Iowa City, Iowa, 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
Iowa City, Iowa, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
120AQILowest AQI recorded on
30th Aug 2024
14AQISame Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 45 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Iowa City, Iowa, United States
AQI
Day
Night
.
5 AM10th Aug 2025
8 PM
4 AM11th Aug 2025
Day time
Avg. Highest Time
6AM10th Aug
47AQI
Avg. Lowest Time
1PM10th Aug
34AQI
Night time
Avg. Highest Time
5AM10th Aug
46AQI
Avg. Lowest Time
4AM11th Aug
31AQI
In the last 24 hours,
Iowa City's AQI reached its highest point of 47 at 6 AM during the Day, while the lowest point, 31, was recorded at 4 AM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Iowa City, Iowa, United States
JulAug
12th - 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 - 10th10th - 11th11th
Day
Night
12th Jul 2025285 AMAQI
12th Jul 2025306 AMAQI
12th Jul 2025257 AMAQI
12th Jul 2025328 AMAQI
12th Jul 2025259 AMAQI
12th Jul 20253110 AMAQI
12th Jul 20252511 AMAQI
12th Jul 20253112 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025532 PMAQI
12th Jul 2025383 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025367 PMAQI
12th Jul 2025368 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20254210 PMAQI
12th Jul 20254411 PMAQI
13th Jul 20254512 AMAQI
13th Jul 2025371 AMAQI
13th Jul 2025442 AMAQI
13th Jul 2025383 AMAQI
13th Jul 2025394 AMAQI
23°C18/31°C
13th Jul 2025385 AMAQI
13th Jul 2025406 AMAQI
13th Jul 2025477 AMAQI
13th Jul 2025478 AMAQI
13th Jul 2025509 AMAQI
13th Jul 20255410 AMAQI
13th Jul 20255411 AMAQI
13th Jul 20255412 PMAQI
13th Jul 2025561 PMAQI
13th Jul 2025562 PMAQI
13th Jul 2025553 PMAQI
13th Jul 2025564 PMAQI
13th Jul 2025575 PMAQI
13th Jul 2025586 PMAQI
13th Jul 2025547 PMAQI
13th Jul 2025528 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255511 PMAQI
14th Jul 20255512 AMAQI
14th Jul 2025571 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025603 AMAQI
14th Jul 2025604 AMAQI
22°C14/31°C
14th Jul 2025615 AMAQI
14th Jul 2025606 AMAQI
14th Jul 2025627 AMAQI
14th Jul 2025598 AMAQI
14th Jul 2025579 AMAQI
14th Jul 20255610 AMAQI
14th Jul 20255511 AMAQI
14th Jul 20255612 PMAQI
14th Jul 2025551 PMAQI
14th Jul 2025592 PMAQI
14th Jul 2025643 PMAQI
14th Jul 2025654 PMAQI
14th Jul 2025665 PMAQI
14th Jul 2025656 PMAQI
14th Jul 2025627 PMAQI
14th Jul 2025638 PMAQI
14th Jul 2025629 PMAQI
14th Jul 20256310 PMAQI
14th Jul 20256411 PMAQI
15th Jul 20256412 AMAQI
15th Jul 2025661 AMAQI
15th Jul 2025642 AMAQI
15th Jul 2025683 AMAQI
15th Jul 2025694 AMAQI
23°C15/33°C
15th Jul 2025705 AMAQI
15th Jul 2025706 AMAQI
15th Jul 2025717 AMAQI
15th Jul 2025688 AMAQI
15th Jul 2025669 AMAQI
15th Jul 20256210 AMAQI
15th Jul 20256011 AMAQI
15th Jul 20255812 PMAQI
15th Jul 2025541 PMAQI
15th Jul 2025562 PMAQI
15th Jul 2025603 PMAQI
15th Jul 2025584 PMAQI
15th Jul 2025595 PMAQI
15th Jul 2025576 PMAQI
15th Jul 2025657 PMAQI
15th Jul 2025638 PMAQI
15th Jul 2025609 PMAQI
15th Jul 20256010 PMAQI
15th Jul 20256011 PMAQI
16th Jul 20256012 AMAQI
16th Jul 2025601 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025403 AMAQI
16th Jul 2025414 AMAQI
25°C17/33°C
16th Jul 2025395 AMAQI
16th Jul 2025386 AMAQI
16th Jul 2025447 AMAQI
16th Jul 2025428 AMAQI
16th Jul 2025429 AMAQI
16th Jul 20254210 AMAQI
16th Jul 20254111 AMAQI
16th Jul 20253912 PMAQI
16th Jul 2025351 PMAQI
16th Jul 2025342 PMAQI
16th Jul 2025373 PMAQI
16th Jul 2025364 PMAQI
16th Jul 2025365 PMAQI
16th Jul 2025366 PMAQI
16th Jul 2025447 PMAQI
16th Jul 2025438 PMAQI
16th Jul 2025399 PMAQI
16th Jul 20253910 PMAQI
16th Jul 20253711 PMAQI
17th Jul 20253612 AMAQI
17th Jul 2025361 AMAQI
17th Jul 2025302 AMAQI
17th Jul 2025233 AMAQI
17th Jul 2025234 AMAQI
26°C20/33°C
17th Jul 2025265 AMAQI
17th Jul 2025266 AMAQI
17th Jul 2025257 AMAQI
17th Jul 2025258 AMAQI
17th Jul 2025249 AMAQI
17th Jul 20252410 AMAQI
17th Jul 20252411 AMAQI
17th Jul 20252612 PMAQI
17th Jul 2025241 PMAQI
17th Jul 2025242 PMAQI
17th Jul 2025233 PMAQI
17th Jul 2025234 PMAQI
17th Jul 2025235 PMAQI
17th Jul 2025246 PMAQI
17th Jul 2025247 PMAQI
17th Jul 2025248 PMAQI
17th Jul 2025239 PMAQI
17th Jul 20252310 PMAQI
17th Jul 20252411 PMAQI
18th Jul 20252312 AMAQI
18th Jul 2025251 AMAQI
18th Jul 2025232 AMAQI
18th Jul 2025293 AMAQI
18th Jul 2025214 AMAQI
20°C16/24°C
18th Jul 2025215 AMAQI
18th Jul 2025226 AMAQI
18th Jul 2025247 AMAQI
18th Jul 2025288 AMAQI
18th Jul 2025259 AMAQI
18th Jul 20252510 AMAQI
18th Jul 20252511 AMAQI
18th Jul 20252712 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025284 PMAQI
18th Jul 2025275 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025268 PMAQI
18th Jul 2025309 PMAQI
18th Jul 20253210 PMAQI
18th Jul 20253511 PMAQI
19th Jul 20253412 AMAQI
19th Jul 2025321 AMAQI
19th Jul 2025322 AMAQI
19th Jul 2025323 AMAQI
19th Jul 2025324 AMAQI
22°C12/30°C
19th Jul 2025315 AMAQI
19th Jul 2025316 AMAQI
19th Jul 2025307 AMAQI
19th Jul 2025288 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252210 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20252012 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025266 PMAQI
19th Jul 2025277 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025249 PMAQI
19th Jul 20252510 PMAQI
19th Jul 20252611 PMAQI
20th Jul 20252312 AMAQI
20th Jul 2025231 AMAQI
20th Jul 2025212 AMAQI
20th Jul 2025173 AMAQI
20th Jul 2025174 AMAQI
26°C19/34°C
20th Jul 2025195 AMAQI
20th Jul 2025176 AMAQI
20th Jul 2025187 AMAQI
20th Jul 2025188 AMAQI
20th Jul 2025189 AMAQI
20th Jul 20251810 AMAQI
20th Jul 20251811 AMAQI
20th Jul 20251912 PMAQI
20th Jul 2025181 PMAQI
20th Jul 2025182 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025194 PMAQI
20th Jul 2025195 PMAQI
20th Jul 2025206 PMAQI
20th Jul 2025207 PMAQI
20th Jul 2025208 PMAQI
20th Jul 2025229 PMAQI
20th Jul 20252310 PMAQI
20th Jul 20252411 PMAQI
21st Jul 20252512 AMAQI
21st Jul 2025261 AMAQI
21st Jul 2025272 AMAQI
21st Jul 2025303 AMAQI
21st Jul 2025324 AMAQI
23°C21/28°C
21st Jul 2025345 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025417 AMAQI
21st Jul 2025458 AMAQI
21st Jul 2025489 AMAQI
21st Jul 20255010 AMAQI
21st Jul 20255411 AMAQI
21st Jul 20255412 PMAQI
21st Jul 2025541 PMAQI
21st Jul 2025532 PMAQI
21st Jul 2025543 PMAQI
21st Jul 2025534 PMAQI
21st Jul 2025545 PMAQI
21st Jul 2025526 PMAQI
21st Jul 2025447 PMAQI
21st Jul 2025448 PMAQI
21st Jul 2025439 PMAQI
21st Jul 20254510 PMAQI
21st Jul 20254811 PMAQI
22nd Jul 20254612 AMAQI
22nd Jul 2025441 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025353 AMAQI
22nd Jul 2025344 AMAQI
23°C20/26°C
22nd Jul 2025345 AMAQI
22nd Jul 2025366 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025398 AMAQI
22nd Jul 2025429 AMAQI
22nd Jul 20254210 AMAQI
22nd Jul 20254011 AMAQI
22nd Jul 20254212 PMAQI
22nd Jul 2025431 PMAQI
22nd Jul 2025482 PMAQI
22nd Jul 2025503 PMAQI
22nd Jul 2025464 PMAQI
22nd Jul 2025465 PMAQI
22nd Jul 2025456 PMAQI
22nd Jul 2025487 PMAQI
22nd Jul 2025478 PMAQI
22nd Jul 2025449 PMAQI
22nd Jul 20254610 PMAQI
22nd Jul 20254611 PMAQI
23rd Jul 20254512 AMAQI
23rd Jul 2025461 AMAQI
23rd Jul 2025442 AMAQI
23rd Jul 2025423 AMAQI
23rd Jul 2025404 AMAQI
29°C22/35°C
23rd Jul 2025435 AMAQI
23rd Jul 2025466 AMAQI
23rd Jul 2025487 AMAQI
23rd Jul 2025488 AMAQI
23rd Jul 2025499 AMAQI
23rd Jul 20255110 AMAQI
23rd Jul 20255211 AMAQI
23rd Jul 20255212 PMAQI
23rd Jul 2025511 PMAQI
23rd Jul 2025522 PMAQI
23rd Jul 2025523 PMAQI
23rd Jul 2025524 PMAQI
23rd Jul 2025505 PMAQI
23rd Jul 2025496 PMAQI
23rd Jul 2025487 PMAQI
23rd Jul 2025498 PMAQI
23rd Jul 2025469 PMAQI
23rd Jul 20254810 PMAQI
23rd Jul 20254811 PMAQI
24th Jul 20254912 AMAQI
24th Jul 2025481 AMAQI
24th Jul 2025472 AMAQI
24th Jul 2025383 AMAQI
24th Jul 2025334 AMAQI
30°C25/37°C
24th Jul 2025325 AMAQI
24th Jul 2025286 AMAQI
24th Jul 2025307 AMAQI
24th Jul 2025308 AMAQI
24th Jul 2025289 AMAQI
24th Jul 20252710 AMAQI
24th Jul 20252811 AMAQI
24th Jul 20252612 PMAQI
24th Jul 2025261 PMAQI
24th Jul 2025282 PMAQI
24th Jul 2025323 PMAQI
24th Jul 2025304 PMAQI
24th Jul 2025295 PMAQI
24th Jul 2025286 PMAQI
24th Jul 2025307 PMAQI
24th Jul 2025288 PMAQI
24th Jul 2025299 PMAQI
24th Jul 20252910 PMAQI
24th Jul 20253011 PMAQI
25th Jul 20253112 AMAQI
25th Jul 2025311 AMAQI
25th Jul 2025292 AMAQI
25th Jul 2025233 AMAQI
25th Jul 2025244 AMAQI
26°C22/30°C
25th Jul 2025255 AMAQI
25th Jul 2025246 AMAQI
25th Jul 2025257 AMAQI
25th Jul 2025248 AMAQI
25th Jul 2025229 AMAQI
25th Jul 20252310 AMAQI
25th Jul 20252311 AMAQI
25th Jul 20252412 PMAQI
25th Jul 2025231 PMAQI
25th Jul 2025242 PMAQI
25th Jul 2025263 PMAQI
25th Jul 2025264 PMAQI
25th Jul 2025275 PMAQI
25th Jul 2025256 PMAQI
25th Jul 2025287 PMAQI
25th Jul 2025268 PMAQI
25th Jul 2025249 PMAQI
25th Jul 20252410 PMAQI
25th Jul 20252311 PMAQI
26th Jul 20252412 AMAQI
26th Jul 2025231 AMAQI
26th Jul 2025232 AMAQI
26th Jul 2025203 AMAQI
26th Jul 2025204 AMAQI
25°C20/30°C
26th Jul 2025195 AMAQI
26th Jul 2025206 AMAQI
26th Jul 2025217 AMAQI
26th Jul 2025218 AMAQI
26th Jul 2025209 AMAQI
26th Jul 20252110 AMAQI
26th Jul 20252011 AMAQI
26th Jul 20251812 PMAQI
26th Jul 2025181 PMAQI
26th Jul 2025192 PMAQI
26th Jul 2025193 PMAQI
26th Jul 2025194 PMAQI
26th Jul 2025205 PMAQI
26th Jul 2025196 PMAQI
26th Jul 2025217 PMAQI
26th Jul 2025228 PMAQI
26th Jul 2025229 PMAQI
26th Jul 20252210 PMAQI
26th Jul 20252211 PMAQI
27th Jul 20252312 AMAQI
27th Jul 2025231 AMAQI
27th Jul 2025212 AMAQI
27th Jul 2025193 AMAQI
27th Jul 2025204 AMAQI
24°C21/30°C
27th Jul 2025195 AMAQI
27th Jul 2025206 AMAQI
27th Jul 2025207 AMAQI
27th Jul 2025218 AMAQI
27th Jul 2025239 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252611 AMAQI
27th Jul 20252812 PMAQI
27th Jul 2025271 PMAQI
27th Jul 2025282 PMAQI
27th Jul 2025263 PMAQI
27th Jul 2025264 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025246 PMAQI
27th Jul 2025237 PMAQI
27th Jul 2025248 PMAQI
27th Jul 2025249 PMAQI
27th Jul 20252310 PMAQI
27th Jul 20252411 PMAQI
28th Jul 20252412 AMAQI
28th Jul 2025241 AMAQI
28th Jul 2025252 AMAQI
28th Jul 2025243 AMAQI
28th Jul 2025264 AMAQI
27°C21/34°C
28th Jul 2025265 AMAQI
28th Jul 2025266 AMAQI
28th Jul 2025247 AMAQI
28th Jul 2025248 AMAQI
28th Jul 2025259 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20252411 AMAQI
28th Jul 20252412 PMAQI
28th Jul 2025241 PMAQI
28th Jul 2025262 PMAQI
28th Jul 2025273 PMAQI
28th Jul 2025274 PMAQI
28th Jul 2025295 PMAQI
28th Jul 2025276 PMAQI
28th Jul 2025267 PMAQI
28th Jul 2025268 PMAQI
28th Jul 2025289 PMAQI
28th Jul 20252810 PMAQI
28th Jul 20252911 PMAQI
29th Jul 20253112 AMAQI
29th Jul 2025291 AMAQI
29th Jul 2025292 AMAQI
29th Jul 2025303 AMAQI
29th Jul 2025254 AMAQI
28°C20/35°C
29th Jul 2025225 AMAQI
29th Jul 2025296 AMAQI
29th Jul 2025287 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20252610 AMAQI
29th Jul 20252511 AMAQI
29th Jul 20252712 PMAQI
29th Jul 2025261 PMAQI
29th Jul 2025282 PMAQI
29th Jul 2025303 PMAQI
29th Jul 2025304 PMAQI
29th Jul 2025315 PMAQI
29th Jul 2025316 PMAQI
29th Jul 2025307 PMAQI
29th Jul 2025298 PMAQI
29th Jul 2025329 PMAQI
29th Jul 20253310 PMAQI
29th Jul 20253411 PMAQI
30th Jul 20253212 AMAQI
30th Jul 2025321 AMAQI
30th Jul 2025322 AMAQI
30th Jul 2025293 AMAQI
30th Jul 2025284 AMAQI
29°C23/36°C
30th Jul 2025255 AMAQI
30th Jul 2025226 AMAQI
30th Jul 2025247 AMAQI
30th Jul 2025248 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20252410 AMAQI
30th Jul 20252311 AMAQI
30th Jul 20252312 PMAQI
30th Jul 2025231 PMAQI
30th Jul 2025222 PMAQI
30th Jul 2025223 PMAQI
30th Jul 2025224 PMAQI
30th Jul 2025225 PMAQI
30th Jul 2025226 PMAQI
30th Jul 2025227 PMAQI
30th Jul 2025228 PMAQI
30th Jul 2025289 PMAQI
30th Jul 20252910 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20253712 AMAQI
31st Jul 2025411 AMAQI
31st Jul 2025482 AMAQI
31st Jul 2025603 AMAQI
31st Jul 2025654 AMAQI
23°C19/25°C
31st Jul 2025595 AMAQI
31st Jul 2025876 AMAQI
31st Jul 20251257 AMAQI
31st Jul 20251478 AMAQI
31st Jul 20251559 AMAQI
31st Jul 202516010 AMAQI
31st Jul 202516511 AMAQI
31st Jul 202516612 PMAQI
31st Jul 20251661 PMAQI
31st Jul 20251662 PMAQI
31st Jul 20251703 PMAQI
31st Jul 20251674 PMAQI
31st Jul 20251635 PMAQI
31st Jul 20251586 PMAQI
31st Jul 20251477 PMAQI
31st Jul 20251558 PMAQI
31st Jul 20251299 PMAQI
31st Jul 202511410 PMAQI
31st Jul 202511811 PMAQI
1st Aug 202513012 AMAQI
1st Aug 20251321 AMAQI
1st Aug 20251182 AMAQI
1st Aug 20251303 AMAQI
1st Aug 20251204 AMAQI
21°C15/28°C
1st Aug 20251285 AMAQI
1st Aug 20251236 AMAQI
1st Aug 20251127 AMAQI
1st Aug 20251228 AMAQI
1st Aug 20251349 AMAQI
1st Aug 202511810 AMAQI
1st Aug 202511611 AMAQI
1st Aug 202511212 PMAQI
1st Aug 20251121 PMAQI
1st Aug 20251122 PMAQI
1st Aug 20251083 PMAQI
1st Aug 20251084 PMAQI
1st Aug 20251035 PMAQI
1st Aug 20251076 PMAQI
1st Aug 20251347 PMAQI
1st Aug 20251258 PMAQI
1st Aug 20251169 PMAQI
1st Aug 202511610 PMAQI
1st Aug 202511711 PMAQI
2nd Aug 202511612 AMAQI
2nd Aug 20251061 AMAQI
2nd Aug 20251082 AMAQI
2nd Aug 20251123 AMAQI
2nd Aug 20251124 AMAQI
19°C9/27°C
2nd Aug 20251085 AMAQI
2nd Aug 20251146 AMAQI
2nd Aug 20251077 AMAQI
2nd Aug 20251198 AMAQI
2nd Aug 20251169 AMAQI
2nd Aug 202511110 AMAQI
2nd Aug 202510811 AMAQI
2nd Aug 202510012 PMAQI
2nd Aug 2025961 PMAQI
2nd Aug 2025902 PMAQI
2nd Aug 2025913 PMAQI
2nd Aug 2025914 PMAQI
2nd Aug 2025895 PMAQI
2nd Aug 2025866 PMAQI
2nd Aug 20251007 PMAQI
2nd Aug 2025938 PMAQI
2nd Aug 2025889 PMAQI
2nd Aug 20258810 PMAQI
2nd Aug 20259011 PMAQI
3rd Aug 20259012 AMAQI
3rd Aug 2025841 AMAQI
3rd Aug 2025872 AMAQI
3rd Aug 2025883 AMAQI
3rd Aug 2025874 AMAQI
20°C12/28°C
3rd Aug 2025815 AMAQI
3rd Aug 2025816 AMAQI
3rd Aug 2025807 AMAQI
3rd Aug 2025828 AMAQI
3rd Aug 2025789 AMAQI
3rd Aug 20257210 AMAQI
3rd Aug 20257211 AMAQI
3rd Aug 20257212 PMAQI
3rd Aug 2025731 PMAQI
3rd Aug 2025712 PMAQI
3rd Aug 2025693 PMAQI
3rd Aug 2025684 PMAQI
3rd Aug 2025755 PMAQI
3rd Aug 2025766 PMAQI
3rd Aug 2025807 PMAQI
3rd Aug 2025818 PMAQI
3rd Aug 2025849 PMAQI
3rd Aug 20258510 PMAQI
3rd Aug 20259211 PMAQI
4th Aug 20259512 AMAQI
4th Aug 2025991 AMAQI
4th Aug 2025962 AMAQI
4th Aug 2025933 AMAQI
4th Aug 2025964 AMAQI
20°C10/28°C
4th Aug 2025975 AMAQI
4th Aug 2025906 AMAQI
4th Aug 2025847 AMAQI
4th Aug 2025848 AMAQI
4th Aug 2025869 AMAQI
4th Aug 20258210 AMAQI
4th Aug 20257211 AMAQI
4th Aug 20256912 PMAQI
4th Aug 2025661 PMAQI
4th Aug 2025602 PMAQI
4th Aug 2025563 PMAQI
4th Aug 2025584 PMAQI
4th Aug 2025565 PMAQI
4th Aug 2025566 PMAQI
4th Aug 2025817 PMAQI
4th Aug 2025708 PMAQI
4th Aug 2025569 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255811 PMAQI
5th Aug 20255812 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025582 AMAQI
5th Aug 2025593 AMAQI
5th Aug 2025604 AMAQI
21°C12/27°C
5th Aug 2025605 AMAQI
5th Aug 2025606 AMAQI
5th Aug 2025627 AMAQI
5th Aug 2025618 AMAQI
5th Aug 2025639 AMAQI
5th Aug 20256510 AMAQI
5th Aug 20256511 AMAQI
5th Aug 20255712 PMAQI
5th Aug 2025551 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025613 PMAQI
5th Aug 2025624 PMAQI
5th Aug 2025595 PMAQI
5th Aug 2025566 PMAQI
5th Aug 2025587 PMAQI
5th Aug 2025588 PMAQI
5th Aug 2025609 PMAQI
5th Aug 20256810 PMAQI
5th Aug 20257411 PMAQI
6th Aug 20257612 AMAQI
6th Aug 2025811 AMAQI
6th Aug 2025852 AMAQI
6th Aug 2025843 AMAQI
6th Aug 2025814 AMAQI
22°C14/31°C
6th Aug 2025775 AMAQI
6th Aug 2025766 AMAQI
6th Aug 2025757 AMAQI
6th Aug 2025768 AMAQI
6th Aug 2025769 AMAQI
6th Aug 20257410 AMAQI
6th Aug 20256811 AMAQI
6th Aug 20256212 PMAQI
6th Aug 2025561 PMAQI
6th Aug 2025542 PMAQI
6th Aug 2025533 PMAQI
6th Aug 2025544 PMAQI
6th Aug 2025505 PMAQI
6th Aug 2025536 PMAQI
6th Aug 2025707 PMAQI
6th Aug 2025628 PMAQI
6th Aug 2025499 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20255311 PMAQI
7th Aug 20255812 AMAQI
7th Aug 2025641 AMAQI
7th Aug 2025572 AMAQI
7th Aug 2025443 AMAQI
7th Aug 2025474 AMAQI
22°C15/29°C
7th Aug 2025445 AMAQI
7th Aug 2025486 AMAQI
7th Aug 2025537 AMAQI
7th Aug 2025548 AMAQI
7th Aug 2025539 AMAQI
7th Aug 20255310 AMAQI
7th Aug 20255411 AMAQI
7th Aug 20255412 PMAQI
7th Aug 2025531 PMAQI
7th Aug 2025542 PMAQI
7th Aug 2025543 PMAQI
7th Aug 2025544 PMAQI
7th Aug 2025525 PMAQI
7th Aug 2025526 PMAQI
7th Aug 2025547 PMAQI
7th Aug 2025548 PMAQI
7th Aug 2025539 PMAQI
7th Aug 20255310 PMAQI
7th Aug 20255411 PMAQI
8th Aug 20255312 AMAQI
8th Aug 2025531 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025463 AMAQI
8th Aug 2025484 AMAQI
23°C20/27°C
8th Aug 2025495 AMAQI
8th Aug 2025496 AMAQI
8th Aug 2025507 AMAQI
8th Aug 2025508 AMAQI
8th Aug 2025519 AMAQI
8th Aug 20255110 AMAQI
8th Aug 20255211 AMAQI
8th Aug 20255212 PMAQI
8th Aug 2025511 PMAQI
8th Aug 2025522 PMAQI
8th Aug 2025523 PMAQI
8th Aug 2025524 PMAQI
8th Aug 2025525 PMAQI
8th Aug 2025526 PMAQI
8th Aug 2025527 PMAQI
8th Aug 2025538 PMAQI
8th Aug 2025539 PMAQI
8th Aug 20255210 PMAQI
8th Aug 20255311 PMAQI
9th Aug 20255312 AMAQI
9th Aug 2025531 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025473 AMAQI
9th Aug 2025454 AMAQI
28°C21/36°C
9th Aug 2025445 AMAQI
9th Aug 2025456 AMAQI
9th Aug 2025487 AMAQI
9th Aug 2025488 AMAQI
9th Aug 2025469 AMAQI
9th Aug 20254710 AMAQI
9th Aug 20254811 AMAQI
9th Aug 20254812 PMAQI
9th Aug 2025501 PMAQI
9th Aug 2025502 PMAQI
9th Aug 2025523 PMAQI
9th Aug 2025524 PMAQI
9th Aug 2025525 PMAQI
9th Aug 2025526 PMAQI
9th Aug 2025527 PMAQI
9th Aug 2025528 PMAQI
9th Aug 2025529 PMAQI
9th Aug 20255310 PMAQI
9th Aug 20255211 PMAQI
10th Aug 20255312 AMAQI
10th Aug 2025521 AMAQI
10th Aug 2025522 AMAQI
10th Aug 2025483 AMAQI
10th Aug 2025464 AMAQI
28°C18/37°C
10th Aug 2025465 AMAQI
10th Aug 2025476 AMAQI
10th Aug 2025427 AMAQI
10th Aug 2025368 AMAQI
10th Aug 2025369 AMAQI
10th Aug 20253510 AMAQI
10th Aug 20253411 AMAQI
10th Aug 20253412 PMAQI
10th Aug 2025341 PMAQI
10th Aug 2025402 PMAQI
10th Aug 2025423 PMAQI
10th Aug 2025444 PMAQI
10th Aug 2025445 PMAQI
10th Aug 2025436 PMAQI
10th Aug 2025447 PMAQI
10th Aug 2025448 PMAQI
10th Aug 2025419 PMAQI
10th Aug 20254110 PMAQI
10th Aug 20253811 PMAQI
11th Aug 20253812 AMAQI
11th Aug 2025331 AMAQI
11th Aug 2025312 AMAQI
11th Aug 2025313 AMAQI
11th Aug 2025314 AMAQI
25°C21/28°C
11th Aug 2025315 AMAQI
5 AM11th Aug 2025326 AMAQI
11th Aug 2025317 AMAQI
11th Aug 2025308 AMAQI
11th Aug 2025319 AMAQI
11th Aug 20253010 AMAQI
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
7 PM - 8 PM
52AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
5 AM - 6 PM
49AQI
14 hours / Day
420 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 8 PM (Avg. 52), while the lowest AQI was between 5 AM to 6 PM (Avg. 49).
Night time
Avg. Highest Time
12 AM - 11 PM
49AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
49AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 49), while the lowest AQI was between 12 AM to 11 PM (Avg. 49).
2025 Days Vs Air Quality
Iowa City, Iowa, United States
2025
83%
185
15%
34
1%
3
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Good
185 DaysModerate
34 DaysPoor
3 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 223 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Iowa City, Iowa, 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
28AQI
28AQI
2nd January 2025
30AQI
30AQI
3rd January 2025
24AQI
24AQI
4th January 2025
22AQI
22AQI
5th January 2025
22AQI
22AQI
6th January 2025
21AQI
21AQI
7th January 2025
32AQI
32AQI
8th January 2025
29AQI
29AQI
9th January 2025
52AQI
52AQI
10th January 2025
43AQI
43AQI
11th January 2025
27AQI
27AQI
12th January 2025
33AQI
33AQI
13th January 2025
23AQI
23AQI
14th January 2025
24AQI
24AQI
15th January 2025
30AQI
30AQI
16th January 2025
29AQI
29AQI
17th January 2025
26AQI
26AQI
18th January 2025
19AQI
19AQI
19th January 2025
20AQI
20AQI
20th January 2025
22AQI
22AQI
21st January 2025
21AQI
21AQI
22nd January 2025
25AQI
25AQI
23rd January 2025
27AQI
27AQI
24th January 2025
37AQI
37AQI
25th January 2025
29AQI
29AQI
26th January 2025
22AQI
22AQI
27th January 2025
25AQI
25AQI
28th January 2025
24AQI
24AQI
29th January 2025
27AQI
27AQI
30th January 2025
43AQI
43AQI
31st January 2025
39AQI
39AQI
1st February 2025
25AQI
25AQI
2nd February 2025
43AQI
43AQI
3rd February 2025
38AQI
38AQI
4th February 2025
23AQI
23AQI
5th February 2025
31AQI
31AQI
6th February 2025
31AQI
31AQI
7th February 2025
26AQI
26AQI
8th February 2025
29AQI
29AQI
9th February 2025
30AQI
30AQI
10th February 2025
36AQI
36AQI
11th February 2025
30AQI
30AQI
12th February 2025
28AQI
28AQI
13th February 2025
36AQI
36AQI
14th February 2025
37AQI
37AQI
15th February 2025
44AQI
44AQI
16th February 2025
27AQI
27AQI
17th February 2025
23AQI
23AQI
18th February 2025
23AQI
23AQI
19th February 2025
23AQI
23AQI
20th February 2025
24AQI
24AQI
21st February 2025
33AQI
33AQI
22nd February 2025
47AQI
47AQI
23rd February 2025
54AQI
54AQI
24th February 2025
35AQI
35AQI
25th February 2025
25AQI
25AQI
26th February 2025
26AQI
26AQI
27th February 2025
26AQI
26AQI
28th February 2025
24AQI
24AQI
1st March 2025
24AQI
24AQI
2nd March 2025
29AQI
29AQI
3rd March 2025
47AQI
47AQI
4th March 2025
43AQI
43AQI
5th March 2025
29AQI
29AQI
6th March 2025
25AQI
25AQI
7th March 2025
24AQI
24AQI
8th March 2025
29AQI
29AQI
9th March 2025
26AQI
26AQI
10th March 2025
27AQI
27AQI
11th March 2025
26AQI
26AQI
12th March 2025
32AQI
32AQI
13th March 2025
62AQI
62AQI
14th March 2025
53AQI
53AQI
15th March 2025
60AQI
60AQI
16th March 2025
21AQI
21AQI
17th March 2025
29AQI
29AQI
18th March 2025
32AQI
32AQI
19th March 2025
31AQI
31AQI
20th March 2025
20AQI
20AQI
21st March 2025
24AQI
24AQI
22nd March 2025
29AQI
29AQI
23rd March 2025
26AQI
26AQI
24th March 2025
22AQI
22AQI
25th March 2025
21AQI
21AQI
26th March 2025
27AQI
27AQI
27th March 2025
37AQI
37AQI
28th March 2025
43AQI
43AQI
29th March 2025
34AQI
34AQI
30th March 2025
31AQI
31AQI
31st March 2025
19AQI
19AQI
1st April 2025
36AQI
36AQI
2nd April 2025
29AQI
29AQI
3rd April 2025
21AQI
21AQI
4th April 2025
27AQI
27AQI
5th April 2025
35AQI
35AQI
6th April 2025
28AQI
28AQI
7th April 2025
31AQI
31AQI
8th April 2025
23AQI
23AQI
9th April 2025
39AQI
39AQI
10th April 2025
55AQI
55AQI
11th April 2025
49AQI
49AQI
12th April 2025
52AQI
52AQI
13th April 2025
46AQI
46AQI
14th April 2025
36AQI
36AQI
15th April 2025
22AQI
22AQI
16th April 2025
39AQI
39AQI
17th April 2025
47AQI
47AQI
18th April 2025
56AQI
56AQI
19th April 2025
31AQI
31AQI
20th April 2025
38AQI
38AQI
21st April 2025
20AQI
20AQI
22nd April 2025
39AQI
39AQI
23rd April 2025
32AQI
32AQI
24th April 2025
32AQI
32AQI
25th April 2025
30AQI
30AQI
26th April 2025
20AQI
20AQI
27th April 2025
24AQI
24AQI
28th April 2025
35AQI
35AQI
29th April 2025
26AQI
26AQI
30th April 2025
27AQI
27AQI
1st May 2025
37AQI
37AQI
2nd May 2025
26AQI
26AQI
3rd May 2025
21AQI
21AQI
4th May 2025
27AQI
27AQI
5th May 2025
21AQI
21AQI
6th May 2025
28AQI
28AQI
7th May 2025
32AQI
32AQI
8th May 2025
21AQI
21AQI
9th May 2025
23AQI
23AQI
10th May 2025
41AQI
41AQI
11th May 2025
27AQI
27AQI
12th May 2025
37AQI
37AQI
13th May 2025
26AQI
26AQI
14th May 2025
35AQI
35AQI
15th May 2025
48AQI
48AQI
16th May 2025
36AQI
36AQI
17th May 2025
32AQI
32AQI
18th May 2025
26AQI
26AQI
19th May 2025
26AQI
26AQI
20th May 2025
22AQI
22AQI
21st May 2025
19AQI
19AQI
22nd May 2025
17AQI
17AQI
23rd May 2025
21AQI
21AQI
24th May 2025
22AQI
22AQI
25th May 2025
26AQI
26AQI
26th May 2025
26AQI
26AQI
27th May 2025
20AQI
20AQI
28th May 2025
24AQI
24AQI
29th May 2025
30AQI
30AQI
30th May 2025
39AQI
39AQI
31st May 2025
46AQI
46AQI
1st June 2025
43AQI
43AQI
2nd June 2025
54AQI
54AQI
3rd June 2025
52AQI
52AQI
4th June 2025
65AQI
65AQI
5th June 2025
69AQI
69AQI
6th June 2025
70AQI
70AQI
7th June 2025
77AQI
77AQI
8th June 2025
77AQI
77AQI
9th June 2025
72AQI
72AQI
10th June 2025
67AQI
67AQI
11th June 2025
72AQI
72AQI
12th June 2025
71AQI
71AQI
13th June 2025
66AQI
66AQI
14th June 2025
68AQI
68AQI
15th June 2025
61AQI
61AQI
16th June 2025
51AQI
51AQI
17th June 2025
35AQI
35AQI
18th June 2025
23AQI
23AQI
19th June 2025
26AQI
26AQI
20th June 2025
32AQI
32AQI
21st June 2025
43AQI
43AQI
22nd June 2025
46AQI
46AQI
23rd June 2025
53AQI
53AQI
24th June 2025
27AQI
27AQI
25th June 2025
24AQI
24AQI
26th June 2025
37AQI
37AQI
27th June 2025
20AQI
20AQI
28th June 2025
23AQI
23AQI
29th June 2025
29AQI
29AQI
30th June 2025
26AQI
26AQI
1st July 2025
36AQI
36AQI
2nd July 2025
50AQI
50AQI
3rd July 2025
50AQI
50AQI
4th July 2025
47AQI
47AQI
5th July 2025
57AQI
57AQI
6th July 2025
37AQI
37AQI
7th July 2025
46AQI
46AQI
8th July 2025
52AQI
52AQI
9th July 2025
34AQI
34AQI
10th July 2025
39AQI
39AQI
11th July 2025
28AQI
28AQI
12th July 2025
35AQI
35AQI
13th July 2025
49AQI
49AQI
14th July 2025
60AQI
60AQI
15th July 2025
63AQI
63AQI
16th July 2025
42AQI
42AQI
17th July 2025
25AQI
25AQI
18th July 2025
26AQI
26AQI
19th July 2025
27AQI
27AQI
20th July 2025
20AQI
20AQI
21st July 2025
42AQI
42AQI
22nd July 2025
42AQI
42AQI
23rd July 2025
47AQI
47AQI
24th July 2025
32AQI
32AQI
25th July 2025
25AQI
25AQI
26th July 2025
21AQI
21AQI
27th July 2025
23AQI
23AQI
28th July 2025
26AQI
26AQI
29th July 2025
29AQI
29AQI
30th July 2025
26AQI
26AQI
31st July 2025
116AQI
116AQI
1st August 2025
120AQI
120AQI
2nd August 2025
102AQI
102AQI
3rd August 2025
81AQI
81AQI
4th August 2025
77AQI
77AQI
5th August 2025
60AQI
60AQI
6th August 2025
67AQI
67AQI
7th August 2025
53AQI
53AQI
8th August 2025
51AQI
51AQI
9th August 2025
50AQI
50AQI
10th August 2025
45AQI
45AQI
28AQI
31AQI
32AQI
34AQI
28AQI
49AQI
40AQI
71AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
30
1
27
1
28
3
27
3
31
14
16
26
4
1
2
6
2
185
34
3
Highest AQI recorded in
August71AQI
Lowest AQI recorded in
January28AQI
202431AQI
28
3
26
3
30
1
29
1
30
1
28
1
28
3
28
3
30
26
5
30
28
3
341
24
Highest AQI recorded in
October39AQI
Lowest AQI recorded in
April23AQI
202344AQI
16
15
23
5
25
6
22
8
26
5
6
20
1
3
21
8
2
19
12
22
8
29
2
23
6
24
7
256
102
3
3
Highest AQI recorded in
June75AQI
Lowest AQI recorded in
October34AQI
202236AQI
24
6
17
5
27
4
18
27
3
22
2
23
2
29
21
10
19
11
23
8
252
49
Highest AQI recorded in
October44AQI
Lowest AQI recorded in
April30AQI
202140AQI
16
14
16
12
21
10
20
10
31
30
16
15
22
8
1
25
5
25
3
25
5
25
6
272
88
1
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
May28AQI
202038AQI
11
2
14
6
18
28
2
30
1
24
5
27
3
27
3
20
10
16
15
215
47
Highest AQI recorded in
December51AQI
Lowest AQI recorded in
May28AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
44AQILeast Polluted Year Recorded
2024(Avg.)
31AQIIowa City's annual 2025 AQI (36) shows an average percentage change of -2.5% (improved AQI) compared to previous years: 2020 (38), 2021 (40), 2022 (36), 2023 (44), 2024 (31).
