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HistoryAQIPM2.5PM10COSO2NO2O3

Hyucheon, Yongju, Gyeongbuk, South Korea Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

October Air Quality Analysis

Hyucheon, Yongju, Gyeongbuk, South Korea

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
26th Oct 2023
110AQI
Lowest AQI recorded on
12th Oct 2021
20AQI

Same Day Analysis (12th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 55 of Moderate air quality, showing improvement over 2024, 2023 and 2022 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 12th Oct - 13th Oct 2025

Hyucheon, Yongju, Gyeongbuk, South Korea

AQI
Day
Night
.

6 AM12th Oct 2025

6 PM

5 AM13th Oct 2025

Day time
Avg. Highest Time
7AM12th Oct

64AQI

Avg. Lowest Time
3PM12th Oct

46AQI

Night time
Avg. Highest Time
3AM13th Oct

59AQI

Avg. Lowest Time
11PM12th Oct

46AQI

In the last 24 hours,

Hyucheon's AQI reached its highest point of 64 at 7 AM during the Day, while the lowest point, 46, was recorded at 11 PM during the Night between 12th Oct and 13th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Hyucheon, Yongju, Gyeongbuk, South Korea

SepOct
13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
13th Sep 2025496 AMAQI
13th Sep 2025497 AMAQI
13th Sep 2025488 AMAQI
13th Sep 2025379 AMAQI
13th Sep 20255010 AMAQI
13th Sep 20255411 AMAQI
13th Sep 20253812 PMAQI
13th Sep 2025281 PMAQI
13th Sep 2025262 PMAQI
13th Sep 2025263 PMAQI
13th Sep 2025304 PMAQI
13th Sep 2025365 PMAQI
13th Sep 2025436 PMAQI
13th Sep 2025497 PMAQI
13th Sep 2025518 PMAQI
13th Sep 2025609 PMAQI
13th Sep 20256610 PMAQI
13th Sep 20256611 PMAQI
14th Sep 20254912 AMAQI
14th Sep 2025551 AMAQI
14th Sep 2025482 AMAQI
14th Sep 2025483 AMAQI
14th Sep 2025484 AMAQI
14th Sep 2025465 AMAQI

20°C17/23°C

14th Sep 2025466 AMAQI
14th Sep 2025467 AMAQI
14th Sep 2025468 AMAQI
14th Sep 2025489 AMAQI
14th Sep 20256210 AMAQI
14th Sep 20253811 AMAQI
14th Sep 20254212 PMAQI
14th Sep 2025521 PMAQI
14th Sep 2025452 PMAQI
14th Sep 2025373 PMAQI
14th Sep 2025344 PMAQI
14th Sep 2025475 PMAQI
14th Sep 2025486 PMAQI
14th Sep 2025567 PMAQI
14th Sep 2025588 PMAQI
14th Sep 2025539 PMAQI
14th Sep 20254810 PMAQI
14th Sep 20254811 PMAQI
15th Sep 20254812 AMAQI
15th Sep 2025481 AMAQI
15th Sep 2025502 AMAQI
15th Sep 2025483 AMAQI
15th Sep 2025494 AMAQI
15th Sep 2025505 AMAQI

21°C16/26°C

15th Sep 2025516 AMAQI
15th Sep 2025507 AMAQI
15th Sep 2025508 AMAQI
15th Sep 2025469 AMAQI
15th Sep 20255310 AMAQI
15th Sep 20255011 AMAQI
15th Sep 20254812 PMAQI
15th Sep 2025521 PMAQI
15th Sep 2025602 PMAQI
15th Sep 2025463 PMAQI
15th Sep 2025504 PMAQI
15th Sep 2025445 PMAQI
15th Sep 2025346 PMAQI
15th Sep 2025467 PMAQI
15th Sep 2025428 PMAQI
15th Sep 2025519 PMAQI
15th Sep 20255610 PMAQI
15th Sep 20255211 PMAQI
16th Sep 20255312 AMAQI
16th Sep 2025471 AMAQI
16th Sep 2025502 AMAQI
16th Sep 2025483 AMAQI
16th Sep 2025514 AMAQI
16th Sep 2025525 AMAQI

22°C16/30°C

16th Sep 2025516 AMAQI
16th Sep 2025527 AMAQI
16th Sep 2025518 AMAQI
16th Sep 2025509 AMAQI
16th Sep 20254810 AMAQI
16th Sep 20255411 AMAQI
16th Sep 20255312 PMAQI
16th Sep 2025471 PMAQI
16th Sep 2025412 PMAQI
16th Sep 2025303 PMAQI
16th Sep 2025314 PMAQI
16th Sep 2025365 PMAQI
16th Sep 2025296 PMAQI
16th Sep 2025317 PMAQI
16th Sep 2025348 PMAQI
16th Sep 2025369 PMAQI
16th Sep 20253610 PMAQI
16th Sep 20253811 PMAQI
17th Sep 20254012 AMAQI
17th Sep 2025511 AMAQI
17th Sep 2025522 AMAQI
17th Sep 2025513 AMAQI
17th Sep 2025514 AMAQI
17th Sep 2025505 AMAQI

23°C17/31°C

17th Sep 2025506 AMAQI
17th Sep 2025517 AMAQI
17th Sep 2025508 AMAQI
17th Sep 2025299 AMAQI
17th Sep 20252610 AMAQI
17th Sep 20253111 AMAQI
17th Sep 20253212 PMAQI
17th Sep 2025281 PMAQI
17th Sep 2025302 PMAQI
17th Sep 2025323 PMAQI
17th Sep 2025294 PMAQI
17th Sep 2025215 PMAQI
17th Sep 2025246 PMAQI
17th Sep 2025267 PMAQI
17th Sep 2025408 PMAQI
17th Sep 2025439 PMAQI
17th Sep 20253410 PMAQI
17th Sep 20253411 PMAQI
18th Sep 20253512 AMAQI
18th Sep 2025441 AMAQI
18th Sep 2025442 AMAQI
18th Sep 2025453 AMAQI
18th Sep 2025444 AMAQI
18th Sep 2025425 AMAQI

22°C20/25°C

18th Sep 2025426 AMAQI
18th Sep 2025427 AMAQI
18th Sep 2025438 AMAQI
18th Sep 2025259 AMAQI
18th Sep 20251810 AMAQI
18th Sep 20251511 AMAQI
18th Sep 20251612 PMAQI
18th Sep 2025201 PMAQI
18th Sep 2025232 PMAQI
18th Sep 2025233 PMAQI
18th Sep 2025184 PMAQI
18th Sep 2025215 PMAQI
18th Sep 2025216 PMAQI
18th Sep 2025247 PMAQI
18th Sep 2025288 PMAQI
18th Sep 2025349 PMAQI
18th Sep 20253410 PMAQI
18th Sep 20253411 PMAQI
19th Sep 20253412 AMAQI
19th Sep 2025401 AMAQI
19th Sep 2025402 AMAQI
19th Sep 2025413 AMAQI
19th Sep 2025404 AMAQI
19th Sep 2025385 AMAQI

18°C15/20°C

19th Sep 2025386 AMAQI
19th Sep 2025387 AMAQI
19th Sep 2025378 AMAQI
19th Sep 2025249 AMAQI
19th Sep 20252110 AMAQI
19th Sep 20252311 AMAQI
19th Sep 20252412 PMAQI
19th Sep 2025251 PMAQI
19th Sep 2025232 PMAQI
19th Sep 2025223 PMAQI
19th Sep 2025244 PMAQI
19th Sep 2025275 PMAQI
19th Sep 2025266 PMAQI
19th Sep 2025247 PMAQI
19th Sep 2025268 PMAQI
19th Sep 2025359 PMAQI
19th Sep 20253410 PMAQI
19th Sep 20253411 PMAQI
20th Sep 20252912 AMAQI
20th Sep 2025371 AMAQI
20th Sep 2025382 AMAQI
20th Sep 2025373 AMAQI
20th Sep 2025374 AMAQI
20th Sep 2025345 AMAQI

17°C14/18°C

20th Sep 2025356 AMAQI
20th Sep 2025357 AMAQI
20th Sep 2025348 AMAQI
20th Sep 2025199 AMAQI
20th Sep 20251310 AMAQI
20th Sep 20251411 AMAQI
20th Sep 20251412 PMAQI
20th Sep 2025191 PMAQI
20th Sep 2025202 PMAQI
20th Sep 2025213 PMAQI
20th Sep 2025214 PMAQI
20th Sep 2025215 PMAQI
20th Sep 2025216 PMAQI
20th Sep 2025247 PMAQI
20th Sep 2025268 PMAQI
20th Sep 2025319 PMAQI
20th Sep 20253010 PMAQI
20th Sep 20253011 PMAQI
21st Sep 20253012 AMAQI
21st Sep 2025341 AMAQI
21st Sep 2025352 AMAQI
21st Sep 2025343 AMAQI
21st Sep 2025344 AMAQI
21st Sep 2025325 AMAQI

18°C15/21°C

21st Sep 2025326 AMAQI
21st Sep 2025327 AMAQI
21st Sep 2025328 AMAQI
21st Sep 2025259 AMAQI
21st Sep 20252110 AMAQI
21st Sep 20252111 AMAQI
21st Sep 20251712 PMAQI
21st Sep 2025201 PMAQI
21st Sep 2025172 PMAQI
21st Sep 2025183 PMAQI
21st Sep 2025194 PMAQI
21st Sep 2025185 PMAQI
21st Sep 2025216 PMAQI
21st Sep 2025227 PMAQI
21st Sep 2025258 PMAQI
21st Sep 2025329 PMAQI
21st Sep 20252910 PMAQI
21st Sep 20253111 PMAQI
22nd Sep 20253012 AMAQI
22nd Sep 2025321 AMAQI
22nd Sep 2025342 AMAQI
22nd Sep 2025333 AMAQI
22nd Sep 2025334 AMAQI
22nd Sep 2025325 AMAQI

18°C14/24°C

22nd Sep 2025326 AMAQI
22nd Sep 2025327 AMAQI
22nd Sep 2025328 AMAQI
22nd Sep 2025219 AMAQI
22nd Sep 20251610 AMAQI
22nd Sep 20252011 AMAQI
22nd Sep 20251912 PMAQI
22nd Sep 2025241 PMAQI
22nd Sep 2025222 PMAQI
22nd Sep 2025223 PMAQI
22nd Sep 2025264 PMAQI
22nd Sep 2025265 PMAQI
22nd Sep 2025256 PMAQI
22nd Sep 2025247 PMAQI
22nd Sep 2025258 PMAQI
22nd Sep 2025299 PMAQI
22nd Sep 20253010 PMAQI
22nd Sep 20253011 PMAQI
23rd Sep 20253012 AMAQI
23rd Sep 2025311 AMAQI
23rd Sep 2025322 AMAQI
23rd Sep 2025323 AMAQI
23rd Sep 2025324 AMAQI
23rd Sep 2025305 AMAQI

16°C11/23°C

23rd Sep 2025316 AMAQI
23rd Sep 2025307 AMAQI
23rd Sep 2025308 AMAQI
23rd Sep 2025289 AMAQI
23rd Sep 20252410 AMAQI
23rd Sep 20252611 AMAQI
23rd Sep 20252512 PMAQI
23rd Sep 2025261 PMAQI
23rd Sep 2025242 PMAQI
23rd Sep 2025233 PMAQI
23rd Sep 2025224 PMAQI
23rd Sep 2025215 PMAQI
23rd Sep 2025246 PMAQI
23rd Sep 2025227 PMAQI
23rd Sep 2025248 PMAQI
23rd Sep 2025299 PMAQI
23rd Sep 20253010 PMAQI
23rd Sep 20253011 PMAQI
24th Sep 20252912 AMAQI
24th Sep 2025301 AMAQI
24th Sep 2025312 AMAQI
24th Sep 2025313 AMAQI
24th Sep 2025314 AMAQI
24th Sep 2025315 AMAQI

17°C12/24°C

24th Sep 2025306 AMAQI
24th Sep 2025307 AMAQI
24th Sep 2025308 AMAQI
24th Sep 2025289 AMAQI
24th Sep 20253110 AMAQI
24th Sep 20253711 AMAQI
24th Sep 20253512 PMAQI
24th Sep 2025301 PMAQI
24th Sep 2025282 PMAQI
24th Sep 2025293 PMAQI
24th Sep 2025324 PMAQI
24th Sep 2025305 PMAQI
24th Sep 2025346 PMAQI
24th Sep 2025437 PMAQI
24th Sep 2025378 PMAQI
24th Sep 2025329 PMAQI
24th Sep 20253310 PMAQI
24th Sep 20253211 PMAQI
25th Sep 20253212 AMAQI
25th Sep 2025301 AMAQI
25th Sep 2025302 AMAQI
25th Sep 2025303 AMAQI
25th Sep 2025304 AMAQI
25th Sep 2025315 AMAQI

19°C13/26°C

25th Sep 2025306 AMAQI
25th Sep 2025317 AMAQI
25th Sep 2025318 AMAQI
25th Sep 2025289 AMAQI
25th Sep 20252010 AMAQI
25th Sep 20252011 AMAQI
25th Sep 20252212 PMAQI
25th Sep 2025251 PMAQI
25th Sep 2025222 PMAQI
25th Sep 2025243 PMAQI
25th Sep 2025214 PMAQI
25th Sep 2025245 PMAQI
25th Sep 2025236 PMAQI
25th Sep 2025237 PMAQI
25th Sep 2025228 PMAQI
25th Sep 2025229 PMAQI
25th Sep 20252710 PMAQI
25th Sep 20252911 PMAQI
26th Sep 20253412 AMAQI
26th Sep 2025441 AMAQI
26th Sep 2025402 AMAQI
26th Sep 2025373 AMAQI
26th Sep 2025384 AMAQI
26th Sep 2025305 AMAQI

19°C18/22°C

26th Sep 2025226 AMAQI
26th Sep 2025187 AMAQI
26th Sep 2025268 AMAQI
26th Sep 2025359 AMAQI
26th Sep 20253410 AMAQI
26th Sep 20253411 AMAQI
26th Sep 20253712 PMAQI
26th Sep 2025401 PMAQI
26th Sep 2025462 PMAQI
26th Sep 2025443 PMAQI
26th Sep 2025454 PMAQI
26th Sep 2025465 PMAQI
26th Sep 2025496 PMAQI
26th Sep 2025497 PMAQI
26th Sep 2025478 PMAQI
26th Sep 2025509 PMAQI
26th Sep 20254810 PMAQI
26th Sep 20254611 PMAQI
27th Sep 20255412 AMAQI
27th Sep 2025501 AMAQI
27th Sep 2025522 AMAQI
27th Sep 2025493 AMAQI
27th Sep 2025464 AMAQI
27th Sep 2025505 AMAQI

20°C15/27°C

27th Sep 2025466 AMAQI
27th Sep 2025407 AMAQI
27th Sep 2025518 AMAQI
27th Sep 2025589 AMAQI
27th Sep 20255010 AMAQI
27th Sep 20253311 AMAQI
27th Sep 20254012 PMAQI
27th Sep 2025421 PMAQI
27th Sep 2025392 PMAQI
27th Sep 2025343 PMAQI
27th Sep 2025384 PMAQI
27th Sep 2025405 PMAQI
27th Sep 2025396 PMAQI
27th Sep 2025347 PMAQI
27th Sep 2025428 PMAQI
27th Sep 2025479 PMAQI
27th Sep 20254910 PMAQI
27th Sep 20254711 PMAQI
28th Sep 20255112 AMAQI
28th Sep 2025361 AMAQI
28th Sep 2025392 AMAQI
28th Sep 2025333 AMAQI
28th Sep 2025414 AMAQI
28th Sep 2025425 AMAQI

19°C14/26°C

28th Sep 2025326 AMAQI
28th Sep 2025217 AMAQI
28th Sep 2025208 AMAQI
28th Sep 2025179 AMAQI
28th Sep 20253610 AMAQI
28th Sep 20254011 AMAQI
28th Sep 20253312 PMAQI
28th Sep 2025261 PMAQI
28th Sep 2025162 PMAQI
28th Sep 2025133 PMAQI
28th Sep 2025114 PMAQI
28th Sep 2025125 PMAQI
28th Sep 2025136 PMAQI
28th Sep 2025147 PMAQI
28th Sep 2025148 PMAQI
28th Sep 2025139 PMAQI
28th Sep 20251810 PMAQI
28th Sep 20252011 PMAQI
29th Sep 20252012 AMAQI
29th Sep 2025231 AMAQI
29th Sep 2025212 AMAQI
29th Sep 2025223 AMAQI
29th Sep 2025204 AMAQI
29th Sep 2025225 AMAQI

17°C15/18°C

29th Sep 2025356 AMAQI
29th Sep 2025367 AMAQI
29th Sep 2025368 AMAQI
29th Sep 2025549 AMAQI
29th Sep 20255010 AMAQI
29th Sep 20254211 AMAQI
29th Sep 20254212 PMAQI
29th Sep 2025521 PMAQI
29th Sep 2025562 PMAQI
29th Sep 2025553 PMAQI
29th Sep 2025564 PMAQI
29th Sep 2025605 PMAQI
29th Sep 2025546 PMAQI
29th Sep 2025517 PMAQI
29th Sep 2025498 PMAQI
29th Sep 2025389 PMAQI
29th Sep 20254010 PMAQI
29th Sep 20255311 PMAQI
30th Sep 20255312 AMAQI
30th Sep 2025431 AMAQI
30th Sep 2025482 AMAQI
30th Sep 2025343 AMAQI
30th Sep 2025454 AMAQI
30th Sep 2025565 AMAQI

19°C16/23°C

30th Sep 2025616 AMAQI
30th Sep 2025537 AMAQI
30th Sep 2025498 AMAQI
30th Sep 2025559 AMAQI
30th Sep 20255010 AMAQI
30th Sep 20255011 AMAQI
30th Sep 20255212 PMAQI
30th Sep 2025511 PMAQI
30th Sep 2025572 PMAQI
30th Sep 2025593 PMAQI
30th Sep 2025594 PMAQI
30th Sep 2025575 PMAQI
30th Sep 2025566 PMAQI
30th Sep 2025597 PMAQI
30th Sep 2025618 PMAQI
30th Sep 2025649 PMAQI
30th Sep 20257110 PMAQI
30th Sep 20256611 PMAQI
1st Oct 20256512 AMAQI
1st Oct 2025611 AMAQI
1st Oct 2025642 AMAQI
1st Oct 2025643 AMAQI
1st Oct 2025624 AMAQI
1st Oct 2025655 AMAQI

18°C14/23°C

1st Oct 2025636 AMAQI
1st Oct 2025527 AMAQI
1st Oct 2025488 AMAQI
1st Oct 2025389 AMAQI
1st Oct 20253810 AMAQI
1st Oct 20253511 AMAQI
1st Oct 20254712 PMAQI
1st Oct 2025451 PMAQI
1st Oct 2025592 PMAQI
1st Oct 2025693 PMAQI
1st Oct 2025684 PMAQI
1st Oct 2025695 PMAQI
1st Oct 2025636 PMAQI
1st Oct 2025647 PMAQI
1st Oct 2025648 PMAQI
1st Oct 2025659 PMAQI
1st Oct 20256710 PMAQI
1st Oct 20257211 PMAQI
2nd Oct 20257412 AMAQI
2nd Oct 2025721 AMAQI
2nd Oct 2025782 AMAQI
2nd Oct 2025713 AMAQI
2nd Oct 2025724 AMAQI
2nd Oct 2025745 AMAQI

18°C14/25°C

2nd Oct 2025696 AMAQI
2nd Oct 2025767 AMAQI
2nd Oct 2025738 AMAQI
2nd Oct 2025759 AMAQI
2nd Oct 20257510 AMAQI
2nd Oct 20257711 AMAQI
2nd Oct 20258312 PMAQI
2nd Oct 2025751 PMAQI
2nd Oct 2025692 PMAQI
2nd Oct 2025643 PMAQI
2nd Oct 2025674 PMAQI
2nd Oct 2025705 PMAQI
2nd Oct 2025696 PMAQI
2nd Oct 2025657 PMAQI
2nd Oct 2025688 PMAQI
2nd Oct 2025669 PMAQI
2nd Oct 20256110 PMAQI
2nd Oct 20256611 PMAQI
3rd Oct 20256812 AMAQI
3rd Oct 2025671 AMAQI
3rd Oct 2025662 AMAQI
3rd Oct 2025653 AMAQI
3rd Oct 2025644 AMAQI
3rd Oct 2025615 AMAQI

19°C16/25°C

3rd Oct 2025616 AMAQI
3rd Oct 2025647 AMAQI
3rd Oct 2025658 AMAQI
3rd Oct 2025629 AMAQI
3rd Oct 20255710 AMAQI
3rd Oct 20255611 AMAQI
3rd Oct 20256312 PMAQI
3rd Oct 2025631 PMAQI
3rd Oct 2025662 PMAQI
3rd Oct 2025603 PMAQI
3rd Oct 2025564 PMAQI
3rd Oct 2025545 PMAQI
3rd Oct 2025526 PMAQI
3rd Oct 2025427 PMAQI
3rd Oct 2025358 PMAQI
3rd Oct 2025399 PMAQI
3rd Oct 20253910 PMAQI
3rd Oct 20254411 PMAQI
4th Oct 20254212 AMAQI
4th Oct 2025421 AMAQI
4th Oct 2025462 AMAQI
4th Oct 2025513 AMAQI
4th Oct 2025474 AMAQI
4th Oct 2025465 AMAQI

18°C16/21°C

4th Oct 2025386 AMAQI
4th Oct 2025467 AMAQI
4th Oct 2025468 AMAQI
4th Oct 2025529 AMAQI
4th Oct 20254710 AMAQI
4th Oct 20254711 AMAQI
4th Oct 20254512 PMAQI
4th Oct 2025441 PMAQI
4th Oct 2025392 PMAQI
4th Oct 2025393 PMAQI
4th Oct 2025384 PMAQI
4th Oct 2025405 PMAQI
4th Oct 2025376 PMAQI
4th Oct 2025387 PMAQI
4th Oct 2025438 PMAQI
4th Oct 2025369 PMAQI
4th Oct 20253810 PMAQI
4th Oct 20253911 PMAQI
5th Oct 20253812 AMAQI
5th Oct 2025411 AMAQI
5th Oct 2025422 AMAQI
5th Oct 2025423 AMAQI
5th Oct 2025464 AMAQI
5th Oct 2025485 AMAQI

19°C17/20°C

5th Oct 2025426 AMAQI
5th Oct 2025437 AMAQI
5th Oct 2025438 AMAQI
5th Oct 2025429 AMAQI
5th Oct 20254410 AMAQI
5th Oct 20254511 AMAQI
5th Oct 20254912 PMAQI
5th Oct 2025451 PMAQI
5th Oct 2025472 PMAQI
5th Oct 2025523 PMAQI
5th Oct 2025554 PMAQI
5th Oct 2025555 PMAQI
5th Oct 2025526 PMAQI
5th Oct 2025527 PMAQI
5th Oct 2025538 PMAQI
5th Oct 2025559 PMAQI
5th Oct 20255410 PMAQI
5th Oct 20255711 PMAQI
6th Oct 20255612 AMAQI
6th Oct 2025561 AMAQI
6th Oct 2025542 AMAQI
6th Oct 2025533 AMAQI
6th Oct 2025534 AMAQI
6th Oct 2025185 AMAQI

20°C18/22°C

6th Oct 2025226 AMAQI
6th Oct 2025247 AMAQI
6th Oct 2025388 AMAQI
6th Oct 2025459 AMAQI
6th Oct 20254310 AMAQI
6th Oct 20254211 AMAQI
6th Oct 20254212 PMAQI
6th Oct 2025561 PMAQI
6th Oct 2025392 PMAQI
6th Oct 2025453 PMAQI
6th Oct 2025474 PMAQI
6th Oct 2025505 PMAQI
6th Oct 2025536 PMAQI
6th Oct 2025507 PMAQI
6th Oct 2025538 PMAQI
6th Oct 2025429 PMAQI
6th Oct 20254410 PMAQI
6th Oct 20254211 PMAQI
7th Oct 20255512 AMAQI
7th Oct 2025551 AMAQI
7th Oct 2025202 AMAQI

17°C15/18°C

7th Oct 2025188 PMAQI
7th Oct 2025349 PMAQI
7th Oct 20254310 PMAQI
7th Oct 20254611 PMAQI
8th Oct 20254212 AMAQI
8th Oct 2025391 AMAQI
8th Oct 2025422 AMAQI
8th Oct 2025303 AMAQI
8th Oct 2025194 AMAQI
8th Oct 2025405 AMAQI

17°C15/19°C

8th Oct 2025356 AMAQI
8th Oct 2025347 AMAQI
8th Oct 2025338 AMAQI
8th Oct 2025339 AMAQI
8th Oct 20252810 AMAQI
8th Oct 20253611 AMAQI
8th Oct 20252712 PMAQI
8th Oct 2025161 PMAQI
8th Oct 2025182 PMAQI
8th Oct 2025333 PMAQI
8th Oct 2025564 PMAQI
8th Oct 2025325 PMAQI
8th Oct 2025366 PMAQI
8th Oct 2025417 PMAQI
8th Oct 2025548 PMAQI
8th Oct 2025559 PMAQI
8th Oct 20255610 PMAQI
8th Oct 20253611 PMAQI
9th Oct 20253412 AMAQI
9th Oct 2025371 AMAQI
9th Oct 2025412 AMAQI
9th Oct 2025413 AMAQI
9th Oct 2025394 AMAQI
9th Oct 2025425 AMAQI

19°C17/23°C

9th Oct 2025506 AMAQI
9th Oct 2025587 AMAQI
9th Oct 2025588 AMAQI
9th Oct 2025639 AMAQI
9th Oct 20255910 AMAQI
9th Oct 20255911 AMAQI
9th Oct 20255612 PMAQI
9th Oct 2025391 PMAQI
9th Oct 2025292 PMAQI
9th Oct 2025323 PMAQI
9th Oct 2025254 PMAQI
9th Oct 2025195 PMAQI
9th Oct 2025226 PMAQI
9th Oct 2025197 PMAQI
9th Oct 2025458 PMAQI
9th Oct 2025529 PMAQI
9th Oct 20255010 PMAQI
9th Oct 20254911 PMAQI
10th Oct 20254512 AMAQI
10th Oct 2025401 AMAQI
10th Oct 2025392 AMAQI
10th Oct 2025463 AMAQI
10th Oct 2025394 AMAQI
10th Oct 2025405 AMAQI

17°C15/21°C

10th Oct 2025396 AMAQI
10th Oct 2025407 AMAQI
10th Oct 2025408 AMAQI
10th Oct 2025409 AMAQI
10th Oct 20254010 AMAQI
10th Oct 20254311 AMAQI
10th Oct 20254212 PMAQI
10th Oct 2025401 PMAQI
10th Oct 2025402 PMAQI
10th Oct 2025393 PMAQI
10th Oct 2025394 PMAQI
10th Oct 2025415 PMAQI
10th Oct 2025436 PMAQI
10th Oct 2025507 PMAQI
10th Oct 2025608 PMAQI
10th Oct 2025529 PMAQI
10th Oct 20254710 PMAQI
10th Oct 20254811 PMAQI
11th Oct 20254712 AMAQI
11th Oct 2025531 AMAQI
11th Oct 2025522 AMAQI
11th Oct 2025443 AMAQI
11th Oct 2025514 AMAQI
11th Oct 2025455 AMAQI

17°C15/18°C

11th Oct 2025386 AMAQI
11th Oct 2025437 AMAQI
11th Oct 2025438 AMAQI
11th Oct 2025449 AMAQI
11th Oct 20253610 AMAQI
11th Oct 20253711 AMAQI
11th Oct 20254612 PMAQI
11th Oct 2025531 PMAQI
11th Oct 2025602 PMAQI
11th Oct 2025603 PMAQI
11th Oct 2025544 PMAQI
11th Oct 2025415 PMAQI
11th Oct 2025526 PMAQI
11th Oct 2025597 PMAQI
11th Oct 2025568 PMAQI
11th Oct 2025549 PMAQI
11th Oct 20255210 PMAQI
11th Oct 20255411 PMAQI
12th Oct 20255612 AMAQI
12th Oct 2025521 AMAQI
12th Oct 2025562 AMAQI
12th Oct 2025553 AMAQI
12th Oct 2025524 AMAQI
12th Oct 2025575 AMAQI

20°C17/26°C

12th Oct 2025606 AMAQI
12th Oct 2025647 AMAQI
12th Oct 2025648 AMAQI
12th Oct 2025579 AMAQI
12th Oct 20255110 AMAQI
12th Oct 20255111 AMAQI
12th Oct 20255212 PMAQI
12th Oct 2025531 PMAQI
12th Oct 2025542 PMAQI
12th Oct 2025463 PMAQI
12th Oct 2025534 PMAQI
12th Oct 2025535 PMAQI
12th Oct 2025576 PMAQI
12th Oct 2025567 PMAQI
12th Oct 2025548 PMAQI
12th Oct 2025569 PMAQI
12th Oct 20254810 PMAQI
12th Oct 20254611 PMAQI
13th Oct 20255412 AMAQI
13th Oct 2025551 AMAQI
13th Oct 2025552 AMAQI
13th Oct 2025593 AMAQI
13th Oct 2025594 AMAQI
13th Oct 2025595 AMAQI

18°C17/20°C

13th Oct 2025436 AMAQI
6 AM
13th Oct 2025297 AMAQI
13th Oct 2025598 AMAQI
13th Oct 2025599 AMAQI
13th Oct 20255810 AMAQI
13th Oct 20255811 AMAQI
13th Oct 20255612 PMAQI
12 PM
13th Oct 2025581 PMAQI
6 PM
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
8 AM

44AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
2 PM - 6 PM

38AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 8 AM (Avg. 44), while the lowest AQI was between 2 PM to 6 PM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 5 AM

44AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
7 PM

40AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 44), while the lowest AQI was between 7 PM to 7 PM (Avg. 40).

2025 Days Vs Air Quality

Hyucheon, Yongju, Gyeongbuk, South Korea

2025

33%

94

64%

181

4%

10

Total number of days with different AQI categories in last 286 days in 2025 (79 days remaining)

Good
94 Days
Moderate
181 Days
Poor
10 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 33%

Health Risk Level:

High

In 2025, 33% of 286 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

Hyucheon, Yongju, Gyeongbuk, 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
75AQI
2nd January 2025
75AQI
3rd January 2025
62AQI
4th January 2025
66AQI
5th January 2025
73AQI
6th January 2025
104AQI
7th January 2025
67AQI
8th January 2025
78AQI
9th January 2025
52AQI
10th January 2025
67AQI
11th January 2025
69AQI
12th January 2025
81AQI
13th January 2025
98AQI
14th January 2025
106AQI
15th January 2025
68AQI
16th January 2025
78AQI
17th January 2025
87AQI
18th January 2025
99AQI
19th January 2025
87AQI
20th January 2025
117AQI
21st January 2025
134AQI
22nd January 2025
142AQI
23rd January 2025
113AQI
24th January 2025
98AQI
25th January 2025
72AQI
26th January 2025
63AQI
27th January 2025
70AQI
28th January 2025
58AQI
29th January 2025
62AQI
30th January 2025
64AQI
31st January 2025
80AQI
1st February 2025
76AQI
2nd February 2025
80AQI
3rd February 2025
70AQI
4th February 2025
54AQI
5th February 2025
52AQI
6th February 2025
48AQI
7th February 2025
56AQI
8th February 2025
54AQI
9th February 2025
60AQI
10th February 2025
65AQI
11th February 2025
79AQI
12th February 2025
82AQI
13th February 2025
55AQI
14th February 2025
81AQI
15th February 2025
58AQI
16th February 2025
104AQI
17th February 2025
53AQI
18th February 2025
67AQI
19th February 2025
54AQI
20th February 2025
59AQI
21st February 2025
58AQI
22nd February 2025
57AQI
23rd February 2025
60AQI
24th February 2025
62AQI
25th February 2025
62AQI
26th February 2025
83AQI
27th February 2025
65AQI
28th February 2025
76AQI
1st March 2025
78AQI
2nd March 2025
78AQI
3rd March 2025
52AQI
4th March 2025
50AQI
5th March 2025
47AQI
6th March 2025
51AQI
7th March 2025
58AQI
8th March 2025
62AQI
9th March 2025
78AQI
10th March 2025
77AQI
11th March 2025
88AQI
12th March 2025
85AQI
13th March 2025
72AQI
14th March 2025
64AQI
15th March 2025
51AQI
16th March 2025
58AQI
17th March 2025
60AQI
18th March 2025
58AQI
19th March 2025
73AQI
20th March 2025
76AQI
21st March 2025
91AQI
22nd March 2025
79AQI
23rd March 2025
91AQI
24th March 2025
95AQI
25th March 2025
115AQI
26th March 2025
104AQI
27th March 2025
118AQI
28th March 2025
92AQI
29th March 2025
70AQI
30th March 2025
60AQI
31st March 2025
64AQI
1st April 2025
63AQI
2nd April 2025
60AQI
3rd April 2025
76AQI
4th April 2025
67AQI
5th April 2025
70AQI
6th April 2025
63AQI
7th April 2025
65AQI
8th April 2025
78AQI
9th April 2025
72AQI
10th April 2025
77AQI
11th April 2025
68AQI
12th April 2025
59AQI
13th April 2025
60AQI
14th April 2025
52AQI
15th April 2025
53AQI
16th April 2025
61AQI
17th April 2025
64AQI
18th April 2025
78AQI
19th April 2025
67AQI
20th April 2025
54AQI
21st April 2025
51AQI
22nd April 2025
45AQI
23rd April 2025
36AQI
24th April 2025
58AQI
25th April 2025
68AQI
26th April 2025
58AQI
27th April 2025
54AQI
28th April 2025
55AQI
29th April 2025
62AQI
30th April 2025
61AQI
1st May 2025
57AQI
2nd May 2025
53AQI
3rd May 2025
53AQI
4th May 2025
50AQI
5th May 2025
52AQI
6th May 2025
49AQI
7th May 2025
57AQI
8th May 2025
68AQI
9th May 2025
50AQI
10th May 2025
41AQI
11th May 2025
61AQI
12th May 2025
65AQI
13th May 2025
76AQI
14th May 2025
69AQI
15th May 2025
76AQI
16th May 2025
61AQI
17th May 2025
49AQI
18th May 2025
60AQI
19th May 2025
63AQI
20th May 2025
61AQI
21st May 2025
62AQI
22nd May 2025
59AQI
23rd May 2025
64AQI
24th May 2025
46AQI
25th May 2025
52AQI
26th May 2025
56AQI
27th May 2025
64AQI
28th May 2025
74AQI
29th May 2025
67AQI
30th May 2025
58AQI
31st May 2025
58AQI
1st June 2025
60AQI
2nd June 2025
74AQI
3rd June 2025
65AQI
4th June 2025
51AQI
5th June 2025
52AQI
6th June 2025
60AQI
7th June 2025
63AQI
8th June 2025
64AQI
9th June 2025
67AQI
10th June 2025
66AQI
11th June 2025
58AQI
12th June 2025
60AQI
13th June 2025
65AQI
14th June 2025
46AQI
15th June 2025
55AQI
16th June 2025
55AQI
17th June 2025
63AQI
18th June 2025
65AQI
19th June 2025
66AQI
20th June 2025
57AQI
21st June 2025
41AQI
22nd June 2025
33AQI
23rd June 2025
49AQI
24th June 2025
49AQI
25th June 2025
42AQI
26th June 2025
48AQI
27th June 2025
55AQI
28th June 2025
59AQI
29th June 2025
51AQI
30th June 2025
46AQI
1st July 2025
42AQI
2nd July 2025
37AQI
3rd July 2025
52AQI
4th July 2025
55AQI
5th July 2025
52AQI
6th July 2025
55AQI
7th July 2025
62AQI
8th July 2025
63AQI
9th July 2025
54AQI
10th July 2025
50AQI
11th July 2025
47AQI
12th July 2025
47AQI
13th July 2025
51AQI
14th July 2025
42AQI
15th July 2025
38AQI
16th July 2025
50AQI
17th July 2025
42AQI
18th July 2025
41AQI
19th July 2025
33AQI
20th July 2025
41AQI
21st July 2025
46AQI
22nd July 2025
36AQI
23rd July 2025
43AQI
24th July 2025
50AQI
25th July 2025
46AQI
26th July 2025
41AQI
27th July 2025
39AQI
28th July 2025
44AQI
29th July 2025
52AQI
30th July 2025
48AQI
31st July 2025
51AQI
1st August 2025
55AQI
2nd August 2025
59AQI
3rd August 2025
62AQI
4th August 2025
55AQI
5th August 2025
52AQI
6th August 2025
47AQI
7th August 2025
46AQI
8th August 2025
50AQI
9th August 2025
51AQI
10th August 2025
44AQI
11th August 2025
53AQI
12th August 2025
45AQI
13th August 2025
43AQI
14th August 2025
45AQI
15th August 2025
49AQI
16th August 2025
49AQI
17th August 2025
43AQI
18th August 2025
51AQI
19th August 2025
49AQI
20th August 2025
46AQI
21st August 2025
49AQI
22nd August 2025
52AQI
23rd August 2025
51AQI
24th August 2025
55AQI
25th August 2025
53AQI
26th August 2025
47AQI
27th August 2025
47AQI
28th August 2025
51AQI
29th August 2025
50AQI
30th August 2025
50AQI
31st August 2025
51AQI
1st September 2025
43AQI
2nd September 2025
48AQI
3rd September 2025
46AQI
4th September 2025
35AQI
5th September 2025
36AQI
6th September 2025
42AQI
7th September 2025
41AQI
8th September 2025
48AQI
9th September 2025
49AQI
10th September 2025
49AQI
11th September 2025
49AQI
12th September 2025
48AQI
13th September 2025
47AQI
14th September 2025
48AQI
15th September 2025
49AQI
16th September 2025
43AQI
17th September 2025
38AQI
18th September 2025
31AQI
19th September 2025
31AQI
20th September 2025
27AQI
21st September 2025
27AQI
22nd September 2025
28AQI
23rd September 2025
28AQI
24th September 2025
32AQI
25th September 2025
26AQI
26th September 2025
40AQI
27th September 2025
45AQI
28th September 2025
25AQI
29th September 2025
40AQI
30th September 2025
55AQI
1st October 2025
60AQI
2nd October 2025
71AQI
3rd October 2025
56AQI
4th October 2025
42AQI
5th October 2025
46AQI
6th October 2025
45AQI
7th October 2025
41AQI
8th October 2025
37AQI
9th October 2025
42AQI
10th October 2025
44AQI
11th October 2025
49AQI
12th October 2025
55AQI
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

83AQI

65AQI

74AQI

62AQI

59AQI

56AQI

47AQI

50AQI

40AQI

49AQI

No. of days

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

202559AQI

25
6
1
26
1
2
26
3
2
28
6
25
8
22
21
10
17
14
29
1
8
4
94
181
10

Highest AQI recorded in

January

83AQI

Lowest AQI recorded in

September

40AQI

202461AQI

2
19
10
8
16
5
1
25
4
1
1
26
3
9
22
8
21
26
5
25
6
23
7
20
11
8
22
31
131
211
22
1

Highest AQI recorded in

January

87AQI

Lowest AQI recorded in

July

38AQI

202370AQI

4
20
4
3
3
13
12
1
19
11
4
21
3
2
7
23
1
10
20
16
15
10
21
18
12
5
25
1
26
3
4
19
6
2
82
234
41
7

Highest AQI recorded in

February

91AQI

Lowest AQI recorded in

September

52AQI

202271AQI

2
22
6
1
16
5
8
16
7
7
22
1
6
25
17
13
22
2
1
11
18
3
25
3
17
12
1
19
10
2
77
195
44
4

Highest AQI recorded in

November

102AQI

Lowest AQI recorded in

August

28AQI

202167AQI

2
21
7
1
16
11
3
24
3
1
2
26
2
2
26
2
1
5
25
19
12
20
11
21
9
19
12
8
19
1
2
11
13
7
113
214
33
3
1

Highest AQI recorded in

February

92AQI

Lowest AQI recorded in

October

44AQI

202067AQI

7
6
3
16
2
3
15
5
23
2
26
5
15
16
14
15
3
26
2
22
8
1
18
10
2
77
162
24
2

Highest AQI recorded in

December

98AQI

Lowest AQI recorded in

July

40AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
71AQI
Least Polluted Year Recorded
2025(Avg.)
59AQI

Hyucheon's annual 2025 AQI (59) shows an average percentage change of -11.9% (improved AQI) compared to previous years: 2020 (67), 2021 (67), 2022 (71), 2023 (70), 2024 (61).