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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Decatur, Alabama, 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

Decatur, Alabama, United States

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Aug 2024
77AQI
Lowest AQI recorded on
13th Aug 2025
21AQI

Same Day Analysis (10th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 43 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 10th Aug - 11th Aug 2026

Decatur, Alabama, United States

AQI
Day
Night
.

5 AM10th Aug 2026

7 PM

4 AM11th Aug 2026

Day time
Avg. Highest Time
1PM10th Aug

52AQI

Avg. Lowest Time
7PM10th Aug

30AQI

Night time
Avg. Highest Time
9PM10th Aug

48AQI

Avg. Lowest Time
3AM11th Aug

23AQI

In the last 24 hours,

Decatur's AQI reached its highest point of 52 at 1 PM during the Day, while the lowest point, 23, was recorded at 3 AM during the Night between 10th Aug and 11th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Decatur, Alabama, United States

JulAug
13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
13th Jul 2026155 AMAQI
13th Jul 2026146 AMAQI
13th Jul 2026127 AMAQI
13th Jul 2026168 AMAQI
13th Jul 2026189 AMAQI
13th Jul 20262210 AMAQI
13th Jul 20262411 AMAQI
13th Jul 20262012 PMAQI
13th Jul 2026241 PMAQI
13th Jul 2026122 PMAQI
13th Jul 2026163 PMAQI
13th Jul 2026104 PMAQI
13th Jul 2026115 PMAQI
13th Jul 2026146 PMAQI
13th Jul 2026147 PMAQI
13th Jul 2026138 PMAQI
13th Jul 2026109 PMAQI
13th Jul 20261010 PMAQI
13th Jul 20261211 PMAQI
14th Jul 20261012 AMAQI
14th Jul 2026111 AMAQI
14th Jul 2026102 AMAQI
14th Jul 2026103 AMAQI
14th Jul 2026114 AMAQI

25°C22/28°C

14th Jul 2026105 AMAQI
14th Jul 2026106 AMAQI
14th Jul 2026127 AMAQI
14th Jul 2026128 AMAQI
14th Jul 2026149 AMAQI
14th Jul 20261010 AMAQI
14th Jul 20261111 AMAQI
14th Jul 20261012 PMAQI
14th Jul 2026101 PMAQI
14th Jul 2026112 PMAQI
14th Jul 2026103 PMAQI
14th Jul 202694 PMAQI
14th Jul 2026145 PMAQI
14th Jul 2026166 PMAQI
14th Jul 202687 PMAQI
14th Jul 2026108 PMAQI
14th Jul 202689 PMAQI
14th Jul 2026810 PMAQI
14th Jul 2026811 PMAQI
15th Jul 20261012 AMAQI
15th Jul 2026101 AMAQI
15th Jul 2026122 AMAQI
15th Jul 2026113 AMAQI
15th Jul 2026124 AMAQI

26°C22/31°C

15th Jul 2026145 AMAQI
15th Jul 2026166 AMAQI
15th Jul 2026177 AMAQI
15th Jul 2026138 AMAQI
15th Jul 2026209 AMAQI
15th Jul 20261210 AMAQI
15th Jul 20262411 AMAQI
15th Jul 202617212 PMAQI
15th Jul 2026201 PMAQI
15th Jul 2026162 PMAQI
15th Jul 2026173 PMAQI
15th Jul 2026144 PMAQI
15th Jul 2026215 PMAQI
15th Jul 2026236 PMAQI
15th Jul 2026107 PMAQI
15th Jul 2026118 PMAQI
15th Jul 2026179 PMAQI
15th Jul 20261410 PMAQI
15th Jul 20261211 PMAQI
16th Jul 20261912 AMAQI
16th Jul 2026141 AMAQI
16th Jul 2026102 AMAQI
16th Jul 2026143 AMAQI
16th Jul 2026104 AMAQI

26°C22/31°C

16th Jul 2026155 AMAQI
16th Jul 2026146 AMAQI
16th Jul 2026157 AMAQI
16th Jul 2026168 AMAQI
16th Jul 2026209 AMAQI
16th Jul 20266810 AMAQI
16th Jul 20263211 AMAQI
16th Jul 20266012 PMAQI
16th Jul 2026371 PMAQI
16th Jul 2026402 PMAQI
16th Jul 2026303 PMAQI
16th Jul 2026304 PMAQI
16th Jul 2026325 PMAQI
16th Jul 2026336 PMAQI
16th Jul 2026267 PMAQI
16th Jul 2026188 PMAQI
16th Jul 2026149 PMAQI
16th Jul 20262010 PMAQI
16th Jul 20261411 PMAQI
17th Jul 20261912 AMAQI
17th Jul 2026141 AMAQI
17th Jul 2026342 AMAQI
17th Jul 2026293 AMAQI
17th Jul 2026384 AMAQI

28°C22/34°C

17th Jul 2026425 AMAQI
17th Jul 2026386 AMAQI
17th Jul 2026407 AMAQI
17th Jul 2026448 AMAQI
17th Jul 2026449 AMAQI
17th Jul 20264010 AMAQI
17th Jul 20264611 AMAQI
17th Jul 20264412 PMAQI
17th Jul 2026531 PMAQI
17th Jul 2026402 PMAQI
17th Jul 2026463 PMAQI
17th Jul 2026404 PMAQI
17th Jul 2026335 PMAQI
17th Jul 2026406 PMAQI
17th Jul 2026407 PMAQI
17th Jul 2026488 PMAQI
17th Jul 2026409 PMAQI
17th Jul 20264110 PMAQI
17th Jul 20264611 PMAQI
18th Jul 20265412 AMAQI
18th Jul 2026381 AMAQI
18th Jul 2026312 AMAQI
18th Jul 2026253 AMAQI
18th Jul 2026424 AMAQI

28°C23/34°C

18th Jul 2026255 AMAQI
18th Jul 2026366 AMAQI
18th Jul 2026507 AMAQI
18th Jul 2026528 AMAQI
18th Jul 2026369 AMAQI
18th Jul 20265210 AMAQI
18th Jul 20264411 AMAQI
18th Jul 20264212 PMAQI
18th Jul 2026521 PMAQI
18th Jul 2026572 PMAQI
18th Jul 2026603 PMAQI
18th Jul 2026594 PMAQI
18th Jul 2026555 PMAQI
18th Jul 2026566 PMAQI
18th Jul 2026547 PMAQI
18th Jul 2026448 PMAQI
18th Jul 2026549 PMAQI
18th Jul 20264810 PMAQI
18th Jul 20265111 PMAQI
19th Jul 20264812 AMAQI
19th Jul 2026511 AMAQI
19th Jul 2026462 AMAQI
19th Jul 2026463 AMAQI
19th Jul 2026424 AMAQI

28°C22/37°C

19th Jul 2026425 AMAQI
19th Jul 2026426 AMAQI
19th Jul 2026447 AMAQI
19th Jul 2026448 AMAQI
19th Jul 2026409 AMAQI
19th Jul 20263810 AMAQI
19th Jul 20264411 AMAQI
19th Jul 20265412 PMAQI
19th Jul 2026421 PMAQI
19th Jul 2026462 PMAQI
19th Jul 2026423 PMAQI
19th Jul 2026504 PMAQI
19th Jul 2026535 PMAQI
19th Jul 2026326 PMAQI
19th Jul 2026467 PMAQI
19th Jul 2026528 PMAQI
19th Jul 2026319 PMAQI
19th Jul 20263110 PMAQI
19th Jul 20262711 PMAQI
20th Jul 20262112 AMAQI
20th Jul 2026541 AMAQI
20th Jul 2026312 AMAQI
20th Jul 2026303 AMAQI
20th Jul 2026334 AMAQI

28°C23/35°C

20th Jul 2026365 AMAQI
20th Jul 2026296 AMAQI
20th Jul 2026367 AMAQI
20th Jul 2026318 AMAQI
20th Jul 2026349 AMAQI
20th Jul 20264010 AMAQI
20th Jul 20264211 AMAQI
20th Jul 20264412 PMAQI
20th Jul 2026421 PMAQI
20th Jul 2026462 PMAQI
20th Jul 2026443 PMAQI
20th Jul 2026424 PMAQI
20th Jul 2026465 PMAQI
20th Jul 2026506 PMAQI
20th Jul 2026507 PMAQI
20th Jul 2026488 PMAQI
20th Jul 2026469 PMAQI
20th Jul 20265211 PMAQI
21st Jul 20264612 AMAQI
21st Jul 2026421 AMAQI
21st Jul 2026462 AMAQI
21st Jul 2026483 AMAQI
21st Jul 2026404 AMAQI

28°C22/36°C

21st Jul 2026445 AMAQI
21st Jul 2026506 AMAQI
21st Jul 2026447 AMAQI
21st Jul 2026408 AMAQI
21st Jul 2026389 AMAQI
21st Jul 20264410 AMAQI
21st Jul 20264811 AMAQI
21st Jul 20264812 PMAQI
21st Jul 2026481 PMAQI
21st Jul 2026522 PMAQI
21st Jul 2026463 PMAQI
21st Jul 2026444 PMAQI
21st Jul 2026575 PMAQI
21st Jul 2026516 PMAQI
21st Jul 2026527 PMAQI
21st Jul 2026488 PMAQI
21st Jul 2026449 PMAQI
21st Jul 20264410 PMAQI
21st Jul 20264211 PMAQI
22nd Jul 20265012 AMAQI
22nd Jul 2026321 AMAQI
22nd Jul 2026342 AMAQI
22nd Jul 2026383 AMAQI
22nd Jul 2026324 AMAQI

30°C24/38°C

22nd Jul 2026465 AMAQI
22nd Jul 2026426 AMAQI
22nd Jul 2026467 AMAQI
22nd Jul 2026448 AMAQI
22nd Jul 2026489 AMAQI
22nd Jul 20264410 AMAQI
22nd Jul 20264211 AMAQI
22nd Jul 20264612 PMAQI
22nd Jul 2026401 PMAQI
22nd Jul 2026422 PMAQI
22nd Jul 2026423 PMAQI
22nd Jul 2026424 PMAQI
22nd Jul 2026385 PMAQI
22nd Jul 2026406 PMAQI
22nd Jul 2026567 PMAQI
22nd Jul 2026508 PMAQI
22nd Jul 2026519 PMAQI
22nd Jul 20264610 PMAQI
22nd Jul 20264811 PMAQI
23rd Jul 20264812 AMAQI
23rd Jul 2026481 AMAQI
23rd Jul 2026462 AMAQI
23rd Jul 2026523 AMAQI
23rd Jul 2026424 AMAQI

29°C25/35°C

23rd Jul 2026465 AMAQI
23rd Jul 2026426 AMAQI
23rd Jul 2026467 AMAQI
23rd Jul 2026448 AMAQI
23rd Jul 2026409 AMAQI
23rd Jul 20265210 AMAQI
23rd Jul 20265111 AMAQI
23rd Jul 20265212 PMAQI
23rd Jul 2026501 PMAQI
23rd Jul 2026512 PMAQI
23rd Jul 2026513 PMAQI
23rd Jul 2026494 PMAQI
23rd Jul 2026485 PMAQI
23rd Jul 2026466 PMAQI
23rd Jul 2026407 PMAQI
23rd Jul 2026518 PMAQI
23rd Jul 2026279 PMAQI
23rd Jul 20263410 PMAQI
23rd Jul 20263611 PMAQI
24th Jul 20265412 AMAQI
24th Jul 2026501 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026383 AMAQI
24th Jul 2026474 AMAQI

27°C25/30°C

24th Jul 2026525 AMAQI
24th Jul 2026276 AMAQI
24th Jul 2026447 AMAQI
24th Jul 2026538 AMAQI
24th Jul 2026449 AMAQI
24th Jul 20264210 AMAQI
24th Jul 20264811 AMAQI
24th Jul 20264912 PMAQI
24th Jul 2026481 PMAQI
24th Jul 2026552 PMAQI
24th Jul 2026533 PMAQI
24th Jul 2026444 PMAQI
24th Jul 2026445 PMAQI
24th Jul 2026566 PMAQI
24th Jul 2026467 PMAQI
24th Jul 2026238 PMAQI
24th Jul 2026509 PMAQI
24th Jul 20264610 PMAQI
24th Jul 20264911 PMAQI
25th Jul 20265012 AMAQI
25th Jul 2026501 AMAQI
25th Jul 2026402 AMAQI
25th Jul 2026333 AMAQI
25th Jul 2026444 AMAQI

26°C22/31°C

25th Jul 2026445 AMAQI
25th Jul 2026466 AMAQI
25th Jul 2026407 AMAQI
25th Jul 2026448 AMAQI
25th Jul 2026579 AMAQI
25th Jul 20263810 AMAQI
25th Jul 20264411 AMAQI
25th Jul 20264612 PMAQI
25th Jul 2026441 PMAQI
25th Jul 2026422 PMAQI
25th Jul 2026463 PMAQI
25th Jul 2026484 PMAQI
25th Jul 2026585 PMAQI
25th Jul 2026346 PMAQI
25th Jul 2026407 PMAQI
25th Jul 2026408 PMAQI
25th Jul 2026429 PMAQI
25th Jul 20264410 PMAQI
25th Jul 20264011 PMAQI
26th Jul 20263612 AMAQI
26th Jul 2026271 AMAQI
26th Jul 2026362 AMAQI
26th Jul 2026343 AMAQI
26th Jul 2026424 AMAQI

26°C22/31°C

26th Jul 2026465 AMAQI
26th Jul 2026466 AMAQI
26th Jul 2026447 AMAQI
26th Jul 2026428 AMAQI
26th Jul 2026449 AMAQI
26th Jul 20264210 AMAQI
26th Jul 20264211 AMAQI
26th Jul 20264012 PMAQI
26th Jul 2026441 PMAQI
26th Jul 2026542 PMAQI
26th Jul 2026583 PMAQI
26th Jul 2026564 PMAQI
26th Jul 2026575 PMAQI
26th Jul 2026606 PMAQI
26th Jul 2026537 PMAQI
26th Jul 2026568 PMAQI
26th Jul 2026519 PMAQI
26th Jul 20265510 PMAQI
26th Jul 20264911 PMAQI
27th Jul 20264812 AMAQI
27th Jul 2026501 AMAQI
27th Jul 2026512 AMAQI
27th Jul 2026503 AMAQI
27th Jul 2026534 AMAQI

28°C23/36°C

27th Jul 2026545 AMAQI
27th Jul 2026546 AMAQI
27th Jul 2026557 AMAQI
27th Jul 2026568 AMAQI
27th Jul 2026549 AMAQI
27th Jul 20264610 AMAQI
27th Jul 20264211 AMAQI
27th Jul 20264012 PMAQI
27th Jul 2026361 PMAQI
27th Jul 2026322 PMAQI
27th Jul 2026523 PMAQI
27th Jul 2026214 PMAQI
27th Jul 2026385 PMAQI
27th Jul 2026276 PMAQI
27th Jul 2026367 PMAQI
27th Jul 2026388 PMAQI
27th Jul 2026429 PMAQI
27th Jul 20264010 PMAQI
27th Jul 20263411 PMAQI
28th Jul 20263612 AMAQI
28th Jul 2026421 AMAQI
28th Jul 2026442 AMAQI
28th Jul 2026443 AMAQI
28th Jul 2026424 AMAQI

29°C23/35°C

28th Jul 2026445 AMAQI
28th Jul 2026426 AMAQI
28th Jul 2026507 AMAQI
28th Jul 2026428 AMAQI
28th Jul 2026429 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20264811 AMAQI
28th Jul 20265312 PMAQI
28th Jul 2026541 PMAQI
28th Jul 2026562 PMAQI
28th Jul 2026533 PMAQI
28th Jul 2026534 PMAQI
28th Jul 2026585 PMAQI
28th Jul 2026546 PMAQI
28th Jul 2026547 PMAQI
28th Jul 2026568 PMAQI
28th Jul 2026549 PMAQI
28th Jul 20265410 PMAQI
28th Jul 20265511 PMAQI
29th Jul 20266012 AMAQI
29th Jul 2026581 AMAQI
29th Jul 2026552 AMAQI
29th Jul 2026553 AMAQI
29th Jul 2026514 AMAQI

31°C23/39°C

29th Jul 2026525 AMAQI
29th Jul 2026526 AMAQI
29th Jul 2026527 AMAQI
29th Jul 2026518 AMAQI
29th Jul 2026519 AMAQI
29th Jul 20265110 AMAQI
29th Jul 20265211 AMAQI
29th Jul 20265012 PMAQI
29th Jul 2026511 PMAQI
29th Jul 2026522 PMAQI
29th Jul 2026563 PMAQI
29th Jul 2026644 PMAQI
29th Jul 2026685 PMAQI
29th Jul 2026706 PMAQI
29th Jul 2026647 PMAQI
29th Jul 2026708 PMAQI
29th Jul 2026689 PMAQI
29th Jul 20266610 PMAQI
29th Jul 20266011 PMAQI
30th Jul 20266612 AMAQI
30th Jul 2026661 AMAQI
30th Jul 2026682 AMAQI
30th Jul 2026643 AMAQI
30th Jul 2026624 AMAQI

30°C26/36°C

30th Jul 2026635 AMAQI
30th Jul 2026666 AMAQI
30th Jul 2026637 AMAQI
30th Jul 2026628 AMAQI
30th Jul 2026659 AMAQI
30th Jul 20265910 AMAQI
30th Jul 20265511 AMAQI
30th Jul 20265112 PMAQI
30th Jul 2026501 PMAQI
30th Jul 2026522 PMAQI
30th Jul 2026593 PMAQI
30th Jul 2026624 PMAQI
30th Jul 2026645 PMAQI
30th Jul 2026666 PMAQI
30th Jul 2026657 PMAQI
30th Jul 2026628 PMAQI
30th Jul 2026629 PMAQI
30th Jul 20265610 PMAQI
30th Jul 20265111 PMAQI
31st Jul 20264812 AMAQI
31st Jul 2026421 AMAQI
31st Jul 2026492 AMAQI
31st Jul 2026423 AMAQI
31st Jul 2026404 AMAQI

28°C22/35°C

31st Jul 2026565 AMAQI
31st Jul 2026546 AMAQI
31st Jul 2026587 AMAQI
31st Jul 2026538 AMAQI
31st Jul 2026519 AMAQI
31st Jul 20265010 AMAQI
31st Jul 20264211 AMAQI
31st Jul 20264412 PMAQI
31st Jul 2026511 PMAQI
31st Jul 2026422 PMAQI
31st Jul 2026463 PMAQI
31st Jul 2026464 PMAQI
31st Jul 2026545 PMAQI
31st Jul 2026586 PMAQI
31st Jul 2026627 PMAQI
31st Jul 2026618 PMAQI
31st Jul 2026589 PMAQI
31st Jul 20266010 PMAQI
31st Jul 20265811 PMAQI
1st Aug 20266812 AMAQI
1st Aug 2026691 AMAQI
1st Aug 2026622 AMAQI
1st Aug 2026483 AMAQI
1st Aug 2026464 AMAQI

27°C18/36°C

1st Aug 2026625 AMAQI
1st Aug 2026676 AMAQI
1st Aug 2026627 AMAQI
1st Aug 2026538 AMAQI
1st Aug 2026509 AMAQI
1st Aug 20264410 AMAQI
1st Aug 20264611 AMAQI
1st Aug 20264612 PMAQI
1st Aug 2026421 PMAQI
1st Aug 2026442 PMAQI
1st Aug 2026513 PMAQI
1st Aug 2026504 PMAQI
1st Aug 2026485 PMAQI
1st Aug 2026526 PMAQI
1st Aug 2026537 PMAQI
1st Aug 2026508 PMAQI
1st Aug 2026469 PMAQI
1st Aug 20264210 PMAQI
1st Aug 20263811 PMAQI
2nd Aug 20263312 AMAQI
2nd Aug 2026271 AMAQI
2nd Aug 2026402 AMAQI
2nd Aug 2026403 AMAQI
2nd Aug 2026314 AMAQI

27°C24/34°C

2nd Aug 2026325 AMAQI
2nd Aug 2026216 AMAQI
2nd Aug 2026347 AMAQI
2nd Aug 2026238 AMAQI
2nd Aug 2026389 AMAQI
2nd Aug 20264210 AMAQI
2nd Aug 20264611 AMAQI
2nd Aug 20264412 PMAQI
2nd Aug 2026461 PMAQI
2nd Aug 2026422 PMAQI
2nd Aug 2026423 PMAQI
2nd Aug 2026464 PMAQI
2nd Aug 2026425 PMAQI
2nd Aug 2026396 PMAQI
2nd Aug 2026277 PMAQI
2nd Aug 2026238 PMAQI
2nd Aug 2026279 PMAQI
2nd Aug 20263610 PMAQI
2nd Aug 20262111 PMAQI
3rd Aug 20263412 AMAQI
3rd Aug 2026461 AMAQI
3rd Aug 2026462 AMAQI
3rd Aug 2026343 AMAQI
3rd Aug 2026364 AMAQI

24°C20/29°C

3rd Aug 2026465 AMAQI
3rd Aug 2026466 AMAQI
3rd Aug 2026357 AMAQI
3rd Aug 2026518 AMAQI
3rd Aug 2026489 AMAQI
3rd Aug 20265210 AMAQI
3rd Aug 20263811 AMAQI
3rd Aug 20264812 PMAQI
3rd Aug 2026441 PMAQI
3rd Aug 2026442 PMAQI
3rd Aug 2026463 PMAQI
3rd Aug 2026304 PMAQI
3rd Aug 2026385 PMAQI
3rd Aug 2026426 PMAQI
3rd Aug 2026377 PMAQI
3rd Aug 2026368 PMAQI
3rd Aug 2026449 PMAQI
3rd Aug 20263210 PMAQI
3rd Aug 20263611 PMAQI
4th Aug 20263412 AMAQI
4th Aug 2026251 AMAQI
4th Aug 2026232 AMAQI
4th Aug 2026343 AMAQI
4th Aug 2026454 AMAQI

24°C21/29°C

4th Aug 2026255 AMAQI
4th Aug 2026456 AMAQI
4th Aug 2026467 AMAQI
4th Aug 2026318 AMAQI
4th Aug 2026329 AMAQI
4th Aug 20263610 AMAQI
4th Aug 20264611 AMAQI
4th Aug 20264612 PMAQI
4th Aug 2026381 PMAQI
4th Aug 2026382 PMAQI
4th Aug 2026323 PMAQI
4th Aug 2026424 PMAQI
4th Aug 2026215 PMAQI
4th Aug 2026426 PMAQI
4th Aug 2026327 PMAQI
4th Aug 2026328 PMAQI
4th Aug 2026379 PMAQI
4th Aug 20264210 PMAQI
4th Aug 20262111 PMAQI
5th Aug 20263812 AMAQI
5th Aug 2026381 AMAQI
5th Aug 2026272 AMAQI
5th Aug 2026253 AMAQI
5th Aug 2026384 AMAQI

26°C21/32°C

5th Aug 2026465 AMAQI
5th Aug 2026426 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026298 AMAQI
5th Aug 2026449 AMAQI
5th Aug 20264410 AMAQI
5th Aug 20264611 AMAQI
5th Aug 20264012 PMAQI
5th Aug 2026321 PMAQI
5th Aug 2026462 PMAQI
5th Aug 2026463 PMAQI
5th Aug 2026304 PMAQI
5th Aug 2026425 PMAQI
5th Aug 2026326 PMAQI
5th Aug 2026307 PMAQI
5th Aug 2026428 PMAQI
5th Aug 2026329 PMAQI
5th Aug 20264010 PMAQI
5th Aug 20264811 PMAQI
6th Aug 20264212 AMAQI
6th Aug 2026421 AMAQI
6th Aug 2026502 AMAQI
6th Aug 2026363 AMAQI
6th Aug 2026404 AMAQI

27°C22/33°C

6th Aug 2026295 AMAQI
6th Aug 2026456 AMAQI
6th Aug 2026507 AMAQI
6th Aug 2026278 AMAQI
6th Aug 2026469 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20264011 AMAQI
6th Aug 20263612 PMAQI
6th Aug 2026401 PMAQI
6th Aug 2026442 PMAQI
6th Aug 2026443 PMAQI
6th Aug 2026404 PMAQI
6th Aug 2026535 PMAQI
6th Aug 2026426 PMAQI
6th Aug 2026407 PMAQI
6th Aug 2026508 PMAQI
6th Aug 2026529 PMAQI
6th Aug 20264810 PMAQI
6th Aug 20264211 PMAQI
7th Aug 20264212 AMAQI
7th Aug 2026441 AMAQI
7th Aug 2026462 AMAQI
7th Aug 2026463 AMAQI
7th Aug 2026444 AMAQI

28°C23/35°C

7th Aug 2026525 AMAQI
7th Aug 2026526 AMAQI
7th Aug 2026447 AMAQI
7th Aug 2026508 AMAQI
7th Aug 2026469 AMAQI
7th Aug 20264610 AMAQI
7th Aug 20264811 AMAQI
7th Aug 20265112 PMAQI
7th Aug 2026521 PMAQI
7th Aug 2026512 PMAQI
7th Aug 2026533 PMAQI
7th Aug 2026524 PMAQI
7th Aug 2026545 PMAQI
7th Aug 2026526 PMAQI
7th Aug 2026517 PMAQI
7th Aug 2026428 PMAQI
7th Aug 2026429 PMAQI
7th Aug 20264910 PMAQI
7th Aug 20265211 PMAQI
8th Aug 20265012 AMAQI
8th Aug 2026461 AMAQI
8th Aug 2026462 AMAQI
8th Aug 2026473 AMAQI
8th Aug 2026464 AMAQI

27°C22/36°C

8th Aug 2026505 AMAQI
8th Aug 2026506 AMAQI
8th Aug 2026467 AMAQI
8th Aug 2026468 AMAQI
8th Aug 2026469 AMAQI
8th Aug 20264610 AMAQI
8th Aug 20264611 AMAQI
8th Aug 20264212 PMAQI
8th Aug 2026481 PMAQI
8th Aug 2026442 PMAQI
8th Aug 2026423 PMAQI
8th Aug 2026404 PMAQI
8th Aug 2026525 PMAQI
8th Aug 2026446 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026408 PMAQI
8th Aug 2026429 PMAQI
8th Aug 20265210 PMAQI
8th Aug 20262711 PMAQI
9th Aug 20263812 AMAQI
9th Aug 2026401 AMAQI
9th Aug 2026382 AMAQI
9th Aug 2026423 AMAQI
9th Aug 2026464 AMAQI

27°C21/34°C

9th Aug 2026405 AMAQI
9th Aug 2026336 AMAQI
9th Aug 2026307 AMAQI
9th Aug 2026368 AMAQI
9th Aug 2026429 AMAQI
9th Aug 20263610 AMAQI
9th Aug 20264211 AMAQI
9th Aug 20264212 PMAQI
9th Aug 2026441 PMAQI
9th Aug 2026462 PMAQI
9th Aug 2026443 PMAQI
9th Aug 2026404 PMAQI
9th Aug 2026515 PMAQI
9th Aug 2026346 PMAQI
9th Aug 2026327 PMAQI
9th Aug 2026448 PMAQI
9th Aug 2026469 PMAQI
9th Aug 20263310 PMAQI
9th Aug 20263811 PMAQI
10th Aug 20263612 AMAQI
10th Aug 2026421 AMAQI
10th Aug 2026422 AMAQI
10th Aug 2026423 AMAQI
10th Aug 2026464 AMAQI

27°C21/36°C

10th Aug 2026445 AMAQI
10th Aug 2026486 AMAQI
10th Aug 2026387 AMAQI
10th Aug 2026488 AMAQI
10th Aug 2026519 AMAQI
10th Aug 20264210 AMAQI
10th Aug 20264211 AMAQI
10th Aug 20264612 PMAQI
10th Aug 2026521 PMAQI
10th Aug 2026502 PMAQI
10th Aug 2026363 PMAQI
10th Aug 2026324 PMAQI
10th Aug 2026425 PMAQI
10th Aug 2026516 PMAQI
10th Aug 2026307 PMAQI
10th Aug 2026428 PMAQI
10th Aug 2026489 PMAQI
10th Aug 20264410 PMAQI
10th Aug 20264011 PMAQI
11th Aug 20263812 AMAQI
11th Aug 2026421 AMAQI
11th Aug 2026462 AMAQI
11th Aug 2026233 AMAQI
11th Aug 2026404 AMAQI

28°C22/35°C

11th Aug 2026465 AMAQI
5 AM
11th Aug 2026446 AMAQI
11th Aug 2026447 AMAQI
11th Aug 2026388 AMAQI
11th Aug 2026539 AMAQI
11th Aug 20264610 AMAQI
11th Aug 20264211 AMAQI
11th Aug 20264012 PMAQI
12 PM
11th Aug 2026441 PMAQI
11th Aug 2026442 PMAQI
11th Aug 2026403 PMAQI
11th Aug 2026404 PMAQI
11th Aug 2026485 PMAQI
11th Aug 2026486 PMAQI
11th Aug 2026347 PMAQI
7 PM
11th Aug 2026348 PMAQI
11th Aug 2026409 PMAQI
11th Aug 20262710 PMAQI
12 AM
4 AM

28°C24/34°C

Day time
Avg. Highest Time
12 PM

48AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 8 AM

41AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 12 PM (Avg. 48), while the lowest AQI was between 5 AM to 8 AM (Avg. 41).
Night time
Avg. Highest Time
8 PM - 10 PM

41AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
3 AM

36AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 10 PM (Avg. 41), while the lowest AQI was between 3 AM to 3 AM (Avg. 36).

2026 Days Vs Air Quality

Decatur, Alabama, United States

2026

95%

209

5%

10

Total number of days with different AQI categories in last 223 days in 2026 (142 days remaining)

Good
209 Days
Moderate
10 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 95%

Health Risk Level:

Very Low

In 2026, 95% of 223 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

Decatur, Alabama, 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
31AQI (US)
2nd January 2026
37AQI (US)
3rd January 2026
44AQI (US)
4th January 2026
46AQI (US)
5th January 2026
42AQI (US)
6th January 2026
39AQI (US)
7th January 2026
40AQI (US)
8th January 2026
41AQI (US)
9th January 2026
26AQI (US)
10th January 2026
14AQI (US)
11th January 2026
14AQI (US)
12th January 2026
27AQI (US)
13th January 2026
26AQI (US)
14th January 2026
26AQI (US)
15th January 2026
12AQI (US)
16th January 2026
20AQI (US)
17th January 2026
22AQI (US)
18th January 2026
16AQI (US)
19th January 2026
17AQI (US)
20th January 2026
17AQI (US)
21st January 2026
31AQI (US)
22nd January 2026
42AQI (US)
23rd January 2026
43AQI (US)
24th January 2026
30AQI (US)
25th January 2026
46AQI (US)
26th January 2026
42AQI (US)
27th January 2026
34AQI (US)
28th January 2026
33AQI (US)
29th January 2026
40AQI (US)
30th January 2026
56AQI (US)
31st January 2026
38AQI (US)
1st February 2026
53AQI (US)
2nd February 2026
45AQI (US)
3rd February 2026
45AQI (US)
4th February 2026
38AQI (US)
5th February 2026
45AQI (US)
6th February 2026
37AQI (US)
7th February 2026
35AQI (US)
8th February 2026
32AQI (US)
9th February 2026
47AQI (US)
10th February 2026
41AQI (US)
11th February 2026
32AQI (US)
12th February 2026
30AQI (US)
13th February 2026
33AQI (US)
14th February 2026
44AQI (US)
15th February 2026
40AQI (US)
16th February 2026
34AQI (US)
17th February 2026
32AQI (US)
18th February 2026
38AQI (US)
19th February 2026
35AQI (US)
20th February 2026
31AQI (US)
21st February 2026
38AQI (US)
22nd February 2026
40AQI (US)
23rd February 2026
34AQI (US)
24th February 2026
32AQI (US)
25th February 2026
43AQI (US)
26th February 2026
29AQI (US)
27th February 2026
27AQI (US)
28th February 2026
25AQI (US)
1st March 2026
35AQI (US)
2nd March 2026
48AQI (US)
3rd March 2026
32AQI (US)
4th March 2026
40AQI (US)
5th March 2026
43AQI (US)
6th March 2026
33AQI (US)
7th March 2026
27AQI (US)
8th March 2026
37AQI (US)
9th March 2026
31AQI (US)
10th March 2026
31AQI (US)
11th March 2026
31AQI (US)
12th March 2026
38AQI (US)
13th March 2026
33AQI (US)
14th March 2026
25AQI (US)
15th March 2026
20AQI (US)
16th March 2026
34AQI (US)
17th March 2026
33AQI (US)
18th March 2026
22AQI (US)
19th March 2026
33AQI (US)
20th March 2026
50AQI (US)
21st March 2026
35AQI (US)
22nd March 2026
28AQI (US)
23rd March 2026
32AQI (US)
24th March 2026
26AQI (US)
25th March 2026
34AQI (US)
26th March 2026
50AQI (US)
27th March 2026
25AQI (US)
28th March 2026
18AQI (US)
29th March 2026
24AQI (US)
30th March 2026
30AQI (US)
31st March 2026
25AQI (US)
1st April 2026
24AQI (US)
2nd April 2026
24AQI (US)
3rd April 2026
29AQI (US)
4th April 2026
29AQI (US)
5th April 2026
30AQI (US)
6th April 2026
34AQI (US)
7th April 2026
27AQI (US)
8th April 2026
34AQI (US)
9th April 2026
23AQI (US)
10th April 2026
36AQI (US)
11th April 2026
32AQI (US)
12th April 2026
27AQI (US)
13th April 2026
35AQI (US)
14th April 2026
25AQI (US)
15th April 2026
31AQI (US)
16th April 2026
28AQI (US)
17th April 2026
18th April 2026
24AQI (US)
19th April 2026
23AQI (US)
20th April 2026
21AQI (US)
21st April 2026
27AQI (US)
22nd April 2026
23rd April 2026
40AQI (US)
24th April 2026
31AQI (US)
25th April 2026
16AQI (US)
26th April 2026
26AQI (US)
27th April 2026
20AQI (US)
28th April 2026
25AQI (US)
29th April 2026
24AQI (US)
30th April 2026
19AQI (US)
1st May 2026
23AQI (US)
2nd May 2026
16AQI (US)
3rd May 2026
18AQI (US)
4th May 2026
34AQI (US)
5th May 2026
33AQI (US)
6th May 2026
25AQI (US)
7th May 2026
23AQI (US)
8th May 2026
28AQI (US)
9th May 2026
10th May 2026
22AQI (US)
11th May 2026
33AQI (US)
12th May 2026
22AQI (US)
13th May 2026
27AQI (US)
14th May 2026
25AQI (US)
15th May 2026
38AQI (US)
16th May 2026
47AQI (US)
17th May 2026
51AQI (US)
18th May 2026
54AQI (US)
19th May 2026
53AQI (US)
20th May 2026
49AQI (US)
21st May 2026
39AQI (US)
22nd May 2026
34AQI (US)
23rd May 2026
38AQI (US)
24th May 2026
44AQI (US)
25th May 2026
38AQI (US)
26th May 2026
19AQI (US)
27th May 2026
12AQI (US)
28th May 2026
26AQI (US)
29th May 2026
27AQI (US)
30th May 2026
21AQI (US)
31st May 2026
18AQI (US)
1st June 2026
25AQI (US)
2nd June 2026
19AQI (US)
3rd June 2026
18AQI (US)
4th June 2026
21AQI (US)
5th June 2026
32AQI (US)
6th June 2026
22AQI (US)
7th June 2026
33AQI (US)
8th June 2026
19AQI (US)
9th June 2026
20AQI (US)
10th June 2026
19AQI (US)
11th June 2026
27AQI (US)
12th June 2026
21AQI (US)
13th June 2026
19AQI (US)
14th June 2026
21AQI (US)
15th June 2026
17AQI (US)
16th June 2026
15AQI (US)
17th June 2026
18AQI (US)
18th June 2026
24AQI (US)
19th June 2026
13AQI (US)
20th June 2026
15AQI (US)
21st June 2026
27AQI (US)
22nd June 2026
16AQI (US)
23rd June 2026
17AQI (US)
24th June 2026
22AQI (US)
25th June 2026
24AQI (US)
26th June 2026
27AQI (US)
27th June 2026
29AQI (US)
28th June 2026
31AQI (US)
29th June 2026
34AQI (US)
30th June 2026
38AQI (US)
1st July 2026
31AQI (US)
2nd July 2026
29AQI (US)
3rd July 2026
26AQI (US)
4th July 2026
33AQI (US)
5th July 2026
30AQI (US)
6th July 2026
44AQI (US)
7th July 2026
38AQI (US)
8th July 2026
30AQI (US)
9th July 2026
30AQI (US)
10th July 2026
36AQI (US)
11th July 2026
36AQI (US)
12th July 2026
71AQI (US)
13th July 2026
14AQI (US)
14th July 2026
11AQI (US)
15th July 2026
22AQI (US)
16th July 2026
25AQI (US)
17th July 2026
39AQI (US)
18th July 2026
47AQI (US)
19th July 2026
43AQI (US)
20th July 2026
40AQI (US)
21st July 2026
46AQI (US)
22nd July 2026
43AQI (US)
23rd July 2026
46AQI (US)
24th July 2026
45AQI (US)
25th July 2026
44AQI (US)
26th July 2026
46AQI (US)
27th July 2026
44AQI (US)
28th July 2026
49AQI (US)
29th July 2026
58AQI (US)
30th July 2026
61AQI (US)
31st July 2026
51AQI (US)
1st August 2026
52AQI (US)
2nd August 2026
35AQI (US)
3rd August 2026
41AQI (US)
4th August 2026
35AQI (US)
5th August 2026
38AQI (US)
6th August 2026
42AQI (US)
7th August 2026
48AQI (US)
8th August 2026
44AQI (US)
9th August 2026
40AQI (US)
10th August 2026
43AQI (US)
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

32AQI (US)

37AQI (US)

32AQI (US)

27AQI (US)

31AQI (US)

23AQI (US)

39AQI (US)

42AQI (US)

No. of days

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

202632AQI (US)

30
1
27
1
31
28
27
3
30
27
4
9
1
209
10

Highest AQI (US) recorded in

August

42AQI (US)

Lowest AQI (US) recorded in

June

23AQI (US)

202536AQI (US)

31
28
28
3
27
3
31
24
6
26
5
29
2
18
12
30
1
21
9
27
4
320
45

Highest AQI (US) recorded in

September

44AQI (US)

Lowest AQI (US) recorded in

May

30AQI (US)

202435AQI (US)

31
23
6
26
5
29
1
30
1
24
6
28
3
24
7
30
26
5
29
1
31
331
35

Highest AQI (US) recorded in

August

44AQI (US)

Lowest AQI (US) recorded in

January

24AQI (US)

202335AQI (US)

30
1
28
25
6
30
23
6
20
10
23
6
2
27
4
30
29
2
29
30
1
324
36
2

Highest AQI (US) recorded in

June

46AQI (US)

Lowest AQI (US) recorded in

February

27AQI (US)

202239AQI (US)

28
1
19
3
27
4
27
3
26
5
19
11
23
1
1
23
6
25
6
22
8
31
271
48

Highest AQI (US) recorded in

June

46AQI (US)

Lowest AQI (US) recorded in

December

30AQI (US)

202137AQI (US)

25
4
21
7
26
5
27
3
25
5
25
5
20
9
24
7
30
26
5
27
3
25
5
301
58

Highest AQI (US) recorded in

February

43AQI (US)

Lowest AQI (US) recorded in

September

22AQI (US)

202034AQI (US)

19
18
25
30
1
28
3
28
2
27
4
26
4
24
7
225
21

Highest AQI (US) recorded in

November

38AQI (US)

Lowest AQI (US) recorded in

April

26AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
39AQI (US)
Least Polluted Year Recorded
2026(Avg.)
32AQI (US)

Decatur's annual 2026 AQI (US) (32) shows an average percentage change of -10.9% (improved AQI (US)) compared to previous years: 2020 (34), 2021 (37), 2022 (39), 2023 (35), 2024 (35), 2025 (36).