San Tan Valley, 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
San Tan Valley, Arizona, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
22nd Oct 2025
46AQILowest AQI recorded on
11th Oct 2025
18AQISame Day Analysis (30th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 38 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 30th Oct - 31st Oct 2025
San Tan Valley, Arizona, United States
AQI
Day
Night
.
6 AM30th Oct 2025
5 PM
5 AM31st Oct 2025
Day time
Avg. Highest Time
9AM30th Oct
62AQI
Avg. Lowest Time
2PM30th Oct
35AQI
Night time
Avg. Highest Time
9PM30th Oct
56AQI
Avg. Lowest Time
5AM31st Oct
25AQI
In the last 24 hours,
San Tan Valley's AQI reached its highest point of 62 at 9 AM during the Day, while the lowest point, 25, was recorded at 5 AM during the Night between 30th Oct and 31st Oct 2025.
Day & Night AQI Trend : Oct 2025
San Tan Valley, Arizona, United States
Oct
01st - 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 - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st
Day
Night
1st Oct 2025186 AMAQI
1st Oct 2025197 AMAQI
1st Oct 2025298 AMAQI
1st Oct 2025359 AMAQI
1st Oct 20253010 AMAQI
1st Oct 20252411 AMAQI
1st Oct 20252212 PMAQI
1st Oct 2025181 PMAQI
1st Oct 2025182 PMAQI
1st Oct 2025223 PMAQI
1st Oct 202594 PMAQI
1st Oct 2025145 PMAQI
1st Oct 2025146 PMAQI
1st Oct 2025207 PMAQI
1st Oct 2025238 PMAQI
1st Oct 2025209 PMAQI
1st Oct 20252910 PMAQI
1st Oct 20253111 PMAQI
2nd Oct 20253212 AMAQI
2nd Oct 2025321 AMAQI
2nd Oct 2025232 AMAQI
2nd Oct 2025173 AMAQI
2nd Oct 2025144 AMAQI
2nd Oct 2025175 AMAQI
29°C22/37°C
2nd Oct 2025196 AMAQI
2nd Oct 2025227 AMAQI
2nd Oct 2025248 AMAQI
2nd Oct 2025279 AMAQI
2nd Oct 20252510 AMAQI
2nd Oct 20252711 AMAQI
2nd Oct 20253512 PMAQI
2nd Oct 2025231 PMAQI
2nd Oct 2025222 PMAQI
2nd Oct 2025173 PMAQI
2nd Oct 2025284 PMAQI
2nd Oct 2025245 PMAQI
2nd Oct 2025276 PMAQI
2nd Oct 2025297 PMAQI
2nd Oct 2025258 PMAQI
2nd Oct 2025369 PMAQI
2nd Oct 20253610 PMAQI
2nd Oct 20253911 PMAQI
3rd Oct 20253812 AMAQI
3rd Oct 2025291 AMAQI
3rd Oct 2025252 AMAQI
3rd Oct 2025183 AMAQI
3rd Oct 2025194 AMAQI
3rd Oct 2025275 AMAQI
30°C21/40°C
3rd Oct 2025266 AMAQI
3rd Oct 2025267 AMAQI
3rd Oct 2025328 AMAQI
3rd Oct 2025439 AMAQI
3rd Oct 20254310 AMAQI
3rd Oct 20253711 AMAQI
3rd Oct 20253312 PMAQI
3rd Oct 2025331 PMAQI
3rd Oct 2025232 PMAQI
3rd Oct 2025303 PMAQI
3rd Oct 2025334 PMAQI
3rd Oct 2025235 PMAQI
3rd Oct 2025316 PMAQI
3rd Oct 2025367 PMAQI
3rd Oct 2025398 PMAQI
3rd Oct 2025409 PMAQI
3rd Oct 20253410 PMAQI
3rd Oct 20253511 PMAQI
4th Oct 20252812 AMAQI
4th Oct 2025211 AMAQI
4th Oct 2025292 AMAQI
4th Oct 2025293 AMAQI
4th Oct 2025304 AMAQI
4th Oct 2025365 AMAQI
30°C22/40°C
4th Oct 2025466 AMAQI
4th Oct 2025427 AMAQI
4th Oct 2025448 AMAQI
4th Oct 2025569 AMAQI
4th Oct 20256510 AMAQI
4th Oct 20256811 AMAQI
4th Oct 20256412 PMAQI
4th Oct 2025571 PMAQI
4th Oct 2025532 PMAQI
4th Oct 2025413 PMAQI
4th Oct 2025334 PMAQI
4th Oct 2025265 PMAQI
4th Oct 2025306 PMAQI
4th Oct 2025367 PMAQI
4th Oct 2025418 PMAQI
4th Oct 2025439 PMAQI
4th Oct 20254410 PMAQI
4th Oct 20254811 PMAQI
5th Oct 20255212 AMAQI
5th Oct 2025451 AMAQI
5th Oct 2025432 AMAQI
5th Oct 2025383 AMAQI
5th Oct 2025364 AMAQI
5th Oct 2025375 AMAQI
26°C21/33°C
5th Oct 2025376 AMAQI
5th Oct 2025337 AMAQI
5th Oct 2025368 AMAQI
5th Oct 2025369 AMAQI
5th Oct 20253710 AMAQI
5th Oct 20254111 AMAQI
5th Oct 20253712 PMAQI
5th Oct 2025301 PMAQI
5th Oct 2025262 PMAQI
5th Oct 2025273 PMAQI
5th Oct 2025264 PMAQI
5th Oct 2025295 PMAQI
5th Oct 2025256 PMAQI
5th Oct 2025307 PMAQI
5th Oct 2025288 PMAQI
5th Oct 2025389 PMAQI
5th Oct 20253910 PMAQI
5th Oct 20253911 PMAQI
6th Oct 20254012 AMAQI
6th Oct 2025321 AMAQI
6th Oct 2025272 AMAQI
6th Oct 2025263 AMAQI
6th Oct 2025234 AMAQI
6th Oct 2025265 AMAQI
24°C16/32°C
6th Oct 2025226 AMAQI
6th Oct 2025267 AMAQI
6th Oct 2025398 AMAQI
6th Oct 2025489 AMAQI
6th Oct 20254810 AMAQI
7th Oct 2025434 AMAQI
7th Oct 2025455 AMAQI
25°C16/36°C
7th Oct 2025436 AMAQI
7th Oct 2025367 AMAQI
7th Oct 2025508 AMAQI
7th Oct 2025589 AMAQI
7th Oct 20255410 AMAQI
7th Oct 20254611 AMAQI
7th Oct 20254612 PMAQI
7th Oct 2025411 PMAQI
7th Oct 2025352 PMAQI
7th Oct 2025273 PMAQI
7th Oct 2025254 PMAQI
7th Oct 2025165 PMAQI
7th Oct 2025196 PMAQI
7th Oct 2025277 PMAQI
7th Oct 2025328 PMAQI
7th Oct 2025389 PMAQI
7th Oct 20254210 PMAQI
7th Oct 20254311 PMAQI
8th Oct 20254712 AMAQI
8th Oct 2025351 AMAQI
8th Oct 2025292 AMAQI
8th Oct 2025233 AMAQI
8th Oct 2025194 AMAQI
8th Oct 2025205 AMAQI
27°C17/38°C
8th Oct 2025226 AMAQI
8th Oct 2025247 AMAQI
8th Oct 2025388 AMAQI
8th Oct 2025449 AMAQI
8th Oct 20254810 AMAQI
8th Oct 20255011 AMAQI
8th Oct 20255112 PMAQI
8th Oct 2025341 PMAQI
8th Oct 2025262 PMAQI
8th Oct 2025233 PMAQI
8th Oct 2025204 PMAQI
8th Oct 2025165 PMAQI
8th Oct 2025126 PMAQI
8th Oct 2025157 PMAQI
8th Oct 2025158 PMAQI
8th Oct 2025169 PMAQI
8th Oct 20255410 PMAQI
8th Oct 20253411 PMAQI
9th Oct 20252212 AMAQI
9th Oct 2025161 AMAQI
9th Oct 2025172 AMAQI
9th Oct 2025183 AMAQI
9th Oct 2025224 AMAQI
9th Oct 2025235 AMAQI
29°C20/39°C
9th Oct 2025256 AMAQI
9th Oct 2025267 AMAQI
9th Oct 2025318 AMAQI
9th Oct 2025409 AMAQI
9th Oct 20254310 AMAQI
9th Oct 20253911 AMAQI
9th Oct 20253512 PMAQI
9th Oct 2025341 PMAQI
9th Oct 2025382 PMAQI
9th Oct 2025453 PMAQI
9th Oct 2025334 PMAQI
9th Oct 2025255 PMAQI
9th Oct 2025226 PMAQI
9th Oct 2025187 PMAQI
9th Oct 2025188 PMAQI
9th Oct 2025179 PMAQI
9th Oct 20251410 PMAQI
9th Oct 20251311 PMAQI
10th Oct 20251812 AMAQI
10th Oct 2025141 AMAQI
10th Oct 2025122 AMAQI
10th Oct 2025133 AMAQI
10th Oct 2025104 AMAQI
10th Oct 2025175 AMAQI
30°C23/37°C
10th Oct 2025106 AMAQI
10th Oct 2025177 AMAQI
10th Oct 2025218 AMAQI
10th Oct 2025279 AMAQI
10th Oct 20252910 AMAQI
10th Oct 20252911 AMAQI
10th Oct 20252512 PMAQI
10th Oct 2025231 PMAQI
10th Oct 2025202 PMAQI
10th Oct 2025183 PMAQI
10th Oct 2025204 PMAQI
10th Oct 2025205 PMAQI
10th Oct 2025216 PMAQI
10th Oct 2025227 PMAQI
10th Oct 2025258 PMAQI
10th Oct 2025319 PMAQI
10th Oct 20252710 PMAQI
10th Oct 20252311 PMAQI
11th Oct 20252512 AMAQI
11th Oct 2025301 AMAQI
11th Oct 2025262 AMAQI
11th Oct 2025183 AMAQI
11th Oct 2025174 AMAQI
11th Oct 2025215 AMAQI
29°C24/39°C
11th Oct 2025146 AMAQI
11th Oct 2025177 AMAQI
11th Oct 2025168 AMAQI
11th Oct 2025159 AMAQI
11th Oct 20251610 AMAQI
11th Oct 20251411 AMAQI
11th Oct 20251112 PMAQI
11th Oct 202591 PMAQI
11th Oct 2025102 PMAQI
11th Oct 202583 PMAQI
11th Oct 202574 PMAQI
11th Oct 202575 PMAQI
11th Oct 202576 PMAQI
11th Oct 202597 PMAQI
11th Oct 2025198 PMAQI
11th Oct 2025279 PMAQI
11th Oct 20252810 PMAQI
11th Oct 20252711 PMAQI
12th Oct 20251812 AMAQI
12th Oct 2025231 AMAQI
12th Oct 2025112 AMAQI
12th Oct 2025123 AMAQI
12th Oct 2025214 AMAQI
12th Oct 2025305 AMAQI
24°C20/28°C
12th Oct 2025276 AMAQI
12th Oct 2025167 AMAQI
12th Oct 2025138 AMAQI
12th Oct 2025109 AMAQI
12th Oct 20251410 AMAQI
12th Oct 20252211 AMAQI
12th Oct 20251912 PMAQI
12th Oct 2025251 PMAQI
12th Oct 2025152 PMAQI
12th Oct 2025243 PMAQI
12th Oct 2025324 PMAQI
12th Oct 2025165 PMAQI
12th Oct 2025386 PMAQI
12th Oct 2025227 PMAQI
12th Oct 2025178 PMAQI
12th Oct 2025219 PMAQI
12th Oct 20251810 PMAQI
12th Oct 20252311 PMAQI
13th Oct 20251312 AMAQI
13th Oct 202581 AMAQI
13th Oct 2025192 AMAQI
13th Oct 2025273 AMAQI
13th Oct 2025264 AMAQI
13th Oct 2025205 AMAQI
23°C21/27°C
13th Oct 2025186 AMAQI
13th Oct 2025217 AMAQI
13th Oct 2025208 AMAQI
13th Oct 2025179 AMAQI
13th Oct 20252110 AMAQI
13th Oct 20252411 AMAQI
13th Oct 20252212 PMAQI
13th Oct 2025181 PMAQI
13th Oct 2025262 PMAQI
13th Oct 2025343 PMAQI
13th Oct 2025274 PMAQI
13th Oct 2025155 PMAQI
13th Oct 2025136 PMAQI
13th Oct 2025207 PMAQI
13th Oct 2025188 PMAQI
13th Oct 2025149 PMAQI
13th Oct 20252210 PMAQI
13th Oct 20252911 PMAQI
14th Oct 20253412 AMAQI
14th Oct 2025401 AMAQI
14th Oct 2025382 AMAQI
14th Oct 2025283 AMAQI
14th Oct 2025294 AMAQI
14th Oct 2025275 AMAQI
23°C21/28°C
14th Oct 2025256 AMAQI
14th Oct 2025247 AMAQI
14th Oct 2025208 AMAQI
14th Oct 2025199 AMAQI
14th Oct 20252010 AMAQI
14th Oct 20252611 AMAQI
14th Oct 20253212 PMAQI
14th Oct 2025261 PMAQI
14th Oct 202582 PMAQI
14th Oct 2025143 PMAQI
14th Oct 2025284 PMAQI
14th Oct 2025315 PMAQI
14th Oct 2025316 PMAQI
14th Oct 2025267 PMAQI
14th Oct 2025298 PMAQI
14th Oct 2025339 PMAQI
14th Oct 20252510 PMAQI
14th Oct 20252511 PMAQI
15th Oct 20252712 AMAQI
15th Oct 2025261 AMAQI
15th Oct 2025232 AMAQI
15th Oct 2025223 AMAQI
15th Oct 2025224 AMAQI
15th Oct 2025215 AMAQI
24°C19/32°C
15th Oct 2025216 AMAQI
15th Oct 2025197 AMAQI
15th Oct 2025218 AMAQI
15th Oct 2025269 AMAQI
15th Oct 20252410 AMAQI
15th Oct 20253211 AMAQI
15th Oct 20253612 PMAQI
15th Oct 2025181 PMAQI
15th Oct 2025162 PMAQI
15th Oct 2025173 PMAQI
15th Oct 2025154 PMAQI
15th Oct 2025195 PMAQI
15th Oct 2025216 PMAQI
15th Oct 2025197 PMAQI
15th Oct 2025218 PMAQI
15th Oct 2025229 PMAQI
15th Oct 20253810 PMAQI
15th Oct 20253611 PMAQI
16th Oct 20253412 AMAQI
16th Oct 2025241 AMAQI
16th Oct 2025232 AMAQI
16th Oct 2025213 AMAQI
16th Oct 2025204 AMAQI
16th Oct 2025205 AMAQI
21°C16/28°C
16th Oct 2025266 AMAQI
16th Oct 2025247 AMAQI
16th Oct 2025278 AMAQI
16th Oct 2025329 AMAQI
16th Oct 20253510 AMAQI
16th Oct 20252811 AMAQI
16th Oct 20252612 PMAQI
16th Oct 2025181 PMAQI
16th Oct 2025212 PMAQI
16th Oct 2025173 PMAQI
16th Oct 2025244 PMAQI
16th Oct 2025185 PMAQI
16th Oct 2025256 PMAQI
16th Oct 2025307 PMAQI
16th Oct 2025218 PMAQI
16th Oct 2025229 PMAQI
16th Oct 20253910 PMAQI
16th Oct 20254311 PMAQI
17th Oct 20253012 AMAQI
17th Oct 2025371 AMAQI
17th Oct 2025372 AMAQI
17th Oct 2025303 AMAQI
17th Oct 2025214 AMAQI
17th Oct 2025245 AMAQI
20°C14/28°C
17th Oct 2025206 AMAQI
17th Oct 2025297 AMAQI
17th Oct 2025368 AMAQI
17th Oct 2025349 AMAQI
17th Oct 20253710 AMAQI
17th Oct 20253911 AMAQI
17th Oct 20253812 PMAQI
17th Oct 2025311 PMAQI
17th Oct 2025242 PMAQI
17th Oct 2025243 PMAQI
17th Oct 2025204 PMAQI
17th Oct 2025195 PMAQI
17th Oct 2025186 PMAQI
17th Oct 2025217 PMAQI
17th Oct 2025258 PMAQI
17th Oct 2025419 PMAQI
17th Oct 20254210 PMAQI
17th Oct 20254311 PMAQI
18th Oct 20255012 AMAQI
18th Oct 2025361 AMAQI
18th Oct 2025272 AMAQI
18th Oct 2025293 AMAQI
18th Oct 2025444 AMAQI
18th Oct 2025525 AMAQI
20°C13/29°C
18th Oct 2025526 AMAQI
18th Oct 2025397 AMAQI
18th Oct 2025448 AMAQI
18th Oct 2025559 AMAQI
18th Oct 20255010 AMAQI
18th Oct 20255011 AMAQI
18th Oct 20254712 PMAQI
18th Oct 2025251 PMAQI
18th Oct 2025252 PMAQI
18th Oct 2025183 PMAQI
18th Oct 2025254 PMAQI
18th Oct 2025275 PMAQI
18th Oct 2025306 PMAQI
18th Oct 2025287 PMAQI
18th Oct 2025258 PMAQI
18th Oct 2025319 PMAQI
18th Oct 20253410 PMAQI
18th Oct 20253511 PMAQI
19th Oct 20253212 AMAQI
19th Oct 2025301 AMAQI
19th Oct 2025242 AMAQI
19th Oct 2025223 AMAQI
19th Oct 2025204 AMAQI
19th Oct 2025155 AMAQI
21°C13/30°C
19th Oct 2025156 AMAQI
19th Oct 2025147 AMAQI
19th Oct 2025198 AMAQI
19th Oct 2025259 AMAQI
19th Oct 20252710 AMAQI
19th Oct 20253911 AMAQI
19th Oct 20252112 PMAQI
19th Oct 2025151 PMAQI
19th Oct 202582 PMAQI
19th Oct 2025183 PMAQI
19th Oct 2025234 PMAQI
19th Oct 2025155 PMAQI
19th Oct 2025166 PMAQI
19th Oct 2025207 PMAQI
19th Oct 2025268 PMAQI
19th Oct 2025309 PMAQI
19th Oct 20253010 PMAQI
19th Oct 20252711 PMAQI
20th Oct 20252212 AMAQI
20th Oct 2025311 AMAQI
20th Oct 2025552 AMAQI
20th Oct 2025403 AMAQI
20th Oct 2025204 AMAQI
20th Oct 2025135 AMAQI
23°C14/33°C
20th Oct 2025156 AMAQI
20th Oct 2025127 AMAQI
20th Oct 2025158 AMAQI
20th Oct 2025229 AMAQI
20th Oct 20252010 AMAQI
20th Oct 20252011 AMAQI
20th Oct 20251912 PMAQI
20th Oct 2025141 PMAQI
20th Oct 2025142 PMAQI
20th Oct 2025303 PMAQI
20th Oct 2025164 PMAQI
20th Oct 2025215 PMAQI
20th Oct 2025216 PMAQI
20th Oct 2025267 PMAQI
20th Oct 2025208 PMAQI
20th Oct 2025289 PMAQI
20th Oct 20253910 PMAQI
20th Oct 20256511 PMAQI
21st Oct 20256412 AMAQI
21st Oct 2025501 AMAQI
21st Oct 2025202 AMAQI
21st Oct 2025203 AMAQI
21st Oct 2025194 AMAQI
21st Oct 2025335 AMAQI
23°C14/32°C
21st Oct 2025236 AMAQI
21st Oct 2025357 AMAQI
21st Oct 2025348 AMAQI
21st Oct 2025389 AMAQI
21st Oct 20254110 AMAQI
21st Oct 20255311 AMAQI
21st Oct 20254312 PMAQI
21st Oct 2025321 PMAQI
21st Oct 2025262 PMAQI
21st Oct 2025263 PMAQI
21st Oct 2025324 PMAQI
21st Oct 2025285 PMAQI
21st Oct 2025336 PMAQI
21st Oct 2025317 PMAQI
21st Oct 2025348 PMAQI
21st Oct 2025409 PMAQI
21st Oct 20254110 PMAQI
21st Oct 20254511 PMAQI
22nd Oct 20255712 AMAQI
22nd Oct 2025571 AMAQI
22nd Oct 2025552 AMAQI
22nd Oct 2025533 AMAQI
22nd Oct 2025564 AMAQI
22nd Oct 2025535 AMAQI
24°C14/35°C
22nd Oct 2025486 AMAQI
22nd Oct 2025527 AMAQI
22nd Oct 2025508 AMAQI
22nd Oct 2025549 AMAQI
22nd Oct 20255710 AMAQI
22nd Oct 20255111 AMAQI
22nd Oct 20255412 PMAQI
22nd Oct 2025611 PMAQI
22nd Oct 2025572 PMAQI
22nd Oct 2025403 PMAQI
22nd Oct 2025284 PMAQI
22nd Oct 2025345 PMAQI
22nd Oct 2025326 PMAQI
22nd Oct 2025237 PMAQI
22nd Oct 2025238 PMAQI
22nd Oct 2025359 PMAQI
22nd Oct 20254410 PMAQI
22nd Oct 20254111 PMAQI
23rd Oct 20253212 AMAQI
23rd Oct 2025281 AMAQI
23rd Oct 2025192 AMAQI
23rd Oct 2025193 AMAQI
23rd Oct 2025194 AMAQI
23rd Oct 2025195 AMAQI
26°C19/35°C
23rd Oct 2025216 AMAQI
23rd Oct 2025247 AMAQI
23rd Oct 2025288 AMAQI
23rd Oct 2025379 AMAQI
23rd Oct 20254010 AMAQI
23rd Oct 20253411 AMAQI
23rd Oct 20253912 PMAQI
23rd Oct 2025401 PMAQI
23rd Oct 2025402 PMAQI
23rd Oct 2025343 PMAQI
23rd Oct 2025284 PMAQI
23rd Oct 2025265 PMAQI
23rd Oct 2025256 PMAQI
23rd Oct 2025297 PMAQI
23rd Oct 2025398 PMAQI
23rd Oct 2025459 PMAQI
23rd Oct 20254610 PMAQI
23rd Oct 20254511 PMAQI
24th Oct 20254312 AMAQI
24th Oct 2025391 AMAQI
24th Oct 2025362 AMAQI
24th Oct 2025363 AMAQI
24th Oct 2025324 AMAQI
24th Oct 2025285 AMAQI
22°C15/30°C
24th Oct 2025276 AMAQI
24th Oct 2025277 AMAQI
24th Oct 2025338 AMAQI
24th Oct 2025459 AMAQI
24th Oct 20253910 AMAQI
24th Oct 20253911 AMAQI
24th Oct 20255512 PMAQI
24th Oct 2025571 PMAQI
24th Oct 2025562 PMAQI
24th Oct 2025473 PMAQI
24th Oct 2025364 PMAQI
24th Oct 2025335 PMAQI
24th Oct 2025316 PMAQI
24th Oct 2025347 PMAQI
24th Oct 2025368 PMAQI
24th Oct 2025399 PMAQI
24th Oct 20254110 PMAQI
24th Oct 20254111 PMAQI
25th Oct 20253912 AMAQI
25th Oct 2025371 AMAQI
25th Oct 2025312 AMAQI
25th Oct 2025263 AMAQI
25th Oct 2025244 AMAQI
25th Oct 2025255 AMAQI
21°C14/30°C
25th Oct 2025306 AMAQI
25th Oct 2025237 AMAQI
25th Oct 2025228 AMAQI
25th Oct 2025459 AMAQI
25th Oct 20253010 AMAQI
25th Oct 20253011 AMAQI
25th Oct 20253012 PMAQI
25th Oct 2025391 PMAQI
25th Oct 2025282 PMAQI
25th Oct 2025263 PMAQI
25th Oct 2025194 PMAQI
25th Oct 2025175 PMAQI
25th Oct 2025246 PMAQI
25th Oct 2025387 PMAQI
25th Oct 2025358 PMAQI
25th Oct 2025419 PMAQI
25th Oct 20254610 PMAQI
25th Oct 20253811 PMAQI
26th Oct 20252912 AMAQI
26th Oct 2025301 AMAQI
26th Oct 2025322 AMAQI
26th Oct 2025283 AMAQI
26th Oct 2025264 AMAQI
26th Oct 2025265 AMAQI
22°C14/32°C
26th Oct 2025286 AMAQI
26th Oct 2025177 AMAQI
26th Oct 2025248 AMAQI
26th Oct 2025209 AMAQI
26th Oct 20255810 AMAQI
26th Oct 20254811 AMAQI
26th Oct 20253512 PMAQI
26th Oct 2025171 PMAQI
26th Oct 2025242 PMAQI
26th Oct 2025203 PMAQI
26th Oct 2025224 PMAQI
26th Oct 2025195 PMAQI
26th Oct 2025166 PMAQI
26th Oct 2025167 PMAQI
26th Oct 2025178 PMAQI
26th Oct 2025219 PMAQI
26th Oct 20252810 PMAQI
26th Oct 20252711 PMAQI
27th Oct 20252212 AMAQI
27th Oct 2025181 AMAQI
27th Oct 2025162 AMAQI
27th Oct 2025173 AMAQI
27th Oct 2025184 AMAQI
27th Oct 2025205 AMAQI
22°C14/32°C
27th Oct 2025216 AMAQI
27th Oct 2025237 AMAQI
27th Oct 2025258 AMAQI
27th Oct 2025409 AMAQI
27th Oct 20255310 AMAQI
27th Oct 20253911 AMAQI
27th Oct 20255112 PMAQI
27th Oct 2025501 PMAQI
27th Oct 2025552 PMAQI
27th Oct 2025533 PMAQI
27th Oct 2025524 PMAQI
27th Oct 2025445 PMAQI
27th Oct 2025256 PMAQI
27th Oct 2025257 PMAQI
27th Oct 2025288 PMAQI
27th Oct 2025369 PMAQI
27th Oct 20253510 PMAQI
27th Oct 20253411 PMAQI
28th Oct 20252812 AMAQI
28th Oct 2025261 AMAQI
28th Oct 2025302 AMAQI
28th Oct 2025233 AMAQI
28th Oct 2025214 AMAQI
28th Oct 2025225 AMAQI
23°C15/33°C
28th Oct 2025246 AMAQI
28th Oct 2025237 AMAQI
28th Oct 2025318 AMAQI
28th Oct 2025499 AMAQI
28th Oct 20255610 AMAQI
28th Oct 20255311 AMAQI
28th Oct 20255212 PMAQI
28th Oct 2025521 PMAQI
28th Oct 2025592 PMAQI
28th Oct 2025533 PMAQI
28th Oct 2025484 PMAQI
28th Oct 2025385 PMAQI
28th Oct 2025146 PMAQI
28th Oct 2025157 PMAQI
28th Oct 2025158 PMAQI
28th Oct 2025189 PMAQI
28th Oct 20251610 PMAQI
28th Oct 20252411 PMAQI
29th Oct 20251812 AMAQI
29th Oct 2025191 AMAQI
29th Oct 2025162 AMAQI
29th Oct 2025173 AMAQI
29th Oct 2025164 AMAQI
29th Oct 2025215 AMAQI
24°C15/36°C
29th Oct 2025336 AMAQI
29th Oct 2025307 AMAQI
29th Oct 2025378 AMAQI
29th Oct 2025559 AMAQI
29th Oct 20255710 AMAQI
29th Oct 20255411 AMAQI
29th Oct 20255012 PMAQI
29th Oct 2025411 PMAQI
29th Oct 2025332 PMAQI
29th Oct 2025363 PMAQI
29th Oct 2025364 PMAQI
29th Oct 2025365 PMAQI
29th Oct 2025306 PMAQI
29th Oct 2025227 PMAQI
29th Oct 2025218 PMAQI
29th Oct 2025219 PMAQI
29th Oct 20252510 PMAQI
29th Oct 20252011 PMAQI
30th Oct 20252212 AMAQI
30th Oct 2025211 AMAQI
30th Oct 2025222 AMAQI
30th Oct 2025243 AMAQI
30th Oct 2025264 AMAQI
30th Oct 2025285 AMAQI
25°C17/35°C
30th Oct 2025356 AMAQI
30th Oct 2025387 AMAQI
30th Oct 2025488 AMAQI
30th Oct 2025629 AMAQI
30th Oct 20255710 AMAQI
30th Oct 20254911 AMAQI
30th Oct 20254212 PMAQI
30th Oct 2025351 PMAQI
30th Oct 2025352 PMAQI
30th Oct 2025403 PMAQI
30th Oct 2025464 PMAQI
30th Oct 2025415 PMAQI
30th Oct 2025326 PMAQI
30th Oct 2025417 PMAQI
30th Oct 2025518 PMAQI
30th Oct 2025569 PMAQI
30th Oct 20255410 PMAQI
30th Oct 20255011 PMAQI
31st Oct 20254212 AMAQI
31st Oct 2025331 AMAQI
31st Oct 2025262 AMAQI
31st Oct 2025263 AMAQI
31st Oct 2025254 AMAQI
31st Oct 2025255 AMAQI
20°C11/32°C
31st Oct 2025286 AMAQI
6 AM31st Oct 2025247 AMAQI
31st Oct 2025358 AMAQI
31st Oct 2025509 AMAQI
31st Oct 20255910 AMAQI
31st Oct 20254511 AMAQI
11 AM31st Oct 20254012 PMAQI
31st Oct 2025451 PMAQI
31st Oct 2025412 PMAQI
5 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
10 AM
40AQI
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. 40), while the lowest AQI was between 5 PM to 5 PM (Avg. 24).
Night time
Avg. Highest Time
10 PM - 11 PM
35AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
6 PM
24AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 35), while the lowest AQI was between 6 PM to 6 PM (Avg. 24).
2025 Days Vs Air Quality
San Tan Valley, Arizona, United States
2025
83%
181
16%
35
0.9%
2
0.4%
1
Total number of days with different AQI categories in last 304 days in 2025 (61 days remaining)
Good
181 DaysModerate
35 DaysPoor
2 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 304 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
San Tan Valley, 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
32AQI
32AQI
27th March 2025
36AQI
36AQI
28th March 2025
30AQI
30AQI
29th March 2025
41AQI
41AQI
30th March 2025
44AQI
44AQI
31st March 2025
38AQI
38AQI
1st April 2025
40AQI
40AQI
2nd April 2025
52AQI
52AQI
3rd April 2025
27AQI
27AQI
4th April 2025
25AQI
25AQI
5th April 2025
27AQI
27AQI
6th April 2025
28AQI
28AQI
7th April 2025
31AQI
31AQI
8th April 2025
43AQI
43AQI
9th April 2025
45AQI
45AQI
10th April 2025
44AQI
44AQI
11th April 2025
47AQI
47AQI
12th April 2025
45AQI
45AQI
13th April 2025
40AQI
40AQI
14th April 2025
43AQI
43AQI
15th April 2025
44AQI
44AQI
16th April 2025
34AQI
34AQI
17th April 2025
30AQI
30AQI
18th April 2025
36AQI
36AQI
19th April 2025
62AQI
62AQI
20th April 2025
30AQI
30AQI
21st April 2025
36AQI
36AQI
22nd April 2025
39AQI
39AQI
23rd April 2025
35AQI
35AQI
24th April 2025
30AQI
30AQI
25th April 2025
33AQI
33AQI
26th April 2025
32AQI
32AQI
27th April 2025
26AQI
26AQI
28th April 2025
27AQI
27AQI
29th April 2025
35AQI
35AQI
30th April 2025
30AQI
30AQI
1st May 2025
35AQI
35AQI
2nd May 2025
38AQI
38AQI
3rd May 2025
36AQI
36AQI
4th May 2025
32AQI
32AQI
5th May 2025
29AQI
29AQI
6th May 2025
27AQI
27AQI
7th May 2025
30AQI
30AQI
8th May 2025
38AQI
38AQI
9th May 2025
37AQI
37AQI
10th May 2025
47AQI
47AQI
11th May 2025
46AQI
46AQI
12th May 2025
45AQI
45AQI
13th May 2025
34AQI
34AQI
14th May 2025
40AQI
40AQI
15th May 2025
42AQI
42AQI
16th May 2025
43AQI
43AQI
17th May 2025
39AQI
39AQI
18th May 2025
42AQI
42AQI
19th May 2025
42AQI
42AQI
20th May 2025
44AQI
44AQI
21st May 2025
46AQI
46AQI
22nd May 2025
52AQI
52AQI
23rd May 2025
50AQI
50AQI
24th May 2025
45AQI
45AQI
25th May 2025
43AQI
43AQI
26th May 2025
45AQI
45AQI
27th May 2025
46AQI
46AQI
28th May 2025
48AQI
48AQI
29th May 2025
48AQI
48AQI
30th May 2025
47AQI
47AQI
31st May 2025
54AQI
54AQI
1st June 2025
46AQI
46AQI
2nd June 2025
31AQI
31AQI
3rd June 2025
33AQI
33AQI
4th June 2025
29AQI
29AQI
5th June 2025
29AQI
29AQI
6th June 2025
35AQI
35AQI
7th June 2025
41AQI
41AQI
8th June 2025
38AQI
38AQI
9th June 2025
37AQI
37AQI
10th June 2025
40AQI
40AQI
11th June 2025
47AQI
47AQI
12th June 2025
51AQI
51AQI
13th June 2025
46AQI
46AQI
14th June 2025
44AQI
44AQI
15th June 2025
42AQI
42AQI
16th June 2025
69AQI
69AQI
17th June 2025
55AQI
55AQI
18th June 2025
57AQI
57AQI
19th June 2025
57AQI
57AQI
20th June 2025
53AQI
53AQI
21st June 2025
47AQI
47AQI
22nd June 2025
47AQI
47AQI
23rd June 2025
46AQI
46AQI
24th June 2025
49AQI
49AQI
25th June 2025
48AQI
48AQI
26th June 2025
47AQI
47AQI
27th June 2025
45AQI
45AQI
28th June 2025
41AQI
41AQI
29th June 2025
41AQI
41AQI
30th June 2025
42AQI
42AQI
1st July 2025
104AQI
104AQI
2nd July 2025
87AQI
87AQI
3rd July 2025
69AQI
69AQI
4th July 2025
44AQI
44AQI
5th July 2025
51AQI
51AQI
6th July 2025
49AQI
49AQI
7th July 2025
47AQI
47AQI
8th July 2025
55AQI
55AQI
9th July 2025
43AQI
43AQI
10th July 2025
44AQI
44AQI
11th July 2025
51AQI
51AQI
12th July 2025
51AQI
51AQI
13th July 2025
47AQI
47AQI
14th July 2025
47AQI
47AQI
15th July 2025
45AQI
45AQI
16th July 2025
57AQI
57AQI
17th July 2025
33AQI
33AQI
18th July 2025
35AQI
35AQI
19th July 2025
38AQI
38AQI
20th July 2025
40AQI
40AQI
21st July 2025
50AQI
50AQI
22nd July 2025
34AQI
34AQI
23rd July 2025
29AQI
29AQI
24th July 2025
37AQI
37AQI
25th July 2025
28AQI
28AQI
26th July 2025
27AQI
27AQI
27th July 2025
30AQI
30AQI
28th July 2025
35AQI
35AQI
29th July 2025
38AQI
38AQI
30th July 2025
42AQI
42AQI
31st July 2025
56AQI
56AQI
1st August 2025
51AQI
51AQI
2nd August 2025
40AQI
40AQI
3rd August 2025
44AQI
44AQI
4th August 2025
54AQI
54AQI
5th August 2025
55AQI
55AQI
6th August 2025
55AQI
55AQI
7th August 2025
56AQI
56AQI
8th August 2025
52AQI
52AQI
9th August 2025
70AQI
70AQI
10th August 2025
74AQI
74AQI
11th August 2025
61AQI
61AQI
12th August 2025
62AQI
62AQI
13th August 2025
60AQI
60AQI
14th August 2025
157AQI
157AQI
15th August 2025
48AQI
48AQI
16th August 2025
36AQI
36AQI
17th August 2025
36AQI
36AQI
18th August 2025
32AQI
32AQI
19th August 2025
33AQI
33AQI
20th August 2025
45AQI
45AQI
21st August 2025
79AQI
79AQI
22nd August 2025
84AQI
84AQI
23rd August 2025
53AQI
53AQI
24th August 2025
55AQI
55AQI
25th August 2025
124AQI
124AQI
26th August 2025
40AQI
40AQI
27th August 2025
32AQI
32AQI
28th August 2025
37AQI
37AQI
29th August 2025
32AQI
32AQI
30th August 2025
27AQI
27AQI
31st August 2025
35AQI
35AQI
1st September 2025
69AQI
69AQI
2nd September 2025
47AQI
47AQI
3rd September 2025
60AQI
60AQI
4th September 2025
37AQI
37AQI
5th September 2025
34AQI
34AQI
6th September 2025
28AQI
28AQI
7th September 2025
26AQI
26AQI
8th September 2025
26AQI
26AQI
9th September 2025
37AQI
37AQI
10th September 2025
43AQI
43AQI
11th September 2025
30AQI
30AQI
12th September 2025
28AQI
28AQI
13th September 2025
30AQI
30AQI
14th September 2025
37AQI
37AQI
15th September 2025
36AQI
36AQI
16th September 2025
39AQI
39AQI
17th September 2025
45AQI
45AQI
18th September 2025
34AQI
34AQI
19th September 2025
40AQI
40AQI
20th September 2025
26AQI
26AQI
21st September 2025
33AQI
33AQI
22nd September 2025
30AQI
30AQI
23rd September 2025
36AQI
36AQI
24th September 2025
37AQI
37AQI
25th September 2025
32AQI
32AQI
26th September 2025
26AQI
26AQI
27th September 2025
14AQI
14AQI
28th September 2025
24AQI
24AQI
29th September 2025
25AQI
25AQI
30th September 2025
24AQI
24AQI
1st October 2025
28AQI
28AQI
2nd October 2025
26AQI
26AQI
3rd October 2025
31AQI
31AQI
4th October 2025
40AQI
40AQI
5th October 2025
37AQI
37AQI
6th October 2025
30AQI
30AQI
7th October 2025
38AQI
38AQI
8th October 2025
29AQI
29AQI
9th October 2025
24AQI
24AQI
10th October 2025
20AQI
20AQI
11th October 2025
18AQI
18AQI
12th October 2025
20AQI
20AQI
13th October 2025
20AQI
20AQI
14th October 2025
28AQI
28AQI
15th October 2025
24AQI
24AQI
16th October 2025
26AQI
26AQI
17th October 2025
30AQI
30AQI
18th October 2025
36AQI
36AQI
19th October 2025
23AQI
23AQI
20th October 2025
28AQI
28AQI
21st October 2025
35AQI
35AQI
22nd October 2025
46AQI
46AQI
23rd October 2025
31AQI
31AQI
24th October 2025
38AQI
38AQI
25th October 2025
32AQI
32AQI
26th October 2025
27AQI
27AQI
27th October 2025
30AQI
30AQI
28th October 2025
30AQI
30AQI
29th October 2025
28AQI
28AQI
30th October 2025
38AQI
38AQI
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
37AQI
37AQI
42AQI
44AQI
47AQI
55AQI
34AQI
30AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202541AQI
6
28
2
29
2
24
6
22
8
1
14
15
1
1
28
2
30
181
35
2
1
Highest AQI recorded in
August55AQI
Lowest AQI recorded in
October30AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
41AQILeast Polluted Year Recorded
2025(Avg.)
41AQISan Tan Valley's annual 2025 AQI (41) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
