Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Source Dong, Anyang, 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+

October Air Quality Analysis

Source Dong, Anyang, Gyeonggi, South Korea

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Oct 2022
150AQI
Lowest AQI recorded on
12th Oct 2021
18AQI

Same Day Analysis (13th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 32 of Good 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: 13th Oct - 14th Oct 2025

Source Dong, Anyang, Gyeonggi, South Korea

AQI
Day
Night
.

6 AM13th Oct 2025

6 PM

5 AM14th Oct 2025

Day time
Avg. Highest Time
7AM13th Oct

39AQI

Avg. Lowest Time
8AM13th Oct

18AQI

Night time
Avg. Highest Time
8PM13th Oct

48AQI

Avg. Lowest Time
6PM13th Oct

27AQI

In the last 24 hours,

Source Dong's AQI reached its highest point of 48 at 8 PM during the Night, while the lowest point, 18, was recorded at 8 AM during the Day between 13th Oct and 14th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Source Dong, Anyang, Gyeonggi, South Korea

SepOct
14th - 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 - 14th14th
Day
Night
14th Sep 2025466 AMAQI
14th Sep 2025457 AMAQI
14th Sep 2025478 AMAQI
14th Sep 2025379 AMAQI
14th Sep 20254110 AMAQI
14th Sep 20253211 AMAQI
14th Sep 20253512 PMAQI
14th Sep 2025401 PMAQI
14th Sep 2025452 PMAQI
14th Sep 2025443 PMAQI
14th Sep 2025404 PMAQI
14th Sep 2025495 PMAQI
14th Sep 2025436 PMAQI
14th Sep 2025467 PMAQI
14th Sep 2025488 PMAQI
14th Sep 2025489 PMAQI
14th Sep 20254410 PMAQI
14th Sep 20254111 PMAQI
15th Sep 20254412 AMAQI
15th Sep 2025461 AMAQI
15th Sep 2025462 AMAQI
15th Sep 2025463 AMAQI
15th Sep 2025464 AMAQI
15th Sep 2025455 AMAQI

24°C20/29°C

15th Sep 2025446 AMAQI
15th Sep 2025457 AMAQI
15th Sep 2025448 AMAQI
15th Sep 2025529 AMAQI
15th Sep 20254310 AMAQI
15th Sep 20254611 AMAQI
15th Sep 20254712 PMAQI
15th Sep 2025481 PMAQI
15th Sep 2025352 PMAQI
15th Sep 2025403 PMAQI
15th Sep 2025414 PMAQI
15th Sep 2025385 PMAQI
15th Sep 2025406 PMAQI
15th Sep 2025427 PMAQI
15th Sep 2025478 PMAQI
15th Sep 2025539 PMAQI
15th Sep 20255410 PMAQI
15th Sep 20255511 PMAQI
16th Sep 20255112 AMAQI
16th Sep 2025451 AMAQI
16th Sep 2025452 AMAQI
16th Sep 2025463 AMAQI
16th Sep 2025464 AMAQI
16th Sep 2025465 AMAQI

26°C21/31°C

16th Sep 2025456 AMAQI
16th Sep 2025457 AMAQI
16th Sep 2025468 AMAQI
16th Sep 2025579 AMAQI
16th Sep 20256010 AMAQI
16th Sep 20256411 AMAQI
16th Sep 20256412 PMAQI
16th Sep 2025631 PMAQI
16th Sep 2025622 PMAQI
16th Sep 2025653 PMAQI
16th Sep 2025424 PMAQI
16th Sep 2025185 PMAQI
16th Sep 2025186 PMAQI
16th Sep 2025187 PMAQI
16th Sep 2025258 PMAQI
16th Sep 2025339 PMAQI
16th Sep 20253410 PMAQI
16th Sep 20253411 PMAQI
17th Sep 20253512 AMAQI
17th Sep 2025451 AMAQI
17th Sep 2025462 AMAQI
17th Sep 2025463 AMAQI
17th Sep 2025504 AMAQI
17th Sep 2025525 AMAQI

24°C22/28°C

17th Sep 2025526 AMAQI
17th Sep 2025527 AMAQI
17th Sep 2025528 AMAQI
17th Sep 2025489 AMAQI
17th Sep 20253310 AMAQI
17th Sep 20252511 AMAQI
17th Sep 20252112 PMAQI
17th Sep 2025191 PMAQI
17th Sep 2025192 PMAQI
17th Sep 2025203 PMAQI
17th Sep 2025214 PMAQI
17th Sep 2025265 PMAQI
17th Sep 2025236 PMAQI
17th Sep 2025197 PMAQI
17th Sep 2025388 PMAQI
17th Sep 2025379 PMAQI
17th Sep 20253210 PMAQI
17th Sep 20253111 PMAQI
18th Sep 20253212 AMAQI
18th Sep 2025421 AMAQI
18th Sep 2025492 AMAQI
18th Sep 2025483 AMAQI
18th Sep 2025484 AMAQI
18th Sep 2025445 AMAQI

22°C19/24°C

18th Sep 2025446 AMAQI
18th Sep 2025447 AMAQI
18th Sep 2025448 AMAQI
18th Sep 2025279 AMAQI
18th Sep 20251810 AMAQI
18th Sep 20251811 AMAQI
18th Sep 20251812 PMAQI
18th Sep 2025171 PMAQI
18th Sep 2025162 PMAQI
18th Sep 2025173 PMAQI
18th Sep 2025164 PMAQI
18th Sep 2025165 PMAQI
18th Sep 2025146 PMAQI
18th Sep 2025157 PMAQI
18th Sep 2025208 PMAQI
18th Sep 2025299 PMAQI
18th Sep 20253110 PMAQI
18th Sep 20252811 PMAQI
19th Sep 20253112 AMAQI
19th Sep 2025391 AMAQI
19th Sep 2025392 AMAQI
19th Sep 2025393 AMAQI
19th Sep 2025384 AMAQI
19th Sep 2025355 AMAQI

21°C19/24°C

19th Sep 2025356 AMAQI
19th Sep 2025367 AMAQI
19th Sep 2025368 AMAQI
19th Sep 2025209 AMAQI
19th Sep 20251710 AMAQI
19th Sep 20251611 AMAQI
19th Sep 20251812 PMAQI
19th Sep 2025231 PMAQI
19th Sep 2025232 PMAQI
19th Sep 2025223 PMAQI
19th Sep 2025244 PMAQI
19th Sep 2025265 PMAQI
19th Sep 2025226 PMAQI
19th Sep 2025237 PMAQI
19th Sep 2025278 PMAQI
19th Sep 2025309 PMAQI
19th Sep 20253010 PMAQI
19th Sep 20252811 PMAQI
20th Sep 20252812 AMAQI
20th Sep 2025351 AMAQI
20th Sep 2025352 AMAQI
20th Sep 2025343 AMAQI
20th Sep 2025344 AMAQI
20th Sep 2025315 AMAQI

19°C17/22°C

20th Sep 2025326 AMAQI
20th Sep 2025327 AMAQI
20th Sep 2025318 AMAQI
20th Sep 2025199 AMAQI
20th Sep 20251610 AMAQI
20th Sep 20251711 AMAQI
20th Sep 20251712 PMAQI
20th Sep 2025201 PMAQI
20th Sep 2025222 PMAQI
20th Sep 2025213 PMAQI
20th Sep 2025224 PMAQI
20th Sep 2025245 PMAQI
20th Sep 2025246 PMAQI
20th Sep 2025227 PMAQI
20th Sep 2025218 PMAQI
20th Sep 2025279 PMAQI
20th Sep 20252710 PMAQI
20th Sep 20252711 PMAQI
21st Sep 20252712 AMAQI
21st Sep 2025301 AMAQI
21st Sep 2025322 AMAQI
21st Sep 2025323 AMAQI
21st Sep 2025324 AMAQI
21st Sep 2025305 AMAQI

18°C17/21°C

21st Sep 2025296 AMAQI
21st Sep 2025297 AMAQI
21st Sep 2025288 AMAQI
21st Sep 2025189 AMAQI
21st Sep 20251410 AMAQI
21st Sep 20251411 AMAQI
21st Sep 20251312 PMAQI
21st Sep 2025161 PMAQI
21st Sep 2025162 PMAQI
21st Sep 2025163 PMAQI
21st Sep 2025164 PMAQI
21st Sep 2025175 PMAQI
21st Sep 2025166 PMAQI
21st Sep 2025187 PMAQI
21st Sep 2025188 PMAQI
21st Sep 2025259 PMAQI
21st Sep 20252610 PMAQI
21st Sep 20252911 PMAQI
22nd Sep 20252612 AMAQI
22nd Sep 2025301 AMAQI
22nd Sep 2025292 AMAQI
22nd Sep 2025293 AMAQI
22nd Sep 2025294 AMAQI
22nd Sep 2025275 AMAQI

21°C16/26°C

22nd Sep 2025286 AMAQI
22nd Sep 2025287 AMAQI
22nd Sep 2025288 AMAQI
22nd Sep 2025229 AMAQI
22nd Sep 20251810 AMAQI
22nd Sep 20251311 AMAQI
22nd Sep 20251412 PMAQI
22nd Sep 2025201 PMAQI
22nd Sep 2025172 PMAQI
22nd Sep 2025173 PMAQI
22nd Sep 2025214 PMAQI
22nd Sep 2025215 PMAQI
22nd Sep 2025226 PMAQI
22nd Sep 2025217 PMAQI
22nd Sep 2025238 PMAQI
22nd Sep 2025269 PMAQI
22nd Sep 20252610 PMAQI
22nd Sep 20252811 PMAQI
23rd Sep 20252812 AMAQI
23rd Sep 2025281 AMAQI
23rd Sep 2025282 AMAQI
23rd Sep 2025283 AMAQI
23rd Sep 2025274 AMAQI
23rd Sep 2025275 AMAQI

21°C17/25°C

23rd Sep 2025276 AMAQI
23rd Sep 2025277 AMAQI
23rd Sep 2025278 AMAQI
23rd Sep 2025269 AMAQI
23rd Sep 20252210 AMAQI
23rd Sep 20252211 AMAQI
23rd Sep 20252212 PMAQI
23rd Sep 2025271 PMAQI
23rd Sep 2025242 PMAQI
23rd Sep 2025193 PMAQI
23rd Sep 2025194 PMAQI
23rd Sep 2025205 PMAQI
23rd Sep 2025216 PMAQI
23rd Sep 2025197 PMAQI
23rd Sep 2025238 PMAQI
23rd Sep 2025269 PMAQI
23rd Sep 20252910 PMAQI
23rd Sep 20253011 PMAQI
24th Sep 20252712 AMAQI
24th Sep 2025281 AMAQI
24th Sep 2025282 AMAQI
24th Sep 2025293 AMAQI
24th Sep 2025284 AMAQI
24th Sep 2025285 AMAQI

22°C19/27°C

24th Sep 2025286 AMAQI
24th Sep 2025287 AMAQI
24th Sep 2025278 AMAQI
24th Sep 2025189 AMAQI
24th Sep 20251310 AMAQI
24th Sep 20251411 AMAQI
24th Sep 20251812 PMAQI
24th Sep 2025241 PMAQI
24th Sep 2025232 PMAQI
24th Sep 2025243 PMAQI
24th Sep 2025284 PMAQI
24th Sep 2025335 PMAQI
24th Sep 2025326 PMAQI
24th Sep 2025327 PMAQI
24th Sep 2025288 PMAQI
24th Sep 2025289 PMAQI
24th Sep 20252610 PMAQI
24th Sep 20252711 PMAQI
25th Sep 20252612 AMAQI
25th Sep 2025271 AMAQI
25th Sep 2025282 AMAQI
25th Sep 2025283 AMAQI
25th Sep 2025284 AMAQI
25th Sep 2025275 AMAQI

21°C19/23°C

25th Sep 2025276 AMAQI
25th Sep 2025267 AMAQI
25th Sep 2025278 AMAQI
25th Sep 2025229 AMAQI
25th Sep 20252310 AMAQI
25th Sep 20252411 AMAQI
25th Sep 20252412 PMAQI
25th Sep 2025261 PMAQI
25th Sep 2025272 PMAQI
25th Sep 2025403 PMAQI
25th Sep 2025504 PMAQI
25th Sep 2025545 PMAQI
25th Sep 2025556 PMAQI
25th Sep 2025607 PMAQI
25th Sep 2025678 PMAQI
25th Sep 2025739 PMAQI
25th Sep 20255810 PMAQI
25th Sep 20255311 PMAQI
26th Sep 20255512 AMAQI
26th Sep 2025521 AMAQI
26th Sep 2025492 AMAQI
26th Sep 2025503 AMAQI
26th Sep 2025544 AMAQI
26th Sep 2025485 AMAQI

22°C20/27°C

26th Sep 2025496 AMAQI
26th Sep 2025497 AMAQI
26th Sep 2025468 AMAQI
26th Sep 2025489 AMAQI
26th Sep 20254610 AMAQI
26th Sep 20255711 AMAQI
26th Sep 20257012 PMAQI
26th Sep 2025691 PMAQI
26th Sep 2025662 PMAQI
26th Sep 2025633 PMAQI
26th Sep 2025664 PMAQI
26th Sep 2025765 PMAQI
26th Sep 2025716 PMAQI
26th Sep 2025647 PMAQI
26th Sep 2025738 PMAQI
26th Sep 2025739 PMAQI
26th Sep 20257310 PMAQI
26th Sep 20256711 PMAQI
27th Sep 20256412 AMAQI
27th Sep 2025581 AMAQI
27th Sep 2025602 AMAQI
27th Sep 2025623 AMAQI
27th Sep 2025574 AMAQI
27th Sep 2025555 AMAQI

22°C18/28°C

27th Sep 2025566 AMAQI
27th Sep 2025567 AMAQI
27th Sep 2025568 AMAQI
27th Sep 2025569 AMAQI
27th Sep 20255310 AMAQI
27th Sep 20253711 AMAQI
27th Sep 20254212 PMAQI
27th Sep 2025371 PMAQI
27th Sep 2025392 PMAQI
27th Sep 2025353 PMAQI
27th Sep 2025334 PMAQI
27th Sep 2025355 PMAQI
27th Sep 2025406 PMAQI
27th Sep 2025447 PMAQI
27th Sep 2025418 PMAQI
27th Sep 2025399 PMAQI
27th Sep 20254410 PMAQI
27th Sep 20254811 PMAQI
28th Sep 20254412 AMAQI
28th Sep 2025491 AMAQI
28th Sep 2025372 AMAQI
28th Sep 2025393 AMAQI
28th Sep 2025454 AMAQI
28th Sep 2025525 AMAQI

23°C18/28°C

28th Sep 2025486 AMAQI
28th Sep 2025327 AMAQI
28th Sep 2025198 AMAQI
28th Sep 2025179 AMAQI
28th Sep 20252010 AMAQI
28th Sep 20252611 AMAQI
28th Sep 20253212 PMAQI
28th Sep 2025301 PMAQI
28th Sep 2025302 PMAQI
28th Sep 2025333 PMAQI
28th Sep 2025344 PMAQI
28th Sep 2025365 PMAQI
28th Sep 2025396 PMAQI
28th Sep 2025377 PMAQI
28th Sep 2025338 PMAQI
28th Sep 2025329 PMAQI
28th Sep 20253810 PMAQI
28th Sep 20253911 PMAQI
29th Sep 20254012 AMAQI
29th Sep 2025441 AMAQI
29th Sep 2025462 AMAQI
29th Sep 2025493 AMAQI
29th Sep 2025444 AMAQI
29th Sep 2025555 AMAQI

20°C18/21°C

29th Sep 2025566 AMAQI
29th Sep 2025567 AMAQI
29th Sep 2025588 AMAQI
29th Sep 2025589 AMAQI
29th Sep 20256310 AMAQI
29th Sep 20256511 AMAQI
29th Sep 20255812 PMAQI
29th Sep 2025571 PMAQI
29th Sep 2025622 PMAQI
29th Sep 2025693 PMAQI
29th Sep 2025694 PMAQI
29th Sep 2025695 PMAQI
29th Sep 2025586 PMAQI
29th Sep 2025527 PMAQI
29th Sep 2025448 PMAQI
29th Sep 2025549 PMAQI
29th Sep 20255610 PMAQI
29th Sep 20255011 PMAQI
30th Sep 20255212 AMAQI
30th Sep 2025291 AMAQI
30th Sep 2025292 AMAQI
30th Sep 2025343 AMAQI
30th Sep 2025434 AMAQI
30th Sep 2025355 AMAQI

20°C17/25°C

30th Sep 2025376 AMAQI
30th Sep 2025377 AMAQI
30th Sep 2025408 AMAQI
30th Sep 2025429 AMAQI
30th Sep 20256010 AMAQI
30th Sep 20257211 AMAQI
30th Sep 20257212 PMAQI
30th Sep 2025731 PMAQI
30th Sep 2025822 PMAQI
30th Sep 2025823 PMAQI
30th Sep 2025754 PMAQI
30th Sep 2025675 PMAQI
30th Sep 2025566 PMAQI
30th Sep 2025637 PMAQI
30th Sep 2025688 PMAQI
30th Sep 2025699 PMAQI
30th Sep 20257610 PMAQI
30th Sep 20257811 PMAQI
1st Oct 20258012 AMAQI
1st Oct 2025761 AMAQI
1st Oct 2025702 AMAQI
1st Oct 2025643 AMAQI
1st Oct 2025504 AMAQI
1st Oct 2025545 AMAQI

21°C17/25°C

1st Oct 2025536 AMAQI
1st Oct 2025497 AMAQI
1st Oct 2025518 AMAQI
1st Oct 2025499 AMAQI
1st Oct 20255110 AMAQI
1st Oct 20255711 AMAQI
1st Oct 20258012 PMAQI
1st Oct 2025861 PMAQI
1st Oct 2025852 PMAQI
1st Oct 2025843 PMAQI
1st Oct 2025844 PMAQI
1st Oct 2025835 PMAQI
1st Oct 2025896 PMAQI
1st Oct 2025887 PMAQI
1st Oct 2025628 PMAQI
1st Oct 2025549 PMAQI
1st Oct 20255510 PMAQI
1st Oct 20255411 PMAQI
2nd Oct 20255312 AMAQI
2nd Oct 2025501 AMAQI
2nd Oct 2025422 AMAQI
2nd Oct 2025513 AMAQI
2nd Oct 2025464 AMAQI
2nd Oct 2025405 AMAQI

21°C17/26°C

2nd Oct 2025456 AMAQI
2nd Oct 2025497 AMAQI
2nd Oct 2025478 AMAQI
2nd Oct 2025449 AMAQI
2nd Oct 20255610 AMAQI
2nd Oct 20256411 AMAQI
2nd Oct 20256312 PMAQI
2nd Oct 2025581 PMAQI
2nd Oct 2025552 PMAQI
2nd Oct 2025623 PMAQI
2nd Oct 2025614 PMAQI
2nd Oct 2025625 PMAQI
2nd Oct 2025666 PMAQI
2nd Oct 2025667 PMAQI
2nd Oct 2025638 PMAQI
2nd Oct 2025639 PMAQI
2nd Oct 20257310 PMAQI
2nd Oct 20257711 PMAQI
3rd Oct 20257812 AMAQI
3rd Oct 2025721 AMAQI
3rd Oct 2025672 AMAQI
3rd Oct 2025713 AMAQI
3rd Oct 2025674 AMAQI
3rd Oct 2025715 AMAQI

22°C18/27°C

3rd Oct 2025696 AMAQI
3rd Oct 2025707 AMAQI
3rd Oct 2025748 AMAQI
3rd Oct 2025729 AMAQI
3rd Oct 20257310 AMAQI
3rd Oct 20256911 AMAQI
3rd Oct 20256412 PMAQI
3rd Oct 2025611 PMAQI
3rd Oct 2025612 PMAQI
3rd Oct 2025563 PMAQI
3rd Oct 2025544 PMAQI
3rd Oct 2025535 PMAQI
3rd Oct 2025506 PMAQI
3rd Oct 2025477 PMAQI
3rd Oct 2025408 PMAQI
3rd Oct 2025459 PMAQI
3rd Oct 20253810 PMAQI
3rd Oct 20253511 PMAQI
4th Oct 20253412 AMAQI
4th Oct 2025351 AMAQI
4th Oct 2025342 AMAQI
4th Oct 2025393 AMAQI
4th Oct 2025364 AMAQI
4th Oct 2025355 AMAQI

21°C19/23°C

4th Oct 2025336 AMAQI
4th Oct 2025337 AMAQI
4th Oct 2025338 AMAQI
4th Oct 2025369 AMAQI
4th Oct 20253710 AMAQI
4th Oct 20253411 AMAQI
4th Oct 20253712 PMAQI
4th Oct 2025361 PMAQI
4th Oct 2025372 PMAQI
4th Oct 2025363 PMAQI
4th Oct 2025454 PMAQI
4th Oct 2025435 PMAQI
4th Oct 2025436 PMAQI
4th Oct 2025457 PMAQI
4th Oct 2025478 PMAQI
4th Oct 2025549 PMAQI
4th Oct 20255210 PMAQI
4th Oct 20254011 PMAQI
5th Oct 20254312 AMAQI
5th Oct 2025421 AMAQI
5th Oct 2025502 AMAQI
5th Oct 2025473 AMAQI
5th Oct 2025364 AMAQI
5th Oct 2025345 AMAQI

21°C19/24°C

5th Oct 2025376 AMAQI
5th Oct 2025337 AMAQI
5th Oct 2025368 AMAQI
5th Oct 2025369 AMAQI
5th Oct 20253510 AMAQI
5th Oct 20253911 AMAQI
5th Oct 20252112 PMAQI
5th Oct 2025261 PMAQI
5th Oct 2025292 PMAQI
5th Oct 2025253 PMAQI
5th Oct 2025264 PMAQI
5th Oct 2025225 PMAQI
5th Oct 2025136 PMAQI
5th Oct 2025197 PMAQI
5th Oct 2025268 PMAQI
5th Oct 2025539 PMAQI
5th Oct 20255310 PMAQI
5th Oct 20255611 PMAQI
6th Oct 20255712 AMAQI
6th Oct 2025561 AMAQI
6th Oct 2025582 AMAQI
6th Oct 2025563 AMAQI
6th Oct 2025244 AMAQI
6th Oct 2025145 AMAQI

21°C20/23°C

6th Oct 2025166 AMAQI
6th Oct 2025187 AMAQI
6th Oct 2025208 AMAQI
6th Oct 2025189 AMAQI
6th Oct 20252710 AMAQI
6th Oct 20253311 AMAQI
6th Oct 20254112 PMAQI
6th Oct 2025501 PMAQI
6th Oct 2025452 PMAQI
6th Oct 2025533 PMAQI
6th Oct 2025464 PMAQI
6th Oct 2025245 PMAQI
6th Oct 2025226 PMAQI
6th Oct 2025257 PMAQI
6th Oct 2025248 PMAQI
6th Oct 2025259 PMAQI
6th Oct 20252710 PMAQI
6th Oct 20252711 PMAQI
7th Oct 20252712 AMAQI
7th Oct 2025261 AMAQI
7th Oct 2025282 AMAQI

18°C15/20°C

7th Oct 2025478 PMAQI
7th Oct 2025439 PMAQI
7th Oct 20254510 PMAQI
7th Oct 20254711 PMAQI
8th Oct 20254712 AMAQI
8th Oct 2025361 AMAQI
8th Oct 2025292 AMAQI
8th Oct 2025303 AMAQI
8th Oct 2025274 AMAQI
8th Oct 2025315 AMAQI

18°C15/19°C

8th Oct 2025396 AMAQI
8th Oct 2025217 AMAQI
8th Oct 2025158 AMAQI
8th Oct 2025169 AMAQI
8th Oct 20252210 AMAQI
8th Oct 20253611 AMAQI
8th Oct 20253412 PMAQI
8th Oct 2025371 PMAQI
8th Oct 2025352 PMAQI
8th Oct 2025323 PMAQI
8th Oct 2025434 PMAQI
8th Oct 2025575 PMAQI
8th Oct 2025666 PMAQI
8th Oct 2025607 PMAQI
8th Oct 2025528 PMAQI
8th Oct 2025369 PMAQI
8th Oct 20253710 PMAQI
8th Oct 20254511 PMAQI
9th Oct 20254912 AMAQI
9th Oct 2025531 AMAQI
9th Oct 2025572 AMAQI
9th Oct 2025453 AMAQI
9th Oct 2025484 AMAQI
9th Oct 2025445 AMAQI

21°C16/27°C

9th Oct 2025496 AMAQI
9th Oct 2025467 AMAQI
9th Oct 2025488 AMAQI
9th Oct 2025539 AMAQI
9th Oct 20255310 AMAQI
9th Oct 20254411 AMAQI
9th Oct 20254912 PMAQI
9th Oct 2025451 PMAQI
9th Oct 2025352 PMAQI
9th Oct 2025323 PMAQI
9th Oct 2025554 PMAQI
9th Oct 2025575 PMAQI
9th Oct 2025626 PMAQI
9th Oct 2025517 PMAQI
9th Oct 2025488 PMAQI
9th Oct 2025389 PMAQI
9th Oct 20253610 PMAQI
9th Oct 20253411 PMAQI
10th Oct 20253212 AMAQI
10th Oct 2025341 AMAQI
10th Oct 2025352 AMAQI
10th Oct 2025303 AMAQI
10th Oct 2025264 AMAQI
10th Oct 2025265 AMAQI

20°C19/22°C

10th Oct 2025236 AMAQI
10th Oct 2025317 AMAQI
10th Oct 2025398 AMAQI
10th Oct 2025429 AMAQI
10th Oct 20254010 AMAQI
10th Oct 20254111 AMAQI
10th Oct 20255812 PMAQI
10th Oct 2025581 PMAQI
10th Oct 2025562 PMAQI
10th Oct 2025393 PMAQI
10th Oct 2025384 PMAQI
10th Oct 2025415 PMAQI
10th Oct 2025456 PMAQI
10th Oct 2025517 PMAQI
10th Oct 2025458 PMAQI
10th Oct 2025459 PMAQI
10th Oct 20254810 PMAQI
10th Oct 20254311 PMAQI
11th Oct 20254212 AMAQI
11th Oct 2025451 AMAQI
11th Oct 2025432 AMAQI
11th Oct 2025403 AMAQI
11th Oct 2025464 AMAQI
11th Oct 2025435 AMAQI

17°C16/17°C

11th Oct 2025426 AMAQI
11th Oct 2025397 AMAQI
11th Oct 2025418 AMAQI
11th Oct 2025149 AMAQI
11th Oct 20253110 AMAQI
11th Oct 20255411 AMAQI
11th Oct 20255712 PMAQI
11th Oct 2025581 PMAQI
11th Oct 2025572 PMAQI
11th Oct 2025513 PMAQI
11th Oct 2025444 PMAQI
11th Oct 2025395 PMAQI
11th Oct 2025346 PMAQI
11th Oct 2025377 PMAQI
11th Oct 2025378 PMAQI
11th Oct 2025329 PMAQI
11th Oct 20253610 PMAQI
11th Oct 20254011 PMAQI
12th Oct 20255412 AMAQI
12th Oct 2025551 AMAQI
12th Oct 2025552 AMAQI
12th Oct 2025413 AMAQI
12th Oct 2025384 AMAQI
12th Oct 2025435 AMAQI

19°C17/24°C

12th Oct 2025546 AMAQI
12th Oct 2025587 AMAQI
12th Oct 2025238 AMAQI
12th Oct 2025129 AMAQI
12th Oct 20254210 AMAQI
12th Oct 20252611 AMAQI
12th Oct 20253212 PMAQI
12th Oct 2025401 PMAQI
12th Oct 2025432 PMAQI
12th Oct 2025563 PMAQI
12th Oct 2025424 PMAQI
12th Oct 2025145 PMAQI
12th Oct 2025236 PMAQI
12th Oct 2025147 PMAQI
12th Oct 2025148 PMAQI
12th Oct 2025249 PMAQI
12th Oct 20252210 PMAQI
12th Oct 20251411 PMAQI
13th Oct 20253812 AMAQI
13th Oct 2025481 AMAQI
13th Oct 2025502 AMAQI
13th Oct 2025193 AMAQI
13th Oct 2025424 AMAQI
13th Oct 2025415 AMAQI

19°C17/21°C

13th Oct 2025376 AMAQI
13th Oct 2025397 AMAQI
13th Oct 2025188 AMAQI
13th Oct 2025269 AMAQI
13th Oct 20252910 AMAQI
13th Oct 20252711 AMAQI
13th Oct 20252712 PMAQI
13th Oct 2025261 PMAQI
13th Oct 2025242 PMAQI
13th Oct 2025243 PMAQI
13th Oct 2025244 PMAQI
13th Oct 2025245 PMAQI
13th Oct 2025276 PMAQI
13th Oct 2025447 PMAQI
13th Oct 2025488 PMAQI
13th Oct 2025369 PMAQI
13th Oct 20253010 PMAQI
13th Oct 20253011 PMAQI
14th Oct 20253012 AMAQI
14th Oct 2025281 AMAQI
14th Oct 2025292 AMAQI
14th Oct 2025343 AMAQI
14th Oct 2025324 AMAQI
14th Oct 2025485 AMAQI

16°C14/17°C

14th Oct 2025566 AMAQI
6 AM
14th Oct 2025457 AMAQI
14th Oct 2025438 AMAQI
14th Oct 2025449 AMAQI
14th Oct 20254610 AMAQI
14th Oct 20254211 AMAQI
14th Oct 20254612 PMAQI
12 PM
14th Oct 2025421 PMAQI
14th Oct 2025442 PMAQI
14th Oct 2025463 PMAQI
14th Oct 2025454 PMAQI
14th Oct 2025425 PMAQI
14th Oct 2025426 PMAQI
6 PM
14th Oct 2025427 PMAQI
14th Oct 2025428 PMAQI
14th Oct 2025429 PMAQI
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 7 AM

41AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
9 AM

35AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 41), while the lowest AQI was between 9 AM to 9 AM (Avg. 35).
Night time
Avg. Highest Time
12 AM - 11 PM

41AQI

11 hours / Day
330 hours / Month
Avg. Lowest Time
12 AM - 8 PM

41AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 41), while the lowest AQI was between 12 AM to 8 PM (Avg. 41).

2025 Days Vs Air Quality

Source Dong, Anyang, Gyeonggi, South Korea

2025

33%

93

63%

179

5%

14

Total number of days with different AQI categories in last 287 days in 2025 (78 days remaining)

Good
93 Days
Moderate
179 Days
Poor
14 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 287 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

Source Dong, Anyang, 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.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
78AQI
2nd January 2025
55AQI
3rd January 2025
61AQI
4th January 2025
59AQI
5th January 2025
71AQI
6th January 2025
102AQI
7th January 2025
58AQI
8th January 2025
74AQI
9th January 2025
45AQI
10th January 2025
56AQI
11th January 2025
60AQI
12th January 2025
74AQI
13th January 2025
87AQI
14th January 2025
97AQI
15th January 2025
56AQI
16th January 2025
74AQI
17th January 2025
80AQI
18th January 2025
76AQI
19th January 2025
83AQI
20th January 2025
131AQI
21st January 2025
138AQI
22nd January 2025
149AQI
23rd January 2025
112AQI
24th January 2025
100AQI
25th January 2025
60AQI
26th January 2025
51AQI
27th January 2025
63AQI
28th January 2025
56AQI
29th January 2025
56AQI
30th January 2025
46AQI
31st January 2025
71AQI
1st February 2025
77AQI
2nd February 2025
80AQI
3rd February 2025
52AQI
4th February 2025
49AQI
5th February 2025
41AQI
6th February 2025
52AQI
7th February 2025
44AQI
8th February 2025
40AQI
9th February 2025
44AQI
10th February 2025
54AQI
11th February 2025
69AQI
12th February 2025
73AQI
13th February 2025
49AQI
14th February 2025
91AQI
15th February 2025
57AQI
16th February 2025
110AQI
17th February 2025
51AQI
18th February 2025
59AQI
19th February 2025
46AQI
20th February 2025
52AQI
21st February 2025
52AQI
22nd February 2025
54AQI
23rd February 2025
51AQI
24th February 2025
56AQI
25th February 2025
56AQI
26th February 2025
70AQI
27th February 2025
57AQI
28th February 2025
76AQI
1st March 2025
99AQI
2nd March 2025
74AQI
3rd March 2025
55AQI
4th March 2025
45AQI
5th March 2025
36AQI
6th March 2025
72AQI
7th March 2025
95AQI
8th March 2025
88AQI
9th March 2025
107AQI
10th March 2025
117AQI
11th March 2025
113AQI
12th March 2025
99AQI
13th March 2025
97AQI
14th March 2025
75AQI
15th March 2025
61AQI
16th March 2025
76AQI
17th March 2025
65AQI
18th March 2025
73AQI
19th March 2025
78AQI
20th March 2025
93AQI
21st March 2025
108AQI
22nd March 2025
113AQI
23rd March 2025
115AQI
24th March 2025
125AQI
25th March 2025
132AQI
26th March 2025
96AQI
27th March 2025
98AQI
28th March 2025
58AQI
29th March 2025
49AQI
30th March 2025
44AQI
31st March 2025
61AQI
1st April 2025
81AQI
2nd April 2025
83AQI
3rd April 2025
79AQI
4th April 2025
74AQI
5th April 2025
67AQI
6th April 2025
70AQI
7th April 2025
76AQI
8th April 2025
83AQI
9th April 2025
74AQI
10th April 2025
83AQI
11th April 2025
95AQI
12th April 2025
67AQI
13th April 2025
65AQI
14th April 2025
48AQI
15th April 2025
59AQI
16th April 2025
67AQI
17th April 2025
73AQI
18th April 2025
91AQI
19th April 2025
58AQI
20th April 2025
69AQI
21st April 2025
55AQI
22nd April 2025
48AQI
23rd April 2025
37AQI
24th April 2025
68AQI
25th April 2025
58AQI
26th April 2025
58AQI
27th April 2025
44AQI
28th April 2025
64AQI
29th April 2025
65AQI
30th April 2025
64AQI
1st May 2025
59AQI
2nd May 2025
54AQI
3rd May 2025
49AQI
4th May 2025
49AQI
5th May 2025
53AQI
6th May 2025
38AQI
7th May 2025
55AQI
8th May 2025
67AQI
9th May 2025
49AQI
10th May 2025
61AQI
11th May 2025
74AQI
12th May 2025
76AQI
13th May 2025
75AQI
14th May 2025
74AQI
15th May 2025
73AQI
16th May 2025
57AQI
17th May 2025
54AQI
18th May 2025
59AQI
19th May 2025
61AQI
20th May 2025
43AQI
21st May 2025
46AQI
22nd May 2025
50AQI
23rd May 2025
65AQI
24th May 2025
47AQI
25th May 2025
50AQI
26th May 2025
66AQI
27th May 2025
81AQI
28th May 2025
90AQI
29th May 2025
81AQI
30th May 2025
80AQI
31st May 2025
88AQI
1st June 2025
89AQI
2nd June 2025
97AQI
3rd June 2025
78AQI
4th June 2025
56AQI
5th June 2025
61AQI
6th June 2025
59AQI
7th June 2025
69AQI
8th June 2025
56AQI
9th June 2025
64AQI
10th June 2025
55AQI
11th June 2025
56AQI
12th June 2025
61AQI
13th June 2025
75AQI
14th June 2025
60AQI
15th June 2025
61AQI
16th June 2025
66AQI
17th June 2025
68AQI
18th June 2025
71AQI
19th June 2025
65AQI
20th June 2025
54AQI
21st June 2025
59AQI
22nd June 2025
64AQI
23rd June 2025
69AQI
24th June 2025
63AQI
25th June 2025
56AQI
26th June 2025
57AQI
27th June 2025
65AQI
28th June 2025
65AQI
29th June 2025
54AQI
30th June 2025
52AQI
1st July 2025
47AQI
2nd July 2025
47AQI
3rd July 2025
52AQI
4th July 2025
51AQI
5th July 2025
50AQI
6th July 2025
52AQI
7th July 2025
63AQI
8th July 2025
63AQI
9th July 2025
55AQI
10th July 2025
52AQI
11th July 2025
50AQI
12th July 2025
47AQI
13th July 2025
58AQI
14th July 2025
55AQI
15th July 2025
47AQI
16th July 2025
52AQI
17th July 2025
42AQI
18th July 2025
45AQI
19th July 2025
39AQI
20th July 2025
41AQI
21st July 2025
43AQI
22nd July 2025
39AQI
23rd July 2025
41AQI
24th July 2025
45AQI
25th July 2025
54AQI
26th July 2025
48AQI
27th July 2025
47AQI
28th July 2025
62AQI
29th July 2025
65AQI
30th July 2025
60AQI
31st July 2025
60AQI
1st August 2025
59AQI
2nd August 2025
61AQI
3rd August 2025
61AQI
4th August 2025
50AQI
5th August 2025
51AQI
6th August 2025
46AQI
7th August 2025
50AQI
8th August 2025
55AQI
9th August 2025
55AQI
10th August 2025
54AQI
11th August 2025
56AQI
12th August 2025
53AQI
13th August 2025
40AQI
14th August 2025
45AQI
15th August 2025
42AQI
16th August 2025
38AQI
17th August 2025
41AQI
18th August 2025
51AQI
19th August 2025
46AQI
20th August 2025
46AQI
21st August 2025
47AQI
22nd August 2025
47AQI
23rd August 2025
50AQI
24th August 2025
54AQI
25th August 2025
50AQI
26th August 2025
44AQI
27th August 2025
51AQI
28th August 2025
53AQI
29th August 2025
47AQI
30th August 2025
46AQI
31st August 2025
49AQI
1st September 2025
43AQI
2nd September 2025
50AQI
3rd September 2025
52AQI
4th September 2025
41AQI
5th September 2025
36AQI
6th September 2025
40AQI
7th September 2025
38AQI
8th September 2025
46AQI
9th September 2025
54AQI
10th September 2025
50AQI
11th September 2025
51AQI
12th September 2025
49AQI
13th September 2025
42AQI
14th September 2025
43AQI
15th September 2025
45AQI
16th September 2025
43AQI
17th September 2025
35AQI
18th September 2025
29AQI
19th September 2025
29AQI
20th September 2025
26AQI
21st September 2025
24AQI
22nd September 2025
24AQI
23rd September 2025
26AQI
24th September 2025
27AQI
25th September 2025
39AQI
26th September 2025
59AQI
27th September 2025
51AQI
28th September 2025
37AQI
29th September 2025
52AQI
30th September 2025
57AQI
1st October 2025
69AQI
2nd October 2025
57AQI
3rd October 2025
63AQI
4th October 2025
38AQI
5th October 2025
37AQI
6th October 2025
39AQI
7th October 2025
39AQI
8th October 2025
40AQI
9th October 2025
46AQI
10th October 2025
39AQI
11th October 2025
41AQI
12th October 2025
37AQI
13th October 2025
32AQI
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

77AQI

59AQI

84AQI

67AQI

62AQI

64AQI

51AQI

50AQI

41AQI

44AQI

No. of days

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

202561AQI

2
24
5
7
20
1
4
19
8
4
26
9
22
30
16
15
18
13
23
7
10
3
93
179
14

Highest AQI recorded in

March

84AQI

Lowest AQI recorded in

September

41AQI

202465AQI

11
15
5
9
15
4
1
7
21
2
1
2
24
4
6
23
2
3
26
1
19
11
1
5
26
16
14
10
21
7
22
1
3
28
98
246
20
2

Highest AQI recorded in

April

76AQI

Lowest AQI recorded in

July

52AQI

202365AQI

8
16
6
1
2
20
3
3
3
14
14
3
22
4
1
13
17
1
10
20
20
10
1
16
15
17
12
1
11
18
2
13
14
2
12
15
4
128
193
38
5

Highest AQI recorded in

March

95AQI

Lowest AQI recorded in

July

46AQI

202265AQI

7
18
4
1
5
11
5
9
16
6
6
17
1
8
21
2
10
19
1
3
20
1
16
10
2
17
11
3
11
13
5
1
9
21
1
102
177
30
2

Highest AQI recorded in

February

78AQI

Lowest AQI recorded in

August

27AQI

202162AQI

17
14
11
10
5
2
4
19
6
1
1
8
21
1
8
17
4
1
1
1
21
8
16
15
20
11
27
3
22
9
10
16
2
2
12
15
4
156
171
30
5
2
1

Highest AQI recorded in

March

91AQI

Lowest AQI recorded in

September

30AQI

202062AQI

2
9
1
4
17
3
14
1
3
24
3
18
12
1
23
8
14
16
7
19
5
11
12
7
16
9
5
1
101
140
23
1

Highest AQI recorded in

June

76AQI

Lowest AQI recorded in

August

37AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
65AQI
Least Polluted Year Recorded
2025(Avg.)
61AQI

Source Dong's annual 2025 AQI (61) shows an average percentage change of -4.2% (improved AQI) compared to previous years: 2020 (62), 2021 (62), 2022 (65), 2023 (65), 2024 (65).