Hyangnam, 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
Hyangnam, Osan, Gyeonggi, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Aug 2021
98AQILowest AQI recorded on
31st Aug 2022
27AQISame Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 55 of Moderate air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Hyangnam, Osan, Gyeonggi, South Korea
AQI
Day
Night
.
5 AM5th Aug 2025
7 PM
4 AM6th Aug 2025
Day time
Avg. Highest Time
6AM5th Aug
56AQI
Avg. Lowest Time
6PM5th Aug
39AQI
Night time
Avg. Highest Time
2AM6th Aug
55AQI
Avg. Lowest Time
8PM5th Aug
45AQI
In the last 24 hours,
Hyangnam's AQI reached its highest point of 56 at 6 AM during the Day, while the lowest point, 39, was recorded at 6 PM during the Day between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hyangnam, Osan, Gyeonggi, South Korea
JulAug
07th - 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 - 05th05th - 06th06th
Day
Night
7th Jul 2025545 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025629 AMAQI
7th Jul 20257310 AMAQI
7th Jul 20258711 AMAQI
7th Jul 20258212 PMAQI
7th Jul 2025821 PMAQI
7th Jul 2025872 PMAQI
7th Jul 2025913 PMAQI
7th Jul 2025904 PMAQI
7th Jul 2025895 PMAQI
7th Jul 2025856 PMAQI
7th Jul 2025827 PMAQI
7th Jul 2025738 PMAQI
7th Jul 2025609 PMAQI
7th Jul 20255810 PMAQI
7th Jul 20255711 PMAQI
8th Jul 20255912 AMAQI
8th Jul 2025601 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025533 AMAQI
8th Jul 2025554 AMAQI
28°C24/33°C
8th Jul 2025585 AMAQI
8th Jul 2025586 AMAQI
8th Jul 2025587 AMAQI
8th Jul 2025588 AMAQI
8th Jul 2025849 AMAQI
8th Jul 202510110 AMAQI
8th Jul 20259211 AMAQI
8th Jul 20258312 PMAQI
8th Jul 2025811 PMAQI
8th Jul 2025822 PMAQI
8th Jul 2025823 PMAQI
8th Jul 2025824 PMAQI
8th Jul 2025825 PMAQI
8th Jul 2025866 PMAQI
8th Jul 2025917 PMAQI
8th Jul 2025748 PMAQI
8th Jul 2025659 PMAQI
8th Jul 20255810 PMAQI
8th Jul 20255611 PMAQI
9th Jul 20255312 AMAQI
9th Jul 2025561 AMAQI
9th Jul 2025572 AMAQI
9th Jul 2025573 AMAQI
9th Jul 2025604 AMAQI
29°C24/36°C
9th Jul 2025635 AMAQI
9th Jul 2025636 AMAQI
9th Jul 2025647 AMAQI
9th Jul 2025638 AMAQI
9th Jul 2025569 AMAQI
9th Jul 20255410 AMAQI
9th Jul 20255711 AMAQI
9th Jul 20256012 PMAQI
9th Jul 2025631 PMAQI
9th Jul 2025612 PMAQI
9th Jul 2025593 PMAQI
9th Jul 2025534 PMAQI
9th Jul 2025535 PMAQI
9th Jul 2025526 PMAQI
9th Jul 2025517 PMAQI
9th Jul 2025548 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255610 PMAQI
9th Jul 20255611 PMAQI
10th Jul 20255612 AMAQI
10th Jul 2025561 AMAQI
10th Jul 2025562 AMAQI
10th Jul 2025593 AMAQI
10th Jul 2025594 AMAQI
30°C25/35°C
10th Jul 2025595 AMAQI
10th Jul 2025606 AMAQI
10th Jul 2025607 AMAQI
10th Jul 2025598 AMAQI
10th Jul 2025449 AMAQI
10th Jul 20254110 AMAQI
10th Jul 20254011 AMAQI
10th Jul 20253812 PMAQI
10th Jul 2025421 PMAQI
10th Jul 2025402 PMAQI
10th Jul 2025443 PMAQI
10th Jul 2025484 PMAQI
10th Jul 2025445 PMAQI
10th Jul 2025476 PMAQI
10th Jul 2025487 PMAQI
10th Jul 2025528 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025573 AMAQI
11th Jul 2025574 AMAQI
28°C23/34°C
11th Jul 2025565 AMAQI
11th Jul 2025586 AMAQI
11th Jul 2025567 AMAQI
11th Jul 2025558 AMAQI
11th Jul 2025389 AMAQI
11th Jul 20253310 AMAQI
11th Jul 20253511 AMAQI
11th Jul 20253712 PMAQI
11th Jul 2025381 PMAQI
11th Jul 2025452 PMAQI
11th Jul 2025383 PMAQI
11th Jul 2025424 PMAQI
11th Jul 2025385 PMAQI
11th Jul 2025386 PMAQI
11th Jul 2025407 PMAQI
11th Jul 2025478 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255510 PMAQI
11th Jul 20255511 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025572 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025564 AMAQI
27°C21/34°C
12th Jul 2025555 AMAQI
12th Jul 2025556 AMAQI
12th Jul 2025557 AMAQI
12th Jul 2025558 AMAQI
12th Jul 2025509 AMAQI
12th Jul 20254810 AMAQI
12th Jul 20253411 AMAQI
12th Jul 20253712 PMAQI
12th Jul 2025401 PMAQI
12th Jul 2025362 PMAQI
12th Jul 2025383 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025495 PMAQI
12th Jul 2025346 PMAQI
12th Jul 2025397 PMAQI
12th Jul 2025518 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20255910 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025571 AMAQI
13th Jul 2025562 AMAQI
13th Jul 2025563 AMAQI
13th Jul 2025554 AMAQI
27°C20/33°C
13th Jul 2025545 AMAQI
13th Jul 2025546 AMAQI
13th Jul 2025547 AMAQI
13th Jul 2025548 AMAQI
13th Jul 2025679 AMAQI
13th Jul 20257610 AMAQI
13th Jul 20257311 AMAQI
13th Jul 20257612 PMAQI
13th Jul 2025761 PMAQI
13th Jul 2025812 PMAQI
13th Jul 2025763 PMAQI
13th Jul 2025754 PMAQI
13th Jul 2025775 PMAQI
13th Jul 2025736 PMAQI
13th Jul 2025737 PMAQI
13th Jul 2025718 PMAQI
13th Jul 2025659 PMAQI
13th Jul 20256610 PMAQI
13th Jul 20256911 PMAQI
14th Jul 20256512 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025563 AMAQI
14th Jul 2025574 AMAQI
24°C21/29°C
14th Jul 2025595 AMAQI
14th Jul 2025596 AMAQI
14th Jul 2025597 AMAQI
14th Jul 2025608 AMAQI
14th Jul 2025749 AMAQI
14th Jul 20257710 AMAQI
14th Jul 20258311 AMAQI
14th Jul 20258612 PMAQI
14th Jul 2025851 PMAQI
14th Jul 2025802 PMAQI
14th Jul 2025743 PMAQI
14th Jul 2025594 PMAQI
14th Jul 2025415 PMAQI
14th Jul 2025366 PMAQI
14th Jul 2025307 PMAQI
14th Jul 2025428 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255411 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025571 AMAQI
15th Jul 2025582 AMAQI
15th Jul 2025583 AMAQI
15th Jul 2025604 AMAQI
23°C20/27°C
15th Jul 2025625 AMAQI
15th Jul 2025626 AMAQI
15th Jul 2025627 AMAQI
15th Jul 2025628 AMAQI
15th Jul 2025309 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20251711 AMAQI
15th Jul 20252112 PMAQI
15th Jul 2025331 PMAQI
15th Jul 2025302 PMAQI
15th Jul 2025293 PMAQI
15th Jul 2025274 PMAQI
15th Jul 2025285 PMAQI
15th Jul 2025286 PMAQI
15th Jul 2025307 PMAQI
15th Jul 2025418 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255310 PMAQI
15th Jul 20255511 PMAQI
16th Jul 20255612 AMAQI
16th Jul 2025581 AMAQI
16th Jul 2025582 AMAQI
16th Jul 2025583 AMAQI
16th Jul 2025574 AMAQI
22°C20/24°C
16th Jul 2025555 AMAQI
16th Jul 2025556 AMAQI
16th Jul 2025557 AMAQI
16th Jul 2025558 AMAQI
16th Jul 2025629 AMAQI
16th Jul 20256510 AMAQI
16th Jul 20256511 AMAQI
16th Jul 20256312 PMAQI
16th Jul 2025581 PMAQI
16th Jul 2025582 PMAQI
16th Jul 2025583 PMAQI
16th Jul 2025544 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025476 PMAQI
16th Jul 2025377 PMAQI
16th Jul 2025398 PMAQI
16th Jul 2025499 PMAQI
16th Jul 20254810 PMAQI
16th Jul 20255011 PMAQI
17th Jul 20255212 AMAQI
17th Jul 2025561 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025563 AMAQI
17th Jul 2025574 AMAQI
22°C20/24°C
17th Jul 2025585 AMAQI
17th Jul 2025576 AMAQI
17th Jul 2025577 AMAQI
17th Jul 2025578 AMAQI
17th Jul 2025279 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20251511 AMAQI
17th Jul 20251512 PMAQI
17th Jul 2025201 PMAQI
17th Jul 2025202 PMAQI
17th Jul 2025243 PMAQI
17th Jul 2025274 PMAQI
17th Jul 2025245 PMAQI
17th Jul 2025246 PMAQI
17th Jul 2025257 PMAQI
17th Jul 2025328 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254511 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025562 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025544 AMAQI
23°C21/26°C
18th Jul 2025525 AMAQI
18th Jul 2025536 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025379 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20253212 PMAQI
18th Jul 2025371 PMAQI
18th Jul 2025372 PMAQI
18th Jul 2025413 PMAQI
18th Jul 2025494 PMAQI
18th Jul 2025385 PMAQI
18th Jul 2025346 PMAQI
18th Jul 2025347 PMAQI
18th Jul 2025428 PMAQI
18th Jul 2025499 PMAQI
18th Jul 20254610 PMAQI
18th Jul 20255211 PMAQI
19th Jul 20255312 AMAQI
19th Jul 2025501 AMAQI
19th Jul 2025532 AMAQI
19th Jul 2025533 AMAQI
19th Jul 2025524 AMAQI
23°C22/27°C
19th Jul 2025515 AMAQI
19th Jul 2025516 AMAQI
19th Jul 2025507 AMAQI
19th Jul 2025518 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20252310 AMAQI
19th Jul 20251611 AMAQI
19th Jul 20251612 PMAQI
19th Jul 2025181 PMAQI
19th Jul 2025182 PMAQI
19th Jul 2025163 PMAQI
19th Jul 2025174 PMAQI
19th Jul 2025175 PMAQI
19th Jul 2025186 PMAQI
19th Jul 2025207 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025399 PMAQI
19th Jul 20254010 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20253912 AMAQI
20th Jul 2025431 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 2025339 AMAQI
20th Jul 20252110 AMAQI
20th Jul 20252411 AMAQI
20th Jul 20253112 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025323 PMAQI
20th Jul 2025334 PMAQI
20th Jul 2025405 PMAQI
20th Jul 2025396 PMAQI
20th Jul 2025297 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253910 PMAQI
20th Jul 20254211 PMAQI
21st Jul 20254112 AMAQI
21st Jul 2025471 AMAQI
21st Jul 2025472 AMAQI
21st Jul 2025473 AMAQI
21st Jul 2025454 AMAQI
27°C23/31°C
21st Jul 2025445 AMAQI
21st Jul 2025446 AMAQI
21st Jul 2025437 AMAQI
21st Jul 2025448 AMAQI
21st Jul 2025509 AMAQI
21st Jul 20255010 AMAQI
21st Jul 20254111 AMAQI
21st Jul 20254112 PMAQI
21st Jul 2025331 PMAQI
21st Jul 2025282 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025234 PMAQI
21st Jul 2025255 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025227 PMAQI
21st Jul 2025288 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253310 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20253412 AMAQI
22nd Jul 2025431 AMAQI
22nd Jul 2025462 AMAQI
22nd Jul 2025453 AMAQI
22nd Jul 2025454 AMAQI
27°C24/31°C
22nd Jul 2025445 AMAQI
22nd Jul 2025466 AMAQI
22nd Jul 2025447 AMAQI
22nd Jul 2025448 AMAQI
22nd Jul 2025319 AMAQI
22nd Jul 20252710 AMAQI
22nd Jul 20252611 AMAQI
22nd Jul 20253212 PMAQI
22nd Jul 2025411 PMAQI
22nd Jul 2025422 PMAQI
22nd Jul 2025373 PMAQI
22nd Jul 2025364 PMAQI
22nd Jul 2025305 PMAQI
22nd Jul 2025276 PMAQI
22nd Jul 2025277 PMAQI
22nd Jul 2025298 PMAQI
22nd Jul 2025349 PMAQI
22nd Jul 20253510 PMAQI
22nd Jul 20253611 PMAQI
23rd Jul 20253412 AMAQI
23rd Jul 2025361 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025443 AMAQI
23rd Jul 2025434 AMAQI
27°C23/31°C
23rd Jul 2025425 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025427 AMAQI
23rd Jul 2025428 AMAQI
23rd Jul 2025449 AMAQI
23rd Jul 20254910 AMAQI
23rd Jul 20254811 AMAQI
23rd Jul 20255512 PMAQI
23rd Jul 2025561 PMAQI
23rd Jul 2025562 PMAQI
23rd Jul 2025553 PMAQI
23rd Jul 2025554 PMAQI
23rd Jul 2025545 PMAQI
23rd Jul 2025576 PMAQI
23rd Jul 2025567 PMAQI
23rd Jul 2025408 PMAQI
23rd Jul 2025439 PMAQI
23rd Jul 20254410 PMAQI
23rd Jul 20254511 PMAQI
24th Jul 20254412 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025442 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025464 AMAQI
27°C23/31°C
24th Jul 2025475 AMAQI
24th Jul 2025476 AMAQI
24th Jul 2025477 AMAQI
24th Jul 2025478 AMAQI
24th Jul 2025509 AMAQI
24th Jul 20254610 AMAQI
24th Jul 20255111 AMAQI
24th Jul 20255912 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025682 PMAQI
24th Jul 2025713 PMAQI
24th Jul 2025724 PMAQI
24th Jul 2025705 PMAQI
24th Jul 2025646 PMAQI
24th Jul 2025627 PMAQI
24th Jul 2025568 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255510 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025561 AMAQI
25th Jul 2025492 AMAQI
25th Jul 2025473 AMAQI
25th Jul 2025494 AMAQI
27°C23/32°C
25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025518 AMAQI
25th Jul 2025729 AMAQI
25th Jul 20258010 AMAQI
25th Jul 20257811 AMAQI
25th Jul 20257412 PMAQI
25th Jul 2025731 PMAQI
25th Jul 2025752 PMAQI
25th Jul 2025783 PMAQI
25th Jul 2025764 PMAQI
25th Jul 2025725 PMAQI
25th Jul 2025806 PMAQI
25th Jul 2025907 PMAQI
25th Jul 2025718 PMAQI
25th Jul 2025619 PMAQI
25th Jul 20256010 PMAQI
25th Jul 20256111 PMAQI
26th Jul 20256112 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 2025576 AMAQI
26th Jul 2025577 AMAQI
26th Jul 2025568 AMAQI
26th Jul 2025499 AMAQI
26th Jul 20253310 AMAQI
26th Jul 20253311 AMAQI
26th Jul 20253312 PMAQI
26th Jul 2025331 PMAQI
26th Jul 2025532 PMAQI
26th Jul 2025523 PMAQI
26th Jul 2025434 PMAQI
26th Jul 2025345 PMAQI
26th Jul 2025316 PMAQI
26th Jul 2025407 PMAQI
26th Jul 2025628 PMAQI
26th Jul 2025659 PMAQI
26th Jul 20256710 PMAQI
26th Jul 20256311 PMAQI
27th Jul 20256212 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025553 AMAQI
27th Jul 2025544 AMAQI
30°C25/35°C
27th Jul 2025545 AMAQI
27th Jul 2025546 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025548 AMAQI
27th Jul 2025469 AMAQI
27th Jul 20254010 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20252512 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025272 PMAQI
27th Jul 2025273 PMAQI
27th Jul 2025314 PMAQI
27th Jul 2025315 PMAQI
27th Jul 2025406 PMAQI
27th Jul 2025507 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025569 PMAQI
27th Jul 20255810 PMAQI
27th Jul 20255811 PMAQI
28th Jul 20255912 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025552 AMAQI
28th Jul 2025553 AMAQI
28th Jul 2025544 AMAQI
30°C25/35°C
28th Jul 2025525 AMAQI
28th Jul 2025526 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025729 AMAQI
28th Jul 20257310 AMAQI
28th Jul 20257811 AMAQI
28th Jul 20257912 PMAQI
28th Jul 2025741 PMAQI
28th Jul 2025692 PMAQI
28th Jul 2025703 PMAQI
28th Jul 2025694 PMAQI
28th Jul 2025695 PMAQI
28th Jul 2025726 PMAQI
28th Jul 2025727 PMAQI
28th Jul 2025678 PMAQI
28th Jul 2025609 PMAQI
28th Jul 20255710 PMAQI
28th Jul 20255811 PMAQI
29th Jul 20255812 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025552 AMAQI
29th Jul 2025553 AMAQI
29th Jul 2025564 AMAQI
28°C25/33°C
29th Jul 2025595 AMAQI
29th Jul 2025606 AMAQI
29th Jul 2025597 AMAQI
29th Jul 2025608 AMAQI
29th Jul 2025649 AMAQI
29th Jul 20257810 AMAQI
29th Jul 20258911 AMAQI
29th Jul 20259312 PMAQI
29th Jul 2025881 PMAQI
29th Jul 2025882 PMAQI
29th Jul 2025843 PMAQI
29th Jul 2025864 PMAQI
29th Jul 2025845 PMAQI
29th Jul 2025876 PMAQI
29th Jul 2025807 PMAQI
29th Jul 2025788 PMAQI
29th Jul 2025599 PMAQI
29th Jul 20255610 PMAQI
29th Jul 20255811 PMAQI
30th Jul 20256112 AMAQI
30th Jul 2025581 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 2025849 AMAQI
30th Jul 20258610 AMAQI
30th Jul 20258511 AMAQI
30th Jul 20258612 PMAQI
30th Jul 2025761 PMAQI
30th Jul 2025662 PMAQI
30th Jul 2025613 PMAQI
30th Jul 2025554 PMAQI
30th Jul 2025585 PMAQI
30th Jul 2025546 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025548 PMAQI
30th Jul 2025589 PMAQI
30th Jul 20256010 PMAQI
30th Jul 20256311 PMAQI
31st Jul 20256312 AMAQI
31st Jul 2025601 AMAQI
31st Jul 2025602 AMAQI
31st Jul 2025603 AMAQI
31st Jul 2025614 AMAQI
29°C24/34°C
31st Jul 2025615 AMAQI
31st Jul 2025616 AMAQI
31st Jul 2025617 AMAQI
31st Jul 2025618 AMAQI
31st Jul 2025619 AMAQI
31st Jul 20256110 AMAQI
31st Jul 20256211 AMAQI
31st Jul 20256112 PMAQI
31st Jul 2025631 PMAQI
31st Jul 2025712 PMAQI
31st Jul 2025743 PMAQI
31st Jul 2025744 PMAQI
31st Jul 2025745 PMAQI
31st Jul 2025716 PMAQI
31st Jul 2025747 PMAQI
31st Jul 2025668 PMAQI
31st Jul 2025539 PMAQI
31st Jul 20255410 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025574 AMAQI
28°C25/32°C
1st Aug 2025565 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025549 AMAQI
1st Aug 20255810 AMAQI
1st Aug 20255511 AMAQI
1st Aug 20255612 PMAQI
1st Aug 2025541 PMAQI
1st Aug 2025612 PMAQI
1st Aug 2025653 PMAQI
1st Aug 2025654 PMAQI
1st Aug 2025685 PMAQI
1st Aug 2025606 PMAQI
1st Aug 2025597 PMAQI
1st Aug 2025578 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20255810 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025554 AMAQI
28°C24/34°C
2nd Aug 2025555 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025769 AMAQI
2nd Aug 20257810 AMAQI
2nd Aug 20257211 AMAQI
2nd Aug 20258212 PMAQI
2nd Aug 2025801 PMAQI
2nd Aug 2025582 PMAQI
2nd Aug 2025543 PMAQI
2nd Aug 2025584 PMAQI
2nd Aug 2025605 PMAQI
2nd Aug 2025636 PMAQI
2nd Aug 2025607 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025574 AMAQI
28°C25/33°C
3rd Aug 2025585 AMAQI
3rd Aug 2025586 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025669 AMAQI
3rd Aug 20256410 AMAQI
3rd Aug 20257011 AMAQI
3rd Aug 20256712 PMAQI
3rd Aug 2025681 PMAQI
3rd Aug 2025702 PMAQI
3rd Aug 2025683 PMAQI
3rd Aug 2025664 PMAQI
3rd Aug 2025645 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025637 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255510 PMAQI
3rd Aug 20255111 PMAQI
4th Aug 20255112 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI
26°C25/29°C
4th Aug 2025585 AMAQI
4th Aug 2025586 AMAQI
4th Aug 2025597 AMAQI
4th Aug 2025608 AMAQI
4th Aug 2025379 AMAQI
4th Aug 20253910 AMAQI
4th Aug 20254211 AMAQI
4th Aug 20253912 PMAQI
4th Aug 2025421 PMAQI
4th Aug 2025382 PMAQI
4th Aug 2025373 PMAQI
4th Aug 2025394 PMAQI
4th Aug 2025465 PMAQI
4th Aug 2025386 PMAQI
4th Aug 2025527 PMAQI
4th Aug 2025548 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255411 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025554 AMAQI
26°C23/31°C
5th Aug 2025555 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025519 AMAQI
5th Aug 20255510 AMAQI
5th Aug 20255311 AMAQI
5th Aug 20255212 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025512 PMAQI
5th Aug 2025503 PMAQI
5th Aug 2025404 PMAQI
5th Aug 2025405 PMAQI
5th Aug 2025396 PMAQI
5th Aug 2025407 PMAQI
5th Aug 2025458 PMAQI
5th Aug 2025479 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254611 PMAQI
6th Aug 20254912 AMAQI
6th Aug 2025541 AMAQI
6th Aug 2025552 AMAQI
6th Aug 2025553 AMAQI
6th Aug 2025544 AMAQI
26°C23/31°C
6th Aug 2025555 AMAQI
5 AM6th Aug 2025556 AMAQI
6th Aug 2025557 AMAQI
6th Aug 2025548 AMAQI
6th Aug 2025339 AMAQI
6th Aug 20253210 AMAQI
6th Aug 20253211 AMAQI
6th Aug 20253612 PMAQI
12 PM6th Aug 2025401 PMAQI
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 PM
53AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
5 AM - 7 PM
53AQI
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. 53), while the lowest AQI was between 5 AM to 7 PM (Avg. 53).
Night time
Avg. Highest Time
12 AM - 11 PM
53AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
53AQI
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. 53), while the lowest AQI was between 12 AM to 11 PM (Avg. 53).
2025 Days Vs Air Quality
Hyangnam, Osan, Gyeonggi, South Korea
2025
20%
44
71%
155
8%
18
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
44 DaysModerate
155 DaysPoor
18 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 20%
Health Risk Level:
Very high
In 2025, 20% of 218 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
Hyangnam, 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
77AQI
77AQI
2nd January 2025
61AQI
61AQI
3rd January 2025
62AQI
62AQI
4th January 2025
63AQI
63AQI
5th January 2025
69AQI
69AQI
6th January 2025
91AQI
91AQI
7th January 2025
53AQI
53AQI
8th January 2025
66AQI
66AQI
9th January 2025
42AQI
42AQI
10th January 2025
52AQI
52AQI
11th January 2025
55AQI
55AQI
12th January 2025
77AQI
77AQI
13th January 2025
87AQI
87AQI
14th January 2025
101AQI
101AQI
15th January 2025
53AQI
53AQI
16th January 2025
75AQI
75AQI
17th January 2025
78AQI
78AQI
18th January 2025
83AQI
83AQI
19th January 2025
84AQI
84AQI
20th January 2025
131AQI
131AQI
21st January 2025
134AQI
134AQI
22nd January 2025
150AQI
150AQI
23rd January 2025
120AQI
120AQI
24th January 2025
110AQI
110AQI
25th January 2025
67AQI
67AQI
26th January 2025
58AQI
58AQI
27th January 2025
67AQI
67AQI
28th January 2025
56AQI
56AQI
29th January 2025
57AQI
57AQI
30th January 2025
52AQI
52AQI
31st January 2025
72AQI
72AQI
1st February 2025
77AQI
77AQI
2nd February 2025
91AQI
91AQI
3rd February 2025
52AQI
52AQI
4th February 2025
51AQI
51AQI
5th February 2025
40AQI
40AQI
6th February 2025
55AQI
55AQI
7th February 2025
42AQI
42AQI
8th February 2025
39AQI
39AQI
9th February 2025
44AQI
44AQI
10th February 2025
55AQI
55AQI
11th February 2025
70AQI
70AQI
12th February 2025
75AQI
75AQI
13th February 2025
49AQI
49AQI
14th February 2025
89AQI
89AQI
15th February 2025
57AQI
57AQI
16th February 2025
114AQI
114AQI
17th February 2025
48AQI
48AQI
18th February 2025
60AQI
60AQI
19th February 2025
44AQI
44AQI
20th February 2025
53AQI
53AQI
21st February 2025
50AQI
50AQI
22nd February 2025
56AQI
56AQI
23rd February 2025
50AQI
50AQI
24th February 2025
54AQI
54AQI
25th February 2025
53AQI
53AQI
26th February 2025
66AQI
66AQI
27th February 2025
60AQI
60AQI
28th February 2025
84AQI
84AQI
1st March 2025
102AQI
102AQI
2nd March 2025
72AQI
72AQI
3rd March 2025
56AQI
56AQI
4th March 2025
46AQI
46AQI
5th March 2025
36AQI
36AQI
6th March 2025
76AQI
76AQI
7th March 2025
88AQI
88AQI
8th March 2025
87AQI
87AQI
9th March 2025
105AQI
105AQI
10th March 2025
110AQI
110AQI
11th March 2025
106AQI
106AQI
12th March 2025
104AQI
104AQI
13th March 2025
97AQI
97AQI
14th March 2025
79AQI
79AQI
15th March 2025
58AQI
58AQI
16th March 2025
73AQI
73AQI
17th March 2025
62AQI
62AQI
18th March 2025
72AQI
72AQI
19th March 2025
80AQI
80AQI
20th March 2025
92AQI
92AQI
21st March 2025
101AQI
101AQI
22nd March 2025
107AQI
107AQI
23rd March 2025
117AQI
117AQI
24th March 2025
116AQI
116AQI
25th March 2025
134AQI
134AQI
26th March 2025
97AQI
97AQI
27th March 2025
93AQI
93AQI
28th March 2025
63AQI
63AQI
29th March 2025
47AQI
47AQI
30th March 2025
45AQI
45AQI
31st March 2025
63AQI
63AQI
1st April 2025
77AQI
77AQI
2nd April 2025
87AQI
87AQI
3rd April 2025
85AQI
85AQI
4th April 2025
85AQI
85AQI
5th April 2025
80AQI
80AQI
6th April 2025
72AQI
72AQI
7th April 2025
75AQI
75AQI
8th April 2025
81AQI
81AQI
9th April 2025
74AQI
74AQI
10th April 2025
80AQI
80AQI
11th April 2025
93AQI
93AQI
12th April 2025
66AQI
66AQI
13th April 2025
65AQI
65AQI
14th April 2025
46AQI
46AQI
15th April 2025
61AQI
61AQI
16th April 2025
63AQI
63AQI
17th April 2025
71AQI
71AQI
18th April 2025
86AQI
86AQI
19th April 2025
55AQI
55AQI
20th April 2025
68AQI
68AQI
21st April 2025
54AQI
54AQI
22nd April 2025
55AQI
55AQI
23rd April 2025
37AQI
37AQI
24th April 2025
69AQI
69AQI
25th April 2025
61AQI
61AQI
26th April 2025
58AQI
58AQI
27th April 2025
41AQI
41AQI
28th April 2025
62AQI
62AQI
29th April 2025
70AQI
70AQI
30th April 2025
60AQI
60AQI
1st May 2025
62AQI
62AQI
2nd May 2025
51AQI
51AQI
3rd May 2025
49AQI
49AQI
4th May 2025
47AQI
47AQI
5th May 2025
53AQI
53AQI
6th May 2025
43AQI
43AQI
7th May 2025
56AQI
56AQI
8th May 2025
64AQI
64AQI
9th May 2025
51AQI
51AQI
10th May 2025
64AQI
64AQI
11th May 2025
73AQI
73AQI
12th May 2025
75AQI
75AQI
13th May 2025
76AQI
76AQI
14th May 2025
74AQI
74AQI
15th May 2025
65AQI
65AQI
16th May 2025
57AQI
57AQI
17th May 2025
50AQI
50AQI
18th May 2025
57AQI
57AQI
19th May 2025
62AQI
62AQI
20th May 2025
38AQI
38AQI
21st May 2025
52AQI
52AQI
22nd May 2025
51AQI
51AQI
23rd May 2025
63AQI
63AQI
24th May 2025
47AQI
47AQI
25th May 2025
48AQI
48AQI
26th May 2025
68AQI
68AQI
27th May 2025
87AQI
87AQI
28th May 2025
91AQI
91AQI
29th May 2025
83AQI
83AQI
30th May 2025
88AQI
88AQI
31st May 2025
91AQI
91AQI
1st June 2025
94AQI
94AQI
2nd June 2025
101AQI
101AQI
3rd June 2025
77AQI
77AQI
4th June 2025
60AQI
60AQI
5th June 2025
57AQI
57AQI
6th June 2025
59AQI
59AQI
7th June 2025
69AQI
69AQI
8th June 2025
57AQI
57AQI
9th June 2025
64AQI
64AQI
10th June 2025
56AQI
56AQI
11th June 2025
55AQI
55AQI
12th June 2025
65AQI
65AQI
13th June 2025
79AQI
79AQI
14th June 2025
65AQI
65AQI
15th June 2025
59AQI
59AQI
16th June 2025
66AQI
66AQI
17th June 2025
65AQI
65AQI
18th June 2025
67AQI
67AQI
19th June 2025
65AQI
65AQI
20th June 2025
45AQI
45AQI
21st June 2025
61AQI
61AQI
22nd June 2025
69AQI
69AQI
23rd June 2025
74AQI
74AQI
24th June 2025
64AQI
64AQI
25th June 2025
50AQI
50AQI
26th June 2025
61AQI
61AQI
27th June 2025
70AQI
70AQI
28th June 2025
64AQI
64AQI
29th June 2025
48AQI
48AQI
30th June 2025
42AQI
42AQI
1st July 2025
40AQI
40AQI
2nd July 2025
41AQI
41AQI
3rd July 2025
53AQI
53AQI
4th July 2025
51AQI
51AQI
5th July 2025
50AQI
50AQI
6th July 2025
53AQI
53AQI
7th July 2025
67AQI
67AQI
8th July 2025
71AQI
71AQI
9th July 2025
57AQI
57AQI
10th July 2025
52AQI
52AQI
11th July 2025
48AQI
48AQI
12th July 2025
49AQI
49AQI
13th July 2025
66AQI
66AQI
14th July 2025
58AQI
58AQI
15th July 2025
44AQI
44AQI
16th July 2025
54AQI
54AQI
17th July 2025
39AQI
39AQI
18th July 2025
45AQI
45AQI
19th July 2025
35AQI
35AQI
20th July 2025
39AQI
39AQI
21st July 2025
37AQI
37AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
46AQI
46AQI
24th July 2025
54AQI
54AQI
25th July 2025
64AQI
64AQI
26th July 2025
50AQI
50AQI
27th July 2025
47AQI
47AQI
28th July 2025
63AQI
63AQI
29th July 2025
70AQI
70AQI
30th July 2025
63AQI
63AQI
31st July 2025
63AQI
63AQI
1st August 2025
58AQI
58AQI
2nd August 2025
61AQI
61AQI
3rd August 2025
60AQI
60AQI
4th August 2025
50AQI
50AQI
5th August 2025
55AQI
55AQI
78AQI
60AQI
83AQI
68AQI
62AQI
64AQI
52AQI
57AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202567AQI
1
24
6
9
18
1
4
17
10
3
27
7
24
4
25
1
15
16
1
4
44
155
18
Highest AQI recorded in
March83AQI
Lowest AQI recorded in
July52AQI
202468AQI
7
17
7
8
11
9
1
5
21
3
2
1
18
7
6
23
2
29
1
19
10
2
6
25
14
16
10
20
1
9
20
1
5
26
90
236
33
3
Highest AQI recorded in
April83AQI
Lowest AQI recorded in
July50AQI
202374AQI
5
16
7
3
2
15
7
4
1
14
15
1
24
5
1
4
24
3
3
27
8
21
2
10
21
10
19
1
8
19
4
11
16
2
11
13
7
73
229
53
9
Highest AQI recorded in
March98AQI
Lowest AQI recorded in
September57AQI
202276AQI
20
9
2
4
10
5
2
4
19
8
6
15
9
6
23
2
12
17
1
4
19
1
10
15
2
1
10
14
6
1
2
17
10
1
2
20
9
61
189
61
7
Highest AQI recorded in
November94AQI
Lowest AQI recorded in
August27AQI
202174AQI
5
22
3
6
15
4
3
2
19
8
1
1
5
22
3
5
20
4
2
3
23
4
9
21
1
13
18
18
11
10
20
1
6
16
6
2
8
13
10
90
220
44
6
1
2
Highest AQI recorded in
March100AQI
Lowest AQI recorded in
September50AQI
202070AQI
3
8
2
3
17
1
2
12
4
2
25
3
13
16
2
16
15
14
14
7
19
5
5
16
9
5
14
11
1
70
156
37
1
Highest AQI recorded in
December86AQI
Lowest AQI recorded in
September52AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
76AQILeast Polluted Year Recorded
2025(Avg.)
67AQIHyangnam's annual 2025 AQI (67) shows an average percentage change of -7.7% (improved AQI) compared to previous years: 2020 (70), 2021 (74), 2022 (76), 2023 (74), 2024 (68).
