Hays, Kansas, 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
Hays, Kansas, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2021
135AQILowest AQI recorded on
14th Aug 2023
25AQISame Day Analysis (9th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 49 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Hays, Kansas, United States
AQI
Day
Night
.
6 AM9th Aug 2025
8 PM
5 AM10th Aug 2025
Day time
Avg. Highest Time
4PM9th Aug
54AQI
Avg. Lowest Time
1PM9th Aug
42AQI
Night time
Avg. Highest Time
9PM9th Aug
54AQI
Avg. Lowest Time
12AM10th Aug
52AQI
In the last 24 hours,
Hays's AQI reached its highest point of 54 at 4 PM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hays, Kansas, United States
JulAug
11th - 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 - 10th10th
Day
Night
11th Jul 2025306 AMAQI
11th Jul 2025327 AMAQI
11th Jul 2025368 AMAQI
11th Jul 2025389 AMAQI
11th Jul 20253710 AMAQI
11th Jul 20253711 AMAQI
11th Jul 20254012 PMAQI
11th Jul 2025381 PMAQI
11th Jul 2025382 PMAQI
11th Jul 2025383 PMAQI
11th Jul 2025374 PMAQI
11th Jul 2025385 PMAQI
11th Jul 2025396 PMAQI
11th Jul 2025377 PMAQI
11th Jul 2025378 PMAQI
11th Jul 2025379 PMAQI
11th Jul 20253610 PMAQI
11th Jul 20253511 PMAQI
12th Jul 20253712 AMAQI
12th Jul 2025341 AMAQI
12th Jul 2025282 AMAQI
12th Jul 2025323 AMAQI
12th Jul 2025304 AMAQI
12th Jul 2025345 AMAQI
28°C20/36°C
12th Jul 2025276 AMAQI
12th Jul 2025287 AMAQI
12th Jul 2025268 AMAQI
12th Jul 2025269 AMAQI
12th Jul 20252510 AMAQI
12th Jul 20252611 AMAQI
12th Jul 20252412 PMAQI
12th Jul 2025281 PMAQI
12th Jul 2025292 PMAQI
12th Jul 2025323 PMAQI
12th Jul 2025324 PMAQI
12th Jul 2025325 PMAQI
12th Jul 2025346 PMAQI
12th Jul 2025317 PMAQI
12th Jul 2025328 PMAQI
12th Jul 2025369 PMAQI
12th Jul 20253210 PMAQI
12th Jul 20253611 PMAQI
13th Jul 20253512 AMAQI
13th Jul 2025361 AMAQI
13th Jul 2025272 AMAQI
13th Jul 2025263 AMAQI
13th Jul 2025244 AMAQI
13th Jul 2025285 AMAQI
22°C18/25°C
13th Jul 2025246 AMAQI
13th Jul 2025277 AMAQI
13th Jul 2025278 AMAQI
13th Jul 2025289 AMAQI
13th Jul 20252810 AMAQI
13th Jul 20252611 AMAQI
13th Jul 20252812 PMAQI
13th Jul 2025281 PMAQI
13th Jul 2025292 PMAQI
13th Jul 2025293 PMAQI
13th Jul 2025304 PMAQI
13th Jul 2025285 PMAQI
13th Jul 2025296 PMAQI
13th Jul 2025297 PMAQI
13th Jul 2025298 PMAQI
13th Jul 2025309 PMAQI
13th Jul 20253110 PMAQI
13th Jul 20253011 PMAQI
14th Jul 20253212 AMAQI
14th Jul 2025301 AMAQI
14th Jul 2025282 AMAQI
14th Jul 2025303 AMAQI
14th Jul 2025304 AMAQI
14th Jul 2025285 AMAQI
24°C15/32°C
14th Jul 2025286 AMAQI
14th Jul 2025307 AMAQI
14th Jul 2025328 AMAQI
14th Jul 2025319 AMAQI
14th Jul 20253110 AMAQI
14th Jul 20253311 AMAQI
14th Jul 20253212 PMAQI
14th Jul 2025321 PMAQI
14th Jul 2025322 PMAQI
14th Jul 2025323 PMAQI
14th Jul 2025324 PMAQI
14th Jul 2025325 PMAQI
14th Jul 2025326 PMAQI
14th Jul 2025337 PMAQI
14th Jul 2025328 PMAQI
14th Jul 2025349 PMAQI
14th Jul 20253410 PMAQI
14th Jul 20253511 PMAQI
15th Jul 20253612 AMAQI
15th Jul 2025361 AMAQI
15th Jul 2025422 AMAQI
15th Jul 2025443 AMAQI
15th Jul 2025444 AMAQI
15th Jul 2025415 AMAQI
27°C18/34°C
15th Jul 2025406 AMAQI
15th Jul 2025417 AMAQI
15th Jul 2025398 AMAQI
15th Jul 2025389 AMAQI
15th Jul 20253910 AMAQI
15th Jul 20254011 AMAQI
15th Jul 20253912 PMAQI
15th Jul 2025401 PMAQI
15th Jul 2025402 PMAQI
15th Jul 2025413 PMAQI
15th Jul 2025404 PMAQI
15th Jul 2025405 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025397 PMAQI
15th Jul 2025428 PMAQI
15th Jul 2025409 PMAQI
15th Jul 20254410 PMAQI
15th Jul 20254111 PMAQI
16th Jul 20254012 AMAQI
16th Jul 2025401 AMAQI
16th Jul 2025362 AMAQI
16th Jul 2025333 AMAQI
16th Jul 2025324 AMAQI
16th Jul 2025295 AMAQI
29°C20/37°C
16th Jul 2025296 AMAQI
16th Jul 2025307 AMAQI
16th Jul 2025318 AMAQI
16th Jul 2025329 AMAQI
16th Jul 20253210 AMAQI
16th Jul 20253311 AMAQI
16th Jul 20253212 PMAQI
16th Jul 2025321 PMAQI
16th Jul 2025342 PMAQI
16th Jul 2025343 PMAQI
16th Jul 2025364 PMAQI
16th Jul 2025345 PMAQI
16th Jul 2025356 PMAQI
16th Jul 2025347 PMAQI
16th Jul 2025368 PMAQI
16th Jul 2025389 PMAQI
16th Jul 20254010 PMAQI
16th Jul 20254311 PMAQI
17th Jul 20254812 AMAQI
17th Jul 2025471 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025513 AMAQI
17th Jul 2025414 AMAQI
17th Jul 2025265 AMAQI
27°C22/33°C
17th Jul 2025286 AMAQI
17th Jul 2025327 AMAQI
17th Jul 2025358 AMAQI
17th Jul 2025399 AMAQI
17th Jul 20253810 AMAQI
17th Jul 20253311 AMAQI
17th Jul 20253412 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025385 PMAQI
17th Jul 2025376 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025378 PMAQI
17th Jul 2025369 PMAQI
17th Jul 20253410 PMAQI
17th Jul 20253411 PMAQI
18th Jul 20253412 AMAQI
18th Jul 2025331 AMAQI
18th Jul 2025282 AMAQI
18th Jul 2025263 AMAQI
18th Jul 2025264 AMAQI
18th Jul 2025255 AMAQI
19°C17/21°C
18th Jul 2025266 AMAQI
18th Jul 2025287 AMAQI
18th Jul 2025278 AMAQI
18th Jul 2025289 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253611 AMAQI
18th Jul 20253712 PMAQI
18th Jul 2025361 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025343 PMAQI
18th Jul 2025344 PMAQI
18th Jul 2025335 PMAQI
18th Jul 2025326 PMAQI
18th Jul 2025317 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025379 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20253911 PMAQI
19th Jul 20253912 AMAQI
19th Jul 2025401 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025523 AMAQI
19th Jul 2025524 AMAQI
19th Jul 2025525 AMAQI
27°C21/36°C
19th Jul 2025506 AMAQI
19th Jul 2025507 AMAQI
19th Jul 2025488 AMAQI
19th Jul 2025499 AMAQI
19th Jul 20255010 AMAQI
19th Jul 20255111 AMAQI
19th Jul 20254912 PMAQI
19th Jul 2025491 PMAQI
19th Jul 2025482 PMAQI
19th Jul 2025493 PMAQI
19th Jul 2025484 PMAQI
19th Jul 2025495 PMAQI
19th Jul 2025476 PMAQI
19th Jul 2025507 PMAQI
19th Jul 2025508 PMAQI
19th Jul 2025469 PMAQI
19th Jul 20255010 PMAQI
19th Jul 20254911 PMAQI
20th Jul 20254512 AMAQI
20th Jul 2025411 AMAQI
20th Jul 2025262 AMAQI
20th Jul 2025283 AMAQI
20th Jul 2025334 AMAQI
20th Jul 2025235 AMAQI
31°C22/40°C
20th Jul 2025266 AMAQI
20th Jul 2025277 AMAQI
20th Jul 2025278 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20252910 AMAQI
20th Jul 20253111 AMAQI
20th Jul 20253112 PMAQI
20th Jul 2025311 PMAQI
20th Jul 2025302 PMAQI
20th Jul 2025323 PMAQI
20th Jul 2025324 PMAQI
20th Jul 2025325 PMAQI
20th Jul 2025306 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025318 PMAQI
20th Jul 2025369 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025423 AMAQI
21st Jul 2025364 AMAQI
21st Jul 2025385 AMAQI
30°C22/38°C
21st Jul 2025386 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025398 AMAQI
21st Jul 2025389 AMAQI
21st Jul 20253810 AMAQI
21st Jul 20253711 AMAQI
21st Jul 20253812 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025382 PMAQI
21st Jul 2025413 PMAQI
21st Jul 2025394 PMAQI
21st Jul 2025405 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025407 PMAQI
21st Jul 2025428 PMAQI
21st Jul 2025439 PMAQI
21st Jul 20254010 PMAQI
21st Jul 20253811 PMAQI
22nd Jul 20253412 AMAQI
22nd Jul 2025321 AMAQI
22nd Jul 2025242 AMAQI
22nd Jul 2025223 AMAQI
22nd Jul 2025204 AMAQI
22nd Jul 2025215 AMAQI
32°C24/39°C
22nd Jul 2025226 AMAQI
22nd Jul 2025247 AMAQI
22nd Jul 2025248 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20253311 AMAQI
22nd Jul 20253812 PMAQI
22nd Jul 2025401 PMAQI
22nd Jul 2025422 PMAQI
22nd Jul 2025403 PMAQI
22nd Jul 2025404 PMAQI
22nd Jul 2025385 PMAQI
22nd Jul 2025376 PMAQI
22nd Jul 2025327 PMAQI
22nd Jul 2025368 PMAQI
22nd Jul 2025409 PMAQI
22nd Jul 20253810 PMAQI
22nd Jul 20254011 PMAQI
23rd Jul 20254012 AMAQI
23rd Jul 2025421 AMAQI
23rd Jul 2025532 AMAQI
23rd Jul 2025533 AMAQI
23rd Jul 2025524 AMAQI
23rd Jul 2025505 AMAQI
30°C22/38°C
23rd Jul 2025506 AMAQI
23rd Jul 2025527 AMAQI
23rd Jul 2025508 AMAQI
23rd Jul 2025519 AMAQI
23rd Jul 20255010 AMAQI
23rd Jul 20255011 AMAQI
23rd Jul 20254812 PMAQI
23rd Jul 2025461 PMAQI
23rd Jul 2025442 PMAQI
23rd Jul 2025433 PMAQI
23rd Jul 2025424 PMAQI
23rd Jul 2025395 PMAQI
23rd Jul 2025386 PMAQI
23rd Jul 2025477 PMAQI
23rd Jul 2025508 PMAQI
23rd Jul 2025419 PMAQI
23rd Jul 20254410 PMAQI
23rd Jul 20254411 PMAQI
24th Jul 20254212 AMAQI
24th Jul 2025391 AMAQI
24th Jul 2025232 AMAQI
24th Jul 2025243 AMAQI
24th Jul 2025254 AMAQI
24th Jul 2025245 AMAQI
30°C22/38°C
24th Jul 2025246 AMAQI
24th Jul 2025257 AMAQI
24th Jul 2025248 AMAQI
24th Jul 2025269 AMAQI
24th Jul 20252410 AMAQI
24th Jul 20252411 AMAQI
24th Jul 20252512 PMAQI
24th Jul 2025241 PMAQI
24th Jul 2025262 PMAQI
24th Jul 2025263 PMAQI
24th Jul 2025284 PMAQI
24th Jul 2025275 PMAQI
24th Jul 2025246 PMAQI
24th Jul 2025267 PMAQI
24th Jul 2025258 PMAQI
24th Jul 2025259 PMAQI
24th Jul 20252610 PMAQI
24th Jul 20252411 PMAQI
25th Jul 20252612 AMAQI
25th Jul 2025261 AMAQI
25th Jul 2025202 AMAQI
25th Jul 2025213 AMAQI
25th Jul 2025244 AMAQI
25th Jul 2025245 AMAQI
25°C22/32°C
25th Jul 2025256 AMAQI
25th Jul 2025267 AMAQI
25th Jul 2025258 AMAQI
25th Jul 2025229 AMAQI
25th Jul 20251910 AMAQI
25th Jul 20251911 AMAQI
25th Jul 20251912 PMAQI
25th Jul 2025201 PMAQI
25th Jul 2025212 PMAQI
25th Jul 2025223 PMAQI
25th Jul 2025224 PMAQI
25th Jul 2025215 PMAQI
25th Jul 2025216 PMAQI
25th Jul 2025237 PMAQI
25th Jul 2025238 PMAQI
25th Jul 2025219 PMAQI
25th Jul 20252010 PMAQI
25th Jul 20252111 PMAQI
26th Jul 20252212 AMAQI
26th Jul 2025201 AMAQI
26th Jul 2025172 AMAQI
26th Jul 2025163 AMAQI
26th Jul 2025154 AMAQI
26th Jul 2025165 AMAQI
25°C22/30°C
26th Jul 2025166 AMAQI
26th Jul 2025177 AMAQI
26th Jul 2025188 AMAQI
26th Jul 2025189 AMAQI
26th Jul 20252010 AMAQI
26th Jul 20252211 AMAQI
26th Jul 20252312 PMAQI
26th Jul 2025221 PMAQI
26th Jul 2025212 PMAQI
26th Jul 2025223 PMAQI
26th Jul 2025214 PMAQI
26th Jul 2025225 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025227 PMAQI
26th Jul 2025218 PMAQI
26th Jul 2025249 PMAQI
26th Jul 20252410 PMAQI
26th Jul 20252411 PMAQI
27th Jul 20252512 AMAQI
27th Jul 2025251 AMAQI
27th Jul 2025262 AMAQI
27th Jul 2025283 AMAQI
27th Jul 2025284 AMAQI
27th Jul 2025285 AMAQI
29°C20/38°C
27th Jul 2025276 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025288 AMAQI
27th Jul 2025299 AMAQI
27th Jul 20253010 AMAQI
27th Jul 20253011 AMAQI
27th Jul 20253012 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025302 PMAQI
27th Jul 2025313 PMAQI
27th Jul 2025314 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025316 PMAQI
27th Jul 2025307 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025319 PMAQI
27th Jul 20253110 PMAQI
27th Jul 20253211 PMAQI
28th Jul 20253112 AMAQI
28th Jul 2025311 AMAQI
28th Jul 2025322 AMAQI
28th Jul 2025313 AMAQI
28th Jul 2025314 AMAQI
28th Jul 2025325 AMAQI
31°C22/39°C
28th Jul 2025326 AMAQI
28th Jul 2025337 AMAQI
28th Jul 2025338 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20253510 AMAQI
28th Jul 20253511 AMAQI
28th Jul 20253612 PMAQI
28th Jul 2025351 PMAQI
28th Jul 2025342 PMAQI
28th Jul 2025343 PMAQI
28th Jul 2025334 PMAQI
28th Jul 2025335 PMAQI
28th Jul 2025336 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025338 PMAQI
28th Jul 2025329 PMAQI
28th Jul 20253210 PMAQI
28th Jul 20253311 PMAQI
29th Jul 20253212 AMAQI
29th Jul 2025341 AMAQI
29th Jul 2025342 AMAQI
29th Jul 2025343 AMAQI
29th Jul 2025344 AMAQI
29th Jul 2025345 AMAQI
31°C23/38°C
29th Jul 2025346 AMAQI
29th Jul 2025367 AMAQI
29th Jul 2025378 AMAQI
29th Jul 2025369 AMAQI
29th Jul 20253710 AMAQI
29th Jul 20253511 AMAQI
29th Jul 20253712 PMAQI
29th Jul 2025381 PMAQI
29th Jul 2025382 PMAQI
29th Jul 2025373 PMAQI
29th Jul 2025374 PMAQI
29th Jul 2025365 PMAQI
29th Jul 2025366 PMAQI
29th Jul 2025377 PMAQI
29th Jul 2025368 PMAQI
29th Jul 2025349 PMAQI
29th Jul 20253410 PMAQI
29th Jul 20253611 PMAQI
30th Jul 20253712 AMAQI
30th Jul 2025351 AMAQI
30th Jul 2025292 AMAQI
30th Jul 2025273 AMAQI
30th Jul 2025264 AMAQI
30th Jul 2025275 AMAQI
31°C23/40°C
30th Jul 2025246 AMAQI
30th Jul 2025267 AMAQI
30th Jul 2025238 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20252210 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252212 PMAQI
30th Jul 2025221 PMAQI
30th Jul 2025212 PMAQI
30th Jul 2025213 PMAQI
30th Jul 2025214 PMAQI
30th Jul 2025215 PMAQI
30th Jul 2025216 PMAQI
30th Jul 2025217 PMAQI
30th Jul 2025218 PMAQI
30th Jul 2025249 PMAQI
30th Jul 20252610 PMAQI
30th Jul 20252711 PMAQI
31st Jul 20252512 AMAQI
31st Jul 2025261 AMAQI
31st Jul 2025242 AMAQI
31st Jul 2025323 AMAQI
31st Jul 2025264 AMAQI
31st Jul 2025265 AMAQI
26°C21/31°C
31st Jul 2025366 AMAQI
31st Jul 2025297 AMAQI
31st Jul 2025328 AMAQI
31st Jul 2025319 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20253611 AMAQI
31st Jul 20253712 PMAQI
31st Jul 2025351 PMAQI
31st Jul 2025342 PMAQI
31st Jul 2025333 PMAQI
31st Jul 2025364 PMAQI
31st Jul 2025355 PMAQI
31st Jul 2025376 PMAQI
31st Jul 2025307 PMAQI
31st Jul 2025398 PMAQI
31st Jul 2025459 PMAQI
31st Jul 20255010 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20255012 AMAQI
1st Aug 2025471 AMAQI
1st Aug 2025502 AMAQI
1st Aug 2025503 AMAQI
1st Aug 2025544 AMAQI
1st Aug 2025485 AMAQI
25°C19/30°C
1st Aug 2025526 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025578 AMAQI
1st Aug 2025609 AMAQI
1st Aug 20255410 AMAQI
1st Aug 20256211 AMAQI
1st Aug 20256312 PMAQI
1st Aug 2025661 PMAQI
1st Aug 2025662 PMAQI
1st Aug 2025743 PMAQI
1st Aug 2025784 PMAQI
1st Aug 2025845 PMAQI
1st Aug 2025786 PMAQI
1st Aug 2025627 PMAQI
1st Aug 2025748 PMAQI
1st Aug 2025899 PMAQI
1st Aug 20259510 PMAQI
1st Aug 20259211 PMAQI
2nd Aug 20259412 AMAQI
2nd Aug 20251051 AMAQI
2nd Aug 20251042 AMAQI
2nd Aug 20251043 AMAQI
2nd Aug 20251154 AMAQI
2nd Aug 20251225 AMAQI
24°C20/29°C
2nd Aug 20251296 AMAQI
2nd Aug 20251327 AMAQI
2nd Aug 20251398 AMAQI
2nd Aug 20251409 AMAQI
2nd Aug 202514610 AMAQI
2nd Aug 202513911 AMAQI
2nd Aug 202513912 PMAQI
2nd Aug 20251141 PMAQI
2nd Aug 20251002 PMAQI
2nd Aug 2025863 PMAQI
2nd Aug 2025914 PMAQI
2nd Aug 2025825 PMAQI
2nd Aug 2025826 PMAQI
2nd Aug 20251047 PMAQI
2nd Aug 2025888 PMAQI
2nd Aug 2025799 PMAQI
2nd Aug 20257610 PMAQI
2nd Aug 20257511 PMAQI
3rd Aug 20257412 AMAQI
3rd Aug 2025711 AMAQI
3rd Aug 2025622 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025534 AMAQI
3rd Aug 2025445 AMAQI
24°C17/31°C
3rd Aug 2025486 AMAQI
3rd Aug 2025537 AMAQI
3rd Aug 2025548 AMAQI
3rd Aug 2025569 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20254512 PMAQI
3rd Aug 2025401 PMAQI
3rd Aug 2025342 PMAQI
3rd Aug 2025303 PMAQI
3rd Aug 2025324 PMAQI
3rd Aug 2025355 PMAQI
3rd Aug 2025396 PMAQI
3rd Aug 2025487 PMAQI
3rd Aug 2025468 PMAQI
3rd Aug 2025389 PMAQI
3rd Aug 20253810 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20253912 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025352 AMAQI
4th Aug 2025283 AMAQI
4th Aug 2025284 AMAQI
4th Aug 2025255 AMAQI
25°C18/31°C
4th Aug 2025236 AMAQI
4th Aug 2025267 AMAQI
4th Aug 2025288 AMAQI
4th Aug 2025259 AMAQI
4th Aug 20252710 AMAQI
4th Aug 20252811 AMAQI
4th Aug 20252812 PMAQI
4th Aug 2025331 PMAQI
4th Aug 2025322 PMAQI
4th Aug 2025373 PMAQI
4th Aug 2025344 PMAQI
4th Aug 2025325 PMAQI
4th Aug 2025356 PMAQI
4th Aug 2025307 PMAQI
4th Aug 2025348 PMAQI
4th Aug 2025379 PMAQI
4th Aug 20254010 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20255112 AMAQI
5th Aug 2025481 AMAQI
5th Aug 2025462 AMAQI
5th Aug 2025493 AMAQI
5th Aug 2025514 AMAQI
5th Aug 2025545 AMAQI
25°C17/33°C
5th Aug 2025546 AMAQI
5th Aug 2025577 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025509 AMAQI
5th Aug 20254510 AMAQI
5th Aug 20254011 AMAQI
5th Aug 20254012 PMAQI
5th Aug 2025381 PMAQI
5th Aug 2025382 PMAQI
5th Aug 2025423 PMAQI
5th Aug 2025404 PMAQI
5th Aug 2025465 PMAQI
5th Aug 2025346 PMAQI
5th Aug 2025417 PMAQI
5th Aug 2025418 PMAQI
5th Aug 2025389 PMAQI
5th Aug 20253510 PMAQI
5th Aug 20253611 PMAQI
6th Aug 20253712 AMAQI
6th Aug 2025371 AMAQI
6th Aug 2025392 AMAQI
6th Aug 2025493 AMAQI
6th Aug 2025554 AMAQI
6th Aug 2025575 AMAQI
28°C20/35°C
6th Aug 2025576 AMAQI
6th Aug 2025577 AMAQI
6th Aug 2025568 AMAQI
6th Aug 2025569 AMAQI
6th Aug 20255510 AMAQI
6th Aug 20255411 AMAQI
6th Aug 20255412 PMAQI
6th Aug 2025521 PMAQI
6th Aug 2025502 PMAQI
6th Aug 2025533 PMAQI
6th Aug 2025534 PMAQI
6th Aug 2025515 PMAQI
6th Aug 2025536 PMAQI
6th Aug 2025517 PMAQI
6th Aug 2025538 PMAQI
6th Aug 2025549 PMAQI
6th Aug 20255410 PMAQI
6th Aug 20255211 PMAQI
7th Aug 20255212 AMAQI
7th Aug 2025511 AMAQI
7th Aug 2025432 AMAQI
7th Aug 2025413 AMAQI
7th Aug 2025434 AMAQI
7th Aug 2025435 AMAQI
30°C21/39°C
7th Aug 2025456 AMAQI
7th Aug 2025447 AMAQI
7th Aug 2025458 AMAQI
7th Aug 2025459 AMAQI
7th Aug 20254610 AMAQI
7th Aug 20254611 AMAQI
7th Aug 20254512 PMAQI
7th Aug 2025451 PMAQI
7th Aug 2025472 PMAQI
7th Aug 2025463 PMAQI
7th Aug 2025474 PMAQI
7th Aug 2025465 PMAQI
7th Aug 2025496 PMAQI
7th Aug 2025487 PMAQI
7th Aug 2025468 PMAQI
7th Aug 2025489 PMAQI
7th Aug 20255010 PMAQI
7th Aug 20255211 PMAQI
8th Aug 20255012 AMAQI
8th Aug 2025511 AMAQI
8th Aug 2025462 AMAQI
8th Aug 2025483 AMAQI
8th Aug 2025444 AMAQI
8th Aug 2025445 AMAQI
31°C19/41°C
8th Aug 2025466 AMAQI
8th Aug 2025477 AMAQI
8th Aug 2025488 AMAQI
8th Aug 2025469 AMAQI
8th Aug 20254610 AMAQI
8th Aug 20254511 AMAQI
8th Aug 20254312 PMAQI
8th Aug 2025411 PMAQI
8th Aug 2025442 PMAQI
8th Aug 2025463 PMAQI
8th Aug 2025464 PMAQI
8th Aug 2025465 PMAQI
8th Aug 2025476 PMAQI
8th Aug 2025497 PMAQI
8th Aug 2025488 PMAQI
8th Aug 2025489 PMAQI
8th Aug 20254910 PMAQI
8th Aug 20255211 PMAQI
9th Aug 20255212 AMAQI
9th Aug 2025521 AMAQI
9th Aug 2025542 AMAQI
9th Aug 2025523 AMAQI
9th Aug 2025464 AMAQI
9th Aug 2025465 AMAQI
33°C21/44°C
9th Aug 2025506 AMAQI
9th Aug 2025527 AMAQI
9th Aug 2025518 AMAQI
9th Aug 2025499 AMAQI
9th Aug 20254410 AMAQI
9th Aug 20254311 AMAQI
9th Aug 20254212 PMAQI
9th Aug 2025421 PMAQI
9th Aug 2025482 PMAQI
9th Aug 2025533 PMAQI
9th Aug 2025544 PMAQI
9th Aug 2025545 PMAQI
9th Aug 2025536 PMAQI
9th Aug 2025527 PMAQI
9th Aug 2025528 PMAQI
9th Aug 2025549 PMAQI
9th Aug 20255310 PMAQI
9th Aug 20255311 PMAQI
10th Aug 20255212 AMAQI
28°C24/33°C
6 AM
1 PM
8 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 8 PM
39AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
6 AM - 8 PM
39AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 PM (Avg. 39), while the lowest AQI was between 6 AM to 8 PM (Avg. 39).
Night time
Avg. Highest Time
12 AM - 4 AM
40AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
5 AM
37AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 40), while the lowest AQI was between 5 AM to 5 AM (Avg. 37).
2025 Days Vs Air Quality
Hays, Kansas, United States
2025
94%
208
5%
12
0.4%
1
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
208 DaysModerate
12 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 222 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
Hays, Kansas, 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
25AQI
25AQI
2nd January 2025
28AQI
28AQI
3rd January 2025
36AQI
36AQI
4th January 2025
27AQI
27AQI
5th January 2025
25AQI
25AQI
6th January 2025
24AQI
24AQI
7th January 2025
25AQI
25AQI
8th January 2025
29AQI
29AQI
9th January 2025
26AQI
26AQI
10th January 2025
26AQI
26AQI
11th January 2025
21AQI
21AQI
12th January 2025
23AQI
23AQI
13th January 2025
26AQI
26AQI
14th January 2025
24AQI
24AQI
15th January 2025
25AQI
25AQI
16th January 2025
22AQI
22AQI
17th January 2025
24AQI
24AQI
18th January 2025
25AQI
25AQI
19th January 2025
23AQI
23AQI
20th January 2025
26AQI
26AQI
21st January 2025
23AQI
23AQI
22nd January 2025
25AQI
25AQI
23rd January 2025
23AQI
23AQI
24th January 2025
24AQI
24AQI
25th January 2025
24AQI
24AQI
26th January 2025
24AQI
24AQI
27th January 2025
29AQI
29AQI
28th January 2025
27AQI
27AQI
29th January 2025
26AQI
26AQI
30th January 2025
30AQI
30AQI
31st January 2025
29AQI
29AQI
1st February 2025
22AQI
22AQI
2nd February 2025
23AQI
23AQI
3rd February 2025
27AQI
27AQI
4th February 2025
24AQI
24AQI
5th February 2025
29AQI
29AQI
6th February 2025
26AQI
26AQI
7th February 2025
25AQI
25AQI
8th February 2025
28AQI
28AQI
9th February 2025
23AQI
23AQI
10th February 2025
25AQI
25AQI
11th February 2025
32AQI
32AQI
12th February 2025
29AQI
29AQI
13th February 2025
29AQI
29AQI
14th February 2025
32AQI
32AQI
15th February 2025
46AQI
46AQI
16th February 2025
32AQI
32AQI
17th February 2025
28AQI
28AQI
18th February 2025
23AQI
23AQI
19th February 2025
24AQI
24AQI
20th February 2025
26AQI
26AQI
21st February 2025
27AQI
27AQI
22nd February 2025
28AQI
28AQI
23rd February 2025
32AQI
32AQI
24th February 2025
29AQI
29AQI
25th February 2025
25AQI
25AQI
26th February 2025
28AQI
28AQI
27th February 2025
25AQI
25AQI
28th February 2025
26AQI
26AQI
1st March 2025
30AQI
30AQI
2nd March 2025
42AQI
42AQI
3rd March 2025
51AQI
51AQI
4th March 2025
37AQI
37AQI
5th March 2025
28AQI
28AQI
6th March 2025
27AQI
27AQI
7th March 2025
30AQI
30AQI
8th March 2025
26AQI
26AQI
9th March 2025
29AQI
29AQI
10th March 2025
28AQI
28AQI
11th March 2025
30AQI
30AQI
12th March 2025
35AQI
35AQI
13th March 2025
44AQI
44AQI
14th March 2025
80AQI
80AQI
15th March 2025
22AQI
22AQI
16th March 2025
16AQI
16AQI
17th March 2025
20AQI
20AQI
18th March 2025
36AQI
36AQI
19th March 2025
61AQI
61AQI
20th March 2025
19AQI
19AQI
21st March 2025
18AQI
18AQI
22nd March 2025
19AQI
19AQI
23rd March 2025
19AQI
19AQI
24th March 2025
16AQI
16AQI
25th March 2025
19AQI
19AQI
26th March 2025
42AQI
42AQI
27th March 2025
46AQI
46AQI
28th March 2025
24AQI
24AQI
29th March 2025
29AQI
29AQI
30th March 2025
16AQI
16AQI
31st March 2025
22AQI
22AQI
1st April 2025
50AQI
50AQI
2nd April 2025
33AQI
33AQI
3rd April 2025
19AQI
19AQI
4th April 2025
32AQI
32AQI
5th April 2025
21AQI
21AQI
6th April 2025
21AQI
21AQI
7th April 2025
22AQI
22AQI
8th April 2025
76AQI
76AQI
9th April 2025
32AQI
32AQI
10th April 2025
30AQI
30AQI
11th April 2025
30AQI
30AQI
12th April 2025
40AQI
40AQI
13th April 2025
38AQI
38AQI
14th April 2025
24AQI
24AQI
15th April 2025
28AQI
28AQI
16th April 2025
40AQI
40AQI
17th April 2025
44AQI
44AQI
18th April 2025
29AQI
29AQI
19th April 2025
21AQI
21AQI
20th April 2025
40AQI
40AQI
21st April 2025
31AQI
31AQI
22nd April 2025
31AQI
31AQI
23rd April 2025
40AQI
40AQI
24th April 2025
21AQI
21AQI
25th April 2025
30AQI
30AQI
26th April 2025
27AQI
27AQI
27th April 2025
39AQI
39AQI
28th April 2025
43AQI
43AQI
29th April 2025
20AQI
20AQI
30th April 2025
25AQI
25AQI
1st May 2025
19AQI
19AQI
2nd May 2025
19AQI
19AQI
3rd May 2025
23AQI
23AQI
4th May 2025
29AQI
29AQI
5th May 2025
35AQI
35AQI
6th May 2025
33AQI
33AQI
7th May 2025
30AQI
30AQI
8th May 2025
39AQI
39AQI
9th May 2025
40AQI
40AQI
10th May 2025
44AQI
44AQI
11th May 2025
34AQI
34AQI
12th May 2025
36AQI
36AQI
13th May 2025
40AQI
40AQI
14th May 2025
47AQI
47AQI
15th May 2025
34AQI
34AQI
16th May 2025
31AQI
31AQI
17th May 2025
18AQI
18AQI
18th May 2025
29AQI
29AQI
19th May 2025
36AQI
36AQI
20th May 2025
19AQI
19AQI
21st May 2025
18AQI
18AQI
22nd May 2025
19AQI
19AQI
23rd May 2025
25AQI
25AQI
24th May 2025
23AQI
23AQI
25th May 2025
23AQI
23AQI
26th May 2025
23AQI
23AQI
27th May 2025
17AQI
17AQI
28th May 2025
18AQI
18AQI
29th May 2025
18AQI
18AQI
30th May 2025
20AQI
20AQI
31st May 2025
32AQI
32AQI
1st June 2025
58AQI
58AQI
2nd June 2025
46AQI
46AQI
3rd June 2025
48AQI
48AQI
4th June 2025
59AQI
59AQI
5th June 2025
57AQI
57AQI
6th June 2025
53AQI
53AQI
7th June 2025
35AQI
35AQI
8th June 2025
50AQI
50AQI
9th June 2025
55AQI
55AQI
10th June 2025
56AQI
56AQI
11th June 2025
47AQI
47AQI
12th June 2025
45AQI
45AQI
13th June 2025
30AQI
30AQI
14th June 2025
33AQI
33AQI
15th June 2025
27AQI
27AQI
16th June 2025
30AQI
30AQI
17th June 2025
25AQI
25AQI
18th June 2025
21AQI
21AQI
19th June 2025
26AQI
26AQI
20th June 2025
44AQI
44AQI
21st June 2025
38AQI
38AQI
22nd June 2025
40AQI
40AQI
23rd June 2025
48AQI
48AQI
24th June 2025
34AQI
34AQI
25th June 2025
36AQI
36AQI
26th June 2025
27AQI
27AQI
27th June 2025
25AQI
25AQI
28th June 2025
28AQI
28AQI
29th June 2025
33AQI
33AQI
30th June 2025
30AQI
30AQI
1st July 2025
27AQI
27AQI
2nd July 2025
30AQI
30AQI
3rd July 2025
43AQI
43AQI
4th July 2025
42AQI
42AQI
5th July 2025
35AQI
35AQI
6th July 2025
36AQI
36AQI
7th July 2025
31AQI
31AQI
8th July 2025
32AQI
32AQI
9th July 2025
29AQI
29AQI
10th July 2025
33AQI
33AQI
11th July 2025
38AQI
38AQI
12th July 2025
31AQI
31AQI
13th July 2025
29AQI
29AQI
14th July 2025
31AQI
31AQI
15th July 2025
40AQI
40AQI
16th July 2025
35AQI
35AQI
17th July 2025
38AQI
38AQI
18th July 2025
32AQI
32AQI
19th July 2025
49AQI
49AQI
20th July 2025
32AQI
32AQI
21st July 2025
39AQI
39AQI
22nd July 2025
32AQI
32AQI
23rd July 2025
47AQI
47AQI
24th July 2025
26AQI
26AQI
25th July 2025
22AQI
22AQI
26th July 2025
20AQI
20AQI
27th July 2025
29AQI
29AQI
28th July 2025
33AQI
33AQI
29th July 2025
35AQI
35AQI
30th July 2025
25AQI
25AQI
31st July 2025
34AQI
34AQI
1st August 2025
65AQI
65AQI
2nd August 2025
106AQI
106AQI
3rd August 2025
49AQI
49AQI
4th August 2025
32AQI
32AQI
5th August 2025
44AQI
44AQI
6th August 2025
51AQI
51AQI
7th August 2025
46AQI
46AQI
8th August 2025
47AQI
47AQI
9th August 2025
49AQI
49AQI
26AQI
28AQI
31AQI
33AQI
28AQI
39AQI
33AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202532AQI
31
28
28
3
29
1
31
24
6
31
6
2
1
208
12
1
Highest AQI recorded in
August54AQI
Lowest AQI recorded in
January26AQI
202437AQI
30
1
29
28
3
25
4
1
31
27
2
13
18
7
24
27
3
23
8
30
31
301
63
1
Highest AQI recorded in
August64AQI
Lowest AQI recorded in
November18AQI
202338AQI
26
5
26
2
22
9
27
3
19
12
21
9
30
1
24
7
20
7
2
1
31
29
31
306
55
2
1
Highest AQI recorded in
September51AQI
Lowest AQI recorded in
December24AQI
202236AQI
31
21
25
4
18
5
4
27
4
25
5
20
2
2
26
3
28
3
30
26
5
279
31
4
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
January25AQI
202136AQI
27
3
27
1
30
1
28
2
31
26
4
19
12
20
8
3
23
7
31
29
1
27
1
1
318
40
3
1
Highest AQI recorded in
August55AQI
Lowest AQI recorded in
October22AQI
202034AQI
13
21
18
27
3
30
1
29
2
20
9
17
6
30
31
236
21
Highest AQI recorded in
September46AQI
Lowest AQI recorded in
March26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
38AQILeast Polluted Year Recorded
2025(Avg.)
32AQIHays's annual 2025 AQI (32) shows an average percentage change of -11.5% (improved AQI) compared to previous years: 2020 (34), 2021 (36), 2022 (36), 2023 (38), 2024 (37).
