Yichuan County Environmental Protection Bureau, Hancheng, 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
Yichuan County Environmental Protection Bureau, Hancheng, Shaanxi, China
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
17th Aug 2023
110AQILowest AQI recorded on
20th Aug 2024
22AQISame Day Analysis (18th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 52 of Moderate air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 17th Aug - 18th Aug 2026
Yichuan County Environmental Protection Bureau, Hancheng, Shaanxi, China
AQI
Day
Night
.
5 AM17th Aug 2026
7 PM
4 AM18th Aug 2026
Day time
Avg. Highest Time
1PM17th Aug
76AQI
Avg. Lowest Time
5AM17th Aug
54AQI
Night time
Avg. Highest Time
10PM17th Aug
58AQI
Avg. Lowest Time
1AM18th Aug
47AQI
In the last 24 hours,
Yichuan County Environmental Protection Bureau's AQI reached its highest point of 76 at 1 PM during the Day, while the lowest point, 47, was recorded at 1 AM during the Night between 17th Aug and 18th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Yichuan County Environmental Protection Bureau, Hancheng, Shaanxi, China
JulAug
20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
20th Jul 2026425 AMAQI
20th Jul 2026386 AMAQI
20th Jul 2026277 AMAQI
20th Jul 2026338 AMAQI
20th Jul 2026369 AMAQI
20th Jul 20264610 AMAQI
20th Jul 20263611 AMAQI
20th Jul 20263812 PMAQI
20th Jul 2026501 PMAQI
20th Jul 2026442 PMAQI
20th Jul 2026483 PMAQI
20th Jul 2026464 PMAQI
20th Jul 2026525 PMAQI
20th Jul 2026516 PMAQI
20th Jul 2026527 PMAQI
20th Jul 2026578 PMAQI
20th Jul 2026599 PMAQI
20th Jul 20266210 PMAQI
20th Jul 20267011 PMAQI
21st Jul 20268112 AMAQI
21st Jul 2026741 AMAQI
21st Jul 2026762 AMAQI
21st Jul 2026683 AMAQI
21st Jul 2026624 AMAQI
26°C19/35°C
21st Jul 2026645 AMAQI
21st Jul 2026596 AMAQI
21st Jul 2026647 AMAQI
21st Jul 2026628 AMAQI
21st Jul 2026629 AMAQI
21st Jul 20266010 AMAQI
21st Jul 20266412 PMAQI
21st Jul 2026651 PMAQI
21st Jul 2026622 PMAQI
21st Jul 2026523 PMAQI
21st Jul 2026444 PMAQI
21st Jul 2026485 PMAQI
21st Jul 2026836 PMAQI
21st Jul 2026467 PMAQI
21st Jul 2026528 PMAQI
21st Jul 2026569 PMAQI
21st Jul 20265310 PMAQI
21st Jul 20265311 PMAQI
22nd Jul 20265112 AMAQI
22nd Jul 2026511 AMAQI
22nd Jul 2026552 AMAQI
22nd Jul 2026553 AMAQI
22nd Jul 2026504 AMAQI
23°C18/31°C
22nd Jul 2026535 AMAQI
22nd Jul 2026456 AMAQI
22nd Jul 2026427 AMAQI
22nd Jul 2026468 AMAQI
22nd Jul 2026449 AMAQI
22nd Jul 20264210 AMAQI
22nd Jul 20263611 AMAQI
22nd Jul 20262612 PMAQI
22nd Jul 2026271 PMAQI
22nd Jul 2026342 PMAQI
22nd Jul 2026333 PMAQI
22nd Jul 2026314 PMAQI
22nd Jul 2026275 PMAQI
22nd Jul 2026336 PMAQI
22nd Jul 2026407 PMAQI
22nd Jul 2026468 PMAQI
22nd Jul 2026549 PMAQI
22nd Jul 20266010 PMAQI
22nd Jul 20266411 PMAQI
23rd Jul 20265712 AMAQI
23rd Jul 2026581 AMAQI
23rd Jul 2026422 AMAQI
23rd Jul 2026463 AMAQI
23rd Jul 2026514 AMAQI
23°C16/32°C
23rd Jul 2026535 AMAQI
23rd Jul 2026536 AMAQI
23rd Jul 2026537 AMAQI
23rd Jul 2026508 AMAQI
23rd Jul 2026659 AMAQI
23rd Jul 20267410 AMAQI
23rd Jul 20265611 AMAQI
23rd Jul 20265812 PMAQI
23rd Jul 2026621 PMAQI
23rd Jul 2026652 PMAQI
23rd Jul 2026603 PMAQI
23rd Jul 2026564 PMAQI
23rd Jul 2026565 PMAQI
23rd Jul 2026566 PMAQI
23rd Jul 2026567 PMAQI
23rd Jul 2026608 PMAQI
23rd Jul 2026729 PMAQI
23rd Jul 20268010 PMAQI
23rd Jul 20268211 PMAQI
24th Jul 20268412 AMAQI
24th Jul 2026791 AMAQI
24th Jul 2026782 AMAQI
24th Jul 2026763 AMAQI
24th Jul 2026804 AMAQI
24°C17/33°C
24th Jul 2026645 AMAQI
24th Jul 2026586 AMAQI
24th Jul 2026467 AMAQI
24th Jul 2026368 AMAQI
24th Jul 2026429 AMAQI
24th Jul 20263610 AMAQI
24th Jul 20262911 AMAQI
24th Jul 20263312 PMAQI
24th Jul 2026381 PMAQI
24th Jul 2026422 PMAQI
24th Jul 2026383 PMAQI
24th Jul 2026384 PMAQI
24th Jul 2026405 PMAQI
24th Jul 2026446 PMAQI
24th Jul 2026527 PMAQI
24th Jul 2026538 PMAQI
24th Jul 2026529 PMAQI
24th Jul 20265410 PMAQI
24th Jul 20266211 PMAQI
25th Jul 20266812 AMAQI
25th Jul 2026641 AMAQI
25th Jul 2026602 AMAQI
25th Jul 2026663 AMAQI
25th Jul 2026664 AMAQI
25°C19/32°C
25th Jul 2026675 AMAQI
25th Jul 2026686 AMAQI
25th Jul 2026737 AMAQI
25th Jul 2026788 AMAQI
25th Jul 2026839 AMAQI
25th Jul 20268510 AMAQI
25th Jul 20267811 AMAQI
25th Jul 20266912 PMAQI
25th Jul 2026681 PMAQI
25th Jul 2026712 PMAQI
25th Jul 2026683 PMAQI
25th Jul 2026744 PMAQI
25th Jul 2026705 PMAQI
25th Jul 2026706 PMAQI
25th Jul 2026697 PMAQI
25th Jul 2026738 PMAQI
25th Jul 2026749 PMAQI
25th Jul 20266910 PMAQI
25th Jul 20267111 PMAQI
26th Jul 20266912 AMAQI
26th Jul 2026681 AMAQI
26th Jul 2026682 AMAQI
26th Jul 2026753 AMAQI
26th Jul 2026764 AMAQI
25°C19/32°C
26th Jul 2026735 AMAQI
26th Jul 2026786 AMAQI
26th Jul 2026807 AMAQI
26th Jul 2026728 AMAQI
26th Jul 2026769 AMAQI
26th Jul 20268010 AMAQI
26th Jul 20267411 AMAQI
26th Jul 20266512 PMAQI
26th Jul 2026601 PMAQI
26th Jul 2026562 PMAQI
26th Jul 2026593 PMAQI
26th Jul 2026554 PMAQI
26th Jul 2026565 PMAQI
26th Jul 2026536 PMAQI
26th Jul 2026477 PMAQI
26th Jul 2026468 PMAQI
26th Jul 2026589 PMAQI
26th Jul 20266810 PMAQI
26th Jul 20266011 PMAQI
27th Jul 20265612 AMAQI
27th Jul 2026531 AMAQI
27th Jul 2026542 AMAQI
27th Jul 2026333 AMAQI
27th Jul 2026214 AMAQI
25°C20/31°C
27th Jul 2026235 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026317 AMAQI
27th Jul 2026278 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20263011 AMAQI
27th Jul 20262912 PMAQI
27th Jul 2026381 PMAQI
27th Jul 2026502 PMAQI
27th Jul 2026443 PMAQI
27th Jul 2026404 PMAQI
27th Jul 2026495 PMAQI
27th Jul 2026526 PMAQI
27th Jul 2026527 PMAQI
27th Jul 2026508 PMAQI
27th Jul 2026519 PMAQI
27th Jul 20265310 PMAQI
27th Jul 20265311 PMAQI
28th Jul 20265312 AMAQI
28th Jul 2026521 AMAQI
28th Jul 2026552 AMAQI
28th Jul 2026553 AMAQI
28th Jul 2026514 AMAQI
25°C21/29°C
28th Jul 2026485 AMAQI
28th Jul 2026526 AMAQI
28th Jul 2026557 AMAQI
28th Jul 2026588 AMAQI
28th Jul 2026629 AMAQI
28th Jul 20266710 AMAQI
28th Jul 20265911 AMAQI
28th Jul 20264912 PMAQI
28th Jul 2026441 PMAQI
28th Jul 2026442 PMAQI
28th Jul 2026383 PMAQI
28th Jul 2026384 PMAQI
28th Jul 2026305 PMAQI
28th Jul 2026236 PMAQI
28th Jul 2026277 PMAQI
28th Jul 2026278 PMAQI
28th Jul 2026389 PMAQI
28th Jul 20264710 PMAQI
28th Jul 20265511 PMAQI
29th Jul 20265312 AMAQI
29th Jul 2026501 AMAQI
29th Jul 2026482 AMAQI
29th Jul 2026443 AMAQI
29th Jul 2026424 AMAQI
24°C20/28°C
29th Jul 2026385 AMAQI
29th Jul 2026386 AMAQI
29th Jul 2026537 AMAQI
29th Jul 2026428 AMAQI
29th Jul 2026519 AMAQI
29th Jul 20266710 AMAQI
29th Jul 20265311 AMAQI
29th Jul 20263812 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026292 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026294 PMAQI
29th Jul 2026295 PMAQI
29th Jul 2026296 PMAQI
29th Jul 2026297 PMAQI
29th Jul 2026298 PMAQI
29th Jul 2026299 PMAQI
29th Jul 20263310 PMAQI
29th Jul 20264011 PMAQI
30th Jul 20264012 AMAQI
30th Jul 2026361 AMAQI
30th Jul 2026402 AMAQI
30th Jul 2026483 AMAQI
30th Jul 2026564 AMAQI
24°C20/29°C
30th Jul 2026495 AMAQI
30th Jul 2026546 AMAQI
30th Jul 2026557 AMAQI
30th Jul 2026608 AMAQI
30th Jul 2026609 AMAQI
30th Jul 20265910 AMAQI
30th Jul 20264811 AMAQI
30th Jul 20264012 PMAQI
30th Jul 2026361 PMAQI
30th Jul 2026272 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026264 PMAQI
30th Jul 2026275 PMAQI
30th Jul 2026326 PMAQI
30th Jul 2026387 PMAQI
30th Jul 2026388 PMAQI
30th Jul 2026319 PMAQI
30th Jul 20262110 PMAQI
30th Jul 20262511 PMAQI
31st Jul 20262712 AMAQI
31st Jul 2026241 AMAQI
31st Jul 2026352 AMAQI
31st Jul 2026383 AMAQI
31st Jul 2026364 AMAQI
24°C19/31°C
31st Jul 2026345 AMAQI
31st Jul 2026296 AMAQI
31st Jul 2026367 AMAQI
31st Jul 2026238 AMAQI
31st Jul 2026299 AMAQI
31st Jul 20263610 AMAQI
31st Jul 20263611 AMAQI
31st Jul 20262712 PMAQI
31st Jul 2026311 PMAQI
31st Jul 2026382 PMAQI
31st Jul 2026383 PMAQI
31st Jul 2026314 PMAQI
31st Jul 2026315 PMAQI
31st Jul 2026366 PMAQI
31st Jul 2026387 PMAQI
31st Jul 2026448 PMAQI
31st Jul 2026509 PMAQI
31st Jul 20264210 PMAQI
31st Jul 20264211 PMAQI
1st Aug 20264012 AMAQI
1st Aug 2026291 AMAQI
1st Aug 2026252 AMAQI
1st Aug 2026273 AMAQI
1st Aug 2026274 AMAQI
23°C20/27°C
1st Aug 2026235 AMAQI
1st Aug 2026236 AMAQI
1st Aug 2026217 AMAQI
1st Aug 2026278 AMAQI
1st Aug 2026259 AMAQI
1st Aug 20262910 AMAQI
1st Aug 20263611 AMAQI
1st Aug 20263612 PMAQI
1st Aug 2026341 PMAQI
1st Aug 2026252 PMAQI
1st Aug 2026273 PMAQI
1st Aug 2026274 PMAQI
1st Aug 2026295 PMAQI
1st Aug 2026316 PMAQI
1st Aug 2026317 PMAQI
1st Aug 2026318 PMAQI
1st Aug 2026409 PMAQI
1st Aug 20263610 PMAQI
1st Aug 20264411 PMAQI
2nd Aug 20265812 AMAQI
2nd Aug 2026601 AMAQI
2nd Aug 2026582 AMAQI
2nd Aug 2026603 AMAQI
2nd Aug 2026524 AMAQI
23°C20/28°C
2nd Aug 2026525 AMAQI
2nd Aug 2026426 AMAQI
2nd Aug 2026317 AMAQI
2nd Aug 2026348 AMAQI
2nd Aug 2026299 AMAQI
2nd Aug 20262710 AMAQI
2nd Aug 20263111 AMAQI
2nd Aug 20263812 PMAQI
2nd Aug 2026461 PMAQI
2nd Aug 2026402 PMAQI
2nd Aug 2026383 PMAQI
2nd Aug 2026294 PMAQI
2nd Aug 2026255 PMAQI
2nd Aug 2026236 PMAQI
2nd Aug 2026237 PMAQI
2nd Aug 2026258 PMAQI
2nd Aug 2026259 PMAQI
2nd Aug 20262510 PMAQI
2nd Aug 20262111 PMAQI
3rd Aug 20262112 AMAQI
3rd Aug 2026231 AMAQI
3rd Aug 2026212 AMAQI
3rd Aug 2026233 AMAQI
3rd Aug 2026214 AMAQI
21°C17/27°C
3rd Aug 2026275 AMAQI
3rd Aug 2026276 AMAQI
3rd Aug 2026217 AMAQI
3rd Aug 2026218 AMAQI
3rd Aug 2026219 AMAQI
3rd Aug 20262710 AMAQI
3rd Aug 20262911 AMAQI
3rd Aug 20262912 PMAQI
3rd Aug 2026231 PMAQI
3rd Aug 2026232 PMAQI
3rd Aug 2026303 PMAQI
3rd Aug 2026214 PMAQI
3rd Aug 2026235 PMAQI
3rd Aug 2026236 PMAQI
3rd Aug 2026347 PMAQI
3rd Aug 2026328 PMAQI
3rd Aug 2026229 PMAQI
3rd Aug 20262610 PMAQI
3rd Aug 20262811 PMAQI
4th Aug 20263412 AMAQI
4th Aug 2026461 AMAQI
4th Aug 2026382 AMAQI
4th Aug 2026273 AMAQI
4th Aug 2026334 AMAQI
18°C17/19°C
4th Aug 2026255 AMAQI
4th Aug 2026226 AMAQI
4th Aug 2026217 AMAQI
4th Aug 2026238 AMAQI
4th Aug 2026329 AMAQI
4th Aug 20264910 AMAQI
4th Aug 20264611 AMAQI
4th Aug 20264212 PMAQI
4th Aug 2026441 PMAQI
4th Aug 2026622 PMAQI
4th Aug 2026623 PMAQI
4th Aug 2026564 PMAQI
4th Aug 2026505 PMAQI
4th Aug 2026546 PMAQI
4th Aug 2026567 PMAQI
4th Aug 2026428 PMAQI
4th Aug 2026429 PMAQI
4th Aug 20264810 PMAQI
4th Aug 20265611 PMAQI
5th Aug 20265712 AMAQI
5th Aug 2026551 AMAQI
5th Aug 2026592 AMAQI
5th Aug 2026593 AMAQI
5th Aug 2026424 AMAQI
19°C17/22°C
5th Aug 2026315 AMAQI
5th Aug 2026386 AMAQI
5th Aug 2026497 AMAQI
5th Aug 2026338 AMAQI
5th Aug 2026259 AMAQI
5th Aug 20262510 AMAQI
5th Aug 20262511 AMAQI
5th Aug 20263112 PMAQI
5th Aug 2026231 PMAQI
5th Aug 2026422 PMAQI
5th Aug 2026533 PMAQI
5th Aug 2026514 PMAQI
5th Aug 2026315 PMAQI
5th Aug 2026236 PMAQI
5th Aug 2026317 PMAQI
5th Aug 2026368 PMAQI
5th Aug 2026389 PMAQI
5th Aug 20265310 PMAQI
5th Aug 20265311 PMAQI
6th Aug 20264812 AMAQI
6th Aug 2026441 AMAQI
6th Aug 2026422 AMAQI
6th Aug 2026383 AMAQI
6th Aug 2026384 AMAQI
19°C18/21°C
6th Aug 2026385 AMAQI
6th Aug 2026426 AMAQI
6th Aug 2026497 AMAQI
6th Aug 2026568 AMAQI
6th Aug 2026599 AMAQI
6th Aug 20266210 AMAQI
6th Aug 20267411 AMAQI
6th Aug 20266212 PMAQI
6th Aug 2026711 PMAQI
6th Aug 2026642 PMAQI
6th Aug 2026593 PMAQI
6th Aug 2026644 PMAQI
6th Aug 2026655 PMAQI
6th Aug 2026686 PMAQI
6th Aug 2026687 PMAQI
6th Aug 2026598 PMAQI
6th Aug 2026559 PMAQI
6th Aug 20265710 PMAQI
6th Aug 20265511 PMAQI
7th Aug 20265812 AMAQI
7th Aug 2026641 AMAQI
7th Aug 2026632 AMAQI
7th Aug 2026583 AMAQI
7th Aug 2026584 AMAQI
21°C19/26°C
7th Aug 2026585 AMAQI
7th Aug 2026586 AMAQI
7th Aug 2026637 AMAQI
7th Aug 2026668 AMAQI
7th Aug 2026659 AMAQI
7th Aug 20266410 AMAQI
7th Aug 20266611 AMAQI
7th Aug 20267212 PMAQI
7th Aug 2026621 PMAQI
7th Aug 2026572 PMAQI
7th Aug 2026563 PMAQI
7th Aug 2026624 PMAQI
7th Aug 2026505 PMAQI
7th Aug 2026496 PMAQI
7th Aug 2026427 PMAQI
7th Aug 2026388 PMAQI
7th Aug 2026539 PMAQI
7th Aug 20265010 PMAQI
7th Aug 20265611 PMAQI
8th Aug 20266012 AMAQI
8th Aug 2026661 AMAQI
8th Aug 2026512 AMAQI
8th Aug 2026503 AMAQI
8th Aug 2026534 AMAQI
23°C17/30°C
8th Aug 2026525 AMAQI
8th Aug 2026626 AMAQI
8th Aug 2026657 AMAQI
8th Aug 2026628 AMAQI
8th Aug 2026719 AMAQI
8th Aug 20267310 AMAQI
8th Aug 20267011 AMAQI
8th Aug 20266712 PMAQI
8th Aug 2026691 PMAQI
8th Aug 2026652 PMAQI
8th Aug 2026663 PMAQI
8th Aug 2026674 PMAQI
8th Aug 2026645 PMAQI
8th Aug 2026706 PMAQI
8th Aug 2026747 PMAQI
8th Aug 2026698 PMAQI
8th Aug 2026789 PMAQI
8th Aug 20268610 PMAQI
8th Aug 20268811 PMAQI
9th Aug 20268012 AMAQI
9th Aug 2026721 AMAQI
9th Aug 2026762 AMAQI
9th Aug 2026783 AMAQI
9th Aug 2026784 AMAQI
24°C19/29°C
9th Aug 2026705 AMAQI
9th Aug 2026706 AMAQI
9th Aug 2026767 AMAQI
9th Aug 2026768 AMAQI
9th Aug 2026769 AMAQI
9th Aug 20267610 AMAQI
9th Aug 20267611 AMAQI
9th Aug 20266412 PMAQI
9th Aug 2026601 PMAQI
9th Aug 2026532 PMAQI
9th Aug 2026463 PMAQI
9th Aug 2026484 PMAQI
9th Aug 2026485 PMAQI
9th Aug 2026546 PMAQI
9th Aug 2026587 PMAQI
9th Aug 2026588 PMAQI
9th Aug 2026629 PMAQI
9th Aug 20266210 PMAQI
9th Aug 20267011 PMAQI
10th Aug 20266712 AMAQI
10th Aug 2026551 AMAQI
10th Aug 2026582 AMAQI
10th Aug 2026623 AMAQI
10th Aug 2026604 AMAQI
23°C18/29°C
10th Aug 2026545 AMAQI
10th Aug 2026556 AMAQI
10th Aug 2026627 AMAQI
10th Aug 2026698 AMAQI
10th Aug 2026689 AMAQI
10th Aug 20266910 AMAQI
10th Aug 20266411 AMAQI
10th Aug 20266012 PMAQI
10th Aug 2026621 PMAQI
10th Aug 2026582 PMAQI
10th Aug 2026543 PMAQI
10th Aug 2026574 PMAQI
10th Aug 2026595 PMAQI
10th Aug 2026576 PMAQI
10th Aug 2026547 PMAQI
10th Aug 2026548 PMAQI
10th Aug 2026629 PMAQI
10th Aug 20267610 PMAQI
10th Aug 20268011 PMAQI
11th Aug 20267412 AMAQI
11th Aug 2026691 AMAQI
11th Aug 2026642 AMAQI
11th Aug 2026693 AMAQI
11th Aug 2026734 AMAQI
23°C17/30°C
11th Aug 2026785 AMAQI
11th Aug 2026826 AMAQI
11th Aug 2026807 AMAQI
11th Aug 2026768 AMAQI
11th Aug 2026729 AMAQI
11th Aug 20267510 AMAQI
11th Aug 20266011 AMAQI
11th Aug 20265412 PMAQI
11th Aug 2026511 PMAQI
11th Aug 2026502 PMAQI
11th Aug 2026423 PMAQI
11th Aug 2026384 PMAQI
11th Aug 2026405 PMAQI
11th Aug 2026466 PMAQI
11th Aug 2026507 PMAQI
11th Aug 2026588 PMAQI
11th Aug 2026699 PMAQI
11th Aug 20266910 PMAQI
11th Aug 20266011 PMAQI
12th Aug 20265612 AMAQI
12th Aug 2026621 AMAQI
12th Aug 2026532 AMAQI
12th Aug 2026503 AMAQI
12th Aug 2026464 AMAQI
23°C17/30°C
12th Aug 2026425 AMAQI
12th Aug 2026426 AMAQI
12th Aug 2026367 AMAQI
12th Aug 2026318 AMAQI
12th Aug 2026369 AMAQI
12th Aug 20264210 AMAQI
12th Aug 20263611 AMAQI
12th Aug 20262912 PMAQI
12th Aug 2026331 PMAQI
12th Aug 2026422 PMAQI
12th Aug 2026463 PMAQI
12th Aug 2026444 PMAQI
12th Aug 2026465 PMAQI
12th Aug 2026486 PMAQI
12th Aug 2026477 PMAQI
12th Aug 2026468 PMAQI
12th Aug 2026479 PMAQI
12th Aug 20265310 PMAQI
12th Aug 20265711 PMAQI
13th Aug 20264212 AMAQI
13th Aug 2026441 AMAQI
13th Aug 2026422 AMAQI
13th Aug 2026423 AMAQI
13th Aug 2026404 AMAQI
22°C18/29°C
13th Aug 2026385 AMAQI
13th Aug 2026446 AMAQI
13th Aug 2026407 AMAQI
13th Aug 2026448 AMAQI
13th Aug 2026579 AMAQI
13th Aug 20265210 AMAQI
13th Aug 20265411 AMAQI
13th Aug 20264212 PMAQI
13th Aug 2026401 PMAQI
13th Aug 2026402 PMAQI
13th Aug 2026383 PMAQI
13th Aug 2026404 PMAQI
13th Aug 2026465 PMAQI
13th Aug 2026506 PMAQI
13th Aug 2026517 PMAQI
13th Aug 2026548 PMAQI
13th Aug 2026549 PMAQI
13th Aug 20265510 PMAQI
13th Aug 20265211 PMAQI
14th Aug 20265112 AMAQI
14th Aug 2026551 AMAQI
14th Aug 2026662 AMAQI
14th Aug 2026603 AMAQI
14th Aug 2026594 AMAQI
22°C17/28°C
14th Aug 2026565 AMAQI
14th Aug 2026556 AMAQI
14th Aug 2026547 AMAQI
14th Aug 2026488 AMAQI
14th Aug 2026429 AMAQI
14th Aug 20266310 AMAQI
14th Aug 20266411 AMAQI
14th Aug 20265712 PMAQI
14th Aug 2026511 PMAQI
14th Aug 2026402 PMAQI
14th Aug 2026443 PMAQI
14th Aug 2026444 PMAQI
14th Aug 2026315 PMAQI
14th Aug 2026426 PMAQI
14th Aug 2026387 PMAQI
14th Aug 2026408 PMAQI
14th Aug 2026389 PMAQI
14th Aug 20264810 PMAQI
14th Aug 20265511 PMAQI
15th Aug 20263112 AMAQI
15th Aug 2026421 AMAQI
15th Aug 2026542 AMAQI
15th Aug 2026563 AMAQI
15th Aug 2026504 AMAQI
22°C17/28°C
15th Aug 2026485 AMAQI
15th Aug 2026536 AMAQI
15th Aug 2026517 AMAQI
15th Aug 2026548 AMAQI
15th Aug 2026549 AMAQI
15th Aug 20266710 AMAQI
15th Aug 20266811 AMAQI
15th Aug 20264612 PMAQI
15th Aug 2026401 PMAQI
15th Aug 2026362 PMAQI
15th Aug 2026363 PMAQI
15th Aug 2026344 PMAQI
15th Aug 2026365 PMAQI
15th Aug 2026296 PMAQI
15th Aug 2026237 PMAQI
15th Aug 2026298 PMAQI
15th Aug 2026459 PMAQI
15th Aug 20265110 PMAQI
15th Aug 20264811 PMAQI
16th Aug 20265612 AMAQI
16th Aug 2026491 AMAQI
16th Aug 2026442 AMAQI
16th Aug 2026363 AMAQI
16th Aug 2026364 AMAQI
23°C17/30°C
16th Aug 2026365 AMAQI
16th Aug 2026386 AMAQI
16th Aug 2026427 AMAQI
16th Aug 2026388 AMAQI
16th Aug 2026539 AMAQI
16th Aug 20265310 AMAQI
16th Aug 20265211 AMAQI
16th Aug 20265112 PMAQI
16th Aug 2026591 PMAQI
16th Aug 2026562 PMAQI
16th Aug 2026533 PMAQI
16th Aug 2026504 PMAQI
16th Aug 2026565 PMAQI
16th Aug 2026566 PMAQI
16th Aug 2026467 PMAQI
16th Aug 2026488 PMAQI
16th Aug 2026509 PMAQI
16th Aug 20265710 PMAQI
16th Aug 20266611 PMAQI
17th Aug 20266812 AMAQI
17th Aug 2026621 AMAQI
17th Aug 2026592 AMAQI
17th Aug 2026623 AMAQI
17th Aug 2026604 AMAQI
24°C17/31°C
17th Aug 2026545 AMAQI
17th Aug 2026586 AMAQI
17th Aug 2026577 AMAQI
17th Aug 2026598 AMAQI
17th Aug 2026649 AMAQI
17th Aug 20266910 AMAQI
17th Aug 20266211 AMAQI
17th Aug 20266712 PMAQI
17th Aug 2026761 PMAQI
17th Aug 2026642 PMAQI
17th Aug 2026603 PMAQI
17th Aug 2026594 PMAQI
17th Aug 2026625 PMAQI
17th Aug 2026626 PMAQI
17th Aug 2026607 PMAQI
17th Aug 2026538 PMAQI
17th Aug 2026489 PMAQI
17th Aug 20265810 PMAQI
17th Aug 20265111 PMAQI
18th Aug 20264812 AMAQI
18th Aug 2026471 AMAQI
18th Aug 2026562 AMAQI
18th Aug 2026543 AMAQI
18th Aug 2026544 AMAQI
12°C12/14°C
18th Aug 2026505 AMAQI
5 AM18th Aug 2026486 AMAQI
18th Aug 2026427 AMAQI
18th Aug 2026468 AMAQI
18th Aug 2026499 AMAQI
18th Aug 20265310 AMAQI
18th Aug 20265411 AMAQI
18th Aug 20265712 PMAQI
12 PM18th Aug 2026461 PMAQI
18th Aug 2026442 PMAQI
18th Aug 2026513 PMAQI
18th Aug 2026534 PMAQI
18th Aug 2026505 PMAQI
18th Aug 2026556 PMAQI
18th Aug 2026587 PMAQI
7 PM18th Aug 2026528 PMAQI
18th Aug 2026569 PMAQI
18th Aug 20265910 PMAQI
18th Aug 20265411 PMAQI
12 AM
4 AM
21°C19/26°C
Day time
Avg. Highest Time
10 AM
55AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
12 PM - 5 PM
46AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 10 AM (Avg. 55), while the lowest AQI was between 12 PM to 5 PM (Avg. 46).
Night time
Avg. Highest Time
11 PM
56AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
8 PM
47AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 56), while the lowest AQI was between 8 PM to 8 PM (Avg. 47).
2026 Days Vs Air Quality
Yichuan County Environmental Protection Bureau, Hancheng, Shaanxi, China
2026
21%
49
62%
142
16%
36
1%
3
Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)
Good
49 DaysModerate
142 DaysPoor
36 DaysUnhealthy
3 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 21%
Health Risk Level:
Very high
In 2026, 21% of 230 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Yichuan County Environmental Protection Bureau, Hancheng, 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
132AQI (US)
132AQI (US)
2nd January 2026
137AQI (US)
137AQI (US)
3rd January 2026
156AQI (US)
156AQI (US)
4th January 2026
137AQI (US)
137AQI (US)
5th January 2026
97AQI (US)
97AQI (US)
6th January 2026
78AQI (US)
78AQI (US)
7th January 2026
77AQI (US)
77AQI (US)
8th January 2026
75AQI (US)
75AQI (US)
9th January 2026
75AQI (US)
75AQI (US)
10th January 2026
66AQI (US)
66AQI (US)
11th January 2026
65AQI (US)
65AQI (US)
12th January 2026
80AQI (US)
80AQI (US)
13th January 2026
89AQI (US)
89AQI (US)
14th January 2026
112AQI (US)
112AQI (US)
15th January 2026
102AQI (US)
102AQI (US)
16th January 2026
88AQI (US)
88AQI (US)
17th January 2026
124AQI (US)
124AQI (US)
18th January 2026
129AQI (US)
129AQI (US)
19th January 2026
49AQI (US)
49AQI (US)
20th January 2026
51AQI (US)
51AQI (US)
21st January 2026
78AQI (US)
78AQI (US)
22nd January 2026
99AQI (US)
99AQI (US)
23rd January 2026
113AQI (US)
113AQI (US)
24th January 2026
120AQI (US)
120AQI (US)
25th January 2026
137AQI (US)
137AQI (US)
26th January 2026
130AQI (US)
130AQI (US)
27th January 2026
116AQI (US)
116AQI (US)
28th January 2026
139AQI (US)
139AQI (US)
29th January 2026
155AQI (US)
155AQI (US)
30th January 2026
131AQI (US)
131AQI (US)
31st January 2026
150AQI (US)
150AQI (US)
1st February 2026
131AQI (US)
131AQI (US)
2nd February 2026
81AQI (US)
81AQI (US)
3rd February 2026
92AQI (US)
92AQI (US)
4th February 2026
112AQI (US)
112AQI (US)
5th February 2026
106AQI (US)
106AQI (US)
6th February 2026
99AQI (US)
99AQI (US)
7th February 2026
60AQI (US)
60AQI (US)
8th February 2026
55AQI (US)
55AQI (US)
9th February 2026
93AQI (US)
93AQI (US)
10th February 2026
98AQI (US)
98AQI (US)
11th February 2026
96AQI (US)
96AQI (US)
12th February 2026
108AQI (US)
108AQI (US)
13th February 2026
101AQI (US)
101AQI (US)
14th February 2026
100AQI (US)
100AQI (US)
15th February 2026
62AQI (US)
62AQI (US)
16th February 2026
73AQI (US)
73AQI (US)
17th February 2026
112AQI (US)
112AQI (US)
18th February 2026
90AQI (US)
90AQI (US)
19th February 2026
75AQI (US)
75AQI (US)
20th February 2026
76AQI (US)
76AQI (US)
21st February 2026
81AQI (US)
81AQI (US)
22nd February 2026
97AQI (US)
97AQI (US)
23rd February 2026
135AQI (US)
135AQI (US)
24th February 2026
96AQI (US)
96AQI (US)
25th February 2026
117AQI (US)
117AQI (US)
26th February 2026
132AQI (US)
132AQI (US)
27th February 2026
111AQI (US)
111AQI (US)
28th February 2026
83AQI (US)
83AQI (US)
1st March 2026
56AQI (US)
56AQI (US)
2nd March 2026
55AQI (US)
55AQI (US)
3rd March 2026
81AQI (US)
81AQI (US)
4th March 2026
117AQI (US)
117AQI (US)
5th March 2026
96AQI (US)
96AQI (US)
6th March 2026
52AQI (US)
52AQI (US)
7th March 2026
88AQI (US)
88AQI (US)
8th March 2026
115AQI (US)
115AQI (US)
9th March 2026
101AQI (US)
101AQI (US)
10th March 2026
119AQI (US)
119AQI (US)
11th March 2026
92AQI (US)
92AQI (US)
12th March 2026
138AQI (US)
138AQI (US)
13th March 2026
156AQI (US)
156AQI (US)
14th March 2026
112AQI (US)
112AQI (US)
15th March 2026
68AQI (US)
68AQI (US)
16th March 2026
93AQI (US)
93AQI (US)
17th March 2026
110AQI (US)
110AQI (US)
18th March 2026
68AQI (US)
68AQI (US)
19th March 2026
77AQI (US)
77AQI (US)
20th March 2026
93AQI (US)
93AQI (US)
21st March 2026
103AQI (US)
103AQI (US)
22nd March 2026
86AQI (US)
86AQI (US)
23rd March 2026
97AQI (US)
97AQI (US)
24th March 2026
103AQI (US)
103AQI (US)
25th March 2026
97AQI (US)
97AQI (US)
26th March 2026
91AQI (US)
91AQI (US)
27th March 2026
87AQI (US)
87AQI (US)
28th March 2026
88AQI (US)
88AQI (US)
29th March 2026
67AQI (US)
67AQI (US)
30th March 2026
80AQI (US)
80AQI (US)
31st March 2026
67AQI (US)
67AQI (US)
1st April 2026
61AQI (US)
61AQI (US)
2nd April 2026
74AQI (US)
74AQI (US)
3rd April 2026
87AQI (US)
87AQI (US)
4th April 2026
66AQI (US)
66AQI (US)
5th April 2026
82AQI (US)
82AQI (US)
6th April 2026
72AQI (US)
72AQI (US)
7th April 2026
74AQI (US)
74AQI (US)
8th April 2026
106AQI (US)
106AQI (US)
9th April 2026
90AQI (US)
90AQI (US)
10th April 2026
65AQI (US)
65AQI (US)
11th April 2026
59AQI (US)
59AQI (US)
12th April 2026
71AQI (US)
71AQI (US)
13th April 2026
77AQI (US)
77AQI (US)
14th April 2026
75AQI (US)
75AQI (US)
15th April 2026
80AQI (US)
80AQI (US)
16th April 2026
61AQI (US)
61AQI (US)
17th April 2026
50AQI (US)
50AQI (US)
18th April 2026
64AQI (US)
64AQI (US)
19th April 2026
81AQI (US)
81AQI (US)
20th April 2026
77AQI (US)
77AQI (US)
21st April 2026
63AQI (US)
63AQI (US)
22nd April 2026
59AQI (US)
59AQI (US)
23rd April 2026
61AQI (US)
61AQI (US)
24th April 2026
68AQI (US)
68AQI (US)
25th April 2026
73AQI (US)
73AQI (US)
26th April 2026
76AQI (US)
76AQI (US)
27th April 2026
71AQI (US)
71AQI (US)
28th April 2026
66AQI (US)
66AQI (US)
29th April 2026
70AQI (US)
70AQI (US)
30th April 2026
73AQI (US)
73AQI (US)
1st May 2026
68AQI (US)
68AQI (US)
2nd May 2026
46AQI (US)
46AQI (US)
3rd May 2026
42AQI (US)
42AQI (US)
4th May 2026
49AQI (US)
49AQI (US)
5th May 2026
57AQI (US)
57AQI (US)
6th May 2026
73AQI (US)
73AQI (US)
7th May 2026
51AQI (US)
51AQI (US)
8th May 2026
55AQI (US)
55AQI (US)
9th May 2026
57AQI (US)
57AQI (US)
10th May 2026
80AQI (US)
80AQI (US)
11th May 2026
91AQI (US)
91AQI (US)
12th May 2026
100AQI (US)
100AQI (US)
13th May 2026
91AQI (US)
91AQI (US)
14th May 2026
64AQI (US)
64AQI (US)
15th May 2026
81AQI (US)
81AQI (US)
16th May 2026
78AQI (US)
78AQI (US)
17th May 2026
78AQI (US)
78AQI (US)
18th May 2026
75AQI (US)
75AQI (US)
19th May 2026
75AQI (US)
75AQI (US)
20th May 2026
88AQI (US)
88AQI (US)
21st May 2026
100AQI (US)
100AQI (US)
22nd May 2026
101AQI (US)
101AQI (US)
23rd May 2026
90AQI (US)
90AQI (US)
24th May 2026
82AQI (US)
82AQI (US)
25th May 2026
83AQI (US)
83AQI (US)
26th May 2026
59AQI (US)
59AQI (US)
27th May 2026
70AQI (US)
70AQI (US)
28th May 2026
54AQI (US)
54AQI (US)
29th May 2026
47AQI (US)
47AQI (US)
30th May 2026
47AQI (US)
47AQI (US)
31st May 2026
59AQI (US)
59AQI (US)
1st June 2026
73AQI (US)
73AQI (US)
2nd June 2026
65AQI (US)
65AQI (US)
3rd June 2026
65AQI (US)
65AQI (US)
4th June 2026
57AQI (US)
57AQI (US)
5th June 2026
58AQI (US)
58AQI (US)
6th June 2026
53AQI (US)
53AQI (US)
7th June 2026
48AQI (US)
48AQI (US)
8th June 2026
47AQI (US)
47AQI (US)
9th June 2026
39AQI (US)
39AQI (US)
10th June 2026
29AQI (US)
29AQI (US)
11th June 2026
38AQI (US)
38AQI (US)
12th June 2026
47AQI (US)
47AQI (US)
13th June 2026
39AQI (US)
39AQI (US)
14th June 2026
46AQI (US)
46AQI (US)
15th June 2026
65AQI (US)
65AQI (US)
16th June 2026
67AQI (US)
67AQI (US)
17th June 2026
73AQI (US)
73AQI (US)
18th June 2026
65AQI (US)
65AQI (US)
19th June 2026
33AQI (US)
33AQI (US)
20th June 2026
43AQI (US)
43AQI (US)
21st June 2026
40AQI (US)
40AQI (US)
22nd June 2026
24AQI (US)
24AQI (US)
23rd June 2026
43AQI (US)
43AQI (US)
24th June 2026
55AQI (US)
55AQI (US)
25th June 2026
45AQI (US)
45AQI (US)
26th June 2026
43AQI (US)
43AQI (US)
27th June 2026
60AQI (US)
60AQI (US)
28th June 2026
63AQI (US)
63AQI (US)
29th June 2026
63AQI (US)
63AQI (US)
30th June 2026
44AQI (US)
44AQI (US)
1st July 2026
37AQI (US)
37AQI (US)
2nd July 2026
54AQI (US)
54AQI (US)
3rd July 2026
49AQI (US)
49AQI (US)
4th July 2026
42AQI (US)
42AQI (US)
5th July 2026
45AQI (US)
45AQI (US)
6th July 2026
52AQI (US)
52AQI (US)
7th July 2026
52AQI (US)
52AQI (US)
8th July 2026
53AQI (US)
53AQI (US)
9th July 2026
57AQI (US)
57AQI (US)
10th July 2026
65AQI (US)
65AQI (US)
11th July 2026
35AQI (US)
35AQI (US)
12th July 2026
38AQI (US)
38AQI (US)
13th July 2026
52AQI (US)
52AQI (US)
14th July 2026
61AQI (US)
61AQI (US)
15th July 2026
42AQI (US)
42AQI (US)
16th July 2026
48AQI (US)
48AQI (US)
17th July 2026
31AQI (US)
31AQI (US)
18th July 2026
55AQI (US)
55AQI (US)
19th July 2026
66AQI (US)
66AQI (US)
20th July 2026
49AQI (US)
49AQI (US)
21st July 2026
61AQI (US)
61AQI (US)
22nd July 2026
44AQI (US)
44AQI (US)
23rd July 2026
59AQI (US)
59AQI (US)
24th July 2026
52AQI (US)
52AQI (US)
25th July 2026
71AQI (US)
71AQI (US)
26th July 2026
66AQI (US)
66AQI (US)
27th July 2026
40AQI (US)
40AQI (US)
28th July 2026
47AQI (US)
47AQI (US)
29th July 2026
39AQI (US)
39AQI (US)
30th July 2026
40AQI (US)
40AQI (US)
31st July 2026
35AQI (US)
35AQI (US)
1st August 2026
30AQI (US)
30AQI (US)
2nd August 2026
37AQI (US)
37AQI (US)
3rd August 2026
25AQI (US)
25AQI (US)
4th August 2026
42AQI (US)
42AQI (US)
5th August 2026
40AQI (US)
40AQI (US)
6th August 2026
56AQI (US)
56AQI (US)
7th August 2026
58AQI (US)
58AQI (US)
8th August 2026
67AQI (US)
67AQI (US)
9th August 2026
66AQI (US)
66AQI (US)
10th August 2026
62AQI (US)
62AQI (US)
11th August 2026
62AQI (US)
62AQI (US)
12th August 2026
45AQI (US)
45AQI (US)
13th August 2026
46AQI (US)
46AQI (US)
14th August 2026
50AQI (US)
50AQI (US)
15th August 2026
45AQI (US)
45AQI (US)
16th August 2026
49AQI (US)
49AQI (US)
17th August 2026
61AQI (US)
61AQI (US)
18th August 2026
52AQI (US)
52AQI (US)
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
106AQI (US)
95AQI (US)
92AQI (US)
72AQI (US)
71AQI (US)
51AQI (US)
50AQI (US)
50AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202674AQI (US)
1
13
15
2
18
10
21
9
1
1
28
1
5
25
1
16
14
16
15
10
8
49
142
36
3
Highest AQI (US) recorded in
January106AQI (US)
Lowest AQI (US) recorded in
August50AQI (US)
202587AQI (US)
19
10
2
18
10
13
13
3
2
13
15
2
22
6
2
1
1
29
2
29
5
26
6
24
1
25
5
2
12
16
8
22
1
17
238
97
10
3
Highest AQI (US) recorded in
December117AQI (US)
Lowest AQI (US) recorded in
September56AQI (US)
202475AQI (US)
1
22
8
14
10
4
1
3
23
5
30
2
28
1
3
27
18
13
15
16
4
22
2
2
6
24
1
1
23
6
24
7
53
266
40
6
1
Highest AQI (US) recorded in
February112AQI (US)
Lowest AQI (US) recorded in
July52AQI (US)
202378AQI (US)
1
14
14
1
1
8
13
2
1
6
2
5
2
12
10
16
3
15
1
1
1
1
14
26
5
21
119
33
1
1
Highest AQI (US) recorded in
March142AQI (US)
Lowest AQI (US) recorded in
September38AQI (US)
202279AQI (US)
12
13
6
16
6
21
9
1
3
19
5
1
1
9
21
1
7
23
6
15
1
1
9
18
1
8
20
3
24
6
23
8
42
213
53
7
1
1
Highest AQI (US) recorded in
January110AQI (US)
Lowest AQI (US) recorded in
August54AQI (US)
202178AQI (US)
20
7
3
1
2
18
5
14
9
2
3
2
1
26
1
2
6
19
1
2
4
15
10
16
5
24
1
14
16
7
24
1
27
2
2
29
52
248
26
9
4
2
Highest AQI (US) recorded in
March153AQI (US)
Lowest AQI (US) recorded in
July51AQI (US)
202082AQI (US)
9
3
1
18
2
16
2
1
27
2
1
30
11
19
1
8
16
6
3
22
6
16
11
3
1
20
9
1
25
193
40
7
Highest AQI (US) recorded in
November107AQI (US)
Lowest AQI (US) recorded in
August62AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
87AQI (US)Least Polluted Year Recorded
2026(Avg.)
74AQI (US)Yichuan County Environmental Protection Bureau's annual 2026 AQI (US) (74) shows an average percentage change of -7.1% (improved AQI (US)) compared to previous years: 2020 (82), 2021 (78), 2022 (79), 2023 (78), 2024 (75), 2025 (87).
