Chartiers, Pennsylvania, 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
Chartiers, Pennsylvania, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
29th Oct 2024
50AQILowest AQI recorded on
1st Oct 2024
11AQISame Day Analysis (23rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 13 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 23rd Oct - 24th Oct 2025
Chartiers, Pennsylvania, United States
AQI
Day
Night
.
7 AM23rd Oct 2025
6 PM
6 AM24th Oct 2025
Day time
Avg. Highest Time
7AM23rd Oct
17AQI
Avg. Lowest Time
6PM23rd Oct
11AQI
Night time
Avg. Highest Time
6AM24th Oct
16AQI
Avg. Lowest Time
11PM23rd Oct
6AQI
In the last 24 hours,
Chartiers's AQI reached its highest point of 17 at 7 AM during the Day, while the lowest point, 6, was recorded at 11 PM during the Night between 23rd Oct and 24th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Chartiers, Pennsylvania, United States
SepOct
24th - 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 - 22nd22nd - 23rd23rd - 24th24th
Day
Night
24th Sep 2025527 AMAQI
24th Sep 2025508 AMAQI
24th Sep 2025489 AMAQI
24th Sep 20254410 AMAQI
24th Sep 20254411 AMAQI
24th Sep 20254112 PMAQI
24th Sep 2025401 PMAQI
24th Sep 2025392 PMAQI
24th Sep 2025393 PMAQI
24th Sep 2025394 PMAQI
24th Sep 2025385 PMAQI
24th Sep 2025386 PMAQI
24th Sep 2025417 PMAQI
24th Sep 2025428 PMAQI
24th Sep 2025369 PMAQI
24th Sep 20253810 PMAQI
24th Sep 20253711 PMAQI
25th Sep 20253912 AMAQI
25th Sep 2025341 AMAQI
25th Sep 2025362 AMAQI
25th Sep 2025463 AMAQI
25th Sep 2025524 AMAQI
25th Sep 2025545 AMAQI
25th Sep 2025456 AMAQI
19°C17/21°C
25th Sep 2025447 AMAQI
25th Sep 2025298 AMAQI
25th Sep 2025209 AMAQI
25th Sep 20251510 AMAQI
25th Sep 20251611 AMAQI
25th Sep 20252112 PMAQI
25th Sep 2025271 PMAQI
25th Sep 2025302 PMAQI
25th Sep 2025323 PMAQI
25th Sep 2025324 PMAQI
25th Sep 2025335 PMAQI
25th Sep 2025326 PMAQI
25th Sep 2025267 PMAQI
25th Sep 2025398 PMAQI
25th Sep 2025499 PMAQI
25th Sep 20255110 PMAQI
25th Sep 20255311 PMAQI
26th Sep 20255112 AMAQI
26th Sep 2025401 AMAQI
26th Sep 2025382 AMAQI
26th Sep 2025503 AMAQI
26th Sep 2025464 AMAQI
26th Sep 2025405 AMAQI
26th Sep 2025286 AMAQI
19°C18/22°C
26th Sep 2025267 AMAQI
26th Sep 2025228 AMAQI
26th Sep 2025229 AMAQI
26th Sep 20252610 AMAQI
26th Sep 20253311 AMAQI
26th Sep 20253412 PMAQI
26th Sep 2025351 PMAQI
26th Sep 2025372 PMAQI
26th Sep 2025413 PMAQI
26th Sep 2025404 PMAQI
26th Sep 2025375 PMAQI
26th Sep 2025336 PMAQI
26th Sep 2025307 PMAQI
26th Sep 2025358 PMAQI
26th Sep 2025449 PMAQI
26th Sep 20255010 PMAQI
26th Sep 20255011 PMAQI
27th Sep 20255112 AMAQI
27th Sep 2025511 AMAQI
27th Sep 2025522 AMAQI
27th Sep 2025503 AMAQI
27th Sep 2025504 AMAQI
27th Sep 2025505 AMAQI
27th Sep 2025506 AMAQI
20°C16/26°C
27th Sep 2025487 AMAQI
27th Sep 2025428 AMAQI
27th Sep 2025399 AMAQI
27th Sep 20253910 AMAQI
27th Sep 20253911 AMAQI
27th Sep 20253312 PMAQI
27th Sep 2025241 PMAQI
27th Sep 2025222 PMAQI
27th Sep 2025223 PMAQI
27th Sep 2025224 PMAQI
27th Sep 2025225 PMAQI
27th Sep 2025226 PMAQI
27th Sep 2025267 PMAQI
27th Sep 2025308 PMAQI
27th Sep 2025339 PMAQI
27th Sep 20253310 PMAQI
27th Sep 20253511 PMAQI
28th Sep 20253912 AMAQI
28th Sep 2025391 AMAQI
28th Sep 2025502 AMAQI
28th Sep 2025433 AMAQI
28th Sep 2025394 AMAQI
28th Sep 2025395 AMAQI
28th Sep 2025396 AMAQI
19°C14/27°C
28th Sep 2025377 AMAQI
28th Sep 2025328 AMAQI
28th Sep 2025299 AMAQI
28th Sep 20253010 AMAQI
28th Sep 20253211 AMAQI
28th Sep 20253012 PMAQI
28th Sep 2025291 PMAQI
28th Sep 2025342 PMAQI
28th Sep 2025363 PMAQI
28th Sep 2025374 PMAQI
28th Sep 2025405 PMAQI
28th Sep 2025406 PMAQI
28th Sep 2025427 PMAQI
28th Sep 2025618 PMAQI
28th Sep 20251039 PMAQI
28th Sep 20259210 PMAQI
28th Sep 20256511 PMAQI
29th Sep 20254812 AMAQI
29th Sep 2025461 AMAQI
29th Sep 2025392 AMAQI
29th Sep 2025393 AMAQI
29th Sep 2025394 AMAQI
29th Sep 2025395 AMAQI
29th Sep 2025396 AMAQI
21°C13/31°C
29th Sep 2025417 AMAQI
29th Sep 2025488 AMAQI
29th Sep 2025479 AMAQI
29th Sep 20255110 AMAQI
29th Sep 20254911 AMAQI
29th Sep 20255312 PMAQI
29th Sep 2025371 PMAQI
29th Sep 2025352 PMAQI
29th Sep 2025283 PMAQI
29th Sep 2025204 PMAQI
29th Sep 2025205 PMAQI
29th Sep 2025196 PMAQI
29th Sep 2025227 PMAQI
29th Sep 2025228 PMAQI
29th Sep 2025299 PMAQI
29th Sep 20252210 PMAQI
29th Sep 20252211 PMAQI
30th Sep 20252512 AMAQI
30th Sep 2025251 AMAQI
30th Sep 2025222 AMAQI
30th Sep 2025263 AMAQI
30th Sep 2025274 AMAQI
30th Sep 2025405 AMAQI
30th Sep 2025346 AMAQI
21°C13/30°C
30th Sep 2025427 AMAQI
30th Sep 2025338 AMAQI
30th Sep 2025279 AMAQI
30th Sep 20252510 AMAQI
30th Sep 20252011 AMAQI
30th Sep 20252512 PMAQI
30th Sep 2025261 PMAQI
30th Sep 2025462 PMAQI
30th Sep 2025403 PMAQI
30th Sep 2025264 PMAQI
30th Sep 2025255 PMAQI
30th Sep 2025206 PMAQI
30th Sep 2025177 PMAQI
30th Sep 2025178 PMAQI
30th Sep 2025209 PMAQI
30th Sep 20252110 PMAQI
30th Sep 20252311 PMAQI
1st Oct 20252112 AMAQI
1st Oct 2025221 AMAQI
1st Oct 2025252 AMAQI
1st Oct 2025223 AMAQI
1st Oct 2025284 AMAQI
1st Oct 2025305 AMAQI
1st Oct 2025286 AMAQI
21°C14/29°C
1st Oct 2025287 AMAQI
1st Oct 2025308 AMAQI
1st Oct 2025289 AMAQI
1st Oct 20252310 AMAQI
1st Oct 20252311 AMAQI
1st Oct 20251812 PMAQI
1st Oct 2025161 PMAQI
1st Oct 2025182 PMAQI
1st Oct 2025183 PMAQI
1st Oct 2025164 PMAQI
1st Oct 2025335 PMAQI
1st Oct 2025196 PMAQI
1st Oct 2025167 PMAQI
1st Oct 2025168 PMAQI
1st Oct 2025149 PMAQI
1st Oct 20251610 PMAQI
1st Oct 20252311 PMAQI
2nd Oct 20251612 AMAQI
2nd Oct 2025181 AMAQI
2nd Oct 2025362 AMAQI
2nd Oct 2025233 AMAQI
2nd Oct 2025174 AMAQI
2nd Oct 2025155 AMAQI
2nd Oct 2025156 AMAQI
18°C11/27°C
2nd Oct 2025147 AMAQI
2nd Oct 2025168 AMAQI
2nd Oct 2025179 AMAQI
2nd Oct 20252010 AMAQI
2nd Oct 20253511 AMAQI
2nd Oct 20254112 PMAQI
2nd Oct 2025361 PMAQI
2nd Oct 2025362 PMAQI
2nd Oct 2025333 PMAQI
2nd Oct 2025204 PMAQI
2nd Oct 2025225 PMAQI
2nd Oct 2025236 PMAQI
2nd Oct 2025377 PMAQI
2nd Oct 2025428 PMAQI
2nd Oct 2025399 PMAQI
2nd Oct 20252810 PMAQI
2nd Oct 20252411 PMAQI
3rd Oct 20253112 AMAQI
3rd Oct 2025331 AMAQI
3rd Oct 2025372 AMAQI
3rd Oct 2025323 AMAQI
3rd Oct 2025204 AMAQI
3rd Oct 2025185 AMAQI
3rd Oct 2025186 AMAQI
17°C7/27°C
3rd Oct 2025197 AMAQI
3rd Oct 2025298 AMAQI
3rd Oct 2025339 AMAQI
3rd Oct 20253710 AMAQI
3rd Oct 20255411 AMAQI
3rd Oct 20256212 PMAQI
3rd Oct 2025431 PMAQI
3rd Oct 2025382 PMAQI
3rd Oct 2025393 PMAQI
3rd Oct 2025304 PMAQI
3rd Oct 2025385 PMAQI
3rd Oct 2025416 PMAQI
3rd Oct 2025387 PMAQI
3rd Oct 2025408 PMAQI
3rd Oct 2025419 PMAQI
3rd Oct 20253810 PMAQI
3rd Oct 20254511 PMAQI
4th Oct 20254812 AMAQI
4th Oct 2025471 AMAQI
4th Oct 2025462 AMAQI
4th Oct 2025443 AMAQI
4th Oct 2025444 AMAQI
4th Oct 2025425 AMAQI
4th Oct 2025406 AMAQI
18°C10/28°C
4th Oct 2025357 AMAQI
4th Oct 2025438 AMAQI
4th Oct 2025409 AMAQI
4th Oct 20254310 AMAQI
4th Oct 20255211 AMAQI
4th Oct 20255212 PMAQI
4th Oct 2025501 PMAQI
4th Oct 2025452 PMAQI
4th Oct 2025483 PMAQI
4th Oct 2025484 PMAQI
4th Oct 2025385 PMAQI
4th Oct 2025376 PMAQI
4th Oct 2025417 PMAQI
4th Oct 2025488 PMAQI
4th Oct 2025479 PMAQI
4th Oct 20254010 PMAQI
4th Oct 20254511 PMAQI
5th Oct 20254112 AMAQI
5th Oct 2025421 AMAQI
5th Oct 2025432 AMAQI
5th Oct 2025443 AMAQI
5th Oct 2025444 AMAQI
5th Oct 2025375 AMAQI
5th Oct 2025436 AMAQI
19°C10/30°C
5th Oct 2025507 AMAQI
5th Oct 2025538 AMAQI
5th Oct 2025579 AMAQI
5th Oct 20255610 AMAQI
5th Oct 20255711 AMAQI
5th Oct 20255612 PMAQI
5th Oct 2025491 PMAQI
5th Oct 2025392 PMAQI
5th Oct 2025243 PMAQI
5th Oct 2025354 PMAQI
5th Oct 2025225 PMAQI
5th Oct 2025476 PMAQI
5th Oct 2025247 PMAQI
5th Oct 2025378 PMAQI
5th Oct 2025339 PMAQI
5th Oct 20252010 PMAQI
5th Oct 20252011 PMAQI
6th Oct 20253012 AMAQI
6th Oct 2025471 AMAQI
6th Oct 2025552 AMAQI
6th Oct 2025393 AMAQI
6th Oct 2025384 AMAQI
6th Oct 2025395 AMAQI
6th Oct 2025416 AMAQI
19°C9/30°C
6th Oct 2025387 AMAQI
6th Oct 2025388 AMAQI
6th Oct 2025499 AMAQI
6th Oct 20254410 AMAQI
6th Oct 20255411 AMAQI
6th Oct 20255912 PMAQI
6th Oct 2025561 PMAQI
20°C12/31°C
7th Oct 2025477 AMAQI
7th Oct 2025268 AMAQI
7th Oct 2025289 AMAQI
7th Oct 20252310 AMAQI
7th Oct 20251911 AMAQI
7th Oct 20251912 PMAQI
7th Oct 2025161 PMAQI
7th Oct 2025182 PMAQI
7th Oct 2025353 PMAQI
7th Oct 2025304 PMAQI
7th Oct 2025255 PMAQI
7th Oct 2025266 PMAQI
7th Oct 2025257 PMAQI
7th Oct 2025218 PMAQI
7th Oct 2025229 PMAQI
7th Oct 20252210 PMAQI
7th Oct 20252111 PMAQI
8th Oct 20252212 AMAQI
8th Oct 2025221 AMAQI
8th Oct 2025222 AMAQI
8th Oct 2025163 AMAQI
8th Oct 2025234 AMAQI
8th Oct 2025245 AMAQI
8th Oct 2025226 AMAQI
19°C16/24°C
8th Oct 2025247 AMAQI
8th Oct 2025218 AMAQI
8th Oct 2025229 AMAQI
8th Oct 20252310 AMAQI
8th Oct 20252411 AMAQI
8th Oct 20252612 PMAQI
8th Oct 2025231 PMAQI
8th Oct 2025242 PMAQI
8th Oct 2025243 PMAQI
8th Oct 2025234 PMAQI
8th Oct 2025245 PMAQI
8th Oct 2025186 PMAQI
8th Oct 2025207 PMAQI
8th Oct 2025208 PMAQI
8th Oct 2025229 PMAQI
8th Oct 20252410 PMAQI
8th Oct 20252311 PMAQI
9th Oct 20252212 AMAQI
9th Oct 2025241 AMAQI
9th Oct 2025162 AMAQI
9th Oct 2025203 AMAQI
9th Oct 2025154 AMAQI
9th Oct 2025215 AMAQI
9th Oct 2025166 AMAQI
14°C9/17°C
9th Oct 2025147 AMAQI
9th Oct 2025278 AMAQI
9th Oct 2025229 AMAQI
9th Oct 20252210 AMAQI
9th Oct 20252811 AMAQI
9th Oct 20252312 PMAQI
9th Oct 2025221 PMAQI
9th Oct 2025232 PMAQI
9th Oct 2025283 PMAQI
9th Oct 2025274 PMAQI
9th Oct 2025335 PMAQI
9th Oct 2025276 PMAQI
9th Oct 2025227 PMAQI
9th Oct 2025238 PMAQI
9th Oct 2025249 PMAQI
9th Oct 20252210 PMAQI
9th Oct 20252611 PMAQI
10th Oct 20253912 AMAQI
10th Oct 2025281 AMAQI
10th Oct 2025432 AMAQI
10th Oct 2025403 AMAQI
10th Oct 2025394 AMAQI
10th Oct 2025205 AMAQI
10th Oct 2025126 AMAQI
10°C4/18°C
10th Oct 2025127 AMAQI
10th Oct 2025128 AMAQI
10th Oct 2025339 AMAQI
10th Oct 20254710 AMAQI
10th Oct 20254811 AMAQI
10th Oct 20255012 PMAQI
10th Oct 2025431 PMAQI
10th Oct 2025382 PMAQI
10th Oct 2025193 PMAQI
10th Oct 2025114 PMAQI
10th Oct 2025205 PMAQI
10th Oct 2025256 PMAQI
10th Oct 2025217 PMAQI
10th Oct 2025218 PMAQI
10th Oct 2025249 PMAQI
10th Oct 20252410 PMAQI
10th Oct 20251611 PMAQI
11th Oct 20253212 AMAQI
11th Oct 2025311 AMAQI
11th Oct 2025252 AMAQI
11th Oct 2025263 AMAQI
11th Oct 2025274 AMAQI
11th Oct 2025245 AMAQI
11th Oct 2025246 AMAQI
11°C4/20°C
11th Oct 2025237 AMAQI
11th Oct 2025278 AMAQI
11th Oct 2025269 AMAQI
11th Oct 20253010 AMAQI
11th Oct 20254111 AMAQI
11th Oct 20253912 PMAQI
11th Oct 2025371 PMAQI
11th Oct 2025402 PMAQI
11th Oct 2025243 PMAQI
11th Oct 2025344 PMAQI
11th Oct 2025205 PMAQI
11th Oct 2025196 PMAQI
11th Oct 2025197 PMAQI
11th Oct 2025168 PMAQI
11th Oct 2025169 PMAQI
11th Oct 20253410 PMAQI
11th Oct 20252611 PMAQI
12th Oct 20253612 AMAQI
12th Oct 2025421 AMAQI
12th Oct 2025402 AMAQI
12th Oct 2025413 AMAQI
12th Oct 2025384 AMAQI
12th Oct 2025455 AMAQI
12th Oct 2025416 AMAQI
13°C7/21°C
12th Oct 2025417 AMAQI
12th Oct 2025458 AMAQI
12th Oct 2025459 AMAQI
12th Oct 20254110 AMAQI
12th Oct 20254411 AMAQI
12th Oct 20252412 PMAQI
12th Oct 2025231 PMAQI
12th Oct 2025282 PMAQI
12th Oct 2025243 PMAQI
12th Oct 2025284 PMAQI
12th Oct 2025235 PMAQI
12th Oct 2025226 PMAQI
12th Oct 2025227 PMAQI
12th Oct 2025228 PMAQI
12th Oct 2025319 PMAQI
12th Oct 20252810 PMAQI
12th Oct 20252411 PMAQI
13th Oct 20252712 AMAQI
13th Oct 2025251 AMAQI
13th Oct 2025152 AMAQI
13th Oct 2025223 AMAQI
13th Oct 2025154 AMAQI
13th Oct 2025125 AMAQI
13th Oct 2025226 AMAQI
14°C9/21°C
13th Oct 2025147 AMAQI
13th Oct 2025128 AMAQI
13th Oct 2025239 AMAQI
13th Oct 20251510 AMAQI
13th Oct 20252411 AMAQI
13th Oct 20252112 PMAQI
13th Oct 2025201 PMAQI
13th Oct 2025302 PMAQI
13th Oct 2025343 PMAQI
13th Oct 2025264 PMAQI
13th Oct 2025275 PMAQI
13th Oct 2025346 PMAQI
13th Oct 2025307 PMAQI
13th Oct 2025278 PMAQI
13th Oct 2025269 PMAQI
13th Oct 20252710 PMAQI
13th Oct 20252511 PMAQI
14th Oct 20252512 AMAQI
14th Oct 2025271 AMAQI
14th Oct 2025252 AMAQI
14th Oct 2025263 AMAQI
14th Oct 2025284 AMAQI
14th Oct 2025275 AMAQI
14th Oct 2025246 AMAQI
14°C9/19°C
14th Oct 2025247 AMAQI
14th Oct 2025268 AMAQI
14th Oct 2025259 AMAQI
14th Oct 20252610 AMAQI
14th Oct 20252711 AMAQI
14th Oct 20252812 PMAQI
14th Oct 2025311 PMAQI
14th Oct 2025302 PMAQI
14th Oct 2025283 PMAQI
14th Oct 2025254 PMAQI
14th Oct 2025125 PMAQI
14th Oct 2025116 PMAQI
14th Oct 2025267 PMAQI
14th Oct 2025288 PMAQI
14th Oct 2025309 PMAQI
14th Oct 20253010 PMAQI
14th Oct 20252711 PMAQI
15th Oct 20253012 AMAQI
15th Oct 2025281 AMAQI
15th Oct 2025282 AMAQI
15th Oct 2025253 AMAQI
15th Oct 2025174 AMAQI
15th Oct 2025125 AMAQI
15th Oct 2025226 AMAQI
15°C12/22°C
15th Oct 2025227 AMAQI
15th Oct 2025178 AMAQI
15th Oct 2025239 AMAQI
15th Oct 20252010 AMAQI
15th Oct 20252211 AMAQI
15th Oct 20253412 PMAQI
15th Oct 2025261 PMAQI
15th Oct 2025282 PMAQI
15th Oct 2025353 PMAQI
15th Oct 2025264 PMAQI
15th Oct 2025255 PMAQI
15th Oct 2025306 PMAQI
15th Oct 2025287 PMAQI
15th Oct 2025288 PMAQI
15th Oct 2025269 PMAQI
15th Oct 20252610 PMAQI
15th Oct 20252811 PMAQI
16th Oct 20252312 AMAQI
16th Oct 2025371 AMAQI
16th Oct 2025342 AMAQI
16th Oct 2025263 AMAQI
16th Oct 2025124 AMAQI
16th Oct 2025175 AMAQI
16th Oct 2025256 AMAQI
14°C8/21°C
16th Oct 2025247 AMAQI
16th Oct 2025268 AMAQI
16th Oct 2025169 AMAQI
16th Oct 20251910 AMAQI
16th Oct 20253411 AMAQI
16th Oct 20253612 PMAQI
16th Oct 2025301 PMAQI
16th Oct 2025272 PMAQI
16th Oct 2025303 PMAQI
16th Oct 2025254 PMAQI
16th Oct 2025265 PMAQI
16th Oct 2025266 PMAQI
16th Oct 2025317 PMAQI
16th Oct 2025268 PMAQI
16th Oct 2025329 PMAQI
16th Oct 20252910 PMAQI
16th Oct 20252111 PMAQI
17th Oct 20252312 AMAQI
17th Oct 2025321 AMAQI
17th Oct 2025302 AMAQI
17th Oct 2025273 AMAQI
17th Oct 2025224 AMAQI
17th Oct 2025255 AMAQI
17th Oct 2025166 AMAQI
10°C4/19°C
17th Oct 2025177 AMAQI
17th Oct 2025128 AMAQI
17th Oct 2025139 AMAQI
17th Oct 20251710 AMAQI
17th Oct 20252611 AMAQI
17th Oct 20254212 PMAQI
17th Oct 2025411 PMAQI
17th Oct 2025432 PMAQI
17th Oct 2025283 PMAQI
17th Oct 2025194 PMAQI
17th Oct 2025265 PMAQI
17th Oct 2025216 PMAQI
17th Oct 2025227 PMAQI
17th Oct 2025228 PMAQI
17th Oct 2025189 PMAQI
17th Oct 20251710 PMAQI
17th Oct 20252111 PMAQI
18th Oct 20252812 AMAQI
18th Oct 2025301 AMAQI
18th Oct 2025322 AMAQI
18th Oct 2025363 AMAQI
18th Oct 2025324 AMAQI
18th Oct 2025325 AMAQI
18th Oct 2025286 AMAQI
10°C2/20°C
18th Oct 2025357 AMAQI
18th Oct 2025408 AMAQI
18th Oct 2025439 AMAQI
18th Oct 20253710 AMAQI
18th Oct 20254211 AMAQI
18th Oct 20254812 PMAQI
18th Oct 2025511 PMAQI
18th Oct 2025512 PMAQI
18th Oct 2025443 PMAQI
18th Oct 2025344 PMAQI
18th Oct 2025435 PMAQI
18th Oct 2025486 PMAQI
18th Oct 2025447 PMAQI
18th Oct 2025528 PMAQI
18th Oct 2025569 PMAQI
18th Oct 20255210 PMAQI
18th Oct 20255211 PMAQI
19th Oct 20255512 AMAQI
19th Oct 2025621 AMAQI
19th Oct 2025572 AMAQI
19th Oct 2025563 AMAQI
19th Oct 2025574 AMAQI
19th Oct 2025565 AMAQI
19th Oct 2025556 AMAQI
17°C9/28°C
19th Oct 2025497 AMAQI
19th Oct 2025518 AMAQI
19th Oct 2025529 AMAQI
19th Oct 20255110 AMAQI
19th Oct 20255211 AMAQI
19th Oct 20255412 PMAQI
19th Oct 2025551 PMAQI
19th Oct 2025522 PMAQI
19th Oct 2025543 PMAQI
19th Oct 2025264 PMAQI
19th Oct 2025225 PMAQI
19th Oct 2025266 PMAQI
19th Oct 2025227 PMAQI
19th Oct 2025208 PMAQI
19th Oct 2025229 PMAQI
19th Oct 20252010 PMAQI
19th Oct 20252311 PMAQI
20th Oct 20252212 AMAQI
20th Oct 2025231 AMAQI
20th Oct 2025232 AMAQI
20th Oct 2025243 AMAQI
20th Oct 2025234 AMAQI
20th Oct 2025225 AMAQI
20th Oct 2025216 AMAQI
17°C10/25°C
20th Oct 2025237 AMAQI
20th Oct 2025228 AMAQI
20th Oct 2025239 AMAQI
20th Oct 20252310 AMAQI
20th Oct 20252311 AMAQI
20th Oct 20252412 PMAQI
20th Oct 2025241 PMAQI
20th Oct 2025252 PMAQI
20th Oct 2025263 PMAQI
20th Oct 2025244 PMAQI
20th Oct 2025255 PMAQI
20th Oct 2025336 PMAQI
20th Oct 2025267 PMAQI
20th Oct 2025278 PMAQI
20th Oct 2025249 PMAQI
20th Oct 20252810 PMAQI
20th Oct 20252711 PMAQI
21st Oct 20253312 AMAQI
21st Oct 2025581 AMAQI
21st Oct 2025572 AMAQI
21st Oct 2025303 AMAQI
21st Oct 2025244 AMAQI
21st Oct 2025245 AMAQI
21st Oct 2025236 AMAQI
10°C6/13°C
21st Oct 2025177 AMAQI
21st Oct 2025198 AMAQI
21st Oct 2025179 AMAQI
21st Oct 20251810 AMAQI
21st Oct 20251911 AMAQI
21st Oct 20251912 PMAQI
21st Oct 2025171 PMAQI
21st Oct 2025182 PMAQI
21st Oct 2025223 PMAQI
21st Oct 2025224 PMAQI
21st Oct 2025225 PMAQI
21st Oct 2025226 PMAQI
21st Oct 2025227 PMAQI
21st Oct 2025248 PMAQI
21st Oct 2025269 PMAQI
21st Oct 20252410 PMAQI
21st Oct 20252811 PMAQI
22nd Oct 20252812 AMAQI
22nd Oct 2025231 AMAQI
22nd Oct 2025222 AMAQI
22nd Oct 2025203 AMAQI
22nd Oct 2025174 AMAQI
22nd Oct 2025175 AMAQI
22nd Oct 2025176 AMAQI
9°C6/14°C
22nd Oct 2025157 AMAQI
22nd Oct 2025118 AMAQI
22nd Oct 2025119 AMAQI
22nd Oct 20251610 AMAQI
22nd Oct 20251711 AMAQI
22nd Oct 20251712 PMAQI
22nd Oct 2025171 PMAQI
22nd Oct 2025172 PMAQI
22nd Oct 2025173 PMAQI
22nd Oct 2025174 PMAQI
22nd Oct 2025175 PMAQI
22nd Oct 2025176 PMAQI
22nd Oct 2025177 PMAQI
22nd Oct 2025178 PMAQI
22nd Oct 2025179 PMAQI
22nd Oct 20251710 PMAQI
22nd Oct 20251711 PMAQI
23rd Oct 20251212 AMAQI
23rd Oct 2025111 AMAQI
23rd Oct 2025112 AMAQI
23rd Oct 2025113 AMAQI
23rd Oct 2025134 AMAQI
23rd Oct 2025175 AMAQI
23rd Oct 2025176 AMAQI
8°C5/10°C
23rd Oct 2025177 AMAQI
23rd Oct 2025178 AMAQI
23rd Oct 2025179 AMAQI
23rd Oct 20251710 AMAQI
23rd Oct 20251711 AMAQI
23rd Oct 20251712 PMAQI
23rd Oct 2025171 PMAQI
23rd Oct 2025172 PMAQI
23rd Oct 2025173 PMAQI
23rd Oct 2025124 PMAQI
23rd Oct 2025115 PMAQI
23rd Oct 2025116 PMAQI
23rd Oct 2025117 PMAQI
23rd Oct 2025118 PMAQI
23rd Oct 2025119 PMAQI
23rd Oct 20251010 PMAQI
23rd Oct 2025611 PMAQI
24th Oct 20251012 AMAQI
24th Oct 2025111 AMAQI
24th Oct 2025112 AMAQI
24th Oct 2025113 AMAQI
24th Oct 2025114 AMAQI
24th Oct 2025115 AMAQI
24th Oct 2025166 AMAQI
7°C5/10°C
24th Oct 2025177 AMAQI
7 AM24th Oct 2025178 AMAQI
24th Oct 2025189 AMAQI
24th Oct 20252210 AMAQI
24th Oct 20252211 AMAQI
24th Oct 20252212 PMAQI
12 PM24th Oct 2025181 PMAQI
24th Oct 2025152 PMAQI
24th Oct 2025113 PMAQI
24th Oct 2025114 PMAQI
24th Oct 2025195 PMAQI
24th Oct 2025206 PMAQI
6 PM12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 12 PM
34AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
4 PM - 5 PM
26AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 12 PM (Avg. 34), while the lowest AQI was between 4 PM to 5 PM (Avg. 26).
Night time
Avg. Highest Time
1 AM - 2 AM
34AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM
26AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 2 AM (Avg. 34), while the lowest AQI was between 7 PM to 7 PM (Avg. 26).
2025 Days Vs Air Quality
Chartiers, Pennsylvania, United States
2025
87%
257
13%
39
Total number of days with different AQI categories in last 297 days in 2025 (68 days remaining)
Good
257 DaysModerate
39 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 297 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
Chartiers, Pennsylvania, 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
20AQI
20AQI
2nd January 2025
21AQI
21AQI
3rd January 2025
27AQI
27AQI
4th January 2025
24AQI
24AQI
5th January 2025
34AQI
34AQI
6th January 2025
29AQI
29AQI
7th January 2025
23AQI
23AQI
8th January 2025
27AQI
27AQI
9th January 2025
26AQI
26AQI
10th January 2025
54AQI
54AQI
11th January 2025
63AQI
63AQI
12th January 2025
48AQI
48AQI
13th January 2025
28AQI
28AQI
14th January 2025
27AQI
27AQI
15th January 2025
37AQI
37AQI
16th January 2025
40AQI
40AQI
17th January 2025
44AQI
44AQI
18th January 2025
26AQI
26AQI
19th January 2025
27AQI
27AQI
20th January 2025
25AQI
25AQI
21st January 2025
28AQI
28AQI
22nd January 2025
36AQI
36AQI
23rd January 2025
38AQI
38AQI
24th January 2025
33AQI
33AQI
25th January 2025
40AQI
40AQI
26th January 2025
27AQI
27AQI
27th January 2025
29AQI
29AQI
28th January 2025
27AQI
27AQI
29th January 2025
28AQI
28AQI
30th January 2025
26AQI
26AQI
31st January 2025
27AQI
27AQI
1st February 2025
28AQI
28AQI
2nd February 2025
24AQI
24AQI
3rd February 2025
37AQI
37AQI
4th February 2025
32AQI
32AQI
5th February 2025
23AQI
23AQI
6th February 2025
26AQI
26AQI
7th February 2025
24AQI
24AQI
8th February 2025
29AQI
29AQI
9th February 2025
28AQI
28AQI
10th February 2025
31AQI
31AQI
11th February 2025
48AQI
48AQI
12th February 2025
36AQI
36AQI
13th February 2025
24AQI
24AQI
14th February 2025
32AQI
32AQI
15th February 2025
28AQI
28AQI
16th February 2025
22AQI
22AQI
17th February 2025
29AQI
29AQI
18th February 2025
28AQI
28AQI
19th February 2025
27AQI
27AQI
20th February 2025
27AQI
27AQI
21st February 2025
34AQI
34AQI
22nd February 2025
40AQI
40AQI
23rd February 2025
38AQI
38AQI
24th February 2025
34AQI
34AQI
25th February 2025
28AQI
28AQI
26th February 2025
40AQI
40AQI
27th February 2025
43AQI
43AQI
28th February 2025
29AQI
29AQI
1st March 2025
29AQI
29AQI
2nd March 2025
25AQI
25AQI
3rd March 2025
29AQI
29AQI
4th March 2025
29AQI
29AQI
5th March 2025
28AQI
28AQI
6th March 2025
26AQI
26AQI
7th March 2025
29AQI
29AQI
8th March 2025
32AQI
32AQI
9th March 2025
28AQI
28AQI
10th March 2025
38AQI
38AQI
11th March 2025
35AQI
35AQI
12th March 2025
30AQI
30AQI
13th March 2025
36AQI
36AQI
14th March 2025
44AQI
44AQI
15th March 2025
48AQI
48AQI
16th March 2025
26AQI
26AQI
17th March 2025
16AQI
16AQI
18th March 2025
22AQI
22AQI
19th March 2025
23AQI
23AQI
20th March 2025
24AQI
24AQI
21st March 2025
16AQI
16AQI
22nd March 2025
19AQI
19AQI
23rd March 2025
23AQI
23AQI
24th March 2025
19AQI
19AQI
25th March 2025
20AQI
20AQI
26th March 2025
20AQI
20AQI
27th March 2025
21AQI
21AQI
28th March 2025
31AQI
31AQI
29th March 2025
55AQI
55AQI
30th March 2025
45AQI
45AQI
31st March 2025
20AQI
20AQI
1st April 2025
18AQI
18AQI
2nd April 2025
24AQI
24AQI
3rd April 2025
20AQI
20AQI
4th April 2025
24AQI
24AQI
5th April 2025
24AQI
24AQI
6th April 2025
15AQI
15AQI
7th April 2025
19AQI
19AQI
8th April 2025
14AQI
14AQI
9th April 2025
19AQI
19AQI
10th April 2025
30AQI
30AQI
11th April 2025
29AQI
29AQI
12th April 2025
30AQI
30AQI
13th April 2025
29AQI
29AQI
14th April 2025
31AQI
31AQI
15th April 2025
20AQI
20AQI
16th April 2025
17AQI
17AQI
17th April 2025
23AQI
23AQI
18th April 2025
36AQI
36AQI
19th April 2025
50AQI
50AQI
20th April 2025
23AQI
23AQI
21st April 2025
35AQI
35AQI
22nd April 2025
20AQI
20AQI
23rd April 2025
22AQI
22AQI
24th April 2025
30AQI
30AQI
25th April 2025
37AQI
37AQI
26th April 2025
21AQI
21AQI
27th April 2025
14AQI
14AQI
28th April 2025
18AQI
18AQI
29th April 2025
31AQI
31AQI
30th April 2025
17AQI
17AQI
1st May 2025
27AQI
27AQI
2nd May 2025
26AQI
26AQI
3rd May 2025
19AQI
19AQI
4th May 2025
18AQI
18AQI
5th May 2025
21AQI
21AQI
6th May 2025
19AQI
19AQI
7th May 2025
22AQI
22AQI
8th May 2025
28AQI
28AQI
9th May 2025
18AQI
18AQI
10th May 2025
22AQI
22AQI
11th May 2025
32AQI
32AQI
12th May 2025
32AQI
32AQI
13th May 2025
18AQI
18AQI
14th May 2025
17AQI
17AQI
15th May 2025
20AQI
20AQI
16th May 2025
32AQI
32AQI
17th May 2025
18AQI
18AQI
18th May 2025
15AQI
15AQI
19th May 2025
15AQI
15AQI
20th May 2025
17AQI
17AQI
21st May 2025
17AQI
17AQI
22nd May 2025
12AQI
12AQI
23rd May 2025
13AQI
13AQI
24th May 2025
13AQI
13AQI
25th May 2025
15AQI
15AQI
26th May 2025
19AQI
19AQI
27th May 2025
19AQI
19AQI
28th May 2025
12AQI
12AQI
29th May 2025
22AQI
22AQI
30th May 2025
29AQI
29AQI
31st May 2025
34AQI
34AQI
1st June 2025
20AQI
20AQI
2nd June 2025
21AQI
21AQI
3rd June 2025
33AQI
33AQI
4th June 2025
63AQI
63AQI
5th June 2025
68AQI
68AQI
6th June 2025
52AQI
52AQI
7th June 2025
59AQI
59AQI
8th June 2025
55AQI
55AQI
9th June 2025
46AQI
46AQI
10th June 2025
45AQI
45AQI
11th June 2025
54AQI
54AQI
12th June 2025
62AQI
62AQI
13th June 2025
70AQI
70AQI
14th June 2025
52AQI
52AQI
15th June 2025
33AQI
33AQI
16th June 2025
28AQI
28AQI
17th June 2025
29AQI
29AQI
18th June 2025
29AQI
29AQI
19th June 2025
22AQI
22AQI
20th June 2025
25AQI
25AQI
21st June 2025
41AQI
41AQI
22nd June 2025
44AQI
44AQI
23rd June 2025
55AQI
55AQI
24th June 2025
54AQI
54AQI
25th June 2025
52AQI
52AQI
26th June 2025
44AQI
44AQI
27th June 2025
36AQI
36AQI
28th June 2025
35AQI
35AQI
29th June 2025
38AQI
38AQI
30th June 2025
41AQI
41AQI
1st July 2025
33AQI
33AQI
2nd July 2025
34AQI
34AQI
3rd July 2025
42AQI
42AQI
4th July 2025
58AQI
58AQI
5th July 2025
68AQI
68AQI
6th July 2025
58AQI
58AQI
7th July 2025
52AQI
52AQI
8th July 2025
35AQI
35AQI
9th July 2025
54AQI
54AQI
10th July 2025
49AQI
49AQI
11th July 2025
52AQI
52AQI
12th July 2025
49AQI
49AQI
13th July 2025
39AQI
39AQI
14th July 2025
37AQI
37AQI
15th July 2025
44AQI
44AQI
16th July 2025
44AQI
44AQI
17th July 2025
27AQI
27AQI
18th July 2025
25AQI
25AQI
19th July 2025
32AQI
32AQI
20th July 2025
28AQI
28AQI
21st July 2025
40AQI
40AQI
22nd July 2025
54AQI
54AQI
23rd July 2025
55AQI
55AQI
24th July 2025
58AQI
58AQI
25th July 2025
56AQI
56AQI
26th July 2025
53AQI
53AQI
27th July 2025
50AQI
50AQI
28th July 2025
51AQI
51AQI
29th July 2025
53AQI
53AQI
30th July 2025
55AQI
55AQI
31st July 2025
57AQI
57AQI
1st August 2025
65AQI
65AQI
2nd August 2025
33AQI
33AQI
3rd August 2025
39AQI
39AQI
4th August 2025
52AQI
52AQI
5th August 2025
59AQI
59AQI
6th August 2025
70AQI
70AQI
7th August 2025
62AQI
62AQI
8th August 2025
69AQI
69AQI
9th August 2025
65AQI
65AQI
10th August 2025
61AQI
61AQI
11th August 2025
53AQI
53AQI
12th August 2025
45AQI
45AQI
13th August 2025
34AQI
34AQI
14th August 2025
39AQI
39AQI
15th August 2025
50AQI
50AQI
16th August 2025
50AQI
50AQI
17th August 2025
39AQI
39AQI
18th August 2025
20AQI
20AQI
19th August 2025
29AQI
29AQI
20th August 2025
29AQI
29AQI
21st August 2025
21AQI
21AQI
22nd August 2025
22AQI
22AQI
23rd August 2025
35AQI
35AQI
24th August 2025
38AQI
38AQI
25th August 2025
20AQI
20AQI
26th August 2025
17AQI
17AQI
27th August 2025
21AQI
21AQI
28th August 2025
25AQI
25AQI
29th August 2025
22AQI
22AQI
30th August 2025
21AQI
21AQI
31st August 2025
24AQI
24AQI
1st September 2025
25AQI
25AQI
2nd September 2025
26AQI
26AQI
3rd September 2025
29AQI
29AQI
4th September 2025
27AQI
27AQI
5th September 2025
49AQI
49AQI
6th September 2025
43AQI
43AQI
7th September 2025
29AQI
29AQI
8th September 2025
22AQI
22AQI
9th September 2025
25AQI
25AQI
10th September 2025
26AQI
26AQI
11th September 2025
33AQI
33AQI
12th September 2025
35AQI
35AQI
13th September 2025
42AQI
42AQI
14th September 2025
47AQI
47AQI
15th September 2025
42AQI
42AQI
16th September 2025
44AQI
44AQI
17th September 2025
47AQI
47AQI
18th September 2025
45AQI
45AQI
19th September 2025
46AQI
46AQI
20th September 2025
45AQI
45AQI
21st September 2025
34AQI
34AQI
22nd September 2025
39AQI
39AQI
23rd September 2025
29AQI
29AQI
24th September 2025
43AQI
43AQI
25th September 2025
37AQI
37AQI
26th September 2025
38AQI
38AQI
27th September 2025
38AQI
38AQI
28th September 2025
46AQI
46AQI
29th September 2025
35AQI
35AQI
30th September 2025
26AQI
26AQI
1st October 2025
22AQI
22AQI
2nd October 2025
26AQI
26AQI
3rd October 2025
36AQI
36AQI
4th October 2025
44AQI
44AQI
5th October 2025
42AQI
42AQI
6th October 2025
41AQI
41AQI
7th October 2025
24AQI
24AQI
8th October 2025
22AQI
22AQI
9th October 2025
22AQI
22AQI
10th October 2025
29AQI
29AQI
11th October 2025
27AQI
27AQI
12th October 2025
33AQI
33AQI
13th October 2025
23AQI
23AQI
14th October 2025
26AQI
26AQI
15th October 2025
25AQI
25AQI
16th October 2025
27AQI
27AQI
17th October 2025
24AQI
24AQI
18th October 2025
41AQI
41AQI
19th October 2025
43AQI
43AQI
20th October 2025
25AQI
25AQI
21st October 2025
26AQI
26AQI
22nd October 2025
18AQI
18AQI
23rd October 2025
13AQI
13AQI
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
32AQI
31AQI
29AQI
25AQI
21AQI
44AQI
47AQI
40AQI
36AQI
29AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202533AQI
29
2
28
30
1
30
31
18
12
16
15
22
9
30
23
257
39
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
May21AQI
202432AQI
25
6
28
1
30
1
30
31
25
4
31
27
4
25
3
31
30
31
344
19
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
November26AQI
202337AQI
29
1
27
1
31
29
27
4
4
23
1
2
26
4
1
24
7
30
31
27
2
31
316
42
2
2
Highest AQI recorded in
June77AQI
Lowest AQI recorded in
October24AQI
202236AQI
25
4
19
2
23
8
24
31
28
2
18
2
1
21
8
31
30
30
1
281
27
Highest AQI recorded in
August41AQI
Lowest AQI recorded in
October29AQI
202137AQI
25
5
18
6
13
3
22
1
29
2
26
4
19
11
1
22
9
24
2
31
29
1
30
1
288
45
1
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
October28AQI
202034AQI
11
20
18
30
28
3
29
2
29
1
31
27
2
27
4
250
12
Highest AQI recorded in
July39AQI
Lowest AQI recorded in
October27AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
37AQILeast Polluted Year Recorded
2024(Avg.)
32AQIChartiers's annual 2025 AQI (33) shows an average percentage change of -5.1% (improved AQI) compared to previous years: 2020 (34), 2021 (37), 2022 (36), 2023 (37), 2024 (32).
