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+
August 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
17th Aug 2023
106AQILowest AQI recorded on
8th Aug 2023
29AQISame Day Analysis (21st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 49 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
Nanzheng Big Hekan Waterworks, Hanzhong, Shaanxi, China
AQI
Day
Night
.
6 AM21st Aug 2025
7 PM
5 AM22nd Aug 2025
Day time
Avg. Highest Time
6AM21st Aug
52AQI
Avg. Lowest Time
4PM21st Aug
34AQI
Night time
Avg. Highest Time
10PM21st Aug
52AQI
Avg. Lowest Time
9PM21st Aug
47AQI
In the last 24 hours,
Nanzheng Big Hekan Waterworks's AQI reached its highest point of 52 at 6 AM during the Day, while the lowest point, 34, was recorded at 4 PM during the Day between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nanzheng Big Hekan Waterworks, Hanzhong, Shaanxi, China
JulAug
23rd - 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 - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
23rd Jul 2025576 AMAQI
23rd Jul 2025577 AMAQI
23rd Jul 2025438 AMAQI
23rd Jul 2025399 AMAQI
23rd Jul 20253410 AMAQI
23rd Jul 20253111 AMAQI
23rd Jul 20254012 PMAQI
23rd Jul 2025391 PMAQI
23rd Jul 2025382 PMAQI
23rd Jul 2025383 PMAQI
23rd Jul 2025364 PMAQI
23rd Jul 2025375 PMAQI
23rd Jul 2025356 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025528 PMAQI
23rd Jul 2025529 PMAQI
23rd Jul 20255210 PMAQI
23rd Jul 20255211 PMAQI
24th Jul 20255212 AMAQI
24th Jul 2025541 AMAQI
24th Jul 2025552 AMAQI
24th Jul 2025553 AMAQI
24th Jul 2025544 AMAQI
24th Jul 2025545 AMAQI
28°C21/36°C
24th Jul 2025536 AMAQI
24th Jul 2025547 AMAQI
24th Jul 2025318 AMAQI
24th Jul 2025209 AMAQI
24th Jul 20252010 AMAQI
24th Jul 20252211 AMAQI
24th Jul 20253212 PMAQI
24th Jul 2025311 PMAQI
24th Jul 2025322 PMAQI
24th Jul 2025323 PMAQI
24th Jul 2025324 PMAQI
24th Jul 2025315 PMAQI
24th Jul 2025296 PMAQI
24th Jul 2025377 PMAQI
24th Jul 2025508 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20255110 PMAQI
24th Jul 20255011 PMAQI
25th Jul 20255012 AMAQI
25th Jul 2025531 AMAQI
25th Jul 2025532 AMAQI
25th Jul 2025533 AMAQI
25th Jul 2025524 AMAQI
25th Jul 2025525 AMAQI
27°C23/34°C
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025278 AMAQI
25th Jul 2025219 AMAQI
25th Jul 20252210 AMAQI
25th Jul 20252411 AMAQI
25th Jul 20252912 PMAQI
25th Jul 2025301 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025313 PMAQI
25th Jul 2025314 PMAQI
25th Jul 2025315 PMAQI
25th Jul 2025326 PMAQI
25th Jul 2025367 PMAQI
25th Jul 2025478 PMAQI
25th Jul 2025469 PMAQI
25th Jul 20254710 PMAQI
25th Jul 20254611 PMAQI
26th Jul 20254812 AMAQI
26th Jul 2025511 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025503 AMAQI
26th Jul 2025484 AMAQI
26th Jul 2025475 AMAQI
28°C22/35°C
26th Jul 2025486 AMAQI
26th Jul 2025477 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025419 AMAQI
26th Jul 20254410 AMAQI
26th Jul 20254411 AMAQI
26th Jul 20254312 PMAQI
26th Jul 2025401 PMAQI
26th Jul 2025402 PMAQI
26th Jul 2025393 PMAQI
26th Jul 2025394 PMAQI
26th Jul 2025435 PMAQI
26th Jul 2025476 PMAQI
26th Jul 2025427 PMAQI
26th Jul 2025478 PMAQI
26th Jul 2025489 PMAQI
26th Jul 20254810 PMAQI
26th Jul 20254811 PMAQI
27th Jul 20254812 AMAQI
27th Jul 2025491 AMAQI
27th Jul 2025502 AMAQI
27th Jul 2025493 AMAQI
27th Jul 2025484 AMAQI
27th Jul 2025485 AMAQI
28°C22/36°C
27th Jul 2025486 AMAQI
27th Jul 2025487 AMAQI
27th Jul 2025448 AMAQI
27th Jul 2025459 AMAQI
27th Jul 20254810 AMAQI
27th Jul 20254611 AMAQI
27th Jul 20254412 PMAQI
27th Jul 2025421 PMAQI
27th Jul 2025432 PMAQI
27th Jul 2025393 PMAQI
27th Jul 2025384 PMAQI
27th Jul 2025385 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025437 PMAQI
27th Jul 2025448 PMAQI
27th Jul 2025499 PMAQI
27th Jul 20255010 PMAQI
27th Jul 20255111 PMAQI
28th Jul 20255212 AMAQI
28th Jul 2025491 AMAQI
28th Jul 2025482 AMAQI
28th Jul 2025473 AMAQI
28th Jul 2025464 AMAQI
28th Jul 2025485 AMAQI
29°C22/38°C
28th Jul 2025476 AMAQI
28th Jul 2025477 AMAQI
28th Jul 2025518 AMAQI
28th Jul 2025519 AMAQI
28th Jul 20255410 AMAQI
28th Jul 20255111 AMAQI
28th Jul 20255012 PMAQI
28th Jul 2025501 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025523 PMAQI
28th Jul 2025504 PMAQI
28th Jul 2025485 PMAQI
28th Jul 2025476 PMAQI
28th Jul 2025507 PMAQI
28th Jul 2025508 PMAQI
28th Jul 2025529 PMAQI
28th Jul 20255210 PMAQI
28th Jul 20255311 PMAQI
29th Jul 20255312 AMAQI
29th Jul 2025511 AMAQI
29th Jul 2025502 AMAQI
29th Jul 2025503 AMAQI
29th Jul 2025514 AMAQI
29th Jul 2025515 AMAQI
30°C23/38°C
29th Jul 2025526 AMAQI
29th Jul 2025517 AMAQI
29th Jul 2025548 AMAQI
29th Jul 2025589 AMAQI
29th Jul 20256010 AMAQI
29th Jul 20255911 AMAQI
29th Jul 20255312 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025542 PMAQI
29th Jul 2025543 PMAQI
29th Jul 2025534 PMAQI
29th Jul 2025535 PMAQI
29th Jul 2025546 PMAQI
29th Jul 2025537 PMAQI
29th Jul 2025538 PMAQI
29th Jul 2025549 PMAQI
29th Jul 20255410 PMAQI
29th Jul 20255411 PMAQI
30th Jul 20255212 AMAQI
30th Jul 2025521 AMAQI
30th Jul 2025522 AMAQI
30th Jul 2025523 AMAQI
30th Jul 2025524 AMAQI
30th Jul 2025525 AMAQI
31°C23/39°C
30th Jul 2025536 AMAQI
30th Jul 2025527 AMAQI
30th Jul 2025538 AMAQI
30th Jul 2025579 AMAQI
30th Jul 20255710 AMAQI
30th Jul 20255411 AMAQI
30th Jul 20255112 PMAQI
30th Jul 2025521 PMAQI
30th Jul 2025522 PMAQI
30th Jul 2025523 PMAQI
30th Jul 2025534 PMAQI
30th Jul 2025525 PMAQI
30th Jul 2025526 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025538 PMAQI
30th Jul 2025539 PMAQI
30th Jul 20255310 PMAQI
30th Jul 20255411 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025521 AMAQI
31st Jul 2025522 AMAQI
31st Jul 2025523 AMAQI
31st Jul 2025524 AMAQI
31st Jul 2025525 AMAQI
30°C22/40°C
31st Jul 2025526 AMAQI
31st Jul 2025527 AMAQI
31st Jul 2025528 AMAQI
31st Jul 2025529 AMAQI
31st Jul 20255610 AMAQI
31st Jul 20255811 AMAQI
31st Jul 20255512 PMAQI
31st Jul 2025551 PMAQI
31st Jul 2025532 PMAQI
31st Jul 2025543 PMAQI
31st Jul 2025534 PMAQI
31st Jul 2025545 PMAQI
31st Jul 2025556 PMAQI
31st Jul 2025577 PMAQI
31st Jul 2025588 PMAQI
31st Jul 2025599 PMAQI
31st Jul 20256310 PMAQI
31st Jul 20256411 PMAQI
1st Aug 20256212 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025554 AMAQI
1st Aug 2025565 AMAQI
30°C22/38°C
1st Aug 2025566 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025648 AMAQI
1st Aug 2025619 AMAQI
1st Aug 20256410 AMAQI
1st Aug 20256611 AMAQI
1st Aug 20258012 PMAQI
1st Aug 2025581 PMAQI
1st Aug 2025592 PMAQI
1st Aug 2025573 PMAQI
1st Aug 2025604 PMAQI
1st Aug 2025565 PMAQI
1st Aug 2025596 PMAQI
1st Aug 2025577 PMAQI
1st Aug 2025578 PMAQI
1st Aug 2025609 PMAQI
1st Aug 20256010 PMAQI
1st Aug 20256311 PMAQI
2nd Aug 20256112 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025573 AMAQI
2nd Aug 2025594 AMAQI
2nd Aug 2025585 AMAQI
29°C21/39°C
2nd Aug 2025586 AMAQI
2nd Aug 2025597 AMAQI
2nd Aug 2025618 AMAQI
2nd Aug 2025589 AMAQI
2nd Aug 20255510 AMAQI
2nd Aug 20255611 AMAQI
2nd Aug 20255012 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025512 PMAQI
2nd Aug 2025593 PMAQI
2nd Aug 2025584 PMAQI
2nd Aug 2025565 PMAQI
2nd Aug 2025576 PMAQI
2nd Aug 2025607 PMAQI
2nd Aug 2025608 PMAQI
2nd Aug 2025629 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20256311 PMAQI
3rd Aug 20256212 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025583 AMAQI
3rd Aug 2025584 AMAQI
3rd Aug 2025585 AMAQI
30°C22/40°C
3rd Aug 2025576 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025628 AMAQI
3rd Aug 2025649 AMAQI
3rd Aug 20256210 AMAQI
3rd Aug 20255611 AMAQI
3rd Aug 20255812 PMAQI
3rd Aug 2025581 PMAQI
3rd Aug 2025592 PMAQI
3rd Aug 2025623 PMAQI
3rd Aug 2025644 PMAQI
3rd Aug 2025595 PMAQI
3rd Aug 2025606 PMAQI
3rd Aug 2025617 PMAQI
3rd Aug 2025618 PMAQI
3rd Aug 2025639 PMAQI
3rd Aug 20256510 PMAQI
3rd Aug 20256411 PMAQI
4th Aug 20256212 AMAQI
4th Aug 2025581 AMAQI
4th Aug 2025592 AMAQI
4th Aug 2025583 AMAQI
4th Aug 2025594 AMAQI
4th Aug 2025585 AMAQI
31°C23/41°C
4th Aug 2025596 AMAQI
4th Aug 2025597 AMAQI
4th Aug 2025678 AMAQI
4th Aug 2025669 AMAQI
4th Aug 20256110 AMAQI
4th Aug 20255611 AMAQI
4th Aug 20256112 PMAQI
4th Aug 2025621 PMAQI
4th Aug 2025642 PMAQI
4th Aug 2025593 PMAQI
4th Aug 2025564 PMAQI
4th Aug 2025615 PMAQI
4th Aug 2025656 PMAQI
4th Aug 2025617 PMAQI
4th Aug 2025628 PMAQI
4th Aug 2025639 PMAQI
4th Aug 20256310 PMAQI
4th Aug 20256111 PMAQI
5th Aug 20256312 AMAQI
5th Aug 2025601 AMAQI
5th Aug 2025602 AMAQI
5th Aug 2025603 AMAQI
5th Aug 2025604 AMAQI
5th Aug 2025605 AMAQI
32°C24/39°C
5th Aug 2025606 AMAQI
5th Aug 2025617 AMAQI
5th Aug 2025588 AMAQI
5th Aug 2025619 AMAQI
5th Aug 20255010 AMAQI
5th Aug 20255411 AMAQI
5th Aug 20255112 PMAQI
5th Aug 2025481 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025543 PMAQI
5th Aug 2025604 PMAQI
5th Aug 2025575 PMAQI
5th Aug 2025606 PMAQI
5th Aug 2025587 PMAQI
5th Aug 2025608 PMAQI
5th Aug 2025629 PMAQI
5th Aug 20256010 PMAQI
5th Aug 20256311 PMAQI
6th Aug 20256212 AMAQI
6th Aug 2025611 AMAQI
6th Aug 2025612 AMAQI
6th Aug 2025603 AMAQI
6th Aug 2025594 AMAQI
6th Aug 2025605 AMAQI
30°C24/39°C
6th Aug 2025616 AMAQI
6th Aug 2025607 AMAQI
6th Aug 2025538 AMAQI
6th Aug 2025479 AMAQI
6th Aug 20255410 AMAQI
6th Aug 20255211 AMAQI
6th Aug 20254812 PMAQI
6th Aug 2025501 PMAQI
6th Aug 2025472 PMAQI
6th Aug 2025463 PMAQI
6th Aug 2025434 PMAQI
6th Aug 2025515 PMAQI
6th Aug 2025526 PMAQI
6th Aug 2025547 PMAQI
6th Aug 2025598 PMAQI
6th Aug 2025579 PMAQI
6th Aug 20255710 PMAQI
6th Aug 20256011 PMAQI
7th Aug 20256012 AMAQI
7th Aug 2025601 AMAQI
7th Aug 2025622 AMAQI
7th Aug 2025593 AMAQI
7th Aug 2025594 AMAQI
7th Aug 2025595 AMAQI
30°C23/38°C
7th Aug 2025596 AMAQI
7th Aug 2025597 AMAQI
7th Aug 2025428 AMAQI
7th Aug 2025509 AMAQI
7th Aug 20255210 AMAQI
7th Aug 20254711 AMAQI
7th Aug 20254612 PMAQI
7th Aug 2025561 PMAQI
7th Aug 2025582 PMAQI
7th Aug 2025563 PMAQI
7th Aug 2025584 PMAQI
7th Aug 2025555 PMAQI
7th Aug 2025526 PMAQI
7th Aug 2025537 PMAQI
7th Aug 2025558 PMAQI
7th Aug 2025579 PMAQI
7th Aug 20255610 PMAQI
7th Aug 20255811 PMAQI
8th Aug 20255912 AMAQI
8th Aug 2025621 AMAQI
8th Aug 2025612 AMAQI
8th Aug 2025603 AMAQI
8th Aug 2025594 AMAQI
8th Aug 2025595 AMAQI
28°C22/37°C
8th Aug 2025586 AMAQI
8th Aug 2025597 AMAQI
8th Aug 2025488 AMAQI
8th Aug 2025429 AMAQI
8th Aug 20254310 AMAQI
8th Aug 20254011 AMAQI
8th Aug 20254812 PMAQI
8th Aug 2025451 PMAQI
8th Aug 2025482 PMAQI
8th Aug 2025483 PMAQI
8th Aug 2025484 PMAQI
8th Aug 2025515 PMAQI
8th Aug 2025526 PMAQI
8th Aug 2025537 PMAQI
8th Aug 2025568 PMAQI
8th Aug 2025569 PMAQI
8th Aug 20255610 PMAQI
8th Aug 20255511 PMAQI
9th Aug 20255612 AMAQI
9th Aug 2025581 AMAQI
9th Aug 2025582 AMAQI
9th Aug 2025583 AMAQI
9th Aug 2025564 AMAQI
9th Aug 2025565 AMAQI
28°C22/37°C
9th Aug 2025566 AMAQI
9th Aug 2025567 AMAQI
9th Aug 2025358 AMAQI
9th Aug 2025269 AMAQI
9th Aug 20253110 AMAQI
9th Aug 20253311 AMAQI
9th Aug 20254612 PMAQI
9th Aug 2025441 PMAQI
9th Aug 2025412 PMAQI
9th Aug 2025433 PMAQI
9th Aug 2025474 PMAQI
9th Aug 2025505 PMAQI
9th Aug 2025506 PMAQI
9th Aug 2025537 PMAQI
9th Aug 2025558 PMAQI
9th Aug 2025569 PMAQI
9th Aug 20255510 PMAQI
9th Aug 20255411 PMAQI
10th Aug 20255412 AMAQI
10th Aug 2025571 AMAQI
10th Aug 2025562 AMAQI
10th Aug 2025563 AMAQI
10th Aug 2025554 AMAQI
10th Aug 2025555 AMAQI
25°C22/30°C
10th Aug 2025546 AMAQI
10th Aug 2025547 AMAQI
10th Aug 2025448 AMAQI
10th Aug 2025349 AMAQI
10th Aug 20253510 AMAQI
10th Aug 20253511 AMAQI
10th Aug 20254112 PMAQI
10th Aug 2025391 PMAQI
10th Aug 2025402 PMAQI
10th Aug 2025383 PMAQI
10th Aug 2025354 PMAQI
10th Aug 2025345 PMAQI
10th Aug 2025336 PMAQI
10th Aug 2025407 PMAQI
10th Aug 2025528 PMAQI
10th Aug 2025529 PMAQI
10th Aug 20255210 PMAQI
10th Aug 20255211 PMAQI
11th Aug 20255212 AMAQI
11th Aug 2025551 AMAQI
11th Aug 2025552 AMAQI
11th Aug 2025543 AMAQI
11th Aug 2025544 AMAQI
11th Aug 2025545 AMAQI
22°C20/23°C
11th Aug 2025536 AMAQI
11th Aug 2025547 AMAQI
11th Aug 2025358 AMAQI
11th Aug 2025309 AMAQI
11th Aug 20252910 AMAQI
11th Aug 20252611 AMAQI
11th Aug 20253512 PMAQI
11th Aug 2025361 PMAQI
11th Aug 2025322 PMAQI
11th Aug 2025343 PMAQI
11th Aug 2025324 PMAQI
11th Aug 2025375 PMAQI
11th Aug 2025326 PMAQI
11th Aug 2025417 PMAQI
11th Aug 2025478 PMAQI
11th Aug 2025499 PMAQI
11th Aug 20254910 PMAQI
11th Aug 20255011 PMAQI
12th Aug 20254812 AMAQI
12th Aug 2025521 AMAQI
12th Aug 2025522 AMAQI
12th Aug 2025513 AMAQI
12th Aug 2025484 AMAQI
12th Aug 2025495 AMAQI
25°C20/33°C
12th Aug 2025466 AMAQI
12th Aug 2025487 AMAQI
12th Aug 2025328 AMAQI
12th Aug 2025369 AMAQI
12th Aug 20253610 AMAQI
12th Aug 20253211 AMAQI
12th Aug 20253212 PMAQI
12th Aug 2025391 PMAQI
12th Aug 2025372 PMAQI
12th Aug 2025373 PMAQI
12th Aug 2025344 PMAQI
12th Aug 2025445 PMAQI
12th Aug 2025426 PMAQI
12th Aug 2025477 PMAQI
12th Aug 2025528 PMAQI
12th Aug 2025549 PMAQI
12th Aug 20255210 PMAQI
12th Aug 20255311 PMAQI
13th Aug 20255312 AMAQI
13th Aug 2025501 AMAQI
13th Aug 2025522 AMAQI
13th Aug 2025503 AMAQI
13th Aug 2025464 AMAQI
13th Aug 2025465 AMAQI
27°C21/34°C
13th Aug 2025476 AMAQI
13th Aug 2025477 AMAQI
13th Aug 2025398 AMAQI
13th Aug 2025429 AMAQI
13th Aug 20253210 AMAQI
13th Aug 20253611 AMAQI
13th Aug 20253712 PMAQI
13th Aug 2025421 PMAQI
13th Aug 2025502 PMAQI
13th Aug 2025453 PMAQI
13th Aug 2025454 PMAQI
13th Aug 2025425 PMAQI
13th Aug 2025476 PMAQI
13th Aug 2025497 PMAQI
13th Aug 2025538 PMAQI
13th Aug 2025559 PMAQI
13th Aug 20255610 PMAQI
13th Aug 20255811 PMAQI
14th Aug 20255712 AMAQI
14th Aug 2025541 AMAQI
14th Aug 2025522 AMAQI
14th Aug 2025493 AMAQI
14th Aug 2025484 AMAQI
14th Aug 2025485 AMAQI
26°C20/34°C
14th Aug 2025466 AMAQI
14th Aug 2025467 AMAQI
14th Aug 2025518 AMAQI
14th Aug 2025489 AMAQI
14th Aug 20255010 AMAQI
14th Aug 20254811 AMAQI
14th Aug 20255212 PMAQI
14th Aug 2025481 PMAQI
14th Aug 2025542 PMAQI
14th Aug 2025433 PMAQI
14th Aug 2025534 PMAQI
14th Aug 2025575 PMAQI
14th Aug 2025556 PMAQI
14th Aug 2025547 PMAQI
14th Aug 2025558 PMAQI
14th Aug 2025589 PMAQI
14th Aug 20256310 PMAQI
14th Aug 20256211 PMAQI
15th Aug 20256212 AMAQI
15th Aug 2025511 AMAQI
15th Aug 2025492 AMAQI
15th Aug 2025513 AMAQI
15th Aug 2025514 AMAQI
15th Aug 2025525 AMAQI
28°C20/36°C
15th Aug 2025516 AMAQI
15th Aug 2025517 AMAQI
15th Aug 2025568 AMAQI
15th Aug 2025539 AMAQI
15th Aug 20255610 AMAQI
15th Aug 20255111 AMAQI
15th Aug 20255312 PMAQI
15th Aug 2025521 PMAQI
15th Aug 2025412 PMAQI
15th Aug 2025443 PMAQI
15th Aug 2025454 PMAQI
15th Aug 2025415 PMAQI
15th Aug 2025496 PMAQI
15th Aug 2025517 PMAQI
15th Aug 2025528 PMAQI
15th Aug 2025489 PMAQI
15th Aug 20254910 PMAQI
15th Aug 20254211 PMAQI
16th Aug 20254612 AMAQI
16th Aug 2025521 AMAQI
16th Aug 2025522 AMAQI
16th Aug 2025523 AMAQI
16th Aug 2025524 AMAQI
16th Aug 2025525 AMAQI
27°C21/34°C
16th Aug 2025526 AMAQI
16th Aug 2025527 AMAQI
16th Aug 2025248 AMAQI
16th Aug 2025289 AMAQI
16th Aug 20253010 AMAQI
16th Aug 20253011 AMAQI
16th Aug 20252612 PMAQI
16th Aug 2025301 PMAQI
16th Aug 2025292 PMAQI
16th Aug 2025323 PMAQI
16th Aug 2025344 PMAQI
16th Aug 2025325 PMAQI
16th Aug 2025286 PMAQI
16th Aug 2025387 PMAQI
16th Aug 2025418 PMAQI
16th Aug 2025439 PMAQI
16th Aug 20254510 PMAQI
16th Aug 20254211 PMAQI
17th Aug 20255212 AMAQI
17th Aug 2025521 AMAQI
17th Aug 2025522 AMAQI
17th Aug 2025503 AMAQI
17th Aug 2025494 AMAQI
17th Aug 2025465 AMAQI
26°C22/33°C
17th Aug 2025486 AMAQI
17th Aug 2025467 AMAQI
17th Aug 2025418 AMAQI
17th Aug 2025309 AMAQI
17th Aug 20252610 AMAQI
17th Aug 20252811 AMAQI
17th Aug 20253012 PMAQI
17th Aug 2025311 PMAQI
17th Aug 2025312 PMAQI
17th Aug 2025293 PMAQI
17th Aug 2025324 PMAQI
17th Aug 2025305 PMAQI
17th Aug 2025306 PMAQI
17th Aug 2025437 PMAQI
17th Aug 2025468 PMAQI
17th Aug 2025499 PMAQI
17th Aug 20255310 PMAQI
17th Aug 20255111 PMAQI
18th Aug 20255012 AMAQI
18th Aug 2025501 AMAQI
18th Aug 2025512 AMAQI
18th Aug 2025483 AMAQI
18th Aug 2025444 AMAQI
18th Aug 2025465 AMAQI
26°C20/34°C
18th Aug 2025456 AMAQI
18th Aug 2025487 AMAQI
18th Aug 2025328 AMAQI
18th Aug 2025329 AMAQI
18th Aug 20253210 AMAQI
18th Aug 20253211 AMAQI
18th Aug 20252912 PMAQI
18th Aug 2025381 PMAQI
18th Aug 2025352 PMAQI
18th Aug 2025303 PMAQI
18th Aug 2025324 PMAQI
18th Aug 2025345 PMAQI
18th Aug 2025306 PMAQI
18th Aug 2025407 PMAQI
18th Aug 2025488 PMAQI
18th Aug 2025539 PMAQI
18th Aug 20255310 PMAQI
18th Aug 20255211 PMAQI
19th Aug 20255212 AMAQI
19th Aug 2025501 AMAQI
19th Aug 2025502 AMAQI
19th Aug 2025483 AMAQI
19th Aug 2025474 AMAQI
19th Aug 2025445 AMAQI
28°C21/37°C
19th Aug 2025466 AMAQI
19th Aug 2025467 AMAQI
19th Aug 2025468 AMAQI
19th Aug 2025519 AMAQI
19th Aug 20255010 AMAQI
19th Aug 20254611 AMAQI
19th Aug 20254812 PMAQI
19th Aug 2025441 PMAQI
19th Aug 2025452 PMAQI
19th Aug 2025453 PMAQI
19th Aug 2025464 PMAQI
19th Aug 2025485 PMAQI
19th Aug 2025516 PMAQI
19th Aug 2025527 PMAQI
19th Aug 2025538 PMAQI
19th Aug 2025539 PMAQI
19th Aug 20255410 PMAQI
19th Aug 20255711 PMAQI
20th Aug 20255512 AMAQI
20th Aug 2025511 AMAQI
20th Aug 2025502 AMAQI
20th Aug 2025503 AMAQI
20th Aug 2025494 AMAQI
20th Aug 2025495 AMAQI
28°C21/37°C
20th Aug 2025506 AMAQI
20th Aug 2025507 AMAQI
20th Aug 2025528 AMAQI
20th Aug 2025529 AMAQI
20th Aug 20255010 AMAQI
20th Aug 20255111 AMAQI
20th Aug 20253812 PMAQI
20th Aug 2025441 PMAQI
20th Aug 2025492 PMAQI
20th Aug 2025403 PMAQI
20th Aug 2025414 PMAQI
20th Aug 2025385 PMAQI
20th Aug 2025396 PMAQI
20th Aug 2025467 PMAQI
20th Aug 2025508 PMAQI
20th Aug 2025559 PMAQI
20th Aug 20256010 PMAQI
20th Aug 20256111 PMAQI
21st Aug 20255512 AMAQI
21st Aug 2025521 AMAQI
21st Aug 2025512 AMAQI
21st Aug 2025523 AMAQI
21st Aug 2025524 AMAQI
21st Aug 2025525 AMAQI
28°C21/36°C
21st Aug 2025526 AMAQI
21st Aug 2025517 AMAQI
21st Aug 2025488 AMAQI
21st Aug 2025489 AMAQI
21st Aug 20254810 AMAQI
21st Aug 20253611 AMAQI
21st Aug 20253612 PMAQI
21st Aug 2025451 PMAQI
21st Aug 2025522 PMAQI
21st Aug 2025343 PMAQI
21st Aug 2025344 PMAQI
21st Aug 2025375 PMAQI
21st Aug 2025386 PMAQI
21st Aug 2025427 PMAQI
21st Aug 2025478 PMAQI
21st Aug 2025479 PMAQI
21st Aug 20255210 PMAQI
21st Aug 20255211 PMAQI
22nd Aug 20255212 AMAQI
22nd Aug 2025521 AMAQI
22nd Aug 2025522 AMAQI
22nd Aug 2025523 AMAQI
22nd Aug 2025514 AMAQI
22nd Aug 2025525 AMAQI
26°C20/34°C
22nd Aug 2025516 AMAQI
6 AM22nd Aug 2025517 AMAQI
22nd Aug 2025408 AMAQI
22nd Aug 2025359 AMAQI
22nd Aug 20254010 AMAQI
22nd Aug 20253911 AMAQI
22nd Aug 20254012 PMAQI
12 PM22nd Aug 2025361 PMAQI
22nd Aug 2025322 PMAQI
22nd Aug 2025403 PMAQI
22nd Aug 2025334 PMAQI
22nd Aug 2025325 PMAQI
22nd Aug 2025406 PMAQI
22nd Aug 2025417 PMAQI
7 PM22nd Aug 2025508 PMAQI
22nd Aug 2025549 PMAQI
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
53AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
11 AM
43AQI
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. 53), while the lowest AQI was between 11 AM to 11 AM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 11 PM
54AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 8 PM
53AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 54), while the lowest AQI was between 12 AM to 8 PM (Avg. 53).
2025 Days Vs Air Quality
Nanzheng Big Hekan Waterworks, Hanzhong, Shaanxi, China
2025
12%
27
53%
123
24%
55
9%
21
3%
6
0.4%
1
Total number of days with different AQI categories in last 234 days in 2025 (131 days remaining)
Good
27 DaysModerate
123 DaysPoor
55 DaysUnhealthy
21 DaysSevere
6 DaysHazardous
1 DaysUnder WHO’s Safe Air Quality Limits: 12%
Health Risk Level:
Extreme
In 2025, 12% of 234 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
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
49AQI
49AQI
22nd August 2025
23rd August 2025
24th August 2025
25th August 2025
26th August 2025
27th August 2025
28th August 2025
29th August 2025
30th August 2025
31st August 2025
1st September 2025
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
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
52AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202597AQI
8
19
4
6
21
1
25
5
1
14
13
2
1
23
8
2
28
16
15
9
12
27
123
55
21
6
1
Highest AQI recorded in
January164AQI
Lowest AQI recorded in
July52AQI
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
2025(Avg.)
97AQILeast Polluted Year Recorded
2024(Avg.)
90AQINanzheng Big Hekan Waterworks's annual 2025 AQI (97) shows an average percentage change of 3.6% (worsened AQI) compared to previous years: 2020 (92), 2021 (96), 2022 (94), 2023 (95), 2024 (90).
