Port Arthur, Texas, 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+
November Air Quality Analysis
Port Arthur, Texas, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Nov 2025
57AQILowest AQI recorded on
10th Nov 2025
20AQISame Day Analysis (23rd November ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 42 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 23rd Nov - 24th Nov 2025
Port Arthur, Texas, United States
AQI
Day
Night
.
6 AM23rd Nov 2025
5 PM
5 AM24th Nov 2025
Day time
Avg. Highest Time
3PM23rd Nov
52AQI
Avg. Lowest Time
9AM23rd Nov
19AQI
Night time
Avg. Highest Time
6PM23rd Nov
45AQI
Avg. Lowest Time
3AM24th Nov
19AQI
In the last 24 hours,
Port Arthur's AQI reached its highest point of 52 at 3 PM during the Day, while the lowest point, 19, was recorded at 3 AM during the Night between 23rd Nov and 24th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Port Arthur, Texas, United States
OctNov
25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 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
25th Oct 2025476 AMAQI
25th Oct 2025487 AMAQI
25th Oct 2025338 AMAQI
25th Oct 2025299 AMAQI
25th Oct 20255210 AMAQI
25th Oct 20255111 AMAQI
25th Oct 20254012 PMAQI
25th Oct 2025221 PMAQI
25th Oct 2025262 PMAQI
25th Oct 2025373 PMAQI
25th Oct 2025424 PMAQI
25th Oct 2025445 PMAQI
25th Oct 2025346 PMAQI
25th Oct 2025227 PMAQI
25th Oct 2025218 PMAQI
25th Oct 2025199 PMAQI
25th Oct 20252210 PMAQI
25th Oct 20252411 PMAQI
26th Oct 20253212 AMAQI
26th Oct 2025371 AMAQI
26th Oct 2025422 AMAQI
26th Oct 2025433 AMAQI
26th Oct 2025324 AMAQI
26th Oct 2025225 AMAQI
24°C20/30°C
26th Oct 2025226 AMAQI
26th Oct 2025197 AMAQI
26th Oct 2025118 AMAQI
26th Oct 2025269 AMAQI
26th Oct 20253410 AMAQI
26th Oct 20252311 AMAQI
26th Oct 20252812 PMAQI
26th Oct 2025231 PMAQI
26th Oct 2025202 PMAQI
26th Oct 2025303 PMAQI
26th Oct 2025364 PMAQI
26th Oct 2025325 PMAQI
26th Oct 2025316 PMAQI
26th Oct 2025237 PMAQI
26th Oct 2025368 PMAQI
26th Oct 2025359 PMAQI
26th Oct 20253410 PMAQI
26th Oct 20253911 PMAQI
27th Oct 20253812 AMAQI
27th Oct 2025311 AMAQI
27th Oct 2025332 AMAQI
27th Oct 2025333 AMAQI
27th Oct 2025294 AMAQI
27th Oct 2025335 AMAQI
21°C17/27°C
27th Oct 2025486 AMAQI
27th Oct 2025417 AMAQI
27th Oct 2025408 AMAQI
27th Oct 2025399 AMAQI
27th Oct 20253510 AMAQI
27th Oct 20255211 AMAQI
27th Oct 20255112 PMAQI
27th Oct 2025461 PMAQI
27th Oct 2025462 PMAQI
27th Oct 2025433 PMAQI
27th Oct 2025394 PMAQI
27th Oct 2025465 PMAQI
27th Oct 2025396 PMAQI
27th Oct 2025337 PMAQI
27th Oct 2025428 PMAQI
27th Oct 2025539 PMAQI
27th Oct 20255110 PMAQI
27th Oct 20255411 PMAQI
28th Oct 20254112 AMAQI
28th Oct 2025321 AMAQI
28th Oct 2025492 AMAQI
28th Oct 2025503 AMAQI
28th Oct 2025474 AMAQI
28th Oct 2025405 AMAQI
22°C15/31°C
28th Oct 2025326 AMAQI
28th Oct 2025307 AMAQI
28th Oct 2025348 AMAQI
28th Oct 2025369 AMAQI
28th Oct 20255110 AMAQI
28th Oct 20254911 AMAQI
28th Oct 20253912 PMAQI
28th Oct 2025391 PMAQI
28th Oct 2025442 PMAQI
28th Oct 2025463 PMAQI
28th Oct 2025394 PMAQI
28th Oct 2025345 PMAQI
28th Oct 2025286 PMAQI
28th Oct 2025287 PMAQI
28th Oct 2025338 PMAQI
28th Oct 2025349 PMAQI
28th Oct 20252510 PMAQI
28th Oct 20252011 PMAQI
29th Oct 20252212 AMAQI
29th Oct 2025301 AMAQI
29th Oct 2025322 AMAQI
29th Oct 2025333 AMAQI
29th Oct 2025314 AMAQI
29th Oct 2025285 AMAQI
24°C18/32°C
29th Oct 2025216 AMAQI
29th Oct 2025127 AMAQI
29th Oct 2025138 AMAQI
29th Oct 2025149 AMAQI
29th Oct 20251810 AMAQI
29th Oct 20252411 AMAQI
29th Oct 20253612 PMAQI
29th Oct 2025341 PMAQI
29th Oct 2025232 PMAQI
29th Oct 2025133 PMAQI
29th Oct 2025194 PMAQI
29th Oct 2025245 PMAQI
29th Oct 2025186 PMAQI
29th Oct 2025207 PMAQI
29th Oct 2025248 PMAQI
29th Oct 2025149 PMAQI
29th Oct 20251710 PMAQI
29th Oct 20251711 PMAQI
30th Oct 20251712 AMAQI
30th Oct 2025171 AMAQI
30th Oct 2025182 AMAQI
30th Oct 2025173 AMAQI
30th Oct 2025214 AMAQI
30th Oct 2025365 AMAQI
17°C13/22°C
30th Oct 2025526 AMAQI
30th Oct 2025417 AMAQI
30th Oct 2025308 AMAQI
30th Oct 2025369 AMAQI
30th Oct 20253610 AMAQI
30th Oct 20253211 AMAQI
30th Oct 20252812 PMAQI
30th Oct 2025411 PMAQI
30th Oct 2025412 PMAQI
30th Oct 2025363 PMAQI
30th Oct 2025254 PMAQI
30th Oct 2025225 PMAQI
30th Oct 2025206 PMAQI
30th Oct 2025177 PMAQI
30th Oct 2025368 PMAQI
30th Oct 2025309 PMAQI
30th Oct 20252510 PMAQI
30th Oct 20253111 PMAQI
31st Oct 20254212 AMAQI
31st Oct 2025561 AMAQI
31st Oct 2025632 AMAQI
31st Oct 2025643 AMAQI
31st Oct 2025554 AMAQI
31st Oct 2025485 AMAQI
13°C9/20°C
31st Oct 2025506 AMAQI
31st Oct 2025507 AMAQI
31st Oct 2025468 AMAQI
31st Oct 2025479 AMAQI
31st Oct 20253910 AMAQI
31st Oct 20253511 AMAQI
31st Oct 20254912 PMAQI
31st Oct 2025511 PMAQI
31st Oct 2025572 PMAQI
31st Oct 2025563 PMAQI
31st Oct 2025534 PMAQI
31st Oct 2025485 PMAQI
31st Oct 2025446 PMAQI
31st Oct 2025347 PMAQI
31st Oct 2025268 PMAQI
31st Oct 2025369 PMAQI
31st Oct 20253810 PMAQI
31st Oct 20252611 PMAQI
1st Nov 20252812 AMAQI
1st Nov 2025341 AMAQI
1st Nov 2025232 AMAQI
1st Nov 2025253 AMAQI
1st Nov 2025314 AMAQI
1st Nov 2025465 AMAQI
16°C9/23°C
1st Nov 2025536 AMAQI
1st Nov 2025467 AMAQI
1st Nov 2025418 AMAQI
1st Nov 2025499 AMAQI
1st Nov 20254710 AMAQI
1st Nov 20253711 AMAQI
1st Nov 20254712 PMAQI
1st Nov 2025571 PMAQI
1st Nov 2025582 PMAQI
1st Nov 2025483 PMAQI
1st Nov 2025394 PMAQI
1st Nov 2025635 PMAQI
1st Nov 2025556 PMAQI
1st Nov 2025407 PMAQI
1st Nov 2025488 PMAQI
1st Nov 2025589 PMAQI
1st Nov 20256410 PMAQI
1st Nov 20257011 PMAQI
2nd Nov 20255912 AMAQI
2nd Nov 2025511 AMAQI
2nd Nov 2025542 AMAQI
2nd Nov 2025573 AMAQI
2nd Nov 2025634 AMAQI
2nd Nov 2025655 AMAQI
16°C10/23°C
2nd Nov 2025626 AMAQI
2nd Nov 2025597 AMAQI
2nd Nov 2025628 AMAQI
2nd Nov 2025679 AMAQI
2nd Nov 20256610 AMAQI
2nd Nov 20256611 AMAQI
2nd Nov 20256612 PMAQI
2nd Nov 2025601 PMAQI
2nd Nov 2025562 PMAQI
2nd Nov 2025613 PMAQI
2nd Nov 2025594 PMAQI
2nd Nov 2025545 PMAQI
2nd Nov 2025496 PMAQI
2nd Nov 2025367 PMAQI
2nd Nov 2025358 PMAQI
2nd Nov 2025499 PMAQI
2nd Nov 20255110 PMAQI
2nd Nov 20255111 PMAQI
3rd Nov 20254512 AMAQI
3rd Nov 2025441 AMAQI
3rd Nov 2025442 AMAQI
3rd Nov 2025463 AMAQI
3rd Nov 2025514 AMAQI
3rd Nov 2025595 AMAQI
16°C9/25°C
3rd Nov 2025586 AMAQI
3rd Nov 2025497 AMAQI
3rd Nov 2025348 AMAQI
3rd Nov 2025389 AMAQI
3rd Nov 20252810 AMAQI
3rd Nov 20252211 AMAQI
3rd Nov 20252212 PMAQI
3rd Nov 2025321 PMAQI
3rd Nov 2025382 PMAQI
3rd Nov 2025303 PMAQI
3rd Nov 2025364 PMAQI
3rd Nov 2025285 PMAQI
3rd Nov 2025286 PMAQI
3rd Nov 2025307 PMAQI
3rd Nov 2025368 PMAQI
3rd Nov 2025399 PMAQI
3rd Nov 20253010 PMAQI
3rd Nov 20252811 PMAQI
4th Nov 20254212 AMAQI
4th Nov 2025691 AMAQI
4th Nov 2025552 AMAQI
4th Nov 2025573 AMAQI
4th Nov 2025564 AMAQI
4th Nov 2025575 AMAQI
15°C8/26°C
4th Nov 2025576 AMAQI
4th Nov 2025597 AMAQI
4th Nov 2025648 AMAQI
4th Nov 2025799 AMAQI
4th Nov 20258210 AMAQI
4th Nov 20257511 AMAQI
4th Nov 20255912 PMAQI
4th Nov 2025491 PMAQI
4th Nov 2025742 PMAQI
4th Nov 20251103 PMAQI
4th Nov 20251004 PMAQI
4th Nov 2025805 PMAQI
4th Nov 2025386 PMAQI
4th Nov 2025287 PMAQI
4th Nov 2025308 PMAQI
4th Nov 2025449 PMAQI
4th Nov 20255610 PMAQI
4th Nov 20255711 PMAQI
5th Nov 20255812 AMAQI
5th Nov 2025591 AMAQI
5th Nov 2025552 AMAQI
5th Nov 2025533 AMAQI
5th Nov 2025564 AMAQI
5th Nov 2025565 AMAQI
16°C8/27°C
5th Nov 2025536 AMAQI
5th Nov 2025547 AMAQI
5th Nov 2025598 AMAQI
5th Nov 2025599 AMAQI
5th Nov 20254510 AMAQI
5th Nov 20255411 AMAQI
5th Nov 20254512 PMAQI
5th Nov 2025351 PMAQI
5th Nov 2025392 PMAQI
5th Nov 2025333 PMAQI
5th Nov 2025334 PMAQI
5th Nov 2025375 PMAQI
5th Nov 2025476 PMAQI
5th Nov 2025507 PMAQI
5th Nov 2025468 PMAQI
5th Nov 2025409 PMAQI
5th Nov 20253810 PMAQI
5th Nov 20253111 PMAQI
6th Nov 20253312 AMAQI
6th Nov 2025381 AMAQI
6th Nov 2025432 AMAQI
6th Nov 2025433 AMAQI
6th Nov 2025414 AMAQI
6th Nov 2025285 AMAQI
20°C13/29°C
6th Nov 2025406 AMAQI
6th Nov 2025257 AMAQI
6th Nov 2025238 AMAQI
6th Nov 2025269 AMAQI
6th Nov 20252910 AMAQI
6th Nov 20254311 AMAQI
6th Nov 20254012 PMAQI
6th Nov 2025431 PMAQI
6th Nov 2025542 PMAQI
6th Nov 2025533 PMAQI
6th Nov 2025494 PMAQI
6th Nov 2025355 PMAQI
6th Nov 2025226 PMAQI
6th Nov 2025337 PMAQI
6th Nov 2025508 PMAQI
6th Nov 2025449 PMAQI
6th Nov 20254810 PMAQI
6th Nov 20254811 PMAQI
7th Nov 20254112 AMAQI
7th Nov 2025291 AMAQI
7th Nov 2025322 AMAQI
7th Nov 2025313 AMAQI
7th Nov 2025384 AMAQI
7th Nov 2025485 AMAQI
20°C14/29°C
7th Nov 2025476 AMAQI
7th Nov 2025387 AMAQI
7th Nov 2025218 AMAQI
7th Nov 2025289 AMAQI
7th Nov 20254110 AMAQI
7th Nov 20253911 AMAQI
7th Nov 20253612 PMAQI
7th Nov 2025471 PMAQI
7th Nov 2025522 PMAQI
7th Nov 2025523 PMAQI
7th Nov 2025464 PMAQI
7th Nov 2025395 PMAQI
7th Nov 2025226 PMAQI
7th Nov 2025267 PMAQI
7th Nov 2025298 PMAQI
7th Nov 2025249 PMAQI
7th Nov 20252410 PMAQI
7th Nov 20252611 PMAQI
8th Nov 20253212 AMAQI
8th Nov 2025441 AMAQI
8th Nov 2025222 AMAQI
8th Nov 2025233 AMAQI
8th Nov 2025204 AMAQI
8th Nov 2025185 AMAQI
24°C17/32°C
8th Nov 2025196 AMAQI
8th Nov 2025177 AMAQI
8th Nov 2025228 AMAQI
8th Nov 2025219 AMAQI
8th Nov 20252010 AMAQI
8th Nov 20252211 AMAQI
8th Nov 20252412 PMAQI
8th Nov 2025181 PMAQI
8th Nov 2025282 PMAQI
8th Nov 2025423 PMAQI
8th Nov 2025454 PMAQI
8th Nov 2025535 PMAQI
8th Nov 2025536 PMAQI
8th Nov 2025537 PMAQI
8th Nov 2025478 PMAQI
8th Nov 2025309 PMAQI
8th Nov 20253310 PMAQI
8th Nov 20255311 PMAQI
9th Nov 20254712 AMAQI
9th Nov 2025271 AMAQI
9th Nov 2025202 AMAQI
9th Nov 2025203 AMAQI
9th Nov 2025194 AMAQI
9th Nov 2025185 AMAQI
23°C17/31°C
9th Nov 2025196 AMAQI
9th Nov 2025237 AMAQI
9th Nov 2025368 AMAQI
9th Nov 2025519 AMAQI
9th Nov 20254910 AMAQI
9th Nov 20254311 AMAQI
9th Nov 20254112 PMAQI
9th Nov 2025361 PMAQI
9th Nov 2025262 PMAQI
9th Nov 2025223 PMAQI
9th Nov 2025254 PMAQI
9th Nov 2025235 PMAQI
9th Nov 2025266 PMAQI
9th Nov 2025227 PMAQI
9th Nov 2025168 PMAQI
9th Nov 2025239 PMAQI
9th Nov 20251410 PMAQI
9th Nov 20251311 PMAQI
10th Nov 20251112 AMAQI
10th Nov 2025121 AMAQI
10th Nov 2025172 AMAQI
10th Nov 2025173 AMAQI
10th Nov 2025174 AMAQI
10th Nov 2025175 AMAQI
20°C13/26°C
10th Nov 2025186 AMAQI
10th Nov 2025237 AMAQI
10th Nov 2025258 AMAQI
10th Nov 2025219 AMAQI
10th Nov 20252410 AMAQI
10th Nov 20252411 AMAQI
10th Nov 20253012 PMAQI
10th Nov 2025361 PMAQI
10th Nov 2025342 PMAQI
10th Nov 2025203 PMAQI
10th Nov 2025184 PMAQI
10th Nov 2025155 PMAQI
10th Nov 2025146 PMAQI
10th Nov 2025177 PMAQI
10th Nov 2025198 PMAQI
10th Nov 2025229 PMAQI
10th Nov 20252210 PMAQI
10th Nov 20252411 PMAQI
11th Nov 20252712 AMAQI
11th Nov 2025281 AMAQI
11th Nov 2025282 AMAQI
11th Nov 2025283 AMAQI
11th Nov 2025394 AMAQI
11th Nov 2025465 AMAQI
11°C5/18°C
11th Nov 2025416 AMAQI
11th Nov 2025437 AMAQI
11th Nov 2025338 AMAQI
11th Nov 2025349 AMAQI
11th Nov 20252710 AMAQI
11th Nov 20252311 AMAQI
11th Nov 20252312 PMAQI
11th Nov 2025251 PMAQI
11th Nov 2025362 PMAQI
11th Nov 2025413 PMAQI
11th Nov 2025424 PMAQI
11th Nov 2025325 PMAQI
11th Nov 2025176 PMAQI
11th Nov 2025167 PMAQI
11th Nov 2025178 PMAQI
11th Nov 2025239 PMAQI
11th Nov 20252010 PMAQI
11th Nov 20252211 PMAQI
12th Nov 20252212 AMAQI
12th Nov 2025201 AMAQI
12th Nov 2025172 AMAQI
12th Nov 2025173 AMAQI
12th Nov 2025194 AMAQI
12th Nov 2025245 AMAQI
12°C3/22°C
12th Nov 2025266 AMAQI
12th Nov 2025227 AMAQI
12th Nov 2025168 AMAQI
12th Nov 2025199 AMAQI
12th Nov 20252110 AMAQI
12th Nov 20252211 AMAQI
12th Nov 20252212 PMAQI
12th Nov 2025241 PMAQI
12th Nov 2025382 PMAQI
12th Nov 2025403 PMAQI
12th Nov 2025264 PMAQI
12th Nov 2025325 PMAQI
12th Nov 2025336 PMAQI
12th Nov 2025317 PMAQI
12th Nov 2025268 PMAQI
12th Nov 2025309 PMAQI
12th Nov 20252510 PMAQI
12th Nov 20252611 PMAQI
13th Nov 20252512 AMAQI
13th Nov 2025241 AMAQI
13th Nov 2025252 AMAQI
13th Nov 2025243 AMAQI
13th Nov 2025224 AMAQI
13th Nov 2025205 AMAQI
19°C13/29°C
13th Nov 2025206 AMAQI
13th Nov 2025207 AMAQI
13th Nov 2025268 AMAQI
13th Nov 2025289 AMAQI
13th Nov 20252610 AMAQI
13th Nov 20252411 AMAQI
13th Nov 20251812 PMAQI
13th Nov 2025201 PMAQI
13th Nov 2025262 PMAQI
13th Nov 2025303 PMAQI
13th Nov 2025244 PMAQI
13th Nov 2025225 PMAQI
13th Nov 2025286 PMAQI
13th Nov 2025247 PMAQI
13th Nov 2025188 PMAQI
13th Nov 2025229 PMAQI
13th Nov 20251910 PMAQI
13th Nov 20251711 PMAQI
14th Nov 20251712 AMAQI
14th Nov 2025201 AMAQI
14th Nov 2025222 AMAQI
14th Nov 2025253 AMAQI
14th Nov 2025244 AMAQI
14th Nov 2025195 AMAQI
21°C15/28°C
14th Nov 2025176 AMAQI
14th Nov 2025157 AMAQI
14th Nov 2025208 AMAQI
14th Nov 2025259 AMAQI
14th Nov 20252110 AMAQI
14th Nov 20252011 AMAQI
14th Nov 20252012 PMAQI
14th Nov 2025281 PMAQI
14th Nov 2025262 PMAQI
14th Nov 2025313 PMAQI
14th Nov 2025194 PMAQI
14th Nov 2025185 PMAQI
14th Nov 2025156 PMAQI
14th Nov 2025157 PMAQI
14th Nov 2025208 PMAQI
14th Nov 2025229 PMAQI
14th Nov 20252310 PMAQI
14th Nov 20252611 PMAQI
15th Nov 20252612 AMAQI
15th Nov 2025231 AMAQI
15th Nov 2025202 AMAQI
15th Nov 2025213 AMAQI
15th Nov 2025234 AMAQI
15th Nov 2025275 AMAQI
21°C16/28°C
15th Nov 2025306 AMAQI
15th Nov 2025277 AMAQI
15th Nov 2025258 AMAQI
15th Nov 2025279 AMAQI
15th Nov 20252410 AMAQI
15th Nov 20252311 AMAQI
15th Nov 20252212 PMAQI
15th Nov 2025221 PMAQI
15th Nov 2025282 PMAQI
15th Nov 2025363 PMAQI
15th Nov 2025344 PMAQI
15th Nov 2025285 PMAQI
15th Nov 2025266 PMAQI
15th Nov 2025237 PMAQI
15th Nov 2025258 PMAQI
15th Nov 2025259 PMAQI
15th Nov 20252110 PMAQI
15th Nov 20252011 PMAQI
16th Nov 20251912 AMAQI
16th Nov 2025161 AMAQI
16th Nov 2025132 AMAQI
16th Nov 2025163 AMAQI
16th Nov 2025204 AMAQI
16th Nov 2025215 AMAQI
22°C15/31°C
16th Nov 2025246 AMAQI
16th Nov 2025207 AMAQI
16th Nov 2025158 AMAQI
16th Nov 2025149 AMAQI
16th Nov 20251410 AMAQI
16th Nov 20251311 AMAQI
16th Nov 20252112 PMAQI
16th Nov 2025321 PMAQI
16th Nov 2025252 PMAQI
16th Nov 2025243 PMAQI
16th Nov 2025224 PMAQI
16th Nov 2025245 PMAQI
16th Nov 2025246 PMAQI
16th Nov 2025297 PMAQI
16th Nov 2025438 PMAQI
16th Nov 2025419 PMAQI
16th Nov 20251610 PMAQI
16th Nov 20251711 PMAQI
17th Nov 20252412 AMAQI
17th Nov 2025211 AMAQI
17th Nov 2025152 AMAQI
17th Nov 2025143 AMAQI
17th Nov 2025184 AMAQI
17th Nov 2025255 AMAQI
22°C15/32°C
17th Nov 2025256 AMAQI
17th Nov 2025307 AMAQI
17th Nov 2025208 AMAQI
17th Nov 2025179 AMAQI
17th Nov 20251610 AMAQI
17th Nov 20251611 AMAQI
17th Nov 20251912 PMAQI
17th Nov 2025251 PMAQI
17th Nov 2025242 PMAQI
17th Nov 2025173 PMAQI
17th Nov 2025174 PMAQI
17th Nov 2025175 PMAQI
17th Nov 2025176 PMAQI
17th Nov 2025227 PMAQI
17th Nov 2025308 PMAQI
17th Nov 2025309 PMAQI
17th Nov 20253410 PMAQI
17th Nov 20253611 PMAQI
18th Nov 20253012 AMAQI
18th Nov 2025221 AMAQI
18th Nov 2025212 AMAQI
18th Nov 2025223 AMAQI
18th Nov 2025204 AMAQI
18th Nov 2025195 AMAQI
23°C19/28°C
18th Nov 2025196 AMAQI
18th Nov 2025207 AMAQI
18th Nov 2025208 AMAQI
18th Nov 2025259 AMAQI
18th Nov 20253110 AMAQI
18th Nov 20252611 AMAQI
18th Nov 20252612 PMAQI
18th Nov 2025291 PMAQI
18th Nov 2025402 PMAQI
18th Nov 2025363 PMAQI
18th Nov 2025244 PMAQI
18th Nov 2025265 PMAQI
18th Nov 2025226 PMAQI
18th Nov 2025227 PMAQI
18th Nov 2025248 PMAQI
18th Nov 2025309 PMAQI
18th Nov 20252210 PMAQI
18th Nov 20252211 PMAQI
19th Nov 20252312 AMAQI
19th Nov 2025271 AMAQI
19th Nov 2025292 AMAQI
19th Nov 2025283 AMAQI
19th Nov 2025254 AMAQI
19th Nov 2025205 AMAQI
23°C18/31°C
19th Nov 2025206 AMAQI
19th Nov 2025247 AMAQI
19th Nov 2025258 AMAQI
19th Nov 2025289 AMAQI
19th Nov 20252910 AMAQI
19th Nov 20252511 AMAQI
19th Nov 20252312 PMAQI
19th Nov 2025171 PMAQI
19th Nov 2025172 PMAQI
19th Nov 2025183 PMAQI
19th Nov 2025194 PMAQI
19th Nov 2025185 PMAQI
19th Nov 2025186 PMAQI
19th Nov 2025217 PMAQI
19th Nov 2025298 PMAQI
19th Nov 2025269 PMAQI
19th Nov 20252810 PMAQI
19th Nov 20252711 PMAQI
20th Nov 20252412 AMAQI
20th Nov 2025221 AMAQI
20th Nov 2025192 AMAQI
20th Nov 2025193 AMAQI
20th Nov 2025194 AMAQI
20th Nov 2025275 AMAQI
24°C20/30°C
20th Nov 2025276 AMAQI
20th Nov 2025257 AMAQI
20th Nov 2025198 AMAQI
20th Nov 2025229 AMAQI
20th Nov 20252510 AMAQI
20th Nov 20252711 AMAQI
20th Nov 20252112 PMAQI
20th Nov 2025411 PMAQI
20th Nov 2025412 PMAQI
20th Nov 2025313 PMAQI
20th Nov 2025404 PMAQI
20th Nov 2025395 PMAQI
20th Nov 2025336 PMAQI
20th Nov 2025327 PMAQI
20th Nov 2025438 PMAQI
20th Nov 2025449 PMAQI
20th Nov 20254110 PMAQI
20th Nov 20253911 PMAQI
21st Nov 20253612 AMAQI
21st Nov 2025321 AMAQI
21st Nov 2025372 AMAQI
21st Nov 2025373 AMAQI
21st Nov 2025304 AMAQI
21st Nov 2025265 AMAQI
23°C18/28°C
21st Nov 2025336 AMAQI
21st Nov 2025317 AMAQI
21st Nov 2025298 AMAQI
21st Nov 2025299 AMAQI
21st Nov 20252910 AMAQI
21st Nov 20253211 AMAQI
21st Nov 20253412 PMAQI
21st Nov 2025291 PMAQI
21st Nov 2025392 PMAQI
21st Nov 2025533 PMAQI
21st Nov 2025534 PMAQI
21st Nov 2025535 PMAQI
21st Nov 2025526 PMAQI
21st Nov 2025477 PMAQI
21st Nov 2025408 PMAQI
21st Nov 2025369 PMAQI
21st Nov 20252910 PMAQI
21st Nov 20253311 PMAQI
22nd Nov 20253112 AMAQI
22nd Nov 2025321 AMAQI
22nd Nov 2025352 AMAQI
22nd Nov 2025343 AMAQI
22nd Nov 2025284 AMAQI
22nd Nov 2025195 AMAQI
24°C21/30°C
22nd Nov 2025196 AMAQI
22nd Nov 2025287 AMAQI
22nd Nov 2025418 AMAQI
22nd Nov 2025439 AMAQI
22nd Nov 20253510 AMAQI
22nd Nov 20251811 AMAQI
22nd Nov 20252112 PMAQI
22nd Nov 2025221 PMAQI
22nd Nov 2025322 PMAQI
22nd Nov 2025453 PMAQI
22nd Nov 2025464 PMAQI
22nd Nov 2025425 PMAQI
22nd Nov 2025466 PMAQI
22nd Nov 2025517 PMAQI
22nd Nov 2025448 PMAQI
22nd Nov 2025379 PMAQI
22nd Nov 20254510 PMAQI
22nd Nov 20254611 PMAQI
23rd Nov 20255212 AMAQI
23rd Nov 2025561 AMAQI
23rd Nov 2025612 AMAQI
23rd Nov 2025603 AMAQI
23rd Nov 2025514 AMAQI
23rd Nov 2025395 AMAQI
24°C20/30°C
23rd Nov 2025406 AMAQI
23rd Nov 2025347 AMAQI
23rd Nov 2025228 AMAQI
23rd Nov 2025199 AMAQI
23rd Nov 20252310 AMAQI
23rd Nov 20252811 AMAQI
23rd Nov 20252812 PMAQI
23rd Nov 2025341 PMAQI
23rd Nov 2025462 PMAQI
23rd Nov 2025523 PMAQI
23rd Nov 2025524 PMAQI
23rd Nov 2025505 PMAQI
23rd Nov 2025456 PMAQI
23rd Nov 2025327 PMAQI
23rd Nov 2025278 PMAQI
23rd Nov 2025369 PMAQI
23rd Nov 20254210 PMAQI
23rd Nov 20254011 PMAQI
24th Nov 20253912 AMAQI
24th Nov 2025411 AMAQI
24th Nov 2025212 AMAQI
24th Nov 2025193 AMAQI
24th Nov 2025224 AMAQI
24th Nov 2025255 AMAQI
19°C12/28°C
24th Nov 2025286 AMAQI
6 AM24th Nov 2025367 AMAQI
24th Nov 2025548 AMAQI
24th Nov 2025589 AMAQI
24th Nov 20255510 AMAQI
24th Nov 20255711 AMAQI
11 AM24th Nov 20256112 PMAQI
24th Nov 2025581 PMAQI
24th Nov 2025552 PMAQI
5 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
3 PM
40AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
8 AM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 3 PM (Avg. 40), while the lowest AQI was between 8 AM to 8 AM (Avg. 31).
Night time
Avg. Highest Time
12 AM - 3 AM
33AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM
29AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 33), while the lowest AQI was between 7 PM to 7 PM (Avg. 29).
2025 Days Vs Air Quality
Port Arthur, Texas, United States
2025
71%
173
29%
69
Total number of days with different AQI categories in last 328 days in 2025 (37 days remaining)
Good
173 DaysModerate
69 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2025, 71% of 328 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
Port Arthur, Texas, 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
2nd January 2025
3rd January 2025
4th January 2025
5th January 2025
6th January 2025
7th January 2025
8th January 2025
9th January 2025
10th January 2025
11th January 2025
12th January 2025
13th January 2025
14th January 2025
15th January 2025
16th January 2025
17th January 2025
18th January 2025
19th January 2025
20th January 2025
21st January 2025
22nd January 2025
23rd January 2025
24th January 2025
25th January 2025
26th January 2025
27th January 2025
28th January 2025
29th January 2025
30th January 2025
31st January 2025
1st February 2025
2nd February 2025
3rd February 2025
4th February 2025
5th February 2025
6th February 2025
7th February 2025
8th February 2025
9th February 2025
10th February 2025
11th February 2025
12th February 2025
13th February 2025
14th February 2025
15th February 2025
16th February 2025
17th February 2025
18th February 2025
19th February 2025
20th February 2025
21st February 2025
22nd February 2025
23rd February 2025
24th February 2025
25th February 2025
26th February 2025
27th February 2025
28th February 2025
1st March 2025
2nd March 2025
3rd March 2025
4th March 2025
5th March 2025
6th March 2025
7th March 2025
8th March 2025
9th March 2025
10th March 2025
11th March 2025
12th March 2025
13th March 2025
14th March 2025
15th March 2025
16th March 2025
17th March 2025
18th March 2025
19th March 2025
20th March 2025
21st March 2025
22nd March 2025
23rd March 2025
24th March 2025
25th March 2025
26th March 2025
27th March 2025
35AQI
35AQI
28th March 2025
41AQI
41AQI
29th March 2025
36AQI
36AQI
30th March 2025
52AQI
52AQI
31st March 2025
56AQI
56AQI
1st April 2025
60AQI
60AQI
2nd April 2025
51AQI
51AQI
3rd April 2025
55AQI
55AQI
4th April 2025
54AQI
54AQI
5th April 2025
54AQI
54AQI
6th April 2025
24AQI
24AQI
7th April 2025
24AQI
24AQI
8th April 2025
41AQI
41AQI
9th April 2025
38AQI
38AQI
10th April 2025
29AQI
29AQI
11th April 2025
37AQI
37AQI
12th April 2025
46AQI
46AQI
13th April 2025
36AQI
36AQI
14th April 2025
35AQI
35AQI
15th April 2025
39AQI
39AQI
16th April 2025
45AQI
45AQI
17th April 2025
37AQI
37AQI
18th April 2025
41AQI
41AQI
19th April 2025
55AQI
55AQI
20th April 2025
55AQI
55AQI
21st April 2025
50AQI
50AQI
22nd April 2025
47AQI
47AQI
23rd April 2025
49AQI
49AQI
24th April 2025
54AQI
54AQI
25th April 2025
54AQI
54AQI
26th April 2025
44AQI
44AQI
27th April 2025
35AQI
35AQI
28th April 2025
32AQI
32AQI
29th April 2025
29AQI
29AQI
30th April 2025
44AQI
44AQI
1st May 2025
49AQI
49AQI
2nd May 2025
40AQI
40AQI
3rd May 2025
27AQI
27AQI
4th May 2025
27AQI
27AQI
5th May 2025
30AQI
30AQI
6th May 2025
41AQI
41AQI
7th May 2025
33AQI
33AQI
8th May 2025
33AQI
33AQI
9th May 2025
28AQI
28AQI
10th May 2025
31AQI
31AQI
11th May 2025
30AQI
30AQI
12th May 2025
26AQI
26AQI
13th May 2025
35AQI
35AQI
14th May 2025
41AQI
41AQI
15th May 2025
48AQI
48AQI
16th May 2025
50AQI
50AQI
17th May 2025
51AQI
51AQI
18th May 2025
44AQI
44AQI
19th May 2025
49AQI
49AQI
20th May 2025
53AQI
53AQI
21st May 2025
43AQI
43AQI
22nd May 2025
42AQI
42AQI
23rd May 2025
36AQI
36AQI
24th May 2025
42AQI
42AQI
25th May 2025
54AQI
54AQI
26th May 2025
47AQI
47AQI
27th May 2025
30AQI
30AQI
28th May 2025
29AQI
29AQI
29th May 2025
28AQI
28AQI
30th May 2025
33AQI
33AQI
31st May 2025
41AQI
41AQI
1st June 2025
49AQI
49AQI
2nd June 2025
48AQI
48AQI
3rd June 2025
38AQI
38AQI
4th June 2025
36AQI
36AQI
5th June 2025
44AQI
44AQI
6th June 2025
52AQI
52AQI
7th June 2025
60AQI
60AQI
8th June 2025
48AQI
48AQI
9th June 2025
50AQI
50AQI
10th June 2025
51AQI
51AQI
11th June 2025
37AQI
37AQI
12th June 2025
27AQI
27AQI
13th June 2025
33AQI
33AQI
14th June 2025
47AQI
47AQI
15th June 2025
49AQI
49AQI
16th June 2025
34AQI
34AQI
17th June 2025
45AQI
45AQI
18th June 2025
55AQI
55AQI
19th June 2025
52AQI
52AQI
20th June 2025
53AQI
53AQI
21st June 2025
56AQI
56AQI
22nd June 2025
57AQI
57AQI
23rd June 2025
37AQI
37AQI
24th June 2025
29AQI
29AQI
25th June 2025
27AQI
27AQI
26th June 2025
24AQI
24AQI
27th June 2025
24AQI
24AQI
28th June 2025
32AQI
32AQI
29th June 2025
35AQI
35AQI
30th June 2025
54AQI
54AQI
1st July 2025
59AQI
59AQI
2nd July 2025
64AQI
64AQI
3rd July 2025
57AQI
57AQI
4th July 2025
51AQI
51AQI
5th July 2025
61AQI
61AQI
6th July 2025
61AQI
61AQI
7th July 2025
58AQI
58AQI
8th July 2025
49AQI
49AQI
9th July 2025
47AQI
47AQI
10th July 2025
55AQI
55AQI
11th July 2025
55AQI
55AQI
12th July 2025
52AQI
52AQI
13th July 2025
38AQI
38AQI
14th July 2025
34AQI
34AQI
15th July 2025
46AQI
46AQI
16th July 2025
54AQI
54AQI
17th July 2025
54AQI
54AQI
18th July 2025
51AQI
51AQI
19th July 2025
42AQI
42AQI
20th July 2025
43AQI
43AQI
21st July 2025
39AQI
39AQI
22nd July 2025
35AQI
35AQI
23rd July 2025
33AQI
33AQI
24th July 2025
34AQI
34AQI
25th July 2025
39AQI
39AQI
26th July 2025
40AQI
40AQI
27th July 2025
43AQI
43AQI
28th July 2025
52AQI
52AQI
29th July 2025
57AQI
57AQI
30th July 2025
62AQI
62AQI
31st July 2025
50AQI
50AQI
1st August 2025
51AQI
51AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
48AQI
48AQI
4th August 2025
53AQI
53AQI
5th August 2025
55AQI
55AQI
6th August 2025
40AQI
40AQI
7th August 2025
32AQI
32AQI
8th August 2025
31AQI
31AQI
9th August 2025
33AQI
33AQI
10th August 2025
28AQI
28AQI
11th August 2025
36AQI
36AQI
12th August 2025
40AQI
40AQI
13th August 2025
35AQI
35AQI
14th August 2025
36AQI
36AQI
15th August 2025
39AQI
39AQI
16th August 2025
38AQI
38AQI
17th August 2025
47AQI
47AQI
18th August 2025
44AQI
44AQI
19th August 2025
48AQI
48AQI
20th August 2025
57AQI
57AQI
21st August 2025
56AQI
56AQI
22nd August 2025
50AQI
50AQI
23rd August 2025
41AQI
41AQI
24th August 2025
49AQI
49AQI
25th August 2025
54AQI
54AQI
26th August 2025
55AQI
55AQI
27th August 2025
46AQI
46AQI
28th August 2025
44AQI
44AQI
29th August 2025
51AQI
51AQI
30th August 2025
42AQI
42AQI
31st August 2025
36AQI
36AQI
1st September 2025
50AQI
50AQI
2nd September 2025
45AQI
45AQI
3rd September 2025
47AQI
47AQI
4th September 2025
41AQI
41AQI
5th September 2025
43AQI
43AQI
6th September 2025
38AQI
38AQI
7th September 2025
49AQI
49AQI
8th September 2025
47AQI
47AQI
9th September 2025
52AQI
52AQI
10th September 2025
57AQI
57AQI
11th September 2025
44AQI
44AQI
12th September 2025
59AQI
59AQI
13th September 2025
59AQI
59AQI
14th September 2025
60AQI
60AQI
15th September 2025
55AQI
55AQI
16th September 2025
53AQI
53AQI
17th September 2025
57AQI
57AQI
18th September 2025
50AQI
50AQI
19th September 2025
42AQI
42AQI
20th September 2025
28AQI
28AQI
21st September 2025
23AQI
23AQI
22nd September 2025
25AQI
25AQI
23rd September 2025
21AQI
21AQI
24th September 2025
21AQI
21AQI
25th September 2025
28AQI
28AQI
26th September 2025
37AQI
37AQI
27th September 2025
40AQI
40AQI
28th September 2025
38AQI
38AQI
29th September 2025
28AQI
28AQI
30th September 2025
42AQI
42AQI
1st October 2025
59AQI
59AQI
2nd October 2025
59AQI
59AQI
3rd October 2025
54AQI
54AQI
4th October 2025
55AQI
55AQI
5th October 2025
48AQI
48AQI
6th October 2025
40AQI
40AQI
7th October 2025
37AQI
37AQI
8th October 2025
46AQI
46AQI
9th October 2025
54AQI
54AQI
10th October 2025
49AQI
49AQI
11th October 2025
59AQI
59AQI
12th October 2025
70AQI
70AQI
13th October 2025
57AQI
57AQI
14th October 2025
59AQI
59AQI
15th October 2025
60AQI
60AQI
16th October 2025
55AQI
55AQI
17th October 2025
42AQI
42AQI
18th October 2025
38AQI
38AQI
19th October 2025
34AQI
34AQI
20th October 2025
28AQI
28AQI
21st October 2025
43AQI
43AQI
22nd October 2025
53AQI
53AQI
23rd October 2025
45AQI
45AQI
24th October 2025
31AQI
31AQI
25th October 2025
35AQI
35AQI
26th October 2025
31AQI
31AQI
27th October 2025
41AQI
41AQI
28th October 2025
37AQI
37AQI
29th October 2025
23AQI
23AQI
30th October 2025
28AQI
28AQI
31st October 2025
46AQI
46AQI
1st November 2025
46AQI
46AQI
2nd November 2025
55AQI
55AQI
3rd November 2025
38AQI
38AQI
4th November 2025
57AQI
57AQI
5th November 2025
48AQI
48AQI
6th November 2025
39AQI
39AQI
7th November 2025
34AQI
34AQI
8th November 2025
32AQI
32AQI
9th November 2025
27AQI
27AQI
10th November 2025
20AQI
20AQI
11th November 2025
28AQI
28AQI
12th November 2025
24AQI
24AQI
13th November 2025
23AQI
23AQI
14th November 2025
21AQI
21AQI
15th November 2025
25AQI
25AQI
16th November 2025
22AQI
22AQI
17th November 2025
22AQI
22AQI
18th November 2025
24AQI
24AQI
19th November 2025
24AQI
24AQI
20th November 2025
30AQI
30AQI
21st November 2025
36AQI
36AQI
22nd November 2025
35AQI
35AQI
23rd November 2025
42AQI
42AQI
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
44AQI
43AQI
38AQI
43AQI
49AQI
44AQI
43AQI
46AQI
33AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202543AQI
3
2
21
9
28
3
21
9
15
16
23
8
22
8
19
12
21
2
173
69
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
November33AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
43AQILeast Polluted Year Recorded
2025(Avg.)
43AQIPort Arthur's annual 2025 AQI (43) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
