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HistoryAQIPM2.5PM10COSO2NO2O3

Charleston Public Works, Charleston, South Carolina, United States 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

Charleston Public Works, Charleston, South Carolina, United States

2021
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Oct 2024
59AQI
Lowest AQI recorded on
6th Oct 2025
12AQI

Same Day Analysis (10th October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 32 of Good air quality, showing improvement over 2024 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 10th Oct - 11th Oct 2025

Charleston Public Works, Charleston, South Carolina, United States

AQI
Day
Night
.

7 AM10th Oct 2025

7 PM

6 AM11th Oct 2025

Day time
Avg. Highest Time
5PM10th Oct

44AQI

Avg. Lowest Time
10AM10th Oct

19AQI

Night time
Avg. Highest Time
8PM10th Oct

41AQI

Avg. Lowest Time
3AM11th Oct

11AQI

In the last 24 hours,

Charleston Public Works's AQI reached its highest point of 44 at 5 PM during the Day, while the lowest point, undefined, was recorded at 6 AM during the Night between 10th Oct and 11th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Charleston Public Works, Charleston, South Carolina, United States

SepOct
11th - 12th12th - 13th13th - 14th14th - 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
Day
Night
11th Sep 2025527 AMAQI
11th Sep 2025488 AMAQI
11th Sep 2025469 AMAQI
11th Sep 20254110 AMAQI
11th Sep 20253911 AMAQI
11th Sep 20253912 PMAQI
11th Sep 2025381 PMAQI
11th Sep 2025392 PMAQI
11th Sep 2025323 PMAQI
11th Sep 2025294 PMAQI
11th Sep 2025275 PMAQI
11th Sep 2025266 PMAQI
11th Sep 2025407 PMAQI
11th Sep 2025328 PMAQI
11th Sep 2025259 PMAQI
11th Sep 20252710 PMAQI
11th Sep 20253011 PMAQI
12th Sep 20253212 AMAQI
12th Sep 2025321 AMAQI
12th Sep 2025312 AMAQI
12th Sep 2025353 AMAQI
12th Sep 2025434 AMAQI
12th Sep 2025465 AMAQI
12th Sep 2025426 AMAQI

24°C19/31°C

12th Sep 2025407 AMAQI
12th Sep 2025388 AMAQI
12th Sep 2025379 AMAQI
12th Sep 20253610 AMAQI
12th Sep 20253511 AMAQI
12th Sep 20253412 PMAQI
12th Sep 2025321 PMAQI
12th Sep 2025322 PMAQI
12th Sep 2025283 PMAQI
12th Sep 2025284 PMAQI
12th Sep 2025295 PMAQI
12th Sep 2025306 PMAQI
12th Sep 2025307 PMAQI
12th Sep 2025298 PMAQI
12th Sep 2025299 PMAQI
12th Sep 20253310 PMAQI
12th Sep 20253411 PMAQI
13th Sep 20253512 AMAQI
13th Sep 2025361 AMAQI
13th Sep 2025362 AMAQI
13th Sep 2025403 AMAQI
13th Sep 2025394 AMAQI
13th Sep 2025425 AMAQI
13th Sep 2025426 AMAQI

26°C20/32°C

13th Sep 2025397 AMAQI
13th Sep 2025388 AMAQI
13th Sep 2025389 AMAQI
13th Sep 20253610 AMAQI
13th Sep 20253611 AMAQI
13th Sep 20253512 PMAQI
13th Sep 2025371 PMAQI
13th Sep 2025392 PMAQI
13th Sep 2025383 PMAQI
13th Sep 2025404 PMAQI
13th Sep 2025435 PMAQI
13th Sep 2025426 PMAQI
13th Sep 2025397 PMAQI
13th Sep 2025388 PMAQI
13th Sep 2025409 PMAQI
13th Sep 20254110 PMAQI
13th Sep 20254111 PMAQI
14th Sep 20254312 AMAQI
14th Sep 2025461 AMAQI
14th Sep 2025522 AMAQI
14th Sep 2025503 AMAQI
14th Sep 2025494 AMAQI
14th Sep 2025455 AMAQI
14th Sep 2025436 AMAQI

24°C20/29°C

14th Sep 2025437 AMAQI
14th Sep 2025428 AMAQI
14th Sep 2025429 AMAQI
14th Sep 20254210 AMAQI
14th Sep 20254011 AMAQI
14th Sep 20253812 PMAQI
14th Sep 2025361 PMAQI
14th Sep 2025362 PMAQI
14th Sep 2025323 PMAQI
14th Sep 2025314 PMAQI
14th Sep 2025335 PMAQI
14th Sep 2025366 PMAQI
14th Sep 2025407 PMAQI
14th Sep 2025418 PMAQI
14th Sep 2025419 PMAQI
14th Sep 20254310 PMAQI
14th Sep 20254411 PMAQI
15th Sep 20254412 AMAQI
15th Sep 2025531 AMAQI
15th Sep 2025552 AMAQI
15th Sep 2025563 AMAQI
15th Sep 2025534 AMAQI
15th Sep 2025535 AMAQI
15th Sep 2025536 AMAQI

25°C19/32°C

15th Sep 2025507 AMAQI
15th Sep 2025458 AMAQI
15th Sep 2025629 AMAQI
15th Sep 20255510 AMAQI
15th Sep 20255311 AMAQI
15th Sep 20255212 PMAQI
15th Sep 2025521 PMAQI
15th Sep 2025522 PMAQI
15th Sep 2025533 PMAQI
15th Sep 2025524 PMAQI
15th Sep 2025525 PMAQI
15th Sep 2025516 PMAQI
15th Sep 2025527 PMAQI
15th Sep 2025528 PMAQI
15th Sep 2025529 PMAQI
15th Sep 20255310 PMAQI
15th Sep 20255411 PMAQI
16th Sep 20255512 AMAQI
16th Sep 2025541 AMAQI
16th Sep 2025532 AMAQI
16th Sep 2025533 AMAQI
16th Sep 2025534 AMAQI
16th Sep 2025535 AMAQI
16th Sep 2025556 AMAQI

25°C18/32°C

16th Sep 2025567 AMAQI
16th Sep 2025568 AMAQI
16th Sep 2025569 AMAQI
16th Sep 20255410 AMAQI
16th Sep 20255311 AMAQI
16th Sep 20255012 PMAQI
16th Sep 2025461 PMAQI
16th Sep 2025482 PMAQI
16th Sep 2025503 PMAQI
16th Sep 2025474 PMAQI
16th Sep 2025485 PMAQI
16th Sep 2025496 PMAQI
16th Sep 2025527 PMAQI
16th Sep 2025528 PMAQI
16th Sep 2025519 PMAQI
16th Sep 20255410 PMAQI
16th Sep 20255811 PMAQI
17th Sep 20255212 AMAQI
17th Sep 2025551 AMAQI
17th Sep 2025552 AMAQI
17th Sep 2025543 AMAQI
17th Sep 2025534 AMAQI
17th Sep 2025545 AMAQI
17th Sep 2025536 AMAQI

25°C19/32°C

17th Sep 2025567 AMAQI
17th Sep 2025548 AMAQI
17th Sep 2025639 AMAQI
17th Sep 20255110 AMAQI
17th Sep 20255011 AMAQI
17th Sep 20255212 PMAQI
17th Sep 2025531 PMAQI
17th Sep 2025542 PMAQI
17th Sep 2025543 PMAQI
17th Sep 2025544 PMAQI
17th Sep 2025545 PMAQI
17th Sep 2025536 PMAQI
17th Sep 2025527 PMAQI
17th Sep 2025528 PMAQI
17th Sep 2025529 PMAQI
17th Sep 20255010 PMAQI
17th Sep 20255111 PMAQI
18th Sep 20255312 AMAQI
18th Sep 2025481 AMAQI
18th Sep 2025492 AMAQI
18th Sep 2025483 AMAQI
18th Sep 2025524 AMAQI
18th Sep 2025545 AMAQI
18th Sep 2025546 AMAQI

26°C20/33°C

18th Sep 2025537 AMAQI
18th Sep 2025548 AMAQI
18th Sep 2025539 AMAQI
18th Sep 20255210 AMAQI
18th Sep 20255211 AMAQI
18th Sep 20255412 PMAQI
18th Sep 2025541 PMAQI
18th Sep 2025542 PMAQI
18th Sep 2025543 PMAQI
18th Sep 2025534 PMAQI
18th Sep 2025535 PMAQI
18th Sep 2025516 PMAQI
18th Sep 2025517 PMAQI
18th Sep 2025508 PMAQI
18th Sep 2025439 PMAQI
18th Sep 20254310 PMAQI
18th Sep 20254611 PMAQI
19th Sep 20255212 AMAQI
19th Sep 2025461 AMAQI
19th Sep 2025442 AMAQI
19th Sep 2025433 AMAQI
19th Sep 2025444 AMAQI
19th Sep 2025445 AMAQI
19th Sep 2025486 AMAQI

27°C23/34°C

19th Sep 2025507 AMAQI
19th Sep 2025528 AMAQI
19th Sep 2025499 AMAQI
19th Sep 20254910 AMAQI
19th Sep 20255111 AMAQI
19th Sep 20255212 PMAQI
19th Sep 2025531 PMAQI
19th Sep 2025522 PMAQI
19th Sep 2025523 PMAQI
19th Sep 2025534 PMAQI
19th Sep 2025515 PMAQI
19th Sep 2025526 PMAQI
19th Sep 2025497 PMAQI
19th Sep 2025488 PMAQI
19th Sep 2025509 PMAQI
19th Sep 20255110 PMAQI
19th Sep 20255011 PMAQI
20th Sep 20255212 AMAQI
20th Sep 2025521 AMAQI
20th Sep 2025522 AMAQI
20th Sep 2025533 AMAQI
20th Sep 2025554 AMAQI
20th Sep 2025565 AMAQI
20th Sep 2025566 AMAQI

25°C22/32°C

20th Sep 2025567 AMAQI
20th Sep 2025588 AMAQI
20th Sep 2025579 AMAQI
20th Sep 20255810 AMAQI
20th Sep 20255711 AMAQI
20th Sep 20255612 PMAQI
20th Sep 2025561 PMAQI
20th Sep 2025542 PMAQI
20th Sep 2025533 PMAQI
20th Sep 2025524 PMAQI
20th Sep 2025525 PMAQI
20th Sep 2025526 PMAQI
20th Sep 2025547 PMAQI
20th Sep 2025518 PMAQI
20th Sep 2025509 PMAQI
20th Sep 20255010 PMAQI
20th Sep 20255011 PMAQI
21st Sep 20255112 AMAQI
21st Sep 2025451 AMAQI
21st Sep 2025462 AMAQI
21st Sep 2025473 AMAQI
21st Sep 2025474 AMAQI
21st Sep 2025485 AMAQI
21st Sep 2025486 AMAQI

25°C21/33°C

21st Sep 2025487 AMAQI
21st Sep 2025448 AMAQI
21st Sep 2025549 AMAQI
21st Sep 20255010 AMAQI
21st Sep 20254411 AMAQI
21st Sep 20254412 PMAQI
21st Sep 2025431 PMAQI
21st Sep 2025442 PMAQI
21st Sep 2025443 PMAQI
21st Sep 2025444 PMAQI
21st Sep 2025465 PMAQI
21st Sep 2025456 PMAQI
21st Sep 2025467 PMAQI
21st Sep 2025458 PMAQI
21st Sep 2025469 PMAQI
21st Sep 20255210 PMAQI
21st Sep 20255011 PMAQI
22nd Sep 20254612 AMAQI
22nd Sep 2025451 AMAQI
22nd Sep 2025472 AMAQI
22nd Sep 2025483 AMAQI
22nd Sep 2025434 AMAQI
22nd Sep 2025455 AMAQI
22nd Sep 2025496 AMAQI

25°C21/29°C

22nd Sep 2025497 AMAQI
22nd Sep 2025468 AMAQI
22nd Sep 2025509 AMAQI
22nd Sep 20254510 AMAQI
22nd Sep 20254411 AMAQI
22nd Sep 20254112 PMAQI
22nd Sep 2025421 PMAQI
22nd Sep 2025432 PMAQI
22nd Sep 2025453 PMAQI
22nd Sep 2025434 PMAQI
22nd Sep 2025425 PMAQI
22nd Sep 2025416 PMAQI
22nd Sep 2025437 PMAQI
22nd Sep 2025428 PMAQI
22nd Sep 2025409 PMAQI
22nd Sep 20254010 PMAQI
22nd Sep 20253911 PMAQI
23rd Sep 20253812 AMAQI
23rd Sep 2025371 AMAQI
23rd Sep 2025452 AMAQI
23rd Sep 2025443 AMAQI
23rd Sep 2025384 AMAQI
23rd Sep 2025395 AMAQI
23rd Sep 2025446 AMAQI

24°C22/29°C

23rd Sep 2025427 AMAQI
23rd Sep 2025428 AMAQI
23rd Sep 2025429 AMAQI
23rd Sep 20254410 AMAQI
23rd Sep 20254011 AMAQI
23rd Sep 20253612 PMAQI
23rd Sep 2025331 PMAQI
23rd Sep 2025342 PMAQI
23rd Sep 2025373 PMAQI
23rd Sep 2025364 PMAQI
23rd Sep 2025345 PMAQI
23rd Sep 2025326 PMAQI
23rd Sep 2025417 PMAQI
23rd Sep 2025418 PMAQI
23rd Sep 2025339 PMAQI
23rd Sep 20253410 PMAQI
23rd Sep 20253311 PMAQI
24th Sep 20253212 AMAQI
24th Sep 2025241 AMAQI
24th Sep 2025222 AMAQI
24th Sep 2025233 AMAQI
24th Sep 2025224 AMAQI
24th Sep 2025225 AMAQI
24th Sep 2025266 AMAQI

25°C22/29°C

24th Sep 2025267 AMAQI
24th Sep 2025278 AMAQI
24th Sep 2025279 AMAQI
24th Sep 20252710 AMAQI
24th Sep 20253211 AMAQI
24th Sep 20253312 PMAQI
24th Sep 2025311 PMAQI
24th Sep 2025312 PMAQI
24th Sep 2025313 PMAQI
24th Sep 2025324 PMAQI
24th Sep 2025305 PMAQI
24th Sep 2025306 PMAQI
24th Sep 2025277 PMAQI
24th Sep 2025268 PMAQI
24th Sep 2025269 PMAQI
24th Sep 20252510 PMAQI
24th Sep 20252411 PMAQI
25th Sep 20252312 AMAQI
25th Sep 2025221 AMAQI
25th Sep 2025232 AMAQI
25th Sep 2025233 AMAQI
25th Sep 2025224 AMAQI
25th Sep 2025215 AMAQI
25th Sep 2025236 AMAQI

26°C23/29°C

25th Sep 2025227 AMAQI
25th Sep 2025238 AMAQI
25th Sep 2025269 AMAQI
25th Sep 20252710 AMAQI
25th Sep 20252811 AMAQI
25th Sep 20252912 PMAQI
25th Sep 2025311 PMAQI
25th Sep 2025312 PMAQI
25th Sep 2025303 PMAQI
25th Sep 2025304 PMAQI
25th Sep 2025325 PMAQI
25th Sep 2025316 PMAQI
25th Sep 2025297 PMAQI
25th Sep 2025288 PMAQI
25th Sep 2025289 PMAQI
25th Sep 20252810 PMAQI
25th Sep 20252711 PMAQI
26th Sep 20252612 AMAQI
26th Sep 2025261 AMAQI
26th Sep 2025252 AMAQI
26th Sep 2025263 AMAQI
26th Sep 2025284 AMAQI
26th Sep 2025305 AMAQI
26th Sep 2025316 AMAQI

27°C25/31°C

26th Sep 2025317 AMAQI
26th Sep 2025398 AMAQI
26th Sep 2025429 AMAQI
26th Sep 20253510 AMAQI
26th Sep 20253311 AMAQI
26th Sep 20252912 PMAQI
26th Sep 2025311 PMAQI
26th Sep 2025322 PMAQI
26th Sep 2025313 PMAQI
26th Sep 2025314 PMAQI
26th Sep 2025315 PMAQI
26th Sep 2025316 PMAQI
26th Sep 2025307 PMAQI
26th Sep 2025348 PMAQI
26th Sep 2025239 PMAQI
26th Sep 20252510 PMAQI
26th Sep 20253911 PMAQI
27th Sep 20251312 AMAQI
27th Sep 2025131 AMAQI
27th Sep 2025142 AMAQI
27th Sep 2025223 AMAQI
27th Sep 2025154 AMAQI
27th Sep 2025155 AMAQI
27th Sep 2025226 AMAQI

27°C25/30°C

27th Sep 2025317 AMAQI
27th Sep 2025398 AMAQI
27th Sep 2025729 AMAQI
27th Sep 20255210 AMAQI
27th Sep 20252811 AMAQI
27th Sep 20251912 PMAQI
27th Sep 2025201 PMAQI
27th Sep 2025172 PMAQI
27th Sep 2025173 PMAQI
27th Sep 2025134 PMAQI
27th Sep 2025115 PMAQI
27th Sep 2025116 PMAQI
27th Sep 2025117 PMAQI
27th Sep 2025158 PMAQI
27th Sep 2025179 PMAQI
27th Sep 20251710 PMAQI
27th Sep 20251611 PMAQI
28th Sep 20251712 AMAQI
28th Sep 2025201 AMAQI
28th Sep 2025322 AMAQI
28th Sep 2025603 AMAQI
28th Sep 2025304 AMAQI
28th Sep 2025305 AMAQI
28th Sep 2025406 AMAQI

25°C23/28°C

28th Sep 2025417 AMAQI
28th Sep 2025278 AMAQI
28th Sep 2025249 AMAQI
28th Sep 20252010 AMAQI
28th Sep 20251711 AMAQI
28th Sep 20253612 PMAQI
28th Sep 2025531 PMAQI
28th Sep 2025532 PMAQI
28th Sep 2025523 PMAQI
28th Sep 2025484 PMAQI
28th Sep 2025425 PMAQI
28th Sep 2025416 PMAQI
28th Sep 2025487 PMAQI
28th Sep 2025538 PMAQI
28th Sep 2025539 PMAQI
28th Sep 20255310 PMAQI
28th Sep 20255411 PMAQI
29th Sep 20255412 AMAQI
29th Sep 2025531 AMAQI
29th Sep 2025522 AMAQI
29th Sep 2025483 AMAQI
29th Sep 2025444 AMAQI
29th Sep 2025425 AMAQI
29th Sep 2025396 AMAQI

25°C23/29°C

29th Sep 2025367 AMAQI
29th Sep 2025378 AMAQI
29th Sep 2025389 AMAQI
29th Sep 20253610 AMAQI
29th Sep 20253511 AMAQI
29th Sep 20253312 PMAQI
29th Sep 2025281 PMAQI
29th Sep 2025282 PMAQI
29th Sep 2025223 PMAQI
29th Sep 2025254 PMAQI
29th Sep 2025175 PMAQI
29th Sep 2025186 PMAQI
29th Sep 2025217 PMAQI
29th Sep 2025258 PMAQI
29th Sep 2025279 PMAQI
29th Sep 20252310 PMAQI
29th Sep 20252411 PMAQI
30th Sep 20252112 AMAQI
30th Sep 2025261 AMAQI
30th Sep 2025272 AMAQI
30th Sep 2025313 AMAQI
30th Sep 2025374 AMAQI
30th Sep 2025365 AMAQI
30th Sep 2025346 AMAQI

24°C23/29°C

30th Sep 2025367 AMAQI
30th Sep 2025338 AMAQI
30th Sep 2025359 AMAQI
30th Sep 20253610 AMAQI
30th Sep 20253511 AMAQI
30th Sep 20253912 PMAQI
30th Sep 2025331 PMAQI
30th Sep 2025342 PMAQI
30th Sep 2025393 PMAQI
30th Sep 2025404 PMAQI
30th Sep 2025475 PMAQI
30th Sep 2025456 PMAQI
30th Sep 2025527 PMAQI
30th Sep 2025508 PMAQI
30th Sep 2025579 PMAQI
30th Sep 20255510 PMAQI
30th Sep 20256111 PMAQI
1st Oct 20256212 AMAQI
1st Oct 2025601 AMAQI
1st Oct 2025612 AMAQI
1st Oct 2025613 AMAQI
1st Oct 2025584 AMAQI
1st Oct 2025625 AMAQI
1st Oct 2025576 AMAQI

23°C22/25°C

1st Oct 2025567 AMAQI
1st Oct 2025568 AMAQI
1st Oct 2025559 AMAQI
1st Oct 20255610 AMAQI
1st Oct 20255511 AMAQI
1st Oct 20255412 PMAQI
1st Oct 2025541 PMAQI
1st Oct 2025542 PMAQI
1st Oct 2025553 PMAQI
1st Oct 2025554 PMAQI
1st Oct 2025555 PMAQI
1st Oct 2025556 PMAQI
1st Oct 2025557 PMAQI
1st Oct 2025568 PMAQI
1st Oct 2025559 PMAQI
1st Oct 20255510 PMAQI
1st Oct 20255511 PMAQI
2nd Oct 20255412 AMAQI
2nd Oct 2025521 AMAQI
2nd Oct 2025482 AMAQI
2nd Oct 2025453 AMAQI
2nd Oct 2025454 AMAQI
2nd Oct 2025485 AMAQI
2nd Oct 2025386 AMAQI

24°C20/28°C

2nd Oct 2025427 AMAQI
2nd Oct 2025428 AMAQI
2nd Oct 2025429 AMAQI
2nd Oct 20253710 AMAQI
2nd Oct 20253511 AMAQI
2nd Oct 20253412 PMAQI
2nd Oct 2025371 PMAQI
2nd Oct 2025362 PMAQI
2nd Oct 2025393 PMAQI
2nd Oct 2025374 PMAQI
2nd Oct 2025445 PMAQI
2nd Oct 2025526 PMAQI
2nd Oct 2025497 PMAQI
2nd Oct 2025418 PMAQI
2nd Oct 2025379 PMAQI
2nd Oct 20253610 PMAQI
2nd Oct 20253811 PMAQI
3rd Oct 20253512 AMAQI
3rd Oct 2025411 AMAQI
3rd Oct 2025362 AMAQI
3rd Oct 2025373 AMAQI
3rd Oct 2025384 AMAQI
3rd Oct 2025405 AMAQI
3rd Oct 2025506 AMAQI

22°C17/27°C

3rd Oct 2025487 AMAQI
3rd Oct 2025448 AMAQI
3rd Oct 2025419 AMAQI
3rd Oct 20253810 AMAQI
3rd Oct 20253911 AMAQI
3rd Oct 20254512 PMAQI
3rd Oct 2025421 PMAQI
3rd Oct 2025382 PMAQI
3rd Oct 2025333 PMAQI
3rd Oct 2025374 PMAQI
3rd Oct 2025415 PMAQI
3rd Oct 2025386 PMAQI
3rd Oct 2025347 PMAQI
3rd Oct 2025288 PMAQI
3rd Oct 2025359 PMAQI
3rd Oct 20253910 PMAQI
3rd Oct 20252611 PMAQI
4th Oct 20251812 AMAQI
4th Oct 2025191 AMAQI
4th Oct 2025332 AMAQI
4th Oct 2025473 AMAQI
4th Oct 2025584 AMAQI
4th Oct 2025535 AMAQI
4th Oct 2025446 AMAQI

22°C17/28°C

4th Oct 2025407 AMAQI
4th Oct 2025468 AMAQI
4th Oct 2025409 AMAQI
4th Oct 20252310 AMAQI
4th Oct 20253311 AMAQI
4th Oct 20254012 PMAQI
4th Oct 2025361 PMAQI
4th Oct 2025262 PMAQI
4th Oct 2025243 PMAQI
4th Oct 2025284 PMAQI
4th Oct 2025255 PMAQI
4th Oct 2025206 PMAQI
4th Oct 2025167 PMAQI
4th Oct 2025158 PMAQI
4th Oct 2025149 PMAQI
4th Oct 20251310 PMAQI
4th Oct 20251411 PMAQI
5th Oct 20251412 AMAQI
5th Oct 2025191 AMAQI
5th Oct 2025132 AMAQI
5th Oct 2025133 AMAQI
5th Oct 2025134 AMAQI
5th Oct 2025115 AMAQI
5th Oct 2025136 AMAQI

24°C21/28°C

5th Oct 2025127 AMAQI
5th Oct 2025128 AMAQI
5th Oct 2025109 AMAQI
5th Oct 20251010 AMAQI
5th Oct 20251311 AMAQI
5th Oct 20251312 PMAQI
5th Oct 2025331 PMAQI
5th Oct 2025372 PMAQI
5th Oct 2025233 PMAQI
5th Oct 2025354 PMAQI
5th Oct 2025385 PMAQI
5th Oct 2025256 PMAQI
5th Oct 2025167 PMAQI
5th Oct 2025168 PMAQI
5th Oct 2025339 PMAQI
5th Oct 20252010 PMAQI
5th Oct 20251211 PMAQI
6th Oct 20251112 AMAQI
6th Oct 2025131 AMAQI
6th Oct 2025122 AMAQI
6th Oct 2025123 AMAQI
6th Oct 2025134 AMAQI
6th Oct 2025135 AMAQI
6th Oct 2025136 AMAQI

25°C23/28°C

6th Oct 2025137 AMAQI
6th Oct 2025138 AMAQI
6th Oct 2025309 AMAQI
6th Oct 20252110 AMAQI
6th Oct 20251311 AMAQI
6th Oct 20251512 PMAQI
6th Oct 2025171 PMAQI

25°C23/28°C

7th Oct 2025217 AMAQI
7th Oct 2025138 AMAQI
7th Oct 2025139 AMAQI
7th Oct 20251010 AMAQI
7th Oct 20253911 AMAQI
7th Oct 20254312 PMAQI
7th Oct 2025161 PMAQI
7th Oct 2025152 PMAQI
7th Oct 2025263 PMAQI
7th Oct 2025214 PMAQI
7th Oct 2025185 PMAQI
7th Oct 2025186 PMAQI
7th Oct 2025187 PMAQI
7th Oct 2025168 PMAQI
7th Oct 2025169 PMAQI
7th Oct 20251710 PMAQI
7th Oct 20251611 PMAQI
8th Oct 20251712 AMAQI
8th Oct 2025181 AMAQI
8th Oct 2025162 AMAQI
8th Oct 2025363 AMAQI
8th Oct 2025364 AMAQI
8th Oct 2025475 AMAQI
8th Oct 2025486 AMAQI

25°C22/28°C

8th Oct 2025457 AMAQI
8th Oct 2025418 AMAQI
8th Oct 2025469 AMAQI
8th Oct 20255010 AMAQI
8th Oct 20254811 AMAQI
8th Oct 20254612 PMAQI
8th Oct 2025421 PMAQI
8th Oct 2025402 PMAQI
8th Oct 2025443 PMAQI
8th Oct 2025324 PMAQI
8th Oct 2025355 PMAQI
8th Oct 2025246 PMAQI
8th Oct 2025197 PMAQI
8th Oct 2025198 PMAQI
8th Oct 2025189 PMAQI
8th Oct 20251910 PMAQI
8th Oct 20251711 PMAQI
9th Oct 20251712 AMAQI
9th Oct 2025141 AMAQI
9th Oct 2025132 AMAQI
9th Oct 2025133 AMAQI
9th Oct 2025134 AMAQI
9th Oct 2025125 AMAQI
9th Oct 2025106 AMAQI

25°C22/28°C

9th Oct 202597 AMAQI
9th Oct 202588 AMAQI
9th Oct 2025109 AMAQI
9th Oct 20251010 AMAQI
9th Oct 20251111 AMAQI
9th Oct 20251112 PMAQI
9th Oct 2025121 PMAQI
9th Oct 2025132 PMAQI
9th Oct 2025313 PMAQI
9th Oct 2025434 PMAQI
9th Oct 2025465 PMAQI
9th Oct 2025246 PMAQI
9th Oct 2025147 PMAQI
9th Oct 2025148 PMAQI
9th Oct 2025349 PMAQI
9th Oct 20254010 PMAQI
9th Oct 20253811 PMAQI
10th Oct 20253712 AMAQI
10th Oct 2025381 AMAQI
10th Oct 2025392 AMAQI
10th Oct 2025373 AMAQI
10th Oct 2025224 AMAQI
10th Oct 2025165 AMAQI
10th Oct 2025366 AMAQI

21°C18/24°C

10th Oct 2025217 AMAQI
10th Oct 2025348 AMAQI
10th Oct 2025249 AMAQI
10th Oct 20251910 AMAQI
10th Oct 20252011 AMAQI
10th Oct 20253612 PMAQI
10th Oct 2025381 PMAQI
10th Oct 2025422 PMAQI
10th Oct 2025383 PMAQI
10th Oct 2025414 PMAQI
10th Oct 2025445 PMAQI
10th Oct 2025386 PMAQI
10th Oct 2025407 PMAQI
10th Oct 2025418 PMAQI
10th Oct 2025409 PMAQI
10th Oct 20252110 PMAQI
10th Oct 20251311 PMAQI
11th Oct 20251512 AMAQI
11th Oct 2025151 AMAQI
11th Oct 2025122 AMAQI
11th Oct 2025113 AMAQI
11th Oct 2025124 AMAQI
11th Oct 2025135 AMAQI

20°C17/24°C

7 AM
1 PM
7 PM
1 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
9 AM

41AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
10 AM - 7 PM

38AQI

10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 41), while the lowest AQI was between 10 AM to 7 PM (Avg. 38).
Night time
Avg. Highest Time
6 AM

40AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM - 2 AM

36AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 AM (Avg. 40), while the lowest AQI was between 12 AM to 2 AM (Avg. 36).

2025 Days Vs Air Quality

Charleston Public Works, Charleston, South Carolina, United States

2025

88%

250

12%

33

Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)

Good
250 Days
Moderate
33 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 88%

Health Risk Level:

Low

In 2025, 88% of 284 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights

Charleston Public Works, Charleston, South Carolina, United States

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
41AQI
2nd January 2025
43AQI
3rd January 2025
41AQI
4th January 2025
32AQI
5th January 2025
38AQI
6th January 2025
51AQI
7th January 2025
35AQI
8th January 2025
35AQI
9th January 2025
37AQI
10th January 2025
43AQI
11th January 2025
27AQI
12th January 2025
32AQI
13th January 2025
39AQI
14th January 2025
34AQI
15th January 2025
32AQI
16th January 2025
44AQI
17th January 2025
41AQI
18th January 2025
32AQI
19th January 2025
28AQI
20th January 2025
23AQI
21st January 2025
26AQI
22nd January 2025
28AQI
23rd January 2025
36AQI
24th January 2025
42AQI
25th January 2025
45AQI
26th January 2025
43AQI
27th January 2025
43AQI
28th January 2025
29AQI
29th January 2025
34AQI
30th January 2025
39AQI
31st January 2025
41AQI
1st February 2025
33AQI
2nd February 2025
38AQI
3rd February 2025
40AQI
4th February 2025
49AQI
5th February 2025
53AQI
6th February 2025
52AQI
7th February 2025
50AQI
8th February 2025
48AQI
9th February 2025
38AQI
10th February 2025
48AQI
11th February 2025
43AQI
12th February 2025
36AQI
13th February 2025
31AQI
14th February 2025
28AQI
15th February 2025
37AQI
16th February 2025
31AQI
17th February 2025
33AQI
18th February 2025
40AQI
19th February 2025
30AQI
20th February 2025
34AQI
21st February 2025
27AQI
22nd February 2025
44AQI
23rd February 2025
57AQI
24th February 2025
59AQI
25th February 2025
65AQI
26th February 2025
81AQI
27th February 2025
71AQI
28th February 2025
42AQI
1st March 2025
60AQI
2nd March 2025
48AQI
3rd March 2025
42AQI
4th March 2025
35AQI
5th March 2025
52AQI
6th March 2025
29AQI
7th March 2025
35AQI
8th March 2025
49AQI
9th March 2025
31AQI
10th March 2025
43AQI
11th March 2025
44AQI
12th March 2025
49AQI
13th March 2025
48AQI
14th March 2025
46AQI
15th March 2025
39AQI
16th March 2025
53AQI
17th March 2025
38AQI
18th March 2025
26AQI
19th March 2025
44AQI
20th March 2025
38AQI
21st March 2025
33AQI
22nd March 2025
55AQI
23rd March 2025
52AQI
24th March 2025
39AQI
25th March 2025
33AQI
26th March 2025
39AQI
27th March 2025
37AQI
28th March 2025
41AQI
29th March 2025
36AQI
30th March 2025
37AQI
31st March 2025
30AQI
1st April 2025
43AQI
2nd April 2025
43AQI
3rd April 2025
43AQI
4th April 2025
45AQI
5th April 2025
37AQI
6th April 2025
36AQI
7th April 2025
45AQI
8th April 2025
30AQI
9th April 2025
42AQI
10th April 2025
38AQI
11th April 2025
35AQI
12th April 2025
29AQI
13th April 2025
34AQI
14th April 2025
40AQI
15th April 2025
52AQI
16th April 2025
46AQI
17th April 2025
52AQI
18th April 2025
36AQI
19th April 2025
29AQI
20th April 2025
29AQI
21st April 2025
36AQI
22nd April 2025
40AQI
23rd April 2025
41AQI
24th April 2025
43AQI
25th April 2025
42AQI
26th April 2025
42AQI
27th April 2025
43AQI
28th April 2025
35AQI
29th April 2025
26AQI
30th April 2025
30AQI
1st May 2025
35AQI
2nd May 2025
41AQI
3rd May 2025
35AQI
4th May 2025
32AQI
5th May 2025
32AQI
6th May 2025
41AQI
7th May 2025
48AQI
8th May 2025
47AQI
9th May 2025
31AQI
10th May 2025
34AQI
11th May 2025
28AQI
12th May 2025
34AQI
13th May 2025
29AQI
14th May 2025
33AQI
15th May 2025
44AQI
16th May 2025
53AQI
17th May 2025
48AQI
18th May 2025
43AQI
19th May 2025
41AQI
20th May 2025
51AQI
21st May 2025
47AQI
22nd May 2025
31AQI
23rd May 2025
42AQI
24th May 2025
34AQI
25th May 2025
38AQI
26th May 2025
39AQI
27th May 2025
34AQI
28th May 2025
33AQI
29th May 2025
36AQI
30th May 2025
31AQI
31st May 2025
34AQI
1st June 2025
56AQI
2nd June 2025
62AQI
3rd June 2025
60AQI
4th June 2025
54AQI
5th June 2025
45AQI
6th June 2025
42AQI
7th June 2025
51AQI
8th June 2025
49AQI
9th June 2025
44AQI
10th June 2025
41AQI
11th June 2025
40AQI
12th June 2025
30AQI
13th June 2025
41AQI
14th June 2025
39AQI
15th June 2025
32AQI
16th June 2025
29AQI
17th June 2025
32AQI
18th June 2025
34AQI
19th June 2025
32AQI
20th June 2025
36AQI
21st June 2025
36AQI
22nd June 2025
36AQI
23rd June 2025
34AQI
24th June 2025
39AQI
25th June 2025
50AQI
26th June 2025
47AQI
27th June 2025
32AQI
28th June 2025
27AQI
29th June 2025
36AQI
30th June 2025
38AQI
1st July 2025
44AQI
2nd July 2025
49AQI
3rd July 2025
42AQI
4th July 2025
43AQI
5th July 2025
37AQI
6th July 2025
30AQI
7th July 2025
34AQI
8th July 2025
37AQI
9th July 2025
36AQI
10th July 2025
33AQI
11th July 2025
32AQI
12th July 2025
36AQI
13th July 2025
37AQI
14th July 2025
36AQI
15th July 2025
34AQI
16th July 2025
42AQI
17th July 2025
37AQI
18th July 2025
33AQI
19th July 2025
36AQI
20th July 2025
40AQI
21st July 2025
40AQI
22nd July 2025
46AQI
23rd July 2025
43AQI
24th July 2025
30AQI
25th July 2025
35AQI
26th July 2025
55AQI
27th July 2025
38AQI
28th July 2025
41AQI
29th July 2025
39AQI
30th July 2025
40AQI
31st July 2025
48AQI
1st August 2025
45AQI
2nd August 2025
33AQI
3rd August 2025
38AQI
4th August 2025
39AQI
5th August 2025
37AQI
6th August 2025
38AQI
7th August 2025
33AQI
8th August 2025
55AQI
9th August 2025
48AQI
10th August 2025
28AQI
11th August 2025
25AQI
12th August 2025
24AQI
13th August 2025
23AQI
14th August 2025
27AQI
15th August 2025
36AQI
16th August 2025
41AQI
17th August 2025
47AQI
18th August 2025
53AQI
19th August 2025
54AQI
20th August 2025
53AQI
21st August 2025
48AQI
22nd August 2025
38AQI
23rd August 2025
27AQI
24th August 2025
30AQI
25th August 2025
34AQI
26th August 2025
46AQI
27th August 2025
48AQI
28th August 2025
42AQI
29th August 2025
49AQI
30th August 2025
44AQI
31st August 2025
39AQI
1st September 2025
28AQI
2nd September 2025
32AQI
3rd September 2025
35AQI
4th September 2025
40AQI
5th September 2025
33AQI
6th September 2025
28AQI
7th September 2025
30AQI
8th September 2025
45AQI
9th September 2025
39AQI
10th September 2025
39AQI
11th September 2025
40AQI
12th September 2025
34AQI
13th September 2025
39AQI
14th September 2025
42AQI
15th September 2025
53AQI
16th September 2025
52AQI
17th September 2025
53AQI
18th September 2025
51AQI
19th September 2025
49AQI
20th September 2025
53AQI
21st September 2025
47AQI
22nd September 2025
44AQI
23rd September 2025
38AQI
24th September 2025
27AQI
25th September 2025
26AQI
26th September 2025
30AQI
27th September 2025
20AQI
28th September 2025
39AQI
29th September 2025
34AQI
30th September 2025
40AQI
1st October 2025
57AQI
2nd October 2025
43AQI
3rd October 2025
38AQI
4th October 2025
30AQI
5th October 2025
18AQI
6th October 2025
12AQI
7th October 2025
20AQI
8th October 2025
32AQI
9th October 2025
19AQI
10th October 2025
32AQI
11th October 2025
12th October 2025
13th October 2025
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

37AQI

44AQI

41AQI

39AQI

38AQI

41AQI

39AQI

39AQI

39AQI

30AQI

No. of days

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

202539AQI

30
1
21
7
26
5
28
2
29
2
25
5
30
1
27
4
25
5
9
1
250
33

Highest AQI recorded in

February

44AQI

Lowest AQI recorded in

October

30AQI

202436AQI

15
1
1
12
29
31
31
25
3
27
4
23
7
20
11
214
26

Highest AQI recorded in

December

46AQI

Lowest AQI recorded in

January

29AQI

202327AQI

3
31
34

Highest AQI recorded in

November

38AQI

Lowest AQI recorded in

December

26AQI

202132AQI

30
26
2
31
27
3
30
30
31
25
6
29
1
31
9
299
12

Highest AQI recorded in

August

37AQI

Lowest AQI recorded in

October

28AQI

202031AQI

11
27
3
29
1
29
1
28
3
124
8

Highest AQI recorded in

December

33AQI

Lowest AQI recorded in

November

28AQI

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2025(Avg.)
39AQI
Least Polluted Year Recorded
2023(Avg.)
27AQI

Charleston Public Works's annual 2025 AQI (39) shows an average percentage change of 26.7% (worsened AQI) compared to previous years: 2020 (31), 2021 (32), 2023 (27), 2024 (36).