Country Background

Houston, 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+

August Air Quality Analysis

Houston, Texas, United States

2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
26th Aug 2025
59AQI
Lowest AQI recorded on
7th Aug 2025
40AQI


Same Day Analysis (29th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 53 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 29th Aug - 30th Aug 2025

Houston, Texas, United States

AQI
Day
Night
.

6 AM29th Aug 2025

8 PM

5 AM30th Aug 2025

Day time
Avg. Highest Time
4PM29th Aug

53AQI

Avg. Lowest Time
1PM29th Aug

50AQI

Night time
Avg. Highest Time
8PM29th Aug

49AQI

Avg. Lowest Time
1AM30th Aug

43AQI

In the last 24 hours,

Houston's AQI reached its highest point of 53 at 4 PM during the Day, while the lowest point, 43, was recorded at 1 AM during the Night between 29th Aug and 30th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Houston, Texas, United States

JulAug
31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th
Day
Night
31st Jul 2025556 AMAQI
31st Jul 2025557 AMAQI
31st Jul 2025548 AMAQI
31st Jul 2025539 AMAQI
31st Jul 20255310 AMAQI
31st Jul 20255411 AMAQI
31st Jul 20255412 PMAQI
31st Jul 2025551 PMAQI
31st Jul 2025552 PMAQI
31st Jul 2025553 PMAQI
31st Jul 2025554 PMAQI
31st Jul 2025535 PMAQI
31st Jul 2025526 PMAQI
31st Jul 2025547 PMAQI
31st Jul 2025548 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255010 PMAQI
31st Jul 20254811 PMAQI
1st Aug 20255012 AMAQI
1st Aug 2025521 AMAQI
1st Aug 2025522 AMAQI
1st Aug 2025523 AMAQI
1st Aug 2025514 AMAQI
1st Aug 2025525 AMAQI

30°C25/37°C

1st Aug 2025506 AMAQI
1st Aug 2025497 AMAQI
1st Aug 2025498 AMAQI
1st Aug 2025509 AMAQI
1st Aug 20255010 AMAQI
1st Aug 20255111 AMAQI
1st Aug 20255212 PMAQI
1st Aug 2025511 PMAQI
1st Aug 2025512 PMAQI
1st Aug 2025523 PMAQI
1st Aug 2025524 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025526 PMAQI
1st Aug 2025517 PMAQI
1st Aug 2025508 PMAQI
1st Aug 2025499 PMAQI
1st Aug 20255010 PMAQI
1st Aug 20254911 PMAQI
2nd Aug 20254512 AMAQI
2nd Aug 2025421 AMAQI
2nd Aug 2025422 AMAQI
2nd Aug 2025423 AMAQI
2nd Aug 2025424 AMAQI
2nd Aug 2025435 AMAQI

31°C25/39°C

2nd Aug 2025466 AMAQI
2nd Aug 2025477 AMAQI
2nd Aug 2025478 AMAQI
2nd Aug 2025449 AMAQI
2nd Aug 20254310 AMAQI
2nd Aug 20254311 AMAQI
2nd Aug 20254212 PMAQI
2nd Aug 2025451 PMAQI
2nd Aug 2025482 PMAQI
2nd Aug 2025463 PMAQI
2nd Aug 2025404 PMAQI
2nd Aug 2025325 PMAQI
2nd Aug 2025326 PMAQI
2nd Aug 2025427 PMAQI
2nd Aug 2025428 PMAQI
2nd Aug 2025429 PMAQI
2nd Aug 20254210 PMAQI
2nd Aug 20254511 PMAQI
3rd Aug 20254712 AMAQI
3rd Aug 2025481 AMAQI
3rd Aug 2025472 AMAQI
3rd Aug 2025483 AMAQI
3rd Aug 2025494 AMAQI
3rd Aug 2025495 AMAQI

31°C25/39°C

3rd Aug 2025486 AMAQI
3rd Aug 2025487 AMAQI
3rd Aug 2025498 AMAQI
3rd Aug 2025489 AMAQI
3rd Aug 20254810 AMAQI
3rd Aug 20254711 AMAQI
3rd Aug 20254612 PMAQI
3rd Aug 2025501 PMAQI
3rd Aug 2025512 PMAQI
3rd Aug 2025513 PMAQI
3rd Aug 2025494 PMAQI
3rd Aug 2025475 PMAQI
3rd Aug 2025476 PMAQI
3rd Aug 2025497 PMAQI
3rd Aug 2025498 PMAQI
3rd Aug 2025499 PMAQI
3rd Aug 20254910 PMAQI
3rd Aug 20254411 PMAQI
4th Aug 20254712 AMAQI
4th Aug 2025491 AMAQI
4th Aug 2025502 AMAQI
4th Aug 2025513 AMAQI
4th Aug 2025514 AMAQI
4th Aug 2025525 AMAQI

31°C26/38°C

4th Aug 2025536 AMAQI
4th Aug 2025537 AMAQI
4th Aug 2025538 AMAQI
4th Aug 2025549 AMAQI
4th Aug 20255410 AMAQI
4th Aug 20255411 AMAQI
4th Aug 20255312 PMAQI
4th Aug 2025501 PMAQI
4th Aug 2025452 PMAQI
4th Aug 2025423 PMAQI
4th Aug 2025394 PMAQI
4th Aug 2025405 PMAQI
4th Aug 2025416 PMAQI
4th Aug 2025527 PMAQI
4th Aug 2025538 PMAQI
4th Aug 2025509 PMAQI
4th Aug 20255110 PMAQI
4th Aug 20254511 PMAQI
5th Aug 20254812 AMAQI
5th Aug 2025501 AMAQI
5th Aug 2025522 AMAQI
5th Aug 2025523 AMAQI
5th Aug 2025534 AMAQI
5th Aug 2025535 AMAQI

28°C26/33°C

5th Aug 2025556 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025568 AMAQI
5th Aug 2025549 AMAQI
5th Aug 20255310 AMAQI
5th Aug 20255311 AMAQI
5th Aug 20255312 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025552 PMAQI
5th Aug 2025523 PMAQI
5th Aug 2025514 PMAQI
5th Aug 2025505 PMAQI
5th Aug 2025526 PMAQI
5th Aug 2025537 PMAQI
5th Aug 2025508 PMAQI
5th Aug 2025499 PMAQI
5th Aug 20255010 PMAQI
5th Aug 20254811 PMAQI
6th Aug 20254712 AMAQI
6th Aug 2025461 AMAQI
6th Aug 2025432 AMAQI
6th Aug 2025403 AMAQI
6th Aug 2025374 AMAQI
6th Aug 2025395 AMAQI

29°C25/34°C

6th Aug 2025386 AMAQI
6th Aug 2025407 AMAQI
6th Aug 2025448 AMAQI
6th Aug 2025479 AMAQI
6th Aug 20255010 AMAQI
6th Aug 20255011 AMAQI
6th Aug 20255012 PMAQI
6th Aug 2025511 PMAQI
6th Aug 2025512 PMAQI
6th Aug 2025523 PMAQI
6th Aug 2025524 PMAQI
6th Aug 2025525 PMAQI
6th Aug 2025536 PMAQI
6th Aug 2025487 PMAQI
6th Aug 2025478 PMAQI
6th Aug 2025469 PMAQI
6th Aug 20254810 PMAQI
6th Aug 20253911 PMAQI
7th Aug 20254012 AMAQI
7th Aug 2025401 AMAQI
7th Aug 2025372 AMAQI
7th Aug 2025363 AMAQI
7th Aug 2025374 AMAQI
7th Aug 2025395 AMAQI

30°C25/37°C

7th Aug 2025386 AMAQI
7th Aug 2025367 AMAQI
7th Aug 2025368 AMAQI
7th Aug 2025399 AMAQI
7th Aug 20253810 AMAQI
7th Aug 20254011 AMAQI
7th Aug 20254512 PMAQI
7th Aug 2025471 PMAQI
7th Aug 2025452 PMAQI
7th Aug 2025443 PMAQI
7th Aug 2025434 PMAQI
7th Aug 2025425 PMAQI
7th Aug 2025426 PMAQI
7th Aug 2025417 PMAQI
7th Aug 2025408 PMAQI
7th Aug 2025409 PMAQI
7th Aug 20253910 PMAQI
7th Aug 20253711 PMAQI
8th Aug 20253912 AMAQI
8th Aug 2025401 AMAQI
8th Aug 2025392 AMAQI
8th Aug 2025383 AMAQI
8th Aug 2025364 AMAQI
8th Aug 2025375 AMAQI

31°C26/38°C

8th Aug 2025396 AMAQI
8th Aug 2025387 AMAQI
8th Aug 2025468 AMAQI
8th Aug 2025469 AMAQI
8th Aug 20254410 AMAQI
8th Aug 20254411 AMAQI
8th Aug 20254512 PMAQI
8th Aug 2025441 PMAQI
8th Aug 2025442 PMAQI
8th Aug 2025463 PMAQI
8th Aug 2025474 PMAQI
8th Aug 2025485 PMAQI
8th Aug 2025496 PMAQI
8th Aug 2025467 PMAQI
8th Aug 2025458 PMAQI
8th Aug 2025449 PMAQI
8th Aug 20254410 PMAQI
8th Aug 20254211 PMAQI
9th Aug 20253912 AMAQI
9th Aug 2025381 AMAQI
9th Aug 2025412 AMAQI
9th Aug 2025413 AMAQI
9th Aug 2025414 AMAQI
9th Aug 2025435 AMAQI

30°C25/36°C

9th Aug 2025416 AMAQI
9th Aug 2025397 AMAQI
9th Aug 2025438 AMAQI
9th Aug 2025439 AMAQI
9th Aug 20254410 AMAQI
9th Aug 20254811 AMAQI
9th Aug 20254912 PMAQI
9th Aug 2025491 PMAQI
9th Aug 2025502 PMAQI
9th Aug 2025483 PMAQI
9th Aug 2025484 PMAQI
9th Aug 2025485 PMAQI
9th Aug 2025486 PMAQI
9th Aug 2025427 PMAQI
9th Aug 2025438 PMAQI
9th Aug 2025439 PMAQI
9th Aug 20254410 PMAQI
9th Aug 20254511 PMAQI
10th Aug 20254712 AMAQI
10th Aug 2025461 AMAQI
10th Aug 2025422 AMAQI
10th Aug 2025393 AMAQI
10th Aug 2025414 AMAQI
10th Aug 2025395 AMAQI

30°C25/35°C

10th Aug 2025406 AMAQI
10th Aug 2025407 AMAQI
10th Aug 2025428 AMAQI
10th Aug 2025429 AMAQI
10th Aug 20254110 AMAQI
10th Aug 20254311 AMAQI
10th Aug 20254312 PMAQI
10th Aug 2025391 PMAQI
10th Aug 2025402 PMAQI
10th Aug 2025393 PMAQI
10th Aug 2025414 PMAQI
10th Aug 2025415 PMAQI
10th Aug 2025406 PMAQI
10th Aug 2025407 PMAQI
10th Aug 2025418 PMAQI
10th Aug 2025419 PMAQI
10th Aug 20254010 PMAQI
10th Aug 20253911 PMAQI
11th Aug 20253912 AMAQI
11th Aug 2025401 AMAQI
11th Aug 2025382 AMAQI
11th Aug 2025373 AMAQI
11th Aug 2025424 AMAQI
11th Aug 2025415 AMAQI

29°C25/36°C

11th Aug 2025406 AMAQI
11th Aug 2025457 AMAQI
11th Aug 2025458 AMAQI
11th Aug 2025429 AMAQI
11th Aug 20254210 AMAQI
11th Aug 20254411 AMAQI
11th Aug 20254712 PMAQI
11th Aug 2025501 PMAQI
11th Aug 2025492 PMAQI
11th Aug 2025493 PMAQI
11th Aug 2025474 PMAQI
11th Aug 2025475 PMAQI
11th Aug 2025476 PMAQI
11th Aug 2025437 PMAQI
11th Aug 2025448 PMAQI
11th Aug 2025439 PMAQI
11th Aug 20254210 PMAQI
11th Aug 20254111 PMAQI
12th Aug 20254012 AMAQI
12th Aug 2025421 AMAQI
12th Aug 2025402 AMAQI
12th Aug 2025403 AMAQI
12th Aug 2025424 AMAQI
12th Aug 2025465 AMAQI

30°C25/38°C

12th Aug 2025486 AMAQI
12th Aug 2025507 AMAQI
12th Aug 2025538 AMAQI
12th Aug 2025539 AMAQI
12th Aug 20255310 AMAQI
12th Aug 20255211 AMAQI
12th Aug 20255312 PMAQI
12th Aug 2025531 PMAQI
12th Aug 2025512 PMAQI
12th Aug 2025513 PMAQI
12th Aug 2025494 PMAQI
12th Aug 2025505 PMAQI
12th Aug 2025456 PMAQI
12th Aug 2025487 PMAQI
12th Aug 2025498 PMAQI
12th Aug 2025499 PMAQI
12th Aug 20254910 PMAQI
12th Aug 20254011 PMAQI
13th Aug 20254212 AMAQI
13th Aug 2025461 AMAQI
13th Aug 2025482 AMAQI
13th Aug 2025483 AMAQI
13th Aug 2025464 AMAQI
13th Aug 2025455 AMAQI

30°C26/37°C

13th Aug 2025426 AMAQI
13th Aug 2025447 AMAQI
13th Aug 2025458 AMAQI
13th Aug 2025459 AMAQI
13th Aug 20254310 AMAQI
13th Aug 20254511 AMAQI
13th Aug 20254512 PMAQI
13th Aug 2025421 PMAQI
13th Aug 2025392 PMAQI
13th Aug 2025393 PMAQI
13th Aug 2025424 PMAQI
13th Aug 2025445 PMAQI
13th Aug 2025466 PMAQI
13th Aug 2025457 PMAQI
13th Aug 2025448 PMAQI
13th Aug 2025459 PMAQI
13th Aug 20253610 PMAQI
13th Aug 20252611 PMAQI
14th Aug 20252812 AMAQI
14th Aug 2025281 AMAQI
14th Aug 2025282 AMAQI
14th Aug 2025283 AMAQI
14th Aug 2025284 AMAQI
14th Aug 2025285 AMAQI

29°C25/37°C

14th Aug 2025266 AMAQI
14th Aug 2025287 AMAQI
14th Aug 2025318 AMAQI
14th Aug 2025389 AMAQI
14th Aug 20254610 AMAQI
14th Aug 20255011 AMAQI
14th Aug 20255112 PMAQI
14th Aug 2025521 PMAQI
14th Aug 2025542 PMAQI
14th Aug 2025543 PMAQI
14th Aug 2025534 PMAQI
14th Aug 2025565 PMAQI
14th Aug 2025566 PMAQI
14th Aug 2025447 PMAQI
14th Aug 2025448 PMAQI
14th Aug 2025439 PMAQI
14th Aug 20254510 PMAQI
14th Aug 20254711 PMAQI
15th Aug 20254812 AMAQI
15th Aug 2025471 AMAQI
15th Aug 2025452 AMAQI
15th Aug 2025443 AMAQI
15th Aug 2025434 AMAQI
15th Aug 2025435 AMAQI

31°C26/36°C

15th Aug 2025446 AMAQI
15th Aug 2025467 AMAQI
15th Aug 2025478 AMAQI
15th Aug 2025459 AMAQI
15th Aug 20254710 AMAQI
15th Aug 20255011 AMAQI
15th Aug 20254712 PMAQI
15th Aug 2025461 PMAQI
15th Aug 2025432 PMAQI
15th Aug 2025403 PMAQI
15th Aug 2025424 PMAQI
15th Aug 2025445 PMAQI
15th Aug 2025476 PMAQI
15th Aug 2025467 PMAQI
15th Aug 2025448 PMAQI
15th Aug 2025459 PMAQI
15th Aug 20254510 PMAQI
15th Aug 20254211 PMAQI
16th Aug 20254112 AMAQI
16th Aug 2025421 AMAQI
16th Aug 2025392 AMAQI
16th Aug 2025353 AMAQI
16th Aug 2025344 AMAQI
16th Aug 2025345 AMAQI

30°C25/36°C

16th Aug 2025356 AMAQI
16th Aug 2025387 AMAQI
16th Aug 2025418 AMAQI
16th Aug 2025429 AMAQI
16th Aug 20254310 AMAQI
16th Aug 20254711 AMAQI
16th Aug 20255012 PMAQI
16th Aug 2025501 PMAQI
16th Aug 2025482 PMAQI
16th Aug 2025453 PMAQI
16th Aug 2025434 PMAQI
16th Aug 2025435 PMAQI
16th Aug 2025456 PMAQI
16th Aug 2025427 PMAQI
16th Aug 2025408 PMAQI
16th Aug 2025419 PMAQI
16th Aug 20254010 PMAQI
16th Aug 20255011 PMAQI
17th Aug 20255112 AMAQI
17th Aug 2025511 AMAQI
17th Aug 2025512 AMAQI
17th Aug 2025513 AMAQI
17th Aug 2025494 AMAQI
17th Aug 2025495 AMAQI

30°C26/35°C

17th Aug 2025486 AMAQI
17th Aug 2025487 AMAQI
17th Aug 2025478 AMAQI
17th Aug 2025469 AMAQI
17th Aug 20254810 AMAQI
17th Aug 20254911 AMAQI
17th Aug 20255012 PMAQI
17th Aug 2025501 PMAQI
17th Aug 2025502 PMAQI
17th Aug 2025493 PMAQI
17th Aug 2025494 PMAQI
17th Aug 2025495 PMAQI
17th Aug 2025486 PMAQI
17th Aug 2025507 PMAQI
17th Aug 2025488 PMAQI
17th Aug 2025489 PMAQI
17th Aug 20254810 PMAQI
17th Aug 20254211 PMAQI
18th Aug 20253912 AMAQI
18th Aug 2025391 AMAQI
18th Aug 2025382 AMAQI
18th Aug 2025383 AMAQI
18th Aug 2025384 AMAQI
18th Aug 2025375 AMAQI

31°C27/37°C

18th Aug 2025396 AMAQI
18th Aug 2025407 AMAQI
18th Aug 2025438 AMAQI
18th Aug 2025439 AMAQI
18th Aug 20254110 AMAQI
18th Aug 20254311 AMAQI
18th Aug 20254512 PMAQI
18th Aug 2025471 PMAQI
18th Aug 2025492 PMAQI
18th Aug 2025503 PMAQI
18th Aug 2025504 PMAQI
18th Aug 2025525 PMAQI
18th Aug 2025536 PMAQI
18th Aug 2025447 PMAQI
18th Aug 2025458 PMAQI
18th Aug 2025449 PMAQI
18th Aug 20254510 PMAQI
18th Aug 20254011 PMAQI
19th Aug 20253912 AMAQI
19th Aug 2025431 AMAQI
19th Aug 2025462 AMAQI
19th Aug 2025473 AMAQI
19th Aug 2025464 AMAQI
19th Aug 2025465 AMAQI

31°C26/38°C

19th Aug 2025486 AMAQI
19th Aug 2025507 AMAQI
19th Aug 2025538 AMAQI
19th Aug 2025549 AMAQI
19th Aug 20255310 AMAQI
19th Aug 20254911 AMAQI
19th Aug 20254812 PMAQI
19th Aug 2025501 PMAQI
19th Aug 2025502 PMAQI
19th Aug 2025483 PMAQI
19th Aug 2025474 PMAQI
19th Aug 2025485 PMAQI
19th Aug 2025506 PMAQI
19th Aug 2025477 PMAQI
19th Aug 2025478 PMAQI
19th Aug 2025489 PMAQI
19th Aug 20254910 PMAQI
19th Aug 20255011 PMAQI
20th Aug 20254712 AMAQI
20th Aug 2025461 AMAQI
20th Aug 2025462 AMAQI
20th Aug 2025463 AMAQI
20th Aug 2025484 AMAQI
20th Aug 2025485 AMAQI

29°C26/34°C

20th Aug 2025506 AMAQI
20th Aug 2025517 AMAQI
20th Aug 2025528 AMAQI
20th Aug 2025549 AMAQI
20th Aug 20255410 AMAQI
20th Aug 20255411 AMAQI
20th Aug 20255312 PMAQI
20th Aug 2025521 PMAQI
20th Aug 2025552 PMAQI
20th Aug 2025583 PMAQI
20th Aug 2025574 PMAQI
20th Aug 2025565 PMAQI
20th Aug 2025586 PMAQI
20th Aug 2025507 PMAQI
20th Aug 2025528 PMAQI
20th Aug 2025539 PMAQI
20th Aug 20255410 PMAQI
20th Aug 20254111 PMAQI
21st Aug 20254512 AMAQI
21st Aug 2025481 AMAQI
21st Aug 2025472 AMAQI
21st Aug 2025483 AMAQI
21st Aug 2025494 AMAQI
21st Aug 2025485 AMAQI

31°C24/40°C

21st Aug 2025506 AMAQI
21st Aug 2025527 AMAQI
21st Aug 2025528 AMAQI
21st Aug 2025529 AMAQI
21st Aug 20255310 AMAQI
21st Aug 20255311 AMAQI
21st Aug 20255412 PMAQI
21st Aug 2025541 PMAQI
21st Aug 2025532 PMAQI
21st Aug 2025533 PMAQI
21st Aug 2025534 PMAQI
21st Aug 2025525 PMAQI
21st Aug 2025516 PMAQI
21st Aug 2025507 PMAQI
21st Aug 2025508 PMAQI
21st Aug 2025509 PMAQI
21st Aug 20254910 PMAQI
21st Aug 20254711 PMAQI
22nd Aug 20254712 AMAQI
22nd Aug 2025481 AMAQI
22nd Aug 2025482 AMAQI
22nd Aug 2025493 AMAQI
22nd Aug 2025494 AMAQI
22nd Aug 2025505 AMAQI

31°C24/37°C

22nd Aug 2025516 AMAQI
22nd Aug 2025527 AMAQI
22nd Aug 2025518 AMAQI
22nd Aug 2025499 AMAQI
22nd Aug 20254910 AMAQI
22nd Aug 20255011 AMAQI
22nd Aug 20255212 PMAQI
22nd Aug 2025511 PMAQI
22nd Aug 2025482 PMAQI
22nd Aug 2025493 PMAQI
22nd Aug 2025514 PMAQI
22nd Aug 2025505 PMAQI
22nd Aug 2025476 PMAQI
22nd Aug 2025497 PMAQI
22nd Aug 2025498 PMAQI
22nd Aug 2025499 PMAQI
22nd Aug 20254110 PMAQI
22nd Aug 20253511 PMAQI
23rd Aug 20253712 AMAQI
23rd Aug 2025391 AMAQI
23rd Aug 2025402 AMAQI
23rd Aug 2025413 AMAQI
23rd Aug 2025424 AMAQI
23rd Aug 2025455 AMAQI

30°C25/36°C

23rd Aug 2025456 AMAQI
23rd Aug 2025467 AMAQI
23rd Aug 2025478 AMAQI
23rd Aug 2025499 AMAQI
23rd Aug 20254810 AMAQI
23rd Aug 20254911 AMAQI
23rd Aug 20254712 PMAQI
23rd Aug 2025461 PMAQI
23rd Aug 2025482 PMAQI
23rd Aug 2025483 PMAQI
23rd Aug 2025494 PMAQI
23rd Aug 2025475 PMAQI
23rd Aug 2025426 PMAQI
23rd Aug 2025427 PMAQI
23rd Aug 2025428 PMAQI
23rd Aug 2025399 PMAQI
23rd Aug 20254010 PMAQI
23rd Aug 20254511 PMAQI
24th Aug 20254712 AMAQI
24th Aug 2025491 AMAQI
24th Aug 2025502 AMAQI
24th Aug 2025503 AMAQI
24th Aug 2025504 AMAQI
24th Aug 2025525 AMAQI

28°C23/34°C

24th Aug 2025516 AMAQI
24th Aug 2025517 AMAQI
24th Aug 2025508 AMAQI
24th Aug 2025489 AMAQI
24th Aug 20254710 AMAQI
24th Aug 20254711 AMAQI
24th Aug 20254912 PMAQI
24th Aug 2025481 PMAQI
24th Aug 2025472 PMAQI
24th Aug 2025473 PMAQI
24th Aug 2025474 PMAQI
24th Aug 2025455 PMAQI
24th Aug 2025456 PMAQI
24th Aug 2025457 PMAQI
24th Aug 2025458 PMAQI
24th Aug 2025489 PMAQI
24th Aug 20254710 PMAQI
24th Aug 20254511 PMAQI
25th Aug 20254612 AMAQI
25th Aug 2025471 AMAQI
25th Aug 2025492 AMAQI
25th Aug 2025503 AMAQI
25th Aug 2025514 AMAQI
25th Aug 2025515 AMAQI

30°C24/38°C

25th Aug 2025526 AMAQI
25th Aug 2025527 AMAQI
25th Aug 2025508 AMAQI
25th Aug 2025499 AMAQI
25th Aug 20254910 AMAQI
25th Aug 20255011 AMAQI
25th Aug 20255112 PMAQI
25th Aug 2025501 PMAQI
25th Aug 2025522 PMAQI
25th Aug 2025523 PMAQI
25th Aug 2025554 PMAQI
25th Aug 2025545 PMAQI
25th Aug 2025536 PMAQI
25th Aug 2025507 PMAQI
25th Aug 2025528 PMAQI
25th Aug 2025529 PMAQI
25th Aug 20255110 PMAQI
25th Aug 20255211 PMAQI
26th Aug 20255112 AMAQI
26th Aug 2025501 AMAQI
26th Aug 2025522 AMAQI
26th Aug 2025533 AMAQI
26th Aug 2025534 AMAQI
26th Aug 2025545 AMAQI

29°C24/37°C

26th Aug 2025546 AMAQI
26th Aug 2025557 AMAQI
26th Aug 2025568 AMAQI
26th Aug 2025579 AMAQI
26th Aug 20255810 AMAQI
26th Aug 20255811 AMAQI
26th Aug 20255812 PMAQI
26th Aug 2025591 PMAQI
26th Aug 2025582 PMAQI
26th Aug 2025583 PMAQI
26th Aug 2025584 PMAQI
26th Aug 2025575 PMAQI
26th Aug 2025566 PMAQI
26th Aug 2025537 PMAQI
26th Aug 2025538 PMAQI
26th Aug 2025549 PMAQI
26th Aug 20255310 PMAQI
26th Aug 20253911 PMAQI
27th Aug 20253812 AMAQI
27th Aug 2025401 AMAQI
27th Aug 2025402 AMAQI
27th Aug 2025393 AMAQI
27th Aug 2025424 AMAQI
27th Aug 2025475 AMAQI

29°C25/36°C

27th Aug 2025496 AMAQI
27th Aug 2025507 AMAQI
27th Aug 2025518 AMAQI
27th Aug 2025509 AMAQI
27th Aug 20255110 AMAQI
27th Aug 20255311 AMAQI
27th Aug 20255512 PMAQI
27th Aug 2025571 PMAQI
27th Aug 2025582 PMAQI
27th Aug 2025553 PMAQI
27th Aug 2025534 PMAQI
27th Aug 2025535 PMAQI
27th Aug 2025536 PMAQI
27th Aug 2025497 PMAQI
27th Aug 2025488 PMAQI
27th Aug 2025489 PMAQI
27th Aug 20254810 PMAQI
27th Aug 20254511 PMAQI
28th Aug 20254512 AMAQI
28th Aug 2025451 AMAQI
28th Aug 2025452 AMAQI
28th Aug 2025443 AMAQI
28th Aug 2025424 AMAQI
28th Aug 2025435 AMAQI

29°C26/34°C

28th Aug 2025456 AMAQI
28th Aug 2025487 AMAQI
28th Aug 2025498 AMAQI
28th Aug 2025519 AMAQI
28th Aug 20255210 AMAQI
28th Aug 20255411 AMAQI
28th Aug 20255612 PMAQI
28th Aug 2025581 PMAQI
28th Aug 2025582 PMAQI
28th Aug 2025573 PMAQI
28th Aug 2025564 PMAQI
28th Aug 2025555 PMAQI
28th Aug 2025556 PMAQI
28th Aug 2025497 PMAQI
28th Aug 2025488 PMAQI
28th Aug 2025499 PMAQI
28th Aug 20254910 PMAQI
28th Aug 20255011 PMAQI
29th Aug 20254912 AMAQI
29th Aug 2025471 AMAQI
29th Aug 2025502 AMAQI
29th Aug 2025503 AMAQI
29th Aug 2025504 AMAQI
29th Aug 2025505 AMAQI

29°C25/35°C

29th Aug 2025506 AMAQI
29th Aug 2025507 AMAQI
29th Aug 2025508 AMAQI
29th Aug 2025509 AMAQI
29th Aug 20255010 AMAQI
29th Aug 20255011 AMAQI
29th Aug 20255012 PMAQI
29th Aug 2025501 PMAQI
29th Aug 2025522 PMAQI
29th Aug 2025523 PMAQI
29th Aug 2025534 PMAQI
29th Aug 2025535 PMAQI
29th Aug 2025526 PMAQI
29th Aug 2025517 PMAQI
29th Aug 2025498 PMAQI
29th Aug 2025499 PMAQI
29th Aug 20254910 PMAQI
29th Aug 20254711 PMAQI
30th Aug 20254412 AMAQI
30th Aug 2025431 AMAQI
30th Aug 2025442 AMAQI
30th Aug 2025463 AMAQI
30th Aug 2025474 AMAQI
30th Aug 2025475 AMAQI

30°C24/36°C

30th Aug 2025536 AMAQI
6 AM
30th Aug 2025547 AMAQI
1 PM
8 PM
1 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 6 PM

49AQI

13 hours / Day
390 hours / Month
Avg. Lowest Time
6 AM - 8 PM

48AQI

15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 PM (Avg. 49), while the lowest AQI was between 6 AM to 8 PM (Avg. 48).
Night time
Avg. Highest Time
9 PM - 10 PM

47AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM - 5 AM

45AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 10 PM (Avg. 47), while the lowest AQI was between 12 AM to 5 AM (Avg. 45).

2025 Days Vs Air Quality

Houston, Texas, United States

2025

50%

78

50%

78

Total number of days with different AQI categories in last 242 days in 2025 (123 days remaining)

Good
78 Days
Moderate
78 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 50%

Health Risk Level:

Considerable

In 2025, 50% of 242 days were within WHO’s safe air quality limits, and 50% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Houston, 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
46AQI
28th March 2025
43AQI
29th March 2025
49AQI
30th March 2025
60AQI
31st March 2025
59AQI
1st April 2025
63AQI
2nd April 2025
57AQI
3rd April 2025
59AQI
4th April 2025
58AQI
5th April 2025
55AQI
6th April 2025
31AQI
7th April 2025
32AQI
8th April 2025
53AQI
9th April 2025
45AQI
10th April 2025
37AQI
11th April 2025
43AQI
12th April 2025
54AQI
13th April 2025
38AQI
14th April 2025
39AQI
15th April 2025
46AQI
16th April 2025
54AQI
17th April 2025
41AQI
18th April 2025
49AQI
19th April 2025
58AQI
20th April 2025
58AQI
21st April 2025
46AQI
22nd April 2025
53AQI
23rd April 2025
53AQI
24th April 2025
59AQI
25th April 2025
54AQI
26th April 2025
56AQI
27th April 2025
47AQI
28th April 2025
46AQI
29th April 2025
42AQI
30th April 2025
52AQI
1st May 2025
54AQI
2nd May 2025
48AQI
3rd May 2025
34AQI
4th May 2025
31AQI
5th May 2025
40AQI
6th May 2025
48AQI
7th May 2025
44AQI
8th May 2025
49AQI
9th May 2025
33AQI
10th May 2025
37AQI
11th May 2025
37AQI
12th May 2025
38AQI
13th May 2025
48AQI
14th May 2025
49AQI
15th May 2025
57AQI
16th May 2025
56AQI
17th May 2025
59AQI
18th May 2025
53AQI
19th May 2025
56AQI
20th May 2025
62AQI
21st May 2025
48AQI
22nd May 2025
53AQI
23rd May 2025
51AQI
24th May 2025
51AQI
25th May 2025
58AQI
26th May 2025
53AQI
27th May 2025
40AQI
28th May 2025
43AQI
29th May 2025
43AQI
30th May 2025
50AQI
31st May 2025
48AQI
1st June 2025
54AQI
2nd June 2025
52AQI
3rd June 2025
50AQI
4th June 2025
50AQI
5th June 2025
57AQI
6th June 2025
56AQI
7th June 2025
60AQI
8th June 2025
52AQI
9th June 2025
52AQI
10th June 2025
56AQI
11th June 2025
48AQI
12th June 2025
37AQI
13th June 2025
49AQI
14th June 2025
55AQI
15th June 2025
54AQI
16th June 2025
39AQI
17th June 2025
49AQI
18th June 2025
59AQI
19th June 2025
57AQI
20th June 2025
57AQI
21st June 2025
56AQI
22nd June 2025
56AQI
23rd June 2025
43AQI
24th June 2025
40AQI
25th June 2025
40AQI
26th June 2025
39AQI
27th June 2025
41AQI
28th June 2025
42AQI
29th June 2025
41AQI
30th June 2025
59AQI
1st July 2025
58AQI
2nd July 2025
67AQI
3rd July 2025
60AQI
4th July 2025
54AQI
5th July 2025
70AQI
6th July 2025
64AQI
7th July 2025
61AQI
8th July 2025
54AQI
9th July 2025
48AQI
10th July 2025
54AQI
11th July 2025
54AQI
12th July 2025
45AQI
13th July 2025
40AQI
14th July 2025
42AQI
15th July 2025
51AQI
16th July 2025
58AQI
17th July 2025
58AQI
18th July 2025
54AQI
19th July 2025
47AQI
20th July 2025
47AQI
21st July 2025
45AQI
22nd July 2025
42AQI
23rd July 2025
41AQI
24th July 2025
39AQI
25th July 2025
39AQI
26th July 2025
40AQI
27th July 2025
43AQI
28th July 2025
55AQI
29th July 2025
59AQI
30th July 2025
62AQI
31st July 2025
57AQI
1st August 2025
52AQI
2nd August 2025
45AQI
3rd August 2025
52AQI
4th August 2025
52AQI
5th August 2025
54AQI
6th August 2025
46AQI
7th August 2025
40AQI
8th August 2025
42AQI
9th August 2025
44AQI
10th August 2025
41AQI
11th August 2025
44AQI
12th August 2025
50AQI
13th August 2025
47AQI
14th August 2025
43AQI
15th August 2025
47AQI
16th August 2025
44AQI
17th August 2025
54AQI
18th August 2025
48AQI
19th August 2025
53AQI
20th August 2025
57AQI
21st August 2025
57AQI
22nd August 2025
53AQI
23rd August 2025
46AQI
24th August 2025
50AQI
25th August 2025
55AQI
26th August 2025
59AQI
27th August 2025
51AQI
28th August 2025
52AQI
29th August 2025
53AQI
30th August 2025
31st August 2025
1st September 2025
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

51AQI

49AQI

47AQI

50AQI

52AQI

49AQI


No. of days

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

202550AQI

3
2
14
16
19
12
14
16
13
18
15
14
78
78

Highest AQI recorded in

July

52AQI


Lowest AQI recorded in

May

47AQI


Most & Least Polluted Years Over the Last 1 Years

Most Polluted Year Recorded
2025(Avg.)
50AQI
Least Polluted Year Recorded
2025(Avg.)
50AQI


Houston's annual 2025 AQI (50) shows an average percentage change of NaN% (improved AQI) compared to previous years: .