Beidaihe Environmental Protection Bureau, Qinhuangdao, Hebei, 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
Beidaihe Environmental Protection Bureau, Qinhuangdao, Hebei, China
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
8th Aug 2021
135AQILowest AQI recorded on
12th Aug 2021
39AQISame Day Analysis (2nd August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 60 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Beidaihe Environmental Protection Bureau, Qinhuangdao, Hebei, China
AQI
Day
Night
.
4 AM3rd Aug 2025
7 PM
3 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
6AM3rd Aug
60AQI
Avg. Lowest Time
6PM3rd Aug
50AQI
In the last 24 hours,
Beidaihe Environmental Protection Bureau's AQI reached its highest point of 60 at 6 AM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Beidaihe Environmental Protection Bureau, Qinhuangdao, Hebei, China
JulAug
05th - 06th06th - 07th07th - 08th08th - 09th09th - 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
Day
Night
5th Jul 2025684 AMAQI
5th Jul 2025685 AMAQI
5th Jul 2025686 AMAQI
5th Jul 2025697 AMAQI
5th Jul 2025848 AMAQI
5th Jul 2025929 AMAQI
5th Jul 20257810 AMAQI
5th Jul 20258211 AMAQI
5th Jul 20257412 PMAQI
5th Jul 2025741 PMAQI
5th Jul 2025732 PMAQI
5th Jul 2025673 PMAQI
5th Jul 2025744 PMAQI
5th Jul 2025725 PMAQI
5th Jul 2025776 PMAQI
5th Jul 2025767 PMAQI
5th Jul 2025708 PMAQI
5th Jul 2025689 PMAQI
5th Jul 20256710 PMAQI
5th Jul 20256811 PMAQI
6th Jul 20256412 AMAQI
6th Jul 2025671 AMAQI
6th Jul 2025672 AMAQI
6th Jul 2025683 AMAQI
28°C24/33°C
6th Jul 2025684 AMAQI
6th Jul 2025685 AMAQI
6th Jul 2025696 AMAQI
6th Jul 2025697 AMAQI
6th Jul 2025648 AMAQI
6th Jul 2025529 AMAQI
6th Jul 20255010 AMAQI
6th Jul 20255211 AMAQI
6th Jul 20255612 PMAQI
6th Jul 2025531 PMAQI
6th Jul 2025532 PMAQI
6th Jul 2025563 PMAQI
6th Jul 2025544 PMAQI
6th Jul 2025535 PMAQI
6th Jul 2025546 PMAQI
6th Jul 2025607 PMAQI
6th Jul 2025648 PMAQI
6th Jul 2025669 PMAQI
6th Jul 20256610 PMAQI
6th Jul 20256511 PMAQI
7th Jul 20256612 AMAQI
7th Jul 2025661 AMAQI
7th Jul 2025662 AMAQI
7th Jul 2025653 AMAQI
27°C24/31°C
7th Jul 2025644 AMAQI
7th Jul 2025655 AMAQI
7th Jul 2025656 AMAQI
7th Jul 2025647 AMAQI
7th Jul 2025668 AMAQI
7th Jul 2025629 AMAQI
7th Jul 20255910 AMAQI
7th Jul 20256011 AMAQI
7th Jul 20256012 PMAQI
7th Jul 2025581 PMAQI
7th Jul 2025622 PMAQI
7th Jul 2025593 PMAQI
7th Jul 2025594 PMAQI
7th Jul 2025585 PMAQI
7th Jul 2025586 PMAQI
7th Jul 2025607 PMAQI
7th Jul 2025658 PMAQI
7th Jul 2025659 PMAQI
7th Jul 20256510 PMAQI
7th Jul 20256611 PMAQI
8th Jul 20256412 AMAQI
8th Jul 2025651 AMAQI
8th Jul 2025642 AMAQI
8th Jul 2025643 AMAQI
26°C22/30°C
8th Jul 2025644 AMAQI
8th Jul 2025645 AMAQI
8th Jul 2025646 AMAQI
8th Jul 2025647 AMAQI
8th Jul 2025768 AMAQI
8th Jul 2025719 AMAQI
8th Jul 20256810 AMAQI
8th Jul 20256111 AMAQI
8th Jul 20256012 PMAQI
8th Jul 2025561 PMAQI
8th Jul 2025542 PMAQI
8th Jul 2025533 PMAQI
8th Jul 2025534 PMAQI
8th Jul 2025545 PMAQI
8th Jul 2025526 PMAQI
8th Jul 2025577 PMAQI
8th Jul 2025648 PMAQI
8th Jul 2025659 PMAQI
8th Jul 20256710 PMAQI
8th Jul 20256611 PMAQI
9th Jul 20256612 AMAQI
9th Jul 2025641 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
25°C22/29°C
9th Jul 2025644 AMAQI
9th Jul 2025645 AMAQI
9th Jul 2025646 AMAQI
9th Jul 2025647 AMAQI
9th Jul 2025778 AMAQI
9th Jul 2025799 AMAQI
9th Jul 20256210 AMAQI
9th Jul 20256011 AMAQI
9th Jul 20256112 PMAQI
9th Jul 2025601 PMAQI
9th Jul 2025632 PMAQI
9th Jul 2025603 PMAQI
9th Jul 2025584 PMAQI
9th Jul 2025585 PMAQI
9th Jul 2025566 PMAQI
9th Jul 2025607 PMAQI
9th Jul 2025648 PMAQI
9th Jul 2025659 PMAQI
9th Jul 20256410 PMAQI
9th Jul 20256311 PMAQI
10th Jul 20256412 AMAQI
10th Jul 2025641 AMAQI
10th Jul 2025642 AMAQI
10th Jul 2025653 AMAQI
26°C23/29°C
10th Jul 2025644 AMAQI
10th Jul 2025645 AMAQI
10th Jul 2025656 AMAQI
10th Jul 2025647 AMAQI
10th Jul 2025698 AMAQI
10th Jul 2025649 AMAQI
10th Jul 20256010 AMAQI
10th Jul 20256311 AMAQI
10th Jul 20256312 PMAQI
10th Jul 2025651 PMAQI
10th Jul 2025672 PMAQI
10th Jul 2025653 PMAQI
10th Jul 2025644 PMAQI
10th Jul 2025635 PMAQI
10th Jul 2025676 PMAQI
10th Jul 2025697 PMAQI
10th Jul 2025678 PMAQI
10th Jul 2025679 PMAQI
10th Jul 20256710 PMAQI
10th Jul 20256611 PMAQI
11th Jul 20256812 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025642 AMAQI
11th Jul 2025643 AMAQI
27°C24/30°C
11th Jul 2025654 AMAQI
11th Jul 2025645 AMAQI
11th Jul 2025646 AMAQI
11th Jul 2025647 AMAQI
11th Jul 2025648 AMAQI
11th Jul 2025619 AMAQI
11th Jul 20255510 AMAQI
11th Jul 20256111 AMAQI
11th Jul 20256312 PMAQI
11th Jul 2025641 PMAQI
11th Jul 2025682 PMAQI
11th Jul 2025643 PMAQI
11th Jul 2025624 PMAQI
11th Jul 2025605 PMAQI
11th Jul 2025586 PMAQI
11th Jul 2025627 PMAQI
11th Jul 2025638 PMAQI
11th Jul 2025639 PMAQI
11th Jul 20256310 PMAQI
11th Jul 20256211 PMAQI
12th Jul 20256212 AMAQI
12th Jul 2025651 AMAQI
12th Jul 2025652 AMAQI
12th Jul 2025643 AMAQI
26°C23/30°C
12th Jul 2025644 AMAQI
12th Jul 2025645 AMAQI
12th Jul 2025656 AMAQI
12th Jul 2025657 AMAQI
12th Jul 2025648 AMAQI
12th Jul 2025599 AMAQI
12th Jul 20256010 AMAQI
12th Jul 20256111 AMAQI
12th Jul 20255912 PMAQI
12th Jul 2025601 PMAQI
12th Jul 2025612 PMAQI
12th Jul 2025593 PMAQI
12th Jul 2025574 PMAQI
12th Jul 2025585 PMAQI
12th Jul 2025636 PMAQI
12th Jul 2025657 PMAQI
12th Jul 2025678 PMAQI
12th Jul 2025669 PMAQI
12th Jul 20256610 PMAQI
12th Jul 20256611 PMAQI
13th Jul 20256612 AMAQI
13th Jul 2025641 AMAQI
13th Jul 2025642 AMAQI
13th Jul 2025633 AMAQI
27°C23/32°C
13th Jul 2025634 AMAQI
13th Jul 2025645 AMAQI
13th Jul 2025646 AMAQI
13th Jul 2025647 AMAQI
13th Jul 2025628 AMAQI
13th Jul 2025589 AMAQI
13th Jul 20255210 AMAQI
13th Jul 20255511 AMAQI
13th Jul 20255812 PMAQI
13th Jul 2025601 PMAQI
13th Jul 2025612 PMAQI
13th Jul 2025583 PMAQI
13th Jul 2025564 PMAQI
13th Jul 2025585 PMAQI
13th Jul 2025556 PMAQI
13th Jul 2025567 PMAQI
13th Jul 2025628 PMAQI
13th Jul 2025619 PMAQI
13th Jul 20256110 PMAQI
13th Jul 20256111 PMAQI
14th Jul 20256112 AMAQI
14th Jul 2025641 AMAQI
14th Jul 2025642 AMAQI
14th Jul 2025653 AMAQI
28°C22/33°C
14th Jul 2025664 AMAQI
14th Jul 2025675 AMAQI
14th Jul 2025666 AMAQI
14th Jul 2025667 AMAQI
14th Jul 2025648 AMAQI
14th Jul 2025619 AMAQI
14th Jul 20255810 AMAQI
14th Jul 20255211 AMAQI
14th Jul 20255212 PMAQI
14th Jul 2025521 PMAQI
14th Jul 2025522 PMAQI
14th Jul 2025473 PMAQI
14th Jul 2025484 PMAQI
14th Jul 2025505 PMAQI
14th Jul 2025526 PMAQI
14th Jul 2025547 PMAQI
14th Jul 2025598 PMAQI
14th Jul 2025599 PMAQI
14th Jul 20255810 PMAQI
14th Jul 20255811 PMAQI
15th Jul 20255912 AMAQI
15th Jul 2025621 AMAQI
15th Jul 2025642 AMAQI
15th Jul 2025633 AMAQI
27°C23/33°C
15th Jul 2025604 AMAQI
15th Jul 2025615 AMAQI
15th Jul 2025606 AMAQI
15th Jul 2025617 AMAQI
15th Jul 2025578 AMAQI
15th Jul 2025529 AMAQI
15th Jul 20254210 AMAQI
15th Jul 20254911 AMAQI
15th Jul 20255412 PMAQI
15th Jul 2025571 PMAQI
15th Jul 2025582 PMAQI
15th Jul 2025563 PMAQI
15th Jul 2025554 PMAQI
15th Jul 2025535 PMAQI
15th Jul 2025556 PMAQI
15th Jul 2025567 PMAQI
15th Jul 2025598 PMAQI
15th Jul 2025609 PMAQI
15th Jul 20255910 PMAQI
15th Jul 20256011 PMAQI
16th Jul 20255912 AMAQI
16th Jul 2025611 AMAQI
16th Jul 2025602 AMAQI
16th Jul 2025603 AMAQI
23°C19/27°C
16th Jul 2025584 AMAQI
16th Jul 2025595 AMAQI
16th Jul 2025596 AMAQI
16th Jul 2025597 AMAQI
16th Jul 2025468 AMAQI
16th Jul 2025399 AMAQI
16th Jul 20255010 AMAQI
16th Jul 20255211 AMAQI
16th Jul 20255812 PMAQI
16th Jul 2025581 PMAQI
16th Jul 2025592 PMAQI
16th Jul 2025553 PMAQI
16th Jul 2025564 PMAQI
16th Jul 2025555 PMAQI
16th Jul 2025536 PMAQI
16th Jul 2025567 PMAQI
16th Jul 2025608 PMAQI
16th Jul 2025599 PMAQI
16th Jul 20256010 PMAQI
16th Jul 20255811 PMAQI
17th Jul 20255912 AMAQI
17th Jul 2025591 AMAQI
17th Jul 2025602 AMAQI
17th Jul 2025593 AMAQI
23°C20/26°C
17th Jul 2025594 AMAQI
17th Jul 2025595 AMAQI
17th Jul 2025596 AMAQI
17th Jul 2025597 AMAQI
17th Jul 2025548 AMAQI
17th Jul 2025529 AMAQI
17th Jul 20253910 AMAQI
17th Jul 20254211 AMAQI
17th Jul 20255012 PMAQI
17th Jul 2025521 PMAQI
17th Jul 2025502 PMAQI
17th Jul 2025443 PMAQI
17th Jul 2025514 PMAQI
17th Jul 2025495 PMAQI
17th Jul 2025486 PMAQI
17th Jul 2025547 PMAQI
17th Jul 2025578 PMAQI
17th Jul 2025589 PMAQI
17th Jul 20255810 PMAQI
17th Jul 20255911 PMAQI
18th Jul 20256012 AMAQI
18th Jul 2025601 AMAQI
18th Jul 2025602 AMAQI
18th Jul 2025593 AMAQI
24°C21/29°C
18th Jul 2025584 AMAQI
18th Jul 2025585 AMAQI
18th Jul 2025576 AMAQI
18th Jul 2025587 AMAQI
18th Jul 2025688 AMAQI
18th Jul 2025649 AMAQI
18th Jul 20256210 AMAQI
18th Jul 20255811 AMAQI
18th Jul 20255712 PMAQI
18th Jul 2025551 PMAQI
18th Jul 2025542 PMAQI
18th Jul 2025533 PMAQI
18th Jul 2025534 PMAQI
18th Jul 2025505 PMAQI
18th Jul 2025496 PMAQI
18th Jul 2025517 PMAQI
18th Jul 2025568 PMAQI
18th Jul 2025589 PMAQI
18th Jul 20255810 PMAQI
18th Jul 20255711 PMAQI
19th Jul 20255812 AMAQI
19th Jul 2025601 AMAQI
19th Jul 2025602 AMAQI
19th Jul 2025593 AMAQI
26°C23/30°C
19th Jul 2025594 AMAQI
19th Jul 2025605 AMAQI
19th Jul 2025606 AMAQI
19th Jul 2025607 AMAQI
19th Jul 2025608 AMAQI
19th Jul 2025489 AMAQI
19th Jul 20253510 AMAQI
19th Jul 20254011 AMAQI
19th Jul 20253712 PMAQI
19th Jul 2025381 PMAQI
19th Jul 2025392 PMAQI
19th Jul 2025413 PMAQI
19th Jul 2025454 PMAQI
19th Jul 2025465 PMAQI
19th Jul 2025436 PMAQI
19th Jul 2025467 PMAQI
19th Jul 2025588 PMAQI
19th Jul 2025589 PMAQI
19th Jul 20256010 PMAQI
19th Jul 20255811 PMAQI
20th Jul 20255812 AMAQI
20th Jul 2025601 AMAQI
20th Jul 2025582 AMAQI
20th Jul 2025583 AMAQI
26°C23/30°C
20th Jul 2025564 AMAQI
20th Jul 2025565 AMAQI
20th Jul 2025566 AMAQI
20th Jul 2025567 AMAQI
20th Jul 2025568 AMAQI
20th Jul 2025549 AMAQI
20th Jul 20255210 AMAQI
20th Jul 20255411 AMAQI
20th Jul 20255512 PMAQI
20th Jul 2025561 PMAQI
20th Jul 2025512 PMAQI
20th Jul 2025543 PMAQI
20th Jul 2025464 PMAQI
20th Jul 2025435 PMAQI
20th Jul 2025426 PMAQI
20th Jul 2025497 PMAQI
20th Jul 2025558 PMAQI
20th Jul 2025579 PMAQI
20th Jul 20255810 PMAQI
20th Jul 20255711 PMAQI
21st Jul 20255612 AMAQI
21st Jul 2025571 AMAQI
21st Jul 2025572 AMAQI
21st Jul 2025583 AMAQI
25°C22/31°C
21st Jul 2025584 AMAQI
21st Jul 2025585 AMAQI
21st Jul 2025576 AMAQI
21st Jul 2025577 AMAQI
21st Jul 2025608 AMAQI
21st Jul 2025559 AMAQI
21st Jul 20255110 AMAQI
21st Jul 20254911 AMAQI
21st Jul 20255312 PMAQI
21st Jul 2025581 PMAQI
21st Jul 2025532 PMAQI
21st Jul 2025503 PMAQI
21st Jul 2025584 PMAQI
21st Jul 2025715 PMAQI
21st Jul 2025746 PMAQI
21st Jul 2025627 PMAQI
21st Jul 2025638 PMAQI
21st Jul 2025659 PMAQI
21st Jul 20256810 PMAQI
21st Jul 20256611 PMAQI
22nd Jul 20256912 AMAQI
22nd Jul 2025571 AMAQI
22nd Jul 2025582 AMAQI
22nd Jul 2025573 AMAQI
25°C22/31°C
22nd Jul 2025564 AMAQI
22nd Jul 2025565 AMAQI
22nd Jul 2025566 AMAQI
22nd Jul 2025567 AMAQI
22nd Jul 2025808 AMAQI
22nd Jul 20251029 AMAQI
22nd Jul 20259710 AMAQI
22nd Jul 20259211 AMAQI
22nd Jul 20258212 PMAQI
22nd Jul 2025801 PMAQI
22nd Jul 2025682 PMAQI
22nd Jul 2025633 PMAQI
22nd Jul 2025604 PMAQI
22nd Jul 2025545 PMAQI
22nd Jul 2025426 PMAQI
22nd Jul 2025477 PMAQI
22nd Jul 2025548 PMAQI
22nd Jul 2025569 PMAQI
22nd Jul 20255710 PMAQI
22nd Jul 20255611 PMAQI
23rd Jul 20255412 AMAQI
23rd Jul 2025581 AMAQI
23rd Jul 2025582 AMAQI
23rd Jul 2025603 AMAQI
26°C22/31°C
23rd Jul 2025644 AMAQI
23rd Jul 2025645 AMAQI
23rd Jul 2025646 AMAQI
23rd Jul 2025647 AMAQI
23rd Jul 2025428 AMAQI
23rd Jul 2025369 AMAQI
23rd Jul 20253810 AMAQI
23rd Jul 20253611 AMAQI
23rd Jul 20253412 PMAQI
23rd Jul 2025371 PMAQI
23rd Jul 2025322 PMAQI
23rd Jul 2025393 PMAQI
23rd Jul 2025504 PMAQI
23rd Jul 2025545 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025527 PMAQI
23rd Jul 2025528 PMAQI
23rd Jul 2025569 PMAQI
23rd Jul 20255410 PMAQI
23rd Jul 20255611 PMAQI
24th Jul 20255412 AMAQI
24th Jul 2025601 AMAQI
24th Jul 2025612 AMAQI
24th Jul 2025593 AMAQI
26°C23/30°C
24th Jul 2025564 AMAQI
24th Jul 2025575 AMAQI
24th Jul 2025576 AMAQI
24th Jul 2025577 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025279 AMAQI
24th Jul 20252710 AMAQI
24th Jul 20253511 AMAQI
24th Jul 20253112 PMAQI
24th Jul 2025391 PMAQI
24th Jul 2025402 PMAQI
24th Jul 2025473 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025506 PMAQI
24th Jul 2025537 PMAQI
24th Jul 2025558 PMAQI
24th Jul 2025579 PMAQI
24th Jul 20255510 PMAQI
24th Jul 20255611 PMAQI
25th Jul 20255312 AMAQI
25th Jul 2025581 AMAQI
25th Jul 2025582 AMAQI
25th Jul 2025563 AMAQI
26°C23/29°C
25th Jul 2025544 AMAQI
25th Jul 2025545 AMAQI
25th Jul 2025546 AMAQI
25th Jul 2025547 AMAQI
25th Jul 2025558 AMAQI
25th Jul 2025609 AMAQI
25th Jul 20256010 AMAQI
25th Jul 20256011 AMAQI
25th Jul 20255912 PMAQI
25th Jul 2025581 PMAQI
25th Jul 2025582 PMAQI
25th Jul 2025573 PMAQI
25th Jul 2025604 PMAQI
25th Jul 2025615 PMAQI
25th Jul 2025576 PMAQI
25th Jul 2025617 PMAQI
25th Jul 2025558 PMAQI
25th Jul 2025569 PMAQI
25th Jul 20255710 PMAQI
25th Jul 20255611 PMAQI
26th Jul 20255712 AMAQI
26th Jul 2025551 AMAQI
26th Jul 2025562 AMAQI
26th Jul 2025563 AMAQI
27°C24/30°C
26th Jul 2025564 AMAQI
26th Jul 2025565 AMAQI
26th Jul 2025566 AMAQI
26th Jul 2025567 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025569 AMAQI
26th Jul 20256110 AMAQI
26th Jul 20255411 AMAQI
26th Jul 20255512 PMAQI
26th Jul 2025601 PMAQI
26th Jul 2025612 PMAQI
26th Jul 2025633 PMAQI
26th Jul 2025664 PMAQI
26th Jul 2025705 PMAQI
26th Jul 2025746 PMAQI
26th Jul 2025687 PMAQI
26th Jul 2025648 PMAQI
26th Jul 2025629 PMAQI
26th Jul 20256210 PMAQI
26th Jul 20255911 PMAQI
27th Jul 20255812 AMAQI
27th Jul 2025571 AMAQI
27th Jul 2025572 AMAQI
27th Jul 2025563 AMAQI
27°C23/31°C
27th Jul 2025564 AMAQI
27th Jul 2025565 AMAQI
27th Jul 2025576 AMAQI
27th Jul 2025577 AMAQI
27th Jul 2025588 AMAQI
27th Jul 2025569 AMAQI
27th Jul 20255710 AMAQI
27th Jul 20255411 AMAQI
27th Jul 20255112 PMAQI
27th Jul 2025561 PMAQI
27th Jul 2025542 PMAQI
27th Jul 2025583 PMAQI
27th Jul 2025654 PMAQI
27th Jul 2025685 PMAQI
27th Jul 2025596 PMAQI
27th Jul 2025617 PMAQI
27th Jul 2025628 PMAQI
27th Jul 2025619 PMAQI
27th Jul 20255910 PMAQI
27th Jul 20256211 PMAQI
28th Jul 20255712 AMAQI
28th Jul 2025571 AMAQI
28th Jul 2025582 AMAQI
28th Jul 2025563 AMAQI
27°C24/32°C
28th Jul 2025564 AMAQI
28th Jul 2025555 AMAQI
28th Jul 2025566 AMAQI
28th Jul 2025557 AMAQI
28th Jul 2025568 AMAQI
28th Jul 2025459 AMAQI
28th Jul 20254310 AMAQI
28th Jul 20254311 AMAQI
28th Jul 20254612 PMAQI
28th Jul 2025451 PMAQI
28th Jul 2025482 PMAQI
28th Jul 2025473 PMAQI
28th Jul 2025444 PMAQI
28th Jul 2025485 PMAQI
28th Jul 2025566 PMAQI
28th Jul 2025617 PMAQI
28th Jul 2025628 PMAQI
28th Jul 2025649 PMAQI
28th Jul 20256610 PMAQI
28th Jul 20256611 PMAQI
29th Jul 20256412 AMAQI
29th Jul 2025581 AMAQI
29th Jul 2025582 AMAQI
29th Jul 2025573 AMAQI
28°C25/33°C
29th Jul 2025584 AMAQI
29th Jul 2025585 AMAQI
29th Jul 2025576 AMAQI
29th Jul 2025587 AMAQI
29th Jul 2025508 AMAQI
29th Jul 2025399 AMAQI
29th Jul 20252810 AMAQI
29th Jul 20253211 AMAQI
29th Jul 20254812 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025463 PMAQI
29th Jul 2025404 PMAQI
29th Jul 2025385 PMAQI
29th Jul 2025386 PMAQI
29th Jul 2025407 PMAQI
29th Jul 2025508 PMAQI
29th Jul 2025519 PMAQI
29th Jul 20255110 PMAQI
29th Jul 20254911 PMAQI
30th Jul 20255212 AMAQI
30th Jul 2025581 AMAQI
30th Jul 2025582 AMAQI
30th Jul 2025593 AMAQI
26°C23/30°C
30th Jul 2025564 AMAQI
30th Jul 2025575 AMAQI
30th Jul 2025566 AMAQI
30th Jul 2025567 AMAQI
30th Jul 2025488 AMAQI
30th Jul 2025499 AMAQI
30th Jul 20254610 AMAQI
30th Jul 20254311 AMAQI
30th Jul 20254412 PMAQI
30th Jul 2025511 PMAQI
30th Jul 2025472 PMAQI
30th Jul 2025443 PMAQI
30th Jul 2025404 PMAQI
30th Jul 2025525 PMAQI
30th Jul 2025546 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025548 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255711 PMAQI
31st Jul 20255712 AMAQI
31st Jul 2025571 AMAQI
31st Jul 2025562 AMAQI
31st Jul 2025573 AMAQI
26°C22/30°C
31st Jul 2025574 AMAQI
31st Jul 2025575 AMAQI
31st Jul 2025576 AMAQI
31st Jul 2025577 AMAQI
31st Jul 2025578 AMAQI
31st Jul 2025579 AMAQI
31st Jul 20255510 AMAQI
31st Jul 20255411 AMAQI
31st Jul 20255312 PMAQI
31st Jul 2025531 PMAQI
31st Jul 2025522 PMAQI
31st Jul 2025513 PMAQI
31st Jul 2025504 PMAQI
31st Jul 2025485 PMAQI
31st Jul 2025426 PMAQI
31st Jul 2025527 PMAQI
31st Jul 2025628 PMAQI
31st Jul 2025659 PMAQI
31st Jul 20256110 PMAQI
31st Jul 20256611 PMAQI
1st Aug 20256212 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025572 AMAQI
1st Aug 2025583 AMAQI
26°C22/30°C
1st Aug 2025584 AMAQI
1st Aug 2025605 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025668 AMAQI
1st Aug 2025659 AMAQI
1st Aug 20256710 AMAQI
1st Aug 20256111 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025631 PMAQI
1st Aug 2025602 PMAQI
1st Aug 2025603 PMAQI
1st Aug 2025604 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025597 PMAQI
1st Aug 2025598 PMAQI
1st Aug 2025659 PMAQI
1st Aug 20256110 PMAQI
1st Aug 20256411 PMAQI
2nd Aug 20256012 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025572 AMAQI
2nd Aug 2025583 AMAQI
27°C23/31°C
2nd Aug 2025604 AMAQI
2nd Aug 2025595 AMAQI
2nd Aug 2025596 AMAQI
2nd Aug 2025597 AMAQI
2nd Aug 2025588 AMAQI
2nd Aug 2025679 AMAQI
2nd Aug 20256310 AMAQI
2nd Aug 20255811 AMAQI
2nd Aug 20256212 PMAQI
2nd Aug 2025641 PMAQI
2nd Aug 2025602 PMAQI
2nd Aug 2025583 PMAQI
2nd Aug 2025614 PMAQI
2nd Aug 2025645 PMAQI
2nd Aug 2025646 PMAQI
2nd Aug 2025637 PMAQI
2nd Aug 2025628 PMAQI
2nd Aug 2025629 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20256211 PMAQI
3rd Aug 20256212 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025603 AMAQI
27°C22/31°C
3rd Aug 2025594 AMAQI
3rd Aug 2025595 AMAQI
3rd Aug 2025606 AMAQI
3rd Aug 2025597 AMAQI
3rd Aug 2025588 AMAQI
3rd Aug 2025609 AMAQI
3rd Aug 20255510 AMAQI
3rd Aug 20255711 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025571 PMAQI
3rd Aug 2025552 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025604 PMAQI
3rd Aug 2025585 PMAQI
3rd Aug 2025506 PMAQI
3rd Aug 2025547 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255912 AMAQI
4th Aug 2025591 AMAQI
4th Aug 2025582 AMAQI
--°C/°C
4 AM
11 AM
7 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 9 AM
60AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
10 AM - 7 PM
55AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 9 AM (Avg. 60), while the lowest AQI was between 10 AM to 7 PM (Avg. 55).
Night time
Avg. Highest Time
12 AM - 11 PM
61AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
61AQI
8 hours / Day
240 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
Beidaihe Environmental Protection Bureau, Qinhuangdao, Hebei, China
2025
1%
3
48%
102
49%
104
2%
5
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
3 DaysModerate
102 DaysPoor
104 DaysUnhealthy
5 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 1%
Health Risk Level:
Extreme
In 2025, 1% of 215 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
Beidaihe Environmental Protection Bureau, Qinhuangdao, Hebei, 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
71AQI
71AQI
2nd January 2025
66AQI
66AQI
3rd January 2025
61AQI
61AQI
4th January 2025
120AQI
120AQI
5th January 2025
104AQI
104AQI
6th January 2025
75AQI
75AQI
7th January 2025
63AQI
63AQI
8th January 2025
51AQI
51AQI
9th January 2025
51AQI
51AQI
10th January 2025
60AQI
60AQI
11th January 2025
68AQI
68AQI
12th January 2025
82AQI
82AQI
13th January 2025
98AQI
98AQI
14th January 2025
62AQI
62AQI
15th January 2025
65AQI
65AQI
16th January 2025
63AQI
63AQI
17th January 2025
91AQI
91AQI
18th January 2025
131AQI
131AQI
19th January 2025
87AQI
87AQI
20th January 2025
126AQI
126AQI
21st January 2025
82AQI
82AQI
22nd January 2025
101AQI
101AQI
23rd January 2025
103AQI
103AQI
24th January 2025
138AQI
138AQI
25th January 2025
132AQI
132AQI
26th January 2025
149AQI
149AQI
27th January 2025
78AQI
78AQI
28th January 2025
104AQI
104AQI
29th January 2025
107AQI
107AQI
30th January 2025
90AQI
90AQI
31st January 2025
101AQI
101AQI
1st February 2025
111AQI
111AQI
2nd February 2025
135AQI
135AQI
3rd February 2025
71AQI
71AQI
4th February 2025
75AQI
75AQI
5th February 2025
57AQI
57AQI
6th February 2025
66AQI
66AQI
7th February 2025
48AQI
48AQI
8th February 2025
54AQI
54AQI
9th February 2025
66AQI
66AQI
10th February 2025
112AQI
112AQI
11th February 2025
131AQI
131AQI
12th February 2025
85AQI
85AQI
13th February 2025
121AQI
121AQI
14th February 2025
126AQI
126AQI
15th February 2025
119AQI
119AQI
16th February 2025
79AQI
79AQI
17th February 2025
76AQI
76AQI
18th February 2025
74AQI
74AQI
19th February 2025
73AQI
73AQI
20th February 2025
72AQI
72AQI
21st February 2025
65AQI
65AQI
22nd February 2025
68AQI
68AQI
23rd February 2025
58AQI
58AQI
24th February 2025
75AQI
75AQI
25th February 2025
92AQI
92AQI
26th February 2025
89AQI
89AQI
27th February 2025
149AQI
149AQI
28th February 2025
171AQI
171AQI
1st March 2025
161AQI
161AQI
2nd March 2025
105AQI
105AQI
3rd March 2025
92AQI
92AQI
4th March 2025
103AQI
103AQI
5th March 2025
124AQI
124AQI
6th March 2025
78AQI
78AQI
7th March 2025
104AQI
104AQI
8th March 2025
133AQI
133AQI
9th March 2025
160AQI
160AQI
10th March 2025
159AQI
159AQI
11th March 2025
169AQI
169AQI
12th March 2025
96AQI
96AQI
13th March 2025
106AQI
106AQI
14th March 2025
83AQI
83AQI
15th March 2025
84AQI
84AQI
16th March 2025
64AQI
64AQI
17th March 2025
69AQI
69AQI
18th March 2025
64AQI
64AQI
19th March 2025
75AQI
75AQI
20th March 2025
60AQI
60AQI
21st March 2025
61AQI
61AQI
22nd March 2025
63AQI
63AQI
23rd March 2025
95AQI
95AQI
24th March 2025
66AQI
66AQI
25th March 2025
102AQI
102AQI
26th March 2025
138AQI
138AQI
27th March 2025
120AQI
120AQI
28th March 2025
123AQI
123AQI
29th March 2025
106AQI
106AQI
30th March 2025
112AQI
112AQI
31st March 2025
130AQI
130AQI
1st April 2025
132AQI
132AQI
2nd April 2025
117AQI
117AQI
3rd April 2025
129AQI
129AQI
4th April 2025
131AQI
131AQI
5th April 2025
113AQI
113AQI
6th April 2025
128AQI
128AQI
7th April 2025
137AQI
137AQI
8th April 2025
118AQI
118AQI
9th April 2025
126AQI
126AQI
10th April 2025
136AQI
136AQI
11th April 2025
138AQI
138AQI
12th April 2025
117AQI
117AQI
13th April 2025
109AQI
109AQI
14th April 2025
106AQI
106AQI
15th April 2025
113AQI
113AQI
16th April 2025
122AQI
122AQI
17th April 2025
126AQI
126AQI
18th April 2025
117AQI
117AQI
19th April 2025
125AQI
125AQI
20th April 2025
128AQI
128AQI
21st April 2025
134AQI
134AQI
22nd April 2025
106AQI
106AQI
23rd April 2025
120AQI
120AQI
24th April 2025
99AQI
99AQI
25th April 2025
109AQI
109AQI
26th April 2025
122AQI
122AQI
27th April 2025
106AQI
106AQI
28th April 2025
120AQI
120AQI
29th April 2025
122AQI
122AQI
30th April 2025
123AQI
123AQI
1st May 2025
107AQI
107AQI
2nd May 2025
110AQI
110AQI
3rd May 2025
98AQI
98AQI
4th May 2025
98AQI
98AQI
5th May 2025
104AQI
104AQI
6th May 2025
102AQI
102AQI
7th May 2025
115AQI
115AQI
8th May 2025
109AQI
109AQI
9th May 2025
97AQI
97AQI
10th May 2025
104AQI
104AQI
11th May 2025
119AQI
119AQI
12th May 2025
123AQI
123AQI
13th May 2025
124AQI
124AQI
14th May 2025
122AQI
122AQI
15th May 2025
124AQI
124AQI
16th May 2025
126AQI
126AQI
17th May 2025
111AQI
111AQI
18th May 2025
107AQI
107AQI
19th May 2025
120AQI
120AQI
20th May 2025
132AQI
132AQI
21st May 2025
125AQI
125AQI
22nd May 2025
139AQI
139AQI
23rd May 2025
120AQI
120AQI
24th May 2025
112AQI
112AQI
25th May 2025
119AQI
119AQI
26th May 2025
118AQI
118AQI
27th May 2025
120AQI
120AQI
28th May 2025
122AQI
122AQI
29th May 2025
115AQI
115AQI
30th May 2025
125AQI
125AQI
31st May 2025
134AQI
134AQI
1st June 2025
127AQI
127AQI
2nd June 2025
125AQI
125AQI
3rd June 2025
108AQI
108AQI
4th June 2025
106AQI
106AQI
5th June 2025
107AQI
107AQI
6th June 2025
104AQI
104AQI
7th June 2025
106AQI
106AQI
8th June 2025
104AQI
104AQI
9th June 2025
102AQI
102AQI
10th June 2025
103AQI
103AQI
11th June 2025
111AQI
111AQI
12th June 2025
107AQI
107AQI
13th June 2025
102AQI
102AQI
14th June 2025
104AQI
104AQI
15th June 2025
99AQI
99AQI
16th June 2025
91AQI
91AQI
17th June 2025
92AQI
92AQI
18th June 2025
68AQI
68AQI
19th June 2025
66AQI
66AQI
20th June 2025
61AQI
61AQI
21st June 2025
57AQI
57AQI
22nd June 2025
52AQI
52AQI
23rd June 2025
62AQI
62AQI
24th June 2025
63AQI
63AQI
25th June 2025
62AQI
62AQI
26th June 2025
68AQI
68AQI
27th June 2025
65AQI
65AQI
28th June 2025
69AQI
69AQI
29th June 2025
77AQI
77AQI
30th June 2025
71AQI
71AQI
1st July 2025
68AQI
68AQI
2nd July 2025
72AQI
72AQI
3rd July 2025
61AQI
61AQI
4th July 2025
72AQI
72AQI
5th July 2025
72AQI
72AQI
6th July 2025
61AQI
61AQI
7th July 2025
63AQI
63AQI
8th July 2025
62AQI
62AQI
9th July 2025
63AQI
63AQI
10th July 2025
65AQI
65AQI
11th July 2025
63AQI
63AQI
12th July 2025
63AQI
63AQI
13th July 2025
60AQI
60AQI
14th July 2025
58AQI
58AQI
15th July 2025
58AQI
58AQI
16th July 2025
57AQI
57AQI
17th July 2025
54AQI
54AQI
18th July 2025
57AQI
57AQI
19th July 2025
52AQI
52AQI
20th July 2025
54AQI
54AQI
21st July 2025
60AQI
60AQI
22nd July 2025
63AQI
63AQI
23rd July 2025
52AQI
52AQI
24th July 2025
50AQI
50AQI
25th July 2025
57AQI
57AQI
26th July 2025
60AQI
60AQI
27th July 2025
58AQI
58AQI
28th July 2025
55AQI
55AQI
29th July 2025
49AQI
49AQI
30th July 2025
53AQI
53AQI
31st July 2025
56AQI
56AQI
1st August 2025
60AQI
60AQI
2nd August 2025
60AQI
60AQI
90AQI
90AQI
103AQI
121AQI
116AQI
88AQI
60AQI
60AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202595AQI
19
12
1
18
8
1
14
13
4
1
29
3
28
16
14
2
29
2
3
102
104
5
Highest AQI recorded in
April121AQI
Lowest AQI recorded in
July60AQI
202471AQI
1
10
4
1
1
1
1
1
1
1
11
2
28
3
28
6
25
15
13
1
7
16
6
2
2
20
8
2
25
4
40
178
25
3
Highest AQI recorded in
February139AQI
Lowest AQI recorded in
September53AQI
2023100AQI
6
11
9
2
4
8
10
6
7
3
3
3
18
8
5
10
47
30
16
Highest AQI recorded in
March111AQI
Lowest AQI recorded in
November60AQI
202280AQI
1
14
12
4
3
8
6
4
3
19
8
1
2
10
4
1
5
20
6
10
19
1
9
14
1
11
11
5
1
10
11
6
3
9
11
4
6
9
19
2
1
72
156
55
21
Highest AQI recorded in
January109AQI
Lowest AQI recorded in
July55AQI
202188AQI
15
11
3
2
10
8
10
1
6
13
7
3
1
1
14
7
3
3
17
6
1
1
3
25
2
19
12
4
25
2
13
14
2
6
16
5
4
3
14
8
3
2
9
12
7
3
62
180
71
34
8
1
Highest AQI recorded in
March140AQI
Lowest AQI recorded in
July39AQI
202081AQI
1
1
1
3
1
1
4
10
2
2
22
4
7
19
5
10
19
2
11
13
4
4
12
9
6
5
17
3
5
19
8
4
43
135
39
17
Highest AQI recorded in
March126AQI
Lowest AQI recorded in
September60AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
100AQILeast Polluted Year Recorded
2024(Avg.)
71AQIBeidaihe Environmental Protection Bureau's annual 2025 AQI (95) shows an average percentage change of 14.6% (worsened AQI) compared to previous years: 2020 (81), 2021 (88), 2022 (80), 2023 (100), 2024 (71).
