Port Townsend, 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
Port Townsend, Washington, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Aug 2023
86AQILowest AQI recorded on
3rd Aug 2023
12AQISame Day Analysis (10th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 60 of Moderate air quality on the same day.
Day & Night AQI Trend: 10th Aug - 11th Aug 2026
Port Townsend, Washington, United States
AQI
Day
Night
.
5 AM10th Aug 2026
8 PM
4 AM11th Aug 2026
Day time
Avg. Highest Time
5AM10th Aug
80AQI
Avg. Lowest Time
1PM10th Aug
33AQI
Night time
Avg. Highest Time
3AM11th Aug
72AQI
Avg. Lowest Time
1AM11th Aug
44AQI
In the last 24 hours,
Port Townsend's AQI reached its highest point of 80 at 5 AM during the Day, while the lowest point, 33, was recorded at 1 PM during the Day between 10th Aug and 11th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Port Townsend, Washington, United States
JulAug
13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
13th Jul 2026335 AMAQI
13th Jul 2026346 AMAQI
13th Jul 2026327 AMAQI
13th Jul 2026358 AMAQI
13th Jul 2026359 AMAQI
13th Jul 20263510 AMAQI
13th Jul 20263311 AMAQI
13th Jul 20262912 PMAQI
13th Jul 2026321 PMAQI
13th Jul 2026322 PMAQI
13th Jul 2026323 PMAQI
13th Jul 2026294 PMAQI
13th Jul 2026335 PMAQI
13th Jul 2026346 PMAQI
13th Jul 2026277 PMAQI
13th Jul 2026268 PMAQI
13th Jul 2026219 PMAQI
13th Jul 20262210 PMAQI
13th Jul 20262211 PMAQI
14th Jul 20262612 AMAQI
14th Jul 2026321 AMAQI
14th Jul 2026302 AMAQI
14th Jul 2026303 AMAQI
14th Jul 2026324 AMAQI
15°C11/19°C
14th Jul 2026325 AMAQI
14th Jul 2026346 AMAQI
14th Jul 2026367 AMAQI
14th Jul 2026238 AMAQI
14th Jul 2026249 AMAQI
14th Jul 20263310 AMAQI
14th Jul 20263211 AMAQI
14th Jul 20262912 PMAQI
14th Jul 2026341 PMAQI
14th Jul 2026262 PMAQI
14th Jul 2026343 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026295 PMAQI
14th Jul 2026326 PMAQI
14th Jul 2026287 PMAQI
14th Jul 2026268 PMAQI
14th Jul 2026219 PMAQI
14th Jul 20262310 PMAQI
14th Jul 20262211 PMAQI
15th Jul 20261412 AMAQI
15th Jul 2026261 AMAQI
15th Jul 2026272 AMAQI
15th Jul 2026243 AMAQI
15th Jul 2026264 AMAQI
16°C12/20°C
15th Jul 2026255 AMAQI
15th Jul 2026306 AMAQI
15th Jul 2026257 AMAQI
15th Jul 2026268 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20263010 AMAQI
15th Jul 20263011 AMAQI
15th Jul 20262712 PMAQI
15th Jul 2026301 PMAQI
15th Jul 2026312 PMAQI
15th Jul 2026293 PMAQI
15th Jul 202684 PMAQI
15th Jul 2026305 PMAQI
15th Jul 2026306 PMAQI
15th Jul 2026307 PMAQI
15th Jul 2026308 PMAQI
15th Jul 2026109 PMAQI
15th Jul 20261210 PMAQI
15th Jul 20261211 PMAQI
16th Jul 20261012 AMAQI
16th Jul 202681 AMAQI
16th Jul 202682 AMAQI
16th Jul 2026293 AMAQI
16th Jul 2026104 AMAQI
15°C12/18°C
16th Jul 2026105 AMAQI
16th Jul 2026106 AMAQI
16th Jul 2026117 AMAQI
16th Jul 2026148 AMAQI
16th Jul 2026129 AMAQI
16th Jul 20261610 AMAQI
16th Jul 20261811 AMAQI
16th Jul 20262212 PMAQI
16th Jul 2026131 PMAQI
16th Jul 2026102 PMAQI
16th Jul 2026293 PMAQI
16th Jul 2026264 PMAQI
16th Jul 2026285 PMAQI
16th Jul 2026326 PMAQI
16th Jul 2026287 PMAQI
16th Jul 2026108 PMAQI
16th Jul 2026109 PMAQI
16th Jul 20262510 PMAQI
16th Jul 20262411 PMAQI
17th Jul 20261912 AMAQI
17th Jul 2026201 AMAQI
17th Jul 2026522 AMAQI
17th Jul 2026563 AMAQI
17th Jul 2026374 AMAQI
13°C12/16°C
17th Jul 2026395 AMAQI
17th Jul 2026446 AMAQI
17th Jul 2026417 AMAQI
17th Jul 2026398 AMAQI
17th Jul 2026439 AMAQI
17th Jul 20263410 AMAQI
17th Jul 20265211 AMAQI
17th Jul 20264612 PMAQI
17th Jul 2026551 PMAQI
17th Jul 2026672 PMAQI
17th Jul 2026553 PMAQI
17th Jul 2026474 PMAQI
17th Jul 2026355 PMAQI
17th Jul 2026296 PMAQI
17th Jul 2026247 PMAQI
17th Jul 2026528 PMAQI
17th Jul 2026189 PMAQI
17th Jul 20261710 PMAQI
17th Jul 20261711 PMAQI
18th Jul 20261812 AMAQI
18th Jul 2026181 AMAQI
18th Jul 2026382 AMAQI
18th Jul 2026183 AMAQI
18th Jul 2026204 AMAQI
14°C12/18°C
18th Jul 2026205 AMAQI
18th Jul 202686 AMAQI
18th Jul 2026107 AMAQI
18th Jul 2026208 AMAQI
18th Jul 2026199 AMAQI
18th Jul 20264610 AMAQI
18th Jul 20262311 AMAQI
18th Jul 20263812 PMAQI
18th Jul 2026581 PMAQI
18th Jul 2026832 PMAQI
18th Jul 2026563 PMAQI
18th Jul 2026454 PMAQI
18th Jul 2026525 PMAQI
18th Jul 2026586 PMAQI
18th Jul 2026427 PMAQI
18th Jul 2026228 PMAQI
18th Jul 2026209 PMAQI
18th Jul 20262510 PMAQI
18th Jul 20262011 PMAQI
19th Jul 20261512 AMAQI
19th Jul 2026141 AMAQI
19th Jul 2026462 AMAQI
19th Jul 2026383 AMAQI
19th Jul 2026504 AMAQI
15°C13/18°C
19th Jul 2026575 AMAQI
19th Jul 2026386 AMAQI
19th Jul 2026557 AMAQI
19th Jul 2026468 AMAQI
19th Jul 2026249 AMAQI
19th Jul 20262410 AMAQI
19th Jul 20262411 AMAQI
19th Jul 20262412 PMAQI
19th Jul 2026241 PMAQI
19th Jul 2026262 PMAQI
19th Jul 2026243 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026416 PMAQI
19th Jul 2026227 PMAQI
19th Jul 2026208 PMAQI
19th Jul 2026189 PMAQI
19th Jul 20261810 PMAQI
19th Jul 20263611 PMAQI
20th Jul 20264112 AMAQI
20th Jul 2026361 AMAQI
20th Jul 2026582 AMAQI
20th Jul 2026613 AMAQI
20th Jul 2026544 AMAQI
14°C11/20°C
20th Jul 2026505 AMAQI
20th Jul 2026506 AMAQI
20th Jul 2026507 AMAQI
20th Jul 2026588 AMAQI
20th Jul 2026469 AMAQI
20th Jul 20265210 AMAQI
20th Jul 20266011 AMAQI
20th Jul 20264712 PMAQI
20th Jul 2026501 PMAQI
20th Jul 2026452 PMAQI
20th Jul 2026543 PMAQI
20th Jul 2026304 PMAQI
20th Jul 2026355 PMAQI
20th Jul 2026376 PMAQI
20th Jul 2026417 PMAQI
20th Jul 2026449 PMAQI
20th Jul 20264110 PMAQI
20th Jul 20264811 PMAQI
21st Jul 20264412 AMAQI
21st Jul 2026391 AMAQI
21st Jul 2026442 AMAQI
21st Jul 2026403 AMAQI
21st Jul 2026394 AMAQI
16°C12/21°C
21st Jul 2026505 AMAQI
21st Jul 2026506 AMAQI
21st Jul 2026367 AMAQI
21st Jul 2026468 AMAQI
21st Jul 2026439 AMAQI
21st Jul 20264610 AMAQI
21st Jul 20264811 AMAQI
21st Jul 20264512 PMAQI
21st Jul 2026451 PMAQI
21st Jul 2026452 PMAQI
21st Jul 2026433 PMAQI
21st Jul 2026434 PMAQI
21st Jul 2026425 PMAQI
21st Jul 2026456 PMAQI
21st Jul 2026457 PMAQI
21st Jul 2026478 PMAQI
21st Jul 2026509 PMAQI
21st Jul 20265010 PMAQI
21st Jul 20264811 PMAQI
22nd Jul 20264812 AMAQI
22nd Jul 2026471 AMAQI
22nd Jul 2026482 AMAQI
22nd Jul 2026483 AMAQI
22nd Jul 2026484 AMAQI
17°C13/22°C
22nd Jul 2026465 AMAQI
22nd Jul 2026486 AMAQI
22nd Jul 2026467 AMAQI
22nd Jul 2026488 AMAQI
22nd Jul 2026469 AMAQI
22nd Jul 20264910 AMAQI
22nd Jul 20264811 AMAQI
22nd Jul 20264812 PMAQI
22nd Jul 2026501 PMAQI
22nd Jul 2026542 PMAQI
22nd Jul 2026473 PMAQI
22nd Jul 2026544 PMAQI
22nd Jul 2026545 PMAQI
22nd Jul 2026566 PMAQI
22nd Jul 2026587 PMAQI
22nd Jul 2026588 PMAQI
22nd Jul 2026569 PMAQI
22nd Jul 20265110 PMAQI
22nd Jul 20265011 PMAQI
23rd Jul 20265012 AMAQI
23rd Jul 2026481 AMAQI
23rd Jul 2026502 AMAQI
23rd Jul 2026483 AMAQI
23rd Jul 2026474 AMAQI
18°C13/26°C
23rd Jul 2026485 AMAQI
23rd Jul 2026466 AMAQI
23rd Jul 2026367 AMAQI
23rd Jul 2026448 AMAQI
23rd Jul 2026419 AMAQI
23rd Jul 20263910 AMAQI
23rd Jul 20265011 AMAQI
23rd Jul 20264612 PMAQI
23rd Jul 2026421 PMAQI
23rd Jul 2026532 PMAQI
23rd Jul 2026373 PMAQI
23rd Jul 2026404 PMAQI
23rd Jul 2026305 PMAQI
23rd Jul 2026286 PMAQI
23rd Jul 2026347 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
16°C14/19°C
24th Jul 2026545 AMAQI
24th Jul 2026526 AMAQI
24th Jul 2026667 AMAQI
24th Jul 2026688 AMAQI
24th Jul 2026469 AMAQI
24th Jul 20265010 AMAQI
24th Jul 20265411 AMAQI
24th Jul 20266512 PMAQI
24th Jul 2026451 PMAQI
24th Jul 2026522 PMAQI
24th Jul 2026503 PMAQI
24th Jul 2026624 PMAQI
24th Jul 2026505 PMAQI
24th Jul 2026416 PMAQI
24th Jul 2026687 PMAQI
24th Jul 2026508 PMAQI
24th Jul 2026549 PMAQI
24th Jul 20265710 PMAQI
24th Jul 20265411 PMAQI
25th Jul 20265112 AMAQI
25th Jul 2026571 AMAQI
25th Jul 2026702 AMAQI
25th Jul 2026673 AMAQI
25th Jul 2026614 AMAQI
15°C13/19°C
25th Jul 2026615 AMAQI
25th Jul 2026646 AMAQI
25th Jul 2026597 AMAQI
25th Jul 2026578 AMAQI
25th Jul 2026589 AMAQI
25th Jul 20265410 AMAQI
25th Jul 20266711 AMAQI
25th Jul 20265212 PMAQI
25th Jul 2026561 PMAQI
25th Jul 2026742 PMAQI
25th Jul 2026623 PMAQI
25th Jul 2026554 PMAQI
25th Jul 2026705 PMAQI
25th Jul 2026656 PMAQI
25th Jul 2026637 PMAQI
25th Jul 2026668 PMAQI
25th Jul 2026569 PMAQI
25th Jul 20265610 PMAQI
25th Jul 20265611 PMAQI
26th Jul 20263812 AMAQI
26th Jul 2026571 AMAQI
26th Jul 2026622 AMAQI
26th Jul 2026533 AMAQI
26th Jul 2026444 AMAQI
15°C13/18°C
26th Jul 2026635 AMAQI
26th Jul 2026646 AMAQI
26th Jul 2026717 AMAQI
26th Jul 2026638 AMAQI
26th Jul 2026669 AMAQI
26th Jul 20266810 AMAQI
26th Jul 20266011 AMAQI
26th Jul 20266112 PMAQI
26th Jul 2026481 PMAQI
26th Jul 2026602 PMAQI
26th Jul 2026583 PMAQI
26th Jul 2026504 PMAQI
26th Jul 2026595 PMAQI
26th Jul 2026616 PMAQI
26th Jul 2026647 PMAQI
26th Jul 2026638 PMAQI
26th Jul 2026629 PMAQI
26th Jul 20265810 PMAQI
26th Jul 20266211 PMAQI
27th Jul 20266112 AMAQI
27th Jul 2026661 AMAQI
27th Jul 2026732 AMAQI
27th Jul 2026663 AMAQI
27th Jul 2026454 AMAQI
15°C13/19°C
27th Jul 2026665 AMAQI
27th Jul 2026686 AMAQI
27th Jul 2026727 AMAQI
27th Jul 2026688 AMAQI
27th Jul 2026709 AMAQI
27th Jul 20267210 AMAQI
27th Jul 20267111 AMAQI
27th Jul 20266812 PMAQI
27th Jul 2026661 PMAQI
27th Jul 2026672 PMAQI
27th Jul 2026653 PMAQI
27th Jul 2026644 PMAQI
27th Jul 2026725 PMAQI
27th Jul 2026466 PMAQI
27th Jul 2026707 PMAQI
27th Jul 2026708 PMAQI
27th Jul 2026639 PMAQI
27th Jul 20266210 PMAQI
27th Jul 20266511 PMAQI
28th Jul 20265812 AMAQI
28th Jul 2026591 AMAQI
28th Jul 2026582 AMAQI
28th Jul 2026663 AMAQI
28th Jul 2026724 AMAQI
15°C13/19°C
28th Jul 2026725 AMAQI
28th Jul 2026496 AMAQI
28th Jul 2026757 AMAQI
28th Jul 2026708 AMAQI
28th Jul 2026749 AMAQI
28th Jul 20267310 AMAQI
28th Jul 20267411 AMAQI
28th Jul 20267212 PMAQI
28th Jul 2026681 PMAQI
28th Jul 2026732 PMAQI
28th Jul 2026683 PMAQI
28th Jul 2026664 PMAQI
28th Jul 2026645 PMAQI
28th Jul 2026466 PMAQI
28th Jul 2026497 PMAQI
28th Jul 2026638 PMAQI
28th Jul 2026589 PMAQI
28th Jul 2026810 PMAQI
28th Jul 20261811 PMAQI
29th Jul 20263312 AMAQI
29th Jul 2026201 AMAQI
29th Jul 2026212 AMAQI
29th Jul 2026423 AMAQI
29th Jul 2026544 AMAQI
15°C13/19°C
29th Jul 2026565 AMAQI
29th Jul 2026506 AMAQI
29th Jul 2026487 AMAQI
29th Jul 2026468 AMAQI
29th Jul 2026609 AMAQI
29th Jul 20264010 AMAQI
29th Jul 20265611 AMAQI
29th Jul 20266312 PMAQI
29th Jul 2026391 PMAQI
29th Jul 2026652 PMAQI
29th Jul 2026603 PMAQI
29th Jul 2026294 PMAQI
29th Jul 2026605 PMAQI
29th Jul 2026606 PMAQI
29th Jul 2026587 PMAQI
29th Jul 2026368 PMAQI
29th Jul 2026629 PMAQI
29th Jul 20266410 PMAQI
29th Jul 20266111 PMAQI
30th Jul 20266012 AMAQI
30th Jul 2026621 AMAQI
30th Jul 2026652 AMAQI
30th Jul 2026713 AMAQI
30th Jul 2026704 AMAQI
15°C12/18°C
30th Jul 2026675 AMAQI
30th Jul 2026706 AMAQI
30th Jul 2026457 AMAQI
30th Jul 2026698 AMAQI
30th Jul 2026349 AMAQI
30th Jul 20266810 AMAQI
30th Jul 20266611 AMAQI
30th Jul 20266612 PMAQI
30th Jul 2026661 PMAQI
30th Jul 2026582 PMAQI
30th Jul 2026643 PMAQI
30th Jul 2026454 PMAQI
30th Jul 2026545 PMAQI
30th Jul 2026686 PMAQI
30th Jul 2026617 PMAQI
30th Jul 2026648 PMAQI
30th Jul 2026589 PMAQI
30th Jul 20265610 PMAQI
30th Jul 20266011 PMAQI
31st Jul 20263612 AMAQI
31st Jul 2026341 AMAQI
31st Jul 2026642 AMAQI
31st Jul 2026563 AMAQI
31st Jul 2026524 AMAQI
15°C12/19°C
31st Jul 2026545 AMAQI
31st Jul 2026666 AMAQI
31st Jul 2026667 AMAQI
31st Jul 2026678 AMAQI
31st Jul 2026649 AMAQI
31st Jul 20266210 AMAQI
31st Jul 20266611 AMAQI
31st Jul 20267812 PMAQI
31st Jul 2026441 PMAQI
31st Jul 20261322 PMAQI
31st Jul 2026533 PMAQI
31st Jul 2026544 PMAQI
31st Jul 2026585 PMAQI
31st Jul 2026496 PMAQI
31st Jul 2026627 PMAQI
31st Jul 2026568 PMAQI
31st Jul 2026449 PMAQI
31st Jul 20264810 PMAQI
31st Jul 20264611 PMAQI
1st Aug 20265412 AMAQI
1st Aug 2026621 AMAQI
1st Aug 2026642 AMAQI
1st Aug 2026503 AMAQI
1st Aug 2026554 AMAQI
16°C13/20°C
1st Aug 2026685 AMAQI
1st Aug 2026666 AMAQI
1st Aug 2026747 AMAQI
1st Aug 2026658 AMAQI
1st Aug 2026689 AMAQI
1st Aug 20267210 AMAQI
1st Aug 20266811 AMAQI
1st Aug 20266412 PMAQI
1st Aug 2026681 PMAQI
1st Aug 2026582 PMAQI
1st Aug 2026673 PMAQI
1st Aug 2026644 PMAQI
1st Aug 2026565 PMAQI
1st Aug 2026406 PMAQI
1st Aug 2026667 PMAQI
1st Aug 2026688 PMAQI
1st Aug 2026569 PMAQI
1st Aug 20261810 PMAQI
1st Aug 20261611 PMAQI
2nd Aug 20261712 AMAQI
2nd Aug 2026601 AMAQI
2nd Aug 2026612 AMAQI
2nd Aug 2026503 AMAQI
2nd Aug 2026604 AMAQI
14°C13/17°C
2nd Aug 2026715 AMAQI
2nd Aug 2026666 AMAQI
2nd Aug 2026667 AMAQI
2nd Aug 2026668 AMAQI
2nd Aug 2026629 AMAQI
2nd Aug 20267010 AMAQI
2nd Aug 20267211 AMAQI
2nd Aug 20266212 PMAQI
2nd Aug 2026621 PMAQI
2nd Aug 2026562 PMAQI
2nd Aug 2026593 PMAQI
2nd Aug 2026624 PMAQI
2nd Aug 2026425 PMAQI
2nd Aug 2026236 PMAQI
2nd Aug 2026637 PMAQI
2nd Aug 2026648 PMAQI
2nd Aug 2026589 PMAQI
2nd Aug 20266410 PMAQI
2nd Aug 20266311 PMAQI
3rd Aug 20266012 AMAQI
3rd Aug 2026661 AMAQI
3rd Aug 2026702 AMAQI
3rd Aug 2026543 AMAQI
3rd Aug 2026584 AMAQI
14°C13/18°C
3rd Aug 2026585 AMAQI
3rd Aug 2026576 AMAQI
3rd Aug 2026567 AMAQI
3rd Aug 2026608 AMAQI
3rd Aug 2026569 AMAQI
3rd Aug 20265210 AMAQI
3rd Aug 20266611 AMAQI
3rd Aug 20266412 PMAQI
3rd Aug 20261071 PMAQI
3rd Aug 20261442 PMAQI
3rd Aug 2026493 PMAQI
3rd Aug 2026344 PMAQI
3rd Aug 2026405 PMAQI
3rd Aug 2026416 PMAQI
3rd Aug 2026367 PMAQI
3rd Aug 2026498 PMAQI
3rd Aug 2026449 PMAQI
3rd Aug 20264210 PMAQI
3rd Aug 20264011 PMAQI
4th Aug 20263812 AMAQI
4th Aug 2026431 AMAQI
4th Aug 2026462 AMAQI
4th Aug 2026453 AMAQI
4th Aug 2026424 AMAQI
15°C12/20°C
4th Aug 2026445 AMAQI
4th Aug 2026446 AMAQI
4th Aug 2026457 AMAQI
4th Aug 2026448 AMAQI
4th Aug 2026439 AMAQI
4th Aug 20264310 AMAQI
4th Aug 20264711 AMAQI
4th Aug 20265112 PMAQI
4th Aug 2026581 PMAQI
4th Aug 2026542 PMAQI
4th Aug 2026563 PMAQI
4th Aug 2026684 PMAQI
4th Aug 2026705 PMAQI
4th Aug 2026786 PMAQI
4th Aug 2026767 PMAQI
4th Aug 2026778 PMAQI
4th Aug 2026799 PMAQI
4th Aug 20268210 PMAQI
4th Aug 20267111 PMAQI
5th Aug 20265412 AMAQI
5th Aug 2026541 AMAQI
5th Aug 2026602 AMAQI
5th Aug 2026503 AMAQI
5th Aug 2026524 AMAQI
16°C13/21°C
5th Aug 2026465 AMAQI
5th Aug 2026466 AMAQI
5th Aug 2026517 AMAQI
5th Aug 2026638 AMAQI
5th Aug 2026629 AMAQI
5th Aug 20266210 AMAQI
5th Aug 202610611 AMAQI
5th Aug 20266012 PMAQI
5th Aug 2026541 PMAQI
5th Aug 2026662 PMAQI
5th Aug 2026663 PMAQI
5th Aug 2026784 PMAQI
5th Aug 2026945 PMAQI
5th Aug 2026616 PMAQI
5th Aug 2026627 PMAQI
5th Aug 2026608 PMAQI
5th Aug 2026569 PMAQI
5th Aug 20265910 PMAQI
5th Aug 20265711 PMAQI
6th Aug 20265512 AMAQI
6th Aug 2026541 AMAQI
6th Aug 2026522 AMAQI
6th Aug 2026523 AMAQI
6th Aug 2026534 AMAQI
17°C14/22°C
6th Aug 2026545 AMAQI
6th Aug 2026546 AMAQI
6th Aug 2026527 AMAQI
6th Aug 2026648 AMAQI
6th Aug 2026629 AMAQI
6th Aug 20266410 AMAQI
6th Aug 20266611 AMAQI
6th Aug 20266012 PMAQI
6th Aug 2026471 PMAQI
6th Aug 2026442 PMAQI
6th Aug 2026433 PMAQI
6th Aug 2026544 PMAQI
6th Aug 2026525 PMAQI
6th Aug 2026526 PMAQI
6th Aug 2026747 PMAQI
6th Aug 2026528 PMAQI
6th Aug 2026529 PMAQI
6th Aug 20266410 PMAQI
6th Aug 20266211 PMAQI
7th Aug 20266112 AMAQI
7th Aug 2026561 AMAQI
7th Aug 2026552 AMAQI
7th Aug 2026553 AMAQI
7th Aug 2026524 AMAQI
15°C13/20°C
7th Aug 2026545 AMAQI
7th Aug 2026546 AMAQI
7th Aug 2026557 AMAQI
7th Aug 2026548 AMAQI
7th Aug 2026549 AMAQI
7th Aug 20265710 AMAQI
7th Aug 20265511 AMAQI
7th Aug 20265512 PMAQI
7th Aug 2026541 PMAQI
7th Aug 2026552 PMAQI
7th Aug 2026573 PMAQI
7th Aug 2026594 PMAQI
7th Aug 2026505 PMAQI
7th Aug 2026476 PMAQI
7th Aug 2026617 PMAQI
7th Aug 2026608 PMAQI
7th Aug 2026469 PMAQI
7th Aug 20265010 PMAQI
7th Aug 20265211 PMAQI
8th Aug 20265112 AMAQI
8th Aug 2026521 AMAQI
8th Aug 2026522 AMAQI
8th Aug 2026493 AMAQI
8th Aug 2026394 AMAQI
15°C12/19°C
8th Aug 2026375 AMAQI
8th Aug 2026376 AMAQI
8th Aug 2026397 AMAQI
8th Aug 2026368 AMAQI
8th Aug 2026509 AMAQI
8th Aug 20264610 AMAQI
8th Aug 20263711 AMAQI
8th Aug 20264812 PMAQI
8th Aug 2026521 PMAQI
8th Aug 2026462 PMAQI
8th Aug 2026463 PMAQI
8th Aug 2026504 PMAQI
8th Aug 2026435 PMAQI
8th Aug 2026466 PMAQI
8th Aug 2026467 PMAQI
8th Aug 2026468 PMAQI
8th Aug 2026489 PMAQI
8th Aug 20266010 PMAQI
8th Aug 20266011 PMAQI
9th Aug 20266612 AMAQI
9th Aug 2026661 AMAQI
9th Aug 2026662 AMAQI
9th Aug 2026423 AMAQI
9th Aug 2026434 AMAQI
15°C13/19°C
9th Aug 2026385 AMAQI
9th Aug 2026366 AMAQI
9th Aug 2026377 AMAQI
9th Aug 2026748 AMAQI
9th Aug 2026739 AMAQI
9th Aug 20267810 AMAQI
9th Aug 20267911 AMAQI
9th Aug 20266812 PMAQI
9th Aug 2026881 PMAQI
9th Aug 20261122 PMAQI
9th Aug 20261103 PMAQI
9th Aug 2026584 PMAQI
9th Aug 2026215 PMAQI
9th Aug 2026686 PMAQI
9th Aug 20261177 PMAQI
9th Aug 20261148 PMAQI
9th Aug 2026589 PMAQI
9th Aug 20265810 PMAQI
9th Aug 20266511 PMAQI
10th Aug 20265612 AMAQI
10th Aug 2026611 AMAQI
10th Aug 2026702 AMAQI
10th Aug 2026423 AMAQI
10th Aug 2026744 AMAQI
15°C13/18°C
10th Aug 2026805 AMAQI
10th Aug 2026766 AMAQI
10th Aug 2026707 AMAQI
10th Aug 2026668 AMAQI
10th Aug 2026369 AMAQI
10th Aug 20264610 AMAQI
10th Aug 20265811 AMAQI
10th Aug 20266412 PMAQI
10th Aug 2026331 PMAQI
10th Aug 2026382 PMAQI
10th Aug 2026363 PMAQI
10th Aug 2026674 PMAQI
10th Aug 2026485 PMAQI
10th Aug 2026766 PMAQI
10th Aug 2026707 PMAQI
10th Aug 2026728 PMAQI
10th Aug 2026689 PMAQI
10th Aug 20266610 PMAQI
10th Aug 20266111 PMAQI
11th Aug 20265812 AMAQI
11th Aug 2026441 AMAQI
11th Aug 2026702 AMAQI
11th Aug 2026723 AMAQI
11th Aug 2026704 AMAQI
14°C12/18°C
11th Aug 2026765 AMAQI
5 AM11th Aug 2026756 AMAQI
11th Aug 2026767 AMAQI
11th Aug 2026728 AMAQI
11th Aug 2026719 AMAQI
11th Aug 20267610 AMAQI
11th Aug 20267311 AMAQI
11th Aug 20266612 PMAQI
12 PM11th Aug 2026681 PMAQI
11th Aug 2026652 PMAQI
11th Aug 2026633 PMAQI
11th Aug 2026664 PMAQI
11th Aug 2026615 PMAQI
11th Aug 2026646 PMAQI
11th Aug 2026597 PMAQI
11th Aug 2026688 PMAQI
8 PM11th Aug 2026559 PMAQI
11th Aug 20266510 PMAQI
11th Aug 20265811 PMAQI
12 AM
4 AM
15°C13/19°C
Day time
Avg. Highest Time
2 PM
60AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
4 PM - 6 PM
49AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 2 PM (Avg. 60), while the lowest AQI was between 4 PM to 6 PM (Avg. 49).
Night time
Avg. Highest Time
2 AM
52AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM
42AQI
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. 52), while the lowest AQI was between 12 AM to 12 AM (Avg. 42).
2026 Days Vs Air Quality
Port Townsend, Washington, United States
2026
89%
196
11%
23
Total number of days with different AQI categories in last 223 days in 2026 (142 days remaining)
Good
196 DaysModerate
23 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2026, 89% of 223 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
Port Townsend, 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
53AQI (US)
53AQI (US)
2nd January 2026
41AQI (US)
41AQI (US)
3rd January 2026
22AQI (US)
22AQI (US)
4th January 2026
12AQI (US)
12AQI (US)
5th January 2026
21AQI (US)
21AQI (US)
6th January 2026
15AQI (US)
15AQI (US)
7th January 2026
11AQI (US)
11AQI (US)
8th January 2026
16AQI (US)
16AQI (US)
9th January 2026
15AQI (US)
15AQI (US)
10th January 2026
18AQI (US)
18AQI (US)
11th January 2026
12AQI (US)
12AQI (US)
12th January 2026
14AQI (US)
14AQI (US)
13th January 2026
17AQI (US)
17AQI (US)
14th January 2026
14AQI (US)
14AQI (US)
15th January 2026
14AQI (US)
14AQI (US)
16th January 2026
14AQI (US)
14AQI (US)
17th January 2026
24AQI (US)
24AQI (US)
18th January 2026
26AQI (US)
26AQI (US)
19th January 2026
30AQI (US)
30AQI (US)
20th January 2026
27AQI (US)
27AQI (US)
21st January 2026
31AQI (US)
31AQI (US)
22nd January 2026
46AQI (US)
46AQI (US)
23rd January 2026
53AQI (US)
53AQI (US)
24th January 2026
48AQI (US)
48AQI (US)
25th January 2026
46AQI (US)
46AQI (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
44AQI (US)
44AQI (US)
1st February 2026
50AQI (US)
50AQI (US)
2nd February 2026
50AQI (US)
50AQI (US)
3rd February 2026
49AQI (US)
49AQI (US)
4th February 2026
44AQI (US)
44AQI (US)
5th February 2026
44AQI (US)
44AQI (US)
6th February 2026
22AQI (US)
22AQI (US)
7th February 2026
28AQI (US)
28AQI (US)
8th February 2026
34AQI (US)
34AQI (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
52AQI (US)
52AQI (US)
14th February 2026
49AQI (US)
49AQI (US)
15th February 2026
38AQI (US)
38AQI (US)
16th February 2026
36AQI (US)
36AQI (US)
17th February 2026
46AQI (US)
46AQI (US)
18th February 2026
40AQI (US)
40AQI (US)
19th February 2026
40AQI (US)
40AQI (US)
20th February 2026
27AQI (US)
27AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
36AQI (US)
36AQI (US)
23rd February 2026
37AQI (US)
37AQI (US)
24th February 2026
36AQI (US)
36AQI (US)
25th February 2026
30AQI (US)
30AQI (US)
26th February 2026
34AQI (US)
34AQI (US)
27th February 2026
29AQI (US)
29AQI (US)
28th February 2026
34AQI (US)
34AQI (US)
1st March 2026
34AQI (US)
34AQI (US)
2nd March 2026
30AQI (US)
30AQI (US)
3rd March 2026
43AQI (US)
43AQI (US)
4th March 2026
46AQI (US)
46AQI (US)
5th March 2026
34AQI (US)
34AQI (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
40AQI (US)
40AQI (US)
10th March 2026
34AQI (US)
34AQI (US)
11th March 2026
40AQI (US)
40AQI (US)
12th March 2026
39AQI (US)
39AQI (US)
13th March 2026
38AQI (US)
38AQI (US)
14th March 2026
34AQI (US)
34AQI (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
32AQI (US)
32AQI (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
34AQI (US)
34AQI (US)
26th March 2026
34AQI (US)
34AQI (US)
27th March 2026
32AQI (US)
32AQI (US)
28th March 2026
30AQI (US)
30AQI (US)
29th March 2026
28AQI (US)
28AQI (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
35AQI (US)
35AQI (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
22AQI (US)
22AQI (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
18AQI (US)
18AQI (US)
11th April 2026
26AQI (US)
26AQI (US)
12th April 2026
29AQI (US)
29AQI (US)
13th April 2026
33AQI (US)
33AQI (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
28AQI (US)
28AQI (US)
20th April 2026
23AQI (US)
23AQI (US)
21st April 2026
18AQI (US)
18AQI (US)
22nd April 2026
23rd April 2026
18AQI (US)
18AQI (US)
24th April 2026
21AQI (US)
21AQI (US)
25th April 2026
26AQI (US)
26AQI (US)
26th April 2026
26AQI (US)
26AQI (US)
27th April 2026
19AQI (US)
19AQI (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
18AQI (US)
18AQI (US)
2nd May 2026
13AQI (US)
13AQI (US)
3rd May 2026
14AQI (US)
14AQI (US)
4th May 2026
20AQI (US)
20AQI (US)
5th May 2026
20AQI (US)
20AQI (US)
6th May 2026
26AQI (US)
26AQI (US)
7th May 2026
17AQI (US)
17AQI (US)
8th May 2026
17AQI (US)
17AQI (US)
9th May 2026
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
27AQI (US)
27AQI (US)
12th May 2026
26AQI (US)
26AQI (US)
13th May 2026
28AQI (US)
28AQI (US)
14th May 2026
24AQI (US)
24AQI (US)
15th May 2026
44AQI (US)
44AQI (US)
16th May 2026
52AQI (US)
52AQI (US)
17th May 2026
57AQI (US)
57AQI (US)
18th May 2026
52AQI (US)
52AQI (US)
19th May 2026
46AQI (US)
46AQI (US)
20th May 2026
44AQI (US)
44AQI (US)
21st May 2026
34AQI (US)
34AQI (US)
22nd May 2026
44AQI (US)
44AQI (US)
23rd May 2026
48AQI (US)
48AQI (US)
24th May 2026
32AQI (US)
32AQI (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
26AQI (US)
26AQI (US)
29th May 2026
24AQI (US)
24AQI (US)
30th May 2026
26AQI (US)
26AQI (US)
31st May 2026
29AQI (US)
29AQI (US)
1st June 2026
24AQI (US)
24AQI (US)
2nd June 2026
28AQI (US)
28AQI (US)
3rd June 2026
28AQI (US)
28AQI (US)
4th June 2026
26AQI (US)
26AQI (US)
5th June 2026
26AQI (US)
26AQI (US)
6th June 2026
25AQI (US)
25AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
24AQI (US)
24AQI (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
22AQI (US)
22AQI (US)
16th June 2026
24AQI (US)
24AQI (US)
17th June 2026
22AQI (US)
22AQI (US)
18th June 2026
24AQI (US)
24AQI (US)
19th June 2026
21AQI (US)
21AQI (US)
20th June 2026
22AQI (US)
22AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
25AQI (US)
25AQI (US)
23rd June 2026
20AQI (US)
20AQI (US)
24th June 2026
17AQI (US)
17AQI (US)
25th June 2026
22AQI (US)
22AQI (US)
26th June 2026
31AQI (US)
31AQI (US)
27th June 2026
29AQI (US)
29AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
22AQI (US)
22AQI (US)
30th June 2026
26AQI (US)
26AQI (US)
1st July 2026
21AQI (US)
21AQI (US)
2nd July 2026
26AQI (US)
26AQI (US)
3rd July 2026
28AQI (US)
28AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
25AQI (US)
25AQI (US)
6th July 2026
28AQI (US)
28AQI (US)
7th July 2026
27AQI (US)
27AQI (US)
8th July 2026
26AQI (US)
26AQI (US)
9th July 2026
28AQI (US)
28AQI (US)
10th July 2026
32AQI (US)
32AQI (US)
11th July 2026
30AQI (US)
30AQI (US)
12th July 2026
30AQI (US)
30AQI (US)
13th July 2026
30AQI (US)
30AQI (US)
14th July 2026
29AQI (US)
29AQI (US)
15th July 2026
25AQI (US)
25AQI (US)
16th July 2026
17AQI (US)
17AQI (US)
17th July 2026
39AQI (US)
39AQI (US)
18th July 2026
32AQI (US)
32AQI (US)
19th July 2026
32AQI (US)
32AQI (US)
20th July 2026
47AQI (US)
47AQI (US)
21st July 2026
45AQI (US)
45AQI (US)
22nd July 2026
50AQI (US)
50AQI (US)
23rd July 2026
44AQI (US)
44AQI (US)
24th July 2026
54AQI (US)
54AQI (US)
25th July 2026
60AQI (US)
60AQI (US)
26th July 2026
59AQI (US)
59AQI (US)
27th July 2026
66AQI (US)
66AQI (US)
28th July 2026
60AQI (US)
60AQI (US)
29th July 2026
49AQI (US)
49AQI (US)
30th July 2026
62AQI (US)
62AQI (US)
31st July 2026
58AQI (US)
58AQI (US)
1st August 2026
59AQI (US)
59AQI (US)
2nd August 2026
58AQI (US)
58AQI (US)
3rd August 2026
58AQI (US)
58AQI (US)
4th August 2026
56AQI (US)
56AQI (US)
5th August 2026
62AQI (US)
62AQI (US)
6th August 2026
56AQI (US)
56AQI (US)
7th August 2026
54AQI (US)
54AQI (US)
8th August 2026
46AQI (US)
46AQI (US)
9th August 2026
68AQI (US)
68AQI (US)
10th August 2026
60AQI (US)
60AQI (US)
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
30AQI (US)
39AQI (US)
35AQI (US)
25AQI (US)
31AQI (US)
24AQI (US)
38AQI (US)
58AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202633AQI (US)
28
3
27
1
31
28
27
3
30
24
7
1
9
196
23
Highest AQI (US) recorded in
August58AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202524AQI (US)
30
1
28
31
30
31
30
31
31
30
29
2
30
31
362
3
Highest AQI (US) recorded in
October38AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
202419AQI (US)
31
26
31
30
31
29
31
31
30
31
29
1
31
361
1
Highest AQI (US) recorded in
December27AQI (US)
Lowest AQI (US) recorded in
April14AQI (US)
202320AQI (US)
31
28
29
30
31
30
31
26
5
30
29
25
1
31
351
6
Highest AQI (US) recorded in
August28AQI (US)
Lowest AQI (US) recorded in
April14AQI (US)
202221AQI (US)
29
21
31
30
31
30
24
1
26
3
24
6
1
18
2
30
295
11
1
Highest AQI (US) recorded in
October39AQI (US)
Lowest AQI (US) recorded in
April14AQI (US)
202117AQI (US)
30
23
31
30
31
29
1
31
29
2
30
31
30
31
356
3
Highest AQI (US) recorded in
August22AQI (US)
Lowest AQI (US) recorded in
May14AQI (US)
202032AQI (US)
10
19
3
2
4
2
30
30
31
120
3
2
4
2
Highest AQI (US) recorded in
September62AQI (US)
Lowest AQI (US) recorded in
August19AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2026(Avg.)
33AQI (US)Least Polluted Year Recorded
2021(Avg.)
17AQI (US)Port Townsend's annual 2026 AQI (US) (33) shows an average percentage change of 55.09% (worsened AQI (US)) compared to previous years: 2020 (32), 2021 (17), 2022 (21), 2023 (20), 2024 (19), 2025 (24).
