Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Yanchuan County Environmental Protection Bureau, Yanan, 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

Yanchuan County Environmental Protection Bureau, Yanan, Shaanxi, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
17th Aug 2023
126AQI
Lowest AQI recorded on
7th Aug 2024
34AQI

Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 54 of Moderate air quality, showing improvement over 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 20th Aug - 21st Aug 2025

Yanchuan County Environmental Protection Bureau, Yanan, Shaanxi, China

AQI
Day
Night
.

5 AM20th Aug 2025

7 PM

4 AM21st Aug 2025

Day time
Avg. Highest Time
5PM20th Aug

60AQI

Avg. Lowest Time
9AM20th Aug

40AQI

Night time
Avg. Highest Time
9PM20th Aug

60AQI

Avg. Lowest Time
11PM20th Aug

54AQI

In the last 24 hours,

Yanchuan County Environmental Protection Bureau's AQI reached its highest point of 60 at 5 PM during the Day, while the lowest point, 40, was recorded at 9 AM during the Day between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Yanchuan County Environmental Protection Bureau, Yanan, Shaanxi, China

JulAug
22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st
Day
Night
22nd Jul 2025615 AMAQI
22nd Jul 2025616 AMAQI
22nd Jul 2025617 AMAQI
22nd Jul 2025648 AMAQI
22nd Jul 2025649 AMAQI
22nd Jul 20257210 AMAQI
22nd Jul 20257611 AMAQI
22nd Jul 20257012 PMAQI
22nd Jul 2025681 PMAQI
22nd Jul 2025612 PMAQI
22nd Jul 2025613 PMAQI
22nd Jul 2025564 PMAQI
22nd Jul 2025625 PMAQI
22nd Jul 2025626 PMAQI
22nd Jul 2025627 PMAQI
22nd Jul 2025638 PMAQI
22nd Jul 2025669 PMAQI
22nd Jul 20256610 PMAQI
22nd Jul 20256611 PMAQI
23rd Jul 20256612 AMAQI
23rd Jul 2025621 AMAQI
23rd Jul 2025622 AMAQI
23rd Jul 2025623 AMAQI
23rd Jul 2025644 AMAQI

25°C21/28°C

23rd Jul 2025635 AMAQI
23rd Jul 2025646 AMAQI
23rd Jul 2025637 AMAQI
23rd Jul 2025658 AMAQI
23rd Jul 2025639 AMAQI
23rd Jul 20256110 AMAQI
23rd Jul 20255811 AMAQI
23rd Jul 20255012 PMAQI
23rd Jul 2025501 PMAQI
23rd Jul 2025462 PMAQI
23rd Jul 2025473 PMAQI
23rd Jul 2025434 PMAQI
23rd Jul 2025435 PMAQI
23rd Jul 2025446 PMAQI
23rd Jul 2025497 PMAQI
23rd Jul 2025568 PMAQI
23rd Jul 2025589 PMAQI
23rd Jul 20255910 PMAQI
23rd Jul 20255811 PMAQI
24th Jul 20255612 AMAQI
24th Jul 2025581 AMAQI
24th Jul 2025622 AMAQI
24th Jul 2025633 AMAQI
24th Jul 2025624 AMAQI

24°C21/28°C

24th Jul 2025625 AMAQI
24th Jul 2025626 AMAQI
24th Jul 2025627 AMAQI
24th Jul 2025488 AMAQI
24th Jul 2025459 AMAQI
24th Jul 20254010 AMAQI
24th Jul 20254011 AMAQI
24th Jul 20253812 PMAQI
24th Jul 2025381 PMAQI
24th Jul 2025332 PMAQI
24th Jul 2025313 PMAQI
24th Jul 2025324 PMAQI
24th Jul 2025355 PMAQI
24th Jul 2025386 PMAQI
24th Jul 2025457 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025559 PMAQI
24th Jul 20255610 PMAQI
24th Jul 20255811 PMAQI
25th Jul 20255812 AMAQI
25th Jul 2025591 AMAQI
25th Jul 2025612 AMAQI
25th Jul 2025603 AMAQI
25th Jul 2025584 AMAQI

25°C22/29°C

25th Jul 2025585 AMAQI
25th Jul 2025586 AMAQI
25th Jul 2025587 AMAQI
25th Jul 2025578 AMAQI
25th Jul 2025579 AMAQI
25th Jul 20255710 AMAQI
25th Jul 20255611 AMAQI
25th Jul 20255612 PMAQI
25th Jul 2025541 PMAQI
25th Jul 2025542 PMAQI
25th Jul 2025513 PMAQI
25th Jul 2025534 PMAQI
25th Jul 2025545 PMAQI
25th Jul 2025586 PMAQI
25th Jul 2025607 PMAQI
25th Jul 2025618 PMAQI
25th Jul 2025649 PMAQI
25th Jul 20256610 PMAQI
25th Jul 20256411 PMAQI
26th Jul 20256412 AMAQI
26th Jul 2025591 AMAQI
26th Jul 2025602 AMAQI
26th Jul 2025593 AMAQI
26th Jul 2025594 AMAQI

24°C22/27°C

26th Jul 2025595 AMAQI
26th Jul 2025596 AMAQI
26th Jul 2025597 AMAQI
26th Jul 2025608 AMAQI
26th Jul 2025589 AMAQI
26th Jul 20256410 AMAQI
26th Jul 20255511 AMAQI
26th Jul 20255112 PMAQI
26th Jul 2025531 PMAQI
26th Jul 2025532 PMAQI
26th Jul 2025533 PMAQI
26th Jul 2025524 PMAQI
26th Jul 2025605 PMAQI
26th Jul 2025526 PMAQI
26th Jul 2025507 PMAQI
26th Jul 2025538 PMAQI
26th Jul 2025539 PMAQI
26th Jul 20255610 PMAQI
26th Jul 20255511 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025591 AMAQI
27th Jul 2025602 AMAQI
27th Jul 2025593 AMAQI
27th Jul 2025584 AMAQI

24°C21/29°C

27th Jul 2025585 AMAQI
27th Jul 2025586 AMAQI
27th Jul 2025597 AMAQI
27th Jul 2025488 AMAQI
27th Jul 2025479 AMAQI
27th Jul 20255010 AMAQI
27th Jul 20255111 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025541 PMAQI
27th Jul 2025542 PMAQI
27th Jul 2025613 PMAQI
27th Jul 2025604 PMAQI
27th Jul 2025605 PMAQI
27th Jul 2025626 PMAQI
27th Jul 2025597 PMAQI
27th Jul 2025598 PMAQI
27th Jul 2025659 PMAQI
27th Jul 20256010 PMAQI
27th Jul 20256011 PMAQI
28th Jul 20255912 AMAQI
28th Jul 2025581 AMAQI
28th Jul 2025582 AMAQI
28th Jul 2025583 AMAQI
28th Jul 2025574 AMAQI

26°C21/31°C

28th Jul 2025575 AMAQI
28th Jul 2025576 AMAQI
28th Jul 2025577 AMAQI
28th Jul 2025578 AMAQI
28th Jul 2025599 AMAQI
28th Jul 20256310 AMAQI
28th Jul 20256811 AMAQI
28th Jul 20256312 PMAQI
28th Jul 2025601 PMAQI
28th Jul 2025592 PMAQI
28th Jul 2025583 PMAQI
28th Jul 2025604 PMAQI
28th Jul 2025585 PMAQI
28th Jul 2025586 PMAQI
28th Jul 2025607 PMAQI
28th Jul 2025618 PMAQI
28th Jul 2025619 PMAQI
28th Jul 20256410 PMAQI
28th Jul 20256211 PMAQI
29th Jul 20256612 AMAQI
29th Jul 2025611 AMAQI
29th Jul 2025582 AMAQI
29th Jul 2025583 AMAQI
29th Jul 2025584 AMAQI

27°C23/31°C

29th Jul 2025585 AMAQI
29th Jul 2025586 AMAQI
29th Jul 2025587 AMAQI
29th Jul 2025568 AMAQI
29th Jul 2025569 AMAQI
29th Jul 20255510 AMAQI
29th Jul 20255311 AMAQI
29th Jul 20255212 PMAQI
29th Jul 2025511 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025513 PMAQI
29th Jul 2025504 PMAQI
29th Jul 2025495 PMAQI
29th Jul 2025496 PMAQI
29th Jul 2025527 PMAQI
29th Jul 2025558 PMAQI
29th Jul 2025559 PMAQI
29th Jul 20256110 PMAQI
29th Jul 20256211 PMAQI
30th Jul 20256012 AMAQI
30th Jul 2025601 AMAQI
30th Jul 2025602 AMAQI
30th Jul 2025603 AMAQI
30th Jul 2025584 AMAQI

27°C24/31°C

30th Jul 2025585 AMAQI
30th Jul 2025586 AMAQI
30th Jul 2025587 AMAQI
30th Jul 2025548 AMAQI
30th Jul 2025589 AMAQI
30th Jul 20256810 AMAQI
30th Jul 20255811 AMAQI
30th Jul 20255312 PMAQI
30th Jul 2025561 PMAQI
30th Jul 2025572 PMAQI
30th Jul 2025563 PMAQI
30th Jul 2025524 PMAQI
30th Jul 2025575 PMAQI
30th Jul 2025526 PMAQI
30th Jul 2025537 PMAQI
30th Jul 2025598 PMAQI
30th Jul 2025659 PMAQI
30th Jul 20256510 PMAQI
30th Jul 20256711 PMAQI
31st Jul 20256412 AMAQI
31st Jul 2025611 AMAQI
31st Jul 2025592 AMAQI
31st Jul 2025593 AMAQI
31st Jul 2025594 AMAQI

27°C22/32°C

31st Jul 2025595 AMAQI
31st Jul 2025596 AMAQI
31st Jul 2025597 AMAQI
31st Jul 2025598 AMAQI
31st Jul 2025599 AMAQI
31st Jul 20255910 AMAQI
31st Jul 20256011 AMAQI
31st Jul 20255712 PMAQI
31st Jul 2025561 PMAQI
31st Jul 2025532 PMAQI
31st Jul 2025573 PMAQI
31st Jul 2025664 PMAQI
31st Jul 2025615 PMAQI
31st Jul 2025576 PMAQI
31st Jul 2025677 PMAQI
31st Jul 2025658 PMAQI
31st Jul 2025649 PMAQI
31st Jul 20256310 PMAQI
31st Jul 20256411 PMAQI
1st Aug 20256112 AMAQI
1st Aug 2025591 AMAQI
1st Aug 2025592 AMAQI
1st Aug 2025583 AMAQI
1st Aug 2025584 AMAQI

25°C21/31°C

1st Aug 2025585 AMAQI
1st Aug 2025596 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025738 AMAQI
1st Aug 2025689 AMAQI
1st Aug 20256510 AMAQI
1st Aug 20257011 AMAQI
1st Aug 20256212 PMAQI
1st Aug 2025711 PMAQI
1st Aug 2025682 PMAQI
1st Aug 2025683 PMAQI
1st Aug 2025704 PMAQI
1st Aug 2025675 PMAQI
1st Aug 2025646 PMAQI
1st Aug 2025647 PMAQI
1st Aug 2025648 PMAQI
1st Aug 2025699 PMAQI
1st Aug 20256810 PMAQI
1st Aug 20256611 PMAQI
2nd Aug 20256412 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025603 AMAQI
2nd Aug 2025614 AMAQI

25°C22/30°C

2nd Aug 2025625 AMAQI
2nd Aug 2025626 AMAQI
2nd Aug 2025617 AMAQI
2nd Aug 2025768 AMAQI
2nd Aug 2025699 AMAQI
2nd Aug 20256810 AMAQI
2nd Aug 20256811 AMAQI
2nd Aug 20256412 PMAQI
2nd Aug 2025611 PMAQI
2nd Aug 2025602 PMAQI
2nd Aug 2025613 PMAQI
2nd Aug 2025634 PMAQI
2nd Aug 2025575 PMAQI
2nd Aug 2025606 PMAQI
2nd Aug 2025587 PMAQI
2nd Aug 2025628 PMAQI
2nd Aug 2025699 PMAQI
2nd Aug 20257010 PMAQI
2nd Aug 20256811 PMAQI
3rd Aug 20256412 AMAQI
3rd Aug 2025601 AMAQI
3rd Aug 2025602 AMAQI
3rd Aug 2025623 AMAQI
3rd Aug 2025624 AMAQI

27°C22/32°C

3rd Aug 2025625 AMAQI
3rd Aug 2025626 AMAQI
3rd Aug 2025637 AMAQI
3rd Aug 2025748 AMAQI
3rd Aug 2025669 AMAQI
3rd Aug 20257010 AMAQI
3rd Aug 20256511 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025601 PMAQI
3rd Aug 2025652 PMAQI
3rd Aug 2025623 PMAQI
3rd Aug 2025724 PMAQI
3rd Aug 2025645 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025637 PMAQI
3rd Aug 2025648 PMAQI
3rd Aug 2025699 PMAQI
3rd Aug 20257110 PMAQI
3rd Aug 20256911 PMAQI
4th Aug 20256612 AMAQI
4th Aug 2025611 AMAQI
4th Aug 2025612 AMAQI
4th Aug 2025623 AMAQI
4th Aug 2025634 AMAQI

29°C24/33°C

4th Aug 2025635 AMAQI
4th Aug 2025626 AMAQI
4th Aug 2025637 AMAQI
4th Aug 2025678 AMAQI
4th Aug 2025689 AMAQI
4th Aug 20256510 AMAQI
4th Aug 20256311 AMAQI
4th Aug 20256112 PMAQI
4th Aug 2025631 PMAQI
4th Aug 2025642 PMAQI
4th Aug 2025683 PMAQI
4th Aug 2025764 PMAQI
4th Aug 2025745 PMAQI
4th Aug 2025766 PMAQI
4th Aug 2025737 PMAQI
4th Aug 2025668 PMAQI
4th Aug 2025639 PMAQI
4th Aug 20256210 PMAQI
4th Aug 20256111 PMAQI
5th Aug 20256112 AMAQI
5th Aug 2025621 AMAQI
5th Aug 2025612 AMAQI
5th Aug 2025633 AMAQI
5th Aug 2025644 AMAQI

25°C23/26°C

5th Aug 2025645 AMAQI
5th Aug 2025636 AMAQI
5th Aug 2025637 AMAQI
5th Aug 2025598 AMAQI
5th Aug 2025699 AMAQI
5th Aug 20256410 AMAQI
5th Aug 20256011 AMAQI
5th Aug 20255412 PMAQI
5th Aug 2025561 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025623 PMAQI
5th Aug 2025604 PMAQI
5th Aug 2025595 PMAQI
5th Aug 2025546 PMAQI
5th Aug 2025547 PMAQI
5th Aug 2025608 PMAQI
5th Aug 2025629 PMAQI
5th Aug 20256210 PMAQI
5th Aug 20256211 PMAQI
6th Aug 20256312 AMAQI
6th Aug 2025631 AMAQI
6th Aug 2025622 AMAQI
6th Aug 2025623 AMAQI
6th Aug 2025624 AMAQI

25°C23/29°C

6th Aug 2025625 AMAQI
6th Aug 2025626 AMAQI
6th Aug 2025627 AMAQI
6th Aug 2025648 AMAQI
6th Aug 2025609 AMAQI
6th Aug 20255710 AMAQI
6th Aug 20256611 AMAQI
6th Aug 20255812 PMAQI
6th Aug 2025571 PMAQI
6th Aug 2025592 PMAQI
6th Aug 2025583 PMAQI
6th Aug 2025564 PMAQI
6th Aug 2025615 PMAQI
6th Aug 2025596 PMAQI
6th Aug 2025607 PMAQI
6th Aug 2025628 PMAQI
6th Aug 2025639 PMAQI
6th Aug 20256510 PMAQI
6th Aug 20256411 PMAQI
7th Aug 20256112 AMAQI
7th Aug 2025611 AMAQI
7th Aug 2025622 AMAQI
7th Aug 2025613 AMAQI
7th Aug 2025614 AMAQI

27°C23/31°C

7th Aug 2025615 AMAQI
7th Aug 2025626 AMAQI
7th Aug 2025617 AMAQI
7th Aug 2025608 AMAQI
7th Aug 2025669 AMAQI
7th Aug 20256810 AMAQI
7th Aug 20256311 AMAQI
7th Aug 20256412 PMAQI
7th Aug 2025571 PMAQI
7th Aug 2025542 PMAQI
7th Aug 2025533 PMAQI
7th Aug 2025544 PMAQI
7th Aug 2025575 PMAQI
7th Aug 2025586 PMAQI
7th Aug 2025597 PMAQI
7th Aug 2025648 PMAQI
7th Aug 2025639 PMAQI
7th Aug 20256410 PMAQI
7th Aug 20256411 PMAQI
8th Aug 20256212 AMAQI
8th Aug 2025611 AMAQI
8th Aug 2025612 AMAQI
8th Aug 2025613 AMAQI
8th Aug 2025624 AMAQI

28°C24/32°C

8th Aug 2025615 AMAQI
8th Aug 2025616 AMAQI
8th Aug 2025627 AMAQI
8th Aug 2025688 AMAQI
8th Aug 2025699 AMAQI
8th Aug 20256810 AMAQI
8th Aug 20256711 AMAQI
8th Aug 20256412 PMAQI
8th Aug 2025641 PMAQI
8th Aug 2025712 PMAQI
8th Aug 2025723 PMAQI
8th Aug 2025634 PMAQI
8th Aug 2025565 PMAQI
8th Aug 2025506 PMAQI
8th Aug 2025497 PMAQI
8th Aug 2025568 PMAQI
8th Aug 2025559 PMAQI
8th Aug 20255510 PMAQI
8th Aug 20255511 PMAQI
9th Aug 20255612 AMAQI
9th Aug 2025621 AMAQI
9th Aug 2025622 AMAQI
9th Aug 2025633 AMAQI
9th Aug 2025644 AMAQI

23°C20/27°C

9th Aug 2025645 AMAQI
9th Aug 2025646 AMAQI
9th Aug 2025647 AMAQI
9th Aug 2025548 AMAQI
9th Aug 2025529 AMAQI
9th Aug 20255210 AMAQI
9th Aug 20254811 AMAQI
9th Aug 20254012 PMAQI
9th Aug 2025361 PMAQI
9th Aug 2025342 PMAQI
9th Aug 2025373 PMAQI
9th Aug 2025354 PMAQI
9th Aug 2025365 PMAQI
9th Aug 2025366 PMAQI
9th Aug 2025457 PMAQI
9th Aug 2025568 PMAQI
9th Aug 2025589 PMAQI
9th Aug 20256010 PMAQI
9th Aug 20256211 PMAQI
10th Aug 20256412 AMAQI
10th Aug 2025631 AMAQI
10th Aug 2025622 AMAQI
10th Aug 2025613 AMAQI
10th Aug 2025604 AMAQI

25°C21/30°C

10th Aug 2025605 AMAQI
10th Aug 2025606 AMAQI
10th Aug 2025607 AMAQI
10th Aug 2025548 AMAQI
10th Aug 2025539 AMAQI
10th Aug 20255410 AMAQI
10th Aug 20255411 AMAQI
10th Aug 20255112 PMAQI
10th Aug 2025521 PMAQI
10th Aug 2025522 PMAQI
10th Aug 2025523 PMAQI
10th Aug 2025534 PMAQI
10th Aug 2025485 PMAQI
10th Aug 2025456 PMAQI
10th Aug 2025507 PMAQI
10th Aug 2025578 PMAQI
10th Aug 2025599 PMAQI
10th Aug 20256110 PMAQI
10th Aug 20256111 PMAQI
11th Aug 20255512 AMAQI
11th Aug 2025611 AMAQI
11th Aug 2025622 AMAQI
11th Aug 2025613 AMAQI
11th Aug 2025604 AMAQI

25°C21/29°C

11th Aug 2025605 AMAQI
11th Aug 2025606 AMAQI
11th Aug 2025607 AMAQI
11th Aug 2025538 AMAQI
11th Aug 2025539 AMAQI
11th Aug 20255210 AMAQI
11th Aug 20254911 AMAQI
11th Aug 20255212 PMAQI
11th Aug 2025501 PMAQI
11th Aug 2025452 PMAQI
11th Aug 2025463 PMAQI
11th Aug 2025564 PMAQI
11th Aug 2025615 PMAQI
11th Aug 2025606 PMAQI
11th Aug 2025627 PMAQI
11th Aug 2025628 PMAQI
11th Aug 2025669 PMAQI
11th Aug 20256610 PMAQI
11th Aug 20256711 PMAQI
12th Aug 20256512 AMAQI
12th Aug 2025601 AMAQI
12th Aug 2025602 AMAQI
12th Aug 2025603 AMAQI
12th Aug 2025584 AMAQI

26°C20/32°C

12th Aug 2025605 AMAQI
12th Aug 2025596 AMAQI
12th Aug 2025597 AMAQI
12th Aug 2025688 AMAQI
12th Aug 2025839 AMAQI
12th Aug 20256210 AMAQI
12th Aug 20255911 AMAQI
12th Aug 20255412 PMAQI
12th Aug 2025641 PMAQI
12th Aug 2025682 PMAQI
12th Aug 2025593 PMAQI
12th Aug 2025494 PMAQI
12th Aug 2025515 PMAQI
12th Aug 2025466 PMAQI
12th Aug 2025527 PMAQI
12th Aug 2025568 PMAQI
12th Aug 2025579 PMAQI
12th Aug 20256010 PMAQI
12th Aug 20256111 PMAQI
13th Aug 20256112 AMAQI
13th Aug 2025601 AMAQI
13th Aug 2025612 AMAQI
13th Aug 2025623 AMAQI
13th Aug 2025614 AMAQI

24°C22/28°C

13th Aug 2025615 AMAQI
13th Aug 2025626 AMAQI
13th Aug 2025627 AMAQI
13th Aug 2025468 AMAQI
13th Aug 2025499 AMAQI
13th Aug 20254710 AMAQI
13th Aug 20254711 AMAQI
13th Aug 20254612 PMAQI
13th Aug 2025461 PMAQI
13th Aug 2025502 PMAQI
13th Aug 2025623 PMAQI
13th Aug 2025524 PMAQI
13th Aug 2025575 PMAQI
13th Aug 2025556 PMAQI
13th Aug 2025607 PMAQI
13th Aug 2025608 PMAQI
13th Aug 2025629 PMAQI
13th Aug 20256410 PMAQI
13th Aug 20256511 PMAQI
14th Aug 20256612 AMAQI
14th Aug 2025621 AMAQI
14th Aug 2025622 AMAQI
14th Aug 2025603 AMAQI
14th Aug 2025604 AMAQI

25°C19/32°C

14th Aug 2025605 AMAQI
14th Aug 2025596 AMAQI
14th Aug 2025597 AMAQI
14th Aug 2025528 AMAQI
14th Aug 2025549 AMAQI
14th Aug 20255710 AMAQI
14th Aug 20256911 AMAQI
14th Aug 20256812 PMAQI
14th Aug 2025751 PMAQI
14th Aug 2025642 PMAQI
14th Aug 2025723 PMAQI
14th Aug 2025704 PMAQI
14th Aug 2025705 PMAQI
14th Aug 2025666 PMAQI
14th Aug 2025627 PMAQI
14th Aug 2025668 PMAQI
14th Aug 2025669 PMAQI
14th Aug 20256810 PMAQI
14th Aug 20256811 PMAQI
15th Aug 20256412 AMAQI
15th Aug 2025621 AMAQI
15th Aug 2025602 AMAQI
15th Aug 2025623 AMAQI
15th Aug 2025614 AMAQI

26°C21/31°C

15th Aug 2025615 AMAQI
15th Aug 2025626 AMAQI
15th Aug 2025627 AMAQI
15th Aug 2025608 AMAQI
15th Aug 2025669 AMAQI
15th Aug 20256810 AMAQI
15th Aug 20255911 AMAQI
15th Aug 20255812 PMAQI
15th Aug 2025581 PMAQI
15th Aug 2025592 PMAQI
15th Aug 2025633 PMAQI
15th Aug 2025544 PMAQI
15th Aug 2025465 PMAQI
15th Aug 2025466 PMAQI
15th Aug 2025547 PMAQI
15th Aug 2025548 PMAQI
15th Aug 2025539 PMAQI
15th Aug 20255510 PMAQI
15th Aug 20255311 PMAQI
16th Aug 20255312 AMAQI
16th Aug 2025621 AMAQI
16th Aug 2025622 AMAQI
16th Aug 2025623 AMAQI
16th Aug 2025624 AMAQI

23°C20/29°C

16th Aug 2025625 AMAQI
16th Aug 2025626 AMAQI
16th Aug 2025627 AMAQI
16th Aug 2025378 AMAQI
16th Aug 2025339 AMAQI
16th Aug 20252810 AMAQI
16th Aug 20252611 AMAQI
16th Aug 20252412 PMAQI
16th Aug 2025251 PMAQI
16th Aug 2025242 PMAQI
16th Aug 2025273 PMAQI
16th Aug 2025294 PMAQI
16th Aug 2025365 PMAQI
16th Aug 2025306 PMAQI
16th Aug 2025467 PMAQI
16th Aug 2025538 PMAQI
16th Aug 2025529 PMAQI
16th Aug 20255410 PMAQI
16th Aug 20255511 PMAQI
17th Aug 20255612 AMAQI
17th Aug 2025611 AMAQI
17th Aug 2025612 AMAQI
17th Aug 2025583 AMAQI
17th Aug 2025564 AMAQI

23°C19/27°C

17th Aug 2025565 AMAQI
17th Aug 2025566 AMAQI
17th Aug 2025567 AMAQI
17th Aug 2025548 AMAQI
17th Aug 2025519 AMAQI
17th Aug 20254910 AMAQI
17th Aug 20254311 AMAQI
17th Aug 20254412 PMAQI
17th Aug 2025411 PMAQI
17th Aug 2025332 PMAQI
17th Aug 2025363 PMAQI
17th Aug 2025344 PMAQI
17th Aug 2025375 PMAQI
17th Aug 2025396 PMAQI
17th Aug 2025487 PMAQI
17th Aug 2025558 PMAQI
17th Aug 2025589 PMAQI
17th Aug 20255810 PMAQI
17th Aug 20256011 PMAQI
18th Aug 20255812 AMAQI
18th Aug 2025581 AMAQI
18th Aug 2025582 AMAQI
18th Aug 2025563 AMAQI
18th Aug 2025564 AMAQI

26°C21/31°C

18th Aug 2025565 AMAQI
18th Aug 2025566 AMAQI
18th Aug 2025567 AMAQI
18th Aug 2025648 AMAQI
18th Aug 2025669 AMAQI
18th Aug 20256710 AMAQI
18th Aug 20256011 AMAQI
18th Aug 20255412 PMAQI
18th Aug 2025551 PMAQI
18th Aug 2025542 PMAQI
18th Aug 2025563 PMAQI
18th Aug 2025524 PMAQI
18th Aug 2025585 PMAQI
18th Aug 2025526 PMAQI
18th Aug 2025567 PMAQI
18th Aug 2025568 PMAQI
18th Aug 2025599 PMAQI
18th Aug 20256110 PMAQI
18th Aug 20255911 PMAQI
19th Aug 20255812 AMAQI
19th Aug 2025581 AMAQI
19th Aug 2025562 AMAQI
19th Aug 2025573 AMAQI
19th Aug 2025584 AMAQI

26°C22/32°C

19th Aug 2025585 AMAQI
19th Aug 2025586 AMAQI
19th Aug 2025587 AMAQI
19th Aug 2025648 AMAQI
19th Aug 2025619 AMAQI
19th Aug 20256310 AMAQI
19th Aug 20255511 AMAQI
19th Aug 20255012 PMAQI
19th Aug 2025521 PMAQI
19th Aug 2025472 PMAQI
19th Aug 2025483 PMAQI
19th Aug 2025514 PMAQI
19th Aug 2025545 PMAQI
19th Aug 2025576 PMAQI
19th Aug 2025567 PMAQI
19th Aug 2025578 PMAQI
19th Aug 2025579 PMAQI
19th Aug 20255710 PMAQI
19th Aug 20255711 PMAQI
20th Aug 20255612 AMAQI
20th Aug 2025571 AMAQI
20th Aug 2025582 AMAQI
20th Aug 2025583 AMAQI
20th Aug 2025584 AMAQI

25°C22/32°C

20th Aug 2025585 AMAQI
20th Aug 2025586 AMAQI
20th Aug 2025587 AMAQI
20th Aug 2025418 AMAQI
20th Aug 2025409 AMAQI
20th Aug 20254210 AMAQI
20th Aug 20254211 AMAQI
20th Aug 20254912 PMAQI
20th Aug 2025551 PMAQI
20th Aug 2025482 PMAQI
20th Aug 2025523 PMAQI
20th Aug 2025444 PMAQI
20th Aug 2025605 PMAQI
20th Aug 2025456 PMAQI
20th Aug 2025587 PMAQI
20th Aug 2025598 PMAQI
20th Aug 2025609 PMAQI
20th Aug 20256010 PMAQI
20th Aug 20255411 PMAQI
21st Aug 20255912 AMAQI
21st Aug 2025581 AMAQI
21st Aug 2025572 AMAQI
21st Aug 2025563 AMAQI
21st Aug 2025564 AMAQI

24°C21/31°C

21st Aug 2025565 AMAQI
5 AM
21st Aug 2025566 AMAQI
21st Aug 2025567 AMAQI
21st Aug 2025558 AMAQI
21st Aug 2025509 AMAQI
21st Aug 20254510 AMAQI
21st Aug 20253711 AMAQI
21st Aug 20253212 PMAQI
12 PM
21st Aug 2025331 PMAQI
21st Aug 2025472 PMAQI
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 11 AM

59AQI

7 hours / Day
210 hours / Month
Avg. Lowest Time
12 PM - 6 PM

54AQI

7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 11 AM (Avg. 59), while the lowest AQI was between 12 PM to 6 PM (Avg. 54).
Night time
Avg. Highest Time
12 AM - 11 PM

61AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM

61AQI

9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 61), while the lowest AQI was between 12 AM to 11 PM (Avg. 61).

2025 Days Vs Air Quality

Yanchuan County Environmental Protection Bureau, Yanan, Shaanxi, China

2025

3%

7

68%

158

22%

52

3%

8

3%

6

0.4%

1

Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)

Good
7 Days
Moderate
158 Days
Poor
52 Days
Unhealthy
8 Days
Severe
6 Days
Hazardous
1 Days

Under WHO’s Safe Air Quality Limits: 3%

Health Risk Level:

Extreme

In 2025, 3% of 233 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

Yanchuan County Environmental Protection Bureau, Yanan, 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.

1st January 2025
108AQI
2nd January 2025
93AQI
3rd January 2025
96AQI
4th January 2025
106AQI
5th January 2025
94AQI
6th January 2025
79AQI
7th January 2025
84AQI
8th January 2025
67AQI
9th January 2025
76AQI
10th January 2025
77AQI
11th January 2025
86AQI
12th January 2025
77AQI
13th January 2025
142AQI
14th January 2025
64AQI
15th January 2025
91AQI
16th January 2025
83AQI
17th January 2025
105AQI
18th January 2025
108AQI
19th January 2025
115AQI
20th January 2025
109AQI
21st January 2025
120AQI
22nd January 2025
134AQI
23rd January 2025
157AQI
24th January 2025
178AQI
25th January 2025
109AQI
26th January 2025
98AQI
27th January 2025
78AQI
28th January 2025
104AQI
29th January 2025
122AQI
30th January 2025
126AQI
31st January 2025
127AQI
1st February 2025
143AQI
2nd February 2025
94AQI
3rd February 2025
96AQI
4th February 2025
80AQI
5th February 2025
66AQI
6th February 2025
154AQI
7th February 2025
54AQI
8th February 2025
70AQI
9th February 2025
75AQI
10th February 2025
93AQI
11th February 2025
103AQI
12th February 2025
79AQI
13th February 2025
92AQI
14th February 2025
91AQI
15th February 2025
98AQI
16th February 2025
88AQI
17th February 2025
97AQI
18th February 2025
99AQI
19th February 2025
110AQI
20th February 2025
118AQI
21st February 2025
132AQI
22nd February 2025
76AQI
23rd February 2025
79AQI
24th February 2025
70AQI
25th February 2025
89AQI
26th February 2025
90AQI
27th February 2025
111AQI
28th February 2025
101AQI
1st March 2025
138AQI
2nd March 2025
115AQI
3rd March 2025
106AQI
4th March 2025
96AQI
5th March 2025
103AQI
6th March 2025
105AQI
7th March 2025
118AQI
8th March 2025
112AQI
9th March 2025
115AQI
10th March 2025
126AQI
11th March 2025
286AQI
12th March 2025
162AQI
13th March 2025
124AQI
14th March 2025
133AQI
15th March 2025
77AQI
16th March 2025
74AQI
17th March 2025
59AQI
18th March 2025
61AQI
19th March 2025
60AQI
20th March 2025
58AQI
21st March 2025
71AQI
22nd March 2025
78AQI
23rd March 2025
212AQI
24th March 2025
492AQI
25th March 2025
292AQI
26th March 2025
230AQI
27th March 2025
167AQI
28th March 2025
107AQI
29th March 2025
88AQI
30th March 2025
77AQI
31st March 2025
69AQI
1st April 2025
72AQI
2nd April 2025
64AQI
3rd April 2025
101AQI
4th April 2025
102AQI
5th April 2025
75AQI
6th April 2025
95AQI
7th April 2025
104AQI
8th April 2025
101AQI
9th April 2025
84AQI
10th April 2025
76AQI
11th April 2025
129AQI
12th April 2025
103AQI
13th April 2025
127AQI
14th April 2025
63AQI
15th April 2025
74AQI
16th April 2025
125AQI
17th April 2025
130AQI
18th April 2025
131AQI
19th April 2025
117AQI
20th April 2025
106AQI
21st April 2025
259AQI
22nd April 2025
152AQI
23rd April 2025
105AQI
24th April 2025
81AQI
25th April 2025
79AQI
26th April 2025
79AQI
27th April 2025
64AQI
28th April 2025
61AQI
29th April 2025
68AQI
30th April 2025
133AQI
1st May 2025
77AQI
2nd May 2025
123AQI
3rd May 2025
61AQI
4th May 2025
96AQI
5th May 2025
229AQI
6th May 2025
158AQI
7th May 2025
154AQI
8th May 2025
141AQI
9th May 2025
91AQI
10th May 2025
92AQI
11th May 2025
66AQI
12th May 2025
76AQI
13th May 2025
82AQI
14th May 2025
68AQI
15th May 2025
70AQI
16th May 2025
130AQI
17th May 2025
90AQI
18th May 2025
84AQI
19th May 2025
85AQI
20th May 2025
89AQI
21st May 2025
90AQI
22nd May 2025
130AQI
23rd May 2025
86AQI
24th May 2025
108AQI
25th May 2025
77AQI
26th May 2025
76AQI
27th May 2025
75AQI
28th May 2025
86AQI
29th May 2025
88AQI
30th May 2025
95AQI
31st May 2025
67AQI
1st June 2025
75AQI
2nd June 2025
58AQI
3rd June 2025
49AQI
4th June 2025
52AQI
5th June 2025
58AQI
6th June 2025
62AQI
7th June 2025
67AQI
8th June 2025
63AQI
9th June 2025
66AQI
10th June 2025
58AQI
11th June 2025
69AQI
12th June 2025
74AQI
13th June 2025
71AQI
14th June 2025
67AQI
15th June 2025
59AQI
16th June 2025
62AQI
17th June 2025
62AQI
18th June 2025
64AQI
19th June 2025
61AQI
20th June 2025
61AQI
21st June 2025
56AQI
22nd June 2025
51AQI
23rd June 2025
58AQI
24th June 2025
61AQI
25th June 2025
62AQI
26th June 2025
58AQI
27th June 2025
60AQI
28th June 2025
53AQI
29th June 2025
57AQI
30th June 2025
54AQI
1st July 2025
52AQI
2nd July 2025
46AQI
3rd July 2025
46AQI
4th July 2025
51AQI
5th July 2025
46AQI
6th July 2025
51AQI
7th July 2025
51AQI
8th July 2025
48AQI
9th July 2025
56AQI
10th July 2025
59AQI
11th July 2025
70AQI
12th July 2025
72AQI
13th July 2025
72AQI
14th July 2025
69AQI
15th July 2025
69AQI
16th July 2025
59AQI
17th July 2025
59AQI
18th July 2025
64AQI
19th July 2025
69AQI
20th July 2025
55AQI
21st July 2025
57AQI
22nd July 2025
64AQI
23rd July 2025
57AQI
24th July 2025
50AQI
25th July 2025
59AQI
26th July 2025
56AQI
27th July 2025
58AQI
28th July 2025
60AQI
29th July 2025
56AQI
30th July 2025
59AQI
31st July 2025
60AQI
1st August 2025
64AQI
2nd August 2025
63AQI
3rd August 2025
65AQI
4th August 2025
65AQI
5th August 2025
61AQI
6th August 2025
61AQI
7th August 2025
61AQI
8th August 2025
61AQI
9th August 2025
53AQI
10th August 2025
56AQI
11th August 2025
58AQI
12th August 2025
59AQI
13th August 2025
57AQI
14th August 2025
64AQI
15th August 2025
58AQI
16th August 2025
46AQI
17th August 2025
51AQI
18th August 2025
58AQI
19th August 2025
56AQI
20th August 2025
54AQI

104AQI

95AQI

133AQI

102AQI

98AQI

61AQI

58AQI

59AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202590AQI

15
14
2
20
7
1
12
12
2
4
1
14
14
1
1
23
5
2
1
1
29
5
26
1
19
7
158
52
8
6
1

Highest AQI recorded in

March

133AQI

Lowest AQI recorded in

July

58AQI

202482AQI

2
12
12
5
7
11
9
2
21
8
2
29
1
30
1
29
1
6
25
13
17
5
23
2
6
24
1
4
18
8
26
5
36
261
49
17
2

Highest AQI recorded in

February

137AQI

Lowest AQI recorded in

August

54AQI

202392AQI

2
7
15
6
8
8
6
1
1
1
4
1
1
3
4
2
12
3
23
4
14
1
1
1
1
10
5
17
11
3
15
102
41
17
1

Highest AQI recorded in

March

197AQI

Lowest AQI recorded in

September

59AQI

202284AQI

13
7
10
1
10
10
1
1
15
11
2
2
1
20
8
1
5
23
3
5
25
12
12
1
13
15
8
16
7
2
15
8
5
2
22
7
51
186
61
18
3

Highest AQI recorded in

January

119AQI

Lowest AQI recorded in

August

47AQI

202189AQI

1
16
8
3
2
1
15
8
2
13
9
2
2
4
1
22
4
1
1
4
18
3
2
1
4
15
11
15
5
25
10
18
2
5
22
3
1
21
7
2
5
18
8
46
218
52
12
6
6

Highest AQI recorded in

March

171AQI

Lowest AQI recorded in

July

52AQI

202084AQI

10
2
1
18
3
15
2
1
3
20
7
3
24
4
5
17
5
2
5
20
5
2
20
8
1
2
12
11
4
2
16
10
22
172
57
8
1

Highest AQI recorded in

November

102AQI

Lowest AQI recorded in

April

73AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
92AQI
Least Polluted Year Recorded
2024(Avg.)
82AQI

Yanchuan County Environmental Protection Bureau's annual 2025 AQI (90) shows an average percentage change of 4.7% (worsened AQI) compared to previous years: 2020 (84), 2021 (89), 2022 (84), 2023 (92), 2024 (82).