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HistoryAQIPM2.5PM10COSO2NO2O3

Songbuk Dong, 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+

October Air Quality Analysis

Songbuk Dong, Osan, Gyeonggi, South Korea

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Oct 2022
153AQI
Lowest AQI recorded on
8th Oct 2023
21AQI

Same Day Analysis (14th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 33 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 14th Oct - 15th Oct 2025

Songbuk Dong, Osan, Gyeonggi, South Korea

AQI
Day
Night
.

6 AM14th Oct 2025

6 PM

5 AM15th Oct 2025

Day time
Avg. Highest Time
5PM14th Oct

42AQI

Avg. Lowest Time
11AM14th Oct

14AQI

Night time
Avg. Highest Time
4AM15th Oct

71AQI

Avg. Lowest Time
6PM14th Oct

33AQI

In the last 24 hours,

Songbuk Dong's AQI reached its highest point of 71 at 4 AM during the Night, while the lowest point, 14, was recorded at 11 AM during the Day between 14th Oct and 15th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Songbuk Dong, Osan, Gyeonggi, South Korea

SepOct
15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th
Day
Night
15th Sep 2025436 AMAQI
15th Sep 2025447 AMAQI
15th Sep 2025438 AMAQI
15th Sep 2025529 AMAQI
15th Sep 20255310 AMAQI
15th Sep 20255011 AMAQI
15th Sep 20255212 PMAQI
15th Sep 2025471 PMAQI
15th Sep 2025392 PMAQI
15th Sep 2025413 PMAQI
15th Sep 2025524 PMAQI
15th Sep 2025555 PMAQI
15th Sep 2025616 PMAQI
15th Sep 2025607 PMAQI
15th Sep 2025588 PMAQI
15th Sep 2025559 PMAQI
15th Sep 20255810 PMAQI
15th Sep 20255811 PMAQI
16th Sep 20255412 AMAQI
16th Sep 2025441 AMAQI
16th Sep 2025442 AMAQI
16th Sep 2025463 AMAQI
16th Sep 2025464 AMAQI
16th Sep 2025465 AMAQI

24°C20/29°C

16th Sep 2025466 AMAQI
16th Sep 2025467 AMAQI
16th Sep 2025468 AMAQI
16th Sep 2025729 AMAQI
16th Sep 20257510 AMAQI
16th Sep 20257011 AMAQI
16th Sep 20256012 PMAQI
16th Sep 2025541 PMAQI
16th Sep 2025442 PMAQI
16th Sep 2025453 PMAQI
16th Sep 2025454 PMAQI
16th Sep 2025325 PMAQI
16th Sep 2025216 PMAQI
16th Sep 2025227 PMAQI
16th Sep 2025308 PMAQI
16th Sep 2025389 PMAQI
16th Sep 20254310 PMAQI
16th Sep 20254211 PMAQI
17th Sep 20253912 AMAQI
17th Sep 2025481 AMAQI
17th Sep 2025472 AMAQI
17th Sep 2025473 AMAQI
17th Sep 2025504 AMAQI
17th Sep 2025525 AMAQI

24°C21/28°C

17th Sep 2025526 AMAQI
17th Sep 2025527 AMAQI
17th Sep 2025538 AMAQI
17th Sep 2025359 AMAQI
17th Sep 20252810 AMAQI
17th Sep 20252811 AMAQI
17th Sep 20253112 PMAQI
17th Sep 2025281 PMAQI
17th Sep 2025232 PMAQI
17th Sep 2025203 PMAQI
17th Sep 2025194 PMAQI
17th Sep 2025255 PMAQI
17th Sep 2025236 PMAQI
17th Sep 2025277 PMAQI
17th Sep 2025378 PMAQI
17th Sep 2025449 PMAQI
17th Sep 20254710 PMAQI
17th Sep 20254411 PMAQI
18th Sep 20254412 AMAQI
18th Sep 2025481 AMAQI
18th Sep 2025502 AMAQI
18th Sep 2025503 AMAQI
18th Sep 2025474 AMAQI
18th Sep 2025465 AMAQI

22°C19/25°C

18th Sep 2025466 AMAQI
18th Sep 2025467 AMAQI
18th Sep 2025458 AMAQI
18th Sep 2025269 AMAQI
18th Sep 20251910 AMAQI
18th Sep 20251811 AMAQI
18th Sep 20252012 PMAQI
18th Sep 2025151 PMAQI
18th Sep 2025162 PMAQI
18th Sep 2025173 PMAQI
18th Sep 2025174 PMAQI
18th Sep 2025165 PMAQI
18th Sep 2025166 PMAQI
18th Sep 2025187 PMAQI
18th Sep 2025248 PMAQI
18th Sep 2025359 PMAQI
18th Sep 20253810 PMAQI
18th Sep 20253411 PMAQI
19th Sep 20253312 AMAQI
19th Sep 2025391 AMAQI
19th Sep 2025472 AMAQI
19th Sep 2025483 AMAQI
19th Sep 2025454 AMAQI
19th Sep 2025415 AMAQI

21°C18/25°C

19th Sep 2025426 AMAQI
19th Sep 2025417 AMAQI
19th Sep 2025418 AMAQI
19th Sep 2025229 AMAQI
19th Sep 20251610 AMAQI
19th Sep 20252911 AMAQI
19th Sep 20252412 PMAQI
19th Sep 2025241 PMAQI
19th Sep 2025232 PMAQI
19th Sep 2025233 PMAQI
19th Sep 2025354 PMAQI
19th Sep 2025325 PMAQI
19th Sep 2025206 PMAQI
19th Sep 2025207 PMAQI
19th Sep 2025408 PMAQI
19th Sep 2025489 PMAQI
19th Sep 20254410 PMAQI
19th Sep 20253611 PMAQI
20th Sep 20253012 AMAQI
20th Sep 2025401 AMAQI
20th Sep 2025412 AMAQI
20th Sep 2025423 AMAQI
20th Sep 2025394 AMAQI
20th Sep 2025385 AMAQI

18°C16/19°C

20th Sep 2025376 AMAQI
20th Sep 2025377 AMAQI
20th Sep 2025388 AMAQI
20th Sep 2025209 AMAQI
20th Sep 20251410 AMAQI
20th Sep 20251411 AMAQI
20th Sep 20251512 PMAQI
20th Sep 2025161 PMAQI
20th Sep 2025162 PMAQI
20th Sep 2025163 PMAQI
20th Sep 2025204 PMAQI
20th Sep 2025245 PMAQI
20th Sep 2025236 PMAQI
20th Sep 2025227 PMAQI
20th Sep 2025308 PMAQI
20th Sep 2025459 PMAQI
20th Sep 20253810 PMAQI
20th Sep 20253911 PMAQI
21st Sep 20253812 AMAQI
21st Sep 2025401 AMAQI
21st Sep 2025382 AMAQI
21st Sep 2025383 AMAQI
21st Sep 2025354 AMAQI
21st Sep 2025325 AMAQI

19°C17/22°C

21st Sep 2025336 AMAQI
21st Sep 2025337 AMAQI
21st Sep 2025338 AMAQI
21st Sep 2025189 AMAQI
21st Sep 20251410 AMAQI
21st Sep 20251511 AMAQI
21st Sep 20251212 PMAQI
21st Sep 2025131 PMAQI
21st Sep 2025132 PMAQI
21st Sep 2025143 PMAQI
21st Sep 2025144 PMAQI
21st Sep 2025145 PMAQI
21st Sep 2025136 PMAQI
21st Sep 2025147 PMAQI
21st Sep 2025268 PMAQI
21st Sep 2025309 PMAQI
21st Sep 20253110 PMAQI
21st Sep 20252711 PMAQI
22nd Sep 20252412 AMAQI
22nd Sep 2025351 AMAQI
22nd Sep 2025362 AMAQI
22nd Sep 2025363 AMAQI
22nd Sep 2025344 AMAQI
22nd Sep 2025315 AMAQI

20°C16/25°C

22nd Sep 2025316 AMAQI
22nd Sep 2025317 AMAQI
22nd Sep 2025328 AMAQI
22nd Sep 2025209 AMAQI
22nd Sep 20251510 AMAQI
22nd Sep 20251611 AMAQI
22nd Sep 20251612 PMAQI
22nd Sep 2025201 PMAQI
22nd Sep 2025182 PMAQI
22nd Sep 2025183 PMAQI
22nd Sep 2025214 PMAQI
22nd Sep 2025205 PMAQI
22nd Sep 2025236 PMAQI
22nd Sep 2025257 PMAQI
22nd Sep 2025288 PMAQI
22nd Sep 2025309 PMAQI
22nd Sep 20254010 PMAQI
22nd Sep 20253411 PMAQI
23rd Sep 20252812 AMAQI
23rd Sep 2025331 AMAQI
23rd Sep 2025322 AMAQI
23rd Sep 2025323 AMAQI
23rd Sep 2025314 AMAQI
23rd Sep 2025295 AMAQI

20°C17/24°C

23rd Sep 2025296 AMAQI
23rd Sep 2025297 AMAQI
23rd Sep 2025308 AMAQI
23rd Sep 2025289 AMAQI
23rd Sep 20252510 AMAQI
23rd Sep 20252011 AMAQI
23rd Sep 20251812 PMAQI
23rd Sep 2025191 PMAQI
23rd Sep 2025242 PMAQI
23rd Sep 2025243 PMAQI
23rd Sep 2025204 PMAQI
23rd Sep 2025185 PMAQI
23rd Sep 2025186 PMAQI
23rd Sep 2025267 PMAQI
23rd Sep 2025278 PMAQI
23rd Sep 2025409 PMAQI
23rd Sep 20253210 PMAQI
23rd Sep 20252711 PMAQI
24th Sep 20252612 AMAQI
24th Sep 2025301 AMAQI
24th Sep 2025312 AMAQI
24th Sep 2025303 AMAQI
24th Sep 2025304 AMAQI
24th Sep 2025285 AMAQI

21°C18/25°C

24th Sep 2025296 AMAQI
24th Sep 2025297 AMAQI
24th Sep 2025288 AMAQI
24th Sep 2025209 AMAQI
24th Sep 20251910 AMAQI
24th Sep 20252111 AMAQI
24th Sep 20252712 PMAQI
24th Sep 2025401 PMAQI
24th Sep 2025412 PMAQI
24th Sep 2025403 PMAQI
24th Sep 2025464 PMAQI
24th Sep 2025405 PMAQI
24th Sep 2025316 PMAQI
24th Sep 2025207 PMAQI
24th Sep 2025278 PMAQI
24th Sep 2025279 PMAQI
24th Sep 20252610 PMAQI
24th Sep 20252411 PMAQI
25th Sep 20252412 AMAQI
25th Sep 2025271 AMAQI
25th Sep 2025282 AMAQI
25th Sep 2025293 AMAQI
25th Sep 2025294 AMAQI
25th Sep 2025295 AMAQI

21°C17/24°C

25th Sep 2025296 AMAQI
25th Sep 2025297 AMAQI
25th Sep 2025298 AMAQI
25th Sep 2025489 AMAQI
25th Sep 20254210 AMAQI
25th Sep 20255311 AMAQI
25th Sep 20255312 PMAQI
25th Sep 2025531 PMAQI
25th Sep 2025532 PMAQI
25th Sep 2025493 PMAQI
25th Sep 2025684 PMAQI
25th Sep 2025685 PMAQI
25th Sep 2025626 PMAQI
25th Sep 2025647 PMAQI
25th Sep 2025838 PMAQI
25th Sep 2025889 PMAQI
25th Sep 20257910 PMAQI
25th Sep 20258211 PMAQI
26th Sep 20258512 AMAQI
26th Sep 2025711 AMAQI
26th Sep 2025672 AMAQI
26th Sep 2025643 AMAQI
26th Sep 2025674 AMAQI
26th Sep 2025735 AMAQI

21°C19/24°C

26th Sep 2025686 AMAQI
26th Sep 2025597 AMAQI
26th Sep 2025668 AMAQI
26th Sep 2025709 AMAQI
26th Sep 20256910 AMAQI
26th Sep 20257311 AMAQI
26th Sep 20257912 PMAQI
26th Sep 2025711 PMAQI
26th Sep 2025582 PMAQI
26th Sep 2025623 PMAQI
26th Sep 2025764 PMAQI
26th Sep 2025875 PMAQI
26th Sep 2025886 PMAQI
26th Sep 20251207 PMAQI
26th Sep 20251228 PMAQI
26th Sep 20251249 PMAQI
26th Sep 202512510 PMAQI
26th Sep 20259611 PMAQI
27th Sep 20258512 AMAQI
27th Sep 2025821 AMAQI
27th Sep 2025822 AMAQI
27th Sep 2025863 AMAQI
27th Sep 2025824 AMAQI
27th Sep 2025735 AMAQI

21°C17/26°C

27th Sep 2025706 AMAQI
27th Sep 2025647 AMAQI
27th Sep 2025618 AMAQI
27th Sep 2025609 AMAQI
27th Sep 20256010 AMAQI
27th Sep 20254711 AMAQI
27th Sep 20254312 PMAQI
27th Sep 2025511 PMAQI
27th Sep 2025502 PMAQI
27th Sep 2025483 PMAQI
27th Sep 2025334 PMAQI
27th Sep 2025305 PMAQI
27th Sep 2025316 PMAQI
27th Sep 2025447 PMAQI
27th Sep 2025458 PMAQI
27th Sep 2025579 PMAQI
27th Sep 20255210 PMAQI
27th Sep 20255811 PMAQI
28th Sep 20255812 AMAQI
28th Sep 2025581 AMAQI
28th Sep 2025592 AMAQI
28th Sep 2025663 AMAQI
28th Sep 2025574 AMAQI
28th Sep 2025565 AMAQI

22°C17/27°C

28th Sep 2025576 AMAQI
28th Sep 2025497 AMAQI
28th Sep 2025488 AMAQI
28th Sep 2025589 AMAQI
28th Sep 20254310 AMAQI
28th Sep 20253711 AMAQI
28th Sep 20254012 PMAQI
28th Sep 2025451 PMAQI
28th Sep 2025502 PMAQI
28th Sep 2025493 PMAQI
28th Sep 2025514 PMAQI
28th Sep 2025545 PMAQI
28th Sep 2025566 PMAQI
28th Sep 2025587 PMAQI
28th Sep 2025648 PMAQI
28th Sep 2025649 PMAQI
28th Sep 20256110 PMAQI
28th Sep 20256111 PMAQI
29th Sep 20256212 AMAQI
29th Sep 2025621 AMAQI
29th Sep 2025492 AMAQI
29th Sep 2025493 AMAQI
29th Sep 2025554 AMAQI
29th Sep 2025585 AMAQI

19°C18/20°C

29th Sep 2025586 AMAQI
29th Sep 2025537 AMAQI
29th Sep 2025628 AMAQI
29th Sep 2025689 AMAQI
29th Sep 20257010 AMAQI
29th Sep 20256311 AMAQI
29th Sep 20254812 PMAQI
29th Sep 2025541 PMAQI
29th Sep 2025582 PMAQI
29th Sep 2025483 PMAQI
29th Sep 2025534 PMAQI
29th Sep 2025535 PMAQI
29th Sep 2025536 PMAQI
29th Sep 2025547 PMAQI
29th Sep 2025588 PMAQI
29th Sep 2025619 PMAQI
29th Sep 20256010 PMAQI
29th Sep 20256211 PMAQI
30th Sep 20255712 AMAQI
30th Sep 2025641 AMAQI
30th Sep 2025632 AMAQI
30th Sep 2025623 AMAQI
30th Sep 2025554 AMAQI
30th Sep 2025535 AMAQI

19°C17/23°C

30th Sep 2025606 AMAQI
30th Sep 2025687 AMAQI
30th Sep 2025718 AMAQI
30th Sep 2025709 AMAQI
30th Sep 20257610 AMAQI
30th Sep 20257511 AMAQI
30th Sep 20257612 PMAQI
30th Sep 2025721 PMAQI
30th Sep 2025602 PMAQI
30th Sep 2025573 PMAQI
30th Sep 2025644 PMAQI
30th Sep 2025575 PMAQI
30th Sep 2025726 PMAQI
30th Sep 2025767 PMAQI
30th Sep 2025778 PMAQI
30th Sep 2025819 PMAQI
30th Sep 20257610 PMAQI
30th Sep 20257411 PMAQI
1st Oct 20258412 AMAQI
1st Oct 2025841 AMAQI
1st Oct 2025982 AMAQI
1st Oct 2025733 AMAQI
1st Oct 2025724 AMAQI
1st Oct 2025725 AMAQI

19°C16/23°C

1st Oct 2025696 AMAQI
1st Oct 2025737 AMAQI
1st Oct 2025728 AMAQI
1st Oct 2025719 AMAQI
1st Oct 20257910 AMAQI
1st Oct 202510111 AMAQI
1st Oct 202511612 PMAQI
1st Oct 2025831 PMAQI
1st Oct 2025842 PMAQI
1st Oct 2025843 PMAQI
1st Oct 2025854 PMAQI
1st Oct 2025855 PMAQI
1st Oct 2025866 PMAQI
1st Oct 2025887 PMAQI
1st Oct 2025798 PMAQI
1st Oct 2025659 PMAQI
1st Oct 20256110 PMAQI
1st Oct 20255811 PMAQI
2nd Oct 20255612 AMAQI
2nd Oct 2025621 AMAQI
2nd Oct 2025562 AMAQI
2nd Oct 2025603 AMAQI
2nd Oct 2025754 AMAQI
2nd Oct 2025755 AMAQI

19°C16/24°C

2nd Oct 2025636 AMAQI
2nd Oct 2025627 AMAQI
2nd Oct 2025808 AMAQI
2nd Oct 2025849 AMAQI
2nd Oct 20258010 AMAQI
2nd Oct 20257811 AMAQI
2nd Oct 20257412 PMAQI
2nd Oct 2025721 PMAQI
2nd Oct 2025612 PMAQI
2nd Oct 2025643 PMAQI
2nd Oct 2025714 PMAQI
2nd Oct 2025735 PMAQI
2nd Oct 2025806 PMAQI
2nd Oct 2025857 PMAQI
2nd Oct 20251038 PMAQI
2nd Oct 2025889 PMAQI
2nd Oct 20258010 PMAQI
2nd Oct 202510111 PMAQI
3rd Oct 202510912 AMAQI
3rd Oct 20251001 AMAQI
3rd Oct 2025892 AMAQI
3rd Oct 2025823 AMAQI
3rd Oct 2025824 AMAQI
3rd Oct 2025815 AMAQI

21°C18/25°C

3rd Oct 2025776 AMAQI
3rd Oct 2025787 AMAQI
3rd Oct 2025688 AMAQI
3rd Oct 2025639 AMAQI
3rd Oct 20259610 AMAQI
3rd Oct 20255711 AMAQI
3rd Oct 20256312 PMAQI
3rd Oct 2025581 PMAQI
3rd Oct 2025572 PMAQI
3rd Oct 2025503 PMAQI
3rd Oct 2025494 PMAQI
3rd Oct 2025535 PMAQI
3rd Oct 2025496 PMAQI
3rd Oct 2025497 PMAQI
3rd Oct 2025448 PMAQI
3rd Oct 2025489 PMAQI
3rd Oct 20254410 PMAQI
3rd Oct 20253811 PMAQI
4th Oct 20254212 AMAQI
4th Oct 2025381 AMAQI
4th Oct 2025412 AMAQI
4th Oct 2025433 AMAQI
4th Oct 2025414 AMAQI
4th Oct 2025425 AMAQI

19°C18/20°C

4th Oct 2025396 AMAQI
4th Oct 2025407 AMAQI
4th Oct 2025408 AMAQI
4th Oct 2025419 AMAQI
4th Oct 20253910 AMAQI
4th Oct 20253911 AMAQI
4th Oct 20253912 PMAQI
4th Oct 2025391 PMAQI
4th Oct 2025372 PMAQI
4th Oct 2025413 PMAQI
4th Oct 2025404 PMAQI
4th Oct 2025415 PMAQI
4th Oct 2025556 PMAQI
4th Oct 2025547 PMAQI
4th Oct 2025548 PMAQI
4th Oct 2025639 PMAQI
4th Oct 20254710 PMAQI
4th Oct 20253511 PMAQI
5th Oct 20254012 AMAQI
5th Oct 2025431 AMAQI
5th Oct 2025452 AMAQI
5th Oct 2025493 AMAQI
5th Oct 2025334 AMAQI
5th Oct 2025385 AMAQI

20°C18/24°C

5th Oct 2025346 AMAQI
5th Oct 2025427 AMAQI
5th Oct 2025458 AMAQI
5th Oct 2025489 AMAQI
5th Oct 20255110 AMAQI
5th Oct 20255211 AMAQI
5th Oct 20255112 PMAQI
5th Oct 2025521 PMAQI
5th Oct 2025482 PMAQI
5th Oct 2025493 PMAQI
5th Oct 2025554 PMAQI
5th Oct 2025595 PMAQI
5th Oct 2025566 PMAQI
5th Oct 2025567 PMAQI
5th Oct 2025568 PMAQI
5th Oct 2025559 PMAQI
5th Oct 20255610 PMAQI
5th Oct 20254611 PMAQI
6th Oct 20254112 AMAQI
6th Oct 2025471 AMAQI
6th Oct 2025462 AMAQI
6th Oct 2025453 AMAQI
6th Oct 2025464 AMAQI
6th Oct 2025445 AMAQI

21°C20/22°C

6th Oct 2025406 AMAQI
6th Oct 2025467 AMAQI
6th Oct 2025608 AMAQI
6th Oct 2025639 AMAQI
6th Oct 20254610 AMAQI
6th Oct 20254211 AMAQI
6th Oct 20254012 PMAQI
6th Oct 2025401 PMAQI
6th Oct 2025382 PMAQI
6th Oct 2025413 PMAQI
6th Oct 2025404 PMAQI
6th Oct 2025425 PMAQI
6th Oct 2025406 PMAQI
6th Oct 2025437 PMAQI
6th Oct 2025458 PMAQI
6th Oct 2025319 PMAQI
6th Oct 20252410 PMAQI
6th Oct 20252611 PMAQI
7th Oct 20252912 AMAQI
7th Oct 2025291 AMAQI
7th Oct 2025272 AMAQI

19°C16/20°C

7th Oct 2025268 PMAQI
7th Oct 2025309 PMAQI
7th Oct 20252510 PMAQI
7th Oct 20252011 PMAQI
8th Oct 20251812 AMAQI
8th Oct 2025211 AMAQI
8th Oct 2025352 AMAQI
8th Oct 2025383 AMAQI
8th Oct 2025404 AMAQI
8th Oct 2025235 AMAQI

19°C16/20°C

8th Oct 2025226 AMAQI
8th Oct 2025197 AMAQI
8th Oct 2025188 AMAQI
8th Oct 2025189 AMAQI
8th Oct 20251410 AMAQI
8th Oct 20251611 AMAQI
8th Oct 20253512 PMAQI
8th Oct 2025451 PMAQI
8th Oct 2025412 PMAQI
8th Oct 2025383 PMAQI
8th Oct 2025384 PMAQI
8th Oct 2025505 PMAQI
8th Oct 2025506 PMAQI
8th Oct 2025457 PMAQI
8th Oct 2025528 PMAQI
8th Oct 2025569 PMAQI
8th Oct 20256010 PMAQI
8th Oct 20255711 PMAQI
9th Oct 20256712 AMAQI
9th Oct 2025641 AMAQI
9th Oct 2025682 AMAQI
9th Oct 2025603 AMAQI
9th Oct 2025574 AMAQI
9th Oct 2025555 AMAQI

21°C18/26°C

9th Oct 2025506 AMAQI
9th Oct 2025467 AMAQI
9th Oct 2025518 AMAQI
9th Oct 2025569 AMAQI
9th Oct 20255610 AMAQI
9th Oct 20255011 AMAQI
9th Oct 20251712 PMAQI
9th Oct 2025211 PMAQI
9th Oct 2025172 PMAQI
9th Oct 2025143 PMAQI
9th Oct 2025164 PMAQI
9th Oct 2025185 PMAQI
9th Oct 2025186 PMAQI
9th Oct 2025167 PMAQI
9th Oct 2025178 PMAQI
9th Oct 2025159 PMAQI
9th Oct 20251810 PMAQI
9th Oct 20252611 PMAQI
10th Oct 20251812 AMAQI
10th Oct 2025141 AMAQI
10th Oct 2025422 AMAQI
10th Oct 2025493 AMAQI
10th Oct 2025514 AMAQI
10th Oct 2025365 AMAQI

21°C19/24°C

10th Oct 2025346 AMAQI
10th Oct 2025367 AMAQI
10th Oct 2025348 AMAQI
10th Oct 2025369 AMAQI
10th Oct 20252110 AMAQI
10th Oct 20253411 AMAQI
10th Oct 20254712 PMAQI
10th Oct 2025451 PMAQI
10th Oct 2025422 PMAQI
10th Oct 2025403 PMAQI
10th Oct 2025494 PMAQI
10th Oct 2025545 PMAQI
10th Oct 2025556 PMAQI
10th Oct 2025477 PMAQI
10th Oct 2025498 PMAQI
10th Oct 2025619 PMAQI
10th Oct 20256210 PMAQI
10th Oct 20256311 PMAQI
11th Oct 20254412 AMAQI
11th Oct 2025551 AMAQI
11th Oct 2025582 AMAQI
11th Oct 2025563 AMAQI
11th Oct 2025474 AMAQI
11th Oct 2025245 AMAQI

18°C18/20°C

11th Oct 2025316 AMAQI
11th Oct 2025457 AMAQI
11th Oct 2025468 AMAQI
11th Oct 2025349 AMAQI
11th Oct 20253810 AMAQI
11th Oct 20255411 AMAQI
11th Oct 20254612 PMAQI
11th Oct 2025541 PMAQI
11th Oct 2025582 PMAQI
11th Oct 2025673 PMAQI
11th Oct 2025684 PMAQI
11th Oct 2025685 PMAQI
11th Oct 2025586 PMAQI
11th Oct 2025387 PMAQI
11th Oct 2025508 PMAQI
11th Oct 2025529 PMAQI
11th Oct 20255210 PMAQI
11th Oct 20255111 PMAQI
12th Oct 20254612 AMAQI
12th Oct 2025501 AMAQI
12th Oct 2025532 AMAQI
12th Oct 2025553 AMAQI
12th Oct 2025534 AMAQI
12th Oct 2025405 AMAQI

21°C18/26°C

12th Oct 2025476 AMAQI
12th Oct 2025507 AMAQI
12th Oct 2025518 AMAQI
12th Oct 2025419 AMAQI
12th Oct 20254010 AMAQI
12th Oct 20254011 AMAQI
12th Oct 20253712 PMAQI
12th Oct 2025401 PMAQI
12th Oct 2025382 PMAQI
12th Oct 2025403 PMAQI
12th Oct 2025414 PMAQI
12th Oct 2025455 PMAQI
12th Oct 2025466 PMAQI
12th Oct 2025497 PMAQI
12th Oct 2025518 PMAQI
12th Oct 2025489 PMAQI
12th Oct 20255010 PMAQI
12th Oct 20255011 PMAQI
13th Oct 20254912 AMAQI
13th Oct 2025441 AMAQI
13th Oct 2025492 AMAQI
13th Oct 2025483 AMAQI
13th Oct 2025494 AMAQI
13th Oct 2025455 AMAQI

20°C18/21°C

13th Oct 2025506 AMAQI
13th Oct 2025487 AMAQI
13th Oct 2025138 AMAQI
13th Oct 2025369 AMAQI
13th Oct 20255010 AMAQI
13th Oct 20254611 AMAQI
13th Oct 20251912 PMAQI
13th Oct 2025161 PMAQI
13th Oct 2025142 PMAQI
13th Oct 2025123 PMAQI
13th Oct 2025284 PMAQI
13th Oct 2025355 PMAQI
13th Oct 2025366 PMAQI
13th Oct 2025357 PMAQI
13th Oct 2025378 PMAQI
13th Oct 2025339 PMAQI
13th Oct 20253010 PMAQI
13th Oct 20253011 PMAQI
14th Oct 20253212 AMAQI
14th Oct 2025361 AMAQI
14th Oct 2025352 AMAQI
14th Oct 2025363 AMAQI
14th Oct 2025364 AMAQI
14th Oct 2025375 AMAQI

17°C15/18°C

14th Oct 2025366 AMAQI
14th Oct 2025377 AMAQI
14th Oct 2025358 AMAQI
14th Oct 2025159 AMAQI
14th Oct 20251610 AMAQI
14th Oct 20251411 AMAQI
14th Oct 20252412 PMAQI
14th Oct 2025311 PMAQI
14th Oct 2025382 PMAQI
14th Oct 2025393 PMAQI
14th Oct 2025404 PMAQI
14th Oct 2025425 PMAQI
14th Oct 2025336 PMAQI
14th Oct 2025397 PMAQI
14th Oct 2025438 PMAQI
14th Oct 2025409 PMAQI
14th Oct 20254210 PMAQI
14th Oct 20253711 PMAQI
15th Oct 20254412 AMAQI
15th Oct 2025561 AMAQI
15th Oct 2025562 AMAQI
15th Oct 2025683 AMAQI
15th Oct 2025714 AMAQI
15th Oct 2025595 AMAQI

16°C15/17°C

15th Oct 2025626 AMAQI
6 AM
15th Oct 2025607 AMAQI
15th Oct 2025618 AMAQI
15th Oct 2025619 AMAQI
15th Oct 20256110 AMAQI
15th Oct 20255711 AMAQI
15th Oct 20255812 PMAQI
12 PM
15th Oct 2025561 PMAQI
15th Oct 2025212 PMAQI
15th Oct 2025373 PMAQI
15th Oct 2025454 PMAQI
15th Oct 2025405 PMAQI
15th Oct 2025386 PMAQI
6 PM
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 8 AM

46AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
2 PM - 3 PM

40AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 AM (Avg. 46), while the lowest AQI was between 2 PM to 3 PM (Avg. 40).
Night time
Avg. Highest Time
9 PM

52AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
7 PM

45AQI

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. 52), while the lowest AQI was between 7 PM to 7 PM (Avg. 45).

2025 Days Vs Air Quality

Songbuk Dong, Osan, Gyeonggi, South Korea

2025

34%

99

60%

172

5%

15

0.3%

1

Total number of days with different AQI categories in last 288 days in 2025 (77 days remaining)

Good
99 Days
Moderate
172 Days
Poor
15 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 34%

Health Risk Level:

High

In 2025, 34% of 288 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

Songbuk Dong, 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.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
79AQI
2nd January 2025
68AQI
3rd January 2025
65AQI
4th January 2025
67AQI
5th January 2025
68AQI
6th January 2025
99AQI
7th January 2025
57AQI
8th January 2025
72AQI
9th January 2025
43AQI
10th January 2025
58AQI
11th January 2025
60AQI
12th January 2025
82AQI
13th January 2025
87AQI
14th January 2025
100AQI
15th January 2025
56AQI
16th January 2025
76AQI
17th January 2025
87AQI
18th January 2025
88AQI
19th January 2025
89AQI
20th January 2025
132AQI
21st January 2025
146AQI
22nd January 2025
152AQI
23rd January 2025
130AQI
24th January 2025
116AQI
25th January 2025
83AQI
26th January 2025
60AQI
27th January 2025
67AQI
28th January 2025
50AQI
29th January 2025
53AQI
30th January 2025
50AQI
31st January 2025
68AQI
1st February 2025
74AQI
2nd February 2025
80AQI
3rd February 2025
51AQI
4th February 2025
47AQI
5th February 2025
42AQI
6th February 2025
51AQI
7th February 2025
41AQI
8th February 2025
41AQI
9th February 2025
47AQI
10th February 2025
56AQI
11th February 2025
69AQI
12th February 2025
73AQI
13th February 2025
48AQI
14th February 2025
87AQI
15th February 2025
56AQI
16th February 2025
110AQI
17th February 2025
48AQI
18th February 2025
59AQI
19th February 2025
46AQI
20th February 2025
53AQI
21st February 2025
53AQI
22nd February 2025
55AQI
23rd February 2025
50AQI
24th February 2025
55AQI
25th February 2025
52AQI
26th February 2025
70AQI
27th February 2025
58AQI
28th February 2025
83AQI
1st March 2025
98AQI
2nd March 2025
70AQI
3rd March 2025
55AQI
4th March 2025
45AQI
5th March 2025
36AQI
6th March 2025
78AQI
7th March 2025
89AQI
8th March 2025
93AQI
9th March 2025
106AQI
10th March 2025
110AQI
11th March 2025
106AQI
12th March 2025
105AQI
13th March 2025
99AQI
14th March 2025
85AQI
15th March 2025
54AQI
16th March 2025
74AQI
17th March 2025
61AQI
18th March 2025
70AQI
19th March 2025
77AQI
20th March 2025
89AQI
21st March 2025
101AQI
22nd March 2025
106AQI
23rd March 2025
113AQI
24th March 2025
112AQI
25th March 2025
129AQI
26th March 2025
93AQI
27th March 2025
92AQI
28th March 2025
62AQI
29th March 2025
47AQI
30th March 2025
44AQI
31st March 2025
62AQI
1st April 2025
78AQI
2nd April 2025
83AQI
3rd April 2025
81AQI
4th April 2025
88AQI
5th April 2025
77AQI
6th April 2025
74AQI
7th April 2025
72AQI
8th April 2025
79AQI
9th April 2025
71AQI
10th April 2025
77AQI
11th April 2025
90AQI
12th April 2025
65AQI
13th April 2025
65AQI
14th April 2025
43AQI
15th April 2025
60AQI
16th April 2025
61AQI
17th April 2025
70AQI
18th April 2025
86AQI
19th April 2025
59AQI
20th April 2025
70AQI
21st April 2025
56AQI
22nd April 2025
53AQI
23rd April 2025
35AQI
24th April 2025
68AQI
25th April 2025
60AQI
26th April 2025
55AQI
27th April 2025
40AQI
28th April 2025
63AQI
29th April 2025
70AQI
30th April 2025
58AQI
1st May 2025
61AQI
2nd May 2025
48AQI
3rd May 2025
48AQI
4th May 2025
47AQI
5th May 2025
52AQI
6th May 2025
38AQI
7th May 2025
52AQI
8th May 2025
65AQI
9th May 2025
49AQI
10th May 2025
62AQI
11th May 2025
71AQI
12th May 2025
72AQI
13th May 2025
73AQI
14th May 2025
73AQI
15th May 2025
60AQI
16th May 2025
52AQI
17th May 2025
48AQI
18th May 2025
59AQI
19th May 2025
60AQI
20th May 2025
38AQI
21st May 2025
54AQI
22nd May 2025
49AQI
23rd May 2025
62AQI
24th May 2025
48AQI
25th May 2025
48AQI
26th May 2025
66AQI
27th May 2025
87AQI
28th May 2025
94AQI
29th May 2025
86AQI
30th May 2025
88AQI
31st May 2025
89AQI
1st June 2025
98AQI
2nd June 2025
111AQI
3rd June 2025
82AQI
4th June 2025
61AQI
5th June 2025
59AQI
6th June 2025
58AQI
7th June 2025
70AQI
8th June 2025
60AQI
9th June 2025
67AQI
10th June 2025
60AQI
11th June 2025
57AQI
12th June 2025
65AQI
13th June 2025
82AQI
14th June 2025
61AQI
15th June 2025
58AQI
16th June 2025
66AQI
17th June 2025
65AQI
18th June 2025
66AQI
19th June 2025
64AQI
20th June 2025
44AQI
21st June 2025
64AQI
22nd June 2025
69AQI
23rd June 2025
72AQI
24th June 2025
63AQI
25th June 2025
47AQI
26th June 2025
64AQI
27th June 2025
71AQI
28th June 2025
67AQI
29th June 2025
46AQI
30th June 2025
44AQI
1st July 2025
41AQI
2nd July 2025
40AQI
3rd July 2025
53AQI
4th July 2025
51AQI
5th July 2025
48AQI
6th July 2025
54AQI
7th July 2025
68AQI
8th July 2025
72AQI
9th July 2025
57AQI
10th July 2025
49AQI
11th July 2025
49AQI
12th July 2025
47AQI
13th July 2025
66AQI
14th July 2025
59AQI
15th July 2025
43AQI
16th July 2025
53AQI
17th July 2025
38AQI
18th July 2025
43AQI
19th July 2025
35AQI
20th July 2025
42AQI
21st July 2025
40AQI
22nd July 2025
44AQI
23rd July 2025
53AQI
24th July 2025
56AQI
25th July 2025
62AQI
26th July 2025
46AQI
27th July 2025
43AQI
28th July 2025
63AQI
29th July 2025
71AQI
30th July 2025
60AQI
31st July 2025
61AQI
1st August 2025
58AQI
2nd August 2025
61AQI
3rd August 2025
62AQI
4th August 2025
51AQI
5th August 2025
52AQI
6th August 2025
47AQI
7th August 2025
50AQI
8th August 2025
58AQI
9th August 2025
56AQI
10th August 2025
55AQI
11th August 2025
58AQI
12th August 2025
48AQI
13th August 2025
40AQI
14th August 2025
41AQI
15th August 2025
39AQI
16th August 2025
39AQI
17th August 2025
42AQI
18th August 2025
52AQI
19th August 2025
46AQI
20th August 2025
47AQI
21st August 2025
49AQI
22nd August 2025
48AQI
23rd August 2025
51AQI
24th August 2025
52AQI
25th August 2025
47AQI
26th August 2025
43AQI
27th August 2025
51AQI
28th August 2025
52AQI
29th August 2025
45AQI
30th August 2025
42AQI
31st August 2025
49AQI
1st September 2025
39AQI
2nd September 2025
48AQI
3rd September 2025
50AQI
4th September 2025
38AQI
5th September 2025
39AQI
6th September 2025
39AQI
7th September 2025
41AQI
8th September 2025
49AQI
9th September 2025
52AQI
10th September 2025
49AQI
11th September 2025
49AQI
12th September 2025
46AQI
13th September 2025
38AQI
14th September 2025
42AQI
15th September 2025
50AQI
16th September 2025
45AQI
17th September 2025
38AQI
18th September 2025
32AQI
19th September 2025
35AQI
20th September 2025
30AQI
21st September 2025
25AQI
22nd September 2025
27AQI
23rd September 2025
27AQI
24th September 2025
29AQI
25th September 2025
54AQI
26th September 2025
83AQI
27th September 2025
58AQI
28th September 2025
55AQI
29th September 2025
57AQI
30th September 2025
67AQI
1st October 2025
79AQI
2nd October 2025
75AQI
3rd October 2025
66AQI
4th October 2025
44AQI
5th October 2025
47AQI
6th October 2025
40AQI
7th October 2025
26AQI
8th October 2025
37AQI
9th October 2025
37AQI
10th October 2025
44AQI
11th October 2025
49AQI
12th October 2025
47AQI
13th October 2025
37AQI
14th October 2025
33AQI
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

81AQI

59AQI

83AQI

67AQI

61AQI

65AQI

52AQI

49AQI

44AQI

47AQI

No. of days

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

202562AQI

3
23
4
1
9
18
1
4
18
9
3
27
10
21
4
25
1
15
16
17
14
23
7
11
3
99
172
15
1

Highest AQI recorded in

March

83AQI

Lowest AQI recorded in

September

44AQI

202460AQI

11
13
7
10
11
7
1
6
20
3
2
5
21
4
13
17
1
8
22
25
4
2
11
19
24
6
18
12
1
9
20
1
3
28
143
193
26
3

Highest AQI recorded in

January

78AQI

Lowest AQI recorded in

September

38AQI

202376AQI

1
19
8
3
14
9
5
2
12
14
3
22
7
1
4
22
5
2
20
8
9
20
2
15
16
17
12
1
11
17
3
12
15
2
11
13
7
84
202
66
12

Highest AQI recorded in

March

104AQI

Lowest AQI recorded in

August

52AQI

202280AQI

18
10
3
2
11
5
3
4
17
10
5
17
8
3
26
2
10
20
4
21
2
1
10
17
2
10
14
6
1
2
16
10
2
1
21
9
53
199
62
9

Highest AQI recorded in

January

98AQI

Lowest AQI recorded in

August

43AQI

202177AQI

1
22
7
3
15
7
3
2
15
12
1
1
4
23
3
6
19
4
2
2
20
8
6
23
2
14
15
2
23
7
7
22
2
5
17
6
2
6
15
10
79
213
63
6
1
2

Highest AQI recorded in

March

104AQI

Lowest AQI recorded in

September

45AQI

202066AQI

3
9
1
5
15
1
5
11
2
3
24
3
16
15
21
10
19
9
8
18
4
1
4
18
7
1
3
15
12
1
87
144
30
3

Highest AQI recorded in

December

92AQI

Lowest AQI recorded in

August

44AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
80AQI
Least Polluted Year Recorded
2024(Avg.)
60AQI

Songbuk Dong's annual 2025 AQI (62) shows an average percentage change of -13.2% (improved AQI) compared to previous years: 2020 (66), 2021 (77), 2022 (80), 2023 (76), 2024 (60).