Cdf Arroyo Grande, Oceano, 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+
October Air Quality Analysis
Cdf Arroyo Grande, Oceano, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
15th Oct 2023
499AQILowest AQI recorded on
8th Oct 2024
12AQISame Day Analysis (19th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 41 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 18th Oct - 19th Oct 2025
Cdf Arroyo Grande, Oceano, California, United States
AQI
Day
Night
.
7 AM18th Oct 2025
6 PM
6 AM19th Oct 2025
Day time
Avg. Highest Time
3PM18th Oct
56AQI
Avg. Lowest Time
6PM18th Oct
28AQI
Night time
Avg. Highest Time
12AM19th Oct
56AQI
Avg. Lowest Time
3AM19th Oct
37AQI
In the last 24 hours,
Cdf Arroyo Grande's AQI reached its highest point of 56 at 3 PM during the Day, while the lowest point, 28, was recorded at 6 PM during the Day between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Cdf Arroyo Grande, Oceano, California, United States
SepOct
19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th
Day
Night
19th Sep 2025427 AMAQI
19th Sep 2025438 AMAQI
19th Sep 2025439 AMAQI
19th Sep 20254810 AMAQI
19th Sep 20255011 AMAQI
19th Sep 20255212 PMAQI
19th Sep 2025501 PMAQI
19th Sep 2025462 PMAQI
19th Sep 2025453 PMAQI
19th Sep 2025464 PMAQI
19th Sep 2025435 PMAQI
19th Sep 2025406 PMAQI
19th Sep 2025437 PMAQI
19th Sep 2025448 PMAQI
19th Sep 2025469 PMAQI
19th Sep 20254610 PMAQI
19th Sep 20254311 PMAQI
20th Sep 20254012 AMAQI
20th Sep 2025411 AMAQI
20th Sep 2025362 AMAQI
20th Sep 2025323 AMAQI
20th Sep 2025324 AMAQI
20th Sep 2025365 AMAQI
20th Sep 2025386 AMAQI
--°C/°C
20th Sep 2025367 AMAQI
20th Sep 2025378 AMAQI
20th Sep 2025359 AMAQI
20th Sep 20253610 AMAQI
20th Sep 20253211 AMAQI
20th Sep 20253012 PMAQI
20th Sep 2025361 PMAQI
20th Sep 2025432 PMAQI
20th Sep 2025443 PMAQI
20th Sep 2025384 PMAQI
20th Sep 2025415 PMAQI
20th Sep 2025436 PMAQI
20th Sep 2025387 PMAQI
20th Sep 2025408 PMAQI
20th Sep 2025449 PMAQI
20th Sep 20254910 PMAQI
20th Sep 20254711 PMAQI
21st Sep 20254212 AMAQI
21st Sep 2025401 AMAQI
21st Sep 2025382 AMAQI
21st Sep 2025353 AMAQI
21st Sep 2025344 AMAQI
21st Sep 2025345 AMAQI
21st Sep 2025366 AMAQI
18°C15/23°C
21st Sep 2025357 AMAQI
21st Sep 2025358 AMAQI
21st Sep 2025339 AMAQI
21st Sep 20253210 AMAQI
21st Sep 20253011 AMAQI
21st Sep 20253012 PMAQI
21st Sep 2025301 PMAQI
21st Sep 2025352 PMAQI
21st Sep 2025373 PMAQI
21st Sep 2025374 PMAQI
21st Sep 2025365 PMAQI
21st Sep 2025336 PMAQI
21st Sep 2025357 PMAQI
21st Sep 2025358 PMAQI
21st Sep 2025349 PMAQI
21st Sep 20253510 PMAQI
21st Sep 20253411 PMAQI
22nd Sep 20253412 AMAQI
22nd Sep 2025331 AMAQI
22nd Sep 2025332 AMAQI
22nd Sep 2025303 AMAQI
22nd Sep 2025284 AMAQI
22nd Sep 2025265 AMAQI
22nd Sep 2025246 AMAQI
18°C14/28°C
22nd Sep 2025257 AMAQI
22nd Sep 2025268 AMAQI
22nd Sep 2025229 AMAQI
22nd Sep 20252110 AMAQI
22nd Sep 20252411 AMAQI
22nd Sep 20252612 PMAQI
22nd Sep 2025241 PMAQI
22nd Sep 2025252 PMAQI
22nd Sep 2025263 PMAQI
22nd Sep 2025264 PMAQI
22nd Sep 2025265 PMAQI
22nd Sep 2025276 PMAQI
22nd Sep 2025267 PMAQI
22nd Sep 2025268 PMAQI
22nd Sep 2025309 PMAQI
22nd Sep 20253210 PMAQI
22nd Sep 20253211 PMAQI
23rd Sep 20253212 AMAQI
23rd Sep 2025311 AMAQI
23rd Sep 2025332 AMAQI
23rd Sep 2025373 AMAQI
23rd Sep 2025344 AMAQI
23rd Sep 2025285 AMAQI
23rd Sep 2025286 AMAQI
19°C15/31°C
23rd Sep 2025267 AMAQI
23rd Sep 2025258 AMAQI
23rd Sep 2025279 AMAQI
23rd Sep 20252610 AMAQI
23rd Sep 20253211 AMAQI
23rd Sep 20252812 PMAQI
23rd Sep 2025261 PMAQI
23rd Sep 2025282 PMAQI
23rd Sep 2025313 PMAQI
23rd Sep 2025324 PMAQI
23rd Sep 2025295 PMAQI
23rd Sep 2025266 PMAQI
23rd Sep 2025297 PMAQI
23rd Sep 2025338 PMAQI
23rd Sep 2025409 PMAQI
23rd Sep 20254010 PMAQI
23rd Sep 20253811 PMAQI
24th Sep 20253412 AMAQI
24th Sep 2025381 AMAQI
24th Sep 2025372 AMAQI
24th Sep 2025383 AMAQI
24th Sep 2025404 AMAQI
24th Sep 2025425 AMAQI
24th Sep 2025386 AMAQI
18°C14/25°C
24th Sep 2025397 AMAQI
24th Sep 2025468 AMAQI
24th Sep 2025459 AMAQI
24th Sep 20254410 AMAQI
24th Sep 20254411 AMAQI
24th Sep 20254812 PMAQI
24th Sep 2025481 PMAQI
24th Sep 2025442 PMAQI
24th Sep 2025523 PMAQI
24th Sep 2025474 PMAQI
24th Sep 2025455 PMAQI
24th Sep 2025406 PMAQI
24th Sep 2025417 PMAQI
24th Sep 2025408 PMAQI
24th Sep 2025439 PMAQI
24th Sep 20254210 PMAQI
24th Sep 20253311 PMAQI
25th Sep 20252912 AMAQI
25th Sep 2025291 AMAQI
25th Sep 2025302 AMAQI
25th Sep 2025273 AMAQI
25th Sep 2025334 AMAQI
25th Sep 2025295 AMAQI
25th Sep 2025276 AMAQI
20°C17/24°C
25th Sep 2025287 AMAQI
25th Sep 2025318 AMAQI
25th Sep 2025299 AMAQI
25th Sep 20253410 AMAQI
25th Sep 20253211 AMAQI
25th Sep 20253212 PMAQI
25th Sep 2025321 PMAQI
25th Sep 2025282 PMAQI
25th Sep 2025293 PMAQI
25th Sep 2025304 PMAQI
25th Sep 2025315 PMAQI
25th Sep 2025316 PMAQI
25th Sep 2025307 PMAQI
25th Sep 2025338 PMAQI
25th Sep 2025349 PMAQI
25th Sep 20252910 PMAQI
25th Sep 20253011 PMAQI
26th Sep 20252812 AMAQI
26th Sep 2025301 AMAQI
26th Sep 2025332 AMAQI
26th Sep 2025303 AMAQI
26th Sep 2025294 AMAQI
26th Sep 2025325 AMAQI
26th Sep 2025246 AMAQI
19°C16/28°C
26th Sep 2025247 AMAQI
26th Sep 2025308 AMAQI
26th Sep 2025249 AMAQI
26th Sep 20252510 AMAQI
26th Sep 20253411 AMAQI
26th Sep 20253312 PMAQI
26th Sep 2025351 PMAQI
26th Sep 2025392 PMAQI
26th Sep 2025403 PMAQI
26th Sep 2025374 PMAQI
26th Sep 2025335 PMAQI
26th Sep 2025316 PMAQI
26th Sep 2025377 PMAQI
26th Sep 2025428 PMAQI
26th Sep 2025399 PMAQI
26th Sep 20254110 PMAQI
26th Sep 20254311 PMAQI
27th Sep 20254812 AMAQI
27th Sep 2025461 AMAQI
27th Sep 2025462 AMAQI
27th Sep 2025443 AMAQI
27th Sep 2025474 AMAQI
27th Sep 2025525 AMAQI
27th Sep 2025406 AMAQI
17°C15/21°C
27th Sep 2025407 AMAQI
27th Sep 2025428 AMAQI
27th Sep 2025389 AMAQI
27th Sep 20253610 AMAQI
27th Sep 20254211 AMAQI
27th Sep 20254012 PMAQI
27th Sep 2025461 PMAQI
27th Sep 2025452 PMAQI
27th Sep 2025343 PMAQI
27th Sep 2025464 PMAQI
27th Sep 2025445 PMAQI
27th Sep 2025376 PMAQI
27th Sep 2025287 PMAQI
27th Sep 2025198 PMAQI
27th Sep 2025229 PMAQI
27th Sep 20253010 PMAQI
27th Sep 20253311 PMAQI
28th Sep 20253312 AMAQI
28th Sep 2025331 AMAQI
28th Sep 2025382 AMAQI
28th Sep 2025363 AMAQI
28th Sep 2025344 AMAQI
28th Sep 2025365 AMAQI
28th Sep 2025266 AMAQI
18°C15/21°C
28th Sep 2025227 AMAQI
28th Sep 2025288 AMAQI
28th Sep 2025349 AMAQI
28th Sep 20253210 AMAQI
28th Sep 20252811 AMAQI
28th Sep 20254112 PMAQI
28th Sep 2025481 PMAQI
28th Sep 2025452 PMAQI
28th Sep 2025293 PMAQI
28th Sep 2025294 PMAQI
28th Sep 2025455 PMAQI
28th Sep 2025496 PMAQI
28th Sep 2025397 PMAQI
28th Sep 2025378 PMAQI
28th Sep 2025319 PMAQI
28th Sep 20253010 PMAQI
28th Sep 20253511 PMAQI
29th Sep 20254612 AMAQI
29th Sep 2025551 AMAQI
29th Sep 2025492 AMAQI
29th Sep 2025443 AMAQI
29th Sep 2025484 AMAQI
29th Sep 2025555 AMAQI
29th Sep 2025576 AMAQI
19°C18/21°C
29th Sep 2025477 AMAQI
29th Sep 2025348 AMAQI
29th Sep 2025399 AMAQI
29th Sep 20255410 AMAQI
29th Sep 20255111 AMAQI
29th Sep 20254312 PMAQI
29th Sep 2025421 PMAQI
29th Sep 2025482 PMAQI
29th Sep 2025483 PMAQI
29th Sep 2025334 PMAQI
29th Sep 2025505 PMAQI
29th Sep 2025416 PMAQI
29th Sep 2025417 PMAQI
29th Sep 2025498 PMAQI
29th Sep 2025529 PMAQI
29th Sep 20255210 PMAQI
29th Sep 20255711 PMAQI
30th Sep 20254912 AMAQI
30th Sep 2025551 AMAQI
30th Sep 2025532 AMAQI
30th Sep 2025543 AMAQI
30th Sep 2025444 AMAQI
30th Sep 2025505 AMAQI
30th Sep 2025506 AMAQI
18°C17/20°C
30th Sep 2025497 AMAQI
30th Sep 2025528 AMAQI
30th Sep 2025569 AMAQI
30th Sep 20255510 AMAQI
30th Sep 20255411 AMAQI
30th Sep 20255412 PMAQI
30th Sep 2025531 PMAQI
30th Sep 2025522 PMAQI
30th Sep 2025543 PMAQI
30th Sep 2025504 PMAQI
30th Sep 2025525 PMAQI
30th Sep 2025486 PMAQI
30th Sep 2025417 PMAQI
30th Sep 2025288 PMAQI
30th Sep 2025229 PMAQI
30th Sep 20252210 PMAQI
30th Sep 20252311 PMAQI
1st Oct 20253512 AMAQI
1st Oct 2025411 AMAQI
1st Oct 2025422 AMAQI
1st Oct 2025423 AMAQI
1st Oct 2025494 AMAQI
1st Oct 2025355 AMAQI
1st Oct 2025366 AMAQI
18°C13/23°C
1st Oct 2025427 AMAQI
1st Oct 2025388 AMAQI
1st Oct 2025369 AMAQI
1st Oct 20253610 AMAQI
1st Oct 20251911 AMAQI
1st Oct 2025712 PMAQI
1st Oct 2025121 PMAQI
1st Oct 2025252 PMAQI
1st Oct 202593 PMAQI
1st Oct 202594 PMAQI
1st Oct 2025285 PMAQI
1st Oct 2025346 PMAQI
1st Oct 2025367 PMAQI
1st Oct 2025498 PMAQI
1st Oct 2025529 PMAQI
1st Oct 20254410 PMAQI
1st Oct 2025911 PMAQI
2nd Oct 20252812 AMAQI
2nd Oct 2025331 AMAQI
2nd Oct 2025362 AMAQI
2nd Oct 2025353 AMAQI
2nd Oct 2025344 AMAQI
2nd Oct 2025265 AMAQI
2nd Oct 202566 AMAQI
19°C15/24°C
2nd Oct 2025107 AMAQI
2nd Oct 2025108 AMAQI
2nd Oct 2025119 AMAQI
2nd Oct 20251210 AMAQI
2nd Oct 20251211 AMAQI
2nd Oct 20251312 PMAQI
2nd Oct 2025121 PMAQI
2nd Oct 2025102 PMAQI
2nd Oct 202593 PMAQI
2nd Oct 2025104 PMAQI
2nd Oct 202595 PMAQI
2nd Oct 2025146 PMAQI
2nd Oct 2025337 PMAQI
2nd Oct 2025508 PMAQI
2nd Oct 2025449 PMAQI
2nd Oct 20253510 PMAQI
2nd Oct 20254311 PMAQI
3rd Oct 20254812 AMAQI
3rd Oct 2025291 AMAQI
3rd Oct 2025202 AMAQI
3rd Oct 2025463 AMAQI
3rd Oct 2025404 AMAQI
3rd Oct 2025505 AMAQI
3rd Oct 2025486 AMAQI
17°C12/24°C
3rd Oct 2025487 AMAQI
3rd Oct 2025548 AMAQI
3rd Oct 2025489 AMAQI
3rd Oct 20255110 AMAQI
3rd Oct 20254011 AMAQI
3rd Oct 20254112 PMAQI
3rd Oct 2025601 PMAQI
3rd Oct 20251082 PMAQI
3rd Oct 20251543 PMAQI
3rd Oct 20251564 PMAQI
3rd Oct 20251305 PMAQI
3rd Oct 2025906 PMAQI
3rd Oct 2025737 PMAQI
3rd Oct 2025618 PMAQI
3rd Oct 2025599 PMAQI
3rd Oct 20255710 PMAQI
3rd Oct 20255911 PMAQI
4th Oct 20256012 AMAQI
4th Oct 2025561 AMAQI
4th Oct 2025552 AMAQI
4th Oct 2025573 AMAQI
4th Oct 2025604 AMAQI
4th Oct 2025545 AMAQI
4th Oct 2025436 AMAQI
18°C13/24°C
4th Oct 2025427 AMAQI
4th Oct 2025558 AMAQI
4th Oct 2025559 AMAQI
4th Oct 20255710 AMAQI
4th Oct 20255811 AMAQI
4th Oct 20256112 PMAQI
4th Oct 2025681 PMAQI
4th Oct 20251102 PMAQI
4th Oct 20251603 PMAQI
4th Oct 20251684 PMAQI
4th Oct 20251275 PMAQI
4th Oct 20251016 PMAQI
4th Oct 2025727 PMAQI
4th Oct 2025678 PMAQI
4th Oct 2025659 PMAQI
4th Oct 20256110 PMAQI
4th Oct 20255911 PMAQI
5th Oct 20255812 AMAQI
5th Oct 2025571 AMAQI
5th Oct 2025592 AMAQI
5th Oct 2025603 AMAQI
5th Oct 2025554 AMAQI
5th Oct 2025585 AMAQI
5th Oct 2025586 AMAQI
18°C11/27°C
5th Oct 2025527 AMAQI
5th Oct 2025468 AMAQI
5th Oct 2025479 AMAQI
5th Oct 20255610 AMAQI
5th Oct 20255611 AMAQI
5th Oct 20255612 PMAQI
5th Oct 2025581 PMAQI
5th Oct 2025572 PMAQI
5th Oct 2025593 PMAQI
5th Oct 2025584 PMAQI
5th Oct 2025675 PMAQI
5th Oct 2025606 PMAQI
5th Oct 2025657 PMAQI
5th Oct 2025688 PMAQI
5th Oct 2025649 PMAQI
5th Oct 20256810 PMAQI
5th Oct 20256211 PMAQI
6th Oct 20256612 AMAQI
6th Oct 2025551 AMAQI
6th Oct 2025422 AMAQI
6th Oct 2025363 AMAQI
6th Oct 2025384 AMAQI
6th Oct 2025305 AMAQI
6th Oct 2025276 AMAQI
17°C12/23°C
6th Oct 2025317 AMAQI
6th Oct 2025418 AMAQI
6th Oct 2025419 AMAQI
6th Oct 20253210 AMAQI
7th Oct 2025344 AMAQI
7th Oct 2025155 AMAQI
7th Oct 2025466 AMAQI
16°C12/19°C
7th Oct 2025427 AMAQI
7th Oct 2025378 AMAQI
7th Oct 2025369 AMAQI
7th Oct 20253610 AMAQI
7th Oct 20254511 AMAQI
7th Oct 20254612 PMAQI
7th Oct 2025381 PMAQI
7th Oct 2025382 PMAQI
7th Oct 2025463 PMAQI
7th Oct 2025544 PMAQI
7th Oct 2025495 PMAQI
7th Oct 2025566 PMAQI
7th Oct 2025707 PMAQI
7th Oct 2025678 PMAQI
7th Oct 2025719 PMAQI
7th Oct 20256610 PMAQI
7th Oct 20256711 PMAQI
8th Oct 20256512 AMAQI
8th Oct 2025641 AMAQI
8th Oct 2025562 AMAQI
8th Oct 2025463 AMAQI
8th Oct 2025574 AMAQI
8th Oct 2025595 AMAQI
8th Oct 2025586 AMAQI
16°C13/19°C
8th Oct 2025527 AMAQI
8th Oct 2025528 AMAQI
8th Oct 2025429 AMAQI
8th Oct 20254210 AMAQI
8th Oct 20255411 AMAQI
8th Oct 20255612 PMAQI
8th Oct 2025561 PMAQI
8th Oct 2025542 PMAQI
8th Oct 2025583 PMAQI
8th Oct 2025574 PMAQI
8th Oct 2025575 PMAQI
8th Oct 2025586 PMAQI
8th Oct 2025557 PMAQI
8th Oct 2025558 PMAQI
8th Oct 2025649 PMAQI
8th Oct 20256610 PMAQI
8th Oct 20256111 PMAQI
9th Oct 20255912 AMAQI
9th Oct 2025571 AMAQI
9th Oct 2025562 AMAQI
9th Oct 2025553 AMAQI
9th Oct 2025474 AMAQI
9th Oct 2025325 AMAQI
9th Oct 2025426 AMAQI
17°C14/22°C
9th Oct 2025557 AMAQI
9th Oct 2025548 AMAQI
9th Oct 2025529 AMAQI
9th Oct 20254610 AMAQI
9th Oct 20255211 AMAQI
9th Oct 20255512 PMAQI
9th Oct 2025531 PMAQI
9th Oct 2025542 PMAQI
9th Oct 2025533 PMAQI
9th Oct 2025524 PMAQI
9th Oct 2025545 PMAQI
9th Oct 2025536 PMAQI
9th Oct 2025207 PMAQI
9th Oct 2025148 PMAQI
9th Oct 2025549 PMAQI
9th Oct 20256110 PMAQI
9th Oct 20256411 PMAQI
10th Oct 20256312 AMAQI
10th Oct 2025651 AMAQI
10th Oct 2025572 AMAQI
10th Oct 2025473 AMAQI
10th Oct 2025434 AMAQI
10th Oct 2025385 AMAQI
10th Oct 2025476 AMAQI
17°C12/24°C
10th Oct 2025117 AMAQI
10th Oct 202568 AMAQI
10th Oct 202569 AMAQI
10th Oct 2025710 AMAQI
10th Oct 20253311 AMAQI
10th Oct 20254412 PMAQI
10th Oct 2025421 PMAQI
10th Oct 2025512 PMAQI
10th Oct 2025803 PMAQI
10th Oct 20251094 PMAQI
10th Oct 20251165 PMAQI
10th Oct 2025986 PMAQI
10th Oct 2025757 PMAQI
10th Oct 2025668 PMAQI
10th Oct 2025609 PMAQI
10th Oct 20255310 PMAQI
10th Oct 20255611 PMAQI
11th Oct 20255612 AMAQI
11th Oct 2025521 AMAQI
11th Oct 2025522 AMAQI
11th Oct 2025423 AMAQI
11th Oct 2025444 AMAQI
11th Oct 2025375 AMAQI
11th Oct 2025316 AMAQI
18°C12/26°C
11th Oct 2025377 AMAQI
11th Oct 2025448 AMAQI
11th Oct 2025449 AMAQI
11th Oct 20254610 AMAQI
11th Oct 20254511 AMAQI
11th Oct 20254812 PMAQI
11th Oct 2025521 PMAQI
11th Oct 2025732 PMAQI
11th Oct 20251143 PMAQI
11th Oct 20251384 PMAQI
11th Oct 20251285 PMAQI
11th Oct 20251086 PMAQI
11th Oct 2025767 PMAQI
11th Oct 2025648 PMAQI
11th Oct 2025629 PMAQI
11th Oct 20256710 PMAQI
11th Oct 20255811 PMAQI
12th Oct 20256212 AMAQI
12th Oct 2025661 AMAQI
12th Oct 2025672 AMAQI
12th Oct 2025673 AMAQI
12th Oct 2025684 AMAQI
12th Oct 2025565 AMAQI
12th Oct 2025386 AMAQI
18°C12/27°C
12th Oct 2025447 AMAQI
12th Oct 2025478 AMAQI
12th Oct 2025469 AMAQI
12th Oct 20254610 AMAQI
12th Oct 20255611 AMAQI
12th Oct 20255812 PMAQI
12th Oct 2025541 PMAQI
12th Oct 2025602 PMAQI
12th Oct 2025883 PMAQI
12th Oct 20251294 PMAQI
12th Oct 20251315 PMAQI
12th Oct 20251136 PMAQI
12th Oct 2025787 PMAQI
12th Oct 2025598 PMAQI
12th Oct 2025599 PMAQI
12th Oct 20256010 PMAQI
12th Oct 20256411 PMAQI
13th Oct 20256612 AMAQI
13th Oct 2025621 AMAQI
13th Oct 2025582 AMAQI
13th Oct 2025623 AMAQI
13th Oct 2025604 AMAQI
13th Oct 2025555 AMAQI
13th Oct 2025426 AMAQI
18°C12/29°C
13th Oct 2025297 AMAQI
13th Oct 2025438 AMAQI
13th Oct 2025589 AMAQI
13th Oct 20256610 AMAQI
13th Oct 20256711 AMAQI
13th Oct 20256812 PMAQI
13th Oct 2025631 PMAQI
13th Oct 2025612 PMAQI
13th Oct 2025573 PMAQI
13th Oct 2025444 PMAQI
13th Oct 2025405 PMAQI
13th Oct 2025536 PMAQI
13th Oct 2025577 PMAQI
13th Oct 2025588 PMAQI
13th Oct 2025609 PMAQI
13th Oct 20255210 PMAQI
13th Oct 20254611 PMAQI
14th Oct 20253312 AMAQI
14th Oct 2025201 AMAQI
14th Oct 2025302 AMAQI
14th Oct 2025373 AMAQI
14th Oct 2025404 AMAQI
14th Oct 2025475 AMAQI
14th Oct 2025306 AMAQI
14°C9/20°C
14th Oct 2025277 AMAQI
14th Oct 2025318 AMAQI
14th Oct 2025559 AMAQI
14th Oct 20255210 AMAQI
14th Oct 20256111 AMAQI
14th Oct 20255912 PMAQI
14th Oct 2025461 PMAQI
14th Oct 2025332 PMAQI
14th Oct 2025113 PMAQI
14th Oct 2025264 PMAQI
14th Oct 2025305 PMAQI
14th Oct 2025316 PMAQI
14th Oct 2025397 PMAQI
14th Oct 2025558 PMAQI
14th Oct 2025549 PMAQI
14th Oct 20255410 PMAQI
14th Oct 20255411 PMAQI
15th Oct 20255412 AMAQI
15th Oct 2025511 AMAQI
15th Oct 2025452 AMAQI
15th Oct 2025363 AMAQI
15th Oct 2025384 AMAQI
15th Oct 2025405 AMAQI
15th Oct 2025416 AMAQI
13°C11/18°C
15th Oct 2025407 AMAQI
15th Oct 2025478 AMAQI
15th Oct 2025439 AMAQI
15th Oct 20254010 AMAQI
15th Oct 20252411 AMAQI
15th Oct 20252512 PMAQI
15th Oct 2025161 PMAQI
15th Oct 2025402 PMAQI
15th Oct 2025383 PMAQI
15th Oct 2025394 PMAQI
15th Oct 2025405 PMAQI
15th Oct 2025366 PMAQI
15th Oct 2025287 PMAQI
15th Oct 2025248 PMAQI
15th Oct 2025379 PMAQI
15th Oct 20254910 PMAQI
15th Oct 20253911 PMAQI
16th Oct 20253112 AMAQI
16th Oct 2025311 AMAQI
16th Oct 2025112 AMAQI
16th Oct 202593 AMAQI
16th Oct 2025334 AMAQI
16th Oct 2025345 AMAQI
16th Oct 2025306 AMAQI
14°C9/20°C
16th Oct 2025367 AMAQI
16th Oct 2025168 AMAQI
16th Oct 2025269 AMAQI
16th Oct 20254610 AMAQI
16th Oct 20255211 AMAQI
16th Oct 20254512 PMAQI
16th Oct 2025231 PMAQI
16th Oct 2025162 PMAQI
16th Oct 2025383 PMAQI
16th Oct 2025544 PMAQI
16th Oct 2025635 PMAQI
16th Oct 2025546 PMAQI
16th Oct 2025527 PMAQI
16th Oct 2025428 PMAQI
16th Oct 2025229 PMAQI
16th Oct 20254510 PMAQI
16th Oct 20255011 PMAQI
17th Oct 20255112 AMAQI
17th Oct 2025261 AMAQI
17th Oct 2025192 AMAQI
17th Oct 2025363 AMAQI
17th Oct 2025444 AMAQI
17th Oct 2025545 AMAQI
17th Oct 2025526 AMAQI
16°C11/24°C
17th Oct 2025477 AMAQI
17th Oct 2025408 AMAQI
17th Oct 2025509 AMAQI
17th Oct 20255310 AMAQI
17th Oct 20254311 AMAQI
17th Oct 20253812 PMAQI
17th Oct 2025461 PMAQI
17th Oct 2025532 PMAQI
17th Oct 2025453 PMAQI
17th Oct 2025274 PMAQI
17th Oct 2025545 PMAQI
17th Oct 2025636 PMAQI
17th Oct 2025537 PMAQI
17th Oct 2025448 PMAQI
17th Oct 2025419 PMAQI
17th Oct 20255410 PMAQI
17th Oct 20255111 PMAQI
18th Oct 20254912 AMAQI
18th Oct 2025531 AMAQI
18th Oct 2025552 AMAQI
18th Oct 2025543 AMAQI
18th Oct 2025544 AMAQI
18th Oct 2025505 AMAQI
18th Oct 2025476 AMAQI
19°C13/28°C
18th Oct 2025437 AMAQI
18th Oct 2025468 AMAQI
18th Oct 2025529 AMAQI
18th Oct 20255010 AMAQI
18th Oct 20254811 AMAQI
18th Oct 20254912 PMAQI
18th Oct 2025421 PMAQI
18th Oct 2025492 PMAQI
18th Oct 2025563 PMAQI
18th Oct 2025564 PMAQI
18th Oct 2025335 PMAQI
18th Oct 2025286 PMAQI
18th Oct 2025437 PMAQI
18th Oct 2025538 PMAQI
18th Oct 2025529 PMAQI
18th Oct 20254410 PMAQI
18th Oct 20254411 PMAQI
19th Oct 20255612 AMAQI
19th Oct 2025541 AMAQI
19th Oct 2025412 AMAQI
19th Oct 2025373 AMAQI
19th Oct 2025504 AMAQI
19th Oct 2025535 AMAQI
19th Oct 2025486 AMAQI
16°C12/25°C
19th Oct 2025537 AMAQI
7 AM19th Oct 2025468 AMAQI
19th Oct 2025329 AMAQI
19th Oct 20253110 AMAQI
19th Oct 20253811 AMAQI
19th Oct 20252312 PMAQI
12 PM19th Oct 2025181 PMAQI
19th Oct 2025102 PMAQI
19th Oct 2025163 PMAQI
19th Oct 2025234 PMAQI
19th Oct 2025145 PMAQI
19th Oct 2025146 PMAQI
6 PM19th Oct 2025157 PMAQI
19th Oct 2025168 PMAQI
19th Oct 2025159 PMAQI
12 AM
6 AM
14°C7/20°C
Day time
Avg. Highest Time
4 PM - 5 PM
55AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 AM - 10 AM
39AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 5 PM (Avg. 55), while the lowest AQI was between 7 AM to 10 AM (Avg. 39).
Night time
Avg. Highest Time
10 PM
48AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM
39AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 10 PM (Avg. 48), while the lowest AQI was between 6 AM to 6 AM (Avg. 39).
2025 Days Vs Air Quality
Cdf Arroyo Grande, Oceano, California, United States
2025
89%
259
11%
33
Total number of days with different AQI categories in last 293 days in 2025 (72 days remaining)
Good
259 DaysModerate
33 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 293 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
Cdf Arroyo Grande, Oceano, California, 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
36AQI
36AQI
2nd January 2025
35AQI
35AQI
3rd January 2025
33AQI
33AQI
4th January 2025
24AQI
24AQI
5th January 2025
23AQI
23AQI
6th January 2025
29AQI
29AQI
7th January 2025
24AQI
24AQI
8th January 2025
38AQI
38AQI
9th January 2025
38AQI
38AQI
10th January 2025
37AQI
37AQI
11th January 2025
31AQI
31AQI
12th January 2025
25AQI
25AQI
13th January 2025
33AQI
33AQI
14th January 2025
32AQI
32AQI
15th January 2025
34AQI
34AQI
16th January 2025
34AQI
34AQI
17th January 2025
33AQI
33AQI
18th January 2025
37AQI
37AQI
19th January 2025
45AQI
45AQI
20th January 2025
44AQI
44AQI
21st January 2025
37AQI
37AQI
22nd January 2025
39AQI
39AQI
23rd January 2025
39AQI
39AQI
24th January 2025
35AQI
35AQI
25th January 2025
39AQI
39AQI
26th January 2025
28AQI
28AQI
27th January 2025
23AQI
23AQI
28th January 2025
30AQI
30AQI
29th January 2025
30AQI
30AQI
30th January 2025
35AQI
35AQI
31st January 2025
35AQI
35AQI
1st February 2025
32AQI
32AQI
2nd February 2025
24AQI
24AQI
3rd February 2025
27AQI
27AQI
4th February 2025
23AQI
23AQI
5th February 2025
21AQI
21AQI
6th February 2025
22AQI
22AQI
7th February 2025
25AQI
25AQI
8th February 2025
22AQI
22AQI
9th February 2025
37AQI
37AQI
10th February 2025
36AQI
36AQI
11th February 2025
35AQI
35AQI
12th February 2025
22AQI
22AQI
13th February 2025
22AQI
22AQI
14th February 2025
45AQI
45AQI
15th February 2025
44AQI
44AQI
16th February 2025
34AQI
34AQI
17th February 2025
42AQI
42AQI
18th February 2025
33AQI
33AQI
19th February 2025
34AQI
34AQI
20th February 2025
23AQI
23AQI
21st February 2025
28AQI
28AQI
22nd February 2025
43AQI
43AQI
23rd February 2025
45AQI
45AQI
24th February 2025
36AQI
36AQI
25th February 2025
35AQI
35AQI
26th February 2025
45AQI
45AQI
27th February 2025
44AQI
44AQI
28th February 2025
42AQI
42AQI
1st March 2025
38AQI
38AQI
2nd March 2025
35AQI
35AQI
3rd March 2025
38AQI
38AQI
4th March 2025
27AQI
27AQI
5th March 2025
23AQI
23AQI
6th March 2025
23AQI
23AQI
7th March 2025
35AQI
35AQI
8th March 2025
30AQI
30AQI
9th March 2025
27AQI
27AQI
10th March 2025
26AQI
26AQI
11th March 2025
28AQI
28AQI
12th March 2025
30AQI
30AQI
13th March 2025
22AQI
22AQI
14th March 2025
26AQI
26AQI
15th March 2025
50AQI
50AQI
16th March 2025
44AQI
44AQI
17th March 2025
32AQI
32AQI
18th March 2025
41AQI
41AQI
19th March 2025
29AQI
29AQI
20th March 2025
34AQI
34AQI
21st March 2025
42AQI
42AQI
22nd March 2025
43AQI
43AQI
23rd March 2025
38AQI
38AQI
24th March 2025
44AQI
44AQI
25th March 2025
32AQI
32AQI
26th March 2025
22AQI
22AQI
27th March 2025
18AQI
18AQI
28th March 2025
45AQI
45AQI
29th March 2025
42AQI
42AQI
30th March 2025
25AQI
25AQI
31st March 2025
17AQI
17AQI
1st April 2025
25AQI
25AQI
2nd April 2025
42AQI
42AQI
3rd April 2025
39AQI
39AQI
4th April 2025
38AQI
38AQI
5th April 2025
33AQI
33AQI
6th April 2025
28AQI
28AQI
7th April 2025
35AQI
35AQI
8th April 2025
26AQI
26AQI
9th April 2025
41AQI
41AQI
10th April 2025
36AQI
36AQI
11th April 2025
42AQI
42AQI
12th April 2025
52AQI
52AQI
13th April 2025
48AQI
48AQI
14th April 2025
27AQI
27AQI
15th April 2025
41AQI
41AQI
16th April 2025
40AQI
40AQI
17th April 2025
33AQI
33AQI
18th April 2025
34AQI
34AQI
19th April 2025
32AQI
32AQI
20th April 2025
29AQI
29AQI
21st April 2025
33AQI
33AQI
22nd April 2025
32AQI
32AQI
23rd April 2025
41AQI
41AQI
24th April 2025
46AQI
46AQI
25th April 2025
29AQI
29AQI
26th April 2025
19AQI
19AQI
27th April 2025
26AQI
26AQI
28th April 2025
39AQI
39AQI
29th April 2025
32AQI
32AQI
30th April 2025
21AQI
21AQI
1st May 2025
19AQI
19AQI
2nd May 2025
31AQI
31AQI
3rd May 2025
45AQI
45AQI
4th May 2025
56AQI
56AQI
5th May 2025
52AQI
52AQI
6th May 2025
49AQI
49AQI
7th May 2025
52AQI
52AQI
8th May 2025
40AQI
40AQI
9th May 2025
35AQI
35AQI
10th May 2025
52AQI
52AQI
11th May 2025
52AQI
52AQI
12th May 2025
31AQI
31AQI
13th May 2025
39AQI
39AQI
14th May 2025
43AQI
43AQI
15th May 2025
45AQI
45AQI
16th May 2025
38AQI
38AQI
17th May 2025
34AQI
34AQI
18th May 2025
38AQI
38AQI
19th May 2025
59AQI
59AQI
20th May 2025
56AQI
56AQI
21st May 2025
55AQI
55AQI
22nd May 2025
61AQI
61AQI
23rd May 2025
52AQI
52AQI
24th May 2025
42AQI
42AQI
25th May 2025
39AQI
39AQI
26th May 2025
46AQI
46AQI
27th May 2025
26AQI
26AQI
28th May 2025
35AQI
35AQI
29th May 2025
40AQI
40AQI
30th May 2025
25AQI
25AQI
31st May 2025
23AQI
23AQI
1st June 2025
25AQI
25AQI
2nd June 2025
33AQI
33AQI
3rd June 2025
33AQI
33AQI
4th June 2025
36AQI
36AQI
5th June 2025
23AQI
23AQI
6th June 2025
23AQI
23AQI
7th June 2025
31AQI
31AQI
8th June 2025
28AQI
28AQI
9th June 2025
22AQI
22AQI
10th June 2025
24AQI
24AQI
11th June 2025
45AQI
45AQI
12th June 2025
48AQI
48AQI
13th June 2025
50AQI
50AQI
14th June 2025
51AQI
51AQI
15th June 2025
46AQI
46AQI
16th June 2025
52AQI
52AQI
17th June 2025
53AQI
53AQI
18th June 2025
52AQI
52AQI
19th June 2025
52AQI
52AQI
20th June 2025
53AQI
53AQI
21st June 2025
51AQI
51AQI
22nd June 2025
55AQI
55AQI
23rd June 2025
44AQI
44AQI
24th June 2025
26AQI
26AQI
25th June 2025
25AQI
25AQI
26th June 2025
24AQI
24AQI
27th June 2025
25AQI
25AQI
28th June 2025
24AQI
24AQI
29th June 2025
26AQI
26AQI
30th June 2025
23AQI
23AQI
1st July 2025
24AQI
24AQI
2nd July 2025
20AQI
20AQI
3rd July 2025
25AQI
25AQI
4th July 2025
32AQI
32AQI
5th July 2025
52AQI
52AQI
6th July 2025
40AQI
40AQI
7th July 2025
28AQI
28AQI
8th July 2025
22AQI
22AQI
9th July 2025
23AQI
23AQI
10th July 2025
25AQI
25AQI
11th July 2025
27AQI
27AQI
12th July 2025
28AQI
28AQI
13th July 2025
25AQI
25AQI
14th July 2025
20AQI
20AQI
15th July 2025
19AQI
19AQI
16th July 2025
19AQI
19AQI
17th July 2025
18AQI
18AQI
18th July 2025
18AQI
18AQI
19th July 2025
20AQI
20AQI
20th July 2025
19AQI
19AQI
21st July 2025
18AQI
18AQI
22nd July 2025
15AQI
15AQI
23rd July 2025
16AQI
16AQI
24th July 2025
16AQI
16AQI
25th July 2025
16AQI
16AQI
26th July 2025
16AQI
16AQI
27th July 2025
17AQI
17AQI
28th July 2025
21AQI
21AQI
29th July 2025
27AQI
27AQI
30th July 2025
30AQI
30AQI
31st July 2025
28AQI
28AQI
1st August 2025
21AQI
21AQI
2nd August 2025
34AQI
34AQI
3rd August 2025
35AQI
35AQI
4th August 2025
60AQI
60AQI
5th August 2025
53AQI
53AQI
6th August 2025
36AQI
36AQI
7th August 2025
29AQI
29AQI
8th August 2025
28AQI
28AQI
9th August 2025
30AQI
30AQI
10th August 2025
30AQI
30AQI
11th August 2025
31AQI
31AQI
12th August 2025
32AQI
32AQI
13th August 2025
28AQI
28AQI
14th August 2025
23AQI
23AQI
15th August 2025
21AQI
21AQI
16th August 2025
22AQI
22AQI
17th August 2025
26AQI
26AQI
18th August 2025
37AQI
37AQI
19th August 2025
39AQI
39AQI
20th August 2025
49AQI
49AQI
21st August 2025
56AQI
56AQI
22nd August 2025
57AQI
57AQI
23rd August 2025
34AQI
34AQI
24th August 2025
27AQI
27AQI
25th August 2025
34AQI
34AQI
26th August 2025
38AQI
38AQI
27th August 2025
39AQI
39AQI
28th August 2025
35AQI
35AQI
29th August 2025
34AQI
34AQI
30th August 2025
41AQI
41AQI
31st August 2025
50AQI
50AQI
1st September 2025
52AQI
52AQI
2nd September 2025
35AQI
35AQI
3rd September 2025
34AQI
34AQI
4th September 2025
33AQI
33AQI
5th September 2025
26AQI
26AQI
6th September 2025
30AQI
30AQI
7th September 2025
33AQI
33AQI
8th September 2025
21AQI
21AQI
9th September 2025
29AQI
29AQI
10th September 2025
20AQI
20AQI
11th September 2025
37AQI
37AQI
12th September 2025
47AQI
47AQI
13th September 2025
47AQI
47AQI
14th September 2025
38AQI
38AQI
15th September 2025
26AQI
26AQI
16th September 2025
26AQI
26AQI
17th September 2025
23AQI
23AQI
18th September 2025
35AQI
35AQI
19th September 2025
43AQI
43AQI
20th September 2025
38AQI
38AQI
21st September 2025
35AQI
35AQI
22nd September 2025
28AQI
28AQI
23rd September 2025
31AQI
31AQI
24th September 2025
41AQI
41AQI
25th September 2025
30AQI
30AQI
26th September 2025
33AQI
33AQI
27th September 2025
39AQI
39AQI
28th September 2025
36AQI
36AQI
29th September 2025
48AQI
48AQI
30th September 2025
46AQI
46AQI
1st October 2025
35AQI
35AQI
2nd October 2025
25AQI
25AQI
3rd October 2025
60AQI
60AQI
4th October 2025
70AQI
70AQI
5th October 2025
58AQI
58AQI
6th October 2025
49AQI
49AQI
7th October 2025
49AQI
49AQI
8th October 2025
56AQI
56AQI
9th October 2025
50AQI
50AQI
10th October 2025
56AQI
56AQI
11th October 2025
62AQI
62AQI
12th October 2025
69AQI
69AQI
13th October 2025
57AQI
57AQI
14th October 2025
39AQI
39AQI
15th October 2025
39AQI
39AQI
16th October 2025
35AQI
35AQI
17th October 2025
44AQI
44AQI
18th October 2025
48AQI
48AQI
19th October 2025
41AQI
41AQI
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
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
33AQI
33AQI
32AQI
35AQI
42AQI
37AQI
23AQI
36AQI
35AQI
50AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202535AQI
31
28
31
29
1
21
10
22
8
30
1
27
4
29
1
11
8
259
33
Highest AQI recorded in
October50AQI
Lowest AQI recorded in
July23AQI
202427AQI
31
29
31
27
3
28
3
25
4
31
31
17
30
1
30
31
341
11
Highest AQI recorded in
June33AQI
Lowest AQI recorded in
July19AQI
202353AQI
23
1
1
6
24
3
29
2
20
10
31
23
1
6
31
27
4
24
6
23
1
1
6
27
2
31
313
29
2
1
18
Highest AQI recorded in
October129AQI
Lowest AQI recorded in
May20AQI
202238AQI
29
1
18
2
26
5
18
12
11
20
17
13
20
2
19
10
30
1
29
1
31
250
65
Highest AQI recorded in
May53AQI
Lowest AQI recorded in
December26AQI
202134AQI
29
1
24
4
30
1
21
9
22
9
24
6
29
28
3
24
6
28
3
29
1
30
1
318
44
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
July25AQI
202036AQI
13
18
2
15
3
26
4
22
3
23
7
1
17
9
3
1
21
8
1
26
4
30
1
211
41
5
1
Highest AQI recorded in
September56AQI
Lowest AQI recorded in
March19AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
53AQILeast Polluted Year Recorded
2024(Avg.)
27AQICdf Arroyo Grande's annual 2025 AQI (35) shows an average percentage change of -2.2% (improved AQI) compared to previous years: 2020 (36), 2021 (34), 2022 (38), 2023 (53), 2024 (27).
