th Jul 2026667 AMAQI
26th Jul 2026688 AMAQI
26th Jul 2026699 AMAQI
26th Jul 20267210 AMAQI
26th Jul 20267811 AMAQI
26th Jul 20266912 PMAQI
26th Jul 2026671 PMAQI
26th Jul 2026642 PMAQI
26th Jul 2026563 PMAQI
26th Jul 2026524 PMAQI
26th Jul 2026465 PMAQI
26th Jul 2026466 PMAQI
26th Jul 2026517 PMAQI
26th Jul 2026548 PMAQI
26th Jul 2026589 PMAQI
26th Jul 20266410 PMAQI
26th Jul 20265611 PMAQI
27th Jul 20264012 AMAQI
27th Jul 2026231 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026233 AMAQI
27th Jul 2026254 AMAQI
34°C27/42°C
27th Jul 2026295 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20265011 AMAQI
27th Jul 20265912 PMAQI
27th Jul 2026681 PMAQI
27th Jul 2026642 PMAQI
27th Jul 2026653 PMAQI
27th Jul 2026574 PMAQI
27th Jul 2026555 PMAQI
27th Jul 2026516 PMAQI
27th Jul 2026517 PMAQI
27th Jul 2026538 PMAQI
27th Jul 2026579 PMAQI
27th Jul 20266410 PMAQI
27th Jul 20266611 PMAQI
28th Jul 20266412 AMAQI
28th Jul 2026581 AMAQI
28th Jul 2026552 AMAQI
28th Jul 2026463 AMAQI
28th Jul 2026444 AMAQI
32°C27/39°C
28th Jul 2026465 AMAQI
28th Jul 2026446 AMAQI
28th Jul 2026457 AMAQI
28th Jul 2026578 AMAQI
28th Jul 2026569 AMAQI
28th Jul 20265810 AMAQI
28th Jul 20265111 AMAQI
28th Jul 20264412 PMAQI
28th Jul 2026381 PMAQI
28th Jul 2026232 PMAQI
28th Jul 2026273 PMAQI
28th Jul 2026274 PMAQI
28th Jul 2026275 PMAQI
28th Jul 2026276 PMAQI
28th Jul 2026297 PMAQI
28th Jul 2026298 PMAQI
28th Jul 2026259 PMAQI
28th Jul 20262310 PMAQI
28th Jul 20262711 PMAQI
29th Jul 20262912 AMAQI
29th Jul 2026311 AMAQI
29th Jul 2026212 AMAQI
29th Jul 2026213 AMAQI
29th Jul 2026214 AMAQI
31°C25/38°C
29th Jul 2026215 AMAQI
29th Jul 2026216 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026238 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20262910 AMAQI
29th Jul 20263111 AMAQI
29th Jul 20263312 PMAQI
29th Jul 2026291 PMAQI
29th Jul 2026272 PMAQI
29th Jul 2026273 PMAQI
29th Jul 2026234 PMAQI
29th Jul 2026235 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262712 AMAQI
30th Jul 2026271 AMAQI
30th Jul 2026272 AMAQI
30th Jul 2026333 AMAQI
30th Jul 2026384 AMAQI
31°C26/38°C
30th Jul 2026445 AMAQI
30th Jul 2026486 AMAQI
30th Jul 2026497 AMAQI
30th Jul 2026468 AMAQI
30th Jul 2026499 AMAQI
30th Jul 20265210 AMAQI
30th Jul 20263611 AMAQI
30th Jul 20266512 PMAQI
30th Jul 2026621 PMAQI
30th Jul 2026572 PMAQI
30th Jul 2026523 PMAQI
30th Jul 2026514 PMAQI
30th Jul 2026495 PMAQI
30th Jul 2026486 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026298 PMAQI
30th Jul 2026319 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20262311 PMAQI
31st Jul 20262312 AMAQI
31st Jul 2026211 AMAQI
31st Jul 2026212 AMAQI
31st Jul 2026213 AMAQI
31st Jul 2026214 AMAQI
32°C26/40°C
31st Jul 2026255 AMAQI
31st Jul 2026296 AMAQI
31st Jul 2026217 AMAQI
31st Jul 2026218 AMAQI
31st Jul 2026219 AMAQI
31st Jul 20262310 AMAQI
31st Jul 20263611 AMAQI
31st Jul 20263612 PMAQI
31st Jul 2026441 PMAQI
31st Jul 2026562 PMAQI
31st Jul 2026623 PMAQI
31st Jul 2026584 PMAQI
31st Jul 2026675 PMAQI
31st Jul 2026706 PMAQI
31st Jul 2026647 PMAQI
31st Jul 2026568 PMAQI
31st Jul 2026529 PMAQI
31st Jul 20265310 PMAQI
31st Jul 20264911 PMAQI
1st Aug 20264612 AMAQI
1st Aug 2026441 AMAQI
1st Aug 2026212 AMAQI
1st Aug 2026313 AMAQI
1st Aug 2026294 AMAQI
28°C25/34°C
1st Aug 2026275 AMAQI
1st Aug 2026256 AMAQI
1st Aug 2026257 AMAQI
1st Aug 2026238 AMAQI
1st Aug 2026239 AMAQI
1st Aug 20261910 AMAQI
1st Aug 20262311 AMAQI
1st Aug 20263112 PMAQI
1st Aug 2026271 PMAQI
1st Aug 2026312 PMAQI
1st Aug 2026273 PMAQI
1st Aug 2026254 PMAQI
1st Aug 2026275 PMAQI
1st Aug 2026236 PMAQI
1st Aug 2026327 PMAQI
1st Aug 2026368 PMAQI
1st Aug 2026279 PMAQI
1st Aug 20262710 PMAQI
1st Aug 20262711 PMAQI
2nd Aug 20262512 AMAQI
2nd Aug 2026251 AMAQI
2nd Aug 2026272 AMAQI
2nd Aug 2026273 AMAQI
2nd Aug 2026254 AMAQI
26°C23/29°C
2nd Aug 2026275 AMAQI
5 AM2nd Aug 2026296 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026338 AMAQI
2nd Aug 2026319 AMAQI
2nd Aug 20262910 AMAQI
2nd Aug 20262911 AMAQI
2nd Aug 20262912 PMAQI
12 PM2nd Aug 2026331 PMAQI
2nd Aug 2026362 PMAQI
2nd Aug 2026383 PMAQI
2nd Aug 2026364 PMAQI
2nd Aug 2026255 PMAQI
2nd Aug 2026216 PMAQI
2nd Aug 2026237 PMAQI
7 PM2nd Aug 2026238 PMAQI
2nd Aug 2026259 PMAQI
2nd Aug 20262310 PMAQI
2nd Aug 20262311 PMAQI
12 AM
4 AM
22°C20/25°C
Day time
Avg. Highest Time
12 PM
58AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 PM - 7 PM
50AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 12 PM (Avg. 58), while the lowest AQI was between 5 PM to 7 PM (Avg. 50).
Night time
Avg. Highest Time
3 AM - 4 AM
50AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM - 2 AM
48AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 4 AM (Avg. 50), while the lowest AQI was between 12 AM to 2 AM (Avg. 48).
2026 Days Vs Air Quality
Cotan, Xian, Shaanxi, China
2026
15%
32
48%
103
26%
55
11%
24
Total number of days with different AQI categories in last 214 days in 2026 (151 days remaining)
Good
32 DaysModerate
103 DaysPoor
55 DaysUnhealthy
24 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 15%
Health Risk Level:
Extreme
In 2026, 15% of 214 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
Cotan, Xian, Shaanxi, 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
112AQI (US)
112AQI (US)
2nd January 2026
164AQI (US)
164AQI (US)
3rd January 2026
185AQI (US)
185AQI (US)
4th January 2026
146AQI (US)
146AQI (US)
5th January 2026
124AQI (US)
124AQI (US)
6th January 2026
72AQI (US)
72AQI (US)
7th January 2026
118AQI (US)
118AQI (US)
8th January 2026
99AQI (US)
99AQI (US)
9th January 2026
112AQI (US)
112AQI (US)
10th January 2026
73AQI (US)
73AQI (US)
11th January 2026
83AQI (US)
83AQI (US)
12th January 2026
146AQI (US)
146AQI (US)
13th January 2026
150AQI (US)
150AQI (US)
14th January 2026
146AQI (US)
146AQI (US)
15th January 2026
146AQI (US)
146AQI (US)
16th January 2026
155AQI (US)
155AQI (US)
17th January 2026
157AQI (US)
157AQI (US)
18th January 2026
166AQI (US)
166AQI (US)
19th January 2026
100AQI (US)
100AQI (US)
20th January 2026
59AQI (US)
59AQI (US)
21st January 2026
108AQI (US)
108AQI (US)
22nd January 2026
150AQI (US)
150AQI (US)
23rd January 2026
165AQI (US)
165AQI (US)
24th January 2026
180AQI (US)
180AQI (US)
25th January 2026
180AQI (US)
180AQI (US)
26th January 2026
155AQI (US)
155AQI (US)
27th January 2026
142AQI (US)
142AQI (US)
28th January 2026
176AQI (US)
176AQI (US)
29th January 2026
138AQI (US)
138AQI (US)
30th January 2026
144AQI (US)
144AQI (US)
31st January 2026
169AQI (US)
169AQI (US)
1st February 2026
162AQI (US)
162AQI (US)
2nd February 2026
148AQI (US)
148AQI (US)
3rd February 2026
163AQI (US)
163AQI (US)
4th February 2026
166AQI (US)
166AQI (US)
5th February 2026
168AQI (US)
168AQI (US)
6th February 2026
162AQI (US)
162AQI (US)
7th February 2026
98AQI (US)
98AQI (US)
8th February 2026
117AQI (US)
117AQI (US)
9th February 2026
136AQI (US)
136AQI (US)
10th February 2026
94AQI (US)
94AQI (US)
11th February 2026
131AQI (US)
131AQI (US)
12th February 2026
148AQI (US)
148AQI (US)
13th February 2026
141AQI (US)
141AQI (US)
14th February 2026
162AQI (US)
162AQI (US)
15th February 2026
86AQI (US)
86AQI (US)
16th February 2026
85AQI (US)
85AQI (US)
17th February 2026
144AQI (US)
144AQI (US)
18th February 2026
160AQI (US)
160AQI (US)
19th February 2026
119AQI (US)
119AQI (US)
20th February 2026
112AQI (US)
112AQI (US)
21st February 2026
123AQI (US)
123AQI (US)
22nd February 2026
106AQI (US)
106AQI (US)
23rd February 2026
101AQI (US)
101AQI (US)
24th February 2026
73AQI (US)
73AQI (US)
25th February 2026
130AQI (US)
130AQI (US)
26th February 2026
135AQI (US)
135AQI (US)
27th February 2026
109AQI (US)
109AQI (US)
28th February 2026
102AQI (US)
102AQI (US)
1st March 2026
41AQI (US)
41AQI (US)
2nd March 2026
68AQI (US)
68AQI (US)
3rd March 2026
103AQI (US)
103AQI (US)
4th March 2026
151AQI (US)
151AQI (US)
5th March 2026
139AQI (US)
139AQI (US)
6th March 2026
106AQI (US)
106AQI (US)
7th March 2026
96AQI (US)
96AQI (US)
8th March 2026
117AQI (US)
117AQI (US)
9th March 2026
100AQI (US)
100AQI (US)
10th March 2026
151AQI (US)
151AQI (US)
11th March 2026
160AQI (US)
160AQI (US)
12th March 2026
159AQI (US)
159AQI (US)
13th March 2026
160AQI (US)
160AQI (US)
14th March 2026
116AQI (US)
116AQI (US)
15th March 2026
73AQI (US)
73AQI (US)
16th March 2026
108AQI (US)
108AQI (US)
17th March 2026
107AQI (US)
107AQI (US)
18th March 2026
70AQI (US)
70AQI (US)
19th March 2026
100AQI (US)
100AQI (US)
20th March 2026
112AQI (US)
112AQI (US)
21st March 2026
140AQI (US)
140AQI (US)
22nd March 2026
129AQI (US)
129AQI (US)
23rd March 2026
134AQI (US)
134AQI (US)
24th March 2026
122AQI (US)
122AQI (US)
25th March 2026
126AQI (US)
126AQI (US)
26th March 2026
154AQI (US)
154AQI (US)
27th March 2026
124AQI (US)
124AQI (US)
28th March 2026
93AQI (US)
93AQI (US)
29th March 2026
86AQI (US)
86AQI (US)
30th March 2026
66AQI (US)
66AQI (US)
31st March 2026
70AQI (US)
70AQI (US)
1st April 2026
79AQI (US)
79AQI (US)
2nd April 2026
111AQI (US)
111AQI (US)
3rd April 2026
94AQI (US)
94AQI (US)
4th April 2026
86AQI (US)
86AQI (US)
5th April 2026
107AQI (US)
107AQI (US)
6th April 2026
101AQI (US)
101AQI (US)
7th April 2026
121AQI (US)
121AQI (US)
8th April 2026
108AQI (US)
108AQI (US)
9th April 2026
104AQI (US)
104AQI (US)
10th April 2026
96AQI (US)
96AQI (US)
11th April 2026
100AQI (US)
100AQI (US)
12th April 2026
118AQI (US)
118AQI (US)
13th April 2026
106AQI (US)
106AQI (US)
14th April 2026
95AQI (US)
95AQI (US)
15th April 2026
88AQI (US)
88AQI (US)
16th April 2026
52AQI (US)
52AQI (US)
17th April 2026
70AQI (US)
70AQI (US)
18th April 2026
67AQI (US)
67AQI (US)
19th April 2026
90AQI (US)
90AQI (US)
20th April 2026
95AQI (US)
95AQI (US)
21st April 2026
44AQI (US)
44AQI (US)
22nd April 2026
41AQI (US)
41AQI (US)
23rd April 2026
63AQI (US)
63AQI (US)
24th April 2026
85AQI (US)
85AQI (US)
25th April 2026
73AQI (US)
73AQI (US)
26th April 2026
90AQI (US)
90AQI (US)
27th April 2026
91AQI (US)
91AQI (US)
28th April 2026
104AQI (US)
104AQI (US)
29th April 2026
94AQI (US)
94AQI (US)
30th April 2026
79AQI (US)
79AQI (US)
1st May 2026
73AQI (US)
73AQI (US)
2nd May 2026
61AQI (US)
61AQI (US)
3rd May 2026
34AQI (US)
34AQI (US)
4th May 2026
45AQI (US)
45AQI (US)
5th May 2026
60AQI (US)
60AQI (US)
6th May 2026
71AQI (US)
71AQI (US)
7th May 2026
46AQI (US)
46AQI (US)
8th May 2026
57AQI (US)
57AQI (US)
9th May 2026
55AQI (US)
55AQI (US)
10th May 2026
67AQI (US)
67AQI (US)
11th May 2026
78AQI (US)
78AQI (US)
12th May 2026
121AQI (US)
121AQI (US)
13th May 2026
55AQI (US)
55AQI (US)
14th May 2026
70AQI (US)
70AQI (US)
15th May 2026
87AQI (US)
87AQI (US)
16th May 2026
78AQI (US)
78AQI (US)
17th May 2026
77AQI (US)
77AQI (US)
18th May 2026
74AQI (US)
74AQI (US)
19th May 2026
75AQI (US)
75AQI (US)
20th May 2026
88AQI (US)
88AQI (US)
21st May 2026
101AQI (US)
101AQI (US)
22nd May 2026
100AQI (US)
100AQI (US)
23rd May 2026
89AQI (US)
89AQI (US)
24th May 2026
83AQI (US)
83AQI (US)
25th May 2026
84AQI (US)
84AQI (US)
26th May 2026
62AQI (US)
62AQI (US)
27th May 2026
94AQI (US)
94AQI (US)
28th May 2026
64AQI (US)
64AQI (US)
29th May 2026
52AQI (US)
52AQI (US)
30th May 2026
53AQI (US)
53AQI (US)
31st May 2026
75AQI (US)
75AQI (US)
1st June 2026
69AQI (US)
69AQI (US)
2nd June 2026
89AQI (US)
89AQI (US)
3rd June 2026
90AQI (US)
90AQI (US)
4th June 2026
74AQI (US)
74AQI (US)
5th June 2026
75AQI (US)
75AQI (US)
6th June 2026
51AQI (US)
51AQI (US)
7th June 2026
61AQI (US)
61AQI (US)
8th June 2026
42AQI (US)
42AQI (US)
9th June 2026
50AQI (US)
50AQI (US)
10th June 2026
56AQI (US)
56AQI (US)
11th June 2026
56AQI (US)
56AQI (US)
12th June 2026
33AQI (US)
33AQI (US)
13th June 2026
50AQI (US)
50AQI (US)
14th June 2026
67AQI (US)
67AQI (US)
15th June 2026
62AQI (US)
62AQI (US)
16th June 2026
59AQI (US)
59AQI (US)
17th June 2026
75AQI (US)
75AQI (US)
18th June 2026
29AQI (US)
29AQI (US)
19th June 2026
57AQI (US)
57AQI (US)
20th June 2026
46AQI (US)
46AQI (US)
21st June 2026
46AQI (US)
46AQI (US)
22nd June 2026
30AQI (US)
30AQI (US)
23rd June 2026
57AQI (US)
57AQI (US)
24th June 2026
43AQI (US)
43AQI (US)
25th June 2026
71AQI (US)
71AQI (US)
26th June 2026
46AQI (US)
46AQI (US)
27th June 2026
63AQI (US)
63AQI (US)
28th June 2026
73AQI (US)
73AQI (US)
29th June 2026
69AQI (US)
69AQI (US)
30th June 2026
57AQI (US)
57AQI (US)
1st July 2026
47AQI (US)
47AQI (US)
2nd July 2026
65AQI (US)
65AQI (US)
3rd July 2026
59AQI (US)
59AQI (US)
4th July 2026
42AQI (US)
42AQI (US)
5th July 2026
58AQI (US)
58AQI (US)
6th July 2026
73AQI (US)
73AQI (US)
7th July 2026
45AQI (US)
45AQI (US)
8th July 2026
69AQI (US)
69AQI (US)
9th July 2026
62AQI (US)
62AQI (US)
10th July 2026
49AQI (US)
49AQI (US)
11th July 2026
56AQI (US)
56AQI (US)
12th July 2026
25AQI (US)
25AQI (US)
13th July 2026
39AQI (US)
39AQI (US)
14th July 2026
73AQI (US)
73AQI (US)
15th July 2026
22AQI (US)
22AQI (US)
16th July 2026
72AQI (US)
72AQI (US)
17th July 2026
18AQI (US)
18AQI (US)
18th July 2026
64AQI (US)
64AQI (US)
19th July 2026
78AQI (US)
78AQI (US)
20th July 2026
72AQI (US)
72AQI (US)
21st July 2026
92AQI (US)
92AQI (US)
22nd July 2026
44AQI (US)
44AQI (US)
23rd July 2026
51AQI (US)
51AQI (US)
24th July 2026
67AQI (US)
67AQI (US)
25th July 2026
74AQI (US)
74AQI (US)
26th July 2026
60AQI (US)
60AQI (US)
27th July 2026
43AQI (US)
43AQI (US)
28th July 2026
40AQI (US)
40AQI (US)
29th July 2026
25AQI (US)
25AQI (US)
30th July 2026
41AQI (US)
41AQI (US)
31st July 2026
40AQI (US)
40AQI (US)
1st August 2026
28AQI (US)
28AQI (US)
2nd August 2026
28AQI (US)
28AQI (US)
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
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
136AQI (US)
128AQI (US)
112AQI (US)
88AQI (US)
72AQI (US)
58AQI (US)
54AQI (US)
28AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202692AQI (US)
6
14
11
5
16
7
1
10
14
6
2
19
9
3
26
2
10
20
14
17
2
32
103
55
24
Highest AQI (US) recorded in
January136AQI (US)
Lowest AQI (US) recorded in
August28AQI (US)
2025102AQI (US)
5
16
9
1
6
14
8
13
15
2
1
6
22
1
1
17
10
2
1
1
30
31
31
3
27
4
19
8
2
5
16
7
1
13
17
9
191
114
46
4
1
Highest AQI (US) recorded in
December154AQI (US)
Lowest AQI (US) recorded in
September59AQI (US)
202499AQI (US)
1
4
15
9
5
14
8
2
4
5
1
11
1
29
3
27
1
31
2
22
2
3
2
11
13
5
2
10
12
6
4
23
4
12
158
85
35
2
Highest AQI (US) recorded in
February138AQI (US)
Lowest AQI (US) recorded in
July65AQI (US)
202396AQI (US)
6
8
5
2
5
11
11
1
10
18
3
2
15
7
4
1
1
27
4
30
2
23
1
9
21
1
2
22
1
3
15
12
1
15
8
3
11
10
10
18
200
81
37
4
1
Highest AQI (US) recorded in
February140AQI (US)
Lowest AQI (US) recorded in
August58AQI (US)
20219AQI (US)
1
1
Highest AQI (US) recorded in
January9AQI (US)
Lowest AQI (US) recorded in
January9AQI (US)
2020107AQI (US)
3
8
1
1
5
16
12
6
1
20
9
3
17
11
8
20
3
18
12
1
15
12
3
5
10
14
1
4
5
19
3
13
119
92
37
5
Highest AQI (US) recorded in
December155AQI (US)
Lowest AQI (US) recorded in
August69AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
107AQI (US)Least Polluted Year Recorded
2021(Avg.)
9AQI (US)Cotan's annual 2026 AQI (US) (92) shows an average percentage change of 177.4% (worsened AQI (US)) compared to previous years: 2020 (107), 2021 (9), 2023 (96), 2024 (99), 2025 (102).
