Zhenchuan High School, Yushan, Jiangsu, 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
Zhenchuan High School, Yushan, Jiangsu, China
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2026
90AQILowest AQI recorded on
14th Aug 2025
45AQISame Day Analysis (7th August):
On this day, AQI across the 3 years varied significantly: 2026 ranks 3rd highest AQI at 49 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 6th Aug - 7th Aug 2026
Zhenchuan High School, Yushan, Jiangsu, China
AQI
Day
Night
.
5 AM6th Aug 2026
6 PM
4 AM7th Aug 2026
Day time
Avg. Highest Time
5AM6th Aug
57AQI
Avg. Lowest Time
6PM6th Aug
48AQI
Night time
Avg. Highest Time
4AM7th Aug
52AQI
Avg. Lowest Time
12AM7th Aug
44AQI
In the last 24 hours,
Zhenchuan High School's AQI reached its highest point of 57 at 5 AM during the Day, while the lowest point, 44, was recorded at 12 AM during the Night between 6th Aug and 7th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Zhenchuan High School, Yushan, Jiangsu, China
JulAug
09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th
Day
Night
9th Jul 2026345 AMAQI
9th Jul 2026276 AMAQI
9th Jul 2026217 AMAQI
9th Jul 2026198 AMAQI
9th Jul 2026179 AMAQI
9th Jul 20262110 AMAQI
9th Jul 20262311 AMAQI
9th Jul 20262712 PMAQI
9th Jul 2026341 PMAQI
9th Jul 2026442 PMAQI
9th Jul 2026423 PMAQI
9th Jul 2026424 PMAQI
9th Jul 2026455 PMAQI
9th Jul 2026536 PMAQI
9th Jul 2026547 PMAQI
9th Jul 2026568 PMAQI
9th Jul 2026689 PMAQI
9th Jul 20266210 PMAQI
9th Jul 20264911 PMAQI
10th Jul 20263612 AMAQI
10th Jul 2026331 AMAQI
10th Jul 2026312 AMAQI
10th Jul 2026273 AMAQI
10th Jul 2026274 AMAQI
28°C27/31°C
10th Jul 2026365 AMAQI
10th Jul 2026336 AMAQI
10th Jul 2026367 AMAQI
10th Jul 2026388 AMAQI
10th Jul 2026389 AMAQI
10th Jul 20263410 AMAQI
10th Jul 20262911 AMAQI
10th Jul 20263112 PMAQI
10th Jul 2026381 PMAQI
10th Jul 2026462 PMAQI
10th Jul 2026443 PMAQI
10th Jul 2026504 PMAQI
10th Jul 2026425 PMAQI
10th Jul 2026426 PMAQI
10th Jul 2026467 PMAQI
10th Jul 2026388 PMAQI
10th Jul 2026339 PMAQI
10th Jul 20263410 PMAQI
10th Jul 20263811 PMAQI
11th Jul 20263812 AMAQI
11th Jul 2026361 AMAQI
11th Jul 2026362 AMAQI
11th Jul 2026313 AMAQI
11th Jul 2026324 AMAQI
29°C25/33°C
11th Jul 2026345 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026347 AMAQI
11th Jul 2026338 AMAQI
11th Jul 2026379 AMAQI
11th Jul 20263110 AMAQI
11th Jul 20263011 AMAQI
11th Jul 20262812 PMAQI
11th Jul 2026281 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026293 PMAQI
11th Jul 2026344 PMAQI
11th Jul 2026335 PMAQI
11th Jul 2026326 PMAQI
11th Jul 2026327 PMAQI
11th Jul 2026348 PMAQI
11th Jul 2026349 PMAQI
11th Jul 20263310 PMAQI
11th Jul 20263411 PMAQI
12th Jul 20263412 AMAQI
12th Jul 2026341 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026263 AMAQI
12th Jul 2026294 AMAQI
28°C25/31°C
12th Jul 2026305 AMAQI
12th Jul 2026286 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026298 AMAQI
12th Jul 2026309 AMAQI
12th Jul 20262710 AMAQI
12th Jul 20262811 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026262 PMAQI
12th Jul 2026263 PMAQI
12th Jul 2026304 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026316 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026328 PMAQI
12th Jul 2026329 PMAQI
12th Jul 20263010 PMAQI
12th Jul 20263211 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026301 AMAQI
13th Jul 2026282 AMAQI
13th Jul 2026283 AMAQI
13th Jul 2026284 AMAQI
28°C27/30°C
13th Jul 2026285 AMAQI
13th Jul 2026286 AMAQI
13th Jul 2026287 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026289 AMAQI
13th Jul 20262710 AMAQI
13th Jul 20262611 AMAQI
13th Jul 20262412 PMAQI
13th Jul 2026221 PMAQI
13th Jul 2026242 PMAQI
13th Jul 2026263 PMAQI
13th Jul 2026304 PMAQI
13th Jul 2026345 PMAQI
13th Jul 2026316 PMAQI
13th Jul 2026317 PMAQI
13th Jul 2026328 PMAQI
13th Jul 2026319 PMAQI
13th Jul 20263210 PMAQI
13th Jul 20263411 PMAQI
14th Jul 20263112 AMAQI
14th Jul 2026331 AMAQI
14th Jul 2026292 AMAQI
14th Jul 2026253 AMAQI
14th Jul 2026284 AMAQI
29°C27/33°C
14th Jul 2026285 AMAQI
14th Jul 2026286 AMAQI
14th Jul 2026277 AMAQI
14th Jul 2026308 AMAQI
14th Jul 2026309 AMAQI
14th Jul 20262510 AMAQI
14th Jul 20262411 AMAQI
14th Jul 20262412 PMAQI
14th Jul 2026251 PMAQI
14th Jul 2026562 PMAQI
14th Jul 2026783 PMAQI
14th Jul 2026804 PMAQI
14th Jul 2026725 PMAQI
14th Jul 2026746 PMAQI
14th Jul 2026767 PMAQI
14th Jul 2026838 PMAQI
14th Jul 2026839 PMAQI
14th Jul 20267510 PMAQI
14th Jul 20267211 PMAQI
15th Jul 20267112 AMAQI
15th Jul 2026701 AMAQI
15th Jul 2026722 AMAQI
15th Jul 2026693 AMAQI
15th Jul 2026664 AMAQI
31°C27/36°C
15th Jul 2026625 AMAQI
15th Jul 2026606 AMAQI
15th Jul 2026567 AMAQI
15th Jul 2026568 AMAQI
15th Jul 2026579 AMAQI
15th Jul 20265710 AMAQI
15th Jul 20265611 AMAQI
15th Jul 20266212 PMAQI
15th Jul 2026681 PMAQI
15th Jul 2026662 PMAQI
15th Jul 2026673 PMAQI
15th Jul 2026644 PMAQI
15th Jul 2026565 PMAQI
15th Jul 2026506 PMAQI
15th Jul 2026507 PMAQI
15th Jul 2026508 PMAQI
15th Jul 2026519 PMAQI
15th Jul 20265210 PMAQI
15th Jul 20265711 PMAQI
16th Jul 20266612 AMAQI
16th Jul 2026711 AMAQI
16th Jul 2026742 AMAQI
16th Jul 2026713 AMAQI
16th Jul 2026764 AMAQI
32°C28/37°C
16th Jul 2026745 AMAQI
16th Jul 2026796 AMAQI
16th Jul 2026787 AMAQI
16th Jul 2026768 AMAQI
16th Jul 2026719 AMAQI
16th Jul 20266610 AMAQI
16th Jul 20266411 AMAQI
16th Jul 20266512 PMAQI
16th Jul 2026581 PMAQI
16th Jul 2026542 PMAQI
16th Jul 2026523 PMAQI
16th Jul 2026464 PMAQI
16th Jul 2026465 PMAQI
16th Jul 2026496 PMAQI
16th Jul 2026577 PMAQI
16th Jul 2026548 PMAQI
16th Jul 2026549 PMAQI
16th Jul 20265310 PMAQI
16th Jul 20265611 PMAQI
17th Jul 20266212 AMAQI
17th Jul 2026741 AMAQI
17th Jul 2026762 AMAQI
17th Jul 2026743 AMAQI
17th Jul 2026844 AMAQI
32°C28/37°C
17th Jul 2026935 AMAQI
17th Jul 2026956 AMAQI
17th Jul 2026977 AMAQI
17th Jul 20261008 AMAQI
17th Jul 2026869 AMAQI
17th Jul 20267810 AMAQI
17th Jul 20267211 AMAQI
17th Jul 20267412 PMAQI
17th Jul 2026741 PMAQI
17th Jul 2026582 PMAQI
17th Jul 2026513 PMAQI
17th Jul 2026524 PMAQI
17th Jul 2026555 PMAQI
17th Jul 2026586 PMAQI
17th Jul 2026607 PMAQI
17th Jul 2026598 PMAQI
17th Jul 2026679 PMAQI
17th Jul 20266810 PMAQI
17th Jul 20267411 PMAQI
18th Jul 20267612 AMAQI
18th Jul 2026811 AMAQI
18th Jul 2026882 AMAQI
18th Jul 2026893 AMAQI
18th Jul 2026964 AMAQI
33°C29/37°C
18th Jul 2026925 AMAQI
18th Jul 2026856 AMAQI
18th Jul 2026727 AMAQI
18th Jul 2026668 AMAQI
18th Jul 2026629 AMAQI
18th Jul 20266410 AMAQI
18th Jul 20266211 AMAQI
18th Jul 20266812 PMAQI
18th Jul 2026681 PMAQI
18th Jul 2026712 PMAQI
18th Jul 2026733 PMAQI
18th Jul 2026764 PMAQI
18th Jul 2026795 PMAQI
18th Jul 2026766 PMAQI
18th Jul 2026817 PMAQI
18th Jul 2026748 PMAQI
18th Jul 2026709 PMAQI
18th Jul 20266810 PMAQI
18th Jul 20265511 PMAQI
19th Jul 20264012 AMAQI
19th Jul 2026311 AMAQI
19th Jul 2026292 AMAQI
19th Jul 2026363 AMAQI
19th Jul 2026444 AMAQI
31°C27/34°C
19th Jul 2026465 AMAQI
19th Jul 2026546 AMAQI
19th Jul 2026567 AMAQI
19th Jul 2026588 AMAQI
19th Jul 2026639 AMAQI
19th Jul 20266710 AMAQI
19th Jul 20267111 AMAQI
19th Jul 20267012 PMAQI
19th Jul 2026721 PMAQI
19th Jul 2026722 PMAQI
19th Jul 2026683 PMAQI
19th Jul 2026724 PMAQI
19th Jul 2026645 PMAQI
19th Jul 2026466 PMAQI
19th Jul 2026337 PMAQI
19th Jul 2026218 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262710 PMAQI
19th Jul 20263211 PMAQI
20th Jul 20264212 AMAQI
20th Jul 2026501 AMAQI
20th Jul 2026542 AMAQI
20th Jul 2026573 AMAQI
20th Jul 2026584 AMAQI
28°C25/32°C
20th Jul 2026575 AMAQI
20th Jul 2026626 AMAQI
20th Jul 2026607 AMAQI
20th Jul 2026568 AMAQI
20th Jul 2026569 AMAQI
20th Jul 20266210 AMAQI
20th Jul 20265811 AMAQI
20th Jul 20265712 PMAQI
20th Jul 2026671 PMAQI
20th Jul 2026712 PMAQI
20th Jul 2026703 PMAQI
20th Jul 2026684 PMAQI
20th Jul 2026695 PMAQI
20th Jul 2026686 PMAQI
20th Jul 2026707 PMAQI
20th Jul 2026718 PMAQI
20th Jul 2026719 PMAQI
20th Jul 20266710 PMAQI
20th Jul 20266611 PMAQI
21st Jul 20265112 AMAQI
21st Jul 2026361 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026313 AMAQI
21st Jul 2026254 AMAQI
27°C26/31°C
21st Jul 2026235 AMAQI
21st Jul 2026296 AMAQI
21st Jul 2026347 AMAQI
21st Jul 2026428 AMAQI
21st Jul 2026519 AMAQI
21st Jul 20265310 AMAQI
21st Jul 20265312 PMAQI
21st Jul 2026531 PMAQI
21st Jul 2026552 PMAQI
21st Jul 2026533 PMAQI
21st Jul 2026484 PMAQI
21st Jul 2026495 PMAQI
21st Jul 2026966 PMAQI
21st Jul 2026517 PMAQI
21st Jul 2026568 PMAQI
21st Jul 2026469 PMAQI
21st Jul 20262910 PMAQI
21st Jul 20263011 PMAQI
22nd Jul 20263812 AMAQI
22nd Jul 2026271 AMAQI
22nd Jul 2026292 AMAQI
22nd Jul 2026323 AMAQI
22nd Jul 2026484 AMAQI
26°C25/28°C
22nd Jul 2026545 AMAQI
22nd Jul 2026596 AMAQI
22nd Jul 2026597 AMAQI
22nd Jul 2026628 AMAQI
22nd Jul 2026649 AMAQI
22nd Jul 20266210 AMAQI
22nd Jul 20266211 AMAQI
22nd Jul 20266512 PMAQI
22nd Jul 2026661 PMAQI
22nd Jul 2026692 PMAQI
22nd Jul 2026663 PMAQI
22nd Jul 2026684 PMAQI
22nd Jul 2026695 PMAQI
22nd Jul 2026726 PMAQI
22nd Jul 2026767 PMAQI
22nd Jul 2026768 PMAQI
22nd Jul 2026569 PMAQI
22nd Jul 20263210 PMAQI
22nd Jul 20262311 PMAQI
23rd Jul 20262512 AMAQI
23rd Jul 2026341 AMAQI
23rd Jul 2026402 AMAQI
23rd Jul 2026483 AMAQI
23rd Jul 2026494 AMAQI
27°C25/31°C
23rd Jul 2026485 AMAQI
23rd Jul 2026516 AMAQI
23rd Jul 2026597 AMAQI
23rd Jul 2026768 AMAQI
23rd Jul 2026869 AMAQI
23rd Jul 202610010 AMAQI
23rd Jul 202610211 AMAQI
23rd Jul 202610012 PMAQI
23rd Jul 2026981 PMAQI
23rd Jul 2026962 PMAQI
23rd Jul 2026923 PMAQI
23rd Jul 2026904 PMAQI
23rd Jul 2026885 PMAQI
23rd Jul 2026926 PMAQI
23rd Jul 2026977 PMAQI
23rd Jul 20261048 PMAQI
23rd Jul 20261029 PMAQI
23rd Jul 20269810 PMAQI
23rd Jul 20269911 PMAQI
24th Jul 20268712 AMAQI
24th Jul 2026861 AMAQI
24th Jul 2026742 AMAQI
24th Jul 2026693 AMAQI
24th Jul 2026674 AMAQI
29°C25/35°C
24th Jul 2026665 AMAQI
24th Jul 2026656 AMAQI
24th Jul 2026647 AMAQI
24th Jul 2026588 AMAQI
24th Jul 2026609 AMAQI
24th Jul 20266010 AMAQI
24th Jul 20266411 AMAQI
24th Jul 20267212 PMAQI
24th Jul 2026761 PMAQI
24th Jul 2026822 PMAQI
24th Jul 2026893 PMAQI
24th Jul 2026834 PMAQI
24th Jul 2026845 PMAQI
24th Jul 2026856 PMAQI
24th Jul 2026907 PMAQI
24th Jul 2026898 PMAQI
24th Jul 2026769 PMAQI
24th Jul 20267010 PMAQI
24th Jul 20266411 PMAQI
25th Jul 20265712 AMAQI
25th Jul 2026551 AMAQI
25th Jul 2026462 AMAQI
25th Jul 2026443 AMAQI
25th Jul 2026404 AMAQI
30°C26/36°C
25th Jul 2026335 AMAQI
25th Jul 2026316 AMAQI
25th Jul 2026237 AMAQI
25th Jul 2026258 AMAQI
25th Jul 2026239 AMAQI
25th Jul 20262310 AMAQI
25th Jul 20262511 AMAQI
25th Jul 20262512 PMAQI
25th Jul 2026251 PMAQI
25th Jul 2026362 PMAQI
25th Jul 2026383 PMAQI
25th Jul 2026404 PMAQI
25th Jul 2026365 PMAQI
25th Jul 2026426 PMAQI
25th Jul 2026507 PMAQI
25th Jul 2026428 PMAQI
25th Jul 2026429 PMAQI
25th Jul 20263610 PMAQI
25th Jul 20263111 PMAQI
26th Jul 20263112 AMAQI
26th Jul 2026291 AMAQI
26th Jul 2026252 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026254 AMAQI
31°C27/35°C
26th Jul 2026275 AMAQI
26th Jul 2026276 AMAQI
26th Jul 2026277 AMAQI
26th Jul 2026278 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262710 AMAQI
26th Jul 20262711 AMAQI
26th Jul 20263112 PMAQI
26th Jul 2026381 PMAQI
26th Jul 2026442 PMAQI
26th Jul 2026503 PMAQI
26th Jul 2026524 PMAQI
26th Jul 2026515 PMAQI
26th Jul 2026556 PMAQI
26th Jul 2026567 PMAQI
26th Jul 2026588 PMAQI
26th Jul 2026589 PMAQI
26th Jul 20265610 PMAQI
26th Jul 20265411 PMAQI
27th Jul 20265112 AMAQI
27th Jul 2026481 AMAQI
27th Jul 2026462 AMAQI
27th Jul 2026383 AMAQI
27th Jul 2026384 AMAQI
30°C27/34°C
27th Jul 2026365 AMAQI
27th Jul 2026276 AMAQI
27th Jul 2026277 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026239 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20262111 AMAQI
27th Jul 20262312 PMAQI
27th Jul 2026291 PMAQI
27th Jul 2026332 PMAQI
27th Jul 2026403 PMAQI
27th Jul 2026504 PMAQI
27th Jul 2026515 PMAQI
27th Jul 2026586 PMAQI
27th Jul 2026517 PMAQI
27th Jul 2026468 PMAQI
27th Jul 2026279 PMAQI
27th Jul 20263310 PMAQI
27th Jul 20263311 PMAQI
28th Jul 20262912 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026293 AMAQI
28th Jul 2026294 AMAQI
29°C27/33°C
28th Jul 2026365 AMAQI
28th Jul 2026346 AMAQI
28th Jul 2026277 AMAQI
28th Jul 2026278 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026363 PMAQI
28th Jul 2026424 PMAQI
28th Jul 2026515 PMAQI
28th Jul 2026486 PMAQI
28th Jul 2026467 PMAQI
28th Jul 2026448 PMAQI
28th Jul 2026429 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20263311 PMAQI
29th Jul 20262712 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026362 AMAQI
29th Jul 2026423 AMAQI
29th Jul 2026544 AMAQI
29°C27/33°C
29th Jul 2026515 AMAQI
29th Jul 2026486 AMAQI
29th Jul 2026497 AMAQI
29th Jul 2026368 AMAQI
29th Jul 2026369 AMAQI
29th Jul 20264810 AMAQI
29th Jul 20264811 AMAQI
29th Jul 20264912 PMAQI
29th Jul 2026531 PMAQI
29th Jul 2026582 PMAQI
29th Jul 2026623 PMAQI
29th Jul 2026624 PMAQI
29th Jul 2026525 PMAQI
29th Jul 2026586 PMAQI
29th Jul 2026607 PMAQI
29th Jul 2026598 PMAQI
29th Jul 2026609 PMAQI
29th Jul 20266510 PMAQI
29th Jul 20266611 PMAQI
30th Jul 20266012 AMAQI
30th Jul 2026541 AMAQI
30th Jul 2026482 AMAQI
30th Jul 2026503 AMAQI
30th Jul 2026544 AMAQI
30°C26/36°C
30th Jul 2026565 AMAQI
30th Jul 2026566 AMAQI
30th Jul 2026537 AMAQI
30th Jul 2026538 AMAQI
30th Jul 2026599 AMAQI
30th Jul 20265910 AMAQI
30th Jul 20265611 AMAQI
30th Jul 20265812 PMAQI
30th Jul 2026621 PMAQI
30th Jul 2026672 PMAQI
30th Jul 2026623 PMAQI
30th Jul 2026714 PMAQI
30th Jul 2026705 PMAQI
30th Jul 2026716 PMAQI
30th Jul 2026747 PMAQI
30th Jul 2026738 PMAQI
30th Jul 2026749 PMAQI
30th Jul 20267310 PMAQI
30th Jul 20267211 PMAQI
31st Jul 20267112 AMAQI
31st Jul 2026641 AMAQI
31st Jul 2026632 AMAQI
31st Jul 2026573 AMAQI
31st Jul 2026564 AMAQI
32°C27/38°C
31st Jul 2026525 AMAQI
31st Jul 2026516 AMAQI
31st Jul 2026497 AMAQI
31st Jul 2026448 AMAQI
31st Jul 2026549 AMAQI
31st Jul 20265910 AMAQI
31st Jul 20266411 AMAQI
31st Jul 20267612 PMAQI
31st Jul 2026761 PMAQI
31st Jul 2026832 PMAQI
31st Jul 2026883 PMAQI
31st Jul 2026834 PMAQI
31st Jul 2026855 PMAQI
31st Jul 2026806 PMAQI
31st Jul 2026627 PMAQI
31st Jul 2026548 PMAQI
31st Jul 2026589 PMAQI
31st Jul 20267010 PMAQI
31st Jul 20267611 PMAQI
1st Aug 20268612 AMAQI
1st Aug 2026931 AMAQI
1st Aug 2026962 AMAQI
1st Aug 20261023 AMAQI
1st Aug 20261044 AMAQI
31°C27/37°C
1st Aug 20261025 AMAQI
1st Aug 20261056 AMAQI
1st Aug 20261007 AMAQI
1st Aug 20261048 AMAQI
1st Aug 2026909 AMAQI
1st Aug 20269210 AMAQI
1st Aug 20268911 AMAQI
1st Aug 20269212 PMAQI
1st Aug 2026921 PMAQI
1st Aug 2026942 PMAQI
1st Aug 2026903 PMAQI
1st Aug 2026904 PMAQI
1st Aug 2026805 PMAQI
1st Aug 2026746 PMAQI
1st Aug 2026697 PMAQI
1st Aug 2026708 PMAQI
1st Aug 2026769 PMAQI
1st Aug 20268210 PMAQI
1st Aug 20268211 PMAQI
2nd Aug 20269012 AMAQI
2nd Aug 2026971 AMAQI
2nd Aug 20261122 AMAQI
2nd Aug 20261123 AMAQI
2nd Aug 20261194 AMAQI
31°C27/37°C
2nd Aug 20261105 AMAQI
2nd Aug 2026966 AMAQI
2nd Aug 2026967 AMAQI
2nd Aug 2026818 AMAQI
2nd Aug 2026719 AMAQI
2nd Aug 20266310 AMAQI
2nd Aug 20266211 AMAQI
2nd Aug 20266812 PMAQI
2nd Aug 2026741 PMAQI
2nd Aug 2026712 PMAQI
2nd Aug 2026643 PMAQI
2nd Aug 2026564 PMAQI
2nd Aug 2026595 PMAQI
2nd Aug 2026646 PMAQI
2nd Aug 2026627 PMAQI
2nd Aug 2026578 PMAQI
2nd Aug 2026649 PMAQI
2nd Aug 20267810 PMAQI
2nd Aug 20268611 PMAQI
3rd Aug 20269412 AMAQI
3rd Aug 2026961 AMAQI
3rd Aug 20261002 AMAQI
3rd Aug 20261043 AMAQI
3rd Aug 20261124 AMAQI
31°C27/37°C
3rd Aug 20261085 AMAQI
3rd Aug 20261206 AMAQI
3rd Aug 20261327 AMAQI
3rd Aug 20261248 AMAQI
3rd Aug 20261269 AMAQI
3rd Aug 202611210 AMAQI
3rd Aug 202610011 AMAQI
3rd Aug 20268612 PMAQI
3rd Aug 2026781 PMAQI
3rd Aug 2026782 PMAQI
3rd Aug 2026743 PMAQI
3rd Aug 2026704 PMAQI
3rd Aug 2026675 PMAQI
3rd Aug 2026626 PMAQI
3rd Aug 2026547 PMAQI
3rd Aug 2026588 PMAQI
3rd Aug 2026599 PMAQI
3rd Aug 20265810 PMAQI
3rd Aug 20265411 PMAQI
4th Aug 20265212 AMAQI
4th Aug 2026421 AMAQI
4th Aug 2026362 AMAQI
4th Aug 2026333 AMAQI
4th Aug 2026424 AMAQI
31°C26/36°C
4th Aug 2026485 AMAQI
4th Aug 2026506 AMAQI
4th Aug 2026567 AMAQI
4th Aug 2026588 AMAQI
4th Aug 2026559 AMAQI
4th Aug 20264810 AMAQI
4th Aug 20264711 AMAQI
4th Aug 20265312 PMAQI
4th Aug 2026501 PMAQI
4th Aug 2026512 PMAQI
4th Aug 2026523 PMAQI
4th Aug 2026554 PMAQI
4th Aug 2026645 PMAQI
4th Aug 2026806 PMAQI
4th Aug 2026977 PMAQI
4th Aug 2026958 PMAQI
4th Aug 2026999 PMAQI
4th Aug 20269010 PMAQI
4th Aug 20268811 PMAQI
5th Aug 20267312 AMAQI
5th Aug 2026621 AMAQI
5th Aug 2026582 AMAQI
5th Aug 2026553 AMAQI
5th Aug 2026534 AMAQI
30°C26/35°C
5th Aug 2026525 AMAQI
5th Aug 2026466 AMAQI
5th Aug 2026467 AMAQI
5th Aug 2026528 AMAQI
5th Aug 2026579 AMAQI
5th Aug 20266410 AMAQI
5th Aug 20266811 AMAQI
5th Aug 20267112 PMAQI
5th Aug 2026781 PMAQI
5th Aug 2026702 PMAQI
5th Aug 2026723 PMAQI
5th Aug 2026724 PMAQI
5th Aug 2026725 PMAQI
5th Aug 2026766 PMAQI
5th Aug 2026667 PMAQI
5th Aug 2026628 PMAQI
5th Aug 2026649 PMAQI
5th Aug 20266410 PMAQI
5th Aug 20266411 PMAQI
6th Aug 20266712 AMAQI
6th Aug 2026651 AMAQI
6th Aug 2026652 AMAQI
6th Aug 2026623 AMAQI
6th Aug 2026644 AMAQI
31°C28/36°C
6th Aug 2026575 AMAQI
6th Aug 2026556 AMAQI
6th Aug 2026547 AMAQI
6th Aug 2026568 AMAQI
6th Aug 2026489 AMAQI
6th Aug 20265210 AMAQI
6th Aug 20265611 AMAQI
6th Aug 20265512 PMAQI
6th Aug 2026551 PMAQI
6th Aug 2026562 PMAQI
6th Aug 2026533 PMAQI
6th Aug 2026504 PMAQI
6th Aug 2026525 PMAQI
6th Aug 2026486 PMAQI
6th Aug 2026477 PMAQI
6th Aug 2026468 PMAQI
6th Aug 2026469 PMAQI
6th Aug 20264610 PMAQI
6th Aug 20264611 PMAQI
7th Aug 20264412 AMAQI
7th Aug 2026461 AMAQI
7th Aug 2026502 AMAQI
7th Aug 2026483 AMAQI
7th Aug 2026524 AMAQI
30°C26/34°C
7th Aug 2026515 AMAQI
5 AM7th Aug 2026446 AMAQI
7th Aug 2026467 AMAQI
7th Aug 2026488 AMAQI
7th Aug 2026449 AMAQI
7th Aug 20264610 AMAQI
7th Aug 20264711 AMAQI
11 AM7th Aug 20265512 PMAQI
7th Aug 2026531 PMAQI
7th Aug 2026542 PMAQI
7th Aug 2026523 PMAQI
7th Aug 2026524 PMAQI
7th Aug 2026465 PMAQI
7th Aug 2026486 PMAQI
6 PM7th Aug 2026467 PMAQI
7th Aug 2026468 PMAQI
7th Aug 2026519 PMAQI
7th Aug 20265810 PMAQI
7th Aug 20265711 PMAQI
11 PM4 AM
30°C26/34°C
Day time
Avg. Highest Time
6 PM
61AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 11 AM
53AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 6 PM (Avg. 61), while the lowest AQI was between 5 AM to 11 AM (Avg. 53).
Night time
Avg. Highest Time
7 PM - 11 PM
57AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
12 AM - 3 AM
52AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 11 PM (Avg. 57), while the lowest AQI was between 12 AM to 3 AM (Avg. 52).
2026 Days Vs Air Quality
Zhenchuan High School, Yushan, Jiangsu, China
2026
31%
67
56%
123
10%
22
3%
7
Total number of days with different AQI categories in last 219 days in 2026 (146 days remaining)
Good
67 DaysModerate
123 DaysPoor
22 DaysUnhealthy
7 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 31%
Health Risk Level:
High
In 2026, 31% of 219 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Zhenchuan High School, Yushan, Jiangsu, 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
37AQI (US)
37AQI (US)
2nd January 2026
70AQI (US)
70AQI (US)
3rd January 2026
95AQI (US)
95AQI (US)
4th January 2026
134AQI (US)
134AQI (US)
5th January 2026
156AQI (US)
156AQI (US)
6th January 2026
163AQI (US)
163AQI (US)
7th January 2026
135AQI (US)
135AQI (US)
8th January 2026
151AQI (US)
151AQI (US)
9th January 2026
151AQI (US)
151AQI (US)
10th January 2026
130AQI (US)
130AQI (US)
11th January 2026
71AQI (US)
71AQI (US)
12th January 2026
80AQI (US)
80AQI (US)
13th January 2026
134AQI (US)
134AQI (US)
14th January 2026
150AQI (US)
150AQI (US)
15th January 2026
141AQI (US)
141AQI (US)
16th January 2026
183AQI (US)
183AQI (US)
17th January 2026
162AQI (US)
162AQI (US)
18th January 2026
78AQI (US)
78AQI (US)
19th January 2026
56AQI (US)
56AQI (US)
20th January 2026
53AQI (US)
53AQI (US)
21st January 2026
81AQI (US)
81AQI (US)
22nd January 2026
78AQI (US)
78AQI (US)
23rd January 2026
127AQI (US)
127AQI (US)
24th January 2026
149AQI (US)
149AQI (US)
25th January 2026
117AQI (US)
117AQI (US)
26th January 2026
47AQI (US)
47AQI (US)
27th January 2026
78AQI (US)
78AQI (US)
28th January 2026
81AQI (US)
81AQI (US)
29th January 2026
44AQI (US)
44AQI (US)
30th January 2026
45AQI (US)
45AQI (US)
31st January 2026
42AQI (US)
42AQI (US)
1st February 2026
93AQI (US)
93AQI (US)
2nd February 2026
129AQI (US)
129AQI (US)
3rd February 2026
100AQI (US)
100AQI (US)
4th February 2026
91AQI (US)
91AQI (US)
5th February 2026
149AQI (US)
149AQI (US)
6th February 2026
85AQI (US)
85AQI (US)
7th February 2026
58AQI (US)
58AQI (US)
8th February 2026
74AQI (US)
74AQI (US)
9th February 2026
70AQI (US)
70AQI (US)
10th February 2026
64AQI (US)
64AQI (US)
11th February 2026
95AQI (US)
95AQI (US)
12th February 2026
145AQI (US)
145AQI (US)
13th February 2026
152AQI (US)
152AQI (US)
14th February 2026
125AQI (US)
125AQI (US)
15th February 2026
144AQI (US)
144AQI (US)
16th February 2026
62AQI (US)
62AQI (US)
17th February 2026
88AQI (US)
88AQI (US)
18th February 2026
120AQI (US)
120AQI (US)
19th February 2026
140AQI (US)
140AQI (US)
20th February 2026
102AQI (US)
102AQI (US)
21st February 2026
92AQI (US)
92AQI (US)
22nd February 2026
90AQI (US)
90AQI (US)
23rd February 2026
58AQI (US)
58AQI (US)
24th February 2026
44AQI (US)
44AQI (US)
25th February 2026
64AQI (US)
64AQI (US)
26th February 2026
49AQI (US)
49AQI (US)
27th February 2026
32AQI (US)
32AQI (US)
28th February 2026
63AQI (US)
63AQI (US)
1st March 2026
33AQI (US)
33AQI (US)
2nd March 2026
24AQI (US)
24AQI (US)
3rd March 2026
63AQI (US)
63AQI (US)
4th March 2026
31AQI (US)
31AQI (US)
5th March 2026
62AQI (US)
62AQI (US)
6th March 2026
93AQI (US)
93AQI (US)
7th March 2026
70AQI (US)
70AQI (US)
8th March 2026
42AQI (US)
42AQI (US)
9th March 2026
60AQI (US)
60AQI (US)
10th March 2026
42AQI (US)
42AQI (US)
11th March 2026
64AQI (US)
64AQI (US)
12th March 2026
67AQI (US)
67AQI (US)
13th March 2026
97AQI (US)
97AQI (US)
14th March 2026
76AQI (US)
76AQI (US)
15th March 2026
54AQI (US)
54AQI (US)
16th March 2026
74AQI (US)
74AQI (US)
17th March 2026
103AQI (US)
103AQI (US)
18th March 2026
79AQI (US)
79AQI (US)
19th March 2026
85AQI (US)
85AQI (US)
20th March 2026
88AQI (US)
88AQI (US)
21st March 2026
54AQI (US)
54AQI (US)
22nd March 2026
75AQI (US)
75AQI (US)
23rd March 2026
70AQI (US)
70AQI (US)
24th March 2026
80AQI (US)
80AQI (US)
25th March 2026
98AQI (US)
98AQI (US)
26th March 2026
69AQI (US)
69AQI (US)
27th March 2026
68AQI (US)
68AQI (US)
28th March 2026
67AQI (US)
67AQI (US)
29th March 2026
89AQI (US)
89AQI (US)
30th March 2026
80AQI (US)
80AQI (US)
31st March 2026
80AQI (US)
80AQI (US)
1st April 2026
96AQI (US)
96AQI (US)
2nd April 2026
118AQI (US)
118AQI (US)
3rd April 2026
58AQI (US)
58AQI (US)
4th April 2026
94AQI (US)
94AQI (US)
5th April 2026
98AQI (US)
98AQI (US)
6th April 2026
107AQI (US)
107AQI (US)
7th April 2026
45AQI (US)
45AQI (US)
8th April 2026
34AQI (US)
34AQI (US)
9th April 2026
39AQI (US)
39AQI (US)
10th April 2026
82AQI (US)
82AQI (US)
11th April 2026
101AQI (US)
101AQI (US)
12th April 2026
28AQI (US)
28AQI (US)
13th April 2026
48AQI (US)
48AQI (US)
14th April 2026
74AQI (US)
74AQI (US)
15th April 2026
73AQI (US)
73AQI (US)
16th April 2026
51AQI (US)
51AQI (US)
17th April 2026
85AQI (US)
85AQI (US)
18th April 2026
59AQI (US)
59AQI (US)
19th April 2026
57AQI (US)
57AQI (US)
20th April 2026
62AQI (US)
62AQI (US)
21st April 2026
60AQI (US)
60AQI (US)
22nd April 2026
33AQI (US)
33AQI (US)
23rd April 2026
29AQI (US)
29AQI (US)
24th April 2026
62AQI (US)
62AQI (US)
25th April 2026
59AQI (US)
59AQI (US)
26th April 2026
62AQI (US)
62AQI (US)
27th April 2026
96AQI (US)
96AQI (US)
28th April 2026
79AQI (US)
79AQI (US)
29th April 2026
38AQI (US)
38AQI (US)
30th April 2026
61AQI (US)
61AQI (US)
1st May 2026
74AQI (US)
74AQI (US)
2nd May 2026
72AQI (US)
72AQI (US)
3rd May 2026
80AQI (US)
80AQI (US)
4th May 2026
54AQI (US)
54AQI (US)
5th May 2026
65AQI (US)
65AQI (US)
6th May 2026
48AQI (US)
48AQI (US)
7th May 2026
69AQI (US)
69AQI (US)
8th May 2026
31AQI (US)
31AQI (US)
9th May 2026
33AQI (US)
33AQI (US)
10th May 2026
42AQI (US)
42AQI (US)
11th May 2026
59AQI (US)
59AQI (US)
12th May 2026
71AQI (US)
71AQI (US)
13th May 2026
66AQI (US)
66AQI (US)
14th May 2026
29AQI (US)
29AQI (US)
15th May 2026
38AQI (US)
38AQI (US)
16th May 2026
76AQI (US)
76AQI (US)
17th May 2026
63AQI (US)
63AQI (US)
18th May 2026
55AQI (US)
55AQI (US)
19th May 2026
52AQI (US)
52AQI (US)
20th May 2026
63AQI (US)
63AQI (US)
21st May 2026
68AQI (US)
68AQI (US)
22nd May 2026
77AQI (US)
77AQI (US)
23rd May 2026
71AQI (US)
71AQI (US)
24th May 2026
71AQI (US)
71AQI (US)
25th May 2026
64AQI (US)
64AQI (US)
26th May 2026
45AQI (US)
45AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
43AQI (US)
43AQI (US)
29th May 2026
47AQI (US)
47AQI (US)
30th May 2026
52AQI (US)
52AQI (US)
31st May 2026
41AQI (US)
41AQI (US)
1st June 2026
44AQI (US)
44AQI (US)
2nd June 2026
63AQI (US)
63AQI (US)
3rd June 2026
51AQI (US)
51AQI (US)
4th June 2026
46AQI (US)
46AQI (US)
5th June 2026
37AQI (US)
37AQI (US)
6th June 2026
22AQI (US)
22AQI (US)
7th June 2026
25AQI (US)
25AQI (US)
8th June 2026
24AQI (US)
24AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
27AQI (US)
27AQI (US)
11th June 2026
38AQI (US)
38AQI (US)
12th June 2026
44AQI (US)
44AQI (US)
13th June 2026
52AQI (US)
52AQI (US)
14th June 2026
22AQI (US)
22AQI (US)
15th June 2026
24AQI (US)
24AQI (US)
16th June 2026
27AQI (US)
27AQI (US)
17th June 2026
59AQI (US)
59AQI (US)
18th June 2026
101AQI (US)
101AQI (US)
19th June 2026
70AQI (US)
70AQI (US)
20th June 2026
39AQI (US)
39AQI (US)
21st June 2026
88AQI (US)
88AQI (US)
22nd June 2026
35AQI (US)
35AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
32AQI (US)
32AQI (US)
25th June 2026
30AQI (US)
30AQI (US)
26th June 2026
63AQI (US)
63AQI (US)
27th June 2026
84AQI (US)
84AQI (US)
28th June 2026
88AQI (US)
88AQI (US)
29th June 2026
53AQI (US)
53AQI (US)
30th June 2026
45AQI (US)
45AQI (US)
1st July 2026
51AQI (US)
51AQI (US)
2nd July 2026
79AQI (US)
79AQI (US)
3rd July 2026
72AQI (US)
72AQI (US)
4th July 2026
50AQI (US)
50AQI (US)
5th July 2026
37AQI (US)
37AQI (US)
6th July 2026
54AQI (US)
54AQI (US)
7th July 2026
74AQI (US)
74AQI (US)
8th July 2026
54AQI (US)
54AQI (US)
9th July 2026
40AQI (US)
40AQI (US)
10th July 2026
37AQI (US)
37AQI (US)
11th July 2026
32AQI (US)
32AQI (US)
12th July 2026
29AQI (US)
29AQI (US)
13th July 2026
29AQI (US)
29AQI (US)
14th July 2026
47AQI (US)
47AQI (US)
15th July 2026
60AQI (US)
60AQI (US)
16th July 2026
63AQI (US)
63AQI (US)
17th July 2026
73AQI (US)
73AQI (US)
18th July 2026
75AQI (US)
75AQI (US)
19th July 2026
50AQI (US)
50AQI (US)
20th July 2026
62AQI (US)
62AQI (US)
21st July 2026
44AQI (US)
44AQI (US)
22nd July 2026
56AQI (US)
56AQI (US)
23rd July 2026
78AQI (US)
78AQI (US)
24th July 2026
74AQI (US)
74AQI (US)
25th July 2026
36AQI (US)
36AQI (US)
26th July 2026
39AQI (US)
39AQI (US)
27th July 2026
36AQI (US)
36AQI (US)
28th July 2026
33AQI (US)
33AQI (US)
29th July 2026
50AQI (US)
50AQI (US)
30th July 2026
62AQI (US)
62AQI (US)
31st July 2026
66AQI (US)
66AQI (US)
1st August 2026
90AQI (US)
90AQI (US)
2nd August 2026
80AQI (US)
80AQI (US)
3rd August 2026
89AQI (US)
89AQI (US)
4th August 2026
60AQI (US)
60AQI (US)
5th August 2026
63AQI (US)
63AQI (US)
6th August 2026
54AQI (US)
54AQI (US)
7th August 2026
49AQI (US)
49AQI (US)
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
104AQI (US)
92AQI (US)
69AQI (US)
66AQI (US)
56AQI (US)
46AQI (US)
53AQI (US)
69AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202669AQI (US)
5
11
9
6
3
16
8
1
5
25
1
8
19
3
11
20
19
10
1
15
16
1
6
67
123
22
7
Highest AQI (US) recorded in
January104AQI (US)
Lowest AQI (US) recorded in
June46AQI (US)
202582AQI (US)
12
15
4
17
9
2
19
12
18
11
1
28
3
8
21
1
9
22
3
28
4
26
3
26
2
2
14
10
4
1
14
13
3
30
245
76
14
Highest AQI (US) recorded in
January113AQI (US)
Lowest AQI (US) recorded in
July53AQI (US)
202475AQI (US)
1
8
7
1
1
1
3
9
2
28
9
22
2
29
14
14
1
8
18
5
7
13
10
9
21
1
45
143
48
8
Highest AQI (US) recorded in
January141AQI (US)
Lowest AQI (US) recorded in
July53AQI (US)
2023145AQI (US)
2
1
17
14
19
15
Highest AQI (US) recorded in
December145AQI (US)
Lowest AQI (US) recorded in
November139AQI (US)
202177AQI (US)
14
13
3
3
16
9
17
13
1
2
20
8
4
21
4
1
1
9
20
1
16
13
1
10
11
13
17
19
11
1
4
18
7
1
8
11
1
80
186
67
7
2
Highest AQI (US) recorded in
January112AQI (US)
Lowest AQI (US) recorded in
July49AQI (US)
202079AQI (US)
2
8
2
6
14
1
1
8
9
7
19
4
7
18
6
9
22
7
17
6
9
20
2
7
19
4
15
11
4
1
49
152
58
5
1
Highest AQI (US) recorded in
April113AQI (US)
Lowest AQI (US) recorded in
August57AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
145AQI (US)Least Polluted Year Recorded
2026(Avg.)
69AQI (US)Zhenchuan High School's annual 2026 AQI (US) (69) shows an average percentage change of -19.8% (improved AQI (US)) compared to previous years: 2020 (79), 2021 (77), 2023 (145), 2024 (75), 2025 (82).
