Casa Grande, Arizona, 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+
October Air Quality Analysis
Casa Grande, Arizona, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Oct 2025
51AQILowest AQI recorded on
11th Oct 2025
19AQISame Day Analysis (25th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 32 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 25th Oct - 26th Oct 2025
Casa Grande, Arizona, United States
AQI
Day
Night
.
6 AM25th Oct 2025
6 PM
5 AM26th Oct 2025
Day time
Avg. Highest Time
9AM25th Oct
45AQI
Avg. Lowest Time
5PM25th Oct
16AQI
Night time
Avg. Highest Time
3AM26th Oct
44AQI
Avg. Lowest Time
6PM25th Oct
24AQI
In the last 24 hours,
Casa Grande's AQI reached its highest point of 45 at 9 AM during the Day, while the lowest point, 16, was recorded at 5 PM during the Day between 25th Oct and 26th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Casa Grande, Arizona, United States
SepOct
26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th
Day
Night
26th Sep 2025256 AMAQI
26th Sep 2025257 AMAQI
26th Sep 2025248 AMAQI
26th Sep 2025229 AMAQI
26th Sep 20252110 AMAQI
26th Sep 20252211 AMAQI
26th Sep 20252412 PMAQI
26th Sep 2025251 PMAQI
26th Sep 2025262 PMAQI
26th Sep 2025353 PMAQI
26th Sep 2025404 PMAQI
26th Sep 2025335 PMAQI
26th Sep 2025326 PMAQI
26th Sep 2025287 PMAQI
26th Sep 2025288 PMAQI
26th Sep 2025269 PMAQI
26th Sep 20252610 PMAQI
26th Sep 20252111 PMAQI
27th Sep 20251112 AMAQI
27th Sep 2025131 AMAQI
27th Sep 2025162 AMAQI
27th Sep 2025173 AMAQI
27th Sep 2025154 AMAQI
27th Sep 2025135 AMAQI
29°C22/34°C
27th Sep 2025136 AMAQI
27th Sep 2025107 AMAQI
27th Sep 2025108 AMAQI
27th Sep 2025109 AMAQI
27th Sep 20251110 AMAQI
27th Sep 20251411 AMAQI
27th Sep 20251612 PMAQI
27th Sep 2025171 PMAQI
27th Sep 2025182 PMAQI
27th Sep 2025123 PMAQI
27th Sep 2025114 PMAQI
27th Sep 2025115 PMAQI
27th Sep 2025146 PMAQI
27th Sep 2025157 PMAQI
27th Sep 2025148 PMAQI
27th Sep 2025119 PMAQI
27th Sep 20251110 PMAQI
27th Sep 20251311 PMAQI
28th Sep 20251412 AMAQI
28th Sep 2025191 AMAQI
28th Sep 2025232 AMAQI
28th Sep 2025213 AMAQI
28th Sep 2025274 AMAQI
28th Sep 2025295 AMAQI
25°C21/32°C
28th Sep 2025196 AMAQI
28th Sep 2025167 AMAQI
28th Sep 2025238 AMAQI
28th Sep 2025189 AMAQI
28th Sep 20251510 AMAQI
28th Sep 20251111 AMAQI
28th Sep 20251512 PMAQI
28th Sep 2025271 PMAQI
28th Sep 2025262 PMAQI
28th Sep 2025263 PMAQI
28th Sep 2025234 PMAQI
28th Sep 2025215 PMAQI
28th Sep 2025256 PMAQI
28th Sep 2025337 PMAQI
28th Sep 2025298 PMAQI
28th Sep 2025289 PMAQI
28th Sep 20253110 PMAQI
28th Sep 20253411 PMAQI
29th Sep 20253312 AMAQI
29th Sep 2025341 AMAQI
29th Sep 2025392 AMAQI
29th Sep 2025373 AMAQI
29th Sep 2025284 AMAQI
29th Sep 2025305 AMAQI
25°C19/33°C
29th Sep 2025356 AMAQI
29th Sep 2025367 AMAQI
29th Sep 2025218 AMAQI
29th Sep 2025239 AMAQI
29th Sep 20252610 AMAQI
29th Sep 20252911 AMAQI
29th Sep 20252112 PMAQI
29th Sep 2025211 PMAQI
29th Sep 2025342 PMAQI
29th Sep 2025313 PMAQI
29th Sep 2025214 PMAQI
29th Sep 2025155 PMAQI
29th Sep 2025156 PMAQI
29th Sep 2025137 PMAQI
29th Sep 2025168 PMAQI
29th Sep 2025189 PMAQI
29th Sep 20252010 PMAQI
29th Sep 20252211 PMAQI
30th Sep 20252812 AMAQI
30th Sep 2025311 AMAQI
30th Sep 2025302 AMAQI
30th Sep 2025293 AMAQI
30th Sep 2025244 AMAQI
30th Sep 2025365 AMAQI
27°C20/34°C
30th Sep 2025206 AMAQI
30th Sep 2025267 AMAQI
30th Sep 2025268 AMAQI
30th Sep 2025249 AMAQI
30th Sep 20252910 AMAQI
30th Sep 20253211 AMAQI
30th Sep 20253312 PMAQI
30th Sep 2025281 PMAQI
30th Sep 2025492 PMAQI
30th Sep 2025413 PMAQI
30th Sep 2025214 PMAQI
30th Sep 2025145 PMAQI
30th Sep 2025156 PMAQI
30th Sep 2025207 PMAQI
30th Sep 2025148 PMAQI
30th Sep 2025209 PMAQI
30th Sep 20253610 PMAQI
30th Sep 20254611 PMAQI
1st Oct 20254512 AMAQI
1st Oct 2025451 AMAQI
1st Oct 2025462 AMAQI
1st Oct 2025503 AMAQI
1st Oct 2025404 AMAQI
1st Oct 2025255 AMAQI
29°C21/37°C
1st Oct 2025236 AMAQI
1st Oct 2025267 AMAQI
1st Oct 2025378 AMAQI
1st Oct 2025399 AMAQI
1st Oct 20253910 AMAQI
1st Oct 20253211 AMAQI
1st Oct 20252712 PMAQI
1st Oct 2025221 PMAQI
1st Oct 2025192 PMAQI
1st Oct 2025213 PMAQI
1st Oct 2025124 PMAQI
1st Oct 2025155 PMAQI
1st Oct 2025176 PMAQI
1st Oct 2025297 PMAQI
1st Oct 2025368 PMAQI
1st Oct 2025389 PMAQI
1st Oct 20254310 PMAQI
1st Oct 20254211 PMAQI
2nd Oct 20254512 AMAQI
2nd Oct 2025471 AMAQI
2nd Oct 2025472 AMAQI
2nd Oct 2025413 AMAQI
2nd Oct 2025364 AMAQI
2nd Oct 2025305 AMAQI
29°C21/37°C
2nd Oct 2025266 AMAQI
2nd Oct 2025357 AMAQI
2nd Oct 2025458 AMAQI
2nd Oct 2025509 AMAQI
2nd Oct 20254810 AMAQI
2nd Oct 20254111 AMAQI
2nd Oct 20253612 PMAQI
2nd Oct 2025271 PMAQI
2nd Oct 2025232 PMAQI
2nd Oct 2025213 PMAQI
2nd Oct 2025264 PMAQI
2nd Oct 2025225 PMAQI
2nd Oct 2025236 PMAQI
2nd Oct 2025297 PMAQI
2nd Oct 2025288 PMAQI
2nd Oct 2025379 PMAQI
2nd Oct 20254210 PMAQI
2nd Oct 20254411 PMAQI
3rd Oct 20254712 AMAQI
3rd Oct 2025431 AMAQI
3rd Oct 2025412 AMAQI
3rd Oct 2025393 AMAQI
3rd Oct 2025314 AMAQI
3rd Oct 2025345 AMAQI
30°C21/39°C
3rd Oct 2025376 AMAQI
3rd Oct 2025517 AMAQI
3rd Oct 2025638 AMAQI
3rd Oct 2025679 AMAQI
3rd Oct 20255810 AMAQI
3rd Oct 20254511 AMAQI
3rd Oct 20254012 PMAQI
3rd Oct 2025331 PMAQI
3rd Oct 2025272 PMAQI
3rd Oct 2025463 PMAQI
3rd Oct 2025584 PMAQI
3rd Oct 2025495 PMAQI
3rd Oct 2025406 PMAQI
3rd Oct 2025407 PMAQI
3rd Oct 2025368 PMAQI
3rd Oct 2025369 PMAQI
3rd Oct 20253110 PMAQI
3rd Oct 20253111 PMAQI
4th Oct 20252612 AMAQI
4th Oct 2025261 AMAQI
4th Oct 2025242 AMAQI
4th Oct 2025283 AMAQI
4th Oct 2025384 AMAQI
4th Oct 2025555 AMAQI
30°C22/39°C
4th Oct 2025716 AMAQI
4th Oct 2025777 AMAQI
4th Oct 2025838 AMAQI
4th Oct 2025809 AMAQI
4th Oct 20257410 AMAQI
4th Oct 20256911 AMAQI
4th Oct 20256112 PMAQI
4th Oct 2025541 PMAQI
4th Oct 2025492 PMAQI
4th Oct 2025433 PMAQI
4th Oct 2025374 PMAQI
4th Oct 2025315 PMAQI
4th Oct 2025336 PMAQI
4th Oct 2025347 PMAQI
4th Oct 2025378 PMAQI
4th Oct 2025419 PMAQI
4th Oct 20254910 PMAQI
4th Oct 20254711 PMAQI
5th Oct 20255012 AMAQI
5th Oct 2025511 AMAQI
5th Oct 2025512 AMAQI
5th Oct 2025523 AMAQI
5th Oct 2025514 AMAQI
5th Oct 2025505 AMAQI
26°C20/32°C
5th Oct 2025486 AMAQI
5th Oct 2025477 AMAQI
5th Oct 2025518 AMAQI
5th Oct 2025559 AMAQI
5th Oct 20255310 AMAQI
5th Oct 20255011 AMAQI
5th Oct 20254512 PMAQI
5th Oct 2025371 PMAQI
5th Oct 2025292 PMAQI
5th Oct 2025293 PMAQI
5th Oct 2025274 PMAQI
5th Oct 2025275 PMAQI
5th Oct 2025296 PMAQI
5th Oct 2025357 PMAQI
5th Oct 2025408 PMAQI
5th Oct 2025549 PMAQI
5th Oct 20255410 PMAQI
5th Oct 20255211 PMAQI
6th Oct 20255012 AMAQI
6th Oct 2025471 AMAQI
6th Oct 2025512 AMAQI
6th Oct 2025533 AMAQI
6th Oct 2025534 AMAQI
6th Oct 2025515 AMAQI
23°C15/32°C
6th Oct 2025526 AMAQI
6th Oct 2025587 AMAQI
6th Oct 2025658 AMAQI
6th Oct 2025689 AMAQI
6th Oct 20256810 AMAQI
7th Oct 2025484 AMAQI
7th Oct 2025395 AMAQI
25°C15/35°C
7th Oct 2025406 AMAQI
7th Oct 2025497 AMAQI
7th Oct 2025608 AMAQI
7th Oct 2025719 AMAQI
7th Oct 20257110 AMAQI
7th Oct 20256211 AMAQI
7th Oct 20255612 PMAQI
7th Oct 2025501 PMAQI
7th Oct 2025402 PMAQI
7th Oct 2025353 PMAQI
7th Oct 2025304 PMAQI
7th Oct 2025295 PMAQI
7th Oct 2025286 PMAQI
7th Oct 2025337 PMAQI
7th Oct 2025398 PMAQI
7th Oct 2025549 PMAQI
7th Oct 20255710 PMAQI
7th Oct 20255511 PMAQI
8th Oct 20255512 AMAQI
8th Oct 2025561 AMAQI
8th Oct 2025502 AMAQI
8th Oct 2025443 AMAQI
8th Oct 2025424 AMAQI
8th Oct 2025445 AMAQI
26°C17/37°C
8th Oct 2025436 AMAQI
8th Oct 2025437 AMAQI
8th Oct 2025618 AMAQI
8th Oct 2025669 AMAQI
8th Oct 20256510 AMAQI
8th Oct 20256111 AMAQI
8th Oct 20255412 PMAQI
8th Oct 2025421 PMAQI
8th Oct 2025352 PMAQI
8th Oct 2025293 PMAQI
8th Oct 2025274 PMAQI
8th Oct 2025275 PMAQI
8th Oct 2025326 PMAQI
8th Oct 2025467 PMAQI
8th Oct 2025548 PMAQI
8th Oct 2025579 PMAQI
8th Oct 20255210 PMAQI
8th Oct 20254911 PMAQI
9th Oct 20254312 AMAQI
9th Oct 2025321 AMAQI
9th Oct 2025292 AMAQI
9th Oct 2025263 AMAQI
9th Oct 2025284 AMAQI
9th Oct 2025325 AMAQI
29°C20/38°C
9th Oct 2025386 AMAQI
9th Oct 2025457 AMAQI
9th Oct 2025508 AMAQI
9th Oct 2025589 AMAQI
9th Oct 20256610 AMAQI
9th Oct 20256511 AMAQI
9th Oct 20256012 PMAQI
9th Oct 2025581 PMAQI
9th Oct 2025522 PMAQI
9th Oct 2025413 PMAQI
9th Oct 2025324 PMAQI
9th Oct 2025305 PMAQI
9th Oct 2025296 PMAQI
9th Oct 2025257 PMAQI
9th Oct 2025248 PMAQI
9th Oct 2025199 PMAQI
9th Oct 20251710 PMAQI
9th Oct 20252111 PMAQI
10th Oct 20251812 AMAQI
10th Oct 2025311 AMAQI
10th Oct 2025302 AMAQI
10th Oct 2025303 AMAQI
10th Oct 2025264 AMAQI
10th Oct 2025235 AMAQI
29°C26/35°C
10th Oct 2025206 AMAQI
10th Oct 2025217 AMAQI
10th Oct 2025268 AMAQI
10th Oct 2025329 AMAQI
10th Oct 20253110 AMAQI
10th Oct 20252411 AMAQI
10th Oct 20252212 PMAQI
10th Oct 2025181 PMAQI
10th Oct 2025182 PMAQI
10th Oct 2025193 PMAQI
10th Oct 2025264 PMAQI
10th Oct 2025315 PMAQI
10th Oct 2025376 PMAQI
10th Oct 2025427 PMAQI
10th Oct 2025488 PMAQI
10th Oct 2025429 PMAQI
10th Oct 20254110 PMAQI
10th Oct 20253611 PMAQI
11th Oct 20253412 AMAQI
11th Oct 2025361 AMAQI
11th Oct 2025262 AMAQI
11th Oct 2025193 AMAQI
11th Oct 2025174 AMAQI
11th Oct 2025225 AMAQI
29°C24/36°C
11th Oct 2025136 AMAQI
11th Oct 2025187 AMAQI
11th Oct 2025158 AMAQI
11th Oct 2025179 AMAQI
11th Oct 20251610 AMAQI
11th Oct 20251311 AMAQI
11th Oct 20251212 PMAQI
11th Oct 2025111 PMAQI
11th Oct 2025112 PMAQI
11th Oct 202593 PMAQI
11th Oct 202584 PMAQI
11th Oct 202585 PMAQI
11th Oct 202586 PMAQI
11th Oct 2025107 PMAQI
11th Oct 2025198 PMAQI
11th Oct 2025289 PMAQI
11th Oct 20252610 PMAQI
11th Oct 20252611 PMAQI
12th Oct 20251912 AMAQI
12th Oct 2025221 AMAQI
12th Oct 2025132 AMAQI
12th Oct 2025143 AMAQI
12th Oct 2025224 AMAQI
12th Oct 2025305 AMAQI
24°C20/27°C
12th Oct 2025306 AMAQI
12th Oct 2025177 AMAQI
12th Oct 2025148 AMAQI
12th Oct 202599 AMAQI
12th Oct 20251410 AMAQI
12th Oct 20252911 AMAQI
12th Oct 20252112 PMAQI
12th Oct 2025241 PMAQI
12th Oct 202592 PMAQI
12th Oct 2025153 PMAQI
12th Oct 2025304 PMAQI
12th Oct 2025225 PMAQI
12th Oct 2025366 PMAQI
12th Oct 2025217 PMAQI
12th Oct 2025168 PMAQI
12th Oct 2025219 PMAQI
12th Oct 20251710 PMAQI
12th Oct 20252111 PMAQI
13th Oct 20251212 AMAQI
13th Oct 2025111 AMAQI
13th Oct 2025152 AMAQI
13th Oct 2025243 AMAQI
13th Oct 2025224 AMAQI
13th Oct 2025135 AMAQI
24°C21/27°C
13th Oct 2025186 AMAQI
13th Oct 2025227 AMAQI
13th Oct 2025198 AMAQI
13th Oct 2025199 AMAQI
13th Oct 20252210 AMAQI
13th Oct 20252611 AMAQI
13th Oct 20252912 PMAQI
13th Oct 2025171 PMAQI
13th Oct 2025242 PMAQI
13th Oct 2025363 PMAQI
13th Oct 2025304 PMAQI
13th Oct 2025185 PMAQI
13th Oct 2025186 PMAQI
13th Oct 2025227 PMAQI
13th Oct 2025268 PMAQI
13th Oct 2025289 PMAQI
13th Oct 20252710 PMAQI
13th Oct 20253311 PMAQI
14th Oct 20253812 AMAQI
14th Oct 2025391 AMAQI
14th Oct 2025362 AMAQI
14th Oct 2025263 AMAQI
14th Oct 2025244 AMAQI
14th Oct 2025215 AMAQI
23°C20/28°C
14th Oct 2025186 AMAQI
14th Oct 2025177 AMAQI
14th Oct 2025178 AMAQI
14th Oct 2025179 AMAQI
14th Oct 20252210 AMAQI
14th Oct 20252711 AMAQI
14th Oct 20253212 PMAQI
14th Oct 2025331 PMAQI
14th Oct 2025352 PMAQI
14th Oct 2025383 PMAQI
14th Oct 2025404 PMAQI
14th Oct 2025355 PMAQI
14th Oct 2025366 PMAQI
14th Oct 2025327 PMAQI
14th Oct 2025328 PMAQI
14th Oct 2025339 PMAQI
14th Oct 20252210 PMAQI
14th Oct 20252111 PMAQI
15th Oct 20252112 AMAQI
15th Oct 2025201 AMAQI
15th Oct 2025202 AMAQI
15th Oct 2025193 AMAQI
15th Oct 2025184 AMAQI
15th Oct 2025185 AMAQI
24°C18/32°C
15th Oct 2025186 AMAQI
15th Oct 2025227 AMAQI
15th Oct 2025268 AMAQI
15th Oct 2025299 AMAQI
15th Oct 20252610 AMAQI
15th Oct 20253211 AMAQI
15th Oct 20253612 PMAQI
15th Oct 2025171 PMAQI
15th Oct 2025152 PMAQI
15th Oct 2025183 PMAQI
15th Oct 2025164 PMAQI
15th Oct 2025225 PMAQI
15th Oct 2025216 PMAQI
15th Oct 2025207 PMAQI
15th Oct 2025228 PMAQI
15th Oct 2025219 PMAQI
15th Oct 20253610 PMAQI
15th Oct 20253411 PMAQI
16th Oct 20253012 AMAQI
16th Oct 2025191 AMAQI
16th Oct 2025212 AMAQI
16th Oct 2025193 AMAQI
16th Oct 2025184 AMAQI
16th Oct 2025185 AMAQI
21°C16/28°C
16th Oct 2025256 AMAQI
16th Oct 2025257 AMAQI
16th Oct 2025298 AMAQI
16th Oct 2025329 AMAQI
16th Oct 20253810 AMAQI
16th Oct 20252811 AMAQI
16th Oct 20252412 PMAQI
16th Oct 2025181 PMAQI
16th Oct 2025222 PMAQI
16th Oct 2025183 PMAQI
16th Oct 2025244 PMAQI
16th Oct 2025135 PMAQI
16th Oct 2025266 PMAQI
16th Oct 2025307 PMAQI
16th Oct 2025248 PMAQI
16th Oct 2025239 PMAQI
16th Oct 20253710 PMAQI
16th Oct 20254211 PMAQI
17th Oct 20252712 AMAQI
17th Oct 2025371 AMAQI
17th Oct 2025382 AMAQI
17th Oct 2025313 AMAQI
17th Oct 2025224 AMAQI
17th Oct 2025235 AMAQI
21°C15/28°C
17th Oct 2025196 AMAQI
17th Oct 2025307 AMAQI
17th Oct 2025368 AMAQI
17th Oct 2025389 AMAQI
17th Oct 20254310 AMAQI
17th Oct 20253911 AMAQI
17th Oct 20253612 PMAQI
17th Oct 2025321 PMAQI
17th Oct 2025232 PMAQI
17th Oct 2025243 PMAQI
17th Oct 2025154 PMAQI
17th Oct 2025175 PMAQI
17th Oct 2025166 PMAQI
17th Oct 2025207 PMAQI
17th Oct 2025188 PMAQI
17th Oct 2025359 PMAQI
17th Oct 20253210 PMAQI
17th Oct 20254111 PMAQI
18th Oct 20255012 AMAQI
18th Oct 2025371 AMAQI
18th Oct 2025322 AMAQI
18th Oct 2025323 AMAQI
18th Oct 2025454 AMAQI
18th Oct 2025495 AMAQI
20°C13/28°C
18th Oct 2025536 AMAQI
18th Oct 2025377 AMAQI
18th Oct 2025458 AMAQI
18th Oct 2025549 AMAQI
18th Oct 20255010 AMAQI
18th Oct 20255211 AMAQI
18th Oct 20254612 PMAQI
18th Oct 2025301 PMAQI
18th Oct 2025252 PMAQI
18th Oct 2025183 PMAQI
18th Oct 2025244 PMAQI
18th Oct 2025265 PMAQI
18th Oct 2025296 PMAQI
18th Oct 2025247 PMAQI
18th Oct 2025258 PMAQI
18th Oct 2025319 PMAQI
18th Oct 20253410 PMAQI
18th Oct 20253811 PMAQI
19th Oct 20253812 AMAQI
19th Oct 2025321 AMAQI
19th Oct 2025292 AMAQI
19th Oct 2025283 AMAQI
19th Oct 2025254 AMAQI
19th Oct 2025225 AMAQI
21°C13/30°C
19th Oct 2025226 AMAQI
19th Oct 2025237 AMAQI
19th Oct 2025268 AMAQI
19th Oct 2025269 AMAQI
19th Oct 20252810 AMAQI
19th Oct 20254111 AMAQI
19th Oct 20252112 PMAQI
19th Oct 2025171 PMAQI
19th Oct 2025102 PMAQI
19th Oct 2025163 PMAQI
19th Oct 2025234 PMAQI
19th Oct 2025145 PMAQI
19th Oct 2025146 PMAQI
19th Oct 2025197 PMAQI
19th Oct 2025258 PMAQI
19th Oct 2025269 PMAQI
19th Oct 20253510 PMAQI
19th Oct 20254011 PMAQI
20th Oct 20253412 AMAQI
20th Oct 2025501 AMAQI
20th Oct 2025602 AMAQI
20th Oct 2025463 AMAQI
20th Oct 2025224 AMAQI
20th Oct 2025165 AMAQI
22°C13/32°C
20th Oct 2025176 AMAQI
20th Oct 2025187 AMAQI
20th Oct 2025198 AMAQI
20th Oct 2025329 AMAQI
20th Oct 20254010 AMAQI
20th Oct 20253511 AMAQI
20th Oct 20252712 PMAQI
20th Oct 2025201 PMAQI
20th Oct 2025172 PMAQI
20th Oct 2025333 PMAQI
20th Oct 2025214 PMAQI
20th Oct 2025235 PMAQI
20th Oct 2025226 PMAQI
20th Oct 2025277 PMAQI
20th Oct 2025268 PMAQI
20th Oct 2025299 PMAQI
20th Oct 20253910 PMAQI
20th Oct 20256811 PMAQI
21st Oct 20257012 AMAQI
21st Oct 2025671 AMAQI
21st Oct 2025502 AMAQI
21st Oct 2025393 AMAQI
21st Oct 2025234 AMAQI
21st Oct 2025325 AMAQI
23°C14/32°C
21st Oct 2025236 AMAQI
21st Oct 2025367 AMAQI
21st Oct 2025398 AMAQI
21st Oct 2025469 AMAQI
21st Oct 20254810 AMAQI
21st Oct 20254911 AMAQI
21st Oct 20254412 PMAQI
21st Oct 2025371 PMAQI
21st Oct 2025272 PMAQI
21st Oct 2025263 PMAQI
21st Oct 2025314 PMAQI
21st Oct 2025285 PMAQI
21st Oct 2025326 PMAQI
21st Oct 2025297 PMAQI
21st Oct 2025358 PMAQI
21st Oct 2025399 PMAQI
21st Oct 20254910 PMAQI
21st Oct 20255411 PMAQI
22nd Oct 20256512 AMAQI
22nd Oct 2025671 AMAQI
22nd Oct 2025592 AMAQI
22nd Oct 2025543 AMAQI
22nd Oct 2025544 AMAQI
22nd Oct 2025525 AMAQI
23°C14/34°C
22nd Oct 2025496 AMAQI
22nd Oct 2025467 AMAQI
22nd Oct 2025408 AMAQI
22nd Oct 2025459 AMAQI
22nd Oct 20255710 AMAQI
22nd Oct 20255211 AMAQI
22nd Oct 20255412 PMAQI
22nd Oct 2025601 PMAQI
22nd Oct 2025602 PMAQI
22nd Oct 2025453 PMAQI
22nd Oct 2025314 PMAQI
22nd Oct 2025345 PMAQI
22nd Oct 2025326 PMAQI
22nd Oct 2025317 PMAQI
22nd Oct 2025348 PMAQI
22nd Oct 2025419 PMAQI
22nd Oct 20254910 PMAQI
22nd Oct 20254611 PMAQI
23rd Oct 20253612 AMAQI
23rd Oct 2025341 AMAQI
23rd Oct 2025262 AMAQI
23rd Oct 2025233 AMAQI
23rd Oct 2025234 AMAQI
23rd Oct 2025245 AMAQI
25°C18/33°C
23rd Oct 2025276 AMAQI
23rd Oct 2025347 AMAQI
23rd Oct 2025438 AMAQI
23rd Oct 2025499 AMAQI
23rd Oct 20254610 AMAQI
23rd Oct 20253911 AMAQI
23rd Oct 20253812 PMAQI
23rd Oct 2025401 PMAQI
23rd Oct 2025392 PMAQI
23rd Oct 2025363 PMAQI
23rd Oct 2025344 PMAQI
23rd Oct 2025295 PMAQI
23rd Oct 2025326 PMAQI
23rd Oct 2025337 PMAQI
23rd Oct 2025358 PMAQI
23rd Oct 2025369 PMAQI
23rd Oct 20253510 PMAQI
23rd Oct 20253911 PMAQI
24th Oct 20254112 AMAQI
24th Oct 2025421 AMAQI
24th Oct 2025422 AMAQI
24th Oct 2025383 AMAQI
24th Oct 2025344 AMAQI
24th Oct 2025325 AMAQI
22°C15/30°C
24th Oct 2025316 AMAQI
24th Oct 2025347 AMAQI
24th Oct 2025418 AMAQI
24th Oct 2025509 AMAQI
24th Oct 20254410 AMAQI
24th Oct 20254411 AMAQI
24th Oct 20255512 PMAQI
24th Oct 2025561 PMAQI
24th Oct 2025562 PMAQI
24th Oct 2025463 PMAQI
24th Oct 2025354 PMAQI
24th Oct 2025275 PMAQI
24th Oct 2025276 PMAQI
24th Oct 2025267 PMAQI
24th Oct 2025298 PMAQI
24th Oct 2025359 PMAQI
24th Oct 20253710 PMAQI
24th Oct 20253911 PMAQI
25th Oct 20254012 AMAQI
25th Oct 2025381 AMAQI
25th Oct 2025342 AMAQI
25th Oct 2025313 AMAQI
25th Oct 2025294 AMAQI
25th Oct 2025285 AMAQI
21°C13/29°C
25th Oct 2025316 AMAQI
25th Oct 2025297 AMAQI
25th Oct 2025318 AMAQI
25th Oct 2025459 AMAQI
25th Oct 20253410 AMAQI
25th Oct 20253311 AMAQI
25th Oct 20253212 PMAQI
25th Oct 2025391 PMAQI
25th Oct 2025282 PMAQI
25th Oct 2025253 PMAQI
25th Oct 2025184 PMAQI
25th Oct 2025165 PMAQI
25th Oct 2025246 PMAQI
25th Oct 2025377 PMAQI
25th Oct 2025288 PMAQI
25th Oct 2025299 PMAQI
25th Oct 20254110 PMAQI
25th Oct 20253611 PMAQI
26th Oct 20253312 AMAQI
26th Oct 2025371 AMAQI
26th Oct 2025422 AMAQI
26th Oct 2025443 AMAQI
26th Oct 2025394 AMAQI
26th Oct 2025335 AMAQI
22°C14/31°C
26th Oct 2025306 AMAQI
6 AM26th Oct 2025257 AMAQI
26th Oct 2025308 AMAQI
26th Oct 2025299 AMAQI
26th Oct 20255810 AMAQI
26th Oct 20254811 AMAQI
26th Oct 20253512 PMAQI
12 PM26th Oct 2025171 PMAQI
26th Oct 2025242 PMAQI
26th Oct 2025203 PMAQI
26th Oct 2025204 PMAQI
6 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
10 AM
41AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 PM
24AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 10 AM (Avg. 41), while the lowest AQI was between 5 PM to 5 PM (Avg. 24).
Night time
Avg. Highest Time
11 PM
38AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
7 PM
28AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 38), while the lowest AQI was between 7 PM to 7 PM (Avg. 28).
2025 Days Vs Air Quality
Casa Grande, Arizona, United States
2025
83%
177
16%
35
0.9%
2
Total number of days with different AQI categories in last 299 days in 2025 (66 days remaining)
Good
177 DaysModerate
35 DaysPoor
2 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 299 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
Casa Grande, Arizona, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
2nd January 2025
3rd January 2025
4th January 2025
5th January 2025
6th January 2025
7th January 2025
8th January 2025
9th January 2025
10th January 2025
11th January 2025
12th January 2025
13th January 2025
14th January 2025
15th January 2025
16th January 2025
17th January 2025
18th January 2025
19th January 2025
20th January 2025
21st January 2025
22nd January 2025
23rd January 2025
24th January 2025
25th January 2025
26th January 2025
27th January 2025
28th January 2025
29th January 2025
30th January 2025
31st January 2025
1st February 2025
2nd February 2025
3rd February 2025
4th February 2025
5th February 2025
6th February 2025
7th February 2025
8th February 2025
9th February 2025
10th February 2025
11th February 2025
12th February 2025
13th February 2025
14th February 2025
15th February 2025
16th February 2025
17th February 2025
18th February 2025
19th February 2025
20th February 2025
21st February 2025
22nd February 2025
23rd February 2025
24th February 2025
25th February 2025
26th February 2025
27th February 2025
28th February 2025
1st March 2025
2nd March 2025
3rd March 2025
4th March 2025
5th March 2025
6th March 2025
7th March 2025
8th March 2025
9th March 2025
10th March 2025
11th March 2025
12th March 2025
13th March 2025
14th March 2025
15th March 2025
16th March 2025
17th March 2025
18th March 2025
19th March 2025
20th March 2025
21st March 2025
22nd March 2025
23rd March 2025
24th March 2025
25th March 2025
26th March 2025
35AQI
35AQI
27th March 2025
37AQI
37AQI
28th March 2025
32AQI
32AQI
29th March 2025
44AQI
44AQI
30th March 2025
46AQI
46AQI
31st March 2025
41AQI
41AQI
1st April 2025
45AQI
45AQI
2nd April 2025
56AQI
56AQI
3rd April 2025
32AQI
32AQI
4th April 2025
26AQI
26AQI
5th April 2025
28AQI
28AQI
6th April 2025
31AQI
31AQI
7th April 2025
33AQI
33AQI
8th April 2025
47AQI
47AQI
9th April 2025
46AQI
46AQI
10th April 2025
47AQI
47AQI
11th April 2025
50AQI
50AQI
12th April 2025
46AQI
46AQI
13th April 2025
41AQI
41AQI
14th April 2025
43AQI
43AQI
15th April 2025
45AQI
45AQI
16th April 2025
35AQI
35AQI
17th April 2025
32AQI
32AQI
18th April 2025
36AQI
36AQI
19th April 2025
83AQI
83AQI
20th April 2025
30AQI
30AQI
21st April 2025
34AQI
34AQI
22nd April 2025
35AQI
35AQI
23rd April 2025
35AQI
35AQI
24th April 2025
28AQI
28AQI
25th April 2025
34AQI
34AQI
26th April 2025
35AQI
35AQI
27th April 2025
29AQI
29AQI
28th April 2025
31AQI
31AQI
29th April 2025
37AQI
37AQI
30th April 2025
32AQI
32AQI
1st May 2025
35AQI
35AQI
2nd May 2025
40AQI
40AQI
3rd May 2025
37AQI
37AQI
4th May 2025
41AQI
41AQI
5th May 2025
37AQI
37AQI
6th May 2025
28AQI
28AQI
7th May 2025
29AQI
29AQI
8th May 2025
36AQI
36AQI
9th May 2025
36AQI
36AQI
10th May 2025
52AQI
52AQI
11th May 2025
47AQI
47AQI
12th May 2025
47AQI
47AQI
13th May 2025
36AQI
36AQI
14th May 2025
43AQI
43AQI
15th May 2025
43AQI
43AQI
16th May 2025
43AQI
43AQI
17th May 2025
42AQI
42AQI
18th May 2025
45AQI
45AQI
19th May 2025
45AQI
45AQI
20th May 2025
45AQI
45AQI
21st May 2025
46AQI
46AQI
22nd May 2025
54AQI
54AQI
23rd May 2025
50AQI
50AQI
24th May 2025
44AQI
44AQI
25th May 2025
44AQI
44AQI
26th May 2025
46AQI
46AQI
27th May 2025
47AQI
47AQI
28th May 2025
50AQI
50AQI
29th May 2025
50AQI
50AQI
30th May 2025
48AQI
48AQI
31st May 2025
54AQI
54AQI
1st June 2025
49AQI
49AQI
2nd June 2025
32AQI
32AQI
3rd June 2025
32AQI
32AQI
4th June 2025
27AQI
27AQI
5th June 2025
27AQI
27AQI
6th June 2025
32AQI
32AQI
7th June 2025
38AQI
38AQI
8th June 2025
36AQI
36AQI
9th June 2025
38AQI
38AQI
10th June 2025
38AQI
38AQI
11th June 2025
44AQI
44AQI
12th June 2025
51AQI
51AQI
13th June 2025
44AQI
44AQI
14th June 2025
46AQI
46AQI
15th June 2025
42AQI
42AQI
16th June 2025
48AQI
48AQI
17th June 2025
54AQI
54AQI
18th June 2025
57AQI
57AQI
19th June 2025
55AQI
55AQI
20th June 2025
49AQI
49AQI
21st June 2025
45AQI
45AQI
22nd June 2025
45AQI
45AQI
23rd June 2025
43AQI
43AQI
24th June 2025
44AQI
44AQI
25th June 2025
44AQI
44AQI
26th June 2025
45AQI
45AQI
27th June 2025
43AQI
43AQI
28th June 2025
40AQI
40AQI
29th June 2025
41AQI
41AQI
30th June 2025
45AQI
45AQI
1st July 2025
98AQI
98AQI
2nd July 2025
93AQI
93AQI
3rd July 2025
76AQI
76AQI
4th July 2025
43AQI
43AQI
5th July 2025
50AQI
50AQI
6th July 2025
49AQI
49AQI
7th July 2025
47AQI
47AQI
8th July 2025
54AQI
54AQI
9th July 2025
44AQI
44AQI
10th July 2025
45AQI
45AQI
11th July 2025
50AQI
50AQI
12th July 2025
50AQI
50AQI
13th July 2025
46AQI
46AQI
14th July 2025
47AQI
47AQI
15th July 2025
46AQI
46AQI
16th July 2025
63AQI
63AQI
17th July 2025
33AQI
33AQI
18th July 2025
35AQI
35AQI
19th July 2025
38AQI
38AQI
20th July 2025
38AQI
38AQI
21st July 2025
52AQI
52AQI
22nd July 2025
35AQI
35AQI
23rd July 2025
30AQI
30AQI
24th July 2025
36AQI
36AQI
25th July 2025
29AQI
29AQI
26th July 2025
28AQI
28AQI
27th July 2025
30AQI
30AQI
28th July 2025
36AQI
36AQI
29th July 2025
37AQI
37AQI
30th July 2025
42AQI
42AQI
31st July 2025
62AQI
62AQI
1st August 2025
54AQI
54AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
43AQI
43AQI
4th August 2025
52AQI
52AQI
5th August 2025
53AQI
53AQI
6th August 2025
52AQI
52AQI
7th August 2025
53AQI
53AQI
8th August 2025
50AQI
50AQI
9th August 2025
66AQI
66AQI
10th August 2025
77AQI
77AQI
11th August 2025
62AQI
62AQI
12th August 2025
63AQI
63AQI
13th August 2025
61AQI
61AQI
14th August 2025
138AQI
138AQI
15th August 2025
48AQI
48AQI
16th August 2025
36AQI
36AQI
17th August 2025
38AQI
38AQI
18th August 2025
33AQI
33AQI
19th August 2025
35AQI
35AQI
20th August 2025
45AQI
45AQI
21st August 2025
85AQI
85AQI
22nd August 2025
74AQI
74AQI
23rd August 2025
54AQI
54AQI
24th August 2025
55AQI
55AQI
25th August 2025
74AQI
74AQI
26th August 2025
38AQI
38AQI
27th August 2025
34AQI
34AQI
28th August 2025
38AQI
38AQI
29th August 2025
35AQI
35AQI
30th August 2025
27AQI
27AQI
31st August 2025
35AQI
35AQI
1st September 2025
144AQI
144AQI
2nd September 2025
50AQI
50AQI
3rd September 2025
63AQI
63AQI
4th September 2025
72AQI
72AQI
5th September 2025
36AQI
36AQI
6th September 2025
28AQI
28AQI
7th September 2025
24AQI
24AQI
8th September 2025
27AQI
27AQI
9th September 2025
35AQI
35AQI
10th September 2025
52AQI
52AQI
11th September 2025
32AQI
32AQI
12th September 2025
30AQI
30AQI
13th September 2025
28AQI
28AQI
14th September 2025
35AQI
35AQI
15th September 2025
35AQI
35AQI
16th September 2025
40AQI
40AQI
17th September 2025
50AQI
50AQI
18th September 2025
33AQI
33AQI
19th September 2025
44AQI
44AQI
20th September 2025
30AQI
30AQI
21st September 2025
36AQI
36AQI
22nd September 2025
29AQI
29AQI
23rd September 2025
36AQI
36AQI
24th September 2025
38AQI
38AQI
25th September 2025
33AQI
33AQI
26th September 2025
27AQI
27AQI
27th September 2025
13AQI
13AQI
28th September 2025
24AQI
24AQI
29th September 2025
26AQI
26AQI
30th September 2025
28AQI
28AQI
1st October 2025
33AQI
33AQI
2nd October 2025
37AQI
37AQI
3rd October 2025
42AQI
42AQI
4th October 2025
44AQI
44AQI
5th October 2025
46AQI
46AQI
6th October 2025
51AQI
51AQI
7th October 2025
48AQI
48AQI
8th October 2025
48AQI
48AQI
9th October 2025
36AQI
36AQI
10th October 2025
30AQI
30AQI
11th October 2025
19AQI
19AQI
12th October 2025
20AQI
20AQI
13th October 2025
21AQI
21AQI
14th October 2025
30AQI
30AQI
15th October 2025
23AQI
23AQI
16th October 2025
25AQI
25AQI
17th October 2025
29AQI
29AQI
18th October 2025
37AQI
37AQI
19th October 2025
26AQI
26AQI
20th October 2025
34AQI
34AQI
21st October 2025
41AQI
41AQI
22nd October 2025
49AQI
49AQI
23rd October 2025
34AQI
34AQI
24th October 2025
38AQI
38AQI
25th October 2025
32AQI
32AQI
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
39AQI
39AQI
43AQI
42AQI
47AQI
53AQI
39AQI
35AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202543AQI
6
28
2
28
3
26
4
24
7
15
15
1
26
3
1
24
1
177
35
2
Highest AQI recorded in
August53AQI
Lowest AQI recorded in
October35AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
43AQILeast Polluted Year Recorded
2025(Avg.)
43AQICasa Grande's annual 2025 AQI (43) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
