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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Seondan Dong, Pocheon, 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

Seondan Dong, Pocheon, Gyeonggi, South Korea

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Aug 2024
82AQI
Lowest AQI recorded on
9th Aug 2023
11AQI

Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 28 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 17th Aug - 18th Aug 2026

Seondan Dong, Pocheon, Gyeonggi, South Korea

AQI
Day
Night
.

5 AM17th Aug 2026

7 PM

4 AM18th Aug 2026

Day time
Avg. Highest Time
6AM17th Aug

34AQI

Avg. Lowest Time
12PM17th Aug

21AQI

Night time
Avg. Highest Time
1AM18th Aug

33AQI

Avg. Lowest Time
4AM18th Aug

25AQI

In the last 24 hours,

Seondan Dong's AQI reached its highest point of 34 at 6 AM during the Day, while the lowest point, 21, was recorded at 12 PM during the Day between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Seondan Dong, Pocheon, Gyeonggi, South Korea

JulAug
20th - 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 - 18th18th
Day
Night
20th Jul 2026515 AMAQI
20th Jul 2026466 AMAQI
20th Jul 2026467 AMAQI
20th Jul 2026488 AMAQI
20th Jul 2026489 AMAQI
20th Jul 20264210 AMAQI
20th Jul 20263811 AMAQI
20th Jul 20263312 PMAQI
20th Jul 2026291 PMAQI
20th Jul 2026272 PMAQI
20th Jul 2026233 PMAQI
20th Jul 2026214 PMAQI
20th Jul 2026275 PMAQI
20th Jul 2026316 PMAQI
20th Jul 2026337 PMAQI
20th Jul 2026298 PMAQI
20th Jul 2026259 PMAQI
20th Jul 20262510 PMAQI
20th Jul 20262111 PMAQI
21st Jul 20262512 AMAQI
21st Jul 2026211 AMAQI
21st Jul 2026212 AMAQI
21st Jul 2026253 AMAQI
21st Jul 2026294 AMAQI

23°C22/24°C

21st Jul 2026255 AMAQI
21st Jul 2026256 AMAQI
21st Jul 2026257 AMAQI
21st Jul 2026258 AMAQI
21st Jul 2026239 AMAQI
21st Jul 20262310 AMAQI
21st Jul 20262511 AMAQI
21st Jul 2026251 PMAQI
21st Jul 2026212 PMAQI
21st Jul 2026273 PMAQI
21st Jul 2026294 PMAQI
21st Jul 2026275 PMAQI
21st Jul 2026256 PMAQI
21st Jul 2026807 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20262510 PMAQI
21st Jul 20263111 PMAQI
22nd Jul 20263112 AMAQI
22nd Jul 2026291 AMAQI
22nd Jul 2026362 AMAQI
22nd Jul 2026423 AMAQI
22nd Jul 2026404 AMAQI

24°C22/26°C

22nd Jul 2026295 AMAQI
22nd Jul 2026256 AMAQI
22nd Jul 2026277 AMAQI
22nd Jul 2026278 AMAQI
22nd Jul 2026349 AMAQI
22nd Jul 20264410 AMAQI
22nd Jul 20264011 AMAQI
22nd Jul 20263812 PMAQI
22nd Jul 2026341 PMAQI
22nd Jul 2026402 PMAQI
22nd Jul 2026313 PMAQI
22nd Jul 2026314 PMAQI
22nd Jul 2026425 PMAQI
22nd Jul 2026366 PMAQI
22nd Jul 2026387 PMAQI
22nd Jul 2026408 PMAQI
22nd Jul 2026429 PMAQI
22nd Jul 20263810 PMAQI
22nd Jul 20262911 PMAQI
23rd Jul 20262312 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026312 AMAQI
23rd Jul 2026363 AMAQI
23rd Jul 2026384 AMAQI

25°C23/28°C

23rd Jul 2026445 AMAQI
23rd Jul 2026426 AMAQI
23rd Jul 2026447 AMAQI
23rd Jul 2026508 AMAQI
23rd Jul 2026499 AMAQI
23rd Jul 20264410 AMAQI
23rd Jul 20264011 AMAQI
23rd Jul 20264012 PMAQI
23rd Jul 2026481 PMAQI
23rd Jul 2026502 PMAQI
23rd Jul 2026543 PMAQI
23rd Jul 2026544 PMAQI
23rd Jul 2026525 PMAQI
23rd Jul 2026486 PMAQI
23rd Jul 2026487 PMAQI
23rd Jul 2026468 PMAQI
23rd Jul 2026489 PMAQI
23rd Jul 20264610 PMAQI
23rd Jul 20264811 PMAQI
24th Jul 20265212 AMAQI
24th Jul 2026521 AMAQI
24th Jul 2026512 AMAQI
24th Jul 2026533 AMAQI
24th Jul 2026484 AMAQI

24°C23/26°C

24th Jul 2026525 AMAQI
24th Jul 2026516 AMAQI
24th Jul 2026487 AMAQI
24th Jul 2026488 AMAQI
24th Jul 2026469 AMAQI
24th Jul 20265210 AMAQI
24th Jul 20265711 AMAQI
24th Jul 20266212 PMAQI
24th Jul 2026541 PMAQI
24th Jul 2026542 PMAQI
24th Jul 2026533 PMAQI
24th Jul 2026494 PMAQI
24th Jul 2026515 PMAQI
24th Jul 2026536 PMAQI
24th Jul 2026467 PMAQI
24th Jul 2026468 PMAQI
24th Jul 2026469 PMAQI
24th Jul 20264410 PMAQI
24th Jul 20264011 PMAQI
25th Jul 20264412 AMAQI
25th Jul 2026401 AMAQI
25th Jul 2026312 AMAQI
25th Jul 2026363 AMAQI
25th Jul 2026384 AMAQI

27°C23/31°C

25th Jul 2026445 AMAQI
25th Jul 2026426 AMAQI
25th Jul 2026317 AMAQI
25th Jul 2026338 AMAQI
25th Jul 2026409 AMAQI
25th Jul 20264410 AMAQI
25th Jul 20264411 AMAQI
25th Jul 20264212 PMAQI
25th Jul 2026401 PMAQI
25th Jul 2026362 PMAQI
25th Jul 2026363 PMAQI
25th Jul 2026504 PMAQI
25th Jul 2026385 PMAQI
25th Jul 2026316 PMAQI
25th Jul 2026337 PMAQI
25th Jul 2026388 PMAQI
25th Jul 2026369 PMAQI
25th Jul 20263310 PMAQI
25th Jul 20263611 PMAQI
26th Jul 20263212 AMAQI
26th Jul 2026291 AMAQI
26th Jul 2026252 AMAQI
26th Jul 2026233 AMAQI
26th Jul 2026274 AMAQI

27°C24/31°C

26th Jul 2026255 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026317 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026239 AMAQI
26th Jul 20262310 AMAQI
26th Jul 20262311 AMAQI
26th Jul 20262312 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026233 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026235 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026237 PMAQI
26th Jul 2026298 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026233 AMAQI
27th Jul 2026234 AMAQI

26°C23/30°C

27th Jul 2026255 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20263611 AMAQI
27th Jul 20263212 PMAQI
27th Jul 2026331 PMAQI
27th Jul 2026332 PMAQI
27th Jul 2026333 PMAQI
27th Jul 2026384 PMAQI
27th Jul 2026315 PMAQI
27th Jul 2026406 PMAQI
27th Jul 2026427 PMAQI
27th Jul 2026388 PMAQI
27th Jul 2026329 PMAQI
27th Jul 20264010 PMAQI
27th Jul 20263811 PMAQI
28th Jul 20262112 AMAQI
28th Jul 2026271 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026233 AMAQI
28th Jul 2026214 AMAQI

27°C24/32°C

28th Jul 2026215 AMAQI
28th Jul 2026226 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026369 AMAQI
28th Jul 20263310 AMAQI
28th Jul 20263811 AMAQI
28th Jul 20264012 PMAQI
28th Jul 2026481 PMAQI
28th Jul 2026482 PMAQI
28th Jul 2026533 PMAQI
28th Jul 2026544 PMAQI
28th Jul 2026445 PMAQI
28th Jul 2026486 PMAQI
28th Jul 2026507 PMAQI
28th Jul 2026518 PMAQI
28th Jul 2026579 PMAQI
28th Jul 20265510 PMAQI
28th Jul 20265511 PMAQI
29th Jul 20265312 AMAQI
29th Jul 2026531 AMAQI
29th Jul 2026512 AMAQI
29th Jul 2026483 AMAQI
29th Jul 2026464 AMAQI

27°C24/32°C

29th Jul 2026465 AMAQI
29th Jul 2026446 AMAQI
29th Jul 2026387 AMAQI
29th Jul 2026408 AMAQI
29th Jul 2026319 AMAQI
29th Jul 20262710 AMAQI
29th Jul 20262911 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026331 PMAQI
29th Jul 2026332 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026274 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262111 PMAQI
30th Jul 20262312 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026312 AMAQI
30th Jul 2026213 AMAQI
30th Jul 2026334 AMAQI

27°C24/32°C

30th Jul 2026235 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026277 AMAQI
30th Jul 2026218 AMAQI
30th Jul 2026219 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262112 PMAQI
30th Jul 2026211 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026273 PMAQI
30th Jul 2026274 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026278 PMAQI
30th Jul 2026279 PMAQI
30th Jul 20262110 PMAQI
30th Jul 20262111 PMAQI
31st Jul 20262312 AMAQI
31st Jul 2026271 AMAQI
31st Jul 2026232 AMAQI
31st Jul 2026303 AMAQI
31st Jul 2026234 AMAQI

27°C23/32°C

31st Jul 2026215 AMAQI
31st Jul 2026216 AMAQI
31st Jul 2026217 AMAQI
31st Jul 2026308 AMAQI
31st Jul 2026259 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20262511 AMAQI
31st Jul 20263812 PMAQI
31st Jul 2026301 PMAQI
31st Jul 2026342 PMAQI
31st Jul 2026213 PMAQI
31st Jul 2026494 PMAQI
31st Jul 2026465 PMAQI
31st Jul 2026526 PMAQI
31st Jul 2026507 PMAQI
31st Jul 2026548 PMAQI
31st Jul 2026549 PMAQI
31st Jul 20265510 PMAQI
31st Jul 20265611 PMAQI
1st Aug 20266012 AMAQI
1st Aug 2026661 AMAQI
1st Aug 2026692 AMAQI
1st Aug 2026673 AMAQI
1st Aug 2026734 AMAQI

27°C23/32°C

1st Aug 2026705 AMAQI
1st Aug 2026806 AMAQI
1st Aug 2026637 AMAQI
1st Aug 2026658 AMAQI
1st Aug 2026579 AMAQI
1st Aug 20266610 AMAQI
1st Aug 20266711 AMAQI
1st Aug 20266612 PMAQI
1st Aug 2026711 PMAQI
1st Aug 2026582 PMAQI
1st Aug 2026533 PMAQI
1st Aug 2026524 PMAQI
1st Aug 2026525 PMAQI
1st Aug 2026446 PMAQI
1st Aug 2026367 PMAQI
1st Aug 2026388 PMAQI
1st Aug 2026389 PMAQI
1st Aug 20264210 PMAQI
1st Aug 20265011 PMAQI
2nd Aug 20264912 AMAQI
2nd Aug 2026511 AMAQI
2nd Aug 2026542 AMAQI
2nd Aug 2026593 AMAQI
2nd Aug 2026744 AMAQI

28°C25/33°C

2nd Aug 2026735 AMAQI
2nd Aug 2026626 AMAQI
2nd Aug 2026747 AMAQI
2nd Aug 2026638 AMAQI
2nd Aug 2026789 AMAQI
2nd Aug 20267110 AMAQI
2nd Aug 20265811 AMAQI
2nd Aug 20264812 PMAQI
2nd Aug 2026381 PMAQI
2nd Aug 2026292 PMAQI
2nd Aug 2026273 PMAQI
2nd Aug 2026314 PMAQI
2nd Aug 2026255 PMAQI
2nd Aug 2026216 PMAQI
2nd Aug 2026197 PMAQI
2nd Aug 2026238 PMAQI
2nd Aug 2026279 PMAQI
2nd Aug 20263110 PMAQI
2nd Aug 20263111 PMAQI
3rd Aug 20262912 AMAQI
3rd Aug 2026291 AMAQI
3rd Aug 2026312 AMAQI
3rd Aug 2026343 AMAQI
3rd Aug 2026584 AMAQI

29°C24/34°C

3rd Aug 2026555 AMAQI
3rd Aug 2026406 AMAQI
3rd Aug 2026387 AMAQI
3rd Aug 2026528 AMAQI
3rd Aug 2026519 AMAQI
3rd Aug 20264610 AMAQI
3rd Aug 20265011 AMAQI
3rd Aug 20264412 PMAQI
3rd Aug 2026401 PMAQI
3rd Aug 2026402 PMAQI
3rd Aug 2026343 PMAQI
3rd Aug 2026254 PMAQI
3rd Aug 2026275 PMAQI
3rd Aug 2026316 PMAQI
3rd Aug 2026407 PMAQI
3rd Aug 2026368 PMAQI
3rd Aug 2026369 PMAQI
3rd Aug 20263110 PMAQI
3rd Aug 20263611 PMAQI
4th Aug 20263812 AMAQI
4th Aug 2026381 AMAQI
4th Aug 2026402 AMAQI
4th Aug 2026383 AMAQI
4th Aug 2026424 AMAQI

30°C25/36°C

4th Aug 2026515 AMAQI
4th Aug 2026496 AMAQI
4th Aug 2026487 AMAQI
4th Aug 2026468 AMAQI
4th Aug 2026469 AMAQI
4th Aug 20264410 AMAQI
4th Aug 20264611 AMAQI
4th Aug 20265312 PMAQI
4th Aug 2026541 PMAQI
4th Aug 2026462 PMAQI
4th Aug 2026523 PMAQI
4th Aug 2026464 PMAQI
4th Aug 2026515 PMAQI
4th Aug 2026546 PMAQI
4th Aug 2026507 PMAQI
4th Aug 2026488 PMAQI
4th Aug 2026489 PMAQI
4th Aug 20265110 PMAQI
4th Aug 20264911 PMAQI
5th Aug 20264812 AMAQI
5th Aug 2026501 AMAQI
5th Aug 2026472 AMAQI
5th Aug 2026483 AMAQI
5th Aug 2026504 AMAQI

30°C25/35°C

5th Aug 2026385 AMAQI
5th Aug 2026426 AMAQI
5th Aug 2026387 AMAQI
5th Aug 2026338 AMAQI
5th Aug 2026369 AMAQI
5th Aug 20264010 AMAQI
5th Aug 20263611 AMAQI
5th Aug 20263812 PMAQI
5th Aug 2026421 PMAQI
5th Aug 2026332 PMAQI
5th Aug 2026383 PMAQI
5th Aug 2026444 PMAQI
5th Aug 2026385 PMAQI
5th Aug 2026366 PMAQI
5th Aug 2026447 PMAQI
5th Aug 2026488 PMAQI
5th Aug 2026529 PMAQI
5th Aug 20265510 PMAQI
5th Aug 20265211 PMAQI
6th Aug 20265412 AMAQI
6th Aug 2026531 AMAQI
6th Aug 2026482 AMAQI
6th Aug 2026513 AMAQI
6th Aug 2026514 AMAQI

30°C25/36°C

6th Aug 2026505 AMAQI
6th Aug 2026386 AMAQI
6th Aug 2026407 AMAQI
6th Aug 2026388 AMAQI
6th Aug 2026389 AMAQI
6th Aug 20264010 AMAQI
6th Aug 20263611 AMAQI
6th Aug 20263112 PMAQI
6th Aug 2026311 PMAQI
6th Aug 2026332 PMAQI
6th Aug 2026313 PMAQI
6th Aug 2026294 PMAQI
6th Aug 2026275 PMAQI
6th Aug 2026256 PMAQI
6th Aug 2026297 PMAQI
6th Aug 2026348 PMAQI
6th Aug 2026409 PMAQI
6th Aug 20264210 PMAQI
6th Aug 20264611 PMAQI
7th Aug 20264612 AMAQI
7th Aug 2026441 AMAQI
7th Aug 2026442 AMAQI
7th Aug 2026383 AMAQI
7th Aug 2026334 AMAQI

31°C26/36°C

7th Aug 2026365 AMAQI
7th Aug 2026336 AMAQI
7th Aug 2026297 AMAQI
7th Aug 2026338 AMAQI
7th Aug 2026319 AMAQI
7th Aug 20263610 AMAQI
7th Aug 20263311 AMAQI
7th Aug 20263312 PMAQI
7th Aug 2026591 PMAQI
7th Aug 2026422 PMAQI
7th Aug 2026383 PMAQI
7th Aug 2026384 PMAQI
7th Aug 2026485 PMAQI
7th Aug 2026466 PMAQI
7th Aug 2026527 PMAQI
7th Aug 2026518 PMAQI
7th Aug 2026549 PMAQI
7th Aug 20265010 PMAQI
7th Aug 20264811 PMAQI
8th Aug 20264012 AMAQI
8th Aug 2026361 AMAQI
8th Aug 2026382 AMAQI
8th Aug 2026383 AMAQI
8th Aug 2026334 AMAQI

31°C25/36°C

8th Aug 2026335 AMAQI
8th Aug 2026296 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026239 AMAQI
8th Aug 20262110 AMAQI
8th Aug 20262111 AMAQI
8th Aug 20262312 PMAQI
8th Aug 2026271 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026253 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026235 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026297 PMAQI
8th Aug 2026258 PMAQI
8th Aug 2026279 PMAQI
8th Aug 20262710 PMAQI
8th Aug 20263311 PMAQI
9th Aug 20262912 AMAQI
9th Aug 2026211 AMAQI
9th Aug 2026272 AMAQI
9th Aug 2026213 AMAQI
9th Aug 2026254 AMAQI

27°C22/33°C

9th Aug 2026255 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026298 AMAQI
9th Aug 2026279 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262512 PMAQI
9th Aug 2026291 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026213 PMAQI
9th Aug 2026234 PMAQI
9th Aug 2026215 PMAQI
9th Aug 2026216 PMAQI
9th Aug 2026237 PMAQI
9th Aug 2026258 PMAQI
9th Aug 2026259 PMAQI
9th Aug 20262510 PMAQI
9th Aug 20262511 PMAQI
10th Aug 20261912 AMAQI
10th Aug 2026191 AMAQI
10th Aug 2026212 AMAQI
10th Aug 2026233 AMAQI
10th Aug 2026234 AMAQI

25°C20/31°C

10th Aug 2026175 AMAQI
10th Aug 2026216 AMAQI
10th Aug 2026177 AMAQI
10th Aug 2026198 AMAQI
10th Aug 2026179 AMAQI
10th Aug 20261710 AMAQI
10th Aug 20261411 AMAQI
10th Aug 20262312 PMAQI
10th Aug 2026231 PMAQI
10th Aug 2026252 PMAQI
10th Aug 2026143 PMAQI
10th Aug 2026144 PMAQI
10th Aug 2026175 PMAQI
10th Aug 2026176 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026198 PMAQI
10th Aug 2026199 PMAQI
10th Aug 20262110 PMAQI
10th Aug 20262111 PMAQI
11th Aug 20262112 AMAQI
11th Aug 2026191 AMAQI
11th Aug 2026172 AMAQI
11th Aug 2026213 AMAQI
11th Aug 2026254 AMAQI

26°C21/32°C

11th Aug 2026255 AMAQI
11th Aug 2026256 AMAQI
11th Aug 2026257 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026259 AMAQI
11th Aug 20262510 AMAQI
11th Aug 20262511 AMAQI
11th Aug 20262312 PMAQI
11th Aug 2026231 PMAQI
11th Aug 2026232 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026255 PMAQI
11th Aug 2026256 PMAQI
11th Aug 2026277 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026279 PMAQI
11th Aug 20263310 PMAQI
11th Aug 20262711 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026251 AMAQI
12th Aug 2026272 AMAQI
12th Aug 2026273 AMAQI
12th Aug 2026254 AMAQI

26°C20/33°C

12th Aug 2026275 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026237 AMAQI
12th Aug 2026258 AMAQI
12th Aug 2026279 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262911 AMAQI
12th Aug 20262512 PMAQI
12th Aug 2026291 PMAQI
12th Aug 2026252 PMAQI
12th Aug 2026253 PMAQI
12th Aug 2026254 PMAQI
12th Aug 2026255 PMAQI
12th Aug 2026216 PMAQI
12th Aug 2026277 PMAQI
12th Aug 2026258 PMAQI
12th Aug 2026259 PMAQI
12th Aug 20262510 PMAQI
12th Aug 20262911 PMAQI
13th Aug 20262912 AMAQI
13th Aug 2026211 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026273 AMAQI
13th Aug 2026294 AMAQI

23°C17/30°C

13th Aug 2026275 AMAQI
13th Aug 2026276 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026298 AMAQI
13th Aug 2026299 AMAQI
13th Aug 20263310 AMAQI
13th Aug 20263811 AMAQI
13th Aug 20263612 PMAQI
13th Aug 2026311 PMAQI
13th Aug 2026252 PMAQI
13th Aug 2026273 PMAQI
13th Aug 2026254 PMAQI
13th Aug 2026255 PMAQI
13th Aug 2026256 PMAQI
13th Aug 2026257 PMAQI
13th Aug 2026298 PMAQI
13th Aug 2026259 PMAQI
13th Aug 20262510 PMAQI
13th Aug 20262511 PMAQI
14th Aug 20262712 AMAQI
14th Aug 2026291 AMAQI
14th Aug 2026292 AMAQI
14th Aug 2026293 AMAQI
14th Aug 2026254 AMAQI

24°C19/30°C

14th Aug 2026255 AMAQI
14th Aug 2026256 AMAQI
14th Aug 2026257 AMAQI
14th Aug 2026258 AMAQI
14th Aug 2026279 AMAQI
14th Aug 20262510 AMAQI
14th Aug 20262711 AMAQI
14th Aug 20262512 PMAQI
14th Aug 2026291 PMAQI
14th Aug 2026272 PMAQI
14th Aug 2026293 PMAQI
14th Aug 2026274 PMAQI
14th Aug 2026295 PMAQI
14th Aug 2026276 PMAQI
14th Aug 2026257 PMAQI
14th Aug 2026258 PMAQI
14th Aug 2026259 PMAQI
14th Aug 20262710 PMAQI
14th Aug 20262711 PMAQI
15th Aug 20262912 AMAQI
15th Aug 2026291 AMAQI
15th Aug 2026292 AMAQI
15th Aug 2026293 AMAQI
15th Aug 2026274 AMAQI

25°C21/30°C

15th Aug 2026275 AMAQI
15th Aug 2026296 AMAQI
15th Aug 2026257 AMAQI
15th Aug 2026258 AMAQI
15th Aug 2026259 AMAQI
15th Aug 20262910 AMAQI
15th Aug 20262911 AMAQI
15th Aug 20262912 PMAQI
15th Aug 2026291 PMAQI
15th Aug 2026272 PMAQI
15th Aug 2026253 PMAQI
15th Aug 2026254 PMAQI
15th Aug 2026295 PMAQI
15th Aug 2026296 PMAQI
15th Aug 2026297 PMAQI
15th Aug 2026318 PMAQI
15th Aug 2026319 PMAQI
15th Aug 20263410 PMAQI
15th Aug 20262911 PMAQI
16th Aug 20263812 AMAQI
16th Aug 2026421 AMAQI
16th Aug 2026502 AMAQI
16th Aug 2026403 AMAQI
16th Aug 2026404 AMAQI

23°C22/24°C

16th Aug 2026385 AMAQI
16th Aug 2026336 AMAQI
16th Aug 2026277 AMAQI
16th Aug 2026298 AMAQI
16th Aug 2026219 AMAQI
16th Aug 20262310 AMAQI
16th Aug 20263011 AMAQI
16th Aug 20263812 PMAQI
16th Aug 2026331 PMAQI
16th Aug 2026212 PMAQI
16th Aug 2026213 PMAQI
16th Aug 2026334 PMAQI
16th Aug 2026215 PMAQI
16th Aug 2026296 PMAQI
16th Aug 2026297 PMAQI
16th Aug 2026278 PMAQI
16th Aug 2026259 PMAQI
16th Aug 20262710 PMAQI
16th Aug 20262711 PMAQI
17th Aug 20262712 AMAQI
17th Aug 2026381 AMAQI
17th Aug 2026382 AMAQI
17th Aug 2026333 AMAQI
17th Aug 2026314 AMAQI

24°C21/28°C

17th Aug 2026295 AMAQI
17th Aug 2026346 AMAQI
17th Aug 2026337 AMAQI
17th Aug 2026258 AMAQI
17th Aug 2026299 AMAQI
17th Aug 20262910 AMAQI
17th Aug 20262911 AMAQI
17th Aug 20262112 PMAQI
17th Aug 2026251 PMAQI
17th Aug 2026292 PMAQI
17th Aug 2026253 PMAQI
17th Aug 2026254 PMAQI
17th Aug 2026255 PMAQI
17th Aug 2026256 PMAQI
17th Aug 2026237 PMAQI
17th Aug 2026258 PMAQI
17th Aug 2026259 PMAQI
17th Aug 20262910 PMAQI
17th Aug 20262511 PMAQI
18th Aug 20262512 AMAQI
18th Aug 2026331 AMAQI
18th Aug 2026312 AMAQI
18th Aug 2026253 AMAQI
18th Aug 2026254 AMAQI

12°C12/13°C

18th Aug 2026275 AMAQI
5 AM
18th Aug 2026296 AMAQI
18th Aug 2026307 AMAQI
18th Aug 2026368 AMAQI
18th Aug 2026339 AMAQI
18th Aug 20263810 AMAQI
18th Aug 20263611 AMAQI
18th Aug 20262912 PMAQI
12 PM
18th Aug 2026401 PMAQI
18th Aug 2026382 PMAQI
18th Aug 2026463 PMAQI
18th Aug 2026514 PMAQI
18th Aug 2026505 PMAQI
18th Aug 2026506 PMAQI
18th Aug 2026467 PMAQI
7 PM
18th Aug 2026428 PMAQI
18th Aug 2026389 PMAQI
18th Aug 20263810 PMAQI
18th Aug 20263611 PMAQI
12 AM
4 AM

25°C22/29°C

Day time
Avg. Highest Time
5 AM - 6 AM

36AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
3 PM

32AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 36), while the lowest AQI was between 3 PM to 3 PM (Avg. 32).
Night time
Avg. Highest Time
4 AM

37AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
8 PM - 11 PM

35AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 37), while the lowest AQI was between 8 PM to 11 PM (Avg. 35).

2026 Days Vs Air Quality

Seondan Dong, Pocheon, Gyeonggi, South Korea

2026

55%

125

36%

81

8%

19

0.4%

1

Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)

Good
125 Days
Moderate
81 Days
Poor
19 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 55%

Health Risk Level:

Considerable

In 2026, 55% of 230 days were within WHO’s safe air quality limits, and 45% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Seondan Dong, Pocheon, Gyeonggi, South Korea

AQI levels in 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
32AQI (US)
2nd January 2026
45AQI (US)
3rd January 2026
64AQI (US)
4th January 2026
95AQI (US)
5th January 2026
70AQI (US)
6th January 2026
69AQI (US)
7th January 2026
65AQI (US)
8th January 2026
28AQI (US)
9th January 2026
59AQI (US)
10th January 2026
64AQI (US)
11th January 2026
28AQI (US)
12th January 2026
45AQI (US)
13th January 2026
44AQI (US)
14th January 2026
51AQI (US)
15th January 2026
88AQI (US)
16th January 2026
148AQI (US)
17th January 2026
122AQI (US)
18th January 2026
77AQI (US)
19th January 2026
59AQI (US)
20th January 2026
37AQI (US)
21st January 2026
49AQI (US)
22nd January 2026
27AQI (US)
23rd January 2026
43AQI (US)
24th January 2026
51AQI (US)
25th January 2026
27AQI (US)
26th January 2026
66AQI (US)
27th January 2026
59AQI (US)
28th January 2026
37AQI (US)
29th January 2026
42AQI (US)
30th January 2026
49AQI (US)
31st January 2026
73AQI (US)
1st February 2026
74AQI (US)
2nd February 2026
65AQI (US)
3rd February 2026
74AQI (US)
4th February 2026
129AQI (US)
5th February 2026
149AQI (US)
6th February 2026
66AQI (US)
7th February 2026
40AQI (US)
8th February 2026
44AQI (US)
9th February 2026
49AQI (US)
10th February 2026
107AQI (US)
11th February 2026
137AQI (US)
12th February 2026
135AQI (US)
13th February 2026
146AQI (US)
14th February 2026
151AQI (US)
15th February 2026
97AQI (US)
16th February 2026
47AQI (US)
17th February 2026
36AQI (US)
18th February 2026
60AQI (US)
19th February 2026
54AQI (US)
20th February 2026
99AQI (US)
21st February 2026
99AQI (US)
22nd February 2026
47AQI (US)
23rd February 2026
32AQI (US)
24th February 2026
29AQI (US)
25th February 2026
53AQI (US)
26th February 2026
61AQI (US)
27th February 2026
33AQI (US)
28th February 2026
35AQI (US)
1st March 2026
35AQI (US)
2nd March 2026
11AQI (US)
3rd March 2026
29AQI (US)
4th March 2026
69AQI (US)
5th March 2026
98AQI (US)
6th March 2026
79AQI (US)
7th March 2026
56AQI (US)
8th March 2026
58AQI (US)
9th March 2026
94AQI (US)
10th March 2026
108AQI (US)
11th March 2026
85AQI (US)
12th March 2026
101AQI (US)
13th March 2026
40AQI (US)
14th March 2026
56AQI (US)
15th March 2026
85AQI (US)
16th March 2026
114AQI (US)
17th March 2026
126AQI (US)
18th March 2026
119AQI (US)
19th March 2026
69AQI (US)
20th March 2026
77AQI (US)
21st March 2026
98AQI (US)
22nd March 2026
80AQI (US)
23rd March 2026
84AQI (US)
24th March 2026
99AQI (US)
25th March 2026
81AQI (US)
26th March 2026
93AQI (US)
27th March 2026
145AQI (US)
28th March 2026
121AQI (US)
29th March 2026
103AQI (US)
30th March 2026
111AQI (US)
31st March 2026
48AQI (US)
1st April 2026
50AQI (US)
2nd April 2026
80AQI (US)
3rd April 2026
104AQI (US)
4th April 2026
63AQI (US)
5th April 2026
73AQI (US)
6th April 2026
45AQI (US)
7th April 2026
23AQI (US)
8th April 2026
49AQI (US)
9th April 2026
48AQI (US)
10th April 2026
31AQI (US)
11th April 2026
63AQI (US)
12th April 2026
59AQI (US)
13th April 2026
48AQI (US)
14th April 2026
58AQI (US)
15th April 2026
70AQI (US)
16th April 2026
24AQI (US)
17th April 2026
18th April 2026
52AQI (US)
19th April 2026
58AQI (US)
20th April 2026
58AQI (US)
21st April 2026
68AQI (US)
22nd April 2026
23rd April 2026
41AQI (US)
24th April 2026
33AQI (US)
25th April 2026
45AQI (US)
26th April 2026
28AQI (US)
27th April 2026
46AQI (US)
28th April 2026
40AQI (US)
29th April 2026
26AQI (US)
30th April 2026
45AQI (US)
1st May 2026
55AQI (US)
2nd May 2026
105AQI (US)
3rd May 2026
42AQI (US)
4th May 2026
18AQI (US)
5th May 2026
29AQI (US)
6th May 2026
43AQI (US)
7th May 2026
43AQI (US)
8th May 2026
28AQI (US)
9th May 2026
10th May 2026
43AQI (US)
11th May 2026
32AQI (US)
12th May 2026
45AQI (US)
13th May 2026
50AQI (US)
14th May 2026
41AQI (US)
15th May 2026
65AQI (US)
16th May 2026
76AQI (US)
17th May 2026
65AQI (US)
18th May 2026
55AQI (US)
19th May 2026
53AQI (US)
20th May 2026
63AQI (US)
21st May 2026
66AQI (US)
22nd May 2026
76AQI (US)
23rd May 2026
69AQI (US)
24th May 2026
70AQI (US)
25th May 2026
64AQI (US)
26th May 2026
49AQI (US)
27th May 2026
31AQI (US)
28th May 2026
15AQI (US)
29th May 2026
38AQI (US)
30th May 2026
47AQI (US)
31st May 2026
47AQI (US)
1st June 2026
40AQI (US)
2nd June 2026
73AQI (US)
3rd June 2026
60AQI (US)
4th June 2026
57AQI (US)
5th June 2026
16AQI (US)
6th June 2026
26AQI (US)
7th June 2026
21AQI (US)
8th June 2026
22AQI (US)
9th June 2026
25AQI (US)
10th June 2026
36AQI (US)
11th June 2026
64AQI (US)
12th June 2026
54AQI (US)
13th June 2026
39AQI (US)
14th June 2026
52AQI (US)
15th June 2026
45AQI (US)
16th June 2026
53AQI (US)
17th June 2026
67AQI (US)
18th June 2026
41AQI (US)
19th June 2026
44AQI (US)
20th June 2026
15AQI (US)
21st June 2026
11AQI (US)
22nd June 2026
23AQI (US)
23rd June 2026
27AQI (US)
24th June 2026
15AQI (US)
25th June 2026
26AQI (US)
26th June 2026
29AQI (US)
27th June 2026
41AQI (US)
28th June 2026
56AQI (US)
29th June 2026
38AQI (US)
30th June 2026
27AQI (US)
1st July 2026
29AQI (US)
2nd July 2026
39AQI (US)
3rd July 2026
54AQI (US)
4th July 2026
51AQI (US)
5th July 2026
30AQI (US)
6th July 2026
30AQI (US)
7th July 2026
24AQI (US)
8th July 2026
23AQI (US)
9th July 2026
23AQI (US)
10th July 2026
27AQI (US)
11th July 2026
34AQI (US)
12th July 2026
33AQI (US)
13th July 2026
53AQI (US)
14th July 2026
26AQI (US)
15th July 2026
17AQI (US)
16th July 2026
70AQI (US)
17th July 2026
62AQI (US)
18th July 2026
20AQI (US)
19th July 2026
20AQI (US)
20th July 2026
38AQI (US)
21st July 2026
27AQI (US)
22nd July 2026
35AQI (US)
23rd July 2026
44AQI (US)
24th July 2026
50AQI (US)
25th July 2026
38AQI (US)
26th July 2026
25AQI (US)
27th July 2026
30AQI (US)
28th July 2026
38AQI (US)
29th July 2026
34AQI (US)
30th July 2026
25AQI (US)
31st July 2026
35AQI (US)
1st August 2026
58AQI (US)
2nd August 2026
46AQI (US)
3rd August 2026
39AQI (US)
4th August 2026
47AQI (US)
5th August 2026
43AQI (US)
6th August 2026
39AQI (US)
7th August 2026
41AQI (US)
8th August 2026
28AQI (US)
9th August 2026
25AQI (US)
10th August 2026
19AQI (US)
11th August 2026
25AQI (US)
12th August 2026
26AQI (US)
13th August 2026
28AQI (US)
14th August 2026
27AQI (US)
15th August 2026
28AQI (US)
16th August 2026
31AQI (US)
17th August 2026
28AQI (US)
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

58AQI (US)

77AQI (US)

83AQI (US)

51AQI (US)

51AQI (US)

38AQI (US)

35AQI (US)

34AQI (US)

No. of days

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

202654AQI (US)

14
15
2
10
11
6
1
5
17
9
16
11
1
17
12
1
21
9
26
5
16
1
125
81
19
1

Highest AQI (US) recorded in

March

83AQI (US)

Lowest AQI (US) recorded in

August

34AQI (US)

202561AQI (US)

2
22
7
4
23
1
3
21
7
4
26
12
19
7
23
19
12
21
10
26
4
20
11
8
17
5
9
16
6
135
204
26

Highest AQI (US) recorded in

March

82AQI (US)

Lowest AQI (US) recorded in

September

40AQI (US)

202459AQI (US)

6
14
10
1
10
11
8
6
20
5
4
23
3
12
17
2
10
19
1
22
9
21
10
25
5
17
14
7
23
6
24
1
146
189
30
1

Highest AQI (US) recorded in

January

87AQI (US)

Lowest AQI (US) recorded in

September

34AQI (US)

202368AQI (US)

3
14
10
3
2
15
7
4
2
13
16
3
23
4
7
19
5
10
20
23
8
25
6
20
10
12
17
2
11
12
6
9
12
8
2
127
169
58
9

Highest AQI (US) recorded in

February

99AQI (US)

Lowest AQI (US) recorded in

August

40AQI (US)

202274AQI (US)

15
12
3
1
11
7
2
8
14
9
7
18
5
9
19
3
13
16
1
8
13
1
22
7
11
18
2
4
13
12
1
5
16
10
89
160
61
6

Highest AQI (US) recorded in

January

102AQI (US)

Lowest AQI (US) recorded in

August

21AQI (US)

202170AQI (US)

5
14
8
2
4
14
10
4
15
11
1
6
21
3
8
21
1
1
10
18
2
12
19
19
12
25
5
15
15
1
6
11
11
2
6
11
13
1
120
176
59
7
1

Highest AQI (US) recorded in

November

91AQI (US)

Lowest AQI (US) recorded in

September

34AQI (US)

202059AQI (US)

2
8
3
4
14
3
7
11
8
21
1
22
9
27
4
24
5
12
18
1
9
13
8
2
15
13
1
117
118
29
1

Highest AQI (US) recorded in

December

95AQI (US)

Lowest AQI (US) recorded in

August

34AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
74AQI (US)
Least Polluted Year Recorded
2026(Avg.)
54AQI (US)

Seondan Dong's annual 2026 AQI (US) (54) shows an average percentage change of -16.4% (improved AQI (US)) compared to previous years: 2020 (59), 2021 (70), 2022 (74), 2023 (68), 2024 (59), 2025 (61).