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, South Carolina, United States
2021
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Oct 2024
59AQILowest AQI recorded on
6th Oct 2025
12AQISame Day Analysis (20th October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 3rd highest AQI at 19 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 20th Oct - 21st Oct 2025
Charleston, South Carolina, United States
AQI
Day
Night
.
7 AM20th Oct 2025
6 PM
6 AM21st Oct 2025
Day time
Avg. Highest Time
6PM20th Oct
28AQI
Avg. Lowest Time
5PM20th Oct
15AQI
Night time
Avg. Highest Time
3AM21st Oct
48AQI
Avg. Lowest Time
7PM20th Oct
16AQI
In the last 24 hours,
Charleston's AQI reached its highest point of 48 at 3 AM during the Night, while the lowest point, 15, was recorded at 5 PM during the Day between 20th Oct and 21st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Charleston, South Carolina, United States
SepOct
21st - 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 - 19th19th - 20th20th - 21st21st
Day
Night
21st Sep 2025497 AMAQI
21st Sep 2025468 AMAQI
21st Sep 2025499 AMAQI
21st Sep 20254810 AMAQI
21st Sep 20254611 AMAQI
21st Sep 20254712 PMAQI
21st Sep 2025451 PMAQI
21st Sep 2025472 PMAQI
21st Sep 2025473 PMAQI
21st Sep 2025474 PMAQI
21st Sep 2025485 PMAQI
21st Sep 2025486 PMAQI
21st Sep 2025487 PMAQI
21st Sep 2025488 PMAQI
21st Sep 2025489 PMAQI
21st Sep 20255010 PMAQI
21st Sep 20254811 PMAQI
22nd Sep 20254612 AMAQI
22nd Sep 2025441 AMAQI
22nd Sep 2025462 AMAQI
22nd Sep 2025453 AMAQI
22nd Sep 2025454 AMAQI
22nd Sep 2025475 AMAQI
22nd Sep 2025486 AMAQI
24°C19/30°C
22nd Sep 2025477 AMAQI
22nd Sep 2025468 AMAQI
22nd Sep 2025489 AMAQI
22nd Sep 20254510 AMAQI
22nd Sep 20254411 AMAQI
22nd Sep 20254512 PMAQI
22nd Sep 2025431 PMAQI
22nd Sep 2025432 PMAQI
22nd Sep 2025463 PMAQI
22nd Sep 2025444 PMAQI
22nd Sep 2025445 PMAQI
22nd Sep 2025436 PMAQI
22nd Sep 2025467 PMAQI
22nd Sep 2025448 PMAQI
22nd Sep 2025419 PMAQI
22nd Sep 20254010 PMAQI
22nd Sep 20254111 PMAQI
23rd Sep 20254012 AMAQI
23rd Sep 2025351 AMAQI
23rd Sep 2025412 AMAQI
23rd Sep 2025423 AMAQI
23rd Sep 2025384 AMAQI
23rd Sep 2025375 AMAQI
23rd Sep 2025426 AMAQI
24°C20/30°C
23rd Sep 2025417 AMAQI
23rd Sep 2025418 AMAQI
23rd Sep 2025399 AMAQI
23rd Sep 20254110 AMAQI
23rd Sep 20254011 AMAQI
23rd Sep 20253812 PMAQI
23rd Sep 2025361 PMAQI
23rd Sep 2025372 PMAQI
23rd Sep 2025393 PMAQI
23rd Sep 2025394 PMAQI
23rd Sep 2025385 PMAQI
23rd Sep 2025356 PMAQI
23rd Sep 2025407 PMAQI
23rd Sep 2025408 PMAQI
23rd Sep 2025349 PMAQI
23rd Sep 20253510 PMAQI
23rd Sep 20253511 PMAQI
24th Sep 20253312 AMAQI
24th Sep 2025281 AMAQI
24th Sep 2025282 AMAQI
24th Sep 2025273 AMAQI
24th Sep 2025264 AMAQI
24th Sep 2025305 AMAQI
24th Sep 2025326 AMAQI
25°C21/31°C
24th Sep 2025307 AMAQI
24th Sep 2025318 AMAQI
24th Sep 2025329 AMAQI
24th Sep 20253310 AMAQI
24th Sep 20253411 AMAQI
24th Sep 20253412 PMAQI
24th Sep 2025311 PMAQI
24th Sep 2025322 PMAQI
24th Sep 2025343 PMAQI
24th Sep 2025344 PMAQI
24th Sep 2025325 PMAQI
24th Sep 2025326 PMAQI
24th Sep 2025317 PMAQI
24th Sep 2025308 PMAQI
24th Sep 2025309 PMAQI
24th Sep 20252910 PMAQI
24th Sep 20252811 PMAQI
25th Sep 20252512 AMAQI
25th Sep 2025221 AMAQI
25th Sep 2025242 AMAQI
25th Sep 2025233 AMAQI
25th Sep 2025224 AMAQI
25th Sep 2025215 AMAQI
25th Sep 2025256 AMAQI
26°C22/32°C
25th Sep 2025287 AMAQI
25th Sep 2025278 AMAQI
25th Sep 2025279 AMAQI
25th Sep 20252510 AMAQI
25th Sep 20252411 AMAQI
25th Sep 20252612 PMAQI
25th Sep 2025271 PMAQI
25th Sep 2025292 PMAQI
25th Sep 2025303 PMAQI
25th Sep 2025304 PMAQI
25th Sep 2025305 PMAQI
25th Sep 2025306 PMAQI
25th Sep 2025297 PMAQI
25th Sep 2025268 PMAQI
25th Sep 2025249 PMAQI
25th Sep 20252410 PMAQI
25th Sep 20252311 PMAQI
26th Sep 20252412 AMAQI
26th Sep 2025291 AMAQI
26th Sep 2025312 AMAQI
26th Sep 2025243 AMAQI
26th Sep 2025244 AMAQI
26th Sep 2025245 AMAQI
26th Sep 2025286 AMAQI
28°C24/35°C
26th Sep 2025277 AMAQI
26th Sep 2025328 AMAQI
26th Sep 2025349 AMAQI
26th Sep 20253010 AMAQI
26th Sep 20252811 AMAQI
26th Sep 20252512 PMAQI
26th Sep 2025281 PMAQI
26th Sep 2025302 PMAQI
26th Sep 2025313 PMAQI
26th Sep 2025314 PMAQI
26th Sep 2025315 PMAQI
26th Sep 2025326 PMAQI
26th Sep 2025357 PMAQI
26th Sep 2025398 PMAQI
26th Sep 2025299 PMAQI
26th Sep 20253410 PMAQI
26th Sep 20254111 PMAQI
27th Sep 20252512 AMAQI
27th Sep 2025211 AMAQI
27th Sep 2025252 AMAQI
27th Sep 2025323 AMAQI
27th Sep 2025264 AMAQI
27th Sep 2025255 AMAQI
27th Sep 2025296 AMAQI
27°C24/33°C
27th Sep 2025357 AMAQI
27th Sep 2025398 AMAQI
27th Sep 2025629 AMAQI
27th Sep 20254910 AMAQI
27th Sep 20253211 AMAQI
27th Sep 20252412 PMAQI
27th Sep 2025221 PMAQI
27th Sep 2025162 PMAQI
27th Sep 2025173 PMAQI
27th Sep 2025154 PMAQI
27th Sep 2025135 PMAQI
27th Sep 2025146 PMAQI
27th Sep 2025167 PMAQI
27th Sep 2025188 PMAQI
27th Sep 2025199 PMAQI
27th Sep 20252010 PMAQI
27th Sep 20252011 PMAQI
28th Sep 20252112 AMAQI
28th Sep 2025241 AMAQI
28th Sep 2025312 AMAQI
28th Sep 2025493 AMAQI
28th Sep 2025304 AMAQI
28th Sep 2025305 AMAQI
28th Sep 2025346 AMAQI
24°C22/27°C
28th Sep 2025357 AMAQI
28th Sep 2025258 AMAQI
28th Sep 2025229 AMAQI
28th Sep 20251910 AMAQI
28th Sep 20251811 AMAQI
28th Sep 20253012 PMAQI
28th Sep 2025461 PMAQI
28th Sep 2025472 PMAQI
28th Sep 2025453 PMAQI
28th Sep 2025474 PMAQI
28th Sep 2025425 PMAQI
28th Sep 2025406 PMAQI
28th Sep 2025427 PMAQI
28th Sep 2025468 PMAQI
28th Sep 2025499 PMAQI
28th Sep 20254710 PMAQI
28th Sep 20254911 PMAQI
29th Sep 20254912 AMAQI
29th Sep 2025471 AMAQI
29th Sep 2025452 AMAQI
29th Sep 2025453 AMAQI
29th Sep 2025424 AMAQI
29th Sep 2025425 AMAQI
29th Sep 2025416 AMAQI
24°C22/27°C
29th Sep 2025447 AMAQI
29th Sep 2025428 AMAQI
29th Sep 2025449 AMAQI
29th Sep 20254210 AMAQI
29th Sep 20253911 AMAQI
29th Sep 20254112 PMAQI
29th Sep 2025381 PMAQI
29th Sep 2025362 PMAQI
29th Sep 2025313 PMAQI
29th Sep 2025324 PMAQI
29th Sep 2025315 PMAQI
29th Sep 2025296 PMAQI
29th Sep 2025257 PMAQI
29th Sep 2025308 PMAQI
29th Sep 2025349 PMAQI
29th Sep 20253410 PMAQI
29th Sep 20253411 PMAQI
30th Sep 20253212 AMAQI
30th Sep 2025361 AMAQI
30th Sep 2025372 AMAQI
30th Sep 2025383 AMAQI
30th Sep 2025434 AMAQI
30th Sep 2025425 AMAQI
30th Sep 2025406 AMAQI
23°C21/29°C
30th Sep 2025417 AMAQI
30th Sep 2025398 AMAQI
30th Sep 2025379 AMAQI
30th Sep 20253910 AMAQI
30th Sep 20254211 AMAQI
30th Sep 20254512 PMAQI
30th Sep 2025421 PMAQI
30th Sep 2025412 PMAQI
30th Sep 2025433 PMAQI
30th Sep 2025424 PMAQI
30th Sep 2025475 PMAQI
30th Sep 2025476 PMAQI
30th Sep 2025517 PMAQI
30th Sep 2025478 PMAQI
30th Sep 2025539 PMAQI
30th Sep 20255410 PMAQI
30th Sep 20255611 PMAQI
1st Oct 20255612 AMAQI
1st Oct 2025551 AMAQI
1st Oct 2025542 AMAQI
1st Oct 2025553 AMAQI
1st Oct 2025544 AMAQI
1st Oct 2025585 AMAQI
1st Oct 2025536 AMAQI
22°C20/24°C
1st Oct 2025517 AMAQI
1st Oct 2025508 AMAQI
1st Oct 2025479 AMAQI
1st Oct 20254610 AMAQI
1st Oct 20254611 AMAQI
1st Oct 20254912 PMAQI
1st Oct 2025501 PMAQI
1st Oct 2025482 PMAQI
1st Oct 2025483 PMAQI
1st Oct 2025514 PMAQI
1st Oct 2025495 PMAQI
1st Oct 2025506 PMAQI
1st Oct 2025497 PMAQI
1st Oct 2025468 PMAQI
1st Oct 2025489 PMAQI
1st Oct 20254910 PMAQI
1st Oct 20255011 PMAQI
2nd Oct 20254912 AMAQI
2nd Oct 2025461 AMAQI
2nd Oct 2025452 AMAQI
2nd Oct 2025463 AMAQI
2nd Oct 2025444 AMAQI
2nd Oct 2025445 AMAQI
2nd Oct 2025436 AMAQI
22°C18/29°C
2nd Oct 2025417 AMAQI
2nd Oct 2025408 AMAQI
2nd Oct 2025409 AMAQI
2nd Oct 20254010 AMAQI
2nd Oct 20254111 AMAQI
2nd Oct 20254212 PMAQI
2nd Oct 2025421 PMAQI
2nd Oct 2025372 PMAQI
2nd Oct 2025363 PMAQI
2nd Oct 2025374 PMAQI
2nd Oct 2025415 PMAQI
2nd Oct 2025476 PMAQI
2nd Oct 2025457 PMAQI
2nd Oct 2025398 PMAQI
2nd Oct 2025379 PMAQI
2nd Oct 20253710 PMAQI
2nd Oct 20253811 PMAQI
3rd Oct 20253812 AMAQI
3rd Oct 2025401 AMAQI
3rd Oct 2025372 AMAQI
3rd Oct 2025383 AMAQI
3rd Oct 2025394 AMAQI
3rd Oct 2025425 AMAQI
3rd Oct 2025476 AMAQI
21°C15/27°C
3rd Oct 2025437 AMAQI
3rd Oct 2025458 AMAQI
3rd Oct 2025419 AMAQI
3rd Oct 20253910 AMAQI
3rd Oct 20253911 AMAQI
3rd Oct 20254312 PMAQI
3rd Oct 2025421 PMAQI
3rd Oct 2025392 PMAQI
3rd Oct 2025343 PMAQI
3rd Oct 2025384 PMAQI
3rd Oct 2025395 PMAQI
3rd Oct 2025416 PMAQI
3rd Oct 2025427 PMAQI
3rd Oct 2025348 PMAQI
3rd Oct 2025369 PMAQI
3rd Oct 20254010 PMAQI
3rd Oct 20253411 PMAQI
4th Oct 20253012 AMAQI
4th Oct 2025291 AMAQI
4th Oct 2025422 AMAQI
4th Oct 2025523 AMAQI
4th Oct 2025584 AMAQI
4th Oct 2025555 AMAQI
4th Oct 2025466 AMAQI
21°C15/28°C
4th Oct 2025457 AMAQI
4th Oct 2025508 AMAQI
4th Oct 2025469 AMAQI
4th Oct 20253310 AMAQI
4th Oct 20254411 AMAQI
4th Oct 20254512 PMAQI
4th Oct 2025431 PMAQI
4th Oct 2025352 PMAQI
4th Oct 2025343 PMAQI
4th Oct 2025354 PMAQI
4th Oct 2025335 PMAQI
4th Oct 2025296 PMAQI
4th Oct 2025277 PMAQI
4th Oct 2025268 PMAQI
4th Oct 2025299 PMAQI
4th Oct 20252410 PMAQI
4th Oct 20252811 PMAQI
5th Oct 20253212 AMAQI
5th Oct 2025411 AMAQI
5th Oct 2025352 AMAQI
5th Oct 2025303 AMAQI
5th Oct 2025274 AMAQI
5th Oct 2025245 AMAQI
5th Oct 2025256 AMAQI
23°C19/31°C
5th Oct 2025227 AMAQI
5th Oct 2025228 AMAQI
5th Oct 2025209 AMAQI
5th Oct 20252310 AMAQI
5th Oct 20252511 AMAQI
5th Oct 20252612 PMAQI
5th Oct 2025381 PMAQI
5th Oct 2025402 PMAQI
5th Oct 2025263 PMAQI
5th Oct 2025314 PMAQI
5th Oct 2025375 PMAQI
5th Oct 2025256 PMAQI
5th Oct 2025187 PMAQI
5th Oct 2025208 PMAQI
5th Oct 2025339 PMAQI
5th Oct 20252710 PMAQI
5th Oct 20252111 PMAQI
6th Oct 20252412 AMAQI
6th Oct 2025271 AMAQI
6th Oct 2025252 AMAQI
6th Oct 2025263 AMAQI
6th Oct 2025234 AMAQI
6th Oct 2025245 AMAQI
6th Oct 2025236 AMAQI
24°C21/30°C
6th Oct 2025257 AMAQI
6th Oct 2025268 AMAQI
6th Oct 2025379 AMAQI
6th Oct 20252710 AMAQI
6th Oct 20252411 AMAQI
6th Oct 20252512 PMAQI
6th Oct 2025251 PMAQI
25°C22/31°C
7th Oct 2025257 AMAQI
7th Oct 2025238 AMAQI
7th Oct 2025249 AMAQI
7th Oct 20252310 AMAQI
7th Oct 20254111 AMAQI
7th Oct 20254712 PMAQI
7th Oct 2025301 PMAQI
7th Oct 2025252 PMAQI
7th Oct 2025273 PMAQI
7th Oct 2025254 PMAQI
7th Oct 2025205 PMAQI
7th Oct 2025186 PMAQI
7th Oct 2025177 PMAQI
7th Oct 2025168 PMAQI
7th Oct 2025169 PMAQI
7th Oct 20251610 PMAQI
7th Oct 20251511 PMAQI
8th Oct 20251612 AMAQI
8th Oct 2025171 AMAQI
8th Oct 2025162 AMAQI
8th Oct 2025293 AMAQI
8th Oct 2025314 AMAQI
8th Oct 2025345 AMAQI
8th Oct 2025376 AMAQI
25°C21/30°C
8th Oct 2025347 AMAQI
8th Oct 2025388 AMAQI
8th Oct 2025449 AMAQI
8th Oct 20254110 AMAQI
8th Oct 20254211 AMAQI
8th Oct 20253812 PMAQI
8th Oct 2025331 PMAQI
8th Oct 2025322 PMAQI
8th Oct 2025393 PMAQI
8th Oct 2025274 PMAQI
8th Oct 2025285 PMAQI
8th Oct 2025216 PMAQI
8th Oct 2025187 PMAQI
8th Oct 2025188 PMAQI
8th Oct 2025249 PMAQI
8th Oct 20252710 PMAQI
8th Oct 20252411 PMAQI
9th Oct 20252512 AMAQI
9th Oct 2025221 AMAQI
9th Oct 2025222 AMAQI
9th Oct 2025183 AMAQI
9th Oct 2025194 AMAQI
9th Oct 2025165 AMAQI
9th Oct 2025116 AMAQI
25°C20/31°C
9th Oct 2025107 AMAQI
9th Oct 2025168 AMAQI
9th Oct 2025159 AMAQI
9th Oct 20251310 AMAQI
9th Oct 20251411 AMAQI
9th Oct 20251412 PMAQI
9th Oct 2025141 PMAQI
9th Oct 2025192 PMAQI
9th Oct 2025343 PMAQI
9th Oct 2025424 PMAQI
9th Oct 2025425 PMAQI
9th Oct 2025276 PMAQI
9th Oct 2025177 PMAQI
9th Oct 2025168 PMAQI
9th Oct 2025359 PMAQI
9th Oct 20254610 PMAQI
9th Oct 20254411 PMAQI
10th Oct 20254312 AMAQI
10th Oct 2025391 AMAQI
10th Oct 2025332 AMAQI
10th Oct 2025303 AMAQI
10th Oct 2025254 AMAQI
10th Oct 2025185 AMAQI
10th Oct 2025286 AMAQI
20°C17/23°C
10th Oct 2025197 AMAQI
10th Oct 2025298 AMAQI
10th Oct 2025279 AMAQI
10th Oct 20252910 AMAQI
10th Oct 20252711 AMAQI
10th Oct 20253812 PMAQI
10th Oct 2025411 PMAQI
10th Oct 2025362 PMAQI
10th Oct 2025343 PMAQI
10th Oct 2025334 PMAQI
10th Oct 2025365 PMAQI
10th Oct 2025316 PMAQI
10th Oct 2025327 PMAQI
10th Oct 2025328 PMAQI
10th Oct 2025329 PMAQI
10th Oct 20252010 PMAQI
10th Oct 20251911 PMAQI
11th Oct 20252612 AMAQI
11th Oct 2025281 AMAQI
11th Oct 2025292 AMAQI
11th Oct 2025283 AMAQI
11th Oct 2025284 AMAQI
11th Oct 2025265 AMAQI
11th Oct 2025236 AMAQI
18°C15/23°C
11th Oct 2025247 AMAQI
11th Oct 2025248 AMAQI
11th Oct 2025189 AMAQI
11th Oct 20251710 AMAQI
11th Oct 20252111 AMAQI
11th Oct 20252512 PMAQI
11th Oct 2025251 PMAQI
11th Oct 2025262 PMAQI
11th Oct 2025213 PMAQI
11th Oct 2025194 PMAQI
11th Oct 2025195 PMAQI
11th Oct 2025146 PMAQI
11th Oct 2025127 PMAQI
11th Oct 2025168 PMAQI
11th Oct 2025199 PMAQI
11th Oct 20252910 PMAQI
11th Oct 20253311 PMAQI
12th Oct 20253512 AMAQI
12th Oct 2025461 AMAQI
12th Oct 2025332 AMAQI
12th Oct 2025313 AMAQI
12th Oct 2025304 AMAQI
12th Oct 2025245 AMAQI
12th Oct 2025216 AMAQI
17°C15/20°C
12th Oct 2025247 AMAQI
12th Oct 2025278 AMAQI
12th Oct 2025319 AMAQI
12th Oct 20253210 AMAQI
12th Oct 20253111 AMAQI
12th Oct 20252812 PMAQI
12th Oct 2025261 PMAQI
12th Oct 2025252 PMAQI
12th Oct 2025253 PMAQI
12th Oct 2025194 PMAQI
12th Oct 2025165 PMAQI
12th Oct 2025166 PMAQI
12th Oct 2025187 PMAQI
12th Oct 2025178 PMAQI
12th Oct 2025299 PMAQI
12th Oct 20252110 PMAQI
12th Oct 20251811 PMAQI
13th Oct 20252212 AMAQI
13th Oct 2025241 AMAQI
13th Oct 2025222 AMAQI
13th Oct 2025223 AMAQI
13th Oct 2025224 AMAQI
13th Oct 2025275 AMAQI
13th Oct 2025276 AMAQI
18°C16/19°C
13th Oct 2025197 AMAQI
13th Oct 2025168 AMAQI
13th Oct 2025149 AMAQI
13th Oct 20251210 AMAQI
13th Oct 20251211 AMAQI
13th Oct 20251112 PMAQI
13th Oct 2025131 PMAQI
13th Oct 2025162 PMAQI
13th Oct 2025233 PMAQI
13th Oct 2025134 PMAQI
13th Oct 2025175 PMAQI
13th Oct 2025246 PMAQI
13th Oct 2025227 PMAQI
13th Oct 2025288 PMAQI
13th Oct 2025239 PMAQI
13th Oct 20252910 PMAQI
13th Oct 20253911 PMAQI
14th Oct 20254312 AMAQI
14th Oct 2025461 AMAQI
14th Oct 2025482 AMAQI
14th Oct 2025523 AMAQI
14th Oct 2025544 AMAQI
14th Oct 2025555 AMAQI
14th Oct 2025586 AMAQI
18°C16/20°C
14th Oct 2025567 AMAQI
14th Oct 2025448 AMAQI
14th Oct 2025459 AMAQI
14th Oct 20254610 AMAQI
14th Oct 20254811 AMAQI
14th Oct 20254912 PMAQI
14th Oct 2025401 PMAQI
14th Oct 2025432 PMAQI
14th Oct 2025383 PMAQI
14th Oct 2025424 PMAQI
14th Oct 2025345 PMAQI
14th Oct 2025346 PMAQI
14th Oct 2025387 PMAQI
14th Oct 2025238 PMAQI
14th Oct 2025249 PMAQI
14th Oct 20252210 PMAQI
14th Oct 20252511 PMAQI
15th Oct 20253112 AMAQI
15th Oct 2025261 AMAQI
15th Oct 2025272 AMAQI
15th Oct 2025173 AMAQI
15th Oct 2025184 AMAQI
15th Oct 2025195 AMAQI
15th Oct 2025316 AMAQI
18°C13/24°C
15th Oct 2025307 AMAQI
15th Oct 2025248 AMAQI
15th Oct 2025269 AMAQI
15th Oct 20252510 AMAQI
15th Oct 20252311 AMAQI
15th Oct 20252312 PMAQI
15th Oct 2025231 PMAQI
15th Oct 2025312 PMAQI
15th Oct 2025313 PMAQI
15th Oct 2025214 PMAQI
15th Oct 2025415 PMAQI
15th Oct 2025486 PMAQI
15th Oct 2025537 PMAQI
15th Oct 2025408 PMAQI
15th Oct 2025299 PMAQI
15th Oct 20254510 PMAQI
15th Oct 20254511 PMAQI
16th Oct 20254512 AMAQI
16th Oct 2025501 AMAQI
16th Oct 2025502 AMAQI
16th Oct 2025503 AMAQI
16th Oct 2025464 AMAQI
16th Oct 2025465 AMAQI
16th Oct 2025426 AMAQI
19°C15/26°C
16th Oct 2025377 AMAQI
16th Oct 2025448 AMAQI
16th Oct 2025529 AMAQI
16th Oct 20254510 AMAQI
16th Oct 20254711 AMAQI
16th Oct 20254412 PMAQI
16th Oct 2025451 PMAQI
16th Oct 2025442 PMAQI
16th Oct 2025383 PMAQI
16th Oct 2025304 PMAQI
16th Oct 2025355 PMAQI
16th Oct 2025366 PMAQI
16th Oct 2025367 PMAQI
16th Oct 2025338 PMAQI
16th Oct 2025409 PMAQI
16th Oct 20254110 PMAQI
16th Oct 20253411 PMAQI
17th Oct 20254512 AMAQI
17th Oct 2025491 AMAQI
17th Oct 2025432 AMAQI
17th Oct 2025423 AMAQI
17th Oct 2025444 AMAQI
17th Oct 2025455 AMAQI
17th Oct 2025426 AMAQI
18°C14/25°C
17th Oct 2025487 AMAQI
17th Oct 2025538 AMAQI
17th Oct 2025549 AMAQI
17th Oct 20255710 AMAQI
17th Oct 20254711 AMAQI
17th Oct 20254412 PMAQI
17th Oct 2025411 PMAQI
17th Oct 2025302 PMAQI
17th Oct 2025283 PMAQI
17th Oct 2025374 PMAQI
17th Oct 2025275 PMAQI
17th Oct 2025326 PMAQI
17th Oct 2025367 PMAQI
17th Oct 2025378 PMAQI
17th Oct 2025319 PMAQI
17th Oct 20252210 PMAQI
17th Oct 20252411 PMAQI
18th Oct 20252612 AMAQI
18th Oct 2025361 AMAQI
18th Oct 2025392 AMAQI
18th Oct 2025333 AMAQI
18th Oct 2025404 AMAQI
18th Oct 2025485 AMAQI
18th Oct 2025516 AMAQI
17°C11/23°C
18th Oct 2025527 AMAQI
18th Oct 2025558 AMAQI
18th Oct 2025599 AMAQI
18th Oct 20255410 AMAQI
18th Oct 20255411 AMAQI
18th Oct 20254612 PMAQI
18th Oct 2025341 PMAQI
18th Oct 2025352 PMAQI
18th Oct 2025343 PMAQI
18th Oct 2025274 PMAQI
18th Oct 2025255 PMAQI
18th Oct 2025286 PMAQI
18th Oct 2025317 PMAQI
18th Oct 2025338 PMAQI
18th Oct 2025329 PMAQI
18th Oct 20253210 PMAQI
18th Oct 20253411 PMAQI
19th Oct 20255212 AMAQI
19th Oct 2025561 AMAQI
19th Oct 2025592 AMAQI
19th Oct 2025543 AMAQI
19th Oct 2025544 AMAQI
19th Oct 2025525 AMAQI
19th Oct 2025516 AMAQI
18°C12/24°C
19th Oct 2025527 AMAQI
19th Oct 2025478 AMAQI
19th Oct 2025499 AMAQI
19th Oct 20253510 AMAQI
19th Oct 20253311 AMAQI
19th Oct 20253412 PMAQI
19th Oct 2025281 PMAQI
19th Oct 2025342 PMAQI
19th Oct 2025283 PMAQI
19th Oct 2025344 PMAQI
19th Oct 2025345 PMAQI
19th Oct 2025276 PMAQI
19th Oct 2025247 PMAQI
19th Oct 2025208 PMAQI
19th Oct 2025189 PMAQI
19th Oct 20251810 PMAQI
19th Oct 20251611 PMAQI
20th Oct 20251512 AMAQI
20th Oct 2025141 AMAQI
20th Oct 2025152 AMAQI
20th Oct 2025163 AMAQI
20th Oct 2025164 AMAQI
20th Oct 2025145 AMAQI
20th Oct 2025176 AMAQI
21°C13/27°C
20th Oct 2025207 AMAQI
20th Oct 2025198 AMAQI
20th Oct 2025179 AMAQI
20th Oct 20251710 AMAQI
20th Oct 20251811 AMAQI
20th Oct 20251812 PMAQI
20th Oct 2025151 PMAQI
20th Oct 2025162 PMAQI
20th Oct 2025163 PMAQI
20th Oct 2025154 PMAQI
20th Oct 2025155 PMAQI
20th Oct 2025286 PMAQI
20th Oct 2025167 PMAQI
20th Oct 2025188 PMAQI
20th Oct 2025179 PMAQI
20th Oct 20253110 PMAQI
20th Oct 20254711 PMAQI
21st Oct 20254112 AMAQI
21st Oct 2025311 AMAQI
21st Oct 2025262 AMAQI
21st Oct 2025483 AMAQI
21st Oct 2025264 AMAQI
21st Oct 2025205 AMAQI
21st Oct 2025356 AMAQI
17°C12/23°C
21st Oct 2025487 AMAQI
7 AM21st Oct 2025518 AMAQI
21st Oct 2025519 AMAQI
21st Oct 20253910 AMAQI
21st Oct 20253511 AMAQI
21st Oct 20253112 PMAQI
12 PM21st Oct 2025331 PMAQI
21st Oct 2025352 PMAQI
21st Oct 2025303 PMAQI
21st Oct 2025274 PMAQI
6 PM
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
7 AM - 9 AM
36AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
4 PM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 9 AM (Avg. 36), while the lowest AQI was between 4 PM to 4 PM (Avg. 32).
Night time
Avg. Highest Time
12 AM - 6 AM
35AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
8 PM
30AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 6 AM (Avg. 35), while the lowest AQI was between 8 PM to 8 PM (Avg. 30).
2025 Days Vs Air Quality
Charleston, South Carolina, United States
2025
89%
262
11%
31
Total number of days with different AQI categories in last 294 days in 2025 (71 days remaining)
Good
262 DaysModerate
31 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 294 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, 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
36AQI
36AQI
2nd January 2025
41AQI
41AQI
3rd January 2025
39AQI
39AQI
4th January 2025
27AQI
27AQI
5th January 2025
36AQI
36AQI
6th January 2025
37AQI
37AQI
7th January 2025
29AQI
29AQI
8th January 2025
34AQI
34AQI
9th January 2025
36AQI
36AQI
10th January 2025
43AQI
43AQI
11th January 2025
25AQI
25AQI
12th January 2025
32AQI
32AQI
13th January 2025
39AQI
39AQI
14th January 2025
33AQI
33AQI
15th January 2025
32AQI
32AQI
16th January 2025
44AQI
44AQI
17th January 2025
41AQI
41AQI
18th January 2025
33AQI
33AQI
19th January 2025
27AQI
27AQI
20th January 2025
22AQI
22AQI
21st January 2025
26AQI
26AQI
22nd January 2025
27AQI
27AQI
23rd January 2025
34AQI
34AQI
24th January 2025
40AQI
40AQI
25th January 2025
42AQI
42AQI
26th January 2025
41AQI
41AQI
27th January 2025
43AQI
43AQI
28th January 2025
28AQI
28AQI
29th January 2025
33AQI
33AQI
30th January 2025
39AQI
39AQI
31st January 2025
40AQI
40AQI
1st February 2025
31AQI
31AQI
2nd February 2025
36AQI
36AQI
3rd February 2025
37AQI
37AQI
4th February 2025
46AQI
46AQI
5th February 2025
53AQI
53AQI
6th February 2025
51AQI
51AQI
7th February 2025
47AQI
47AQI
8th February 2025
46AQI
46AQI
9th February 2025
37AQI
37AQI
10th February 2025
43AQI
43AQI
11th February 2025
40AQI
40AQI
12th February 2025
35AQI
35AQI
13th February 2025
30AQI
30AQI
14th February 2025
26AQI
26AQI
15th February 2025
34AQI
34AQI
16th February 2025
29AQI
29AQI
17th February 2025
33AQI
33AQI
18th February 2025
39AQI
39AQI
19th February 2025
30AQI
30AQI
20th February 2025
34AQI
34AQI
21st February 2025
27AQI
27AQI
22nd February 2025
42AQI
42AQI
23rd February 2025
55AQI
55AQI
24th February 2025
57AQI
57AQI
25th February 2025
64AQI
64AQI
26th February 2025
81AQI
81AQI
27th February 2025
70AQI
70AQI
28th February 2025
42AQI
42AQI
1st March 2025
57AQI
57AQI
2nd March 2025
44AQI
44AQI
3rd March 2025
41AQI
41AQI
4th March 2025
34AQI
34AQI
5th March 2025
49AQI
49AQI
6th March 2025
28AQI
28AQI
7th March 2025
35AQI
35AQI
8th March 2025
49AQI
49AQI
9th March 2025
30AQI
30AQI
10th March 2025
41AQI
41AQI
11th March 2025
39AQI
39AQI
12th March 2025
48AQI
48AQI
13th March 2025
49AQI
49AQI
14th March 2025
46AQI
46AQI
15th March 2025
39AQI
39AQI
16th March 2025
52AQI
52AQI
17th March 2025
36AQI
36AQI
18th March 2025
25AQI
25AQI
19th March 2025
42AQI
42AQI
20th March 2025
37AQI
37AQI
21st March 2025
30AQI
30AQI
22nd March 2025
52AQI
52AQI
23rd March 2025
51AQI
51AQI
24th March 2025
38AQI
38AQI
25th March 2025
33AQI
33AQI
26th March 2025
38AQI
38AQI
27th March 2025
37AQI
37AQI
28th March 2025
42AQI
42AQI
29th March 2025
36AQI
36AQI
30th March 2025
38AQI
38AQI
31st March 2025
30AQI
30AQI
1st April 2025
43AQI
43AQI
2nd April 2025
44AQI
44AQI
3rd April 2025
44AQI
44AQI
4th April 2025
46AQI
46AQI
5th April 2025
39AQI
39AQI
6th April 2025
39AQI
39AQI
7th April 2025
46AQI
46AQI
8th April 2025
29AQI
29AQI
9th April 2025
42AQI
42AQI
10th April 2025
40AQI
40AQI
11th April 2025
34AQI
34AQI
12th April 2025
28AQI
28AQI
13th April 2025
34AQI
34AQI
14th April 2025
41AQI
41AQI
15th April 2025
52AQI
52AQI
16th April 2025
44AQI
44AQI
17th April 2025
52AQI
52AQI
18th April 2025
38AQI
38AQI
19th April 2025
29AQI
29AQI
20th April 2025
28AQI
28AQI
21st April 2025
38AQI
38AQI
22nd April 2025
41AQI
41AQI
23rd April 2025
42AQI
42AQI
24th April 2025
44AQI
44AQI
25th April 2025
42AQI
42AQI
26th April 2025
42AQI
42AQI
27th April 2025
44AQI
44AQI
28th April 2025
35AQI
35AQI
29th April 2025
26AQI
26AQI
30th April 2025
30AQI
30AQI
1st May 2025
35AQI
35AQI
2nd May 2025
41AQI
41AQI
3rd May 2025
35AQI
35AQI
4th May 2025
30AQI
30AQI
5th May 2025
34AQI
34AQI
6th May 2025
42AQI
42AQI
7th May 2025
49AQI
49AQI
8th May 2025
48AQI
48AQI
9th May 2025
32AQI
32AQI
10th May 2025
35AQI
35AQI
11th May 2025
28AQI
28AQI
12th May 2025
35AQI
35AQI
13th May 2025
29AQI
29AQI
14th May 2025
33AQI
33AQI
15th May 2025
45AQI
45AQI
16th May 2025
54AQI
54AQI
17th May 2025
49AQI
49AQI
18th May 2025
43AQI
43AQI
19th May 2025
42AQI
42AQI
20th May 2025
51AQI
51AQI
21st May 2025
48AQI
48AQI
22nd May 2025
30AQI
30AQI
23rd May 2025
42AQI
42AQI
24th May 2025
34AQI
34AQI
25th May 2025
38AQI
38AQI
26th May 2025
40AQI
40AQI
27th May 2025
34AQI
34AQI
28th May 2025
33AQI
33AQI
29th May 2025
36AQI
36AQI
30th May 2025
30AQI
30AQI
31st May 2025
34AQI
34AQI
1st June 2025
56AQI
56AQI
2nd June 2025
62AQI
62AQI
3rd June 2025
60AQI
60AQI
4th June 2025
54AQI
54AQI
5th June 2025
45AQI
45AQI
6th June 2025
41AQI
41AQI
7th June 2025
50AQI
50AQI
8th June 2025
49AQI
49AQI
9th June 2025
43AQI
43AQI
10th June 2025
40AQI
40AQI
11th June 2025
39AQI
39AQI
12th June 2025
30AQI
30AQI
13th June 2025
41AQI
41AQI
14th June 2025
40AQI
40AQI
15th June 2025
31AQI
31AQI
16th June 2025
29AQI
29AQI
17th June 2025
32AQI
32AQI
18th June 2025
34AQI
34AQI
19th June 2025
32AQI
32AQI
20th June 2025
36AQI
36AQI
21st June 2025
36AQI
36AQI
22nd June 2025
36AQI
36AQI
23rd June 2025
32AQI
32AQI
24th June 2025
39AQI
39AQI
25th June 2025
51AQI
51AQI
26th June 2025
46AQI
46AQI
27th June 2025
30AQI
30AQI
28th June 2025
27AQI
27AQI
29th June 2025
36AQI
36AQI
30th June 2025
37AQI
37AQI
1st July 2025
44AQI
44AQI
2nd July 2025
49AQI
49AQI
3rd July 2025
42AQI
42AQI
4th July 2025
43AQI
43AQI
5th July 2025
37AQI
37AQI
6th July 2025
29AQI
29AQI
7th July 2025
34AQI
34AQI
8th July 2025
37AQI
37AQI
9th July 2025
36AQI
36AQI
10th July 2025
32AQI
32AQI
11th July 2025
32AQI
32AQI
12th July 2025
35AQI
35AQI
13th July 2025
36AQI
36AQI
14th July 2025
35AQI
35AQI
15th July 2025
34AQI
34AQI
16th July 2025
42AQI
42AQI
17th July 2025
36AQI
36AQI
18th July 2025
33AQI
33AQI
19th July 2025
36AQI
36AQI
20th July 2025
40AQI
40AQI
21st July 2025
40AQI
40AQI
22nd July 2025
47AQI
47AQI
23rd July 2025
43AQI
43AQI
24th July 2025
29AQI
29AQI
25th July 2025
35AQI
35AQI
26th July 2025
55AQI
55AQI
27th July 2025
38AQI
38AQI
28th July 2025
42AQI
42AQI
29th July 2025
39AQI
39AQI
30th July 2025
40AQI
40AQI
31st July 2025
47AQI
47AQI
1st August 2025
45AQI
45AQI
2nd August 2025
33AQI
33AQI
3rd August 2025
38AQI
38AQI
4th August 2025
39AQI
39AQI
5th August 2025
37AQI
37AQI
6th August 2025
38AQI
38AQI
7th August 2025
32AQI
32AQI
8th August 2025
55AQI
55AQI
9th August 2025
47AQI
47AQI
10th August 2025
27AQI
27AQI
11th August 2025
25AQI
25AQI
12th August 2025
24AQI
24AQI
13th August 2025
23AQI
23AQI
14th August 2025
27AQI
27AQI
15th August 2025
36AQI
36AQI
16th August 2025
41AQI
41AQI
17th August 2025
47AQI
47AQI
18th August 2025
53AQI
53AQI
19th August 2025
54AQI
54AQI
20th August 2025
54AQI
54AQI
21st August 2025
49AQI
49AQI
22nd August 2025
38AQI
38AQI
23rd August 2025
26AQI
26AQI
24th August 2025
30AQI
30AQI
25th August 2025
34AQI
34AQI
26th August 2025
46AQI
46AQI
27th August 2025
47AQI
47AQI
28th August 2025
42AQI
42AQI
29th August 2025
49AQI
49AQI
30th August 2025
44AQI
44AQI
31st August 2025
40AQI
40AQI
1st September 2025
28AQI
28AQI
2nd September 2025
32AQI
32AQI
3rd September 2025
36AQI
36AQI
4th September 2025
40AQI
40AQI
5th September 2025
33AQI
33AQI
6th September 2025
29AQI
29AQI
7th September 2025
30AQI
30AQI
8th September 2025
45AQI
45AQI
9th September 2025
40AQI
40AQI
10th September 2025
39AQI
39AQI
11th September 2025
40AQI
40AQI
12th September 2025
34AQI
34AQI
13th September 2025
39AQI
39AQI
14th September 2025
43AQI
43AQI
15th September 2025
53AQI
53AQI
16th September 2025
53AQI
53AQI
17th September 2025
53AQI
53AQI
18th September 2025
51AQI
51AQI
19th September 2025
49AQI
49AQI
20th September 2025
54AQI
54AQI
21st September 2025
48AQI
48AQI
22nd September 2025
44AQI
44AQI
23rd September 2025
39AQI
39AQI
24th September 2025
27AQI
27AQI
25th September 2025
26AQI
26AQI
26th September 2025
30AQI
30AQI
27th September 2025
20AQI
20AQI
28th September 2025
40AQI
40AQI
29th September 2025
37AQI
37AQI
30th September 2025
42AQI
42AQI
1st October 2025
57AQI
57AQI
2nd October 2025
43AQI
43AQI
3rd October 2025
38AQI
38AQI
4th October 2025
30AQI
30AQI
5th October 2025
18AQI
18AQI
6th October 2025
12AQI
12AQI
7th October 2025
20AQI
20AQI
8th October 2025
32AQI
32AQI
9th October 2025
19AQI
19AQI
10th October 2025
32AQI
32AQI
11th October 2025
14AQI
14AQI
12th October 2025
18AQI
18AQI
13th October 2025
17AQI
17AQI
14th October 2025
43AQI
43AQI
15th October 2025
26AQI
26AQI
16th October 2025
50AQI
50AQI
17th October 2025
37AQI
37AQI
18th October 2025
32AQI
32AQI
19th October 2025
32AQI
32AQI
20th October 2025
19AQI
19AQI
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
35AQI
43AQI
40AQI
39AQI
38AQI
40AQI
39AQI
39AQI
39AQI
29AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
31
21
7
27
4
28
2
29
2
25
5
30
1
27
4
25
5
19
1
262
31
Highest AQI recorded in
February43AQI
Lowest AQI recorded in
October29AQI
202435AQI
15
1
1
1
12
29
31
31
25
3
27
4
26
4
30
1
228
13
Highest AQI recorded in
October41AQI
Lowest AQI recorded in
March25AQI
202327AQI
3
31
34
Highest AQI recorded in
November38AQI
Lowest AQI recorded in
December26AQI
202234AQI
27
4
17
4
26
5
25
31
30
6
162
13
Highest AQI recorded in
February43AQI
Lowest AQI recorded in
July25AQI
202135AQI
29
1
25
3
30
1
27
3
28
2
29
1
28
3
25
6
28
2
29
2
28
2
23
8
329
34
Highest AQI recorded in
December45AQI
Lowest AQI recorded in
June31AQI
202032AQI
11
28
2
29
1
29
1
26
5
123
9
Highest AQI recorded in
December38AQI
Lowest AQI recorded in
October29AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
38AQILeast Polluted Year Recorded
2023(Avg.)
27AQICharleston's annual 2025 AQI (38) shows an average percentage change of 19.5% (worsened AQI) compared to previous years: 2020 (32), 2021 (35), 2022 (34), 2023 (27), 2024 (35).
