Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Keelung, Keelung, Taiwan 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+

March Air Quality Analysis

Keelung, Keelung, Taiwan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Mar 2022
109AQI
Lowest AQI recorded on
1st Mar 2026
29AQI

Same Day Analysis (8th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 42 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 7th Mar - 8th Mar 2026

Keelung, Keelung, Taiwan

AQI
Day
Night
.

6 AM7th Mar 2026

5 PM

5 AM8th Mar 2026

Day time
Avg. Highest Time
7AM7th Mar

80AQI

Avg. Lowest Time
5PM7th Mar

60AQI

Night time
Avg. Highest Time
6PM7th Mar

59AQI

Avg. Lowest Time
4AM8th Mar

32AQI

In the last 24 hours,

Keelung's AQI reached its highest point of 80 at 7 AM during the Day, while the lowest point, 32, was recorded at 4 AM during the Night between 7th Mar and 8th Mar 2026.

Day & Night AQI Trend : Feb - Mar 2026

Keelung, Keelung, Taiwan

FebMar
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
7th Feb 2026206 AMAQI
7th Feb 2026227 AMAQI
7th Feb 2026228 AMAQI
7th Feb 2026269 AMAQI
7th Feb 20263010 AMAQI
7th Feb 20263211 AMAQI
7th Feb 20262612 PMAQI
7th Feb 2026261 PMAQI
7th Feb 2026282 PMAQI
7th Feb 2026293 PMAQI
7th Feb 2026284 PMAQI
7th Feb 2026365 PMAQI
7th Feb 2026486 PMAQI
7th Feb 2026507 PMAQI
7th Feb 2026498 PMAQI
7th Feb 2026549 PMAQI
7th Feb 20265210 PMAQI
7th Feb 20265111 PMAQI
8th Feb 20264912 AMAQI
8th Feb 2026511 AMAQI
8th Feb 2026572 AMAQI
8th Feb 2026573 AMAQI
8th Feb 2026584 AMAQI
8th Feb 2026605 AMAQI

14°C12/15°C

8th Feb 2026636 AMAQI
8th Feb 2026707 AMAQI
8th Feb 2026768 AMAQI
8th Feb 2026829 AMAQI
8th Feb 20268310 AMAQI
8th Feb 20268611 AMAQI
8th Feb 20268612 PMAQI
8th Feb 2026871 PMAQI
8th Feb 2026822 PMAQI
8th Feb 2026833 PMAQI
8th Feb 2026814 PMAQI
8th Feb 2026795 PMAQI
8th Feb 2026796 PMAQI
8th Feb 2026767 PMAQI
8th Feb 2026778 PMAQI
8th Feb 2026789 PMAQI
8th Feb 20267010 PMAQI
8th Feb 20266211 PMAQI
9th Feb 20266012 AMAQI
9th Feb 2026461 AMAQI
9th Feb 2026402 AMAQI
9th Feb 2026353 AMAQI
9th Feb 2026324 AMAQI
9th Feb 2026305 AMAQI

10°C9/11°C

9th Feb 2026336 AMAQI
9th Feb 2026327 AMAQI
9th Feb 2026268 AMAQI
9th Feb 2026259 AMAQI
9th Feb 20262810 AMAQI
9th Feb 20263311 AMAQI
9th Feb 20263012 PMAQI
9th Feb 2026251 PMAQI
9th Feb 2026282 PMAQI
9th Feb 2026233 PMAQI
9th Feb 2026234 PMAQI
9th Feb 2026285 PMAQI
9th Feb 2026286 PMAQI
9th Feb 2026267 PMAQI
9th Feb 2026308 PMAQI
9th Feb 2026329 PMAQI
9th Feb 20262710 PMAQI
9th Feb 20263011 PMAQI
10th Feb 20262612 AMAQI
10th Feb 2026201 AMAQI
10th Feb 2026222 AMAQI
10th Feb 2026223 AMAQI
10th Feb 2026224 AMAQI
10th Feb 2026275 AMAQI

13°C10/15°C

10th Feb 2026426 AMAQI
10th Feb 2026407 AMAQI
10th Feb 2026518 AMAQI
10th Feb 2026529 AMAQI
10th Feb 20265910 AMAQI
10th Feb 20265211 AMAQI
10th Feb 20264812 PMAQI
10th Feb 2026541 PMAQI
10th Feb 2026532 PMAQI
10th Feb 2026503 PMAQI
10th Feb 2026484 PMAQI
10th Feb 2026485 PMAQI
10th Feb 2026556 PMAQI
10th Feb 2026517 PMAQI
10th Feb 2026618 PMAQI
10th Feb 2026589 PMAQI
10th Feb 20266610 PMAQI
10th Feb 20265711 PMAQI
11th Feb 20265812 AMAQI
11th Feb 2026561 AMAQI
11th Feb 2026642 AMAQI
11th Feb 2026573 AMAQI
11th Feb 2026534 AMAQI
11th Feb 2026555 AMAQI

16°C13/19°C

11th Feb 2026606 AMAQI
11th Feb 2026647 AMAQI
11th Feb 2026688 AMAQI
11th Feb 2026719 AMAQI
11th Feb 20265610 AMAQI
11th Feb 20266911 AMAQI
11th Feb 20265312 PMAQI
11th Feb 2026491 PMAQI
11th Feb 2026472 PMAQI
11th Feb 2026553 PMAQI
11th Feb 2026594 PMAQI
11th Feb 2026685 PMAQI
11th Feb 2026736 PMAQI
11th Feb 2026807 PMAQI
11th Feb 2026808 PMAQI
11th Feb 2026809 PMAQI
11th Feb 20268510 PMAQI
11th Feb 20268011 PMAQI
12th Feb 20267812 AMAQI
12th Feb 2026851 AMAQI
12th Feb 2026822 AMAQI
12th Feb 2026743 AMAQI
12th Feb 2026804 AMAQI
12th Feb 2026805 AMAQI

16°C14/17°C

12th Feb 2026766 AMAQI
12th Feb 2026747 AMAQI
12th Feb 2026758 AMAQI
12th Feb 2026789 AMAQI
12th Feb 20268010 AMAQI
12th Feb 20266911 AMAQI
12th Feb 20265712 PMAQI
12th Feb 2026551 PMAQI
12th Feb 2026562 PMAQI
12th Feb 2026503 PMAQI
12th Feb 2026564 PMAQI
12th Feb 2026515 PMAQI
12th Feb 2026486 PMAQI
12th Feb 2026497 PMAQI
12th Feb 2026498 PMAQI
12th Feb 2026529 PMAQI
12th Feb 20265410 PMAQI
12th Feb 20265111 PMAQI
13th Feb 20265512 AMAQI
13th Feb 2026481 AMAQI
13th Feb 2026532 AMAQI
13th Feb 2026483 AMAQI
13th Feb 2026514 AMAQI
13th Feb 2026545 AMAQI

16°C15/17°C

13th Feb 2026526 AMAQI
13th Feb 2026477 AMAQI
13th Feb 2026488 AMAQI
13th Feb 2026449 AMAQI
13th Feb 20265010 AMAQI
13th Feb 20264911 AMAQI
13th Feb 20264812 PMAQI
13th Feb 2026441 PMAQI
13th Feb 2026522 PMAQI
13th Feb 2026523 PMAQI
13th Feb 2026504 PMAQI
13th Feb 2026515 PMAQI
13th Feb 2026566 PMAQI
13th Feb 2026687 PMAQI
13th Feb 2026768 PMAQI
13th Feb 2026689 PMAQI
13th Feb 20266710 PMAQI
13th Feb 20265911 PMAQI
14th Feb 20264812 AMAQI
14th Feb 2026471 AMAQI
14th Feb 2026702 AMAQI
14th Feb 2026703 AMAQI
14th Feb 2026714 AMAQI
14th Feb 2026765 AMAQI

19°C15/23°C

14th Feb 2026746 AMAQI
14th Feb 2026707 AMAQI
14th Feb 2026938 AMAQI
14th Feb 2026889 AMAQI
14th Feb 20268810 AMAQI
14th Feb 20268211 AMAQI
14th Feb 20267212 PMAQI
14th Feb 2026621 PMAQI
14th Feb 2026772 PMAQI
14th Feb 2026823 PMAQI
14th Feb 2026674 PMAQI
14th Feb 2026565 PMAQI
14th Feb 2026536 PMAQI
14th Feb 2026567 PMAQI
14th Feb 2026608 PMAQI
14th Feb 2026629 PMAQI
14th Feb 20265910 PMAQI
14th Feb 20266211 PMAQI
15th Feb 20265812 AMAQI
15th Feb 2026601 AMAQI
15th Feb 2026642 AMAQI
15th Feb 2026633 AMAQI
15th Feb 2026584 AMAQI
15th Feb 2026595 AMAQI

20°C17/23°C

15th Feb 2026606 AMAQI
15th Feb 2026627 AMAQI
15th Feb 2026598 AMAQI
15th Feb 2026599 AMAQI
15th Feb 20266510 AMAQI
15th Feb 20266011 AMAQI
15th Feb 20264812 PMAQI
15th Feb 2026461 PMAQI
15th Feb 2026412 PMAQI
15th Feb 2026423 PMAQI
15th Feb 2026454 PMAQI
15th Feb 2026485 PMAQI
15th Feb 2026566 PMAQI
15th Feb 2026627 PMAQI
15th Feb 2026548 PMAQI
15th Feb 2026599 PMAQI
15th Feb 20266410 PMAQI
15th Feb 20266211 PMAQI
16th Feb 20265812 AMAQI
16th Feb 2026631 AMAQI
16th Feb 2026712 AMAQI
16th Feb 2026583 AMAQI
16th Feb 2026664 AMAQI
16th Feb 2026905 AMAQI

21°C18/24°C

16th Feb 2026926 AMAQI
16th Feb 2026917 AMAQI
16th Feb 2026888 AMAQI
16th Feb 2026899 AMAQI
16th Feb 20269010 AMAQI
16th Feb 20268811 AMAQI
16th Feb 20265812 PMAQI
16th Feb 2026531 PMAQI
16th Feb 2026482 PMAQI
16th Feb 2026543 PMAQI
16th Feb 2026624 PMAQI
16th Feb 2026755 PMAQI
16th Feb 2026806 PMAQI
16th Feb 2026727 PMAQI
16th Feb 2026718 PMAQI
16th Feb 2026749 PMAQI
16th Feb 20267010 PMAQI
16th Feb 20267211 PMAQI
17th Feb 20266812 AMAQI
17th Feb 2026681 AMAQI
17th Feb 2026672 AMAQI
17th Feb 2026473 AMAQI
17th Feb 2026334 AMAQI
17th Feb 2026295 AMAQI

19°C17/23°C

17th Feb 2026236 AMAQI
17th Feb 2026237 AMAQI
17th Feb 2026248 AMAQI
17th Feb 2026239 AMAQI
17th Feb 20262410 AMAQI
17th Feb 20262711 AMAQI
17th Feb 20263112 PMAQI
17th Feb 2026321 PMAQI
17th Feb 2026302 PMAQI
17th Feb 2026283 PMAQI
17th Feb 2026254 PMAQI
17th Feb 2026415 PMAQI
17th Feb 2026386 PMAQI
17th Feb 2026467 PMAQI
17th Feb 2026498 PMAQI
17th Feb 2026419 PMAQI
17th Feb 20263210 PMAQI
17th Feb 20262811 PMAQI
18th Feb 20262512 AMAQI
18th Feb 2026391 AMAQI
18th Feb 2026272 AMAQI
18th Feb 2026293 AMAQI
18th Feb 2026344 AMAQI
18th Feb 2026405 AMAQI

15°C15/15°C

18th Feb 2026406 AMAQI
18th Feb 2026397 AMAQI
18th Feb 2026448 AMAQI
18th Feb 2026469 AMAQI
18th Feb 20264110 AMAQI
18th Feb 20264511 AMAQI
18th Feb 20264012 PMAQI
18th Feb 2026501 PMAQI
18th Feb 2026502 PMAQI
18th Feb 2026543 PMAQI
18th Feb 2026554 PMAQI
18th Feb 2026585 PMAQI
18th Feb 2026696 PMAQI
18th Feb 2026627 PMAQI
18th Feb 2026728 PMAQI
18th Feb 2026769 PMAQI
18th Feb 20267410 PMAQI
18th Feb 20268011 PMAQI
19th Feb 20268012 AMAQI
19th Feb 2026801 AMAQI
19th Feb 2026802 AMAQI
19th Feb 2026763 AMAQI
19th Feb 2026724 AMAQI
19th Feb 2026755 AMAQI

15°C14/15°C

19th Feb 2026666 AMAQI
19th Feb 2026757 AMAQI
19th Feb 2026728 AMAQI
19th Feb 2026729 AMAQI
19th Feb 20266510 AMAQI
19th Feb 20266011 AMAQI
19th Feb 20266312 PMAQI
19th Feb 2026621 PMAQI
19th Feb 2026622 PMAQI
19th Feb 2026583 PMAQI
19th Feb 2026604 PMAQI
19th Feb 2026635 PMAQI
19th Feb 2026636 PMAQI
19th Feb 2026627 PMAQI
19th Feb 2026718 PMAQI
19th Feb 2026769 PMAQI
19th Feb 20267810 PMAQI
19th Feb 20267311 PMAQI
20th Feb 20269212 AMAQI
20th Feb 2026801 AMAQI
20th Feb 2026902 AMAQI
20th Feb 2026663 AMAQI
20th Feb 2026574 AMAQI
20th Feb 2026725 AMAQI

17°C15/18°C

20th Feb 2026666 AMAQI
20th Feb 2026617 AMAQI
20th Feb 2026648 AMAQI
20th Feb 2026679 AMAQI
20th Feb 20266510 AMAQI
20th Feb 20266211 AMAQI
20th Feb 20266112 PMAQI
20th Feb 2026651 PMAQI
20th Feb 2026582 PMAQI
20th Feb 2026633 PMAQI
20th Feb 2026604 PMAQI
20th Feb 2026585 PMAQI
20th Feb 2026556 PMAQI
20th Feb 2026547 PMAQI
20th Feb 2026668 PMAQI
20th Feb 2026789 PMAQI
20th Feb 20267610 PMAQI
20th Feb 20267511 PMAQI
21st Feb 20267712 AMAQI
21st Feb 2026641 AMAQI
21st Feb 2026742 AMAQI
21st Feb 2026723 AMAQI
21st Feb 2026654 AMAQI
21st Feb 2026645 AMAQI

17°C17/18°C

21st Feb 2026626 AMAQI
21st Feb 2026637 AMAQI
21st Feb 2026688 AMAQI
21st Feb 2026719 AMAQI
21st Feb 20266210 AMAQI
21st Feb 20264711 AMAQI
21st Feb 20265112 PMAQI
21st Feb 2026511 PMAQI
21st Feb 2026542 PMAQI
21st Feb 2026543 PMAQI
21st Feb 2026484 PMAQI
21st Feb 2026545 PMAQI
21st Feb 2026746 PMAQI
21st Feb 2026747 PMAQI
21st Feb 2026788 PMAQI
21st Feb 2026899 PMAQI
21st Feb 202610410 PMAQI
21st Feb 202610811 PMAQI
22nd Feb 202611412 AMAQI
22nd Feb 2026921 AMAQI
22nd Feb 2026912 AMAQI
22nd Feb 2026673 AMAQI
22nd Feb 2026674 AMAQI
22nd Feb 2026625 AMAQI

19°C17/22°C

22nd Feb 2026586 AMAQI
22nd Feb 2026617 AMAQI
22nd Feb 2026608 AMAQI
22nd Feb 2026649 AMAQI
22nd Feb 20267810 AMAQI
22nd Feb 20268111 AMAQI
22nd Feb 20267812 PMAQI
22nd Feb 2026741 PMAQI
22nd Feb 2026792 PMAQI
22nd Feb 2026823 PMAQI
22nd Feb 2026774 PMAQI
22nd Feb 2026755 PMAQI
22nd Feb 2026746 PMAQI
22nd Feb 2026807 PMAQI
22nd Feb 2026818 PMAQI
22nd Feb 2026779 PMAQI
22nd Feb 20267810 PMAQI
22nd Feb 20267611 PMAQI
23rd Feb 20266612 AMAQI
23rd Feb 2026661 AMAQI
23rd Feb 2026622 AMAQI
23rd Feb 2026603 AMAQI
23rd Feb 2026564 AMAQI
23rd Feb 2026625 AMAQI

20°C17/23°C

23rd Feb 2026706 AMAQI
23rd Feb 2026687 AMAQI
23rd Feb 2026628 AMAQI
23rd Feb 2026589 AMAQI
23rd Feb 20265710 AMAQI
23rd Feb 20264811 AMAQI
23rd Feb 20264012 PMAQI
23rd Feb 2026231 PMAQI
23rd Feb 2026242 PMAQI
23rd Feb 2026213 PMAQI
23rd Feb 2026194 PMAQI
23rd Feb 2026195 PMAQI
23rd Feb 2026186 PMAQI
23rd Feb 2026217 PMAQI
23rd Feb 2026248 PMAQI
23rd Feb 2026249 PMAQI
23rd Feb 20262910 PMAQI
23rd Feb 20263011 PMAQI
24th Feb 20263212 AMAQI
24th Feb 2026271 AMAQI
24th Feb 2026262 AMAQI
24th Feb 2026243 AMAQI
24th Feb 2026314 AMAQI
24th Feb 2026455 AMAQI

21°C20/22°C

24th Feb 2026576 AMAQI
24th Feb 2026657 AMAQI
24th Feb 2026668 AMAQI
24th Feb 2026609 AMAQI
24th Feb 20266310 AMAQI
24th Feb 20267211 AMAQI
24th Feb 20266412 PMAQI
24th Feb 2026691 PMAQI
24th Feb 2026722 PMAQI
24th Feb 2026753 PMAQI
24th Feb 2026694 PMAQI
24th Feb 2026685 PMAQI
24th Feb 2026666 PMAQI
24th Feb 2026717 PMAQI
24th Feb 2026808 PMAQI
24th Feb 2026709 PMAQI
24th Feb 20266910 PMAQI
24th Feb 20266811 PMAQI
25th Feb 20266412 AMAQI
25th Feb 2026501 AMAQI
25th Feb 2026522 AMAQI
25th Feb 2026363 AMAQI
25th Feb 2026324 AMAQI
25th Feb 2026265 AMAQI

21°C19/23°C

25th Feb 2026186 AMAQI
25th Feb 2026167 AMAQI
25th Feb 2026138 AMAQI
25th Feb 2026209 AMAQI
25th Feb 20263210 AMAQI
25th Feb 20263011 AMAQI
25th Feb 20263812 PMAQI
25th Feb 2026481 PMAQI
25th Feb 2026482 PMAQI
25th Feb 2026463 PMAQI
25th Feb 2026364 PMAQI
25th Feb 2026375 PMAQI
25th Feb 2026336 PMAQI
25th Feb 2026397 PMAQI
25th Feb 2026358 PMAQI
25th Feb 2026359 PMAQI
25th Feb 20263710 PMAQI
25th Feb 20263411 PMAQI
26th Feb 20262812 AMAQI
26th Feb 2026321 AMAQI
26th Feb 2026292 AMAQI
26th Feb 2026303 AMAQI
26th Feb 2026254 AMAQI
26th Feb 2026225 AMAQI

18°C18/18°C

26th Feb 2026256 AMAQI
26th Feb 2026287 AMAQI
26th Feb 2026288 AMAQI
26th Feb 2026279 AMAQI
26th Feb 20263010 AMAQI
26th Feb 20262411 AMAQI
26th Feb 20262712 PMAQI
26th Feb 2026261 PMAQI
26th Feb 2026292 PMAQI
26th Feb 2026343 PMAQI
26th Feb 2026244 PMAQI
26th Feb 2026305 PMAQI
26th Feb 2026336 PMAQI
26th Feb 2026307 PMAQI
26th Feb 2026388 PMAQI
26th Feb 2026449 PMAQI
26th Feb 20264710 PMAQI
26th Feb 20266011 PMAQI
27th Feb 20266212 AMAQI
27th Feb 2026721 AMAQI
27th Feb 2026512 AMAQI
27th Feb 2026443 AMAQI
27th Feb 2026194 AMAQI
27th Feb 2026145 AMAQI

20°C19/22°C

27th Feb 2026196 AMAQI
27th Feb 2026197 AMAQI
27th Feb 2026148 AMAQI
27th Feb 2026229 AMAQI
27th Feb 20262210 AMAQI
27th Feb 20263211 AMAQI
27th Feb 20263512 PMAQI
27th Feb 2026241 PMAQI
27th Feb 2026242 PMAQI
27th Feb 2026513 PMAQI
27th Feb 2026234 PMAQI
27th Feb 2026315 PMAQI
27th Feb 2026446 PMAQI
27th Feb 2026247 PMAQI
27th Feb 2026428 PMAQI
27th Feb 2026419 PMAQI
27th Feb 20262810 PMAQI
27th Feb 20265411 PMAQI
28th Feb 20262412 AMAQI
28th Feb 2026281 AMAQI
28th Feb 2026282 AMAQI
28th Feb 2026243 AMAQI
28th Feb 2026304 AMAQI
28th Feb 2026205 AMAQI

19°C18/19°C

28th Feb 2026186 AMAQI
28th Feb 2026187 AMAQI
28th Feb 2026188 AMAQI
28th Feb 2026229 AMAQI
28th Feb 20263310 AMAQI
28th Feb 20262011 AMAQI
28th Feb 20261812 PMAQI
28th Feb 2026161 PMAQI
28th Feb 2026262 PMAQI
28th Feb 2026213 PMAQI
28th Feb 2026184 PMAQI
28th Feb 2026195 PMAQI
28th Feb 2026186 PMAQI
28th Feb 2026107 PMAQI
28th Feb 2026178 PMAQI
28th Feb 2026209 PMAQI
28th Feb 20262010 PMAQI
28th Feb 20262811 PMAQI
1st Mar 20262812 AMAQI
1st Mar 2026441 AMAQI
1st Mar 2026522 AMAQI
1st Mar 2026273 AMAQI
1st Mar 2026264 AMAQI
1st Mar 2026245 AMAQI

19°C17/20°C

1st Mar 2026286 AMAQI
1st Mar 2026307 AMAQI
1st Mar 2026228 AMAQI
1st Mar 2026229 AMAQI
1st Mar 20262210 AMAQI
1st Mar 20262411 AMAQI
1st Mar 20262012 PMAQI
1st Mar 2026201 PMAQI
1st Mar 2026222 PMAQI
1st Mar 2026183 PMAQI
1st Mar 2026184 PMAQI
1st Mar 2026185 PMAQI
1st Mar 2026286 PMAQI
1st Mar 2026367 PMAQI
1st Mar 2026408 PMAQI
1st Mar 2026499 PMAQI
1st Mar 20264210 PMAQI
1st Mar 20264211 PMAQI
2nd Mar 20264612 AMAQI
2nd Mar 2026421 AMAQI
2nd Mar 2026462 AMAQI
2nd Mar 2026383 AMAQI
2nd Mar 2026254 AMAQI
2nd Mar 2026175 AMAQI

20°C19/22°C

2nd Mar 2026146 AMAQI
2nd Mar 2026197 AMAQI
2nd Mar 2026218 AMAQI
2nd Mar 2026279 AMAQI
2nd Mar 20263310 AMAQI
2nd Mar 20264011 AMAQI
2nd Mar 20264012 PMAQI
2nd Mar 2026481 PMAQI
2nd Mar 2026432 PMAQI
2nd Mar 2026423 PMAQI
2nd Mar 2026374 PMAQI
2nd Mar 2026395 PMAQI
2nd Mar 2026386 PMAQI
2nd Mar 2026417 PMAQI
2nd Mar 2026368 PMAQI
2nd Mar 2026469 PMAQI
2nd Mar 20264510 PMAQI
2nd Mar 20263711 PMAQI
3rd Mar 20264212 AMAQI
3rd Mar 2026321 AMAQI
3rd Mar 2026262 AMAQI
3rd Mar 2026343 AMAQI
3rd Mar 2026364 AMAQI
3rd Mar 2026445 AMAQI

21°C19/24°C

3rd Mar 2026356 AMAQI
3rd Mar 2026367 AMAQI
3rd Mar 2026438 AMAQI
3rd Mar 2026369 AMAQI
3rd Mar 20262810 AMAQI
3rd Mar 20262611 AMAQI
3rd Mar 20262312 PMAQI
3rd Mar 2026221 PMAQI
3rd Mar 2026222 PMAQI
3rd Mar 2026183 PMAQI
3rd Mar 2026154 PMAQI
3rd Mar 2026205 PMAQI
3rd Mar 2026196 PMAQI
3rd Mar 2026187 PMAQI
3rd Mar 2026268 PMAQI
3rd Mar 2026259 PMAQI
3rd Mar 20262610 PMAQI
3rd Mar 20263311 PMAQI
4th Mar 20263212 AMAQI
4th Mar 2026301 AMAQI
4th Mar 2026302 AMAQI
4th Mar 2026283 AMAQI
4th Mar 2026284 AMAQI
4th Mar 2026305 AMAQI

16°C15/16°C

4th Mar 2026386 AMAQI
4th Mar 2026327 AMAQI
4th Mar 2026368 AMAQI
4th Mar 2026549 AMAQI
4th Mar 20263610 AMAQI
4th Mar 20263311 AMAQI
4th Mar 20262912 PMAQI
4th Mar 2026261 PMAQI
4th Mar 2026402 PMAQI
4th Mar 2026343 PMAQI
4th Mar 2026594 PMAQI
4th Mar 2026535 PMAQI
4th Mar 2026606 PMAQI
4th Mar 2026537 PMAQI
4th Mar 2026248 PMAQI
4th Mar 2026299 PMAQI
4th Mar 20263210 PMAQI
4th Mar 20262611 PMAQI
5th Mar 20264512 AMAQI
5th Mar 2026381 AMAQI
5th Mar 2026412 AMAQI
5th Mar 2026463 AMAQI
5th Mar 2026124 AMAQI
5th Mar 2026485 AMAQI

17°C16/18°C

5th Mar 2026446 AMAQI
5th Mar 2026437 AMAQI
5th Mar 2026748 AMAQI
5th Mar 2026989 AMAQI
5th Mar 20268010 AMAQI
5th Mar 20266611 AMAQI
5th Mar 20266212 PMAQI
5th Mar 2026631 PMAQI
5th Mar 2026632 PMAQI
5th Mar 2026623 PMAQI
5th Mar 2026444 PMAQI
5th Mar 2026445 PMAQI
5th Mar 2026406 PMAQI
5th Mar 2026587 PMAQI
5th Mar 2026538 PMAQI
5th Mar 2026409 PMAQI
5th Mar 20263510 PMAQI
5th Mar 20266011 PMAQI
6th Mar 20265712 AMAQI
6th Mar 2026721 AMAQI
6th Mar 2026642 AMAQI
6th Mar 2026413 AMAQI
6th Mar 2026184 AMAQI
6th Mar 2026265 AMAQI

20°C18/22°C

6th Mar 2026356 AMAQI
6th Mar 2026587 AMAQI
6th Mar 2026178 AMAQI
6th Mar 2026989 AMAQI
6th Mar 20261410 AMAQI
6th Mar 20265611 AMAQI
6th Mar 20265612 PMAQI
6th Mar 2026411 PMAQI
6th Mar 2026482 PMAQI
6th Mar 2026273 PMAQI
6th Mar 2026284 PMAQI
6th Mar 2026605 PMAQI
6th Mar 2026506 PMAQI
6th Mar 2026507 PMAQI
6th Mar 2026438 PMAQI
6th Mar 2026829 PMAQI
6th Mar 20268210 PMAQI
6th Mar 20264411 PMAQI
7th Mar 20265512 AMAQI
7th Mar 2026691 AMAQI
7th Mar 2026682 AMAQI
7th Mar 2026673 AMAQI
7th Mar 2026644 AMAQI
7th Mar 2026715 AMAQI

17°C16/18°C

7th Mar 2026756 AMAQI
7th Mar 2026807 AMAQI
7th Mar 2026758 AMAQI
7th Mar 2026749 AMAQI
7th Mar 20266610 AMAQI
7th Mar 20266411 AMAQI
7th Mar 20266912 PMAQI
7th Mar 2026681 PMAQI
7th Mar 2026692 PMAQI
7th Mar 2026653 PMAQI
7th Mar 2026624 PMAQI
7th Mar 2026605 PMAQI
7th Mar 2026596 PMAQI
7th Mar 2026587 PMAQI
7th Mar 2026568 PMAQI
7th Mar 2026549 PMAQI
7th Mar 20265011 PMAQI
8th Mar 20264712 AMAQI
8th Mar 2026441 AMAQI
8th Mar 2026452 AMAQI
8th Mar 2026333 AMAQI
8th Mar 2026324 AMAQI
8th Mar 2026375 AMAQI

15°C15/16°C

8th Mar 2026316 AMAQI
6 AM
8th Mar 2026417 AMAQI
8th Mar 2026418 AMAQI
8th Mar 2026369 AMAQI
8th Mar 20265310 AMAQI
8th Mar 20265011 AMAQI
11 AM
8th Mar 20265812 PMAQI
8th Mar 2026441 PMAQI
8th Mar 2026502 PMAQI
8th Mar 2026443 PMAQI
8th Mar 2026484 PMAQI
8th Mar 2026435 PMAQI
5 PM
8th Mar 2026426 PMAQI
8th Mar 2026367 PMAQI
8th Mar 2026378 PMAQI
8th Mar 2026309 PMAQI
8th Mar 20264610 PMAQI
8th Mar 20264111 PMAQI
11 PM
5 AM

17°C15/17°C

Day time
Avg. Highest Time
9 AM

54AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
4 PM

45AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 54), while the lowest AQI was between 4 PM to 4 PM (Avg. 45).
Night time
Avg. Highest Time
9 PM - 11 PM

55AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
4 AM

43AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 55), while the lowest AQI was between 4 AM to 4 AM (Avg. 43).

2026 Days Vs Air Quality

Keelung, Keelung, Taiwan

2026

54%

36

46%

31

Total number of days with different AQI categories in last 68 days in 2026 (297 days remaining)

Good
36 Days
Moderate
31 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 54%

Health Risk Level:

Considerable

In 2026, 54% of 68 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

Keelung, Keelung, Taiwan

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
30AQI (US)
2nd January 2026
44AQI (US)
3rd January 2026
39AQI (US)
4th January 2026
30AQI (US)
5th January 2026
50AQI (US)
6th January 2026
87AQI (US)
7th January 2026
79AQI (US)
8th January 2026
66AQI (US)
9th January 2026
65AQI (US)
10th January 2026
48AQI (US)
11th January 2026
67AQI (US)
12th January 2026
50AQI (US)
13th January 2026
62AQI (US)
14th January 2026
57AQI (US)
15th January 2026
62AQI (US)
16th January 2026
62AQI (US)
17th January 2026
69AQI (US)
18th January 2026
56AQI (US)
19th January 2026
53AQI (US)
20th January 2026
32AQI (US)
21st January 2026
22AQI (US)
22nd January 2026
28AQI (US)
23rd January 2026
47AQI (US)
24th January 2026
40AQI (US)
25th January 2026
54AQI (US)
26th January 2026
66AQI (US)
27th January 2026
44AQI (US)
28th January 2026
39AQI (US)
29th January 2026
47AQI (US)
30th January 2026
40AQI (US)
31st January 2026
30AQI (US)
1st February 2026
22AQI (US)
2nd February 2026
57AQI (US)
3rd February 2026
66AQI (US)
4th February 2026
42AQI (US)
5th February 2026
46AQI (US)
6th February 2026
58AQI (US)
7th February 2026
35AQI (US)
8th February 2026
72AQI (US)
9th February 2026
31AQI (US)
10th February 2026
45AQI (US)
11th February 2026
64AQI (US)
12th February 2026
65AQI (US)
13th February 2026
54AQI (US)
14th February 2026
68AQI (US)
15th February 2026
56AQI (US)
16th February 2026
72AQI (US)
17th February 2026
36AQI (US)
18th February 2026
50AQI (US)
19th February 2026
69AQI (US)
20th February 2026
67AQI (US)
21st February 2026
68AQI (US)
22nd February 2026
76AQI (US)
23rd February 2026
43AQI (US)
24th February 2026
59AQI (US)
25th February 2026
35AQI (US)
26th February 2026
31AQI (US)
27th February 2026
34AQI (US)
28th February 2026
21AQI (US)
1st March 2026
29AQI (US)
2nd March 2026
36AQI (US)
3rd March 2026
29AQI (US)
4th March 2026
36AQI (US)
5th March 2026
52AQI (US)
6th March 2026
49AQI (US)
7th March 2026
65AQI (US)
8th March 2026
42AQI (US)
9th March 2026
10th March 2026
11th March 2026
12th March 2026
13th March 2026
14th March 2026
15th March 2026
16th March 2026
17th March 2026
18th March 2026
19th March 2026
20th March 2026
21st March 2026
22nd March 2026
23rd March 2026
24th March 2026
25th March 2026
26th March 2026
27th March 2026
28th March 2026
29th March 2026
30th March 2026
31st March 2026
1st April 2026
2nd April 2026
3rd April 2026
4th April 2026
5th April 2026
6th April 2026
7th April 2026
8th April 2026
9th April 2026
10th April 2026
11th April 2026
12th April 2026
13th April 2026
14th April 2026
15th April 2026
16th April 2026
17th April 2026
18th April 2026
19th April 2026
20th April 2026
21st April 2026
22nd April 2026
23rd April 2026
24th April 2026
25th April 2026
26th April 2026
27th April 2026
28th April 2026
29th April 2026
30th April 2026
1st May 2026
2nd May 2026
3rd May 2026
4th May 2026
5th May 2026
6th May 2026
7th May 2026
8th May 2026
9th May 2026
10th May 2026
11th May 2026
12th May 2026
13th May 2026
14th May 2026
15th May 2026
16th May 2026
17th May 2026
18th May 2026
19th May 2026
20th May 2026
21st May 2026
22nd May 2026
23rd May 2026
24th May 2026
25th May 2026
26th May 2026
27th May 2026
28th May 2026
29th May 2026
30th May 2026
31st May 2026
1st June 2026
2nd June 2026
3rd June 2026
4th June 2026
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
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

50AQI (US)

52AQI (US)

42AQI (US)

No. of days

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

202650AQI (US)

17
14
13
15
6
2
36
31

Highest AQI (US) recorded in

February

52AQI (US)

Lowest AQI (US) recorded in

March

42AQI (US)

202550AQI (US)

3
28
13
15
6
25
8
22
15
16
27
3
27
4
29
2
30
14
17
9
21
9
22
190
175

Highest AQI (US) recorded in

January

61AQI (US)

Lowest AQI (US) recorded in

September

36AQI (US)

202445AQI (US)

10
21
16
12
1
6
25
11
19
22
9
29
31
20
11
28
2
29
2
26
4
16
15
244
120
1

Highest AQI (US) recorded in

March

61AQI (US)

Lowest AQI (US) recorded in

September

29AQI (US)

202349AQI (US)

13
18
13
15
8
23
4
26
12
18
1
21
9
27
4
25
6
27
3
22
9
21
8
21
10
214
149
1

Highest AQI (US) recorded in

April

62AQI (US)

Lowest AQI (US) recorded in

September

37AQI (US)

202246AQI (US)

21
9
17
4
15
15
1
10
20
29
2
27
3
20
4
1
17
11
23
8
26
4
15
16
221
96
1

Highest AQI (US) recorded in

April

56AQI (US)

Lowest AQI (US) recorded in

May

37AQI (US)

202147AQI (US)

15
14
4
24
8
23
17
13
16
15
30
24
7
27
4
26
4
29
2
19
11
21
10
236
127

Highest AQI (US) recorded in

February

62AQI (US)

Lowest AQI (US) recorded in

June

35AQI (US)

202048AQI (US)

4
9
5
16
14
4
23
7
22
9
28
3
17
13
10
21
17
13
17
14
157
109

Highest AQI (US) recorded in

April

60AQI (US)

Lowest AQI (US) recorded in

August

37AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2026(Avg.)
50AQI (US)
Least Polluted Year Recorded
2024(Avg.)
45AQI (US)

Keelung's annual 2026 AQI (US) (50) shows an average percentage change of 5.2% (worsened AQI (US)) compared to previous years: 2020 (48), 2021 (47), 2022 (46), 2023 (49), 2024 (45), 2025 (50).