Byeoryang Dong, Gwacheon, Gyeonggi, South Korea Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
Byeoryang Dong, Gwacheon, Gyeonggi, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Aug 2021
83AQILowest AQI recorded on
9th Aug 2023
18AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 60 of Moderate air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Byeoryang Dong, Gwacheon, Gyeonggi, South Korea
AQI
Day
Night
.
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
2PM3rd Aug
69AQI
Avg. Lowest Time
6AM3rd Aug
58AQI
Night time
Avg. Highest Time
8PM3rd Aug
60AQI
Avg. Lowest Time
11PM3rd Aug
52AQI
In the last 24 hours,
Byeoryang Dong's AQI reached its highest point of 69 at 2 PM during the Day, while the lowest point, 52, was recorded at 11 PM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Byeoryang Dong, Gwacheon, Gyeonggi, South Korea
JulAug
05th - 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 - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025525 AMAQI
5th Jul 2025526 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025528 AMAQI
5th Jul 2025479 AMAQI
5th Jul 20254510 AMAQI
5th Jul 20255011 AMAQI
5th Jul 20255412 PMAQI
5th Jul 2025531 PMAQI
5th Jul 2025552 PMAQI
5th Jul 2025543 PMAQI
5th Jul 2025544 PMAQI
5th Jul 2025525 PMAQI
5th Jul 2025526 PMAQI
5th Jul 2025537 PMAQI
5th Jul 2025468 PMAQI
5th Jul 2025469 PMAQI
5th Jul 20254810 PMAQI
5th Jul 20254611 PMAQI
6th Jul 20254512 AMAQI
6th Jul 2025511 AMAQI
6th Jul 2025512 AMAQI
6th Jul 2025503 AMAQI
6th Jul 2025504 AMAQI
28°C24/33°C
6th Jul 2025505 AMAQI
6th Jul 2025516 AMAQI
6th Jul 2025517 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025529 AMAQI
6th Jul 20255210 AMAQI
6th Jul 20255011 AMAQI
6th Jul 20255312 PMAQI
6th Jul 2025591 PMAQI
6th Jul 2025622 PMAQI
6th Jul 2025593 PMAQI
6th Jul 2025594 PMAQI
6th Jul 2025565 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025537 PMAQI
6th Jul 2025488 PMAQI
6th Jul 2025509 PMAQI
6th Jul 20254810 PMAQI
6th Jul 20254911 PMAQI
7th Jul 20255112 AMAQI
7th Jul 2025501 AMAQI
7th Jul 2025502 AMAQI
7th Jul 2025503 AMAQI
7th Jul 2025524 AMAQI
28°C25/34°C
7th Jul 2025525 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025669 AMAQI
7th Jul 20257210 AMAQI
7th Jul 20257311 AMAQI
7th Jul 20257612 PMAQI
7th Jul 2025771 PMAQI
7th Jul 2025832 PMAQI
7th Jul 2025873 PMAQI
7th Jul 2025924 PMAQI
7th Jul 2025925 PMAQI
7th Jul 2025946 PMAQI
7th Jul 2025967 PMAQI
7th Jul 2025888 PMAQI
7th Jul 2025709 PMAQI
7th Jul 20256810 PMAQI
7th Jul 20256811 PMAQI
8th Jul 20256612 AMAQI
8th Jul 2025651 AMAQI
8th Jul 2025582 AMAQI
8th Jul 2025523 AMAQI
8th Jul 2025544 AMAQI
29°C25/34°C
8th Jul 2025565 AMAQI
8th Jul 2025566 AMAQI
8th Jul 2025567 AMAQI
8th Jul 2025568 AMAQI
8th Jul 2025779 AMAQI
8th Jul 20258210 AMAQI
8th Jul 20257811 AMAQI
8th Jul 20257712 PMAQI
8th Jul 2025751 PMAQI
8th Jul 2025742 PMAQI
8th Jul 2025733 PMAQI
8th Jul 2025744 PMAQI
8th Jul 2025745 PMAQI
8th Jul 2025756 PMAQI
8th Jul 2025747 PMAQI
8th Jul 2025718 PMAQI
8th Jul 2025629 PMAQI
8th Jul 20255310 PMAQI
8th Jul 20255011 PMAQI
9th Jul 20255312 AMAQI
9th Jul 2025531 AMAQI
9th Jul 2025582 AMAQI
9th Jul 2025583 AMAQI
9th Jul 2025594 AMAQI
31°C26/39°C
9th Jul 2025625 AMAQI
9th Jul 2025616 AMAQI
9th Jul 2025617 AMAQI
9th Jul 2025618 AMAQI
9th Jul 2025589 AMAQI
9th Jul 20256010 AMAQI
9th Jul 20256111 AMAQI
9th Jul 20256012 PMAQI
9th Jul 2025571 PMAQI
9th Jul 2025552 PMAQI
9th Jul 2025543 PMAQI
9th Jul 2025524 PMAQI
9th Jul 2025485 PMAQI
9th Jul 2025526 PMAQI
9th Jul 2025527 PMAQI
9th Jul 2025568 PMAQI
9th Jul 2025559 PMAQI
9th Jul 20255410 PMAQI
9th Jul 20255411 PMAQI
10th Jul 20255612 AMAQI
10th Jul 2025561 AMAQI
10th Jul 2025562 AMAQI
10th Jul 2025583 AMAQI
10th Jul 2025584 AMAQI
31°C26/37°C
10th Jul 2025585 AMAQI
10th Jul 2025586 AMAQI
10th Jul 2025587 AMAQI
10th Jul 2025588 AMAQI
10th Jul 2025489 AMAQI
10th Jul 20254810 AMAQI
10th Jul 20254111 AMAQI
10th Jul 20253212 PMAQI
10th Jul 2025321 PMAQI
10th Jul 2025312 PMAQI
10th Jul 2025323 PMAQI
10th Jul 2025304 PMAQI
10th Jul 2025305 PMAQI
10th Jul 2025326 PMAQI
10th Jul 2025287 PMAQI
10th Jul 2025428 PMAQI
10th Jul 2025539 PMAQI
10th Jul 20255410 PMAQI
10th Jul 20255411 PMAQI
11th Jul 20255412 AMAQI
11th Jul 2025561 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
11th Jul 2025584 AMAQI
31°C25/37°C
11th Jul 2025565 AMAQI
11th Jul 2025586 AMAQI
11th Jul 2025557 AMAQI
11th Jul 2025558 AMAQI
11th Jul 2025319 AMAQI
11th Jul 20252810 AMAQI
11th Jul 20254011 AMAQI
11th Jul 20253412 PMAQI
11th Jul 2025351 PMAQI
11th Jul 2025362 PMAQI
11th Jul 2025363 PMAQI
11th Jul 2025364 PMAQI
11th Jul 2025385 PMAQI
11th Jul 2025406 PMAQI
11th Jul 2025417 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025529 PMAQI
11th Jul 20255010 PMAQI
11th Jul 20254811 PMAQI
12th Jul 20255012 AMAQI
12th Jul 2025531 AMAQI
12th Jul 2025562 AMAQI
12th Jul 2025563 AMAQI
12th Jul 2025564 AMAQI
29°C22/36°C
12th Jul 2025545 AMAQI
12th Jul 2025546 AMAQI
12th Jul 2025547 AMAQI
12th Jul 2025548 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20253210 AMAQI
12th Jul 20252511 AMAQI
12th Jul 20252412 PMAQI
12th Jul 2025291 PMAQI
12th Jul 2025262 PMAQI
12th Jul 2025273 PMAQI
12th Jul 2025304 PMAQI
12th Jul 2025405 PMAQI
12th Jul 2025346 PMAQI
12th Jul 2025497 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025509 PMAQI
12th Jul 20255310 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025551 AMAQI
13th Jul 2025542 AMAQI
13th Jul 2025543 AMAQI
13th Jul 2025534 AMAQI
30°C23/37°C
13th Jul 2025525 AMAQI
13th Jul 2025526 AMAQI
13th Jul 2025527 AMAQI
13th Jul 2025528 AMAQI
13th Jul 2025589 AMAQI
13th Jul 20256610 AMAQI
13th Jul 20256811 AMAQI
13th Jul 20256612 PMAQI
13th Jul 2025691 PMAQI
13th Jul 2025702 PMAQI
13th Jul 2025723 PMAQI
13th Jul 2025654 PMAQI
13th Jul 2025665 PMAQI
13th Jul 2025646 PMAQI
13th Jul 2025647 PMAQI
13th Jul 2025648 PMAQI
13th Jul 2025599 PMAQI
13th Jul 20256010 PMAQI
13th Jul 20256011 PMAQI
14th Jul 20255812 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025543 AMAQI
14th Jul 2025544 AMAQI
28°C25/31°C
14th Jul 2025565 AMAQI
14th Jul 2025566 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025719 AMAQI
14th Jul 20257510 AMAQI
14th Jul 20256411 AMAQI
14th Jul 20256312 PMAQI
14th Jul 2025581 PMAQI
14th Jul 2025382 PMAQI
14th Jul 2025303 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025405 PMAQI
14th Jul 2025386 PMAQI
14th Jul 2025397 PMAQI
14th Jul 2025388 PMAQI
14th Jul 2025499 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254211 PMAQI
15th Jul 20254312 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025553 AMAQI
15th Jul 2025564 AMAQI
23°C20/27°C
15th Jul 2025575 AMAQI
15th Jul 2025566 AMAQI
15th Jul 2025577 AMAQI
15th Jul 2025578 AMAQI
15th Jul 2025279 AMAQI
15th Jul 20251910 AMAQI
15th Jul 20251711 AMAQI
15th Jul 20251812 PMAQI
15th Jul 2025201 PMAQI
15th Jul 2025232 PMAQI
15th Jul 2025243 PMAQI
15th Jul 2025234 PMAQI
15th Jul 2025265 PMAQI
15th Jul 2025336 PMAQI
15th Jul 2025327 PMAQI
15th Jul 2025368 PMAQI
15th Jul 2025469 PMAQI
15th Jul 20254310 PMAQI
15th Jul 20254311 PMAQI
16th Jul 20254412 AMAQI
16th Jul 2025541 AMAQI
16th Jul 2025552 AMAQI
16th Jul 2025553 AMAQI
16th Jul 2025544 AMAQI
22°C21/25°C
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025559 AMAQI
16th Jul 20255810 AMAQI
16th Jul 20255611 AMAQI
16th Jul 20255612 PMAQI
16th Jul 2025461 PMAQI
16th Jul 2025382 PMAQI
16th Jul 2025393 PMAQI
16th Jul 2025424 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025436 PMAQI
16th Jul 2025287 PMAQI
16th Jul 2025318 PMAQI
16th Jul 2025399 PMAQI
16th Jul 20254010 PMAQI
16th Jul 20254111 PMAQI
17th Jul 20254612 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025524 AMAQI
22°C21/24°C
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20251610 AMAQI
17th Jul 20251611 AMAQI
17th Jul 20251412 PMAQI
17th Jul 2025201 PMAQI
17th Jul 2025212 PMAQI
17th Jul 2025203 PMAQI
17th Jul 2025204 PMAQI
17th Jul 2025235 PMAQI
17th Jul 2025226 PMAQI
17th Jul 2025207 PMAQI
17th Jul 2025278 PMAQI
17th Jul 2025379 PMAQI
17th Jul 20253710 PMAQI
17th Jul 20253711 PMAQI
18th Jul 20253612 AMAQI
18th Jul 2025471 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025504 AMAQI
23°C21/24°C
18th Jul 2025475 AMAQI
18th Jul 2025466 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025468 AMAQI
18th Jul 2025269 AMAQI
18th Jul 20252110 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20252612 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025302 PMAQI
18th Jul 2025323 PMAQI
18th Jul 2025354 PMAQI
18th Jul 2025325 PMAQI
18th Jul 2025376 PMAQI
18th Jul 2025337 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20253911 PMAQI
19th Jul 20254112 AMAQI
19th Jul 2025471 AMAQI
19th Jul 2025482 AMAQI
19th Jul 2025473 AMAQI
19th Jul 2025464 AMAQI
23°C22/26°C
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025437 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025219 AMAQI
19th Jul 20251310 AMAQI
19th Jul 20251311 AMAQI
19th Jul 20251512 PMAQI
19th Jul 2025181 PMAQI
19th Jul 2025192 PMAQI
19th Jul 2025183 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025205 PMAQI
19th Jul 2025186 PMAQI
19th Jul 2025177 PMAQI
19th Jul 2025248 PMAQI
19th Jul 2025339 PMAQI
19th Jul 20253510 PMAQI
19th Jul 20253311 PMAQI
20th Jul 20253112 AMAQI
20th Jul 2025411 AMAQI
20th Jul 2025462 AMAQI
20th Jul 2025463 AMAQI
20th Jul 2025444 AMAQI
24°C22/27°C
20th Jul 2025405 AMAQI
20th Jul 2025406 AMAQI
20th Jul 2025397 AMAQI
20th Jul 2025408 AMAQI
20th Jul 2025279 AMAQI
20th Jul 20251910 AMAQI
20th Jul 20252311 AMAQI
20th Jul 20253212 PMAQI
20th Jul 2025351 PMAQI
20th Jul 2025352 PMAQI
20th Jul 2025363 PMAQI
20th Jul 2025334 PMAQI
20th Jul 2025335 PMAQI
20th Jul 2025326 PMAQI
20th Jul 2025357 PMAQI
20th Jul 2025388 PMAQI
20th Jul 2025359 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253511 PMAQI
21st Jul 20254012 AMAQI
21st Jul 2025411 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025423 AMAQI
21st Jul 2025414 AMAQI
27°C24/32°C
21st Jul 2025395 AMAQI
21st Jul 2025396 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025398 AMAQI
21st Jul 2025499 AMAQI
21st Jul 20255210 AMAQI
21st Jul 20255311 AMAQI
21st Jul 20255312 PMAQI
21st Jul 2025481 PMAQI
21st Jul 2025382 PMAQI
21st Jul 2025353 PMAQI
21st Jul 2025354 PMAQI
21st Jul 2025385 PMAQI
21st Jul 2025346 PMAQI
21st Jul 2025327 PMAQI
21st Jul 2025308 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253410 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20252912 AMAQI
22nd Jul 2025401 AMAQI
22nd Jul 2025412 AMAQI
22nd Jul 2025403 AMAQI
22nd Jul 2025414 AMAQI
28°C25/32°C
22nd Jul 2025435 AMAQI
22nd Jul 2025426 AMAQI
22nd Jul 2025427 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025319 AMAQI
22nd Jul 20253110 AMAQI
22nd Jul 20253211 AMAQI
22nd Jul 20252912 PMAQI
22nd Jul 2025321 PMAQI
22nd Jul 2025362 PMAQI
22nd Jul 2025433 PMAQI
22nd Jul 2025384 PMAQI
22nd Jul 2025305 PMAQI
22nd Jul 2025346 PMAQI
22nd Jul 2025267 PMAQI
22nd Jul 2025288 PMAQI
22nd Jul 2025319 PMAQI
22nd Jul 20252710 PMAQI
22nd Jul 20252811 PMAQI
23rd Jul 20253212 AMAQI
23rd Jul 2025331 AMAQI
23rd Jul 2025342 AMAQI
23rd Jul 2025403 AMAQI
23rd Jul 2025394 AMAQI
28°C25/33°C
23rd Jul 2025395 AMAQI
23rd Jul 2025386 AMAQI
23rd Jul 2025397 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025449 AMAQI
23rd Jul 20254610 AMAQI
23rd Jul 20254511 AMAQI
23rd Jul 20253812 PMAQI
23rd Jul 2025361 PMAQI
23rd Jul 2025462 PMAQI
23rd Jul 2025493 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025555 PMAQI
23rd Jul 2025606 PMAQI
23rd Jul 2025557 PMAQI
23rd Jul 2025378 PMAQI
23rd Jul 2025289 PMAQI
23rd Jul 20252610 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20253012 AMAQI
24th Jul 2025371 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025393 AMAQI
24th Jul 2025394 AMAQI
29°C25/34°C
24th Jul 2025395 AMAQI
24th Jul 2025396 AMAQI
24th Jul 2025387 AMAQI
24th Jul 2025388 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20254410 AMAQI
24th Jul 20254811 AMAQI
24th Jul 20255012 PMAQI
24th Jul 2025481 PMAQI
24th Jul 2025482 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025574 PMAQI
24th Jul 2025625 PMAQI
24th Jul 2025646 PMAQI
24th Jul 2025647 PMAQI
24th Jul 2025628 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20255510 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20255412 AMAQI
25th Jul 2025531 AMAQI
25th Jul 2025392 AMAQI
25th Jul 2025383 AMAQI
25th Jul 2025394 AMAQI
30°C25/35°C
25th Jul 2025405 AMAQI
25th Jul 2025406 AMAQI
25th Jul 2025407 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025609 AMAQI
25th Jul 20257010 AMAQI
25th Jul 20257011 AMAQI
25th Jul 20257012 PMAQI
25th Jul 2025711 PMAQI
25th Jul 2025682 PMAQI
25th Jul 2025623 PMAQI
25th Jul 2025604 PMAQI
25th Jul 2025565 PMAQI
25th Jul 2025586 PMAQI
25th Jul 2025687 PMAQI
25th Jul 2025628 PMAQI
25th Jul 2025559 PMAQI
25th Jul 20255410 PMAQI
25th Jul 20255511 PMAQI
26th Jul 20255512 AMAQI
26th Jul 2025441 AMAQI
26th Jul 2025452 AMAQI
26th Jul 2025463 AMAQI
26th Jul 2025494 AMAQI
31°C26/38°C
26th Jul 2025525 AMAQI
26th Jul 2025536 AMAQI
26th Jul 2025527 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025579 AMAQI
26th Jul 20255110 AMAQI
26th Jul 20253411 AMAQI
26th Jul 20253512 PMAQI
26th Jul 2025491 PMAQI
26th Jul 2025402 PMAQI
26th Jul 2025533 PMAQI
26th Jul 2025414 PMAQI
26th Jul 2025405 PMAQI
26th Jul 2025416 PMAQI
26th Jul 2025397 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025409 PMAQI
26th Jul 20254110 PMAQI
26th Jul 20254311 PMAQI
27th Jul 20254912 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025523 AMAQI
27th Jul 2025514 AMAQI
32°C27/38°C
27th Jul 2025515 AMAQI
27th Jul 2025516 AMAQI
27th Jul 2025517 AMAQI
27th Jul 2025518 AMAQI
27th Jul 2025469 AMAQI
27th Jul 20253810 AMAQI
27th Jul 20252911 AMAQI
27th Jul 20252312 PMAQI
27th Jul 2025251 PMAQI
27th Jul 2025312 PMAQI
27th Jul 2025323 PMAQI
27th Jul 2025284 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025406 PMAQI
27th Jul 2025487 PMAQI
27th Jul 2025548 PMAQI
27th Jul 2025549 PMAQI
27th Jul 20255610 PMAQI
27th Jul 20255611 PMAQI
28th Jul 20255412 AMAQI
28th Jul 2025521 AMAQI
28th Jul 2025522 AMAQI
28th Jul 2025513 AMAQI
28th Jul 2025494 AMAQI
32°C27/38°C
28th Jul 2025475 AMAQI
28th Jul 2025476 AMAQI
28th Jul 2025477 AMAQI
28th Jul 2025478 AMAQI
28th Jul 2025729 AMAQI
28th Jul 20258210 AMAQI
28th Jul 20258311 AMAQI
28th Jul 20258012 PMAQI
28th Jul 2025691 PMAQI
28th Jul 2025662 PMAQI
28th Jul 2025693 PMAQI
28th Jul 2025754 PMAQI
28th Jul 2025725 PMAQI
28th Jul 2025736 PMAQI
28th Jul 2025807 PMAQI
28th Jul 2025748 PMAQI
28th Jul 2025659 PMAQI
28th Jul 20256310 PMAQI
28th Jul 20256011 PMAQI
29th Jul 20256012 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025522 AMAQI
29th Jul 2025513 AMAQI
29th Jul 2025544 AMAQI
32°C27/37°C
29th Jul 2025565 AMAQI
29th Jul 2025566 AMAQI
29th Jul 2025557 AMAQI
29th Jul 2025568 AMAQI
29th Jul 2025709 AMAQI
29th Jul 20257910 AMAQI
29th Jul 20257911 AMAQI
29th Jul 20258012 PMAQI
29th Jul 2025811 PMAQI
29th Jul 2025812 PMAQI
29th Jul 2025813 PMAQI
29th Jul 2025834 PMAQI
29th Jul 2025855 PMAQI
29th Jul 2025826 PMAQI
29th Jul 2025827 PMAQI
29th Jul 2025718 PMAQI
29th Jul 2025619 PMAQI
29th Jul 20256010 PMAQI
29th Jul 20256011 PMAQI
30th Jul 20256012 AMAQI
30th Jul 2025551 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025574 AMAQI
32°C27/38°C
30th Jul 2025605 AMAQI
30th Jul 2025606 AMAQI
30th Jul 2025597 AMAQI
30th Jul 2025598 AMAQI
30th Jul 2025709 AMAQI
30th Jul 20257810 AMAQI
30th Jul 20257011 AMAQI
30th Jul 20257412 PMAQI
30th Jul 2025741 PMAQI
30th Jul 2025742 PMAQI
30th Jul 2025683 PMAQI
30th Jul 2025654 PMAQI
30th Jul 2025575 PMAQI
30th Jul 2025446 PMAQI
30th Jul 2025407 PMAQI
30th Jul 2025438 PMAQI
30th Jul 2025529 PMAQI
30th Jul 20255210 PMAQI
30th Jul 20255411 PMAQI
31st Jul 20255512 AMAQI
31st Jul 2025581 AMAQI
31st Jul 2025572 AMAQI
31st Jul 2025583 AMAQI
31st Jul 2025574 AMAQI
32°C27/37°C
31st Jul 2025575 AMAQI
31st Jul 2025576 AMAQI
31st Jul 2025577 AMAQI
31st Jul 2025578 AMAQI
31st Jul 2025579 AMAQI
31st Jul 20255710 AMAQI
31st Jul 20255611 AMAQI
31st Jul 20255712 PMAQI
31st Jul 2025601 PMAQI
31st Jul 2025772 PMAQI
31st Jul 2025733 PMAQI
31st Jul 2025644 PMAQI
31st Jul 2025625 PMAQI
31st Jul 2025586 PMAQI
31st Jul 2025527 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255610 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20255712 AMAQI
1st Aug 2025551 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025564 AMAQI
31°C28/35°C
1st Aug 2025565 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025569 AMAQI
1st Aug 20256410 AMAQI
1st Aug 20255911 AMAQI
1st Aug 20255612 PMAQI
1st Aug 2025571 PMAQI
1st Aug 2025632 PMAQI
1st Aug 2025643 PMAQI
1st Aug 2025624 PMAQI
1st Aug 2025675 PMAQI
1st Aug 2025606 PMAQI
1st Aug 2025567 PMAQI
1st Aug 2025598 PMAQI
1st Aug 2025659 PMAQI
1st Aug 20256310 PMAQI
1st Aug 20256311 PMAQI
2nd Aug 20256012 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025564 AMAQI
31°C27/36°C
2nd Aug 2025555 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025789 AMAQI
2nd Aug 20258310 AMAQI
2nd Aug 20257211 AMAQI
2nd Aug 20257812 PMAQI
2nd Aug 2025781 PMAQI
2nd Aug 2025622 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025604 PMAQI
2nd Aug 2025635 PMAQI
2nd Aug 2025676 PMAQI
2nd Aug 2025617 PMAQI
2nd Aug 2025608 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20255811 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025584 AMAQI
31°C27/36°C
3rd Aug 2025595 AMAQI
3rd Aug 2025586 AMAQI
3rd Aug 2025597 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025669 AMAQI
3rd Aug 20256310 AMAQI
3rd Aug 20256211 AMAQI
3rd Aug 20256312 PMAQI
3rd Aug 2025661 PMAQI
3rd Aug 2025692 PMAQI
3rd Aug 2025673 PMAQI
3rd Aug 2025644 PMAQI
3rd Aug 2025665 PMAQI
3rd Aug 2025686 PMAQI
3rd Aug 2025647 PMAQI
3rd Aug 2025608 PMAQI
3rd Aug 2025609 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20255211 PMAQI
4th Aug 20255312 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025572 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI
28°C25/31°C
4th Aug 2025585 AMAQI
5 AM4th Aug 2025586 AMAQI
4th Aug 2025597 AMAQI
4th Aug 2025598 AMAQI
4th Aug 2025389 AMAQI
4th Aug 20253610 AMAQI
4th Aug 20253811 AMAQI
4th Aug 20253212 PMAQI
12 PM4th Aug 2025351 PMAQI
4th Aug 2025302 PMAQI
4th Aug 2025343 PMAQI
4th Aug 2025364 PMAQI
4th Aug 2025355 PMAQI
4th Aug 2025326 PMAQI
4th Aug 2025537 PMAQI
7 PM4th Aug 2025558 PMAQI
4th Aug 2025559 PMAQI
4th Aug 20255710 PMAQI
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 PM
50AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
5 AM - 7 PM
50AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 PM (Avg. 50), while the lowest AQI was between 5 AM to 7 PM (Avg. 50).
Night time
Avg. Highest Time
12 AM - 11 PM
50AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
50AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 50), while the lowest AQI was between 12 AM to 11 PM (Avg. 50).
2025 Days Vs Air Quality
Byeoryang Dong, Gwacheon, Gyeonggi, South Korea
2025
21%
46
72%
154
7%
15
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
46 DaysModerate
154 DaysPoor
15 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 21%
Health Risk Level:
Very high
In 2025, 21% of 216 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
Byeoryang Dong, Gwacheon, Gyeonggi, South Korea
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
75AQI
75AQI
2nd January 2025
55AQI
55AQI
3rd January 2025
59AQI
59AQI
4th January 2025
61AQI
61AQI
5th January 2025
70AQI
70AQI
6th January 2025
99AQI
99AQI
7th January 2025
57AQI
57AQI
8th January 2025
71AQI
71AQI
9th January 2025
43AQI
43AQI
10th January 2025
60AQI
60AQI
11th January 2025
60AQI
60AQI
12th January 2025
80AQI
80AQI
13th January 2025
93AQI
93AQI
14th January 2025
101AQI
101AQI
15th January 2025
60AQI
60AQI
16th January 2025
76AQI
76AQI
17th January 2025
84AQI
84AQI
18th January 2025
77AQI
77AQI
19th January 2025
82AQI
82AQI
20th January 2025
130AQI
130AQI
21st January 2025
139AQI
139AQI
22nd January 2025
149AQI
149AQI
23rd January 2025
116AQI
116AQI
24th January 2025
104AQI
104AQI
25th January 2025
65AQI
65AQI
26th January 2025
54AQI
54AQI
27th January 2025
65AQI
65AQI
28th January 2025
59AQI
59AQI
29th January 2025
60AQI
60AQI
30th January 2025
54AQI
54AQI
31st January 2025
74AQI
74AQI
1st February 2025
81AQI
81AQI
2nd February 2025
79AQI
79AQI
3rd February 2025
53AQI
53AQI
4th February 2025
56AQI
56AQI
5th February 2025
47AQI
47AQI
6th February 2025
57AQI
57AQI
7th February 2025
48AQI
48AQI
8th February 2025
51AQI
51AQI
9th February 2025
51AQI
51AQI
10th February 2025
58AQI
58AQI
11th February 2025
75AQI
75AQI
12th February 2025
78AQI
78AQI
13th February 2025
52AQI
52AQI
14th February 2025
94AQI
94AQI
15th February 2025
58AQI
58AQI
16th February 2025
110AQI
110AQI
17th February 2025
52AQI
52AQI
18th February 2025
63AQI
63AQI
19th February 2025
49AQI
49AQI
20th February 2025
57AQI
57AQI
21st February 2025
55AQI
55AQI
22nd February 2025
60AQI
60AQI
23rd February 2025
53AQI
53AQI
24th February 2025
59AQI
59AQI
25th February 2025
54AQI
54AQI
26th February 2025
73AQI
73AQI
27th February 2025
55AQI
55AQI
28th February 2025
75AQI
75AQI
1st March 2025
100AQI
100AQI
2nd March 2025
76AQI
76AQI
3rd March 2025
57AQI
57AQI
4th March 2025
45AQI
45AQI
5th March 2025
36AQI
36AQI
6th March 2025
71AQI
71AQI
7th March 2025
90AQI
90AQI
8th March 2025
83AQI
83AQI
9th March 2025
102AQI
102AQI
10th March 2025
116AQI
116AQI
11th March 2025
108AQI
108AQI
12th March 2025
97AQI
97AQI
13th March 2025
90AQI
90AQI
14th March 2025
75AQI
75AQI
15th March 2025
55AQI
55AQI
16th March 2025
73AQI
73AQI
17th March 2025
66AQI
66AQI
18th March 2025
68AQI
68AQI
19th March 2025
76AQI
76AQI
20th March 2025
90AQI
90AQI
21st March 2025
104AQI
104AQI
22nd March 2025
109AQI
109AQI
23rd March 2025
116AQI
116AQI
24th March 2025
124AQI
124AQI
25th March 2025
130AQI
130AQI
26th March 2025
92AQI
92AQI
27th March 2025
91AQI
91AQI
28th March 2025
60AQI
60AQI
29th March 2025
51AQI
51AQI
30th March 2025
46AQI
46AQI
31st March 2025
58AQI
58AQI
1st April 2025
78AQI
78AQI
2nd April 2025
82AQI
82AQI
3rd April 2025
81AQI
81AQI
4th April 2025
82AQI
82AQI
5th April 2025
63AQI
63AQI
6th April 2025
65AQI
65AQI
7th April 2025
70AQI
70AQI
8th April 2025
74AQI
74AQI
9th April 2025
70AQI
70AQI
10th April 2025
73AQI
73AQI
11th April 2025
85AQI
85AQI
12th April 2025
62AQI
62AQI
13th April 2025
62AQI
62AQI
14th April 2025
46AQI
46AQI
15th April 2025
56AQI
56AQI
16th April 2025
58AQI
58AQI
17th April 2025
68AQI
68AQI
18th April 2025
79AQI
79AQI
19th April 2025
47AQI
47AQI
20th April 2025
57AQI
57AQI
21st April 2025
52AQI
52AQI
22nd April 2025
44AQI
44AQI
23rd April 2025
36AQI
36AQI
24th April 2025
63AQI
63AQI
25th April 2025
63AQI
63AQI
26th April 2025
54AQI
54AQI
27th April 2025
43AQI
43AQI
28th April 2025
58AQI
58AQI
29th April 2025
67AQI
67AQI
30th April 2025
56AQI
56AQI
1st May 2025
59AQI
59AQI
2nd May 2025
50AQI
50AQI
3rd May 2025
49AQI
49AQI
4th May 2025
47AQI
47AQI
5th May 2025
49AQI
49AQI
6th May 2025
39AQI
39AQI
7th May 2025
52AQI
52AQI
8th May 2025
60AQI
60AQI
9th May 2025
51AQI
51AQI
10th May 2025
56AQI
56AQI
11th May 2025
70AQI
70AQI
12th May 2025
69AQI
69AQI
13th May 2025
72AQI
72AQI
14th May 2025
72AQI
72AQI
15th May 2025
69AQI
69AQI
16th May 2025
53AQI
53AQI
17th May 2025
46AQI
46AQI
18th May 2025
56AQI
56AQI
19th May 2025
62AQI
62AQI
20th May 2025
45AQI
45AQI
21st May 2025
46AQI
46AQI
22nd May 2025
49AQI
49AQI
23rd May 2025
63AQI
63AQI
24th May 2025
47AQI
47AQI
25th May 2025
51AQI
51AQI
26th May 2025
63AQI
63AQI
27th May 2025
72AQI
72AQI
28th May 2025
76AQI
76AQI
29th May 2025
76AQI
76AQI
30th May 2025
75AQI
75AQI
31st May 2025
82AQI
82AQI
1st June 2025
81AQI
81AQI
2nd June 2025
91AQI
91AQI
3rd June 2025
71AQI
71AQI
4th June 2025
54AQI
54AQI
5th June 2025
57AQI
57AQI
6th June 2025
57AQI
57AQI
7th June 2025
68AQI
68AQI
8th June 2025
54AQI
54AQI
9th June 2025
65AQI
65AQI
10th June 2025
48AQI
48AQI
11th June 2025
51AQI
51AQI
12th June 2025
61AQI
61AQI
13th June 2025
71AQI
71AQI
14th June 2025
57AQI
57AQI
15th June 2025
53AQI
53AQI
16th June 2025
63AQI
63AQI
17th June 2025
63AQI
63AQI
18th June 2025
67AQI
67AQI
19th June 2025
62AQI
62AQI
20th June 2025
42AQI
42AQI
21st June 2025
52AQI
52AQI
22nd June 2025
57AQI
57AQI
23rd June 2025
66AQI
66AQI
24th June 2025
54AQI
54AQI
25th June 2025
49AQI
49AQI
26th June 2025
51AQI
51AQI
27th June 2025
59AQI
59AQI
28th June 2025
63AQI
63AQI
29th June 2025
49AQI
49AQI
30th June 2025
46AQI
46AQI
1st July 2025
42AQI
42AQI
2nd July 2025
43AQI
43AQI
3rd July 2025
52AQI
52AQI
4th July 2025
50AQI
50AQI
5th July 2025
50AQI
50AQI
6th July 2025
52AQI
52AQI
7th July 2025
69AQI
69AQI
8th July 2025
65AQI
65AQI
9th July 2025
56AQI
56AQI
10th July 2025
47AQI
47AQI
11th July 2025
47AQI
47AQI
12th July 2025
45AQI
45AQI
13th July 2025
60AQI
60AQI
14th July 2025
51AQI
51AQI
15th July 2025
40AQI
40AQI
16th July 2025
47AQI
47AQI
17th July 2025
35AQI
35AQI
18th July 2025
38AQI
38AQI
19th July 2025
31AQI
31AQI
20th July 2025
36AQI
36AQI
21st July 2025
39AQI
39AQI
22nd July 2025
35AQI
35AQI
23rd July 2025
41AQI
41AQI
24th July 2025
48AQI
48AQI
25th July 2025
54AQI
54AQI
26th July 2025
45AQI
45AQI
27th July 2025
45AQI
45AQI
28th July 2025
63AQI
63AQI
29th July 2025
67AQI
67AQI
30th July 2025
58AQI
58AQI
31st July 2025
58AQI
58AQI
1st August 2025
59AQI
59AQI
2nd August 2025
62AQI
62AQI
3rd August 2025
60AQI
60AQI
78AQI
63AQI
82AQI
63AQI
59AQI
59AQI
49AQI
60AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202565AQI
1
24
6
3
24
1
3
20
8
5
25
10
21
5
25
19
12
3
46
154
15
Highest AQI recorded in
March82AQI
Lowest AQI recorded in
July49AQI
202459AQI
9
16
6
9
14
5
1
6
22
1
2
3
26
1
12
19
9
21
24
7
12
19
23
7
16
15
11
19
7
24
141
209
13
3
Highest AQI recorded in
January75AQI
Lowest AQI recorded in
September41AQI
202364AQI
4
18
8
1
1
20
4
3
5
15
11
4
21
5
8
23
6
24
17
13
1
18
13
20
10
13
18
13
15
1
11
15
5
120
205
35
4
Highest AQI recorded in
February94AQI
Lowest AQI recorded in
September45AQI
202264AQI
3
21
5
2
2
10
2
2
2
8
3
9
20
2
16
14
8
16
1
1
19
8
2
16
12
3
6
19
4
1
7
22
2
89
151
23
5
Highest AQI recorded in
January82AQI
Lowest AQI recorded in
August44AQI
202166AQI
10
17
3
5
15
5
3
3
16
10
1
1
7
22
1
12
16
1
1
1
3
26
1
11
20
18
13
25
5
16
15
9
18
1
2
8
16
7
127
199
29
6
2
1
Highest AQI recorded in
March98AQI
Lowest AQI recorded in
September37AQI
202061AQI
3
9
1
3
15
3
5
13
5
24
1
19
12
17
14
21
7
12
17
2
10
12
8
11
9
8
1
106
132
23
1
Highest AQI recorded in
December76AQI
Lowest AQI recorded in
September43AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
66AQILeast Polluted Year Recorded
2024(Avg.)
59AQIByeoryang Dong's annual 2025 AQI (65) shows an average percentage change of 3.4% (worsened AQI) compared to previous years: 2020 (61), 2021 (66), 2022 (64), 2023 (64), 2024 (59).
