Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Decatur, Georgia, 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, Georgia, United States

2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2026
60AQI
Lowest AQI recorded on
11th Aug 2025
22AQI

Same Day Analysis (8th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 41 of Good air quality on the same day.

Day & Night AQI Trend: 8th Aug - 9th Aug 2026

Decatur, Georgia, United States

AQI
Day
Night
.

6 AM8th Aug 2026

8 PM

5 AM9th Aug 2026

Day time
Avg. Highest Time
2PM8th Aug

50AQI

Avg. Lowest Time
8PM8th Aug

25AQI

Night time
Avg. Highest Time
11PM8th Aug

46AQI

Avg. Lowest Time
2AM9th Aug

25AQI

In the last 24 hours,

Decatur's AQI reached its highest point of 50 at 2 PM during the Day, while the lowest point, 25, was recorded at 2 AM during the Night between 8th Aug and 9th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Decatur, Georgia, United States

JulAug
11th - 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 - 06th06th - 07th07th - 08th08th - 09th09th
Day
Night
11th Jul 2026196 AMAQI
11th Jul 2026187 AMAQI
11th Jul 2026198 AMAQI
11th Jul 2026189 AMAQI
11th Jul 20262110 AMAQI
11th Jul 20262111 AMAQI
11th Jul 20262012 PMAQI
11th Jul 2026731 PMAQI
11th Jul 2026552 PMAQI
11th Jul 2026363 PMAQI
11th Jul 2026624 PMAQI
11th Jul 2026725 PMAQI
11th Jul 2026346 PMAQI
11th Jul 2026247 PMAQI
11th Jul 2026188 PMAQI
11th Jul 2026569 PMAQI
11th Jul 20267010 PMAQI
11th Jul 20262211 PMAQI
12th Jul 20262212 AMAQI
12th Jul 2026181 AMAQI
12th Jul 2026222 AMAQI
12th Jul 2026243 AMAQI
12th Jul 2026214 AMAQI
12th Jul 2026235 AMAQI

28°C22/37°C

12th Jul 2026216 AMAQI
12th Jul 2026207 AMAQI
12th Jul 2026268 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20262610 AMAQI
12th Jul 202616411 AMAQI
12th Jul 202616812 PMAQI
12th Jul 20261691 PMAQI
12th Jul 20261662 PMAQI
12th Jul 20261343 PMAQI
12th Jul 20261184 PMAQI
12th Jul 2026965 PMAQI
12th Jul 2026626 PMAQI
12th Jul 2026457 PMAQI
12th Jul 2026508 PMAQI
12th Jul 2026939 PMAQI
12th Jul 20268010 PMAQI
12th Jul 20266811 PMAQI
13th Jul 20262812 AMAQI
13th Jul 2026191 AMAQI
13th Jul 2026202 AMAQI
13th Jul 2026183 AMAQI
13th Jul 2026174 AMAQI
13th Jul 2026205 AMAQI

26°C22/33°C

13th Jul 2026196 AMAQI
13th Jul 2026207 AMAQI
13th Jul 2026188 AMAQI
13th Jul 2026249 AMAQI
13th Jul 20262410 AMAQI
13th Jul 20261411 AMAQI
13th Jul 20261612 PMAQI
13th Jul 2026101 PMAQI
13th Jul 2026112 PMAQI
13th Jul 2026123 PMAQI
13th Jul 2026174 PMAQI
13th Jul 2026195 PMAQI
13th Jul 2026166 PMAQI
13th Jul 2026127 PMAQI
13th Jul 2026128 PMAQI
13th Jul 2026139 PMAQI
13th Jul 20261410 PMAQI
13th Jul 2026811 PMAQI
14th Jul 2026812 AMAQI
14th Jul 2026141 AMAQI
14th Jul 2026142 AMAQI
14th Jul 2026183 AMAQI
14th Jul 2026194 AMAQI
14th Jul 2026205 AMAQI

25°C22/29°C

14th Jul 2026196 AMAQI
14th Jul 2026187 AMAQI
14th Jul 2026148 AMAQI
14th Jul 2026109 AMAQI
14th Jul 20261510 AMAQI
14th Jul 20261011 AMAQI
14th Jul 2026812 PMAQI
14th Jul 202681 PMAQI
14th Jul 2026342 PMAQI
14th Jul 2026283 PMAQI
14th Jul 2026104 PMAQI
14th Jul 202695 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026287 PMAQI
14th Jul 2026128 PMAQI
14th Jul 2026229 PMAQI
14th Jul 20261610 PMAQI
14th Jul 20261811 PMAQI
15th Jul 20261712 AMAQI
15th Jul 2026221 AMAQI
15th Jul 2026252 AMAQI
15th Jul 2026203 AMAQI
15th Jul 2026164 AMAQI
15th Jul 2026235 AMAQI

24°C22/27°C

15th Jul 2026246 AMAQI
15th Jul 2026247 AMAQI
15th Jul 2026208 AMAQI
15th Jul 2026229 AMAQI
15th Jul 20262210 AMAQI
15th Jul 20261611 AMAQI
15th Jul 20262512 PMAQI
15th Jul 20261611 PMAQI
15th Jul 2026182 PMAQI
15th Jul 2026193 PMAQI
15th Jul 2026144 PMAQI
15th Jul 2026165 PMAQI
15th Jul 2026256 PMAQI
15th Jul 2026217 PMAQI
15th Jul 2026208 PMAQI
15th Jul 2026129 PMAQI
15th Jul 20262810 PMAQI
15th Jul 20262411 PMAQI
16th Jul 20261512 AMAQI
16th Jul 2026191 AMAQI
16th Jul 2026182 AMAQI
16th Jul 2026193 AMAQI
16th Jul 2026204 AMAQI
16th Jul 2026235 AMAQI

25°C21/32°C

16th Jul 2026206 AMAQI
16th Jul 2026207 AMAQI
16th Jul 2026188 AMAQI
16th Jul 2026229 AMAQI
16th Jul 20262010 AMAQI
16th Jul 20261711 AMAQI
16th Jul 20261612 PMAQI
16th Jul 2026561 PMAQI
16th Jul 2026122 PMAQI
16th Jul 2026323 PMAQI
16th Jul 2026234 PMAQI
16th Jul 2026195 PMAQI
16th Jul 2026126 PMAQI
16th Jul 2026207 PMAQI
16th Jul 2026228 PMAQI
16th Jul 2026149 PMAQI
16th Jul 20261310 PMAQI
16th Jul 20262211 PMAQI
17th Jul 20261412 AMAQI
17th Jul 2026161 AMAQI
17th Jul 2026192 AMAQI
17th Jul 2026333 AMAQI
17th Jul 2026314 AMAQI
17th Jul 2026425 AMAQI

27°C23/33°C

17th Jul 2026386 AMAQI
17th Jul 2026537 AMAQI
17th Jul 2026598 AMAQI
17th Jul 2026489 AMAQI
17th Jul 20265110 AMAQI
17th Jul 20264611 AMAQI
17th Jul 20264212 PMAQI
17th Jul 2026461 PMAQI
17th Jul 2026482 PMAQI
17th Jul 2026463 PMAQI
17th Jul 2026464 PMAQI
17th Jul 2026515 PMAQI
17th Jul 2026546 PMAQI
17th Jul 2026467 PMAQI
17th Jul 2026528 PMAQI
17th Jul 2026489 PMAQI
17th Jul 20264710 PMAQI
17th Jul 20265111 PMAQI
18th Jul 20265512 AMAQI
18th Jul 2026361 AMAQI
18th Jul 2026232 AMAQI
18th Jul 2026423 AMAQI
18th Jul 2026344 AMAQI
18th Jul 2026365 AMAQI

27°C23/35°C

18th Jul 2026236 AMAQI
18th Jul 2026387 AMAQI
18th Jul 2026328 AMAQI
18th Jul 2026469 AMAQI
18th Jul 20263410 AMAQI
18th Jul 20264011 AMAQI
18th Jul 20264412 PMAQI
18th Jul 2026361 PMAQI
18th Jul 2026342 PMAQI
18th Jul 2026343 PMAQI
18th Jul 2026304 PMAQI
18th Jul 2026465 PMAQI
18th Jul 2026866 PMAQI
18th Jul 2026717 PMAQI
18th Jul 2026508 PMAQI
18th Jul 2026769 PMAQI
18th Jul 20266610 PMAQI
18th Jul 20266811 PMAQI
19th Jul 20266212 AMAQI
19th Jul 2026501 AMAQI
19th Jul 2026482 AMAQI
19th Jul 2026503 AMAQI
19th Jul 2026484 AMAQI
19th Jul 2026425 AMAQI

27°C22/34°C

19th Jul 2026386 AMAQI
19th Jul 2026407 AMAQI
19th Jul 2026408 AMAQI
19th Jul 2026469 AMAQI
19th Jul 20264410 AMAQI
19th Jul 20265511 AMAQI
19th Jul 20266012 PMAQI
19th Jul 2026521 PMAQI
19th Jul 2026512 PMAQI
19th Jul 2026573 PMAQI
19th Jul 2026574 PMAQI
19th Jul 2026525 PMAQI
19th Jul 2026406 PMAQI
19th Jul 2026577 PMAQI
19th Jul 2026608 PMAQI
19th Jul 2026559 PMAQI
19th Jul 20264010 PMAQI
19th Jul 20264011 PMAQI
20th Jul 20264412 AMAQI
20th Jul 2026461 AMAQI
20th Jul 2026462 AMAQI
20th Jul 2026483 AMAQI
20th Jul 2026444 AMAQI
20th Jul 2026425 AMAQI

28°C22/34°C

20th Jul 2026446 AMAQI
20th Jul 2026467 AMAQI
20th Jul 2026448 AMAQI
20th Jul 2026429 AMAQI
20th Jul 20265610 AMAQI
20th Jul 20264811 AMAQI
20th Jul 20264812 PMAQI
20th Jul 2026541 PMAQI
20th Jul 2026522 PMAQI
20th Jul 2026463 PMAQI
20th Jul 2026464 PMAQI
20th Jul 2026445 PMAQI
20th Jul 2026656 PMAQI
20th Jul 2026667 PMAQI
20th Jul 2026578 PMAQI
20th Jul 2026559 PMAQI
20th Jul 20265510 PMAQI
21st Jul 20264412 AMAQI
21st Jul 2026461 AMAQI
21st Jul 2026402 AMAQI
21st Jul 2026383 AMAQI
21st Jul 2026404 AMAQI
21st Jul 2026365 AMAQI

28°C22/35°C

21st Jul 2026346 AMAQI
21st Jul 2026387 AMAQI
21st Jul 2026468 AMAQI
21st Jul 2026429 AMAQI
21st Jul 20264210 AMAQI
21st Jul 20265111 AMAQI
21st Jul 20265212 PMAQI
21st Jul 2026531 PMAQI
21st Jul 2026502 PMAQI
21st Jul 2026443 PMAQI
21st Jul 2026514 PMAQI
21st Jul 2026555 PMAQI
21st Jul 2026526 PMAQI
21st Jul 2026447 PMAQI
21st Jul 2026468 PMAQI
21st Jul 2026429 PMAQI
21st Jul 20264210 PMAQI
21st Jul 20264211 PMAQI
22nd Jul 20264212 AMAQI
22nd Jul 2026461 AMAQI
22nd Jul 2026422 AMAQI
22nd Jul 2026443 AMAQI
22nd Jul 2026464 AMAQI
22nd Jul 2026485 AMAQI

28°C23/34°C

22nd Jul 2026506 AMAQI
22nd Jul 2026527 AMAQI
22nd Jul 2026508 AMAQI
22nd Jul 2026529 AMAQI
22nd Jul 20265210 AMAQI
22nd Jul 20265211 AMAQI
22nd Jul 20265812 PMAQI
22nd Jul 2026571 PMAQI
22nd Jul 2026552 PMAQI
22nd Jul 2026543 PMAQI
22nd Jul 2026504 PMAQI
22nd Jul 2026495 PMAQI
22nd Jul 2026466 PMAQI
22nd Jul 2026507 PMAQI
22nd Jul 2026488 PMAQI
22nd Jul 2026429 PMAQI
22nd Jul 20264210 PMAQI
22nd Jul 20265011 PMAQI
23rd Jul 20265112 AMAQI
23rd Jul 2026481 AMAQI
23rd Jul 2026512 AMAQI
23rd Jul 2026483 AMAQI
23rd Jul 2026464 AMAQI
23rd Jul 2026505 AMAQI

28°C23/33°C

23rd Jul 2026426 AMAQI
23rd Jul 2026487 AMAQI
23rd Jul 2026468 AMAQI
23rd Jul 2026509 AMAQI
23rd Jul 20264910 AMAQI
23rd Jul 20265411 AMAQI
23rd Jul 20265512 PMAQI
23rd Jul 2026521 PMAQI
23rd Jul 2026522 PMAQI
23rd Jul 2026513 PMAQI
23rd Jul 2026464 PMAQI
23rd Jul 2026425 PMAQI
23rd Jul 2026486 PMAQI
23rd Jul 2026467 PMAQI
23rd Jul 2026468 PMAQI
23rd Jul 2026469 PMAQI
23rd Jul 20265110 PMAQI
23rd Jul 20265211 PMAQI
24th Jul 20265212 AMAQI
24th Jul 2026481 AMAQI
24th Jul 2026462 AMAQI
24th Jul 2026503 AMAQI
24th Jul 2026514 AMAQI
24th Jul 2026425 AMAQI

27°C23/33°C

24th Jul 2026486 AMAQI
24th Jul 2026467 AMAQI
24th Jul 2026468 AMAQI
24th Jul 2026519 AMAQI
24th Jul 20265910 AMAQI
24th Jul 20264611 AMAQI
24th Jul 20265112 PMAQI
24th Jul 2026521 PMAQI
24th Jul 2026552 PMAQI
24th Jul 2026463 PMAQI
24th Jul 2026524 PMAQI
24th Jul 2026535 PMAQI
24th Jul 2026446 PMAQI
24th Jul 2026467 PMAQI
24th Jul 2026428 PMAQI
24th Jul 2026409 PMAQI
24th Jul 20265810 PMAQI
24th Jul 20265011 PMAQI
25th Jul 20264812 AMAQI
25th Jul 2026461 AMAQI
25th Jul 2026422 AMAQI
25th Jul 2026443 AMAQI
25th Jul 2026444 AMAQI
25th Jul 2026445 AMAQI

26°C24/33°C

25th Jul 2026426 AMAQI
25th Jul 2026327 AMAQI
25th Jul 2026408 AMAQI
25th Jul 2026539 AMAQI
25th Jul 20266510 AMAQI
25th Jul 20265411 AMAQI
25th Jul 20265512 PMAQI
25th Jul 2026481 PMAQI
25th Jul 2026442 PMAQI
25th Jul 2026513 PMAQI
25th Jul 2026464 PMAQI
25th Jul 2026465 PMAQI
25th Jul 2026506 PMAQI
25th Jul 2026537 PMAQI
25th Jul 2026488 PMAQI
25th Jul 2026449 PMAQI
25th Jul 20264010 PMAQI
25th Jul 20264011 PMAQI
26th Jul 20264212 AMAQI
26th Jul 2026401 AMAQI
26th Jul 2026282 AMAQI
26th Jul 2026283 AMAQI
26th Jul 2026284 AMAQI
26th Jul 2026345 AMAQI

26°C23/32°C

26th Jul 2026366 AMAQI
26th Jul 2026407 AMAQI
26th Jul 2026408 AMAQI
26th Jul 2026449 AMAQI
26th Jul 20264410 AMAQI
26th Jul 20264411 AMAQI
26th Jul 20264412 PMAQI
26th Jul 2026481 PMAQI
26th Jul 2026542 PMAQI
26th Jul 2026523 PMAQI
26th Jul 2026514 PMAQI
26th Jul 2026465 PMAQI
26th Jul 2026426 PMAQI
26th Jul 2026487 PMAQI
26th Jul 2026488 PMAQI
26th Jul 2026529 PMAQI
26th Jul 20265210 PMAQI
26th Jul 20265211 PMAQI
27th Jul 20265012 AMAQI
27th Jul 2026551 AMAQI
27th Jul 2026542 AMAQI
27th Jul 2026533 AMAQI
27th Jul 2026534 AMAQI
27th Jul 2026535 AMAQI

27°C22/34°C

27th Jul 2026546 AMAQI
27th Jul 2026567 AMAQI
27th Jul 2026548 AMAQI
27th Jul 2026549 AMAQI
27th Jul 20265410 AMAQI
27th Jul 20265911 AMAQI
27th Jul 20265012 PMAQI
27th Jul 2026531 PMAQI
27th Jul 2026512 PMAQI
27th Jul 2026463 PMAQI
27th Jul 2026514 PMAQI
27th Jul 2026485 PMAQI
27th Jul 2026446 PMAQI
27th Jul 2026517 PMAQI
27th Jul 2026528 PMAQI
27th Jul 2026529 PMAQI
27th Jul 20265510 PMAQI
27th Jul 20264811 PMAQI
28th Jul 20265212 AMAQI
28th Jul 2026511 AMAQI
28th Jul 2026552 AMAQI
28th Jul 2026553 AMAQI
28th Jul 2026524 AMAQI
28th Jul 2026505 AMAQI

29°C24/36°C

28th Jul 2026486 AMAQI
28th Jul 2026517 AMAQI
28th Jul 2026508 AMAQI
28th Jul 2026469 AMAQI
28th Jul 20265010 AMAQI
28th Jul 20264211 AMAQI
28th Jul 20264412 PMAQI
28th Jul 2026481 PMAQI
28th Jul 2026462 PMAQI
28th Jul 2026483 PMAQI
28th Jul 2026504 PMAQI
28th Jul 2026505 PMAQI
28th Jul 2026516 PMAQI
28th Jul 2026547 PMAQI
28th Jul 2026538 PMAQI
28th Jul 2026559 PMAQI
28th Jul 20265510 PMAQI
28th Jul 20265611 PMAQI
29th Jul 20265612 AMAQI
29th Jul 2026571 AMAQI
29th Jul 2026512 AMAQI
29th Jul 2026513 AMAQI
29th Jul 2026474 AMAQI
29th Jul 2026365 AMAQI

30°C24/38°C

29th Jul 2026246 AMAQI
29th Jul 2026427 AMAQI
29th Jul 2026448 AMAQI
29th Jul 2026489 AMAQI
29th Jul 20264810 AMAQI
29th Jul 20265311 AMAQI
29th Jul 20265712 PMAQI
29th Jul 2026571 PMAQI
29th Jul 2026592 PMAQI
29th Jul 2026523 PMAQI
29th Jul 2026554 PMAQI
29th Jul 2026565 PMAQI
29th Jul 2026586 PMAQI
29th Jul 2026657 PMAQI
29th Jul 2026708 PMAQI
29th Jul 2026669 PMAQI
29th Jul 20266510 PMAQI
29th Jul 20267411 PMAQI
30th Jul 20267612 AMAQI
30th Jul 2026781 AMAQI
30th Jul 2026802 AMAQI
30th Jul 2026783 AMAQI
30th Jul 2026764 AMAQI
30th Jul 2026815 AMAQI

29°C23/36°C

30th Jul 2026786 AMAQI
30th Jul 2026787 AMAQI
30th Jul 2026808 AMAQI
30th Jul 2026769 AMAQI
30th Jul 20268210 AMAQI
30th Jul 20267611 AMAQI
30th Jul 20267112 PMAQI
30th Jul 2026591 PMAQI
30th Jul 2026632 PMAQI
30th Jul 2026643 PMAQI
30th Jul 2026724 PMAQI
30th Jul 2026765 PMAQI
30th Jul 2026846 PMAQI
30th Jul 2026827 PMAQI
30th Jul 2026788 PMAQI
30th Jul 2026719 PMAQI
30th Jul 20266410 PMAQI
30th Jul 20265611 PMAQI
31st Jul 20265912 AMAQI
31st Jul 2026541 AMAQI
31st Jul 2026482 AMAQI
31st Jul 2026493 AMAQI
31st Jul 2026514 AMAQI
31st Jul 2026495 AMAQI

27°C21/35°C

31st Jul 2026466 AMAQI
31st Jul 2026487 AMAQI
31st Jul 2026448 AMAQI
31st Jul 2026429 AMAQI
31st Jul 20265010 AMAQI
31st Jul 20265311 AMAQI
31st Jul 20265212 PMAQI
31st Jul 2026531 PMAQI
31st Jul 2026522 PMAQI
31st Jul 2026533 PMAQI
31st Jul 2026554 PMAQI
31st Jul 2026535 PMAQI
31st Jul 2026536 PMAQI
31st Jul 2026577 PMAQI
31st Jul 2026588 PMAQI
31st Jul 2026569 PMAQI
31st Jul 20266510 PMAQI
31st Jul 20266911 PMAQI
1st Aug 20266912 AMAQI
1st Aug 2026691 AMAQI
1st Aug 2026682 AMAQI
1st Aug 2026683 AMAQI
1st Aug 2026674 AMAQI
1st Aug 2026645 AMAQI

27°C18/36°C

1st Aug 2026656 AMAQI
1st Aug 2026667 AMAQI
1st Aug 2026628 AMAQI
1st Aug 2026629 AMAQI
1st Aug 20266410 AMAQI
1st Aug 20266611 AMAQI
1st Aug 20266612 PMAQI
1st Aug 2026711 PMAQI
1st Aug 2026672 PMAQI
1st Aug 2026603 PMAQI
1st Aug 2026594 PMAQI
1st Aug 2026545 PMAQI
1st Aug 2026486 PMAQI
1st Aug 2026557 PMAQI
1st Aug 2026488 PMAQI
1st Aug 2026469 PMAQI
1st Aug 20264210 PMAQI
1st Aug 20263811 PMAQI
2nd Aug 20264212 AMAQI
2nd Aug 2026461 AMAQI
2nd Aug 2026442 AMAQI
2nd Aug 2026503 AMAQI
2nd Aug 2026424 AMAQI
2nd Aug 2026485 AMAQI

27°C22/33°C

2nd Aug 2026426 AMAQI
2nd Aug 2026467 AMAQI
2nd Aug 2026428 AMAQI
2nd Aug 2026429 AMAQI
2nd Aug 20264010 AMAQI
2nd Aug 20264411 AMAQI
2nd Aug 20265112 PMAQI
2nd Aug 2026481 PMAQI
2nd Aug 2026422 PMAQI
2nd Aug 2026463 PMAQI
2nd Aug 2026424 PMAQI
2nd Aug 2026425 PMAQI
2nd Aug 2026446 PMAQI
2nd Aug 2026427 PMAQI
2nd Aug 2026568 PMAQI
2nd Aug 2026299 PMAQI
2nd Aug 20263610 PMAQI
2nd Aug 20263111 PMAQI
3rd Aug 20262112 AMAQI
3rd Aug 2026251 AMAQI
3rd Aug 2026322 AMAQI
3rd Aug 2026313 AMAQI
3rd Aug 2026324 AMAQI
3rd Aug 2026425 AMAQI

28°C23/33°C

3rd Aug 2026466 AMAQI
3rd Aug 2026487 AMAQI
3rd Aug 2026448 AMAQI
3rd Aug 2026489 AMAQI
3rd Aug 20264610 AMAQI
3rd Aug 20264811 AMAQI
3rd Aug 20265112 PMAQI
3rd Aug 2026491 PMAQI
3rd Aug 2026362 PMAQI
3rd Aug 2026293 PMAQI
3rd Aug 2026214 PMAQI
3rd Aug 2026255 PMAQI
3rd Aug 2026406 PMAQI
3rd Aug 2026387 PMAQI
3rd Aug 2026388 PMAQI
3rd Aug 2026549 PMAQI
3rd Aug 20264810 PMAQI
3rd Aug 20262911 PMAQI
4th Aug 20263412 AMAQI
4th Aug 2026421 AMAQI
4th Aug 2026402 AMAQI
4th Aug 2026363 AMAQI
4th Aug 2026364 AMAQI
4th Aug 2026485 AMAQI

26°C21/30°C

4th Aug 2026446 AMAQI
4th Aug 2026407 AMAQI
4th Aug 2026508 AMAQI
4th Aug 2026389 AMAQI
4th Aug 20265010 AMAQI
4th Aug 20265011 AMAQI
4th Aug 20265112 PMAQI
4th Aug 2026511 PMAQI
4th Aug 2026492 PMAQI
4th Aug 2026583 PMAQI
4th Aug 2026464 PMAQI
4th Aug 2026425 PMAQI
4th Aug 2026326 PMAQI
4th Aug 2026367 PMAQI
4th Aug 2026658 PMAQI
4th Aug 2026679 PMAQI
4th Aug 20264010 PMAQI
4th Aug 20265011 PMAQI
5th Aug 20265112 AMAQI
5th Aug 2026361 AMAQI
5th Aug 2026232 AMAQI
5th Aug 2026293 AMAQI
5th Aug 2026254 AMAQI
5th Aug 2026315 AMAQI

25°C22/32°C

5th Aug 2026466 AMAQI
5th Aug 2026407 AMAQI
5th Aug 2026338 AMAQI
5th Aug 2026349 AMAQI
5th Aug 20264210 AMAQI
5th Aug 20264211 AMAQI
5th Aug 20264812 PMAQI
5th Aug 2026531 PMAQI
5th Aug 2026482 PMAQI
5th Aug 2026483 PMAQI
5th Aug 2026424 PMAQI
5th Aug 2026405 PMAQI
5th Aug 2026546 PMAQI
5th Aug 2026327 PMAQI
5th Aug 2026388 PMAQI
5th Aug 2026429 PMAQI
5th Aug 20264210 PMAQI
5th Aug 20265011 PMAQI
6th Aug 20264612 AMAQI
6th Aug 2026501 AMAQI
6th Aug 2026402 AMAQI
6th Aug 2026333 AMAQI
6th Aug 2026344 AMAQI
6th Aug 2026365 AMAQI

26°C20/36°C

6th Aug 2026276 AMAQI
6th Aug 2026407 AMAQI
6th Aug 2026648 AMAQI
6th Aug 2026409 AMAQI
6th Aug 20264410 AMAQI
6th Aug 20264611 AMAQI
6th Aug 20265412 PMAQI
6th Aug 2026551 PMAQI
6th Aug 2026532 PMAQI
6th Aug 2026513 PMAQI
6th Aug 2026464 PMAQI
6th Aug 2026465 PMAQI
6th Aug 2026446 PMAQI
6th Aug 2026467 PMAQI
6th Aug 2026448 PMAQI
6th Aug 2026449 PMAQI
6th Aug 20264410 PMAQI
6th Aug 20264011 PMAQI
7th Aug 20264212 AMAQI
7th Aug 2026421 AMAQI
7th Aug 2026402 AMAQI
7th Aug 2026383 AMAQI
7th Aug 2026384 AMAQI
7th Aug 2026275 AMAQI

26°C21/32°C

7th Aug 2026576 AMAQI
7th Aug 2026507 AMAQI
7th Aug 2026468 AMAQI
7th Aug 2026429 AMAQI
7th Aug 20264410 AMAQI
7th Aug 20263311 AMAQI
7th Aug 20263112 PMAQI
7th Aug 2026331 PMAQI
7th Aug 2026382 PMAQI
7th Aug 2026233 PMAQI
7th Aug 2026304 PMAQI
7th Aug 2026325 PMAQI
7th Aug 2026386 PMAQI
7th Aug 2026387 PMAQI
7th Aug 2026368 PMAQI
7th Aug 2026489 PMAQI
7th Aug 20263410 PMAQI
7th Aug 20262511 PMAQI
8th Aug 20264212 AMAQI
8th Aug 2026481 AMAQI
8th Aug 2026442 AMAQI
8th Aug 2026513 AMAQI
8th Aug 2026494 AMAQI
8th Aug 2026425 AMAQI

26°C21/32°C

8th Aug 2026426 AMAQI
8th Aug 2026427 AMAQI
8th Aug 2026338 AMAQI
8th Aug 2026339 AMAQI
8th Aug 20263810 AMAQI
8th Aug 20264211 AMAQI
8th Aug 20264812 PMAQI
8th Aug 2026441 PMAQI
8th Aug 2026502 PMAQI
8th Aug 2026463 PMAQI
8th Aug 2026404 PMAQI
8th Aug 2026385 PMAQI
8th Aug 2026406 PMAQI
8th Aug 2026347 PMAQI
8th Aug 2026258 PMAQI
8th Aug 2026369 PMAQI
8th Aug 20264210 PMAQI
8th Aug 20264611 PMAQI
9th Aug 20264212 AMAQI
9th Aug 2026421 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026333 AMAQI
9th Aug 2026364 AMAQI
9th Aug 2026275 AMAQI

27°C21/34°C

9th Aug 2026386 AMAQI
6 AM
9th Aug 2026337 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026299 AMAQI
9th Aug 20264010 AMAQI
9th Aug 20264211 AMAQI
9th Aug 20264412 PMAQI
9th Aug 2026531 PMAQI
1 PM
9th Aug 2026442 PMAQI
9th Aug 2026423 PMAQI
9th Aug 2026424 PMAQI
9th Aug 2026425 PMAQI
9th Aug 2026466 PMAQI
9th Aug 2026467 PMAQI
9th Aug 2026468 PMAQI
8 PM
9th Aug 2026519 PMAQI
9th Aug 20264210 PMAQI
9th Aug 20264611 PMAQI
1 AM
5 AM

27°C22/33°C

Day time
Avg. Highest Time
1 PM

57AQI

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

39AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 1 PM (Avg. 57), while the lowest AQI was between 6 AM to 6 AM (Avg. 39).
Night time
Avg. Highest Time
9 PM

48AQI

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

38AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 9 PM (Avg. 48), while the lowest AQI was between 2 AM to 2 AM (Avg. 38).

2026 Days Vs Air Quality

Decatur, Georgia, United States

2026

91%

198

9%

19

Total number of days with different AQI categories in last 221 days in 2026 (144 days remaining)

Good
198 Days
Moderate
19 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 91%

Health Risk Level:

Very Low

In 2026, 91% of 221 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, Georgia, 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
40AQI (US)
2nd January 2026
49AQI (US)
3rd January 2026
46AQI (US)
4th January 2026
52AQI (US)
5th January 2026
46AQI (US)
6th January 2026
37AQI (US)
7th January 2026
48AQI (US)
8th January 2026
60AQI (US)
9th January 2026
47AQI (US)
10th January 2026
34AQI (US)
11th January 2026
21AQI (US)
12th January 2026
22AQI (US)
13th January 2026
23AQI (US)
14th January 2026
20AQI (US)
15th January 2026
20AQI (US)
16th January 2026
31AQI (US)
17th January 2026
28AQI (US)
18th January 2026
16AQI (US)
19th January 2026
22AQI (US)
20th January 2026
32AQI (US)
21st January 2026
38AQI (US)
22nd January 2026
42AQI (US)
23rd January 2026
42AQI (US)
24th January 2026
25AQI (US)
25th January 2026
44AQI (US)
26th January 2026
34AQI (US)
27th January 2026
24AQI (US)
28th January 2026
27AQI (US)
29th January 2026
30AQI (US)
30th January 2026
57AQI (US)
31st January 2026
30AQI (US)
1st February 2026
33AQI (US)
2nd February 2026
37AQI (US)
3rd February 2026
44AQI (US)
4th February 2026
32AQI (US)
5th February 2026
41AQI (US)
6th February 2026
32AQI (US)
7th February 2026
33AQI (US)
8th February 2026
44AQI (US)
9th February 2026
42AQI (US)
10th February 2026
46AQI (US)
11th February 2026
44AQI (US)
12th February 2026
63AQI (US)
13th February 2026
43AQI (US)
14th February 2026
35AQI (US)
15th February 2026
35AQI (US)
16th February 2026
47AQI (US)
17th February 2026
31AQI (US)
18th February 2026
37AQI (US)
19th February 2026
34AQI (US)
20th February 2026
34AQI (US)
21st February 2026
39AQI (US)
22nd February 2026
55AQI (US)
23rd February 2026
33AQI (US)
24th February 2026
36AQI (US)
25th February 2026
45AQI (US)
26th February 2026
39AQI (US)
27th February 2026
35AQI (US)
28th February 2026
25AQI (US)
1st March 2026
35AQI (US)
2nd March 2026
52AQI (US)
3rd March 2026
31AQI (US)
4th March 2026
39AQI (US)
5th March 2026
35AQI (US)
6th March 2026
42AQI (US)
7th March 2026
31AQI (US)
8th March 2026
38AQI (US)
9th March 2026
39AQI (US)
10th March 2026
35AQI (US)
11th March 2026
42AQI (US)
12th March 2026
37AQI (US)
13th March 2026
52AQI (US)
14th March 2026
30AQI (US)
15th March 2026
28AQI (US)
16th March 2026
49AQI (US)
17th March 2026
37AQI (US)
18th March 2026
37AQI (US)
19th March 2026
35AQI (US)
20th March 2026
74AQI (US)
21st March 2026
54AQI (US)
22nd March 2026
36AQI (US)
23rd March 2026
39AQI (US)
24th March 2026
29AQI (US)
25th March 2026
45AQI (US)
26th March 2026
66AQI (US)
27th March 2026
34AQI (US)
28th March 2026
23AQI (US)
29th March 2026
29AQI (US)
30th March 2026
35AQI (US)
31st March 2026
35AQI (US)
1st April 2026
30AQI (US)
2nd April 2026
22AQI (US)
3rd April 2026
44AQI (US)
4th April 2026
31AQI (US)
5th April 2026
25AQI (US)
6th April 2026
32AQI (US)
7th April 2026
26AQI (US)
8th April 2026
38AQI (US)
9th April 2026
30AQI (US)
10th April 2026
46AQI (US)
11th April 2026
35AQI (US)
12th April 2026
26AQI (US)
13th April 2026
37AQI (US)
14th April 2026
28AQI (US)
15th April 2026
34AQI (US)
16th April 2026
27AQI (US)
17th April 2026
18th April 2026
26AQI (US)
19th April 2026
24AQI (US)
20th April 2026
23AQI (US)
21st April 2026
18AQI (US)
22nd April 2026
23rd April 2026
28AQI (US)
24th April 2026
45AQI (US)
25th April 2026
30AQI (US)
26th April 2026
36AQI (US)
27th April 2026
17AQI (US)
28th April 2026
31AQI (US)
29th April 2026
31AQI (US)
30th April 2026
22AQI (US)
1st May 2026
28AQI (US)
2nd May 2026
18AQI (US)
3rd May 2026
25AQI (US)
4th May 2026
34AQI (US)
5th May 2026
35AQI (US)
6th May 2026
30AQI (US)
7th May 2026
23AQI (US)
8th May 2026
26AQI (US)
9th May 2026
10th May 2026
25AQI (US)
11th May 2026
23AQI (US)
12th May 2026
23AQI (US)
13th May 2026
24AQI (US)
14th May 2026
23AQI (US)
15th May 2026
37AQI (US)
16th May 2026
43AQI (US)
17th May 2026
52AQI (US)
18th May 2026
50AQI (US)
19th May 2026
52AQI (US)
20th May 2026
46AQI (US)
21st May 2026
43AQI (US)
22nd May 2026
39AQI (US)
23rd May 2026
39AQI (US)
24th May 2026
57AQI (US)
25th May 2026
44AQI (US)
26th May 2026
21AQI (US)
27th May 2026
15AQI (US)
28th May 2026
25AQI (US)
29th May 2026
27AQI (US)
30th May 2026
22AQI (US)
31st May 2026
20AQI (US)
1st June 2026
20AQI (US)
2nd June 2026
20AQI (US)
3rd June 2026
20AQI (US)
4th June 2026
17AQI (US)
5th June 2026
18AQI (US)
6th June 2026
20AQI (US)
7th June 2026
30AQI (US)
8th June 2026
23AQI (US)
9th June 2026
20AQI (US)
10th June 2026
19AQI (US)
11th June 2026
21AQI (US)
12th June 2026
19AQI (US)
13th June 2026
19AQI (US)
14th June 2026
20AQI (US)
15th June 2026
20AQI (US)
16th June 2026
15AQI (US)
17th June 2026
16AQI (US)
18th June 2026
29AQI (US)
19th June 2026
31AQI (US)
20th June 2026
26AQI (US)
21st June 2026
33AQI (US)
22nd June 2026
20AQI (US)
23rd June 2026
24AQI (US)
24th June 2026
21AQI (US)
25th June 2026
36AQI (US)
26th June 2026
22AQI (US)
27th June 2026
25AQI (US)
28th June 2026
29AQI (US)
29th June 2026
23AQI (US)
30th June 2026
22AQI (US)
1st July 2026
20AQI (US)
2nd July 2026
33AQI (US)
3rd July 2026
28AQI (US)
4th July 2026
36AQI (US)
5th July 2026
41AQI (US)
6th July 2026
42AQI (US)
7th July 2026
32AQI (US)
8th July 2026
26AQI (US)
9th July 2026
30AQI (US)
10th July 2026
32AQI (US)
11th July 2026
31AQI (US)
12th July 2026
69AQI (US)
13th July 2026
17AQI (US)
14th July 2026
17AQI (US)
15th July 2026
26AQI (US)
16th July 2026
20AQI (US)
17th July 2026
43AQI (US)
18th July 2026
45AQI (US)
19th July 2026
49AQI (US)
20th July 2026
49AQI (US)
21st July 2026
45AQI (US)
22nd July 2026
49AQI (US)
23rd July 2026
49AQI (US)
24th July 2026
49AQI (US)
25th July 2026
47AQI (US)
26th July 2026
43AQI (US)
27th July 2026
52AQI (US)
28th July 2026
50AQI (US)
29th July 2026
54AQI (US)
30th July 2026
74AQI (US)
31st July 2026
53AQI (US)
1st August 2026
60AQI (US)
2nd August 2026
43AQI (US)
3rd August 2026
38AQI (US)
4th August 2026
46AQI (US)
5th August 2026
40AQI (US)
6th August 2026
44AQI (US)
7th August 2026
38AQI (US)
8th August 2026
41AQI (US)
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

35AQI (US)

39AQI (US)

39AQI (US)

30AQI (US)

32AQI (US)

23AQI (US)

40AQI (US)

44AQI (US)

No. of days

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

202635AQI (US)

28
3
26
2
26
5
28
27
3
30
26
5
7
1
198
19

Highest AQI (US) recorded in

August

44AQI (US)

Lowest AQI (US) recorded in

June

23AQI (US)

202543AQI (US)

2
3
23
7
30
1
18
12
24
7
28
3
15
15
24
7
15
15
17
14
196
84

Highest AQI (US) recorded in

March

49AQI (US)

Lowest AQI (US) recorded in

May

36AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2025(Avg.)
43AQI (US)
Least Polluted Year Recorded
2026(Avg.)
35AQI (US)

Decatur's annual 2026 AQI (US) (35) shows an average percentage change of -18.6% (improved AQI (US)) compared to previous years: 2025 (43).