Sinjangdong, Osan, Gyeonggi, South Korea 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
Sinjangdong, Osan, Gyeonggi, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
24th Aug 2024
104AQILowest AQI recorded on
9th Aug 2023
22AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 59 of Moderate air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Sinjangdong, Osan, Gyeonggi, South Korea
AQI
Day
Night
.
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
3PM3rd Aug
70AQI
Avg. Lowest Time
6AM3rd Aug
58AQI
Night time
Avg. Highest Time
8PM3rd Aug
60AQI
Avg. Lowest Time
11PM3rd Aug
48AQI
In the last 24 hours,
Sinjangdong's AQI reached its highest point of 70 at 3 PM during the Day, while the lowest point, 48, was recorded at 11 PM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sinjangdong, Osan, Gyeonggi, South Korea
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 2025535 AMAQI
5th Jul 2025536 AMAQI
5th Jul 2025547 AMAQI
5th Jul 2025538 AMAQI
5th Jul 2025459 AMAQI
5th Jul 20254710 AMAQI
5th Jul 20255011 AMAQI
5th Jul 20255412 PMAQI
5th Jul 2025541 PMAQI
5th Jul 2025602 PMAQI
5th Jul 2025583 PMAQI
5th Jul 2025574 PMAQI
5th Jul 2025585 PMAQI
5th Jul 2025586 PMAQI
5th Jul 2025567 PMAQI
5th Jul 2025558 PMAQI
5th Jul 2025549 PMAQI
5th Jul 20256010 PMAQI
5th Jul 20255711 PMAQI
6th Jul 20255412 AMAQI
6th Jul 2025531 AMAQI
6th Jul 2025532 AMAQI
6th Jul 2025533 AMAQI
6th Jul 2025524 AMAQI
27°C22/32°C
6th Jul 2025535 AMAQI
6th Jul 2025536 AMAQI
6th Jul 2025537 AMAQI
6th Jul 2025538 AMAQI
6th Jul 2025549 AMAQI
6th Jul 20255410 AMAQI
6th Jul 20255611 AMAQI
6th Jul 20256412 PMAQI
6th Jul 2025621 PMAQI
6th Jul 2025642 PMAQI
6th Jul 2025663 PMAQI
6th Jul 2025664 PMAQI
6th Jul 2025685 PMAQI
6th Jul 2025686 PMAQI
6th Jul 2025657 PMAQI
6th Jul 2025648 PMAQI
6th Jul 2025569 PMAQI
6th Jul 20255510 PMAQI
6th Jul 20255511 PMAQI
7th Jul 20255612 AMAQI
7th Jul 2025521 AMAQI
7th Jul 2025532 AMAQI
7th Jul 2025533 AMAQI
7th Jul 2025534 AMAQI
27°C23/33°C
7th Jul 2025545 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025749 AMAQI
7th Jul 20257610 AMAQI
7th Jul 20259411 AMAQI
7th Jul 20258812 PMAQI
7th Jul 2025851 PMAQI
7th Jul 2025902 PMAQI
7th Jul 2025933 PMAQI
7th Jul 2025924 PMAQI
7th Jul 2025925 PMAQI
7th Jul 2025926 PMAQI
7th Jul 2025947 PMAQI
7th Jul 2025888 PMAQI
7th Jul 2025709 PMAQI
7th Jul 20257010 PMAQI
7th Jul 20256911 PMAQI
8th Jul 20256912 AMAQI
8th Jul 2025691 AMAQI
8th Jul 2025622 AMAQI
8th Jul 2025533 AMAQI
8th Jul 2025544 AMAQI
28°C24/33°C
8th Jul 2025585 AMAQI
8th Jul 2025586 AMAQI
8th Jul 2025597 AMAQI
8th Jul 2025588 AMAQI
8th Jul 20251029 AMAQI
8th Jul 20259810 AMAQI
8th Jul 20259611 AMAQI
8th Jul 20259412 PMAQI
8th Jul 2025871 PMAQI
8th Jul 2025882 PMAQI
8th Jul 2025863 PMAQI
8th Jul 2025864 PMAQI
8th Jul 2025925 PMAQI
8th Jul 2025876 PMAQI
8th Jul 2025907 PMAQI
8th Jul 2025868 PMAQI
8th Jul 2025739 PMAQI
8th Jul 20256310 PMAQI
8th Jul 20256311 PMAQI
9th Jul 20256212 AMAQI
9th Jul 2025591 AMAQI
9th Jul 2025602 AMAQI
9th Jul 2025593 AMAQI
9th Jul 2025614 AMAQI
29°C24/36°C
9th Jul 2025665 AMAQI
9th Jul 2025656 AMAQI
9th Jul 2025657 AMAQI
9th Jul 2025658 AMAQI
9th Jul 2025629 AMAQI
9th Jul 20256010 AMAQI
9th Jul 20256211 AMAQI
9th Jul 20256412 PMAQI
9th Jul 2025681 PMAQI
9th Jul 2025682 PMAQI
9th Jul 2025623 PMAQI
9th Jul 2025564 PMAQI
9th Jul 2025575 PMAQI
9th Jul 2025566 PMAQI
9th Jul 2025567 PMAQI
9th Jul 2025588 PMAQI
9th Jul 2025599 PMAQI
9th Jul 20256210 PMAQI
9th Jul 20256111 PMAQI
10th Jul 20255912 AMAQI
10th Jul 2025591 AMAQI
10th Jul 2025592 AMAQI
10th Jul 2025613 AMAQI
10th Jul 2025614 AMAQI
30°C25/35°C
10th Jul 2025615 AMAQI
10th Jul 2025616 AMAQI
10th Jul 2025617 AMAQI
10th Jul 2025618 AMAQI
10th Jul 2025449 AMAQI
10th Jul 20254210 AMAQI
10th Jul 20254411 AMAQI
10th Jul 20254412 PMAQI
10th Jul 2025501 PMAQI
10th Jul 2025552 PMAQI
10th Jul 2025553 PMAQI
10th Jul 2025564 PMAQI
10th Jul 2025565 PMAQI
10th Jul 2025566 PMAQI
10th Jul 2025447 PMAQI
10th Jul 2025488 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255710 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
11th Jul 2025584 AMAQI
28°C23/34°C
11th Jul 2025565 AMAQI
11th Jul 2025596 AMAQI
11th Jul 2025577 AMAQI
11th Jul 2025588 AMAQI
11th Jul 2025559 AMAQI
11th Jul 20255510 AMAQI
11th Jul 20254111 AMAQI
11th Jul 20254212 PMAQI
11th Jul 2025441 PMAQI
11th Jul 2025432 PMAQI
11th Jul 2025453 PMAQI
11th Jul 2025494 PMAQI
11th Jul 2025485 PMAQI
11th Jul 2025466 PMAQI
11th Jul 2025477 PMAQI
11th Jul 2025508 PMAQI
11th Jul 2025539 PMAQI
11th Jul 20255510 PMAQI
11th Jul 20255511 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025574 AMAQI
27°C21/34°C
12th Jul 2025565 AMAQI
12th Jul 2025556 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025379 AMAQI
12th Jul 20252910 AMAQI
12th Jul 20253511 AMAQI
12th Jul 20253912 PMAQI
12th Jul 2025421 PMAQI
12th Jul 2025322 PMAQI
12th Jul 2025323 PMAQI
12th Jul 2025324 PMAQI
12th Jul 2025465 PMAQI
12th Jul 2025326 PMAQI
12th Jul 2025387 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20256210 PMAQI
12th Jul 20256311 PMAQI
13th Jul 20256212 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025563 AMAQI
13th Jul 2025554 AMAQI
27°C20/33°C
13th Jul 2025545 AMAQI
13th Jul 2025536 AMAQI
13th Jul 2025537 AMAQI
13th Jul 2025548 AMAQI
13th Jul 2025639 AMAQI
13th Jul 20257310 AMAQI
13th Jul 20257011 AMAQI
13th Jul 20257412 PMAQI
13th Jul 2025801 PMAQI
13th Jul 2025782 PMAQI
13th Jul 2025773 PMAQI
13th Jul 2025764 PMAQI
13th Jul 2025725 PMAQI
13th Jul 2025726 PMAQI
13th Jul 2025797 PMAQI
13th Jul 2025808 PMAQI
13th Jul 2025679 PMAQI
13th Jul 20256510 PMAQI
13th Jul 20256711 PMAQI
14th Jul 20256712 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025563 AMAQI
14th Jul 2025564 AMAQI
24°C21/29°C
14th Jul 2025595 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025789 AMAQI
14th Jul 20258610 AMAQI
14th Jul 20258611 AMAQI
14th Jul 20259112 PMAQI
14th Jul 2025861 PMAQI
14th Jul 2025832 PMAQI
14th Jul 2025713 PMAQI
14th Jul 2025684 PMAQI
14th Jul 2025645 PMAQI
14th Jul 2025616 PMAQI
14th Jul 2025547 PMAQI
14th Jul 2025488 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20255410 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025583 AMAQI
15th Jul 2025584 AMAQI
23°C20/27°C
15th Jul 2025625 AMAQI
15th Jul 2025626 AMAQI
15th Jul 2025627 AMAQI
15th Jul 2025628 AMAQI
15th Jul 2025299 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20252211 AMAQI
15th Jul 20252312 PMAQI
15th Jul 2025371 PMAQI
15th Jul 2025362 PMAQI
15th Jul 2025353 PMAQI
15th Jul 2025304 PMAQI
15th Jul 2025365 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025397 PMAQI
15th Jul 2025428 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20255411 PMAQI
16th Jul 20255412 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025572 AMAQI
16th Jul 2025573 AMAQI
16th Jul 2025564 AMAQI
22°C20/24°C
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025557 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025609 AMAQI
16th Jul 20256510 AMAQI
16th Jul 20256511 AMAQI
16th Jul 20256312 PMAQI
16th Jul 2025541 PMAQI
16th Jul 2025542 PMAQI
16th Jul 2025543 PMAQI
16th Jul 2025544 PMAQI
16th Jul 2025585 PMAQI
16th Jul 2025516 PMAQI
16th Jul 2025307 PMAQI
16th Jul 2025388 PMAQI
16th Jul 2025479 PMAQI
16th Jul 20254610 PMAQI
16th Jul 20255011 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025551 AMAQI
17th Jul 2025552 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025554 AMAQI
22°C20/24°C
17th Jul 2025565 AMAQI
17th Jul 2025566 AMAQI
17th Jul 2025567 AMAQI
17th Jul 2025568 AMAQI
17th Jul 2025279 AMAQI
17th Jul 20251610 AMAQI
17th Jul 20251411 AMAQI
17th Jul 20251212 PMAQI
17th Jul 2025201 PMAQI
17th Jul 2025222 PMAQI
17th Jul 2025233 PMAQI
17th Jul 2025224 PMAQI
17th Jul 2025295 PMAQI
17th Jul 2025306 PMAQI
17th Jul 2025237 PMAQI
17th Jul 2025308 PMAQI
17th Jul 2025439 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254111 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025542 AMAQI
18th Jul 2025553 AMAQI
18th Jul 2025544 AMAQI
23°C21/26°C
18th Jul 2025525 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025309 AMAQI
18th Jul 20252010 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20252612 PMAQI
18th Jul 2025291 PMAQI
18th Jul 2025312 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025494 PMAQI
18th Jul 2025405 PMAQI
18th Jul 2025436 PMAQI
18th Jul 2025417 PMAQI
18th Jul 2025498 PMAQI
18th Jul 2025529 PMAQI
18th Jul 20255410 PMAQI
18th Jul 20255311 PMAQI
19th Jul 20255212 AMAQI
19th Jul 2025531 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025523 AMAQI
19th Jul 2025514 AMAQI
23°C22/27°C
19th Jul 2025495 AMAQI
19th Jul 2025506 AMAQI
19th Jul 2025507 AMAQI
19th Jul 2025498 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20251610 AMAQI
19th Jul 20251711 AMAQI
19th Jul 20251812 PMAQI
19th Jul 2025171 PMAQI
19th Jul 2025182 PMAQI
19th Jul 2025183 PMAQI
19th Jul 2025264 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025326 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025328 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20254310 PMAQI
19th Jul 20254211 PMAQI
20th Jul 20253912 AMAQI
20th Jul 2025501 AMAQI
20th Jul 2025522 AMAQI
20th Jul 2025523 AMAQI
20th Jul 2025494 AMAQI
25°C22/28°C
20th Jul 2025465 AMAQI
20th Jul 2025466 AMAQI
20th Jul 2025467 AMAQI
20th Jul 2025468 AMAQI
20th Jul 2025359 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20253711 AMAQI
20th Jul 20253812 PMAQI
20th Jul 2025401 PMAQI
20th Jul 2025402 PMAQI
20th Jul 2025403 PMAQI
20th Jul 2025424 PMAQI
20th Jul 2025515 PMAQI
20th Jul 2025476 PMAQI
20th Jul 2025427 PMAQI
20th Jul 2025438 PMAQI
20th Jul 2025489 PMAQI
20th Jul 20255010 PMAQI
20th Jul 20254711 PMAQI
21st Jul 20255212 AMAQI
21st Jul 2025461 AMAQI
21st Jul 2025472 AMAQI
21st Jul 2025473 AMAQI
21st Jul 2025464 AMAQI
27°C23/31°C
21st Jul 2025455 AMAQI
21st Jul 2025456 AMAQI
21st Jul 2025447 AMAQI
21st Jul 2025448 AMAQI
21st Jul 2025569 AMAQI
21st Jul 20255610 AMAQI
21st Jul 20254211 AMAQI
21st Jul 20254512 PMAQI
21st Jul 2025521 PMAQI
21st Jul 2025522 PMAQI
21st Jul 2025413 PMAQI
21st Jul 2025404 PMAQI
21st Jul 2025385 PMAQI
21st Jul 2025406 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025358 PMAQI
21st Jul 2025419 PMAQI
21st Jul 20254310 PMAQI
21st Jul 20254111 PMAQI
22nd Jul 20254112 AMAQI
22nd Jul 2025451 AMAQI
22nd Jul 2025472 AMAQI
22nd Jul 2025463 AMAQI
22nd Jul 2025464 AMAQI
27°C24/31°C
22nd Jul 2025485 AMAQI
22nd Jul 2025486 AMAQI
22nd Jul 2025487 AMAQI
22nd Jul 2025468 AMAQI
22nd Jul 2025379 AMAQI
22nd Jul 20253410 AMAQI
22nd Jul 20253511 AMAQI
22nd Jul 20255012 PMAQI
22nd Jul 2025481 PMAQI
22nd Jul 2025462 PMAQI
22nd Jul 2025543 PMAQI
22nd Jul 2025524 PMAQI
22nd Jul 2025505 PMAQI
22nd Jul 2025526 PMAQI
22nd Jul 2025497 PMAQI
22nd Jul 2025468 PMAQI
22nd Jul 2025489 PMAQI
22nd Jul 20254310 PMAQI
22nd Jul 20254311 PMAQI
23rd Jul 20254812 AMAQI
23rd Jul 2025491 AMAQI
23rd Jul 2025492 AMAQI
23rd Jul 2025453 AMAQI
23rd Jul 2025464 AMAQI
27°C23/31°C
23rd Jul 2025445 AMAQI
23rd Jul 2025456 AMAQI
23rd Jul 2025457 AMAQI
23rd Jul 2025448 AMAQI
23rd Jul 2025529 AMAQI
23rd Jul 20254510 AMAQI
23rd Jul 20254611 AMAQI
23rd Jul 20255612 PMAQI
23rd Jul 2025531 PMAQI
23rd Jul 2025532 PMAQI
23rd Jul 2025533 PMAQI
23rd Jul 2025554 PMAQI
23rd Jul 2025675 PMAQI
23rd Jul 2025706 PMAQI
23rd Jul 2025637 PMAQI
23rd Jul 2025548 PMAQI
23rd Jul 2025529 PMAQI
23rd Jul 20255210 PMAQI
23rd Jul 20254911 PMAQI
24th Jul 20254712 AMAQI
24th Jul 2025461 AMAQI
24th Jul 2025462 AMAQI
24th Jul 2025453 AMAQI
24th Jul 2025464 AMAQI
27°C23/31°C
24th Jul 2025475 AMAQI
24th Jul 2025476 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025478 AMAQI
24th Jul 2025559 AMAQI
24th Jul 20255610 AMAQI
24th Jul 20255611 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025571 PMAQI
24th Jul 2025642 PMAQI
24th Jul 2025693 PMAQI
24th Jul 2025734 PMAQI
24th Jul 2025755 PMAQI
24th Jul 2025646 PMAQI
24th Jul 2025717 PMAQI
24th Jul 2025678 PMAQI
24th Jul 2025619 PMAQI
24th Jul 20256210 PMAQI
24th Jul 20256011 PMAQI
25th Jul 20255912 AMAQI
25th Jul 2025601 AMAQI
25th Jul 2025502 AMAQI
25th Jul 2025473 AMAQI
25th Jul 2025484 AMAQI
27°C23/32°C
25th Jul 2025515 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025518 AMAQI
25th Jul 2025739 AMAQI
25th Jul 20257810 AMAQI
25th Jul 20257511 AMAQI
25th Jul 20257612 PMAQI
25th Jul 2025751 PMAQI
25th Jul 2025742 PMAQI
25th Jul 2025723 PMAQI
25th Jul 2025704 PMAQI
25th Jul 2025625 PMAQI
25th Jul 2025756 PMAQI
25th Jul 2025727 PMAQI
25th Jul 2025658 PMAQI
25th Jul 2025619 PMAQI
25th Jul 20256610 PMAQI
25th Jul 20256611 PMAQI
26th Jul 20256612 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025544 AMAQI
29°C24/34°C
26th Jul 2025565 AMAQI
26th Jul 2025566 AMAQI
26th Jul 2025567 AMAQI
26th Jul 2025568 AMAQI
26th Jul 2025489 AMAQI
26th Jul 20253410 AMAQI
26th Jul 20253711 AMAQI
26th Jul 20254312 PMAQI
26th Jul 2025441 PMAQI
26th Jul 2025472 PMAQI
26th Jul 2025483 PMAQI
26th Jul 2025384 PMAQI
26th Jul 2025415 PMAQI
26th Jul 2025446 PMAQI
26th Jul 2025467 PMAQI
26th Jul 2025468 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255410 PMAQI
26th Jul 20255311 PMAQI
27th Jul 20255512 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025553 AMAQI
27th Jul 2025544 AMAQI
30°C25/35°C
27th Jul 2025535 AMAQI
27th Jul 2025546 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025548 AMAQI
27th Jul 2025389 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252511 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025262 PMAQI
27th Jul 2025263 PMAQI
27th Jul 2025304 PMAQI
27th Jul 2025285 PMAQI
27th Jul 2025286 PMAQI
27th Jul 2025517 PMAQI
27th Jul 2025548 PMAQI
27th Jul 2025639 PMAQI
27th Jul 20256210 PMAQI
27th Jul 20256111 PMAQI
28th Jul 20256212 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025524 AMAQI
30°C25/35°C
28th Jul 2025515 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025517 AMAQI
28th Jul 2025518 AMAQI
28th Jul 2025749 AMAQI
28th Jul 20258410 AMAQI
28th Jul 20258611 AMAQI
28th Jul 20258412 PMAQI
28th Jul 2025761 PMAQI
28th Jul 2025742 PMAQI
28th Jul 2025763 PMAQI
28th Jul 2025764 PMAQI
28th Jul 2025705 PMAQI
28th Jul 2025666 PMAQI
28th Jul 2025687 PMAQI
28th Jul 2025658 PMAQI
28th Jul 2025649 PMAQI
28th Jul 20257010 PMAQI
28th Jul 20256811 PMAQI
29th Jul 20256512 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025532 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025564 AMAQI
28°C25/33°C
29th Jul 2025585 AMAQI
29th Jul 2025586 AMAQI
29th Jul 2025587 AMAQI
29th Jul 2025588 AMAQI
29th Jul 2025769 AMAQI
29th Jul 20258410 AMAQI
29th Jul 20259011 AMAQI
29th Jul 202510012 PMAQI
29th Jul 2025891 PMAQI
29th Jul 2025892 PMAQI
29th Jul 2025843 PMAQI
29th Jul 2025824 PMAQI
29th Jul 2025805 PMAQI
29th Jul 2025886 PMAQI
29th Jul 2025897 PMAQI
29th Jul 2025808 PMAQI
29th Jul 2025669 PMAQI
29th Jul 20256610 PMAQI
29th Jul 20256411 PMAQI
30th Jul 20256212 AMAQI
30th Jul 2025571 AMAQI
30th Jul 2025572 AMAQI
30th Jul 2025573 AMAQI
30th Jul 2025604 AMAQI
29°C24/35°C
30th Jul 2025635 AMAQI
30th Jul 2025636 AMAQI
30th Jul 2025637 AMAQI
30th Jul 2025638 AMAQI
30th Jul 2025769 AMAQI
30th Jul 20257910 AMAQI
30th Jul 20257611 AMAQI
30th Jul 20257112 PMAQI
30th Jul 2025761 PMAQI
30th Jul 2025732 PMAQI
30th Jul 2025653 PMAQI
30th Jul 2025564 PMAQI
30th Jul 2025585 PMAQI
30th Jul 2025546 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025568 PMAQI
30th Jul 2025609 PMAQI
30th Jul 20255910 PMAQI
30th Jul 20256011 PMAQI
31st Jul 20256112 AMAQI
31st Jul 2025591 AMAQI
31st Jul 2025602 AMAQI
31st Jul 2025603 AMAQI
31st Jul 2025594 AMAQI
29°C24/34°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 20255711 AMAQI
31st Jul 20256012 PMAQI
31st Jul 2025661 PMAQI
31st Jul 2025762 PMAQI
31st Jul 2025743 PMAQI
31st Jul 2025764 PMAQI
31st Jul 2025745 PMAQI
31st Jul 2025666 PMAQI
31st Jul 2025707 PMAQI
31st Jul 2025638 PMAQI
31st Jul 2025559 PMAQI
31st Jul 20255710 PMAQI
31st Jul 20255811 PMAQI
1st Aug 20255812 AMAQI
1st Aug 2025581 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025564 AMAQI
28°C25/32°C
1st Aug 2025565 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025577 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20256310 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20256012 PMAQI
1st Aug 2025601 PMAQI
1st Aug 2025602 PMAQI
1st Aug 2025623 PMAQI
1st Aug 2025604 PMAQI
1st Aug 2025615 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025607 PMAQI
1st Aug 2025588 PMAQI
1st Aug 2025629 PMAQI
1st Aug 20256010 PMAQI
1st Aug 20256011 PMAQI
2nd Aug 20256012 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025564 AMAQI
28°C24/34°C
2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025577 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025729 AMAQI
2nd Aug 20258010 AMAQI
2nd Aug 20257311 AMAQI
2nd Aug 20258112 PMAQI
2nd Aug 2025761 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025604 PMAQI
2nd Aug 2025565 PMAQI
2nd Aug 2025636 PMAQI
2nd Aug 2025617 PMAQI
2nd Aug 2025568 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255910 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025584 AMAQI
28°C25/33°C
3rd Aug 2025595 AMAQI
3rd Aug 2025586 AMAQI
3rd Aug 2025597 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025629 AMAQI
3rd Aug 20256110 AMAQI
3rd Aug 20256511 AMAQI
3rd Aug 20256312 PMAQI
3rd Aug 2025641 PMAQI
3rd Aug 2025682 PMAQI
3rd Aug 2025703 PMAQI
3rd Aug 2025684 PMAQI
3rd Aug 2025675 PMAQI
3rd Aug 2025706 PMAQI
3rd Aug 2025667 PMAQI
3rd Aug 2025608 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255710 PMAQI
3rd Aug 20254811 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025572 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI
26°C25/29°C
4th Aug 2025585 AMAQI
5 AM4th Aug 2025586 AMAQI
4th Aug 2025597 AMAQI
4th Aug 2025598 AMAQI
4th Aug 2025399 AMAQI
4th Aug 20253710 AMAQI
4th Aug 20254011 AMAQI
4th Aug 20253612 PMAQI
12 PM4th Aug 2025391 PMAQI
4th Aug 2025342 PMAQI
4th Aug 2025403 PMAQI
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 PM
56AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
5 AM - 7 PM
56AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 PM (Avg. 56), while the lowest AQI was between 5 AM to 7 PM (Avg. 56).
Night time
Avg. Highest Time
12 AM - 11 PM
55AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
55AQI
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. 55), while the lowest AQI was between 12 AM to 11 PM (Avg. 55).
2025 Days Vs Air Quality
Sinjangdong, Osan, Gyeonggi, South Korea
2025
11%
23
80%
173
8%
18
0.4%
1
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
23 DaysModerate
173 DaysPoor
18 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 11%
Health Risk Level:
Extreme
In 2025, 11% of 216 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
Sinjangdong, Osan, Gyeonggi, South Korea
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
80AQI
80AQI
2nd January 2025
63AQI
63AQI
3rd January 2025
66AQI
66AQI
4th January 2025
69AQI
69AQI
5th January 2025
71AQI
71AQI
6th January 2025
98AQI
98AQI
7th January 2025
61AQI
61AQI
8th January 2025
75AQI
75AQI
9th January 2025
47AQI
47AQI
10th January 2025
62AQI
62AQI
11th January 2025
62AQI
62AQI
12th January 2025
86AQI
86AQI
13th January 2025
93AQI
93AQI
14th January 2025
104AQI
104AQI
15th January 2025
62AQI
62AQI
16th January 2025
81AQI
81AQI
17th January 2025
92AQI
92AQI
18th January 2025
88AQI
88AQI
19th January 2025
91AQI
91AQI
20th January 2025
133AQI
133AQI
21st January 2025
147AQI
147AQI
22nd January 2025
154AQI
154AQI
23rd January 2025
136AQI
136AQI
24th January 2025
109AQI
109AQI
25th January 2025
82AQI
82AQI
26th January 2025
59AQI
59AQI
27th January 2025
72AQI
72AQI
28th January 2025
60AQI
60AQI
29th January 2025
68AQI
68AQI
30th January 2025
57AQI
57AQI
31st January 2025
80AQI
80AQI
1st February 2025
77AQI
77AQI
2nd February 2025
93AQI
93AQI
3rd February 2025
57AQI
57AQI
4th February 2025
60AQI
60AQI
5th February 2025
50AQI
50AQI
6th February 2025
60AQI
60AQI
7th February 2025
51AQI
51AQI
8th February 2025
51AQI
51AQI
9th February 2025
54AQI
54AQI
10th February 2025
63AQI
63AQI
11th February 2025
75AQI
75AQI
12th February 2025
78AQI
78AQI
13th February 2025
58AQI
58AQI
14th February 2025
100AQI
100AQI
15th February 2025
60AQI
60AQI
16th February 2025
121AQI
121AQI
17th February 2025
55AQI
55AQI
18th February 2025
69AQI
69AQI
19th February 2025
51AQI
51AQI
20th February 2025
62AQI
62AQI
21st February 2025
58AQI
58AQI
22nd February 2025
63AQI
63AQI
23rd February 2025
58AQI
58AQI
24th February 2025
63AQI
63AQI
25th February 2025
61AQI
61AQI
26th February 2025
74AQI
74AQI
27th February 2025
65AQI
65AQI
28th February 2025
88AQI
88AQI
1st March 2025
105AQI
105AQI
2nd March 2025
75AQI
75AQI
3rd March 2025
58AQI
58AQI
4th March 2025
46AQI
46AQI
5th March 2025
38AQI
38AQI
6th March 2025
82AQI
82AQI
7th March 2025
102AQI
102AQI
8th March 2025
95AQI
95AQI
9th March 2025
115AQI
115AQI
10th March 2025
119AQI
119AQI
11th March 2025
116AQI
116AQI
12th March 2025
108AQI
108AQI
13th March 2025
100AQI
100AQI
14th March 2025
87AQI
87AQI
15th March 2025
64AQI
64AQI
16th March 2025
80AQI
80AQI
17th March 2025
70AQI
70AQI
18th March 2025
77AQI
77AQI
19th March 2025
89AQI
89AQI
20th March 2025
95AQI
95AQI
21st March 2025
109AQI
109AQI
22nd March 2025
110AQI
110AQI
23rd March 2025
117AQI
117AQI
24th March 2025
121AQI
121AQI
25th March 2025
134AQI
134AQI
26th March 2025
97AQI
97AQI
27th March 2025
96AQI
96AQI
28th March 2025
66AQI
66AQI
29th March 2025
55AQI
55AQI
30th March 2025
55AQI
55AQI
31st March 2025
67AQI
67AQI
1st April 2025
82AQI
82AQI
2nd April 2025
90AQI
90AQI
3rd April 2025
83AQI
83AQI
4th April 2025
91AQI
91AQI
5th April 2025
75AQI
75AQI
6th April 2025
75AQI
75AQI
7th April 2025
75AQI
75AQI
8th April 2025
80AQI
80AQI
9th April 2025
75AQI
75AQI
10th April 2025
82AQI
82AQI
11th April 2025
96AQI
96AQI
12th April 2025
71AQI
71AQI
13th April 2025
68AQI
68AQI
14th April 2025
51AQI
51AQI
15th April 2025
63AQI
63AQI
16th April 2025
66AQI
66AQI
17th April 2025
74AQI
74AQI
18th April 2025
89AQI
89AQI
19th April 2025
59AQI
59AQI
20th April 2025
67AQI
67AQI
21st April 2025
57AQI
57AQI
22nd April 2025
51AQI
51AQI
23rd April 2025
35AQI
35AQI
24th April 2025
69AQI
69AQI
25th April 2025
66AQI
66AQI
26th April 2025
63AQI
63AQI
27th April 2025
51AQI
51AQI
28th April 2025
65AQI
65AQI
29th April 2025
75AQI
75AQI
30th April 2025
64AQI
64AQI
1st May 2025
67AQI
67AQI
2nd May 2025
55AQI
55AQI
3rd May 2025
53AQI
53AQI
4th May 2025
54AQI
54AQI
5th May 2025
57AQI
57AQI
6th May 2025
47AQI
47AQI
7th May 2025
58AQI
58AQI
8th May 2025
69AQI
69AQI
9th May 2025
53AQI
53AQI
10th May 2025
64AQI
64AQI
11th May 2025
74AQI
74AQI
12th May 2025
75AQI
75AQI
13th May 2025
78AQI
78AQI
14th May 2025
76AQI
76AQI
15th May 2025
66AQI
66AQI
16th May 2025
55AQI
55AQI
17th May 2025
53AQI
53AQI
18th May 2025
62AQI
62AQI
19th May 2025
64AQI
64AQI
20th May 2025
42AQI
42AQI
21st May 2025
54AQI
54AQI
22nd May 2025
48AQI
48AQI
23rd May 2025
68AQI
68AQI
24th May 2025
51AQI
51AQI
25th May 2025
54AQI
54AQI
26th May 2025
66AQI
66AQI
27th May 2025
87AQI
87AQI
28th May 2025
93AQI
93AQI
29th May 2025
88AQI
88AQI
30th May 2025
83AQI
83AQI
31st May 2025
93AQI
93AQI
1st June 2025
94AQI
94AQI
2nd June 2025
104AQI
104AQI
3rd June 2025
84AQI
84AQI
4th June 2025
65AQI
65AQI
5th June 2025
63AQI
63AQI
6th June 2025
63AQI
63AQI
7th June 2025
74AQI
74AQI
8th June 2025
63AQI
63AQI
9th June 2025
69AQI
69AQI
10th June 2025
58AQI
58AQI
11th June 2025
59AQI
59AQI
12th June 2025
68AQI
68AQI
13th June 2025
83AQI
83AQI
14th June 2025
63AQI
63AQI
15th June 2025
62AQI
62AQI
16th June 2025
68AQI
68AQI
17th June 2025
65AQI
65AQI
18th June 2025
69AQI
69AQI
19th June 2025
67AQI
67AQI
20th June 2025
46AQI
46AQI
21st June 2025
63AQI
63AQI
22nd June 2025
74AQI
74AQI
23rd June 2025
77AQI
77AQI
24th June 2025
66AQI
66AQI
25th June 2025
50AQI
50AQI
26th June 2025
61AQI
61AQI
27th June 2025
71AQI
71AQI
28th June 2025
69AQI
69AQI
29th June 2025
51AQI
51AQI
30th June 2025
49AQI
49AQI
1st July 2025
46AQI
46AQI
2nd July 2025
48AQI
48AQI
3rd July 2025
58AQI
58AQI
4th July 2025
56AQI
56AQI
5th July 2025
54AQI
54AQI
6th July 2025
58AQI
58AQI
7th July 2025
72AQI
72AQI
8th July 2025
75AQI
75AQI
9th July 2025
61AQI
61AQI
10th July 2025
55AQI
55AQI
11th July 2025
52AQI
52AQI
12th July 2025
48AQI
48AQI
13th July 2025
66AQI
66AQI
14th July 2025
63AQI
63AQI
15th July 2025
46AQI
46AQI
16th July 2025
53AQI
53AQI
17th July 2025
38AQI
38AQI
18th July 2025
44AQI
44AQI
19th July 2025
37AQI
37AQI
20th July 2025
44AQI
44AQI
21st July 2025
44AQI
44AQI
22nd July 2025
46AQI
46AQI
23rd July 2025
52AQI
52AQI
24th July 2025
57AQI
57AQI
25th July 2025
63AQI
63AQI
26th July 2025
49AQI
49AQI
27th July 2025
45AQI
45AQI
28th July 2025
65AQI
65AQI
29th July 2025
72AQI
72AQI
30th July 2025
62AQI
62AQI
31st July 2025
62AQI
62AQI
1st August 2025
59AQI
59AQI
2nd August 2025
61AQI
61AQI
3rd August 2025
59AQI
59AQI
84AQI
67AQI
89AQI
70AQI
65AQI
67AQI
55AQI
60AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202571AQI
1
24
5
1
1
26
1
2
18
11
1
29
3
28
3
26
1
12
19
3
23
173
18
1
Highest AQI recorded in
March89AQI
Lowest AQI recorded in
July55AQI
202463AQI
6
18
7
10
12
6
1
4
24
3
4
25
1
11
20
4
26
20
10
1
7
23
1
20
10
14
17
8
21
1
5
26
113
232
20
1
Highest AQI recorded in
January76AQI
Lowest AQI recorded in
September45AQI
202369AQI
5
17
6
3
1
19
5
3
1
16
14
2
22
5
1
7
24
4
26
9
20
2
12
19
16
14
11
20
11
17
1
10
15
6
89
229
39
7
Highest AQI recorded in
February98AQI
Lowest AQI recorded in
September51AQI
202268AQI
2
20
7
2
2
12
5
2
5
19
7
6
23
1
9
21
17
13
5
16
1
17
9
2
13
15
3
5
22
3
4
25
2
86
195
30
4
Highest AQI recorded in
February89AQI
Lowest AQI recorded in
August27AQI
202166AQI
6
23
2
3
18
4
3
3
20
6
1
1
9
20
1
8
19
2
1
1
5
24
1
10
20
1
15
16
25
5
14
17
8
19
1
2
8
16
7
114
217
25
6
2
1
Highest AQI recorded in
March88AQI
Lowest AQI recorded in
September37AQI
202061AQI
3
9
1
4
17
5
12
1
3
26
1
18
13
18
13
20
10
10
19
2
6
19
5
7
18
6
94
156
16
Highest AQI recorded in
December76AQI
Lowest AQI recorded in
September44AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
71AQILeast Polluted Year Recorded
2020(Avg.)
61AQISinjangdong's annual 2025 AQI (71) shows an average percentage change of 8.6% (worsened AQI) compared to previous years: 2020 (61), 2021 (66), 2022 (68), 2023 (69), 2024 (63).
