Rockville, 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
Rockville, Maryland, United States
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Aug 2025
66AQILowest AQI recorded on
21st Aug 2025
16AQISame Day Analysis (16th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 50 of Good air quality on the same day.
Day & Night AQI Trend: 16th Aug - 17th Aug 2026
Rockville, Maryland, United States
AQI
Day
Night
.
6 AM16th Aug 2026
8 PM
5 AM17th Aug 2026
Day time
Avg. Highest Time
3PM16th Aug
54AQI
Avg. Lowest Time
4PM16th Aug
46AQI
Night time
Avg. Highest Time
5AM17th Aug
52AQI
Avg. Lowest Time
4AM17th Aug
38AQI
In the last 24 hours,
Rockville's AQI reached its highest point of 54 at 3 PM during the Day, while the lowest point, 38, was recorded at 4 AM during the Night between 16th Aug and 17th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Rockville, Maryland, United States
JulAug
19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th
Day
Night
19th Jul 2026426 AMAQI
19th Jul 2026427 AMAQI
19th Jul 2026558 AMAQI
19th Jul 2026409 AMAQI
19th Jul 20264910 AMAQI
19th Jul 20265411 AMAQI
19th Jul 20266012 PMAQI
19th Jul 2026711 PMAQI
19th Jul 2026802 PMAQI
19th Jul 2026843 PMAQI
19th Jul 2026834 PMAQI
19th Jul 2026825 PMAQI
19th Jul 2026746 PMAQI
19th Jul 2026787 PMAQI
19th Jul 2026708 PMAQI
19th Jul 2026699 PMAQI
19th Jul 20266610 PMAQI
19th Jul 20266511 PMAQI
20th Jul 20266512 AMAQI
20th Jul 2026641 AMAQI
20th Jul 2026622 AMAQI
20th Jul 2026603 AMAQI
20th Jul 2026604 AMAQI
20th Jul 2026605 AMAQI
26°C22/33°C
20th Jul 2026596 AMAQI
20th Jul 2026567 AMAQI
20th Jul 2026568 AMAQI
20th Jul 2026589 AMAQI
20th Jul 20265310 AMAQI
20th Jul 20265411 AMAQI
20th Jul 20265412 PMAQI
20th Jul 2026481 PMAQI
20th Jul 2026512 PMAQI
20th Jul 2026523 PMAQI
20th Jul 2026584 PMAQI
20th Jul 2026515 PMAQI
20th Jul 2026556 PMAQI
20th Jul 2026537 PMAQI
20th Jul 2026588 PMAQI
20th Jul 2026579 PMAQI
20th Jul 20266410 PMAQI
21st Jul 20266012 AMAQI
21st Jul 2026601 AMAQI
21st Jul 2026642 AMAQI
21st Jul 2026643 AMAQI
21st Jul 2026644 AMAQI
21st Jul 2026625 AMAQI
24°C17/33°C
21st Jul 2026576 AMAQI
21st Jul 2026557 AMAQI
21st Jul 2026488 AMAQI
21st Jul 2026529 AMAQI
21st Jul 20265010 AMAQI
21st Jul 20264611 AMAQI
21st Jul 20264612 PMAQI
21st Jul 2026441 PMAQI
21st Jul 2026512 PMAQI
21st Jul 2026463 PMAQI
21st Jul 2026334 PMAQI
21st Jul 2026235 PMAQI
21st Jul 2026216 PMAQI
21st Jul 2026257 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026299 PMAQI
21st Jul 20262910 PMAQI
21st Jul 20264211 PMAQI
22nd Jul 20263312 AMAQI
22nd Jul 2026331 AMAQI
22nd Jul 2026422 AMAQI
22nd Jul 2026543 AMAQI
22nd Jul 2026404 AMAQI
22nd Jul 2026505 AMAQI
26°C23/36°C
22nd Jul 2026466 AMAQI
22nd Jul 2026387 AMAQI
22nd Jul 2026338 AMAQI
22nd Jul 2026239 AMAQI
22nd Jul 20262910 AMAQI
22nd Jul 20262111 AMAQI
22nd Jul 20263612 PMAQI
22nd Jul 2026401 PMAQI
22nd Jul 2026382 PMAQI
22nd Jul 2026363 PMAQI
22nd Jul 2026384 PMAQI
22nd Jul 2026405 PMAQI
22nd Jul 2026386 PMAQI
22nd Jul 2026367 PMAQI
22nd Jul 2026518 PMAQI
22nd Jul 2026339 PMAQI
22nd Jul 20264410 PMAQI
22nd Jul 20264211 PMAQI
23rd Jul 20263112 AMAQI
23rd Jul 2026361 AMAQI
23rd Jul 2026482 AMAQI
23rd Jul 2026483 AMAQI
23rd Jul 2026294 AMAQI
23rd Jul 2026255 AMAQI
26°C20/34°C
23rd Jul 2026236 AMAQI
23rd Jul 2026257 AMAQI
23rd Jul 2026298 AMAQI
23rd Jul 2026259 AMAQI
23rd Jul 20262510 AMAQI
23rd Jul 20262111 AMAQI
23rd Jul 20261812 PMAQI
23rd Jul 2026141 PMAQI
23rd Jul 2026142 PMAQI
23rd Jul 2026203 PMAQI
23rd Jul 2026244 PMAQI
23rd Jul 2026335 PMAQI
23rd Jul 2026296 PMAQI
23rd Jul 2026217 PMAQI
23rd Jul 2026408 PMAQI
23rd Jul 2026369 PMAQI
23rd Jul 20262610 PMAQI
23rd Jul 20263311 PMAQI
24th Jul 20263112 AMAQI
24th Jul 2026331 AMAQI
24th Jul 2026422 AMAQI
24th Jul 2026443 AMAQI
24th Jul 2026404 AMAQI
24th Jul 2026405 AMAQI
22°C16/30°C
24th Jul 2026446 AMAQI
24th Jul 2026387 AMAQI
24th Jul 2026368 AMAQI
24th Jul 2026449 AMAQI
24th Jul 20264210 AMAQI
24th Jul 20264811 AMAQI
24th Jul 20264612 PMAQI
24th Jul 2026311 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026253 PMAQI
24th Jul 2026294 PMAQI
24th Jul 2026295 PMAQI
24th Jul 2026216 PMAQI
24th Jul 2026387 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026239 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20263811 PMAQI
25th Jul 20263412 AMAQI
25th Jul 2026251 AMAQI
25th Jul 2026212 AMAQI
25th Jul 2026143 AMAQI
25th Jul 2026124 AMAQI
25th Jul 2026205 AMAQI
22°C15/31°C
25th Jul 2026226 AMAQI
25th Jul 2026217 AMAQI
25th Jul 2026218 AMAQI
25th Jul 2026229 AMAQI
25th Jul 20262010 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20262112 PMAQI
25th Jul 2026341 PMAQI
25th Jul 2026362 PMAQI
25th Jul 2026233 PMAQI
25th Jul 2026194 PMAQI
25th Jul 2026205 PMAQI
25th Jul 2026286 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20262912 AMAQI
26th Jul 2026321 AMAQI
26th Jul 2026382 AMAQI
26th Jul 2026383 AMAQI
26th Jul 2026234 AMAQI
26th Jul 2026295 AMAQI
23°C19/30°C
26th Jul 2026256 AMAQI
26th Jul 2026367 AMAQI
26th Jul 2026348 AMAQI
26th Jul 2026369 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20263611 AMAQI
26th Jul 20263412 PMAQI
26th Jul 2026231 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026293 PMAQI
26th Jul 2026364 PMAQI
26th Jul 2026405 PMAQI
26th Jul 2026426 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026348 PMAQI
26th Jul 2026449 PMAQI
26th Jul 20263810 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026291 AMAQI
27th Jul 2026292 AMAQI
27th Jul 2026273 AMAQI
27th Jul 2026274 AMAQI
27th Jul 2026445 AMAQI
23°C17/31°C
27th Jul 2026406 AMAQI
27th Jul 2026427 AMAQI
27th Jul 2026408 AMAQI
27th Jul 2026429 AMAQI
27th Jul 20264010 AMAQI
27th Jul 20264611 AMAQI
27th Jul 20265112 PMAQI
27th Jul 2026491 PMAQI
27th Jul 2026482 PMAQI
27th Jul 2026483 PMAQI
27th Jul 2026444 PMAQI
27th Jul 2026495 PMAQI
27th Jul 2026466 PMAQI
27th Jul 2026517 PMAQI
27th Jul 2026498 PMAQI
27th Jul 2026529 PMAQI
27th Jul 20265010 PMAQI
27th Jul 20264611 PMAQI
28th Jul 20264612 AMAQI
28th Jul 2026521 AMAQI
28th Jul 2026522 AMAQI
28th Jul 2026523 AMAQI
28th Jul 2026524 AMAQI
28th Jul 2026515 AMAQI
26°C20/33°C
28th Jul 2026536 AMAQI
28th Jul 2026527 AMAQI
28th Jul 2026558 AMAQI
28th Jul 2026549 AMAQI
28th Jul 20265410 AMAQI
28th Jul 20265311 AMAQI
28th Jul 20265512 PMAQI
28th Jul 2026551 PMAQI
28th Jul 2026592 PMAQI
28th Jul 2026563 PMAQI
28th Jul 2026554 PMAQI
28th Jul 2026555 PMAQI
28th Jul 2026526 PMAQI
28th Jul 2026467 PMAQI
28th Jul 2026478 PMAQI
28th Jul 2026479 PMAQI
28th Jul 20265410 PMAQI
28th Jul 20264911 PMAQI
29th Jul 20264212 AMAQI
29th Jul 2026381 AMAQI
29th Jul 2026402 AMAQI
29th Jul 2026273 AMAQI
29th Jul 2026364 AMAQI
29th Jul 2026255 AMAQI
25°C21/31°C
29th Jul 2026386 AMAQI
29th Jul 2026267 AMAQI
29th Jul 2026238 AMAQI
29th Jul 2026319 AMAQI
29th Jul 20263810 AMAQI
29th Jul 20264511 AMAQI
29th Jul 20264412 PMAQI
29th Jul 2026381 PMAQI
29th Jul 2026382 PMAQI
29th Jul 2026503 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026385 PMAQI
29th Jul 2026276 PMAQI
29th Jul 2026387 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20264610 PMAQI
29th Jul 20263811 PMAQI
30th Jul 20263612 AMAQI
30th Jul 2026361 AMAQI
30th Jul 2026422 AMAQI
30th Jul 2026213 AMAQI
30th Jul 2026274 AMAQI
30th Jul 2026255 AMAQI
23°C19/31°C
30th Jul 2026226 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026228 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20261612 PMAQI
30th Jul 2026161 PMAQI
30th Jul 2026152 PMAQI
30th Jul 2026163 PMAQI
30th Jul 2026184 PMAQI
30th Jul 2026145 PMAQI
30th Jul 2026156 PMAQI
30th Jul 2026177 PMAQI
30th Jul 2026168 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20264210 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026191 AMAQI
31st Jul 2026212 AMAQI
31st Jul 2026293 AMAQI
31st Jul 2026254 AMAQI
31st Jul 2026295 AMAQI
24°C17/31°C
31st Jul 2026366 AMAQI
31st Jul 2026277 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026279 AMAQI
31st Jul 20264010 AMAQI
31st Jul 20263211 AMAQI
31st Jul 20263612 PMAQI
31st Jul 2026271 PMAQI
31st Jul 2026232 PMAQI
31st Jul 2026213 PMAQI
31st Jul 2026314 PMAQI
31st Jul 2026235 PMAQI
31st Jul 2026366 PMAQI
31st Jul 2026297 PMAQI
31st Jul 2026408 PMAQI
31st Jul 2026339 PMAQI
31st Jul 20263810 PMAQI
31st Jul 20264711 PMAQI
1st Aug 20264412 AMAQI
1st Aug 2026461 AMAQI
1st Aug 2026422 AMAQI
1st Aug 2026423 AMAQI
1st Aug 2026384 AMAQI
1st Aug 2026405 AMAQI
25°C19/32°C
1st Aug 2026366 AMAQI
1st Aug 2026367 AMAQI
1st Aug 2026408 AMAQI
1st Aug 2026409 AMAQI
1st Aug 20263810 AMAQI
1st Aug 20264711 AMAQI
1st Aug 20264912 PMAQI
1st Aug 2026481 PMAQI
1st Aug 2026472 PMAQI
1st Aug 2026423 PMAQI
1st Aug 2026424 PMAQI
1st Aug 2026425 PMAQI
1st Aug 2026426 PMAQI
1st Aug 2026407 PMAQI
1st Aug 2026478 PMAQI
1st Aug 2026489 PMAQI
1st Aug 20264610 PMAQI
1st Aug 20265111 PMAQI
2nd Aug 20264612 AMAQI
2nd Aug 2026461 AMAQI
2nd Aug 2026522 AMAQI
2nd Aug 2026503 AMAQI
2nd Aug 2026484 AMAQI
2nd Aug 2026515 AMAQI
26°C19/34°C
2nd Aug 2026426 AMAQI
2nd Aug 2026237 AMAQI
2nd Aug 2026238 AMAQI
2nd Aug 2026259 AMAQI
2nd Aug 20262710 AMAQI
2nd Aug 20263211 AMAQI
2nd Aug 20263612 PMAQI
2nd Aug 2026381 PMAQI
2nd Aug 2026442 PMAQI
2nd Aug 2026443 PMAQI
2nd Aug 2026404 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026466 PMAQI
2nd Aug 2026367 PMAQI
2nd Aug 2026428 PMAQI
2nd Aug 2026219 PMAQI
2nd Aug 20264010 PMAQI
2nd Aug 20262311 PMAQI
3rd Aug 20262512 AMAQI
3rd Aug 2026291 AMAQI
3rd Aug 2026312 AMAQI
3rd Aug 2026273 AMAQI
3rd Aug 2026274 AMAQI
3rd Aug 2026385 AMAQI
25°C22/31°C
3rd Aug 2026366 AMAQI
3rd Aug 2026387 AMAQI
3rd Aug 2026368 AMAQI
3rd Aug 2026429 AMAQI
3rd Aug 20264210 AMAQI
3rd Aug 20263811 AMAQI
3rd Aug 20264012 PMAQI
3rd Aug 2026441 PMAQI
3rd Aug 2026322 PMAQI
3rd Aug 2026383 PMAQI
3rd Aug 2026344 PMAQI
3rd Aug 2026205 PMAQI
3rd Aug 2026366 PMAQI
3rd Aug 2026367 PMAQI
3rd Aug 2026428 PMAQI
3rd Aug 2026409 PMAQI
3rd Aug 20264010 PMAQI
3rd Aug 20263611 PMAQI
4th Aug 20262512 AMAQI
4th Aug 2026341 AMAQI
4th Aug 2026252 AMAQI
4th Aug 2026423 AMAQI
4th Aug 2026254 AMAQI
4th Aug 2026215 AMAQI
26°C22/31°C
4th Aug 2026276 AMAQI
4th Aug 2026307 AMAQI
4th Aug 2026258 AMAQI
4th Aug 2026239 AMAQI
4th Aug 20263410 AMAQI
4th Aug 20264411 AMAQI
4th Aug 20262212 PMAQI
4th Aug 2026161 PMAQI
4th Aug 2026252 PMAQI
4th Aug 2026503 PMAQI
4th Aug 2026384 PMAQI
4th Aug 2026345 PMAQI
4th Aug 2026136 PMAQI
4th Aug 2026157 PMAQI
4th Aug 2026208 PMAQI
4th Aug 2026169 PMAQI
4th Aug 20262210 PMAQI
4th Aug 20264411 PMAQI
5th Aug 20264212 AMAQI
5th Aug 2026331 AMAQI
5th Aug 2026362 AMAQI
5th Aug 2026253 AMAQI
5th Aug 2026214 AMAQI
5th Aug 2026385 AMAQI
25°C19/31°C
5th Aug 2026466 AMAQI
5th Aug 2026367 AMAQI
5th Aug 2026298 AMAQI
5th Aug 2026279 AMAQI
5th Aug 20263810 AMAQI
5th Aug 20262711 AMAQI
5th Aug 20262612 PMAQI
5th Aug 2026401 PMAQI
5th Aug 2026202 PMAQI
5th Aug 2026423 PMAQI
5th Aug 2026254 PMAQI
5th Aug 2026295 PMAQI
5th Aug 2026316 PMAQI
5th Aug 2026257 PMAQI
5th Aug 2026268 PMAQI
5th Aug 2026269 PMAQI
5th Aug 20262010 PMAQI
5th Aug 20261811 PMAQI
6th Aug 20261612 AMAQI
6th Aug 2026381 AMAQI
6th Aug 2026462 AMAQI
6th Aug 2026403 AMAQI
6th Aug 2026464 AMAQI
6th Aug 2026425 AMAQI
26°C22/31°C
6th Aug 2026406 AMAQI
6th Aug 2026447 AMAQI
6th Aug 2026448 AMAQI
6th Aug 2026449 AMAQI
6th Aug 20264610 AMAQI
6th Aug 20264811 AMAQI
6th Aug 20264612 PMAQI
6th Aug 2026441 PMAQI
6th Aug 2026482 PMAQI
6th Aug 2026423 PMAQI
6th Aug 2026424 PMAQI
6th Aug 2026445 PMAQI
6th Aug 2026426 PMAQI
6th Aug 2026367 PMAQI
6th Aug 2026448 PMAQI
6th Aug 2026449 PMAQI
6th Aug 20265410 PMAQI
6th Aug 20265211 PMAQI
7th Aug 20265112 AMAQI
7th Aug 2026251 AMAQI
7th Aug 2026212 AMAQI
7th Aug 2026253 AMAQI
7th Aug 2026294 AMAQI
7th Aug 2026215 AMAQI
27°C23/34°C
7th Aug 2026216 AMAQI
7th Aug 2026227 AMAQI
7th Aug 2026218 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262510 AMAQI
7th Aug 20263811 AMAQI
7th Aug 20264012 PMAQI
7th Aug 2026361 PMAQI
7th Aug 2026362 PMAQI
7th Aug 2026403 PMAQI
7th Aug 2026404 PMAQI
7th Aug 2026345 PMAQI
7th Aug 2026336 PMAQI
7th Aug 2026387 PMAQI
7th Aug 2026428 PMAQI
7th Aug 2026389 PMAQI
7th Aug 20263810 PMAQI
7th Aug 20262111 PMAQI
8th Aug 20262112 AMAQI
8th Aug 2026161 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026253 AMAQI
8th Aug 2026254 AMAQI
8th Aug 2026295 AMAQI
27°C21/36°C
8th Aug 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026218 AMAQI
8th Aug 2026299 AMAQI
8th Aug 20262110 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026381 PMAQI
8th Aug 2026422 PMAQI
8th Aug 2026443 PMAQI
8th Aug 2026424 PMAQI
8th Aug 2026385 PMAQI
8th Aug 2026366 PMAQI
8th Aug 2026237 PMAQI
8th Aug 2026368 PMAQI
8th Aug 2026369 PMAQI
8th Aug 20264810 PMAQI
8th Aug 20264611 PMAQI
9th Aug 20265012 AMAQI
9th Aug 2026441 AMAQI
9th Aug 2026502 AMAQI
9th Aug 2026403 AMAQI
9th Aug 2026404 AMAQI
9th Aug 2026385 AMAQI
27°C21/34°C
9th Aug 2026336 AMAQI
9th Aug 2026367 AMAQI
9th Aug 2026388 AMAQI
9th Aug 2026389 AMAQI
9th Aug 20263810 AMAQI
9th Aug 20265111 AMAQI
9th Aug 20264212 PMAQI
9th Aug 2026441 PMAQI
9th Aug 2026422 PMAQI
9th Aug 2026423 PMAQI
9th Aug 2026424 PMAQI
9th Aug 2026405 PMAQI
9th Aug 2026406 PMAQI
9th Aug 2026407 PMAQI
9th Aug 2026448 PMAQI
9th Aug 2026519 PMAQI
9th Aug 20265110 PMAQI
9th Aug 20265111 PMAQI
10th Aug 20265212 AMAQI
10th Aug 2026521 AMAQI
10th Aug 2026512 AMAQI
10th Aug 2026533 AMAQI
10th Aug 2026514 AMAQI
10th Aug 2026505 AMAQI
28°C22/37°C
10th Aug 2026506 AMAQI
10th Aug 2026507 AMAQI
10th Aug 2026468 AMAQI
10th Aug 2026489 AMAQI
10th Aug 20265310 AMAQI
10th Aug 20265411 AMAQI
10th Aug 20265512 PMAQI
10th Aug 2026511 PMAQI
10th Aug 2026552 PMAQI
10th Aug 2026513 PMAQI
10th Aug 2026484 PMAQI
10th Aug 2026515 PMAQI
10th Aug 2026486 PMAQI
10th Aug 2026537 PMAQI
10th Aug 2026428 PMAQI
10th Aug 2026219 PMAQI
10th Aug 20262510 PMAQI
10th Aug 20263611 PMAQI
11th Aug 20263312 AMAQI
11th Aug 2026271 AMAQI
11th Aug 2026382 AMAQI
11th Aug 2026243 AMAQI
11th Aug 2026274 AMAQI
11th Aug 2026245 AMAQI
26°C22/37°C
11th Aug 2026286 AMAQI
11th Aug 2026277 AMAQI
11th Aug 2026468 AMAQI
11th Aug 2026509 AMAQI
11th Aug 20265710 AMAQI
11th Aug 20265611 AMAQI
11th Aug 20265712 PMAQI
11th Aug 2026531 PMAQI
11th Aug 2026532 PMAQI
11th Aug 2026463 PMAQI
11th Aug 2026544 PMAQI
11th Aug 2026485 PMAQI
11th Aug 2026426 PMAQI
11th Aug 2026427 PMAQI
11th Aug 2026388 PMAQI
11th Aug 2026369 PMAQI
11th Aug 20263610 PMAQI
11th Aug 20263811 PMAQI
12th Aug 20263812 AMAQI
12th Aug 2026361 AMAQI
12th Aug 2026382 AMAQI
12th Aug 2026463 AMAQI
12th Aug 2026384 AMAQI
12th Aug 2026425 AMAQI
24°C20/32°C
12th Aug 2026466 AMAQI
12th Aug 2026497 AMAQI
12th Aug 2026468 AMAQI
12th Aug 2026429 AMAQI
12th Aug 20264010 AMAQI
12th Aug 20264011 AMAQI
12th Aug 20264212 PMAQI
12th Aug 2026401 PMAQI
12th Aug 2026442 PMAQI
12th Aug 2026423 PMAQI
12th Aug 2026464 PMAQI
12th Aug 2026485 PMAQI
12th Aug 2026486 PMAQI
12th Aug 2026517 PMAQI
12th Aug 2026518 PMAQI
12th Aug 2026489 PMAQI
12th Aug 20265010 PMAQI
12th Aug 20265311 PMAQI
13th Aug 20265212 AMAQI
13th Aug 2026511 AMAQI
13th Aug 2026512 AMAQI
13th Aug 2026503 AMAQI
13th Aug 2026514 AMAQI
13th Aug 2026465 AMAQI
26°C21/34°C
13th Aug 2026466 AMAQI
13th Aug 2026447 AMAQI
13th Aug 2026448 AMAQI
13th Aug 2026519 AMAQI
13th Aug 20264010 AMAQI
13th Aug 20264211 AMAQI
13th Aug 20264212 PMAQI
13th Aug 2026401 PMAQI
13th Aug 2026362 PMAQI
13th Aug 2026253 PMAQI
13th Aug 2026294 PMAQI
13th Aug 2026385 PMAQI
13th Aug 2026466 PMAQI
13th Aug 2026407 PMAQI
13th Aug 2026488 PMAQI
13th Aug 2026499 PMAQI
13th Aug 20265010 PMAQI
13th Aug 20265011 PMAQI
14th Aug 20265012 AMAQI
14th Aug 2026491 AMAQI
14th Aug 2026502 AMAQI
14th Aug 2026513 AMAQI
14th Aug 2026534 AMAQI
14th Aug 2026555 AMAQI
28°C22/35°C
14th Aug 2026486 AMAQI
14th Aug 2026517 AMAQI
14th Aug 2026548 AMAQI
14th Aug 2026549 AMAQI
14th Aug 20265410 AMAQI
14th Aug 20265711 AMAQI
14th Aug 20265712 PMAQI
14th Aug 2026601 PMAQI
14th Aug 2026582 PMAQI
14th Aug 2026573 PMAQI
14th Aug 2026604 PMAQI
14th Aug 2026585 PMAQI
14th Aug 2026596 PMAQI
14th Aug 2026547 PMAQI
14th Aug 2026558 PMAQI
14th Aug 2026569 PMAQI
14th Aug 20265810 PMAQI
14th Aug 20265611 PMAQI
15th Aug 20265912 AMAQI
15th Aug 2026601 AMAQI
15th Aug 2026562 AMAQI
15th Aug 2026573 AMAQI
15th Aug 2026554 AMAQI
15th Aug 2026525 AMAQI
25°C22/30°C
15th Aug 2026526 AMAQI
15th Aug 2026527 AMAQI
15th Aug 2026518 AMAQI
15th Aug 2026519 AMAQI
15th Aug 20264810 AMAQI
15th Aug 20265111 AMAQI
15th Aug 20265112 PMAQI
15th Aug 2026511 PMAQI
15th Aug 2026502 PMAQI
15th Aug 2026513 PMAQI
15th Aug 2026484 PMAQI
15th Aug 2026485 PMAQI
15th Aug 2026516 PMAQI
15th Aug 2026527 PMAQI
15th Aug 2026518 PMAQI
15th Aug 2026549 PMAQI
15th Aug 20265110 PMAQI
15th Aug 20264811 PMAQI
16th Aug 20265112 AMAQI
16th Aug 2026541 AMAQI
16th Aug 2026532 AMAQI
16th Aug 2026513 AMAQI
16th Aug 2026544 AMAQI
16th Aug 2026525 AMAQI
25°C21/32°C
16th Aug 2026526 AMAQI
16th Aug 2026487 AMAQI
16th Aug 2026518 AMAQI
16th Aug 2026529 AMAQI
16th Aug 20265010 AMAQI
16th Aug 20265111 AMAQI
16th Aug 20264812 PMAQI
16th Aug 2026501 PMAQI
16th Aug 2026532 PMAQI
16th Aug 2026543 PMAQI
16th Aug 2026464 PMAQI
16th Aug 2026485 PMAQI
16th Aug 2026506 PMAQI
16th Aug 2026517 PMAQI
16th Aug 2026488 PMAQI
16th Aug 2026469 PMAQI
16th Aug 20264610 PMAQI
16th Aug 20264411 PMAQI
17th Aug 20264812 AMAQI
17th Aug 2026441 AMAQI
17th Aug 2026502 AMAQI
17th Aug 2026383 AMAQI
17th Aug 2026384 AMAQI
17th Aug 2026525 AMAQI
23°C21/26°C
17th Aug 2026596 AMAQI
6 AM17th Aug 2026647 AMAQI
17th Aug 2026658 AMAQI
17th Aug 2026669 AMAQI
17th Aug 20266410 AMAQI
17th Aug 20265511 AMAQI
17th Aug 20265412 PMAQI
17th Aug 2026441 PMAQI
1 PM17th Aug 2026422 PMAQI
17th Aug 2026343 PMAQI
17th Aug 2026464 PMAQI
17th Aug 2026385 PMAQI
17th Aug 2026336 PMAQI
17th Aug 2026367 PMAQI
17th Aug 2026388 PMAQI
8 PM17th Aug 2026389 PMAQI
17th Aug 20263310 PMAQI
17th Aug 20263311 PMAQI
1 AM
5 AM
27°C22/33°C
Day time
Avg. Highest Time
11 AM - 8 PM
41AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
6 AM - 7 PM
40AQI
14 hours / Day
420 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 8 PM (Avg. 41), while the lowest AQI was between 6 AM to 7 PM (Avg. 40).
Night time
Avg. Highest Time
2 AM
42AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM
38AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 2 AM (Avg. 42), while the lowest AQI was between 4 AM to 4 AM (Avg. 38).
2026 Days Vs Air Quality
Rockville, Maryland, United States
2026
91%
205
8%
18
0.4%
1
0.4%
1
Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)
Good
205 DaysModerate
18 DaysPoor
1 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2026, 91% of 229 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
Rockville, 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)
21AQI (US)
2nd January 2026
32AQI (US)
32AQI (US)
3rd January 2026
37AQI (US)
37AQI (US)
4th January 2026
43AQI (US)
43AQI (US)
5th January 2026
46AQI (US)
46AQI (US)
6th January 2026
55AQI (US)
55AQI (US)
7th January 2026
51AQI (US)
51AQI (US)
8th January 2026
21AQI (US)
21AQI (US)
9th January 2026
31AQI (US)
31AQI (US)
10th January 2026
28AQI (US)
28AQI (US)
11th January 2026
11AQI (US)
11AQI (US)
12th January 2026
14AQI (US)
14AQI (US)
13th January 2026
29AQI (US)
29AQI (US)
14th January 2026
24AQI (US)
24AQI (US)
15th January 2026
24AQI (US)
24AQI (US)
16th January 2026
17AQI (US)
17AQI (US)
17th January 2026
32AQI (US)
32AQI (US)
18th January 2026
47AQI (US)
47AQI (US)
19th January 2026
23AQI (US)
23AQI (US)
20th January 2026
15AQI (US)
15AQI (US)
21st January 2026
31AQI (US)
31AQI (US)
22nd January 2026
48AQI (US)
48AQI (US)
23rd January 2026
54AQI (US)
54AQI (US)
24th January 2026
48AQI (US)
48AQI (US)
25th January 2026
48AQI (US)
48AQI (US)
26th January 2026
49AQI (US)
49AQI (US)
27th January 2026
38AQI (US)
38AQI (US)
28th January 2026
45AQI (US)
45AQI (US)
29th January 2026
51AQI (US)
51AQI (US)
30th January 2026
56AQI (US)
56AQI (US)
31st January 2026
43AQI (US)
43AQI (US)
1st February 2026
46AQI (US)
46AQI (US)
2nd February 2026
50AQI (US)
50AQI (US)
3rd February 2026
47AQI (US)
47AQI (US)
4th February 2026
49AQI (US)
49AQI (US)
5th February 2026
47AQI (US)
47AQI (US)
6th February 2026
44AQI (US)
44AQI (US)
7th February 2026
39AQI (US)
39AQI (US)
8th February 2026
44AQI (US)
44AQI (US)
9th February 2026
48AQI (US)
48AQI (US)
10th February 2026
45AQI (US)
45AQI (US)
11th February 2026
40AQI (US)
40AQI (US)
12th February 2026
39AQI (US)
39AQI (US)
13th February 2026
47AQI (US)
47AQI (US)
14th February 2026
50AQI (US)
50AQI (US)
15th February 2026
43AQI (US)
43AQI (US)
16th February 2026
44AQI (US)
44AQI (US)
17th February 2026
46AQI (US)
46AQI (US)
18th February 2026
42AQI (US)
42AQI (US)
19th February 2026
43AQI (US)
43AQI (US)
20th February 2026
35AQI (US)
35AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
35AQI (US)
35AQI (US)
23rd February 2026
39AQI (US)
39AQI (US)
24th February 2026
45AQI (US)
45AQI (US)
25th February 2026
44AQI (US)
44AQI (US)
26th February 2026
34AQI (US)
34AQI (US)
27th February 2026
34AQI (US)
34AQI (US)
28th February 2026
33AQI (US)
33AQI (US)
1st March 2026
38AQI (US)
38AQI (US)
2nd March 2026
54AQI (US)
54AQI (US)
3rd March 2026
45AQI (US)
45AQI (US)
4th March 2026
45AQI (US)
45AQI (US)
5th March 2026
37AQI (US)
37AQI (US)
6th March 2026
29AQI (US)
29AQI (US)
7th March 2026
36AQI (US)
36AQI (US)
8th March 2026
38AQI (US)
38AQI (US)
9th March 2026
37AQI (US)
37AQI (US)
10th March 2026
32AQI (US)
32AQI (US)
11th March 2026
40AQI (US)
40AQI (US)
12th March 2026
38AQI (US)
38AQI (US)
13th March 2026
40AQI (US)
40AQI (US)
14th March 2026
35AQI (US)
35AQI (US)
15th March 2026
34AQI (US)
34AQI (US)
16th March 2026
37AQI (US)
37AQI (US)
17th March 2026
34AQI (US)
34AQI (US)
18th March 2026
31AQI (US)
31AQI (US)
19th March 2026
34AQI (US)
34AQI (US)
20th March 2026
36AQI (US)
36AQI (US)
21st March 2026
36AQI (US)
36AQI (US)
22nd March 2026
34AQI (US)
34AQI (US)
23rd March 2026
40AQI (US)
40AQI (US)
24th March 2026
36AQI (US)
36AQI (US)
25th March 2026
32AQI (US)
32AQI (US)
26th March 2026
27AQI (US)
27AQI (US)
27th March 2026
30AQI (US)
30AQI (US)
28th March 2026
31AQI (US)
31AQI (US)
29th March 2026
27AQI (US)
27AQI (US)
30th March 2026
25AQI (US)
25AQI (US)
31st March 2026
24AQI (US)
24AQI (US)
1st April 2026
29AQI (US)
29AQI (US)
2nd April 2026
30AQI (US)
30AQI (US)
3rd April 2026
27AQI (US)
27AQI (US)
4th April 2026
31AQI (US)
31AQI (US)
5th April 2026
29AQI (US)
29AQI (US)
6th April 2026
29AQI (US)
29AQI (US)
7th April 2026
28AQI (US)
28AQI (US)
8th April 2026
39AQI (US)
39AQI (US)
9th April 2026
29AQI (US)
29AQI (US)
10th April 2026
31AQI (US)
31AQI (US)
11th April 2026
31AQI (US)
31AQI (US)
12th April 2026
26AQI (US)
26AQI (US)
13th April 2026
30AQI (US)
30AQI (US)
14th April 2026
32AQI (US)
32AQI (US)
15th April 2026
33AQI (US)
33AQI (US)
16th April 2026
30AQI (US)
30AQI (US)
17th April 2026
18th April 2026
30AQI (US)
30AQI (US)
19th April 2026
33AQI (US)
33AQI (US)
20th April 2026
29AQI (US)
29AQI (US)
21st April 2026
27AQI (US)
27AQI (US)
22nd April 2026
23rd April 2026
23AQI (US)
23AQI (US)
24th April 2026
24AQI (US)
24AQI (US)
25th April 2026
27AQI (US)
27AQI (US)
26th April 2026
33AQI (US)
33AQI (US)
27th April 2026
28AQI (US)
28AQI (US)
28th April 2026
26AQI (US)
26AQI (US)
29th April 2026
26AQI (US)
26AQI (US)
30th April 2026
27AQI (US)
27AQI (US)
1st May 2026
27AQI (US)
27AQI (US)
2nd May 2026
23AQI (US)
23AQI (US)
3rd May 2026
20AQI (US)
20AQI (US)
4th May 2026
36AQI (US)
36AQI (US)
5th May 2026
39AQI (US)
39AQI (US)
6th May 2026
30AQI (US)
30AQI (US)
7th May 2026
28AQI (US)
28AQI (US)
8th May 2026
29AQI (US)
29AQI (US)
9th May 2026
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
29AQI (US)
29AQI (US)
12th May 2026
31AQI (US)
31AQI (US)
13th May 2026
29AQI (US)
29AQI (US)
14th May 2026
26AQI (US)
26AQI (US)
15th May 2026
47AQI (US)
47AQI (US)
16th May 2026
52AQI (US)
52AQI (US)
17th May 2026
56AQI (US)
56AQI (US)
18th May 2026
57AQI (US)
57AQI (US)
19th May 2026
54AQI (US)
54AQI (US)
20th May 2026
50AQI (US)
50AQI (US)
21st May 2026
44AQI (US)
44AQI (US)
22nd May 2026
44AQI (US)
44AQI (US)
23rd May 2026
51AQI (US)
51AQI (US)
24th May 2026
48AQI (US)
48AQI (US)
25th May 2026
46AQI (US)
46AQI (US)
26th May 2026
28AQI (US)
28AQI (US)
27th May 2026
27AQI (US)
27AQI (US)
28th May 2026
21AQI (US)
21AQI (US)
29th May 2026
19AQI (US)
19AQI (US)
30th May 2026
23AQI (US)
23AQI (US)
31st May 2026
26AQI (US)
26AQI (US)
1st June 2026
28AQI (US)
28AQI (US)
2nd June 2026
27AQI (US)
27AQI (US)
3rd June 2026
23AQI (US)
23AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
27AQI (US)
27AQI (US)
6th June 2026
25AQI (US)
25AQI (US)
7th June 2026
23AQI (US)
23AQI (US)
8th June 2026
23AQI (US)
23AQI (US)
9th June 2026
20AQI (US)
20AQI (US)
10th June 2026
27AQI (US)
27AQI (US)
11th June 2026
28AQI (US)
28AQI (US)
12th June 2026
27AQI (US)
27AQI (US)
13th June 2026
24AQI (US)
24AQI (US)
14th June 2026
24AQI (US)
24AQI (US)
15th June 2026
25AQI (US)
25AQI (US)
16th June 2026
26AQI (US)
26AQI (US)
17th June 2026
28AQI (US)
28AQI (US)
18th June 2026
27AQI (US)
27AQI (US)
19th June 2026
21AQI (US)
21AQI (US)
20th June 2026
21AQI (US)
21AQI (US)
21st June 2026
18AQI (US)
18AQI (US)
22nd June 2026
22AQI (US)
22AQI (US)
23rd June 2026
19AQI (US)
19AQI (US)
24th June 2026
21AQI (US)
21AQI (US)
25th June 2026
25AQI (US)
25AQI (US)
26th June 2026
26AQI (US)
26AQI (US)
27th June 2026
29AQI (US)
29AQI (US)
28th June 2026
27AQI (US)
27AQI (US)
29th June 2026
25AQI (US)
25AQI (US)
30th June 2026
26AQI (US)
26AQI (US)
1st July 2026
34AQI (US)
34AQI (US)
2nd July 2026
65AQI (US)
65AQI (US)
3rd July 2026
57AQI (US)
57AQI (US)
4th July 2026
34AQI (US)
34AQI (US)
5th July 2026
35AQI (US)
35AQI (US)
6th July 2026
27AQI (US)
27AQI (US)
7th July 2026
29AQI (US)
29AQI (US)
8th July 2026
26AQI (US)
26AQI (US)
9th July 2026
28AQI (US)
28AQI (US)
10th July 2026
31AQI (US)
31AQI (US)
11th July 2026
29AQI (US)
29AQI (US)
12th July 2026
28AQI (US)
28AQI (US)
13th July 2026
29AQI (US)
29AQI (US)
14th July 2026
29AQI (US)
29AQI (US)
15th July 2026
23AQI (US)
23AQI (US)
16th July 2026
24AQI (US)
24AQI (US)
17th July 2026
156AQI (US)
156AQI (US)
18th July 2026
123AQI (US)
123AQI (US)
19th July 2026
60AQI (US)
60AQI (US)
20th July 2026
57AQI (US)
57AQI (US)
21st July 2026
46AQI (US)
46AQI (US)
22nd July 2026
38AQI (US)
38AQI (US)
23rd July 2026
28AQI (US)
28AQI (US)
24th July 2026
35AQI (US)
35AQI (US)
25th July 2026
24AQI (US)
24AQI (US)
26th July 2026
32AQI (US)
32AQI (US)
27th July 2026
42AQI (US)
42AQI (US)
28th July 2026
52AQI (US)
52AQI (US)
29th July 2026
35AQI (US)
35AQI (US)
30th July 2026
24AQI (US)
24AQI (US)
31st July 2026
30AQI (US)
30AQI (US)
1st August 2026
43AQI (US)
43AQI (US)
2nd August 2026
38AQI (US)
38AQI (US)
3rd August 2026
35AQI (US)
35AQI (US)
4th August 2026
28AQI (US)
28AQI (US)
5th August 2026
30AQI (US)
30AQI (US)
6th August 2026
43AQI (US)
43AQI (US)
7th August 2026
32AQI (US)
32AQI (US)
8th August 2026
31AQI (US)
31AQI (US)
9th August 2026
43AQI (US)
43AQI (US)
10th August 2026
48AQI (US)
48AQI (US)
11th August 2026
41AQI (US)
41AQI (US)
12th August 2026
44AQI (US)
44AQI (US)
13th August 2026
44AQI (US)
44AQI (US)
14th August 2026
55AQI (US)
55AQI (US)
15th August 2026
52AQI (US)
52AQI (US)
16th August 2026
50AQI (US)
50AQI (US)
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
36AQI (US)
42AQI (US)
35AQI (US)
29AQI (US)
36AQI (US)
25AQI (US)
42AQI (US)
41AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
26
5
28
30
1
28
25
5
30
24
5
1
1
14
2
205
18
1
1
Highest AQI (US) recorded in
February42AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202531AQI (US)
4
1
29
1
31
25
5
27
4
27
4
30
31
27
3
27
4
258
22
Highest AQI (US) recorded in
December38AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Most Polluted Year Recorded
2026(Avg.)
35AQI (US)Least Polluted Year Recorded
2025(Avg.)
31AQI (US)Rockville's annual 2026 AQI (US) (35) shows an average percentage change of 12.9% (worsened AQI (US)) compared to previous years: 2025 (31).
