Harlingen, 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
Harlingen, Texas, United States
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2026
67AQILowest AQI recorded on
12th Aug 2025
27AQISame Day Analysis (4th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 67 of Moderate air quality on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Harlingen, Texas, United States
AQI
Day
Night
.
6 AM4th Aug 2026
8 PM
5 AM5th Aug 2026
Day time
Avg. Highest Time
1PM4th Aug
83AQI
Avg. Lowest Time
8PM4th Aug
60AQI
Night time
Avg. Highest Time
10PM4th Aug
58AQI
Avg. Lowest Time
5AM5th Aug
56AQI
In the last 24 hours,
Harlingen's AQI reached its highest point of 83 at 1 PM during the Day, while the lowest point, 56, was recorded at 5 AM during the Night between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Harlingen, Texas, United States
JulAug
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
7th Jul 2026266 AMAQI
7th Jul 2026327 AMAQI
7th Jul 2026328 AMAQI
7th Jul 2026339 AMAQI
7th Jul 20263210 AMAQI
7th Jul 20263311 AMAQI
7th Jul 20263612 PMAQI
7th Jul 2026401 PMAQI
7th Jul 2026362 PMAQI
7th Jul 2026363 PMAQI
7th Jul 2026344 PMAQI
7th Jul 2026305 PMAQI
7th Jul 2026466 PMAQI
7th Jul 2026307 PMAQI
7th Jul 2026258 PMAQI
7th Jul 2026309 PMAQI
7th Jul 20262810 PMAQI
7th Jul 20263011 PMAQI
8th Jul 20263212 AMAQI
8th Jul 2026321 AMAQI
8th Jul 2026332 AMAQI
8th Jul 2026323 AMAQI
8th Jul 2026304 AMAQI
8th Jul 2026285 AMAQI
31°C25/37°C
8th Jul 2026286 AMAQI
8th Jul 2026327 AMAQI
8th Jul 2026288 AMAQI
8th Jul 2026429 AMAQI
8th Jul 20263210 AMAQI
8th Jul 20263211 AMAQI
8th Jul 20263112 PMAQI
8th Jul 2026301 PMAQI
8th Jul 2026302 PMAQI
8th Jul 2026313 PMAQI
8th Jul 2026334 PMAQI
8th Jul 2026305 PMAQI
8th Jul 2026286 PMAQI
8th Jul 2026267 PMAQI
8th Jul 2026268 PMAQI
8th Jul 2026269 PMAQI
8th Jul 20262410 PMAQI
8th Jul 20262211 PMAQI
9th Jul 20262612 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026222 AMAQI
9th Jul 2026263 AMAQI
9th Jul 2026284 AMAQI
9th Jul 2026285 AMAQI
31°C25/38°C
9th Jul 2026286 AMAQI
9th Jul 2026247 AMAQI
9th Jul 2026288 AMAQI
9th Jul 2026319 AMAQI
9th Jul 20263110 AMAQI
9th Jul 20263011 AMAQI
9th Jul 20263012 PMAQI
9th Jul 2026421 PMAQI
9th Jul 2026382 PMAQI
9th Jul 2026443 PMAQI
9th Jul 2026484 PMAQI
9th Jul 2026445 PMAQI
9th Jul 2026486 PMAQI
9th Jul 2026407 PMAQI
9th Jul 2026378 PMAQI
9th Jul 2026279 PMAQI
9th Jul 20262810 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262412 AMAQI
10th Jul 2026301 AMAQI
10th Jul 2026342 AMAQI
10th Jul 2026323 AMAQI
10th Jul 2026244 AMAQI
10th Jul 2026245 AMAQI
29°C23/34°C
10th Jul 2026266 AMAQI
10th Jul 2026247 AMAQI
10th Jul 2026258 AMAQI
10th Jul 2026359 AMAQI
10th Jul 20263110 AMAQI
10th Jul 20262011 AMAQI
10th Jul 20262312 PMAQI
10th Jul 2026261 PMAQI
10th Jul 2026262 PMAQI
10th Jul 2026293 PMAQI
10th Jul 2026484 PMAQI
10th Jul 2026265 PMAQI
10th Jul 2026246 PMAQI
10th Jul 2026247 PMAQI
10th Jul 2026268 PMAQI
10th Jul 2026299 PMAQI
10th Jul 20263410 PMAQI
10th Jul 20263111 PMAQI
11th Jul 20263412 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026382 AMAQI
11th Jul 2026343 AMAQI
11th Jul 2026384 AMAQI
11th Jul 2026425 AMAQI
28°C24/34°C
11th Jul 2026446 AMAQI
11th Jul 2026447 AMAQI
11th Jul 2026348 AMAQI
11th Jul 2026359 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20263011 AMAQI
11th Jul 20263212 PMAQI
11th Jul 2026411 PMAQI
11th Jul 2026382 PMAQI
11th Jul 2026353 PMAQI
11th Jul 2026354 PMAQI
11th Jul 2026385 PMAQI
11th Jul 2026346 PMAQI
11th Jul 2026377 PMAQI
11th Jul 2026468 PMAQI
11th Jul 2026479 PMAQI
11th Jul 20264710 PMAQI
11th Jul 20264411 PMAQI
12th Jul 20264412 AMAQI
12th Jul 2026431 AMAQI
12th Jul 2026342 AMAQI
12th Jul 2026463 AMAQI
12th Jul 2026444 AMAQI
12th Jul 2026385 AMAQI
31°C25/37°C
12th Jul 2026406 AMAQI
12th Jul 2026407 AMAQI
12th Jul 2026498 AMAQI
12th Jul 2026369 AMAQI
12th Jul 20263610 AMAQI
12th Jul 20263211 AMAQI
12th Jul 20263012 PMAQI
12th Jul 2026321 PMAQI
12th Jul 2026272 PMAQI
12th Jul 2026283 PMAQI
12th Jul 2026254 PMAQI
12th Jul 2026205 PMAQI
12th Jul 2026196 PMAQI
12th Jul 2026187 PMAQI
12th Jul 2026178 PMAQI
12th Jul 2026189 PMAQI
12th Jul 20261810 PMAQI
12th Jul 20261811 PMAQI
13th Jul 20261812 AMAQI
13th Jul 2026161 AMAQI
13th Jul 2026192 AMAQI
13th Jul 2026263 AMAQI
13th Jul 2026234 AMAQI
13th Jul 2026245 AMAQI
31°C26/39°C
13th Jul 2026226 AMAQI
13th Jul 2026227 AMAQI
13th Jul 2026208 AMAQI
13th Jul 2026389 AMAQI
13th Jul 20262410 AMAQI
13th Jul 20263511 AMAQI
13th Jul 20264712 PMAQI
13th Jul 2026521 PMAQI
13th Jul 2026562 PMAQI
13th Jul 2026583 PMAQI
13th Jul 2026664 PMAQI
13th Jul 2026635 PMAQI
13th Jul 2026616 PMAQI
13th Jul 2026677 PMAQI
13th Jul 2026608 PMAQI
13th Jul 2026629 PMAQI
13th Jul 20266210 PMAQI
13th Jul 20266011 PMAQI
14th Jul 20266112 AMAQI
14th Jul 2026591 AMAQI
14th Jul 2026642 AMAQI
14th Jul 2026743 AMAQI
14th Jul 2026604 AMAQI
14th Jul 2026625 AMAQI
31°C26/39°C
14th Jul 2026626 AMAQI
14th Jul 2026587 AMAQI
14th Jul 2026608 AMAQI
14th Jul 2026609 AMAQI
14th Jul 20266010 AMAQI
14th Jul 20266211 AMAQI
14th Jul 20266712 PMAQI
14th Jul 2026661 PMAQI
14th Jul 2026712 PMAQI
14th Jul 2026693 PMAQI
14th Jul 2026714 PMAQI
14th Jul 2026705 PMAQI
14th Jul 2026726 PMAQI
14th Jul 2026797 PMAQI
14th Jul 2026788 PMAQI
14th Jul 2026779 PMAQI
14th Jul 20267210 PMAQI
14th Jul 20266711 PMAQI
15th Jul 20266512 AMAQI
15th Jul 2026671 AMAQI
15th Jul 2026632 AMAQI
15th Jul 2026493 AMAQI
15th Jul 2026544 AMAQI
15th Jul 2026555 AMAQI
31°C26/38°C
15th Jul 2026506 AMAQI
15th Jul 2026527 AMAQI
15th Jul 2026568 AMAQI
15th Jul 2026539 AMAQI
15th Jul 20265510 AMAQI
15th Jul 20265611 AMAQI
15th Jul 20265812 PMAQI
15th Jul 2026561 PMAQI
15th Jul 2026702 PMAQI
15th Jul 2026583 PMAQI
15th Jul 2026574 PMAQI
15th Jul 2026615 PMAQI
15th Jul 2026626 PMAQI
15th Jul 2026587 PMAQI
15th Jul 2026648 PMAQI
15th Jul 2026599 PMAQI
15th Jul 20266210 PMAQI
15th Jul 20266111 PMAQI
16th Jul 20266012 AMAQI
16th Jul 2026551 AMAQI
16th Jul 2026562 AMAQI
16th Jul 2026523 AMAQI
16th Jul 2026514 AMAQI
16th Jul 2026585 AMAQI
31°C27/37°C
16th Jul 2026526 AMAQI
16th Jul 2026517 AMAQI
16th Jul 2026508 AMAQI
16th Jul 2026519 AMAQI
16th Jul 20265110 AMAQI
16th Jul 20265111 AMAQI
16th Jul 20265312 PMAQI
16th Jul 2026521 PMAQI
16th Jul 2026582 PMAQI
16th Jul 2026543 PMAQI
16th Jul 2026544 PMAQI
16th Jul 2026545 PMAQI
16th Jul 2026546 PMAQI
16th Jul 2026537 PMAQI
16th Jul 2026558 PMAQI
16th Jul 2026529 PMAQI
16th Jul 20264910 PMAQI
16th Jul 20264211 PMAQI
17th Jul 20263312 AMAQI
17th Jul 2026301 AMAQI
17th Jul 2026262 AMAQI
17th Jul 2026443 AMAQI
17th Jul 2026404 AMAQI
17th Jul 2026465 AMAQI
31°C27/36°C
17th Jul 2026446 AMAQI
17th Jul 2026467 AMAQI
17th Jul 2026408 AMAQI
17th Jul 2026509 AMAQI
17th Jul 20265010 AMAQI
17th Jul 20265011 AMAQI
17th Jul 20265112 PMAQI
17th Jul 2026531 PMAQI
17th Jul 2026572 PMAQI
17th Jul 2026593 PMAQI
17th Jul 2026634 PMAQI
17th Jul 2026685 PMAQI
17th Jul 2026716 PMAQI
17th Jul 2026647 PMAQI
17th Jul 2026568 PMAQI
17th Jul 2026639 PMAQI
17th Jul 20266310 PMAQI
17th Jul 20266011 PMAQI
18th Jul 20266212 AMAQI
18th Jul 2026621 AMAQI
18th Jul 2026602 AMAQI
18th Jul 2026603 AMAQI
18th Jul 2026594 AMAQI
18th Jul 2026605 AMAQI
31°C26/38°C
18th Jul 2026606 AMAQI
18th Jul 2026607 AMAQI
18th Jul 2026608 AMAQI
18th Jul 2026649 AMAQI
18th Jul 20266410 AMAQI
18th Jul 20266611 AMAQI
18th Jul 20267412 PMAQI
18th Jul 2026801 PMAQI
18th Jul 2026742 PMAQI
18th Jul 2026723 PMAQI
18th Jul 2026754 PMAQI
18th Jul 2026735 PMAQI
18th Jul 2026696 PMAQI
18th Jul 2026737 PMAQI
18th Jul 2026718 PMAQI
18th Jul 2026709 PMAQI
18th Jul 20266810 PMAQI
18th Jul 20266411 PMAQI
19th Jul 20266212 AMAQI
19th Jul 2026621 AMAQI
19th Jul 2026592 AMAQI
19th Jul 2026623 AMAQI
19th Jul 2026654 AMAQI
19th Jul 2026665 AMAQI
32°C26/39°C
19th Jul 2026656 AMAQI
19th Jul 2026667 AMAQI
19th Jul 2026678 AMAQI
19th Jul 2026699 AMAQI
19th Jul 20266810 AMAQI
19th Jul 20267111 AMAQI
19th Jul 20267412 PMAQI
19th Jul 2026741 PMAQI
19th Jul 2026732 PMAQI
19th Jul 2026753 PMAQI
19th Jul 2026834 PMAQI
19th Jul 2026785 PMAQI
19th Jul 2026836 PMAQI
19th Jul 2026767 PMAQI
19th Jul 2026738 PMAQI
19th Jul 2026749 PMAQI
19th Jul 20267410 PMAQI
19th Jul 20266411 PMAQI
20th Jul 20266712 AMAQI
20th Jul 2026641 AMAQI
20th Jul 2026662 AMAQI
20th Jul 2026653 AMAQI
20th Jul 2026674 AMAQI
20th Jul 2026625 AMAQI
32°C26/40°C
20th Jul 2026676 AMAQI
20th Jul 2026627 AMAQI
20th Jul 2026628 AMAQI
20th Jul 2026659 AMAQI
20th Jul 20265810 AMAQI
20th Jul 20266011 AMAQI
20th Jul 20266312 PMAQI
20th Jul 2026671 PMAQI
20th Jul 2026712 PMAQI
20th Jul 2026663 PMAQI
20th Jul 2026654 PMAQI
20th Jul 2026665 PMAQI
20th Jul 2026626 PMAQI
20th Jul 2026607 PMAQI
20th Jul 2026598 PMAQI
20th Jul 2026599 PMAQI
20th Jul 20265711 PMAQI
21st Jul 20265312 AMAQI
21st Jul 2026531 AMAQI
21st Jul 2026562 AMAQI
21st Jul 2026593 AMAQI
21st Jul 2026604 AMAQI
21st Jul 2026545 AMAQI
32°C25/40°C
21st Jul 2026546 AMAQI
21st Jul 2026567 AMAQI
21st Jul 2026578 AMAQI
21st Jul 2026609 AMAQI
21st Jul 20266210 AMAQI
21st Jul 20267011 AMAQI
21st Jul 20267212 PMAQI
21st Jul 2026761 PMAQI
21st Jul 2026742 PMAQI
21st Jul 2026723 PMAQI
21st Jul 2026684 PMAQI
21st Jul 2026675 PMAQI
21st Jul 2026686 PMAQI
21st Jul 2026677 PMAQI
21st Jul 2026578 PMAQI
21st Jul 2026579 PMAQI
21st Jul 20266010 PMAQI
21st Jul 20265611 PMAQI
22nd Jul 20266012 AMAQI
22nd Jul 2026661 AMAQI
22nd Jul 2026622 AMAQI
22nd Jul 2026653 AMAQI
22nd Jul 2026654 AMAQI
22nd Jul 2026655 AMAQI
32°C25/42°C
22nd Jul 2026646 AMAQI
22nd Jul 2026607 AMAQI
22nd Jul 2026638 AMAQI
22nd Jul 2026649 AMAQI
22nd Jul 20266210 AMAQI
22nd Jul 20266611 AMAQI
22nd Jul 20266912 PMAQI
22nd Jul 2026761 PMAQI
22nd Jul 2026932 PMAQI
22nd Jul 2026763 PMAQI
22nd Jul 2026714 PMAQI
22nd Jul 2026765 PMAQI
22nd Jul 2026736 PMAQI
22nd Jul 2026687 PMAQI
22nd Jul 2026678 PMAQI
22nd Jul 2026699 PMAQI
22nd Jul 20266710 PMAQI
22nd Jul 20266011 PMAQI
23rd Jul 20266212 AMAQI
23rd Jul 2026601 AMAQI
23rd Jul 2026632 AMAQI
23rd Jul 2026603 AMAQI
23rd Jul 2026544 AMAQI
23rd Jul 2026565 AMAQI
32°C25/43°C
23rd Jul 2026566 AMAQI
23rd Jul 2026537 AMAQI
23rd Jul 2026568 AMAQI
23rd Jul 2026579 AMAQI
23rd Jul 20265910 AMAQI
23rd Jul 20265811 AMAQI
23rd Jul 20265712 PMAQI
23rd Jul 2026661 PMAQI
23rd Jul 2026702 PMAQI
23rd Jul 2026703 PMAQI
23rd Jul 2026744 PMAQI
23rd Jul 2026705 PMAQI
23rd Jul 2026726 PMAQI
23rd Jul 2026697 PMAQI
23rd Jul 2026668 PMAQI
23rd Jul 2026669 PMAQI
23rd Jul 20267010 PMAQI
23rd Jul 20267111 PMAQI
24th Jul 20266712 AMAQI
24th Jul 2026641 AMAQI
24th Jul 2026622 AMAQI
24th Jul 2026603 AMAQI
24th Jul 2026604 AMAQI
24th Jul 2026605 AMAQI
31°C27/38°C
24th Jul 2026596 AMAQI
24th Jul 2026597 AMAQI
24th Jul 2026588 AMAQI
24th Jul 2026609 AMAQI
24th Jul 20266010 AMAQI
24th Jul 20266711 AMAQI
24th Jul 20266712 PMAQI
24th Jul 2026661 PMAQI
24th Jul 2026702 PMAQI
24th Jul 2026713 PMAQI
24th Jul 2026694 PMAQI
24th Jul 2026685 PMAQI
24th Jul 2026716 PMAQI
24th Jul 2026687 PMAQI
24th Jul 2026688 PMAQI
24th Jul 2026709 PMAQI
24th Jul 20266810 PMAQI
24th Jul 20266611 PMAQI
25th Jul 20266512 AMAQI
25th Jul 2026651 AMAQI
25th Jul 2026632 AMAQI
25th Jul 2026643 AMAQI
25th Jul 2026654 AMAQI
25th Jul 2026595 AMAQI
31°C25/38°C
25th Jul 2026606 AMAQI
25th Jul 2026577 AMAQI
25th Jul 2026578 AMAQI
25th Jul 2026599 AMAQI
25th Jul 20265510 AMAQI
25th Jul 20266011 AMAQI
25th Jul 20266412 PMAQI
25th Jul 2026641 PMAQI
25th Jul 2026642 PMAQI
25th Jul 2026633 PMAQI
25th Jul 2026594 PMAQI
25th Jul 2026585 PMAQI
25th Jul 2026566 PMAQI
25th Jul 2026567 PMAQI
25th Jul 2026558 PMAQI
25th Jul 2026539 PMAQI
25th Jul 20265610 PMAQI
25th Jul 20265611 PMAQI
26th Jul 20265612 AMAQI
26th Jul 2026551 AMAQI
26th Jul 2026542 AMAQI
26th Jul 2026523 AMAQI
26th Jul 2026504 AMAQI
26th Jul 2026485 AMAQI
31°C25/39°C
26th Jul 2026566 AMAQI
26th Jul 2026557 AMAQI
26th Jul 2026528 AMAQI
26th Jul 2026519 AMAQI
26th Jul 20264210 AMAQI
26th Jul 20264611 AMAQI
26th Jul 20264212 PMAQI
26th Jul 2026521 PMAQI
26th Jul 2026442 PMAQI
26th Jul 2026463 PMAQI
26th Jul 2026424 PMAQI
26th Jul 2026485 PMAQI
26th Jul 2026466 PMAQI
26th Jul 2026467 PMAQI
26th Jul 2026448 PMAQI
26th Jul 2026449 PMAQI
26th Jul 20264210 PMAQI
26th Jul 20264211 PMAQI
27th Jul 20265312 AMAQI
27th Jul 2026421 AMAQI
27th Jul 2026462 AMAQI
27th Jul 2026443 AMAQI
27th Jul 2026444 AMAQI
27th Jul 2026445 AMAQI
31°C25/39°C
27th Jul 2026446 AMAQI
27th Jul 2026507 AMAQI
27th Jul 2026448 AMAQI
27th Jul 2026429 AMAQI
27th Jul 20263810 AMAQI
27th Jul 20265311 AMAQI
27th Jul 20265412 PMAQI
27th Jul 2026521 PMAQI
27th Jul 2026562 PMAQI
27th Jul 2026603 PMAQI
27th Jul 2026624 PMAQI
27th Jul 2026575 PMAQI
27th Jul 2026536 PMAQI
27th Jul 2026547 PMAQI
27th Jul 2026578 PMAQI
27th Jul 2026569 PMAQI
27th Jul 20265610 PMAQI
27th Jul 20265411 PMAQI
28th Jul 20265412 AMAQI
28th Jul 2026441 AMAQI
28th Jul 2026482 AMAQI
28th Jul 2026483 AMAQI
28th Jul 2026464 AMAQI
28th Jul 2026515 AMAQI
32°C25/40°C
28th Jul 2026536 AMAQI
28th Jul 2026537 AMAQI
28th Jul 2026548 AMAQI
28th Jul 2026559 AMAQI
28th Jul 20265910 AMAQI
28th Jul 20266211 AMAQI
28th Jul 20266412 PMAQI
28th Jul 2026691 PMAQI
28th Jul 2026702 PMAQI
28th Jul 2026703 PMAQI
28th Jul 2026714 PMAQI
28th Jul 2026695 PMAQI
28th Jul 2026766 PMAQI
28th Jul 2026727 PMAQI
28th Jul 2026648 PMAQI
28th Jul 2026639 PMAQI
28th Jul 20266510 PMAQI
28th Jul 20266011 PMAQI
29th Jul 20265612 AMAQI
29th Jul 2026571 AMAQI
29th Jul 2026532 AMAQI
29th Jul 2026513 AMAQI
29th Jul 2026514 AMAQI
29th Jul 2026405 AMAQI
32°C27/39°C
29th Jul 2026506 AMAQI
29th Jul 2026487 AMAQI
29th Jul 2026488 AMAQI
29th Jul 2026509 AMAQI
29th Jul 20264410 AMAQI
29th Jul 20264611 AMAQI
29th Jul 20265112 PMAQI
29th Jul 2026531 PMAQI
29th Jul 2026552 PMAQI
29th Jul 2026563 PMAQI
29th Jul 2026534 PMAQI
29th Jul 2026535 PMAQI
29th Jul 2026546 PMAQI
29th Jul 2026557 PMAQI
29th Jul 2026528 PMAQI
29th Jul 2026539 PMAQI
29th Jul 20265610 PMAQI
29th Jul 20265311 PMAQI
30th Jul 20264912 AMAQI
30th Jul 2026521 AMAQI
30th Jul 2026462 AMAQI
30th Jul 2026483 AMAQI
30th Jul 2026464 AMAQI
30th Jul 2026445 AMAQI
32°C28/40°C
30th Jul 2026506 AMAQI
30th Jul 2026467 AMAQI
30th Jul 2026548 AMAQI
30th Jul 2026539 AMAQI
30th Jul 20265610 AMAQI
30th Jul 20266011 AMAQI
30th Jul 20266012 PMAQI
30th Jul 2026571 PMAQI
30th Jul 2026662 PMAQI
30th Jul 2026603 PMAQI
30th Jul 2026544 PMAQI
30th Jul 2026525 PMAQI
30th Jul 2026496 PMAQI
30th Jul 2026507 PMAQI
30th Jul 2026468 PMAQI
30th Jul 2026489 PMAQI
30th Jul 20265110 PMAQI
30th Jul 20264611 PMAQI
31st Jul 20265012 AMAQI
31st Jul 2026461 AMAQI
31st Jul 2026492 AMAQI
31st Jul 2026493 AMAQI
31st Jul 2026464 AMAQI
31st Jul 2026445 AMAQI
32°C27/40°C
31st Jul 2026466 AMAQI
31st Jul 2026467 AMAQI
31st Jul 2026508 AMAQI
31st Jul 2026509 AMAQI
31st Jul 20264210 AMAQI
31st Jul 20264811 AMAQI
31st Jul 20265112 PMAQI
31st Jul 2026481 PMAQI
31st Jul 2026502 PMAQI
31st Jul 2026483 PMAQI
31st Jul 2026464 PMAQI
31st Jul 2026485 PMAQI
31st Jul 2026566 PMAQI
31st Jul 2026557 PMAQI
31st Jul 2026528 PMAQI
31st Jul 2026519 PMAQI
31st Jul 20265110 PMAQI
31st Jul 20265511 PMAQI
1st Aug 20265212 AMAQI
1st Aug 2026481 AMAQI
1st Aug 2026422 AMAQI
1st Aug 2026423 AMAQI
1st Aug 2026464 AMAQI
1st Aug 2026505 AMAQI
32°C26/40°C
1st Aug 2026446 AMAQI
1st Aug 2026507 AMAQI
1st Aug 2026388 AMAQI
1st Aug 2026409 AMAQI
1st Aug 20264210 AMAQI
1st Aug 20264411 AMAQI
1st Aug 20265312 PMAQI
1st Aug 2026531 PMAQI
1st Aug 2026522 PMAQI
1st Aug 2026513 PMAQI
1st Aug 2026484 PMAQI
1st Aug 2026515 PMAQI
1st Aug 2026466 PMAQI
1st Aug 2026487 PMAQI
1st Aug 2026428 PMAQI
1st Aug 2026469 PMAQI
1st Aug 20264010 PMAQI
1st Aug 20264411 PMAQI
2nd Aug 20265012 AMAQI
2nd Aug 2026461 AMAQI
2nd Aug 2026422 AMAQI
2nd Aug 2026463 AMAQI
2nd Aug 2026444 AMAQI
2nd Aug 2026425 AMAQI
33°C26/40°C
2nd Aug 2026406 AMAQI
2nd Aug 2026467 AMAQI
2nd Aug 2026428 AMAQI
2nd Aug 2026449 AMAQI
2nd Aug 20264410 AMAQI
2nd Aug 20265111 AMAQI
2nd Aug 20265212 PMAQI
2nd Aug 2026561 PMAQI
2nd Aug 2026572 PMAQI
2nd Aug 2026593 PMAQI
2nd Aug 2026584 PMAQI
2nd Aug 2026555 PMAQI
2nd Aug 2026546 PMAQI
2nd Aug 2026527 PMAQI
2nd Aug 2026518 PMAQI
2nd Aug 2026529 PMAQI
2nd Aug 20265010 PMAQI
2nd Aug 20264211 PMAQI
3rd Aug 20265112 AMAQI
3rd Aug 2026511 AMAQI
3rd Aug 2026572 AMAQI
3rd Aug 2026503 AMAQI
3rd Aug 2026534 AMAQI
3rd Aug 2026575 AMAQI
32°C27/38°C
3rd Aug 2026546 AMAQI
3rd Aug 2026527 AMAQI
3rd Aug 2026518 AMAQI
3rd Aug 2026569 AMAQI
3rd Aug 20265610 AMAQI
3rd Aug 20265011 AMAQI
3rd Aug 20265412 PMAQI
3rd Aug 2026591 PMAQI
3rd Aug 2026652 PMAQI
3rd Aug 2026723 PMAQI
3rd Aug 2026694 PMAQI
3rd Aug 2026695 PMAQI
3rd Aug 2026706 PMAQI
3rd Aug 2026737 PMAQI
3rd Aug 2026668 PMAQI
3rd Aug 2026689 PMAQI
3rd Aug 20267010 PMAQI
3rd Aug 20266511 PMAQI
4th Aug 20266612 AMAQI
4th Aug 2026661 AMAQI
4th Aug 2026692 AMAQI
4th Aug 2026683 AMAQI
4th Aug 2026674 AMAQI
4th Aug 2026675 AMAQI
31°C24/40°C
4th Aug 2026676 AMAQI
4th Aug 2026687 AMAQI
4th Aug 2026628 AMAQI
4th Aug 2026659 AMAQI
4th Aug 20266310 AMAQI
4th Aug 20266811 AMAQI
4th Aug 20267112 PMAQI
4th Aug 2026831 PMAQI
4th Aug 2026782 PMAQI
4th Aug 2026763 PMAQI
4th Aug 2026724 PMAQI
4th Aug 2026685 PMAQI
4th Aug 2026706 PMAQI
4th Aug 2026647 PMAQI
4th Aug 2026608 PMAQI
4th Aug 2026569 PMAQI
4th Aug 20265810 PMAQI
4th Aug 20265611 PMAQI
5th Aug 20265712 AMAQI
5th Aug 2026571 AMAQI
5th Aug 2026582 AMAQI
5th Aug 2026583 AMAQI
5th Aug 2026574 AMAQI
5th Aug 2026565 AMAQI
32°C27/39°C
5th Aug 2026556 AMAQI
6 AM5th Aug 2026547 AMAQI
5th Aug 2026538 AMAQI
5th Aug 2026489 AMAQI
5th Aug 20264610 AMAQI
5th Aug 20264811 AMAQI
5th Aug 20264812 PMAQI
5th Aug 2026561 PMAQI
1 PM5th Aug 2026442 PMAQI
5th Aug 2026423 PMAQI
5th Aug 2026404 PMAQI
5th Aug 2026505 PMAQI
5th Aug 2026426 PMAQI
5th Aug 2026527 PMAQI
5th Aug 2026518 PMAQI
8 PM5th Aug 2026549 PMAQI
5th Aug 20265010 PMAQI
5th Aug 20264911 PMAQI
1 AM
5 AM
31°C27/37°C
Day time
Avg. Highest Time
1 PM - 7 PM
57AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
6 AM - 8 AM
49AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 7 PM (Avg. 57), while the lowest AQI was between 6 AM to 8 AM (Avg. 49).
Night time
Avg. Highest Time
9 PM - 10 PM
53AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM - 5 AM
50AQI
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. 53), while the lowest AQI was between 12 AM to 5 AM (Avg. 50).
2026 Days Vs Air Quality
Harlingen, Texas, United States
2026
80%
171
19%
41
0.4%
1
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Good
171 DaysModerate
41 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2026, 80% of 217 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
Harlingen, 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
60AQI (US)
60AQI (US)
2nd January 2026
42AQI (US)
42AQI (US)
3rd January 2026
67AQI (US)
67AQI (US)
4th January 2026
50AQI (US)
50AQI (US)
5th January 2026
53AQI (US)
53AQI (US)
6th January 2026
87AQI (US)
87AQI (US)
7th January 2026
74AQI (US)
74AQI (US)
8th January 2026
68AQI (US)
68AQI (US)
9th January 2026
106AQI (US)
106AQI (US)
10th January 2026
71AQI (US)
71AQI (US)
11th January 2026
15AQI (US)
15AQI (US)
12th January 2026
19AQI (US)
19AQI (US)
13th January 2026
25AQI (US)
25AQI (US)
14th January 2026
25AQI (US)
25AQI (US)
15th January 2026
29AQI (US)
29AQI (US)
16th January 2026
41AQI (US)
41AQI (US)
17th January 2026
38AQI (US)
38AQI (US)
18th January 2026
33AQI (US)
33AQI (US)
19th January 2026
65AQI (US)
65AQI (US)
20th January 2026
33AQI (US)
33AQI (US)
21st January 2026
41AQI (US)
41AQI (US)
22nd January 2026
35AQI (US)
35AQI (US)
23rd January 2026
30AQI (US)
30AQI (US)
24th January 2026
25AQI (US)
25AQI (US)
25th January 2026
51AQI (US)
51AQI (US)
26th January 2026
26AQI (US)
26AQI (US)
27th January 2026
23AQI (US)
23AQI (US)
28th January 2026
28AQI (US)
28AQI (US)
29th January 2026
32AQI (US)
32AQI (US)
30th January 2026
42AQI (US)
42AQI (US)
31st January 2026
31AQI (US)
31AQI (US)
1st February 2026
29AQI (US)
29AQI (US)
2nd February 2026
34AQI (US)
34AQI (US)
3rd February 2026
34AQI (US)
34AQI (US)
4th February 2026
29AQI (US)
29AQI (US)
5th February 2026
29AQI (US)
29AQI (US)
6th February 2026
42AQI (US)
42AQI (US)
7th February 2026
33AQI (US)
33AQI (US)
8th February 2026
28AQI (US)
28AQI (US)
9th February 2026
34AQI (US)
34AQI (US)
10th February 2026
34AQI (US)
34AQI (US)
11th February 2026
29AQI (US)
29AQI (US)
12th February 2026
34AQI (US)
34AQI (US)
13th February 2026
41AQI (US)
41AQI (US)
14th February 2026
55AQI (US)
55AQI (US)
15th February 2026
38AQI (US)
38AQI (US)
16th February 2026
43AQI (US)
43AQI (US)
17th February 2026
52AQI (US)
52AQI (US)
18th February 2026
43AQI (US)
43AQI (US)
19th February 2026
63AQI (US)
63AQI (US)
20th February 2026
54AQI (US)
54AQI (US)
21st February 2026
46AQI (US)
46AQI (US)
22nd February 2026
55AQI (US)
55AQI (US)
23rd February 2026
39AQI (US)
39AQI (US)
24th February 2026
36AQI (US)
36AQI (US)
25th February 2026
38AQI (US)
38AQI (US)
26th February 2026
40AQI (US)
40AQI (US)
27th February 2026
38AQI (US)
38AQI (US)
28th February 2026
39AQI (US)
39AQI (US)
1st March 2026
42AQI (US)
42AQI (US)
2nd March 2026
44AQI (US)
44AQI (US)
3rd March 2026
43AQI (US)
43AQI (US)
4th March 2026
39AQI (US)
39AQI (US)
5th March 2026
40AQI (US)
40AQI (US)
6th March 2026
40AQI (US)
40AQI (US)
7th March 2026
43AQI (US)
43AQI (US)
8th March 2026
33AQI (US)
33AQI (US)
9th March 2026
31AQI (US)
31AQI (US)
10th March 2026
47AQI (US)
47AQI (US)
11th March 2026
31AQI (US)
31AQI (US)
12th March 2026
30AQI (US)
30AQI (US)
13th March 2026
29AQI (US)
29AQI (US)
14th March 2026
32AQI (US)
32AQI (US)
15th March 2026
37AQI (US)
37AQI (US)
16th March 2026
65AQI (US)
65AQI (US)
17th March 2026
28AQI (US)
28AQI (US)
18th March 2026
30AQI (US)
30AQI (US)
19th March 2026
34AQI (US)
34AQI (US)
20th March 2026
30AQI (US)
30AQI (US)
21st March 2026
27AQI (US)
27AQI (US)
22nd March 2026
26AQI (US)
26AQI (US)
23rd March 2026
39AQI (US)
39AQI (US)
24th March 2026
28AQI (US)
28AQI (US)
25th March 2026
37AQI (US)
37AQI (US)
26th March 2026
32AQI (US)
32AQI (US)
27th March 2026
28AQI (US)
28AQI (US)
28th March 2026
23AQI (US)
23AQI (US)
29th March 2026
35AQI (US)
35AQI (US)
30th March 2026
46AQI (US)
46AQI (US)
31st March 2026
34AQI (US)
34AQI (US)
1st April 2026
34AQI (US)
34AQI (US)
2nd April 2026
43AQI (US)
43AQI (US)
3rd April 2026
36AQI (US)
36AQI (US)
4th April 2026
30AQI (US)
30AQI (US)
5th April 2026
32AQI (US)
32AQI (US)
6th April 2026
24AQI (US)
24AQI (US)
7th April 2026
24AQI (US)
24AQI (US)
8th April 2026
29AQI (US)
29AQI (US)
9th April 2026
22AQI (US)
22AQI (US)
10th April 2026
28AQI (US)
28AQI (US)
11th April 2026
32AQI (US)
32AQI (US)
12th April 2026
27AQI (US)
27AQI (US)
13th April 2026
29AQI (US)
29AQI (US)
14th April 2026
28AQI (US)
28AQI (US)
15th April 2026
36AQI (US)
36AQI (US)
16th April 2026
35AQI (US)
35AQI (US)
17th April 2026
18th April 2026
35AQI (US)
35AQI (US)
19th April 2026
31AQI (US)
31AQI (US)
20th April 2026
21AQI (US)
21AQI (US)
21st April 2026
24AQI (US)
24AQI (US)
22nd April 2026
23rd April 2026
28AQI (US)
28AQI (US)
24th April 2026
38AQI (US)
38AQI (US)
25th April 2026
53AQI (US)
53AQI (US)
26th April 2026
39AQI (US)
39AQI (US)
27th April 2026
42AQI (US)
42AQI (US)
28th April 2026
46AQI (US)
46AQI (US)
29th April 2026
35AQI (US)
35AQI (US)
30th April 2026
35AQI (US)
35AQI (US)
1st May 2026
21AQI (US)
21AQI (US)
2nd May 2026
25AQI (US)
25AQI (US)
3rd May 2026
21AQI (US)
21AQI (US)
4th May 2026
27AQI (US)
27AQI (US)
5th May 2026
35AQI (US)
35AQI (US)
6th May 2026
48AQI (US)
48AQI (US)
7th May 2026
38AQI (US)
38AQI (US)
8th May 2026
35AQI (US)
35AQI (US)
9th May 2026
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
25AQI (US)
25AQI (US)
12th May 2026
27AQI (US)
27AQI (US)
13th May 2026
32AQI (US)
32AQI (US)
14th May 2026
23AQI (US)
23AQI (US)
15th May 2026
43AQI (US)
43AQI (US)
16th May 2026
50AQI (US)
50AQI (US)
17th May 2026
58AQI (US)
58AQI (US)
18th May 2026
58AQI (US)
58AQI (US)
19th May 2026
60AQI (US)
60AQI (US)
20th May 2026
52AQI (US)
52AQI (US)
21st May 2026
44AQI (US)
44AQI (US)
22nd May 2026
54AQI (US)
54AQI (US)
23rd May 2026
47AQI (US)
47AQI (US)
24th May 2026
46AQI (US)
46AQI (US)
25th May 2026
46AQI (US)
46AQI (US)
26th May 2026
21AQI (US)
21AQI (US)
27th May 2026
20AQI (US)
20AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
18AQI (US)
18AQI (US)
30th May 2026
16AQI (US)
16AQI (US)
31st May 2026
16AQI (US)
16AQI (US)
1st June 2026
24AQI (US)
24AQI (US)
2nd June 2026
33AQI (US)
33AQI (US)
3rd June 2026
17AQI (US)
17AQI (US)
4th June 2026
14AQI (US)
14AQI (US)
5th June 2026
15AQI (US)
15AQI (US)
6th June 2026
27AQI (US)
27AQI (US)
7th June 2026
30AQI (US)
30AQI (US)
8th June 2026
27AQI (US)
27AQI (US)
9th June 2026
30AQI (US)
30AQI (US)
10th June 2026
21AQI (US)
21AQI (US)
11th June 2026
19AQI (US)
19AQI (US)
12th June 2026
22AQI (US)
22AQI (US)
13th June 2026
25AQI (US)
25AQI (US)
14th June 2026
23AQI (US)
23AQI (US)
15th June 2026
20AQI (US)
20AQI (US)
16th June 2026
16AQI (US)
16AQI (US)
17th June 2026
16AQI (US)
16AQI (US)
18th June 2026
37AQI (US)
37AQI (US)
19th June 2026
30AQI (US)
30AQI (US)
20th June 2026
25AQI (US)
25AQI (US)
21st June 2026
24AQI (US)
24AQI (US)
22nd June 2026
29AQI (US)
29AQI (US)
23rd June 2026
42AQI (US)
42AQI (US)
24th June 2026
51AQI (US)
51AQI (US)
25th June 2026
38AQI (US)
38AQI (US)
26th June 2026
46AQI (US)
46AQI (US)
27th June 2026
42AQI (US)
42AQI (US)
28th June 2026
37AQI (US)
37AQI (US)
29th June 2026
55AQI (US)
55AQI (US)
30th June 2026
44AQI (US)
44AQI (US)
1st July 2026
30AQI (US)
30AQI (US)
2nd July 2026
28AQI (US)
28AQI (US)
3rd July 2026
20AQI (US)
20AQI (US)
4th July 2026
21AQI (US)
21AQI (US)
5th July 2026
21AQI (US)
21AQI (US)
6th July 2026
28AQI (US)
28AQI (US)
7th July 2026
33AQI (US)
33AQI (US)
8th July 2026
30AQI (US)
30AQI (US)
9th July 2026
33AQI (US)
33AQI (US)
10th July 2026
28AQI (US)
28AQI (US)
11th July 2026
38AQI (US)
38AQI (US)
12th July 2026
31AQI (US)
31AQI (US)
13th July 2026
42AQI (US)
42AQI (US)
14th July 2026
67AQI (US)
67AQI (US)
15th July 2026
58AQI (US)
58AQI (US)
16th July 2026
53AQI (US)
53AQI (US)
17th July 2026
51AQI (US)
51AQI (US)
18th July 2026
67AQI (US)
67AQI (US)
19th July 2026
70AQI (US)
70AQI (US)
20th July 2026
63AQI (US)
63AQI (US)
21st July 2026
62AQI (US)
62AQI (US)
22nd July 2026
68AQI (US)
68AQI (US)
23rd July 2026
63AQI (US)
63AQI (US)
24th July 2026
65AQI (US)
65AQI (US)
25th July 2026
60AQI (US)
60AQI (US)
26th July 2026
48AQI (US)
48AQI (US)
27th July 2026
51AQI (US)
51AQI (US)
28th July 2026
60AQI (US)
60AQI (US)
29th July 2026
52AQI (US)
52AQI (US)
30th July 2026
52AQI (US)
52AQI (US)
31st July 2026
49AQI (US)
49AQI (US)
1st August 2026
46AQI (US)
46AQI (US)
2nd August 2026
49AQI (US)
49AQI (US)
3rd August 2026
60AQI (US)
60AQI (US)
4th August 2026
67AQI (US)
67AQI (US)
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
44AQI (US)
40AQI (US)
36AQI (US)
33AQI (US)
35AQI (US)
29AQI (US)
47AQI (US)
56AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202638AQI (US)
21
9
1
23
5
30
1
27
1
25
5
28
2
15
16
2
2
171
41
1
Highest AQI (US) recorded in
August56AQI (US)
Lowest AQI (US) recorded in
June29AQI (US)
202553AQI (US)
31
27
2
4
12
18
9
22
8
22
16
15
26
5
28
2
2
29
17
13
6
25
126
213
Highest AQI (US) recorded in
October64AQI (US)
Lowest AQI (US) recorded in
September37AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Most Polluted Year Recorded
2025(Avg.)
53AQI (US)Least Polluted Year Recorded
2026(Avg.)
38AQI (US)Harlingen's annual 2026 AQI (US) (38) shows an average percentage change of -28.3% (improved AQI (US)) compared to previous years: 2025 (53).
