Forest Grove, Oregon, 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
Forest Grove, Oregon, United States
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2026
57AQILowest AQI recorded on
16th Aug 2025
12AQISame Day Analysis (3rd August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 57 of Moderate air quality on the same day.
Day & Night AQI Trend: 3rd Aug - 4th Aug 2026
Forest Grove, Oregon, United States
AQI
Day
Night
.
5 AM3rd Aug 2026
8 PM
4 AM4th Aug 2026
Day time
Avg. Highest Time
5PM3rd Aug
73AQI
Avg. Lowest Time
9AM3rd Aug
50AQI
Night time
Avg. Highest Time
3AM4th Aug
76AQI
Avg. Lowest Time
9PM3rd Aug
62AQI
In the last 24 hours,
Forest Grove's AQI reached its highest point of 76 at 3 AM during the Night, while the lowest point, 50, was recorded at 9 AM during the Day between 3rd Aug and 4th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Forest Grove, Oregon, United States
JulAug
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
6th Jul 2026295 AMAQI
6th Jul 2026286 AMAQI
6th Jul 2026307 AMAQI
6th Jul 2026318 AMAQI
6th Jul 2026329 AMAQI
6th Jul 20263210 AMAQI
6th Jul 20263411 AMAQI
6th Jul 20263012 PMAQI
6th Jul 2026321 PMAQI
6th Jul 2026332 PMAQI
6th Jul 2026293 PMAQI
6th Jul 2026314 PMAQI
6th Jul 2026285 PMAQI
6th Jul 2026266 PMAQI
6th Jul 2026247 PMAQI
6th Jul 2026238 PMAQI
6th Jul 2026249 PMAQI
6th Jul 20262610 PMAQI
6th Jul 20263211 PMAQI
7th Jul 20262812 AMAQI
7th Jul 2026311 AMAQI
7th Jul 2026332 AMAQI
7th Jul 2026303 AMAQI
7th Jul 2026294 AMAQI
23°C15/32°C
7th Jul 2026305 AMAQI
7th Jul 2026306 AMAQI
7th Jul 2026297 AMAQI
7th Jul 2026318 AMAQI
7th Jul 2026329 AMAQI
7th Jul 20263010 AMAQI
7th Jul 20263011 AMAQI
7th Jul 20263012 PMAQI
7th Jul 2026301 PMAQI
7th Jul 2026302 PMAQI
7th Jul 2026303 PMAQI
7th Jul 2026324 PMAQI
7th Jul 2026295 PMAQI
7th Jul 2026306 PMAQI
7th Jul 2026277 PMAQI
7th Jul 2026268 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262811 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026241 AMAQI
8th Jul 2026262 AMAQI
8th Jul 2026213 AMAQI
8th Jul 2026224 AMAQI
20°C12/29°C
8th Jul 2026245 AMAQI
8th Jul 2026236 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026308 AMAQI
8th Jul 2026339 AMAQI
8th Jul 20263210 AMAQI
8th Jul 20263011 AMAQI
8th Jul 20263012 PMAQI
8th Jul 2026301 PMAQI
8th Jul 2026282 PMAQI
8th Jul 2026303 PMAQI
8th Jul 2026284 PMAQI
8th Jul 2026265 PMAQI
8th Jul 2026246 PMAQI
8th Jul 2026247 PMAQI
8th Jul 2026248 PMAQI
8th Jul 2026239 PMAQI
8th Jul 20262410 PMAQI
8th Jul 20262911 PMAQI
9th Jul 20262812 AMAQI
9th Jul 2026261 AMAQI
9th Jul 2026282 AMAQI
9th Jul 2026283 AMAQI
9th Jul 2026284 AMAQI
20°C13/28°C
9th Jul 2026265 AMAQI
9th Jul 2026286 AMAQI
9th Jul 2026317 AMAQI
9th Jul 2026308 AMAQI
9th Jul 2026319 AMAQI
9th Jul 20263010 AMAQI
9th Jul 20262911 AMAQI
9th Jul 20262912 PMAQI
9th Jul 2026311 PMAQI
9th Jul 2026312 PMAQI
9th Jul 2026323 PMAQI
9th Jul 2026304 PMAQI
9th Jul 2026325 PMAQI
9th Jul 2026306 PMAQI
9th Jul 2026287 PMAQI
9th Jul 2026308 PMAQI
9th Jul 2026289 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026311 AMAQI
10th Jul 2026322 AMAQI
10th Jul 2026323 AMAQI
10th Jul 2026324 AMAQI
20°C10/30°C
10th Jul 2026325 AMAQI
10th Jul 2026346 AMAQI
10th Jul 2026367 AMAQI
10th Jul 2026368 AMAQI
10th Jul 2026389 AMAQI
10th Jul 20263410 AMAQI
10th Jul 20263511 AMAQI
10th Jul 20263112 PMAQI
10th Jul 2026341 PMAQI
10th Jul 2026342 PMAQI
10th Jul 2026333 PMAQI
10th Jul 2026364 PMAQI
10th Jul 2026335 PMAQI
10th Jul 2026366 PMAQI
10th Jul 2026307 PMAQI
10th Jul 2026298 PMAQI
10th Jul 2026269 PMAQI
10th Jul 20262610 PMAQI
10th Jul 20262411 PMAQI
11th Jul 20262812 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026302 AMAQI
11th Jul 2026333 AMAQI
11th Jul 2026304 AMAQI
20°C12/29°C
11th Jul 2026325 AMAQI
11th Jul 2026346 AMAQI
11th Jul 2026357 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20263411 AMAQI
11th Jul 20263112 PMAQI
11th Jul 2026321 PMAQI
11th Jul 2026322 PMAQI
11th Jul 2026323 PMAQI
11th Jul 2026304 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026316 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026298 PMAQI
11th Jul 2026269 PMAQI
11th Jul 20262410 PMAQI
11th Jul 20262311 PMAQI
12th Jul 20262812 AMAQI
12th Jul 2026311 AMAQI
12th Jul 2026292 AMAQI
12th Jul 2026313 AMAQI
12th Jul 2026304 AMAQI
18°C14/23°C
12th Jul 2026325 AMAQI
12th Jul 2026326 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026328 AMAQI
12th Jul 2026319 AMAQI
12th Jul 20263110 AMAQI
12th Jul 20263211 AMAQI
12th Jul 20262812 PMAQI
12th Jul 2026301 PMAQI
12th Jul 2026292 PMAQI
12th Jul 2026283 PMAQI
12th Jul 2026304 PMAQI
12th Jul 2026315 PMAQI
12th Jul 2026336 PMAQI
12th Jul 2026297 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026249 PMAQI
12th Jul 20262210 PMAQI
12th Jul 20262311 PMAQI
13th Jul 20262612 AMAQI
13th Jul 2026321 AMAQI
13th Jul 2026322 AMAQI
13th Jul 2026343 AMAQI
13th Jul 2026344 AMAQI
18°C10/27°C
13th Jul 2026325 AMAQI
13th Jul 2026346 AMAQI
13th Jul 2026357 AMAQI
13th Jul 2026348 AMAQI
13th Jul 2026369 AMAQI
13th Jul 20263310 AMAQI
13th Jul 20263311 AMAQI
13th Jul 20263012 PMAQI
13th Jul 2026321 PMAQI
13th Jul 2026322 PMAQI
13th Jul 2026323 PMAQI
13th Jul 2026294 PMAQI
13th Jul 2026365 PMAQI
13th Jul 2026346 PMAQI
13th Jul 2026277 PMAQI
13th Jul 2026268 PMAQI
13th Jul 2026219 PMAQI
13th Jul 20262210 PMAQI
13th Jul 20262011 PMAQI
14th Jul 20262612 AMAQI
14th Jul 2026311 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026323 AMAQI
14th Jul 2026324 AMAQI
22°C12/31°C
14th Jul 2026345 AMAQI
14th Jul 2026346 AMAQI
14th Jul 2026357 AMAQI
14th Jul 2026388 AMAQI
14th Jul 2026349 AMAQI
14th Jul 20263310 AMAQI
14th Jul 20263111 AMAQI
14th Jul 20262812 PMAQI
14th Jul 2026321 PMAQI
14th Jul 2026242 PMAQI
14th Jul 2026323 PMAQI
14th Jul 2026314 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026316 PMAQI
14th Jul 2026287 PMAQI
14th Jul 2026268 PMAQI
14th Jul 2026229 PMAQI
14th Jul 20262010 PMAQI
14th Jul 20262011 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026261 AMAQI
15th Jul 2026262 AMAQI
15th Jul 2026243 AMAQI
15th Jul 2026284 AMAQI
23°C13/32°C
15th Jul 2026245 AMAQI
15th Jul 2026286 AMAQI
15th Jul 2026267 AMAQI
15th Jul 2026278 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20263010 AMAQI
15th Jul 20262811 AMAQI
15th Jul 20262912 PMAQI
15th Jul 2026301 PMAQI
15th Jul 2026302 PMAQI
15th Jul 2026293 PMAQI
15th Jul 2026304 PMAQI
15th Jul 2026315 PMAQI
15th Jul 2026326 PMAQI
15th Jul 2026287 PMAQI
15th Jul 2026308 PMAQI
15th Jul 2026269 PMAQI
15th Jul 20262710 PMAQI
15th Jul 20262611 PMAQI
16th Jul 20262612 AMAQI
16th Jul 2026261 AMAQI
16th Jul 2026262 AMAQI
16th Jul 2026313 AMAQI
16th Jul 2026304 AMAQI
23°C14/32°C
16th Jul 2026325 AMAQI
16th Jul 2026286 AMAQI
16th Jul 2026287 AMAQI
16th Jul 2026328 AMAQI
16th Jul 2026309 AMAQI
16th Jul 20263010 AMAQI
16th Jul 20263011 AMAQI
16th Jul 20263112 PMAQI
16th Jul 2026321 PMAQI
16th Jul 2026302 PMAQI
16th Jul 2026313 PMAQI
16th Jul 2026264 PMAQI
16th Jul 2026295 PMAQI
16th Jul 2026306 PMAQI
16th Jul 2026307 PMAQI
16th Jul 2026298 PMAQI
16th Jul 2026269 PMAQI
16th Jul 20262710 PMAQI
16th Jul 20262511 PMAQI
17th Jul 20262312 AMAQI
17th Jul 2026251 AMAQI
17th Jul 2026712 AMAQI
17th Jul 2026663 AMAQI
17th Jul 2026714 AMAQI
18°C14/22°C
17th Jul 2026715 AMAQI
17th Jul 2026716 AMAQI
17th Jul 2026757 AMAQI
17th Jul 2026548 AMAQI
17th Jul 2026829 AMAQI
17th Jul 20265410 AMAQI
17th Jul 20268011 AMAQI
17th Jul 20265412 PMAQI
17th Jul 2026541 PMAQI
17th Jul 2026542 PMAQI
17th Jul 2026543 PMAQI
17th Jul 2026404 PMAQI
17th Jul 2026455 PMAQI
17th Jul 2026236 PMAQI
17th Jul 2026237 PMAQI
17th Jul 2026568 PMAQI
17th Jul 2026549 PMAQI
17th Jul 20266310 PMAQI
17th Jul 20263811 PMAQI
18th Jul 20262712 AMAQI
18th Jul 2026511 AMAQI
18th Jul 2026692 AMAQI
18th Jul 2026573 AMAQI
18th Jul 2026624 AMAQI
18°C12/26°C
18th Jul 2026625 AMAQI
18th Jul 2026606 AMAQI
18th Jul 2026687 AMAQI
18th Jul 2026648 AMAQI
18th Jul 2026649 AMAQI
18th Jul 20266510 AMAQI
18th Jul 20267211 AMAQI
18th Jul 20265812 PMAQI
18th Jul 2026581 PMAQI
18th Jul 2026582 PMAQI
18th Jul 2026633 PMAQI
18th Jul 2026664 PMAQI
18th Jul 2026635 PMAQI
18th Jul 2026646 PMAQI
18th Jul 2026587 PMAQI
18th Jul 2026508 PMAQI
18th Jul 2026389 PMAQI
18th Jul 20263610 PMAQI
18th Jul 20263811 PMAQI
19th Jul 20263612 AMAQI
19th Jul 2026341 AMAQI
19th Jul 2026252 AMAQI
19th Jul 2026583 AMAQI
19th Jul 2026484 AMAQI
20°C12/29°C
19th Jul 2026625 AMAQI
19th Jul 2026726 AMAQI
19th Jul 2026717 AMAQI
19th Jul 2026738 AMAQI
19th Jul 2026429 AMAQI
19th Jul 20265610 AMAQI
19th Jul 20263111 AMAQI
19th Jul 20262412 PMAQI
19th Jul 2026511 PMAQI
19th Jul 2026762 PMAQI
19th Jul 2026283 PMAQI
19th Jul 2026464 PMAQI
19th Jul 2026425 PMAQI
19th Jul 2026446 PMAQI
19th Jul 2026757 PMAQI
19th Jul 2026678 PMAQI
19th Jul 2026429 PMAQI
19th Jul 20265810 PMAQI
19th Jul 20263811 PMAQI
20th Jul 20267112 AMAQI
20th Jul 2026501 AMAQI
20th Jul 2026482 AMAQI
20th Jul 2026783 AMAQI
20th Jul 2026744 AMAQI
22°C13/31°C
20th Jul 2026805 AMAQI
20th Jul 2026606 AMAQI
20th Jul 2026787 AMAQI
20th Jul 2026508 AMAQI
20th Jul 2026549 AMAQI
20th Jul 20265010 AMAQI
20th Jul 20266711 AMAQI
20th Jul 20264412 PMAQI
20th Jul 2026461 PMAQI
20th Jul 2026532 PMAQI
20th Jul 2026643 PMAQI
20th Jul 2026464 PMAQI
20th Jul 2026465 PMAQI
20th Jul 2026466 PMAQI
20th Jul 2026467 PMAQI
20th Jul 2026469 PMAQI
20th Jul 20264410 PMAQI
20th Jul 20264611 PMAQI
21st Jul 20264412 AMAQI
21st Jul 2026441 AMAQI
21st Jul 2026482 AMAQI
21st Jul 2026463 AMAQI
21st Jul 2026444 AMAQI
25°C17/34°C
21st Jul 2026465 AMAQI
21st Jul 2026466 AMAQI
21st Jul 2026467 AMAQI
21st Jul 2026468 AMAQI
21st Jul 2026489 AMAQI
21st Jul 20265010 AMAQI
21st Jul 20264811 AMAQI
21st Jul 20264612 PMAQI
21st Jul 2026531 PMAQI
21st Jul 2026582 PMAQI
21st Jul 2026683 PMAQI
21st Jul 2026804 PMAQI
21st Jul 2026805 PMAQI
21st Jul 2026706 PMAQI
21st Jul 2026667 PMAQI
21st Jul 2026738 PMAQI
21st Jul 2026609 PMAQI
21st Jul 20266510 PMAQI
21st Jul 20266211 PMAQI
22nd Jul 20265812 AMAQI
22nd Jul 2026581 AMAQI
22nd Jul 2026572 AMAQI
22nd Jul 2026553 AMAQI
22nd Jul 2026564 AMAQI
29°C19/39°C
22nd Jul 2026545 AMAQI
22nd Jul 2026546 AMAQI
22nd Jul 2026557 AMAQI
22nd Jul 2026558 AMAQI
22nd Jul 2026559 AMAQI
22nd Jul 20265110 AMAQI
22nd Jul 20265511 AMAQI
22nd Jul 20265712 PMAQI
22nd Jul 2026621 PMAQI
22nd Jul 2026662 PMAQI
22nd Jul 2026683 PMAQI
22nd Jul 2026694 PMAQI
22nd Jul 2026665 PMAQI
22nd Jul 2026626 PMAQI
22nd Jul 2026607 PMAQI
22nd Jul 2026608 PMAQI
22nd Jul 2026609 PMAQI
22nd Jul 20265210 PMAQI
22nd Jul 20265111 PMAQI
23rd Jul 20264612 AMAQI
23rd Jul 2026421 AMAQI
23rd Jul 2026422 AMAQI
23rd Jul 2026403 AMAQI
23rd Jul 2026404 AMAQI
28°C20/40°C
23rd Jul 2026425 AMAQI
23rd Jul 2026426 AMAQI
23rd Jul 2026427 AMAQI
23rd Jul 2026788 AMAQI
23rd Jul 2026409 AMAQI
23rd Jul 20264010 AMAQI
23rd Jul 20264411 AMAQI
23rd Jul 20264212 PMAQI
23rd Jul 2026381 PMAQI
23rd Jul 2026422 PMAQI
23rd Jul 2026543 PMAQI
23rd Jul 2026694 PMAQI
23rd Jul 2026265 PMAQI
23rd Jul 2026246 PMAQI
23rd Jul 2026747 PMAQI
23rd Jul 2026688 PMAQI
23rd Jul 2026579 PMAQI
23rd Jul 20264610 PMAQI
23rd Jul 20265411 PMAQI
24th Jul 20264012 AMAQI
24th Jul 2026541 AMAQI
24th Jul 2026402 AMAQI
24th Jul 2026583 AMAQI
24th Jul 2026504 AMAQI
21°C15/29°C
24th Jul 2026465 AMAQI
24th Jul 2026466 AMAQI
24th Jul 2026507 AMAQI
24th Jul 2026638 AMAQI
24th Jul 2026679 AMAQI
24th Jul 20266910 AMAQI
24th Jul 20267111 AMAQI
24th Jul 20266912 PMAQI
24th Jul 2026731 PMAQI
24th Jul 2026682 PMAQI
24th Jul 2026623 PMAQI
24th Jul 2026654 PMAQI
24th Jul 2026685 PMAQI
24th Jul 2026686 PMAQI
24th Jul 2026707 PMAQI
24th Jul 2026658 PMAQI
24th Jul 2026609 PMAQI
24th Jul 20265610 PMAQI
24th Jul 20265611 PMAQI
25th Jul 20265412 AMAQI
25th Jul 2026541 AMAQI
25th Jul 2026702 AMAQI
25th Jul 2026603 AMAQI
25th Jul 2026564 AMAQI
22°C15/32°C
25th Jul 2026605 AMAQI
25th Jul 2026466 AMAQI
25th Jul 2026547 AMAQI
25th Jul 2026608 AMAQI
25th Jul 2026569 AMAQI
25th Jul 20265410 AMAQI
25th Jul 20266211 AMAQI
25th Jul 20266712 PMAQI
25th Jul 2026561 PMAQI
25th Jul 2026682 PMAQI
25th Jul 2026633 PMAQI
25th Jul 2026574 PMAQI
25th Jul 2026675 PMAQI
25th Jul 2026646 PMAQI
25th Jul 2026667 PMAQI
25th Jul 2026668 PMAQI
25th Jul 2026599 PMAQI
25th Jul 20265610 PMAQI
25th Jul 20265811 PMAQI
26th Jul 20266012 AMAQI
26th Jul 2026581 AMAQI
26th Jul 2026602 AMAQI
26th Jul 2026523 AMAQI
26th Jul 2026464 AMAQI
18°C12/23°C
26th Jul 2026695 AMAQI
26th Jul 2026676 AMAQI
26th Jul 2026707 AMAQI
26th Jul 2026718 AMAQI
26th Jul 2026669 AMAQI
26th Jul 20267010 AMAQI
26th Jul 20266211 AMAQI
26th Jul 20265612 PMAQI
26th Jul 2026401 PMAQI
26th Jul 2026602 PMAQI
26th Jul 2026543 PMAQI
26th Jul 2026534 PMAQI
26th Jul 2026575 PMAQI
26th Jul 2026546 PMAQI
26th Jul 2026467 PMAQI
26th Jul 2026468 PMAQI
26th Jul 2026629 PMAQI
26th Jul 20265810 PMAQI
26th Jul 20266511 PMAQI
27th Jul 20266412 AMAQI
27th Jul 2026551 AMAQI
27th Jul 2026222 AMAQI
27th Jul 2026463 AMAQI
27th Jul 2026444 AMAQI
19°C13/27°C
27th Jul 2026665 AMAQI
27th Jul 2026716 AMAQI
27th Jul 2026757 AMAQI
27th Jul 2026718 AMAQI
27th Jul 2026679 AMAQI
27th Jul 20267110 AMAQI
27th Jul 20266811 AMAQI
27th Jul 20266812 PMAQI
27th Jul 2026641 PMAQI
27th Jul 2026672 PMAQI
27th Jul 2026583 PMAQI
27th Jul 2026604 PMAQI
27th Jul 2026685 PMAQI
27th Jul 2026486 PMAQI
27th Jul 2026747 PMAQI
27th Jul 2026718 PMAQI
27th Jul 2026609 PMAQI
27th Jul 20266510 PMAQI
27th Jul 20266311 PMAQI
28th Jul 20265812 AMAQI
28th Jul 2026651 AMAQI
28th Jul 2026622 AMAQI
28th Jul 2026583 AMAQI
28th Jul 2026584 AMAQI
20°C12/29°C
28th Jul 2026675 AMAQI
28th Jul 2026566 AMAQI
28th Jul 2026487 AMAQI
28th Jul 2026478 AMAQI
28th Jul 2026719 AMAQI
28th Jul 20267110 AMAQI
28th Jul 20266811 AMAQI
28th Jul 20267012 PMAQI
28th Jul 2026621 PMAQI
28th Jul 2026462 PMAQI
28th Jul 2026653 PMAQI
28th Jul 2026694 PMAQI
28th Jul 2026645 PMAQI
28th Jul 2026506 PMAQI
28th Jul 2026457 PMAQI
28th Jul 2026608 PMAQI
28th Jul 2026599 PMAQI
28th Jul 20265210 PMAQI
28th Jul 20261711 PMAQI
29th Jul 20261712 AMAQI
29th Jul 2026181 AMAQI
29th Jul 2026222 AMAQI
29th Jul 2026223 AMAQI
29th Jul 2026244 AMAQI
19°C14/26°C
29th Jul 2026665 AMAQI
29th Jul 2026586 AMAQI
29th Jul 2026627 AMAQI
29th Jul 2026578 AMAQI
29th Jul 2026699 AMAQI
29th Jul 20264610 AMAQI
29th Jul 20266811 AMAQI
29th Jul 20266812 PMAQI
29th Jul 2026691 PMAQI
29th Jul 2026712 PMAQI
29th Jul 2026683 PMAQI
29th Jul 2026314 PMAQI
29th Jul 2026695 PMAQI
29th Jul 2026626 PMAQI
29th Jul 2026447 PMAQI
29th Jul 2026468 PMAQI
29th Jul 2026299 PMAQI
29th Jul 20266710 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262312 AMAQI
30th Jul 2026481 AMAQI
30th Jul 2026622 AMAQI
30th Jul 2026523 AMAQI
30th Jul 2026424 AMAQI
20°C12/29°C
30th Jul 2026545 AMAQI
30th Jul 2026676 AMAQI
30th Jul 2026677 AMAQI
30th Jul 2026628 AMAQI
30th Jul 2026689 AMAQI
30th Jul 20266610 AMAQI
30th Jul 20266211 AMAQI
30th Jul 20266912 PMAQI
30th Jul 2026711 PMAQI
30th Jul 2026712 PMAQI
30th Jul 2026663 PMAQI
30th Jul 2026674 PMAQI
30th Jul 2026645 PMAQI
30th Jul 2026666 PMAQI
30th Jul 2026677 PMAQI
30th Jul 2026688 PMAQI
30th Jul 2026609 PMAQI
30th Jul 20266010 PMAQI
30th Jul 20265411 PMAQI
31st Jul 20265412 AMAQI
31st Jul 2026491 AMAQI
31st Jul 2026522 AMAQI
31st Jul 2026483 AMAQI
31st Jul 2026444 AMAQI
20°C12/29°C
31st Jul 2026625 AMAQI
31st Jul 2026586 AMAQI
31st Jul 2026577 AMAQI
31st Jul 2026608 AMAQI
31st Jul 2026579 AMAQI
31st Jul 20263810 AMAQI
31st Jul 20266011 AMAQI
31st Jul 20266712 PMAQI
31st Jul 2026441 PMAQI
31st Jul 2026532 PMAQI
31st Jul 2026553 PMAQI
31st Jul 2026514 PMAQI
31st Jul 2026295 PMAQI
31st Jul 2026296 PMAQI
31st Jul 2026237 PMAQI
31st Jul 2026588 PMAQI
31st Jul 2026509 PMAQI
31st Jul 20265410 PMAQI
31st Jul 20265011 PMAQI
1st Aug 20265312 AMAQI
1st Aug 2026421 AMAQI
1st Aug 2026452 AMAQI
1st Aug 2026583 AMAQI
1st Aug 2026524 AMAQI
23°C14/33°C
1st Aug 2026655 AMAQI
1st Aug 2026406 AMAQI
1st Aug 2026697 AMAQI
1st Aug 2026608 AMAQI
1st Aug 2026629 AMAQI
1st Aug 20266910 AMAQI
1st Aug 20266711 AMAQI
1st Aug 20266512 PMAQI
1st Aug 2026601 PMAQI
1st Aug 2026542 PMAQI
1st Aug 2026423 PMAQI
1st Aug 2026184 PMAQI
1st Aug 2026205 PMAQI
1st Aug 2026356 PMAQI
1st Aug 2026207 PMAQI
1st Aug 2026208 PMAQI
1st Aug 2026179 PMAQI
1st Aug 20261810 PMAQI
1st Aug 20261811 PMAQI
2nd Aug 20265412 AMAQI
2nd Aug 2026561 AMAQI
2nd Aug 2026622 AMAQI
2nd Aug 2026503 AMAQI
2nd Aug 2026464 AMAQI
19°C14/25°C
2nd Aug 2026425 AMAQI
2nd Aug 2026206 AMAQI
2nd Aug 2026547 AMAQI
2nd Aug 2026628 AMAQI
2nd Aug 2026669 AMAQI
2nd Aug 20266810 AMAQI
2nd Aug 20267011 AMAQI
2nd Aug 20266212 PMAQI
2nd Aug 2026601 PMAQI
2nd Aug 2026542 PMAQI
2nd Aug 2026583 PMAQI
2nd Aug 2026524 PMAQI
2nd Aug 2026325 PMAQI
2nd Aug 2026256 PMAQI
2nd Aug 2026207 PMAQI
2nd Aug 2026208 PMAQI
2nd Aug 2026179 PMAQI
2nd Aug 20262010 PMAQI
2nd Aug 20261811 PMAQI
3rd Aug 20261812 AMAQI
3rd Aug 2026201 AMAQI
3rd Aug 2026522 AMAQI
3rd Aug 2026503 AMAQI
3rd Aug 2026584 AMAQI
17°C11/24°C
3rd Aug 2026555 AMAQI
3rd Aug 2026546 AMAQI
3rd Aug 2026547 AMAQI
3rd Aug 2026588 AMAQI
3rd Aug 2026509 AMAQI
3rd Aug 20265210 AMAQI
3rd Aug 20265811 AMAQI
3rd Aug 20266612 PMAQI
3rd Aug 2026521 PMAQI
3rd Aug 2026622 PMAQI
3rd Aug 2026663 PMAQI
3rd Aug 2026704 PMAQI
3rd Aug 2026735 PMAQI
3rd Aug 2026726 PMAQI
3rd Aug 2026687 PMAQI
3rd Aug 2026718 PMAQI
3rd Aug 2026629 PMAQI
3rd Aug 20266410 PMAQI
3rd Aug 20267011 PMAQI
4th Aug 20266912 AMAQI
4th Aug 2026721 AMAQI
4th Aug 2026742 AMAQI
4th Aug 2026763 AMAQI
4th Aug 2026704 AMAQI
21°C13/30°C
4th Aug 2026685 AMAQI
5 AM4th Aug 2026736 AMAQI
4th Aug 2026737 AMAQI
4th Aug 2026718 AMAQI
4th Aug 2026729 AMAQI
4th Aug 20267010 AMAQI
4th Aug 20266911 AMAQI
4th Aug 20267312 PMAQI
12 PM4th Aug 2026761 PMAQI
4th Aug 2026682 PMAQI
4th Aug 2026673 PMAQI
4th Aug 2026604 PMAQI
4th Aug 2026715 PMAQI
4th Aug 2026736 PMAQI
4th Aug 2026727 PMAQI
4th Aug 2026668 PMAQI
8 PM4th Aug 2026649 PMAQI
4th Aug 20267010 PMAQI
12 AM
4 AM
26°C18/34°C
Day time
Avg. Highest Time
7 AM - 11 AM
50AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
6 PM - 7 PM
44AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 11 AM (Avg. 50), while the lowest AQI was between 6 PM to 7 PM (Avg. 44).
Night time
Avg. Highest Time
3 AM - 4 AM
45AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
11 PM
38AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 4 AM (Avg. 45), while the lowest AQI was between 11 PM to 11 PM (Avg. 38).
2026 Days Vs Air Quality
Forest Grove, Oregon, United States
2026
90%
190
10%
22
Total number of days with different AQI categories in last 216 days in 2026 (149 days remaining)
Good
190 DaysModerate
22 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2026, 90% of 216 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
Forest Grove, Oregon, 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
51AQI (US)
51AQI (US)
2nd January 2026
34AQI (US)
34AQI (US)
3rd January 2026
24AQI (US)
24AQI (US)
4th January 2026
14AQI (US)
14AQI (US)
5th January 2026
19AQI (US)
19AQI (US)
6th January 2026
27AQI (US)
27AQI (US)
7th January 2026
15AQI (US)
15AQI (US)
8th January 2026
22AQI (US)
22AQI (US)
9th January 2026
22AQI (US)
22AQI (US)
10th January 2026
47AQI (US)
47AQI (US)
11th January 2026
56AQI (US)
56AQI (US)
12th January 2026
43AQI (US)
43AQI (US)
13th January 2026
49AQI (US)
49AQI (US)
14th January 2026
34AQI (US)
34AQI (US)
15th January 2026
27AQI (US)
27AQI (US)
16th January 2026
27AQI (US)
27AQI (US)
17th January 2026
20AQI (US)
20AQI (US)
18th January 2026
31AQI (US)
31AQI (US)
19th January 2026
29AQI (US)
29AQI (US)
20th January 2026
38AQI (US)
38AQI (US)
21st January 2026
33AQI (US)
33AQI (US)
22nd January 2026
49AQI (US)
49AQI (US)
23rd January 2026
54AQI (US)
54AQI (US)
24th January 2026
49AQI (US)
49AQI (US)
25th January 2026
46AQI (US)
46AQI (US)
26th January 2026
47AQI (US)
47AQI (US)
27th January 2026
45AQI (US)
45AQI (US)
28th January 2026
48AQI (US)
48AQI (US)
29th January 2026
52AQI (US)
52AQI (US)
30th January 2026
49AQI (US)
49AQI (US)
31st January 2026
45AQI (US)
45AQI (US)
1st February 2026
48AQI (US)
48AQI (US)
2nd February 2026
49AQI (US)
49AQI (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
40AQI (US)
40AQI (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
47AQI (US)
47AQI (US)
11th February 2026
46AQI (US)
46AQI (US)
12th February 2026
45AQI (US)
45AQI (US)
13th February 2026
52AQI (US)
52AQI (US)
14th February 2026
50AQI (US)
50AQI (US)
15th February 2026
41AQI (US)
41AQI (US)
16th February 2026
45AQI (US)
45AQI (US)
17th February 2026
46AQI (US)
46AQI (US)
18th February 2026
43AQI (US)
43AQI (US)
19th February 2026
42AQI (US)
42AQI (US)
20th February 2026
42AQI (US)
42AQI (US)
21st February 2026
35AQI (US)
35AQI (US)
22nd February 2026
37AQI (US)
37AQI (US)
23rd February 2026
41AQI (US)
41AQI (US)
24th February 2026
45AQI (US)
45AQI (US)
25th February 2026
42AQI (US)
42AQI (US)
26th February 2026
36AQI (US)
36AQI (US)
27th February 2026
35AQI (US)
35AQI (US)
28th February 2026
39AQI (US)
39AQI (US)
1st March 2026
42AQI (US)
42AQI (US)
2nd March 2026
53AQI (US)
53AQI (US)
3rd March 2026
47AQI (US)
47AQI (US)
4th March 2026
46AQI (US)
46AQI (US)
5th March 2026
42AQI (US)
42AQI (US)
6th March 2026
38AQI (US)
38AQI (US)
7th March 2026
40AQI (US)
40AQI (US)
8th March 2026
40AQI (US)
40AQI (US)
9th March 2026
42AQI (US)
42AQI (US)
10th March 2026
37AQI (US)
37AQI (US)
11th March 2026
43AQI (US)
43AQI (US)
12th March 2026
42AQI (US)
42AQI (US)
13th March 2026
41AQI (US)
41AQI (US)
14th March 2026
36AQI (US)
36AQI (US)
15th March 2026
37AQI (US)
37AQI (US)
16th March 2026
37AQI (US)
37AQI (US)
17th March 2026
34AQI (US)
34AQI (US)
18th March 2026
33AQI (US)
33AQI (US)
19th March 2026
32AQI (US)
32AQI (US)
20th March 2026
37AQI (US)
37AQI (US)
21st March 2026
37AQI (US)
37AQI (US)
22nd March 2026
36AQI (US)
36AQI (US)
23rd March 2026
40AQI (US)
40AQI (US)
24th March 2026
36AQI (US)
36AQI (US)
25th March 2026
33AQI (US)
33AQI (US)
26th March 2026
30AQI (US)
30AQI (US)
27th March 2026
30AQI (US)
30AQI (US)
28th March 2026
34AQI (US)
34AQI (US)
29th March 2026
30AQI (US)
30AQI (US)
30th March 2026
27AQI (US)
27AQI (US)
31st March 2026
26AQI (US)
26AQI (US)
1st April 2026
33AQI (US)
33AQI (US)
2nd April 2026
33AQI (US)
33AQI (US)
3rd April 2026
27AQI (US)
27AQI (US)
4th April 2026
31AQI (US)
31AQI (US)
5th April 2026
28AQI (US)
28AQI (US)
6th April 2026
27AQI (US)
27AQI (US)
7th April 2026
27AQI (US)
27AQI (US)
8th April 2026
30AQI (US)
30AQI (US)
9th April 2026
28AQI (US)
28AQI (US)
10th April 2026
32AQI (US)
32AQI (US)
11th April 2026
33AQI (US)
33AQI (US)
12th April 2026
28AQI (US)
28AQI (US)
13th April 2026
34AQI (US)
34AQI (US)
14th April 2026
34AQI (US)
34AQI (US)
15th April 2026
34AQI (US)
34AQI (US)
16th April 2026
29AQI (US)
29AQI (US)
17th April 2026
18th April 2026
33AQI (US)
33AQI (US)
19th April 2026
33AQI (US)
33AQI (US)
20th April 2026
28AQI (US)
28AQI (US)
21st April 2026
28AQI (US)
28AQI (US)
22nd April 2026
23rd April 2026
24AQI (US)
24AQI (US)
24th April 2026
29AQI (US)
29AQI (US)
25th April 2026
31AQI (US)
31AQI (US)
26th April 2026
33AQI (US)
33AQI (US)
27th April 2026
28AQI (US)
28AQI (US)
28th April 2026
24AQI (US)
24AQI (US)
29th April 2026
24AQI (US)
24AQI (US)
30th April 2026
26AQI (US)
26AQI (US)
1st May 2026
27AQI (US)
27AQI (US)
2nd May 2026
24AQI (US)
24AQI (US)
3rd May 2026
23AQI (US)
23AQI (US)
4th May 2026
29AQI (US)
29AQI (US)
5th May 2026
33AQI (US)
33AQI (US)
6th May 2026
31AQI (US)
31AQI (US)
7th May 2026
29AQI (US)
29AQI (US)
8th May 2026
28AQI (US)
28AQI (US)
9th May 2026
10th May 2026
35AQI (US)
35AQI (US)
11th May 2026
31AQI (US)
31AQI (US)
12th May 2026
28AQI (US)
28AQI (US)
13th May 2026
29AQI (US)
29AQI (US)
14th May 2026
25AQI (US)
25AQI (US)
15th May 2026
46AQI (US)
46AQI (US)
16th May 2026
52AQI (US)
52AQI (US)
17th May 2026
57AQI (US)
57AQI (US)
18th May 2026
57AQI (US)
57AQI (US)
19th May 2026
55AQI (US)
55AQI (US)
20th May 2026
50AQI (US)
50AQI (US)
21st May 2026
40AQI (US)
40AQI (US)
22nd May 2026
49AQI (US)
49AQI (US)
23rd May 2026
49AQI (US)
49AQI (US)
24th May 2026
46AQI (US)
46AQI (US)
25th May 2026
43AQI (US)
43AQI (US)
26th May 2026
28AQI (US)
28AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
27AQI (US)
27AQI (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
27AQI (US)
27AQI (US)
11th June 2026
27AQI (US)
27AQI (US)
12th June 2026
26AQI (US)
26AQI (US)
13th June 2026
25AQI (US)
25AQI (US)
14th June 2026
24AQI (US)
24AQI (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
24AQI (US)
24AQI (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
24AQI (US)
24AQI (US)
24th June 2026
24AQI (US)
24AQI (US)
25th June 2026
25AQI (US)
25AQI (US)
26th June 2026
27AQI (US)
27AQI (US)
27th June 2026
29AQI (US)
29AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
25AQI (US)
25AQI (US)
30th June 2026
26AQI (US)
26AQI (US)
1st July 2026
26AQI (US)
26AQI (US)
2nd July 2026
27AQI (US)
27AQI (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
29AQI (US)
29AQI (US)
8th July 2026
27AQI (US)
27AQI (US)
9th July 2026
29AQI (US)
29AQI (US)
10th July 2026
32AQI (US)
32AQI (US)
11th July 2026
31AQI (US)
31AQI (US)
12th July 2026
29AQI (US)
29AQI (US)
13th July 2026
31AQI (US)
31AQI (US)
14th July 2026
30AQI (US)
30AQI (US)
15th July 2026
28AQI (US)
28AQI (US)
16th July 2026
29AQI (US)
29AQI (US)
17th July 2026
54AQI (US)
54AQI (US)
18th July 2026
57AQI (US)
57AQI (US)
19th July 2026
50AQI (US)
50AQI (US)
20th July 2026
56AQI (US)
56AQI (US)
21st July 2026
56AQI (US)
56AQI (US)
22nd July 2026
58AQI (US)
58AQI (US)
23rd July 2026
47AQI (US)
47AQI (US)
24th July 2026
60AQI (US)
60AQI (US)
25th July 2026
60AQI (US)
60AQI (US)
26th July 2026
58AQI (US)
58AQI (US)
27th July 2026
62AQI (US)
62AQI (US)
28th July 2026
58AQI (US)
58AQI (US)
29th July 2026
49AQI (US)
49AQI (US)
30th July 2026
61AQI (US)
61AQI (US)
31st July 2026
50AQI (US)
50AQI (US)
1st August 2026
45AQI (US)
45AQI (US)
2nd August 2026
45AQI (US)
45AQI (US)
3rd August 2026
57AQI (US)
57AQI (US)
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
37AQI (US)
44AQI (US)
37AQI (US)
30AQI (US)
36AQI (US)
26AQI (US)
42AQI (US)
49AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
27
4
27
1
30
1
28
26
4
30
20
11
2
1
190
22
Highest AQI (US) recorded in
August49AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202525AQI (US)
6
30
31
30
31
31
30
24
7
22
8
28
3
263
18
Highest AQI (US) recorded in
November42AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Most Polluted Year Recorded
2026(Avg.)
36AQI (US)Least Polluted Year Recorded
2025(Avg.)
25AQI (US)Forest Grove's annual 2026 AQI (US) (36) shows an average percentage change of 44% (worsened AQI (US)) compared to previous years: 2025 (25).
