Oak Harbor, Washington, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
Oak Harbor, Washington, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2026
59AQILowest AQI recorded on
2nd Aug 2023
8AQISame Day Analysis (4th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Oak Harbor, Washington, United States
AQI
Day
Night
.
5 AM4th Aug 2026
9 PM
4 AM5th Aug 2026
Day time
Avg. Highest Time
8PM4th Aug
60AQI
Avg. Lowest Time
10AM4th Aug
25AQI
Night time
Avg. Highest Time
10PM4th Aug
84AQI
Avg. Lowest Time
4AM5th Aug
50AQI
In the last 24 hours,
Oak Harbor's AQI reached its highest point of 84 at 10 PM during the Night, while the lowest point, 25, was recorded at 10 AM during the Day between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Oak Harbor, Washington, United States
JulAug
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
7th Jul 2026305 AMAQI
7th Jul 2026306 AMAQI
7th Jul 2026297 AMAQI
7th Jul 2026348 AMAQI
7th Jul 2026349 AMAQI
7th Jul 20263210 AMAQI
7th Jul 20263211 AMAQI
7th Jul 20262912 PMAQI
7th Jul 2026321 PMAQI
7th Jul 2026322 PMAQI
7th Jul 2026323 PMAQI
7th Jul 2026314 PMAQI
7th Jul 2026305 PMAQI
7th Jul 2026276 PMAQI
7th Jul 2026287 PMAQI
7th Jul 2026288 PMAQI
7th Jul 2026289 PMAQI
7th Jul 20262410 PMAQI
7th Jul 20262911 PMAQI
8th Jul 20262812 AMAQI
8th Jul 2026261 AMAQI
8th Jul 2026262 AMAQI
8th Jul 2026223 AMAQI
8th Jul 2026214 AMAQI
15°C11/21°C
8th Jul 2026245 AMAQI
8th Jul 2026246 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026318 AMAQI
8th Jul 2026319 AMAQI
8th Jul 20263210 AMAQI
8th Jul 20263111 AMAQI
8th Jul 20263012 PMAQI
8th Jul 2026321 PMAQI
8th Jul 2026282 PMAQI
8th Jul 2026303 PMAQI
8th Jul 2026304 PMAQI
8th Jul 2026265 PMAQI
8th Jul 2026246 PMAQI
8th Jul 2026267 PMAQI
8th Jul 2026248 PMAQI
8th Jul 2026209 PMAQI
8th Jul 20262610 PMAQI
8th Jul 20262911 PMAQI
9th Jul 20263012 AMAQI
9th Jul 2026261 AMAQI
9th Jul 2026262 AMAQI
9th Jul 2026303 AMAQI
9th Jul 2026264 AMAQI
15°C12/19°C
9th Jul 2026265 AMAQI
9th Jul 2026286 AMAQI
9th Jul 2026317 AMAQI
9th Jul 2026318 AMAQI
9th Jul 2026329 AMAQI
9th Jul 20263110 AMAQI
9th Jul 20262811 AMAQI
9th Jul 20262812 PMAQI
9th Jul 2026311 PMAQI
9th Jul 2026312 PMAQI
9th Jul 2026293 PMAQI
9th Jul 2026304 PMAQI
9th Jul 2026325 PMAQI
9th Jul 2026326 PMAQI
9th Jul 2026287 PMAQI
9th Jul 2026308 PMAQI
9th Jul 2026269 PMAQI
9th Jul 20262710 PMAQI
9th Jul 20262411 PMAQI
10th Jul 20262812 AMAQI
10th Jul 2026311 AMAQI
10th Jul 2026332 AMAQI
10th Jul 2026323 AMAQI
10th Jul 2026324 AMAQI
15°C11/22°C
10th Jul 2026325 AMAQI
10th Jul 2026346 AMAQI
10th Jul 2026367 AMAQI
10th Jul 2026368 AMAQI
10th Jul 2026389 AMAQI
10th Jul 20263610 AMAQI
10th Jul 20263611 AMAQI
10th Jul 20263012 PMAQI
10th Jul 2026341 PMAQI
10th Jul 2026342 PMAQI
10th Jul 2026333 PMAQI
10th Jul 2026374 PMAQI
10th Jul 2026365 PMAQI
10th Jul 2026376 PMAQI
10th Jul 2026327 PMAQI
10th Jul 2026318 PMAQI
10th Jul 2026269 PMAQI
10th Jul 20262710 PMAQI
10th Jul 20262511 PMAQI
11th Jul 20262812 AMAQI
11th Jul 2026341 AMAQI
11th Jul 2026312 AMAQI
11th Jul 2026323 AMAQI
11th Jul 2026284 AMAQI
15°C12/21°C
11th Jul 2026315 AMAQI
11th Jul 2026346 AMAQI
11th Jul 2026347 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026359 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20263211 AMAQI
11th Jul 20263012 PMAQI
11th Jul 2026321 PMAQI
11th Jul 2026322 PMAQI
11th Jul 2026343 PMAQI
11th Jul 2026324 PMAQI
11th Jul 2026315 PMAQI
11th Jul 2026326 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026288 PMAQI
11th Jul 2026259 PMAQI
11th Jul 20262410 PMAQI
11th Jul 20262311 PMAQI
12th Jul 20262812 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026322 AMAQI
12th Jul 2026303 AMAQI
12th Jul 2026324 AMAQI
15°C11/21°C
12th Jul 2026325 AMAQI
12th Jul 2026326 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026308 AMAQI
12th Jul 2026319 AMAQI
12th Jul 20263210 AMAQI
12th Jul 20263111 AMAQI
12th Jul 20263012 PMAQI
12th Jul 2026291 PMAQI
12th Jul 2026302 PMAQI
12th Jul 2026293 PMAQI
12th Jul 2026314 PMAQI
12th Jul 2026315 PMAQI
12th Jul 2026326 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026249 PMAQI
12th Jul 20262310 PMAQI
12th Jul 20262211 PMAQI
13th Jul 20262712 AMAQI
13th Jul 2026301 AMAQI
13th Jul 2026332 AMAQI
13th Jul 2026323 AMAQI
13th Jul 2026324 AMAQI
15°C12/21°C
13th Jul 2026355 AMAQI
13th Jul 2026346 AMAQI
13th Jul 2026347 AMAQI
13th Jul 2026348 AMAQI
13th Jul 2026359 AMAQI
13th Jul 20263510 AMAQI
13th Jul 20263411 AMAQI
13th Jul 20262812 PMAQI
13th Jul 2026311 PMAQI
13th Jul 2026322 PMAQI
13th Jul 2026323 PMAQI
13th Jul 2026294 PMAQI
13th Jul 2026345 PMAQI
13th Jul 2026346 PMAQI
13th Jul 2026267 PMAQI
13th Jul 2026258 PMAQI
13th Jul 2026229 PMAQI
13th Jul 20262210 PMAQI
13th Jul 20262211 PMAQI
14th Jul 20262412 AMAQI
14th Jul 2026321 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026333 AMAQI
14th Jul 2026334 AMAQI
17°C10/24°C
14th Jul 2026325 AMAQI
14th Jul 2026326 AMAQI
14th Jul 2026377 AMAQI
14th Jul 2026388 AMAQI
14th Jul 2026369 AMAQI
14th Jul 20263610 AMAQI
14th Jul 20263311 AMAQI
14th Jul 20262812 PMAQI
14th Jul 2026341 PMAQI
14th Jul 2026282 PMAQI
14th Jul 2026323 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026325 PMAQI
14th Jul 2026346 PMAQI
14th Jul 2026287 PMAQI
14th Jul 2026258 PMAQI
14th Jul 2026209 PMAQI
14th Jul 20262210 PMAQI
14th Jul 20261911 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026261 AMAQI
15th Jul 2026282 AMAQI
15th Jul 2026243 AMAQI
15th Jul 2026294 AMAQI
17°C10/27°C
15th Jul 2026265 AMAQI
15th Jul 2026286 AMAQI
15th Jul 2026267 AMAQI
15th Jul 2026268 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20263110 AMAQI
15th Jul 20262811 AMAQI
15th Jul 20262912 PMAQI
15th Jul 2026301 PMAQI
15th Jul 2026322 PMAQI
15th Jul 2026303 PMAQI
15th Jul 2026294 PMAQI
15th Jul 2026315 PMAQI
15th Jul 2026316 PMAQI
15th Jul 2026297 PMAQI
15th Jul 2026288 PMAQI
15th Jul 2026289 PMAQI
15th Jul 20262810 PMAQI
15th Jul 20262211 PMAQI
16th Jul 20262412 AMAQI
16th Jul 2026281 AMAQI
16th Jul 2026302 AMAQI
16th Jul 2026303 AMAQI
16th Jul 2026304 AMAQI
16°C11/23°C
16th Jul 2026305 AMAQI
16th Jul 2026206 AMAQI
16th Jul 2026207 AMAQI
16th Jul 2026308 AMAQI
16th Jul 2026329 AMAQI
16th Jul 20263210 AMAQI
16th Jul 20263211 AMAQI
16th Jul 20262212 PMAQI
16th Jul 2026211 PMAQI
16th Jul 2026202 PMAQI
16th Jul 2026313 PMAQI
16th Jul 2026274 PMAQI
16th Jul 2026285 PMAQI
16th Jul 2026306 PMAQI
16th Jul 2026307 PMAQI
16th Jul 2026288 PMAQI
16th Jul 2026279 PMAQI
16th Jul 20262610 PMAQI
16th Jul 20262511 PMAQI
17th Jul 20261912 AMAQI
17th Jul 2026221 AMAQI
17th Jul 2026562 AMAQI
17th Jul 2026603 AMAQI
17th Jul 2026364 AMAQI
15°C11/19°C
17th Jul 2026425 AMAQI
17th Jul 2026426 AMAQI
17th Jul 2026367 AMAQI
17th Jul 2026388 AMAQI
17th Jul 2026429 AMAQI
17th Jul 20263610 AMAQI
17th Jul 20265211 AMAQI
17th Jul 20264612 PMAQI
17th Jul 2026581 PMAQI
17th Jul 2026642 PMAQI
17th Jul 2026603 PMAQI
17th Jul 2026454 PMAQI
17th Jul 2026565 PMAQI
17th Jul 2026236 PMAQI
17th Jul 2026457 PMAQI
17th Jul 2026538 PMAQI
17th Jul 2026589 PMAQI
17th Jul 20265210 PMAQI
17th Jul 20265211 PMAQI
18th Jul 20263812 AMAQI
18th Jul 2026561 AMAQI
18th Jul 2026582 AMAQI
18th Jul 2026563 AMAQI
18th Jul 2026544 AMAQI
16°C13/21°C
18th Jul 2026525 AMAQI
18th Jul 2026386 AMAQI
18th Jul 2026287 AMAQI
18th Jul 2026208 AMAQI
18th Jul 2026189 AMAQI
18th Jul 20264610 AMAQI
18th Jul 20262411 AMAQI
18th Jul 20263412 PMAQI
18th Jul 2026681 PMAQI
18th Jul 20261002 PMAQI
18th Jul 2026823 PMAQI
18th Jul 2026674 PMAQI
18th Jul 2026525 PMAQI
18th Jul 2026586 PMAQI
18th Jul 2026427 PMAQI
18th Jul 2026248 PMAQI
18th Jul 2026209 PMAQI
18th Jul 20262610 PMAQI
18th Jul 20261911 PMAQI
19th Jul 20261612 AMAQI
19th Jul 2026141 AMAQI
19th Jul 2026462 AMAQI
19th Jul 2026563 AMAQI
19th Jul 2026524 AMAQI
16°C12/23°C
19th Jul 2026585 AMAQI
19th Jul 2026406 AMAQI
19th Jul 2026557 AMAQI
19th Jul 2026468 AMAQI
19th Jul 2026249 AMAQI
19th Jul 20262410 AMAQI
19th Jul 20262611 AMAQI
19th Jul 20262212 PMAQI
19th Jul 2026231 PMAQI
19th Jul 2026522 PMAQI
19th Jul 2026423 PMAQI
19th Jul 2026604 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026446 PMAQI
19th Jul 2026637 PMAQI
19th Jul 2026588 PMAQI
19th Jul 2026569 PMAQI
19th Jul 20265410 PMAQI
19th Jul 20263611 PMAQI
20th Jul 20263812 AMAQI
20th Jul 2026301 AMAQI
20th Jul 2026582 AMAQI
20th Jul 2026543 AMAQI
20th Jul 2026504 AMAQI
16°C11/25°C
20th Jul 2026505 AMAQI
20th Jul 2026506 AMAQI
20th Jul 2026507 AMAQI
20th Jul 2026548 AMAQI
20th Jul 2026469 AMAQI
20th Jul 20265210 AMAQI
20th Jul 20266011 AMAQI
20th Jul 20264712 PMAQI
20th Jul 2026501 PMAQI
20th Jul 2026392 PMAQI
20th Jul 2026403 PMAQI
20th Jul 2026294 PMAQI
20th Jul 2026405 PMAQI
20th Jul 2026386 PMAQI
20th Jul 2026467 PMAQI
20th Jul 2026449 PMAQI
20th Jul 20264010 PMAQI
20th Jul 20264611 PMAQI
21st Jul 20264412 AMAQI
21st Jul 2026421 AMAQI
21st Jul 2026422 AMAQI
21st Jul 2026463 AMAQI
21st Jul 2026444 AMAQI
18°C11/27°C
21st Jul 2026495 AMAQI
21st Jul 2026486 AMAQI
21st Jul 2026537 AMAQI
21st Jul 2026508 AMAQI
21st Jul 2026469 AMAQI
21st Jul 20264810 AMAQI
21st Jul 20264411 AMAQI
21st Jul 20264912 PMAQI
21st Jul 2026461 PMAQI
21st Jul 2026462 PMAQI
21st Jul 2026443 PMAQI
21st Jul 2026464 PMAQI
21st Jul 2026425 PMAQI
21st Jul 2026486 PMAQI
21st Jul 2026527 PMAQI
21st Jul 2026508 PMAQI
21st Jul 2026519 PMAQI
21st Jul 20265110 PMAQI
21st Jul 20264811 PMAQI
22nd Jul 20264612 AMAQI
22nd Jul 2026441 AMAQI
22nd Jul 2026502 AMAQI
22nd Jul 2026513 AMAQI
22nd Jul 2026464 AMAQI
21°C13/30°C
22nd Jul 2026465 AMAQI
22nd Jul 2026486 AMAQI
22nd Jul 2026487 AMAQI
22nd Jul 2026588 AMAQI
22nd Jul 2026469 AMAQI
22nd Jul 20265010 AMAQI
22nd Jul 20264211 AMAQI
22nd Jul 20265112 PMAQI
22nd Jul 2026511 PMAQI
22nd Jul 2026572 PMAQI
22nd Jul 2026583 PMAQI
22nd Jul 2026604 PMAQI
22nd Jul 2026625 PMAQI
22nd Jul 2026626 PMAQI
22nd Jul 2026597 PMAQI
22nd Jul 2026588 PMAQI
22nd Jul 2026599 PMAQI
22nd Jul 20265610 PMAQI
22nd Jul 20265511 PMAQI
23rd Jul 20265612 AMAQI
23rd Jul 2026541 AMAQI
23rd Jul 2026542 AMAQI
23rd Jul 2026533 AMAQI
23rd Jul 2026504 AMAQI
21°C13/31°C
23rd Jul 2026525 AMAQI
23rd Jul 2026426 AMAQI
23rd Jul 2026367 AMAQI
23rd Jul 2026488 AMAQI
23rd Jul 2026539 AMAQI
23rd Jul 20264810 AMAQI
23rd Jul 20264811 AMAQI
23rd Jul 20264212 PMAQI
23rd Jul 2026401 PMAQI
23rd Jul 2026522 PMAQI
23rd Jul 2026403 PMAQI
23rd Jul 2026214 PMAQI
23rd Jul 2026305 PMAQI
23rd Jul 2026296 PMAQI
23rd Jul 2026367 PMAQI
23rd Jul 2026428 PMAQI
23rd Jul 2026489 PMAQI
23rd Jul 20264610 PMAQI
23rd Jul 20266011 PMAQI
24th Jul 20264412 AMAQI
24th Jul 2026571 AMAQI
24th Jul 2026382 AMAQI
24th Jul 2026503 AMAQI
24th Jul 2026604 AMAQI
18°C15/22°C
24th Jul 2026545 AMAQI
24th Jul 2026526 AMAQI
24th Jul 2026647 AMAQI
24th Jul 2026708 AMAQI
24th Jul 2026569 AMAQI
24th Jul 20265010 AMAQI
24th Jul 20265411 AMAQI
24th Jul 20266512 PMAQI
24th Jul 2026631 PMAQI
24th Jul 2026522 PMAQI
24th Jul 2026503 PMAQI
24th Jul 2026634 PMAQI
24th Jul 2026545 PMAQI
24th Jul 2026416 PMAQI
24th Jul 2026627 PMAQI
24th Jul 2026468 PMAQI
24th Jul 2026519 PMAQI
24th Jul 20266010 PMAQI
24th Jul 20265511 PMAQI
25th Jul 20265112 AMAQI
25th Jul 2026561 AMAQI
25th Jul 2026652 AMAQI
25th Jul 2026703 AMAQI
25th Jul 2026604 AMAQI
17°C13/22°C
25th Jul 2026645 AMAQI
25th Jul 2026646 AMAQI
25th Jul 2026637 AMAQI
25th Jul 2026598 AMAQI
25th Jul 2026589 AMAQI
25th Jul 20266010 AMAQI
25th Jul 20266611 AMAQI
25th Jul 20266312 PMAQI
25th Jul 2026571 PMAQI
25th Jul 2026742 PMAQI
25th Jul 2026623 PMAQI
25th Jul 2026584 PMAQI
25th Jul 2026695 PMAQI
25th Jul 2026646 PMAQI
25th Jul 2026647 PMAQI
25th Jul 2026658 PMAQI
25th Jul 2026579 PMAQI
25th Jul 20265910 PMAQI
25th Jul 20265811 PMAQI
26th Jul 20263812 AMAQI
26th Jul 2026571 AMAQI
26th Jul 2026602 AMAQI
26th Jul 2026423 AMAQI
26th Jul 2026474 AMAQI
17°C13/23°C
26th Jul 2026625 AMAQI
26th Jul 2026606 AMAQI
26th Jul 2026707 AMAQI
26th Jul 2026648 AMAQI
26th Jul 2026689 AMAQI
26th Jul 20267110 AMAQI
26th Jul 20265711 AMAQI
26th Jul 20266212 PMAQI
26th Jul 2026601 PMAQI
26th Jul 2026592 PMAQI
26th Jul 2026583 PMAQI
26th Jul 2026504 PMAQI
26th Jul 2026585 PMAQI
26th Jul 2026676 PMAQI
26th Jul 2026637 PMAQI
26th Jul 2026658 PMAQI
26th Jul 2026609 PMAQI
26th Jul 20266010 PMAQI
26th Jul 20266611 PMAQI
27th Jul 20266212 AMAQI
27th Jul 2026621 AMAQI
27th Jul 2026702 AMAQI
27th Jul 2026673 AMAQI
27th Jul 2026424 AMAQI
17°C13/23°C
27th Jul 2026655 AMAQI
27th Jul 2026646 AMAQI
27th Jul 2026677 AMAQI
27th Jul 2026698 AMAQI
27th Jul 2026719 AMAQI
27th Jul 20267410 AMAQI
27th Jul 20267211 AMAQI
27th Jul 20267112 PMAQI
27th Jul 2026621 PMAQI
27th Jul 2026652 PMAQI
27th Jul 2026643 PMAQI
27th Jul 2026644 PMAQI
27th Jul 2026735 PMAQI
27th Jul 2026456 PMAQI
27th Jul 2026697 PMAQI
27th Jul 2026678 PMAQI
27th Jul 2026659 PMAQI
27th Jul 20266010 PMAQI
27th Jul 20266211 PMAQI
28th Jul 20266012 AMAQI
28th Jul 2026601 AMAQI
28th Jul 2026582 AMAQI
28th Jul 2026663 AMAQI
28th Jul 2026734 AMAQI
18°C13/24°C
28th Jul 2026735 AMAQI
28th Jul 2026496 AMAQI
28th Jul 2026767 AMAQI
28th Jul 2026728 AMAQI
28th Jul 2026749 AMAQI
28th Jul 20267410 AMAQI
28th Jul 20267211 AMAQI
28th Jul 20267312 PMAQI
28th Jul 2026621 PMAQI
28th Jul 2026692 PMAQI
28th Jul 2026663 PMAQI
28th Jul 2026694 PMAQI
28th Jul 2026645 PMAQI
28th Jul 2026436 PMAQI
28th Jul 2026477 PMAQI
28th Jul 2026698 PMAQI
28th Jul 2026689 PMAQI
28th Jul 20263610 PMAQI
28th Jul 20266711 PMAQI
29th Jul 20263612 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026462 AMAQI
29th Jul 2026423 AMAQI
29th Jul 2026544 AMAQI
16°C13/21°C
29th Jul 2026565 AMAQI
29th Jul 2026506 AMAQI
29th Jul 2026487 AMAQI
29th Jul 2026468 AMAQI
29th Jul 2026609 AMAQI
29th Jul 20264210 AMAQI
29th Jul 20265411 AMAQI
29th Jul 20266412 PMAQI
29th Jul 2026401 PMAQI
29th Jul 2026662 PMAQI
29th Jul 2026603 PMAQI
29th Jul 2026294 PMAQI
29th Jul 2026605 PMAQI
29th Jul 2026606 PMAQI
29th Jul 2026607 PMAQI
29th Jul 2026368 PMAQI
29th Jul 2026599 PMAQI
29th Jul 20266210 PMAQI
29th Jul 20266211 PMAQI
30th Jul 20266012 AMAQI
30th Jul 2026621 AMAQI
30th Jul 2026642 AMAQI
30th Jul 2026713 AMAQI
30th Jul 2026684 AMAQI
16°C11/23°C
30th Jul 2026705 AMAQI
30th Jul 2026726 AMAQI
30th Jul 2026467 AMAQI
30th Jul 2026708 AMAQI
30th Jul 2026369 AMAQI
30th Jul 20266910 AMAQI
30th Jul 20266811 AMAQI
30th Jul 20266812 PMAQI
30th Jul 2026641 PMAQI
30th Jul 2026582 PMAQI
30th Jul 2026703 PMAQI
30th Jul 2026444 PMAQI
30th Jul 2026545 PMAQI
30th Jul 2026686 PMAQI
30th Jul 2026647 PMAQI
30th Jul 2026648 PMAQI
30th Jul 2026569 PMAQI
30th Jul 20265810 PMAQI
30th Jul 20266211 PMAQI
31st Jul 20263612 AMAQI
31st Jul 2026381 AMAQI
31st Jul 2026672 AMAQI
31st Jul 2026563 AMAQI
31st Jul 2026524 AMAQI
16°C11/23°C
31st Jul 2026545 AMAQI
31st Jul 2026676 AMAQI
31st Jul 2026627 AMAQI
31st Jul 2026708 AMAQI
31st Jul 2026649 AMAQI
31st Jul 20264210 AMAQI
31st Jul 20266911 AMAQI
31st Jul 20267612 PMAQI
31st Jul 2026421 PMAQI
31st Jul 2026512 PMAQI
31st Jul 2026563 PMAQI
31st Jul 2026584 PMAQI
31st Jul 2026575 PMAQI
31st Jul 2026586 PMAQI
31st Jul 2026607 PMAQI
31st Jul 2026578 PMAQI
31st Jul 2026449 PMAQI
31st Jul 20264710 PMAQI
31st Jul 20264611 PMAQI
1st Aug 20265412 AMAQI
1st Aug 2026661 AMAQI
1st Aug 2026662 AMAQI
1st Aug 2026583 AMAQI
1st Aug 2026544 AMAQI
18°C11/26°C
1st Aug 2026675 AMAQI
1st Aug 2026666 AMAQI
1st Aug 2026737 AMAQI
1st Aug 2026668 AMAQI
1st Aug 2026699 AMAQI
1st Aug 20267010 AMAQI
1st Aug 20266911 AMAQI
1st Aug 20266912 PMAQI
1st Aug 2026711 PMAQI
1st Aug 2026622 PMAQI
1st Aug 2026643 PMAQI
1st Aug 2026644 PMAQI
1st Aug 2026635 PMAQI
1st Aug 2026286 PMAQI
1st Aug 2026647 PMAQI
1st Aug 2026718 PMAQI
1st Aug 2026569 PMAQI
1st Aug 20261810 PMAQI
1st Aug 20261611 PMAQI
2nd Aug 20261812 AMAQI
2nd Aug 2026601 AMAQI
2nd Aug 2026652 AMAQI
2nd Aug 2026503 AMAQI
2nd Aug 2026594 AMAQI
16°C12/20°C
2nd Aug 2026655 AMAQI
2nd Aug 2026686 AMAQI
2nd Aug 2026637 AMAQI
2nd Aug 2026648 AMAQI
2nd Aug 2026659 AMAQI
2nd Aug 20267010 AMAQI
2nd Aug 20266911 AMAQI
2nd Aug 20266012 PMAQI
2nd Aug 2026581 PMAQI
2nd Aug 2026572 PMAQI
2nd Aug 2026573 PMAQI
2nd Aug 2026634 PMAQI
2nd Aug 2026425 PMAQI
2nd Aug 2026276 PMAQI
2nd Aug 2026667 PMAQI
2nd Aug 2026628 PMAQI
2nd Aug 2026609 PMAQI
2nd Aug 20266510 PMAQI
2nd Aug 20266511 PMAQI
3rd Aug 20266612 AMAQI
3rd Aug 2026661 AMAQI
3rd Aug 2026742 AMAQI
3rd Aug 2026523 AMAQI
3rd Aug 2026584 AMAQI
16°C11/22°C
3rd Aug 2026585 AMAQI
3rd Aug 2026566 AMAQI
3rd Aug 2026567 AMAQI
3rd Aug 2026608 AMAQI
3rd Aug 2026569 AMAQI
3rd Aug 20265610 AMAQI
3rd Aug 20267111 AMAQI
3rd Aug 20266612 PMAQI
3rd Aug 20261061 PMAQI
3rd Aug 20261412 PMAQI
3rd Aug 2026273 PMAQI
3rd Aug 2026384 PMAQI
3rd Aug 2026425 PMAQI
3rd Aug 2026426 PMAQI
3rd Aug 2026407 PMAQI
3rd Aug 2026408 PMAQI
3rd Aug 2026329 PMAQI
3rd Aug 20264010 PMAQI
3rd Aug 20263011 PMAQI
4th Aug 20264612 AMAQI
4th Aug 2026381 AMAQI
4th Aug 2026482 AMAQI
4th Aug 2026423 AMAQI
4th Aug 2026444 AMAQI
17°C11/25°C
4th Aug 2026445 AMAQI
4th Aug 2026406 AMAQI
4th Aug 2026447 AMAQI
4th Aug 2026408 AMAQI
4th Aug 2026449 AMAQI
4th Aug 20262510 AMAQI
4th Aug 20265011 AMAQI
4th Aug 20265512 PMAQI
4th Aug 2026531 PMAQI
4th Aug 2026552 PMAQI
4th Aug 2026563 PMAQI
4th Aug 2026564 PMAQI
4th Aug 2026565 PMAQI
4th Aug 2026586 PMAQI
4th Aug 2026597 PMAQI
4th Aug 2026608 PMAQI
4th Aug 2026729 PMAQI
4th Aug 20268410 PMAQI
4th Aug 20267011 PMAQI
5th Aug 20265112 AMAQI
5th Aug 2026501 AMAQI
5th Aug 2026562 AMAQI
5th Aug 2026533 AMAQI
5th Aug 2026504 AMAQI
18°C11/26°C
5th Aug 2026465 AMAQI
5 AM5th Aug 2026446 AMAQI
5th Aug 2026467 AMAQI
5th Aug 2026608 AMAQI
5th Aug 2026599 AMAQI
5th Aug 20266210 AMAQI
5th Aug 202610911 AMAQI
5th Aug 20266512 PMAQI
5th Aug 2026571 PMAQI
1 PM5th Aug 2026602 PMAQI
5th Aug 2026653 PMAQI
5th Aug 2026784 PMAQI
5th Aug 2026905 PMAQI
5th Aug 2026856 PMAQI
5th Aug 2026887 PMAQI
5th Aug 2026828 PMAQI
5th Aug 2026769 PMAQI
9 PM5th Aug 20266910 PMAQI
1 AM
4 AM
19°C13/28°C
Day time
Avg. Highest Time
2 PM
53AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM
43AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 2 PM (Avg. 53), while the lowest AQI was between 6 PM to 6 PM (Avg. 43).
Night time
Avg. Highest Time
2 AM
48AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM
38AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 2 AM (Avg. 48), while the lowest AQI was between 12 AM to 12 AM (Avg. 38).
2026 Days Vs Air Quality
Oak Harbor, Washington, United States
2026
91%
194
9%
19
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Good
194 DaysModerate
19 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2026, 91% of 217 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
Oak Harbor, Washington, 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
23AQI (US)
23AQI (US)
2nd January 2026
18AQI (US)
18AQI (US)
3rd January 2026
13AQI (US)
13AQI (US)
4th January 2026
19AQI (US)
19AQI (US)
5th January 2026
23AQI (US)
23AQI (US)
6th January 2026
20AQI (US)
20AQI (US)
7th January 2026
20AQI (US)
20AQI (US)
8th January 2026
20AQI (US)
20AQI (US)
9th January 2026
19AQI (US)
19AQI (US)
10th January 2026
27AQI (US)
27AQI (US)
11th January 2026
28AQI (US)
28AQI (US)
12th January 2026
24AQI (US)
24AQI (US)
13th January 2026
44AQI (US)
44AQI (US)
14th January 2026
26AQI (US)
26AQI (US)
15th January 2026
19AQI (US)
19AQI (US)
16th January 2026
18AQI (US)
18AQI (US)
17th January 2026
22AQI (US)
22AQI (US)
18th January 2026
19AQI (US)
19AQI (US)
19th January 2026
21AQI (US)
21AQI (US)
20th January 2026
27AQI (US)
27AQI (US)
21st January 2026
26AQI (US)
26AQI (US)
22nd January 2026
48AQI (US)
48AQI (US)
23rd January 2026
53AQI (US)
53AQI (US)
24th January 2026
49AQI (US)
49AQI (US)
25th January 2026
47AQI (US)
47AQI (US)
26th January 2026
46AQI (US)
46AQI (US)
27th January 2026
42AQI (US)
42AQI (US)
28th January 2026
46AQI (US)
46AQI (US)
29th January 2026
52AQI (US)
52AQI (US)
30th January 2026
46AQI (US)
46AQI (US)
31st January 2026
45AQI (US)
45AQI (US)
1st February 2026
50AQI (US)
50AQI (US)
2nd February 2026
50AQI (US)
50AQI (US)
3rd February 2026
50AQI (US)
50AQI (US)
4th February 2026
49AQI (US)
49AQI (US)
5th February 2026
48AQI (US)
48AQI (US)
6th February 2026
41AQI (US)
41AQI (US)
7th February 2026
40AQI (US)
40AQI (US)
8th February 2026
46AQI (US)
46AQI (US)
9th February 2026
46AQI (US)
46AQI (US)
10th February 2026
48AQI (US)
48AQI (US)
11th February 2026
44AQI (US)
44AQI (US)
12th February 2026
28AQI (US)
28AQI (US)
13th February 2026
51AQI (US)
51AQI (US)
14th February 2026
49AQI (US)
49AQI (US)
15th February 2026
39AQI (US)
39AQI (US)
16th February 2026
37AQI (US)
37AQI (US)
17th February 2026
47AQI (US)
47AQI (US)
18th February 2026
40AQI (US)
40AQI (US)
19th February 2026
41AQI (US)
41AQI (US)
20th February 2026
28AQI (US)
28AQI (US)
21st February 2026
37AQI (US)
37AQI (US)
22nd February 2026
36AQI (US)
36AQI (US)
23rd February 2026
38AQI (US)
38AQI (US)
24th February 2026
36AQI (US)
36AQI (US)
25th February 2026
30AQI (US)
30AQI (US)
26th February 2026
35AQI (US)
35AQI (US)
27th February 2026
30AQI (US)
30AQI (US)
28th February 2026
34AQI (US)
34AQI (US)
1st March 2026
35AQI (US)
35AQI (US)
2nd March 2026
30AQI (US)
30AQI (US)
3rd March 2026
44AQI (US)
44AQI (US)
4th March 2026
47AQI (US)
47AQI (US)
5th March 2026
35AQI (US)
35AQI (US)
6th March 2026
36AQI (US)
36AQI (US)
7th March 2026
42AQI (US)
42AQI (US)
8th March 2026
36AQI (US)
36AQI (US)
9th March 2026
41AQI (US)
41AQI (US)
10th March 2026
35AQI (US)
35AQI (US)
11th March 2026
40AQI (US)
40AQI (US)
12th March 2026
40AQI (US)
40AQI (US)
13th March 2026
38AQI (US)
38AQI (US)
14th March 2026
35AQI (US)
35AQI (US)
15th March 2026
34AQI (US)
34AQI (US)
16th March 2026
34AQI (US)
34AQI (US)
17th March 2026
34AQI (US)
34AQI (US)
18th March 2026
32AQI (US)
32AQI (US)
19th March 2026
33AQI (US)
33AQI (US)
20th March 2026
39AQI (US)
39AQI (US)
21st March 2026
33AQI (US)
33AQI (US)
22nd March 2026
34AQI (US)
34AQI (US)
23rd March 2026
35AQI (US)
35AQI (US)
24th March 2026
36AQI (US)
36AQI (US)
25th March 2026
35AQI (US)
35AQI (US)
26th March 2026
33AQI (US)
33AQI (US)
27th March 2026
32AQI (US)
32AQI (US)
28th March 2026
32AQI (US)
32AQI (US)
29th March 2026
30AQI (US)
30AQI (US)
30th March 2026
26AQI (US)
26AQI (US)
31st March 2026
26AQI (US)
26AQI (US)
1st April 2026
32AQI (US)
32AQI (US)
2nd April 2026
36AQI (US)
36AQI (US)
3rd April 2026
26AQI (US)
26AQI (US)
4th April 2026
28AQI (US)
28AQI (US)
5th April 2026
28AQI (US)
28AQI (US)
6th April 2026
23AQI (US)
23AQI (US)
7th April 2026
19AQI (US)
19AQI (US)
8th April 2026
22AQI (US)
22AQI (US)
9th April 2026
20AQI (US)
20AQI (US)
10th April 2026
19AQI (US)
19AQI (US)
11th April 2026
27AQI (US)
27AQI (US)
12th April 2026
30AQI (US)
30AQI (US)
13th April 2026
34AQI (US)
34AQI (US)
14th April 2026
36AQI (US)
36AQI (US)
15th April 2026
28AQI (US)
28AQI (US)
16th April 2026
32AQI (US)
32AQI (US)
17th April 2026
18th April 2026
28AQI (US)
28AQI (US)
19th April 2026
30AQI (US)
30AQI (US)
20th April 2026
24AQI (US)
24AQI (US)
21st April 2026
18AQI (US)
18AQI (US)
22nd April 2026
23rd April 2026
18AQI (US)
18AQI (US)
24th April 2026
22AQI (US)
22AQI (US)
25th April 2026
26AQI (US)
26AQI (US)
26th April 2026
26AQI (US)
26AQI (US)
27th April 2026
20AQI (US)
20AQI (US)
28th April 2026
22AQI (US)
22AQI (US)
29th April 2026
18AQI (US)
18AQI (US)
30th April 2026
23AQI (US)
23AQI (US)
1st May 2026
17AQI (US)
17AQI (US)
2nd May 2026
14AQI (US)
14AQI (US)
3rd May 2026
15AQI (US)
15AQI (US)
4th May 2026
20AQI (US)
20AQI (US)
5th May 2026
21AQI (US)
21AQI (US)
6th May 2026
27AQI (US)
27AQI (US)
7th May 2026
17AQI (US)
17AQI (US)
8th May 2026
17AQI (US)
17AQI (US)
9th May 2026
10th May 2026
32AQI (US)
32AQI (US)
11th May 2026
28AQI (US)
28AQI (US)
12th May 2026
27AQI (US)
27AQI (US)
13th May 2026
29AQI (US)
29AQI (US)
14th May 2026
26AQI (US)
26AQI (US)
15th May 2026
45AQI (US)
45AQI (US)
16th May 2026
52AQI (US)
52AQI (US)
17th May 2026
58AQI (US)
58AQI (US)
18th May 2026
57AQI (US)
57AQI (US)
19th May 2026
49AQI (US)
49AQI (US)
20th May 2026
50AQI (US)
50AQI (US)
21st May 2026
36AQI (US)
36AQI (US)
22nd May 2026
47AQI (US)
47AQI (US)
23rd May 2026
49AQI (US)
49AQI (US)
24th May 2026
38AQI (US)
38AQI (US)
25th May 2026
40AQI (US)
40AQI (US)
26th May 2026
27AQI (US)
27AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
28AQI (US)
28AQI (US)
29th May 2026
26AQI (US)
26AQI (US)
30th May 2026
28AQI (US)
28AQI (US)
31st May 2026
29AQI (US)
29AQI (US)
1st June 2026
31AQI (US)
31AQI (US)
2nd June 2026
31AQI (US)
31AQI (US)
3rd June 2026
30AQI (US)
30AQI (US)
4th June 2026
26AQI (US)
26AQI (US)
5th June 2026
28AQI (US)
28AQI (US)
6th June 2026
25AQI (US)
25AQI (US)
7th June 2026
24AQI (US)
24AQI (US)
8th June 2026
26AQI (US)
26AQI (US)
9th June 2026
26AQI (US)
26AQI (US)
10th June 2026
28AQI (US)
28AQI (US)
11th June 2026
27AQI (US)
27AQI (US)
12th June 2026
27AQI (US)
27AQI (US)
13th June 2026
22AQI (US)
22AQI (US)
14th June 2026
23AQI (US)
23AQI (US)
15th June 2026
26AQI (US)
26AQI (US)
16th June 2026
27AQI (US)
27AQI (US)
17th June 2026
28AQI (US)
28AQI (US)
18th June 2026
27AQI (US)
27AQI (US)
19th June 2026
25AQI (US)
25AQI (US)
20th June 2026
24AQI (US)
24AQI (US)
21st June 2026
23AQI (US)
23AQI (US)
22nd June 2026
25AQI (US)
25AQI (US)
23rd June 2026
25AQI (US)
25AQI (US)
24th June 2026
23AQI (US)
23AQI (US)
25th June 2026
22AQI (US)
22AQI (US)
26th June 2026
28AQI (US)
28AQI (US)
27th June 2026
29AQI (US)
29AQI (US)
28th June 2026
27AQI (US)
27AQI (US)
29th June 2026
25AQI (US)
25AQI (US)
30th June 2026
27AQI (US)
27AQI (US)
1st July 2026
27AQI (US)
27AQI (US)
2nd July 2026
28AQI (US)
28AQI (US)
3rd July 2026
28AQI (US)
28AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
26AQI (US)
26AQI (US)
6th July 2026
28AQI (US)
28AQI (US)
7th July 2026
28AQI (US)
28AQI (US)
8th July 2026
27AQI (US)
27AQI (US)
9th July 2026
29AQI (US)
29AQI (US)
10th July 2026
33AQI (US)
33AQI (US)
11th July 2026
31AQI (US)
31AQI (US)
12th July 2026
29AQI (US)
29AQI (US)
13th July 2026
30AQI (US)
30AQI (US)
14th July 2026
30AQI (US)
30AQI (US)
15th July 2026
28AQI (US)
28AQI (US)
16th July 2026
27AQI (US)
27AQI (US)
17th July 2026
46AQI (US)
46AQI (US)
18th July 2026
45AQI (US)
45AQI (US)
19th July 2026
42AQI (US)
42AQI (US)
20th July 2026
46AQI (US)
46AQI (US)
21st July 2026
47AQI (US)
47AQI (US)
22nd July 2026
53AQI (US)
53AQI (US)
23rd July 2026
45AQI (US)
45AQI (US)
24th July 2026
55AQI (US)
55AQI (US)
25th July 2026
62AQI (US)
62AQI (US)
26th July 2026
59AQI (US)
59AQI (US)
27th July 2026
65AQI (US)
65AQI (US)
28th July 2026
64AQI (US)
64AQI (US)
29th July 2026
51AQI (US)
51AQI (US)
30th July 2026
62AQI (US)
62AQI (US)
31st July 2026
55AQI (US)
55AQI (US)
1st August 2026
59AQI (US)
59AQI (US)
2nd August 2026
58AQI (US)
58AQI (US)
3rd August 2026
57AQI (US)
57AQI (US)
4th August 2026
52AQI (US)
52AQI (US)
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
31AQI (US)
41AQI (US)
35AQI (US)
26AQI (US)
33AQI (US)
26AQI (US)
40AQI (US)
57AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202634AQI (US)
29
2
27
1
31
28
27
3
30
22
9
4
194
19
Highest AQI (US) recorded in
August57AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202523AQI (US)
31
28
31
30
31
30
31
31
30
24
7
30
31
358
7
Highest AQI (US) recorded in
October39AQI (US)
Lowest AQI (US) recorded in
May14AQI (US)
202414AQI (US)
30
29
29
30
31
29
31
31
30
31
29
1
31
361
1
Highest AQI (US) recorded in
December22AQI (US)
Lowest AQI (US) recorded in
May8AQI (US)
202311AQI (US)
30
28
31
29
31
30
31
29
1
30
31
29
31
360
1
Highest AQI (US) recorded in
August18AQI (US)
Lowest AQI (US) recorded in
April5AQI (US)
202214AQI (US)
21
31
25
31
30
23
1
27
2
29
2
30
31
279
4
Highest AQI (US) recorded in
October24AQI (US)
Lowest AQI (US) recorded in
March7AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2026(Avg.)
34AQI (US)Least Polluted Year Recorded
2023(Avg.)
11AQI (US)Oak Harbor's annual 2026 AQI (US) (34) shows an average percentage change of 135.6% (worsened AQI (US)) compared to previous years: 2022 (14), 2023 (11), 2024 (14), 2025 (23).
