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+
July Air Quality Analysis
Boryeong, Chungnam, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Jul 2021
100AQILowest AQI recorded on
18th Jul 2023
14AQISame Day Analysis (29th July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 59 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 29th Jul - 30th Jul 2025
Boryeong, Chungnam, South Korea
AQI
Day
Night
.
5 AM29th Jul 2025
7 PM
4 AM30th Jul 2025
Day time
Avg. Highest Time
10AM29th Jul
68AQI
Avg. Lowest Time
7PM29th Jul
52AQI
Night time
Avg. Highest Time
12AM30th Jul
64AQI
Avg. Lowest Time
8PM29th Jul
54AQI
In the last 24 hours,
Boryeong's AQI reached its highest point of 68 at 10 AM during the Day, while the lowest point, 52, was recorded at 7 PM during the Day between 29th Jul and 30th Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Boryeong, Chungnam, South Korea
JunJul
30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th
Day
Night
30th Jun 2025565 AMAQI
30th Jun 2025566 AMAQI
30th Jun 2025567 AMAQI
30th Jun 2025568 AMAQI
30th Jun 2025349 AMAQI
30th Jun 20252610 AMAQI
30th Jun 20252511 AMAQI
30th Jun 20252712 PMAQI
30th Jun 2025361 PMAQI
30th Jun 2025352 PMAQI
30th Jun 2025353 PMAQI
30th Jun 2025364 PMAQI
30th Jun 2025325 PMAQI
30th Jun 2025346 PMAQI
30th Jun 2025347 PMAQI
30th Jun 2025388 PMAQI
30th Jun 2025509 PMAQI
30th Jun 20255010 PMAQI
30th Jun 20255111 PMAQI
1st Jul 20255212 AMAQI
1st Jul 2025541 AMAQI
1st Jul 2025562 AMAQI
1st Jul 2025563 AMAQI
1st Jul 2025554 AMAQI
25°C22/27°C
1st Jul 2025545 AMAQI
1st Jul 2025546 AMAQI
1st Jul 2025547 AMAQI
1st Jul 2025548 AMAQI
1st Jul 2025319 AMAQI
1st Jul 20252410 AMAQI
1st Jul 20252811 AMAQI
1st Jul 20252812 PMAQI
1st Jul 2025341 PMAQI
1st Jul 2025322 PMAQI
1st Jul 2025303 PMAQI
1st Jul 2025304 PMAQI
1st Jul 2025325 PMAQI
1st Jul 2025336 PMAQI
1st Jul 2025327 PMAQI
1st Jul 2025388 PMAQI
1st Jul 2025509 PMAQI
1st Jul 20254810 PMAQI
1st Jul 20254711 PMAQI
2nd Jul 20254812 AMAQI
2nd Jul 2025521 AMAQI
2nd Jul 2025542 AMAQI
2nd Jul 2025543 AMAQI
2nd Jul 2025544 AMAQI
25°C23/28°C
2nd Jul 2025535 AMAQI
2nd Jul 2025536 AMAQI
2nd Jul 2025537 AMAQI
2nd Jul 2025538 AMAQI
2nd Jul 2025369 AMAQI
2nd Jul 20253710 AMAQI
2nd Jul 20253911 AMAQI
2nd Jul 20254812 PMAQI
2nd Jul 2025491 PMAQI
2nd Jul 2025532 PMAQI
2nd Jul 2025553 PMAQI
2nd Jul 2025554 PMAQI
2nd Jul 2025575 PMAQI
2nd Jul 2025566 PMAQI
2nd Jul 2025547 PMAQI
2nd Jul 2025548 PMAQI
2nd Jul 2025549 PMAQI
2nd Jul 20255410 PMAQI
2nd Jul 20255411 PMAQI
3rd Jul 20255412 AMAQI
3rd Jul 2025541 AMAQI
3rd Jul 2025532 AMAQI
3rd Jul 2025533 AMAQI
3rd Jul 2025524 AMAQI
25°C23/27°C
3rd Jul 2025525 AMAQI
3rd Jul 2025526 AMAQI
3rd Jul 2025527 AMAQI
3rd Jul 2025528 AMAQI
3rd Jul 2025529 AMAQI
3rd Jul 20255110 AMAQI
3rd Jul 20255011 AMAQI
3rd Jul 20255012 PMAQI
3rd Jul 2025501 PMAQI
3rd Jul 2025502 PMAQI
3rd Jul 2025503 PMAQI
3rd Jul 2025504 PMAQI
3rd Jul 2025505 PMAQI
3rd Jul 2025516 PMAQI
3rd Jul 2025517 PMAQI
3rd Jul 2025528 PMAQI
3rd Jul 2025529 PMAQI
3rd Jul 20255310 PMAQI
3rd Jul 20255411 PMAQI
4th Jul 20255412 AMAQI
4th Jul 2025531 AMAQI
4th Jul 2025532 AMAQI
4th Jul 2025533 AMAQI
4th Jul 2025534 AMAQI
24°C22/27°C
4th Jul 2025545 AMAQI
4th Jul 2025546 AMAQI
4th Jul 2025547 AMAQI
4th Jul 2025548 AMAQI
4th Jul 2025619 AMAQI
4th Jul 20256110 AMAQI
4th Jul 20255911 AMAQI
4th Jul 20255412 PMAQI
4th Jul 2025501 PMAQI
4th Jul 2025492 PMAQI
4th Jul 2025483 PMAQI
4th Jul 2025504 PMAQI
4th Jul 2025475 PMAQI
4th Jul 2025456 PMAQI
4th Jul 2025447 PMAQI
4th Jul 2025488 PMAQI
4th Jul 2025519 PMAQI
4th Jul 20255010 PMAQI
4th Jul 20255111 PMAQI
5th Jul 20255112 AMAQI
5th Jul 2025541 AMAQI
5th Jul 2025532 AMAQI
5th Jul 2025533 AMAQI
5th Jul 2025534 AMAQI
24°C22/27°C
5th Jul 2025535 AMAQI
5th Jul 2025536 AMAQI
5th Jul 2025537 AMAQI
5th Jul 2025548 AMAQI
5th Jul 2025399 AMAQI
5th Jul 20253710 AMAQI
5th Jul 20254011 AMAQI
5th Jul 20253912 PMAQI
5th Jul 2025421 PMAQI
5th Jul 2025422 PMAQI
5th Jul 2025423 PMAQI
5th Jul 2025424 PMAQI
5th Jul 2025425 PMAQI
5th Jul 2025436 PMAQI
5th Jul 2025437 PMAQI
5th Jul 2025448 PMAQI
5th Jul 2025499 PMAQI
5th Jul 20255210 PMAQI
5th Jul 20255111 PMAQI
6th Jul 20255112 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025532 AMAQI
6th Jul 2025533 AMAQI
6th Jul 2025534 AMAQI
24°C22/27°C
6th Jul 2025525 AMAQI
6th Jul 2025536 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025459 AMAQI
6th Jul 20253910 AMAQI
6th Jul 20253911 AMAQI
6th Jul 20254012 PMAQI
6th Jul 2025441 PMAQI
6th Jul 2025432 PMAQI
6th Jul 2025403 PMAQI
6th Jul 2025394 PMAQI
6th Jul 2025385 PMAQI
6th Jul 2025376 PMAQI
6th Jul 2025347 PMAQI
6th Jul 2025408 PMAQI
6th Jul 2025499 PMAQI
6th Jul 20255210 PMAQI
6th Jul 20255211 PMAQI
7th Jul 20255212 AMAQI
7th Jul 2025511 AMAQI
7th Jul 2025532 AMAQI
7th Jul 2025533 AMAQI
7th Jul 2025534 AMAQI
25°C23/28°C
7th Jul 2025525 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025469 AMAQI
7th Jul 20254810 AMAQI
7th Jul 20254411 AMAQI
7th Jul 20255112 PMAQI
7th Jul 2025541 PMAQI
7th Jul 2025552 PMAQI
7th Jul 2025563 PMAQI
7th Jul 2025564 PMAQI
7th Jul 2025555 PMAQI
7th Jul 2025526 PMAQI
7th Jul 2025527 PMAQI
7th Jul 2025528 PMAQI
7th Jul 2025549 PMAQI
7th Jul 20255310 PMAQI
7th Jul 20255311 PMAQI
8th Jul 20255312 AMAQI
8th Jul 2025531 AMAQI
8th Jul 2025532 AMAQI
8th Jul 2025533 AMAQI
8th Jul 2025534 AMAQI
26°C23/29°C
8th Jul 2025535 AMAQI
8th Jul 2025536 AMAQI
8th Jul 2025537 AMAQI
8th Jul 2025538 AMAQI
8th Jul 2025639 AMAQI
8th Jul 20257110 AMAQI
8th Jul 20257811 AMAQI
8th Jul 20257912 PMAQI
8th Jul 2025741 PMAQI
8th Jul 2025752 PMAQI
8th Jul 2025743 PMAQI
8th Jul 2025754 PMAQI
8th Jul 2025755 PMAQI
8th Jul 2025756 PMAQI
8th Jul 2025767 PMAQI
8th Jul 2025708 PMAQI
8th Jul 2025619 PMAQI
8th Jul 20256610 PMAQI
8th Jul 20256411 PMAQI
9th Jul 20256012 AMAQI
9th Jul 2025591 AMAQI
9th Jul 2025562 AMAQI
9th Jul 2025543 AMAQI
9th Jul 2025554 AMAQI
27°C24/31°C
9th Jul 2025565 AMAQI
9th Jul 2025566 AMAQI
9th Jul 2025567 AMAQI
9th Jul 2025568 AMAQI
9th Jul 2025609 AMAQI
9th Jul 20255810 AMAQI
9th Jul 20255411 AMAQI
9th Jul 20255412 PMAQI
9th Jul 2025551 PMAQI
9th Jul 2025502 PMAQI
9th Jul 2025523 PMAQI
9th Jul 2025554 PMAQI
9th Jul 2025555 PMAQI
9th Jul 2025566 PMAQI
9th Jul 2025577 PMAQI
9th Jul 2025608 PMAQI
9th Jul 2025589 PMAQI
9th Jul 20255810 PMAQI
9th Jul 20255811 PMAQI
10th Jul 20255912 AMAQI
10th Jul 2025591 AMAQI
10th Jul 2025582 AMAQI
10th Jul 2025573 AMAQI
10th Jul 2025574 AMAQI
28°C25/32°C
10th Jul 2025565 AMAQI
10th Jul 2025566 AMAQI
10th Jul 2025567 AMAQI
10th Jul 2025568 AMAQI
10th Jul 2025469 AMAQI
10th Jul 20253910 AMAQI
10th Jul 20253911 AMAQI
10th Jul 20254212 PMAQI
10th Jul 2025481 PMAQI
10th Jul 2025482 PMAQI
10th Jul 2025503 PMAQI
10th Jul 2025494 PMAQI
10th Jul 2025495 PMAQI
10th Jul 2025506 PMAQI
10th Jul 2025487 PMAQI
10th Jul 2025578 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20256110 PMAQI
10th Jul 20256011 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025611 AMAQI
11th Jul 2025592 AMAQI
11th Jul 2025583 AMAQI
11th Jul 2025594 AMAQI
27°C24/32°C
11th Jul 2025605 AMAQI
11th Jul 2025596 AMAQI
11th Jul 2025577 AMAQI
11th Jul 2025568 AMAQI
11th Jul 2025449 AMAQI
11th Jul 20254310 AMAQI
11th Jul 20254811 AMAQI
11th Jul 20254912 PMAQI
11th Jul 2025521 PMAQI
11th Jul 2025552 PMAQI
11th Jul 2025533 PMAQI
11th Jul 2025534 PMAQI
11th Jul 2025535 PMAQI
11th Jul 2025526 PMAQI
11th Jul 2025527 PMAQI
11th Jul 2025548 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255810 PMAQI
11th Jul 20255811 PMAQI
12th Jul 20255812 AMAQI
12th Jul 2025581 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025584 AMAQI
27°C24/32°C
12th Jul 2025585 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025588 AMAQI
12th Jul 2025479 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20253911 AMAQI
12th Jul 20253812 PMAQI
12th Jul 2025471 PMAQI
12th Jul 2025472 PMAQI
12th Jul 2025473 PMAQI
12th Jul 2025484 PMAQI
12th Jul 2025505 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025497 PMAQI
12th Jul 2025528 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025571 AMAQI
13th Jul 2025582 AMAQI
13th Jul 2025583 AMAQI
13th Jul 2025584 AMAQI
26°C22/30°C
13th Jul 2025575 AMAQI
13th Jul 2025576 AMAQI
13th Jul 2025577 AMAQI
13th Jul 2025578 AMAQI
13th Jul 2025579 AMAQI
13th Jul 20255810 AMAQI
13th Jul 20255811 AMAQI
13th Jul 20255812 PMAQI
13th Jul 2025591 PMAQI
13th Jul 2025592 PMAQI
13th Jul 2025583 PMAQI
13th Jul 2025604 PMAQI
13th Jul 2025605 PMAQI
13th Jul 2025596 PMAQI
13th Jul 2025607 PMAQI
13th Jul 2025608 PMAQI
13th Jul 2025609 PMAQI
13th Jul 20255910 PMAQI
13th Jul 20255811 PMAQI
14th Jul 20255812 AMAQI
14th Jul 2025571 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
14th Jul 2025584 AMAQI
24°C21/26°C
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025579 AMAQI
14th Jul 20255810 AMAQI
14th Jul 20255511 AMAQI
14th Jul 20255612 PMAQI
14th Jul 2025561 PMAQI
14th Jul 2025562 PMAQI
14th Jul 2025563 PMAQI
14th Jul 2025564 PMAQI
14th Jul 2025525 PMAQI
14th Jul 2025486 PMAQI
14th Jul 2025507 PMAQI
14th Jul 2025518 PMAQI
14th Jul 2025559 PMAQI
14th Jul 20255510 PMAQI
14th Jul 20255411 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025582 AMAQI
15th Jul 2025583 AMAQI
15th Jul 2025584 AMAQI
24°C21/26°C
15th Jul 2025585 AMAQI
15th Jul 2025586 AMAQI
15th Jul 2025587 AMAQI
15th Jul 2025588 AMAQI
15th Jul 2025299 AMAQI
15th Jul 20252210 AMAQI
15th Jul 20251911 AMAQI
15th Jul 20252312 PMAQI
15th Jul 2025371 PMAQI
15th Jul 2025332 PMAQI
15th Jul 2025363 PMAQI
15th Jul 2025364 PMAQI
15th Jul 2025355 PMAQI
15th Jul 2025326 PMAQI
15th Jul 2025327 PMAQI
15th Jul 2025408 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255611 PMAQI
16th Jul 20255612 AMAQI
16th Jul 2025571 AMAQI
16th Jul 2025582 AMAQI
16th Jul 2025583 AMAQI
16th Jul 2025574 AMAQI
22°C20/25°C
16th Jul 2025555 AMAQI
16th Jul 2025566 AMAQI
16th Jul 2025567 AMAQI
16th Jul 2025568 AMAQI
16th Jul 2025589 AMAQI
16th Jul 20255510 AMAQI
16th Jul 20255411 AMAQI
16th Jul 20255412 PMAQI
16th Jul 2025541 PMAQI
16th Jul 2025552 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025504 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025486 PMAQI
16th Jul 2025497 PMAQI
16th Jul 2025508 PMAQI
16th Jul 2025559 PMAQI
16th Jul 20255610 PMAQI
16th Jul 20255611 PMAQI
17th Jul 20255512 AMAQI
17th Jul 2025571 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025563 AMAQI
17th Jul 2025564 AMAQI
22°C21/24°C
17th Jul 2025565 AMAQI
17th Jul 2025566 AMAQI
17th Jul 2025567 AMAQI
17th Jul 2025568 AMAQI
17th Jul 2025529 AMAQI
17th Jul 20254610 AMAQI
17th Jul 20254711 AMAQI
17th Jul 20254212 PMAQI
17th Jul 2025401 PMAQI
17th Jul 2025402 PMAQI
17th Jul 2025443 PMAQI
17th Jul 2025474 PMAQI
17th Jul 2025445 PMAQI
17th Jul 2025436 PMAQI
17th Jul 2025407 PMAQI
17th Jul 2025418 PMAQI
17th Jul 2025539 PMAQI
17th Jul 20255410 PMAQI
17th Jul 20255311 PMAQI
18th Jul 20255412 AMAQI
18th Jul 2025561 AMAQI
18th Jul 2025562 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025564 AMAQI
24°C22/25°C
18th Jul 2025565 AMAQI
18th Jul 2025566 AMAQI
18th Jul 2025567 AMAQI
18th Jul 2025568 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20252810 AMAQI
18th Jul 20252911 AMAQI
18th Jul 20253112 PMAQI
18th Jul 2025381 PMAQI
18th Jul 2025382 PMAQI
18th Jul 2025423 PMAQI
18th Jul 2025424 PMAQI
18th Jul 2025445 PMAQI
18th Jul 2025446 PMAQI
18th Jul 2025447 PMAQI
18th Jul 2025468 PMAQI
18th Jul 2025539 PMAQI
18th Jul 20255410 PMAQI
18th Jul 20255411 PMAQI
19th Jul 20255412 AMAQI
19th Jul 2025551 AMAQI
19th Jul 2025562 AMAQI
19th Jul 2025553 AMAQI
19th Jul 2025554 AMAQI
24°C23/25°C
19th Jul 2025545 AMAQI
19th Jul 2025546 AMAQI
19th Jul 2025547 AMAQI
19th Jul 2025548 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20251610 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20252112 PMAQI
19th Jul 2025271 PMAQI
19th Jul 2025292 PMAQI
19th Jul 2025303 PMAQI
19th Jul 2025344 PMAQI
19th Jul 2025335 PMAQI
19th Jul 2025356 PMAQI
19th Jul 2025347 PMAQI
19th Jul 2025398 PMAQI
19th Jul 2025509 PMAQI
19th Jul 20255110 PMAQI
19th Jul 20255011 PMAQI
20th Jul 20255112 AMAQI
20th Jul 2025541 AMAQI
20th Jul 2025542 AMAQI
20th Jul 2025543 AMAQI
20th Jul 2025544 AMAQI
25°C23/27°C
20th Jul 2025535 AMAQI
20th Jul 2025536 AMAQI
20th Jul 2025537 AMAQI
20th Jul 2025538 AMAQI
20th Jul 2025429 AMAQI
20th Jul 20253810 AMAQI
20th Jul 20253911 AMAQI
20th Jul 20253812 PMAQI
20th Jul 2025401 PMAQI
20th Jul 2025402 PMAQI
20th Jul 2025423 PMAQI
20th Jul 2025424 PMAQI
20th Jul 2025465 PMAQI
20th Jul 2025486 PMAQI
20th Jul 2025517 PMAQI
20th Jul 2025528 PMAQI
20th Jul 2025539 PMAQI
20th Jul 20255310 PMAQI
20th Jul 20255311 PMAQI
21st Jul 20255312 AMAQI
21st Jul 2025541 AMAQI
21st Jul 2025532 AMAQI
21st Jul 2025533 AMAQI
21st Jul 2025534 AMAQI
26°C23/29°C
21st Jul 2025515 AMAQI
21st Jul 2025526 AMAQI
21st Jul 2025527 AMAQI
21st Jul 2025528 AMAQI
21st Jul 2025459 AMAQI
21st Jul 20254710 AMAQI
21st Jul 20254611 AMAQI
21st Jul 20254512 PMAQI
21st Jul 2025371 PMAQI
21st Jul 2025332 PMAQI
21st Jul 2025293 PMAQI
21st Jul 2025314 PMAQI
21st Jul 2025305 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025277 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025449 PMAQI
21st Jul 20254510 PMAQI
21st Jul 20254611 PMAQI
22nd Jul 20254512 AMAQI
22nd Jul 2025501 AMAQI
22nd Jul 2025522 AMAQI
22nd Jul 2025523 AMAQI
22nd Jul 2025524 AMAQI
26°C24/29°C
22nd Jul 2025525 AMAQI
22nd Jul 2025526 AMAQI
22nd Jul 2025527 AMAQI
22nd Jul 2025528 AMAQI
22nd Jul 2025339 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20252711 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025301 PMAQI
22nd Jul 2025302 PMAQI
22nd Jul 2025283 PMAQI
22nd Jul 2025314 PMAQI
22nd Jul 2025315 PMAQI
22nd Jul 2025316 PMAQI
22nd Jul 2025307 PMAQI
22nd Jul 2025358 PMAQI
22nd Jul 2025449 PMAQI
22nd Jul 20254410 PMAQI
22nd Jul 20254311 PMAQI
23rd Jul 20254212 AMAQI
23rd Jul 2025421 AMAQI
23rd Jul 2025442 AMAQI
23rd Jul 2025513 AMAQI
23rd Jul 2025504 AMAQI
26°C24/29°C
23rd Jul 2025485 AMAQI
23rd Jul 2025486 AMAQI
23rd Jul 2025487 AMAQI
23rd Jul 2025488 AMAQI
23rd Jul 2025409 AMAQI
23rd Jul 20253810 AMAQI
23rd Jul 20254311 AMAQI
23rd Jul 20254912 PMAQI
23rd Jul 2025491 PMAQI
23rd Jul 2025512 PMAQI
23rd Jul 2025503 PMAQI
23rd Jul 2025504 PMAQI
23rd Jul 2025475 PMAQI
23rd Jul 2025476 PMAQI
23rd Jul 2025477 PMAQI
23rd Jul 2025398 PMAQI
23rd Jul 2025439 PMAQI
23rd Jul 20254410 PMAQI
23rd Jul 20254611 PMAQI
24th Jul 20254512 AMAQI
24th Jul 2025481 AMAQI
24th Jul 2025482 AMAQI
24th Jul 2025483 AMAQI
24th Jul 2025484 AMAQI
26°C24/29°C
24th Jul 2025485 AMAQI
24th Jul 2025476 AMAQI
24th Jul 2025487 AMAQI
24th Jul 2025488 AMAQI
24th Jul 2025499 AMAQI
24th Jul 20255010 AMAQI
24th Jul 20255011 AMAQI
24th Jul 20255412 PMAQI
24th Jul 2025571 PMAQI
24th Jul 2025582 PMAQI
24th Jul 2025573 PMAQI
24th Jul 2025554 PMAQI
24th Jul 2025565 PMAQI
24th Jul 2025596 PMAQI
24th Jul 2025597 PMAQI
24th Jul 2025598 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20255510 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025512 AMAQI
25th Jul 2025483 AMAQI
25th Jul 2025494 AMAQI
27°C24/30°C
25th Jul 2025505 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025497 AMAQI
25th Jul 2025508 AMAQI
25th Jul 2025699 AMAQI
25th Jul 20258010 AMAQI
25th Jul 20258911 AMAQI
25th Jul 20258312 PMAQI
25th Jul 2025751 PMAQI
25th Jul 2025742 PMAQI
25th Jul 2025803 PMAQI
25th Jul 2025794 PMAQI
25th Jul 2025825 PMAQI
25th Jul 2025826 PMAQI
25th Jul 2025837 PMAQI
25th Jul 2025818 PMAQI
25th Jul 2025669 PMAQI
25th Jul 20256410 PMAQI
25th Jul 20256411 PMAQI
26th Jul 20256312 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025534 AMAQI
27°C24/31°C
26th Jul 2025565 AMAQI
26th Jul 2025566 AMAQI
26th Jul 2025567 AMAQI
26th Jul 2025568 AMAQI
26th Jul 2025629 AMAQI
26th Jul 20255810 AMAQI
26th Jul 20255511 AMAQI
26th Jul 20255712 PMAQI
26th Jul 2025571 PMAQI
26th Jul 2025592 PMAQI
26th Jul 2025593 PMAQI
26th Jul 2025614 PMAQI
26th Jul 2025625 PMAQI
26th Jul 2025696 PMAQI
26th Jul 2025827 PMAQI
26th Jul 2025738 PMAQI
26th Jul 2025669 PMAQI
26th Jul 20256710 PMAQI
26th Jul 20256611 PMAQI
27th Jul 20256212 AMAQI
27th Jul 2025551 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025553 AMAQI
27th Jul 2025554 AMAQI
28°C25/31°C
27th Jul 2025555 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025567 AMAQI
27th Jul 2025568 AMAQI
27th Jul 2025549 AMAQI
27th Jul 20254910 AMAQI
27th Jul 20254511 AMAQI
27th Jul 20254312 PMAQI
27th Jul 2025501 PMAQI
27th Jul 2025462 PMAQI
27th Jul 2025453 PMAQI
27th Jul 2025344 PMAQI
27th Jul 2025395 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025407 PMAQI
27th Jul 2025488 PMAQI
27th Jul 2025519 PMAQI
27th Jul 20255210 PMAQI
27th Jul 20255411 PMAQI
28th Jul 20255512 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025562 AMAQI
28th Jul 2025563 AMAQI
28th Jul 2025564 AMAQI
28°C25/32°C
28th Jul 2025555 AMAQI
28th Jul 2025556 AMAQI
28th Jul 2025557 AMAQI
28th Jul 2025558 AMAQI
28th Jul 2025569 AMAQI
28th Jul 20255910 AMAQI
28th Jul 20255811 AMAQI
28th Jul 20255712 PMAQI
28th Jul 2025551 PMAQI
28th Jul 2025562 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025554 PMAQI
28th Jul 2025525 PMAQI
28th Jul 2025516 PMAQI
28th Jul 2025527 PMAQI
28th Jul 2025548 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255410 PMAQI
28th Jul 20255511 PMAQI
29th Jul 20255512 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025562 AMAQI
29th Jul 2025563 AMAQI
29th Jul 2025564 AMAQI
27°C25/31°C
29th Jul 2025565 AMAQI
29th Jul 2025566 AMAQI
29th Jul 2025567 AMAQI
29th Jul 2025568 AMAQI
29th Jul 2025669 AMAQI
29th Jul 20256810 AMAQI
29th Jul 20256711 AMAQI
29th Jul 20256512 PMAQI
29th Jul 2025681 PMAQI
29th Jul 2025682 PMAQI
29th Jul 2025643 PMAQI
29th Jul 2025584 PMAQI
29th Jul 2025585 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025527 PMAQI
29th Jul 2025548 PMAQI
29th Jul 2025609 PMAQI
29th Jul 20256210 PMAQI
29th Jul 20256311 PMAQI
30th Jul 20256412 AMAQI
30th Jul 2025561 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025563 AMAQI
30th Jul 2025564 AMAQI
27°C24/31°C
30th Jul 2025585 AMAQI
5 AM30th Jul 2025576 AMAQI
30th Jul 2025587 AMAQI
30th Jul 2025588 AMAQI
30th Jul 2025729 AMAQI
30th Jul 20257410 AMAQI
30th Jul 20257511 AMAQI
30th Jul 20257212 PMAQI
12 PM30th Jul 2025731 PMAQI
30th Jul 2025712 PMAQI
30th Jul 2025663 PMAQI
30th Jul 2025774 PMAQI
30th Jul 2025795 PMAQI
30th Jul 2025746 PMAQI
30th Jul 2025727 PMAQI
7 PM30th Jul 2025688 PMAQI
30th Jul 2025649 PMAQI
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
54AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 7 PM
49AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 54), while the lowest AQI was between 9 AM to 7 PM (Avg. 49).
Night time
Avg. Highest Time
12 AM - 4 AM
55AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM
51AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 55), while the lowest AQI was between 8 PM to 8 PM (Avg. 51).
2025 Days Vs Air Quality
Boryeong, Chungnam, South Korea
2025
21%
44
75%
157
4%
9
Total number of days with different AQI categories in last 211 days in 2025 (154 days remaining)
Good
44 DaysModerate
157 DaysPoor
9 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 21%
Health Risk Level:
Very high
In 2025, 21% of 211 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
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.
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
73AQI
60AQI
81AQI
64AQI
57AQI
57AQI
52AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202564AQI
1
27
3
5
23
3
22
6
6
24
10
21
7
23
12
17
44
157
9
Highest AQI recorded in
March81AQI
Lowest AQI recorded in
July52AQI
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 (64) shows an average percentage change of 2.2% (worsened AQI) compared to previous years: 2020 (59), 2021 (68), 2022 (67), 2023 (62), 2024 (57).
