Smyrna, Delaware, 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
Smyrna, Delaware, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Aug 2025
68AQILowest AQI recorded on
22nd Aug 2021
14AQISame Day Analysis (8th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 29 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 8th Aug - 9th Aug 2025
Smyrna, Delaware, United States
AQI
Day
Night
.
5 AM8th Aug 2025
8 PM
4 AM9th Aug 2025
Day time
Avg. Highest Time
12PM8th Aug
42AQI
Avg. Lowest Time
6AM8th Aug
22AQI
Night time
Avg. Highest Time
12AM9th Aug
34AQI
Avg. Lowest Time
5AM8th Aug
21AQI
In the last 24 hours,
Smyrna's AQI reached its highest point of 42 at 12 PM during the Day, while the lowest point, undefined, was recorded at 4 AM during the Night between 8th Aug and 9th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Smyrna, Delaware, United States
JulAug
10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th
Day
Night
10th Jul 2025215 AMAQI
10th Jul 2025206 AMAQI
10th Jul 2025197 AMAQI
10th Jul 2025198 AMAQI
10th Jul 2025229 AMAQI
10th Jul 20252110 AMAQI
10th Jul 20252011 AMAQI
10th Jul 20252012 PMAQI
10th Jul 2025241 PMAQI
10th Jul 2025252 PMAQI
10th Jul 2025263 PMAQI
10th Jul 2025234 PMAQI
10th Jul 2025235 PMAQI
10th Jul 2025236 PMAQI
10th Jul 2025227 PMAQI
10th Jul 2025208 PMAQI
10th Jul 2025229 PMAQI
10th Jul 20252210 PMAQI
10th Jul 20252311 PMAQI
11th Jul 20252412 AMAQI
11th Jul 2025211 AMAQI
11th Jul 2025262 AMAQI
11th Jul 2025253 AMAQI
11th Jul 2025214 AMAQI
24°C23/26°C
11th Jul 2025225 AMAQI
11th Jul 2025216 AMAQI
11th Jul 2025237 AMAQI
11th Jul 2025208 AMAQI
11th Jul 2025199 AMAQI
11th Jul 20252210 AMAQI
11th Jul 20252811 AMAQI
11th Jul 20253412 PMAQI
11th Jul 2025311 PMAQI
11th Jul 2025282 PMAQI
11th Jul 2025283 PMAQI
11th Jul 2025294 PMAQI
11th Jul 2025295 PMAQI
11th Jul 2025276 PMAQI
11th Jul 2025257 PMAQI
11th Jul 2025268 PMAQI
11th Jul 2025319 PMAQI
11th Jul 20253010 PMAQI
11th Jul 20252811 PMAQI
12th Jul 20252412 AMAQI
12th Jul 2025201 AMAQI
12th Jul 2025222 AMAQI
12th Jul 2025213 AMAQI
12th Jul 2025224 AMAQI
25°C21/30°C
12th Jul 2025265 AMAQI
12th Jul 2025246 AMAQI
12th Jul 2025217 AMAQI
12th Jul 2025228 AMAQI
12th Jul 2025219 AMAQI
12th Jul 20252010 AMAQI
12th Jul 20252111 AMAQI
12th Jul 20252112 PMAQI
12th Jul 2025201 PMAQI
12th Jul 2025242 PMAQI
12th Jul 2025243 PMAQI
12th Jul 2025244 PMAQI
12th Jul 2025235 PMAQI
12th Jul 2025236 PMAQI
12th Jul 2025247 PMAQI
12th Jul 2025248 PMAQI
12th Jul 2025269 PMAQI
12th Jul 20252610 PMAQI
12th Jul 20252411 PMAQI
13th Jul 20252612 AMAQI
13th Jul 2025191 AMAQI
13th Jul 2025172 AMAQI
13th Jul 2025163 AMAQI
13th Jul 2025164 AMAQI
26°C22/33°C
13th Jul 2025155 AMAQI
13th Jul 2025156 AMAQI
13th Jul 2025177 AMAQI
13th Jul 2025178 AMAQI
13th Jul 2025169 AMAQI
13th Jul 20251710 AMAQI
13th Jul 20251711 AMAQI
13th Jul 20251612 PMAQI
13th Jul 2025181 PMAQI
13th Jul 2025192 PMAQI
13th Jul 2025193 PMAQI
13th Jul 2025204 PMAQI
13th Jul 2025205 PMAQI
13th Jul 2025206 PMAQI
13th Jul 2025197 PMAQI
13th Jul 2025208 PMAQI
13th Jul 2025199 PMAQI
13th Jul 20252010 PMAQI
13th Jul 20252111 PMAQI
14th Jul 20252012 AMAQI
14th Jul 2025201 AMAQI
14th Jul 2025182 AMAQI
14th Jul 2025173 AMAQI
14th Jul 2025164 AMAQI
26°C22/32°C
14th Jul 2025165 AMAQI
14th Jul 2025166 AMAQI
14th Jul 2025167 AMAQI
14th Jul 2025188 AMAQI
14th Jul 2025179 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20251912 PMAQI
14th Jul 2025251 PMAQI
14th Jul 2025242 PMAQI
14th Jul 2025263 PMAQI
14th Jul 2025264 PMAQI
14th Jul 2025265 PMAQI
14th Jul 2025236 PMAQI
14th Jul 2025207 PMAQI
14th Jul 2025208 PMAQI
14th Jul 2025199 PMAQI
14th Jul 20251910 PMAQI
14th Jul 20251911 PMAQI
15th Jul 20251812 AMAQI
15th Jul 2025181 AMAQI
15th Jul 2025222 AMAQI
15th Jul 2025183 AMAQI
15th Jul 2025174 AMAQI
26°C23/30°C
15th Jul 2025165 AMAQI
15th Jul 2025146 AMAQI
15th Jul 2025157 AMAQI
15th Jul 2025148 AMAQI
15th Jul 2025159 AMAQI
15th Jul 20251710 AMAQI
15th Jul 20251811 AMAQI
15th Jul 20251912 PMAQI
15th Jul 2025241 PMAQI
15th Jul 2025262 PMAQI
15th Jul 2025243 PMAQI
15th Jul 2025244 PMAQI
15th Jul 2025235 PMAQI
15th Jul 2025226 PMAQI
15th Jul 2025197 PMAQI
15th Jul 2025228 PMAQI
15th Jul 2025219 PMAQI
15th Jul 20252210 PMAQI
15th Jul 20252211 PMAQI
16th Jul 20252112 AMAQI
16th Jul 2025211 AMAQI
16th Jul 2025222 AMAQI
16th Jul 2025223 AMAQI
16th Jul 2025224 AMAQI
27°C22/33°C
16th Jul 2025225 AMAQI
16th Jul 2025226 AMAQI
16th Jul 2025227 AMAQI
16th Jul 2025198 AMAQI
16th Jul 2025229 AMAQI
16th Jul 20252610 AMAQI
16th Jul 20252611 AMAQI
16th Jul 20253112 PMAQI
16th Jul 2025271 PMAQI
16th Jul 2025262 PMAQI
16th Jul 2025293 PMAQI
16th Jul 2025304 PMAQI
16th Jul 2025315 PMAQI
16th Jul 2025326 PMAQI
16th Jul 2025297 PMAQI
16th Jul 2025298 PMAQI
16th Jul 2025369 PMAQI
16th Jul 20253110 PMAQI
16th Jul 20252811 PMAQI
17th Jul 20252212 AMAQI
17th Jul 2025181 AMAQI
17th Jul 2025182 AMAQI
17th Jul 2025173 AMAQI
17th Jul 2025164 AMAQI
26°C23/30°C
17th Jul 2025165 AMAQI
17th Jul 2025166 AMAQI
17th Jul 2025167 AMAQI
17th Jul 2025188 AMAQI
17th Jul 2025209 AMAQI
17th Jul 20252610 AMAQI
17th Jul 20252811 AMAQI
17th Jul 20253012 PMAQI
17th Jul 2025271 PMAQI
17th Jul 2025282 PMAQI
17th Jul 2025323 PMAQI
17th Jul 2025324 PMAQI
17th Jul 2025305 PMAQI
17th Jul 2025296 PMAQI
17th Jul 2025257 PMAQI
17th Jul 2025268 PMAQI
17th Jul 2025309 PMAQI
17th Jul 20252910 PMAQI
17th Jul 20252811 PMAQI
18th Jul 20252812 AMAQI
18th Jul 2025371 AMAQI
18th Jul 2025302 AMAQI
18th Jul 2025223 AMAQI
18th Jul 2025284 AMAQI
30°C24/36°C
18th Jul 2025265 AMAQI
18th Jul 2025226 AMAQI
18th Jul 2025197 AMAQI
18th Jul 2025208 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20251910 AMAQI
18th Jul 20252011 AMAQI
18th Jul 20252012 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025243 PMAQI
18th Jul 2025254 PMAQI
18th Jul 2025265 PMAQI
18th Jul 2025246 PMAQI
18th Jul 2025227 PMAQI
18th Jul 2025228 PMAQI
18th Jul 2025239 PMAQI
18th Jul 20252610 PMAQI
18th Jul 20252411 PMAQI
19th Jul 20252312 AMAQI
19th Jul 2025181 AMAQI
19th Jul 2025182 AMAQI
19th Jul 2025263 AMAQI
19th Jul 2025234 AMAQI
28°C24/32°C
19th Jul 2025275 AMAQI
19th Jul 2025276 AMAQI
19th Jul 2025287 AMAQI
19th Jul 2025278 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252510 AMAQI
19th Jul 20252711 AMAQI
19th Jul 20252412 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025237 PMAQI
19th Jul 2025248 PMAQI
19th Jul 2025239 PMAQI
19th Jul 20252410 PMAQI
19th Jul 20252411 PMAQI
20th Jul 20252212 AMAQI
20th Jul 2025181 AMAQI
20th Jul 2025202 AMAQI
20th Jul 2025183 AMAQI
20th Jul 2025164 AMAQI
26°C23/30°C
20th Jul 2025165 AMAQI
20th Jul 2025156 AMAQI
20th Jul 2025177 AMAQI
20th Jul 2025168 AMAQI
20th Jul 2025179 AMAQI
20th Jul 20251910 AMAQI
20th Jul 20251911 AMAQI
20th Jul 20251812 PMAQI
20th Jul 2025231 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025253 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025235 PMAQI
20th Jul 2025216 PMAQI
20th Jul 2025207 PMAQI
20th Jul 2025208 PMAQI
20th Jul 2025229 PMAQI
20th Jul 20252410 PMAQI
20th Jul 20252211 PMAQI
21st Jul 20252312 AMAQI
21st Jul 2025231 AMAQI
21st Jul 2025192 AMAQI
21st Jul 2025203 AMAQI
21st Jul 2025224 AMAQI
27°C23/32°C
21st Jul 2025225 AMAQI
21st Jul 2025226 AMAQI
21st Jul 2025267 AMAQI
21st Jul 2025248 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20252111 AMAQI
21st Jul 20252612 PMAQI
21st Jul 2025311 PMAQI
21st Jul 2025312 PMAQI
21st Jul 2025283 PMAQI
21st Jul 2025314 PMAQI
21st Jul 2025285 PMAQI
21st Jul 2025326 PMAQI
21st Jul 2025267 PMAQI
21st Jul 2025278 PMAQI
21st Jul 2025359 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253811 PMAQI
22nd Jul 20253912 AMAQI
22nd Jul 2025511 AMAQI
22nd Jul 2025562 AMAQI
22nd Jul 2025513 AMAQI
22nd Jul 2025494 AMAQI
26°C21/31°C
22nd Jul 2025485 AMAQI
22nd Jul 2025516 AMAQI
22nd Jul 2025547 AMAQI
22nd Jul 2025528 AMAQI
22nd Jul 2025459 AMAQI
22nd Jul 20254410 AMAQI
22nd Jul 20254811 AMAQI
22nd Jul 20254812 PMAQI
22nd Jul 2025491 PMAQI
22nd Jul 2025552 PMAQI
22nd Jul 2025553 PMAQI
22nd Jul 2025544 PMAQI
22nd Jul 2025555 PMAQI
22nd Jul 2025556 PMAQI
22nd Jul 2025537 PMAQI
22nd Jul 2025528 PMAQI
22nd Jul 2025529 PMAQI
22nd Jul 20255210 PMAQI
22nd Jul 20255211 PMAQI
23rd Jul 20254612 AMAQI
23rd Jul 2025341 AMAQI
23rd Jul 2025352 AMAQI
23rd Jul 2025343 AMAQI
23rd Jul 2025244 AMAQI
24°C18/32°C
23rd Jul 2025245 AMAQI
23rd Jul 2025286 AMAQI
23rd Jul 2025327 AMAQI
23rd Jul 2025328 AMAQI
23rd Jul 2025329 AMAQI
23rd Jul 20253410 AMAQI
23rd Jul 20253811 AMAQI
23rd Jul 20253912 PMAQI
23rd Jul 2025401 PMAQI
23rd Jul 2025402 PMAQI
23rd Jul 2025403 PMAQI
23rd Jul 2025394 PMAQI
23rd Jul 2025365 PMAQI
23rd Jul 2025366 PMAQI
23rd Jul 2025377 PMAQI
23rd Jul 2025368 PMAQI
23rd Jul 2025349 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253211 PMAQI
24th Jul 20253212 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025212 AMAQI
24th Jul 2025183 AMAQI
24th Jul 2025204 AMAQI
23°C19/27°C
24th Jul 2025205 AMAQI
24th Jul 2025206 AMAQI
24th Jul 2025227 AMAQI
24th Jul 2025208 AMAQI
24th Jul 2025289 AMAQI
24th Jul 20252710 AMAQI
24th Jul 20252811 AMAQI
24th Jul 20252712 PMAQI
24th Jul 2025271 PMAQI
24th Jul 2025302 PMAQI
24th Jul 2025353 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025325 PMAQI
24th Jul 2025346 PMAQI
24th Jul 2025307 PMAQI
24th Jul 2025308 PMAQI
24th Jul 2025379 PMAQI
24th Jul 20253610 PMAQI
24th Jul 20253411 PMAQI
25th Jul 20253512 AMAQI
25th Jul 2025511 AMAQI
25th Jul 2025372 AMAQI
25th Jul 2025223 AMAQI
25th Jul 2025194 AMAQI
26°C19/34°C
25th Jul 2025285 AMAQI
25th Jul 2025296 AMAQI
25th Jul 2025347 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20253410 AMAQI
25th Jul 20254111 AMAQI
25th Jul 20255212 PMAQI
25th Jul 2025451 PMAQI
25th Jul 2025492 PMAQI
25th Jul 2025483 PMAQI
25th Jul 2025484 PMAQI
25th Jul 2025485 PMAQI
25th Jul 2025486 PMAQI
25th Jul 2025447 PMAQI
25th Jul 2025448 PMAQI
25th Jul 2025459 PMAQI
25th Jul 20254010 PMAQI
25th Jul 20254011 PMAQI
26th Jul 20253912 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025232 AMAQI
26th Jul 2025213 AMAQI
26th Jul 2025184 AMAQI
29°C21/38°C
26th Jul 2025195 AMAQI
26th Jul 2025256 AMAQI
26th Jul 2025247 AMAQI
26th Jul 2025248 AMAQI
26th Jul 2025269 AMAQI
26th Jul 20252610 AMAQI
26th Jul 20252811 AMAQI
26th Jul 20253512 PMAQI
26th Jul 2025371 PMAQI
26th Jul 2025372 PMAQI
26th Jul 2025363 PMAQI
26th Jul 2025374 PMAQI
26th Jul 2025385 PMAQI
26th Jul 2025426 PMAQI
26th Jul 2025397 PMAQI
26th Jul 2025358 PMAQI
26th Jul 2025339 PMAQI
26th Jul 20253510 PMAQI
26th Jul 20253611 PMAQI
27th Jul 20253712 AMAQI
27th Jul 2025581 AMAQI
27th Jul 2025902 AMAQI
27th Jul 2025803 AMAQI
27th Jul 2025804 AMAQI
27°C23/33°C
27th Jul 2025685 AMAQI
27th Jul 2025626 AMAQI
27th Jul 2025647 AMAQI
27th Jul 2025648 AMAQI
27th Jul 2025609 AMAQI
27th Jul 20256110 AMAQI
27th Jul 20256011 AMAQI
27th Jul 20255812 PMAQI
27th Jul 2025591 PMAQI
27th Jul 2025612 PMAQI
27th Jul 2025623 PMAQI
27th Jul 2025604 PMAQI
27th Jul 2025595 PMAQI
27th Jul 2025596 PMAQI
27th Jul 2025627 PMAQI
27th Jul 2025628 PMAQI
27th Jul 2025579 PMAQI
27th Jul 20255610 PMAQI
27th Jul 20255611 PMAQI
28th Jul 20255612 AMAQI
28th Jul 2025371 AMAQI
28th Jul 2025232 AMAQI
28th Jul 2025273 AMAQI
28th Jul 2025224 AMAQI
26°C22/31°C
28th Jul 2025205 AMAQI
28th Jul 2025226 AMAQI
28th Jul 2025227 AMAQI
28th Jul 2025228 AMAQI
28th Jul 2025249 AMAQI
28th Jul 20253210 AMAQI
28th Jul 20253211 AMAQI
28th Jul 20253612 PMAQI
28th Jul 2025361 PMAQI
28th Jul 2025392 PMAQI
28th Jul 2025373 PMAQI
28th Jul 2025394 PMAQI
28th Jul 2025385 PMAQI
28th Jul 2025376 PMAQI
28th Jul 2025307 PMAQI
28th Jul 2025308 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253412 AMAQI
29th Jul 2025311 AMAQI
29th Jul 2025482 AMAQI
29th Jul 2025453 AMAQI
29th Jul 2025454 AMAQI
28°C24/35°C
29th Jul 2025405 AMAQI
29th Jul 2025356 AMAQI
29th Jul 2025337 AMAQI
29th Jul 2025328 AMAQI
29th Jul 2025329 AMAQI
29th Jul 20253310 AMAQI
29th Jul 20254011 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025461 PMAQI
29th Jul 2025442 PMAQI
29th Jul 2025463 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025465 PMAQI
29th Jul 2025456 PMAQI
29th Jul 2025447 PMAQI
29th Jul 2025438 PMAQI
29th Jul 2025449 PMAQI
29th Jul 20254610 PMAQI
29th Jul 20254411 PMAQI
30th Jul 20254412 AMAQI
30th Jul 2025461 AMAQI
30th Jul 2025442 AMAQI
30th Jul 2025433 AMAQI
30th Jul 2025534 AMAQI
30°C23/37°C
30th Jul 2025505 AMAQI
30th Jul 2025466 AMAQI
30th Jul 2025487 AMAQI
30th Jul 2025518 AMAQI
30th Jul 2025459 AMAQI
30th Jul 20255210 AMAQI
30th Jul 20255211 AMAQI
30th Jul 20255212 PMAQI
30th Jul 2025521 PMAQI
30th Jul 2025552 PMAQI
30th Jul 2025553 PMAQI
30th Jul 2025554 PMAQI
30th Jul 2025555 PMAQI
30th Jul 2025556 PMAQI
30th Jul 2025557 PMAQI
30th Jul 2025558 PMAQI
30th Jul 2025549 PMAQI
30th Jul 20255210 PMAQI
30th Jul 20255311 PMAQI
31st Jul 20255212 AMAQI
31st Jul 2025431 AMAQI
31st Jul 2025502 AMAQI
31st Jul 2025423 AMAQI
31st Jul 2025464 AMAQI
29°C23/36°C
31st Jul 2025465 AMAQI
31st Jul 2025446 AMAQI
31st Jul 2025527 AMAQI
31st Jul 2025538 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255410 AMAQI
31st Jul 20255511 AMAQI
31st Jul 20255512 PMAQI
31st Jul 2025541 PMAQI
31st Jul 2025492 PMAQI
31st Jul 2025483 PMAQI
31st Jul 2025464 PMAQI
31st Jul 2025495 PMAQI
31st Jul 2025476 PMAQI
31st Jul 2025527 PMAQI
31st Jul 2025368 PMAQI
31st Jul 2025229 PMAQI
31st Jul 20252210 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20254012 AMAQI
1st Aug 2025491 AMAQI
1st Aug 2025532 AMAQI
1st Aug 2025503 AMAQI
1st Aug 2025464 AMAQI
28°C22/36°C
1st Aug 2025355 AMAQI
1st Aug 2025246 AMAQI
1st Aug 2025177 AMAQI
1st Aug 2025188 AMAQI
1st Aug 2025179 AMAQI
1st Aug 20251810 AMAQI
1st Aug 20252011 AMAQI
1st Aug 20252212 PMAQI
1st Aug 2025261 PMAQI
1st Aug 2025252 PMAQI
1st Aug 2025263 PMAQI
1st Aug 2025304 PMAQI
1st Aug 2025305 PMAQI
1st Aug 2025296 PMAQI
1st Aug 2025277 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025329 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20253211 PMAQI
2nd Aug 20253512 AMAQI
2nd Aug 2025371 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025423 AMAQI
2nd Aug 2025464 AMAQI
22°C19/24°C
2nd Aug 2025465 AMAQI
2nd Aug 2025456 AMAQI
2nd Aug 2025467 AMAQI
2nd Aug 2025488 AMAQI
2nd Aug 2025509 AMAQI
2nd Aug 20254610 AMAQI
2nd Aug 20254511 AMAQI
2nd Aug 20254512 PMAQI
2nd Aug 2025451 PMAQI
2nd Aug 2025472 PMAQI
2nd Aug 2025443 PMAQI
2nd Aug 2025424 PMAQI
2nd Aug 2025455 PMAQI
2nd Aug 2025426 PMAQI
2nd Aug 2025437 PMAQI
2nd Aug 2025478 PMAQI
2nd Aug 2025469 PMAQI
2nd Aug 20254610 PMAQI
2nd Aug 20254411 PMAQI
3rd Aug 20254212 AMAQI
3rd Aug 2025441 AMAQI
3rd Aug 2025492 AMAQI
3rd Aug 2025493 AMAQI
3rd Aug 2025464 AMAQI
22°C15/27°C
3rd Aug 2025435 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025417 AMAQI
3rd Aug 2025368 AMAQI
3rd Aug 2025379 AMAQI
3rd Aug 20253910 AMAQI
3rd Aug 20254211 AMAQI
3rd Aug 20254012 PMAQI
3rd Aug 2025411 PMAQI
3rd Aug 2025452 PMAQI
3rd Aug 2025423 PMAQI
3rd Aug 2025394 PMAQI
3rd Aug 2025385 PMAQI
3rd Aug 2025426 PMAQI
3rd Aug 2025427 PMAQI
3rd Aug 2025448 PMAQI
3rd Aug 2025439 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20254211 PMAQI
4th Aug 20254212 AMAQI
4th Aug 2025391 AMAQI
4th Aug 2025392 AMAQI
4th Aug 2025483 AMAQI
4th Aug 2025434 AMAQI
22°C14/30°C
4th Aug 2025395 AMAQI
4th Aug 2025386 AMAQI
4th Aug 2025387 AMAQI
4th Aug 2025388 AMAQI
4th Aug 2025399 AMAQI
4th Aug 20253910 AMAQI
4th Aug 20254411 AMAQI
4th Aug 20255012 PMAQI
4th Aug 2025551 PMAQI
4th Aug 2025582 PMAQI
4th Aug 2025593 PMAQI
4th Aug 2025594 PMAQI
4th Aug 2025605 PMAQI
4th Aug 2025646 PMAQI
4th Aug 2025497 PMAQI
4th Aug 2025598 PMAQI
4th Aug 2025649 PMAQI
4th Aug 20256410 PMAQI
4th Aug 20256311 PMAQI
5th Aug 20256412 AMAQI
5th Aug 2025621 AMAQI
5th Aug 2025632 AMAQI
5th Aug 2025643 AMAQI
5th Aug 2025644 AMAQI
23°C13/32°C
5th Aug 2025615 AMAQI
5th Aug 2025616 AMAQI
5th Aug 2025637 AMAQI
5th Aug 2025628 AMAQI
5th Aug 2025629 AMAQI
5th Aug 20256210 AMAQI
5th Aug 20256311 AMAQI
5th Aug 20256512 PMAQI
5th Aug 2025651 PMAQI
5th Aug 2025652 PMAQI
5th Aug 2025663 PMAQI
5th Aug 2025684 PMAQI
5th Aug 2025685 PMAQI
5th Aug 2025686 PMAQI
5th Aug 2025657 PMAQI
5th Aug 2025688 PMAQI
5th Aug 2025679 PMAQI
5th Aug 20256410 PMAQI
5th Aug 20256211 PMAQI
6th Aug 20256212 AMAQI
6th Aug 2025611 AMAQI
6th Aug 2025622 AMAQI
6th Aug 2025643 AMAQI
6th Aug 2025634 AMAQI
23°C17/31°C
6th Aug 2025625 AMAQI
6th Aug 2025636 AMAQI
6th Aug 2025637 AMAQI
6th Aug 2025648 AMAQI
6th Aug 2025659 AMAQI
6th Aug 20256710 AMAQI
6th Aug 20256711 AMAQI
6th Aug 20256812 PMAQI
6th Aug 2025701 PMAQI
6th Aug 2025742 PMAQI
6th Aug 2025783 PMAQI
6th Aug 2025824 PMAQI
6th Aug 2025825 PMAQI
6th Aug 2025826 PMAQI
6th Aug 2025667 PMAQI
6th Aug 2025728 PMAQI
6th Aug 2025769 PMAQI
6th Aug 20257210 PMAQI
6th Aug 20256311 PMAQI
7th Aug 20255712 AMAQI
7th Aug 2025341 AMAQI
7th Aug 2025242 AMAQI
7th Aug 2025253 AMAQI
7th Aug 2025224 AMAQI
23°C21/26°C
7th Aug 2025225 AMAQI
7th Aug 2025246 AMAQI
7th Aug 2025297 AMAQI
7th Aug 2025328 AMAQI
7th Aug 2025369 AMAQI
7th Aug 20255610 AMAQI
7th Aug 20256111 AMAQI
7th Aug 20256412 PMAQI
7th Aug 2025671 PMAQI
7th Aug 2025662 PMAQI
7th Aug 2025663 PMAQI
7th Aug 2025644 PMAQI
7th Aug 2025645 PMAQI
7th Aug 2025626 PMAQI
7th Aug 2025587 PMAQI
7th Aug 2025548 PMAQI
7th Aug 2025569 PMAQI
7th Aug 20255410 PMAQI
7th Aug 20255011 PMAQI
8th Aug 20254612 AMAQI
8th Aug 2025331 AMAQI
8th Aug 2025282 AMAQI
8th Aug 2025243 AMAQI
8th Aug 2025214 AMAQI
23°C18/29°C
8th Aug 2025215 AMAQI
8th Aug 2025226 AMAQI
8th Aug 2025237 AMAQI
8th Aug 2025248 AMAQI
8th Aug 2025269 AMAQI
8th Aug 20252510 AMAQI
8th Aug 20253011 AMAQI
8th Aug 20254212 PMAQI
8th Aug 2025301 PMAQI
8th Aug 2025302 PMAQI
8th Aug 2025303 PMAQI
8th Aug 2025304 PMAQI
8th Aug 2025285 PMAQI
8th Aug 2025286 PMAQI
8th Aug 2025287 PMAQI
8th Aug 2025298 PMAQI
8th Aug 2025299 PMAQI
8th Aug 20253010 PMAQI
8th Aug 20253211 PMAQI
9th Aug 20253412 AMAQI
9th Aug 2025341 AMAQI
22°C16/27°C
5 AM
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 6 PM
39AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
5 AM - 10 AM
31AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 6 PM (Avg. 39), while the lowest AQI was between 5 AM to 10 AM (Avg. 31).
Night time
Avg. Highest Time
9 PM - 11 PM
37AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
3 AM - 4 AM
33AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 37), while the lowest AQI was between 3 AM to 4 AM (Avg. 33).
2025 Days Vs Air Quality
Smyrna, Delaware, United States
2025
92%
202
8%
18
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Good
202 DaysModerate
18 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% 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
Smyrna, Delaware, United States
AQI levels in 2025
AQI
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.
1st January 2025
22AQI
22AQI
2nd January 2025
19AQI
19AQI
3rd January 2025
25AQI
25AQI
4th January 2025
20AQI
20AQI
5th January 2025
25AQI
25AQI
6th January 2025
34AQI
34AQI
7th January 2025
19AQI
19AQI
8th January 2025
21AQI
21AQI
9th January 2025
22AQI
22AQI
10th January 2025
26AQI
26AQI
11th January 2025
41AQI
41AQI
12th January 2025
52AQI
52AQI
13th January 2025
38AQI
38AQI
14th January 2025
23AQI
23AQI
15th January 2025
26AQI
26AQI
16th January 2025
33AQI
33AQI
17th January 2025
41AQI
41AQI
18th January 2025
29AQI
29AQI
19th January 2025
40AQI
40AQI
20th January 2025
22AQI
22AQI
21st January 2025
29AQI
29AQI
22nd January 2025
44AQI
44AQI
23rd January 2025
54AQI
54AQI
24th January 2025
54AQI
54AQI
25th January 2025
51AQI
51AQI
26th January 2025
38AQI
38AQI
27th January 2025
39AQI
39AQI
28th January 2025
28AQI
28AQI
29th January 2025
23AQI
23AQI
30th January 2025
26AQI
26AQI
31st January 2025
28AQI
28AQI
1st February 2025
26AQI
26AQI
2nd February 2025
21AQI
21AQI
3rd February 2025
29AQI
29AQI
4th February 2025
30AQI
30AQI
5th February 2025
24AQI
24AQI
6th February 2025
24AQI
24AQI
7th February 2025
26AQI
26AQI
8th February 2025
26AQI
26AQI
9th February 2025
25AQI
25AQI
10th February 2025
30AQI
30AQI
11th February 2025
31AQI
31AQI
12th February 2025
30AQI
30AQI
13th February 2025
22AQI
22AQI
14th February 2025
26AQI
26AQI
15th February 2025
25AQI
25AQI
16th February 2025
22AQI
22AQI
17th February 2025
26AQI
26AQI
18th February 2025
25AQI
25AQI
19th February 2025
26AQI
26AQI
20th February 2025
26AQI
26AQI
21st February 2025
27AQI
27AQI
22nd February 2025
34AQI
34AQI
23rd February 2025
36AQI
36AQI
24th February 2025
41AQI
41AQI
25th February 2025
37AQI
37AQI
26th February 2025
42AQI
42AQI
27th February 2025
44AQI
44AQI
28th February 2025
31AQI
31AQI
1st March 2025
30AQI
30AQI
2nd March 2025
30AQI
30AQI
3rd March 2025
29AQI
29AQI
4th March 2025
34AQI
34AQI
5th March 2025
31AQI
31AQI
6th March 2025
24AQI
24AQI
7th March 2025
32AQI
32AQI
8th March 2025
29AQI
29AQI
9th March 2025
30AQI
30AQI
10th March 2025
30AQI
30AQI
11th March 2025
43AQI
43AQI
12th March 2025
32AQI
32AQI
13th March 2025
33AQI
33AQI
14th March 2025
33AQI
33AQI
15th March 2025
22AQI
22AQI
16th March 2025
26AQI
26AQI
17th March 2025
19AQI
19AQI
18th March 2025
19AQI
19AQI
19th March 2025
22AQI
22AQI
20th March 2025
27AQI
27AQI
21st March 2025
17AQI
17AQI
22nd March 2025
20AQI
20AQI
23rd March 2025
19AQI
19AQI
24th March 2025
29AQI
29AQI
25th March 2025
24AQI
24AQI
26th March 2025
23AQI
23AQI
27th March 2025
23AQI
23AQI
28th March 2025
31AQI
31AQI
29th March 2025
53AQI
53AQI
30th March 2025
43AQI
43AQI
31st March 2025
24AQI
24AQI
1st April 2025
21AQI
21AQI
2nd April 2025
24AQI
24AQI
3rd April 2025
25AQI
25AQI
4th April 2025
32AQI
32AQI
5th April 2025
30AQI
30AQI
6th April 2025
31AQI
31AQI
7th April 2025
19AQI
19AQI
8th April 2025
28AQI
28AQI
9th April 2025
22AQI
22AQI
10th April 2025
24AQI
24AQI
11th April 2025
22AQI
22AQI
12th April 2025
16AQI
16AQI
13th April 2025
20AQI
20AQI
14th April 2025
26AQI
26AQI
15th April 2025
32AQI
32AQI
16th April 2025
19AQI
19AQI
17th April 2025
21AQI
21AQI
18th April 2025
31AQI
31AQI
19th April 2025
50AQI
50AQI
20th April 2025
30AQI
30AQI
21st April 2025
22AQI
22AQI
22nd April 2025
24AQI
24AQI
23rd April 2025
28AQI
28AQI
24th April 2025
39AQI
39AQI
25th April 2025
26AQI
26AQI
26th April 2025
32AQI
32AQI
27th April 2025
13AQI
13AQI
28th April 2025
16AQI
16AQI
29th April 2025
27AQI
27AQI
30th April 2025
33AQI
33AQI
1st May 2025
35AQI
35AQI
2nd May 2025
46AQI
46AQI
3rd May 2025
41AQI
41AQI
4th May 2025
24AQI
24AQI
5th May 2025
20AQI
20AQI
6th May 2025
19AQI
19AQI
7th May 2025
19AQI
19AQI
8th May 2025
25AQI
25AQI
9th May 2025
23AQI
23AQI
10th May 2025
17AQI
17AQI
11th May 2025
32AQI
32AQI
12th May 2025
34AQI
34AQI
13th May 2025
20AQI
20AQI
14th May 2025
23AQI
23AQI
15th May 2025
19AQI
19AQI
16th May 2025
36AQI
36AQI
17th May 2025
24AQI
24AQI
18th May 2025
20AQI
20AQI
19th May 2025
21AQI
21AQI
20th May 2025
18AQI
18AQI
21st May 2025
16AQI
16AQI
22nd May 2025
13AQI
13AQI
23rd May 2025
12AQI
12AQI
24th May 2025
11AQI
11AQI
25th May 2025
12AQI
12AQI
26th May 2025
15AQI
15AQI
27th May 2025
17AQI
17AQI
28th May 2025
18AQI
18AQI
29th May 2025
18AQI
18AQI
30th May 2025
24AQI
24AQI
31st May 2025
30AQI
30AQI
1st June 2025
21AQI
21AQI
2nd June 2025
23AQI
23AQI
3rd June 2025
28AQI
28AQI
4th June 2025
41AQI
41AQI
5th June 2025
46AQI
46AQI
6th June 2025
40AQI
40AQI
7th June 2025
29AQI
29AQI
8th June 2025
20AQI
20AQI
9th June 2025
24AQI
24AQI
10th June 2025
32AQI
32AQI
11th June 2025
48AQI
48AQI
12th June 2025
60AQI
60AQI
13th June 2025
65AQI
65AQI
14th June 2025
61AQI
61AQI
15th June 2025
37AQI
37AQI
16th June 2025
32AQI
32AQI
17th June 2025
22AQI
22AQI
18th June 2025
21AQI
21AQI
19th June 2025
22AQI
22AQI
20th June 2025
21AQI
21AQI
21st June 2025
38AQI
38AQI
22nd June 2025
43AQI
43AQI
23rd June 2025
51AQI
51AQI
24th June 2025
56AQI
56AQI
25th June 2025
57AQI
57AQI
26th June 2025
51AQI
51AQI
27th June 2025
36AQI
36AQI
28th June 2025
25AQI
25AQI
29th June 2025
42AQI
42AQI
30th June 2025
41AQI
41AQI
1st July 2025
41AQI
41AQI
2nd July 2025
23AQI
23AQI
3rd July 2025
35AQI
35AQI
4th July 2025
48AQI
48AQI
5th July 2025
59AQI
59AQI
6th July 2025
49AQI
49AQI
7th July 2025
27AQI
27AQI
8th July 2025
30AQI
30AQI
9th July 2025
25AQI
25AQI
10th July 2025
21AQI
21AQI
11th July 2025
26AQI
26AQI
12th July 2025
23AQI
23AQI
13th July 2025
18AQI
18AQI
14th July 2025
20AQI
20AQI
15th July 2025
20AQI
20AQI
16th July 2025
26AQI
26AQI
17th July 2025
24AQI
24AQI
18th July 2025
25AQI
25AQI
19th July 2025
24AQI
24AQI
20th July 2025
20AQI
20AQI
21st July 2025
26AQI
26AQI
22nd July 2025
51AQI
51AQI
23rd July 2025
35AQI
35AQI
24th July 2025
27AQI
27AQI
25th July 2025
39AQI
39AQI
26th July 2025
31AQI
31AQI
27th July 2025
63AQI
63AQI
28th July 2025
32AQI
32AQI
29th July 2025
41AQI
41AQI
30th July 2025
51AQI
51AQI
31st July 2025
45AQI
45AQI
1st August 2025
32AQI
32AQI
2nd August 2025
44AQI
44AQI
3rd August 2025
42AQI
42AQI
4th August 2025
50AQI
50AQI
5th August 2025
64AQI
64AQI
6th August 2025
68AQI
68AQI
7th August 2025
47AQI
47AQI
8th August 2025
29AQI
29AQI
32AQI
29AQI
28AQI
26AQI
23AQI
38AQI
33AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202530AQI
27
4
28
30
1
30
31
23
7
27
4
6
2
202
18
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
May23AQI
202429AQI
31
28
1
31
29
1
31
30
31
31
30
28
3
29
1
30
1
359
7
Highest AQI recorded in
April34AQI
Lowest AQI recorded in
January18AQI
202331AQI
31
28
31
30
30
1
19
7
3
1
28
3
31
30
31
26
1
30
1
345
13
3
1
Highest AQI recorded in
June56AQI
Lowest AQI recorded in
December18AQI
202231AQI
29
1
20
1
31
29
29
2
26
2
22
1
4
30
31
28
31
310
7
Highest AQI recorded in
June38AQI
Lowest AQI recorded in
December24AQI
202130AQI
26
1
25
3
30
1
30
31
30
19
10
31
29
1
31
28
30
340
16
Highest AQI recorded in
July42AQI
Lowest AQI recorded in
January23AQI
202026AQI
9
21
16
28
31
31
30
31
28
31
256
Highest AQI recorded in
April35AQI
Lowest AQI recorded in
September21AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
31AQILeast Polluted Year Recorded
2020(Avg.)
26AQISmyrna's annual 2025 AQI (30) shows an average percentage change of 3.9% (worsened AQI) compared to previous years: 2020 (26), 2021 (30), 2022 (31), 2023 (31), 2024 (29).
