Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Custer, 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+

July Air Quality Analysis

Custer, Washington, United States

2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
26th Jul 2026
92AQI
Lowest AQI recorded on
2nd Jul 2026
12AQI

Same Day Analysis (29th July):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 44 of Good air quality on the same day.

Day & Night AQI Trend: 29th Jul - 30th Jul 2026

Custer, Washington, United States

AQI
Day
Night
.

5 AM29th Jul 2026

9 PM

4 AM30th Jul 2026

Day time
Avg. Highest Time
11AM29th Jul

54AQI

Avg. Lowest Time
6PM29th Jul

21AQI

Night time
Avg. Highest Time
4AM30th Jul

60AQI

Avg. Lowest Time
12AM30th Jul

42AQI

In the last 24 hours,

Custer's AQI reached its highest point of 60 at 4 AM during the Night, while the lowest point, 21, was recorded at 6 PM during the Day between 29th Jul and 30th Jul 2026.

Day & Night AQI Trend : Jul 2026

Custer, Washington, United States

Jul
01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th
Day
Night
1st Jul 2026265 AMAQI
1st Jul 2026266 AMAQI
1st Jul 2026307 AMAQI
1st Jul 2026318 AMAQI
1st Jul 2026299 AMAQI
1st Jul 20262810 AMAQI
1st Jul 20261011 AMAQI
1st Jul 20261112 PMAQI
1st Jul 2026111 PMAQI
1st Jul 2026102 PMAQI
1st Jul 2026123 PMAQI
1st Jul 2026114 PMAQI
1st Jul 2026105 PMAQI
1st Jul 2026106 PMAQI
1st Jul 2026107 PMAQI
1st Jul 2026108 PMAQI
1st Jul 2026109 PMAQI
1st Jul 2026910 PMAQI
1st Jul 20261011 PMAQI
2nd Jul 20261012 AMAQI
2nd Jul 2026121 AMAQI
2nd Jul 2026112 AMAQI
2nd Jul 2026103 AMAQI
2nd Jul 202694 AMAQI

16°C12/22°C

2nd Jul 202685 AMAQI
2nd Jul 2026126 AMAQI
2nd Jul 2026127 AMAQI
2nd Jul 2026108 AMAQI
2nd Jul 2026109 AMAQI
2nd Jul 2026910 AMAQI
2nd Jul 2026911 AMAQI
2nd Jul 20261012 PMAQI
2nd Jul 202691 PMAQI
2nd Jul 2026102 PMAQI
2nd Jul 202683 PMAQI
2nd Jul 202694 PMAQI
2nd Jul 202685 PMAQI
2nd Jul 202686 PMAQI
2nd Jul 202697 PMAQI
2nd Jul 202688 PMAQI
2nd Jul 2026199 PMAQI
2nd Jul 20263010 PMAQI
2nd Jul 20263111 PMAQI
3rd Jul 20262712 AMAQI
3rd Jul 2026301 AMAQI
3rd Jul 2026282 AMAQI
3rd Jul 2026293 AMAQI
3rd Jul 2026304 AMAQI

15°C11/20°C

3rd Jul 2026285 AMAQI
3rd Jul 2026306 AMAQI
3rd Jul 2026287 AMAQI
3rd Jul 2026308 AMAQI
3rd Jul 2026309 AMAQI
3rd Jul 20263010 AMAQI
3rd Jul 20263011 AMAQI
3rd Jul 20262712 PMAQI
3rd Jul 2026281 PMAQI
3rd Jul 2026292 PMAQI
3rd Jul 2026283 PMAQI
3rd Jul 2026274 PMAQI
3rd Jul 2026285 PMAQI
3rd Jul 2026276 PMAQI
3rd Jul 2026267 PMAQI
3rd Jul 2026268 PMAQI
3rd Jul 2026269 PMAQI
3rd Jul 20262810 PMAQI
3rd Jul 20262911 PMAQI
4th Jul 20262812 AMAQI
4th Jul 2026281 AMAQI
4th Jul 2026282 AMAQI
4th Jul 2026283 AMAQI
4th Jul 202684 AMAQI

17°C14/23°C

4th Jul 202685 AMAQI
4th Jul 2026266 AMAQI
4th Jul 2026297 AMAQI
4th Jul 2026288 AMAQI
4th Jul 2026309 AMAQI
4th Jul 20262510 AMAQI
4th Jul 20262611 AMAQI
4th Jul 20262412 PMAQI
4th Jul 2026261 PMAQI
4th Jul 2026252 PMAQI
4th Jul 2026243 PMAQI
4th Jul 2026244 PMAQI
4th Jul 2026215 PMAQI
4th Jul 2026206 PMAQI
4th Jul 2026197 PMAQI
4th Jul 2026208 PMAQI
4th Jul 2026229 PMAQI
4th Jul 20262510 PMAQI
4th Jul 20261911 PMAQI
5th Jul 20262012 AMAQI
5th Jul 2026181 AMAQI
5th Jul 2026142 AMAQI
5th Jul 2026123 AMAQI
5th Jul 2026154 AMAQI

17°C12/22°C

5th Jul 2026175 AMAQI
5th Jul 2026186 AMAQI
5th Jul 2026187 AMAQI
5th Jul 2026188 AMAQI
5th Jul 2026179 AMAQI
5th Jul 20261610 AMAQI
5th Jul 20261611 AMAQI
5th Jul 20261412 PMAQI
5th Jul 2026141 PMAQI
5th Jul 2026142 PMAQI
5th Jul 2026133 PMAQI
5th Jul 2026134 PMAQI
5th Jul 2026125 PMAQI
5th Jul 2026126 PMAQI
5th Jul 2026127 PMAQI
5th Jul 2026128 PMAQI
5th Jul 2026129 PMAQI
5th Jul 20261210 PMAQI
5th Jul 20261211 PMAQI
6th Jul 20261212 AMAQI
6th Jul 2026181 AMAQI
6th Jul 2026112 AMAQI
6th Jul 2026103 AMAQI
6th Jul 2026114 AMAQI

18°C10/26°C

6th Jul 2026125 AMAQI
6th Jul 2026126 AMAQI
6th Jul 2026147 AMAQI
6th Jul 2026148 AMAQI
6th Jul 2026189 AMAQI
6th Jul 20262010 AMAQI
6th Jul 20262511 AMAQI
6th Jul 20262812 PMAQI
6th Jul 2026261 PMAQI
6th Jul 2026262 PMAQI
6th Jul 2026283 PMAQI
6th Jul 2026284 PMAQI
6th Jul 2026275 PMAQI
6th Jul 2026246 PMAQI
6th Jul 2026227 PMAQI
6th Jul 2026208 PMAQI
6th Jul 2026229 PMAQI
6th Jul 20262210 PMAQI
6th Jul 20261811 PMAQI
7th Jul 20261812 AMAQI
7th Jul 2026161 AMAQI
7th Jul 2026162 AMAQI
7th Jul 2026183 AMAQI
7th Jul 2026184 AMAQI

21°C12/31°C

7th Jul 2026185 AMAQI
7th Jul 2026146 AMAQI
7th Jul 2026147 AMAQI
7th Jul 2026128 AMAQI
7th Jul 2026129 AMAQI
7th Jul 20261810 AMAQI
7th Jul 20261111 AMAQI
7th Jul 20261412 PMAQI
7th Jul 2026101 PMAQI
7th Jul 2026122 PMAQI
7th Jul 2026123 PMAQI
7th Jul 2026114 PMAQI
7th Jul 2026115 PMAQI
7th Jul 2026106 PMAQI
7th Jul 202687 PMAQI
7th Jul 2026268 PMAQI
7th Jul 2026289 PMAQI
7th Jul 20262810 PMAQI
7th Jul 2026911 PMAQI
8th Jul 20262912 AMAQI
8th Jul 202681 AMAQI
8th Jul 202682 AMAQI
8th Jul 202683 AMAQI
8th Jul 202684 AMAQI

20°C12/27°C

8th Jul 2026255 AMAQI
8th Jul 2026246 AMAQI
8th Jul 2026307 AMAQI
8th Jul 2026328 AMAQI
8th Jul 2026329 AMAQI
8th Jul 20263310 AMAQI
8th Jul 20263011 AMAQI
8th Jul 20263012 PMAQI
8th Jul 2026281 PMAQI
8th Jul 2026302 PMAQI
8th Jul 2026303 PMAQI
8th Jul 2026304 PMAQI
8th Jul 2026265 PMAQI
8th Jul 2026266 PMAQI
8th Jul 2026247 PMAQI
8th Jul 2026248 PMAQI
8th Jul 2026229 PMAQI
8th Jul 20262510 PMAQI
8th Jul 20262811 PMAQI
9th Jul 20261412 AMAQI
9th Jul 2026141 AMAQI
9th Jul 2026102 AMAQI
9th Jul 2026103 AMAQI
9th Jul 2026104 AMAQI

18°C14/25°C

9th Jul 202695 AMAQI
9th Jul 2026106 AMAQI
9th Jul 202687 AMAQI
9th Jul 202688 AMAQI
9th Jul 2026189 AMAQI
9th Jul 20261910 AMAQI
9th Jul 20261411 AMAQI
9th Jul 20261112 PMAQI
9th Jul 2026101 PMAQI
9th Jul 202682 PMAQI
9th Jul 2026303 PMAQI
9th Jul 2026324 PMAQI
9th Jul 2026325 PMAQI
9th Jul 2026316 PMAQI
9th Jul 2026307 PMAQI
9th Jul 2026308 PMAQI
9th Jul 2026289 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20261611 PMAQI
10th Jul 20261412 AMAQI
10th Jul 2026141 AMAQI
10th Jul 2026162 AMAQI
10th Jul 2026103 AMAQI
10th Jul 202684 AMAQI

19°C11/26°C

10th Jul 202685 AMAQI
10th Jul 2026106 AMAQI
10th Jul 2026347 AMAQI
10th Jul 2026368 AMAQI
10th Jul 2026109 AMAQI
10th Jul 20261010 AMAQI
10th Jul 20261211 AMAQI
10th Jul 20261012 PMAQI
10th Jul 2026101 PMAQI
10th Jul 202682 PMAQI
10th Jul 2026343 PMAQI
10th Jul 2026354 PMAQI
10th Jul 2026385 PMAQI
10th Jul 2026396 PMAQI
10th Jul 2026167 PMAQI
10th Jul 2026138 PMAQI
10th Jul 2026129 PMAQI
10th Jul 20262610 PMAQI
10th Jul 20262411 PMAQI
11th Jul 20262812 AMAQI
11th Jul 202681 AMAQI
11th Jul 2026312 AMAQI
11th Jul 2026303 AMAQI
11th Jul 2026284 AMAQI

19°C13/26°C

11th Jul 2026305 AMAQI
11th Jul 2026346 AMAQI
11th Jul 2026347 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026369 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20263411 AMAQI
11th Jul 20263212 PMAQI
11th Jul 2026321 PMAQI
11th Jul 2026312 PMAQI
11th Jul 2026313 PMAQI
11th Jul 2026324 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026346 PMAQI
11th Jul 2026307 PMAQI
11th Jul 2026298 PMAQI
11th Jul 2026189 PMAQI
11th Jul 20261810 PMAQI
11th Jul 20261411 PMAQI
12th Jul 20261212 AMAQI
12th Jul 2026101 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026313 AMAQI
12th Jul 2026284 AMAQI

18°C14/24°C

12th Jul 2026315 AMAQI
12th Jul 2026306 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026328 AMAQI
12th Jul 2026319 AMAQI
12th Jul 20263210 AMAQI
12th Jul 20263011 AMAQI
12th Jul 20263012 PMAQI
12th Jul 2026311 PMAQI
12th Jul 2026302 PMAQI
12th Jul 2026293 PMAQI
12th Jul 2026304 PMAQI
12th Jul 2026315 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026298 PMAQI
12th Jul 2026249 PMAQI
12th Jul 20261210 PMAQI
12th Jul 2026911 PMAQI
13th Jul 2026812 AMAQI
13th Jul 2026321 AMAQI
13th Jul 2026342 AMAQI
13th Jul 2026323 AMAQI
13th Jul 202684 AMAQI

18°C14/25°C

13th Jul 2026115 AMAQI
13th Jul 2026166 AMAQI
13th Jul 2026187 AMAQI
13th Jul 2026148 AMAQI
13th Jul 2026109 AMAQI
13th Jul 20261110 AMAQI
13th Jul 20261111 AMAQI
13th Jul 20261012 PMAQI
13th Jul 2026101 PMAQI
13th Jul 2026122 PMAQI
13th Jul 2026123 PMAQI
13th Jul 2026124 PMAQI
13th Jul 2026165 PMAQI
13th Jul 2026146 PMAQI
13th Jul 2026147 PMAQI
13th Jul 2026128 PMAQI
13th Jul 2026149 PMAQI
13th Jul 20261910 PMAQI
13th Jul 20261511 PMAQI
14th Jul 20261212 AMAQI
14th Jul 2026101 AMAQI
14th Jul 2026112 AMAQI
14th Jul 2026103 AMAQI
14th Jul 202684 AMAQI

19°C10/28°C

14th Jul 202685 AMAQI
14th Jul 2026106 AMAQI
14th Jul 2026167 AMAQI
14th Jul 2026168 AMAQI
14th Jul 2026169 AMAQI
14th Jul 20261210 AMAQI
14th Jul 20261111 AMAQI
14th Jul 20261012 PMAQI
14th Jul 2026101 PMAQI
14th Jul 2026102 PMAQI
14th Jul 2026113 PMAQI
14th Jul 2026124 PMAQI
14th Jul 2026125 PMAQI
14th Jul 2026126 PMAQI
14th Jul 2026137 PMAQI
14th Jul 2026148 PMAQI
14th Jul 2026149 PMAQI
14th Jul 20261610 PMAQI
14th Jul 20261611 PMAQI
15th Jul 20261612 AMAQI
15th Jul 2026141 AMAQI
15th Jul 2026172 AMAQI
15th Jul 2026173 AMAQI
15th Jul 2026184 AMAQI

21°C12/31°C

15th Jul 2026165 AMAQI
15th Jul 2026196 AMAQI
15th Jul 2026177 AMAQI
15th Jul 2026198 AMAQI
15th Jul 2026199 AMAQI
15th Jul 20262010 AMAQI
15th Jul 20261911 AMAQI
15th Jul 20261812 PMAQI
15th Jul 2026171 PMAQI
15th Jul 2026162 PMAQI
15th Jul 2026173 PMAQI
15th Jul 2026164 PMAQI
15th Jul 2026165 PMAQI
15th Jul 2026166 PMAQI
15th Jul 2026177 PMAQI
15th Jul 2026178 PMAQI
15th Jul 2026169 PMAQI
15th Jul 20261710 PMAQI
15th Jul 20261411 PMAQI
16th Jul 20261712 AMAQI
16th Jul 2026181 AMAQI
16th Jul 2026182 AMAQI
16th Jul 2026163 AMAQI
16th Jul 2026174 AMAQI

22°C13/32°C

16th Jul 2026165 AMAQI
16th Jul 2026156 AMAQI
16th Jul 2026167 AMAQI
16th Jul 2026168 AMAQI
16th Jul 2026169 AMAQI
16th Jul 20261610 AMAQI
16th Jul 20261611 AMAQI
16th Jul 20261812 PMAQI
16th Jul 2026181 PMAQI
16th Jul 2026182 PMAQI
16th Jul 2026193 PMAQI
16th Jul 2026184 PMAQI
16th Jul 2026165 PMAQI
16th Jul 2026126 PMAQI
16th Jul 2026127 PMAQI
16th Jul 2026148 PMAQI
16th Jul 2026129 PMAQI
16th Jul 20261010 PMAQI
16th Jul 20261211 PMAQI
17th Jul 20261812 AMAQI
17th Jul 2026191 AMAQI
17th Jul 2026422 AMAQI
17th Jul 2026563 AMAQI
17th Jul 2026474 AMAQI

19°C14/27°C

17th Jul 2026485 AMAQI
17th Jul 2026406 AMAQI
17th Jul 2026407 AMAQI
17th Jul 2026388 AMAQI
17th Jul 2026409 AMAQI
17th Jul 20263210 AMAQI
17th Jul 20263811 AMAQI
17th Jul 20262112 PMAQI
17th Jul 2026361 PMAQI
17th Jul 2026502 PMAQI
17th Jul 2026503 PMAQI
17th Jul 2026464 PMAQI
17th Jul 2026485 PMAQI
17th Jul 2026566 PMAQI
17th Jul 2026517 PMAQI
17th Jul 2026278 PMAQI
17th Jul 2026429 PMAQI
17th Jul 20265810 PMAQI
17th Jul 20264811 PMAQI
18th Jul 20263212 AMAQI
18th Jul 2026521 AMAQI
18th Jul 2026442 AMAQI
18th Jul 2026423 AMAQI
18th Jul 2026444 AMAQI

18°C15/23°C

18th Jul 2026425 AMAQI
18th Jul 2026466 AMAQI
18th Jul 2026247 AMAQI
18th Jul 2026108 AMAQI
18th Jul 202699 AMAQI
18th Jul 20263610 AMAQI
18th Jul 20262411 AMAQI
18th Jul 20262712 PMAQI
18th Jul 2026641 PMAQI
18th Jul 2026622 PMAQI
18th Jul 2026603 PMAQI
18th Jul 2026524 PMAQI
18th Jul 2026295 PMAQI
18th Jul 2026386 PMAQI
18th Jul 2026327 PMAQI
18th Jul 2026188 PMAQI
18th Jul 2026169 PMAQI
18th Jul 20262310 PMAQI
18th Jul 20261011 PMAQI
19th Jul 20261512 AMAQI
19th Jul 2026161 AMAQI
19th Jul 2026462 AMAQI
19th Jul 2026383 AMAQI
19th Jul 2026464 AMAQI

18°C12/26°C

19th Jul 2026445 AMAQI
19th Jul 2026346 AMAQI
19th Jul 2026447 AMAQI
19th Jul 2026468 AMAQI
19th Jul 2026189 AMAQI
19th Jul 2026910 AMAQI
19th Jul 20261011 AMAQI
19th Jul 20261012 PMAQI
19th Jul 2026301 PMAQI
19th Jul 2026402 PMAQI
19th Jul 2026363 PMAQI
19th Jul 2026474 PMAQI
19th Jul 2026325 PMAQI
19th Jul 2026386 PMAQI
19th Jul 2026567 PMAQI
19th Jul 2026508 PMAQI
19th Jul 2026489 PMAQI
19th Jul 20265210 PMAQI
19th Jul 20264911 PMAQI
20th Jul 20265212 AMAQI
20th Jul 2026421 AMAQI
20th Jul 2026422 AMAQI
20th Jul 2026493 AMAQI
20th Jul 2026504 AMAQI

19°C12/28°C

20th Jul 2026465 AMAQI
20th Jul 2026486 AMAQI
20th Jul 2026487 AMAQI
20th Jul 2026518 AMAQI
20th Jul 2026509 AMAQI
20th Jul 20265210 AMAQI
20th Jul 20266011 AMAQI
20th Jul 20264412 PMAQI
20th Jul 2026521 PMAQI
20th Jul 2026542 PMAQI
20th Jul 2026573 PMAQI
20th Jul 2026564 PMAQI
20th Jul 2026545 PMAQI
20th Jul 2026586 PMAQI
20th Jul 2026547 PMAQI
20th Jul 2026539 PMAQI
20th Jul 20265210 PMAQI
20th Jul 20265211 PMAQI
21st Jul 20265312 AMAQI
21st Jul 2026511 AMAQI
21st Jul 2026522 AMAQI
21st Jul 2026533 AMAQI
21st Jul 2026544 AMAQI

24°C13/37°C

21st Jul 2026535 AMAQI
21st Jul 2026546 AMAQI
21st Jul 2026567 AMAQI
21st Jul 2026548 AMAQI
21st Jul 2026529 AMAQI
21st Jul 20265110 AMAQI
21st Jul 20265211 AMAQI
21st Jul 20265512 PMAQI
21st Jul 2026571 PMAQI
21st Jul 2026602 PMAQI
21st Jul 2026593 PMAQI
21st Jul 2026624 PMAQI
21st Jul 2026705 PMAQI
21st Jul 2026696 PMAQI
21st Jul 2026677 PMAQI
21st Jul 2026698 PMAQI
21st Jul 2026689 PMAQI
21st Jul 20267610 PMAQI
21st Jul 20267111 PMAQI
22nd Jul 20266912 AMAQI
22nd Jul 2026731 AMAQI
22nd Jul 2026712 AMAQI
22nd Jul 2026693 AMAQI
22nd Jul 2026734 AMAQI

26°C16/37°C

22nd Jul 2026695 AMAQI
22nd Jul 2026686 AMAQI
22nd Jul 2026687 AMAQI
22nd Jul 2026708 AMAQI
22nd Jul 2026689 AMAQI
22nd Jul 20266810 AMAQI
22nd Jul 20267011 AMAQI
22nd Jul 20267012 PMAQI
22nd Jul 2026691 PMAQI
22nd Jul 2026742 PMAQI
22nd Jul 2026723 PMAQI
22nd Jul 2026764 PMAQI
22nd Jul 2026705 PMAQI
22nd Jul 2026736 PMAQI
22nd Jul 2026707 PMAQI
22nd Jul 2026688 PMAQI
22nd Jul 2026679 PMAQI
22nd Jul 20266810 PMAQI
22nd Jul 20266611 PMAQI
23rd Jul 20266712 AMAQI
23rd Jul 2026651 AMAQI
23rd Jul 2026672 AMAQI
23rd Jul 2026643 AMAQI
23rd Jul 2026654 AMAQI

27°C17/38°C

23rd Jul 2026655 AMAQI
23rd Jul 2026686 AMAQI
23rd Jul 2026667 AMAQI
23rd Jul 2026608 AMAQI
23rd Jul 2026579 AMAQI
23rd Jul 20264610 AMAQI
23rd Jul 20264811 AMAQI
23rd Jul 20264612 PMAQI
23rd Jul 2026441 PMAQI
23rd Jul 2026252 PMAQI
23rd Jul 2026253 PMAQI
23rd Jul 2026484 PMAQI
23rd Jul 2026315 PMAQI
23rd Jul 2026276 PMAQI
23rd Jul 2026467 PMAQI
23rd Jul 2026468 PMAQI
23rd Jul 20261009 PMAQI
23rd Jul 202613510 PMAQI
23rd Jul 202615411 PMAQI
24th Jul 20263412 AMAQI
24th Jul 2026401 AMAQI
24th Jul 2026622 AMAQI
24th Jul 2026923 AMAQI
24th Jul 2026824 AMAQI

24°C19/29°C

24th Jul 2026855 AMAQI
24th Jul 2026926 AMAQI
24th Jul 2026557 AMAQI
24th Jul 20261048 AMAQI
24th Jul 2026409 AMAQI
24th Jul 20263810 AMAQI
24th Jul 20266611 AMAQI
24th Jul 20265512 PMAQI
24th Jul 2026461 PMAQI
24th Jul 2026402 PMAQI
24th Jul 2026543 PMAQI
24th Jul 2026684 PMAQI
24th Jul 2026365 PMAQI
24th Jul 2026296 PMAQI
24th Jul 2026237 PMAQI
24th Jul 2026238 PMAQI
24th Jul 2026409 PMAQI
24th Jul 20264410 PMAQI
24th Jul 20266311 PMAQI
25th Jul 20265612 AMAQI
25th Jul 2026631 AMAQI
25th Jul 2026522 AMAQI
25th Jul 2026463 AMAQI
25th Jul 2026504 AMAQI

21°C14/29°C

25th Jul 2026525 AMAQI
25th Jul 2026656 AMAQI
25th Jul 2026567 AMAQI
25th Jul 2026568 AMAQI
25th Jul 2026569 AMAQI
25th Jul 20266210 AMAQI
25th Jul 20265611 AMAQI
25th Jul 20266412 PMAQI
25th Jul 2026641 PMAQI
25th Jul 20261062 PMAQI
25th Jul 2026363 PMAQI
25th Jul 2026384 PMAQI
25th Jul 2026365 PMAQI
25th Jul 2026366 PMAQI
25th Jul 2026387 PMAQI
25th Jul 20261028 PMAQI
25th Jul 20261689 PMAQI
25th Jul 202617810 PMAQI
25th Jul 202615511 PMAQI
26th Jul 20262712 AMAQI
26th Jul 20262071 AMAQI
26th Jul 20261242 AMAQI
26th Jul 20261043 AMAQI
26th Jul 2026444 AMAQI

19°C14/24°C

26th Jul 20261265 AMAQI
26th Jul 2026646 AMAQI
26th Jul 20262007 AMAQI
26th Jul 2026648 AMAQI
26th Jul 20261729 AMAQI
26th Jul 20268110 AMAQI
26th Jul 202615211 AMAQI
26th Jul 20266012 PMAQI
26th Jul 2026401 PMAQI
26th Jul 2026602 PMAQI
26th Jul 2026803 PMAQI
26th Jul 2026524 PMAQI
26th Jul 2026575 PMAQI
26th Jul 2026666 PMAQI
26th Jul 2026897 PMAQI
26th Jul 2026628 PMAQI
26th Jul 2026749 PMAQI
26th Jul 202610610 PMAQI
26th Jul 202610411 PMAQI
27th Jul 20266412 AMAQI
27th Jul 2026601 AMAQI
27th Jul 20261082 AMAQI
27th Jul 2026683 AMAQI
27th Jul 2026444 AMAQI

17°C15/21°C

27th Jul 2026685 AMAQI
27th Jul 2026636 AMAQI
27th Jul 2026627 AMAQI
27th Jul 2026568 AMAQI
27th Jul 2026389 AMAQI
27th Jul 202610410 AMAQI
27th Jul 202616211 AMAQI
27th Jul 202612712 PMAQI
27th Jul 20261871 PMAQI
27th Jul 20261812 PMAQI
27th Jul 20261783 PMAQI
27th Jul 20261084 PMAQI
27th Jul 2026425 PMAQI
27th Jul 2026486 PMAQI
27th Jul 2026567 PMAQI
27th Jul 2026388 PMAQI
27th Jul 2026549 PMAQI
27th Jul 20264410 PMAQI
27th Jul 20264011 PMAQI
28th Jul 20264412 AMAQI
28th Jul 2026551 AMAQI
28th Jul 2026522 AMAQI
28th Jul 2026583 AMAQI
28th Jul 2026584 AMAQI

19°C14/26°C

28th Jul 2026645 AMAQI
28th Jul 2026506 AMAQI
28th Jul 2026767 AMAQI
28th Jul 2026828 AMAQI
28th Jul 2026909 AMAQI
28th Jul 20267610 AMAQI
28th Jul 20267011 AMAQI
28th Jul 20266712 PMAQI
28th Jul 2026711 PMAQI
28th Jul 2026662 PMAQI
28th Jul 2026603 PMAQI
28th Jul 2026634 PMAQI
28th Jul 2026625 PMAQI
28th Jul 2026506 PMAQI
28th Jul 2026477 PMAQI
28th Jul 2026718 PMAQI
28th Jul 2026439 PMAQI
28th Jul 20263810 PMAQI
28th Jul 20264611 PMAQI
29th Jul 20264412 AMAQI
29th Jul 2026541 AMAQI
29th Jul 2026462 AMAQI
29th Jul 2026423 AMAQI
29th Jul 2026384 AMAQI

18°C14/23°C

29th Jul 2026505 AMAQI
29th Jul 2026506 AMAQI
29th Jul 2026487 AMAQI
29th Jul 2026468 AMAQI
29th Jul 2026539 AMAQI
29th Jul 20264210 AMAQI
29th Jul 20265411 AMAQI
29th Jul 20265312 PMAQI
29th Jul 2026481 PMAQI
29th Jul 2026502 PMAQI
29th Jul 2026513 PMAQI
29th Jul 2026314 PMAQI
29th Jul 2026445 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026307 PMAQI
29th Jul 2026388 PMAQI
29th Jul 2026449 PMAQI
29th Jul 20264210 PMAQI
29th Jul 20264411 PMAQI
30th Jul 20264212 AMAQI
30th Jul 2026521 AMAQI
30th Jul 2026482 AMAQI
30th Jul 2026503 AMAQI
30th Jul 2026604 AMAQI

18°C11/28°C

30th Jul 2026585 AMAQI
5 AM
30th Jul 2026786 AMAQI
30th Jul 20261397 AMAQI
30th Jul 2026978 AMAQI
30th Jul 2026739 AMAQI
30th Jul 20267410 AMAQI
30th Jul 20267911 AMAQI
30th Jul 20265412 PMAQI
30th Jul 2026581 PMAQI
1 PM
30th Jul 2026582 PMAQI
30th Jul 2026503 PMAQI
30th Jul 2026234 PMAQI
30th Jul 2026325 PMAQI
30th Jul 2026646 PMAQI
30th Jul 2026907 PMAQI
30th Jul 2026728 PMAQI
30th Jul 2026969 PMAQI
9 PM
30th Jul 20268310 PMAQI
30th Jul 20268911 PMAQI
1 AM
4 AM

19°C12/27°C

Day time
Avg. Highest Time
7 AM

44AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
5 PM - 6 PM

33AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 7 AM (Avg. 44), while the lowest AQI was between 5 PM to 6 PM (Avg. 33).
Night time
Avg. Highest Time
10 PM

44AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM

30AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 10 PM (Avg. 44), while the lowest AQI was between 12 AM to 12 AM (Avg. 30).

2026 Days Vs Air Quality

Custer, Washington, United States

2026

93%

193

7%

14

Total number of days with different AQI categories in last 211 days in 2026 (154 days remaining)

Good
193 Days
Moderate
14 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 93%

Health Risk Level:

Very Low

In 2026, 93% of 211 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

Custer, 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
48AQI (US)
2nd January 2026
43AQI (US)
3rd January 2026
15AQI (US)
4th January 2026
16AQI (US)
5th January 2026
18AQI (US)
6th January 2026
11AQI (US)
7th January 2026
14AQI (US)
8th January 2026
17AQI (US)
9th January 2026
17AQI (US)
10th January 2026
15AQI (US)
11th January 2026
18AQI (US)
12th January 2026
14AQI (US)
13th January 2026
16AQI (US)
14th January 2026
19AQI (US)
15th January 2026
20AQI (US)
16th January 2026
17AQI (US)
17th January 2026
31AQI (US)
18th January 2026
42AQI (US)
19th January 2026
40AQI (US)
20th January 2026
40AQI (US)
21st January 2026
29AQI (US)
22nd January 2026
33AQI (US)
23rd January 2026
37AQI (US)
24th January 2026
34AQI (US)
25th January 2026
26AQI (US)
26th January 2026
26AQI (US)
27th January 2026
20AQI (US)
28th January 2026
20AQI (US)
29th January 2026
47AQI (US)
30th January 2026
44AQI (US)
31st January 2026
45AQI (US)
1st February 2026
51AQI (US)
2nd February 2026
41AQI (US)
3rd February 2026
44AQI (US)
4th February 2026
29AQI (US)
5th February 2026
29AQI (US)
6th February 2026
28AQI (US)
7th February 2026
25AQI (US)
8th February 2026
33AQI (US)
9th February 2026
27AQI (US)
10th February 2026
31AQI (US)
11th February 2026
25AQI (US)
12th February 2026
20AQI (US)
13th February 2026
29AQI (US)
14th February 2026
37AQI (US)
15th February 2026
31AQI (US)
16th February 2026
36AQI (US)
17th February 2026
39AQI (US)
18th February 2026
32AQI (US)
19th February 2026
32AQI (US)
20th February 2026
28AQI (US)
21st February 2026
25AQI (US)
22nd February 2026
30AQI (US)
23rd February 2026
32AQI (US)
24th February 2026
31AQI (US)
25th February 2026
36AQI (US)
26th February 2026
34AQI (US)
27th February 2026
20AQI (US)
28th February 2026
20AQI (US)
1st March 2026
26AQI (US)
2nd March 2026
30AQI (US)
3rd March 2026
26AQI (US)
4th March 2026
39AQI (US)
5th March 2026
36AQI (US)
6th March 2026
36AQI (US)
7th March 2026
43AQI (US)
8th March 2026
42AQI (US)
9th March 2026
37AQI (US)
10th March 2026
32AQI (US)
11th March 2026
41AQI (US)
12th March 2026
42AQI (US)
13th March 2026
36AQI (US)
14th March 2026
26AQI (US)
15th March 2026
34AQI (US)
16th March 2026
34AQI (US)
17th March 2026
36AQI (US)
18th March 2026
32AQI (US)
19th March 2026
32AQI (US)
20th March 2026
40AQI (US)
21st March 2026
38AQI (US)
22nd March 2026
33AQI (US)
23rd March 2026
18AQI (US)
24th March 2026
30AQI (US)
25th March 2026
28AQI (US)
26th March 2026
33AQI (US)
27th March 2026
24AQI (US)
28th March 2026
19AQI (US)
29th March 2026
26AQI (US)
30th March 2026
27AQI (US)
31st March 2026
21AQI (US)
1st April 2026
31AQI (US)
2nd April 2026
35AQI (US)
3rd April 2026
23AQI (US)
4th April 2026
29AQI (US)
5th April 2026
22AQI (US)
6th April 2026
22AQI (US)
7th April 2026
21AQI (US)
8th April 2026
19AQI (US)
9th April 2026
21AQI (US)
10th April 2026
22AQI (US)
11th April 2026
25AQI (US)
12th April 2026
18AQI (US)
13th April 2026
34AQI (US)
14th April 2026
37AQI (US)
15th April 2026
34AQI (US)
16th April 2026
23AQI (US)
17th April 2026
18th April 2026
21AQI (US)
19th April 2026
15AQI (US)
20th April 2026
15AQI (US)
21st April 2026
17AQI (US)
22nd April 2026
23rd April 2026
19AQI (US)
24th April 2026
18AQI (US)
25th April 2026
17AQI (US)
26th April 2026
19AQI (US)
27th April 2026
19AQI (US)
28th April 2026
16AQI (US)
29th April 2026
17AQI (US)
30th April 2026
22AQI (US)
1st May 2026
22AQI (US)
2nd May 2026
19AQI (US)
3rd May 2026
23AQI (US)
4th May 2026
25AQI (US)
5th May 2026
25AQI (US)
6th May 2026
16AQI (US)
7th May 2026
14AQI (US)
8th May 2026
20AQI (US)
9th May 2026
10th May 2026
29AQI (US)
11th May 2026
21AQI (US)
12th May 2026
23AQI (US)
13th May 2026
16AQI (US)
14th May 2026
26AQI (US)
15th May 2026
40AQI (US)
16th May 2026
51AQI (US)
17th May 2026
54AQI (US)
18th May 2026
56AQI (US)
19th May 2026
55AQI (US)
20th May 2026
42AQI (US)
21st May 2026
38AQI (US)
22nd May 2026
37AQI (US)
23rd May 2026
37AQI (US)
24th May 2026
39AQI (US)
25th May 2026
41AQI (US)
26th May 2026
22AQI (US)
27th May 2026
12AQI (US)
28th May 2026
13AQI (US)
29th May 2026
13AQI (US)
30th May 2026
12AQI (US)
31st May 2026
14AQI (US)
1st June 2026
20AQI (US)
2nd June 2026
14AQI (US)
3rd June 2026
15AQI (US)
4th June 2026
23AQI (US)
5th June 2026
23AQI (US)
6th June 2026
23AQI (US)
7th June 2026
23AQI (US)
8th June 2026
17AQI (US)
9th June 2026
24AQI (US)
10th June 2026
27AQI (US)
11th June 2026
18AQI (US)
12th June 2026
22AQI (US)
13th June 2026
13AQI (US)
14th June 2026
13AQI (US)
15th June 2026
19AQI (US)
16th June 2026
15AQI (US)
17th June 2026
14AQI (US)
18th June 2026
16AQI (US)
19th June 2026
14AQI (US)
20th June 2026
14AQI (US)
21st June 2026
18AQI (US)
22nd June 2026
17AQI (US)
23rd June 2026
19AQI (US)
24th June 2026
18AQI (US)
25th June 2026
18AQI (US)
26th June 2026
26AQI (US)
27th June 2026
29AQI (US)
28th June 2026
27AQI (US)
29th June 2026
21AQI (US)
30th June 2026
16AQI (US)
1st July 2026
15AQI (US)
2nd July 2026
12AQI (US)
3rd July 2026
28AQI (US)
4th July 2026
23AQI (US)
5th July 2026
15AQI (US)
6th July 2026
20AQI (US)
7th July 2026
15AQI (US)
8th July 2026
25AQI (US)
9th July 2026
18AQI (US)
10th July 2026
19AQI (US)
11th July 2026
29AQI (US)
12th July 2026
27AQI (US)
13th July 2026
15AQI (US)
14th July 2026
12AQI (US)
15th July 2026
17AQI (US)
16th July 2026
16AQI (US)
17th July 2026
41AQI (US)
18th July 2026
35AQI (US)
19th July 2026
36AQI (US)
20th July 2026
51AQI (US)
21st July 2026
59AQI (US)
22nd July 2026
70AQI (US)
23rd July 2026
61AQI (US)
24th July 2026
55AQI (US)
25th July 2026
70AQI (US)
26th July 2026
92AQI (US)
27th July 2026
83AQI (US)
28th July 2026
61AQI (US)
29th July 2026
44AQI (US)
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
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

27AQI (US)

31AQI (US)

32AQI (US)

23AQI (US)

29AQI (US)

19AQI (US)

37AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202628AQI (US)

31
27
1
31
28
26
4
30
20
9
193
14

Highest AQI (US) recorded in

July

37AQI (US)

Lowest AQI (US) recorded in

June

19AQI (US)

202529AQI (US)

6
30
31
30
31
28
3
27
3
27
4
30
29
2
269
12

Highest AQI (US) recorded in

September

34AQI (US)

Lowest AQI (US) recorded in

March

21AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2025(Avg.)
29AQI (US)
Least Polluted Year Recorded
2026(Avg.)
28AQI (US)

Custer's annual 2026 AQI (US) (28) shows an average percentage change of -3.4% (improved AQI (US)) compared to previous years: 2025 (29).