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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Ontario Mills Parkway, Ontario, California, 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+

July Air Quality Analysis

Ontario Mills Parkway, Ontario, California, United States

2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
5th Jul 2025
96AQI
Lowest AQI recorded on
1st Jul 2026
25AQI

Same Day Analysis (12th July):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 36 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 11th Jul - 12th Jul 2026

Ontario Mills Parkway, Ontario, California, United States

AQI
Day
Night
.

5 AM11th Jul 2026

8 PM

4 AM12th Jul 2026

Day time
Avg. Highest Time
8PM11th Jul

50AQI

Avg. Lowest Time
7AM11th Jul

28AQI

Night time
Avg. Highest Time
9PM11th Jul

40AQI

Avg. Lowest Time
4AM12th Jul

30AQI

In the last 24 hours,

Ontario Mills Parkway's AQI reached its highest point of 50 at 8 PM during the Day, while the lowest point, 28, was recorded at 7 AM during the Day between 11th Jul and 12th Jul 2026.

Day & Night AQI Trend : Jun - Jul 2026

Ontario Mills Parkway, Ontario, California, United States

JunJul
13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th
Day
Night
13th Jun 2026225 AMAQI
13th Jun 2026206 AMAQI
13th Jun 2026267 AMAQI
13th Jun 2026278 AMAQI
13th Jun 2026319 AMAQI
13th Jun 20263710 AMAQI
13th Jun 20263611 AMAQI
13th Jun 20262912 PMAQI
13th Jun 2026271 PMAQI
13th Jun 2026332 PMAQI
13th Jun 2026283 PMAQI
13th Jun 2026284 PMAQI
13th Jun 2026265 PMAQI
13th Jun 2026256 PMAQI
13th Jun 2026267 PMAQI
13th Jun 2026268 PMAQI
13th Jun 2026289 PMAQI
13th Jun 20262810 PMAQI
13th Jun 20262811 PMAQI
14th Jun 20262812 AMAQI
14th Jun 2026241 AMAQI
14th Jun 2026282 AMAQI
14th Jun 2026263 AMAQI
14th Jun 2026284 AMAQI

26°C18/36°C

14th Jun 2026195 AMAQI
14th Jun 2026266 AMAQI
14th Jun 2026247 AMAQI
14th Jun 2026318 AMAQI
14th Jun 2026369 AMAQI
14th Jun 20263110 AMAQI
14th Jun 20263211 AMAQI
14th Jun 20263212 PMAQI
14th Jun 2026321 PMAQI
14th Jun 2026282 PMAQI
14th Jun 2026263 PMAQI
14th Jun 2026224 PMAQI
14th Jun 2026245 PMAQI
14th Jun 2026306 PMAQI
14th Jun 2026317 PMAQI
14th Jun 2026288 PMAQI
14th Jun 2026309 PMAQI
14th Jun 20263010 PMAQI
14th Jun 20262811 PMAQI
15th Jun 20262912 AMAQI
15th Jun 2026261 AMAQI
15th Jun 2026272 AMAQI
15th Jun 2026293 AMAQI
15th Jun 2026304 AMAQI

25°C17/35°C

15th Jun 2026265 AMAQI
15th Jun 2026266 AMAQI
15th Jun 2026327 AMAQI
15th Jun 2026368 AMAQI
15th Jun 2026389 AMAQI
15th Jun 20264410 AMAQI
15th Jun 20264611 AMAQI
15th Jun 20264712 PMAQI
15th Jun 2026461 PMAQI
15th Jun 2026432 PMAQI
15th Jun 2026423 PMAQI
15th Jun 2026464 PMAQI
15th Jun 2026445 PMAQI
15th Jun 2026456 PMAQI
15th Jun 2026407 PMAQI
15th Jun 2026368 PMAQI
15th Jun 2026359 PMAQI
15th Jun 20263210 PMAQI
15th Jun 20263211 PMAQI
16th Jun 20263412 AMAQI
16th Jun 2026291 AMAQI
16th Jun 2026282 AMAQI
16th Jun 2026273 AMAQI
16th Jun 2026264 AMAQI

25°C17/37°C

16th Jun 2026265 AMAQI
16th Jun 2026276 AMAQI
16th Jun 2026267 AMAQI
16th Jun 2026368 AMAQI
16th Jun 2026409 AMAQI
16th Jun 20264610 AMAQI
16th Jun 20264211 AMAQI
16th Jun 20264212 PMAQI
16th Jun 2026371 PMAQI
16th Jun 2026382 PMAQI
16th Jun 2026443 PMAQI
16th Jun 2026424 PMAQI
16th Jun 2026445 PMAQI
16th Jun 2026406 PMAQI
16th Jun 2026427 PMAQI
16th Jun 2026408 PMAQI
16th Jun 2026389 PMAQI
16th Jun 20263810 PMAQI
16th Jun 20263211 PMAQI
17th Jun 20263212 AMAQI
17th Jun 2026301 AMAQI
17th Jun 2026302 AMAQI
17th Jun 2026403 AMAQI
17th Jun 2026544 AMAQI

24°C16/36°C

17th Jun 2026405 AMAQI
17th Jun 2026406 AMAQI
17th Jun 2026407 AMAQI
17th Jun 2026348 AMAQI
17th Jun 2026399 AMAQI
17th Jun 20264010 AMAQI
17th Jun 20264411 AMAQI
17th Jun 20264412 PMAQI
17th Jun 2026501 PMAQI
17th Jun 2026502 PMAQI
17th Jun 2026463 PMAQI
17th Jun 2026494 PMAQI
17th Jun 2026515 PMAQI
17th Jun 2026506 PMAQI
17th Jun 2026487 PMAQI
17th Jun 2026448 PMAQI
17th Jun 2026409 PMAQI
17th Jun 20263210 PMAQI
17th Jun 20263011 PMAQI
18th Jun 20262112 AMAQI
18th Jun 2026201 AMAQI
18th Jun 2026282 AMAQI
18th Jun 2026363 AMAQI
18th Jun 2026184 AMAQI

22°C14/33°C

18th Jun 2026205 AMAQI
18th Jun 2026196 AMAQI
18th Jun 2026297 AMAQI
18th Jun 2026268 AMAQI
18th Jun 2026299 AMAQI
18th Jun 20262910 AMAQI
18th Jun 20263211 AMAQI
18th Jun 20263812 PMAQI
18th Jun 2026371 PMAQI
18th Jun 2026382 PMAQI
18th Jun 2026363 PMAQI
18th Jun 2026334 PMAQI
18th Jun 2026325 PMAQI
18th Jun 2026316 PMAQI
18th Jun 2026307 PMAQI
18th Jun 2026348 PMAQI
18th Jun 2026349 PMAQI
18th Jun 20264410 PMAQI
18th Jun 20262011 PMAQI
19th Jun 20263412 AMAQI
19th Jun 2026361 AMAQI
19th Jun 2026342 AMAQI
19th Jun 2026383 AMAQI
19th Jun 2026464 AMAQI

20°C15/30°C

19th Jun 2026485 AMAQI
19th Jun 2026216 AMAQI
19th Jun 2026207 AMAQI
19th Jun 2026268 AMAQI
19th Jun 2026249 AMAQI
19th Jun 20262410 AMAQI
19th Jun 20262611 AMAQI
19th Jun 20262612 PMAQI
19th Jun 2026321 PMAQI
19th Jun 2026342 PMAQI
19th Jun 2026313 PMAQI
19th Jun 2026324 PMAQI
19th Jun 2026425 PMAQI
19th Jun 2026466 PMAQI
19th Jun 2026447 PMAQI
19th Jun 2026368 PMAQI
19th Jun 2026319 PMAQI
19th Jun 20263010 PMAQI
19th Jun 20263411 PMAQI
20th Jun 20263012 AMAQI
20th Jun 2026291 AMAQI
20th Jun 2026292 AMAQI
20th Jun 2026303 AMAQI
20th Jun 2026544 AMAQI

20°C14/30°C

20th Jun 2026585 AMAQI
20th Jun 2026316 AMAQI
20th Jun 2026337 AMAQI
20th Jun 2026508 AMAQI
20th Jun 2026389 AMAQI
20th Jun 20263410 AMAQI
20th Jun 20263011 AMAQI
20th Jun 20262712 PMAQI
20th Jun 2026232 PMAQI
20th Jun 2026233 PMAQI
20th Jun 2026234 PMAQI
20th Jun 2026245 PMAQI
20th Jun 2026306 PMAQI
20th Jun 2026337 PMAQI
20th Jun 2026318 PMAQI
20th Jun 2026339 PMAQI
20th Jun 20263210 PMAQI
20th Jun 20263211 PMAQI
21st Jun 20263412 AMAQI
21st Jun 2026421 AMAQI
21st Jun 2026422 AMAQI
21st Jun 2026543 AMAQI
21st Jun 2026584 AMAQI

20°C11/31°C

21st Jun 2026235 AMAQI
21st Jun 2026526 AMAQI
21st Jun 2026547 AMAQI
21st Jun 2026648 AMAQI
21st Jun 2026489 AMAQI
21st Jun 20265610 AMAQI
21st Jun 20264611 AMAQI
21st Jun 20264412 PMAQI
21st Jun 2026431 PMAQI
21st Jun 2026442 PMAQI
21st Jun 2026273 PMAQI
21st Jun 2026404 PMAQI
21st Jun 2026275 PMAQI
21st Jun 2026316 PMAQI
21st Jun 2026327 PMAQI
21st Jun 2026338 PMAQI
21st Jun 2026289 PMAQI
21st Jun 20262810 PMAQI
21st Jun 20262211 PMAQI
22nd Jun 20262212 AMAQI
22nd Jun 2026381 AMAQI
22nd Jun 2026282 AMAQI
22nd Jun 2026183 AMAQI
22nd Jun 2026324 AMAQI

20°C12/31°C

22nd Jun 2026165 AMAQI
22nd Jun 2026336 AMAQI
22nd Jun 2026307 AMAQI
22nd Jun 2026408 AMAQI
22nd Jun 2026289 AMAQI
22nd Jun 20263410 AMAQI
22nd Jun 20264211 AMAQI
22nd Jun 20264612 PMAQI
22nd Jun 2026501 PMAQI
22nd Jun 2026442 PMAQI
22nd Jun 2026383 PMAQI
22nd Jun 2026404 PMAQI
22nd Jun 2026405 PMAQI
22nd Jun 2026466 PMAQI
22nd Jun 2026407 PMAQI
22nd Jun 2026418 PMAQI
22nd Jun 2026389 PMAQI
22nd Jun 20263410 PMAQI
22nd Jun 20263211 PMAQI
23rd Jun 20262912 AMAQI
23rd Jun 2026291 AMAQI
23rd Jun 2026402 AMAQI
23rd Jun 2026343 AMAQI
23rd Jun 2026384 AMAQI

22°C13/34°C

23rd Jun 2026375 AMAQI
23rd Jun 2026426 AMAQI
23rd Jun 2026547 AMAQI
23rd Jun 2026268 AMAQI
23rd Jun 2026329 AMAQI
23rd Jun 20263410 AMAQI
23rd Jun 20264011 AMAQI
23rd Jun 20264012 PMAQI
23rd Jun 2026461 PMAQI
23rd Jun 2026522 PMAQI
23rd Jun 2026513 PMAQI
23rd Jun 2026424 PMAQI
23rd Jun 2026485 PMAQI
23rd Jun 2026466 PMAQI
23rd Jun 2026497 PMAQI
23rd Jun 2026528 PMAQI
23rd Jun 2026469 PMAQI
23rd Jun 20264210 PMAQI
23rd Jun 20264111 PMAQI
24th Jun 20262912 AMAQI
24th Jun 2026371 AMAQI
24th Jun 2026362 AMAQI
24th Jun 2026273 AMAQI
24th Jun 2026444 AMAQI

24°C15/36°C

24th Jun 2026395 AMAQI
24th Jun 2026606 AMAQI
24th Jun 2026377 AMAQI
24th Jun 2026328 AMAQI
24th Jun 2026409 AMAQI
24th Jun 20264010 AMAQI
24th Jun 20264811 AMAQI
24th Jun 20265112 PMAQI
24th Jun 2026511 PMAQI
24th Jun 2026492 PMAQI
24th Jun 2026513 PMAQI
24th Jun 2026534 PMAQI
24th Jun 2026585 PMAQI
24th Jun 2026596 PMAQI
24th Jun 2026527 PMAQI
24th Jun 2026488 PMAQI
24th Jun 2026429 PMAQI
24th Jun 20263310 PMAQI
24th Jun 20263211 PMAQI
25th Jun 20262612 AMAQI
25th Jun 2026281 AMAQI
25th Jun 2026272 AMAQI
25th Jun 2026303 AMAQI
25th Jun 2026234 AMAQI

25°C17/36°C

25th Jun 2026485 AMAQI
25th Jun 2026236 AMAQI
25th Jun 2026267 AMAQI
25th Jun 2026288 AMAQI
25th Jun 2026299 AMAQI
25th Jun 20263110 AMAQI
25th Jun 20263911 AMAQI
25th Jun 20264212 PMAQI
25th Jun 2026421 PMAQI
25th Jun 2026482 PMAQI
25th Jun 2026443 PMAQI
25th Jun 2026374 PMAQI
25th Jun 2026375 PMAQI
25th Jun 2026406 PMAQI
25th Jun 2026477 PMAQI
25th Jun 2026508 PMAQI
25th Jun 2026449 PMAQI
25th Jun 20263810 PMAQI
25th Jun 20263411 PMAQI
26th Jun 20262412 AMAQI
26th Jun 2026241 AMAQI
26th Jun 2026232 AMAQI
26th Jun 2026203 AMAQI
26th Jun 2026484 AMAQI

22°C13/34°C

26th Jun 2026825 AMAQI
26th Jun 2026506 AMAQI
26th Jun 2026247 AMAQI
26th Jun 2026248 AMAQI
26th Jun 2026409 AMAQI
26th Jun 20263010 AMAQI
26th Jun 20263811 AMAQI
26th Jun 20264212 PMAQI
26th Jun 2026431 PMAQI
26th Jun 2026422 PMAQI
26th Jun 2026343 PMAQI
26th Jun 2026394 PMAQI
26th Jun 2026485 PMAQI
26th Jun 2026506 PMAQI
26th Jun 2026447 PMAQI
26th Jun 2026388 PMAQI
26th Jun 2026379 PMAQI
26th Jun 20263610 PMAQI
26th Jun 20263211 PMAQI
27th Jun 20262212 AMAQI
27th Jun 2026501 AMAQI
27th Jun 2026162 AMAQI
27th Jun 2026183 AMAQI
27th Jun 2026184 AMAQI

21°C13/32°C

27th Jun 2026195 AMAQI
27th Jun 2026256 AMAQI
27th Jun 2026317 AMAQI
27th Jun 2026208 AMAQI
27th Jun 2026409 AMAQI
27th Jun 20262010 AMAQI
27th Jun 20262011 AMAQI
27th Jun 20262112 PMAQI
27th Jun 2026211 PMAQI
27th Jun 2026292 PMAQI
27th Jun 2026223 PMAQI
27th Jun 2026234 PMAQI
27th Jun 2026515 PMAQI
27th Jun 2026326 PMAQI
27th Jun 2026307 PMAQI
27th Jun 2026288 PMAQI
27th Jun 2026269 PMAQI
27th Jun 20262510 PMAQI
27th Jun 20263311 PMAQI
28th Jun 20261812 AMAQI
28th Jun 2026171 AMAQI
28th Jun 2026162 AMAQI
28th Jun 2026183 AMAQI
28th Jun 2026174 AMAQI

20°C14/30°C

28th Jun 2026285 AMAQI
28th Jun 2026146 AMAQI
28th Jun 2026127 AMAQI
28th Jun 2026178 AMAQI
28th Jun 2026149 AMAQI
28th Jun 20261410 AMAQI
28th Jun 20261511 AMAQI
28th Jun 20261512 PMAQI
28th Jun 2026191 PMAQI
28th Jun 2026182 PMAQI
28th Jun 2026163 PMAQI
28th Jun 2026234 PMAQI
28th Jun 2026285 PMAQI
28th Jun 2026226 PMAQI
28th Jun 2026247 PMAQI
28th Jun 2026248 PMAQI
28th Jun 2026249 PMAQI
28th Jun 20262210 PMAQI
28th Jun 20262011 PMAQI
29th Jun 20262212 AMAQI
29th Jun 2026271 AMAQI
29th Jun 2026182 AMAQI
29th Jun 2026243 AMAQI
29th Jun 2026284 AMAQI

19°C16/27°C

29th Jun 2026265 AMAQI
29th Jun 2026166 AMAQI
29th Jun 2026167 AMAQI
29th Jun 2026198 AMAQI
29th Jun 2026219 AMAQI
29th Jun 20262410 AMAQI
29th Jun 20262411 AMAQI
29th Jun 20262212 PMAQI
29th Jun 2026241 PMAQI
29th Jun 2026282 PMAQI
29th Jun 2026303 PMAQI
29th Jun 2026334 PMAQI
29th Jun 2026355 PMAQI
29th Jun 2026406 PMAQI
29th Jun 2026387 PMAQI
29th Jun 2026348 PMAQI
29th Jun 2026329 PMAQI
29th Jun 20262810 PMAQI
29th Jun 20263211 PMAQI
30th Jun 20263612 AMAQI
30th Jun 2026311 AMAQI
30th Jun 2026222 AMAQI
30th Jun 2026303 AMAQI
30th Jun 2026424 AMAQI

19°C15/29°C

30th Jun 2026245 AMAQI
30th Jun 2026246 AMAQI
30th Jun 2026247 AMAQI
30th Jun 2026238 AMAQI
30th Jun 2026229 AMAQI
30th Jun 20262410 AMAQI
30th Jun 20263811 AMAQI
30th Jun 20262412 PMAQI
30th Jun 2026221 PMAQI
30th Jun 2026342 PMAQI
30th Jun 2026293 PMAQI
30th Jun 2026284 PMAQI
30th Jun 2026325 PMAQI
30th Jun 2026336 PMAQI
30th Jun 2026327 PMAQI
30th Jun 2026348 PMAQI
30th Jun 2026349 PMAQI
30th Jun 20263010 PMAQI
30th Jun 20262411 PMAQI
1st Jul 20262112 AMAQI
1st Jul 2026201 AMAQI
1st Jul 2026182 AMAQI
1st Jul 2026193 AMAQI
1st Jul 2026204 AMAQI

19°C14/29°C

1st Jul 2026185 AMAQI
1st Jul 2026206 AMAQI
1st Jul 2026207 AMAQI
1st Jul 2026238 AMAQI
1st Jul 2026229 AMAQI
1st Jul 20262410 AMAQI
1st Jul 20263811 AMAQI
1st Jul 20262312 PMAQI
1st Jul 2026241 PMAQI
1st Jul 2026262 PMAQI
1st Jul 2026283 PMAQI
1st Jul 2026264 PMAQI
1st Jul 2026305 PMAQI
1st Jul 2026286 PMAQI
1st Jul 2026307 PMAQI
1st Jul 2026318 PMAQI
1st Jul 2026329 PMAQI
1st Jul 20263210 PMAQI
1st Jul 20263111 PMAQI
2nd Jul 20262812 AMAQI
2nd Jul 2026251 AMAQI
2nd Jul 2026342 AMAQI
2nd Jul 2026443 AMAQI
2nd Jul 2026764 AMAQI

19°C14/30°C

2nd Jul 2026545 AMAQI
2nd Jul 2026766 AMAQI
2nd Jul 2026437 AMAQI
2nd Jul 2026248 AMAQI
2nd Jul 2026889 AMAQI
2nd Jul 20265010 AMAQI
2nd Jul 20263711 AMAQI
2nd Jul 20263212 PMAQI
2nd Jul 2026321 PMAQI
2nd Jul 2026382 PMAQI
2nd Jul 2026383 PMAQI
2nd Jul 2026324 PMAQI
2nd Jul 2026365 PMAQI
2nd Jul 2026376 PMAQI
2nd Jul 2026407 PMAQI
2nd Jul 2026388 PMAQI
2nd Jul 2026349 PMAQI
2nd Jul 20263710 PMAQI
2nd Jul 20263611 PMAQI
3rd Jul 20263012 AMAQI
3rd Jul 2026331 AMAQI
3rd Jul 2026342 AMAQI
3rd Jul 2026333 AMAQI
3rd Jul 2026424 AMAQI

21°C13/33°C

3rd Jul 2026305 AMAQI
3rd Jul 2026286 AMAQI
3rd Jul 2026307 AMAQI
3rd Jul 2026408 AMAQI
3rd Jul 2026409 AMAQI
3rd Jul 20264410 AMAQI
3rd Jul 20264211 AMAQI
3rd Jul 20264412 PMAQI
3rd Jul 2026381 PMAQI
3rd Jul 2026292 PMAQI
3rd Jul 2026283 PMAQI
3rd Jul 2026294 PMAQI
3rd Jul 2026345 PMAQI
3rd Jul 2026366 PMAQI
3rd Jul 2026387 PMAQI
3rd Jul 2026368 PMAQI
3rd Jul 2026349 PMAQI
3rd Jul 20263410 PMAQI
3rd Jul 20263411 PMAQI
4th Jul 20263712 AMAQI
4th Jul 2026321 AMAQI
4th Jul 2026322 AMAQI
4th Jul 2026293 AMAQI
4th Jul 2026304 AMAQI

23°C13/36°C

4th Jul 2026285 AMAQI
4th Jul 2026496 AMAQI
4th Jul 2026347 AMAQI
4th Jul 2026368 AMAQI
4th Jul 2026349 AMAQI
4th Jul 20263410 AMAQI
4th Jul 20263211 AMAQI
4th Jul 20263212 PMAQI
4th Jul 2026281 PMAQI
4th Jul 2026202 PMAQI
4th Jul 2026213 PMAQI
4th Jul 2026214 PMAQI
4th Jul 2026205 PMAQI
4th Jul 2026226 PMAQI
4th Jul 2026247 PMAQI
4th Jul 2026248 PMAQI
4th Jul 2026269 PMAQI
4th Jul 20263610 PMAQI
4th Jul 20264911 PMAQI
5th Jul 20265612 AMAQI
5th Jul 2026821 AMAQI
5th Jul 2026922 AMAQI
5th Jul 2026923 AMAQI
5th Jul 2026614 AMAQI

24°C15/35°C

5th Jul 2026265 AMAQI
5th Jul 2026666 AMAQI
5th Jul 20261087 AMAQI
5th Jul 20261348 AMAQI
5th Jul 20261299 AMAQI
5th Jul 202613010 AMAQI
5th Jul 202611111 AMAQI
5th Jul 202610212 PMAQI
5th Jul 2026671 PMAQI
5th Jul 2026642 PMAQI
5th Jul 2026603 PMAQI
5th Jul 2026594 PMAQI
5th Jul 2026505 PMAQI
5th Jul 2026456 PMAQI
5th Jul 2026367 PMAQI
5th Jul 2026298 PMAQI
5th Jul 2026309 PMAQI
5th Jul 20262610 PMAQI
5th Jul 20263111 PMAQI
6th Jul 20263612 AMAQI
6th Jul 2026381 AMAQI
6th Jul 2026292 AMAQI
6th Jul 2026293 AMAQI
6th Jul 2026244 AMAQI

25°C17/35°C

6th Jul 2026295 AMAQI
6th Jul 2026266 AMAQI
6th Jul 2026287 AMAQI
6th Jul 2026348 AMAQI
6th Jul 2026389 AMAQI
6th Jul 20263510 AMAQI
6th Jul 20263811 AMAQI
6th Jul 20263912 PMAQI
6th Jul 2026391 PMAQI
6th Jul 2026332 PMAQI
6th Jul 2026343 PMAQI
6th Jul 2026324 PMAQI
6th Jul 2026375 PMAQI
6th Jul 2026406 PMAQI
6th Jul 2026427 PMAQI
6th Jul 2026408 PMAQI
6th Jul 2026399 PMAQI
6th Jul 20263210 PMAQI
6th Jul 20263011 PMAQI
7th Jul 20262512 AMAQI
7th Jul 2026461 AMAQI
7th Jul 2026662 AMAQI
7th Jul 20261283 AMAQI
7th Jul 20261424 AMAQI

26°C17/36°C

7th Jul 20261485 AMAQI
7th Jul 20261386 AMAQI
7th Jul 2026977 AMAQI
7th Jul 2026658 AMAQI
7th Jul 2026509 AMAQI
7th Jul 20264410 AMAQI
7th Jul 20264811 AMAQI
7th Jul 20265412 PMAQI
7th Jul 2026461 PMAQI
7th Jul 2026402 PMAQI
7th Jul 2026383 PMAQI
7th Jul 2026384 PMAQI
7th Jul 2026415 PMAQI
7th Jul 2026466 PMAQI
7th Jul 2026497 PMAQI
7th Jul 2026488 PMAQI
7th Jul 2026469 PMAQI
7th Jul 20263610 PMAQI
7th Jul 20263411 PMAQI
8th Jul 20263112 AMAQI
8th Jul 2026381 AMAQI
8th Jul 2026342 AMAQI
8th Jul 2026403 AMAQI
8th Jul 2026324 AMAQI

27°C17/38°C

8th Jul 2026285 AMAQI
8th Jul 2026336 AMAQI
8th Jul 2026517 AMAQI
8th Jul 2026508 AMAQI
8th Jul 2026499 AMAQI
8th Jul 20264510 AMAQI
8th Jul 20264811 AMAQI
8th Jul 20265212 PMAQI
8th Jul 2026521 PMAQI
8th Jul 2026482 PMAQI
8th Jul 2026463 PMAQI
8th Jul 2026464 PMAQI
8th Jul 2026445 PMAQI
8th Jul 2026446 PMAQI
8th Jul 2026467 PMAQI
8th Jul 2026428 PMAQI
8th Jul 2026449 PMAQI
8th Jul 20264210 PMAQI
8th Jul 20264211 PMAQI
9th Jul 20264812 AMAQI
9th Jul 2026391 AMAQI
9th Jul 2026482 AMAQI
9th Jul 2026483 AMAQI
9th Jul 2026444 AMAQI

27°C17/40°C

9th Jul 2026445 AMAQI
9th Jul 2026386 AMAQI
9th Jul 2026557 AMAQI
9th Jul 2026628 AMAQI
9th Jul 2026529 AMAQI
9th Jul 20265310 AMAQI
9th Jul 20265211 AMAQI
9th Jul 20265412 PMAQI
9th Jul 2026551 PMAQI
9th Jul 2026542 PMAQI
9th Jul 2026553 PMAQI
9th Jul 2026464 PMAQI
9th Jul 2026505 PMAQI
9th Jul 2026506 PMAQI
9th Jul 2026547 PMAQI
9th Jul 2026508 PMAQI
9th Jul 2026529 PMAQI
9th Jul 20264410 PMAQI
9th Jul 20264211 PMAQI
10th Jul 20265012 AMAQI
10th Jul 2026431 AMAQI
10th Jul 2026432 AMAQI
10th Jul 2026333 AMAQI
10th Jul 2026354 AMAQI

27°C18/38°C

10th Jul 2026365 AMAQI
10th Jul 2026346 AMAQI
10th Jul 2026357 AMAQI
10th Jul 2026388 AMAQI
10th Jul 2026499 AMAQI
10th Jul 20265110 AMAQI
10th Jul 20265811 AMAQI
10th Jul 20265612 PMAQI
10th Jul 2026571 PMAQI
10th Jul 2026532 PMAQI
10th Jul 2026563 PMAQI
10th Jul 2026524 PMAQI
10th Jul 2026505 PMAQI
10th Jul 2026466 PMAQI
10th Jul 2026427 PMAQI
10th Jul 2026338 PMAQI
10th Jul 2026389 PMAQI
10th Jul 20264010 PMAQI
10th Jul 20264211 PMAQI
11th Jul 20263712 AMAQI
11th Jul 2026441 AMAQI
11th Jul 2026502 AMAQI
11th Jul 2026463 AMAQI
11th Jul 2026514 AMAQI

25°C16/37°C

11th Jul 2026405 AMAQI
11th Jul 2026366 AMAQI
11th Jul 2026287 AMAQI
11th Jul 2026298 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20263610 AMAQI
11th Jul 20264411 AMAQI
11th Jul 20264512 PMAQI
11th Jul 2026441 PMAQI
11th Jul 2026472 PMAQI
11th Jul 2026423 PMAQI
11th Jul 2026374 PMAQI
11th Jul 2026365 PMAQI
11th Jul 2026396 PMAQI
11th Jul 2026407 PMAQI
11th Jul 2026508 PMAQI
11th Jul 2026409 PMAQI
11th Jul 20263410 PMAQI
11th Jul 20263211 PMAQI
12th Jul 20263212 AMAQI
12th Jul 2026321 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026313 AMAQI
12th Jul 2026304 AMAQI

25°C16/36°C

12th Jul 2026345 AMAQI
5 AM
12th Jul 2026286 AMAQI
12th Jul 2026297 AMAQI
12th Jul 2026298 AMAQI
12th Jul 2026389 AMAQI
12th Jul 20263610 AMAQI
12th Jul 20263711 AMAQI
12th Jul 20263812 PMAQI
12 PM
12th Jul 2026401 PMAQI
12th Jul 2026482 PMAQI
12th Jul 2026423 PMAQI
12th Jul 2026404 PMAQI
12th Jul 2026405 PMAQI
12th Jul 2026386 PMAQI
12th Jul 2026367 PMAQI
12th Jul 2026368 PMAQI
8 PM
12th Jul 2026399 PMAQI
12th Jul 20263610 PMAQI
12th Jul 20263411 PMAQI
12 AM
4 AM

26°C18/35°C

Day time
Avg. Highest Time
11 AM - 2 PM

40AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
3 PM - 4 PM

37AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 2 PM (Avg. 40), while the lowest AQI was between 3 PM to 4 PM (Avg. 37).
Night time
Avg. Highest Time
4 AM

40AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM

31AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 40), while the lowest AQI was between 12 AM to 12 AM (Avg. 31).

2026 Days Vs Air Quality

Ontario Mills Parkway, Ontario, California, United States

2026

92%

174

8%

16

Total number of days with different AQI categories in last 194 days in 2026 (171 days remaining)

Good
174 Days
Moderate
16 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 92%

Health Risk Level:

Very Low

In 2026, 92% of 194 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

Ontario Mills Parkway, Ontario, California, 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
30AQI (US)
2nd January 2026
41AQI (US)
3rd January 2026
22AQI (US)
4th January 2026
27AQI (US)
5th January 2026
22AQI (US)
6th January 2026
33AQI (US)
7th January 2026
35AQI (US)
8th January 2026
34AQI (US)
9th January 2026
26AQI (US)
10th January 2026
22AQI (US)
11th January 2026
21AQI (US)
12th January 2026
21AQI (US)
13th January 2026
30AQI (US)
14th January 2026
24AQI (US)
15th January 2026
34AQI (US)
16th January 2026
32AQI (US)
17th January 2026
23AQI (US)
18th January 2026
32AQI (US)
19th January 2026
48AQI (US)
20th January 2026
37AQI (US)
21st January 2026
55AQI (US)
22nd January 2026
62AQI (US)
23rd January 2026
52AQI (US)
24th January 2026
37AQI (US)
25th January 2026
42AQI (US)
26th January 2026
43AQI (US)
27th January 2026
40AQI (US)
28th January 2026
46AQI (US)
29th January 2026
50AQI (US)
30th January 2026
56AQI (US)
31st January 2026
39AQI (US)
1st February 2026
54AQI (US)
2nd February 2026
53AQI (US)
3rd February 2026
52AQI (US)
4th February 2026
44AQI (US)
5th February 2026
52AQI (US)
6th February 2026
45AQI (US)
7th February 2026
42AQI (US)
8th February 2026
36AQI (US)
9th February 2026
50AQI (US)
10th February 2026
45AQI (US)
11th February 2026
31AQI (US)
12th February 2026
27AQI (US)
13th February 2026
33AQI (US)
14th February 2026
37AQI (US)
15th February 2026
39AQI (US)
16th February 2026
41AQI (US)
17th February 2026
42AQI (US)
18th February 2026
32AQI (US)
19th February 2026
31AQI (US)
20th February 2026
26AQI (US)
21st February 2026
30AQI (US)
22nd February 2026
31AQI (US)
23rd February 2026
37AQI (US)
24th February 2026
42AQI (US)
25th February 2026
42AQI (US)
26th February 2026
40AQI (US)
27th February 2026
37AQI (US)
28th February 2026
31AQI (US)
1st March 2026
36AQI (US)
2nd March 2026
49AQI (US)
3rd March 2026
34AQI (US)
4th March 2026
42AQI (US)
5th March 2026
42AQI (US)
6th March 2026
25AQI (US)
7th March 2026
32AQI (US)
8th March 2026
29AQI (US)
9th March 2026
31AQI (US)
10th March 2026
32AQI (US)
11th March 2026
41AQI (US)
12th March 2026
45AQI (US)
13th March 2026
40AQI (US)
14th March 2026
35AQI (US)
15th March 2026
31AQI (US)
16th March 2026
36AQI (US)
17th March 2026
33AQI (US)
18th March 2026
43AQI (US)
19th March 2026
48AQI (US)
20th March 2026
56AQI (US)
21st March 2026
39AQI (US)
22nd March 2026
35AQI (US)
23rd March 2026
43AQI (US)
24th March 2026
42AQI (US)
25th March 2026
42AQI (US)
26th March 2026
43AQI (US)
27th March 2026
45AQI (US)
28th March 2026
31AQI (US)
29th March 2026
30AQI (US)
30th March 2026
38AQI (US)
31st March 2026
34AQI (US)
1st April 2026
21AQI (US)
2nd April 2026
17AQI (US)
3rd April 2026
33AQI (US)
4th April 2026
27AQI (US)
5th April 2026
29AQI (US)
6th April 2026
38AQI (US)
7th April 2026
43AQI (US)
8th April 2026
48AQI (US)
9th April 2026
41AQI (US)
10th April 2026
32AQI (US)
11th April 2026
24AQI (US)
12th April 2026
22AQI (US)
13th April 2026
19AQI (US)
14th April 2026
22AQI (US)
15th April 2026
36AQI (US)
16th April 2026
27AQI (US)
17th April 2026
18th April 2026
37AQI (US)
19th April 2026
37AQI (US)
20th April 2026
33AQI (US)
21st April 2026
23AQI (US)
22nd April 2026
23rd April 2026
28AQI (US)
24th April 2026
28AQI (US)
25th April 2026
28AQI (US)
26th April 2026
23AQI (US)
27th April 2026
18AQI (US)
28th April 2026
26AQI (US)
29th April 2026
32AQI (US)
30th April 2026
31AQI (US)
1st May 2026
39AQI (US)
2nd May 2026
43AQI (US)
3rd May 2026
26AQI (US)
4th May 2026
32AQI (US)
5th May 2026
30AQI (US)
6th May 2026
31AQI (US)
7th May 2026
38AQI (US)
8th May 2026
43AQI (US)
9th May 2026
10th May 2026
34AQI (US)
11th May 2026
44AQI (US)
12th May 2026
36AQI (US)
13th May 2026
37AQI (US)
14th May 2026
35AQI (US)
15th May 2026
50AQI (US)
16th May 2026
49AQI (US)
17th May 2026
59AQI (US)
18th May 2026
62AQI (US)
19th May 2026
56AQI (US)
20th May 2026
56AQI (US)
21st May 2026
50AQI (US)
22nd May 2026
55AQI (US)
23rd May 2026
50AQI (US)
24th May 2026
47AQI (US)
25th May 2026
43AQI (US)
26th May 2026
31AQI (US)
27th May 2026
21AQI (US)
28th May 2026
18AQI (US)
29th May 2026
19AQI (US)
30th May 2026
21AQI (US)
31st May 2026
28AQI (US)
1st June 2026
37AQI (US)
2nd June 2026
45AQI (US)
3rd June 2026
48AQI (US)
4th June 2026
46AQI (US)
5th June 2026
42AQI (US)
6th June 2026
33AQI (US)
7th June 2026
32AQI (US)
8th June 2026
38AQI (US)
9th June 2026
42AQI (US)
10th June 2026
44AQI (US)
11th June 2026
38AQI (US)
12th June 2026
34AQI (US)
13th June 2026
26AQI (US)
14th June 2026
28AQI (US)
15th June 2026
37AQI (US)
16th June 2026
36AQI (US)
17th June 2026
42AQI (US)
18th June 2026
30AQI (US)
19th June 2026
33AQI (US)
20th June 2026
33AQI (US)
21st June 2026
40AQI (US)
22nd June 2026
35AQI (US)
23rd June 2026
41AQI (US)
24th June 2026
44AQI (US)
25th June 2026
36AQI (US)
26th June 2026
38AQI (US)
27th June 2026
27AQI (US)
28th June 2026
19AQI (US)
29th June 2026
27AQI (US)
30th June 2026
29AQI (US)
1st July 2026
25AQI (US)
2nd July 2026
42AQI (US)
3rd July 2026
35AQI (US)
4th July 2026
30AQI (US)
5th July 2026
70AQI (US)
6th July 2026
34AQI (US)
7th July 2026
63AQI (US)
8th July 2026
43AQI (US)
9th July 2026
50AQI (US)
10th July 2026
45AQI (US)
11th July 2026
40AQI (US)
12th July 2026
36AQI (US)
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
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

36AQI (US)

39AQI (US)

38AQI (US)

29AQI (US)

39AQI (US)

36AQI (US)

43AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202637AQI (US)

27
4
24
4
30
1
28
25
5
30
10
2
174
16

Highest AQI (US) recorded in

July

43AQI (US)

Lowest AQI (US) recorded in

April

29AQI (US)

202550AQI (US)

6
21
9
25
6
13
17
22
9
12
19
24
6
10
21
11
19
11
18
2
155
124
2

Highest AQI (US) recorded in

December

62AQI (US)

Lowest AQI (US) recorded in

March

32AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2025(Avg.)
50AQI (US)
Least Polluted Year Recorded
2026(Avg.)
37AQI (US)

Ontario Mills Parkway's annual 2026 AQI (US) (37) shows an average percentage change of -26% (improved AQI (US)) compared to previous years: 2025 (50).