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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

SETRPC 43 Jefferson Co Airport C643, 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+

July Air Quality Analysis

SETRPC 43 Jefferson Co Airport C643, Port Arthur, Texas, United States

2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Jul 2025
64AQI
Lowest AQI recorded on
1st Jul 2026
26AQI

Same Day Analysis (12th July):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 29 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 12th Jul - 13th Jul 2026

SETRPC 43 Jefferson Co Airport C643, Port Arthur, Texas, United States

AQI
Day
Night
.

6 AM12th Jul 2026

8 PM

5 AM13th Jul 2026

Day time
Avg. Highest Time
6AM12th Jul

44AQI

Avg. Lowest Time
6PM12th Jul

28AQI

Night time
Avg. Highest Time
3AM13th Jul

32AQI

Avg. Lowest Time
2AM13th Jul

14AQI

In the last 24 hours,

SETRPC 43 Jefferson Co Airport C643's AQI reached its highest point of 44 at 6 AM during the Day, while the lowest point, 14, was recorded at 2 AM during the Night between 12th Jul and 13th Jul 2026.

Day & Night AQI Trend : Jun - Jul 2026

SETRPC 43 Jefferson Co Airport C643, Port Arthur, Texas, United States

JunJul
14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
14th Jun 2026256 AMAQI
14th Jun 2026247 AMAQI
14th Jun 2026298 AMAQI
14th Jun 2026289 AMAQI
14th Jun 20262810 AMAQI
14th Jun 20263311 AMAQI
14th Jun 20262512 PMAQI
14th Jun 2026221 PMAQI
14th Jun 2026222 PMAQI
14th Jun 2026223 PMAQI
14th Jun 2026204 PMAQI
14th Jun 2026205 PMAQI
14th Jun 2026206 PMAQI
14th Jun 2026217 PMAQI
14th Jun 2026268 PMAQI
14th Jun 2026289 PMAQI
14th Jun 20262410 PMAQI
14th Jun 20262611 PMAQI
15th Jun 20262212 AMAQI
15th Jun 2026221 AMAQI
15th Jun 2026302 AMAQI
15th Jun 2026203 AMAQI
15th Jun 2026204 AMAQI
15th Jun 2026205 AMAQI

30°C26/33°C

15th Jun 2026206 AMAQI
15th Jun 2026207 AMAQI
15th Jun 2026228 AMAQI
15th Jun 2026269 AMAQI
15th Jun 20263010 AMAQI
15th Jun 20263011 AMAQI
15th Jun 20263212 PMAQI
15th Jun 2026271 PMAQI
15th Jun 2026272 PMAQI
15th Jun 2026303 PMAQI
15th Jun 2026284 PMAQI
15th Jun 2026275 PMAQI
15th Jun 2026306 PMAQI
15th Jun 2026307 PMAQI
15th Jun 2026288 PMAQI
15th Jun 2026309 PMAQI
15th Jun 20262810 PMAQI
15th Jun 20262611 PMAQI
16th Jun 20262412 AMAQI
16th Jun 2026261 AMAQI
16th Jun 2026282 AMAQI
16th Jun 2026263 AMAQI
16th Jun 2026254 AMAQI
16th Jun 2026245 AMAQI

28°C25/33°C

16th Jun 2026236 AMAQI
16th Jun 2026247 AMAQI
16th Jun 2026248 AMAQI
16th Jun 2026309 AMAQI
16th Jun 20263010 AMAQI
16th Jun 20263011 AMAQI
16th Jun 20263012 PMAQI
16th Jun 2026301 PMAQI
16th Jun 2026282 PMAQI
16th Jun 2026273 PMAQI
16th Jun 2026294 PMAQI
16th Jun 2026285 PMAQI
16th Jun 2026296 PMAQI
16th Jun 2026277 PMAQI
16th Jun 2026288 PMAQI
16th Jun 2026309 PMAQI
16th Jun 20262910 PMAQI
16th Jun 20262811 PMAQI
17th Jun 20262712 AMAQI
17th Jun 2026281 AMAQI
17th Jun 2026282 AMAQI
17th Jun 2026253 AMAQI
17th Jun 2026244 AMAQI
17th Jun 2026235 AMAQI

27°C25/30°C

17th Jun 2026266 AMAQI
17th Jun 2026267 AMAQI
17th Jun 2026208 AMAQI
17th Jun 2026289 AMAQI
17th Jun 20263010 AMAQI
17th Jun 20263011 AMAQI
17th Jun 20263012 PMAQI
17th Jun 2026301 PMAQI
17th Jun 2026322 PMAQI
17th Jun 2026283 PMAQI
17th Jun 2026304 PMAQI
17th Jun 2026285 PMAQI
17th Jun 2026286 PMAQI
17th Jun 2026317 PMAQI
17th Jun 2026308 PMAQI
17th Jun 2026289 PMAQI
17th Jun 20263010 PMAQI
17th Jun 20262811 PMAQI
18th Jun 20262412 AMAQI
18th Jun 2026281 AMAQI
18th Jun 2026262 AMAQI
18th Jun 2026263 AMAQI
18th Jun 2026244 AMAQI
18th Jun 2026245 AMAQI

27°C25/29°C

18th Jun 2026246 AMAQI
18th Jun 2026247 AMAQI
18th Jun 2026268 AMAQI
18th Jun 2026289 AMAQI
18th Jun 20262610 AMAQI
18th Jun 20262711 AMAQI
18th Jun 20262612 PMAQI
18th Jun 2026261 PMAQI
18th Jun 2026242 PMAQI
18th Jun 2026253 PMAQI
18th Jun 2026264 PMAQI
18th Jun 2026275 PMAQI
18th Jun 2026286 PMAQI
18th Jun 2026287 PMAQI
18th Jun 2026298 PMAQI
18th Jun 2026289 PMAQI
18th Jun 20262710 PMAQI
18th Jun 20262811 PMAQI
19th Jun 20262912 AMAQI
19th Jun 2026261 AMAQI
19th Jun 2026402 AMAQI
19th Jun 2026233 AMAQI
19th Jun 2026234 AMAQI
19th Jun 2026225 AMAQI

30°C27/35°C

19th Jun 2026206 AMAQI
19th Jun 2026207 AMAQI
19th Jun 2026208 AMAQI
19th Jun 2026229 AMAQI
19th Jun 20262610 AMAQI
19th Jun 20262811 AMAQI
19th Jun 20262612 PMAQI
19th Jun 2026261 PMAQI
19th Jun 2026262 PMAQI
19th Jun 2026263 PMAQI
19th Jun 2026254 PMAQI
19th Jun 2026275 PMAQI
19th Jun 2026286 PMAQI
19th Jun 2026277 PMAQI
19th Jun 2026268 PMAQI
19th Jun 2026239 PMAQI
19th Jun 20262710 PMAQI
19th Jun 20262411 PMAQI
20th Jun 20262412 AMAQI
20th Jun 2026261 AMAQI
20th Jun 2026242 AMAQI
20th Jun 2026263 AMAQI
20th Jun 2026244 AMAQI
20th Jun 2026225 AMAQI

30°C26/34°C

20th Jun 2026226 AMAQI
20th Jun 2026237 AMAQI
20th Jun 2026268 AMAQI
20th Jun 2026299 AMAQI
20th Jun 20262810 AMAQI
20th Jun 20262811 AMAQI
20th Jun 20262812 PMAQI
20th Jun 2026281 PMAQI
20th Jun 2026262 PMAQI
20th Jun 2026244 PMAQI
20th Jun 2026245 PMAQI
20th Jun 2026226 PMAQI
20th Jun 2026227 PMAQI
20th Jun 2026208 PMAQI
20th Jun 2026229 PMAQI
20th Jun 20262010 PMAQI
20th Jun 20262011 PMAQI
21st Jun 20262312 AMAQI
21st Jun 2026261 AMAQI
21st Jun 2026142 AMAQI
21st Jun 2026243 AMAQI
21st Jun 2026194 AMAQI
21st Jun 2026195 AMAQI

28°C26/32°C

21st Jun 2026206 AMAQI
21st Jun 2026207 AMAQI
21st Jun 2026218 AMAQI
21st Jun 2026249 AMAQI
21st Jun 20262410 AMAQI
21st Jun 20262411 AMAQI
21st Jun 20262612 PMAQI
21st Jun 2026241 PMAQI
21st Jun 2026222 PMAQI
21st Jun 2026223 PMAQI
21st Jun 2026224 PMAQI
21st Jun 2026225 PMAQI
21st Jun 2026226 PMAQI
21st Jun 2026247 PMAQI
21st Jun 2026208 PMAQI
21st Jun 2026329 PMAQI
21st Jun 20265410 PMAQI
21st Jun 20262011 PMAQI
22nd Jun 20262212 AMAQI
22nd Jun 2026221 AMAQI
22nd Jun 2026202 AMAQI
22nd Jun 2026203 AMAQI
22nd Jun 2026204 AMAQI
22nd Jun 2026195 AMAQI

28°C24/31°C

22nd Jun 2026196 AMAQI
22nd Jun 2026387 AMAQI
22nd Jun 2026348 AMAQI
22nd Jun 2026249 AMAQI
22nd Jun 20262710 AMAQI
22nd Jun 20262711 AMAQI
22nd Jun 20263012 PMAQI
22nd Jun 2026271 PMAQI
22nd Jun 2026252 PMAQI
22nd Jun 2026283 PMAQI
22nd Jun 2026264 PMAQI
22nd Jun 2026285 PMAQI
22nd Jun 2026296 PMAQI
22nd Jun 2026317 PMAQI
22nd Jun 2026288 PMAQI
22nd Jun 2026289 PMAQI
22nd Jun 20262410 PMAQI
22nd Jun 20262611 PMAQI
23rd Jun 20262612 AMAQI
23rd Jun 2026241 AMAQI
23rd Jun 2026262 AMAQI
23rd Jun 2026223 AMAQI
23rd Jun 2026214 AMAQI
23rd Jun 2026225 AMAQI

30°C26/35°C

23rd Jun 2026226 AMAQI
23rd Jun 2026227 AMAQI
23rd Jun 2026398 AMAQI
23rd Jun 2026259 AMAQI
23rd Jun 20262810 AMAQI
23rd Jun 20262811 AMAQI
23rd Jun 20262812 PMAQI
23rd Jun 2026261 PMAQI
23rd Jun 2026422 PMAQI
23rd Jun 2026243 PMAQI
23rd Jun 2026274 PMAQI
23rd Jun 2026245 PMAQI
23rd Jun 2026266 PMAQI
23rd Jun 2026247 PMAQI
23rd Jun 2026388 PMAQI
23rd Jun 2026289 PMAQI
23rd Jun 20262810 PMAQI
23rd Jun 20262411 PMAQI
24th Jun 20262412 AMAQI
24th Jun 2026221 AMAQI
24th Jun 2026262 AMAQI
24th Jun 2026383 AMAQI
24th Jun 2026214 AMAQI
24th Jun 2026205 AMAQI

30°C25/36°C

24th Jun 2026206 AMAQI
24th Jun 2026197 AMAQI
24th Jun 2026388 AMAQI
24th Jun 2026509 AMAQI
24th Jun 20262510 AMAQI
24th Jun 20262611 AMAQI
24th Jun 20262412 PMAQI
24th Jun 2026261 PMAQI
24th Jun 2026242 PMAQI
24th Jun 2026223 PMAQI
24th Jun 2026234 PMAQI
24th Jun 2026235 PMAQI
24th Jun 2026256 PMAQI
24th Jun 2026247 PMAQI
24th Jun 2026288 PMAQI
24th Jun 2026309 PMAQI
24th Jun 20262610 PMAQI
24th Jun 20264611 PMAQI
25th Jun 20263712 AMAQI
25th Jun 2026371 AMAQI
25th Jun 2026422 AMAQI
25th Jun 2026403 AMAQI
25th Jun 2026314 AMAQI
25th Jun 2026245 AMAQI

30°C25/38°C

25th Jun 2026226 AMAQI
25th Jun 2026357 AMAQI
25th Jun 2026258 AMAQI
25th Jun 2026409 AMAQI
25th Jun 20262810 AMAQI
25th Jun 20262711 AMAQI
25th Jun 20262612 PMAQI
25th Jun 2026241 PMAQI
25th Jun 2026272 PMAQI
25th Jun 2026223 PMAQI
25th Jun 2026234 PMAQI
25th Jun 2026225 PMAQI
25th Jun 2026216 PMAQI
25th Jun 2026227 PMAQI
25th Jun 2026348 PMAQI
25th Jun 2026289 PMAQI
25th Jun 20262810 PMAQI
25th Jun 20262611 PMAQI
26th Jun 20263012 AMAQI
26th Jun 2026201 AMAQI
26th Jun 2026242 AMAQI
26th Jun 2026213 AMAQI
26th Jun 2026224 AMAQI
26th Jun 2026225 AMAQI

29°C23/37°C

26th Jun 2026346 AMAQI
26th Jun 2026377 AMAQI
26th Jun 2026328 AMAQI
26th Jun 2026309 AMAQI
26th Jun 20263010 AMAQI
26th Jun 20263011 AMAQI
26th Jun 20264612 PMAQI
26th Jun 2026311 PMAQI
26th Jun 2026402 PMAQI
26th Jun 2026273 PMAQI
26th Jun 2026284 PMAQI
26th Jun 2026275 PMAQI
26th Jun 2026276 PMAQI
26th Jun 2026347 PMAQI
26th Jun 2026288 PMAQI
26th Jun 2026319 PMAQI
26th Jun 20263310 PMAQI
26th Jun 20263211 PMAQI
27th Jun 20262812 AMAQI
27th Jun 2026281 AMAQI
27th Jun 2026262 AMAQI
27th Jun 2026263 AMAQI
27th Jun 2026294 AMAQI
27th Jun 2026305 AMAQI

30°C25/36°C

27th Jun 2026286 AMAQI
27th Jun 2026287 AMAQI
27th Jun 2026288 AMAQI
27th Jun 2026319 AMAQI
27th Jun 20263410 AMAQI
27th Jun 20263711 AMAQI
27th Jun 20263412 PMAQI
27th Jun 2026301 PMAQI
27th Jun 2026322 PMAQI
27th Jun 2026303 PMAQI
27th Jun 2026304 PMAQI
27th Jun 2026275 PMAQI
27th Jun 2026286 PMAQI
27th Jun 2026287 PMAQI
27th Jun 2026268 PMAQI
27th Jun 2026299 PMAQI
27th Jun 20262910 PMAQI
27th Jun 20262811 PMAQI
28th Jun 20262712 AMAQI
28th Jun 2026281 AMAQI
28th Jun 2026362 AMAQI
28th Jun 2026273 AMAQI
28th Jun 2026264 AMAQI
28th Jun 2026335 AMAQI

30°C26/35°C

28th Jun 2026286 AMAQI
28th Jun 2026287 AMAQI
28th Jun 2026308 AMAQI
28th Jun 2026289 AMAQI
28th Jun 20263010 AMAQI
28th Jun 20262811 AMAQI
28th Jun 20262812 PMAQI
28th Jun 2026271 PMAQI
28th Jun 2026262 PMAQI
28th Jun 2026283 PMAQI
28th Jun 2026284 PMAQI
28th Jun 2026265 PMAQI
28th Jun 2026296 PMAQI
28th Jun 2026307 PMAQI
28th Jun 2026288 PMAQI
28th Jun 2026289 PMAQI
28th Jun 20262810 PMAQI
28th Jun 20262511 PMAQI
29th Jun 20262612 AMAQI
29th Jun 2026241 AMAQI
29th Jun 2026312 AMAQI
29th Jun 2026233 AMAQI
29th Jun 2026374 AMAQI
29th Jun 2026225 AMAQI

30°C26/35°C

29th Jun 2026366 AMAQI
29th Jun 2026407 AMAQI
29th Jun 2026228 AMAQI
29th Jun 2026249 AMAQI
29th Jun 20262810 AMAQI
29th Jun 20263711 AMAQI
29th Jun 20262512 PMAQI
29th Jun 2026521 PMAQI
29th Jun 2026372 PMAQI
29th Jun 2026243 PMAQI
29th Jun 2026244 PMAQI
29th Jun 2026245 PMAQI
29th Jun 2026246 PMAQI
29th Jun 2026267 PMAQI
29th Jun 2026268 PMAQI
29th Jun 2026239 PMAQI
29th Jun 20262610 PMAQI
29th Jun 20263011 PMAQI
30th Jun 20262412 AMAQI
30th Jun 2026231 AMAQI
30th Jun 2026312 AMAQI
30th Jun 2026453 AMAQI
30th Jun 2026244 AMAQI
30th Jun 2026255 AMAQI

30°C26/35°C

30th Jun 2026386 AMAQI
30th Jun 2026447 AMAQI
30th Jun 2026268 AMAQI
30th Jun 2026289 AMAQI
30th Jun 20262710 AMAQI
30th Jun 20262411 AMAQI
30th Jun 20262712 PMAQI
30th Jun 2026321 PMAQI
30th Jun 2026372 PMAQI
30th Jun 2026283 PMAQI
30th Jun 2026284 PMAQI
30th Jun 2026255 PMAQI
30th Jun 2026286 PMAQI
30th Jun 2026347 PMAQI
30th Jun 2026268 PMAQI
30th Jun 2026279 PMAQI
30th Jun 20262710 PMAQI
30th Jun 20262811 PMAQI
1st Jul 20262812 AMAQI
1st Jul 2026261 AMAQI
1st Jul 2026262 AMAQI
1st Jul 2026253 AMAQI
1st Jul 2026264 AMAQI
1st Jul 2026265 AMAQI

30°C25/36°C

1st Jul 2026276 AMAQI
1st Jul 2026277 AMAQI
1st Jul 2026288 AMAQI
1st Jul 2026299 AMAQI
1st Jul 20262910 AMAQI
1st Jul 20262811 AMAQI
1st Jul 20263112 PMAQI
1st Jul 2026261 PMAQI
1st Jul 2026282 PMAQI
1st Jul 2026273 PMAQI
1st Jul 2026264 PMAQI
1st Jul 2026285 PMAQI
1st Jul 2026246 PMAQI
1st Jul 2026267 PMAQI
1st Jul 2026278 PMAQI
1st Jul 2026229 PMAQI
1st Jul 20262310 PMAQI
1st Jul 20262211 PMAQI
2nd Jul 20262312 AMAQI
2nd Jul 2026241 AMAQI
2nd Jul 2026242 AMAQI
2nd Jul 2026243 AMAQI
2nd Jul 2026264 AMAQI
2nd Jul 2026225 AMAQI

30°C25/34°C

2nd Jul 2026256 AMAQI
2nd Jul 2026277 AMAQI
2nd Jul 2026408 AMAQI
2nd Jul 2026289 AMAQI
2nd Jul 20262710 AMAQI
2nd Jul 20262811 AMAQI
2nd Jul 20262912 PMAQI
2nd Jul 2026291 PMAQI
2nd Jul 2026312 PMAQI
2nd Jul 2026293 PMAQI
2nd Jul 2026284 PMAQI
2nd Jul 2026265 PMAQI
2nd Jul 2026286 PMAQI
2nd Jul 2026267 PMAQI
2nd Jul 2026238 PMAQI
2nd Jul 2026249 PMAQI
2nd Jul 20262410 PMAQI
2nd Jul 20262711 PMAQI
3rd Jul 20263112 AMAQI
3rd Jul 2026321 AMAQI
3rd Jul 2026252 AMAQI
3rd Jul 2026303 AMAQI
3rd Jul 2026284 AMAQI
3rd Jul 2026325 AMAQI

27°C24/35°C

3rd Jul 2026306 AMAQI
3rd Jul 2026277 AMAQI
3rd Jul 2026278 AMAQI
3rd Jul 2026329 AMAQI
3rd Jul 20263110 AMAQI
3rd Jul 20262911 AMAQI
3rd Jul 20263212 PMAQI
3rd Jul 2026301 PMAQI
3rd Jul 2026272 PMAQI
3rd Jul 2026303 PMAQI
3rd Jul 2026284 PMAQI
3rd Jul 2026305 PMAQI
3rd Jul 2026266 PMAQI
3rd Jul 2026267 PMAQI
3rd Jul 2026278 PMAQI
3rd Jul 2026259 PMAQI
3rd Jul 20262410 PMAQI
3rd Jul 20262411 PMAQI
4th Jul 20262612 AMAQI
4th Jul 2026341 AMAQI
4th Jul 2026252 AMAQI
4th Jul 2026283 AMAQI
4th Jul 2026264 AMAQI
4th Jul 2026275 AMAQI

29°C24/35°C

4th Jul 2026266 AMAQI
4th Jul 2026287 AMAQI
4th Jul 2026278 AMAQI
4th Jul 2026289 AMAQI
4th Jul 20262610 AMAQI
4th Jul 20262611 AMAQI
4th Jul 20262412 PMAQI
4th Jul 2026261 PMAQI
4th Jul 2026222 PMAQI
4th Jul 2026253 PMAQI
4th Jul 2026244 PMAQI
4th Jul 2026245 PMAQI
4th Jul 2026256 PMAQI
4th Jul 2026207 PMAQI
4th Jul 2026208 PMAQI
4th Jul 2026209 PMAQI
4th Jul 20263610 PMAQI
4th Jul 20262211 PMAQI
5th Jul 20262412 AMAQI
5th Jul 2026381 AMAQI
5th Jul 2026472 AMAQI
5th Jul 2026403 AMAQI
5th Jul 2026264 AMAQI
5th Jul 2026255 AMAQI

30°C25/35°C

5th Jul 2026236 AMAQI
5th Jul 2026267 AMAQI
5th Jul 2026248 AMAQI
5th Jul 2026289 AMAQI
5th Jul 20263010 AMAQI
5th Jul 20262811 AMAQI
5th Jul 20262812 PMAQI
5th Jul 2026281 PMAQI
5th Jul 2026252 PMAQI
5th Jul 2026283 PMAQI
5th Jul 2026264 PMAQI
5th Jul 2026265 PMAQI
5th Jul 2026266 PMAQI
5th Jul 2026247 PMAQI
5th Jul 2026268 PMAQI
5th Jul 2026209 PMAQI
5th Jul 20262410 PMAQI
5th Jul 20262611 PMAQI
6th Jul 20262212 AMAQI
6th Jul 2026261 AMAQI
6th Jul 2026232 AMAQI
6th Jul 2026213 AMAQI
6th Jul 2026224 AMAQI
6th Jul 2026245 AMAQI

30°C25/37°C

6th Jul 2026286 AMAQI
6th Jul 2026297 AMAQI
6th Jul 2026288 AMAQI
6th Jul 2026309 AMAQI
6th Jul 20263010 AMAQI
6th Jul 20263111 AMAQI
6th Jul 20263212 PMAQI
6th Jul 2026321 PMAQI
6th Jul 2026282 PMAQI
6th Jul 2026313 PMAQI
6th Jul 2026304 PMAQI
6th Jul 2026305 PMAQI
6th Jul 2026306 PMAQI
6th Jul 2026287 PMAQI
6th Jul 2026268 PMAQI
6th Jul 2026209 PMAQI
6th Jul 20262410 PMAQI
6th Jul 20262211 PMAQI
7th Jul 20262612 AMAQI
7th Jul 2026311 AMAQI
7th Jul 2026282 AMAQI
7th Jul 2026323 AMAQI
7th Jul 2026294 AMAQI
7th Jul 2026285 AMAQI

29°C24/39°C

7th Jul 2026246 AMAQI
7th Jul 2026307 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026279 AMAQI
7th Jul 20263210 AMAQI
7th Jul 20263411 AMAQI
7th Jul 20263212 PMAQI
7th Jul 2026301 PMAQI
7th Jul 2026282 PMAQI
7th Jul 2026323 PMAQI
7th Jul 2026324 PMAQI
7th Jul 2026285 PMAQI
7th Jul 2026606 PMAQI
7th Jul 2026307 PMAQI
7th Jul 2026288 PMAQI
7th Jul 2026289 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262711 PMAQI
8th Jul 20262812 AMAQI
8th Jul 2026301 AMAQI
8th Jul 2026212 AMAQI
8th Jul 2026263 AMAQI
8th Jul 2026244 AMAQI
8th Jul 2026245 AMAQI

28°C24/34°C

8th Jul 2026206 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026248 AMAQI
8th Jul 2026319 AMAQI
8th Jul 20263010 AMAQI
8th Jul 20263011 AMAQI
8th Jul 20263412 PMAQI
8th Jul 2026311 PMAQI
8th Jul 2026312 PMAQI
8th Jul 2026303 PMAQI
8th Jul 2026284 PMAQI
8th Jul 2026285 PMAQI
8th Jul 2026286 PMAQI
8th Jul 2026237 PMAQI
8th Jul 2026248 PMAQI
8th Jul 2026249 PMAQI
8th Jul 20262210 PMAQI
8th Jul 20262211 PMAQI
9th Jul 20262612 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026192 AMAQI
9th Jul 2026273 AMAQI
9th Jul 2026264 AMAQI
9th Jul 2026245 AMAQI

29°C23/34°C

9th Jul 2026286 AMAQI
9th Jul 2026287 AMAQI
9th Jul 2026278 AMAQI
9th Jul 2026319 AMAQI
9th Jul 20263110 AMAQI
9th Jul 20263011 AMAQI
9th Jul 20263012 PMAQI
9th Jul 2026301 PMAQI
9th Jul 2026272 PMAQI
9th Jul 2026303 PMAQI
9th Jul 2026324 PMAQI
9th Jul 2026285 PMAQI
9th Jul 2026316 PMAQI
9th Jul 2026307 PMAQI
9th Jul 2026308 PMAQI
9th Jul 2026309 PMAQI
9th Jul 20262810 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026241 AMAQI
10th Jul 2026172 AMAQI
10th Jul 2026323 AMAQI
10th Jul 2026314 AMAQI
10th Jul 2026335 AMAQI

29°C24/36°C

10th Jul 2026326 AMAQI
10th Jul 2026317 AMAQI
10th Jul 2026368 AMAQI
10th Jul 2026389 AMAQI
10th Jul 20263410 AMAQI
10th Jul 20263411 AMAQI
10th Jul 20263412 PMAQI
10th Jul 2026311 PMAQI
10th Jul 2026302 PMAQI
10th Jul 2026343 PMAQI
10th Jul 2026344 PMAQI
10th Jul 2026355 PMAQI
10th Jul 2026346 PMAQI
10th Jul 2026377 PMAQI
10th Jul 2026368 PMAQI
10th Jul 2026309 PMAQI
10th Jul 20262910 PMAQI
10th Jul 20262811 PMAQI
11th Jul 20262512 AMAQI
11th Jul 2026221 AMAQI
11th Jul 2026362 AMAQI
11th Jul 2026383 AMAQI
11th Jul 2026324 AMAQI
11th Jul 2026305 AMAQI

29°C25/35°C

11th Jul 2026276 AMAQI
11th Jul 2026327 AMAQI
11th Jul 2026348 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20263510 AMAQI
11th Jul 20263311 AMAQI
11th Jul 20263312 PMAQI
11th Jul 2026341 PMAQI
11th Jul 2026392 PMAQI
11th Jul 2026303 PMAQI
11th Jul 2026324 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026306 PMAQI
11th Jul 2026317 PMAQI
11th Jul 2026348 PMAQI
11th Jul 2026289 PMAQI
11th Jul 20262610 PMAQI
11th Jul 20262411 PMAQI
12th Jul 20262312 AMAQI
12th Jul 2026241 AMAQI
12th Jul 2026232 AMAQI
12th Jul 2026313 AMAQI
12th Jul 2026304 AMAQI
12th Jul 2026245 AMAQI

27°C25/32°C

12th Jul 2026446 AMAQI
12th Jul 2026337 AMAQI
12th Jul 2026318 AMAQI
12th Jul 2026309 AMAQI
12th Jul 20263110 AMAQI
12th Jul 20263011 AMAQI
12th Jul 20262912 PMAQI
12th Jul 2026301 PMAQI
12th Jul 2026282 PMAQI
12th Jul 2026303 PMAQI
12th Jul 2026304 PMAQI
12th Jul 2026285 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026308 PMAQI
12th Jul 2026279 PMAQI
12th Jul 20262410 PMAQI
12th Jul 20262411 PMAQI
13th Jul 20262212 AMAQI
13th Jul 2026211 AMAQI
13th Jul 2026142 AMAQI
13th Jul 2026323 AMAQI
13th Jul 2026324 AMAQI
13th Jul 2026325 AMAQI

28°C24/35°C

13th Jul 2026336 AMAQI
6 AM
13th Jul 2026337 AMAQI
13th Jul 2026328 AMAQI
13th Jul 2026369 AMAQI
13th Jul 20263310 AMAQI
13th Jul 20263211 AMAQI
13th Jul 20263712 PMAQI
13th Jul 2026321 PMAQI
1 PM
13th Jul 2026282 PMAQI
13th Jul 2026323 PMAQI
13th Jul 2026324 PMAQI
13th Jul 2026325 PMAQI
13th Jul 2026306 PMAQI
13th Jul 2026347 PMAQI
13th Jul 2026348 PMAQI
8 PM
13th Jul 2026449 PMAQI
13th Jul 20262210 PMAQI
13th Jul 20262011 PMAQI
1 AM
5 AM

26°C24/30°C

Day time
Avg. Highest Time
9 AM

30AQI

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

26AQI

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. 30), while the lowest AQI was between 6 AM to 6 AM (Avg. 26).
Night time
Avg. Highest Time
3 AM

28AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM

25AQI

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. 28), while the lowest AQI was between 5 AM to 5 AM (Avg. 25).

2026 Days Vs Air Quality

SETRPC 43 Jefferson Co Airport C643, Port Arthur, Texas, United States

2026

85%

161

15%

29

Total number of days with different AQI categories in last 194 days in 2026 (171 days remaining)

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

Under WHO’s Safe Air Quality Limits: 85%

Health Risk Level:

Low

In 2026, 85% of 194 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

SETRPC 43 Jefferson Co Airport C643, Port Arthur, Texas, United States

AQI levels in 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
57AQI (US)
2nd January 2026
21AQI (US)
3rd January 2026
36AQI (US)
4th January 2026
28AQI (US)
5th January 2026
36AQI (US)
6th January 2026
36AQI (US)
7th January 2026
46AQI (US)
8th January 2026
32AQI (US)
9th January 2026
29AQI (US)
10th January 2026
24AQI (US)
11th January 2026
16AQI (US)
12th January 2026
20AQI (US)
13th January 2026
41AQI (US)
14th January 2026
35AQI (US)
15th January 2026
24AQI (US)
16th January 2026
33AQI (US)
17th January 2026
21AQI (US)
18th January 2026
24AQI (US)
19th January 2026
38AQI (US)
20th January 2026
30AQI (US)
21st January 2026
31AQI (US)
22nd January 2026
53AQI (US)
23rd January 2026
54AQI (US)
24th January 2026
48AQI (US)
25th January 2026
52AQI (US)
26th January 2026
50AQI (US)
27th January 2026
45AQI (US)
28th January 2026
48AQI (US)
29th January 2026
51AQI (US)
30th January 2026
51AQI (US)
31st January 2026
48AQI (US)
1st February 2026
51AQI (US)
2nd February 2026
54AQI (US)
3rd February 2026
52AQI (US)
4th February 2026
51AQI (US)
5th February 2026
48AQI (US)
6th February 2026
45AQI (US)
7th February 2026
44AQI (US)
8th February 2026
48AQI (US)
9th February 2026
49AQI (US)
10th February 2026
49AQI (US)
11th February 2026
46AQI (US)
12th February 2026
52AQI (US)
13th February 2026
57AQI (US)
14th February 2026
59AQI (US)
15th February 2026
53AQI (US)
16th February 2026
55AQI (US)
17th February 2026
57AQI (US)
18th February 2026
51AQI (US)
19th February 2026
53AQI (US)
20th February 2026
44AQI (US)
21st February 2026
44AQI (US)
22nd February 2026
44AQI (US)
23rd February 2026
49AQI (US)
24th February 2026
49AQI (US)
25th February 2026
44AQI (US)
26th February 2026
41AQI (US)
27th February 2026
36AQI (US)
28th February 2026
44AQI (US)
1st March 2026
54AQI (US)
2nd March 2026
52AQI (US)
3rd March 2026
45AQI (US)
4th March 2026
44AQI (US)
5th March 2026
40AQI (US)
6th March 2026
40AQI (US)
7th March 2026
43AQI (US)
8th March 2026
45AQI (US)
9th March 2026
42AQI (US)
10th March 2026
42AQI (US)
11th March 2026
39AQI (US)
12th March 2026
41AQI (US)
13th March 2026
38AQI (US)
14th March 2026
36AQI (US)
15th March 2026
40AQI (US)
16th March 2026
37AQI (US)
17th March 2026
36AQI (US)
18th March 2026
33AQI (US)
19th March 2026
36AQI (US)
20th March 2026
37AQI (US)
21st March 2026
35AQI (US)
22nd March 2026
35AQI (US)
23rd March 2026
45AQI (US)
24th March 2026
40AQI (US)
25th March 2026
38AQI (US)
26th March 2026
37AQI (US)
27th March 2026
37AQI (US)
28th March 2026
33AQI (US)
29th March 2026
36AQI (US)
30th March 2026
41AQI (US)
31st March 2026
32AQI (US)
1st April 2026
35AQI (US)
2nd April 2026
35AQI (US)
3rd April 2026
31AQI (US)
4th April 2026
32AQI (US)
5th April 2026
33AQI (US)
6th April 2026
35AQI (US)
7th April 2026
31AQI (US)
8th April 2026
40AQI (US)
9th April 2026
33AQI (US)
10th April 2026
36AQI (US)
11th April 2026
36AQI (US)
12th April 2026
34AQI (US)
13th April 2026
36AQI (US)
14th April 2026
37AQI (US)
15th April 2026
40AQI (US)
16th April 2026
38AQI (US)
17th April 2026
18th April 2026
40AQI (US)
19th April 2026
42AQI (US)
20th April 2026
32AQI (US)
21st April 2026
34AQI (US)
22nd April 2026
23rd April 2026
34AQI (US)
24th April 2026
42AQI (US)
25th April 2026
48AQI (US)
26th April 2026
37AQI (US)
27th April 2026
32AQI (US)
28th April 2026
39AQI (US)
29th April 2026
27AQI (US)
30th April 2026
31AQI (US)
1st May 2026
29AQI (US)
2nd May 2026
31AQI (US)
3rd May 2026
24AQI (US)
4th May 2026
30AQI (US)
5th May 2026
39AQI (US)
6th May 2026
39AQI (US)
7th May 2026
32AQI (US)
8th May 2026
37AQI (US)
9th May 2026
10th May 2026
40AQI (US)
11th May 2026
38AQI (US)
12th May 2026
41AQI (US)
13th May 2026
38AQI (US)
14th May 2026
33AQI (US)
15th May 2026
47AQI (US)
16th May 2026
54AQI (US)
17th May 2026
60AQI (US)
18th May 2026
58AQI (US)
19th May 2026
57AQI (US)
20th May 2026
53AQI (US)
21st May 2026
50AQI (US)
22nd May 2026
61AQI (US)
23rd May 2026
63AQI (US)
24th May 2026
57AQI (US)
25th May 2026
56AQI (US)
26th May 2026
28AQI (US)
27th May 2026
28AQI (US)
28th May 2026
28AQI (US)
29th May 2026
27AQI (US)
30th May 2026
28AQI (US)
31st May 2026
31AQI (US)
1st June 2026
32AQI (US)
2nd June 2026
30AQI (US)
3rd June 2026
30AQI (US)
4th June 2026
26AQI (US)
5th June 2026
26AQI (US)
6th June 2026
25AQI (US)
7th June 2026
24AQI (US)
8th June 2026
28AQI (US)
9th June 2026
25AQI (US)
10th June 2026
27AQI (US)
11th June 2026
27AQI (US)
12th June 2026
27AQI (US)
13th June 2026
26AQI (US)
14th June 2026
25AQI (US)
15th June 2026
26AQI (US)
16th June 2026
27AQI (US)
17th June 2026
28AQI (US)
18th June 2026
26AQI (US)
19th June 2026
25AQI (US)
20th June 2026
24AQI (US)
21st June 2026
24AQI (US)
22nd June 2026
26AQI (US)
23rd June 2026
27AQI (US)
24th June 2026
27AQI (US)
25th June 2026
29AQI (US)
26th June 2026
30AQI (US)
27th June 2026
29AQI (US)
28th June 2026
28AQI (US)
29th June 2026
29AQI (US)
30th June 2026
29AQI (US)
1st July 2026
26AQI (US)
2nd July 2026
27AQI (US)
3rd July 2026
28AQI (US)
4th July 2026
26AQI (US)
5th July 2026
28AQI (US)
6th July 2026
27AQI (US)
7th July 2026
30AQI (US)
8th July 2026
27AQI (US)
9th July 2026
28AQI (US)
10th July 2026
32AQI (US)
11th July 2026
31AQI (US)
12th July 2026
29AQI (US)
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

37AQI (US)

49AQI (US)

40AQI (US)

36AQI (US)

41AQI (US)

27AQI (US)

28AQI (US)

No. of days

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

202638AQI (US)

25
6
16
12
29
2
28
21
9
30
12
161
29

Highest AQI (US) recorded in

February

49AQI (US)

Lowest AQI (US) recorded in

June

27AQI (US)

202542AQI (US)

3
2
21
9
28
3
20
10
15
16
23
8
22
8
19
12
27
3
28
3
206
74

Highest AQI (US) recorded in

July

49AQI (US)

Lowest AQI (US) recorded in

November

34AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2025(Avg.)
42AQI (US)
Least Polluted Year Recorded
2026(Avg.)
38AQI (US)

SETRPC 43 Jefferson Co Airport C643's annual 2026 AQI (US) (38) shows an average percentage change of -9.5% (improved AQI (US)) compared to previous years: 2025 (42).