Sihwa, Ansan, 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
Sihwa, Ansan, Gyeonggi, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Aug 2021
93AQILowest AQI recorded on
9th Aug 2023
17AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 62 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Sihwa, Ansan, Gyeonggi, South Korea
AQI
Day
Night
.
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
1PM2nd Aug
86AQI
Avg. Lowest Time
8AM2nd Aug
55AQI
Night time
Avg. Highest Time
10PM2nd Aug
62AQI
Avg. Lowest Time
1AM3rd Aug
54AQI
In the last 24 hours,
Sihwa's AQI reached its highest point of 86 at 1 PM during the Day, while the lowest point, 54, was recorded at 1 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sihwa, Ansan, Gyeonggi, South Korea
JulAug
04th - 05th05th - 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
Day
Night
4th Jul 2025545 AMAQI
4th Jul 2025556 AMAQI
4th Jul 2025557 AMAQI
4th Jul 2025548 AMAQI
4th Jul 2025589 AMAQI
4th Jul 20256010 AMAQI
4th Jul 20256111 AMAQI
4th Jul 20256412 PMAQI
4th Jul 2025571 PMAQI
4th Jul 2025552 PMAQI
4th Jul 2025553 PMAQI
4th Jul 2025544 PMAQI
4th Jul 2025565 PMAQI
4th Jul 2025566 PMAQI
4th Jul 2025547 PMAQI
4th Jul 2025548 PMAQI
4th Jul 2025549 PMAQI
4th Jul 20255410 PMAQI
4th Jul 20255311 PMAQI
5th Jul 20255412 AMAQI
5th Jul 2025541 AMAQI
5th Jul 2025542 AMAQI
5th Jul 2025533 AMAQI
5th Jul 2025534 AMAQI
24°C23/26°C
5th Jul 2025545 AMAQI
5th Jul 2025546 AMAQI
5th Jul 2025547 AMAQI
5th Jul 2025548 AMAQI
5th Jul 2025449 AMAQI
5th Jul 20254110 AMAQI
5th Jul 20254411 AMAQI
5th Jul 20254712 PMAQI
5th Jul 2025501 PMAQI
5th Jul 2025532 PMAQI
5th Jul 2025513 PMAQI
5th Jul 2025514 PMAQI
5th Jul 2025525 PMAQI
5th Jul 2025526 PMAQI
5th Jul 2025547 PMAQI
5th Jul 2025528 PMAQI
5th Jul 2025539 PMAQI
5th Jul 20255310 PMAQI
5th Jul 20255411 PMAQI
6th Jul 20255412 AMAQI
6th Jul 2025541 AMAQI
6th Jul 2025542 AMAQI
6th Jul 2025543 AMAQI
6th Jul 2025544 AMAQI
25°C23/27°C
6th Jul 2025545 AMAQI
6th Jul 2025546 AMAQI
6th Jul 2025547 AMAQI
6th Jul 2025548 AMAQI
6th Jul 2025579 AMAQI
6th Jul 20256110 AMAQI
6th Jul 20256011 AMAQI
6th Jul 20255812 PMAQI
6th Jul 2025551 PMAQI
6th Jul 2025562 PMAQI
6th Jul 2025583 PMAQI
6th Jul 2025584 PMAQI
6th Jul 2025565 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025527 PMAQI
6th Jul 2025528 PMAQI
6th Jul 2025539 PMAQI
6th Jul 20255410 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025541 AMAQI
7th Jul 2025542 AMAQI
7th Jul 2025543 AMAQI
7th Jul 2025544 AMAQI
25°C23/28°C
7th Jul 2025545 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025689 AMAQI
7th Jul 20258810 AMAQI
7th Jul 20259411 AMAQI
7th Jul 20259812 PMAQI
7th Jul 2025941 PMAQI
7th Jul 2025972 PMAQI
7th Jul 2025963 PMAQI
7th Jul 2025904 PMAQI
7th Jul 2025845 PMAQI
7th Jul 2025786 PMAQI
7th Jul 2025707 PMAQI
7th Jul 2025668 PMAQI
7th Jul 2025589 PMAQI
7th Jul 20255810 PMAQI
7th Jul 20255811 PMAQI
8th Jul 20255912 AMAQI
8th Jul 2025581 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025543 AMAQI
8th Jul 2025554 AMAQI
26°C24/28°C
8th Jul 2025565 AMAQI
8th Jul 2025566 AMAQI
8th Jul 2025567 AMAQI
8th Jul 2025568 AMAQI
8th Jul 20251089 AMAQI
8th Jul 202511610 AMAQI
8th Jul 202510011 AMAQI
8th Jul 20259612 PMAQI
8th Jul 2025841 PMAQI
8th Jul 2025852 PMAQI
8th Jul 2025843 PMAQI
8th Jul 2025824 PMAQI
8th Jul 2025845 PMAQI
8th Jul 2025816 PMAQI
8th Jul 2025827 PMAQI
8th Jul 2025798 PMAQI
8th Jul 2025629 PMAQI
8th Jul 20255710 PMAQI
8th Jul 20255611 PMAQI
9th Jul 20255712 AMAQI
9th Jul 2025571 AMAQI
9th Jul 2025572 AMAQI
9th Jul 2025573 AMAQI
9th Jul 2025584 AMAQI
28°C25/32°C
9th Jul 2025605 AMAQI
9th Jul 2025596 AMAQI
9th Jul 2025607 AMAQI
9th Jul 2025608 AMAQI
9th Jul 2025629 AMAQI
9th Jul 20256110 AMAQI
9th Jul 20256011 AMAQI
9th Jul 20255812 PMAQI
9th Jul 2025601 PMAQI
9th Jul 2025612 PMAQI
9th Jul 2025613 PMAQI
9th Jul 2025624 PMAQI
9th Jul 2025645 PMAQI
9th Jul 2025646 PMAQI
9th Jul 2025657 PMAQI
9th Jul 2025728 PMAQI
9th Jul 2025609 PMAQI
9th Jul 20256010 PMAQI
9th Jul 20256011 PMAQI
10th Jul 20256012 AMAQI
10th Jul 2025621 AMAQI
10th Jul 2025622 AMAQI
10th Jul 2025593 AMAQI
10th Jul 2025584 AMAQI
28°C26/31°C
10th Jul 2025585 AMAQI
10th Jul 2025586 AMAQI
10th Jul 2025597 AMAQI
10th Jul 2025598 AMAQI
10th Jul 2025509 AMAQI
10th Jul 20254310 AMAQI
10th Jul 20254411 AMAQI
10th Jul 20254412 PMAQI
10th Jul 2025551 PMAQI
10th Jul 2025552 PMAQI
10th Jul 2025543 PMAQI
10th Jul 2025564 PMAQI
10th Jul 2025565 PMAQI
10th Jul 2025566 PMAQI
10th Jul 2025577 PMAQI
10th Jul 2025588 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255511 PMAQI
11th Jul 20255512 AMAQI
11th Jul 2025591 AMAQI
11th Jul 2025592 AMAQI
11th Jul 2025593 AMAQI
11th Jul 2025594 AMAQI
28°C26/31°C
11th Jul 2025585 AMAQI
11th Jul 2025606 AMAQI
11th Jul 2025617 AMAQI
11th Jul 2025618 AMAQI
11th Jul 2025519 AMAQI
11th Jul 20254310 AMAQI
11th Jul 20253611 AMAQI
11th Jul 20254012 PMAQI
11th Jul 2025491 PMAQI
11th Jul 2025492 PMAQI
11th Jul 2025503 PMAQI
11th Jul 2025514 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025496 PMAQI
11th Jul 2025507 PMAQI
11th Jul 2025518 PMAQI
11th Jul 2025559 PMAQI
11th Jul 20255710 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255712 AMAQI
12th Jul 2025571 AMAQI
12th Jul 2025572 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025574 AMAQI
28°C24/31°C
12th Jul 2025565 AMAQI
12th Jul 2025556 AMAQI
12th Jul 2025557 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20253310 AMAQI
12th Jul 20253411 AMAQI
12th Jul 20253412 PMAQI
12th Jul 2025491 PMAQI
12th Jul 2025512 PMAQI
12th Jul 2025503 PMAQI
12th Jul 2025504 PMAQI
12th Jul 2025515 PMAQI
12th Jul 2025536 PMAQI
12th Jul 2025587 PMAQI
12th Jul 2025608 PMAQI
12th Jul 2025579 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255712 AMAQI
13th Jul 2025571 AMAQI
13th Jul 2025572 AMAQI
13th Jul 2025573 AMAQI
13th Jul 2025574 AMAQI
27°C24/31°C
13th Jul 2025565 AMAQI
13th Jul 2025566 AMAQI
13th Jul 2025567 AMAQI
13th Jul 2025568 AMAQI
13th Jul 2025719 AMAQI
13th Jul 20258610 AMAQI
13th Jul 20258511 AMAQI
13th Jul 20257512 PMAQI
13th Jul 2025681 PMAQI
13th Jul 2025682 PMAQI
13th Jul 2025703 PMAQI
13th Jul 2025704 PMAQI
13th Jul 2025685 PMAQI
13th Jul 2025666 PMAQI
13th Jul 2025657 PMAQI
13th Jul 2025678 PMAQI
13th Jul 2025589 PMAQI
13th Jul 20255810 PMAQI
13th Jul 20255811 PMAQI
14th Jul 20255912 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025563 AMAQI
14th Jul 2025564 AMAQI
25°C24/26°C
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025699 AMAQI
14th Jul 20257510 AMAQI
14th Jul 20257811 AMAQI
14th Jul 20257812 PMAQI
14th Jul 2025761 PMAQI
14th Jul 2025672 PMAQI
14th Jul 2025633 PMAQI
14th Jul 2025554 PMAQI
14th Jul 2025515 PMAQI
14th Jul 2025496 PMAQI
14th Jul 2025457 PMAQI
14th Jul 2025478 PMAQI
14th Jul 2025569 PMAQI
14th Jul 20255510 PMAQI
14th Jul 20255611 PMAQI
15th Jul 20255612 AMAQI
15th Jul 2025571 AMAQI
15th Jul 2025582 AMAQI
15th Jul 2025583 AMAQI
15th Jul 2025584 AMAQI
23°C20/26°C
15th Jul 2025595 AMAQI
15th Jul 2025586 AMAQI
15th Jul 2025597 AMAQI
15th Jul 2025598 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20251410 AMAQI
15th Jul 20252211 AMAQI
15th Jul 20252812 PMAQI
15th Jul 2025481 PMAQI
15th Jul 2025492 PMAQI
15th Jul 2025503 PMAQI
15th Jul 2025494 PMAQI
15th Jul 2025505 PMAQI
15th Jul 2025466 PMAQI
15th Jul 2025427 PMAQI
15th Jul 2025428 PMAQI
15th Jul 2025559 PMAQI
15th Jul 20255510 PMAQI
15th Jul 20255611 PMAQI
16th Jul 20255512 AMAQI
16th Jul 2025571 AMAQI
16th Jul 2025572 AMAQI
16th Jul 2025573 AMAQI
16th Jul 2025574 AMAQI
23°C21/25°C
16th Jul 2025565 AMAQI
16th Jul 2025566 AMAQI
16th Jul 2025567 AMAQI
16th Jul 2025568 AMAQI
16th Jul 2025669 AMAQI
16th Jul 20256910 AMAQI
16th Jul 20256811 AMAQI
16th Jul 20256612 PMAQI
16th Jul 2025601 PMAQI
16th Jul 2025562 PMAQI
16th Jul 2025573 PMAQI
16th Jul 2025594 PMAQI
16th Jul 2025575 PMAQI
16th Jul 2025556 PMAQI
16th Jul 2025547 PMAQI
16th Jul 2025528 PMAQI
16th Jul 2025559 PMAQI
16th Jul 20255410 PMAQI
16th Jul 20255511 PMAQI
17th Jul 20255612 AMAQI
17th Jul 2025561 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025563 AMAQI
17th Jul 2025564 AMAQI
23°C22/24°C
17th Jul 2025565 AMAQI
17th Jul 2025566 AMAQI
17th Jul 2025567 AMAQI
17th Jul 2025568 AMAQI
17th Jul 2025339 AMAQI
17th Jul 20252610 AMAQI
17th Jul 20252711 AMAQI
17th Jul 20253612 PMAQI
17th Jul 2025441 PMAQI
17th Jul 2025452 PMAQI
17th Jul 2025443 PMAQI
17th Jul 2025464 PMAQI
17th Jul 2025385 PMAQI
17th Jul 2025416 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025388 PMAQI
17th Jul 2025539 PMAQI
17th Jul 20255310 PMAQI
17th Jul 20255311 PMAQI
18th Jul 20255312 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025552 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025554 AMAQI
24°C23/25°C
18th Jul 2025545 AMAQI
18th Jul 2025546 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025558 AMAQI
18th Jul 2025409 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253411 AMAQI
18th Jul 20254612 PMAQI
18th Jul 2025461 PMAQI
18th Jul 2025472 PMAQI
18th Jul 2025483 PMAQI
18th Jul 2025434 PMAQI
18th Jul 2025485 PMAQI
18th Jul 2025526 PMAQI
18th Jul 2025537 PMAQI
18th Jul 2025508 PMAQI
18th Jul 2025549 PMAQI
18th Jul 20255410 PMAQI
18th Jul 20255411 PMAQI
19th Jul 20255412 AMAQI
19th Jul 2025541 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025543 AMAQI
19th Jul 2025544 AMAQI
24°C23/25°C
19th Jul 2025525 AMAQI
19th Jul 2025536 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025538 AMAQI
19th Jul 2025239 AMAQI
19th Jul 20251310 AMAQI
19th Jul 20251611 AMAQI
19th Jul 20252012 PMAQI
19th Jul 2025331 PMAQI
19th Jul 2025362 PMAQI
19th Jul 2025353 PMAQI
19th Jul 2025364 PMAQI
19th Jul 2025365 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025407 PMAQI
19th Jul 2025428 PMAQI
19th Jul 2025529 PMAQI
19th Jul 20255210 PMAQI
19th Jul 20254911 PMAQI
20th Jul 20255012 AMAQI
20th Jul 2025531 AMAQI
20th Jul 2025532 AMAQI
20th Jul 2025543 AMAQI
20th Jul 2025534 AMAQI
24°C23/27°C
20th Jul 2025525 AMAQI
20th Jul 2025526 AMAQI
20th Jul 2025527 AMAQI
20th Jul 2025528 AMAQI
20th Jul 2025409 AMAQI
20th Jul 20253210 AMAQI
20th Jul 20253511 AMAQI
20th Jul 20253612 PMAQI
20th Jul 2025421 PMAQI
20th Jul 2025412 PMAQI
20th Jul 2025403 PMAQI
20th Jul 2025404 PMAQI
20th Jul 2025455 PMAQI
20th Jul 2025446 PMAQI
20th Jul 2025437 PMAQI
20th Jul 2025488 PMAQI
20th Jul 2025519 PMAQI
20th Jul 20255010 PMAQI
20th Jul 20255211 PMAQI
21st Jul 20255212 AMAQI
21st Jul 2025521 AMAQI
21st Jul 2025522 AMAQI
21st Jul 2025523 AMAQI
21st Jul 2025524 AMAQI
26°C24/28°C
21st Jul 2025515 AMAQI
21st Jul 2025516 AMAQI
21st Jul 2025527 AMAQI
21st Jul 2025518 AMAQI
21st Jul 2025579 AMAQI
21st Jul 20255410 AMAQI
21st Jul 20254711 AMAQI
21st Jul 20254812 PMAQI
21st Jul 2025461 PMAQI
21st Jul 2025422 PMAQI
21st Jul 2025433 PMAQI
21st Jul 2025384 PMAQI
21st Jul 2025385 PMAQI
21st Jul 2025376 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025408 PMAQI
21st Jul 2025489 PMAQI
21st Jul 20254610 PMAQI
21st Jul 20254711 PMAQI
22nd Jul 20254712 AMAQI
22nd Jul 2025511 AMAQI
22nd Jul 2025502 AMAQI
22nd Jul 2025513 AMAQI
22nd Jul 2025524 AMAQI
26°C25/28°C
22nd Jul 2025525 AMAQI
22nd Jul 2025516 AMAQI
22nd Jul 2025527 AMAQI
22nd Jul 2025528 AMAQI
22nd Jul 2025349 AMAQI
22nd Jul 20254010 AMAQI
22nd Jul 20255011 AMAQI
22nd Jul 20254712 PMAQI
22nd Jul 2025501 PMAQI
22nd Jul 2025482 PMAQI
22nd Jul 2025483 PMAQI
22nd Jul 2025414 PMAQI
22nd Jul 2025405 PMAQI
22nd Jul 2025426 PMAQI
22nd Jul 2025427 PMAQI
22nd Jul 2025438 PMAQI
22nd Jul 2025469 PMAQI
22nd Jul 20254510 PMAQI
22nd Jul 20254511 PMAQI
23rd Jul 20254612 AMAQI
23rd Jul 2025481 AMAQI
23rd Jul 2025492 AMAQI
23rd Jul 2025503 AMAQI
23rd Jul 2025504 AMAQI
26°C25/28°C
23rd Jul 2025495 AMAQI
23rd Jul 2025506 AMAQI
23rd Jul 2025487 AMAQI
23rd Jul 2025498 AMAQI
23rd Jul 2025449 AMAQI
23rd Jul 20253810 AMAQI
23rd Jul 20254611 AMAQI
23rd Jul 20256012 PMAQI
23rd Jul 2025601 PMAQI
23rd Jul 2025572 PMAQI
23rd Jul 2025563 PMAQI
23rd Jul 2025554 PMAQI
23rd Jul 2025545 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025527 PMAQI
23rd Jul 2025438 PMAQI
23rd Jul 2025469 PMAQI
23rd Jul 20254610 PMAQI
23rd Jul 20254611 PMAQI
24th Jul 20254812 AMAQI
24th Jul 2025481 AMAQI
24th Jul 2025492 AMAQI
24th Jul 2025483 AMAQI
24th Jul 2025494 AMAQI
27°C25/29°C
24th Jul 2025505 AMAQI
24th Jul 2025516 AMAQI
24th Jul 2025507 AMAQI
24th Jul 2025518 AMAQI
24th Jul 2025389 AMAQI
24th Jul 20253810 AMAQI
24th Jul 20253711 AMAQI
24th Jul 20253812 PMAQI
24th Jul 2025491 PMAQI
24th Jul 2025612 PMAQI
24th Jul 2025623 PMAQI
24th Jul 2025594 PMAQI
24th Jul 2025585 PMAQI
24th Jul 2025616 PMAQI
24th Jul 2025587 PMAQI
24th Jul 2025588 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025503 AMAQI
25th Jul 2025504 AMAQI
27°C25/29°C
25th Jul 2025515 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025709 AMAQI
25th Jul 20258510 AMAQI
25th Jul 20257211 AMAQI
25th Jul 20257312 PMAQI
25th Jul 2025741 PMAQI
25th Jul 2025802 PMAQI
25th Jul 2025863 PMAQI
25th Jul 2025864 PMAQI
25th Jul 2025825 PMAQI
25th Jul 2025786 PMAQI
25th Jul 2025767 PMAQI
25th Jul 2025668 PMAQI
25th Jul 2025589 PMAQI
25th Jul 20255810 PMAQI
25th Jul 20255811 PMAQI
26th Jul 20255912 AMAQI
26th Jul 2025531 AMAQI
26th Jul 2025532 AMAQI
26th Jul 2025533 AMAQI
26th Jul 2025544 AMAQI
28°C26/31°C
26th Jul 2025565 AMAQI
26th Jul 2025566 AMAQI
26th Jul 2025567 AMAQI
26th Jul 2025568 AMAQI
26th Jul 2025589 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20254611 AMAQI
26th Jul 20254812 PMAQI
26th Jul 2025551 PMAQI
26th Jul 2025542 PMAQI
26th Jul 2025573 PMAQI
26th Jul 2025614 PMAQI
26th Jul 2025655 PMAQI
26th Jul 2025656 PMAQI
26th Jul 2025727 PMAQI
26th Jul 2025728 PMAQI
26th Jul 2025629 PMAQI
26th Jul 20256210 PMAQI
26th Jul 20256211 PMAQI
27th Jul 20256212 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025562 AMAQI
27th Jul 2025563 AMAQI
27th Jul 2025564 AMAQI
29°C27/31°C
27th Jul 2025555 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025567 AMAQI
27th Jul 2025558 AMAQI
27th Jul 2025539 AMAQI
27th Jul 20254410 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252812 PMAQI
27th Jul 2025461 PMAQI
27th Jul 2025462 PMAQI
27th Jul 2025453 PMAQI
27th Jul 2025504 PMAQI
27th Jul 2025535 PMAQI
27th Jul 2025556 PMAQI
27th Jul 2025647 PMAQI
27th Jul 2025668 PMAQI
27th Jul 2025639 PMAQI
27th Jul 20256210 PMAQI
27th Jul 20256311 PMAQI
28th Jul 20256412 AMAQI
28th Jul 2025571 AMAQI
28th Jul 2025582 AMAQI
28th Jul 2025583 AMAQI
28th Jul 2025584 AMAQI
29°C28/31°C
28th Jul 2025565 AMAQI
28th Jul 2025566 AMAQI
28th Jul 2025557 AMAQI
28th Jul 2025568 AMAQI
28th Jul 2025869 AMAQI
28th Jul 20259410 AMAQI
28th Jul 20259111 AMAQI
28th Jul 20258012 PMAQI
28th Jul 2025721 PMAQI
28th Jul 2025682 PMAQI
28th Jul 2025713 PMAQI
28th Jul 2025764 PMAQI
28th Jul 2025795 PMAQI
28th Jul 2025806 PMAQI
28th Jul 2025787 PMAQI
28th Jul 2025718 PMAQI
28th Jul 2025639 PMAQI
28th Jul 20256010 PMAQI
28th Jul 20256011 PMAQI
29th Jul 20255912 AMAQI
29th Jul 2025591 AMAQI
29th Jul 2025582 AMAQI
29th Jul 2025593 AMAQI
29th Jul 2025604 AMAQI
28°C26/30°C
29th Jul 2025635 AMAQI
29th Jul 2025636 AMAQI
29th Jul 2025627 AMAQI
29th Jul 2025628 AMAQI
29th Jul 2025799 AMAQI
29th Jul 20258310 AMAQI
29th Jul 20258711 AMAQI
29th Jul 20259412 PMAQI
29th Jul 2025861 PMAQI
29th Jul 2025882 PMAQI
29th Jul 2025853 PMAQI
29th Jul 2025784 PMAQI
29th Jul 2025785 PMAQI
29th Jul 2025716 PMAQI
29th Jul 2025767 PMAQI
29th Jul 2025718 PMAQI
29th Jul 2025619 PMAQI
29th Jul 20256110 PMAQI
29th Jul 20256211 PMAQI
30th Jul 20256212 AMAQI
30th Jul 2025591 AMAQI
30th Jul 2025592 AMAQI
30th Jul 2025603 AMAQI
30th Jul 2025604 AMAQI
28°C27/30°C
30th Jul 2025625 AMAQI
30th Jul 2025626 AMAQI
30th Jul 2025627 AMAQI
30th Jul 2025628 AMAQI
30th Jul 2025809 AMAQI
30th Jul 20258110 AMAQI
30th Jul 20258411 AMAQI
30th Jul 20258612 PMAQI
30th Jul 2025821 PMAQI
30th Jul 2025812 PMAQI
30th Jul 2025843 PMAQI
30th Jul 2025854 PMAQI
30th Jul 2025855 PMAQI
30th Jul 2025866 PMAQI
30th Jul 2025857 PMAQI
30th Jul 2025738 PMAQI
30th Jul 2025649 PMAQI
30th Jul 20256210 PMAQI
30th Jul 20256311 PMAQI
31st Jul 20256312 AMAQI
31st Jul 2025611 AMAQI
31st Jul 2025612 AMAQI
31st Jul 2025613 AMAQI
31st Jul 2025614 AMAQI
29°C26/31°C
31st Jul 2025615 AMAQI
31st Jul 2025616 AMAQI
31st Jul 2025617 AMAQI
31st Jul 2025618 AMAQI
31st Jul 2025619 AMAQI
31st Jul 20256110 AMAQI
31st Jul 20256911 AMAQI
31st Jul 20257212 PMAQI
31st Jul 2025711 PMAQI
31st Jul 2025752 PMAQI
31st Jul 2025783 PMAQI
31st Jul 2025794 PMAQI
31st Jul 2025795 PMAQI
31st Jul 2025776 PMAQI
31st Jul 2025807 PMAQI
31st Jul 2025708 PMAQI
31st Jul 2025569 PMAQI
31st Jul 20255610 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025551 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025564 AMAQI
28°C27/29°C
1st Aug 2025555 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025599 AMAQI
1st Aug 20256310 AMAQI
1st Aug 20255511 AMAQI
1st Aug 20255912 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025662 PMAQI
1st Aug 2025743 PMAQI
1st Aug 2025664 PMAQI
1st Aug 2025765 PMAQI
1st Aug 2025666 PMAQI
1st Aug 2025677 PMAQI
1st Aug 2025628 PMAQI
1st Aug 2025609 PMAQI
1st Aug 20256010 PMAQI
1st Aug 20256111 PMAQI
2nd Aug 20255712 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025554 AMAQI
29°C27/31°C
2nd Aug 2025555 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025558 AMAQI
2nd Aug 2025789 AMAQI
2nd Aug 20257710 AMAQI
2nd Aug 20257611 AMAQI
2nd Aug 20258212 PMAQI
2nd Aug 2025861 PMAQI
2nd Aug 2025782 PMAQI
2nd Aug 2025733 PMAQI
2nd Aug 2025704 PMAQI
2nd Aug 2025625 PMAQI
2nd Aug 2025686 PMAQI
2nd Aug 2025647 PMAQI
2nd Aug 2025618 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20256210 PMAQI
2nd Aug 20256111 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025584 AMAQI
28°C27/30°C
3rd Aug 2025595 AMAQI
5 AM3rd Aug 2025586 AMAQI
3rd Aug 2025597 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025779 AMAQI
3rd Aug 20259810 AMAQI
3rd Aug 20258011 AMAQI
3rd Aug 20256812 PMAQI
12 PM3rd Aug 2025681 PMAQI
3rd Aug 2025652 PMAQI
3rd Aug 2025643 PMAQI
3rd Aug 2025684 PMAQI
3rd Aug 2025665 PMAQI
3rd Aug 2025686 PMAQI
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 PM
58AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
5 AM - 7 PM
58AQI
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. 58), while the lowest AQI was between 5 AM to 7 PM (Avg. 58).
Night time
Avg. Highest Time
8 PM - 11 PM
57AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 4 AM
55AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 57), while the lowest AQI was between 12 AM to 4 AM (Avg. 55).
2025 Days Vs Air Quality
Sihwa, Ansan, Gyeonggi, South Korea
2025
11%
24
79%
169
9%
20
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
24 DaysModerate
169 DaysPoor
20 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 11%
Health Risk Level:
Extreme
In 2025, 11% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Sihwa, Ansan, 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
76AQI
76AQI
2nd January 2025
60AQI
60AQI
3rd January 2025
59AQI
59AQI
4th January 2025
62AQI
62AQI
5th January 2025
70AQI
70AQI
6th January 2025
96AQI
96AQI
7th January 2025
55AQI
55AQI
8th January 2025
70AQI
70AQI
9th January 2025
43AQI
43AQI
10th January 2025
54AQI
54AQI
11th January 2025
57AQI
57AQI
12th January 2025
76AQI
76AQI
13th January 2025
92AQI
92AQI
14th January 2025
107AQI
107AQI
15th January 2025
55AQI
55AQI
16th January 2025
85AQI
85AQI
17th January 2025
74AQI
74AQI
18th January 2025
91AQI
91AQI
19th January 2025
84AQI
84AQI
20th January 2025
134AQI
134AQI
21st January 2025
136AQI
136AQI
22nd January 2025
152AQI
152AQI
23rd January 2025
118AQI
118AQI
24th January 2025
115AQI
115AQI
25th January 2025
70AQI
70AQI
26th January 2025
60AQI
60AQI
27th January 2025
69AQI
69AQI
28th January 2025
59AQI
59AQI
29th January 2025
59AQI
59AQI
30th January 2025
49AQI
49AQI
31st January 2025
74AQI
74AQI
1st February 2025
85AQI
85AQI
2nd February 2025
90AQI
90AQI
3rd February 2025
53AQI
53AQI
4th February 2025
52AQI
52AQI
5th February 2025
42AQI
42AQI
6th February 2025
57AQI
57AQI
7th February 2025
44AQI
44AQI
8th February 2025
37AQI
37AQI
9th February 2025
47AQI
47AQI
10th February 2025
57AQI
57AQI
11th February 2025
78AQI
78AQI
12th February 2025
80AQI
80AQI
13th February 2025
59AQI
59AQI
14th February 2025
95AQI
95AQI
15th February 2025
63AQI
63AQI
16th February 2025
117AQI
117AQI
17th February 2025
51AQI
51AQI
18th February 2025
61AQI
61AQI
19th February 2025
44AQI
44AQI
20th February 2025
54AQI
54AQI
21st February 2025
53AQI
53AQI
22nd February 2025
56AQI
56AQI
23rd February 2025
53AQI
53AQI
24th February 2025
54AQI
54AQI
25th February 2025
58AQI
58AQI
26th February 2025
69AQI
69AQI
27th February 2025
67AQI
67AQI
28th February 2025
89AQI
89AQI
1st March 2025
112AQI
112AQI
2nd March 2025
84AQI
84AQI
3rd March 2025
58AQI
58AQI
4th March 2025
45AQI
45AQI
5th March 2025
35AQI
35AQI
6th March 2025
81AQI
81AQI
7th March 2025
95AQI
95AQI
8th March 2025
88AQI
88AQI
9th March 2025
104AQI
104AQI
10th March 2025
121AQI
121AQI
11th March 2025
121AQI
121AQI
12th March 2025
113AQI
113AQI
13th March 2025
107AQI
107AQI
14th March 2025
81AQI
81AQI
15th March 2025
63AQI
63AQI
16th March 2025
74AQI
74AQI
17th March 2025
68AQI
68AQI
18th March 2025
78AQI
78AQI
19th March 2025
80AQI
80AQI
20th March 2025
96AQI
96AQI
21st March 2025
104AQI
104AQI
22nd March 2025
111AQI
111AQI
23rd March 2025
120AQI
120AQI
24th March 2025
116AQI
116AQI
25th March 2025
133AQI
133AQI
26th March 2025
102AQI
102AQI
27th March 2025
97AQI
97AQI
28th March 2025
62AQI
62AQI
29th March 2025
48AQI
48AQI
30th March 2025
44AQI
44AQI
31st March 2025
65AQI
65AQI
1st April 2025
77AQI
77AQI
2nd April 2025
91AQI
91AQI
3rd April 2025
93AQI
93AQI
4th April 2025
89AQI
89AQI
5th April 2025
79AQI
79AQI
6th April 2025
70AQI
70AQI
7th April 2025
77AQI
77AQI
8th April 2025
82AQI
82AQI
9th April 2025
84AQI
84AQI
10th April 2025
90AQI
90AQI
11th April 2025
103AQI
103AQI
12th April 2025
75AQI
75AQI
13th April 2025
66AQI
66AQI
14th April 2025
50AQI
50AQI
15th April 2025
63AQI
63AQI
16th April 2025
67AQI
67AQI
17th April 2025
73AQI
73AQI
18th April 2025
83AQI
83AQI
19th April 2025
54AQI
54AQI
20th April 2025
70AQI
70AQI
21st April 2025
61AQI
61AQI
22nd April 2025
56AQI
56AQI
23rd April 2025
42AQI
42AQI
24th April 2025
73AQI
73AQI
25th April 2025
61AQI
61AQI
26th April 2025
60AQI
60AQI
27th April 2025
43AQI
43AQI
28th April 2025
63AQI
63AQI
29th April 2025
72AQI
72AQI
30th April 2025
61AQI
61AQI
1st May 2025
67AQI
67AQI
2nd May 2025
53AQI
53AQI
3rd May 2025
51AQI
51AQI
4th May 2025
47AQI
47AQI
5th May 2025
56AQI
56AQI
6th May 2025
44AQI
44AQI
7th May 2025
56AQI
56AQI
8th May 2025
67AQI
67AQI
9th May 2025
58AQI
58AQI
10th May 2025
69AQI
69AQI
11th May 2025
78AQI
78AQI
12th May 2025
80AQI
80AQI
13th May 2025
81AQI
81AQI
14th May 2025
76AQI
76AQI
15th May 2025
74AQI
74AQI
16th May 2025
67AQI
67AQI
17th May 2025
62AQI
62AQI
18th May 2025
59AQI
59AQI
19th May 2025
65AQI
65AQI
20th May 2025
40AQI
40AQI
21st May 2025
52AQI
52AQI
22nd May 2025
56AQI
56AQI
23rd May 2025
68AQI
68AQI
24th May 2025
52AQI
52AQI
25th May 2025
52AQI
52AQI
26th May 2025
75AQI
75AQI
27th May 2025
91AQI
91AQI
28th May 2025
99AQI
99AQI
29th May 2025
90AQI
90AQI
30th May 2025
101AQI
101AQI
31st May 2025
99AQI
99AQI
1st June 2025
92AQI
92AQI
2nd June 2025
97AQI
97AQI
3rd June 2025
77AQI
77AQI
4th June 2025
63AQI
63AQI
5th June 2025
63AQI
63AQI
6th June 2025
59AQI
59AQI
7th June 2025
67AQI
67AQI
8th June 2025
58AQI
58AQI
9th June 2025
65AQI
65AQI
10th June 2025
57AQI
57AQI
11th June 2025
60AQI
60AQI
12th June 2025
70AQI
70AQI
13th June 2025
78AQI
78AQI
14th June 2025
73AQI
73AQI
15th June 2025
62AQI
62AQI
16th June 2025
70AQI
70AQI
17th June 2025
70AQI
70AQI
18th June 2025
73AQI
73AQI
19th June 2025
70AQI
70AQI
20th June 2025
57AQI
57AQI
21st June 2025
65AQI
65AQI
22nd June 2025
75AQI
75AQI
23rd June 2025
80AQI
80AQI
24th June 2025
69AQI
69AQI
25th June 2025
60AQI
60AQI
26th June 2025
61AQI
61AQI
27th June 2025
70AQI
70AQI
28th June 2025
66AQI
66AQI
29th June 2025
56AQI
56AQI
30th June 2025
54AQI
54AQI
1st July 2025
51AQI
51AQI
2nd July 2025
51AQI
51AQI
3rd July 2025
54AQI
54AQI
4th July 2025
55AQI
55AQI
5th July 2025
52AQI
52AQI
6th July 2025
55AQI
55AQI
7th July 2025
66AQI
66AQI
8th July 2025
70AQI
70AQI
9th July 2025
60AQI
60AQI
10th July 2025
57AQI
57AQI
11th July 2025
54AQI
54AQI
12th July 2025
53AQI
53AQI
13th July 2025
62AQI
62AQI
14th July 2025
59AQI
59AQI
15th July 2025
50AQI
50AQI
16th July 2025
57AQI
57AQI
17th July 2025
48AQI
48AQI
18th July 2025
51AQI
51AQI
19th July 2025
45AQI
45AQI
20th July 2025
47AQI
47AQI
21st July 2025
48AQI
48AQI
22nd July 2025
47AQI
47AQI
23rd July 2025
49AQI
49AQI
24th July 2025
51AQI
51AQI
25th July 2025
63AQI
63AQI
26th July 2025
58AQI
58AQI
27th July 2025
55AQI
55AQI
28th July 2025
67AQI
67AQI
29th July 2025
68AQI
68AQI
30th July 2025
70AQI
70AQI
31st July 2025
66AQI
66AQI
1st August 2025
60AQI
60AQI
2nd August 2025
62AQI
62AQI
79AQI
63AQI
87AQI
71AQI
67AQI
68AQI
56AQI
61AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202570AQI
2
23
5
1
5
22
1
4
15
12
3
26
1
3
27
1
30
7
24
2
24
169
20
1
Highest AQI recorded in
March87AQI
Lowest AQI recorded in
July56AQI
202464AQI
12
10
7
2
7
15
6
1
5
21
3
2
1
20
9
11
19
1
7
23
22
8
1
12
19
21
9
12
16
3
7
21
2
5
26
122
207
32
5
Highest AQI recorded in
April88AQI
Lowest AQI recorded in
September42AQI
202372AQI
8
15
5
3
2
16
8
2
2
13
13
3
3
21
4
2
5
20
6
5
25
11
18
2
13
18
15
12
3
10
17
4
15
10
4
11
14
5
1
100
199
54
11
Highest AQI recorded in
March102AQI
Lowest AQI recorded in
August53AQI
202271AQI
1
20
7
2
4
9
4
4
6
17
8
7
14
8
6
22
3
14
16
5
16
1
13
12
2
1
14
11
5
1
5
15
9
1
9
18
3
1
85
170
49
10
Highest AQI recorded in
February88AQI
Lowest AQI recorded in
August32AQI
202176AQI
1
1
13
9
3
2
9
14
5
1
6
21
3
7
18
4
2
5
21
4
10
18
3
13
15
24
6
11
19
1
7
15
6
2
9
11
10
1
96
166
54
11
3
Highest AQI recorded in
March116AQI
Lowest AQI recorded in
January33AQI
202071AQI
2
10
1
5
15
1
3
13
2
3
22
5
11
18
2
11
20
14
15
3
22
5
1
7
6
4
52
142
22
5
Highest AQI recorded in
November110AQI
Lowest AQI recorded in
September53AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
76AQILeast Polluted Year Recorded
2024(Avg.)
64AQISihwa's annual 2025 AQI (70) shows an average percentage change of -0.5% (improved AQI) compared to previous years: 2020 (71), 2021 (76), 2022 (71), 2023 (72), 2024 (64).
