Sa Chon, Gyeongnam, 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+
September Air Quality Analysis
Sa Chon, Gyeongnam, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
13th Sep 2023
75AQILowest AQI recorded on
21st Sep 2024
16AQISame Day Analysis (19th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 32 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Sa Chon, Gyeongnam, South Korea
AQI
Day
Night
.
6 AM20th Sep 2025
6 PM
5 AM21st Sep 2025
Day time
Avg. Highest Time
6AM20th Sep
34AQI
Avg. Lowest Time
6PM20th Sep
19AQI
Night time
Avg. Highest Time
2AM21st Sep
35AQI
Avg. Lowest Time
7PM20th Sep
22AQI
In the last 24 hours,
Sa Chon's AQI reached its highest point of 35 at 2 AM during the Night, while the lowest point, 19, was recorded at 6 PM during the Day between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Sa Chon, Gyeongnam, South Korea
AugSep
22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st
Day
Night
22nd Aug 2025496 AMAQI
22nd Aug 2025507 AMAQI
22nd Aug 2025508 AMAQI
22nd Aug 2025549 AMAQI
22nd Aug 20255710 AMAQI
22nd Aug 20255111 AMAQI
22nd Aug 20256012 PMAQI
22nd Aug 2025571 PMAQI
22nd Aug 2025582 PMAQI
22nd Aug 2025553 PMAQI
22nd Aug 2025574 PMAQI
22nd Aug 2025465 PMAQI
22nd Aug 2025436 PMAQI
22nd Aug 2025547 PMAQI
22nd Aug 2025518 PMAQI
22nd Aug 2025499 PMAQI
22nd Aug 20255010 PMAQI
22nd Aug 20254811 PMAQI
23rd Aug 20254712 AMAQI
23rd Aug 2025481 AMAQI
23rd Aug 2025492 AMAQI
23rd Aug 2025503 AMAQI
23rd Aug 2025504 AMAQI
23rd Aug 2025515 AMAQI
28°C24/34°C
23rd Aug 2025516 AMAQI
23rd Aug 2025517 AMAQI
23rd Aug 2025518 AMAQI
23rd Aug 2025469 AMAQI
23rd Aug 20255010 AMAQI
23rd Aug 20254511 AMAQI
23rd Aug 20254512 PMAQI
23rd Aug 2025501 PMAQI
23rd Aug 2025462 PMAQI
23rd Aug 2025463 PMAQI
23rd Aug 2025564 PMAQI
23rd Aug 2025535 PMAQI
23rd Aug 2025506 PMAQI
23rd Aug 2025537 PMAQI
23rd Aug 2025528 PMAQI
23rd Aug 2025529 PMAQI
23rd Aug 20255110 PMAQI
23rd Aug 20255111 PMAQI
24th Aug 20255212 AMAQI
24th Aug 2025501 AMAQI
24th Aug 2025482 AMAQI
24th Aug 2025483 AMAQI
24th Aug 2025494 AMAQI
24th Aug 2025485 AMAQI
28°C24/35°C
24th Aug 2025486 AMAQI
24th Aug 2025487 AMAQI
24th Aug 2025498 AMAQI
24th Aug 2025559 AMAQI
24th Aug 20255610 AMAQI
24th Aug 20254911 AMAQI
24th Aug 20255512 PMAQI
24th Aug 2025571 PMAQI
24th Aug 2025542 PMAQI
24th Aug 2025523 PMAQI
24th Aug 2025524 PMAQI
24th Aug 2025525 PMAQI
24th Aug 2025516 PMAQI
24th Aug 2025507 PMAQI
24th Aug 2025488 PMAQI
24th Aug 2025509 PMAQI
24th Aug 20254810 PMAQI
24th Aug 20254711 PMAQI
25th Aug 20254812 AMAQI
25th Aug 2025481 AMAQI
25th Aug 2025492 AMAQI
25th Aug 2025493 AMAQI
25th Aug 2025504 AMAQI
25th Aug 2025505 AMAQI
28°C24/35°C
25th Aug 2025506 AMAQI
25th Aug 2025507 AMAQI
25th Aug 2025518 AMAQI
25th Aug 2025389 AMAQI
25th Aug 20254310 AMAQI
25th Aug 20254611 AMAQI
25th Aug 20254412 PMAQI
25th Aug 2025531 PMAQI
25th Aug 2025462 PMAQI
25th Aug 2025453 PMAQI
25th Aug 2025464 PMAQI
25th Aug 2025495 PMAQI
25th Aug 2025386 PMAQI
25th Aug 2025467 PMAQI
25th Aug 2025408 PMAQI
25th Aug 2025439 PMAQI
25th Aug 20254310 PMAQI
25th Aug 20254011 PMAQI
26th Aug 20254112 AMAQI
26th Aug 2025491 AMAQI
26th Aug 2025502 AMAQI
26th Aug 2025503 AMAQI
26th Aug 2025504 AMAQI
26th Aug 2025505 AMAQI
28°C24/34°C
26th Aug 2025496 AMAQI
26th Aug 2025507 AMAQI
26th Aug 2025508 AMAQI
26th Aug 2025269 AMAQI
26th Aug 20252610 AMAQI
26th Aug 20252811 AMAQI
26th Aug 20253412 PMAQI
26th Aug 2025361 PMAQI
26th Aug 2025342 PMAQI
26th Aug 2025393 PMAQI
26th Aug 2025404 PMAQI
26th Aug 2025335 PMAQI
26th Aug 2025406 PMAQI
26th Aug 2025407 PMAQI
26th Aug 2025468 PMAQI
26th Aug 2025449 PMAQI
26th Aug 20254610 PMAQI
26th Aug 20254211 PMAQI
27th Aug 20254712 AMAQI
27th Aug 2025501 AMAQI
27th Aug 2025472 AMAQI
27th Aug 2025483 AMAQI
27th Aug 2025464 AMAQI
27th Aug 2025455 AMAQI
28°C24/33°C
27th Aug 2025446 AMAQI
27th Aug 2025447 AMAQI
27th Aug 2025448 AMAQI
27th Aug 2025369 AMAQI
27th Aug 20254210 AMAQI
27th Aug 20254911 AMAQI
27th Aug 20255612 PMAQI
27th Aug 2025461 PMAQI
27th Aug 2025472 PMAQI
27th Aug 2025493 PMAQI
27th Aug 2025464 PMAQI
27th Aug 2025545 PMAQI
27th Aug 2025506 PMAQI
27th Aug 2025467 PMAQI
27th Aug 2025448 PMAQI
27th Aug 2025489 PMAQI
27th Aug 20254810 PMAQI
27th Aug 20254711 PMAQI
28th Aug 20254812 AMAQI
28th Aug 2025501 AMAQI
28th Aug 2025472 AMAQI
28th Aug 2025473 AMAQI
28th Aug 2025484 AMAQI
28th Aug 2025485 AMAQI
27°C23/34°C
28th Aug 2025476 AMAQI
28th Aug 2025477 AMAQI
28th Aug 2025488 AMAQI
28th Aug 2025509 AMAQI
28th Aug 20255010 AMAQI
28th Aug 20255211 AMAQI
28th Aug 20254912 PMAQI
28th Aug 2025521 PMAQI
28th Aug 2025502 PMAQI
28th Aug 2025523 PMAQI
28th Aug 2025564 PMAQI
28th Aug 2025545 PMAQI
28th Aug 2025546 PMAQI
28th Aug 2025547 PMAQI
28th Aug 2025558 PMAQI
28th Aug 2025529 PMAQI
28th Aug 20255210 PMAQI
28th Aug 20255211 PMAQI
29th Aug 20255012 AMAQI
29th Aug 2025501 AMAQI
29th Aug 2025502 AMAQI
29th Aug 2025503 AMAQI
29th Aug 2025504 AMAQI
29th Aug 2025505 AMAQI
26°C22/33°C
29th Aug 2025496 AMAQI
29th Aug 2025507 AMAQI
29th Aug 2025508 AMAQI
29th Aug 2025569 AMAQI
29th Aug 20255710 AMAQI
29th Aug 20255211 AMAQI
29th Aug 20254412 PMAQI
29th Aug 2025401 PMAQI
29th Aug 2025422 PMAQI
29th Aug 2025363 PMAQI
29th Aug 2025334 PMAQI
29th Aug 2025385 PMAQI
29th Aug 2025376 PMAQI
29th Aug 2025427 PMAQI
29th Aug 2025428 PMAQI
29th Aug 2025419 PMAQI
29th Aug 20254210 PMAQI
29th Aug 20254511 PMAQI
30th Aug 20254912 AMAQI
30th Aug 2025501 AMAQI
30th Aug 2025502 AMAQI
30th Aug 2025503 AMAQI
30th Aug 2025504 AMAQI
30th Aug 2025495 AMAQI
28°C23/34°C
30th Aug 2025496 AMAQI
30th Aug 2025507 AMAQI
30th Aug 2025498 AMAQI
30th Aug 2025429 AMAQI
30th Aug 20253710 AMAQI
30th Aug 20255011 AMAQI
30th Aug 20253512 PMAQI
30th Aug 2025361 PMAQI
30th Aug 2025292 PMAQI
30th Aug 2025343 PMAQI
30th Aug 2025454 PMAQI
30th Aug 2025385 PMAQI
30th Aug 2025416 PMAQI
30th Aug 2025447 PMAQI
30th Aug 2025438 PMAQI
30th Aug 2025439 PMAQI
30th Aug 20254210 PMAQI
30th Aug 20254311 PMAQI
31st Aug 20254612 AMAQI
31st Aug 2025501 AMAQI
31st Aug 2025502 AMAQI
31st Aug 2025513 AMAQI
31st Aug 2025484 AMAQI
31st Aug 2025475 AMAQI
28°C23/35°C
31st Aug 2025476 AMAQI
31st Aug 2025477 AMAQI
31st Aug 2025488 AMAQI
31st Aug 2025449 AMAQI
31st Aug 20254510 AMAQI
31st Aug 20255611 AMAQI
31st Aug 20255812 PMAQI
31st Aug 2025591 PMAQI
31st Aug 2025572 PMAQI
31st Aug 2025543 PMAQI
31st Aug 2025464 PMAQI
31st Aug 2025365 PMAQI
31st Aug 2025396 PMAQI
31st Aug 2025347 PMAQI
31st Aug 2025408 PMAQI
31st Aug 2025419 PMAQI
31st Aug 20254310 PMAQI
31st Aug 20254111 PMAQI
1st Sep 20254412 AMAQI
1st Sep 2025481 AMAQI
1st Sep 2025482 AMAQI
1st Sep 2025473 AMAQI
1st Sep 2025504 AMAQI
1st Sep 2025505 AMAQI
26°C23/31°C
1st Sep 2025506 AMAQI
1st Sep 2025507 AMAQI
1st Sep 2025518 AMAQI
1st Sep 2025279 AMAQI
1st Sep 20252510 AMAQI
1st Sep 20252411 AMAQI
1st Sep 20252112 PMAQI
1st Sep 2025211 PMAQI
1st Sep 2025222 PMAQI
1st Sep 2025293 PMAQI
1st Sep 2025324 PMAQI
1st Sep 2025245 PMAQI
1st Sep 2025296 PMAQI
1st Sep 2025357 PMAQI
1st Sep 2025368 PMAQI
1st Sep 2025369 PMAQI
1st Sep 20253410 PMAQI
1st Sep 20253411 PMAQI
2nd Sep 20254012 AMAQI
2nd Sep 2025481 AMAQI
2nd Sep 2025472 AMAQI
2nd Sep 2025463 AMAQI
2nd Sep 2025454 AMAQI
2nd Sep 2025445 AMAQI
27°C23/33°C
2nd Sep 2025436 AMAQI
2nd Sep 2025457 AMAQI
2nd Sep 2025438 AMAQI
2nd Sep 2025409 AMAQI
2nd Sep 20254810 AMAQI
2nd Sep 20254911 AMAQI
2nd Sep 20255012 PMAQI
2nd Sep 2025441 PMAQI
2nd Sep 2025382 PMAQI
2nd Sep 2025343 PMAQI
2nd Sep 2025394 PMAQI
2nd Sep 2025405 PMAQI
2nd Sep 2025376 PMAQI
2nd Sep 2025387 PMAQI
2nd Sep 2025378 PMAQI
2nd Sep 2025439 PMAQI
2nd Sep 20254810 PMAQI
2nd Sep 20254811 PMAQI
3rd Sep 20254812 AMAQI
3rd Sep 2025441 AMAQI
3rd Sep 2025462 AMAQI
3rd Sep 2025463 AMAQI
3rd Sep 2025454 AMAQI
3rd Sep 2025455 AMAQI
27°C23/34°C
3rd Sep 2025466 AMAQI
3rd Sep 2025467 AMAQI
3rd Sep 2025458 AMAQI
3rd Sep 2025519 AMAQI
3rd Sep 20255110 AMAQI
3rd Sep 20255511 AMAQI
3rd Sep 20255212 PMAQI
3rd Sep 2025501 PMAQI
3rd Sep 2025522 PMAQI
3rd Sep 2025473 PMAQI
3rd Sep 2025464 PMAQI
3rd Sep 2025445 PMAQI
3rd Sep 2025516 PMAQI
3rd Sep 2025487 PMAQI
3rd Sep 2025458 PMAQI
3rd Sep 2025409 PMAQI
3rd Sep 20253810 PMAQI
3rd Sep 20253911 PMAQI
4th Sep 20254212 AMAQI
4th Sep 2025451 AMAQI
4th Sep 2025452 AMAQI
4th Sep 2025443 AMAQI
4th Sep 2025464 AMAQI
4th Sep 2025475 AMAQI
26°C22/32°C
4th Sep 2025476 AMAQI
4th Sep 2025477 AMAQI
4th Sep 2025458 AMAQI
4th Sep 2025389 AMAQI
4th Sep 20253910 AMAQI
4th Sep 20253111 AMAQI
4th Sep 20253212 PMAQI
4th Sep 2025361 PMAQI
4th Sep 2025382 PMAQI
4th Sep 2025353 PMAQI
4th Sep 2025444 PMAQI
4th Sep 2025525 PMAQI
4th Sep 2025596 PMAQI
4th Sep 2025627 PMAQI
4th Sep 2025468 PMAQI
4th Sep 2025469 PMAQI
4th Sep 20254210 PMAQI
4th Sep 20254111 PMAQI
5th Sep 20253712 AMAQI
5th Sep 2025401 AMAQI
5th Sep 2025452 AMAQI
5th Sep 2025453 AMAQI
5th Sep 2025444 AMAQI
5th Sep 2025445 AMAQI
26°C21/32°C
5th Sep 2025426 AMAQI
5th Sep 2025437 AMAQI
5th Sep 2025448 AMAQI
5th Sep 2025249 AMAQI
5th Sep 20253110 AMAQI
5th Sep 20252911 AMAQI
5th Sep 20252912 PMAQI
5th Sep 2025291 PMAQI
5th Sep 2025322 PMAQI
5th Sep 2025303 PMAQI
5th Sep 2025394 PMAQI
5th Sep 2025385 PMAQI
5th Sep 2025426 PMAQI
5th Sep 2025417 PMAQI
5th Sep 2025368 PMAQI
5th Sep 2025359 PMAQI
5th Sep 20253510 PMAQI
5th Sep 20253811 PMAQI
6th Sep 20253212 AMAQI
6th Sep 2025401 AMAQI
6th Sep 2025372 AMAQI
6th Sep 2025403 AMAQI
6th Sep 2025394 AMAQI
6th Sep 2025405 AMAQI
25°C22/32°C
6th Sep 2025386 AMAQI
6th Sep 2025407 AMAQI
6th Sep 2025408 AMAQI
6th Sep 2025479 AMAQI
6th Sep 20255010 AMAQI
6th Sep 20254911 AMAQI
6th Sep 20254812 PMAQI
6th Sep 2025421 PMAQI
6th Sep 2025332 PMAQI
6th Sep 2025343 PMAQI
6th Sep 2025334 PMAQI
6th Sep 2025385 PMAQI
6th Sep 2025356 PMAQI
6th Sep 2025357 PMAQI
6th Sep 2025338 PMAQI
6th Sep 2025319 PMAQI
6th Sep 20253310 PMAQI
6th Sep 20253311 PMAQI
7th Sep 20253512 AMAQI
7th Sep 2025391 AMAQI
7th Sep 2025382 AMAQI
7th Sep 2025383 AMAQI
7th Sep 2025374 AMAQI
7th Sep 2025395 AMAQI
27°C23/33°C
7th Sep 2025406 AMAQI
7th Sep 2025407 AMAQI
7th Sep 2025398 AMAQI
7th Sep 2025349 AMAQI
7th Sep 20253310 AMAQI
7th Sep 20253811 AMAQI
7th Sep 20253712 PMAQI
7th Sep 2025401 PMAQI
7th Sep 2025472 PMAQI
7th Sep 2025413 PMAQI
7th Sep 2025404 PMAQI
7th Sep 2025355 PMAQI
7th Sep 2025356 PMAQI
7th Sep 2025407 PMAQI
7th Sep 2025418 PMAQI
7th Sep 2025429 PMAQI
7th Sep 20254010 PMAQI
7th Sep 20253911 PMAQI
8th Sep 20253812 AMAQI
8th Sep 2025371 AMAQI
8th Sep 2025382 AMAQI
8th Sep 2025383 AMAQI
8th Sep 2025384 AMAQI
8th Sep 2025395 AMAQI
26°C24/31°C
8th Sep 2025386 AMAQI
8th Sep 2025387 AMAQI
8th Sep 2025388 AMAQI
8th Sep 2025439 AMAQI
8th Sep 20254310 AMAQI
8th Sep 20254511 AMAQI
8th Sep 20255712 PMAQI
8th Sep 2025491 PMAQI
8th Sep 2025482 PMAQI
8th Sep 2025503 PMAQI
8th Sep 2025504 PMAQI
8th Sep 2025505 PMAQI
8th Sep 2025506 PMAQI
8th Sep 2025517 PMAQI
8th Sep 2025478 PMAQI
8th Sep 2025469 PMAQI
8th Sep 20254810 PMAQI
8th Sep 20254611 PMAQI
9th Sep 20254012 AMAQI
9th Sep 2025371 AMAQI
9th Sep 2025382 AMAQI
9th Sep 2025393 AMAQI
9th Sep 2025404 AMAQI
9th Sep 2025425 AMAQI
26°C23/30°C
9th Sep 2025406 AMAQI
9th Sep 2025417 AMAQI
9th Sep 2025428 AMAQI
9th Sep 2025269 AMAQI
9th Sep 20252610 AMAQI
9th Sep 20253211 AMAQI
9th Sep 20253712 PMAQI
9th Sep 2025371 PMAQI
9th Sep 2025372 PMAQI
9th Sep 2025383 PMAQI
9th Sep 2025394 PMAQI
9th Sep 2025355 PMAQI
9th Sep 2025396 PMAQI
9th Sep 2025367 PMAQI
9th Sep 2025388 PMAQI
9th Sep 2025359 PMAQI
9th Sep 20253510 PMAQI
9th Sep 20253311 PMAQI
10th Sep 20253712 AMAQI
10th Sep 2025401 AMAQI
10th Sep 2025412 AMAQI
10th Sep 2025413 AMAQI
10th Sep 2025404 AMAQI
10th Sep 2025405 AMAQI
21°C20/26°C
10th Sep 2025406 AMAQI
10th Sep 2025407 AMAQI
10th Sep 2025408 AMAQI
10th Sep 2025439 AMAQI
10th Sep 20253410 AMAQI
10th Sep 20254011 AMAQI
10th Sep 20253212 PMAQI
10th Sep 2025291 PMAQI
10th Sep 2025312 PMAQI
10th Sep 2025453 PMAQI
10th Sep 2025364 PMAQI
10th Sep 2025365 PMAQI
10th Sep 2025306 PMAQI
10th Sep 2025317 PMAQI
10th Sep 2025358 PMAQI
10th Sep 2025389 PMAQI
10th Sep 20253810 PMAQI
10th Sep 20253611 PMAQI
11th Sep 20253612 AMAQI
11th Sep 2025401 AMAQI
11th Sep 2025412 AMAQI
11th Sep 2025403 AMAQI
11th Sep 2025404 AMAQI
11th Sep 2025395 AMAQI
23°C20/28°C
11th Sep 2025406 AMAQI
11th Sep 2025407 AMAQI
11th Sep 2025398 AMAQI
11th Sep 2025469 AMAQI
11th Sep 20254510 AMAQI
11th Sep 20254211 AMAQI
11th Sep 20254712 PMAQI
11th Sep 2025361 PMAQI
11th Sep 2025402 PMAQI
11th Sep 2025423 PMAQI
11th Sep 2025414 PMAQI
11th Sep 2025425 PMAQI
11th Sep 2025426 PMAQI
11th Sep 2025407 PMAQI
11th Sep 2025368 PMAQI
11th Sep 2025409 PMAQI
11th Sep 20253810 PMAQI
11th Sep 20253611 PMAQI
12th Sep 20253812 AMAQI
12th Sep 2025391 AMAQI
12th Sep 2025402 AMAQI
12th Sep 2025403 AMAQI
12th Sep 2025424 AMAQI
12th Sep 2025405 AMAQI
23°C19/28°C
12th Sep 2025426 AMAQI
12th Sep 2025417 AMAQI
12th Sep 2025418 AMAQI
12th Sep 2025279 AMAQI
12th Sep 20252810 AMAQI
12th Sep 20253311 AMAQI
12th Sep 20253312 PMAQI
12th Sep 2025351 PMAQI
12th Sep 2025362 PMAQI
12th Sep 2025343 PMAQI
12th Sep 2025364 PMAQI
12th Sep 2025415 PMAQI
12th Sep 2025426 PMAQI
12th Sep 2025407 PMAQI
12th Sep 2025428 PMAQI
12th Sep 2025399 PMAQI
12th Sep 20253910 PMAQI
12th Sep 20253911 PMAQI
13th Sep 20253712 AMAQI
13th Sep 2025411 AMAQI
13th Sep 2025402 AMAQI
13th Sep 2025393 AMAQI
13th Sep 2025394 AMAQI
13th Sep 2025395 AMAQI
23°C20/27°C
13th Sep 2025386 AMAQI
13th Sep 2025397 AMAQI
13th Sep 2025378 AMAQI
13th Sep 2025319 AMAQI
13th Sep 20252410 AMAQI
13th Sep 20252311 AMAQI
13th Sep 20252312 PMAQI
13th Sep 2025251 PMAQI
13th Sep 2025252 PMAQI
13th Sep 2025303 PMAQI
13th Sep 2025304 PMAQI
13th Sep 2025325 PMAQI
13th Sep 2025406 PMAQI
13th Sep 2025397 PMAQI
13th Sep 2025358 PMAQI
13th Sep 2025379 PMAQI
13th Sep 20253510 PMAQI
13th Sep 20253611 PMAQI
14th Sep 20253712 AMAQI
14th Sep 2025411 AMAQI
14th Sep 2025392 AMAQI
14th Sep 2025393 AMAQI
14th Sep 2025374 AMAQI
14th Sep 2025375 AMAQI
25°C22/31°C
14th Sep 2025366 AMAQI
14th Sep 2025357 AMAQI
14th Sep 2025388 AMAQI
14th Sep 2025309 AMAQI
14th Sep 20252810 AMAQI
14th Sep 20252611 AMAQI
14th Sep 20253212 PMAQI
14th Sep 2025331 PMAQI
14th Sep 2025302 PMAQI
14th Sep 2025343 PMAQI
14th Sep 2025354 PMAQI
14th Sep 2025415 PMAQI
14th Sep 2025406 PMAQI
14th Sep 2025407 PMAQI
14th Sep 2025378 PMAQI
14th Sep 2025349 PMAQI
14th Sep 20253710 PMAQI
14th Sep 20253911 PMAQI
15th Sep 20254012 AMAQI
15th Sep 2025371 AMAQI
15th Sep 2025392 AMAQI
15th Sep 2025383 AMAQI
15th Sep 2025384 AMAQI
15th Sep 2025385 AMAQI
25°C22/29°C
15th Sep 2025396 AMAQI
15th Sep 2025387 AMAQI
15th Sep 2025398 AMAQI
15th Sep 2025449 AMAQI
15th Sep 20254610 AMAQI
15th Sep 20254111 AMAQI
15th Sep 20254612 PMAQI
15th Sep 2025481 PMAQI
15th Sep 2025452 PMAQI
15th Sep 2025513 PMAQI
15th Sep 2025524 PMAQI
15th Sep 2025545 PMAQI
15th Sep 2025506 PMAQI
15th Sep 2025517 PMAQI
15th Sep 2025488 PMAQI
15th Sep 2025439 PMAQI
15th Sep 20254910 PMAQI
15th Sep 20254811 PMAQI
16th Sep 20254512 AMAQI
16th Sep 2025381 AMAQI
16th Sep 2025392 AMAQI
16th Sep 2025383 AMAQI
16th Sep 2025404 AMAQI
16th Sep 2025405 AMAQI
26°C23/32°C
16th Sep 2025406 AMAQI
16th Sep 2025407 AMAQI
16th Sep 2025408 AMAQI
16th Sep 2025509 AMAQI
16th Sep 20255710 AMAQI
16th Sep 20255611 AMAQI
16th Sep 20255312 PMAQI
16th Sep 2025571 PMAQI
16th Sep 2025552 PMAQI
16th Sep 2025503 PMAQI
16th Sep 2025524 PMAQI
16th Sep 2025555 PMAQI
16th Sep 2025566 PMAQI
16th Sep 2025467 PMAQI
16th Sep 2025438 PMAQI
16th Sep 2025419 PMAQI
16th Sep 20254110 PMAQI
16th Sep 20254011 PMAQI
17th Sep 20253812 AMAQI
17th Sep 2025421 AMAQI
17th Sep 2025412 AMAQI
17th Sep 2025423 AMAQI
17th Sep 2025444 AMAQI
17th Sep 2025465 AMAQI
26°C22/32°C
17th Sep 2025466 AMAQI
17th Sep 2025467 AMAQI
17th Sep 2025468 AMAQI
17th Sep 2025389 AMAQI
17th Sep 20253310 AMAQI
17th Sep 20253111 AMAQI
17th Sep 20253212 PMAQI
17th Sep 2025281 PMAQI
17th Sep 2025252 PMAQI
17th Sep 2025263 PMAQI
17th Sep 2025304 PMAQI
17th Sep 2025245 PMAQI
17th Sep 2025236 PMAQI
17th Sep 2025257 PMAQI
17th Sep 2025338 PMAQI
17th Sep 2025389 PMAQI
17th Sep 20253410 PMAQI
17th Sep 20253311 PMAQI
18th Sep 20253312 AMAQI
18th Sep 2025401 AMAQI
18th Sep 2025442 AMAQI
18th Sep 2025443 AMAQI
18th Sep 2025424 AMAQI
18th Sep 2025415 AMAQI
26°C23/32°C
18th Sep 2025416 AMAQI
18th Sep 2025417 AMAQI
18th Sep 2025418 AMAQI
18th Sep 2025309 AMAQI
18th Sep 20252610 AMAQI
18th Sep 20252511 AMAQI
18th Sep 20252412 PMAQI
18th Sep 2025261 PMAQI
18th Sep 2025212 PMAQI
18th Sep 2025213 PMAQI
18th Sep 2025214 PMAQI
18th Sep 2025265 PMAQI
18th Sep 2025256 PMAQI
18th Sep 2025297 PMAQI
18th Sep 2025308 PMAQI
18th Sep 2025329 PMAQI
18th Sep 20253110 PMAQI
18th Sep 20253011 PMAQI
19th Sep 20253012 AMAQI
19th Sep 2025401 AMAQI
19th Sep 2025402 AMAQI
19th Sep 2025413 AMAQI
19th Sep 2025394 AMAQI
19th Sep 2025375 AMAQI
22°C20/26°C
19th Sep 2025376 AMAQI
19th Sep 2025387 AMAQI
19th Sep 2025388 AMAQI
19th Sep 2025269 AMAQI
19th Sep 20252410 AMAQI
19th Sep 20252111 AMAQI
19th Sep 20252212 PMAQI
19th Sep 2025241 PMAQI
19th Sep 2025242 PMAQI
19th Sep 2025243 PMAQI
19th Sep 2025254 PMAQI
19th Sep 2025295 PMAQI
19th Sep 2025296 PMAQI
19th Sep 2025287 PMAQI
19th Sep 2025328 PMAQI
19th Sep 2025369 PMAQI
19th Sep 20253510 PMAQI
19th Sep 20253411 PMAQI
20th Sep 20253612 AMAQI
20th Sep 2025371 AMAQI
20th Sep 2025362 AMAQI
20th Sep 2025373 AMAQI
20th Sep 2025364 AMAQI
20th Sep 2025345 AMAQI
21°C19/25°C
20th Sep 2025346 AMAQI
20th Sep 2025347 AMAQI
20th Sep 2025348 AMAQI
20th Sep 2025299 AMAQI
20th Sep 20252810 AMAQI
20th Sep 20252411 AMAQI
20th Sep 20252412 PMAQI
20th Sep 2025261 PMAQI
20th Sep 2025252 PMAQI
20th Sep 2025233 PMAQI
20th Sep 2025204 PMAQI
20th Sep 2025205 PMAQI
20th Sep 2025196 PMAQI
20th Sep 2025227 PMAQI
20th Sep 2025278 PMAQI
20th Sep 2025329 PMAQI
20th Sep 20253110 PMAQI
20th Sep 20253011 PMAQI
21st Sep 20252912 AMAQI
21st Sep 2025321 AMAQI
21st Sep 2025352 AMAQI
21st Sep 2025353 AMAQI
21st Sep 2025344 AMAQI
21st Sep 2025335 AMAQI
21°C18/27°C
21st Sep 2025336 AMAQI
6 AM21st Sep 2025337 AMAQI
21st Sep 2025338 AMAQI
21st Sep 2025239 AMAQI
21st Sep 20252310 AMAQI
21st Sep 20252811 AMAQI
12 PM
6 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 8 AM
43AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
9 AM - 3 PM
39AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 AM (Avg. 43), while the lowest AQI was between 9 AM to 3 PM (Avg. 39).
Night time
Avg. Highest Time
1 AM - 5 AM
43AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM - 11 PM
41AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 5 AM (Avg. 43), while the lowest AQI was between 7 PM to 11 PM (Avg. 41).
2025 Days Vs Air Quality
Sa Chon, Gyeongnam, South Korea
2025
46%
121
52%
137
2%
4
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Good
121 DaysModerate
137 DaysPoor
4 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 46%
Health Risk Level:
Significant
In 2025, 46% of 264 days were within WHO’s safe air quality limits, and 54% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Sa Chon, Gyeongnam, 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
52AQI
52AQI
2nd January 2025
64AQI
64AQI
3rd January 2025
48AQI
48AQI
4th January 2025
52AQI
52AQI
5th January 2025
60AQI
60AQI
6th January 2025
79AQI
79AQI
7th January 2025
43AQI
43AQI
8th January 2025
54AQI
54AQI
9th January 2025
35AQI
35AQI
10th January 2025
45AQI
45AQI
11th January 2025
44AQI
44AQI
12th January 2025
58AQI
58AQI
13th January 2025
69AQI
69AQI
14th January 2025
82AQI
82AQI
15th January 2025
49AQI
49AQI
16th January 2025
62AQI
62AQI
17th January 2025
68AQI
68AQI
18th January 2025
77AQI
77AQI
19th January 2025
74AQI
74AQI
20th January 2025
94AQI
94AQI
21st January 2025
109AQI
109AQI
22nd January 2025
116AQI
116AQI
23rd January 2025
108AQI
108AQI
24th January 2025
91AQI
91AQI
25th January 2025
68AQI
68AQI
26th January 2025
54AQI
54AQI
27th January 2025
59AQI
59AQI
28th January 2025
40AQI
40AQI
29th January 2025
43AQI
43AQI
30th January 2025
49AQI
49AQI
31st January 2025
57AQI
57AQI
1st February 2025
52AQI
52AQI
2nd February 2025
57AQI
57AQI
3rd February 2025
48AQI
48AQI
4th February 2025
41AQI
41AQI
5th February 2025
41AQI
41AQI
6th February 2025
38AQI
38AQI
7th February 2025
43AQI
43AQI
8th February 2025
32AQI
32AQI
9th February 2025
38AQI
38AQI
10th February 2025
43AQI
43AQI
11th February 2025
56AQI
56AQI
12th February 2025
61AQI
61AQI
13th February 2025
42AQI
42AQI
14th February 2025
64AQI
64AQI
15th February 2025
48AQI
48AQI
16th February 2025
79AQI
79AQI
17th February 2025
44AQI
44AQI
18th February 2025
48AQI
48AQI
19th February 2025
39AQI
39AQI
20th February 2025
44AQI
44AQI
21st February 2025
39AQI
39AQI
22nd February 2025
45AQI
45AQI
23rd February 2025
43AQI
43AQI
24th February 2025
44AQI
44AQI
25th February 2025
46AQI
46AQI
26th February 2025
68AQI
68AQI
27th February 2025
60AQI
60AQI
28th February 2025
62AQI
62AQI
1st March 2025
78AQI
78AQI
2nd March 2025
75AQI
75AQI
3rd March 2025
48AQI
48AQI
4th March 2025
44AQI
44AQI
5th March 2025
35AQI
35AQI
6th March 2025
43AQI
43AQI
7th March 2025
53AQI
53AQI
8th March 2025
54AQI
54AQI
9th March 2025
64AQI
64AQI
10th March 2025
64AQI
64AQI
11th March 2025
71AQI
71AQI
12th March 2025
66AQI
66AQI
13th March 2025
58AQI
58AQI
14th March 2025
57AQI
57AQI
15th March 2025
39AQI
39AQI
16th March 2025
50AQI
50AQI
17th March 2025
54AQI
54AQI
18th March 2025
59AQI
59AQI
19th March 2025
72AQI
72AQI
20th March 2025
72AQI
72AQI
21st March 2025
73AQI
73AQI
22nd March 2025
77AQI
77AQI
23rd March 2025
88AQI
88AQI
24th March 2025
83AQI
83AQI
25th March 2025
114AQI
114AQI
26th March 2025
75AQI
75AQI
27th March 2025
85AQI
85AQI
28th March 2025
71AQI
71AQI
29th March 2025
51AQI
51AQI
30th March 2025
46AQI
46AQI
31st March 2025
60AQI
60AQI
1st April 2025
61AQI
61AQI
2nd April 2025
58AQI
58AQI
3rd April 2025
58AQI
58AQI
4th April 2025
60AQI
60AQI
5th April 2025
56AQI
56AQI
6th April 2025
54AQI
54AQI
7th April 2025
55AQI
55AQI
8th April 2025
63AQI
63AQI
9th April 2025
71AQI
71AQI
10th April 2025
71AQI
71AQI
11th April 2025
69AQI
69AQI
12th April 2025
64AQI
64AQI
13th April 2025
57AQI
57AQI
14th April 2025
53AQI
53AQI
15th April 2025
43AQI
43AQI
16th April 2025
55AQI
55AQI
17th April 2025
60AQI
60AQI
18th April 2025
68AQI
68AQI
19th April 2025
52AQI
52AQI
20th April 2025
58AQI
58AQI
21st April 2025
53AQI
53AQI
22nd April 2025
41AQI
41AQI
23rd April 2025
40AQI
40AQI
24th April 2025
58AQI
58AQI
25th April 2025
59AQI
59AQI
26th April 2025
50AQI
50AQI
27th April 2025
52AQI
52AQI
28th April 2025
48AQI
48AQI
29th April 2025
61AQI
61AQI
30th April 2025
57AQI
57AQI
1st May 2025
49AQI
49AQI
2nd May 2025
44AQI
44AQI
3rd May 2025
49AQI
49AQI
4th May 2025
43AQI
43AQI
5th May 2025
47AQI
47AQI
6th May 2025
48AQI
48AQI
7th May 2025
51AQI
51AQI
8th May 2025
54AQI
54AQI
9th May 2025
42AQI
42AQI
10th May 2025
35AQI
35AQI
11th May 2025
55AQI
55AQI
12th May 2025
56AQI
56AQI
13th May 2025
70AQI
70AQI
14th May 2025
68AQI
68AQI
15th May 2025
62AQI
62AQI
16th May 2025
55AQI
55AQI
17th May 2025
57AQI
57AQI
18th May 2025
56AQI
56AQI
19th May 2025
58AQI
58AQI
20th May 2025
50AQI
50AQI
21st May 2025
40AQI
40AQI
22nd May 2025
61AQI
61AQI
23rd May 2025
54AQI
54AQI
24th May 2025
43AQI
43AQI
25th May 2025
37AQI
37AQI
26th May 2025
55AQI
55AQI
27th May 2025
65AQI
65AQI
28th May 2025
72AQI
72AQI
29th May 2025
68AQI
68AQI
30th May 2025
61AQI
61AQI
31st May 2025
60AQI
60AQI
1st June 2025
69AQI
69AQI
2nd June 2025
77AQI
77AQI
3rd June 2025
66AQI
66AQI
4th June 2025
46AQI
46AQI
5th June 2025
50AQI
50AQI
6th June 2025
59AQI
59AQI
7th June 2025
56AQI
56AQI
8th June 2025
66AQI
66AQI
9th June 2025
63AQI
63AQI
10th June 2025
66AQI
66AQI
11th June 2025
47AQI
47AQI
12th June 2025
60AQI
60AQI
13th June 2025
62AQI
62AQI
14th June 2025
44AQI
44AQI
15th June 2025
54AQI
54AQI
16th June 2025
53AQI
53AQI
17th June 2025
54AQI
54AQI
18th June 2025
63AQI
63AQI
19th June 2025
58AQI
58AQI
20th June 2025
43AQI
43AQI
21st June 2025
40AQI
40AQI
22nd June 2025
29AQI
29AQI
23rd June 2025
44AQI
44AQI
24th June 2025
48AQI
48AQI
25th June 2025
44AQI
44AQI
26th June 2025
57AQI
57AQI
27th June 2025
63AQI
63AQI
28th June 2025
60AQI
60AQI
29th June 2025
56AQI
56AQI
30th June 2025
48AQI
48AQI
1st July 2025
50AQI
50AQI
2nd July 2025
54AQI
54AQI
3rd July 2025
62AQI
62AQI
4th July 2025
60AQI
60AQI
5th July 2025
51AQI
51AQI
6th July 2025
51AQI
51AQI
7th July 2025
62AQI
62AQI
8th July 2025
63AQI
63AQI
9th July 2025
54AQI
54AQI
10th July 2025
54AQI
54AQI
11th July 2025
53AQI
53AQI
12th July 2025
55AQI
55AQI
13th July 2025
57AQI
57AQI
14th July 2025
50AQI
50AQI
15th July 2025
45AQI
45AQI
16th July 2025
53AQI
53AQI
17th July 2025
44AQI
44AQI
18th July 2025
41AQI
41AQI
19th July 2025
36AQI
36AQI
20th July 2025
43AQI
43AQI
21st July 2025
39AQI
39AQI
22nd July 2025
49AQI
49AQI
23rd July 2025
57AQI
57AQI
24th July 2025
62AQI
62AQI
25th July 2025
50AQI
50AQI
26th July 2025
42AQI
42AQI
27th July 2025
40AQI
40AQI
28th July 2025
42AQI
42AQI
29th July 2025
45AQI
45AQI
30th July 2025
46AQI
46AQI
31st July 2025
51AQI
51AQI
1st August 2025
52AQI
52AQI
2nd August 2025
59AQI
59AQI
3rd August 2025
59AQI
59AQI
4th August 2025
54AQI
54AQI
5th August 2025
51AQI
51AQI
6th August 2025
50AQI
50AQI
7th August 2025
48AQI
48AQI
8th August 2025
50AQI
50AQI
9th August 2025
51AQI
51AQI
10th August 2025
41AQI
41AQI
11th August 2025
47AQI
47AQI
12th August 2025
41AQI
41AQI
13th August 2025
39AQI
39AQI
14th August 2025
38AQI
38AQI
15th August 2025
40AQI
40AQI
16th August 2025
41AQI
41AQI
17th August 2025
41AQI
41AQI
18th August 2025
50AQI
50AQI
19th August 2025
50AQI
50AQI
20th August 2025
48AQI
48AQI
21st August 2025
48AQI
48AQI
22nd August 2025
51AQI
51AQI
23rd August 2025
50AQI
50AQI
24th August 2025
50AQI
50AQI
25th August 2025
46AQI
46AQI
26th August 2025
42AQI
42AQI
27th August 2025
48AQI
48AQI
28th August 2025
50AQI
50AQI
29th August 2025
46AQI
46AQI
30th August 2025
44AQI
44AQI
31st August 2025
46AQI
46AQI
1st September 2025
37AQI
37AQI
2nd September 2025
42AQI
42AQI
3rd September 2025
46AQI
46AQI
4th September 2025
45AQI
45AQI
5th September 2025
37AQI
37AQI
6th September 2025
37AQI
37AQI
7th September 2025
39AQI
39AQI
8th September 2025
44AQI
44AQI
9th September 2025
37AQI
37AQI
10th September 2025
37AQI
37AQI
11th September 2025
40AQI
40AQI
12th September 2025
38AQI
38AQI
13th September 2025
35AQI
35AQI
14th September 2025
36AQI
36AQI
15th September 2025
44AQI
44AQI
16th September 2025
46AQI
46AQI
17th September 2025
35AQI
35AQI
18th September 2025
32AQI
32AQI
19th September 2025
32AQI
32AQI
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
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
65AQI
49AQI
64AQI
57AQI
54AQI
55AQI
50AQI
47AQI
39AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202554AQI
9
19
3
19
9
7
23
1
5
25
12
19
11
19
15
16
24
7
19
121
137
4
Highest AQI recorded in
January65AQI
Lowest AQI recorded in
September39AQI
202453AQI
9
22
15
11
3
9
21
1
4
23
3
12
19
11
19
25
6
17
14
20
10
24
7
13
17
21
10
180
179
7
Highest AQI recorded in
April69AQI
Lowest AQI recorded in
July37AQI
202360AQI
12
16
3
4
23
1
7
21
3
7
21
2
8
22
1
13
17
14
17
12
19
22
8
14
17
12
17
10
19
2
135
217
12
Highest AQI recorded in
February71AQI
Lowest AQI recorded in
September47AQI
202258AQI
9
19
3
9
9
3
12
19
10
20
7
23
1
14
16
9
14
1
18
10
14
17
4
24
2
10
21
117
192
9
Highest AQI recorded in
November72AQI
Lowest AQI recorded in
August22AQI
202156AQI
9
22
8
18
2
7
23
1
10
20
14
16
1
6
24
15
16
21
10
25
5
15
16
9
20
1
13
17
1
152
207
5
1
Highest AQI recorded in
February67AQI
Lowest AQI recorded in
September39AQI
202054AQI
6
7
8
13
3
15
7
23
20
11
16
14
1
20
10
15
16
8
21
1
9
20
2
112
150
4
Highest AQI recorded in
December65AQI
Lowest AQI recorded in
July42AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
60AQILeast Polluted Year Recorded
2024(Avg.)
53AQISa Chon's annual 2025 AQI (54) shows an average percentage change of -3.7% (improved AQI) compared to previous years: 2020 (54), 2021 (56), 2022 (58), 2023 (60), 2024 (53).
