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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

BDA, Dalian, Liaoning, China Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

October Air Quality Analysis

BDA, Dalian, Liaoning, China

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
15th Oct 2022
183AQI
Lowest AQI recorded on
1st Oct 2024
20AQI

Same Day Analysis (1st October):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 23 of Good air quality, showing improvement over 2025, 2023 and 2022 on the same day.

Day & Night AQI Trend: 30th Sep - 1st Oct 2026

BDA, Dalian, Liaoning, China

AQI
Day
Night
.

5 AM30th Sep 2026

6 PM

4 AM1st Oct 2026

Day time
Avg. Highest Time
5AM30th Sep

62AQI

Avg. Lowest Time
12PM30th Sep

17AQI

Night time
Avg. Highest Time
6PM30th Sep

29AQI

Avg. Lowest Time
8PM30th Sep

8AQI

In the last 24 hours,

BDA's AQI reached its highest point of 62 at 5 AM during the Day, while the lowest point, 8, was recorded at 8 PM during the Night between 30th Sep and 1st Oct 2026.

Day & Night AQI Trend : Sep - Oct 2026

BDA, Dalian, Liaoning, China

SepOct
02nd - 03rd03rd - 04th04th - 05th05th - 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 - 01st01st
Day
Night
2nd Sep 2026425 AMAQI
2nd Sep 2026366 AMAQI
2nd Sep 2026427 AMAQI
2nd Sep 2026428 AMAQI
2nd Sep 2026499 AMAQI
2nd Sep 20265010 AMAQI
2nd Sep 20265111 AMAQI
2nd Sep 20265112 PMAQI
2nd Sep 2026441 PMAQI
2nd Sep 2026462 PMAQI
2nd Sep 2026483 PMAQI
2nd Sep 2026504 PMAQI
2nd Sep 2026675 PMAQI
2nd Sep 2026626 PMAQI
2nd Sep 2026577 PMAQI
2nd Sep 2026608 PMAQI
2nd Sep 2026699 PMAQI
2nd Sep 20266510 PMAQI
2nd Sep 20266211 PMAQI
3rd Sep 20266012 AMAQI
3rd Sep 2026591 AMAQI
3rd Sep 2026582 AMAQI
3rd Sep 2026543 AMAQI
3rd Sep 2026544 AMAQI

24°C21/27°C

3rd Sep 2026555 AMAQI
3rd Sep 2026536 AMAQI
3rd Sep 2026547 AMAQI
3rd Sep 2026588 AMAQI
3rd Sep 2026519 AMAQI
3rd Sep 20264810 AMAQI
3rd Sep 20264211 AMAQI
3rd Sep 20263312 PMAQI
3rd Sep 2026291 PMAQI
3rd Sep 2026312 PMAQI
3rd Sep 2026423 PMAQI
3rd Sep 2026484 PMAQI
3rd Sep 2026505 PMAQI
3rd Sep 2026526 PMAQI
3rd Sep 2026557 PMAQI
3rd Sep 2026528 PMAQI
3rd Sep 2026599 PMAQI
3rd Sep 20266410 PMAQI
3rd Sep 20266811 PMAQI
4th Sep 20267012 AMAQI
4th Sep 2026701 AMAQI
4th Sep 2026662 AMAQI
4th Sep 2026683 AMAQI
4th Sep 2026764 AMAQI

25°C21/28°C

4th Sep 2026595 AMAQI
4th Sep 2026366 AMAQI
4th Sep 2026277 AMAQI
4th Sep 2026258 AMAQI
4th Sep 2026249 AMAQI
4th Sep 20262510 AMAQI
4th Sep 20263111 AMAQI
4th Sep 20262312 PMAQI
4th Sep 2026161 PMAQI
4th Sep 2026162 PMAQI
4th Sep 2026203 PMAQI
4th Sep 2026244 PMAQI
4th Sep 2026295 PMAQI
4th Sep 2026306 PMAQI
4th Sep 2026367 PMAQI
4th Sep 2026468 PMAQI
4th Sep 2026579 PMAQI
4th Sep 20266910 PMAQI
4th Sep 20269211 PMAQI
5th Sep 20269612 AMAQI
5th Sep 2026821 AMAQI
5th Sep 2026782 AMAQI
5th Sep 2026573 AMAQI
5th Sep 2026664 AMAQI

25°C23/27°C

5th Sep 2026665 AMAQI
5th Sep 2026626 AMAQI
5th Sep 2026697 AMAQI
5th Sep 2026688 AMAQI
5th Sep 2026609 AMAQI
5th Sep 20267010 AMAQI
5th Sep 20266411 AMAQI
5th Sep 20263612 PMAQI
5th Sep 2026301 PMAQI
5th Sep 2026292 PMAQI
5th Sep 2026303 PMAQI
5th Sep 2026304 PMAQI
5th Sep 2026255 PMAQI
5th Sep 2026236 PMAQI
5th Sep 2026257 PMAQI
5th Sep 2026318 PMAQI
5th Sep 2026239 PMAQI
5th Sep 20262110 PMAQI
5th Sep 20262311 PMAQI
6th Sep 20262512 AMAQI
6th Sep 2026251 AMAQI
6th Sep 2026232 AMAQI
6th Sep 2026273 AMAQI
6th Sep 2026384 AMAQI

24°C23/26°C

6th Sep 2026505 AMAQI
6th Sep 2026526 AMAQI
6th Sep 2026577 AMAQI
6th Sep 2026578 AMAQI
6th Sep 2026449 AMAQI
6th Sep 20262910 AMAQI
6th Sep 20262511 AMAQI
6th Sep 20262112 PMAQI
6th Sep 2026251 PMAQI
6th Sep 2026212 PMAQI
6th Sep 2026213 PMAQI
6th Sep 2026234 PMAQI
6th Sep 2026255 PMAQI
6th Sep 2026166 PMAQI
6th Sep 2026217 PMAQI
6th Sep 2026258 PMAQI
6th Sep 2026299 PMAQI
6th Sep 20263110 PMAQI
6th Sep 20263611 PMAQI
7th Sep 20263612 AMAQI
7th Sep 2026291 AMAQI
7th Sep 2026332 AMAQI
7th Sep 2026383 AMAQI
7th Sep 2026334 AMAQI

24°C22/26°C

7th Sep 2026525 AMAQI
7th Sep 2026606 AMAQI
7th Sep 2026597 AMAQI
7th Sep 2026628 AMAQI
7th Sep 2026539 AMAQI
7th Sep 20262910 AMAQI
7th Sep 20262711 AMAQI
7th Sep 20263612 PMAQI
7th Sep 2026381 PMAQI
7th Sep 2026362 PMAQI
7th Sep 2026363 PMAQI
7th Sep 2026384 PMAQI
7th Sep 2026575 PMAQI
7th Sep 2026606 PMAQI
7th Sep 2026547 PMAQI
7th Sep 2026558 PMAQI
7th Sep 2026539 PMAQI
7th Sep 20265410 PMAQI
7th Sep 20264811 PMAQI
8th Sep 20264812 AMAQI
8th Sep 2026441 AMAQI
8th Sep 2026442 AMAQI
8th Sep 2026463 AMAQI
8th Sep 2026484 AMAQI

23°C19/27°C

8th Sep 2026445 AMAQI
8th Sep 2026556 AMAQI
8th Sep 2026587 AMAQI
8th Sep 2026538 AMAQI
8th Sep 2026529 AMAQI
8th Sep 20265410 AMAQI
8th Sep 20265311 AMAQI
8th Sep 20265012 PMAQI
8th Sep 2026481 PMAQI
8th Sep 2026442 PMAQI
8th Sep 2026333 PMAQI
8th Sep 2026304 PMAQI
8th Sep 2026325 PMAQI
8th Sep 2026316 PMAQI
8th Sep 2026307 PMAQI
8th Sep 2026308 PMAQI
8th Sep 2026309 PMAQI
8th Sep 20264010 PMAQI
8th Sep 20264011 PMAQI
9th Sep 20263812 AMAQI
9th Sep 2026421 AMAQI
9th Sep 2026252 AMAQI
9th Sep 2026253 AMAQI
9th Sep 2026214 AMAQI

20°C18/23°C

9th Sep 2026255 AMAQI
9th Sep 2026296 AMAQI
9th Sep 2026257 AMAQI
9th Sep 2026238 AMAQI
9th Sep 2026219 AMAQI
9th Sep 20262910 AMAQI
9th Sep 20262711 AMAQI
9th Sep 20262312 PMAQI
9th Sep 2026231 PMAQI
9th Sep 2026292 PMAQI
9th Sep 2026293 PMAQI
9th Sep 2026364 PMAQI
9th Sep 2026445 PMAQI
9th Sep 2026486 PMAQI
9th Sep 2026427 PMAQI
9th Sep 2026468 PMAQI
9th Sep 2026369 PMAQI
9th Sep 20263310 PMAQI
9th Sep 20263811 PMAQI
10th Sep 20263812 AMAQI
10th Sep 2026551 AMAQI
10th Sep 2026462 AMAQI
10th Sep 2026333 AMAQI
10th Sep 2026364 AMAQI

20°C18/23°C

10th Sep 2026445 AMAQI
10th Sep 2026446 AMAQI
10th Sep 2026807 AMAQI
10th Sep 2026508 AMAQI
10th Sep 2026749 AMAQI
10th Sep 20263310 AMAQI
10th Sep 20262111 AMAQI
10th Sep 20261412 PMAQI
10th Sep 2026191 PMAQI
10th Sep 2026212 PMAQI
10th Sep 2026273 PMAQI
10th Sep 2026214 PMAQI
10th Sep 2026205 PMAQI
10th Sep 2026236 PMAQI
10th Sep 2026277 PMAQI
10th Sep 2026338 PMAQI
10th Sep 2026539 PMAQI
10th Sep 20266510 PMAQI
10th Sep 20266611 PMAQI
11th Sep 20267512 AMAQI
11th Sep 2026961 AMAQI
11th Sep 20261002 AMAQI
11th Sep 2026783 AMAQI
11th Sep 2026874 AMAQI

21°C18/24°C

11th Sep 2026735 AMAQI
11th Sep 2026626 AMAQI
11th Sep 2026607 AMAQI
11th Sep 2026628 AMAQI
11th Sep 2026629 AMAQI
11th Sep 20265710 AMAQI
11th Sep 20263311 AMAQI
11th Sep 20262712 PMAQI
11th Sep 2026311 PMAQI
11th Sep 2026292 PMAQI
11th Sep 2026253 PMAQI
11th Sep 2026234 PMAQI
11th Sep 2026235 PMAQI
11th Sep 2026236 PMAQI
11th Sep 2026277 PMAQI
11th Sep 2026468 PMAQI
11th Sep 2026589 PMAQI
11th Sep 20266810 PMAQI
11th Sep 20267611 PMAQI
12th Sep 20269412 AMAQI
12th Sep 2026831 AMAQI
12th Sep 2026922 AMAQI
12th Sep 2026823 AMAQI
12th Sep 2026824 AMAQI

24°C21/27°C

12th Sep 2026765 AMAQI
12th Sep 2026686 AMAQI
12th Sep 2026647 AMAQI
12th Sep 2026578 AMAQI
12th Sep 2026519 AMAQI
12th Sep 20265110 AMAQI
12th Sep 20265411 AMAQI
12th Sep 20266012 PMAQI
12th Sep 2026571 PMAQI
12th Sep 2026482 PMAQI
12th Sep 2026383 PMAQI
12th Sep 2026334 PMAQI
12th Sep 2026505 PMAQI
12th Sep 2026556 PMAQI
12th Sep 2026517 PMAQI
12th Sep 2026508 PMAQI
12th Sep 2026509 PMAQI
12th Sep 20265310 PMAQI
12th Sep 20264611 PMAQI
13th Sep 20264812 AMAQI
13th Sep 2026401 AMAQI
13th Sep 2026382 AMAQI
13th Sep 2026403 AMAQI

24°C22/26°C

13th Sep 2026535 AMAQI
13th Sep 2026526 AMAQI
13th Sep 2026557 AMAQI
13th Sep 2026538 AMAQI
13th Sep 2026539 AMAQI
13th Sep 20265310 AMAQI
13th Sep 20266011 AMAQI
13th Sep 20266212 PMAQI
13th Sep 2026831 PMAQI
13th Sep 2026902 PMAQI
13th Sep 2026933 PMAQI
13th Sep 2026834 PMAQI
13th Sep 2026755 PMAQI
13th Sep 2026446 PMAQI
13th Sep 2026297 PMAQI
13th Sep 2026218 PMAQI
13th Sep 2026199 PMAQI
13th Sep 20261610 PMAQI
13th Sep 20261711 PMAQI
14th Sep 20261812 AMAQI
14th Sep 2026161 AMAQI
14th Sep 2026202 AMAQI
14th Sep 2026193 AMAQI
14th Sep 2026274 AMAQI

23°C22/25°C

14th Sep 2026215 AMAQI
14th Sep 2026166 AMAQI
14th Sep 2026127 AMAQI
14th Sep 2026128 AMAQI
14th Sep 2026129 AMAQI
14th Sep 20261110 AMAQI
14th Sep 20261111 AMAQI
14th Sep 20261412 PMAQI
14th Sep 2026141 PMAQI
14th Sep 2026132 PMAQI
14th Sep 2026143 PMAQI
14th Sep 2026134 PMAQI
14th Sep 2026145 PMAQI
14th Sep 2026156 PMAQI
14th Sep 2026177 PMAQI
14th Sep 2026208 PMAQI
14th Sep 2026409 PMAQI
14th Sep 20265110 PMAQI
14th Sep 20263111 PMAQI
15th Sep 20262512 AMAQI
15th Sep 2026501 AMAQI
15th Sep 2026482 AMAQI
15th Sep 2026313 AMAQI
15th Sep 2026504 AMAQI

21°C19/23°C

15th Sep 2026295 AMAQI
15th Sep 2026486 AMAQI
15th Sep 2026337 AMAQI
15th Sep 2026468 AMAQI
15th Sep 2026319 AMAQI
15th Sep 20262510 AMAQI
15th Sep 20262111 AMAQI
15th Sep 20261212 PMAQI
15th Sep 2026111 PMAQI
15th Sep 2026102 PMAQI
15th Sep 2026113 PMAQI
15th Sep 2026104 PMAQI
15th Sep 2026295 PMAQI
15th Sep 2026216 PMAQI
15th Sep 2026337 PMAQI
15th Sep 2026218 PMAQI
15th Sep 2026219 PMAQI
15th Sep 20262110 PMAQI
15th Sep 20262111 PMAQI
16th Sep 20262512 AMAQI
16th Sep 2026251 AMAQI
16th Sep 2026272 AMAQI
16th Sep 2026383 AMAQI
16th Sep 2026214 AMAQI

22°C20/24°C

16th Sep 2026215 AMAQI
16th Sep 2026276 AMAQI
16th Sep 2026217 AMAQI
16th Sep 2026218 AMAQI
16th Sep 2026219 AMAQI
16th Sep 20262310 AMAQI
16th Sep 20262111 AMAQI
16th Sep 20262512 PMAQI
16th Sep 2026211 PMAQI
16th Sep 2026212 PMAQI
16th Sep 2026213 PMAQI
16th Sep 2026214 PMAQI
16th Sep 2026215 PMAQI
16th Sep 2026216 PMAQI
16th Sep 2026217 PMAQI
16th Sep 2026218 PMAQI
16th Sep 2026239 PMAQI
16th Sep 20262110 PMAQI
16th Sep 20262111 PMAQI
17th Sep 20262312 AMAQI
17th Sep 2026211 AMAQI
17th Sep 2026232 AMAQI
17th Sep 2026213 AMAQI
17th Sep 2026234 AMAQI

23°C22/24°C

17th Sep 2026235 AMAQI
17th Sep 2026256 AMAQI
17th Sep 2026257 AMAQI
17th Sep 2026278 AMAQI
17th Sep 2026279 AMAQI
17th Sep 20262510 AMAQI
17th Sep 20262911 AMAQI
17th Sep 20262912 PMAQI
17th Sep 2026331 PMAQI
17th Sep 2026332 PMAQI
17th Sep 2026363 PMAQI
17th Sep 2026364 PMAQI
17th Sep 2026365 PMAQI
17th Sep 2026576 PMAQI
17th Sep 2026567 PMAQI
17th Sep 2026528 PMAQI
17th Sep 2026319 PMAQI
17th Sep 20263310 PMAQI
17th Sep 20263111 PMAQI
18th Sep 20263112 AMAQI
18th Sep 2026291 AMAQI
18th Sep 2026212 AMAQI
18th Sep 2026213 AMAQI
18th Sep 2026234 AMAQI

23°C22/24°C

18th Sep 2026275 AMAQI
18th Sep 2026336 AMAQI
18th Sep 2026447 AMAQI
18th Sep 2026578 AMAQI
18th Sep 2026629 AMAQI
18th Sep 20267810 AMAQI
18th Sep 20266711 AMAQI
18th Sep 20262912 PMAQI
18th Sep 2026291 PMAQI
18th Sep 2026252 PMAQI
18th Sep 2026213 PMAQI
18th Sep 2026194 PMAQI
18th Sep 2026195 PMAQI
18th Sep 2026236 PMAQI
18th Sep 2026217 PMAQI
18th Sep 2026258 PMAQI
18th Sep 2026279 PMAQI
18th Sep 20262710 PMAQI
18th Sep 20262911 PMAQI
19th Sep 20262712 AMAQI
19th Sep 2026361 AMAQI
19th Sep 2026442 AMAQI
19th Sep 2026443 AMAQI
19th Sep 2026484 AMAQI

22°C21/24°C

19th Sep 2026425 AMAQI
19th Sep 2026486 AMAQI
19th Sep 2026527 AMAQI
19th Sep 2026558 AMAQI
19th Sep 2026649 AMAQI
19th Sep 20263310 AMAQI
19th Sep 20262911 AMAQI
19th Sep 20262712 PMAQI
19th Sep 2026251 PMAQI
19th Sep 2026252 PMAQI
19th Sep 2026273 PMAQI
19th Sep 2026294 PMAQI
19th Sep 2026275 PMAQI
19th Sep 2026316 PMAQI
19th Sep 2026367 PMAQI
19th Sep 2026428 PMAQI
19th Sep 2026429 PMAQI
19th Sep 20266010 PMAQI
19th Sep 20266811 PMAQI
20th Sep 20265812 AMAQI
20th Sep 2026541 AMAQI
20th Sep 2026332 AMAQI
20th Sep 2026573 AMAQI
20th Sep 2026724 AMAQI

22°C21/24°C

20th Sep 2026715 AMAQI
20th Sep 2026826 AMAQI
20th Sep 2026887 AMAQI
20th Sep 2026608 AMAQI
20th Sep 2026679 AMAQI
20th Sep 20266910 AMAQI
20th Sep 20268611 AMAQI
20th Sep 20266812 PMAQI
20th Sep 2026651 PMAQI
20th Sep 2026652 PMAQI
20th Sep 2026643 PMAQI
20th Sep 2026604 PMAQI
20th Sep 2026605 PMAQI
20th Sep 2026766 PMAQI
20th Sep 2026757 PMAQI
20th Sep 2026718 PMAQI
20th Sep 2026659 PMAQI
20th Sep 20265810 PMAQI
20th Sep 20265411 PMAQI
21st Sep 20265212 AMAQI
21st Sep 2026461 AMAQI
21st Sep 2026362 AMAQI
21st Sep 2026293 AMAQI
21st Sep 2026294 AMAQI

23°C21/25°C

21st Sep 2026255 AMAQI
21st Sep 2026336 AMAQI
21st Sep 2026387 AMAQI
21st Sep 2026318 AMAQI
21st Sep 2026259 AMAQI
21st Sep 20262510 AMAQI
21st Sep 20263411 AMAQI
21st Sep 20263612 PMAQI
21st Sep 2026311 PMAQI
21st Sep 2026272 PMAQI
21st Sep 2026253 PMAQI
21st Sep 2026214 PMAQI
21st Sep 2026235 PMAQI
21st Sep 2026126 PMAQI
21st Sep 2026157 PMAQI
21st Sep 2026198 PMAQI
21st Sep 2026259 PMAQI
21st Sep 20262310 PMAQI
21st Sep 20262111 PMAQI
22nd Sep 20262312 AMAQI
22nd Sep 2026271 AMAQI
22nd Sep 2026312 AMAQI
22nd Sep 2026283 AMAQI
22nd Sep 2026294 AMAQI

24°C20/27°C

22nd Sep 2026295 AMAQI
22nd Sep 2026506 AMAQI
22nd Sep 2026537 AMAQI
22nd Sep 2026388 AMAQI
22nd Sep 2026839 AMAQI
22nd Sep 20265010 AMAQI
22nd Sep 20263111 AMAQI
22nd Sep 20262712 PMAQI
22nd Sep 2026271 PMAQI
22nd Sep 2026252 PMAQI
22nd Sep 2026213 PMAQI
22nd Sep 2026234 PMAQI
22nd Sep 2026255 PMAQI
22nd Sep 2026276 PMAQI
22nd Sep 2026317 PMAQI
22nd Sep 2026408 PMAQI
22nd Sep 2026429 PMAQI
22nd Sep 20265010 PMAQI
22nd Sep 20265611 PMAQI
23rd Sep 20266212 AMAQI
23rd Sep 2026741 AMAQI
23rd Sep 2026752 AMAQI
23rd Sep 2026713 AMAQI
23rd Sep 2026844 AMAQI

23°C21/25°C

23rd Sep 2026855 AMAQI
23rd Sep 2026766 AMAQI
23rd Sep 2026827 AMAQI
23rd Sep 2026768 AMAQI
23rd Sep 2026889 AMAQI
23rd Sep 20265610 AMAQI
23rd Sep 20262911 AMAQI
23rd Sep 20261412 PMAQI
23rd Sep 2026211 PMAQI
23rd Sep 2026312 PMAQI
23rd Sep 2026363 PMAQI
23rd Sep 2026604 PMAQI
23rd Sep 2026645 PMAQI
23rd Sep 2026656 PMAQI
23rd Sep 2026787 PMAQI
23rd Sep 2026858 PMAQI
23rd Sep 2026969 PMAQI
23rd Sep 20268510 PMAQI
23rd Sep 20267811 PMAQI
24th Sep 20269712 AMAQI
24th Sep 2026941 AMAQI
24th Sep 20261012 AMAQI
24th Sep 2026793 AMAQI
24th Sep 2026814 AMAQI

23°C21/25°C

24th Sep 20261505 AMAQI
24th Sep 2026846 AMAQI
24th Sep 20261147 AMAQI
24th Sep 2026928 AMAQI
24th Sep 2026979 AMAQI
24th Sep 20269710 AMAQI
24th Sep 20269611 AMAQI
24th Sep 20267612 PMAQI
24th Sep 2026721 PMAQI
24th Sep 2026442 PMAQI
24th Sep 2026313 PMAQI
24th Sep 2026294 PMAQI
24th Sep 2026335 PMAQI
24th Sep 2026336 PMAQI
24th Sep 2026367 PMAQI
24th Sep 2026488 PMAQI
24th Sep 2026659 PMAQI
24th Sep 20266910 PMAQI
24th Sep 20266911 PMAQI
25th Sep 20268212 AMAQI
25th Sep 2026921 AMAQI
25th Sep 2026922 AMAQI
25th Sep 2026973 AMAQI
25th Sep 2026984 AMAQI

23°C22/25°C

25th Sep 2026955 AMAQI
25th Sep 2026976 AMAQI
25th Sep 2026947 AMAQI
25th Sep 2026828 AMAQI
25th Sep 2026799 AMAQI
25th Sep 20267810 AMAQI
25th Sep 20268011 AMAQI
25th Sep 20267412 PMAQI
25th Sep 2026621 PMAQI
25th Sep 2026552 PMAQI
25th Sep 2026383 PMAQI
25th Sep 2026344 PMAQI
25th Sep 2026195 PMAQI
25th Sep 2026216 PMAQI
25th Sep 2026217 PMAQI
25th Sep 2026218 PMAQI
25th Sep 2026219 PMAQI
25th Sep 20262110 PMAQI
25th Sep 20262111 PMAQI
26th Sep 20261312 AMAQI
26th Sep 2026141 AMAQI
26th Sep 2026182 AMAQI
26th Sep 2026333 AMAQI
26th Sep 2026424 AMAQI

22°C21/23°C

26th Sep 2026515 AMAQI
26th Sep 2026586 AMAQI
26th Sep 2026577 AMAQI
26th Sep 2026588 AMAQI
26th Sep 2026599 AMAQI
26th Sep 20265110 AMAQI
26th Sep 20264211 AMAQI
26th Sep 20262112 PMAQI
26th Sep 2026211 PMAQI
26th Sep 2026172 PMAQI
26th Sep 2026143 PMAQI
26th Sep 2026124 PMAQI
26th Sep 2026215 PMAQI
26th Sep 2026216 PMAQI
26th Sep 2026237 PMAQI
26th Sep 2026298 PMAQI
26th Sep 2026349 PMAQI
26th Sep 20263610 PMAQI
26th Sep 20265411 PMAQI
27th Sep 202610312 AMAQI
27th Sep 2026901 AMAQI
27th Sep 2026872 AMAQI
27th Sep 2026853 AMAQI
27th Sep 2026844 AMAQI

21°C20/23°C

27th Sep 2026795 AMAQI
27th Sep 2026846 AMAQI
27th Sep 2026927 AMAQI
27th Sep 2026888 AMAQI
27th Sep 2026769 AMAQI
27th Sep 20267110 AMAQI
27th Sep 20266011 AMAQI
27th Sep 20265412 PMAQI
27th Sep 2026561 PMAQI
27th Sep 2026662 PMAQI
27th Sep 2026693 PMAQI
27th Sep 2026584 PMAQI
27th Sep 2026515 PMAQI
27th Sep 2026576 PMAQI
27th Sep 2026697 PMAQI
27th Sep 2026988 PMAQI
27th Sep 20261089 PMAQI
27th Sep 20268310 PMAQI
27th Sep 20267211 PMAQI
28th Sep 20266012 AMAQI
28th Sep 2026491 AMAQI
28th Sep 2026362 AMAQI
28th Sep 2026383 AMAQI
28th Sep 2026424 AMAQI

20°C18/22°C

28th Sep 2026405 AMAQI
28th Sep 2026276 AMAQI
28th Sep 2026257 AMAQI
28th Sep 2026368 AMAQI
28th Sep 2026449 AMAQI
28th Sep 20263810 AMAQI
28th Sep 20261011 AMAQI
28th Sep 20261012 PMAQI
28th Sep 202681 PMAQI
28th Sep 2026132 PMAQI
28th Sep 2026193 PMAQI
28th Sep 2026234 PMAQI
28th Sep 2026255 PMAQI
28th Sep 2026256 PMAQI
28th Sep 2026387 PMAQI
28th Sep 2026608 PMAQI
28th Sep 2026769 PMAQI
28th Sep 20268710 PMAQI
28th Sep 202610211 PMAQI
29th Sep 202610212 AMAQI
29th Sep 2026941 AMAQI
29th Sep 20261022 AMAQI
29th Sep 20261083 AMAQI
29th Sep 20261034 AMAQI

19°C16/22°C

29th Sep 20261055 AMAQI
29th Sep 20261066 AMAQI
29th Sep 20261107 AMAQI
29th Sep 20261008 AMAQI
29th Sep 2026639 AMAQI
29th Sep 20262710 AMAQI
29th Sep 20262711 AMAQI
29th Sep 20264912 PMAQI
29th Sep 2026621 PMAQI
29th Sep 2026672 PMAQI
29th Sep 2026843 PMAQI
29th Sep 20261024 PMAQI
29th Sep 2026985 PMAQI
29th Sep 2026946 PMAQI
29th Sep 20261087 PMAQI
29th Sep 20261048 PMAQI
29th Sep 20261199 PMAQI
29th Sep 202611610 PMAQI
29th Sep 202611211 PMAQI
30th Sep 202610212 AMAQI
30th Sep 20261051 AMAQI
30th Sep 2026762 AMAQI
30th Sep 2026543 AMAQI
30th Sep 2026584 AMAQI

21°C19/23°C

30th Sep 2026625 AMAQI
30th Sep 2026586 AMAQI
30th Sep 2026367 AMAQI
30th Sep 2026348 AMAQI
30th Sep 2026529 AMAQI
30th Sep 20265110 AMAQI
30th Sep 20262111 AMAQI
30th Sep 20261712 PMAQI
30th Sep 2026271 PMAQI
30th Sep 2026232 PMAQI
30th Sep 2026213 PMAQI
30th Sep 2026214 PMAQI
30th Sep 2026255 PMAQI
30th Sep 2026296 PMAQI
30th Sep 2026297 PMAQI
30th Sep 202688 PMAQI
30th Sep 2026109 PMAQI
30th Sep 20261010 PMAQI
30th Sep 20261111 PMAQI
1st Oct 20262112 AMAQI
1st Oct 2026111 AMAQI
1st Oct 2026112 AMAQI
1st Oct 2026103 AMAQI
1st Oct 2026144 AMAQI

18°C14/21°C

1st Oct 2026185 AMAQI
5 AM
1st Oct 2026206 AMAQI
1st Oct 2026247 AMAQI
1st Oct 2026278 AMAQI
1st Oct 2026249 AMAQI
1st Oct 20262210 AMAQI
1st Oct 20262011 AMAQI
11 AM
1st Oct 20262212 PMAQI
1st Oct 2026221 PMAQI
1st Oct 2026192 PMAQI
1st Oct 2026203 PMAQI
1st Oct 2026204 PMAQI
1st Oct 2026195 PMAQI
1st Oct 2026196 PMAQI
6 PM
1st Oct 2026227 PMAQI
1st Oct 2026278 PMAQI
1st Oct 2026339 PMAQI
1st Oct 20264810 PMAQI
1st Oct 20266611 PMAQI
11 PM
4 AM

18°C17/19°C

Day time
Avg. Highest Time
7 AM

55AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
12 PM - 4 PM

34AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 7 AM (Avg. 55), while the lowest AQI was between 12 PM to 4 PM (Avg. 34).
Night time
Avg. Highest Time
12 AM - 1 AM

53AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM

39AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 53), while the lowest AQI was between 7 PM to 7 PM (Avg. 39).

2026 Days Vs Air Quality

BDA, Dalian, Liaoning, China

2026

34%

93

49%

134

12%

34

5%

13

Total number of days with different AQI categories in last 274 days in 2026 (91 days remaining)

Good
93 Days
Moderate
134 Days
Poor
34 Days
Unhealthy
13 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 34%

Health Risk Level:

High

In 2026, 34% of 274 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.

Annual Air Quality Insights

BDA, Dalian, Liaoning, 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
58AQI (US)
2nd January 2026
61AQI (US)
3rd January 2026
138AQI (US)
4th January 2026
98AQI (US)
5th January 2026
65AQI (US)
6th January 2026
106AQI (US)
7th January 2026
35AQI (US)
8th January 2026
64AQI (US)
9th January 2026
121AQI (US)
10th January 2026
85AQI (US)
11th January 2026
36AQI (US)
12th January 2026
75AQI (US)
13th January 2026
56AQI (US)
14th January 2026
61AQI (US)
15th January 2026
148AQI (US)
16th January 2026
133AQI (US)
17th January 2026
56AQI (US)
18th January 2026
75AQI (US)
19th January 2026
42AQI (US)
20th January 2026
54AQI (US)
21st January 2026
50AQI (US)
22nd January 2026
68AQI (US)
23rd January 2026
86AQI (US)
24th January 2026
84AQI (US)
25th January 2026
60AQI (US)
26th January 2026
95AQI (US)
27th January 2026
73AQI (US)
28th January 2026
68AQI (US)
29th January 2026
48AQI (US)
30th January 2026
67AQI (US)
31st January 2026
125AQI (US)
1st February 2026
117AQI (US)
2nd February 2026
56AQI (US)
3rd February 2026
116AQI (US)
4th February 2026
158AQI (US)
5th February 2026
125AQI (US)
6th February 2026
53AQI (US)
7th February 2026
66AQI (US)
8th February 2026
49AQI (US)
9th February 2026
115AQI (US)
10th February 2026
132AQI (US)
11th February 2026
111AQI (US)
12th February 2026
150AQI (US)
13th February 2026
159AQI (US)
14th February 2026
158AQI (US)
15th February 2026
71AQI (US)
16th February 2026
43AQI (US)
17th February 2026
114AQI (US)
18th February 2026
63AQI (US)
19th February 2026
104AQI (US)
20th February 2026
144AQI (US)
21st February 2026
144AQI (US)
22nd February 2026
72AQI (US)
23rd February 2026
38AQI (US)
24th February 2026
54AQI (US)
25th February 2026
64AQI (US)
26th February 2026
110AQI (US)
27th February 2026
157AQI (US)
28th February 2026
162AQI (US)
1st March 2026
175AQI (US)
2nd March 2026
172AQI (US)
3rd March 2026
162AQI (US)
4th March 2026
153AQI (US)
5th March 2026
133AQI (US)
6th March 2026
47AQI (US)
7th March 2026
57AQI (US)
8th March 2026
101AQI (US)
9th March 2026
49AQI (US)
10th March 2026
45AQI (US)
11th March 2026
81AQI (US)
12th March 2026
125AQI (US)
13th March 2026
126AQI (US)
14th March 2026
98AQI (US)
15th March 2026
150AQI (US)
16th March 2026
148AQI (US)
17th March 2026
139AQI (US)
18th March 2026
64AQI (US)
19th March 2026
68AQI (US)
20th March 2026
97AQI (US)
21st March 2026
133AQI (US)
22nd March 2026
147AQI (US)
23rd March 2026
163AQI (US)
24th March 2026
168AQI (US)
25th March 2026
163AQI (US)
26th March 2026
153AQI (US)
27th March 2026
90AQI (US)
28th March 2026
59AQI (US)
29th March 2026
101AQI (US)
30th March 2026
100AQI (US)
31st March 2026
75AQI (US)
1st April 2026
88AQI (US)
2nd April 2026
72AQI (US)
3rd April 2026
130AQI (US)
4th April 2026
77AQI (US)
5th April 2026
87AQI (US)
6th April 2026
22AQI (US)
7th April 2026
32AQI (US)
8th April 2026
48AQI (US)
9th April 2026
41AQI (US)
10th April 2026
94AQI (US)
11th April 2026
78AQI (US)
12th April 2026
85AQI (US)
13th April 2026
87AQI (US)
14th April 2026
130AQI (US)
15th April 2026
145AQI (US)
16th April 2026
135AQI (US)
17th April 2026
94AQI (US)
18th April 2026
97AQI (US)
19th April 2026
52AQI (US)
20th April 2026
56AQI (US)
21st April 2026
73AQI (US)
22nd April 2026
85AQI (US)
23rd April 2026
73AQI (US)
24th April 2026
105AQI (US)
25th April 2026
90AQI (US)
26th April 2026
81AQI (US)
27th April 2026
56AQI (US)
28th April 2026
36AQI (US)
29th April 2026
76AQI (US)
30th April 2026
95AQI (US)
1st May 2026
106AQI (US)
2nd May 2026
86AQI (US)
3rd May 2026
49AQI (US)
4th May 2026
42AQI (US)
5th May 2026
46AQI (US)
6th May 2026
75AQI (US)
7th May 2026
54AQI (US)
8th May 2026
26AQI (US)
9th May 2026
58AQI (US)
10th May 2026
55AQI (US)
11th May 2026
62AQI (US)
12th May 2026
48AQI (US)
13th May 2026
61AQI (US)
14th May 2026
44AQI (US)
15th May 2026
35AQI (US)
16th May 2026
77AQI (US)
17th May 2026
64AQI (US)
18th May 2026
56AQI (US)
19th May 2026
53AQI (US)
20th May 2026
63AQI (US)
21st May 2026
67AQI (US)
22nd May 2026
79AQI (US)
23rd May 2026
72AQI (US)
24th May 2026
69AQI (US)
25th May 2026
65AQI (US)
26th May 2026
43AQI (US)
27th May 2026
40AQI (US)
28th May 2026
52AQI (US)
29th May 2026
47AQI (US)
30th May 2026
46AQI (US)
31st May 2026
76AQI (US)
1st June 2026
58AQI (US)
2nd June 2026
58AQI (US)
3rd June 2026
52AQI (US)
4th June 2026
38AQI (US)
5th June 2026
20AQI (US)
6th June 2026
40AQI (US)
7th June 2026
44AQI (US)
8th June 2026
40AQI (US)
9th June 2026
50AQI (US)
10th June 2026
53AQI (US)
11th June 2026
56AQI (US)
12th June 2026
69AQI (US)
13th June 2026
64AQI (US)
14th June 2026
95AQI (US)
15th June 2026
45AQI (US)
16th June 2026
59AQI (US)
17th June 2026
70AQI (US)
18th June 2026
66AQI (US)
19th June 2026
39AQI (US)
20th June 2026
40AQI (US)
21st June 2026
28AQI (US)
22nd June 2026
46AQI (US)
23rd June 2026
49AQI (US)
24th June 2026
52AQI (US)
25th June 2026
28AQI (US)
26th June 2026
40AQI (US)
27th June 2026
52AQI (US)
28th June 2026
58AQI (US)
29th June 2026
38AQI (US)
30th June 2026
61AQI (US)
1st July 2026
52AQI (US)
2nd July 2026
34AQI (US)
3rd July 2026
87AQI (US)
4th July 2026
68AQI (US)
5th July 2026
35AQI (US)
6th July 2026
60AQI (US)
7th July 2026
58AQI (US)
8th July 2026
27AQI (US)
9th July 2026
39AQI (US)
10th July 2026
47AQI (US)
11th July 2026
26AQI (US)
12th July 2026
41AQI (US)
13th July 2026
36AQI (US)
14th July 2026
28AQI (US)
15th July 2026
53AQI (US)
16th July 2026
87AQI (US)
17th July 2026
65AQI (US)
18th July 2026
62AQI (US)
19th July 2026
87AQI (US)
20th July 2026
77AQI (US)
21st July 2026
42AQI (US)
22nd July 2026
41AQI (US)
23rd July 2026
38AQI (US)
24th July 2026
27AQI (US)
25th July 2026
44AQI (US)
26th July 2026
62AQI (US)
27th July 2026
56AQI (US)
28th July 2026
67AQI (US)
29th July 2026
51AQI (US)
30th July 2026
66AQI (US)
31st July 2026
70AQI (US)
1st August 2026
59AQI (US)
2nd August 2026
64AQI (US)
3rd August 2026
68AQI (US)
4th August 2026
50AQI (US)
5th August 2026
36AQI (US)
6th August 2026
68AQI (US)
7th August 2026
78AQI (US)
8th August 2026
41AQI (US)
9th August 2026
50AQI (US)
10th August 2026
23AQI (US)
11th August 2026
33AQI (US)
12th August 2026
36AQI (US)
13th August 2026
55AQI (US)
14th August 2026
79AQI (US)
15th August 2026
58AQI (US)
16th August 2026
48AQI (US)
17th August 2026
66AQI (US)
18th August 2026
61AQI (US)
19th August 2026
65AQI (US)
20th August 2026
80AQI (US)
21st August 2026
28AQI (US)
22nd August 2026
12AQI (US)
23rd August 2026
26AQI (US)
24th August 2026
27AQI (US)
25th August 2026
49AQI (US)
26th August 2026
27AQI (US)
27th August 2026
37AQI (US)
28th August 2026
50AQI (US)
29th August 2026
52AQI (US)
30th August 2026
63AQI (US)
31st August 2026
53AQI (US)
1st September 2026
14AQI (US)
2nd September 2026
48AQI (US)
3rd September 2026
51AQI (US)
4th September 2026
43AQI (US)
5th September 2026
48AQI (US)
6th September 2026
31AQI (US)
7th September 2026
45AQI (US)
8th September 2026
43AQI (US)
9th September 2026
32AQI (US)
10th September 2026
39AQI (US)
11th September 2026
54AQI (US)
12th September 2026
60AQI (US)
13th September 2026
51AQI (US)
14th September 2026
19AQI (US)
15th September 2026
27AQI (US)
16th September 2026
23AQI (US)
17th September 2026
31AQI (US)
18th September 2026
33AQI (US)
19th September 2026
40AQI (US)
20th September 2026
66AQI (US)
21st September 2026
28AQI (US)
22nd September 2026
36AQI (US)
23rd September 2026
65AQI (US)
24th September 2026
74AQI (US)
25th September 2026
61AQI (US)
26th September 2026
33AQI (US)
27th September 2026
77AQI (US)
28th September 2026
39AQI (US)
29th September 2026
90AQI (US)
30th September 2026
39AQI (US)
1st October 2026
23AQI (US)
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

77AQI (US)

104AQI (US)

114AQI (US)

81AQI (US)

59AQI (US)

50AQI (US)

53AQI (US)

50AQI (US)

45AQI (US)

23AQI (US)

No. of days

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

202670AQI (US)

5
20
6
3
8
12
5
3
10
10
8
5
20
5
11
19
1
15
15
14
17
16
15
20
10
1
93
134
34
13

Highest AQI (US) recorded in

March

114AQI (US)

Lowest AQI (US) recorded in

October

23AQI (US)

202578AQI (US)

19
12
1
19
7
1
16
14
1
3
27
30
1
4
26
31
3
28
2
25
3
2
23
6
5
12
10
3
3
16
10
2
23
272
63
7

Highest AQI (US) recorded in

March

100AQI (US)

Lowest AQI (US) recorded in

August

54AQI (US)

202479AQI (US)

3
12
13
2
11
11
6
1
1
17
10
3
1
19
8
2
2
24
5
11
19
7
19
5
10
17
4
10
20
8
19
4
9
16
5
4
24
3
66
217
68
13
1

Highest AQI (US) recorded in

February

114AQI (US)

Lowest AQI (US) recorded in

September

59AQI (US)

202385AQI (US)

1
20
6
1
2
1
15
5
7
1
12
16
2
2
12
15
1
3
22
6
1
29
10
19
2
9
19
3
8
19
3
9
14
6
2
7
15
5
1
1
5
9
12
5
57
205
79
19
3

Highest AQI (US) recorded in

March

109AQI (US)

Lowest AQI (US) recorded in

August

64AQI (US)

202275AQI (US)

1
6
4
19
8
10
20
4
15
2
1
9
15
4
11
15
4
1
4
14
8
4
5
19
7
47
124
34
5

Highest AQI (US) recorded in

March

122AQI (US)

Lowest AQI (US) recorded in

June

59AQI (US)

2021108AQI (US)

2
16
8
3
1
2
10
8
8
10
10
9
2
1
19
7
1
5
55
33
21
3

Highest AQI (US) recorded in

March

128AQI (US)

Lowest AQI (US) recorded in

April

92AQI (US)

202077AQI (US)

3
7
3
2
7
9
3
2
14
2
4
24
1
1
6
23
2
12
19
6
23
1
7
12
10
2
8
12
8
1
1
3
16
7
5
53
157
43
12
1

Highest AQI (US) recorded in

April

100AQI (US)

Lowest AQI (US) recorded in

August

55AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2021(Avg.)
108AQI (US)
Least Polluted Year Recorded
2026(Avg.)
70AQI (US)

BDA's annual 2026 AQI (US) (70) shows an average percentage change of -15.03% (improved AQI (US)) compared to previous years: 2020 (77), 2021 (108), 2022 (75), 2023 (85), 2024 (79), 2025 (78).