Beidaihe, 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, Qinhuangdao, Hebei, China
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2024
111AQILowest AQI recorded on
27th Aug 2023
31AQISame Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 72 of Moderate air quality, showing improvement over 2023 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Beidaihe, Qinhuangdao, Hebei, China
AQI
Day
Night
.
5 AM15th Aug 2026
7 PM
4 AM16th Aug 2026
Day time
Avg. Highest Time
7AM15th Aug
73AQI
Avg. Lowest Time
2PM15th Aug
38AQI
Night time
Avg. Highest Time
4AM16th Aug
86AQI
Avg. Lowest Time
11PM15th Aug
57AQI
In the last 24 hours,
Beidaihe's AQI reached its highest point of 86 at 4 AM during the Night, while the lowest point, 38, was recorded at 2 PM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Beidaihe, Qinhuangdao, Hebei, China
JulAug
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 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
Day
Night
18th Jul 2026495 AMAQI
18th Jul 2026536 AMAQI
18th Jul 2026567 AMAQI
18th Jul 2026548 AMAQI
18th Jul 2026499 AMAQI
18th Jul 20264210 AMAQI
18th Jul 20264011 AMAQI
18th Jul 20265412 PMAQI
18th Jul 2026481 PMAQI
18th Jul 2026442 PMAQI
18th Jul 2026313 PMAQI
18th Jul 2026464 PMAQI
18th Jul 2026445 PMAQI
18th Jul 2026386 PMAQI
18th Jul 2026387 PMAQI
18th Jul 2026488 PMAQI
18th Jul 2026579 PMAQI
18th Jul 20266310 PMAQI
18th Jul 20267211 PMAQI
19th Jul 20266212 AMAQI
19th Jul 2026671 AMAQI
19th Jul 2026642 AMAQI
19th Jul 2026653 AMAQI
19th Jul 2026714 AMAQI
25°C21/29°C
19th Jul 2026755 AMAQI
19th Jul 2026666 AMAQI
19th Jul 2026627 AMAQI
19th Jul 2026338 AMAQI
19th Jul 2026259 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20262111 AMAQI
19th Jul 20264012 PMAQI
19th Jul 2026421 PMAQI
19th Jul 2026252 PMAQI
19th Jul 2026313 PMAQI
19th Jul 2026284 PMAQI
19th Jul 2026215 PMAQI
19th Jul 2026266 PMAQI
19th Jul 2026307 PMAQI
19th Jul 2026448 PMAQI
19th Jul 2026519 PMAQI
19th Jul 20264210 PMAQI
19th Jul 20263111 PMAQI
20th Jul 20265212 AMAQI
20th Jul 2026511 AMAQI
20th Jul 2026542 AMAQI
20th Jul 2026553 AMAQI
20th Jul 2026604 AMAQI
24°C21/27°C
20th Jul 2026685 AMAQI
20th Jul 2026676 AMAQI
20th Jul 2026637 AMAQI
20th Jul 2026718 AMAQI
20th Jul 2026739 AMAQI
20th Jul 20267210 AMAQI
20th Jul 20266611 AMAQI
20th Jul 20265812 PMAQI
20th Jul 2026551 PMAQI
20th Jul 2026672 PMAQI
20th Jul 2026703 PMAQI
20th Jul 2026824 PMAQI
20th Jul 2026665 PMAQI
20th Jul 2026626 PMAQI
20th Jul 2026647 PMAQI
20th Jul 2026608 PMAQI
20th Jul 2026599 PMAQI
20th Jul 20263810 PMAQI
20th Jul 20264611 PMAQI
21st Jul 20265912 AMAQI
21st Jul 2026761 AMAQI
21st Jul 2026562 AMAQI
21st Jul 2026583 AMAQI
21st Jul 2026564 AMAQI
24°C21/27°C
21st Jul 2026595 AMAQI
21st Jul 2026656 AMAQI
21st Jul 2026677 AMAQI
21st Jul 2026628 AMAQI
21st Jul 2026539 AMAQI
21st Jul 20265210 AMAQI
21st Jul 20265612 PMAQI
21st Jul 2026551 PMAQI
21st Jul 2026462 PMAQI
21st Jul 2026363 PMAQI
21st Jul 2026384 PMAQI
21st Jul 2026505 PMAQI
21st Jul 2026966 PMAQI
21st Jul 2026637 PMAQI
21st Jul 2026648 PMAQI
21st Jul 2026659 PMAQI
21st Jul 20266510 PMAQI
21st Jul 20266511 PMAQI
22nd Jul 20266912 AMAQI
22nd Jul 2026701 AMAQI
22nd Jul 2026742 AMAQI
22nd Jul 2026743 AMAQI
22nd Jul 2026874 AMAQI
25°C21/29°C
22nd Jul 2026925 AMAQI
22nd Jul 2026786 AMAQI
22nd Jul 2026717 AMAQI
22nd Jul 2026488 AMAQI
22nd Jul 2026539 AMAQI
22nd Jul 20266010 AMAQI
22nd Jul 20265811 AMAQI
22nd Jul 20265712 PMAQI
22nd Jul 2026341 PMAQI
22nd Jul 2026292 PMAQI
22nd Jul 2026463 PMAQI
22nd Jul 2026424 PMAQI
22nd Jul 2026425 PMAQI
22nd Jul 2026336 PMAQI
22nd Jul 2026367 PMAQI
22nd Jul 2026408 PMAQI
22nd Jul 2026329 PMAQI
22nd Jul 20264210 PMAQI
22nd Jul 20263111 PMAQI
23rd Jul 20263812 AMAQI
23rd Jul 2026321 AMAQI
23rd Jul 2026422 AMAQI
23rd Jul 2026423 AMAQI
23rd Jul 2026264 AMAQI
25°C22/28°C
23rd Jul 2026275 AMAQI
23rd Jul 2026326 AMAQI
23rd Jul 2026327 AMAQI
23rd Jul 2026368 AMAQI
23rd Jul 2026289 AMAQI
23rd Jul 20265810 AMAQI
23rd Jul 20262311 AMAQI
23rd Jul 20264012 PMAQI
23rd Jul 2026581 PMAQI
23rd Jul 2026442 PMAQI
23rd Jul 2026573 PMAQI
23rd Jul 2026514 PMAQI
23rd Jul 2026405 PMAQI
23rd Jul 2026386 PMAQI
23rd Jul 2026427 PMAQI
23rd Jul 2026558 PMAQI
23rd Jul 2026649 PMAQI
23rd Jul 20267410 PMAQI
23rd Jul 20266711 PMAQI
24th Jul 20267412 AMAQI
24th Jul 2026661 AMAQI
24th Jul 2026712 AMAQI
24th Jul 2026603 AMAQI
24th Jul 2026454 AMAQI
25°C22/28°C
24th Jul 2026445 AMAQI
24th Jul 2026466 AMAQI
24th Jul 2026567 AMAQI
24th Jul 2026488 AMAQI
24th Jul 2026589 AMAQI
24th Jul 20265310 AMAQI
24th Jul 20263811 AMAQI
24th Jul 20264412 PMAQI
24th Jul 2026361 PMAQI
24th Jul 2026402 PMAQI
24th Jul 2026503 PMAQI
24th Jul 2026464 PMAQI
24th Jul 2026405 PMAQI
24th Jul 2026546 PMAQI
24th Jul 2026467 PMAQI
24th Jul 2026308 PMAQI
24th Jul 2026399 PMAQI
24th Jul 20265010 PMAQI
24th Jul 20265311 PMAQI
25th Jul 20264412 AMAQI
25th Jul 2026461 AMAQI
25th Jul 2026572 AMAQI
25th Jul 2026653 AMAQI
25th Jul 2026524 AMAQI
25°C22/27°C
25th Jul 2026505 AMAQI
25th Jul 2026536 AMAQI
25th Jul 2026537 AMAQI
25th Jul 2026598 AMAQI
25th Jul 2026459 AMAQI
25th Jul 20263210 AMAQI
25th Jul 20265211 AMAQI
25th Jul 20263112 PMAQI
25th Jul 2026311 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026213 PMAQI
25th Jul 2026314 PMAQI
25th Jul 2026305 PMAQI
25th Jul 2026276 PMAQI
25th Jul 2026347 PMAQI
25th Jul 2026328 PMAQI
25th Jul 2026329 PMAQI
25th Jul 20263810 PMAQI
25th Jul 20263411 PMAQI
26th Jul 20263312 AMAQI
26th Jul 2026321 AMAQI
26th Jul 2026482 AMAQI
26th Jul 2026493 AMAQI
26th Jul 2026424 AMAQI
26°C23/29°C
26th Jul 2026455 AMAQI
26th Jul 2026426 AMAQI
26th Jul 2026517 AMAQI
26th Jul 2026428 AMAQI
26th Jul 2026429 AMAQI
26th Jul 20264710 AMAQI
26th Jul 20265211 AMAQI
26th Jul 20264212 PMAQI
26th Jul 2026341 PMAQI
26th Jul 2026272 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026344 PMAQI
26th Jul 2026405 PMAQI
26th Jul 2026446 PMAQI
26th Jul 2026527 PMAQI
26th Jul 2026538 PMAQI
26th Jul 2026539 PMAQI
26th Jul 20265210 PMAQI
26th Jul 20265811 PMAQI
27th Jul 20266212 AMAQI
27th Jul 2026651 AMAQI
27th Jul 2026642 AMAQI
27th Jul 2026583 AMAQI
27th Jul 2026584 AMAQI
25°C23/28°C
27th Jul 2026605 AMAQI
27th Jul 2026556 AMAQI
27th Jul 2026597 AMAQI
27th Jul 2026608 AMAQI
27th Jul 2026609 AMAQI
27th Jul 20266610 AMAQI
27th Jul 20267611 AMAQI
27th Jul 20267812 PMAQI
27th Jul 2026761 PMAQI
27th Jul 2026762 PMAQI
27th Jul 2026753 PMAQI
27th Jul 2026814 PMAQI
27th Jul 2026815 PMAQI
27th Jul 2026756 PMAQI
27th Jul 2026767 PMAQI
27th Jul 2026808 PMAQI
27th Jul 2026629 PMAQI
27th Jul 20267610 PMAQI
27th Jul 20268411 PMAQI
28th Jul 20268512 AMAQI
28th Jul 2026861 AMAQI
28th Jul 2026862 AMAQI
28th Jul 2026823 AMAQI
28th Jul 2026834 AMAQI
26°C23/29°C
28th Jul 2026855 AMAQI
28th Jul 2026926 AMAQI
28th Jul 20261007 AMAQI
28th Jul 2026908 AMAQI
28th Jul 20261049 AMAQI
28th Jul 202610410 AMAQI
28th Jul 202610511 AMAQI
28th Jul 202612212 PMAQI
28th Jul 20261241 PMAQI
28th Jul 20261122 PMAQI
28th Jul 2026933 PMAQI
28th Jul 2026854 PMAQI
28th Jul 2026975 PMAQI
28th Jul 2026986 PMAQI
28th Jul 2026927 PMAQI
28th Jul 2026808 PMAQI
28th Jul 2026649 PMAQI
28th Jul 20265510 PMAQI
28th Jul 20266211 PMAQI
29th Jul 20267212 AMAQI
29th Jul 2026711 AMAQI
29th Jul 2026702 AMAQI
29th Jul 2026693 AMAQI
29th Jul 2026784 AMAQI
27°C24/31°C
29th Jul 2026885 AMAQI
29th Jul 2026856 AMAQI
29th Jul 2026787 AMAQI
29th Jul 2026708 AMAQI
29th Jul 2026669 AMAQI
29th Jul 20267810 AMAQI
29th Jul 202610011 AMAQI
29th Jul 202610212 PMAQI
29th Jul 2026961 PMAQI
29th Jul 2026882 PMAQI
29th Jul 2026763 PMAQI
29th Jul 2026804 PMAQI
29th Jul 2026805 PMAQI
29th Jul 2026766 PMAQI
29th Jul 2026627 PMAQI
29th Jul 2026628 PMAQI
29th Jul 2026669 PMAQI
29th Jul 20266810 PMAQI
29th Jul 20267111 PMAQI
30th Jul 20267612 AMAQI
30th Jul 2026831 AMAQI
30th Jul 2026802 AMAQI
30th Jul 2026803 AMAQI
30th Jul 2026904 AMAQI
28°C24/32°C
30th Jul 2026865 AMAQI
30th Jul 2026866 AMAQI
30th Jul 2026817 AMAQI
30th Jul 2026828 AMAQI
30th Jul 2026749 AMAQI
30th Jul 20266810 AMAQI
30th Jul 20264911 AMAQI
30th Jul 20265712 PMAQI
30th Jul 2026601 PMAQI
30th Jul 2026582 PMAQI
30th Jul 2026543 PMAQI
30th Jul 2026604 PMAQI
30th Jul 2026505 PMAQI
30th Jul 2026516 PMAQI
30th Jul 2026577 PMAQI
30th Jul 2026628 PMAQI
30th Jul 2026809 PMAQI
30th Jul 20269210 PMAQI
30th Jul 20269211 PMAQI
31st Jul 20269012 AMAQI
31st Jul 2026901 AMAQI
31st Jul 2026822 AMAQI
31st Jul 2026863 AMAQI
31st Jul 2026794 AMAQI
28°C25/31°C
31st Jul 2026735 AMAQI
31st Jul 2026666 AMAQI
31st Jul 2026627 AMAQI
31st Jul 2026668 AMAQI
31st Jul 2026729 AMAQI
31st Jul 20267310 AMAQI
31st Jul 20265311 AMAQI
31st Jul 20266312 PMAQI
31st Jul 2026551 PMAQI
31st Jul 2026562 PMAQI
31st Jul 2026583 PMAQI
31st Jul 2026674 PMAQI
31st Jul 2026565 PMAQI
31st Jul 2026586 PMAQI
31st Jul 2026607 PMAQI
31st Jul 2026708 PMAQI
31st Jul 2026839 PMAQI
31st Jul 20267610 PMAQI
31st Jul 20266711 PMAQI
1st Aug 20266612 AMAQI
1st Aug 2026621 AMAQI
1st Aug 2026582 AMAQI
1st Aug 2026583 AMAQI
1st Aug 2026554 AMAQI
28°C25/32°C
1st Aug 2026485 AMAQI
1st Aug 2026526 AMAQI
1st Aug 2026697 AMAQI
1st Aug 2026728 AMAQI
1st Aug 2026599 AMAQI
1st Aug 20266010 AMAQI
1st Aug 20266211 AMAQI
1st Aug 20266012 PMAQI
1st Aug 2026641 PMAQI
1st Aug 2026652 PMAQI
1st Aug 2026603 PMAQI
1st Aug 2026604 PMAQI
1st Aug 2026675 PMAQI
1st Aug 2026716 PMAQI
1st Aug 2026747 PMAQI
1st Aug 2026828 PMAQI
1st Aug 2026909 PMAQI
1st Aug 20269010 PMAQI
1st Aug 20268211 PMAQI
2nd Aug 20268012 AMAQI
2nd Aug 2026801 AMAQI
2nd Aug 2026822 AMAQI
2nd Aug 2026983 AMAQI
2nd Aug 2026924 AMAQI
29°C26/32°C
2nd Aug 2026925 AMAQI
2nd Aug 2026966 AMAQI
2nd Aug 2026877 AMAQI
2nd Aug 2026788 AMAQI
2nd Aug 2026669 AMAQI
2nd Aug 20265810 AMAQI
2nd Aug 20265411 AMAQI
2nd Aug 20265312 PMAQI
2nd Aug 2026561 PMAQI
2nd Aug 2026552 PMAQI
2nd Aug 2026543 PMAQI
2nd Aug 2026704 PMAQI
2nd Aug 2026695 PMAQI
2nd Aug 2026586 PMAQI
2nd Aug 2026567 PMAQI
2nd Aug 2026688 PMAQI
2nd Aug 2026729 PMAQI
2nd Aug 20267210 PMAQI
2nd Aug 20266411 PMAQI
3rd Aug 20266012 AMAQI
3rd Aug 2026551 AMAQI
3rd Aug 2026582 AMAQI
3rd Aug 2026573 AMAQI
3rd Aug 2026584 AMAQI
29°C26/33°C
3rd Aug 2026645 AMAQI
3rd Aug 2026546 AMAQI
3rd Aug 2026557 AMAQI
3rd Aug 2026608 AMAQI
3rd Aug 2026599 AMAQI
3rd Aug 20265210 AMAQI
3rd Aug 20265111 AMAQI
3rd Aug 20265812 PMAQI
3rd Aug 2026531 PMAQI
3rd Aug 2026512 PMAQI
3rd Aug 2026563 PMAQI
3rd Aug 2026634 PMAQI
3rd Aug 2026625 PMAQI
3rd Aug 2026586 PMAQI
3rd Aug 2026627 PMAQI
3rd Aug 2026678 PMAQI
3rd Aug 2026709 PMAQI
3rd Aug 20268010 PMAQI
3rd Aug 20269511 PMAQI
4th Aug 20269012 AMAQI
4th Aug 2026881 AMAQI
4th Aug 2026852 AMAQI
4th Aug 2026903 AMAQI
4th Aug 2026934 AMAQI
29°C26/32°C
4th Aug 2026835 AMAQI
4th Aug 2026716 AMAQI
4th Aug 2026587 AMAQI
4th Aug 2026448 AMAQI
4th Aug 2026389 AMAQI
4th Aug 20263110 AMAQI
4th Aug 20264011 AMAQI
4th Aug 20264812 PMAQI
4th Aug 2026601 PMAQI
4th Aug 2026602 PMAQI
4th Aug 2026723 PMAQI
4th Aug 2026514 PMAQI
4th Aug 2026365 PMAQI
4th Aug 2026426 PMAQI
4th Aug 2026627 PMAQI
4th Aug 2026788 PMAQI
4th Aug 2026809 PMAQI
4th Aug 20268410 PMAQI
4th Aug 20268311 PMAQI
5th Aug 20267612 AMAQI
5th Aug 2026691 AMAQI
5th Aug 2026642 AMAQI
5th Aug 2026733 AMAQI
5th Aug 2026744 AMAQI
28°C25/32°C
5th Aug 2026655 AMAQI
5th Aug 2026656 AMAQI
5th Aug 2026907 AMAQI
5th Aug 2026838 AMAQI
5th Aug 2026769 AMAQI
5th Aug 20268810 AMAQI
5th Aug 20269011 AMAQI
5th Aug 20268612 PMAQI
5th Aug 2026761 PMAQI
5th Aug 2026532 PMAQI
5th Aug 2026503 PMAQI
5th Aug 2026554 PMAQI
5th Aug 2026565 PMAQI
5th Aug 2026646 PMAQI
5th Aug 2026687 PMAQI
5th Aug 2026668 PMAQI
5th Aug 2026679 PMAQI
5th Aug 20267010 PMAQI
5th Aug 20266411 PMAQI
6th Aug 20267012 AMAQI
6th Aug 2026631 AMAQI
6th Aug 2026802 AMAQI
6th Aug 2026853 AMAQI
6th Aug 20261004 AMAQI
29°C25/32°C
6th Aug 2026905 AMAQI
6th Aug 2026926 AMAQI
6th Aug 2026847 AMAQI
6th Aug 2026858 AMAQI
6th Aug 2026769 AMAQI
6th Aug 20267110 AMAQI
6th Aug 20266211 AMAQI
6th Aug 20266512 PMAQI
6th Aug 2026721 PMAQI
6th Aug 2026752 PMAQI
6th Aug 2026763 PMAQI
6th Aug 2026784 PMAQI
6th Aug 2026765 PMAQI
6th Aug 2026786 PMAQI
6th Aug 2026867 PMAQI
6th Aug 2026968 PMAQI
6th Aug 2026969 PMAQI
6th Aug 202610410 PMAQI
6th Aug 202610211 PMAQI
7th Aug 20269412 AMAQI
7th Aug 2026981 AMAQI
7th Aug 2026792 AMAQI
7th Aug 2026793 AMAQI
7th Aug 2026764 AMAQI
30°C26/34°C
7th Aug 2026725 AMAQI
7th Aug 2026716 AMAQI
7th Aug 2026767 AMAQI
7th Aug 2026708 AMAQI
7th Aug 2026689 AMAQI
7th Aug 20266910 AMAQI
7th Aug 20266611 AMAQI
7th Aug 20266012 PMAQI
7th Aug 2026381 PMAQI
7th Aug 2026302 PMAQI
7th Aug 2026463 PMAQI
7th Aug 2026334 PMAQI
7th Aug 2026325 PMAQI
7th Aug 2026406 PMAQI
7th Aug 2026367 PMAQI
7th Aug 2026448 PMAQI
7th Aug 2026409 PMAQI
7th Aug 20263410 PMAQI
7th Aug 20263211 PMAQI
8th Aug 20262912 AMAQI
8th Aug 2026461 AMAQI
8th Aug 2026292 AMAQI
8th Aug 2026443 AMAQI
8th Aug 2026384 AMAQI
28°C24/31°C
8th Aug 2026285 AMAQI
8th Aug 2026456 AMAQI
8th Aug 2026587 AMAQI
8th Aug 2026298 AMAQI
8th Aug 2026249 AMAQI
8th Aug 20263810 AMAQI
8th Aug 20264611 AMAQI
8th Aug 20262612 PMAQI
8th Aug 2026291 PMAQI
8th Aug 2026382 PMAQI
8th Aug 2026293 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026365 PMAQI
8th Aug 2026246 PMAQI
8th Aug 2026327 PMAQI
8th Aug 2026338 PMAQI
8th Aug 2026469 PMAQI
8th Aug 20265010 PMAQI
8th Aug 20265011 PMAQI
9th Aug 20264012 AMAQI
9th Aug 2026381 AMAQI
9th Aug 2026292 AMAQI
9th Aug 2026333 AMAQI
9th Aug 2026384 AMAQI
23°C19/28°C
9th Aug 2026285 AMAQI
9th Aug 2026446 AMAQI
9th Aug 2026527 AMAQI
9th Aug 2026448 AMAQI
9th Aug 2026609 AMAQI
9th Aug 20265810 AMAQI
9th Aug 20264211 AMAQI
9th Aug 20262712 PMAQI
9th Aug 2026251 PMAQI
9th Aug 2026212 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026274 PMAQI
9th Aug 2026385 PMAQI
9th Aug 2026406 PMAQI
9th Aug 2026687 PMAQI
9th Aug 2026748 PMAQI
9th Aug 2026879 PMAQI
9th Aug 20269210 PMAQI
9th Aug 20269811 PMAQI
10th Aug 20268312 AMAQI
10th Aug 2026871 AMAQI
10th Aug 2026932 AMAQI
10th Aug 2026893 AMAQI
10th Aug 2026644 AMAQI
22°C17/28°C
10th Aug 2026675 AMAQI
10th Aug 2026586 AMAQI
10th Aug 2026667 AMAQI
10th Aug 2026658 AMAQI
10th Aug 2026639 AMAQI
10th Aug 20266310 AMAQI
10th Aug 20266511 AMAQI
10th Aug 20266712 PMAQI
10th Aug 2026531 PMAQI
10th Aug 2026542 PMAQI
10th Aug 2026463 PMAQI
10th Aug 2026404 PMAQI
10th Aug 2026405 PMAQI
10th Aug 2026526 PMAQI
10th Aug 2026627 PMAQI
10th Aug 2026528 PMAQI
10th Aug 2026679 PMAQI
10th Aug 20266010 PMAQI
10th Aug 20266011 PMAQI
11th Aug 20264812 AMAQI
11th Aug 2026361 AMAQI
11th Aug 2026552 AMAQI
11th Aug 2026503 AMAQI
11th Aug 2026464 AMAQI
25°C21/29°C
11th Aug 2026565 AMAQI
11th Aug 2026656 AMAQI
11th Aug 2026587 AMAQI
11th Aug 2026678 AMAQI
11th Aug 2026509 AMAQI
11th Aug 20264610 AMAQI
11th Aug 20265511 AMAQI
11th Aug 20264812 PMAQI
11th Aug 2026661 PMAQI
11th Aug 2026542 PMAQI
11th Aug 2026583 PMAQI
11th Aug 2026594 PMAQI
11th Aug 2026525 PMAQI
11th Aug 2026566 PMAQI
11th Aug 2026577 PMAQI
11th Aug 2026628 PMAQI
11th Aug 2026659 PMAQI
11th Aug 20265210 PMAQI
11th Aug 20263611 PMAQI
12th Aug 20263812 AMAQI
12th Aug 2026331 AMAQI
12th Aug 2026462 AMAQI
12th Aug 2026423 AMAQI
12th Aug 2026524 AMAQI
26°C23/30°C
12th Aug 2026335 AMAQI
12th Aug 2026386 AMAQI
12th Aug 2026597 AMAQI
12th Aug 2026668 AMAQI
12th Aug 2026349 AMAQI
12th Aug 20263810 AMAQI
12th Aug 20263811 AMAQI
12th Aug 20264612 PMAQI
12th Aug 2026361 PMAQI
12th Aug 2026362 PMAQI
12th Aug 2026583 PMAQI
12th Aug 2026534 PMAQI
12th Aug 2026555 PMAQI
12th Aug 2026516 PMAQI
12th Aug 2026337 PMAQI
12th Aug 2026368 PMAQI
12th Aug 2026589 PMAQI
12th Aug 20265710 PMAQI
12th Aug 20263311 PMAQI
13th Aug 20262812 AMAQI
13th Aug 2026361 AMAQI
13th Aug 2026482 AMAQI
13th Aug 2026423 AMAQI
13th Aug 2026484 AMAQI
25°C23/27°C
13th Aug 2026335 AMAQI
13th Aug 2026406 AMAQI
13th Aug 2026317 AMAQI
13th Aug 2026488 AMAQI
13th Aug 2026489 AMAQI
13th Aug 20263810 AMAQI
13th Aug 20264211 AMAQI
13th Aug 20262912 PMAQI
13th Aug 2026361 PMAQI
13th Aug 2026292 PMAQI
13th Aug 2026293 PMAQI
13th Aug 2026214 PMAQI
13th Aug 2026365 PMAQI
13th Aug 2026426 PMAQI
13th Aug 2026407 PMAQI
13th Aug 2026528 PMAQI
13th Aug 2026529 PMAQI
13th Aug 20265210 PMAQI
13th Aug 20265011 PMAQI
14th Aug 20265612 AMAQI
14th Aug 2026581 AMAQI
14th Aug 2026422 AMAQI
14th Aug 2026383 AMAQI
14th Aug 2026404 AMAQI
24°C22/28°C
14th Aug 2026465 AMAQI
14th Aug 2026366 AMAQI
14th Aug 2026427 AMAQI
14th Aug 2026408 AMAQI
14th Aug 2026609 AMAQI
14th Aug 20266210 AMAQI
14th Aug 20265311 AMAQI
14th Aug 20265412 PMAQI
14th Aug 2026231 PMAQI
14th Aug 2026422 PMAQI
14th Aug 2026553 PMAQI
14th Aug 2026624 PMAQI
14th Aug 2026525 PMAQI
14th Aug 2026656 PMAQI
14th Aug 2026577 PMAQI
14th Aug 2026488 PMAQI
14th Aug 2026709 PMAQI
14th Aug 20265610 PMAQI
14th Aug 20268211 PMAQI
15th Aug 20266612 AMAQI
15th Aug 2026591 AMAQI
15th Aug 2026502 AMAQI
15th Aug 2026513 AMAQI
15th Aug 2026574 AMAQI
25°C21/29°C
15th Aug 2026645 AMAQI
15th Aug 2026586 AMAQI
15th Aug 2026737 AMAQI
15th Aug 2026628 AMAQI
15th Aug 2026489 AMAQI
15th Aug 20264010 AMAQI
15th Aug 20266011 AMAQI
15th Aug 20263812 PMAQI
15th Aug 2026551 PMAQI
15th Aug 2026382 PMAQI
15th Aug 2026643 PMAQI
15th Aug 2026654 PMAQI
15th Aug 2026635 PMAQI
15th Aug 2026736 PMAQI
15th Aug 2026587 PMAQI
15th Aug 2026648 PMAQI
15th Aug 2026749 PMAQI
15th Aug 20266310 PMAQI
15th Aug 20265711 PMAQI
16th Aug 20266712 AMAQI
16th Aug 2026681 AMAQI
16th Aug 2026742 AMAQI
16th Aug 2026803 AMAQI
16th Aug 2026864 AMAQI
24°C21/29°C
16th Aug 2026785 AMAQI
5 AM16th Aug 2026796 AMAQI
16th Aug 2026687 AMAQI
16th Aug 2026428 AMAQI
16th Aug 2026559 AMAQI
16th Aug 20266210 AMAQI
16th Aug 20266611 AMAQI
16th Aug 20267812 PMAQI
12 PM16th Aug 2026761 PMAQI
16th Aug 2026902 PMAQI
16th Aug 2026923 PMAQI
16th Aug 2026784 PMAQI
16th Aug 2026675 PMAQI
16th Aug 2026676 PMAQI
16th Aug 2026807 PMAQI
7 PM16th Aug 2026998 PMAQI
16th Aug 2026989 PMAQI
16th Aug 20264810 PMAQI
16th Aug 20262711 PMAQI
12 AM
4 AM
24°C21/28°C
Day time
Avg. Highest Time
7 AM
64AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
2 PM
51AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 7 AM (Avg. 64), while the lowest AQI was between 2 PM to 2 PM (Avg. 51).
Night time
Avg. Highest Time
9 PM
65AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
8 PM
60AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 9 PM (Avg. 65), while the lowest AQI was between 8 PM to 8 PM (Avg. 60).
2026 Days Vs Air Quality
Beidaihe, Qinhuangdao, Hebei, China
2026
20%
45
61%
138
15%
34
5%
11
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
45 DaysModerate
138 DaysPoor
34 DaysUnhealthy
11 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 20%
Health Risk Level:
Very high
In 2026, 20% of 228 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
Beidaihe, Qinhuangdao, Hebei, China
AQI levels in 2026
AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
78AQI (US)
78AQI (US)
2nd January 2026
82AQI (US)
82AQI (US)
3rd January 2026
109AQI (US)
109AQI (US)
4th January 2026
127AQI (US)
127AQI (US)
5th January 2026
128AQI (US)
128AQI (US)
6th January 2026
97AQI (US)
97AQI (US)
7th January 2026
62AQI (US)
62AQI (US)
8th January 2026
88AQI (US)
88AQI (US)
9th January 2026
142AQI (US)
142AQI (US)
10th January 2026
83AQI (US)
83AQI (US)
11th January 2026
61AQI (US)
61AQI (US)
12th January 2026
90AQI (US)
90AQI (US)
13th January 2026
66AQI (US)
66AQI (US)
14th January 2026
90AQI (US)
90AQI (US)
15th January 2026
150AQI (US)
150AQI (US)
16th January 2026
116AQI (US)
116AQI (US)
17th January 2026
66AQI (US)
66AQI (US)
18th January 2026
88AQI (US)
88AQI (US)
19th January 2026
64AQI (US)
64AQI (US)
20th January 2026
73AQI (US)
73AQI (US)
21st January 2026
56AQI (US)
56AQI (US)
22nd January 2026
69AQI (US)
69AQI (US)
23rd January 2026
83AQI (US)
83AQI (US)
24th January 2026
87AQI (US)
87AQI (US)
25th January 2026
55AQI (US)
55AQI (US)
26th January 2026
90AQI (US)
90AQI (US)
27th January 2026
104AQI (US)
104AQI (US)
28th January 2026
59AQI (US)
59AQI (US)
29th January 2026
96AQI (US)
96AQI (US)
30th January 2026
134AQI (US)
134AQI (US)
31st January 2026
126AQI (US)
126AQI (US)
1st February 2026
129AQI (US)
129AQI (US)
2nd February 2026
61AQI (US)
61AQI (US)
3rd February 2026
97AQI (US)
97AQI (US)
4th February 2026
145AQI (US)
145AQI (US)
5th February 2026
113AQI (US)
113AQI (US)
6th February 2026
41AQI (US)
41AQI (US)
7th February 2026
47AQI (US)
47AQI (US)
8th February 2026
51AQI (US)
51AQI (US)
9th February 2026
94AQI (US)
94AQI (US)
10th February 2026
151AQI (US)
151AQI (US)
11th February 2026
148AQI (US)
148AQI (US)
12th February 2026
165AQI (US)
165AQI (US)
13th February 2026
172AQI (US)
172AQI (US)
14th February 2026
163AQI (US)
163AQI (US)
15th February 2026
56AQI (US)
56AQI (US)
16th February 2026
75AQI (US)
75AQI (US)
17th February 2026
88AQI (US)
88AQI (US)
18th February 2026
41AQI (US)
41AQI (US)
19th February 2026
88AQI (US)
88AQI (US)
20th February 2026
134AQI (US)
134AQI (US)
21st February 2026
160AQI (US)
160AQI (US)
22nd February 2026
66AQI (US)
66AQI (US)
23rd February 2026
47AQI (US)
47AQI (US)
24th February 2026
72AQI (US)
72AQI (US)
25th February 2026
126AQI (US)
126AQI (US)
26th February 2026
104AQI (US)
104AQI (US)
27th February 2026
60AQI (US)
60AQI (US)
28th February 2026
66AQI (US)
66AQI (US)
1st March 2026
95AQI (US)
95AQI (US)
2nd March 2026
122AQI (US)
122AQI (US)
3rd March 2026
156AQI (US)
156AQI (US)
4th March 2026
108AQI (US)
108AQI (US)
5th March 2026
80AQI (US)
80AQI (US)
6th March 2026
60AQI (US)
60AQI (US)
7th March 2026
62AQI (US)
62AQI (US)
8th March 2026
107AQI (US)
107AQI (US)
9th March 2026
23AQI (US)
23AQI (US)
10th March 2026
81AQI (US)
81AQI (US)
11th March 2026
122AQI (US)
122AQI (US)
12th March 2026
118AQI (US)
118AQI (US)
13th March 2026
107AQI (US)
107AQI (US)
14th March 2026
74AQI (US)
74AQI (US)
15th March 2026
121AQI (US)
121AQI (US)
16th March 2026
93AQI (US)
93AQI (US)
17th March 2026
141AQI (US)
141AQI (US)
18th March 2026
72AQI (US)
72AQI (US)
19th March 2026
98AQI (US)
98AQI (US)
20th March 2026
67AQI (US)
67AQI (US)
21st March 2026
108AQI (US)
108AQI (US)
22nd March 2026
140AQI (US)
140AQI (US)
23rd March 2026
166AQI (US)
166AQI (US)
24th March 2026
171AQI (US)
171AQI (US)
25th March 2026
175AQI (US)
175AQI (US)
26th March 2026
176AQI (US)
176AQI (US)
27th March 2026
88AQI (US)
88AQI (US)
28th March 2026
76AQI (US)
76AQI (US)
29th March 2026
90AQI (US)
90AQI (US)
30th March 2026
39AQI (US)
39AQI (US)
31st March 2026
67AQI (US)
67AQI (US)
1st April 2026
66AQI (US)
66AQI (US)
2nd April 2026
71AQI (US)
71AQI (US)
3rd April 2026
144AQI (US)
144AQI (US)
4th April 2026
77AQI (US)
77AQI (US)
5th April 2026
60AQI (US)
60AQI (US)
6th April 2026
24AQI (US)
24AQI (US)
7th April 2026
34AQI (US)
34AQI (US)
8th April 2026
64AQI (US)
64AQI (US)
9th April 2026
44AQI (US)
44AQI (US)
10th April 2026
70AQI (US)
70AQI (US)
11th April 2026
64AQI (US)
64AQI (US)
12th April 2026
113AQI (US)
113AQI (US)
13th April 2026
61AQI (US)
61AQI (US)
14th April 2026
91AQI (US)
91AQI (US)
15th April 2026
135AQI (US)
135AQI (US)
16th April 2026
143AQI (US)
143AQI (US)
17th April 2026
104AQI (US)
104AQI (US)
18th April 2026
156AQI (US)
156AQI (US)
19th April 2026
138AQI (US)
138AQI (US)
20th April 2026
73AQI (US)
73AQI (US)
21st April 2026
76AQI (US)
76AQI (US)
22nd April 2026
64AQI (US)
64AQI (US)
23rd April 2026
73AQI (US)
73AQI (US)
24th April 2026
110AQI (US)
110AQI (US)
25th April 2026
111AQI (US)
111AQI (US)
26th April 2026
64AQI (US)
64AQI (US)
27th April 2026
46AQI (US)
46AQI (US)
28th April 2026
37AQI (US)
37AQI (US)
29th April 2026
38AQI (US)
38AQI (US)
30th April 2026
69AQI (US)
69AQI (US)
1st May 2026
62AQI (US)
62AQI (US)
2nd May 2026
53AQI (US)
53AQI (US)
3rd May 2026
18AQI (US)
18AQI (US)
4th May 2026
42AQI (US)
42AQI (US)
5th May 2026
72AQI (US)
72AQI (US)
6th May 2026
100AQI (US)
100AQI (US)
7th May 2026
36AQI (US)
36AQI (US)
8th May 2026
37AQI (US)
37AQI (US)
9th May 2026
76AQI (US)
76AQI (US)
10th May 2026
80AQI (US)
80AQI (US)
11th May 2026
94AQI (US)
94AQI (US)
12th May 2026
60AQI (US)
60AQI (US)
13th May 2026
90AQI (US)
90AQI (US)
14th May 2026
74AQI (US)
74AQI (US)
15th May 2026
76AQI (US)
76AQI (US)
16th May 2026
77AQI (US)
77AQI (US)
17th May 2026
65AQI (US)
65AQI (US)
18th May 2026
57AQI (US)
57AQI (US)
19th May 2026
55AQI (US)
55AQI (US)
20th May 2026
63AQI (US)
63AQI (US)
21st May 2026
68AQI (US)
68AQI (US)
22nd May 2026
81AQI (US)
81AQI (US)
23rd May 2026
71AQI (US)
71AQI (US)
24th May 2026
71AQI (US)
71AQI (US)
25th May 2026
66AQI (US)
66AQI (US)
26th May 2026
50AQI (US)
50AQI (US)
27th May 2026
73AQI (US)
73AQI (US)
28th May 2026
57AQI (US)
57AQI (US)
29th May 2026
37AQI (US)
37AQI (US)
30th May 2026
49AQI (US)
49AQI (US)
31st May 2026
81AQI (US)
81AQI (US)
1st June 2026
83AQI (US)
83AQI (US)
2nd June 2026
94AQI (US)
94AQI (US)
3rd June 2026
65AQI (US)
65AQI (US)
4th June 2026
30AQI (US)
30AQI (US)
5th June 2026
31AQI (US)
31AQI (US)
6th June 2026
42AQI (US)
42AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
46AQI (US)
46AQI (US)
9th June 2026
46AQI (US)
46AQI (US)
10th June 2026
39AQI (US)
39AQI (US)
11th June 2026
37AQI (US)
37AQI (US)
12th June 2026
67AQI (US)
67AQI (US)
13th June 2026
65AQI (US)
65AQI (US)
14th June 2026
62AQI (US)
62AQI (US)
15th June 2026
61AQI (US)
61AQI (US)
16th June 2026
76AQI (US)
76AQI (US)
17th June 2026
65AQI (US)
65AQI (US)
18th June 2026
95AQI (US)
95AQI (US)
19th June 2026
67AQI (US)
67AQI (US)
20th June 2026
60AQI (US)
60AQI (US)
21st June 2026
42AQI (US)
42AQI (US)
22nd June 2026
54AQI (US)
54AQI (US)
23rd June 2026
53AQI (US)
53AQI (US)
24th June 2026
53AQI (US)
53AQI (US)
25th June 2026
23AQI (US)
23AQI (US)
26th June 2026
49AQI (US)
49AQI (US)
27th June 2026
77AQI (US)
77AQI (US)
28th June 2026
88AQI (US)
88AQI (US)
29th June 2026
71AQI (US)
71AQI (US)
30th June 2026
62AQI (US)
62AQI (US)
1st July 2026
54AQI (US)
54AQI (US)
2nd July 2026
82AQI (US)
82AQI (US)
3rd July 2026
96AQI (US)
96AQI (US)
4th July 2026
93AQI (US)
93AQI (US)
5th July 2026
58AQI (US)
58AQI (US)
6th July 2026
43AQI (US)
43AQI (US)
7th July 2026
44AQI (US)
44AQI (US)
8th July 2026
65AQI (US)
65AQI (US)
9th July 2026
79AQI (US)
79AQI (US)
10th July 2026
44AQI (US)
44AQI (US)
11th July 2026
54AQI (US)
54AQI (US)
12th July 2026
47AQI (US)
47AQI (US)
13th July 2026
29AQI (US)
29AQI (US)
14th July 2026
38AQI (US)
38AQI (US)
15th July 2026
57AQI (US)
57AQI (US)
16th July 2026
56AQI (US)
56AQI (US)
17th July 2026
85AQI (US)
85AQI (US)
18th July 2026
53AQI (US)
53AQI (US)
19th July 2026
44AQI (US)
44AQI (US)
20th July 2026
62AQI (US)
62AQI (US)
21st July 2026
59AQI (US)
59AQI (US)
22nd July 2026
54AQI (US)
54AQI (US)
23rd July 2026
44AQI (US)
44AQI (US)
24th July 2026
49AQI (US)
49AQI (US)
25th July 2026
41AQI (US)
41AQI (US)
26th July 2026
43AQI (US)
43AQI (US)
27th July 2026
69AQI (US)
69AQI (US)
28th July 2026
91AQI (US)
91AQI (US)
29th July 2026
77AQI (US)
77AQI (US)
30th July 2026
71AQI (US)
71AQI (US)
31st July 2026
69AQI (US)
69AQI (US)
1st August 2026
66AQI (US)
66AQI (US)
2nd August 2026
71AQI (US)
71AQI (US)
3rd August 2026
61AQI (US)
61AQI (US)
4th August 2026
65AQI (US)
65AQI (US)
5th August 2026
70AQI (US)
70AQI (US)
6th August 2026
82AQI (US)
82AQI (US)
7th August 2026
58AQI (US)
58AQI (US)
8th August 2026
36AQI (US)
36AQI (US)
9th August 2026
47AQI (US)
47AQI (US)
10th August 2026
63AQI (US)
63AQI (US)
11th August 2026
54AQI (US)
54AQI (US)
12th August 2026
45AQI (US)
45AQI (US)
13th August 2026
40AQI (US)
40AQI (US)
14th August 2026
52AQI (US)
52AQI (US)
15th August 2026
58AQI (US)
58AQI (US)
16th August 2026
72AQI (US)
72AQI (US)
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
91AQI (US)
99AQI (US)
103AQI (US)
81AQI (US)
64AQI (US)
57AQI (US)
60AQI (US)
59AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202678AQI (US)
22
9
4
12
7
5
2
14
10
5
6
15
8
1
7
24
11
19
11
20
4
12
45
138
34
11
Highest AQI (US) recorded in
March103AQI (US)
Lowest AQI (US) recorded in
June57AQI (US)
202590AQI (US)
19
12
1
18
8
1
14
13
4
1
29
3
28
16
14
2
29
3
28
1
29
25
4
2
1
18
9
2
18
10
3
8
218
127
12
Highest AQI (US) recorded in
April121AQI (US)
Lowest AQI (US) recorded in
August59AQI (US)
202477AQI (US)
7
12
8
4
7
12
6
4
2
18
6
5
3
17
7
3
4
21
5
1
6
21
3
6
21
4
15
15
1
21
9
7
17
6
1
4
18
8
2
25
4
84
206
58
18
Highest AQI (US) recorded in
March98AQI (US)
Lowest AQI (US) recorded in
September44AQI (US)
202382AQI (US)
6
13
8
2
1
4
8
9
7
2
9
12
8
2
18
3
5
2
5
19
6
1
5
25
18
12
1
20
10
1
9
18
3
9
14
7
1
8
14
4
3
10
10
5
5
1
98
170
59
32
4
Highest AQI (US) recorded in
March121AQI (US)
Lowest AQI (US) recorded in
August51AQI (US)
202279AQI (US)
1
13
13
3
2
9
6
4
3
20
6
2
2
18
8
2
6
19
6
10
20
12
13
4
11
12
6
11
10
6
3
9
11
5
5
9
20
1
1
76
169
57
20
Highest AQI (US) recorded in
January107AQI (US)
Lowest AQI (US) recorded in
July53AQI (US)
202167AQI (US)
14
11
3
2
10
8
10
1
7
12
7
3
1
1
19
7
3
3
20
6
1
1
3
25
2
19
11
1
31
30
31
11
10
7
1
1
9
13
6
3
139
129
60
28
7
1
Highest AQI (US) recorded in
March139AQI (US)
Lowest AQI (US) recorded in
October1AQI (US)
202080AQI (US)
2
9
1
1
1
11
6
3
2
15
1
2
24
4
6
20
5
11
19
1
14
12
4
6
10
9
6
5
17
5
3
19
8
4
49
156
44
17
Highest AQI (US) recorded in
October102AQI (US)
Lowest AQI (US) recorded in
September59AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
90AQI (US)Least Polluted Year Recorded
2021(Avg.)
67AQI (US)Beidaihe's annual 2026 AQI (US) (78) shows an average percentage change of -0.7% (improved AQI (US)) compared to previous years: 2020 (80), 2021 (67), 2022 (79), 2023 (82), 2024 (77), 2025 (90).
