Nanzheng Big Hekan Waterworks, Hanzhong, 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+
October Air Quality Analysis
Nanzheng Big Hekan Waterworks, Hanzhong, Shaanxi, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
24th Oct 2022
160AQILowest AQI recorded on
6th Oct 2021
19AQISame Day Analysis (10th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 58 of Moderate air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Oct - 11th Oct 2025
Nanzheng Big Hekan Waterworks, Hanzhong, Shaanxi, China
AQI
Day
Night
.
6 AM10th Oct 2025
6 PM
5 AM11th Oct 2025
Day time
Avg. Highest Time
8AM10th Oct
60AQI
Avg. Lowest Time
6PM10th Oct
40AQI
Night time
Avg. Highest Time
5AM11th Oct
44AQI
Avg. Lowest Time
10PM10th Oct
37AQI
In the last 24 hours,
Nanzheng Big Hekan Waterworks's AQI reached its highest point of 60 at 8 AM during the Day, while the lowest point, 37, was recorded at 10 PM during the Night between 10th Oct and 11th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Nanzheng Big Hekan Waterworks, Hanzhong, Shaanxi, China
SepOct
11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
11th Sep 2025566 AMAQI
11th Sep 2025557 AMAQI
11th Sep 2025288 AMAQI
11th Sep 2025309 AMAQI
11th Sep 20252910 AMAQI
11th Sep 20253811 AMAQI
11th Sep 20253512 PMAQI
11th Sep 2025441 PMAQI
11th Sep 2025322 PMAQI
11th Sep 2025303 PMAQI
11th Sep 2025284 PMAQI
11th Sep 2025305 PMAQI
11th Sep 2025306 PMAQI
11th Sep 2025407 PMAQI
11th Sep 2025508 PMAQI
11th Sep 2025509 PMAQI
11th Sep 20255010 PMAQI
11th Sep 20255211 PMAQI
12th Sep 20255412 AMAQI
12th Sep 2025561 AMAQI
12th Sep 2025562 AMAQI
12th Sep 2025553 AMAQI
12th Sep 2025544 AMAQI
12th Sep 2025545 AMAQI
21°C19/22°C
12th Sep 2025546 AMAQI
12th Sep 2025547 AMAQI
12th Sep 2025248 AMAQI
12th Sep 2025249 AMAQI
12th Sep 20253010 AMAQI
12th Sep 20253111 AMAQI
12th Sep 20252912 PMAQI
12th Sep 2025291 PMAQI
12th Sep 2025282 PMAQI
12th Sep 2025353 PMAQI
12th Sep 2025304 PMAQI
12th Sep 2025325 PMAQI
12th Sep 2025266 PMAQI
12th Sep 2025437 PMAQI
12th Sep 2025508 PMAQI
12th Sep 2025529 PMAQI
12th Sep 20255210 PMAQI
12th Sep 20255111 PMAQI
13th Sep 20255112 AMAQI
13th Sep 2025551 AMAQI
13th Sep 2025552 AMAQI
13th Sep 2025533 AMAQI
13th Sep 2025524 AMAQI
13th Sep 2025525 AMAQI
24°C20/29°C
13th Sep 2025526 AMAQI
13th Sep 2025527 AMAQI
13th Sep 2025308 AMAQI
13th Sep 2025349 AMAQI
13th Sep 20253610 AMAQI
13th Sep 20253211 AMAQI
13th Sep 20253012 PMAQI
13th Sep 2025291 PMAQI
13th Sep 2025362 PMAQI
13th Sep 2025313 PMAQI
13th Sep 2025304 PMAQI
13th Sep 2025275 PMAQI
13th Sep 2025306 PMAQI
13th Sep 2025487 PMAQI
13th Sep 2025488 PMAQI
13th Sep 2025509 PMAQI
13th Sep 20255410 PMAQI
13th Sep 20255011 PMAQI
14th Sep 20255312 AMAQI
14th Sep 2025531 AMAQI
14th Sep 2025532 AMAQI
14th Sep 2025523 AMAQI
14th Sep 2025514 AMAQI
14th Sep 2025515 AMAQI
23°C19/29°C
14th Sep 2025506 AMAQI
14th Sep 2025507 AMAQI
14th Sep 2025458 AMAQI
14th Sep 2025369 AMAQI
14th Sep 20254510 AMAQI
14th Sep 20254711 AMAQI
14th Sep 20254312 PMAQI
14th Sep 2025321 PMAQI
14th Sep 2025332 PMAQI
14th Sep 2025353 PMAQI
14th Sep 2025384 PMAQI
14th Sep 2025345 PMAQI
14th Sep 2025406 PMAQI
14th Sep 2025457 PMAQI
14th Sep 2025488 PMAQI
14th Sep 2025549 PMAQI
14th Sep 20255610 PMAQI
14th Sep 20255711 PMAQI
15th Sep 20255612 AMAQI
15th Sep 2025521 AMAQI
15th Sep 2025542 AMAQI
15th Sep 2025513 AMAQI
15th Sep 2025504 AMAQI
15th Sep 2025505 AMAQI
24°C21/30°C
15th Sep 2025506 AMAQI
15th Sep 2025517 AMAQI
15th Sep 2025448 AMAQI
15th Sep 2025589 AMAQI
15th Sep 20254610 AMAQI
15th Sep 20254611 AMAQI
15th Sep 20254312 PMAQI
15th Sep 2025501 PMAQI
15th Sep 2025532 PMAQI
15th Sep 2025523 PMAQI
15th Sep 2025524 PMAQI
15th Sep 2025485 PMAQI
15th Sep 2025486 PMAQI
15th Sep 2025527 PMAQI
15th Sep 2025568 PMAQI
15th Sep 2025609 PMAQI
15th Sep 20256010 PMAQI
15th Sep 20256011 PMAQI
16th Sep 20255912 AMAQI
16th Sep 2025561 AMAQI
16th Sep 2025562 AMAQI
16th Sep 2025543 AMAQI
16th Sep 2025524 AMAQI
16th Sep 2025525 AMAQI
25°C20/31°C
16th Sep 2025526 AMAQI
16th Sep 2025527 AMAQI
16th Sep 2025408 AMAQI
16th Sep 2025329 AMAQI
16th Sep 20253610 AMAQI
16th Sep 20254111 AMAQI
16th Sep 20254212 PMAQI
16th Sep 2025471 PMAQI
16th Sep 2025442 PMAQI
16th Sep 2025323 PMAQI
16th Sep 2025304 PMAQI
16th Sep 2025265 PMAQI
16th Sep 2025326 PMAQI
16th Sep 2025427 PMAQI
16th Sep 2025488 PMAQI
16th Sep 2025509 PMAQI
16th Sep 20255210 PMAQI
16th Sep 20255311 PMAQI
17th Sep 20255412 AMAQI
17th Sep 2025551 AMAQI
17th Sep 2025542 AMAQI
17th Sep 2025543 AMAQI
17th Sep 2025524 AMAQI
17th Sep 2025525 AMAQI
22°C18/27°C
17th Sep 2025526 AMAQI
17th Sep 2025527 AMAQI
17th Sep 2025428 AMAQI
17th Sep 2025509 AMAQI
17th Sep 20255210 AMAQI
17th Sep 20254711 AMAQI
17th Sep 20253912 PMAQI
17th Sep 2025441 PMAQI
17th Sep 2025442 PMAQI
17th Sep 2025413 PMAQI
17th Sep 2025314 PMAQI
17th Sep 2025305 PMAQI
17th Sep 2025396 PMAQI
17th Sep 2025427 PMAQI
17th Sep 2025458 PMAQI
17th Sep 2025439 PMAQI
17th Sep 20254310 PMAQI
17th Sep 20254111 PMAQI
18th Sep 20254512 AMAQI
18th Sep 2025541 AMAQI
18th Sep 2025542 AMAQI
18th Sep 2025533 AMAQI
18th Sep 2025524 AMAQI
18th Sep 2025525 AMAQI
18°C15/21°C
18th Sep 2025526 AMAQI
18th Sep 2025527 AMAQI
18th Sep 2025268 AMAQI
18th Sep 2025169 AMAQI
18th Sep 20251510 AMAQI
18th Sep 20251911 AMAQI
18th Sep 20252512 PMAQI
18th Sep 2025251 PMAQI
18th Sep 2025242 PMAQI
18th Sep 2025243 PMAQI
18th Sep 2025244 PMAQI
18th Sep 2025245 PMAQI
18th Sep 2025246 PMAQI
18th Sep 2025337 PMAQI
18th Sep 2025458 PMAQI
18th Sep 2025469 PMAQI
18th Sep 20254510 PMAQI
18th Sep 20254311 PMAQI
19th Sep 20254712 AMAQI
19th Sep 2025531 AMAQI
19th Sep 2025522 AMAQI
19th Sep 2025513 AMAQI
19th Sep 2025484 AMAQI
19th Sep 2025475 AMAQI
16°C15/17°C
19th Sep 2025466 AMAQI
19th Sep 2025457 AMAQI
19th Sep 2025268 AMAQI
19th Sep 2025219 AMAQI
19th Sep 20252110 AMAQI
19th Sep 20252011 AMAQI
19th Sep 20252812 PMAQI
19th Sep 2025301 PMAQI
19th Sep 2025282 PMAQI
19th Sep 2025283 PMAQI
19th Sep 2025274 PMAQI
19th Sep 2025265 PMAQI
19th Sep 2025296 PMAQI
19th Sep 2025347 PMAQI
19th Sep 2025438 PMAQI
19th Sep 2025429 PMAQI
19th Sep 20254310 PMAQI
19th Sep 20254411 PMAQI
20th Sep 20254512 AMAQI
20th Sep 2025501 AMAQI
20th Sep 2025482 AMAQI
20th Sep 2025483 AMAQI
20th Sep 2025464 AMAQI
20th Sep 2025475 AMAQI
17°C13/22°C
20th Sep 2025456 AMAQI
20th Sep 2025467 AMAQI
20th Sep 2025278 AMAQI
20th Sep 2025229 AMAQI
20th Sep 20252610 AMAQI
20th Sep 20253011 AMAQI
20th Sep 20253312 PMAQI
20th Sep 2025291 PMAQI
20th Sep 2025282 PMAQI
20th Sep 2025273 PMAQI
20th Sep 2025274 PMAQI
20th Sep 2025285 PMAQI
20th Sep 2025286 PMAQI
20th Sep 2025327 PMAQI
20th Sep 2025418 PMAQI
20th Sep 2025429 PMAQI
20th Sep 20254210 PMAQI
20th Sep 20254111 PMAQI
21st Sep 20254212 AMAQI
21st Sep 2025461 AMAQI
21st Sep 2025462 AMAQI
21st Sep 2025453 AMAQI
21st Sep 2025434 AMAQI
21st Sep 2025435 AMAQI
16°C14/18°C
21st Sep 2025436 AMAQI
21st Sep 2025437 AMAQI
21st Sep 2025308 AMAQI
21st Sep 2025269 AMAQI
21st Sep 20252810 AMAQI
21st Sep 20252811 AMAQI
21st Sep 20253312 PMAQI
21st Sep 2025321 PMAQI
21st Sep 2025322 PMAQI
21st Sep 2025353 PMAQI
21st Sep 2025334 PMAQI
21st Sep 2025325 PMAQI
21st Sep 2025366 PMAQI
21st Sep 2025387 PMAQI
21st Sep 2025428 PMAQI
21st Sep 2025439 PMAQI
21st Sep 20254210 PMAQI
21st Sep 20254111 PMAQI
22nd Sep 20254112 AMAQI
22nd Sep 2025421 AMAQI
22nd Sep 2025432 AMAQI
22nd Sep 2025413 AMAQI
22nd Sep 2025394 AMAQI
22nd Sep 2025395 AMAQI
14°C13/14°C
22nd Sep 2025406 AMAQI
22nd Sep 2025387 AMAQI
22nd Sep 2025308 AMAQI
22nd Sep 2025269 AMAQI
22nd Sep 20253010 AMAQI
22nd Sep 20252611 AMAQI
22nd Sep 20253112 PMAQI
22nd Sep 2025311 PMAQI
22nd Sep 2025302 PMAQI
22nd Sep 2025313 PMAQI
22nd Sep 2025274 PMAQI
22nd Sep 2025285 PMAQI
22nd Sep 2025306 PMAQI
22nd Sep 2025357 PMAQI
22nd Sep 2025388 PMAQI
22nd Sep 2025409 PMAQI
22nd Sep 20254010 PMAQI
22nd Sep 20253811 PMAQI
23rd Sep 20254112 AMAQI
23rd Sep 2025451 AMAQI
23rd Sep 2025422 AMAQI
23rd Sep 2025423 AMAQI
23rd Sep 2025394 AMAQI
23rd Sep 2025405 AMAQI
15°C13/18°C
23rd Sep 2025396 AMAQI
23rd Sep 2025397 AMAQI
23rd Sep 2025258 AMAQI
23rd Sep 2025209 AMAQI
23rd Sep 20252410 AMAQI
23rd Sep 20252211 AMAQI
23rd Sep 20252712 PMAQI
23rd Sep 2025261 PMAQI
23rd Sep 2025252 PMAQI
23rd Sep 2025283 PMAQI
23rd Sep 2025254 PMAQI
23rd Sep 2025265 PMAQI
23rd Sep 2025256 PMAQI
23rd Sep 2025307 PMAQI
23rd Sep 2025388 PMAQI
23rd Sep 2025389 PMAQI
23rd Sep 20253810 PMAQI
23rd Sep 20253811 PMAQI
24th Sep 20253812 AMAQI
24th Sep 2025421 AMAQI
24th Sep 2025402 AMAQI
24th Sep 2025403 AMAQI
24th Sep 2025414 AMAQI
24th Sep 2025395 AMAQI
16°C14/21°C
24th Sep 2025416 AMAQI
24th Sep 2025407 AMAQI
24th Sep 2025288 AMAQI
24th Sep 2025279 AMAQI
24th Sep 20253310 AMAQI
24th Sep 20252611 AMAQI
24th Sep 20252612 PMAQI
24th Sep 2025251 PMAQI
24th Sep 2025262 PMAQI
24th Sep 2025263 PMAQI
24th Sep 2025264 PMAQI
24th Sep 2025265 PMAQI
24th Sep 2025276 PMAQI
24th Sep 2025287 PMAQI
24th Sep 2025378 PMAQI
24th Sep 2025419 PMAQI
24th Sep 20254310 PMAQI
24th Sep 20254411 PMAQI
25th Sep 20254512 AMAQI
25th Sep 2025411 AMAQI
25th Sep 2025402 AMAQI
25th Sep 2025403 AMAQI
25th Sep 2025384 AMAQI
25th Sep 2025385 AMAQI
17°C14/23°C
25th Sep 2025386 AMAQI
25th Sep 2025387 AMAQI
25th Sep 2025468 AMAQI
25th Sep 2025519 AMAQI
25th Sep 20255210 AMAQI
25th Sep 20254211 AMAQI
25th Sep 20253812 PMAQI
25th Sep 2025341 PMAQI
25th Sep 2025332 PMAQI
25th Sep 2025333 PMAQI
25th Sep 2025344 PMAQI
25th Sep 2025355 PMAQI
25th Sep 2025386 PMAQI
25th Sep 2025397 PMAQI
25th Sep 2025398 PMAQI
25th Sep 2025629 PMAQI
25th Sep 20257810 PMAQI
25th Sep 20258311 PMAQI
26th Sep 20258012 AMAQI
26th Sep 20251161 AMAQI
26th Sep 20251252 AMAQI
26th Sep 2025973 AMAQI
26th Sep 2025814 AMAQI
26th Sep 2025705 AMAQI
18°C13/24°C
26th Sep 2025656 AMAQI
26th Sep 2025637 AMAQI
26th Sep 2025548 AMAQI
26th Sep 2025489 AMAQI
26th Sep 20254510 AMAQI
26th Sep 20254511 AMAQI
26th Sep 20254912 PMAQI
26th Sep 2025481 PMAQI
26th Sep 2025402 PMAQI
26th Sep 2025413 PMAQI
26th Sep 2025404 PMAQI
26th Sep 2025405 PMAQI
26th Sep 2025406 PMAQI
26th Sep 2025457 PMAQI
26th Sep 2025458 PMAQI
26th Sep 2025469 PMAQI
26th Sep 20253710 PMAQI
26th Sep 20253311 PMAQI
27th Sep 20253512 AMAQI
27th Sep 2025421 AMAQI
27th Sep 2025422 AMAQI
27th Sep 2025303 AMAQI
27th Sep 2025334 AMAQI
27th Sep 2025335 AMAQI
17°C16/19°C
27th Sep 2025326 AMAQI
27th Sep 2025307 AMAQI
27th Sep 2025338 AMAQI
27th Sep 2025339 AMAQI
27th Sep 20253510 AMAQI
27th Sep 20253711 AMAQI
27th Sep 20253312 PMAQI
27th Sep 2025331 PMAQI
27th Sep 2025362 PMAQI
27th Sep 2025413 PMAQI
27th Sep 2025404 PMAQI
27th Sep 2025465 PMAQI
27th Sep 2025536 PMAQI
27th Sep 2025547 PMAQI
27th Sep 2025538 PMAQI
27th Sep 2025549 PMAQI
27th Sep 20255610 PMAQI
27th Sep 20255711 PMAQI
28th Sep 20255912 AMAQI
28th Sep 2025571 AMAQI
28th Sep 2025532 AMAQI
28th Sep 2025543 AMAQI
28th Sep 2025534 AMAQI
28th Sep 2025485 AMAQI
17°C16/18°C
28th Sep 2025416 AMAQI
28th Sep 2025397 AMAQI
28th Sep 2025378 AMAQI
28th Sep 2025369 AMAQI
28th Sep 20254210 AMAQI
28th Sep 20253811 AMAQI
28th Sep 20253612 PMAQI
28th Sep 2025271 PMAQI
28th Sep 2025242 PMAQI
28th Sep 2025273 PMAQI
28th Sep 2025334 PMAQI
28th Sep 2025355 PMAQI
28th Sep 2025406 PMAQI
28th Sep 2025447 PMAQI
28th Sep 2025498 PMAQI
28th Sep 2025609 PMAQI
28th Sep 20256310 PMAQI
28th Sep 20256411 PMAQI
29th Sep 20256212 AMAQI
29th Sep 2025421 AMAQI
29th Sep 2025162 AMAQI
29th Sep 2025163 AMAQI
29th Sep 2025154 AMAQI
29th Sep 2025195 AMAQI
17°C16/19°C
29th Sep 2025286 AMAQI
29th Sep 2025287 AMAQI
29th Sep 2025268 AMAQI
29th Sep 2025209 AMAQI
29th Sep 20253210 AMAQI
29th Sep 20252211 AMAQI
29th Sep 20252212 PMAQI
29th Sep 2025261 PMAQI
29th Sep 2025302 PMAQI
29th Sep 2025363 PMAQI
29th Sep 2025354 PMAQI
29th Sep 2025355 PMAQI
29th Sep 2025366 PMAQI
29th Sep 2025327 PMAQI
29th Sep 2025438 PMAQI
29th Sep 2025519 PMAQI
29th Sep 20254410 PMAQI
29th Sep 20254411 PMAQI
30th Sep 20254812 AMAQI
30th Sep 2025361 AMAQI
30th Sep 2025352 AMAQI
30th Sep 2025273 AMAQI
30th Sep 2025304 AMAQI
30th Sep 2025235 AMAQI
20°C16/24°C
30th Sep 2025206 AMAQI
30th Sep 2025237 AMAQI
30th Sep 2025218 AMAQI
30th Sep 2025249 AMAQI
30th Sep 20252410 AMAQI
30th Sep 20252711 AMAQI
30th Sep 20252712 PMAQI
30th Sep 2025271 PMAQI
30th Sep 2025262 PMAQI
30th Sep 2025263 PMAQI
30th Sep 2025304 PMAQI
30th Sep 2025255 PMAQI
30th Sep 2025276 PMAQI
30th Sep 2025287 PMAQI
30th Sep 2025288 PMAQI
30th Sep 2025389 PMAQI
30th Sep 20253510 PMAQI
30th Sep 20254511 PMAQI
1st Oct 20253612 AMAQI
1st Oct 2025281 AMAQI
1st Oct 2025242 AMAQI
1st Oct 2025213 AMAQI
1st Oct 2025194 AMAQI
1st Oct 2025195 AMAQI
17°C16/20°C
1st Oct 2025186 AMAQI
1st Oct 2025227 AMAQI
1st Oct 2025238 AMAQI
1st Oct 2025219 AMAQI
1st Oct 20253310 AMAQI
1st Oct 20252011 AMAQI
1st Oct 20252112 PMAQI
1st Oct 2025271 PMAQI
1st Oct 2025262 PMAQI
1st Oct 2025303 PMAQI
1st Oct 2025334 PMAQI
1st Oct 2025365 PMAQI
1st Oct 2025326 PMAQI
1st Oct 2025357 PMAQI
1st Oct 2025348 PMAQI
1st Oct 2025379 PMAQI
1st Oct 20253010 PMAQI
1st Oct 20252311 PMAQI
2nd Oct 20253012 AMAQI
2nd Oct 2025331 AMAQI
2nd Oct 2025352 AMAQI
2nd Oct 2025343 AMAQI
2nd Oct 2025334 AMAQI
2nd Oct 2025395 AMAQI
16°C16/17°C
2nd Oct 2025406 AMAQI
2nd Oct 2025437 AMAQI
2nd Oct 2025408 AMAQI
2nd Oct 2025479 AMAQI
2nd Oct 20254310 AMAQI
2nd Oct 20254311 AMAQI
2nd Oct 20253312 PMAQI
2nd Oct 2025381 PMAQI
2nd Oct 2025532 PMAQI
2nd Oct 2025553 PMAQI
2nd Oct 2025404 PMAQI
2nd Oct 2025365 PMAQI
2nd Oct 2025346 PMAQI
2nd Oct 2025377 PMAQI
2nd Oct 2025338 PMAQI
2nd Oct 2025359 PMAQI
2nd Oct 20253610 PMAQI
2nd Oct 20254311 PMAQI
3rd Oct 20253912 AMAQI
3rd Oct 2025381 AMAQI
3rd Oct 2025302 AMAQI
3rd Oct 2025323 AMAQI
3rd Oct 2025324 AMAQI
3rd Oct 2025305 AMAQI
17°C14/21°C
3rd Oct 2025296 AMAQI
3rd Oct 2025317 AMAQI
3rd Oct 2025328 AMAQI
3rd Oct 2025329 AMAQI
3rd Oct 20253010 AMAQI
3rd Oct 20253011 AMAQI
3rd Oct 20253212 PMAQI
3rd Oct 2025121 PMAQI
3rd Oct 2025122 PMAQI
3rd Oct 2025113 PMAQI
3rd Oct 2025114 PMAQI
3rd Oct 2025115 PMAQI
3rd Oct 2025106 PMAQI
3rd Oct 2025107 PMAQI
3rd Oct 2025168 PMAQI
3rd Oct 2025209 PMAQI
3rd Oct 20254010 PMAQI
3rd Oct 20254511 PMAQI
4th Oct 20254312 AMAQI
4th Oct 2025351 AMAQI
4th Oct 2025312 AMAQI
4th Oct 2025293 AMAQI
4th Oct 2025314 AMAQI
4th Oct 2025325 AMAQI
18°C16/19°C
4th Oct 2025306 AMAQI
4th Oct 2025357 AMAQI
4th Oct 2025358 AMAQI
4th Oct 2025339 AMAQI
4th Oct 20253510 AMAQI
4th Oct 20253511 AMAQI
4th Oct 20254212 PMAQI
4th Oct 2025381 PMAQI
4th Oct 2025332 PMAQI
4th Oct 2025263 PMAQI
4th Oct 2025344 PMAQI
4th Oct 2025385 PMAQI
4th Oct 2025326 PMAQI
4th Oct 2025287 PMAQI
4th Oct 2025278 PMAQI
4th Oct 2025219 PMAQI
4th Oct 20251810 PMAQI
4th Oct 20254011 PMAQI
5th Oct 20255712 AMAQI
5th Oct 2025441 AMAQI
5th Oct 2025332 AMAQI
5th Oct 2025363 AMAQI
5th Oct 2025404 AMAQI
5th Oct 2025375 AMAQI
17°C17/19°C
5th Oct 2025216 AMAQI
5th Oct 2025217 AMAQI
5th Oct 2025198 AMAQI
5th Oct 2025199 AMAQI
5th Oct 20251910 AMAQI
5th Oct 20252511 AMAQI
5th Oct 20254412 PMAQI
5th Oct 2025321 PMAQI
5th Oct 2025372 PMAQI
5th Oct 2025323 PMAQI
5th Oct 2025304 PMAQI
5th Oct 2025245 PMAQI
5th Oct 2025266 PMAQI
5th Oct 2025267 PMAQI
5th Oct 2025448 PMAQI
5th Oct 2025419 PMAQI
5th Oct 20253810 PMAQI
5th Oct 20254311 PMAQI
6th Oct 20254612 AMAQI
6th Oct 2025381 AMAQI
6th Oct 2025352 AMAQI
6th Oct 2025403 AMAQI
6th Oct 2025414 AMAQI
6th Oct 2025375 AMAQI
17°C15/18°C
6th Oct 2025346 AMAQI
6th Oct 2025357 AMAQI
6th Oct 2025348 AMAQI
6th Oct 2025359 AMAQI
6th Oct 20253310 AMAQI
6th Oct 20253411 AMAQI
6th Oct 20253512 PMAQI
6th Oct 2025371 PMAQI
6th Oct 2025412 PMAQI
6th Oct 2025393 PMAQI
6th Oct 2025374 PMAQI
6th Oct 2025385 PMAQI
6th Oct 2025396 PMAQI
6th Oct 2025437 PMAQI
6th Oct 2025498 PMAQI
6th Oct 2025529 PMAQI
6th Oct 20255610 PMAQI
6th Oct 20255611 PMAQI
7th Oct 20255212 AMAQI
7th Oct 2025531 AMAQI
15°C14/16°C
7th Oct 2025507 PMAQI
7th Oct 2025468 PMAQI
7th Oct 2025549 PMAQI
7th Oct 20255910 PMAQI
7th Oct 20256111 PMAQI
8th Oct 20256312 AMAQI
8th Oct 2025621 AMAQI
8th Oct 2025622 AMAQI
8th Oct 2025663 AMAQI
8th Oct 2025684 AMAQI
8th Oct 2025655 AMAQI
18°C14/22°C
8th Oct 2025686 AMAQI
8th Oct 2025677 AMAQI
8th Oct 2025598 AMAQI
8th Oct 2025569 AMAQI
8th Oct 20255610 AMAQI
8th Oct 20255611 AMAQI
8th Oct 20255712 PMAQI
8th Oct 2025601 PMAQI
8th Oct 2025672 PMAQI
8th Oct 2025713 PMAQI
8th Oct 2025724 PMAQI
8th Oct 2025605 PMAQI
8th Oct 2025526 PMAQI
8th Oct 2025587 PMAQI
8th Oct 2025608 PMAQI
8th Oct 2025609 PMAQI
8th Oct 20256310 PMAQI
8th Oct 20256211 PMAQI
9th Oct 20256112 AMAQI
9th Oct 2025581 AMAQI
9th Oct 2025552 AMAQI
9th Oct 2025573 AMAQI
9th Oct 2025574 AMAQI
9th Oct 2025565 AMAQI
22°C19/28°C
9th Oct 2025576 AMAQI
9th Oct 2025557 AMAQI
9th Oct 2025568 AMAQI
9th Oct 2025569 AMAQI
9th Oct 20255610 AMAQI
9th Oct 20255611 AMAQI
9th Oct 20257212 PMAQI
9th Oct 2025711 PMAQI
9th Oct 2025672 PMAQI
9th Oct 2025673 PMAQI
9th Oct 2025594 PMAQI
9th Oct 2025615 PMAQI
9th Oct 2025616 PMAQI
9th Oct 2025647 PMAQI
9th Oct 2025608 PMAQI
9th Oct 2025609 PMAQI
9th Oct 20257210 PMAQI
9th Oct 20257811 PMAQI
10th Oct 20257712 AMAQI
10th Oct 2025781 AMAQI
10th Oct 2025712 AMAQI
10th Oct 2025643 AMAQI
10th Oct 2025604 AMAQI
10th Oct 2025575 AMAQI
23°C20/28°C
10th Oct 2025556 AMAQI
10th Oct 2025567 AMAQI
10th Oct 2025608 AMAQI
10th Oct 2025469 AMAQI
10th Oct 20254410 AMAQI
10th Oct 20254711 AMAQI
10th Oct 20254912 PMAQI
10th Oct 2025531 PMAQI
10th Oct 2025502 PMAQI
10th Oct 2025403 PMAQI
10th Oct 2025404 PMAQI
10th Oct 2025415 PMAQI
10th Oct 2025406 PMAQI
10th Oct 2025397 PMAQI
10th Oct 2025378 PMAQI
10th Oct 2025409 PMAQI
10th Oct 20253710 PMAQI
10th Oct 20254011 PMAQI
11th Oct 20253912 AMAQI
11th Oct 2025431 AMAQI
11th Oct 2025402 AMAQI
11th Oct 2025383 AMAQI
11th Oct 2025434 AMAQI
11th Oct 2025445 AMAQI
19°C17/21°C
11th Oct 2025406 AMAQI
6 AM11th Oct 2025417 AMAQI
11th Oct 2025418 AMAQI
11th Oct 2025379 AMAQI
11th Oct 20254310 AMAQI
11th Oct 20253811 AMAQI
11th Oct 20254012 PMAQI
12 PM11th Oct 2025341 PMAQI
11th Oct 2025332 PMAQI
11th Oct 2025433 PMAQI
11th Oct 2025244 PMAQI
11th Oct 2025135 PMAQI
11th Oct 2025126 PMAQI
6 PM11th Oct 2025127 PMAQI
11th Oct 2025298 PMAQI
11th Oct 2025479 PMAQI
11th Oct 20254910 PMAQI
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
43AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
5 PM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 43), while the lowest AQI was between 5 PM to 5 PM (Avg. 33).
Night time
Avg. Highest Time
12 AM - 1 AM
50AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM
38AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 50), while the lowest AQI was between 7 PM to 7 PM (Avg. 38).
2025 Days Vs Air Quality
Nanzheng Big Hekan Waterworks, Hanzhong, Shaanxi, China
2025
24%
67
47%
133
19%
55
7%
21
2%
6
0.3%
1
Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)
Good
67 DaysModerate
133 DaysPoor
55 DaysUnhealthy
21 DaysSevere
6 DaysHazardous
1 DaysUnder WHO’s Safe Air Quality Limits: 24%
Health Risk Level:
Very high
In 2025, 24% of 284 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
Nanzheng Big Hekan Waterworks, Hanzhong, Shaanxi, China
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
176AQI
176AQI
2nd January 2025
161AQI
161AQI
3rd January 2025
168AQI
168AQI
4th January 2025
184AQI
184AQI
5th January 2025
195AQI
195AQI
6th January 2025
214AQI
214AQI
7th January 2025
203AQI
203AQI
8th January 2025
177AQI
177AQI
9th January 2025
158AQI
158AQI
10th January 2025
153AQI
153AQI
11th January 2025
152AQI
152AQI
12th January 2025
145AQI
145AQI
13th January 2025
158AQI
158AQI
14th January 2025
140AQI
140AQI
15th January 2025
140AQI
140AQI
16th January 2025
139AQI
139AQI
17th January 2025
163AQI
163AQI
18th January 2025
159AQI
159AQI
19th January 2025
159AQI
159AQI
20th January 2025
162AQI
162AQI
21st January 2025
167AQI
167AQI
22nd January 2025
196AQI
196AQI
23rd January 2025
217AQI
217AQI
24th January 2025
156AQI
156AQI
25th January 2025
113AQI
113AQI
26th January 2025
109AQI
109AQI
27th January 2025
134AQI
134AQI
28th January 2025
136AQI
136AQI
29th January 2025
180AQI
180AQI
30th January 2025
203AQI
203AQI
31st January 2025
167AQI
167AQI
1st February 2025
145AQI
145AQI
2nd February 2025
126AQI
126AQI
3rd February 2025
102AQI
102AQI
4th February 2025
132AQI
132AQI
5th February 2025
122AQI
122AQI
6th February 2025
113AQI
113AQI
7th February 2025
96AQI
96AQI
8th February 2025
94AQI
94AQI
9th February 2025
121AQI
121AQI
10th February 2025
124AQI
124AQI
11th February 2025
128AQI
128AQI
12th February 2025
96AQI
96AQI
13th February 2025
115AQI
115AQI
14th February 2025
93AQI
93AQI
15th February 2025
113AQI
113AQI
16th February 2025
99AQI
99AQI
17th February 2025
113AQI
113AQI
18th February 2025
99AQI
99AQI
19th February 2025
121AQI
121AQI
20th February 2025
140AQI
140AQI
21st February 2025
154AQI
154AQI
22nd February 2025
146AQI
146AQI
23rd February 2025
116AQI
116AQI
24th February 2025
138AQI
138AQI
25th February 2025
113AQI
113AQI
26th February 2025
109AQI
109AQI
27th February 2025
107AQI
107AQI
28th February 2025
127AQI
127AQI
1st March 2025
147AQI
147AQI
2nd March 2025
106AQI
106AQI
3rd March 2025
88AQI
88AQI
4th March 2025
63AQI
63AQI
5th March 2025
72AQI
72AQI
6th March 2025
71AQI
71AQI
7th March 2025
79AQI
79AQI
8th March 2025
92AQI
92AQI
9th March 2025
98AQI
98AQI
10th March 2025
92AQI
92AQI
11th March 2025
98AQI
98AQI
12th March 2025
114AQI
114AQI
13th March 2025
87AQI
87AQI
14th March 2025
79AQI
79AQI
15th March 2025
86AQI
86AQI
16th March 2025
73AQI
73AQI
17th March 2025
83AQI
83AQI
18th March 2025
80AQI
80AQI
19th March 2025
87AQI
87AQI
20th March 2025
94AQI
94AQI
21st March 2025
91AQI
91AQI
22nd March 2025
99AQI
99AQI
23rd March 2025
92AQI
92AQI
24th March 2025
98AQI
98AQI
25th March 2025
90AQI
90AQI
26th March 2025
101AQI
101AQI
27th March 2025
161AQI
161AQI
28th March 2025
96AQI
96AQI
29th March 2025
105AQI
105AQI
30th March 2025
83AQI
83AQI
31st March 2025
78AQI
78AQI
1st April 2025
91AQI
91AQI
2nd April 2025
106AQI
106AQI
3rd April 2025
100AQI
100AQI
4th April 2025
104AQI
104AQI
5th April 2025
105AQI
105AQI
6th April 2025
94AQI
94AQI
7th April 2025
93AQI
93AQI
8th April 2025
88AQI
88AQI
9th April 2025
93AQI
93AQI
10th April 2025
94AQI
94AQI
11th April 2025
98AQI
98AQI
12th April 2025
790AQI
790AQI
13th April 2025
234AQI
234AQI
14th April 2025
217AQI
217AQI
15th April 2025
115AQI
115AQI
16th April 2025
114AQI
114AQI
17th April 2025
110AQI
110AQI
18th April 2025
128AQI
128AQI
19th April 2025
136AQI
136AQI
20th April 2025
104AQI
104AQI
21st April 2025
111AQI
111AQI
22nd April 2025
111AQI
111AQI
23rd April 2025
124AQI
124AQI
24th April 2025
102AQI
102AQI
25th April 2025
93AQI
93AQI
26th April 2025
83AQI
83AQI
27th April 2025
75AQI
75AQI
28th April 2025
72AQI
72AQI
29th April 2025
77AQI
77AQI
30th April 2025
68AQI
68AQI
1st May 2025
80AQI
80AQI
2nd May 2025
80AQI
80AQI
3rd May 2025
101AQI
101AQI
4th May 2025
86AQI
86AQI
5th May 2025
80AQI
80AQI
6th May 2025
100AQI
100AQI
7th May 2025
76AQI
76AQI
8th May 2025
81AQI
81AQI
9th May 2025
110AQI
110AQI
10th May 2025
79AQI
79AQI
11th May 2025
88AQI
88AQI
12th May 2025
87AQI
87AQI
13th May 2025
76AQI
76AQI
14th May 2025
83AQI
83AQI
15th May 2025
87AQI
87AQI
16th May 2025
100AQI
100AQI
17th May 2025
117AQI
117AQI
18th May 2025
101AQI
101AQI
19th May 2025
125AQI
125AQI
20th May 2025
122AQI
122AQI
21st May 2025
133AQI
133AQI
22nd May 2025
101AQI
101AQI
23rd May 2025
99AQI
99AQI
24th May 2025
87AQI
87AQI
25th May 2025
93AQI
93AQI
26th May 2025
85AQI
85AQI
27th May 2025
70AQI
70AQI
28th May 2025
69AQI
69AQI
29th May 2025
64AQI
64AQI
30th May 2025
71AQI
71AQI
31st May 2025
53AQI
53AQI
1st June 2025
48AQI
48AQI
2nd June 2025
56AQI
56AQI
3rd June 2025
67AQI
67AQI
4th June 2025
70AQI
70AQI
5th June 2025
64AQI
64AQI
6th June 2025
75AQI
75AQI
7th June 2025
61AQI
61AQI
8th June 2025
59AQI
59AQI
9th June 2025
59AQI
59AQI
10th June 2025
59AQI
59AQI
11th June 2025
62AQI
62AQI
12th June 2025
68AQI
68AQI
13th June 2025
75AQI
75AQI
14th June 2025
68AQI
68AQI
15th June 2025
73AQI
73AQI
16th June 2025
75AQI
75AQI
17th June 2025
71AQI
71AQI
18th June 2025
65AQI
65AQI
19th June 2025
65AQI
65AQI
20th June 2025
69AQI
69AQI
21st June 2025
62AQI
62AQI
22nd June 2025
61AQI
61AQI
23rd June 2025
58AQI
58AQI
24th June 2025
58AQI
58AQI
25th June 2025
56AQI
56AQI
26th June 2025
53AQI
53AQI
27th June 2025
55AQI
55AQI
28th June 2025
56AQI
56AQI
29th June 2025
56AQI
56AQI
30th June 2025
50AQI
50AQI
1st July 2025
47AQI
47AQI
2nd July 2025
43AQI
43AQI
3rd July 2025
47AQI
47AQI
4th July 2025
50AQI
50AQI
5th July 2025
45AQI
45AQI
6th July 2025
48AQI
48AQI
7th July 2025
45AQI
45AQI
8th July 2025
45AQI
45AQI
9th July 2025
48AQI
48AQI
10th July 2025
50AQI
50AQI
11th July 2025
52AQI
52AQI
12th July 2025
59AQI
59AQI
13th July 2025
61AQI
61AQI
14th July 2025
62AQI
62AQI
15th July 2025
63AQI
63AQI
16th July 2025
65AQI
65AQI
17th July 2025
63AQI
63AQI
18th July 2025
55AQI
55AQI
19th July 2025
58AQI
58AQI
20th July 2025
54AQI
54AQI
21st July 2025
53AQI
53AQI
22nd July 2025
56AQI
56AQI
23rd July 2025
48AQI
48AQI
24th July 2025
44AQI
44AQI
25th July 2025
42AQI
42AQI
26th July 2025
46AQI
46AQI
27th July 2025
46AQI
46AQI
28th July 2025
50AQI
50AQI
29th July 2025
53AQI
53AQI
30th July 2025
53AQI
53AQI
31st July 2025
55AQI
55AQI
1st August 2025
60AQI
60AQI
2nd August 2025
58AQI
58AQI
3rd August 2025
61AQI
61AQI
4th August 2025
62AQI
62AQI
5th August 2025
59AQI
59AQI
6th August 2025
57AQI
57AQI
7th August 2025
57AQI
57AQI
8th August 2025
54AQI
54AQI
9th August 2025
51AQI
51AQI
10th August 2025
48AQI
48AQI
11th August 2025
45AQI
45AQI
12th August 2025
45AQI
45AQI
13th August 2025
49AQI
49AQI
14th August 2025
54AQI
54AQI
15th August 2025
52AQI
52AQI
16th August 2025
41AQI
41AQI
17th August 2025
43AQI
43AQI
18th August 2025
43AQI
43AQI
19th August 2025
50AQI
50AQI
20th August 2025
51AQI
51AQI
21st August 2025
48AQI
48AQI
22nd August 2025
47AQI
47AQI
23rd August 2025
43AQI
43AQI
24th August 2025
43AQI
43AQI
25th August 2025
43AQI
43AQI
26th August 2025
48AQI
48AQI
27th August 2025
47AQI
47AQI
28th August 2025
40AQI
40AQI
29th August 2025
39AQI
39AQI
30th August 2025
40AQI
40AQI
31st August 2025
41AQI
41AQI
1st September 2025
49AQI
49AQI
2nd September 2025
49AQI
49AQI
3rd September 2025
56AQI
56AQI
4th September 2025
38AQI
38AQI
5th September 2025
43AQI
43AQI
6th September 2025
53AQI
53AQI
7th September 2025
54AQI
54AQI
8th September 2025
47AQI
47AQI
9th September 2025
50AQI
50AQI
10th September 2025
52AQI
52AQI
11th September 2025
47AQI
47AQI
12th September 2025
45AQI
45AQI
13th September 2025
44AQI
44AQI
14th September 2025
48AQI
48AQI
15th September 2025
54AQI
54AQI
16th September 2025
46AQI
46AQI
17th September 2025
46AQI
46AQI
18th September 2025
39AQI
39AQI
19th September 2025
39AQI
39AQI
20th September 2025
39AQI
39AQI
21st September 2025
39AQI
39AQI
22nd September 2025
37AQI
37AQI
23rd September 2025
35AQI
35AQI
24th September 2025
35AQI
35AQI
25th September 2025
45AQI
45AQI
26th September 2025
61AQI
61AQI
27th September 2025
40AQI
40AQI
28th September 2025
48AQI
48AQI
29th September 2025
37AQI
37AQI
30th September 2025
32AQI
32AQI
1st October 2025
30AQI
30AQI
2nd October 2025
37AQI
37AQI
3rd October 2025
28AQI
28AQI
4th October 2025
34AQI
34AQI
5th October 2025
40AQI
40AQI
6th October 2025
46AQI
46AQI
7th October 2025
54AQI
54AQI
8th October 2025
62AQI
62AQI
9th October 2025
62AQI
62AQI
10th October 2025
58AQI
58AQI
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
164AQI
118AQI
93AQI
131AQI
90AQI
62AQI
52AQI
49AQI
45AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202588AQI
8
19
4
6
21
1
25
5
1
14
13
2
1
23
8
2
28
16
15
19
12
24
6
6
4
67
133
55
21
6
1
Highest AQI recorded in
January164AQI
Lowest AQI recorded in
September45AQI
202490AQI
5
9
16
1
1
5
17
4
2
18
12
1
2
23
5
2
23
6
2
27
1
15
14
2
7
24
4
22
4
4
27
3
24
3
1
17
13
40
213
76
34
3
Highest AQI recorded in
January148AQI
Lowest AQI recorded in
July53AQI
202395AQI
3
7
10
9
2
7
9
10
2
1
17
12
1
6
8
14
1
1
6
20
5
6
21
3
7
24
13
17
1
14
16
10
16
5
1
7
14
4
2
5
6
16
2
66
161
76
42
14
2
Highest AQI recorded in
January179AQI
Lowest AQI recorded in
August55AQI
202294AQI
3
7
10
3
2
11
14
3
1
3
21
6
4
23
4
5
25
8
14
1
5
19
4
8
14
8
1
2
9
18
1
2
8
17
4
37
146
72
28
5
Highest AQI recorded in
January167AQI
Lowest AQI recorded in
July57AQI
202196AQI
2
3
18
8
1
3
13
9
2
16
15
6
22
2
3
17
10
1
4
21
5
10
20
1
11
19
1
14
16
13
16
2
1
8
13
8
1
11
19
63
161
76
55
10
Highest AQI recorded in
January177AQI
Lowest AQI recorded in
October57AQI
202092AQI
3
3
4
2
1
1
12
8
7
11
3
24
3
11
19
1
10
19
2
3
23
4
11
13
5
2
7
20
3
1
13
13
4
42
128
71
20
5
Highest AQI recorded in
December157AQI
Lowest AQI recorded in
August62AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
96AQILeast Polluted Year Recorded
2025(Avg.)
88AQINanzheng Big Hekan Waterworks's annual 2025 AQI (88) shows an average percentage change of -6.2% (improved AQI) compared to previous years: 2020 (92), 2021 (96), 2022 (94), 2023 (95), 2024 (90).
