Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Cecil County, Maryland, 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

Cecil County, Maryland, United States

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
5th Aug 2025
71AQI
Lowest AQI recorded on
21st Aug 2025
13AQI

Same Day Analysis (11th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 41 of Good air quality on the same day.

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

Cecil County, Maryland, United States

AQI
Day
Night
.

5 AM10th Aug 2026

8 PM

4 AM11th Aug 2026

Day time
Avg. Highest Time
11AM10th Aug

52AQI

Avg. Lowest Time
3PM10th Aug

25AQI

Night time
Avg. Highest Time
12AM11th Aug

50AQI

Avg. Lowest Time
11PM10th Aug

22AQI

In the last 24 hours,

Cecil County's AQI reached its highest point of 52 at 11 AM during the Day, while the lowest point, 22, was recorded at 11 PM during the Night between 10th Aug and 11th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Cecil County, Maryland, 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 2026305 AMAQI
13th Jul 2026326 AMAQI
13th Jul 2026267 AMAQI
13th Jul 2026328 AMAQI
13th Jul 2026289 AMAQI
13th Jul 20263810 AMAQI
13th Jul 20262611 AMAQI
13th Jul 20263412 PMAQI
13th Jul 2026351 PMAQI
13th Jul 2026332 PMAQI
13th Jul 2026283 PMAQI
13th Jul 2026334 PMAQI
13th Jul 2026345 PMAQI
13th Jul 2026326 PMAQI
13th Jul 2026287 PMAQI
13th Jul 2026278 PMAQI
13th Jul 2026299 PMAQI
13th Jul 20262710 PMAQI
13th Jul 20262511 PMAQI
14th Jul 20262212 AMAQI
14th Jul 2026211 AMAQI
14th Jul 2026212 AMAQI
14th Jul 2026253 AMAQI
14th Jul 2026314 AMAQI

25°C19/33°C

14th Jul 2026275 AMAQI
14th Jul 2026296 AMAQI
14th Jul 2026327 AMAQI
14th Jul 2026348 AMAQI
14th Jul 2026349 AMAQI
14th Jul 20263210 AMAQI
14th Jul 20263811 AMAQI
14th Jul 20263012 PMAQI
14th Jul 2026281 PMAQI
14th Jul 2026362 PMAQI
14th Jul 2026283 PMAQI
14th Jul 2026334 PMAQI
14th Jul 2026285 PMAQI
14th Jul 2026326 PMAQI
14th Jul 2026337 PMAQI
14th Jul 2026328 PMAQI
14th Jul 2026329 PMAQI
14th Jul 20262610 PMAQI
14th Jul 20262411 PMAQI
15th Jul 20262112 AMAQI
15th Jul 2026201 AMAQI
15th Jul 2026202 AMAQI
15th Jul 2026263 AMAQI
15th Jul 2026294 AMAQI

27°C19/36°C

15th Jul 2026265 AMAQI
15th Jul 2026276 AMAQI
15th Jul 2026307 AMAQI
15th Jul 2026268 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20262510 AMAQI
15th Jul 20262811 AMAQI
15th Jul 20262612 PMAQI
15th Jul 2026301 PMAQI
15th Jul 2026302 PMAQI
15th Jul 2026433 PMAQI
15th Jul 2026324 PMAQI
15th Jul 2026315 PMAQI
15th Jul 2026286 PMAQI
15th Jul 2026327 PMAQI
15th Jul 2026308 PMAQI
15th Jul 2026569 PMAQI
15th Jul 20263210 PMAQI
15th Jul 20263011 PMAQI
16th Jul 20262412 AMAQI
16th Jul 2026251 AMAQI
16th Jul 2026242 AMAQI
16th Jul 2026253 AMAQI
16th Jul 2026274 AMAQI

31°C23/40°C

16th Jul 2026305 AMAQI
16th Jul 2026306 AMAQI
16th Jul 2026307 AMAQI
16th Jul 2026388 AMAQI
16th Jul 2026579 AMAQI
16th Jul 20266210 AMAQI
16th Jul 20263811 AMAQI
16th Jul 20264212 PMAQI
16th Jul 2026381 PMAQI
16th Jul 2026422 PMAQI
16th Jul 2026583 PMAQI
16th Jul 2026664 PMAQI
16th Jul 2026305 PMAQI
16th Jul 2026316 PMAQI
16th Jul 2026487 PMAQI
16th Jul 2026528 PMAQI
16th Jul 2026609 PMAQI
16th Jul 20265710 PMAQI
16th Jul 20265111 PMAQI
17th Jul 20265412 AMAQI
17th Jul 2026501 AMAQI
17th Jul 2026482 AMAQI
17th Jul 2026443 AMAQI
17th Jul 2026514 AMAQI

30°C24/38°C

17th Jul 2026685 AMAQI
17th Jul 2026676 AMAQI
17th Jul 2026707 AMAQI
17th Jul 2026708 AMAQI
17th Jul 2026729 AMAQI
17th Jul 20267610 AMAQI
17th Jul 20267311 AMAQI
17th Jul 202611812 PMAQI
17th Jul 20261161 PMAQI
17th Jul 20261142 PMAQI
17th Jul 20261143 PMAQI
17th Jul 2026654 PMAQI
17th Jul 2026765 PMAQI
17th Jul 20261186 PMAQI
17th Jul 20261157 PMAQI
17th Jul 20261188 PMAQI
17th Jul 20261169 PMAQI
17th Jul 202611310 PMAQI
17th Jul 202611211 PMAQI
18th Jul 202611112 AMAQI
18th Jul 20261121 AMAQI
18th Jul 20261082 AMAQI
18th Jul 20261103 AMAQI
18th Jul 2026624 AMAQI

26°C20/33°C

18th Jul 20261155 AMAQI
18th Jul 20261086 AMAQI
18th Jul 2026697 AMAQI
18th Jul 20261618 AMAQI
18th Jul 2026629 AMAQI
18th Jul 20266410 AMAQI
18th Jul 20267411 AMAQI
18th Jul 20266412 PMAQI
18th Jul 2026641 PMAQI
18th Jul 2026762 PMAQI
18th Jul 20261223 PMAQI
18th Jul 2026904 PMAQI
18th Jul 2026965 PMAQI
18th Jul 2026646 PMAQI
18th Jul 2026687 PMAQI
18th Jul 2026738 PMAQI
18th Jul 2026559 PMAQI
18th Jul 20265610 PMAQI
18th Jul 20266711 PMAQI
19th Jul 20265512 AMAQI
19th Jul 2026481 AMAQI
19th Jul 2026442 AMAQI
19th Jul 2026423 AMAQI
19th Jul 2026424 AMAQI

25°C20/34°C

19th Jul 2026385 AMAQI
19th Jul 2026276 AMAQI
19th Jul 2026257 AMAQI
19th Jul 2026468 AMAQI
19th Jul 2026449 AMAQI
19th Jul 20265410 AMAQI
19th Jul 20267211 AMAQI
19th Jul 20267112 PMAQI
19th Jul 2026741 PMAQI
19th Jul 2026762 PMAQI
19th Jul 2026663 PMAQI
19th Jul 2026684 PMAQI
19th Jul 2026635 PMAQI
19th Jul 2026706 PMAQI
19th Jul 2026607 PMAQI
19th Jul 2026628 PMAQI
19th Jul 2026599 PMAQI
19th Jul 20265610 PMAQI
19th Jul 20266011 PMAQI
20th Jul 20266012 AMAQI
20th Jul 2026601 AMAQI
20th Jul 2026572 AMAQI
20th Jul 2026573 AMAQI
20th Jul 2026574 AMAQI

25°C21/31°C

20th Jul 2026445 AMAQI
20th Jul 2026546 AMAQI
20th Jul 2026387 AMAQI
20th Jul 2026498 AMAQI
20th Jul 2026489 AMAQI
20th Jul 20264210 AMAQI
20th Jul 20262911 AMAQI
20th Jul 20264412 PMAQI
20th Jul 2026331 PMAQI
20th Jul 2026442 PMAQI
20th Jul 2026293 PMAQI
20th Jul 2026444 PMAQI
20th Jul 20261105 PMAQI
20th Jul 2026556 PMAQI
20th Jul 2026487 PMAQI
20th Jul 2026538 PMAQI
20th Jul 2026549 PMAQI
20th Jul 20265110 PMAQI
21st Jul 20265112 AMAQI
21st Jul 2026291 AMAQI
21st Jul 2026552 AMAQI
21st Jul 2026583 AMAQI
21st Jul 2026584 AMAQI

24°C16/32°C

21st Jul 2026535 AMAQI
21st Jul 2026536 AMAQI
21st Jul 2026567 AMAQI
21st Jul 2026318 AMAQI
21st Jul 2026559 AMAQI
21st Jul 20265210 AMAQI
21st Jul 20265011 AMAQI
21st Jul 20264812 PMAQI
21st Jul 2026511 PMAQI
21st Jul 2026482 PMAQI
21st Jul 2026323 PMAQI
21st Jul 2026284 PMAQI
21st Jul 2026245 PMAQI
21st Jul 2026216 PMAQI
21st Jul 2026427 PMAQI
21st Jul 2026228 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20262110 PMAQI
21st Jul 20263811 PMAQI
22nd Jul 20262012 AMAQI
22nd Jul 2026191 AMAQI
22nd Jul 2026182 AMAQI
22nd Jul 2026163 AMAQI
22nd Jul 2026244 AMAQI

26°C21/35°C

22nd Jul 2026265 AMAQI
22nd Jul 2026246 AMAQI
22nd Jul 2026267 AMAQI
22nd Jul 2026248 AMAQI
22nd Jul 2026259 AMAQI
22nd Jul 20262810 AMAQI
22nd Jul 20262611 AMAQI
22nd Jul 20262312 PMAQI
22nd Jul 2026361 PMAQI
22nd Jul 2026192 PMAQI
22nd Jul 2026183 PMAQI
22nd Jul 2026194 PMAQI
22nd Jul 2026225 PMAQI
22nd Jul 2026256 PMAQI
22nd Jul 2026287 PMAQI
22nd Jul 2026268 PMAQI
22nd Jul 2026259 PMAQI
22nd Jul 20262510 PMAQI
22nd Jul 20262511 PMAQI
23rd Jul 20262512 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026292 AMAQI
23rd Jul 2026333 AMAQI
23rd Jul 2026444 AMAQI

26°C21/33°C

23rd Jul 2026295 AMAQI
23rd Jul 2026256 AMAQI
23rd Jul 2026257 AMAQI
23rd Jul 2026258 AMAQI
23rd Jul 2026549 AMAQI
23rd Jul 20267910 AMAQI
23rd Jul 20267811 AMAQI
23rd Jul 20267112 PMAQI
23rd Jul 2026421 PMAQI
23rd Jul 2026682 PMAQI
23rd Jul 2026653 PMAQI
23rd Jul 20261164 PMAQI
23rd Jul 2026495 PMAQI
23rd Jul 2026216 PMAQI
23rd Jul 2026667 PMAQI
23rd Jul 2026508 PMAQI
23rd Jul 2026609 PMAQI
23rd Jul 20262510 PMAQI
23rd Jul 20266011 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026291 AMAQI
24th Jul 2026292 AMAQI
24th Jul 2026253 AMAQI
24th Jul 2026424 AMAQI

23°C17/29°C

24th Jul 2026405 AMAQI
24th Jul 2026466 AMAQI
24th Jul 2026427 AMAQI
24th Jul 2026388 AMAQI
24th Jul 2026389 AMAQI
24th Jul 20264610 AMAQI
24th Jul 20266311 AMAQI
24th Jul 20263312 PMAQI
24th Jul 2026261 PMAQI
24th Jul 2026332 PMAQI
24th Jul 2026383 PMAQI
24th Jul 2026294 PMAQI
24th Jul 2026295 PMAQI
24th Jul 2026256 PMAQI
24th Jul 2026297 PMAQI
24th Jul 2026268 PMAQI
24th Jul 2026299 PMAQI
24th Jul 20262910 PMAQI
24th Jul 20263811 PMAQI
25th Jul 20262512 AMAQI
25th Jul 2026211 AMAQI
25th Jul 2026232 AMAQI
25th Jul 2026293 AMAQI
25th Jul 2026294 AMAQI

23°C16/30°C

25th Jul 2026365 AMAQI
25th Jul 2026386 AMAQI
25th Jul 2026407 AMAQI
25th Jul 2026228 AMAQI
25th Jul 2026279 AMAQI
25th Jul 20262510 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20262512 PMAQI
25th Jul 2026481 PMAQI
25th Jul 2026442 PMAQI
25th Jul 2026253 PMAQI
25th Jul 2026164 PMAQI
25th Jul 2026225 PMAQI
25th Jul 2026206 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026338 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20263311 PMAQI
26th Jul 20263812 AMAQI
26th Jul 2026381 AMAQI
26th Jul 2026382 AMAQI
26th Jul 2026423 AMAQI
26th Jul 2026304 AMAQI

23°C17/30°C

26th Jul 2026335 AMAQI
26th Jul 2026346 AMAQI
26th Jul 2026347 AMAQI
26th Jul 2026348 AMAQI
26th Jul 2026329 AMAQI
26th Jul 20263310 AMAQI
26th Jul 20262211 AMAQI
26th Jul 20263212 PMAQI
26th Jul 2026321 PMAQI
26th Jul 2026312 PMAQI
26th Jul 2026333 PMAQI
26th Jul 2026294 PMAQI
26th Jul 2026385 PMAQI
26th Jul 2026336 PMAQI
26th Jul 2026427 PMAQI
26th Jul 2026428 PMAQI
26th Jul 2026389 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20262211 PMAQI
27th Jul 20265612 AMAQI
27th Jul 2026461 AMAQI
27th Jul 2026362 AMAQI
27th Jul 2026253 AMAQI
27th Jul 2026324 AMAQI

23°C16/31°C

27th Jul 2026235 AMAQI
27th Jul 2026326 AMAQI
27th Jul 2026277 AMAQI
27th Jul 2026228 AMAQI
27th Jul 2026389 AMAQI
27th Jul 20263610 AMAQI
27th Jul 20263411 AMAQI
27th Jul 20263412 PMAQI
27th Jul 2026361 PMAQI
27th Jul 2026362 PMAQI
27th Jul 2026443 PMAQI
27th Jul 2026444 PMAQI
27th Jul 2026385 PMAQI
27th Jul 2026426 PMAQI
27th Jul 2026407 PMAQI
27th Jul 2026408 PMAQI
27th Jul 2026429 PMAQI
27th Jul 20263810 PMAQI
27th Jul 20263811 PMAQI
28th Jul 20264212 AMAQI
28th Jul 2026461 AMAQI
28th Jul 2026442 AMAQI
28th Jul 2026443 AMAQI
28th Jul 2026424 AMAQI

25°C19/33°C

28th Jul 2026405 AMAQI
28th Jul 2026406 AMAQI
28th Jul 2026427 AMAQI
28th Jul 2026388 AMAQI
28th Jul 2026429 AMAQI
28th Jul 20264410 AMAQI
28th Jul 20264211 AMAQI
28th Jul 20264412 PMAQI
28th Jul 2026441 PMAQI
28th Jul 2026472 PMAQI
28th Jul 2026493 PMAQI
28th Jul 2026494 PMAQI
28th Jul 2026485 PMAQI
28th Jul 2026486 PMAQI
28th Jul 2026447 PMAQI
28th Jul 2026478 PMAQI
28th Jul 2026389 PMAQI
28th Jul 20262410 PMAQI
28th Jul 20262611 PMAQI
29th Jul 20262712 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026362 AMAQI
29th Jul 2026253 AMAQI
29th Jul 2026344 AMAQI

24°C21/30°C

29th Jul 2026265 AMAQI
29th Jul 2026346 AMAQI
29th Jul 2026367 AMAQI
29th Jul 2026348 AMAQI
29th Jul 2026349 AMAQI
29th Jul 20263410 AMAQI
29th Jul 20263211 AMAQI
29th Jul 20263412 PMAQI
29th Jul 2026381 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026463 PMAQI
29th Jul 2026334 PMAQI
29th Jul 2026425 PMAQI
29th Jul 2026246 PMAQI
29th Jul 2026297 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262711 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026381 AMAQI
30th Jul 2026382 AMAQI
30th Jul 2026213 AMAQI
30th Jul 2026274 AMAQI

23°C18/30°C

30th Jul 2026255 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026248 AMAQI
30th Jul 2026299 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20263311 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026201 PMAQI
30th Jul 2026182 PMAQI
30th Jul 2026423 PMAQI
30th Jul 2026224 PMAQI
30th Jul 2026185 PMAQI
30th Jul 2026206 PMAQI
30th Jul 2026207 PMAQI
30th Jul 2026218 PMAQI
30th Jul 2026209 PMAQI
30th Jul 20263310 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026211 AMAQI
31st Jul 2026182 AMAQI
31st Jul 2026263 AMAQI
31st Jul 2026254 AMAQI

24°C18/31°C

31st Jul 2026235 AMAQI
31st Jul 2026336 AMAQI
31st Jul 2026197 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026239 AMAQI
31st Jul 20262210 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20264612 PMAQI
31st Jul 2026271 PMAQI
31st Jul 2026382 PMAQI
31st Jul 2026293 PMAQI
31st Jul 2026324 PMAQI
31st Jul 2026325 PMAQI
31st Jul 2026326 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026368 PMAQI
31st Jul 2026259 PMAQI
31st Jul 20262910 PMAQI
31st Jul 20264411 PMAQI
1st Aug 20264412 AMAQI
1st Aug 2026451 AMAQI
1st Aug 2026402 AMAQI
1st Aug 2026383 AMAQI
1st Aug 2026424 AMAQI

25°C19/32°C

1st Aug 2026405 AMAQI
1st Aug 2026386 AMAQI
1st Aug 2026407 AMAQI
1st Aug 2026448 AMAQI
1st Aug 2026409 AMAQI
1st Aug 20264010 AMAQI
1st Aug 20263611 AMAQI
1st Aug 20263812 PMAQI
1st Aug 2026341 PMAQI
1st Aug 2026362 PMAQI
1st Aug 2026253 PMAQI
1st Aug 2026344 PMAQI
1st Aug 2026325 PMAQI
1st Aug 2026366 PMAQI
1st Aug 2026347 PMAQI
1st Aug 2026368 PMAQI
1st Aug 2026389 PMAQI
1st Aug 20263410 PMAQI
1st Aug 20263611 PMAQI
2nd Aug 20263612 AMAQI
2nd Aug 2026521 AMAQI
2nd Aug 2026362 AMAQI
2nd Aug 2026363 AMAQI
2nd Aug 2026324 AMAQI

26°C20/33°C

2nd Aug 2026255 AMAQI
2nd Aug 2026236 AMAQI
2nd Aug 2026237 AMAQI
2nd Aug 2026368 AMAQI
2nd Aug 2026239 AMAQI
2nd Aug 20262710 AMAQI
2nd Aug 20262711 AMAQI
2nd Aug 20263612 PMAQI
2nd Aug 2026401 PMAQI
2nd Aug 2026402 PMAQI
2nd Aug 2026423 PMAQI
2nd Aug 2026424 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026346 PMAQI
2nd Aug 2026347 PMAQI
2nd Aug 2026328 PMAQI
2nd Aug 2026219 PMAQI
2nd Aug 20263610 PMAQI
2nd Aug 20262911 PMAQI
3rd Aug 20264212 AMAQI
3rd Aug 2026461 AMAQI
3rd Aug 2026442 AMAQI
3rd Aug 2026403 AMAQI
3rd Aug 2026364 AMAQI

27°C23/33°C

3rd Aug 2026365 AMAQI
3rd Aug 2026386 AMAQI
3rd Aug 2026387 AMAQI
3rd Aug 2026388 AMAQI
3rd Aug 2026369 AMAQI
3rd Aug 20264210 AMAQI
3rd Aug 20263611 AMAQI
3rd Aug 20263412 PMAQI
3rd Aug 2026361 PMAQI
3rd Aug 2026342 PMAQI
3rd Aug 2026423 PMAQI
3rd Aug 2026384 PMAQI
3rd Aug 2026235 PMAQI
3rd Aug 2026516 PMAQI
3rd Aug 2026387 PMAQI
3rd Aug 2026628 PMAQI
3rd Aug 2026569 PMAQI
3rd Aug 20264510 PMAQI
3rd Aug 20263411 PMAQI
4th Aug 20262312 AMAQI
4th Aug 2026321 AMAQI
4th Aug 2026252 AMAQI
4th Aug 2026253 AMAQI
4th Aug 2026254 AMAQI

27°C24/33°C

4th Aug 2026195 AMAQI
4th Aug 2026256 AMAQI
4th Aug 2026307 AMAQI
4th Aug 2026248 AMAQI
4th Aug 2026259 AMAQI
4th Aug 20263410 AMAQI
4th Aug 20263011 AMAQI
4th Aug 20262812 PMAQI
4th Aug 2026241 PMAQI
4th Aug 2026362 PMAQI
4th Aug 2026463 PMAQI
4th Aug 2026324 PMAQI
4th Aug 2026345 PMAQI
4th Aug 2026336 PMAQI
4th Aug 2026387 PMAQI
4th Aug 2026208 PMAQI
4th Aug 2026249 PMAQI
4th Aug 20262710 PMAQI
4th Aug 20264211 PMAQI
5th Aug 20265012 AMAQI
5th Aug 2026461 AMAQI
5th Aug 2026342 AMAQI
5th Aug 2026253 AMAQI
5th Aug 2026224 AMAQI

25°C19/31°C

5th Aug 2026465 AMAQI
5th Aug 2026466 AMAQI
5th Aug 2026367 AMAQI
5th Aug 2026298 AMAQI
5th Aug 2026269 AMAQI
5th Aug 20263710 AMAQI
5th Aug 20262411 AMAQI
5th Aug 20262612 PMAQI
5th Aug 2026381 PMAQI
5th Aug 2026182 PMAQI
5th Aug 2026423 PMAQI
5th Aug 2026384 PMAQI
5th Aug 2026305 PMAQI
5th Aug 2026296 PMAQI
5th Aug 2026257 PMAQI
5th Aug 2026268 PMAQI
5th Aug 2026299 PMAQI
5th Aug 20262510 PMAQI
5th Aug 20262011 PMAQI
6th Aug 20262012 AMAQI
6th Aug 2026361 AMAQI
6th Aug 2026502 AMAQI
6th Aug 2026253 AMAQI
6th Aug 2026504 AMAQI

25°C22/29°C

6th Aug 2026465 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026327 AMAQI
6th Aug 2026428 AMAQI
6th Aug 2026349 AMAQI
6th Aug 20264610 AMAQI
6th Aug 20263811 AMAQI
6th Aug 20264812 PMAQI
6th Aug 2026401 PMAQI
6th Aug 2026422 PMAQI
6th Aug 2026343 PMAQI
6th Aug 2026484 PMAQI
6th Aug 2026385 PMAQI
6th Aug 2026406 PMAQI
6th Aug 2026297 PMAQI
6th Aug 2026408 PMAQI
6th Aug 2026509 PMAQI
6th Aug 20265210 PMAQI
6th Aug 20265211 PMAQI
7th Aug 20265112 AMAQI
7th Aug 2026341 AMAQI
7th Aug 2026252 AMAQI
7th Aug 2026303 AMAQI
7th Aug 2026404 AMAQI

29°C24/35°C

7th Aug 2026295 AMAQI
7th Aug 2026266 AMAQI
7th Aug 2026267 AMAQI
7th Aug 2026268 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262810 AMAQI
7th Aug 20263311 AMAQI
7th Aug 20263312 PMAQI
7th Aug 2026331 PMAQI
7th Aug 2026332 PMAQI
7th Aug 2026423 PMAQI
7th Aug 2026384 PMAQI
7th Aug 2026505 PMAQI
7th Aug 2026526 PMAQI
7th Aug 2026427 PMAQI
7th Aug 2026428 PMAQI
7th Aug 2026429 PMAQI
7th Aug 20263810 PMAQI
7th Aug 20264211 PMAQI
8th Aug 20263812 AMAQI
8th Aug 2026331 AMAQI
8th Aug 2026382 AMAQI
8th Aug 2026253 AMAQI
8th Aug 2026384 AMAQI

28°C23/35°C

8th Aug 2026265 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026298 AMAQI
8th Aug 2026339 AMAQI
8th Aug 20262210 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262912 PMAQI
8th Aug 2026291 PMAQI
8th Aug 2026382 PMAQI
8th Aug 2026423 PMAQI
8th Aug 2026464 PMAQI
8th Aug 2026505 PMAQI
8th Aug 2026466 PMAQI
8th Aug 2026467 PMAQI
8th Aug 2026298 PMAQI
8th Aug 2026269 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026251 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026263 AMAQI
9th Aug 2026294 AMAQI

26°C22/33°C

9th Aug 2026295 AMAQI
9th Aug 2026296 AMAQI
9th Aug 2026297 AMAQI
9th Aug 2026268 AMAQI
9th Aug 2026309 AMAQI
9th Aug 20264010 AMAQI
9th Aug 20263111 AMAQI
9th Aug 20264212 PMAQI
9th Aug 2026401 PMAQI
9th Aug 2026422 PMAQI
9th Aug 2026383 PMAQI
9th Aug 2026424 PMAQI
9th Aug 2026405 PMAQI
9th Aug 2026486 PMAQI
9th Aug 2026427 PMAQI
9th Aug 2026368 PMAQI
9th Aug 2026469 PMAQI
9th Aug 20264610 PMAQI
9th Aug 20263811 PMAQI
10th Aug 20264412 AMAQI
10th Aug 2026381 AMAQI
10th Aug 2026402 AMAQI
10th Aug 2026423 AMAQI
10th Aug 2026404 AMAQI

28°C22/35°C

10th Aug 2026425 AMAQI
10th Aug 2026406 AMAQI
10th Aug 2026407 AMAQI
10th Aug 2026468 AMAQI
10th Aug 2026469 AMAQI
10th Aug 20264010 AMAQI
10th Aug 20265211 AMAQI
10th Aug 20263612 PMAQI
10th Aug 2026421 PMAQI
10th Aug 2026462 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026294 PMAQI
10th Aug 2026365 PMAQI
10th Aug 2026406 PMAQI
10th Aug 2026427 PMAQI
10th Aug 2026338 PMAQI
10th Aug 2026249 PMAQI
10th Aug 20262610 PMAQI
10th Aug 20262211 PMAQI
11th Aug 20265012 AMAQI
11th Aug 2026421 AMAQI
11th Aug 2026382 AMAQI
11th Aug 2026253 AMAQI
11th Aug 2026234 AMAQI

26°C21/34°C

11th Aug 2026295 AMAQI
5 AM
11th Aug 2026286 AMAQI
11th Aug 2026277 AMAQI
11th Aug 2026298 AMAQI
11th Aug 2026469 AMAQI
11th Aug 20264210 AMAQI
11th Aug 20264411 AMAQI
11th Aug 20264212 PMAQI
12 PM
11th Aug 2026421 PMAQI
11th Aug 2026382 PMAQI
11th Aug 2026483 PMAQI
11th Aug 2026424 PMAQI
11th Aug 2026425 PMAQI
11th Aug 2026446 PMAQI
11th Aug 2026467 PMAQI
11th Aug 2026508 PMAQI
8 PM
11th Aug 2026549 PMAQI
11th Aug 20265310 PMAQI
11th Aug 20266211 PMAQI
12 AM
4 AM

26°C21/32°C

Day time
Avg. Highest Time
3 PM

45AQI

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

35AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 3 PM (Avg. 45), while the lowest AQI was between 7 AM to 7 AM (Avg. 35).
Night time
Avg. Highest Time
9 PM

41AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM - 4 AM

36AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 9 PM (Avg. 41), while the lowest AQI was between 3 AM to 4 AM (Avg. 36).

2026 Days Vs Air Quality

Cecil County, Maryland, United States

2026

92%

203

8%

17

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

Good
203 Days
Moderate
17 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 92%

Health Risk Level:

Very Low

In 2026, 92% 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

Cecil County, Maryland, 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
21AQI (US)
2nd January 2026
30AQI (US)
3rd January 2026
45AQI (US)
4th January 2026
51AQI (US)
5th January 2026
47AQI (US)
6th January 2026
60AQI (US)
7th January 2026
52AQI (US)
8th January 2026
33AQI (US)
9th January 2026
33AQI (US)
10th January 2026
33AQI (US)
11th January 2026
20AQI (US)
12th January 2026
17AQI (US)
13th January 2026
26AQI (US)
14th January 2026
29AQI (US)
15th January 2026
24AQI (US)
16th January 2026
18AQI (US)
17th January 2026
31AQI (US)
18th January 2026
62AQI (US)
19th January 2026
33AQI (US)
20th January 2026
22AQI (US)
21st January 2026
33AQI (US)
22nd January 2026
48AQI (US)
23rd January 2026
53AQI (US)
24th January 2026
48AQI (US)
25th January 2026
47AQI (US)
26th January 2026
48AQI (US)
27th January 2026
40AQI (US)
28th January 2026
45AQI (US)
29th January 2026
52AQI (US)
30th January 2026
55AQI (US)
31st January 2026
44AQI (US)
1st February 2026
46AQI (US)
2nd February 2026
49AQI (US)
3rd February 2026
47AQI (US)
4th February 2026
47AQI (US)
5th February 2026
49AQI (US)
6th February 2026
44AQI (US)
7th February 2026
40AQI (US)
8th February 2026
45AQI (US)
9th February 2026
46AQI (US)
10th February 2026
45AQI (US)
11th February 2026
39AQI (US)
12th February 2026
39AQI (US)
13th February 2026
47AQI (US)
14th February 2026
49AQI (US)
15th February 2026
41AQI (US)
16th February 2026
44AQI (US)
17th February 2026
43AQI (US)
18th February 2026
42AQI (US)
19th February 2026
42AQI (US)
20th February 2026
39AQI (US)
21st February 2026
36AQI (US)
22nd February 2026
36AQI (US)
23rd February 2026
38AQI (US)
24th February 2026
45AQI (US)
25th February 2026
44AQI (US)
26th February 2026
33AQI (US)
27th February 2026
33AQI (US)
28th February 2026
33AQI (US)
1st March 2026
38AQI (US)
2nd March 2026
55AQI (US)
3rd March 2026
45AQI (US)
4th March 2026
45AQI (US)
5th March 2026
37AQI (US)
6th March 2026
30AQI (US)
7th March 2026
37AQI (US)
8th March 2026
39AQI (US)
9th March 2026
36AQI (US)
10th March 2026
32AQI (US)
11th March 2026
40AQI (US)
12th March 2026
40AQI (US)
13th March 2026
39AQI (US)
14th March 2026
34AQI (US)
15th March 2026
34AQI (US)
16th March 2026
36AQI (US)
17th March 2026
33AQI (US)
18th March 2026
31AQI (US)
19th March 2026
34AQI (US)
20th March 2026
37AQI (US)
21st March 2026
36AQI (US)
22nd March 2026
34AQI (US)
23rd March 2026
40AQI (US)
24th March 2026
36AQI (US)
25th March 2026
32AQI (US)
26th March 2026
27AQI (US)
27th March 2026
30AQI (US)
28th March 2026
30AQI (US)
29th March 2026
27AQI (US)
30th March 2026
25AQI (US)
31st March 2026
23AQI (US)
1st April 2026
29AQI (US)
2nd April 2026
30AQI (US)
3rd April 2026
28AQI (US)
4th April 2026
31AQI (US)
5th April 2026
29AQI (US)
6th April 2026
29AQI (US)
7th April 2026
28AQI (US)
8th April 2026
39AQI (US)
9th April 2026
28AQI (US)
10th April 2026
30AQI (US)
11th April 2026
31AQI (US)
12th April 2026
26AQI (US)
13th April 2026
30AQI (US)
14th April 2026
32AQI (US)
15th April 2026
32AQI (US)
16th April 2026
30AQI (US)
17th April 2026
18th April 2026
31AQI (US)
19th April 2026
33AQI (US)
20th April 2026
29AQI (US)
21st April 2026
27AQI (US)
22nd April 2026
23rd April 2026
23AQI (US)
24th April 2026
24AQI (US)
25th April 2026
27AQI (US)
26th April 2026
33AQI (US)
27th April 2026
28AQI (US)
28th April 2026
26AQI (US)
29th April 2026
25AQI (US)
30th April 2026
28AQI (US)
1st May 2026
27AQI (US)
2nd May 2026
23AQI (US)
3rd May 2026
21AQI (US)
4th May 2026
35AQI (US)
5th May 2026
39AQI (US)
6th May 2026
30AQI (US)
7th May 2026
28AQI (US)
8th May 2026
29AQI (US)
9th May 2026
10th May 2026
31AQI (US)
11th May 2026
29AQI (US)
12th May 2026
32AQI (US)
13th May 2026
28AQI (US)
14th May 2026
27AQI (US)
15th May 2026
47AQI (US)
16th May 2026
52AQI (US)
17th May 2026
56AQI (US)
18th May 2026
57AQI (US)
19th May 2026
54AQI (US)
20th May 2026
50AQI (US)
21st May 2026
45AQI (US)
22nd May 2026
44AQI (US)
23rd May 2026
51AQI (US)
24th May 2026
47AQI (US)
25th May 2026
45AQI (US)
26th May 2026
28AQI (US)
27th May 2026
27AQI (US)
28th May 2026
24AQI (US)
29th May 2026
19AQI (US)
30th May 2026
18AQI (US)
31st May 2026
26AQI (US)
1st June 2026
29AQI (US)
2nd June 2026
29AQI (US)
3rd June 2026
23AQI (US)
4th June 2026
23AQI (US)
5th June 2026
27AQI (US)
6th June 2026
25AQI (US)
7th June 2026
22AQI (US)
8th June 2026
21AQI (US)
9th June 2026
21AQI (US)
10th June 2026
26AQI (US)
11th June 2026
26AQI (US)
12th June 2026
26AQI (US)
13th June 2026
22AQI (US)
14th June 2026
24AQI (US)
15th June 2026
24AQI (US)
16th June 2026
27AQI (US)
17th June 2026
27AQI (US)
18th June 2026
27AQI (US)
19th June 2026
23AQI (US)
20th June 2026
21AQI (US)
21st June 2026
19AQI (US)
22nd June 2026
24AQI (US)
23rd June 2026
20AQI (US)
24th June 2026
22AQI (US)
25th June 2026
25AQI (US)
26th June 2026
26AQI (US)
27th June 2026
29AQI (US)
28th June 2026
28AQI (US)
29th June 2026
24AQI (US)
30th June 2026
25AQI (US)
1st July 2026
26AQI (US)
2nd July 2026
49AQI (US)
3rd July 2026
56AQI (US)
4th July 2026
28AQI (US)
5th July 2026
32AQI (US)
6th July 2026
24AQI (US)
7th July 2026
20AQI (US)
8th July 2026
13AQI (US)
9th July 2026
20AQI (US)
10th July 2026
31AQI (US)
11th July 2026
29AQI (US)
12th July 2026
29AQI (US)
13th July 2026
29AQI (US)
14th July 2026
30AQI (US)
15th July 2026
29AQI (US)
16th July 2026
41AQI (US)
17th July 2026
85AQI (US)
18th July 2026
85AQI (US)
19th July 2026
55AQI (US)
20th July 2026
50AQI (US)
21st July 2026
42AQI (US)
22nd July 2026
24AQI (US)
23rd July 2026
48AQI (US)
24th July 2026
34AQI (US)
25th July 2026
29AQI (US)
26th July 2026
33AQI (US)
27th July 2026
37AQI (US)
28th July 2026
42AQI (US)
29th July 2026
31AQI (US)
30th July 2026
26AQI (US)
31st July 2026
28AQI (US)
1st August 2026
38AQI (US)
2nd August 2026
33AQI (US)
3rd August 2026
40AQI (US)
4th August 2026
29AQI (US)
5th August 2026
32AQI (US)
6th August 2026
40AQI (US)
7th August 2026
36AQI (US)
8th August 2026
33AQI (US)
9th August 2026
35AQI (US)
10th August 2026
38AQI (US)
11th August 2026
41AQI (US)
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

39AQI (US)

42AQI (US)

35AQI (US)

29AQI (US)

36AQI (US)

25AQI (US)

37AQI (US)

36AQI (US)

No. of days

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

202635AQI (US)

24
7
28
30
1
28
25
5
30
27
4
11
203
17

Highest AQI (US) recorded in

February

42AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202532AQI (US)

27
4
28
30
1
29
1
31
22
8
28
3
28
3
30
29
2
26
4
24
7
332
33

Highest AQI (US) recorded in

June

40AQI (US)

Lowest AQI (US) recorded in

May

20AQI (US)

202435AQI (US)

27
4
25
4
31
28
2
30
1
28
2
27
4
22
9
30
26
5
29
1
28
3
331
35

Highest AQI (US) recorded in

June

40AQI (US)

Lowest AQI (US) recorded in

November

26AQI (US)

202334AQI (US)

29
2
27
1
29
2
30
27
4
14
12
1
3
24
7
29
2
30
31
27
1
30
1
327
32
1
3

Highest AQI (US) recorded in

June

64AQI (US)

Lowest AQI (US) recorded in

November

22AQI (US)

202233AQI (US)

22
7
19
2
31
30
30
1
29
1
25
3
30
30
1
27
1
28
2
304
15

Highest AQI (US) recorded in

July

39AQI (US)

Lowest AQI (US) recorded in

November

25AQI (US)

202136AQI (US)

24
5
23
5
29
2
29
1
31
29
1
17
13
1
29
2
29
1
29
27
2
30
326
32
1

Highest AQI (US) recorded in

July

50AQI (US)

Lowest AQI (US) recorded in

October

28AQI (US)

202030AQI (US)

11
21
16
28
29
2
31
29
1
31
26
2
28
3
250
8

Highest AQI (US) recorded in

July

36AQI (US)

Lowest AQI (US) recorded in

October

25AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2021(Avg.)
36AQI (US)
Least Polluted Year Recorded
2020(Avg.)
30AQI (US)

Cecil County's annual 2026 AQI (US) (35) shows an average percentage change of 5.3% (worsened AQI (US)) compared to previous years: 2020 (30), 2021 (36), 2022 (33), 2023 (34), 2024 (35), 2025 (32).