Ridgefield, 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
Ridgefield, Washington, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Aug 2023
110AQILowest AQI recorded on
6th Aug 2023
12AQISame Day Analysis (4th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 71 of Moderate air quality on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Ridgefield, Washington, United States
AQI
Day
Night
.
5 AM4th Aug 2026
8 PM
4 AM5th Aug 2026
Day time
Avg. Highest Time
9AM4th Aug
82AQI
Avg. Lowest Time
4PM4th Aug
58AQI
Night time
Avg. Highest Time
4AM5th Aug
76AQI
Avg. Lowest Time
9PM4th Aug
63AQI
In the last 24 hours,
Ridgefield's AQI reached its highest point of 82 at 9 AM during the Day, while the lowest point, 58, was recorded at 4 PM during the Day between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Ridgefield, 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 2026286 AMAQI
7th Jul 2026297 AMAQI
7th Jul 2026338 AMAQI
7th Jul 2026329 AMAQI
7th Jul 20263010 AMAQI
7th Jul 20263211 AMAQI
7th Jul 20262812 PMAQI
7th Jul 2026301 PMAQI
7th Jul 2026302 PMAQI
7th Jul 2026323 PMAQI
7th Jul 2026324 PMAQI
7th Jul 2026295 PMAQI
7th Jul 2026286 PMAQI
7th Jul 2026287 PMAQI
7th Jul 2026278 PMAQI
7th Jul 2026249 PMAQI
7th Jul 20262910 PMAQI
7th Jul 20263011 PMAQI
8th Jul 20262612 AMAQI
8th Jul 2026261 AMAQI
8th Jul 2026262 AMAQI
8th Jul 2026203 AMAQI
8th Jul 2026214 AMAQI
20°C13/28°C
8th Jul 2026235 AMAQI
8th Jul 2026266 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026328 AMAQI
8th Jul 2026319 AMAQI
8th Jul 20263210 AMAQI
8th Jul 20263011 AMAQI
8th Jul 20262812 PMAQI
8th Jul 2026301 PMAQI
8th Jul 2026282 PMAQI
8th Jul 2026303 PMAQI
8th Jul 2026304 PMAQI
8th Jul 2026245 PMAQI
8th Jul 2026246 PMAQI
8th Jul 2026247 PMAQI
8th Jul 2026248 PMAQI
8th Jul 2026229 PMAQI
8th Jul 20262510 PMAQI
8th Jul 20262811 PMAQI
9th Jul 20262812 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026282 AMAQI
9th Jul 2026263 AMAQI
9th Jul 2026264 AMAQI
20°C15/28°C
9th Jul 2026285 AMAQI
9th Jul 2026306 AMAQI
9th Jul 2026307 AMAQI
9th Jul 2026278 AMAQI
9th Jul 2026319 AMAQI
9th Jul 20262910 AMAQI
9th Jul 20263011 AMAQI
9th Jul 20262812 PMAQI
9th Jul 2026301 PMAQI
9th Jul 2026312 PMAQI
9th Jul 2026283 PMAQI
9th Jul 2026324 PMAQI
9th Jul 2026295 PMAQI
9th Jul 2026326 PMAQI
9th Jul 2026317 PMAQI
9th Jul 2026288 PMAQI
9th Jul 2026269 PMAQI
9th Jul 20262610 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262712 AMAQI
10th Jul 2026311 AMAQI
10th Jul 2026322 AMAQI
10th Jul 2026323 AMAQI
10th Jul 2026324 AMAQI
19°C11/28°C
10th Jul 2026345 AMAQI
10th Jul 2026326 AMAQI
10th Jul 2026397 AMAQI
10th Jul 2026348 AMAQI
10th Jul 2026359 AMAQI
10th Jul 20263410 AMAQI
10th Jul 20263611 AMAQI
10th Jul 20263212 PMAQI
10th Jul 2026351 PMAQI
10th Jul 2026332 PMAQI
10th Jul 2026323 PMAQI
10th Jul 2026354 PMAQI
10th Jul 2026405 PMAQI
10th Jul 2026366 PMAQI
10th Jul 2026317 PMAQI
10th Jul 2026308 PMAQI
10th Jul 2026249 PMAQI
10th Jul 20262410 PMAQI
10th Jul 20262211 PMAQI
11th Jul 20263012 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026322 AMAQI
11th Jul 2026323 AMAQI
11th Jul 2026304 AMAQI
20°C13/28°C
11th Jul 2026325 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026347 AMAQI
11th Jul 2026358 AMAQI
11th Jul 2026359 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20263411 AMAQI
11th Jul 20262812 PMAQI
11th Jul 2026321 PMAQI
11th Jul 2026302 PMAQI
11th Jul 2026323 PMAQI
11th Jul 2026324 PMAQI
11th Jul 2026315 PMAQI
11th Jul 2026336 PMAQI
11th Jul 2026307 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026269 PMAQI
11th Jul 20262410 PMAQI
11th Jul 20262411 PMAQI
12th Jul 20262812 AMAQI
12th Jul 2026321 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026303 AMAQI
12th Jul 2026314 AMAQI
18°C15/25°C
12th Jul 2026305 AMAQI
12th Jul 2026326 AMAQI
12th Jul 2026317 AMAQI
12th Jul 2026328 AMAQI
12th Jul 2026349 AMAQI
12th Jul 20263110 AMAQI
12th Jul 20262911 AMAQI
12th Jul 20262812 PMAQI
12th Jul 2026301 PMAQI
12th Jul 2026282 PMAQI
12th Jul 2026303 PMAQI
12th Jul 2026304 PMAQI
12th Jul 2026315 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026229 PMAQI
12th Jul 20262210 PMAQI
12th Jul 20262411 PMAQI
13th Jul 20262712 AMAQI
13th Jul 2026321 AMAQI
13th Jul 2026302 AMAQI
13th Jul 2026323 AMAQI
13th Jul 2026344 AMAQI
18°C11/27°C
13th Jul 2026345 AMAQI
13th Jul 2026346 AMAQI
13th Jul 2026367 AMAQI
13th Jul 2026378 AMAQI
13th Jul 2026349 AMAQI
13th Jul 20263610 AMAQI
13th Jul 20263411 AMAQI
13th Jul 20263012 PMAQI
13th Jul 2026321 PMAQI
13th Jul 2026332 PMAQI
13th Jul 2026313 PMAQI
13th Jul 2026284 PMAQI
13th Jul 2026345 PMAQI
13th Jul 2026366 PMAQI
13th Jul 2026277 PMAQI
13th Jul 2026268 PMAQI
13th Jul 2026229 PMAQI
13th Jul 20262210 PMAQI
13th Jul 20262211 PMAQI
14th Jul 20262612 AMAQI
14th Jul 2026311 AMAQI
14th Jul 2026302 AMAQI
14th Jul 2026303 AMAQI
14th Jul 2026334 AMAQI
21°C12/30°C
14th Jul 2026325 AMAQI
14th Jul 2026366 AMAQI
14th Jul 2026367 AMAQI
14th Jul 2026358 AMAQI
14th Jul 2026369 AMAQI
14th Jul 20263410 AMAQI
14th Jul 20263211 AMAQI
14th Jul 20263212 PMAQI
14th Jul 2026321 PMAQI
14th Jul 2026262 PMAQI
14th Jul 2026323 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026285 PMAQI
14th Jul 2026306 PMAQI
14th Jul 2026247 PMAQI
14th Jul 2026258 PMAQI
14th Jul 2026229 PMAQI
14th Jul 20262110 PMAQI
14th Jul 20262011 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026261 AMAQI
15th Jul 2026242 AMAQI
15th Jul 2026243 AMAQI
15th Jul 2026264 AMAQI
22°C13/32°C
15th Jul 2026235 AMAQI
15th Jul 2026296 AMAQI
15th Jul 2026267 AMAQI
15th Jul 2026268 AMAQI
15th Jul 2026279 AMAQI
15th Jul 20263010 AMAQI
15th Jul 20263011 AMAQI
15th Jul 20262812 PMAQI
15th Jul 2026301 PMAQI
15th Jul 2026302 PMAQI
15th Jul 2026303 PMAQI
15th Jul 2026314 PMAQI
15th Jul 2026305 PMAQI
15th Jul 2026306 PMAQI
15th Jul 2026307 PMAQI
15th Jul 2026298 PMAQI
15th Jul 2026259 PMAQI
15th Jul 20262610 PMAQI
15th Jul 20262411 PMAQI
16th Jul 20262412 AMAQI
16th Jul 2026261 AMAQI
16th Jul 2026322 AMAQI
16th Jul 2026303 AMAQI
16th Jul 2026304 AMAQI
22°C15/31°C
16th Jul 2026305 AMAQI
16th Jul 2026266 AMAQI
16th Jul 2026327 AMAQI
16th Jul 2026308 AMAQI
16th Jul 2026329 AMAQI
16th Jul 20263210 AMAQI
16th Jul 20263011 AMAQI
16th Jul 20263212 PMAQI
16th Jul 2026301 PMAQI
16th Jul 2026302 PMAQI
16th Jul 2026303 PMAQI
16th Jul 2026284 PMAQI
16th Jul 2026285 PMAQI
16th Jul 2026316 PMAQI
16th Jul 2026317 PMAQI
16th Jul 2026288 PMAQI
16th Jul 2026259 PMAQI
16th Jul 20262610 PMAQI
16th Jul 20262411 PMAQI
17th Jul 20261812 AMAQI
17th Jul 2026211 AMAQI
17th Jul 2026672 AMAQI
17th Jul 2026663 AMAQI
17th Jul 2026684 AMAQI
19°C16/24°C
17th Jul 2026725 AMAQI
17th Jul 2026706 AMAQI
17th Jul 2026747 AMAQI
17th Jul 2026518 AMAQI
17th Jul 2026769 AMAQI
17th Jul 20263010 AMAQI
17th Jul 20267211 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 2026447 PMAQI
17th Jul 2026608 PMAQI
17th Jul 2026529 PMAQI
17th Jul 20265910 PMAQI
17th Jul 20265811 PMAQI
18th Jul 20264012 AMAQI
18th Jul 2026591 AMAQI
18th Jul 2026682 AMAQI
18th Jul 2026583 AMAQI
18th Jul 2026684 AMAQI
18°C11/24°C
18th Jul 2026645 AMAQI
18th Jul 2026646 AMAQI
18th Jul 2026697 AMAQI
18th Jul 2026668 AMAQI
18th Jul 2026659 AMAQI
18th Jul 20266410 AMAQI
18th Jul 20267011 AMAQI
18th Jul 20265812 PMAQI
18th Jul 2026581 PMAQI
18th Jul 2026582 PMAQI
18th Jul 2026633 PMAQI
18th Jul 2026624 PMAQI
18th Jul 2026595 PMAQI
18th Jul 2026606 PMAQI
18th Jul 2026587 PMAQI
18th Jul 2026508 PMAQI
18th Jul 2026539 PMAQI
18th Jul 20264010 PMAQI
18th Jul 20265411 PMAQI
19th Jul 20264612 AMAQI
19th Jul 2026461 AMAQI
19th Jul 2026292 AMAQI
19th Jul 2026313 AMAQI
19th Jul 2026544 AMAQI
19°C12/28°C
19th Jul 2026565 AMAQI
19th Jul 2026466 AMAQI
19th Jul 2026317 AMAQI
19th Jul 2026258 AMAQI
19th Jul 2026549 AMAQI
19th Jul 20267310 AMAQI
19th Jul 20267411 AMAQI
19th Jul 20267612 PMAQI
19th Jul 2026761 PMAQI
19th Jul 2026742 PMAQI
19th Jul 2026453 PMAQI
19th Jul 2026794 PMAQI
19th Jul 2026475 PMAQI
19th Jul 2026546 PMAQI
19th Jul 2026737 PMAQI
19th Jul 2026678 PMAQI
19th Jul 2026659 PMAQI
19th Jul 20265810 PMAQI
19th Jul 20264611 PMAQI
20th Jul 20267212 AMAQI
20th Jul 2026721 AMAQI
20th Jul 2026732 AMAQI
20th Jul 2026723 AMAQI
20th Jul 2026744 AMAQI
21°C13/30°C
20th Jul 2026765 AMAQI
20th Jul 2026856 AMAQI
20th Jul 2026707 AMAQI
20th Jul 2026508 AMAQI
20th Jul 2026549 AMAQI
20th Jul 20267210 AMAQI
20th Jul 20266511 AMAQI
20th Jul 20264412 PMAQI
20th Jul 2026421 PMAQI
20th Jul 2026532 PMAQI
20th Jul 2026643 PMAQI
20th Jul 2026504 PMAQI
20th Jul 2026465 PMAQI
20th Jul 2026406 PMAQI
20th Jul 2026427 PMAQI
20th Jul 2026449 PMAQI
20th Jul 20264810 PMAQI
20th Jul 20264811 PMAQI
21st Jul 20264612 AMAQI
21st Jul 2026481 AMAQI
21st Jul 2026482 AMAQI
21st Jul 2026513 AMAQI
21st Jul 2026514 AMAQI
24°C15/33°C
21st Jul 2026525 AMAQI
21st Jul 2026526 AMAQI
21st Jul 2026507 AMAQI
21st Jul 2026508 AMAQI
21st Jul 2026489 AMAQI
21st Jul 20265110 AMAQI
21st Jul 20265011 AMAQI
21st Jul 20264212 PMAQI
21st Jul 2026521 PMAQI
21st Jul 2026562 PMAQI
21st Jul 2026553 PMAQI
21st Jul 2026654 PMAQI
21st Jul 2026745 PMAQI
21st Jul 2026746 PMAQI
21st Jul 2026717 PMAQI
21st Jul 2026748 PMAQI
21st Jul 2026699 PMAQI
21st Jul 20265810 PMAQI
21st Jul 20265511 PMAQI
22nd Jul 20265212 AMAQI
22nd Jul 2026521 AMAQI
22nd Jul 2026502 AMAQI
22nd Jul 2026513 AMAQI
22nd Jul 2026464 AMAQI
27°C16/38°C
22nd Jul 2026465 AMAQI
22nd Jul 2026486 AMAQI
22nd Jul 2026487 AMAQI
22nd Jul 2026488 AMAQI
22nd Jul 2026489 AMAQI
22nd Jul 20264610 AMAQI
22nd Jul 20265211 AMAQI
22nd Jul 20265712 PMAQI
22nd Jul 2026571 PMAQI
22nd Jul 2026592 PMAQI
22nd Jul 2026603 PMAQI
22nd Jul 2026624 PMAQI
22nd Jul 2026645 PMAQI
22nd Jul 2026646 PMAQI
22nd Jul 2026587 PMAQI
22nd Jul 2026578 PMAQI
22nd Jul 2026539 PMAQI
22nd Jul 20265110 PMAQI
22nd Jul 20265311 PMAQI
23rd Jul 20265112 AMAQI
23rd Jul 2026461 AMAQI
23rd Jul 2026402 AMAQI
23rd Jul 2026423 AMAQI
23rd Jul 2026444 AMAQI
28°C21/40°C
23rd Jul 2026425 AMAQI
23rd Jul 2026426 AMAQI
23rd Jul 2026467 AMAQI
23rd Jul 2026468 AMAQI
23rd Jul 2026429 AMAQI
23rd Jul 20264010 AMAQI
23rd Jul 20264011 AMAQI
23rd Jul 20264012 PMAQI
23rd Jul 2026421 PMAQI
23rd Jul 2026422 PMAQI
23rd Jul 2026543 PMAQI
23rd Jul 2026704 PMAQI
23rd Jul 2026275 PMAQI
23rd Jul 2026256 PMAQI
23rd Jul 2026457 PMAQI
23rd Jul 2026708 PMAQI
23rd Jul 2026579 PMAQI
23rd Jul 20264610 PMAQI
23rd Jul 20265411 PMAQI
24th Jul 20264012 AMAQI
24th Jul 2026541 AMAQI
24th Jul 2026562 AMAQI
24th Jul 2026583 AMAQI
24th Jul 2026404 AMAQI
21°C16/28°C
24th Jul 2026365 AMAQI
24th Jul 2026376 AMAQI
24th Jul 2026507 AMAQI
24th Jul 2026668 AMAQI
24th Jul 2026669 AMAQI
24th Jul 20266910 AMAQI
24th Jul 20267111 AMAQI
24th Jul 20266812 PMAQI
24th Jul 2026741 PMAQI
24th Jul 2026692 PMAQI
24th Jul 2026663 PMAQI
24th Jul 2026604 PMAQI
24th Jul 2026685 PMAQI
24th Jul 2026696 PMAQI
24th Jul 2026647 PMAQI
24th Jul 2026668 PMAQI
24th Jul 2026599 PMAQI
24th Jul 20265610 PMAQI
24th Jul 20265411 PMAQI
25th Jul 20265412 AMAQI
25th Jul 2026541 AMAQI
25th Jul 2026662 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 2026628 AMAQI
25th Jul 2026589 AMAQI
25th Jul 20265410 AMAQI
25th Jul 20266511 AMAQI
25th Jul 20266912 PMAQI
25th Jul 2026561 PMAQI
25th Jul 2026742 PMAQI
25th Jul 2026653 PMAQI
25th Jul 2026584 PMAQI
25th Jul 2026705 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026667 PMAQI
25th Jul 2026648 PMAQI
25th Jul 2026569 PMAQI
25th Jul 20266010 PMAQI
25th Jul 20265811 PMAQI
26th Jul 20266012 AMAQI
26th Jul 2026591 AMAQI
26th Jul 2026582 AMAQI
26th Jul 2026523 AMAQI
26th Jul 2026464 AMAQI
19°C14/23°C
26th Jul 2026685 AMAQI
26th Jul 2026666 AMAQI
26th Jul 2026717 AMAQI
26th Jul 2026678 AMAQI
26th Jul 2026669 AMAQI
26th Jul 20267310 AMAQI
26th Jul 20266211 AMAQI
26th Jul 20266012 PMAQI
26th Jul 2026441 PMAQI
26th Jul 2026622 PMAQI
26th Jul 2026583 PMAQI
26th Jul 2026554 PMAQI
26th Jul 2026535 PMAQI
26th Jul 2026546 PMAQI
26th Jul 2026467 PMAQI
26th Jul 2026468 PMAQI
26th Jul 2026659 PMAQI
26th Jul 20265910 PMAQI
26th Jul 20266011 PMAQI
27th Jul 20266012 AMAQI
27th Jul 2026561 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026463 AMAQI
27th Jul 2026444 AMAQI
20°C15/28°C
27th Jul 2026655 AMAQI
27th Jul 2026756 AMAQI
27th Jul 2026747 AMAQI
27th Jul 2026668 AMAQI
27th Jul 2026669 AMAQI
27th Jul 20266910 AMAQI
27th Jul 20266911 AMAQI
27th Jul 20266912 PMAQI
27th Jul 2026651 PMAQI
27th Jul 2026692 PMAQI
27th Jul 2026583 PMAQI
27th Jul 2026604 PMAQI
27th Jul 2026695 PMAQI
27th Jul 2026476 PMAQI
27th Jul 2026697 PMAQI
27th Jul 2026678 PMAQI
27th Jul 2026629 PMAQI
27th Jul 20266210 PMAQI
27th Jul 20266311 PMAQI
28th Jul 20265812 AMAQI
28th Jul 2026621 AMAQI
28th Jul 2026622 AMAQI
28th Jul 2026583 AMAQI
28th Jul 2026584 AMAQI
21°C13/29°C
28th Jul 2026655 AMAQI
28th Jul 2026526 AMAQI
28th Jul 2026717 AMAQI
28th Jul 2026478 AMAQI
28th Jul 2026709 AMAQI
28th Jul 20267610 AMAQI
28th Jul 20267311 AMAQI
28th Jul 20266712 PMAQI
28th Jul 2026661 PMAQI
28th Jul 2026742 PMAQI
28th Jul 2026623 PMAQI
28th Jul 2026224 PMAQI
28th Jul 2026645 PMAQI
28th Jul 2026266 PMAQI
28th Jul 2026477 PMAQI
28th Jul 2026608 PMAQI
28th Jul 2026599 PMAQI
28th Jul 20265210 PMAQI
28th Jul 20261711 PMAQI
29th Jul 20261812 AMAQI
29th Jul 2026181 AMAQI
29th Jul 2026222 AMAQI
29th Jul 2026223 AMAQI
29th Jul 2026244 AMAQI
19°C14/26°C
29th Jul 2026625 AMAQI
29th Jul 2026576 AMAQI
29th Jul 2026607 AMAQI
29th Jul 2026588 AMAQI
29th Jul 2026739 AMAQI
29th Jul 20264410 AMAQI
29th Jul 20266711 AMAQI
29th Jul 20267112 PMAQI
29th Jul 2026731 PMAQI
29th Jul 2026692 PMAQI
29th Jul 2026723 PMAQI
29th Jul 2026294 PMAQI
29th Jul 2026715 PMAQI
29th Jul 2026666 PMAQI
29th Jul 2026657 PMAQI
29th Jul 2026348 PMAQI
29th Jul 2026629 PMAQI
29th Jul 20266910 PMAQI
29th Jul 20266011 PMAQI
30th Jul 20266212 AMAQI
30th Jul 2026641 AMAQI
30th Jul 2026672 AMAQI
30th Jul 2026523 AMAQI
30th Jul 2026544 AMAQI
20°C13/28°C
30th Jul 2026525 AMAQI
30th Jul 2026636 AMAQI
30th Jul 2026727 AMAQI
30th Jul 2026688 AMAQI
30th Jul 2026659 AMAQI
30th Jul 20266910 AMAQI
30th Jul 20266711 AMAQI
30th Jul 20267012 PMAQI
30th Jul 2026681 PMAQI
30th Jul 2026652 PMAQI
30th Jul 2026673 PMAQI
30th Jul 2026684 PMAQI
30th Jul 2026625 PMAQI
30th Jul 2026706 PMAQI
30th Jul 2026677 PMAQI
30th Jul 2026638 PMAQI
30th Jul 2026579 PMAQI
30th Jul 20265810 PMAQI
30th Jul 20265411 PMAQI
31st Jul 20265412 AMAQI
31st Jul 2026491 AMAQI
31st Jul 2026522 AMAQI
31st Jul 2026543 AMAQI
31st Jul 2026634 AMAQI
20°C12/29°C
31st Jul 2026665 AMAQI
31st Jul 2026646 AMAQI
31st Jul 2026627 AMAQI
31st Jul 2026688 AMAQI
31st Jul 2026649 AMAQI
31st Jul 20265210 AMAQI
31st Jul 20266511 AMAQI
31st Jul 20267612 PMAQI
31st Jul 2026421 PMAQI
31st Jul 2026552 PMAQI
31st Jul 2026593 PMAQI
31st Jul 2026604 PMAQI
31st Jul 2026575 PMAQI
31st Jul 2026606 PMAQI
31st Jul 2026647 PMAQI
31st Jul 2026588 PMAQI
31st Jul 2026469 PMAQI
31st Jul 20265010 PMAQI
31st Jul 20264611 PMAQI
1st Aug 20265412 AMAQI
1st Aug 2026661 AMAQI
1st Aug 2026622 AMAQI
1st Aug 2026503 AMAQI
1st Aug 2026564 AMAQI
22°C14/32°C
1st Aug 2026685 AMAQI
1st Aug 2026646 AMAQI
1st Aug 2026737 AMAQI
1st Aug 2026668 AMAQI
1st Aug 2026719 AMAQI
1st Aug 20267410 AMAQI
1st Aug 20266811 AMAQI
1st Aug 20266612 PMAQI
1st Aug 2026691 PMAQI
1st Aug 2026542 PMAQI
1st Aug 2026423 PMAQI
1st Aug 2026194 PMAQI
1st Aug 2026225 PMAQI
1st Aug 2026286 PMAQI
1st Aug 2026227 PMAQI
1st Aug 2026208 PMAQI
1st Aug 2026189 PMAQI
1st Aug 20261610 PMAQI
1st Aug 20261811 PMAQI
2nd Aug 20265412 AMAQI
2nd Aug 2026561 AMAQI
2nd Aug 2026592 AMAQI
2nd Aug 2026503 AMAQI
2nd Aug 2026464 AMAQI
19°C15/23°C
2nd Aug 2026425 AMAQI
2nd Aug 2026206 AMAQI
2nd Aug 2026547 AMAQI
2nd Aug 2026648 AMAQI
2nd Aug 2026669 AMAQI
2nd Aug 20267410 AMAQI
2nd Aug 20267011 AMAQI
2nd Aug 20266612 PMAQI
2nd Aug 2026601 PMAQI
2nd Aug 2026542 PMAQI
2nd Aug 2026543 PMAQI
2nd Aug 2026544 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026276 PMAQI
2nd Aug 2026207 PMAQI
2nd Aug 2026348 PMAQI
2nd Aug 2026579 PMAQI
2nd Aug 20266610 PMAQI
2nd Aug 20265811 PMAQI
3rd Aug 20266312 AMAQI
3rd Aug 2026661 AMAQI
3rd Aug 2026702 AMAQI
3rd Aug 2026503 AMAQI
3rd Aug 2026584 AMAQI
18°C11/25°C
3rd Aug 2026555 AMAQI
3rd Aug 2026556 AMAQI
3rd Aug 2026547 AMAQI
3rd Aug 2026588 AMAQI
3rd Aug 2026509 AMAQI
3rd Aug 20265210 AMAQI
3rd Aug 20266011 AMAQI
3rd Aug 20266612 PMAQI
3rd Aug 2026481 PMAQI
3rd Aug 2026532 PMAQI
3rd Aug 2026643 PMAQI
3rd Aug 2026644 PMAQI
3rd Aug 2026725 PMAQI
3rd Aug 2026686 PMAQI
3rd Aug 2026677 PMAQI
3rd Aug 2026708 PMAQI
3rd Aug 2026699 PMAQI
3rd Aug 20266510 PMAQI
3rd Aug 20266711 PMAQI
4th Aug 20266612 AMAQI
4th Aug 2026731 AMAQI
4th Aug 2026722 AMAQI
4th Aug 2026743 AMAQI
4th Aug 2026724 AMAQI
20°C12/30°C
4th Aug 2026665 AMAQI
4th Aug 2026736 AMAQI
4th Aug 2026817 AMAQI
4th Aug 2026768 AMAQI
4th Aug 2026829 AMAQI
4th Aug 20267510 AMAQI
4th Aug 20267111 AMAQI
4th Aug 20267012 PMAQI
4th Aug 2026801 PMAQI
4th Aug 2026682 PMAQI
4th Aug 2026683 PMAQI
4th Aug 2026584 PMAQI
4th Aug 2026725 PMAQI
4th Aug 2026766 PMAQI
4th Aug 2026727 PMAQI
4th Aug 2026728 PMAQI
4th Aug 2026639 PMAQI
4th Aug 20266610 PMAQI
4th Aug 20266811 PMAQI
5th Aug 20266612 AMAQI
5th Aug 2026691 AMAQI
5th Aug 2026742 AMAQI
5th Aug 2026743 AMAQI
5th Aug 2026764 AMAQI
24°C14/35°C
5th Aug 2026745 AMAQI
5 AM5th Aug 2026706 AMAQI
5th Aug 2026677 AMAQI
5th Aug 2026718 AMAQI
5th Aug 2026729 AMAQI
5th Aug 20267410 AMAQI
5th Aug 20267211 AMAQI
5th Aug 20267112 PMAQI
12 PM5th Aug 2026741 PMAQI
5th Aug 2026732 PMAQI
5th Aug 2026813 PMAQI
5th Aug 2026784 PMAQI
5th Aug 2026855 PMAQI
5th Aug 2026786 PMAQI
5th Aug 2026767 PMAQI
5th Aug 2026748 PMAQI
8 PM5th Aug 2026679 PMAQI
5th Aug 20266410 PMAQI
5th Aug 20266411 PMAQI
12 AM
4 AM
25°C15/35°C
Day time
Avg. Highest Time
11 AM
54AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM
45AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 54), while the lowest AQI was between 6 PM to 6 PM (Avg. 45).
Night time
Avg. Highest Time
1 AM - 2 AM
47AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM
43AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 2 AM (Avg. 47), while the lowest AQI was between 12 AM to 12 AM (Avg. 43).
2026 Days Vs Air Quality
Ridgefield, Washington, United States
2026
88%
188
12%
25
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Good
188 DaysModerate
25 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2026, 88% of 217 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
Ridgefield, 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
34AQI (US)
34AQI (US)
2nd January 2026
21AQI (US)
21AQI (US)
3rd January 2026
22AQI (US)
22AQI (US)
4th January 2026
11AQI (US)
11AQI (US)
5th January 2026
21AQI (US)
21AQI (US)
6th January 2026
24AQI (US)
24AQI (US)
7th January 2026
9AQI (US)
9AQI (US)
8th January 2026
14AQI (US)
14AQI (US)
9th January 2026
14AQI (US)
14AQI (US)
10th January 2026
25AQI (US)
25AQI (US)
11th January 2026
31AQI (US)
31AQI (US)
12th January 2026
23AQI (US)
23AQI (US)
13th January 2026
35AQI (US)
35AQI (US)
14th January 2026
26AQI (US)
26AQI (US)
15th January 2026
27AQI (US)
27AQI (US)
16th January 2026
18AQI (US)
18AQI (US)
17th January 2026
19AQI (US)
19AQI (US)
18th January 2026
22AQI (US)
22AQI (US)
19th January 2026
18AQI (US)
18AQI (US)
20th January 2026
25AQI (US)
25AQI (US)
21st January 2026
26AQI (US)
26AQI (US)
22nd January 2026
49AQI (US)
49AQI (US)
23rd January 2026
54AQI (US)
54AQI (US)
24th January 2026
48AQI (US)
48AQI (US)
25th January 2026
47AQI (US)
47AQI (US)
26th January 2026
47AQI (US)
47AQI (US)
27th January 2026
45AQI (US)
45AQI (US)
28th January 2026
47AQI (US)
47AQI (US)
29th January 2026
52AQI (US)
52AQI (US)
30th January 2026
48AQI (US)
48AQI (US)
31st January 2026
45AQI (US)
45AQI (US)
1st February 2026
49AQI (US)
49AQI (US)
2nd February 2026
50AQI (US)
50AQI (US)
3rd February 2026
49AQI (US)
49AQI (US)
4th February 2026
48AQI (US)
48AQI (US)
5th February 2026
48AQI (US)
48AQI (US)
6th February 2026
41AQI (US)
41AQI (US)
7th February 2026
42AQI (US)
42AQI (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
47AQI (US)
47AQI (US)
12th February 2026
47AQI (US)
47AQI (US)
13th February 2026
54AQI (US)
54AQI (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
47AQI (US)
47AQI (US)
18th February 2026
42AQI (US)
42AQI (US)
19th February 2026
43AQI (US)
43AQI (US)
20th February 2026
43AQI (US)
43AQI (US)
21st February 2026
38AQI (US)
38AQI (US)
22nd February 2026
38AQI (US)
38AQI (US)
23rd February 2026
40AQI (US)
40AQI (US)
24th February 2026
44AQI (US)
44AQI (US)
25th February 2026
40AQI (US)
40AQI (US)
26th February 2026
35AQI (US)
35AQI (US)
27th February 2026
34AQI (US)
34AQI (US)
28th February 2026
39AQI (US)
39AQI (US)
1st March 2026
43AQI (US)
43AQI (US)
2nd March 2026
54AQI (US)
54AQI (US)
3rd March 2026
46AQI (US)
46AQI (US)
4th March 2026
45AQI (US)
45AQI (US)
5th March 2026
43AQI (US)
43AQI (US)
6th March 2026
38AQI (US)
38AQI (US)
7th March 2026
41AQI (US)
41AQI (US)
8th March 2026
40AQI (US)
40AQI (US)
9th March 2026
41AQI (US)
41AQI (US)
10th March 2026
35AQI (US)
35AQI (US)
11th March 2026
42AQI (US)
42AQI (US)
12th March 2026
41AQI (US)
41AQI (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
36AQI (US)
36AQI (US)
22nd March 2026
36AQI (US)
36AQI (US)
23rd March 2026
40AQI (US)
40AQI (US)
24th March 2026
40AQI (US)
40AQI (US)
25th March 2026
35AQI (US)
35AQI (US)
26th March 2026
35AQI (US)
35AQI (US)
27th March 2026
35AQI (US)
35AQI (US)
28th March 2026
36AQI (US)
36AQI (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
34AQI (US)
34AQI (US)
2nd April 2026
35AQI (US)
35AQI (US)
3rd April 2026
29AQI (US)
29AQI (US)
4th April 2026
28AQI (US)
28AQI (US)
5th April 2026
28AQI (US)
28AQI (US)
6th April 2026
26AQI (US)
26AQI (US)
7th April 2026
28AQI (US)
28AQI (US)
8th April 2026
32AQI (US)
32AQI (US)
9th April 2026
29AQI (US)
29AQI (US)
10th April 2026
33AQI (US)
33AQI (US)
11th April 2026
34AQI (US)
34AQI (US)
12th April 2026
30AQI (US)
30AQI (US)
13th April 2026
34AQI (US)
34AQI (US)
14th April 2026
38AQI (US)
38AQI (US)
15th April 2026
34AQI (US)
34AQI (US)
16th April 2026
32AQI (US)
32AQI (US)
17th April 2026
18th April 2026
33AQI (US)
33AQI (US)
19th April 2026
34AQI (US)
34AQI (US)
20th April 2026
31AQI (US)
31AQI (US)
21st April 2026
29AQI (US)
29AQI (US)
22nd April 2026
23rd April 2026
27AQI (US)
27AQI (US)
24th April 2026
31AQI (US)
31AQI (US)
25th April 2026
33AQI (US)
33AQI (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
27AQI (US)
27AQI (US)
1st May 2026
28AQI (US)
28AQI (US)
2nd May 2026
27AQI (US)
27AQI (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
32AQI (US)
32AQI (US)
7th May 2026
29AQI (US)
29AQI (US)
8th May 2026
28AQI (US)
28AQI (US)
9th May 2026
10th May 2026
34AQI (US)
34AQI (US)
11th May 2026
31AQI (US)
31AQI (US)
12th May 2026
29AQI (US)
29AQI (US)
13th May 2026
30AQI (US)
30AQI (US)
14th May 2026
26AQI (US)
26AQI (US)
15th May 2026
43AQI (US)
43AQI (US)
16th May 2026
51AQI (US)
51AQI (US)
17th May 2026
58AQI (US)
58AQI (US)
18th May 2026
52AQI (US)
52AQI (US)
19th May 2026
52AQI (US)
52AQI (US)
20th May 2026
44AQI (US)
44AQI (US)
21st May 2026
38AQI (US)
38AQI (US)
22nd May 2026
48AQI (US)
48AQI (US)
23rd May 2026
48AQI (US)
48AQI (US)
24th May 2026
39AQI (US)
39AQI (US)
25th May 2026
41AQI (US)
41AQI (US)
26th May 2026
27AQI (US)
27AQI (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
29AQI (US)
29AQI (US)
4th June 2026
25AQI (US)
25AQI (US)
5th June 2026
27AQI (US)
27AQI (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
27AQI (US)
27AQI (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
28AQI (US)
28AQI (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
22AQI (US)
22AQI (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
30AQI (US)
30AQI (US)
28th June 2026
27AQI (US)
27AQI (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
25AQI (US)
25AQI (US)
6th July 2026
28AQI (US)
28AQI (US)
7th July 2026
30AQI (US)
30AQI (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
27AQI (US)
27AQI (US)
16th July 2026
29AQI (US)
29AQI (US)
17th July 2026
53AQI (US)
53AQI (US)
18th July 2026
60AQI (US)
60AQI (US)
19th July 2026
55AQI (US)
55AQI (US)
20th July 2026
59AQI (US)
59AQI (US)
21st July 2026
56AQI (US)
56AQI (US)
22nd July 2026
53AQI (US)
53AQI (US)
23rd July 2026
46AQI (US)
46AQI (US)
24th July 2026
59AQI (US)
59AQI (US)
25th July 2026
59AQI (US)
59AQI (US)
26th July 2026
59AQI (US)
59AQI (US)
27th July 2026
61AQI (US)
61AQI (US)
28th July 2026
57AQI (US)
57AQI (US)
29th July 2026
53AQI (US)
53AQI (US)
30th July 2026
64AQI (US)
64AQI (US)
31st July 2026
58AQI (US)
58AQI (US)
1st August 2026
49AQI (US)
49AQI (US)
2nd August 2026
52AQI (US)
52AQI (US)
3rd August 2026
61AQI (US)
61AQI (US)
4th August 2026
71AQI (US)
71AQI (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)
44AQI (US)
38AQI (US)
31AQI (US)
35AQI (US)
26AQI (US)
42AQI (US)
58AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
29
2
27
1
30
1
28
26
4
30
17
14
1
3
188
25
Highest AQI (US) recorded in
August58AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202525AQI (US)
29
2
28
31
30
31
30
31
30
1
30
26
5
27
3
31
354
11
Highest AQI (US) recorded in
October36AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
202422AQI (US)
31
29
31
30
31
30
31
31
28
2
31
27
3
31
361
5
Highest AQI (US) recorded in
November28AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
202324AQI (US)
31
28
31
30
31
30
30
1
26
4
1
30
31
26
3
31
355
8
1
Highest AQI (US) recorded in
August35AQI (US)
Lowest AQI (US) recorded in
April14AQI (US)
202229AQI (US)
28
1
21
1
31
17
31
30
21
2
26
4
16
11
3
1
23
7
28
3
274
27
3
1
Highest AQI (US) recorded in
October56AQI (US)
Lowest AQI (US) recorded in
April18AQI (US)
202123AQI (US)
29
28
31
30
31
28
2
31
30
1
30
31
28
2
31
358
5
Highest AQI (US) recorded in
June27AQI (US)
Lowest AQI (US) recorded in
February18AQI (US)
202031AQI (US)
4
19
1
18
30
31
31
19
3
2
6
27
3
28
2
30
1
237
10
2
6
Highest AQI (US) recorded in
September85AQI (US)
Lowest AQI (US) recorded in
March12AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2026(Avg.)
36AQI (US)Least Polluted Year Recorded
2024(Avg.)
22AQI (US)Ridgefield's annual 2026 AQI (US) (36) shows an average percentage change of 42.4% (worsened AQI (US)) compared to previous years: 2020 (31), 2021 (23), 2022 (29), 2023 (24), 2024 (22), 2025 (25).
