Boryeong, Chungnam, 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
Boryeong, Chungnam, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Sep 2022
109AQILowest AQI recorded on
15th Sep 2023
18AQISame Day Analysis (16th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 43 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 16th Sep - 17th Sep 2025
Boryeong, Chungnam, South Korea
AQI
Day
Night
.
6 AM16th Sep 2025
7 PM
5 AM17th Sep 2025
Day time
Avg. Highest Time
6AM16th Sep
46AQI
Avg. Lowest Time
6PM16th Sep
30AQI
Night time
Avg. Highest Time
2AM17th Sep
50AQI
Avg. Lowest Time
7PM16th Sep
30AQI
In the last 24 hours,
Boryeong's AQI reached its highest point of 50 at 2 AM during the Night, while the lowest point, 30, was recorded at 7 PM during the Night between 16th Sep and 17th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Boryeong, Chungnam, South Korea
AugSep
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 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
Day
Night
18th Aug 2025416 AMAQI
18th Aug 2025427 AMAQI
18th Aug 2025418 AMAQI
18th Aug 2025509 AMAQI
18th Aug 20255510 AMAQI
18th Aug 20255911 AMAQI
18th Aug 20255312 PMAQI
18th Aug 2025591 PMAQI
18th Aug 2025582 PMAQI
18th Aug 2025583 PMAQI
18th Aug 2025594 PMAQI
18th Aug 2025595 PMAQI
18th Aug 2025586 PMAQI
18th Aug 2025567 PMAQI
18th Aug 2025508 PMAQI
18th Aug 2025479 PMAQI
18th Aug 20254610 PMAQI
18th Aug 20254511 PMAQI
19th Aug 20254312 AMAQI
19th Aug 2025451 AMAQI
19th Aug 2025442 AMAQI
19th Aug 2025433 AMAQI
19th Aug 2025464 AMAQI
19th Aug 2025485 AMAQI
26°C24/29°C
19th Aug 2025486 AMAQI
19th Aug 2025487 AMAQI
19th Aug 2025488 AMAQI
19th Aug 2025419 AMAQI
19th Aug 20255010 AMAQI
19th Aug 20254111 AMAQI
19th Aug 20254612 PMAQI
19th Aug 2025511 PMAQI
19th Aug 2025442 PMAQI
19th Aug 2025423 PMAQI
19th Aug 2025424 PMAQI
19th Aug 2025405 PMAQI
19th Aug 2025466 PMAQI
19th Aug 2025457 PMAQI
19th Aug 2025458 PMAQI
19th Aug 2025459 PMAQI
19th Aug 20254510 PMAQI
19th Aug 20254311 PMAQI
20th Aug 20254612 AMAQI
20th Aug 2025471 AMAQI
20th Aug 2025472 AMAQI
20th Aug 2025473 AMAQI
20th Aug 2025474 AMAQI
20th Aug 2025475 AMAQI
27°C24/30°C
20th Aug 2025476 AMAQI
20th Aug 2025477 AMAQI
20th Aug 2025478 AMAQI
20th Aug 2025419 AMAQI
20th Aug 20255010 AMAQI
20th Aug 20254911 AMAQI
20th Aug 20255512 PMAQI
20th Aug 2025491 PMAQI
20th Aug 2025492 PMAQI
20th Aug 2025523 PMAQI
20th Aug 2025544 PMAQI
20th Aug 2025485 PMAQI
20th Aug 2025436 PMAQI
20th Aug 2025517 PMAQI
20th Aug 2025478 PMAQI
20th Aug 2025449 PMAQI
20th Aug 20254610 PMAQI
20th Aug 20254411 PMAQI
21st Aug 20254812 AMAQI
21st Aug 2025471 AMAQI
21st Aug 2025472 AMAQI
21st Aug 2025483 AMAQI
21st Aug 2025494 AMAQI
21st Aug 2025495 AMAQI
27°C24/30°C
21st Aug 2025506 AMAQI
21st Aug 2025497 AMAQI
21st Aug 2025498 AMAQI
21st Aug 2025409 AMAQI
21st Aug 20254410 AMAQI
21st Aug 20254411 AMAQI
21st Aug 20254612 PMAQI
21st Aug 2025461 PMAQI
21st Aug 2025482 PMAQI
21st Aug 2025493 PMAQI
21st Aug 2025414 PMAQI
21st Aug 2025445 PMAQI
21st Aug 2025416 PMAQI
21st Aug 2025437 PMAQI
21st Aug 2025438 PMAQI
21st Aug 2025469 PMAQI
21st Aug 20254810 PMAQI
21st Aug 20254411 PMAQI
22nd Aug 20254812 AMAQI
22nd Aug 2025481 AMAQI
22nd Aug 2025492 AMAQI
22nd Aug 2025483 AMAQI
22nd Aug 2025494 AMAQI
22nd Aug 2025495 AMAQI
27°C24/31°C
22nd Aug 2025496 AMAQI
22nd Aug 2025497 AMAQI
22nd Aug 2025498 AMAQI
22nd Aug 2025449 AMAQI
22nd Aug 20254210 AMAQI
22nd Aug 20254711 AMAQI
22nd Aug 20254212 PMAQI
22nd Aug 2025451 PMAQI
22nd Aug 2025442 PMAQI
22nd Aug 2025423 PMAQI
22nd Aug 2025424 PMAQI
22nd Aug 2025365 PMAQI
22nd Aug 2025346 PMAQI
22nd Aug 2025457 PMAQI
22nd Aug 2025398 PMAQI
22nd Aug 2025449 PMAQI
22nd Aug 20254310 PMAQI
22nd Aug 20254411 PMAQI
23rd Aug 20254612 AMAQI
23rd Aug 2025511 AMAQI
23rd Aug 2025502 AMAQI
23rd Aug 2025503 AMAQI
23rd Aug 2025504 AMAQI
23rd Aug 2025505 AMAQI
27°C24/30°C
23rd Aug 2025506 AMAQI
23rd Aug 2025497 AMAQI
23rd Aug 2025508 AMAQI
23rd Aug 2025429 AMAQI
23rd Aug 20253910 AMAQI
23rd Aug 20254011 AMAQI
23rd Aug 20254512 PMAQI
23rd Aug 2025481 PMAQI
23rd Aug 2025482 PMAQI
23rd Aug 2025453 PMAQI
23rd Aug 2025504 PMAQI
23rd Aug 2025465 PMAQI
23rd Aug 2025526 PMAQI
23rd Aug 2025487 PMAQI
23rd Aug 2025468 PMAQI
23rd Aug 2025479 PMAQI
23rd Aug 20254810 PMAQI
23rd Aug 20254911 PMAQI
24th Aug 20255112 AMAQI
24th Aug 2025501 AMAQI
24th Aug 2025482 AMAQI
24th Aug 2025483 AMAQI
24th Aug 2025494 AMAQI
24th Aug 2025485 AMAQI
27°C24/30°C
24th Aug 2025486 AMAQI
24th Aug 2025497 AMAQI
24th Aug 2025488 AMAQI
24th Aug 2025539 AMAQI
24th Aug 20254710 AMAQI
24th Aug 20254811 AMAQI
24th Aug 20255012 PMAQI
24th Aug 2025621 PMAQI
24th Aug 2025492 PMAQI
24th Aug 2025413 PMAQI
24th Aug 2025424 PMAQI
24th Aug 2025435 PMAQI
24th Aug 2025396 PMAQI
24th Aug 2025487 PMAQI
24th Aug 2025448 PMAQI
24th Aug 2025479 PMAQI
24th Aug 20254710 PMAQI
24th Aug 20254611 PMAQI
25th Aug 20254412 AMAQI
25th Aug 2025481 AMAQI
25th Aug 2025502 AMAQI
25th Aug 2025493 AMAQI
25th Aug 2025504 AMAQI
25th Aug 2025515 AMAQI
27°C24/31°C
25th Aug 2025506 AMAQI
25th Aug 2025517 AMAQI
25th Aug 2025518 AMAQI
25th Aug 2025419 AMAQI
25th Aug 20253810 AMAQI
25th Aug 20253311 AMAQI
25th Aug 20253712 PMAQI
25th Aug 2025471 PMAQI
25th Aug 2025482 PMAQI
25th Aug 2025433 PMAQI
25th Aug 2025374 PMAQI
25th Aug 2025415 PMAQI
25th Aug 2025356 PMAQI
25th Aug 2025417 PMAQI
25th Aug 2025418 PMAQI
25th Aug 2025469 PMAQI
25th Aug 20254410 PMAQI
25th Aug 20254111 PMAQI
26th Aug 20254012 AMAQI
26th Aug 2025491 AMAQI
26th Aug 2025502 AMAQI
26th Aug 2025503 AMAQI
26th Aug 2025504 AMAQI
26th Aug 2025505 AMAQI
27°C25/30°C
26th Aug 2025496 AMAQI
26th Aug 2025507 AMAQI
26th Aug 2025508 AMAQI
26th Aug 2025329 AMAQI
26th Aug 20253010 AMAQI
26th Aug 20253211 AMAQI
26th Aug 20253412 PMAQI
26th Aug 2025331 PMAQI
26th Aug 2025302 PMAQI
26th Aug 2025363 PMAQI
26th Aug 2025384 PMAQI
26th Aug 2025355 PMAQI
26th Aug 2025436 PMAQI
26th Aug 2025357 PMAQI
26th Aug 2025418 PMAQI
26th Aug 2025439 PMAQI
26th Aug 20254410 PMAQI
26th Aug 20254311 PMAQI
27th Aug 20254912 AMAQI
27th Aug 2025511 AMAQI
27th Aug 2025492 AMAQI
27th Aug 2025493 AMAQI
27th Aug 2025474 AMAQI
27th Aug 2025465 AMAQI
27°C24/29°C
27th Aug 2025456 AMAQI
27th Aug 2025457 AMAQI
27th Aug 2025458 AMAQI
27th Aug 2025449 AMAQI
27th Aug 20253810 AMAQI
27th Aug 20254311 AMAQI
27th Aug 20255012 PMAQI
27th Aug 2025441 PMAQI
27th Aug 2025432 PMAQI
27th Aug 2025463 PMAQI
27th Aug 2025474 PMAQI
27th Aug 2025525 PMAQI
27th Aug 2025506 PMAQI
27th Aug 2025497 PMAQI
27th Aug 2025488 PMAQI
27th Aug 2025479 PMAQI
27th Aug 20255010 PMAQI
27th Aug 20255011 PMAQI
28th Aug 20255112 AMAQI
28th Aug 2025511 AMAQI
28th Aug 2025482 AMAQI
28th Aug 2025483 AMAQI
28th Aug 2025484 AMAQI
28th Aug 2025485 AMAQI
26°C23/29°C
28th Aug 2025486 AMAQI
28th Aug 2025487 AMAQI
28th Aug 2025488 AMAQI
28th Aug 2025539 AMAQI
28th Aug 20255110 AMAQI
28th Aug 20255611 AMAQI
28th Aug 20255112 PMAQI
28th Aug 2025501 PMAQI
28th Aug 2025492 PMAQI
28th Aug 2025533 PMAQI
28th Aug 2025544 PMAQI
28th Aug 2025515 PMAQI
28th Aug 2025466 PMAQI
28th Aug 2025467 PMAQI
28th Aug 2025418 PMAQI
28th Aug 2025449 PMAQI
28th Aug 20254210 PMAQI
28th Aug 20255011 PMAQI
29th Aug 20254912 AMAQI
29th Aug 2025501 AMAQI
29th Aug 2025492 AMAQI
29th Aug 2025513 AMAQI
29th Aug 2025504 AMAQI
29th Aug 2025505 AMAQI
26°C22/29°C
29th Aug 2025506 AMAQI
29th Aug 2025507 AMAQI
29th Aug 2025508 AMAQI
29th Aug 2025419 AMAQI
29th Aug 20253410 AMAQI
29th Aug 20254211 AMAQI
29th Aug 20253312 PMAQI
29th Aug 2025391 PMAQI
29th Aug 2025342 PMAQI
29th Aug 2025353 PMAQI
29th Aug 2025324 PMAQI
29th Aug 2025355 PMAQI
29th Aug 2025326 PMAQI
29th Aug 2025357 PMAQI
29th Aug 2025358 PMAQI
29th Aug 2025419 PMAQI
29th Aug 20254010 PMAQI
29th Aug 20254211 PMAQI
30th Aug 20254512 AMAQI
30th Aug 2025511 AMAQI
30th Aug 2025502 AMAQI
30th Aug 2025503 AMAQI
30th Aug 2025494 AMAQI
30th Aug 2025485 AMAQI
27°C25/29°C
30th Aug 2025486 AMAQI
30th Aug 2025497 AMAQI
30th Aug 2025488 AMAQI
30th Aug 2025319 AMAQI
30th Aug 20253410 AMAQI
30th Aug 20253711 AMAQI
30th Aug 20253512 PMAQI
30th Aug 2025321 PMAQI
30th Aug 2025272 PMAQI
30th Aug 2025313 PMAQI
30th Aug 2025404 PMAQI
30th Aug 2025265 PMAQI
30th Aug 2025356 PMAQI
30th Aug 2025407 PMAQI
30th Aug 2025408 PMAQI
30th Aug 2025439 PMAQI
30th Aug 20254310 PMAQI
30th Aug 20254711 PMAQI
31st Aug 20254612 AMAQI
31st Aug 2025491 AMAQI
31st Aug 2025502 AMAQI
31st Aug 2025503 AMAQI
31st Aug 2025484 AMAQI
31st Aug 2025475 AMAQI
27°C24/30°C
31st Aug 2025476 AMAQI
31st Aug 2025477 AMAQI
31st Aug 2025488 AMAQI
31st Aug 2025459 AMAQI
31st Aug 20253810 AMAQI
31st Aug 20255011 AMAQI
31st Aug 20255112 PMAQI
31st Aug 2025551 PMAQI
31st Aug 2025562 PMAQI
31st Aug 2025483 PMAQI
31st Aug 2025434 PMAQI
31st Aug 2025415 PMAQI
31st Aug 2025416 PMAQI
31st Aug 2025337 PMAQI
31st Aug 2025408 PMAQI
31st Aug 2025429 PMAQI
31st Aug 20254410 PMAQI
31st Aug 20254211 PMAQI
1st Sep 20254512 AMAQI
1st Sep 2025481 AMAQI
1st Sep 2025482 AMAQI
1st Sep 2025493 AMAQI
1st Sep 2025504 AMAQI
1st Sep 2025505 AMAQI
27°C24/30°C
1st Sep 2025506 AMAQI
1st Sep 2025507 AMAQI
1st Sep 2025518 AMAQI
1st Sep 2025279 AMAQI
1st Sep 20252310 AMAQI
1st Sep 20252011 AMAQI
1st Sep 20252012 PMAQI
1st Sep 2025241 PMAQI
1st Sep 2025312 PMAQI
1st Sep 2025353 PMAQI
1st Sep 2025334 PMAQI
1st Sep 2025325 PMAQI
1st Sep 2025336 PMAQI
1st Sep 2025367 PMAQI
1st Sep 2025388 PMAQI
1st Sep 2025409 PMAQI
1st Sep 20254210 PMAQI
1st Sep 20253911 PMAQI
2nd Sep 20254612 AMAQI
2nd Sep 2025511 AMAQI
2nd Sep 2025482 AMAQI
2nd Sep 2025483 AMAQI
2nd Sep 2025464 AMAQI
2nd Sep 2025445 AMAQI
26°C24/30°C
2nd Sep 2025446 AMAQI
2nd Sep 2025447 AMAQI
2nd Sep 2025448 AMAQI
2nd Sep 2025549 AMAQI
2nd Sep 20255210 AMAQI
2nd Sep 20255311 AMAQI
2nd Sep 20255212 PMAQI
2nd Sep 2025501 PMAQI
2nd Sep 2025442 PMAQI
2nd Sep 2025343 PMAQI
2nd Sep 2025424 PMAQI
2nd Sep 2025415 PMAQI
2nd Sep 2025486 PMAQI
2nd Sep 2025507 PMAQI
2nd Sep 2025448 PMAQI
2nd Sep 2025469 PMAQI
2nd Sep 20254910 PMAQI
2nd Sep 20255011 PMAQI
3rd Sep 20255112 AMAQI
3rd Sep 2025451 AMAQI
3rd Sep 2025482 AMAQI
3rd Sep 2025483 AMAQI
3rd Sep 2025484 AMAQI
3rd Sep 2025475 AMAQI
25°C23/28°C
3rd Sep 2025476 AMAQI
3rd Sep 2025487 AMAQI
3rd Sep 2025488 AMAQI
3rd Sep 2025499 AMAQI
3rd Sep 20255510 AMAQI
3rd Sep 20255611 AMAQI
3rd Sep 20255712 PMAQI
3rd Sep 2025501 PMAQI
3rd Sep 2025522 PMAQI
3rd Sep 2025483 PMAQI
3rd Sep 2025424 PMAQI
3rd Sep 2025415 PMAQI
3rd Sep 2025536 PMAQI
3rd Sep 2025547 PMAQI
3rd Sep 2025518 PMAQI
3rd Sep 2025489 PMAQI
3rd Sep 20254810 PMAQI
3rd Sep 20254711 PMAQI
4th Sep 20255012 AMAQI
4th Sep 2025471 AMAQI
4th Sep 2025492 AMAQI
4th Sep 2025493 AMAQI
4th Sep 2025504 AMAQI
4th Sep 2025515 AMAQI
25°C21/30°C
4th Sep 2025506 AMAQI
4th Sep 2025507 AMAQI
4th Sep 2025508 AMAQI
4th Sep 2025389 AMAQI
4th Sep 20254310 AMAQI
4th Sep 20254311 AMAQI
4th Sep 20254112 PMAQI
4th Sep 2025471 PMAQI
4th Sep 2025412 PMAQI
4th Sep 2025403 PMAQI
4th Sep 2025424 PMAQI
4th Sep 2025465 PMAQI
4th Sep 2025416 PMAQI
4th Sep 2025437 PMAQI
4th Sep 2025408 PMAQI
4th Sep 2025419 PMAQI
4th Sep 20254010 PMAQI
4th Sep 20253811 PMAQI
5th Sep 20253712 AMAQI
5th Sep 2025451 AMAQI
5th Sep 2025502 AMAQI
5th Sep 2025503 AMAQI
5th Sep 2025494 AMAQI
5th Sep 2025485 AMAQI
24°C23/26°C
5th Sep 2025476 AMAQI
5th Sep 2025477 AMAQI
5th Sep 2025478 AMAQI
5th Sep 2025429 AMAQI
5th Sep 20254410 AMAQI
5th Sep 20253711 AMAQI
5th Sep 20254612 PMAQI
5th Sep 2025391 PMAQI
5th Sep 2025402 PMAQI
5th Sep 2025463 PMAQI
5th Sep 2025464 PMAQI
5th Sep 2025375 PMAQI
5th Sep 2025406 PMAQI
5th Sep 2025437 PMAQI
5th Sep 2025418 PMAQI
5th Sep 2025409 PMAQI
5th Sep 20254410 PMAQI
5th Sep 20254511 PMAQI
6th Sep 20253912 AMAQI
6th Sep 2025421 AMAQI
6th Sep 2025412 AMAQI
6th Sep 2025413 AMAQI
6th Sep 2025424 AMAQI
6th Sep 2025445 AMAQI
26°C22/30°C
6th Sep 2025456 AMAQI
6th Sep 2025477 AMAQI
6th Sep 2025438 AMAQI
6th Sep 2025389 AMAQI
6th Sep 20254510 AMAQI
6th Sep 20254311 AMAQI
6th Sep 20254012 PMAQI
6th Sep 2025321 PMAQI
6th Sep 2025302 PMAQI
6th Sep 2025293 PMAQI
6th Sep 2025294 PMAQI
6th Sep 2025315 PMAQI
6th Sep 2025336 PMAQI
6th Sep 2025297 PMAQI
6th Sep 2025388 PMAQI
6th Sep 2025349 PMAQI
6th Sep 20253710 PMAQI
6th Sep 20253211 PMAQI
7th Sep 20253712 AMAQI
7th Sep 2025421 AMAQI
7th Sep 2025422 AMAQI
7th Sep 2025423 AMAQI
7th Sep 2025444 AMAQI
7th Sep 2025425 AMAQI
26°C24/29°C
7th Sep 2025436 AMAQI
7th Sep 2025427 AMAQI
7th Sep 2025438 AMAQI
7th Sep 2025399 AMAQI
7th Sep 20253910 AMAQI
7th Sep 20253311 AMAQI
7th Sep 20253812 PMAQI
7th Sep 2025351 PMAQI
7th Sep 2025422 PMAQI
7th Sep 2025393 PMAQI
7th Sep 2025384 PMAQI
7th Sep 2025325 PMAQI
7th Sep 2025386 PMAQI
7th Sep 2025487 PMAQI
7th Sep 2025428 PMAQI
7th Sep 2025439 PMAQI
7th Sep 20254410 PMAQI
7th Sep 20254011 PMAQI
8th Sep 20254012 AMAQI
8th Sep 2025411 AMAQI
8th Sep 2025412 AMAQI
8th Sep 2025423 AMAQI
8th Sep 2025424 AMAQI
8th Sep 2025415 AMAQI
26°C23/27°C
8th Sep 2025416 AMAQI
8th Sep 2025427 AMAQI
8th Sep 2025448 AMAQI
8th Sep 2025489 AMAQI
8th Sep 20254710 AMAQI
8th Sep 20254911 AMAQI
8th Sep 20255212 PMAQI
8th Sep 2025441 PMAQI
8th Sep 2025522 PMAQI
8th Sep 2025503 PMAQI
8th Sep 2025524 PMAQI
8th Sep 2025455 PMAQI
8th Sep 2025456 PMAQI
8th Sep 2025537 PMAQI
8th Sep 2025508 PMAQI
8th Sep 2025529 PMAQI
8th Sep 20255010 PMAQI
8th Sep 20254811 PMAQI
9th Sep 20254512 AMAQI
9th Sep 2025421 AMAQI
9th Sep 2025422 AMAQI
9th Sep 2025433 AMAQI
9th Sep 2025424 AMAQI
9th Sep 2025435 AMAQI
23°C20/27°C
9th Sep 2025456 AMAQI
9th Sep 2025437 AMAQI
9th Sep 2025438 AMAQI
9th Sep 2025449 AMAQI
9th Sep 20255110 AMAQI
9th Sep 20255411 AMAQI
9th Sep 20255212 PMAQI
9th Sep 2025511 PMAQI
9th Sep 2025492 PMAQI
9th Sep 2025553 PMAQI
9th Sep 2025524 PMAQI
9th Sep 2025465 PMAQI
9th Sep 2025486 PMAQI
9th Sep 2025487 PMAQI
9th Sep 2025508 PMAQI
9th Sep 2025519 PMAQI
9th Sep 20254610 PMAQI
9th Sep 20254311 PMAQI
10th Sep 20254912 AMAQI
10th Sep 2025461 AMAQI
10th Sep 2025432 AMAQI
10th Sep 2025433 AMAQI
10th Sep 2025484 AMAQI
10th Sep 2025465 AMAQI
21°C19/23°C
10th Sep 2025466 AMAQI
10th Sep 2025477 AMAQI
10th Sep 2025458 AMAQI
10th Sep 2025609 AMAQI
10th Sep 20256310 AMAQI
10th Sep 20255811 AMAQI
10th Sep 20256012 PMAQI
10th Sep 2025501 PMAQI
10th Sep 2025532 PMAQI
10th Sep 2025543 PMAQI
10th Sep 2025504 PMAQI
10th Sep 2025495 PMAQI
10th Sep 2025536 PMAQI
10th Sep 2025487 PMAQI
10th Sep 2025498 PMAQI
10th Sep 2025499 PMAQI
10th Sep 20255110 PMAQI
10th Sep 20255211 PMAQI
11th Sep 20255212 AMAQI
11th Sep 2025491 AMAQI
11th Sep 2025462 AMAQI
11th Sep 2025463 AMAQI
11th Sep 2025474 AMAQI
11th Sep 2025485 AMAQI
23°C20/28°C
11th Sep 2025486 AMAQI
11th Sep 2025477 AMAQI
11th Sep 2025488 AMAQI
11th Sep 2025579 AMAQI
11th Sep 20255510 AMAQI
11th Sep 20255111 AMAQI
11th Sep 20255112 PMAQI
11th Sep 2025461 PMAQI
11th Sep 2025422 PMAQI
11th Sep 2025463 PMAQI
11th Sep 2025424 PMAQI
11th Sep 2025505 PMAQI
11th Sep 2025416 PMAQI
11th Sep 2025457 PMAQI
11th Sep 2025418 PMAQI
11th Sep 2025479 PMAQI
11th Sep 20255210 PMAQI
11th Sep 20255011 PMAQI
12th Sep 20255012 AMAQI
12th Sep 2025481 AMAQI
12th Sep 2025472 AMAQI
12th Sep 2025503 AMAQI
12th Sep 2025484 AMAQI
12th Sep 2025505 AMAQI
24°C20/29°C
12th Sep 2025516 AMAQI
12th Sep 2025517 AMAQI
12th Sep 2025518 AMAQI
12th Sep 2025429 AMAQI
12th Sep 20255410 AMAQI
12th Sep 20254011 AMAQI
12th Sep 20254412 PMAQI
12th Sep 2025411 PMAQI
12th Sep 2025392 PMAQI
12th Sep 2025343 PMAQI
12th Sep 2025374 PMAQI
12th Sep 2025375 PMAQI
12th Sep 2025406 PMAQI
12th Sep 2025317 PMAQI
12th Sep 2025388 PMAQI
12th Sep 2025449 PMAQI
12th Sep 20254110 PMAQI
12th Sep 20254611 PMAQI
13th Sep 20254412 AMAQI
13th Sep 2025501 AMAQI
13th Sep 2025482 AMAQI
13th Sep 2025493 AMAQI
13th Sep 2025494 AMAQI
13th Sep 2025515 AMAQI
23°C22/25°C
13th Sep 2025486 AMAQI
13th Sep 2025497 AMAQI
13th Sep 2025498 AMAQI
13th Sep 2025289 AMAQI
13th Sep 20253710 AMAQI
13th Sep 20253411 AMAQI
13th Sep 20253412 PMAQI
13th Sep 2025321 PMAQI
13th Sep 2025332 PMAQI
13th Sep 2025323 PMAQI
13th Sep 2025344 PMAQI
13th Sep 2025305 PMAQI
13th Sep 2025286 PMAQI
13th Sep 2025307 PMAQI
13th Sep 2025338 PMAQI
13th Sep 2025449 PMAQI
13th Sep 20255010 PMAQI
13th Sep 20255211 PMAQI
14th Sep 20254612 AMAQI
14th Sep 2025541 AMAQI
14th Sep 2025462 AMAQI
14th Sep 2025483 AMAQI
14th Sep 2025494 AMAQI
14th Sep 2025495 AMAQI
25°C22/26°C
14th Sep 2025456 AMAQI
14th Sep 2025477 AMAQI
14th Sep 2025488 AMAQI
14th Sep 2025389 AMAQI
14th Sep 20253310 AMAQI
14th Sep 20252911 AMAQI
14th Sep 20253512 PMAQI
14th Sep 2025411 PMAQI
14th Sep 2025342 PMAQI
14th Sep 2025423 PMAQI
14th Sep 2025404 PMAQI
14th Sep 2025395 PMAQI
14th Sep 2025396 PMAQI
14th Sep 2025467 PMAQI
14th Sep 2025468 PMAQI
14th Sep 2025409 PMAQI
14th Sep 20254010 PMAQI
14th Sep 20254211 PMAQI
15th Sep 20254012 AMAQI
15th Sep 2025451 AMAQI
15th Sep 2025502 AMAQI
15th Sep 2025503 AMAQI
15th Sep 2025484 AMAQI
15th Sep 2025505 AMAQI
24°C22/27°C
15th Sep 2025476 AMAQI
15th Sep 2025497 AMAQI
15th Sep 2025508 AMAQI
15th Sep 2025419 AMAQI
15th Sep 20254010 AMAQI
15th Sep 20253611 AMAQI
15th Sep 20254612 PMAQI
15th Sep 2025471 PMAQI
15th Sep 2025342 PMAQI
15th Sep 2025293 PMAQI
15th Sep 2025324 PMAQI
15th Sep 2025335 PMAQI
15th Sep 2025306 PMAQI
15th Sep 2025357 PMAQI
15th Sep 2025438 PMAQI
15th Sep 2025489 PMAQI
15th Sep 20255110 PMAQI
15th Sep 20255111 PMAQI
16th Sep 20254912 AMAQI
16th Sep 2025491 AMAQI
16th Sep 2025482 AMAQI
16th Sep 2025483 AMAQI
16th Sep 2025474 AMAQI
16th Sep 2025475 AMAQI
24°C21/28°C
16th Sep 2025466 AMAQI
16th Sep 2025467 AMAQI
16th Sep 2025468 AMAQI
16th Sep 2025459 AMAQI
16th Sep 20254610 AMAQI
16th Sep 20254511 AMAQI
16th Sep 20254612 PMAQI
16th Sep 2025421 PMAQI
16th Sep 2025352 PMAQI
16th Sep 2025393 PMAQI
16th Sep 2025384 PMAQI
16th Sep 2025315 PMAQI
16th Sep 2025306 PMAQI
16th Sep 2025307 PMAQI
16th Sep 2025318 PMAQI
16th Sep 2025379 PMAQI
16th Sep 20253910 PMAQI
16th Sep 20253611 PMAQI
17th Sep 20254012 AMAQI
17th Sep 2025491 AMAQI
17th Sep 2025502 AMAQI
17th Sep 2025493 AMAQI
17th Sep 2025474 AMAQI
17th Sep 2025485 AMAQI
25°C22/28°C
17th Sep 2025476 AMAQI
6 AM17th Sep 2025477 AMAQI
17th Sep 2025488 AMAQI
17th Sep 2025299 AMAQI
17th Sep 20252610 AMAQI
17th Sep 20252411 AMAQI
17th Sep 20252712 PMAQI
12 PM17th Sep 2025241 PMAQI
17th Sep 2025222 PMAQI
17th Sep 2025223 PMAQI
17th Sep 2025244 PMAQI
17th Sep 2025255 PMAQI
17th Sep 2025266 PMAQI
17th Sep 2025287 PMAQI
7 PM17th Sep 2025368 PMAQI
17th Sep 2025419 PMAQI
17th Sep 20253910 PMAQI
17th Sep 20253911 PMAQI
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 8 AM
47AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
5 PM - 7 PM
41AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 AM (Avg. 47), while the lowest AQI was between 5 PM to 7 PM (Avg. 41).
Night time
Avg. Highest Time
1 AM - 5 AM
47AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM
42AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 5 AM (Avg. 47), while the lowest AQI was between 8 PM to 8 PM (Avg. 42).
2025 Days Vs Air Quality
Boryeong, Chungnam, South Korea
2025
32%
84
64%
166
3%
9
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Good
84 DaysModerate
166 DaysPoor
9 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 32%
Health Risk Level:
High
In 2025, 32% of 260 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
Boryeong, Chungnam, 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
74AQI
74AQI
2nd January 2025
57AQI
57AQI
3rd January 2025
59AQI
59AQI
4th January 2025
55AQI
55AQI
5th January 2025
69AQI
69AQI
6th January 2025
84AQI
84AQI
7th January 2025
56AQI
56AQI
8th January 2025
62AQI
62AQI
9th January 2025
43AQI
43AQI
10th January 2025
57AQI
57AQI
11th January 2025
61AQI
61AQI
12th January 2025
72AQI
72AQI
13th January 2025
81AQI
81AQI
14th January 2025
99AQI
99AQI
15th January 2025
57AQI
57AQI
16th January 2025
71AQI
71AQI
17th January 2025
66AQI
66AQI
18th January 2025
79AQI
79AQI
19th January 2025
74AQI
74AQI
20th January 2025
113AQI
113AQI
21st January 2025
121AQI
121AQI
22nd January 2025
128AQI
128AQI
23rd January 2025
93AQI
93AQI
24th January 2025
100AQI
100AQI
25th January 2025
73AQI
73AQI
26th January 2025
59AQI
59AQI
27th January 2025
69AQI
69AQI
28th January 2025
54AQI
54AQI
29th January 2025
56AQI
56AQI
30th January 2025
61AQI
61AQI
31st January 2025
73AQI
73AQI
1st February 2025
92AQI
92AQI
2nd February 2025
96AQI
96AQI
3rd February 2025
62AQI
62AQI
4th February 2025
55AQI
55AQI
5th February 2025
48AQI
48AQI
6th February 2025
54AQI
54AQI
7th February 2025
48AQI
48AQI
8th February 2025
42AQI
42AQI
9th February 2025
48AQI
48AQI
10th February 2025
57AQI
57AQI
11th February 2025
65AQI
65AQI
12th February 2025
59AQI
59AQI
13th February 2025
51AQI
51AQI
14th February 2025
70AQI
70AQI
15th February 2025
58AQI
58AQI
16th February 2025
100AQI
100AQI
17th February 2025
54AQI
54AQI
18th February 2025
62AQI
62AQI
19th February 2025
46AQI
46AQI
20th February 2025
51AQI
51AQI
21st February 2025
51AQI
51AQI
22nd February 2025
57AQI
57AQI
23rd February 2025
54AQI
54AQI
24th February 2025
53AQI
53AQI
25th February 2025
53AQI
53AQI
26th February 2025
73AQI
73AQI
27th February 2025
60AQI
60AQI
28th February 2025
66AQI
66AQI
1st March 2025
82AQI
82AQI
2nd March 2025
65AQI
65AQI
3rd March 2025
52AQI
52AQI
4th March 2025
46AQI
46AQI
5th March 2025
40AQI
40AQI
6th March 2025
75AQI
75AQI
7th March 2025
83AQI
83AQI
8th March 2025
81AQI
81AQI
9th March 2025
95AQI
95AQI
10th March 2025
95AQI
95AQI
11th March 2025
98AQI
98AQI
12th March 2025
103AQI
103AQI
13th March 2025
79AQI
79AQI
14th March 2025
83AQI
83AQI
15th March 2025
63AQI
63AQI
16th March 2025
71AQI
71AQI
17th March 2025
67AQI
67AQI
18th March 2025
86AQI
86AQI
19th March 2025
83AQI
83AQI
20th March 2025
93AQI
93AQI
21st March 2025
102AQI
102AQI
22nd March 2025
115AQI
115AQI
23rd March 2025
117AQI
117AQI
24th March 2025
113AQI
113AQI
25th March 2025
125AQI
125AQI
26th March 2025
90AQI
90AQI
27th March 2025
88AQI
88AQI
28th March 2025
64AQI
64AQI
29th March 2025
52AQI
52AQI
30th March 2025
49AQI
49AQI
31st March 2025
64AQI
64AQI
1st April 2025
73AQI
73AQI
2nd April 2025
77AQI
77AQI
3rd April 2025
88AQI
88AQI
4th April 2025
85AQI
85AQI
5th April 2025
74AQI
74AQI
6th April 2025
71AQI
71AQI
7th April 2025
71AQI
71AQI
8th April 2025
77AQI
77AQI
9th April 2025
69AQI
69AQI
10th April 2025
75AQI
75AQI
11th April 2025
78AQI
78AQI
12th April 2025
62AQI
62AQI
13th April 2025
63AQI
63AQI
14th April 2025
45AQI
45AQI
15th April 2025
60AQI
60AQI
16th April 2025
62AQI
62AQI
17th April 2025
67AQI
67AQI
18th April 2025
75AQI
75AQI
19th April 2025
50AQI
50AQI
20th April 2025
69AQI
69AQI
21st April 2025
59AQI
59AQI
22nd April 2025
43AQI
43AQI
23rd April 2025
47AQI
47AQI
24th April 2025
60AQI
60AQI
25th April 2025
51AQI
51AQI
26th April 2025
49AQI
49AQI
27th April 2025
42AQI
42AQI
28th April 2025
59AQI
59AQI
29th April 2025
63AQI
63AQI
30th April 2025
60AQI
60AQI
1st May 2025
56AQI
56AQI
2nd May 2025
51AQI
51AQI
3rd May 2025
50AQI
50AQI
4th May 2025
49AQI
49AQI
5th May 2025
48AQI
48AQI
6th May 2025
51AQI
51AQI
7th May 2025
53AQI
53AQI
8th May 2025
56AQI
56AQI
9th May 2025
45AQI
45AQI
10th May 2025
56AQI
56AQI
11th May 2025
68AQI
68AQI
12th May 2025
69AQI
69AQI
13th May 2025
73AQI
73AQI
14th May 2025
70AQI
70AQI
15th May 2025
53AQI
53AQI
16th May 2025
43AQI
43AQI
17th May 2025
46AQI
46AQI
18th May 2025
57AQI
57AQI
19th May 2025
56AQI
56AQI
20th May 2025
37AQI
37AQI
21st May 2025
40AQI
40AQI
22nd May 2025
42AQI
42AQI
23rd May 2025
56AQI
56AQI
24th May 2025
54AQI
54AQI
25th May 2025
50AQI
50AQI
26th May 2025
65AQI
65AQI
27th May 2025
63AQI
63AQI
28th May 2025
71AQI
71AQI
29th May 2025
74AQI
74AQI
30th May 2025
79AQI
79AQI
31st May 2025
76AQI
76AQI
1st June 2025
80AQI
80AQI
2nd June 2025
87AQI
87AQI
3rd June 2025
69AQI
69AQI
4th June 2025
62AQI
62AQI
5th June 2025
55AQI
55AQI
6th June 2025
58AQI
58AQI
7th June 2025
64AQI
64AQI
8th June 2025
58AQI
58AQI
9th June 2025
57AQI
57AQI
10th June 2025
50AQI
50AQI
11th June 2025
58AQI
58AQI
12th June 2025
59AQI
59AQI
13th June 2025
62AQI
62AQI
14th June 2025
55AQI
55AQI
15th June 2025
54AQI
54AQI
16th June 2025
56AQI
56AQI
17th June 2025
56AQI
56AQI
18th June 2025
60AQI
60AQI
19th June 2025
60AQI
60AQI
20th June 2025
46AQI
46AQI
21st June 2025
47AQI
47AQI
22nd June 2025
47AQI
47AQI
23rd June 2025
55AQI
55AQI
24th June 2025
56AQI
56AQI
25th June 2025
49AQI
49AQI
26th June 2025
55AQI
55AQI
27th June 2025
61AQI
61AQI
28th June 2025
55AQI
55AQI
29th June 2025
47AQI
47AQI
30th June 2025
46AQI
46AQI
1st July 2025
44AQI
44AQI
2nd July 2025
52AQI
52AQI
3rd July 2025
52AQI
52AQI
4th July 2025
52AQI
52AQI
5th July 2025
48AQI
48AQI
6th July 2025
47AQI
47AQI
7th July 2025
52AQI
52AQI
8th July 2025
63AQI
63AQI
9th July 2025
56AQI
56AQI
10th July 2025
54AQI
54AQI
11th July 2025
55AQI
55AQI
12th July 2025
53AQI
53AQI
13th July 2025
58AQI
58AQI
14th July 2025
56AQI
56AQI
15th July 2025
46AQI
46AQI
16th July 2025
54AQI
54AQI
17th July 2025
50AQI
50AQI
18th July 2025
49AQI
49AQI
19th July 2025
43AQI
43AQI
20th July 2025
49AQI
49AQI
21st July 2025
43AQI
43AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
46AQI
46AQI
24th July 2025
52AQI
52AQI
25th July 2025
66AQI
66AQI
26th July 2025
61AQI
61AQI
27th July 2025
50AQI
50AQI
28th July 2025
55AQI
55AQI
29th July 2025
59AQI
59AQI
30th July 2025
66AQI
66AQI
31st July 2025
56AQI
56AQI
1st August 2025
56AQI
56AQI
2nd August 2025
61AQI
61AQI
3rd August 2025
59AQI
59AQI
4th August 2025
51AQI
51AQI
5th August 2025
49AQI
49AQI
6th August 2025
50AQI
50AQI
7th August 2025
46AQI
46AQI
8th August 2025
50AQI
50AQI
9th August 2025
53AQI
53AQI
10th August 2025
52AQI
52AQI
11th August 2025
53AQI
53AQI
12th August 2025
48AQI
48AQI
13th August 2025
40AQI
40AQI
14th August 2025
39AQI
39AQI
15th August 2025
37AQI
37AQI
16th August 2025
36AQI
36AQI
17th August 2025
40AQI
40AQI
18th August 2025
49AQI
49AQI
19th August 2025
45AQI
45AQI
20th August 2025
47AQI
47AQI
21st August 2025
46AQI
46AQI
22nd August 2025
45AQI
45AQI
23rd August 2025
48AQI
48AQI
24th August 2025
47AQI
47AQI
25th August 2025
44AQI
44AQI
26th August 2025
42AQI
42AQI
27th August 2025
47AQI
47AQI
28th August 2025
49AQI
49AQI
29th August 2025
42AQI
42AQI
30th August 2025
41AQI
41AQI
31st August 2025
45AQI
45AQI
1st September 2025
39AQI
39AQI
2nd September 2025
47AQI
47AQI
3rd September 2025
49AQI
49AQI
4th September 2025
44AQI
44AQI
5th September 2025
42AQI
42AQI
6th September 2025
37AQI
37AQI
7th September 2025
41AQI
41AQI
8th September 2025
46AQI
46AQI
9th September 2025
47AQI
47AQI
10th September 2025
50AQI
50AQI
11th September 2025
48AQI
48AQI
12th September 2025
44AQI
44AQI
13th September 2025
41AQI
41AQI
14th September 2025
43AQI
43AQI
15th September 2025
43AQI
43AQI
16th September 2025
43AQI
43AQI
17th September 2025
18th September 2025
19th September 2025
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
73AQI
60AQI
81AQI
64AQI
57AQI
57AQI
52AQI
47AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202561AQI
1
27
3
5
23
3
22
6
6
24
10
21
7
23
12
19
24
7
16
84
166
9
Highest AQI recorded in
March81AQI
Lowest AQI recorded in
September44AQI
202457AQI
12
13
6
10
12
7
4
24
2
1
5
22
3
19
12
11
19
25
6
19
12
25
5
14
17
9
19
2
7
24
160
185
20
1
Highest AQI recorded in
March71AQI
Lowest AQI recorded in
July37AQI
202362AQI
8
18
4
1
20
6
2
3
19
9
3
21
5
1
6
24
1
12
18
16
15
21
10
23
7
15
16
14
15
10
17
4
131
200
29
4
Highest AQI recorded in
February90AQI
Lowest AQI recorded in
September41AQI
202267AQI
5
21
4
1
3
12
7
5
23
3
4
25
1
3
27
1
18
12
11
12
2
11
16
2
8
18
5
3
19
8
8
22
1
81
207
32
1
Highest AQI recorded in
November83AQI
Lowest AQI recorded in
August41AQI
202168AQI
5
25
1
6
14
6
2
2
18
9
1
1
2
27
1
6
23
2
5
25
15
16
18
13
24
6
13
18
10
18
1
1
10
14
7
116
217
25
3
1
3
Highest AQI recorded in
March109AQI
Lowest AQI recorded in
September42AQI
202059AQI
4
8
1
3
18
4
14
12
18
20
11
18
13
21
9
9
21
1
11
12
7
4
21
6
106
145
15
Highest AQI recorded in
December76AQI
Lowest AQI recorded in
July44AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
68AQILeast Polluted Year Recorded
2024(Avg.)
57AQIBoryeong's annual 2025 AQI (61) shows an average percentage change of -2.9% (improved AQI) compared to previous years: 2020 (59), 2021 (68), 2022 (67), 2023 (62), 2024 (57).
