Greendale, Wisconsin, 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
Greendale, Wisconsin, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2025
127AQILowest AQI recorded on
20th Aug 2025
17AQISame Day Analysis (8th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 35 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 7th Aug - 8th Aug 2026
Greendale, Wisconsin, United States
AQI
Day
Night
.
5 AM7th Aug 2026
8 PM
4 AM8th Aug 2026
Day time
Avg. Highest Time
5AM7th Aug
43AQI
Avg. Lowest Time
7PM7th Aug
24AQI
Night time
Avg. Highest Time
10PM7th Aug
40AQI
Avg. Lowest Time
12AM8th Aug
24AQI
In the last 24 hours,
Greendale's AQI reached its highest point of 43 at 5 AM during the Day, while the lowest point, 24, was recorded at 12 AM during the Night between 7th Aug and 8th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Greendale, Wisconsin, 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
Day
Night
10th Jul 2026305 AMAQI
10th Jul 2026306 AMAQI
10th Jul 2026107 AMAQI
10th Jul 2026288 AMAQI
10th Jul 2026189 AMAQI
10th Jul 20261010 AMAQI
10th Jul 20261011 AMAQI
10th Jul 20261812 PMAQI
10th Jul 202681 PMAQI
10th Jul 2026212 PMAQI
10th Jul 202683 PMAQI
10th Jul 2026104 PMAQI
10th Jul 2026285 PMAQI
10th Jul 2026226 PMAQI
10th Jul 2026227 PMAQI
10th Jul 2026208 PMAQI
10th Jul 2026109 PMAQI
10th Jul 20261410 PMAQI
10th Jul 20261411 PMAQI
11th Jul 20261412 AMAQI
11th Jul 2026161 AMAQI
11th Jul 2026322 AMAQI
11th Jul 2026583 AMAQI
11th Jul 2026404 AMAQI
24°C18/31°C
11th Jul 2026425 AMAQI
11th Jul 2026186 AMAQI
11th Jul 2026187 AMAQI
11th Jul 2026188 AMAQI
11th Jul 2026179 AMAQI
11th Jul 20261610 AMAQI
11th Jul 20263011 AMAQI
11th Jul 20263412 PMAQI
11th Jul 2026381 PMAQI
11th Jul 2026182 PMAQI
11th Jul 202683 PMAQI
11th Jul 2026254 PMAQI
11th Jul 2026155 PMAQI
11th Jul 2026106 PMAQI
11th Jul 2026107 PMAQI
11th Jul 2026308 PMAQI
11th Jul 2026309 PMAQI
11th Jul 20263210 PMAQI
11th Jul 20263311 PMAQI
12th Jul 20262212 AMAQI
12th Jul 2026191 AMAQI
12th Jul 2026162 AMAQI
12th Jul 2026383 AMAQI
12th Jul 2026174 AMAQI
23°C16/31°C
12th Jul 2026165 AMAQI
12th Jul 2026166 AMAQI
12th Jul 2026367 AMAQI
12th Jul 2026168 AMAQI
12th Jul 2026389 AMAQI
12th Jul 20264010 AMAQI
12th Jul 20263611 AMAQI
12th Jul 20263612 PMAQI
12th Jul 2026151 PMAQI
12th Jul 2026142 PMAQI
12th Jul 2026143 PMAQI
12th Jul 2026384 PMAQI
12th Jul 2026385 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026127 PMAQI
12th Jul 2026148 PMAQI
12th Jul 2026149 PMAQI
12th Jul 20261410 PMAQI
12th Jul 20261411 PMAQI
13th Jul 20261612 AMAQI
13th Jul 2026171 AMAQI
13th Jul 2026162 AMAQI
13th Jul 2026163 AMAQI
13th Jul 2026164 AMAQI
25°C17/33°C
13th Jul 2026175 AMAQI
13th Jul 2026176 AMAQI
13th Jul 2026187 AMAQI
13th Jul 2026198 AMAQI
13th Jul 2026209 AMAQI
13th Jul 20264210 AMAQI
13th Jul 20264411 AMAQI
13th Jul 20264012 PMAQI
13th Jul 2026261 PMAQI
13th Jul 2026322 PMAQI
13th Jul 2026243 PMAQI
13th Jul 2026204 PMAQI
13th Jul 2026205 PMAQI
13th Jul 2026206 PMAQI
13th Jul 2026387 PMAQI
13th Jul 2026368 PMAQI
13th Jul 2026369 PMAQI
13th Jul 20263410 PMAQI
13th Jul 20261811 PMAQI
14th Jul 20261812 AMAQI
14th Jul 2026541 AMAQI
14th Jul 2026582 AMAQI
14th Jul 2026483 AMAQI
14th Jul 2026444 AMAQI
28°C19/38°C
14th Jul 2026225 AMAQI
14th Jul 2026206 AMAQI
14th Jul 2026207 AMAQI
14th Jul 2026208 AMAQI
14th Jul 2026229 AMAQI
14th Jul 20262410 AMAQI
14th Jul 20262711 AMAQI
14th Jul 20262312 PMAQI
14th Jul 2026221 PMAQI
14th Jul 2026322 PMAQI
14th Jul 2026243 PMAQI
14th Jul 2026234 PMAQI
14th Jul 2026255 PMAQI
14th Jul 2026326 PMAQI
14th Jul 2026367 PMAQI
14th Jul 2026238 PMAQI
14th Jul 2026209 PMAQI
14th Jul 20262010 PMAQI
14th Jul 20262011 PMAQI
15th Jul 20261812 AMAQI
15th Jul 2026361 AMAQI
15th Jul 2026902 AMAQI
15th Jul 2026403 AMAQI
15th Jul 2026184 AMAQI
31°C21/41°C
15th Jul 2026185 AMAQI
15th Jul 2026206 AMAQI
15th Jul 2026807 AMAQI
15th Jul 2026228 AMAQI
15th Jul 2026499 AMAQI
15th Jul 20264010 AMAQI
15th Jul 20264011 AMAQI
15th Jul 20264112 PMAQI
15th Jul 2026431 PMAQI
15th Jul 2026512 PMAQI
15th Jul 2026503 PMAQI
15th Jul 2026424 PMAQI
15th Jul 2026335 PMAQI
15th Jul 2026406 PMAQI
15th Jul 2026387 PMAQI
15th Jul 2026388 PMAQI
15th Jul 2026709 PMAQI
15th Jul 20268510 PMAQI
15th Jul 20269411 PMAQI
16th Jul 202610812 AMAQI
16th Jul 20261001 AMAQI
16th Jul 20261062 AMAQI
16th Jul 20261073 AMAQI
16th Jul 20261114 AMAQI
29°C22/38°C
16th Jul 20261205 AMAQI
16th Jul 20262116 AMAQI
16th Jul 20262227 AMAQI
16th Jul 20262128 AMAQI
16th Jul 20261129 AMAQI
16th Jul 20263010 AMAQI
16th Jul 20263211 AMAQI
16th Jul 202626212 PMAQI
16th Jul 2026301 PMAQI
16th Jul 20261362 PMAQI
16th Jul 20261913 PMAQI
16th Jul 20261404 PMAQI
16th Jul 20262005 PMAQI
16th Jul 20261106 PMAQI
16th Jul 20261527 PMAQI
16th Jul 20261188 PMAQI
16th Jul 20261299 PMAQI
16th Jul 202615410 PMAQI
16th Jul 202615411 PMAQI
17th Jul 202614512 AMAQI
17th Jul 20261081 AMAQI
17th Jul 20261842 AMAQI
17th Jul 20261883 AMAQI
17th Jul 20262964 AMAQI
27°C21/34°C
17th Jul 20263085 AMAQI
17th Jul 20263116 AMAQI
17th Jul 20263167 AMAQI
17th Jul 20263208 AMAQI
17th Jul 20263309 AMAQI
17th Jul 202632310 AMAQI
17th Jul 202630311 AMAQI
17th Jul 202626212 PMAQI
17th Jul 20262001 PMAQI
17th Jul 20261662 PMAQI
17th Jul 20261513 PMAQI
17th Jul 20261124 PMAQI
17th Jul 2026985 PMAQI
17th Jul 2026846 PMAQI
17th Jul 2026927 PMAQI
17th Jul 2026808 PMAQI
17th Jul 2026749 PMAQI
17th Jul 20266610 PMAQI
17th Jul 20266011 PMAQI
18th Jul 20265812 AMAQI
18th Jul 2026501 AMAQI
18th Jul 2026442 AMAQI
18th Jul 2026413 AMAQI
18th Jul 2026414 AMAQI
29°C21/38°C
18th Jul 2026435 AMAQI
18th Jul 2026436 AMAQI
18th Jul 2026577 AMAQI
18th Jul 2026438 AMAQI
18th Jul 2026539 AMAQI
18th Jul 20264510 AMAQI
18th Jul 20265311 AMAQI
18th Jul 20264312 PMAQI
18th Jul 2026531 PMAQI
18th Jul 2026502 PMAQI
18th Jul 2026623 PMAQI
18th Jul 2026714 PMAQI
18th Jul 20261025 PMAQI
18th Jul 20261196 PMAQI
18th Jul 20261457 PMAQI
18th Jul 20261538 PMAQI
18th Jul 20261629 PMAQI
18th Jul 202616610 PMAQI
18th Jul 202617011 PMAQI
19th Jul 202618512 AMAQI
19th Jul 20261981 AMAQI
19th Jul 20261902 AMAQI
19th Jul 20261803 AMAQI
19th Jul 20261704 AMAQI
27°C21/32°C
19th Jul 20261655 AMAQI
19th Jul 20261596 AMAQI
19th Jul 20261577 AMAQI
19th Jul 20261568 AMAQI
19th Jul 20261539 AMAQI
19th Jul 202615410 AMAQI
19th Jul 202615511 AMAQI
19th Jul 202615212 PMAQI
19th Jul 20261481 PMAQI
19th Jul 20261522 PMAQI
19th Jul 20261513 PMAQI
19th Jul 20261524 PMAQI
19th Jul 20261485 PMAQI
19th Jul 20261466 PMAQI
19th Jul 20261497 PMAQI
19th Jul 20261408 PMAQI
19th Jul 20261319 PMAQI
19th Jul 202613210 PMAQI
19th Jul 202614011 PMAQI
20th Jul 202614712 AMAQI
20th Jul 20261461 AMAQI
20th Jul 20261442 AMAQI
20th Jul 20261483 AMAQI
20th Jul 20261434 AMAQI
23°C16/29°C
20th Jul 20261425 AMAQI
20th Jul 20261496 AMAQI
20th Jul 20261437 AMAQI
20th Jul 20261428 AMAQI
20th Jul 20261399 AMAQI
20th Jul 202614010 AMAQI
20th Jul 202614011 AMAQI
20th Jul 202611812 PMAQI
20th Jul 20261201 PMAQI
20th Jul 20261182 PMAQI
20th Jul 20261253 PMAQI
20th Jul 20261244 PMAQI
20th Jul 20261185 PMAQI
20th Jul 20261106 PMAQI
20th Jul 20261047 PMAQI
20th Jul 20261068 PMAQI
20th Jul 2026969 PMAQI
20th Jul 20268411 PMAQI
21st Jul 20266712 AMAQI
21st Jul 2026671 AMAQI
21st Jul 2026612 AMAQI
21st Jul 2026483 AMAQI
21st Jul 2026514 AMAQI
23°C15/31°C
21st Jul 2026475 AMAQI
21st Jul 2026276 AMAQI
21st Jul 2026277 AMAQI
21st Jul 2026448 AMAQI
21st Jul 2026429 AMAQI
21st Jul 20264410 AMAQI
21st Jul 20265011 AMAQI
21st Jul 20264812 PMAQI
21st Jul 2026451 PMAQI
21st Jul 2026492 PMAQI
21st Jul 2026503 PMAQI
21st Jul 2026344 PMAQI
21st Jul 2026325 PMAQI
21st Jul 2026376 PMAQI
21st Jul 2026487 PMAQI
21st Jul 2026388 PMAQI
21st Jul 2026219 PMAQI
21st Jul 20263810 PMAQI
21st Jul 20263811 PMAQI
22nd Jul 20263512 AMAQI
22nd Jul 2026381 AMAQI
22nd Jul 2026272 AMAQI
22nd Jul 2026253 AMAQI
22nd Jul 2026244 AMAQI
25°C19/31°C
22nd Jul 2026235 AMAQI
22nd Jul 2026266 AMAQI
22nd Jul 2026167 AMAQI
22nd Jul 2026208 AMAQI
22nd Jul 2026169 AMAQI
22nd Jul 20261910 AMAQI
22nd Jul 20261211 AMAQI
22nd Jul 20261612 PMAQI
22nd Jul 2026121 PMAQI
22nd Jul 2026122 PMAQI
22nd Jul 2026123 PMAQI
22nd Jul 2026234 PMAQI
22nd Jul 2026255 PMAQI
22nd Jul 2026256 PMAQI
22nd Jul 2026257 PMAQI
22nd Jul 2026388 PMAQI
22nd Jul 2026289 PMAQI
22nd Jul 20262410 PMAQI
22nd Jul 20263311 PMAQI
23rd Jul 20264212 AMAQI
23rd Jul 2026531 AMAQI
23rd Jul 2026422 AMAQI
23rd Jul 2026303 AMAQI
23rd Jul 2026284 AMAQI
19°C12/24°C
23rd Jul 2026345 AMAQI
23rd Jul 2026416 AMAQI
23rd Jul 2026287 AMAQI
23rd Jul 2026308 AMAQI
23rd Jul 2026309 AMAQI
23rd Jul 20262910 AMAQI
23rd Jul 20264411 AMAQI
23rd Jul 20264612 PMAQI
23rd Jul 2026541 PMAQI
23rd Jul 2026252 PMAQI
23rd Jul 2026403 PMAQI
23rd Jul 2026384 PMAQI
23rd Jul 2026305 PMAQI
23rd Jul 2026326 PMAQI
23rd Jul 2026397 PMAQI
23rd Jul 2026278 PMAQI
23rd Jul 2026239 PMAQI
23rd Jul 20264210 PMAQI
23rd Jul 20262611 PMAQI
24th Jul 20264412 AMAQI
24th Jul 2026401 AMAQI
24th Jul 2026342 AMAQI
24th Jul 2026243 AMAQI
24th Jul 2026274 AMAQI
20°C12/29°C
24th Jul 2026215 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026247 AMAQI
24th Jul 2026398 AMAQI
24th Jul 2026389 AMAQI
24th Jul 20264110 AMAQI
24th Jul 20262811 AMAQI
24th Jul 20262312 PMAQI
24th Jul 2026271 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026243 PMAQI
24th Jul 2026224 PMAQI
24th Jul 2026265 PMAQI
24th Jul 2026326 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026228 PMAQI
24th Jul 2026239 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20262911 PMAQI
25th Jul 20262912 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026292 AMAQI
25th Jul 2026253 AMAQI
25th Jul 2026344 AMAQI
22°C14/28°C
25th Jul 2026245 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026347 AMAQI
25th Jul 2026328 AMAQI
25th Jul 2026399 AMAQI
25th Jul 20263910 AMAQI
25th Jul 20262711 AMAQI
25th Jul 20262112 PMAQI
25th Jul 2026241 PMAQI
25th Jul 2026232 PMAQI
25th Jul 2026273 PMAQI
25th Jul 2026234 PMAQI
25th Jul 2026345 PMAQI
25th Jul 2026356 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026268 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20262410 PMAQI
25th Jul 20263211 PMAQI
26th Jul 20262312 AMAQI
26th Jul 2026241 AMAQI
26th Jul 2026362 AMAQI
26th Jul 2026383 AMAQI
26th Jul 2026344 AMAQI
22°C15/29°C
26th Jul 2026375 AMAQI
26th Jul 2026516 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026238 AMAQI
26th Jul 2026399 AMAQI
26th Jul 20263410 AMAQI
26th Jul 20263911 AMAQI
26th Jul 20264812 PMAQI
26th Jul 2026521 PMAQI
26th Jul 2026562 PMAQI
26th Jul 2026583 PMAQI
26th Jul 2026504 PMAQI
26th Jul 2026515 PMAQI
26th Jul 2026526 PMAQI
26th Jul 2026527 PMAQI
26th Jul 2026448 PMAQI
26th Jul 2026459 PMAQI
26th Jul 20264510 PMAQI
26th Jul 20264811 PMAQI
27th Jul 20266012 AMAQI
27th Jul 2026581 AMAQI
27th Jul 2026592 AMAQI
27th Jul 2026583 AMAQI
27th Jul 2026564 AMAQI
28°C22/37°C
27th Jul 2026565 AMAQI
27th Jul 2026546 AMAQI
27th Jul 2026497 AMAQI
27th Jul 2026518 AMAQI
27th Jul 2026529 AMAQI
27th Jul 20265210 AMAQI
27th Jul 20265011 AMAQI
27th Jul 20264812 PMAQI
27th Jul 2026531 PMAQI
27th Jul 2026482 PMAQI
27th Jul 2026323 PMAQI
27th Jul 2026244 PMAQI
27th Jul 2026375 PMAQI
27th Jul 2026326 PMAQI
27th Jul 2026357 PMAQI
27th Jul 2026328 PMAQI
27th Jul 2026329 PMAQI
27th Jul 20262610 PMAQI
27th Jul 20263011 PMAQI
28th Jul 20263612 AMAQI
28th Jul 2026381 AMAQI
28th Jul 2026332 AMAQI
28th Jul 2026363 AMAQI
28th Jul 2026454 AMAQI
25°C23/35°C
28th Jul 2026525 AMAQI
28th Jul 2026526 AMAQI
28th Jul 2026507 AMAQI
28th Jul 2026548 AMAQI
28th Jul 2026529 AMAQI
28th Jul 20265010 AMAQI
28th Jul 20264811 AMAQI
28th Jul 20264812 PMAQI
28th Jul 2026441 PMAQI
28th Jul 2026432 PMAQI
28th Jul 2026393 PMAQI
28th Jul 2026374 PMAQI
28th Jul 2026365 PMAQI
28th Jul 2026306 PMAQI
28th Jul 2026347 PMAQI
28th Jul 2026398 PMAQI
28th Jul 2026309 PMAQI
28th Jul 20262810 PMAQI
28th Jul 20262611 PMAQI
29th Jul 20263512 AMAQI
29th Jul 2026321 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026303 AMAQI
29th Jul 2026214 AMAQI
22°C18/28°C
29th Jul 2026335 AMAQI
29th Jul 2026286 AMAQI
29th Jul 2026327 AMAQI
29th Jul 2026248 AMAQI
29th Jul 2026269 AMAQI
29th Jul 20263110 AMAQI
29th Jul 20264011 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026311 PMAQI
29th Jul 2026382 PMAQI
29th Jul 2026313 PMAQI
29th Jul 2026334 PMAQI
29th Jul 2026345 PMAQI
29th Jul 2026376 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026268 PMAQI
29th Jul 2026469 PMAQI
29th Jul 20263210 PMAQI
29th Jul 20264211 PMAQI
30th Jul 20265612 AMAQI
30th Jul 2026421 AMAQI
30th Jul 2026312 AMAQI
30th Jul 2026683 AMAQI
30th Jul 2026624 AMAQI
22°C15/29°C
30th Jul 2026505 AMAQI
30th Jul 2026366 AMAQI
30th Jul 2026397 AMAQI
30th Jul 2026248 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20262310 AMAQI
30th Jul 20263011 AMAQI
30th Jul 20263912 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026322 PMAQI
30th Jul 2026263 PMAQI
30th Jul 2026274 PMAQI
30th Jul 2026235 PMAQI
30th Jul 2026236 PMAQI
30th Jul 2026227 PMAQI
30th Jul 2026278 PMAQI
30th Jul 2026369 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20263811 PMAQI
31st Jul 20262612 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026242 AMAQI
31st Jul 2026233 AMAQI
31st Jul 2026234 AMAQI
25°C16/35°C
31st Jul 2026435 AMAQI
31st Jul 2026326 AMAQI
31st Jul 2026347 AMAQI
31st Jul 2026348 AMAQI
31st Jul 2026359 AMAQI
31st Jul 20263410 AMAQI
31st Jul 20262211 AMAQI
31st Jul 20262512 PMAQI
31st Jul 2026231 PMAQI
31st Jul 2026242 PMAQI
31st Jul 2026393 PMAQI
31st Jul 2026384 PMAQI
31st Jul 2026415 PMAQI
31st Jul 2026436 PMAQI
31st Jul 2026417 PMAQI
31st Jul 2026298 PMAQI
31st Jul 2026239 PMAQI
31st Jul 20263410 PMAQI
31st Jul 20262111 PMAQI
1st Aug 20262112 AMAQI
1st Aug 2026291 AMAQI
1st Aug 2026232 AMAQI
1st Aug 2026233 AMAQI
1st Aug 2026324 AMAQI
23°C19/31°C
1st Aug 2026385 AMAQI
1st Aug 2026326 AMAQI
1st Aug 2026327 AMAQI
1st Aug 2026368 AMAQI
1st Aug 2026369 AMAQI
1st Aug 20263910 AMAQI
1st Aug 20263711 AMAQI
1st Aug 20263612 PMAQI
1st Aug 2026361 PMAQI
1st Aug 2026362 PMAQI
1st Aug 2026363 PMAQI
1st Aug 2026334 PMAQI
1st Aug 2026355 PMAQI
1st Aug 2026266 PMAQI
1st Aug 2026327 PMAQI
1st Aug 2026408 PMAQI
1st Aug 2026359 PMAQI
1st Aug 20264210 PMAQI
1st Aug 20263911 PMAQI
2nd Aug 20263812 AMAQI
2nd Aug 2026381 AMAQI
2nd Aug 2026412 AMAQI
2nd Aug 2026393 AMAQI
2nd Aug 2026434 AMAQI
20°C19/22°C
2nd Aug 2026415 AMAQI
2nd Aug 2026416 AMAQI
2nd Aug 2026407 AMAQI
2nd Aug 2026428 AMAQI
2nd Aug 2026439 AMAQI
2nd Aug 20264410 AMAQI
2nd Aug 20264311 AMAQI
2nd Aug 20264212 PMAQI
2nd Aug 2026431 PMAQI
2nd Aug 2026442 PMAQI
2nd Aug 2026413 PMAQI
2nd Aug 2026414 PMAQI
2nd Aug 2026435 PMAQI
2nd Aug 2026426 PMAQI
2nd Aug 2026407 PMAQI
2nd Aug 2026468 PMAQI
2nd Aug 2026359 PMAQI
2nd Aug 20263210 PMAQI
2nd Aug 20262411 PMAQI
3rd Aug 20262812 AMAQI
3rd Aug 2026391 AMAQI
3rd Aug 2026302 AMAQI
3rd Aug 2026233 AMAQI
3rd Aug 2026334 AMAQI
20°C18/26°C
3rd Aug 2026335 AMAQI
3rd Aug 2026336 AMAQI
3rd Aug 2026337 AMAQI
3rd Aug 2026368 AMAQI
3rd Aug 2026349 AMAQI
3rd Aug 20263810 AMAQI
3rd Aug 20263411 AMAQI
3rd Aug 20264212 PMAQI
3rd Aug 2026231 PMAQI
3rd Aug 2026382 PMAQI
3rd Aug 2026363 PMAQI
3rd Aug 2026344 PMAQI
3rd Aug 2026355 PMAQI
3rd Aug 2026226 PMAQI
3rd Aug 2026427 PMAQI
3rd Aug 2026268 PMAQI
3rd Aug 2026349 PMAQI
3rd Aug 20263510 PMAQI
3rd Aug 20263111 PMAQI
4th Aug 20263212 AMAQI
4th Aug 2026231 AMAQI
4th Aug 2026262 AMAQI
4th Aug 2026253 AMAQI
4th Aug 2026324 AMAQI
21°C15/28°C
4th Aug 2026355 AMAQI
4th Aug 2026336 AMAQI
4th Aug 2026347 AMAQI
4th Aug 2026378 AMAQI
4th Aug 2026399 AMAQI
4th Aug 20264510 AMAQI
4th Aug 20264511 AMAQI
4th Aug 20262512 PMAQI
4th Aug 2026371 PMAQI
4th Aug 2026452 PMAQI
4th Aug 2026393 PMAQI
4th Aug 2026424 PMAQI
4th Aug 2026385 PMAQI
4th Aug 2026406 PMAQI
4th Aug 2026417 PMAQI
4th Aug 2026448 PMAQI
4th Aug 2026449 PMAQI
4th Aug 20264410 PMAQI
4th Aug 20264411 PMAQI
5th Aug 20264412 AMAQI
5th Aug 2026481 AMAQI
5th Aug 2026492 AMAQI
5th Aug 2026473 AMAQI
5th Aug 2026504 AMAQI
24°C17/32°C
5th Aug 2026495 AMAQI
5th Aug 2026486 AMAQI
5th Aug 2026517 AMAQI
5th Aug 2026548 AMAQI
5th Aug 2026549 AMAQI
5th Aug 20266010 AMAQI
5th Aug 20266211 AMAQI
5th Aug 20266512 PMAQI
5th Aug 2026641 PMAQI
5th Aug 2026662 PMAQI
5th Aug 2026673 PMAQI
5th Aug 2026654 PMAQI
5th Aug 2026625 PMAQI
5th Aug 2026666 PMAQI
5th Aug 2026687 PMAQI
5th Aug 2026658 PMAQI
5th Aug 2026649 PMAQI
5th Aug 20266410 PMAQI
5th Aug 20265711 PMAQI
6th Aug 20266012 AMAQI
6th Aug 2026541 AMAQI
6th Aug 2026562 AMAQI
6th Aug 2026563 AMAQI
6th Aug 2026564 AMAQI
23°C20/28°C
6th Aug 2026575 AMAQI
6th Aug 2026586 AMAQI
6th Aug 2026567 AMAQI
6th Aug 2026588 AMAQI
6th Aug 2026569 AMAQI
6th Aug 20265610 AMAQI
6th Aug 20265511 AMAQI
6th Aug 20265612 PMAQI
6th Aug 2026561 PMAQI
6th Aug 2026542 PMAQI
6th Aug 2026533 PMAQI
6th Aug 2026544 PMAQI
6th Aug 2026545 PMAQI
6th Aug 2026556 PMAQI
6th Aug 2026547 PMAQI
6th Aug 2026558 PMAQI
6th Aug 2026559 PMAQI
6th Aug 20265410 PMAQI
6th Aug 20265511 PMAQI
7th Aug 20265412 AMAQI
7th Aug 2026541 AMAQI
7th Aug 2026502 AMAQI
7th Aug 2026523 AMAQI
7th Aug 2026494 AMAQI
22°C17/28°C
7th Aug 2026435 AMAQI
7th Aug 2026406 AMAQI
7th Aug 2026387 AMAQI
7th Aug 2026388 AMAQI
7th Aug 2026279 AMAQI
7th Aug 20263210 AMAQI
7th Aug 20263611 AMAQI
7th Aug 20263612 PMAQI
7th Aug 2026321 PMAQI
7th Aug 2026352 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026247 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026399 PMAQI
7th Aug 20264010 PMAQI
7th Aug 20262511 PMAQI
8th Aug 20262412 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026252 AMAQI
8th Aug 2026363 AMAQI
8th Aug 2026384 AMAQI
25°C20/34°C
8th Aug 2026365 AMAQI
5 AM8th Aug 2026386 AMAQI
8th Aug 2026417 AMAQI
8th Aug 2026428 AMAQI
8th Aug 2026429 AMAQI
8th Aug 20263710 AMAQI
8th Aug 20263511 AMAQI
8th Aug 20264012 PMAQI
12 PM8th Aug 2026281 PMAQI
8th Aug 2026442 PMAQI
8th Aug 2026323 PMAQI
8th Aug 2026424 PMAQI
8th Aug 2026415 PMAQI
8th Aug 2026406 PMAQI
8th Aug 2026307 PMAQI
8th Aug 2026258 PMAQI
8 PM8th Aug 2026379 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20263011 PMAQI
12 AM
4 AM
24°C19/31°C
Day time
Avg. Highest Time
7 AM
59AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
1 PM
47AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 7 AM (Avg. 59), while the lowest AQI was between 1 PM to 1 PM (Avg. 47).
Night time
Avg. Highest Time
4 AM
56AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
9 PM - 11 PM
48AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 56), while the lowest AQI was between 9 PM to 11 PM (Avg. 48).
2026 Days Vs Air Quality
Greendale, Wisconsin, United States
2026
92%
200
6%
13
0.9%
2
0.9%
2
Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)
Good
200 DaysModerate
13 DaysPoor
2 DaysUnhealthy
2 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 220 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
Greendale, Wisconsin, 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
28AQI (US)
28AQI (US)
2nd January 2026
48AQI (US)
48AQI (US)
3rd January 2026
40AQI (US)
40AQI (US)
4th January 2026
32AQI (US)
32AQI (US)
5th January 2026
45AQI (US)
45AQI (US)
6th January 2026
68AQI (US)
68AQI (US)
7th January 2026
54AQI (US)
54AQI (US)
8th January 2026
50AQI (US)
50AQI (US)
9th January 2026
20AQI (US)
20AQI (US)
10th January 2026
22AQI (US)
22AQI (US)
11th January 2026
28AQI (US)
28AQI (US)
12th January 2026
24AQI (US)
24AQI (US)
13th January 2026
21AQI (US)
21AQI (US)
14th January 2026
18AQI (US)
18AQI (US)
15th January 2026
26AQI (US)
26AQI (US)
16th January 2026
24AQI (US)
24AQI (US)
17th January 2026
16AQI (US)
16AQI (US)
18th January 2026
34AQI (US)
34AQI (US)
19th January 2026
18AQI (US)
18AQI (US)
20th January 2026
38AQI (US)
38AQI (US)
21st January 2026
46AQI (US)
46AQI (US)
22nd January 2026
58AQI (US)
58AQI (US)
23rd January 2026
59AQI (US)
59AQI (US)
24th January 2026
44AQI (US)
44AQI (US)
25th January 2026
42AQI (US)
42AQI (US)
26th January 2026
61AQI (US)
61AQI (US)
27th January 2026
58AQI (US)
58AQI (US)
28th January 2026
50AQI (US)
50AQI (US)
29th January 2026
48AQI (US)
48AQI (US)
30th January 2026
58AQI (US)
58AQI (US)
31st January 2026
47AQI (US)
47AQI (US)
1st February 2026
50AQI (US)
50AQI (US)
2nd February 2026
50AQI (US)
50AQI (US)
3rd February 2026
58AQI (US)
58AQI (US)
4th February 2026
44AQI (US)
44AQI (US)
5th February 2026
52AQI (US)
52AQI (US)
6th February 2026
43AQI (US)
43AQI (US)
7th February 2026
33AQI (US)
33AQI (US)
8th February 2026
42AQI (US)
42AQI (US)
9th February 2026
50AQI (US)
50AQI (US)
10th February 2026
42AQI (US)
42AQI (US)
11th February 2026
32AQI (US)
32AQI (US)
12th February 2026
30AQI (US)
30AQI (US)
13th February 2026
39AQI (US)
39AQI (US)
14th February 2026
43AQI (US)
43AQI (US)
15th February 2026
48AQI (US)
48AQI (US)
16th February 2026
44AQI (US)
44AQI (US)
17th February 2026
42AQI (US)
42AQI (US)
18th February 2026
40AQI (US)
40AQI (US)
19th February 2026
34AQI (US)
34AQI (US)
20th February 2026
34AQI (US)
34AQI (US)
21st February 2026
34AQI (US)
34AQI (US)
22nd February 2026
34AQI (US)
34AQI (US)
23rd February 2026
33AQI (US)
33AQI (US)
24th February 2026
38AQI (US)
38AQI (US)
25th February 2026
38AQI (US)
38AQI (US)
26th February 2026
31AQI (US)
31AQI (US)
27th February 2026
34AQI (US)
34AQI (US)
28th February 2026
26AQI (US)
26AQI (US)
1st March 2026
32AQI (US)
32AQI (US)
2nd March 2026
44AQI (US)
44AQI (US)
3rd March 2026
33AQI (US)
33AQI (US)
4th March 2026
41AQI (US)
41AQI (US)
5th March 2026
37AQI (US)
37AQI (US)
6th March 2026
29AQI (US)
29AQI (US)
7th March 2026
34AQI (US)
34AQI (US)
8th March 2026
34AQI (US)
34AQI (US)
9th March 2026
32AQI (US)
32AQI (US)
10th March 2026
28AQI (US)
28AQI (US)
11th March 2026
42AQI (US)
42AQI (US)
12th March 2026
30AQI (US)
30AQI (US)
13th March 2026
37AQI (US)
37AQI (US)
14th March 2026
36AQI (US)
36AQI (US)
15th March 2026
32AQI (US)
32AQI (US)
16th March 2026
35AQI (US)
35AQI (US)
17th March 2026
32AQI (US)
32AQI (US)
18th March 2026
26AQI (US)
26AQI (US)
19th March 2026
36AQI (US)
36AQI (US)
20th March 2026
41AQI (US)
41AQI (US)
21st March 2026
34AQI (US)
34AQI (US)
22nd March 2026
34AQI (US)
34AQI (US)
23rd March 2026
37AQI (US)
37AQI (US)
24th March 2026
30AQI (US)
30AQI (US)
25th March 2026
30AQI (US)
30AQI (US)
26th March 2026
37AQI (US)
37AQI (US)
27th March 2026
26AQI (US)
26AQI (US)
28th March 2026
26AQI (US)
26AQI (US)
29th March 2026
22AQI (US)
22AQI (US)
30th March 2026
24AQI (US)
24AQI (US)
31st March 2026
25AQI (US)
25AQI (US)
1st April 2026
30AQI (US)
30AQI (US)
2nd April 2026
26AQI (US)
26AQI (US)
3rd April 2026
27AQI (US)
27AQI (US)
4th April 2026
32AQI (US)
32AQI (US)
5th April 2026
31AQI (US)
31AQI (US)
6th April 2026
32AQI (US)
32AQI (US)
7th April 2026
27AQI (US)
27AQI (US)
8th April 2026
28AQI (US)
28AQI (US)
9th April 2026
22AQI (US)
22AQI (US)
10th April 2026
28AQI (US)
28AQI (US)
11th April 2026
26AQI (US)
26AQI (US)
12th April 2026
25AQI (US)
25AQI (US)
13th April 2026
24AQI (US)
24AQI (US)
14th April 2026
26AQI (US)
26AQI (US)
15th April 2026
22AQI (US)
22AQI (US)
16th April 2026
26AQI (US)
26AQI (US)
17th April 2026
18th April 2026
28AQI (US)
28AQI (US)
19th April 2026
32AQI (US)
32AQI (US)
20th April 2026
24AQI (US)
24AQI (US)
21st April 2026
22AQI (US)
22AQI (US)
22nd April 2026
23rd April 2026
22AQI (US)
22AQI (US)
24th April 2026
18AQI (US)
18AQI (US)
25th April 2026
24AQI (US)
24AQI (US)
26th April 2026
28AQI (US)
28AQI (US)
27th April 2026
15AQI (US)
15AQI (US)
28th April 2026
26AQI (US)
26AQI (US)
29th April 2026
24AQI (US)
24AQI (US)
30th April 2026
23AQI (US)
23AQI (US)
1st May 2026
24AQI (US)
24AQI (US)
2nd May 2026
22AQI (US)
22AQI (US)
3rd May 2026
22AQI (US)
22AQI (US)
4th May 2026
37AQI (US)
37AQI (US)
5th May 2026
31AQI (US)
31AQI (US)
6th May 2026
18AQI (US)
18AQI (US)
7th May 2026
23AQI (US)
23AQI (US)
8th May 2026
30AQI (US)
30AQI (US)
9th May 2026
10th May 2026
26AQI (US)
26AQI (US)
11th May 2026
26AQI (US)
26AQI (US)
12th May 2026
22AQI (US)
22AQI (US)
13th May 2026
26AQI (US)
26AQI (US)
14th May 2026
14AQI (US)
14AQI (US)
15th May 2026
42AQI (US)
42AQI (US)
16th May 2026
46AQI (US)
46AQI (US)
17th May 2026
50AQI (US)
50AQI (US)
18th May 2026
48AQI (US)
48AQI (US)
19th May 2026
44AQI (US)
44AQI (US)
20th May 2026
49AQI (US)
49AQI (US)
21st May 2026
44AQI (US)
44AQI (US)
22nd May 2026
40AQI (US)
40AQI (US)
23rd May 2026
38AQI (US)
38AQI (US)
24th May 2026
42AQI (US)
42AQI (US)
25th May 2026
40AQI (US)
40AQI (US)
26th May 2026
24AQI (US)
24AQI (US)
27th May 2026
18AQI (US)
18AQI (US)
28th May 2026
13AQI (US)
13AQI (US)
29th May 2026
18AQI (US)
18AQI (US)
30th May 2026
21AQI (US)
21AQI (US)
31st May 2026
17AQI (US)
17AQI (US)
1st June 2026
16AQI (US)
16AQI (US)
2nd June 2026
13AQI (US)
13AQI (US)
3rd June 2026
21AQI (US)
21AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
18AQI (US)
18AQI (US)
6th June 2026
21AQI (US)
21AQI (US)
7th June 2026
24AQI (US)
24AQI (US)
8th June 2026
17AQI (US)
17AQI (US)
9th June 2026
14AQI (US)
14AQI (US)
10th June 2026
19AQI (US)
19AQI (US)
11th June 2026
12AQI (US)
12AQI (US)
12th June 2026
14AQI (US)
14AQI (US)
13th June 2026
20AQI (US)
20AQI (US)
14th June 2026
14AQI (US)
14AQI (US)
15th June 2026
14AQI (US)
14AQI (US)
16th June 2026
12AQI (US)
12AQI (US)
17th June 2026
12AQI (US)
12AQI (US)
18th June 2026
20AQI (US)
20AQI (US)
19th June 2026
16AQI (US)
16AQI (US)
20th June 2026
18AQI (US)
18AQI (US)
21st June 2026
14AQI (US)
14AQI (US)
22nd June 2026
15AQI (US)
15AQI (US)
23rd June 2026
14AQI (US)
14AQI (US)
24th June 2026
12AQI (US)
12AQI (US)
25th June 2026
14AQI (US)
14AQI (US)
26th June 2026
21AQI (US)
21AQI (US)
27th June 2026
22AQI (US)
22AQI (US)
28th June 2026
19AQI (US)
19AQI (US)
29th June 2026
19AQI (US)
19AQI (US)
30th June 2026
41AQI (US)
41AQI (US)
1st July 2026
64AQI (US)
64AQI (US)
2nd July 2026
23AQI (US)
23AQI (US)
3rd July 2026
14AQI (US)
14AQI (US)
4th July 2026
20AQI (US)
20AQI (US)
5th July 2026
42AQI (US)
42AQI (US)
6th July 2026
37AQI (US)
37AQI (US)
7th July 2026
28AQI (US)
28AQI (US)
8th July 2026
21AQI (US)
21AQI (US)
9th July 2026
19AQI (US)
19AQI (US)
10th July 2026
18AQI (US)
18AQI (US)
11th July 2026
25AQI (US)
25AQI (US)
12th July 2026
24AQI (US)
24AQI (US)
13th July 2026
25AQI (US)
25AQI (US)
14th July 2026
28AQI (US)
28AQI (US)
15th July 2026
46AQI (US)
46AQI (US)
16th July 2026
136AQI (US)
136AQI (US)
17th July 2026
191AQI (US)
191AQI (US)
18th July 2026
78AQI (US)
78AQI (US)
19th July 2026
157AQI (US)
157AQI (US)
20th July 2026
128AQI (US)
128AQI (US)
21st July 2026
44AQI (US)
44AQI (US)
22nd July 2026
23AQI (US)
23AQI (US)
23rd July 2026
36AQI (US)
36AQI (US)
24th July 2026
29AQI (US)
29AQI (US)
25th July 2026
28AQI (US)
28AQI (US)
26th July 2026
42AQI (US)
42AQI (US)
27th July 2026
45AQI (US)
45AQI (US)
28th July 2026
40AQI (US)
40AQI (US)
29th July 2026
32AQI (US)
32AQI (US)
30th July 2026
34AQI (US)
34AQI (US)
31st July 2026
31AQI (US)
31AQI (US)
1st August 2026
34AQI (US)
34AQI (US)
2nd August 2026
40AQI (US)
40AQI (US)
3rd August 2026
33AQI (US)
33AQI (US)
4th August 2026
37AQI (US)
37AQI (US)
5th August 2026
58AQI (US)
58AQI (US)
6th August 2026
56AQI (US)
56AQI (US)
7th August 2026
36AQI (US)
36AQI (US)
8th August 2026
35AQI (US)
35AQI (US)
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
40AQI (US)
40AQI (US)
33AQI (US)
26AQI (US)
31AQI (US)
18AQI (US)
49AQI (US)
41AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202634AQI (US)
24
7
26
2
31
28
30
30
25
2
2
2
6
2
200
13
2
2
Highest AQI (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
June18AQI (US)
202536AQI (US)
30
1
27
1
30
1
30
31
19
10
1
19
11
1
18
8
5
24
6
28
3
24
6
21
10
301
57
6
1
Highest AQI (US) recorded in
July52AQI (US)
Lowest AQI (US) recorded in
May23AQI (US)
202432AQI (US)
28
3
23
6
29
2
30
31
29
31
29
2
30
29
2
29
1
29
2
347
18
Highest AQI (US) recorded in
January38AQI (US)
Lowest AQI (US) recorded in
November29AQI (US)
202342AQI (US)
19
12
22
6
25
6
25
5
27
4
6
20
1
2
1
21
9
1
21
10
30
29
2
26
3
28
3
279
80
2
2
1
Highest AQI (US) recorded in
June82AQI (US)
Lowest AQI (US) recorded in
October29AQI (US)
202239AQI (US)
18
12
12
9
25
6
24
1
27
4
28
2
23
1
28
1
26
5
21
9
21
10
254
59
Highest AQI (US) recorded in
January49AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202140AQI (US)
17
12
15
13
26
5
24
6
28
3
29
1
16
15
24
7
30
29
2
26
4
23
8
287
76
Highest AQI (US) recorded in
February52AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
202036AQI (US)
11
2
17
3
18
26
4
27
4
31
27
3
31
23
7
22
9
233
32
Highest AQI (US) recorded in
November41AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
42AQI (US)Least Polluted Year Recorded
2024(Avg.)
32AQI (US)Greendale's annual 2026 AQI (US) (34) shows an average percentage change of -8.6% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (40), 2022 (39), 2023 (42), 2024 (32), 2025 (36).
