Country Background

Mount Pleasant, 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

Mount Pleasant, South Carolina, United States

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
3rd Oct 2023
58AQI
Lowest AQI recorded on
6th Oct 2025
13AQI


Same Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 17th Oct - 18th Oct 2025

Mount Pleasant, South Carolina, United States

AQI
Day
Night
.

7 AM17th Oct 2025

7 PM

6 AM18th Oct 2025

Day time
Avg. Highest Time
7AM17th Oct

56AQI

Avg. Lowest Time
6PM17th Oct

18AQI

Night time
Avg. Highest Time
2AM18th Oct

58AQI

Avg. Lowest Time
8PM17th Oct

15AQI

In the last 24 hours,

Mount Pleasant's AQI reached its highest point of 58 at 2 AM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 17th Oct and 18th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Mount Pleasant, South Carolina, United States

SepOct
18th - 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 - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
18th Sep 2025507 AMAQI
18th Sep 2025498 AMAQI
18th Sep 2025489 AMAQI
18th Sep 20254710 AMAQI
18th Sep 20255011 AMAQI
18th Sep 20255212 PMAQI
18th Sep 2025531 PMAQI
18th Sep 2025522 PMAQI
18th Sep 2025523 PMAQI
18th Sep 2025514 PMAQI
18th Sep 2025495 PMAQI
18th Sep 2025476 PMAQI
18th Sep 2025487 PMAQI
18th Sep 2025468 PMAQI
18th Sep 2025439 PMAQI
18th Sep 20254310 PMAQI
18th Sep 20254411 PMAQI
19th Sep 20254412 AMAQI
19th Sep 2025361 AMAQI
19th Sep 2025362 AMAQI
19th Sep 2025383 AMAQI
19th Sep 2025374 AMAQI
19th Sep 2025365 AMAQI
19th Sep 2025386 AMAQI

26°C22/32°C

19th Sep 2025427 AMAQI
19th Sep 2025418 AMAQI
19th Sep 2025399 AMAQI
19th Sep 20254010 AMAQI
19th Sep 20254511 AMAQI
19th Sep 20255012 PMAQI
19th Sep 2025501 PMAQI
19th Sep 2025482 PMAQI
19th Sep 2025483 PMAQI
19th Sep 2025494 PMAQI
19th Sep 2025505 PMAQI
19th Sep 2025496 PMAQI
19th Sep 2025437 PMAQI
19th Sep 2025428 PMAQI
19th Sep 2025459 PMAQI
19th Sep 20254810 PMAQI
19th Sep 20254611 PMAQI
20th Sep 20254812 AMAQI
20th Sep 2025511 AMAQI
20th Sep 2025492 AMAQI
20th Sep 2025503 AMAQI
20th Sep 2025534 AMAQI
20th Sep 2025525 AMAQI
20th Sep 2025536 AMAQI

25°C21/29°C

20th Sep 2025537 AMAQI
20th Sep 2025548 AMAQI
20th Sep 2025549 AMAQI
20th Sep 20255410 AMAQI
20th Sep 20255311 AMAQI
20th Sep 20255512 PMAQI
20th Sep 2025551 PMAQI
20th Sep 2025532 PMAQI
20th Sep 2025523 PMAQI
20th Sep 2025524 PMAQI
20th Sep 2025525 PMAQI
20th Sep 2025506 PMAQI
20th Sep 2025527 PMAQI
20th Sep 2025508 PMAQI
20th Sep 2025489 PMAQI
20th Sep 20254610 PMAQI
20th Sep 20254811 PMAQI
21st Sep 20254612 AMAQI
21st Sep 2025361 AMAQI
21st Sep 2025382 AMAQI
21st Sep 2025393 AMAQI
21st Sep 2025404 AMAQI
21st Sep 2025395 AMAQI
21st Sep 2025396 AMAQI

24°C21/31°C

21st Sep 2025407 AMAQI
21st Sep 2025408 AMAQI
21st Sep 2025429 AMAQI
21st Sep 20254010 AMAQI
21st Sep 20254211 AMAQI
21st Sep 20254212 PMAQI
21st Sep 2025421 PMAQI
21st Sep 2025432 PMAQI
21st Sep 2025423 PMAQI
21st Sep 2025424 PMAQI
21st Sep 2025435 PMAQI
21st Sep 2025436 PMAQI
21st Sep 2025427 PMAQI
21st Sep 2025418 PMAQI
21st Sep 2025449 PMAQI
21st Sep 20254310 PMAQI
21st Sep 20254311 PMAQI
22nd Sep 20254212 AMAQI
22nd Sep 2025381 AMAQI
22nd Sep 2025422 AMAQI
22nd Sep 2025403 AMAQI
22nd Sep 2025404 AMAQI
22nd Sep 2025425 AMAQI
22nd Sep 2025446 AMAQI

24°C19/29°C

22nd Sep 2025447 AMAQI
22nd Sep 2025448 AMAQI
22nd Sep 2025459 AMAQI
22nd Sep 20254410 AMAQI
22nd Sep 20254311 AMAQI
22nd Sep 20254212 PMAQI
22nd Sep 2025391 PMAQI
22nd Sep 2025412 PMAQI
22nd Sep 2025433 PMAQI
22nd Sep 2025424 PMAQI
22nd Sep 2025415 PMAQI
22nd Sep 2025426 PMAQI
22nd Sep 2025427 PMAQI
22nd Sep 2025428 PMAQI
22nd Sep 2025419 PMAQI
22nd Sep 20254010 PMAQI
22nd Sep 20254011 PMAQI
23rd Sep 20253912 AMAQI
23rd Sep 2025351 AMAQI
23rd Sep 2025392 AMAQI
23rd Sep 2025413 AMAQI
23rd Sep 2025344 AMAQI
23rd Sep 2025345 AMAQI
23rd Sep 2025406 AMAQI

23°C20/28°C

23rd Sep 2025407 AMAQI
23rd Sep 2025408 AMAQI
23rd Sep 2025409 AMAQI
23rd Sep 20254210 AMAQI
23rd Sep 20253811 AMAQI
23rd Sep 20253612 PMAQI
23rd Sep 2025331 PMAQI
23rd Sep 2025342 PMAQI
23rd Sep 2025363 PMAQI
23rd Sep 2025364 PMAQI
23rd Sep 2025345 PMAQI
23rd Sep 2025326 PMAQI
23rd Sep 2025377 PMAQI
23rd Sep 2025398 PMAQI
23rd Sep 2025349 PMAQI
23rd Sep 20253410 PMAQI
23rd Sep 20253411 PMAQI
24th Sep 20253212 AMAQI
24th Sep 2025221 AMAQI
24th Sep 2025222 AMAQI
24th Sep 2025213 AMAQI
24th Sep 2025214 AMAQI
24th Sep 2025225 AMAQI
24th Sep 2025266 AMAQI

24°C20/30°C

24th Sep 2025257 AMAQI
24th Sep 2025288 AMAQI
24th Sep 2025259 AMAQI
24th Sep 20252610 AMAQI
24th Sep 20253011 AMAQI
24th Sep 20253112 PMAQI
24th Sep 2025301 PMAQI
24th Sep 2025292 PMAQI
24th Sep 2025283 PMAQI
24th Sep 2025274 PMAQI
24th Sep 2025265 PMAQI
24th Sep 2025266 PMAQI
24th Sep 2025267 PMAQI
24th Sep 2025268 PMAQI
24th Sep 2025239 PMAQI
24th Sep 20252410 PMAQI
24th Sep 20252411 PMAQI
25th Sep 20252112 AMAQI
25th Sep 2025201 AMAQI
25th Sep 2025222 AMAQI
25th Sep 2025233 AMAQI
25th Sep 2025204 AMAQI
25th Sep 2025175 AMAQI
25th Sep 2025196 AMAQI

25°C21/30°C

25th Sep 2025197 AMAQI
25th Sep 2025248 AMAQI
25th Sep 2025279 AMAQI
25th Sep 20252610 AMAQI
25th Sep 20252811 AMAQI
25th Sep 20252912 PMAQI
25th Sep 2025311 PMAQI
25th Sep 2025312 PMAQI
25th Sep 2025293 PMAQI
25th Sep 2025294 PMAQI
25th Sep 2025315 PMAQI
25th Sep 2025316 PMAQI
25th Sep 2025307 PMAQI
25th Sep 2025288 PMAQI
25th Sep 2025269 PMAQI
25th Sep 20252610 PMAQI
25th Sep 20252711 PMAQI
26th Sep 20252812 AMAQI
26th Sep 2025291 AMAQI
26th Sep 2025292 AMAQI
26th Sep 2025293 AMAQI
26th Sep 2025284 AMAQI
26th Sep 2025285 AMAQI
26th Sep 2025296 AMAQI

27°C23/32°C

26th Sep 2025267 AMAQI
26th Sep 2025238 AMAQI
26th Sep 2025339 AMAQI
26th Sep 20253310 AMAQI
26th Sep 20253211 AMAQI
26th Sep 20253112 PMAQI
26th Sep 2025341 PMAQI
26th Sep 2025362 PMAQI
26th Sep 2025343 PMAQI
26th Sep 2025334 PMAQI
26th Sep 2025335 PMAQI
26th Sep 2025356 PMAQI
26th Sep 2025347 PMAQI
26th Sep 2025358 PMAQI
26th Sep 2025279 PMAQI
26th Sep 20252610 PMAQI
26th Sep 20253811 PMAQI
27th Sep 20251512 AMAQI
27th Sep 2025171 AMAQI
27th Sep 2025172 AMAQI
27th Sep 2025223 AMAQI
27th Sep 2025174 AMAQI
27th Sep 2025175 AMAQI
27th Sep 2025216 AMAQI

27°C24/31°C

27th Sep 2025307 AMAQI
27th Sep 2025378 AMAQI
27th Sep 2025719 AMAQI
27th Sep 20255110 AMAQI
27th Sep 20252711 AMAQI
27th Sep 20252012 PMAQI
27th Sep 2025201 PMAQI
27th Sep 2025172 PMAQI
27th Sep 2025163 PMAQI
27th Sep 2025124 PMAQI
27th Sep 2025115 PMAQI
27th Sep 2025116 PMAQI
27th Sep 2025117 PMAQI
27th Sep 2025118 PMAQI
27th Sep 2025139 PMAQI
27th Sep 20251510 PMAQI
27th Sep 20251411 PMAQI
28th Sep 20251412 AMAQI
28th Sep 2025191 AMAQI
28th Sep 2025312 AMAQI
28th Sep 2025583 AMAQI
28th Sep 2025244 AMAQI
28th Sep 2025265 AMAQI
28th Sep 2025396 AMAQI

24°C22/26°C

28th Sep 2025377 AMAQI
28th Sep 2025218 AMAQI
28th Sep 2025189 AMAQI
28th Sep 20251810 AMAQI
28th Sep 20251811 AMAQI
28th Sep 20253312 PMAQI
28th Sep 2025451 PMAQI
28th Sep 2025442 PMAQI
28th Sep 2025433 PMAQI
28th Sep 2025404 PMAQI
28th Sep 2025385 PMAQI
28th Sep 2025386 PMAQI
28th Sep 2025387 PMAQI
28th Sep 2025468 PMAQI
28th Sep 2025449 PMAQI
28th Sep 20254410 PMAQI
28th Sep 20254411 PMAQI
29th Sep 20255012 AMAQI
29th Sep 2025501 AMAQI
29th Sep 2025502 AMAQI
29th Sep 2025433 AMAQI
29th Sep 2025494 AMAQI
29th Sep 2025445 AMAQI
29th Sep 2025466 AMAQI

24°C22/27°C

29th Sep 2025387 AMAQI
29th Sep 2025328 AMAQI
29th Sep 2025349 AMAQI
29th Sep 20253710 AMAQI
29th Sep 20253111 AMAQI
29th Sep 20253312 PMAQI
29th Sep 2025261 PMAQI
29th Sep 2025292 PMAQI
29th Sep 2025243 PMAQI
29th Sep 2025214 PMAQI
29th Sep 2025265 PMAQI
29th Sep 2025216 PMAQI
29th Sep 2025207 PMAQI
29th Sep 2025268 PMAQI
29th Sep 2025259 PMAQI
29th Sep 20252810 PMAQI
29th Sep 20252911 PMAQI
30th Sep 20252712 AMAQI
30th Sep 2025231 AMAQI
30th Sep 2025252 AMAQI
30th Sep 2025313 AMAQI
30th Sep 2025354 AMAQI
30th Sep 2025355 AMAQI
30th Sep 2025296 AMAQI

23°C21/27°C

30th Sep 2025307 AMAQI
30th Sep 2025328 AMAQI
30th Sep 2025329 AMAQI
30th Sep 20253310 AMAQI
30th Sep 20253111 AMAQI
30th Sep 20253112 PMAQI
30th Sep 2025271 PMAQI
30th Sep 2025322 PMAQI
30th Sep 2025323 PMAQI
30th Sep 2025374 PMAQI
30th Sep 2025415 PMAQI
30th Sep 2025486 PMAQI
30th Sep 2025497 PMAQI
30th Sep 2025518 PMAQI
30th Sep 2025489 PMAQI
30th Sep 20255310 PMAQI
30th Sep 20255711 PMAQI
1st Oct 20256112 AMAQI
1st Oct 2025611 AMAQI
1st Oct 2025602 AMAQI
1st Oct 2025593 AMAQI
1st Oct 2025584 AMAQI
1st Oct 2025575 AMAQI
1st Oct 2025566 AMAQI

22°C20/24°C

1st Oct 2025567 AMAQI
1st Oct 2025548 AMAQI
1st Oct 2025549 AMAQI
1st Oct 20255410 AMAQI
1st Oct 20255511 AMAQI
1st Oct 20255512 PMAQI
1st Oct 2025521 PMAQI
1st Oct 2025542 PMAQI
1st Oct 2025563 PMAQI
1st Oct 2025574 PMAQI
1st Oct 2025565 PMAQI
1st Oct 2025566 PMAQI
1st Oct 2025567 PMAQI
1st Oct 2025578 PMAQI
1st Oct 2025579 PMAQI
1st Oct 20255610 PMAQI
1st Oct 20255611 PMAQI
2nd Oct 20255412 AMAQI
2nd Oct 2025501 AMAQI
2nd Oct 2025442 AMAQI
2nd Oct 2025443 AMAQI
2nd Oct 2025434 AMAQI
2nd Oct 2025435 AMAQI
2nd Oct 2025396 AMAQI

21°C18/27°C

2nd Oct 2025377 AMAQI
2nd Oct 2025428 AMAQI
2nd Oct 2025409 AMAQI
2nd Oct 20253710 AMAQI
2nd Oct 20253611 AMAQI
2nd Oct 20253712 PMAQI
2nd Oct 2025351 PMAQI
2nd Oct 2025342 PMAQI
2nd Oct 2025403 PMAQI
2nd Oct 2025364 PMAQI
2nd Oct 2025375 PMAQI
2nd Oct 2025356 PMAQI
2nd Oct 2025567 PMAQI
2nd Oct 2025588 PMAQI
2nd Oct 2025579 PMAQI
2nd Oct 20254210 PMAQI
2nd Oct 20253411 PMAQI
3rd Oct 20253612 AMAQI
3rd Oct 2025411 AMAQI
3rd Oct 2025372 AMAQI
3rd Oct 2025333 AMAQI
3rd Oct 2025354 AMAQI
3rd Oct 2025365 AMAQI
3rd Oct 2025246 AMAQI

20°C15/25°C

3rd Oct 2025157 AMAQI
3rd Oct 2025168 AMAQI
3rd Oct 2025169 AMAQI
3rd Oct 20251810 AMAQI
3rd Oct 20253511 AMAQI
3rd Oct 20254612 PMAQI
3rd Oct 2025401 PMAQI
3rd Oct 2025402 PMAQI
3rd Oct 2025383 PMAQI
3rd Oct 2025384 PMAQI
3rd Oct 2025365 PMAQI
3rd Oct 2025426 PMAQI
3rd Oct 2025427 PMAQI
3rd Oct 2025408 PMAQI
3rd Oct 2025409 PMAQI
3rd Oct 20253610 PMAQI
3rd Oct 20252311 PMAQI
4th Oct 20251412 AMAQI
4th Oct 2025151 AMAQI
4th Oct 2025302 AMAQI
4th Oct 2025403 AMAQI
4th Oct 2025404 AMAQI
4th Oct 2025405 AMAQI
4th Oct 2025466 AMAQI

21°C15/26°C

4th Oct 2025467 AMAQI
4th Oct 2025458 AMAQI
4th Oct 2025469 AMAQI
4th Oct 20254810 AMAQI
4th Oct 20253911 AMAQI
4th Oct 20253912 PMAQI
4th Oct 2025431 PMAQI
4th Oct 2025562 PMAQI
4th Oct 2025623 PMAQI
4th Oct 2025684 PMAQI
4th Oct 2025395 PMAQI
4th Oct 2025386 PMAQI
4th Oct 2025397 PMAQI
4th Oct 2025258 PMAQI
4th Oct 2025149 PMAQI
4th Oct 20251510 PMAQI
4th Oct 20253511 PMAQI
5th Oct 20253812 AMAQI
5th Oct 2025241 AMAQI
5th Oct 2025152 AMAQI
5th Oct 2025143 AMAQI
5th Oct 2025124 AMAQI
5th Oct 2025135 AMAQI
5th Oct 2025126 AMAQI

23°C20/28°C

5th Oct 2025127 AMAQI
5th Oct 2025138 AMAQI
5th Oct 2025129 AMAQI
5th Oct 20251110 AMAQI
5th Oct 20251311 AMAQI
5th Oct 20251312 PMAQI
5th Oct 2025311 PMAQI
5th Oct 2025362 PMAQI
5th Oct 2025233 PMAQI
5th Oct 2025164 PMAQI
5th Oct 2025155 PMAQI
5th Oct 2025166 PMAQI
5th Oct 2025167 PMAQI
5th Oct 2025148 PMAQI
5th Oct 2025329 PMAQI
5th Oct 20252110 PMAQI
5th Oct 20251411 PMAQI
6th Oct 20251212 AMAQI
6th Oct 2025141 AMAQI
6th Oct 2025122 AMAQI
6th Oct 2025143 AMAQI
6th Oct 2025134 AMAQI
6th Oct 2025145 AMAQI
6th Oct 2025146 AMAQI

24°C22/29°C

6th Oct 2025127 AMAQI
6th Oct 2025158 AMAQI
6th Oct 2025329 AMAQI
6th Oct 20252010 AMAQI
6th Oct 20251311 AMAQI
6th Oct 20251312 PMAQI
6th Oct 2025141 PMAQI

25°C22/29°C

7th Oct 2025177 AMAQI
7th Oct 2025138 AMAQI
7th Oct 2025129 AMAQI
7th Oct 20251210 AMAQI
7th Oct 20251111 AMAQI
7th Oct 20251112 PMAQI
7th Oct 2025111 PMAQI
7th Oct 2025172 PMAQI
7th Oct 2025263 PMAQI
7th Oct 2025234 PMAQI
7th Oct 2025155 PMAQI
7th Oct 2025176 PMAQI
7th Oct 2025177 PMAQI
7th Oct 2025188 PMAQI
7th Oct 2025169 PMAQI
7th Oct 20251610 PMAQI
7th Oct 20251611 PMAQI
8th Oct 20251612 AMAQI
8th Oct 2025171 AMAQI
8th Oct 2025182 AMAQI
8th Oct 2025313 AMAQI
8th Oct 2025384 AMAQI
8th Oct 2025395 AMAQI
8th Oct 2025456 AMAQI

24°C21/29°C

8th Oct 2025447 AMAQI
8th Oct 2025458 AMAQI
8th Oct 2025469 AMAQI
8th Oct 20254210 AMAQI
8th Oct 20254811 AMAQI
8th Oct 20255012 PMAQI
8th Oct 2025521 PMAQI
8th Oct 2025562 PMAQI
8th Oct 2025333 PMAQI
8th Oct 2025264 PMAQI
8th Oct 2025265 PMAQI
8th Oct 2025236 PMAQI
8th Oct 2025247 PMAQI
8th Oct 2025248 PMAQI
8th Oct 2025379 PMAQI
8th Oct 20254210 PMAQI
8th Oct 20253911 PMAQI
9th Oct 20253712 AMAQI
9th Oct 2025431 AMAQI
9th Oct 2025402 AMAQI
9th Oct 2025403 AMAQI
9th Oct 2025214 AMAQI
9th Oct 2025135 AMAQI
9th Oct 2025126 AMAQI

24°C19/29°C

9th Oct 202597 AMAQI
9th Oct 202598 AMAQI
9th Oct 2025109 AMAQI
9th Oct 20251110 AMAQI
9th Oct 20251211 AMAQI
9th Oct 20251212 PMAQI
9th Oct 2025121 PMAQI
9th Oct 2025122 PMAQI
9th Oct 2025323 PMAQI
9th Oct 2025414 PMAQI
9th Oct 2025445 PMAQI
9th Oct 2025266 PMAQI
9th Oct 2025167 PMAQI
9th Oct 2025168 PMAQI
9th Oct 2025349 PMAQI
9th Oct 20252210 PMAQI
9th Oct 20251811 PMAQI
10th Oct 20252912 AMAQI
10th Oct 2025371 AMAQI
10th Oct 2025392 AMAQI
10th Oct 2025263 AMAQI
10th Oct 2025334 AMAQI
10th Oct 2025405 AMAQI
10th Oct 2025216 AMAQI

20°C17/22°C

10th Oct 2025197 AMAQI
10th Oct 2025198 AMAQI
10th Oct 2025179 AMAQI
10th Oct 20251910 AMAQI
10th Oct 20251811 AMAQI
10th Oct 20252012 PMAQI
10th Oct 2025201 PMAQI
10th Oct 2025362 PMAQI
10th Oct 2025393 PMAQI
10th Oct 2025364 PMAQI
10th Oct 2025245 PMAQI
10th Oct 2025326 PMAQI
10th Oct 2025407 PMAQI
10th Oct 2025418 PMAQI
10th Oct 2025229 PMAQI
10th Oct 20251410 PMAQI
10th Oct 20251311 PMAQI
11th Oct 20251612 AMAQI
11th Oct 2025161 AMAQI
11th Oct 2025122 AMAQI
11th Oct 2025133 AMAQI
11th Oct 2025134 AMAQI
11th Oct 2025125 AMAQI
11th Oct 2025126 AMAQI

19°C15/23°C

11th Oct 2025127 AMAQI
11th Oct 2025118 AMAQI
11th Oct 202599 AMAQI
11th Oct 2025810 AMAQI
11th Oct 20251411 AMAQI
11th Oct 20251912 PMAQI
11th Oct 2025181 PMAQI
11th Oct 2025192 PMAQI
11th Oct 2025183 PMAQI
11th Oct 2025194 PMAQI
11th Oct 2025195 PMAQI
11th Oct 2025146 PMAQI
11th Oct 202587 PMAQI
11th Oct 2025158 PMAQI
11th Oct 2025229 PMAQI
11th Oct 20251810 PMAQI
11th Oct 20251611 PMAQI
12th Oct 20251712 AMAQI
12th Oct 2025161 AMAQI
12th Oct 2025252 AMAQI
12th Oct 2025233 AMAQI
12th Oct 2025234 AMAQI
12th Oct 2025225 AMAQI
12th Oct 2025236 AMAQI

17°C16/20°C

12th Oct 2025227 AMAQI
12th Oct 2025238 AMAQI
12th Oct 2025239 AMAQI
12th Oct 20252410 AMAQI
12th Oct 20252411 AMAQI
12th Oct 20252112 PMAQI
12th Oct 2025241 PMAQI
12th Oct 2025242 PMAQI
12th Oct 2025233 PMAQI
12th Oct 2025264 PMAQI
12th Oct 2025265 PMAQI
12th Oct 2025226 PMAQI
12th Oct 2025267 PMAQI
12th Oct 2025258 PMAQI
12th Oct 2025329 PMAQI
12th Oct 20252410 PMAQI
12th Oct 20252211 PMAQI
13th Oct 20252312 AMAQI
13th Oct 2025221 AMAQI
13th Oct 2025212 AMAQI
13th Oct 2025223 AMAQI
13th Oct 2025234 AMAQI
13th Oct 2025245 AMAQI
13th Oct 2025256 AMAQI

18°C17/19°C

13th Oct 2025237 AMAQI
13th Oct 2025238 AMAQI
13th Oct 2025169 AMAQI
13th Oct 2025610 AMAQI
13th Oct 2025811 AMAQI
13th Oct 2025612 PMAQI
13th Oct 202561 PMAQI
13th Oct 2025132 PMAQI
13th Oct 2025173 PMAQI
13th Oct 2025114 PMAQI
13th Oct 2025185 PMAQI
13th Oct 2025226 PMAQI
13th Oct 2025227 PMAQI
13th Oct 2025308 PMAQI
13th Oct 2025199 PMAQI
13th Oct 20253110 PMAQI
13th Oct 20254111 PMAQI
14th Oct 20254412 AMAQI
14th Oct 2025471 AMAQI
14th Oct 2025512 AMAQI
14th Oct 2025533 AMAQI
14th Oct 2025564 AMAQI
14th Oct 2025575 AMAQI
14th Oct 2025576 AMAQI

17°C16/19°C

14th Oct 2025577 AMAQI
14th Oct 2025568 AMAQI
14th Oct 2025629 AMAQI
14th Oct 20255910 AMAQI
14th Oct 20255511 AMAQI
14th Oct 20255112 PMAQI
14th Oct 2025361 PMAQI
14th Oct 2025192 PMAQI
14th Oct 2025233 PMAQI
14th Oct 2025204 PMAQI
14th Oct 2025125 PMAQI
14th Oct 2025136 PMAQI
14th Oct 2025167 PMAQI
14th Oct 2025158 PMAQI
14th Oct 2025169 PMAQI
14th Oct 20251310 PMAQI
14th Oct 20251811 PMAQI
15th Oct 20251912 AMAQI
15th Oct 2025121 AMAQI
15th Oct 2025142 AMAQI
15th Oct 2025143 AMAQI
15th Oct 2025164 AMAQI
15th Oct 2025135 AMAQI
15th Oct 2025256 AMAQI

18°C13/23°C

15th Oct 2025247 AMAQI
15th Oct 2025108 AMAQI
15th Oct 2025129 AMAQI
15th Oct 20251510 AMAQI
15th Oct 20251411 AMAQI
15th Oct 20251412 PMAQI
15th Oct 2025141 PMAQI
15th Oct 2025212 PMAQI
15th Oct 2025213 PMAQI
15th Oct 2025114 PMAQI
15th Oct 2025135 PMAQI
15th Oct 2025136 PMAQI
15th Oct 2025127 PMAQI
15th Oct 2025148 PMAQI
15th Oct 2025169 PMAQI
15th Oct 20253710 PMAQI
15th Oct 20255411 PMAQI
16th Oct 20255612 AMAQI
16th Oct 2025531 AMAQI
16th Oct 2025512 AMAQI
16th Oct 2025523 AMAQI
16th Oct 2025544 AMAQI
16th Oct 2025605 AMAQI
16th Oct 2025586 AMAQI

18°C14/25°C

16th Oct 2025527 AMAQI
16th Oct 2025598 AMAQI
16th Oct 2025629 AMAQI
16th Oct 20255310 AMAQI
16th Oct 20254811 AMAQI
16th Oct 20254512 PMAQI
16th Oct 2025431 PMAQI
16th Oct 2025222 PMAQI
16th Oct 2025173 PMAQI
16th Oct 2025174 PMAQI
16th Oct 2025155 PMAQI
16th Oct 2025166 PMAQI
16th Oct 2025187 PMAQI
16th Oct 2025188 PMAQI
16th Oct 2025199 PMAQI
16th Oct 20253210 PMAQI
16th Oct 20253811 PMAQI
17th Oct 20254112 AMAQI
17th Oct 2025441 AMAQI
17th Oct 2025472 AMAQI
17th Oct 2025483 AMAQI
17th Oct 2025544 AMAQI
17th Oct 2025605 AMAQI
17th Oct 2025586 AMAQI

18°C13/24°C

17th Oct 2025567 AMAQI
17th Oct 2025518 AMAQI
17th Oct 2025429 AMAQI
17th Oct 20254210 AMAQI
17th Oct 20254211 AMAQI
17th Oct 20253812 PMAQI
17th Oct 2025261 PMAQI
17th Oct 2025222 PMAQI
17th Oct 2025193 PMAQI
17th Oct 2025184 PMAQI
17th Oct 2025185 PMAQI
17th Oct 2025186 PMAQI
17th Oct 2025187 PMAQI
17th Oct 2025158 PMAQI
17th Oct 2025439 PMAQI
17th Oct 20255710 PMAQI
17th Oct 20254911 PMAQI
18th Oct 20255012 AMAQI
18th Oct 2025491 AMAQI
18th Oct 2025582 AMAQI
18th Oct 2025583 AMAQI

16°C10/22°C

7 AM
1 PM
7 PM
1 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
9 AM

34AQI

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

30AQI

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. 34), while the lowest AQI was between 6 PM to 6 PM (Avg. 30).
Night time
Avg. Highest Time
3 AM

36AQI

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

31AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 3 AM (Avg. 36), while the lowest AQI was between 8 PM to 8 PM (Avg. 31).

2025 Days Vs Air Quality

Mount Pleasant, South Carolina, United States

2025

90%

261

10%

29

Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)

Good
261 Days
Moderate
29 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 90%

Health Risk Level:

Very Low

In 2025, 90% of 291 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

Mount Pleasant, 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
28AQI
2nd January 2025
31AQI
3rd January 2025
37AQI
4th January 2025
25AQI
5th January 2025
34AQI
6th January 2025
26AQI
7th January 2025
23AQI
8th January 2025
33AQI
9th January 2025
37AQI
10th January 2025
38AQI
11th January 2025
26AQI
12th January 2025
32AQI
13th January 2025
38AQI
14th January 2025
35AQI
15th January 2025
32AQI
16th January 2025
44AQI
17th January 2025
41AQI
18th January 2025
32AQI
19th January 2025
27AQI
20th January 2025
23AQI
21st January 2025
26AQI
22nd January 2025
26AQI
23rd January 2025
32AQI
24th January 2025
37AQI
25th January 2025
40AQI
26th January 2025
39AQI
27th January 2025
44AQI
28th January 2025
29AQI
29th January 2025
32AQI
30th January 2025
40AQI
31st January 2025
38AQI
1st February 2025
33AQI
2nd February 2025
34AQI
3rd February 2025
32AQI
4th February 2025
45AQI
5th February 2025
53AQI
6th February 2025
52AQI
7th February 2025
47AQI
8th February 2025
46AQI
9th February 2025
38AQI
10th February 2025
39AQI
11th February 2025
40AQI
12th February 2025
33AQI
13th February 2025
31AQI
14th February 2025
25AQI
15th February 2025
34AQI
16th February 2025
30AQI
17th February 2025
32AQI
18th February 2025
39AQI
19th February 2025
29AQI
20th February 2025
32AQI
21st February 2025
28AQI
22nd February 2025
38AQI
23rd February 2025
55AQI
24th February 2025
58AQI
25th February 2025
66AQI
26th February 2025
82AQI
27th February 2025
72AQI
28th February 2025
42AQI
1st March 2025
55AQI
2nd March 2025
41AQI
3rd March 2025
40AQI
4th March 2025
34AQI
5th March 2025
48AQI
6th March 2025
28AQI
7th March 2025
34AQI
8th March 2025
48AQI
9th March 2025
33AQI
10th March 2025
40AQI
11th March 2025
43AQI
12th March 2025
48AQI
13th March 2025
51AQI
14th March 2025
46AQI
15th March 2025
42AQI
16th March 2025
53AQI
17th March 2025
34AQI
18th March 2025
23AQI
19th March 2025
39AQI
20th March 2025
38AQI
21st March 2025
29AQI
22nd March 2025
51AQI
23rd March 2025
52AQI
24th March 2025
37AQI
25th March 2025
34AQI
26th March 2025
38AQI
27th March 2025
32AQI
28th March 2025
34AQI
29th March 2025
34AQI
30th March 2025
36AQI
31st March 2025
27AQI
1st April 2025
42AQI
2nd April 2025
41AQI
3rd April 2025
40AQI
4th April 2025
43AQI
5th April 2025
34AQI
6th April 2025
35AQI
7th April 2025
42AQI
8th April 2025
28AQI
9th April 2025
34AQI
10th April 2025
25AQI
11th April 2025
32AQI
12th April 2025
26AQI
13th April 2025
32AQI
14th April 2025
39AQI
15th April 2025
53AQI
16th April 2025
36AQI
17th April 2025
51AQI
18th April 2025
34AQI
19th April 2025
28AQI
20th April 2025
27AQI
21st April 2025
33AQI
22nd April 2025
34AQI
23rd April 2025
37AQI
24th April 2025
41AQI
25th April 2025
39AQI
26th April 2025
38AQI
27th April 2025
39AQI
28th April 2025
31AQI
29th April 2025
23AQI
30th April 2025
27AQI
1st May 2025
30AQI
2nd May 2025
34AQI
3rd May 2025
32AQI
4th May 2025
28AQI
5th May 2025
29AQI
6th May 2025
38AQI
7th May 2025
48AQI
8th May 2025
45AQI
9th May 2025
31AQI
10th May 2025
33AQI
11th May 2025
27AQI
12th May 2025
34AQI
13th May 2025
28AQI
14th May 2025
32AQI
15th May 2025
40AQI
16th May 2025
51AQI
17th May 2025
47AQI
18th May 2025
42AQI
19th May 2025
38AQI
20th May 2025
45AQI
21st May 2025
46AQI
22nd May 2025
27AQI
23rd May 2025
42AQI
24th May 2025
31AQI
25th May 2025
34AQI
26th May 2025
36AQI
27th May 2025
29AQI
28th May 2025
28AQI
29th May 2025
35AQI
30th May 2025
29AQI
31st May 2025
35AQI
1st June 2025
55AQI
2nd June 2025
62AQI
3rd June 2025
59AQI
4th June 2025
53AQI
5th June 2025
43AQI
6th June 2025
37AQI
7th June 2025
48AQI
8th June 2025
47AQI
9th June 2025
43AQI
10th June 2025
38AQI
11th June 2025
38AQI
12th June 2025
29AQI
13th June 2025
40AQI
14th June 2025
39AQI
15th June 2025
30AQI
16th June 2025
28AQI
17th June 2025
30AQI
18th June 2025
32AQI
19th June 2025
31AQI
20th June 2025
35AQI
21st June 2025
35AQI
22nd June 2025
36AQI
23rd June 2025
28AQI
24th June 2025
36AQI
25th June 2025
47AQI
26th June 2025
44AQI
27th June 2025
27AQI
28th June 2025
25AQI
29th June 2025
34AQI
30th June 2025
36AQI
1st July 2025
39AQI
2nd July 2025
45AQI
3rd July 2025
39AQI
4th July 2025
41AQI
5th July 2025
34AQI
6th July 2025
28AQI
7th July 2025
32AQI
8th July 2025
34AQI
9th July 2025
32AQI
10th July 2025
30AQI
11th July 2025
32AQI
12th July 2025
33AQI
13th July 2025
35AQI
14th July 2025
33AQI
15th July 2025
31AQI
16th July 2025
40AQI
17th July 2025
34AQI
18th July 2025
31AQI
19th July 2025
35AQI
20th July 2025
37AQI
21st July 2025
37AQI
22nd July 2025
44AQI
23rd July 2025
40AQI
24th July 2025
28AQI
25th July 2025
31AQI
26th July 2025
54AQI
27th July 2025
35AQI
28th July 2025
36AQI
29th July 2025
36AQI
30th July 2025
37AQI
31st July 2025
41AQI
1st August 2025
41AQI
2nd August 2025
28AQI
3rd August 2025
38AQI
4th August 2025
39AQI
5th August 2025
36AQI
6th August 2025
35AQI
7th August 2025
30AQI
8th August 2025
54AQI
9th August 2025
48AQI
10th August 2025
28AQI
11th August 2025
25AQI
12th August 2025
25AQI
13th August 2025
22AQI
14th August 2025
25AQI
15th August 2025
31AQI
16th August 2025
37AQI
17th August 2025
43AQI
18th August 2025
51AQI
19th August 2025
53AQI
20th August 2025
52AQI
21st August 2025
45AQI
22nd August 2025
38AQI
23rd August 2025
27AQI
24th August 2025
29AQI
25th August 2025
33AQI
26th August 2025
44AQI
27th August 2025
44AQI
28th August 2025
38AQI
29th August 2025
47AQI
30th August 2025
45AQI
31st August 2025
39AQI
1st September 2025
28AQI
2nd September 2025
32AQI
3rd September 2025
34AQI
4th September 2025
29AQI
5th September 2025
30AQI
6th September 2025
26AQI
7th September 2025
29AQI
8th September 2025
44AQI
9th September 2025
38AQI
10th September 2025
37AQI
11th September 2025
36AQI
12th September 2025
33AQI
13th September 2025
39AQI
14th September 2025
42AQI
15th September 2025
52AQI
16th September 2025
51AQI
17th September 2025
52AQI
18th September 2025
48AQI
19th September 2025
43AQI
20th September 2025
51AQI
21st September 2025
41AQI
22nd September 2025
42AQI
23rd September 2025
37AQI
24th September 2025
25AQI
25th September 2025
25AQI
26th September 2025
31AQI
27th September 2025
20AQI
28th September 2025
34AQI
29th September 2025
35AQI
30th September 2025
37AQI
1st October 2025
57AQI
2nd October 2025
43AQI
3rd October 2025
34AQI
4th October 2025
36AQI
5th October 2025
18AQI
6th October 2025
13AQI
7th October 2025
15AQI
8th October 2025
35AQI
9th October 2025
23AQI
10th October 2025
28AQI
11th October 2025
15AQI
12th October 2025
23AQI
13th October 2025
21AQI
14th October 2025
37AQI
15th October 2025
18AQI
16th October 2025
40AQI
17th October 2025
44AQI
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

33AQI

42AQI

39AQI

35AQI

36AQI

39AQI

36AQI

38AQI

37AQI

29AQI


No. of days

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

202537AQI

31
21
7
26
5
28
2
30
1
26
4
30
1
27
4
26
4
16
1
261
29

Highest AQI recorded in

February

42AQI


Lowest AQI recorded in

October

29AQI


202433AQI

31
27
2
27
4
26
4
31
30
31
28
3
29
1
30
1
28
2
31
349
17

Highest AQI recorded in

April

39AQI


Lowest AQI recorded in

September

29AQI


202335AQI

30
1
24
4
23
8
29
1
27
4
18
12
28
3
27
4
25
5
29
2
25
4
31
316
48

Highest AQI recorded in

June

46AQI


Lowest AQI recorded in

December

26AQI


202233AQI

30
1
21
1
28
3
17
28
3
24
6
22
1
29
29
2
30
31
290
16

Highest AQI recorded in

June

40AQI


Lowest AQI recorded in

August

26AQI


202130AQI

30
28
27
27
3
28
2
28
2
30
1
26
5
29
1
31
30
27
4
341
18

Highest AQI recorded in

April

37AQI


Lowest AQI recorded in

February

25AQI


202029AQI

12
1
20
18
28
1
1
28
3
30
1
27
3
31
29
1
27
250
10
1

Highest AQI recorded in

March

38AQI


Lowest AQI recorded in

October

25AQI


Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
37AQI
Least Polluted Year Recorded
2020(Avg.)
29AQI


Mount Pleasant's annual 2025 AQI (37) shows an average percentage change of 14.5% (worsened AQI) compared to previous years: 2020 (29), 2021 (30), 2022 (33), 2023 (35), 2024 (33).