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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Bongsan Dong, Anseong, 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

Bongsan Dong, Anseong, Gyeonggi, South Korea

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Aug 2024
76AQI
Lowest AQI recorded on
31st Aug 2022
17AQI

Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 25 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

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

Bongsan Dong, Anseong, Gyeonggi, South Korea

AQI
Day
Night
.

5 AM17th Aug 2026

7 PM

4 AM18th Aug 2026

Day time
Avg. Highest Time
5PM17th Aug

31AQI

Avg. Lowest Time
7PM17th Aug

21AQI

Night time
Avg. Highest Time
4AM18th Aug

46AQI

Avg. Lowest Time
12AM18th Aug

21AQI

In the last 24 hours,

Bongsan Dong's AQI reached its highest point of 46 at 4 AM during the Night, while the lowest point, 21, was recorded at 12 AM during the Night between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Bongsan Dong, Anseong, 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 2026455 AMAQI
20th Jul 2026426 AMAQI
20th Jul 2026467 AMAQI
20th Jul 2026478 AMAQI
20th Jul 2026369 AMAQI
20th Jul 20262710 AMAQI
20th Jul 20262311 AMAQI
20th Jul 20262312 PMAQI
20th Jul 2026271 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026253 PMAQI
20th Jul 2026294 PMAQI
20th Jul 2026315 PMAQI
20th Jul 2026386 PMAQI
20th Jul 2026427 PMAQI
20th Jul 2026388 PMAQI
20th Jul 2026299 PMAQI
20th Jul 20262110 PMAQI
20th Jul 20262711 PMAQI
21st Jul 20262512 AMAQI
21st Jul 2026251 AMAQI
21st Jul 2026212 AMAQI
21st Jul 2026213 AMAQI
21st Jul 2026214 AMAQI

25°C22/29°C

21st Jul 2026235 AMAQI
21st Jul 2026216 AMAQI
21st Jul 2026257 AMAQI
21st Jul 2026218 AMAQI
21st Jul 2026219 AMAQI
21st Jul 20262510 AMAQI
21st Jul 20262511 AMAQI
21st Jul 2026331 PMAQI
21st Jul 2026242 PMAQI
21st Jul 2026253 PMAQI
21st Jul 2026274 PMAQI
21st Jul 2026255 PMAQI
21st Jul 2026236 PMAQI
21st Jul 2026787 PMAQI
21st Jul 2026278 PMAQI
21st Jul 2026319 PMAQI
21st Jul 20262910 PMAQI
21st Jul 20262911 PMAQI
22nd Jul 20262912 AMAQI
22nd Jul 2026291 AMAQI
22nd Jul 2026292 AMAQI
22nd Jul 2026293 AMAQI
22nd Jul 2026314 AMAQI

25°C23/28°C

22nd Jul 2026315 AMAQI
22nd Jul 2026236 AMAQI
22nd Jul 2026257 AMAQI
22nd Jul 2026258 AMAQI
22nd Jul 2026279 AMAQI
22nd Jul 20262510 AMAQI
22nd Jul 20263411 AMAQI
22nd Jul 20266312 PMAQI
22nd Jul 2026571 PMAQI
22nd Jul 2026532 PMAQI
22nd Jul 2026443 PMAQI
22nd Jul 2026424 PMAQI
22nd Jul 2026315 PMAQI
22nd Jul 2026446 PMAQI
22nd Jul 2026407 PMAQI
22nd Jul 2026368 PMAQI
22nd Jul 2026319 PMAQI
22nd Jul 20263110 PMAQI
22nd Jul 20263311 PMAQI
23rd Jul 20264012 AMAQI
23rd Jul 2026291 AMAQI
23rd Jul 2026312 AMAQI
23rd Jul 2026363 AMAQI
23rd Jul 2026334 AMAQI

26°C24/30°C

23rd Jul 2026405 AMAQI
23rd Jul 2026406 AMAQI
23rd Jul 2026407 AMAQI
23rd Jul 2026318 AMAQI
23rd Jul 2026349 AMAQI
23rd Jul 20264010 AMAQI
23rd Jul 20264411 AMAQI
23rd Jul 20264412 PMAQI
23rd Jul 2026461 PMAQI
23rd Jul 2026482 PMAQI
23rd Jul 2026463 PMAQI
23rd Jul 2026444 PMAQI
23rd Jul 2026495 PMAQI
23rd Jul 2026446 PMAQI
23rd Jul 2026407 PMAQI
23rd Jul 2026428 PMAQI
23rd Jul 2026509 PMAQI
23rd Jul 20265010 PMAQI
23rd Jul 20265111 PMAQI
24th Jul 20263612 AMAQI
24th Jul 2026331 AMAQI
24th Jul 2026312 AMAQI
24th Jul 2026363 AMAQI
24th Jul 2026384 AMAQI

26°C23/30°C

24th Jul 2026385 AMAQI
24th Jul 2026406 AMAQI
24th Jul 2026387 AMAQI
24th Jul 2026408 AMAQI
24th Jul 2026469 AMAQI
24th Jul 20264910 AMAQI
24th Jul 20264911 AMAQI
24th Jul 20265012 PMAQI
24th Jul 2026481 PMAQI
24th Jul 2026472 PMAQI
24th Jul 2026363 PMAQI
24th Jul 2026314 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026216 PMAQI
24th Jul 2026277 PMAQI
24th Jul 2026338 PMAQI
24th Jul 2026299 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20262511 PMAQI
25th Jul 20262512 AMAQI
25th Jul 2026211 AMAQI
25th Jul 2026232 AMAQI
25th Jul 2026233 AMAQI
25th Jul 2026274 AMAQI

27°C23/31°C

25th Jul 2026275 AMAQI
25th Jul 2026296 AMAQI
25th Jul 2026297 AMAQI
25th Jul 2026278 AMAQI
25th Jul 2026299 AMAQI
25th Jul 20263410 AMAQI
25th Jul 20263611 AMAQI
25th Jul 20263112 PMAQI
25th Jul 2026271 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026233 PMAQI
25th Jul 2026214 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026216 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026218 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262711 PMAQI
26th Jul 20262912 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026252 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026254 AMAQI

27°C24/30°C

26th Jul 2026235 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026219 AMAQI
26th Jul 20263010 AMAQI
26th Jul 20263811 AMAQI
26th Jul 20263312 PMAQI
26th Jul 2026331 PMAQI
26th Jul 2026232 PMAQI
26th Jul 2026233 PMAQI
26th Jul 2026214 PMAQI
26th Jul 2026235 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026277 PMAQI
26th Jul 2026218 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20263310 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026271 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026273 AMAQI
27th Jul 2026294 AMAQI

27°C24/32°C

27th Jul 2026385 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026237 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20262711 AMAQI
27th Jul 20263812 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026292 PMAQI
27th Jul 2026293 PMAQI
27th Jul 2026254 PMAQI
27th Jul 2026275 PMAQI
27th Jul 2026256 PMAQI
27th Jul 2026277 PMAQI
27th Jul 2026278 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026271 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026323 AMAQI
28th Jul 2026334 AMAQI

27°C24/32°C

28th Jul 2026335 AMAQI
28th Jul 2026236 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026298 AMAQI
28th Jul 2026319 AMAQI
28th Jul 20265110 AMAQI
28th Jul 20265311 AMAQI
28th Jul 20265512 PMAQI
28th Jul 2026551 PMAQI
28th Jul 2026592 PMAQI
28th Jul 2026513 PMAQI
28th Jul 2026514 PMAQI
28th Jul 2026565 PMAQI
28th Jul 2026556 PMAQI
28th Jul 2026567 PMAQI
28th Jul 2026548 PMAQI
28th Jul 2026499 PMAQI
28th Jul 20264610 PMAQI
28th Jul 20263811 PMAQI
29th Jul 20263412 AMAQI
29th Jul 2026311 AMAQI
29th Jul 2026272 AMAQI
29th Jul 2026273 AMAQI
29th Jul 2026274 AMAQI

27°C24/30°C

29th Jul 2026235 AMAQI
29th Jul 2026236 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026258 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20262110 AMAQI
29th Jul 20262311 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026296 PMAQI
29th Jul 2026317 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026299 PMAQI
29th Jul 20263110 PMAQI
29th Jul 20262711 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026232 AMAQI
30th Jul 2026253 AMAQI
30th Jul 2026254 AMAQI

26°C24/29°C

30th Jul 2026255 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20262711 AMAQI
30th Jul 20262912 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026312 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026277 PMAQI
30th Jul 2026298 PMAQI
30th Jul 2026279 PMAQI
30th Jul 20262910 PMAQI
30th Jul 20262511 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026211 AMAQI
31st Jul 2026272 AMAQI
31st Jul 2026233 AMAQI
31st Jul 2026274 AMAQI

26°C23/30°C

31st Jul 2026315 AMAQI
31st Jul 2026256 AMAQI
31st Jul 2026297 AMAQI
31st Jul 2026298 AMAQI
31st Jul 2026369 AMAQI
31st Jul 20264410 AMAQI
31st Jul 20263811 AMAQI
31st Jul 20264812 PMAQI
31st Jul 2026521 PMAQI
31st Jul 2026532 PMAQI
31st Jul 2026503 PMAQI
31st Jul 2026444 PMAQI
31st Jul 2026465 PMAQI
31st Jul 2026496 PMAQI
31st Jul 2026487 PMAQI
31st Jul 2026448 PMAQI
31st Jul 2026429 PMAQI
31st Jul 20265110 PMAQI
31st Jul 20265311 PMAQI
1st Aug 20264912 AMAQI
1st Aug 2026531 AMAQI
1st Aug 2026522 AMAQI
1st Aug 2026503 AMAQI
1st Aug 2026604 AMAQI

27°C22/32°C

1st Aug 2026575 AMAQI
1st Aug 2026646 AMAQI
1st Aug 2026637 AMAQI
1st Aug 2026798 AMAQI
1st Aug 2026589 AMAQI
1st Aug 20266610 AMAQI
1st Aug 20266511 AMAQI
1st Aug 20266212 PMAQI
1st Aug 2026761 PMAQI
1st Aug 2026642 PMAQI
1st Aug 2026653 PMAQI
1st Aug 2026564 PMAQI
1st Aug 2026345 PMAQI
1st Aug 2026126 PMAQI
1st Aug 2026277 PMAQI
1st Aug 2026258 PMAQI
1st Aug 2026259 PMAQI
1st Aug 20262510 PMAQI
1st Aug 20262711 PMAQI
2nd Aug 20263812 AMAQI
2nd Aug 2026601 AMAQI
2nd Aug 2026692 AMAQI
2nd Aug 2026663 AMAQI
2nd Aug 2026544 AMAQI

27°C24/31°C

2nd Aug 2026525 AMAQI
2nd Aug 2026546 AMAQI
2nd Aug 2026687 AMAQI
2nd Aug 2026538 AMAQI
2nd Aug 2026339 AMAQI
2nd Aug 20263410 AMAQI
2nd Aug 20263311 AMAQI
2nd Aug 20264212 PMAQI
2nd Aug 2026511 PMAQI
2nd Aug 2026332 PMAQI
2nd Aug 2026313 PMAQI
2nd Aug 2026294 PMAQI
2nd Aug 202685 PMAQI
2nd Aug 2026136 PMAQI
2nd Aug 2026197 PMAQI
2nd Aug 2026238 PMAQI
2nd Aug 2026189 PMAQI
2nd Aug 2026810 PMAQI
2nd Aug 20261111 PMAQI
3rd Aug 20261412 AMAQI
3rd Aug 2026121 AMAQI
3rd Aug 2026192 AMAQI
3rd Aug 2026343 AMAQI
3rd Aug 2026484 AMAQI

27°C24/32°C

3rd Aug 2026425 AMAQI
3rd Aug 2026466 AMAQI
3rd Aug 2026277 AMAQI
3rd Aug 2026198 AMAQI
3rd Aug 2026179 AMAQI
3rd Aug 20261910 AMAQI
3rd Aug 20262311 AMAQI
3rd Aug 20263412 PMAQI
3rd Aug 2026361 PMAQI
3rd Aug 2026382 PMAQI
3rd Aug 2026423 PMAQI
3rd Aug 2026254 PMAQI
3rd Aug 2026105 PMAQI
3rd Aug 2026156 PMAQI
3rd Aug 2026487 PMAQI
3rd Aug 2026538 PMAQI
3rd Aug 2026559 PMAQI
3rd Aug 20266010 PMAQI
3rd Aug 20266211 PMAQI
4th Aug 20266412 AMAQI
4th Aug 2026661 AMAQI
4th Aug 2026672 AMAQI
4th Aug 2026603 AMAQI
4th Aug 2026584 AMAQI

28°C23/34°C

4th Aug 2026545 AMAQI
4th Aug 2026606 AMAQI
4th Aug 2026787 AMAQI
4th Aug 2026788 AMAQI
4th Aug 2026729 AMAQI
4th Aug 20267010 AMAQI
4th Aug 20267111 AMAQI
4th Aug 20265712 PMAQI
4th Aug 2026591 PMAQI
4th Aug 2026492 PMAQI
4th Aug 2026533 PMAQI
4th Aug 2026254 PMAQI
4th Aug 2026215 PMAQI
4th Aug 2026236 PMAQI
4th Aug 2026317 PMAQI
4th Aug 2026258 PMAQI
4th Aug 2026209 PMAQI
4th Aug 20262010 PMAQI
4th Aug 20262011 PMAQI
5th Aug 20261812 AMAQI
5th Aug 2026121 AMAQI
5th Aug 2026122 AMAQI
5th Aug 2026173 AMAQI
5th Aug 2026214 AMAQI

29°C25/35°C

5th Aug 2026255 AMAQI
5th Aug 2026336 AMAQI
5th Aug 2026407 AMAQI
5th Aug 2026198 AMAQI
5th Aug 2026169 AMAQI
5th Aug 20261410 AMAQI
5th Aug 20261211 AMAQI
5th Aug 2026812 PMAQI
5th Aug 202661 PMAQI
5th Aug 2026142 PMAQI
5th Aug 2026213 PMAQI
5th Aug 2026124 PMAQI
5th Aug 202695 PMAQI
5th Aug 202686 PMAQI
5th Aug 2026107 PMAQI
5th Aug 2026168 PMAQI
5th Aug 2026219 PMAQI
5th Aug 20262110 PMAQI
5th Aug 20261811 PMAQI
6th Aug 20262412 AMAQI
6th Aug 2026361 AMAQI
6th Aug 2026622 AMAQI
6th Aug 2026423 AMAQI
6th Aug 2026404 AMAQI

29°C25/34°C

6th Aug 2026425 AMAQI
6th Aug 2026466 AMAQI
6th Aug 2026317 AMAQI
6th Aug 2026298 AMAQI
6th Aug 2026369 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20263111 AMAQI
6th Aug 20262912 PMAQI
6th Aug 2026291 PMAQI
6th Aug 2026312 PMAQI
6th Aug 2026233 PMAQI
6th Aug 2026234 PMAQI
6th Aug 2026235 PMAQI
6th Aug 2026236 PMAQI
6th Aug 2026277 PMAQI
6th Aug 2026298 PMAQI
6th Aug 2026299 PMAQI
6th Aug 20263210 PMAQI
6th Aug 20264411 PMAQI
7th Aug 20264812 AMAQI
7th Aug 2026571 AMAQI
7th Aug 2026592 AMAQI
7th Aug 2026623 AMAQI
7th Aug 2026564 AMAQI

29°C25/34°C

7th Aug 2026485 AMAQI
7th Aug 2026386 AMAQI
7th Aug 2026337 AMAQI
7th Aug 2026318 AMAQI
7th Aug 2026299 AMAQI
7th Aug 20263310 AMAQI
7th Aug 20263311 AMAQI
7th Aug 20263112 PMAQI
7th Aug 2026521 PMAQI
7th Aug 2026232 PMAQI
7th Aug 2026293 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026275 PMAQI
7th Aug 2026276 PMAQI
7th Aug 2026277 PMAQI
7th Aug 2026318 PMAQI
7th Aug 2026389 PMAQI
7th Aug 20264610 PMAQI
7th Aug 20265111 PMAQI
8th Aug 20265812 AMAQI
8th Aug 2026591 AMAQI
8th Aug 2026592 AMAQI
8th Aug 2026553 AMAQI
8th Aug 2026554 AMAQI

29°C25/35°C

8th Aug 2026535 AMAQI
8th Aug 2026406 AMAQI
8th Aug 2026387 AMAQI
8th Aug 2026338 AMAQI
8th Aug 2026349 AMAQI
8th Aug 20263110 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026271 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026233 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026236 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026238 PMAQI
8th Aug 2026239 PMAQI
8th Aug 20262110 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026251 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026293 AMAQI
9th Aug 2026254 AMAQI

28°C22/35°C

9th Aug 2026295 AMAQI
9th Aug 2026296 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026298 AMAQI
9th Aug 2026299 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262712 PMAQI
9th Aug 2026331 PMAQI
9th Aug 2026332 PMAQI
9th Aug 2026333 PMAQI
9th Aug 2026334 PMAQI
9th Aug 2026315 PMAQI
9th Aug 2026296 PMAQI
9th Aug 2026277 PMAQI
9th Aug 2026218 PMAQI
9th Aug 2026199 PMAQI
9th Aug 20261710 PMAQI
9th Aug 20261711 PMAQI
10th Aug 20261712 AMAQI
10th Aug 2026171 AMAQI
10th Aug 2026192 AMAQI
10th Aug 2026193 AMAQI
10th Aug 2026174 AMAQI

25°C22/30°C

10th Aug 2026215 AMAQI
10th Aug 2026176 AMAQI
10th Aug 2026147 AMAQI
10th Aug 2026148 AMAQI
10th Aug 2026179 AMAQI
10th Aug 20262110 AMAQI
10th Aug 20261911 AMAQI
10th Aug 20262512 PMAQI
10th Aug 2026271 PMAQI
10th Aug 2026252 PMAQI
10th Aug 2026213 PMAQI
10th Aug 2026214 PMAQI
10th Aug 2026255 PMAQI
10th Aug 2026316 PMAQI
10th Aug 2026317 PMAQI
10th Aug 2026348 PMAQI
10th Aug 2026409 PMAQI
10th Aug 20262110 PMAQI
10th Aug 20262111 PMAQI
11th Aug 20262912 AMAQI
11th Aug 2026291 AMAQI
11th Aug 2026212 AMAQI
11th Aug 2026233 AMAQI
11th Aug 2026334 AMAQI

26°C22/31°C

11th Aug 2026295 AMAQI
11th Aug 2026296 AMAQI
11th Aug 2026277 AMAQI
11th Aug 2026238 AMAQI
11th Aug 2026219 AMAQI
11th Aug 20262310 AMAQI
11th Aug 20262311 AMAQI
11th Aug 20262512 PMAQI
11th Aug 2026211 PMAQI
11th Aug 2026212 PMAQI
11th Aug 2026333 PMAQI
11th Aug 2026404 PMAQI
11th Aug 2026385 PMAQI
11th Aug 2026386 PMAQI
11th Aug 2026317 PMAQI
11th Aug 2026258 PMAQI
11th Aug 2026239 PMAQI
11th Aug 20262510 PMAQI
11th Aug 20262311 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026231 AMAQI
12th Aug 2026172 AMAQI
12th Aug 2026253 AMAQI
12th Aug 2026254 AMAQI

25°C21/31°C

12th Aug 2026215 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026237 AMAQI
12th Aug 2026218 AMAQI
12th Aug 2026319 AMAQI
12th Aug 20263310 AMAQI
12th Aug 20263811 AMAQI
12th Aug 20262912 PMAQI
12th Aug 2026291 PMAQI
12th Aug 2026312 PMAQI
12th Aug 2026293 PMAQI
12th Aug 2026274 PMAQI
12th Aug 2026255 PMAQI
12th Aug 2026276 PMAQI
12th Aug 2026297 PMAQI
12th Aug 2026428 PMAQI
12th Aug 2026259 PMAQI
12th Aug 20262510 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20262312 AMAQI
13th Aug 2026231 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026273 AMAQI
13th Aug 2026234 AMAQI

23°C17/30°C

13th Aug 2026255 AMAQI
13th Aug 2026236 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026318 AMAQI
13th Aug 2026299 AMAQI
13th Aug 20265110 AMAQI
13th Aug 20264011 AMAQI
13th Aug 20264012 PMAQI
13th Aug 2026381 PMAQI
13th Aug 2026212 PMAQI
13th Aug 2026253 PMAQI
13th Aug 2026234 PMAQI
13th Aug 2026215 PMAQI
13th Aug 2026276 PMAQI
13th Aug 2026257 PMAQI
13th Aug 2026278 PMAQI
13th Aug 2026349 PMAQI
13th Aug 20262310 PMAQI
13th Aug 20262511 PMAQI
14th Aug 20262712 AMAQI
14th Aug 2026381 AMAQI
14th Aug 2026342 AMAQI
14th Aug 2026253 AMAQI
14th Aug 2026214 AMAQI

25°C20/31°C

14th Aug 2026275 AMAQI
14th Aug 2026236 AMAQI
14th Aug 2026277 AMAQI
14th Aug 2026298 AMAQI
14th Aug 2026279 AMAQI
14th Aug 20263310 AMAQI
14th Aug 20264211 AMAQI
14th Aug 20264212 PMAQI
14th Aug 2026311 PMAQI
14th Aug 2026312 PMAQI
14th Aug 2026213 PMAQI
14th Aug 2026254 PMAQI
14th Aug 2026295 PMAQI
14th Aug 2026326 PMAQI
14th Aug 2026257 PMAQI
14th Aug 2026348 PMAQI
14th Aug 2026429 PMAQI
14th Aug 20264210 PMAQI
14th Aug 20263811 PMAQI
15th Aug 20264712 AMAQI
15th Aug 2026571 AMAQI
15th Aug 2026662 AMAQI
15th Aug 2026653 AMAQI
15th Aug 2026664 AMAQI

25°C21/30°C

15th Aug 2026675 AMAQI
15th Aug 2026596 AMAQI
15th Aug 2026567 AMAQI
15th Aug 2026568 AMAQI
15th Aug 2026579 AMAQI
15th Aug 20265710 AMAQI
15th Aug 20265611 AMAQI
15th Aug 20264612 PMAQI
15th Aug 2026461 PMAQI
15th Aug 2026462 PMAQI
15th Aug 2026443 PMAQI
15th Aug 2026444 PMAQI
15th Aug 2026405 PMAQI
15th Aug 2026406 PMAQI
15th Aug 2026407 PMAQI
15th Aug 2026428 PMAQI
15th Aug 2026429 PMAQI
15th Aug 20264910 PMAQI
15th Aug 20265011 PMAQI
16th Aug 20264612 AMAQI
16th Aug 2026511 AMAQI
16th Aug 2026532 AMAQI
16th Aug 2026513 AMAQI
16th Aug 2026424 AMAQI

24°C23/27°C

16th Aug 2026255 AMAQI
16th Aug 2026256 AMAQI
16th Aug 2026237 AMAQI
16th Aug 2026218 AMAQI
16th Aug 2026239 AMAQI
16th Aug 20262510 AMAQI
16th Aug 20263111 AMAQI
16th Aug 20262912 PMAQI
16th Aug 2026291 PMAQI
16th Aug 2026332 PMAQI
16th Aug 2026333 PMAQI
16th Aug 2026294 PMAQI
16th Aug 2026385 PMAQI
16th Aug 2026366 PMAQI
16th Aug 2026297 PMAQI
16th Aug 2026258 PMAQI
16th Aug 2026299 PMAQI
16th Aug 20262910 PMAQI
16th Aug 20262911 PMAQI
17th Aug 20262712 AMAQI
17th Aug 2026231 AMAQI
17th Aug 2026232 AMAQI
17th Aug 2026213 AMAQI
17th Aug 2026234 AMAQI

24°C22/28°C

17th Aug 2026255 AMAQI
17th Aug 2026256 AMAQI
17th Aug 2026297 AMAQI
17th Aug 2026298 AMAQI
17th Aug 2026259 AMAQI
17th Aug 20262510 AMAQI
17th Aug 20262911 AMAQI
17th Aug 20262312 PMAQI
17th Aug 2026231 PMAQI
17th Aug 2026212 PMAQI
17th Aug 2026253 PMAQI
17th Aug 2026254 PMAQI
17th Aug 2026315 PMAQI
17th Aug 2026276 PMAQI
17th Aug 2026217 PMAQI
17th Aug 2026258 PMAQI
17th Aug 2026219 PMAQI
17th Aug 20262310 PMAQI
17th Aug 20262111 PMAQI
18th Aug 20262112 AMAQI
18th Aug 2026231 AMAQI
18th Aug 2026342 AMAQI
18th Aug 2026233 AMAQI
18th Aug 2026464 AMAQI

13°C13/14°C

18th Aug 2026465 AMAQI
5 AM
18th Aug 2026516 AMAQI
18th Aug 2026507 AMAQI
18th Aug 2026488 AMAQI
18th Aug 2026509 AMAQI
18th Aug 20265210 AMAQI
18th Aug 20265611 AMAQI
18th Aug 20265312 PMAQI
12 PM
18th Aug 2026481 PMAQI
18th Aug 2026442 PMAQI
18th Aug 2026423 PMAQI
18th Aug 2026364 PMAQI
18th Aug 2026385 PMAQI
18th Aug 2026426 PMAQI
18th Aug 2026427 PMAQI
7 PM
18th Aug 2026428 PMAQI
18th Aug 2026389 PMAQI
18th Aug 20264010 PMAQI
18th Aug 20264411 PMAQI
12 AM
4 AM

25°C23/29°C

Day time
Avg. Highest Time
11 AM - 1 PM

37AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
5 PM

28AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 1 PM (Avg. 37), while the lowest AQI was between 5 PM to 5 PM (Avg. 28).
Night time
Avg. Highest Time
4 AM

36AQI

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

31AQI

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. 36), while the lowest AQI was between 8 PM to 11 PM (Avg. 31).

2026 Days Vs Air Quality

Bongsan Dong, Anseong, Gyeonggi, South Korea

2026

54%

122

32%

73

13%

29

0.8%

2

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

Good
122 Days
Moderate
73 Days
Poor
29 Days
Unhealthy
2 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 54%

Health Risk Level:

Considerable

In 2026, 54% of 230 days were within WHO’s safe air quality limits, and 46% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Bongsan Dong, Anseong, 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
29AQI (US)
2nd January 2026
42AQI (US)
3rd January 2026
62AQI (US)
4th January 2026
88AQI (US)
5th January 2026
74AQI (US)
6th January 2026
52AQI (US)
7th January 2026
64AQI (US)
8th January 2026
23AQI (US)
9th January 2026
51AQI (US)
10th January 2026
68AQI (US)
11th January 2026
25AQI (US)
12th January 2026
40AQI (US)
13th January 2026
47AQI (US)
14th January 2026
35AQI (US)
15th January 2026
87AQI (US)
16th January 2026
152AQI (US)
17th January 2026
142AQI (US)
18th January 2026
119AQI (US)
19th January 2026
65AQI (US)
20th January 2026
34AQI (US)
21st January 2026
40AQI (US)
22nd January 2026
35AQI (US)
23rd January 2026
62AQI (US)
24th January 2026
60AQI (US)
25th January 2026
31AQI (US)
26th January 2026
60AQI (US)
27th January 2026
64AQI (US)
28th January 2026
37AQI (US)
29th January 2026
53AQI (US)
30th January 2026
52AQI (US)
31st January 2026
76AQI (US)
1st February 2026
76AQI (US)
2nd February 2026
75AQI (US)
3rd February 2026
66AQI (US)
4th February 2026
132AQI (US)
5th February 2026
153AQI (US)
6th February 2026
75AQI (US)
7th February 2026
50AQI (US)
8th February 2026
51AQI (US)
9th February 2026
54AQI (US)
10th February 2026
97AQI (US)
11th February 2026
123AQI (US)
12th February 2026
130AQI (US)
13th February 2026
135AQI (US)
14th February 2026
147AQI (US)
15th February 2026
119AQI (US)
16th February 2026
49AQI (US)
17th February 2026
49AQI (US)
18th February 2026
57AQI (US)
19th February 2026
46AQI (US)
20th February 2026
83AQI (US)
21st February 2026
111AQI (US)
22nd February 2026
47AQI (US)
23rd February 2026
27AQI (US)
24th February 2026
42AQI (US)
25th February 2026
60AQI (US)
26th February 2026
22AQI (US)
27th February 2026
25AQI (US)
28th February 2026
46AQI (US)
1st March 2026
34AQI (US)
2nd March 2026
17AQI (US)
3rd March 2026
39AQI (US)
4th March 2026
75AQI (US)
5th March 2026
91AQI (US)
6th March 2026
75AQI (US)
7th March 2026
58AQI (US)
8th March 2026
57AQI (US)
9th March 2026
100AQI (US)
10th March 2026
113AQI (US)
11th March 2026
106AQI (US)
12th March 2026
109AQI (US)
13th March 2026
47AQI (US)
14th March 2026
49AQI (US)
15th March 2026
101AQI (US)
16th March 2026
138AQI (US)
17th March 2026
125AQI (US)
18th March 2026
136AQI (US)
19th March 2026
70AQI (US)
20th March 2026
63AQI (US)
21st March 2026
113AQI (US)
22nd March 2026
87AQI (US)
23rd March 2026
122AQI (US)
24th March 2026
114AQI (US)
25th March 2026
108AQI (US)
26th March 2026
130AQI (US)
27th March 2026
139AQI (US)
28th March 2026
125AQI (US)
29th March 2026
101AQI (US)
30th March 2026
103AQI (US)
31st March 2026
43AQI (US)
1st April 2026
58AQI (US)
2nd April 2026
106AQI (US)
3rd April 2026
131AQI (US)
4th April 2026
52AQI (US)
5th April 2026
66AQI (US)
6th April 2026
55AQI (US)
7th April 2026
24AQI (US)
8th April 2026
52AQI (US)
9th April 2026
56AQI (US)
10th April 2026
34AQI (US)
11th April 2026
89AQI (US)
12th April 2026
94AQI (US)
13th April 2026
70AQI (US)
14th April 2026
56AQI (US)
15th April 2026
105AQI (US)
16th April 2026
54AQI (US)
17th April 2026
18th April 2026
65AQI (US)
19th April 2026
91AQI (US)
20th April 2026
70AQI (US)
21st April 2026
66AQI (US)
22nd April 2026
23rd April 2026
49AQI (US)
24th April 2026
41AQI (US)
25th April 2026
56AQI (US)
26th April 2026
49AQI (US)
27th April 2026
50AQI (US)
28th April 2026
46AQI (US)
29th April 2026
49AQI (US)
30th April 2026
51AQI (US)
1st May 2026
44AQI (US)
2nd May 2026
108AQI (US)
3rd May 2026
58AQI (US)
4th May 2026
33AQI (US)
5th May 2026
40AQI (US)
6th May 2026
40AQI (US)
7th May 2026
45AQI (US)
8th May 2026
36AQI (US)
9th May 2026
10th May 2026
42AQI (US)
11th May 2026
37AQI (US)
12th May 2026
37AQI (US)
13th May 2026
46AQI (US)
14th May 2026
44AQI (US)
15th May 2026
50AQI (US)
16th May 2026
77AQI (US)
17th May 2026
65AQI (US)
18th May 2026
56AQI (US)
19th May 2026
53AQI (US)
20th May 2026
63AQI (US)
21st May 2026
67AQI (US)
22nd May 2026
76AQI (US)
23rd May 2026
71AQI (US)
24th May 2026
71AQI (US)
25th May 2026
65AQI (US)
26th May 2026
47AQI (US)
27th May 2026
26AQI (US)
28th May 2026
24AQI (US)
29th May 2026
53AQI (US)
30th May 2026
45AQI (US)
31st May 2026
43AQI (US)
1st June 2026
34AQI (US)
2nd June 2026
54AQI (US)
3rd June 2026
63AQI (US)
4th June 2026
69AQI (US)
5th June 2026
22AQI (US)
6th June 2026
34AQI (US)
7th June 2026
32AQI (US)
8th June 2026
49AQI (US)
9th June 2026
41AQI (US)
10th June 2026
51AQI (US)
11th June 2026
40AQI (US)
12th June 2026
42AQI (US)
13th June 2026
42AQI (US)
14th June 2026
45AQI (US)
15th June 2026
23AQI (US)
16th June 2026
41AQI (US)
17th June 2026
46AQI (US)
18th June 2026
61AQI (US)
19th June 2026
49AQI (US)
20th June 2026
19AQI (US)
21st June 2026
17AQI (US)
22nd June 2026
33AQI (US)
23rd June 2026
32AQI (US)
24th June 2026
9AQI (US)
25th June 2026
25AQI (US)
26th June 2026
32AQI (US)
27th June 2026
38AQI (US)
28th June 2026
46AQI (US)
29th June 2026
44AQI (US)
30th June 2026
50AQI (US)
1st July 2026
42AQI (US)
2nd July 2026
35AQI (US)
3rd July 2026
33AQI (US)
4th July 2026
50AQI (US)
5th July 2026
37AQI (US)
6th July 2026
24AQI (US)
7th July 2026
26AQI (US)
8th July 2026
19AQI (US)
9th July 2026
20AQI (US)
10th July 2026
32AQI (US)
11th July 2026
43AQI (US)
12th July 2026
44AQI (US)
13th July 2026
28AQI (US)
14th July 2026
25AQI (US)
15th July 2026
29AQI (US)
16th July 2026
58AQI (US)
17th July 2026
54AQI (US)
18th July 2026
29AQI (US)
19th July 2026
25AQI (US)
20th July 2026
33AQI (US)
21st July 2026
27AQI (US)
22nd July 2026
35AQI (US)
23rd July 2026
41AQI (US)
24th July 2026
36AQI (US)
25th July 2026
26AQI (US)
26th July 2026
26AQI (US)
27th July 2026
26AQI (US)
28th July 2026
42AQI (US)
29th July 2026
26AQI (US)
30th July 2026
26AQI (US)
31st July 2026
39AQI (US)
1st August 2026
51AQI (US)
2nd August 2026
38AQI (US)
3rd August 2026
33AQI (US)
4th August 2026
50AQI (US)
5th August 2026
17AQI (US)
6th August 2026
33AQI (US)
7th August 2026
39AQI (US)
8th August 2026
34AQI (US)
9th August 2026
27AQI (US)
10th August 2026
22AQI (US)
11th August 2026
27AQI (US)
12th August 2026
27AQI (US)
13th August 2026
28AQI (US)
14th August 2026
31AQI (US)
15th August 2026
52AQI (US)
16th August 2026
33AQI (US)
17th August 2026
25AQI (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

60AQI (US)

77AQI (US)

90AQI (US)

64AQI (US)

52AQI (US)

39AQI (US)

33AQI (US)

33AQI (US)

No. of days

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

202657AQI (US)

12
16
2
1
10
10
7
1
6
9
16
8
17
3
17
12
1
25
5
29
2
15
2
122
73
29
2

Highest AQI (US) recorded in

March

90AQI (US)

Lowest AQI (US) recorded in

August

33AQI (US)

202562AQI (US)

1
25
5
5
22
1
4
17
10
6
24
14
17
4
26
19
12
21
10
25
5
20
11
6
18
5
1
7
18
6
132
205
27
1

Highest AQI (US) recorded in

March

83AQI (US)

Lowest AQI (US) recorded in

September

41AQI (US)

202460AQI (US)

10
12
8
10
12
5
2
5
20
5
1
5
21
4
13
18
6
24
24
7
17
14
24
6
18
13
10
18
2
5
26
147
191
24
3

Highest AQI (US) recorded in

January

79AQI (US)

Lowest AQI (US) recorded in

September

37AQI (US)

202366AQI (US)

8
14
6
2
1
14
8
5
3
17
10
1
5
20
4
1
6
23
2
9
21
19
11
1
21
10
21
9
15
15
1
11
16
2
11
13
6
1
130
183
40
10

Highest AQI (US) recorded in

February

100AQI (US)

Lowest AQI (US) recorded in

September

41AQI (US)

202267AQI (US)

2
4
10
4
3
5
18
8
6
18
6
6
24
1
21
9
10
12
1
20
8
18
9
4
5
15
8
2
7
19
5
103
144
36
5

Highest AQI (US) recorded in

February

90AQI (US)

Lowest AQI (US) recorded in

August

17AQI (US)

202166AQI (US)

7
15
8
5
12
9
2
3
15
10
2
1
7
19
4
10
17
2
1
1
7
23
24
7
20
11
27
3
17
12
2
6
17
5
2
10
13
8
143
164
48
6
2
1

Highest AQI (US) recorded in

March

100AQI (US)

Lowest AQI (US) recorded in

September

33AQI (US)

202064AQI (US)

3
7
3
3
14
4
5
11
2
6
23
1
19
12
22
9
21
8
10
14
6
1
7
14
7
2
5
15
10
1
101
127
33
4

Highest AQI (US) recorded in

December

90AQI (US)

Lowest AQI (US) recorded in

September

40AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
67AQI (US)
Least Polluted Year Recorded
2026(Avg.)
57AQI (US)

Bongsan Dong's annual 2026 AQI (US) (57) shows an average percentage change of -11.03% (improved AQI (US)) compared to previous years: 2020 (64), 2021 (66), 2022 (67), 2023 (66), 2024 (60), 2025 (62).