Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Pendleton, 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+

July Air Quality Analysis

Pendleton, Oregon, United States

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
21st Jul 2026
114AQI
Lowest AQI recorded on
17th Jul 2023
8AQI

Same Day Analysis (21st July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 114 of Poor air quality on the same day.

Day & Night AQI Trend: 20th Jul - 21st Jul 2026

Pendleton, Oregon, United States

AQI
Day
Night
.

5 AM20th Jul 2026

8 PM

4 AM21st Jul 2026

Day time
Avg. Highest Time
3PM20th Jul

152AQI

Avg. Lowest Time
5AM20th Jul

48AQI

Night time
Avg. Highest Time
1AM21st Jul

112AQI

Avg. Lowest Time
4AM21st Jul

101AQI

In the last 24 hours,

Pendleton's AQI reached its highest point of 152 at 3 PM during the Day, while the lowest point, 48, was recorded at 5 AM during the Day between 20th Jul and 21st Jul 2026.

Day & Night AQI Trend : Jun - Jul 2026

Pendleton, Oregon, United States

JunJul
22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st
Day
Night
22nd Jun 2026165 AMAQI
22nd Jun 2026146 AMAQI
22nd Jun 2026257 AMAQI
22nd Jun 2026348 AMAQI
22nd Jun 2026349 AMAQI
22nd Jun 20263010 AMAQI
22nd Jun 20262911 AMAQI
22nd Jun 20262712 PMAQI
22nd Jun 2026211 PMAQI
22nd Jun 2026202 PMAQI
22nd Jun 2026223 PMAQI
22nd Jun 2026214 PMAQI
22nd Jun 2026205 PMAQI
22nd Jun 2026186 PMAQI
22nd Jun 2026187 PMAQI
22nd Jun 2026248 PMAQI
22nd Jun 2026269 PMAQI
22nd Jun 20263610 PMAQI
22nd Jun 20265411 PMAQI
23rd Jun 20265812 AMAQI
23rd Jun 2026541 AMAQI
23rd Jun 2026562 AMAQI
23rd Jun 2026513 AMAQI
23rd Jun 2026484 AMAQI

24°C12/33°C

23rd Jun 2026445 AMAQI
23rd Jun 2026366 AMAQI
23rd Jun 2026387 AMAQI
23rd Jun 2026408 AMAQI
23rd Jun 2026369 AMAQI
23rd Jun 20264010 AMAQI
23rd Jun 20264011 AMAQI
23rd Jun 20264112 PMAQI
23rd Jun 2026361 PMAQI
23rd Jun 2026302 PMAQI
23rd Jun 2026263 PMAQI
23rd Jun 2026204 PMAQI
23rd Jun 2026205 PMAQI
23rd Jun 2026206 PMAQI
23rd Jun 2026247 PMAQI
23rd Jun 2026288 PMAQI
23rd Jun 2026299 PMAQI
23rd Jun 20263210 PMAQI
23rd Jun 20263611 PMAQI
24th Jun 20263212 AMAQI
24th Jun 2026361 AMAQI
24th Jun 2026362 AMAQI
24th Jun 2026323 AMAQI
24th Jun 2026284 AMAQI

26°C13/35°C

24th Jun 2026215 AMAQI
24th Jun 2026206 AMAQI
24th Jun 2026247 AMAQI
24th Jun 2026348 AMAQI
24th Jun 2026389 AMAQI
24th Jun 20264210 AMAQI
24th Jun 20263811 AMAQI
24th Jun 20263612 PMAQI
24th Jun 2026341 PMAQI
24th Jun 2026282 PMAQI
24th Jun 2026243 PMAQI
24th Jun 2026204 PMAQI
24th Jun 2026175 PMAQI
24th Jun 2026146 PMAQI
24th Jun 2026137 PMAQI
24th Jun 2026208 PMAQI
24th Jun 2026209 PMAQI
24th Jun 20262310 PMAQI
24th Jun 20262511 PMAQI
25th Jun 20263212 AMAQI
25th Jun 2026381 AMAQI
25th Jun 2026362 AMAQI
25th Jun 2026363 AMAQI
25th Jun 2026324 AMAQI

26°C14/35°C

25th Jun 2026305 AMAQI
25th Jun 2026286 AMAQI
25th Jun 2026267 AMAQI
25th Jun 2026308 AMAQI
25th Jun 2026329 AMAQI
25th Jun 20263210 AMAQI
25th Jun 20263011 AMAQI
25th Jun 20262812 PMAQI
25th Jun 2026241 PMAQI
25th Jun 2026242 PMAQI
25th Jun 2026263 PMAQI
25th Jun 2026344 PMAQI
25th Jun 2026365 PMAQI
25th Jun 2026426 PMAQI
25th Jun 2026467 PMAQI
25th Jun 2026538 PMAQI
25th Jun 2026509 PMAQI
25th Jun 20264210 PMAQI
25th Jun 20263111 PMAQI
26th Jun 20262412 AMAQI
26th Jun 2026221 AMAQI
26th Jun 2026202 AMAQI
26th Jun 2026163 AMAQI
26th Jun 2026144 AMAQI

25°C17/33°C

26th Jun 2026125 AMAQI
26th Jun 2026106 AMAQI
26th Jun 2026267 AMAQI
26th Jun 2026108 AMAQI
26th Jun 2026389 AMAQI
26th Jun 20265410 AMAQI
26th Jun 20265611 AMAQI
26th Jun 20264712 PMAQI
26th Jun 2026331 PMAQI
26th Jun 2026502 PMAQI
26th Jun 2026743 PMAQI
26th Jun 2026574 PMAQI
26th Jun 2026725 PMAQI
26th Jun 2026666 PMAQI
26th Jun 2026627 PMAQI
26th Jun 2026498 PMAQI
26th Jun 2026429 PMAQI
26th Jun 20262210 PMAQI
26th Jun 20261611 PMAQI
27th Jun 20261212 AMAQI
27th Jun 2026141 AMAQI
27th Jun 2026112 AMAQI
27th Jun 2026303 AMAQI
27th Jun 2026384 AMAQI

18°C14/24°C

27th Jun 2026205 AMAQI
27th Jun 2026256 AMAQI
27th Jun 2026347 AMAQI
27th Jun 2026308 AMAQI
27th Jun 2026349 AMAQI
27th Jun 20263010 AMAQI
27th Jun 20263011 AMAQI
27th Jun 20263112 PMAQI
27th Jun 2026301 PMAQI
27th Jun 2026362 PMAQI
27th Jun 2026283 PMAQI
27th Jun 2026304 PMAQI
27th Jun 2026285 PMAQI
27th Jun 2026136 PMAQI
27th Jun 2026267 PMAQI
27th Jun 2026148 PMAQI
27th Jun 2026149 PMAQI
27th Jun 20261410 PMAQI
27th Jun 2026911 PMAQI
28th Jun 20261412 AMAQI
28th Jun 2026141 AMAQI
28th Jun 2026112 AMAQI
28th Jun 2026273 AMAQI
28th Jun 2026284 AMAQI

17°C12/22°C

28th Jun 2026285 AMAQI
28th Jun 2026286 AMAQI
28th Jun 2026287 AMAQI
28th Jun 2026288 AMAQI
28th Jun 2026289 AMAQI
28th Jun 20262610 AMAQI
28th Jun 20262711 AMAQI
28th Jun 20262812 PMAQI
28th Jun 2026281 PMAQI
28th Jun 2026262 PMAQI
28th Jun 2026263 PMAQI
28th Jun 2026284 PMAQI
28th Jun 2026255 PMAQI
28th Jun 2026226 PMAQI
28th Jun 2026607 PMAQI
28th Jun 2026628 PMAQI
28th Jun 2026589 PMAQI
28th Jun 20265010 PMAQI
28th Jun 20264211 PMAQI
29th Jun 20264212 AMAQI
29th Jun 2026281 AMAQI
29th Jun 2026192 AMAQI
29th Jun 2026133 AMAQI
29th Jun 2026104 AMAQI

18°C12/26°C

29th Jun 2026245 AMAQI
29th Jun 2026246 AMAQI
29th Jun 2026267 AMAQI
29th Jun 2026288 AMAQI
29th Jun 2026289 AMAQI
29th Jun 20262610 AMAQI
29th Jun 20261911 AMAQI
29th Jun 20262012 PMAQI
29th Jun 2026241 PMAQI
29th Jun 2026262 PMAQI
29th Jun 2026513 PMAQI
29th Jun 2026424 PMAQI
29th Jun 2026525 PMAQI
29th Jun 2026366 PMAQI
29th Jun 2026307 PMAQI
29th Jun 2026248 PMAQI
29th Jun 2026249 PMAQI
29th Jun 20264210 PMAQI
29th Jun 20264411 PMAQI
30th Jun 20263412 AMAQI
30th Jun 2026321 AMAQI
30th Jun 2026202 AMAQI
30th Jun 2026123 AMAQI
30th Jun 202684 AMAQI

19°C13/28°C

30th Jun 202695 AMAQI
30th Jun 2026266 AMAQI
30th Jun 2026287 AMAQI
30th Jun 2026148 AMAQI
30th Jun 2026129 AMAQI
30th Jun 20261210 AMAQI
30th Jun 20261411 AMAQI
30th Jun 20261112 PMAQI
30th Jun 2026101 PMAQI
30th Jun 202692 PMAQI
30th Jun 202683 PMAQI
30th Jun 202684 PMAQI
30th Jun 2026105 PMAQI
30th Jun 2026126 PMAQI
30th Jun 2026107 PMAQI
30th Jun 2026148 PMAQI
30th Jun 2026179 PMAQI
30th Jun 20263210 PMAQI
30th Jun 20263011 PMAQI
1st Jul 20262412 AMAQI
1st Jul 2026241 AMAQI
1st Jul 2026182 AMAQI
1st Jul 2026143 AMAQI
1st Jul 2026114 AMAQI

19°C12/28°C

1st Jul 2026105 AMAQI
1st Jul 2026146 AMAQI
1st Jul 2026147 AMAQI
1st Jul 2026188 AMAQI
1st Jul 2026149 AMAQI
1st Jul 20261610 AMAQI
1st Jul 20261411 AMAQI
1st Jul 20261412 PMAQI
1st Jul 2026101 PMAQI
1st Jul 2026102 PMAQI
1st Jul 2026123 PMAQI
1st Jul 2026144 PMAQI
1st Jul 2026125 PMAQI
1st Jul 2026126 PMAQI
1st Jul 2026127 PMAQI
1st Jul 2026168 PMAQI
1st Jul 2026169 PMAQI
1st Jul 20261810 PMAQI
1st Jul 20262011 PMAQI
2nd Jul 20261712 AMAQI
2nd Jul 2026171 AMAQI
2nd Jul 2026142 AMAQI
2nd Jul 2026123 AMAQI
2nd Jul 2026114 AMAQI

18°C10/27°C

2nd Jul 2026125 AMAQI
2nd Jul 202696 AMAQI
2nd Jul 2026127 AMAQI
2nd Jul 2026128 AMAQI
2nd Jul 2026129 AMAQI
2nd Jul 20261010 AMAQI
2nd Jul 20261211 AMAQI
2nd Jul 20262512 PMAQI
2nd Jul 2026141 PMAQI
2nd Jul 2026182 PMAQI
2nd Jul 2026173 PMAQI
2nd Jul 2026154 PMAQI
2nd Jul 2026165 PMAQI
2nd Jul 2026126 PMAQI
2nd Jul 2026117 PMAQI
2nd Jul 2026138 PMAQI
2nd Jul 2026159 PMAQI
2nd Jul 20262210 PMAQI
2nd Jul 20263211 PMAQI
3rd Jul 20264812 AMAQI
3rd Jul 2026501 AMAQI
3rd Jul 2026442 AMAQI
3rd Jul 2026243 AMAQI
3rd Jul 2026224 AMAQI

20°C10/28°C

3rd Jul 2026185 AMAQI
3rd Jul 2026136 AMAQI
3rd Jul 2026107 AMAQI
3rd Jul 2026108 AMAQI
3rd Jul 2026259 AMAQI
3rd Jul 20263910 AMAQI
3rd Jul 20262211 AMAQI
3rd Jul 20261812 PMAQI
3rd Jul 2026121 PMAQI
3rd Jul 2026102 PMAQI
3rd Jul 202693 PMAQI
3rd Jul 2026124 PMAQI
3rd Jul 2026195 PMAQI
3rd Jul 2026106 PMAQI
3rd Jul 202687 PMAQI
3rd Jul 2026288 PMAQI
3rd Jul 2026269 PMAQI
3rd Jul 2026910 PMAQI
3rd Jul 20261711 PMAQI
4th Jul 20263812 AMAQI
4th Jul 2026421 AMAQI
4th Jul 2026422 AMAQI
4th Jul 2026213 AMAQI
4th Jul 2026164 AMAQI

23°C13/31°C

4th Jul 2026165 AMAQI
4th Jul 2026146 AMAQI
4th Jul 2026137 AMAQI
4th Jul 2026128 AMAQI
4th Jul 2026109 AMAQI
4th Jul 20262410 AMAQI
4th Jul 20262611 AMAQI
4th Jul 20262512 PMAQI
4th Jul 2026261 PMAQI
4th Jul 2026262 PMAQI
4th Jul 2026263 PMAQI
4th Jul 2026224 PMAQI
4th Jul 2026205 PMAQI
4th Jul 2026216 PMAQI
4th Jul 2026197 PMAQI
4th Jul 2026198 PMAQI
4th Jul 2026199 PMAQI
4th Jul 20261410 PMAQI
4th Jul 20261611 PMAQI
5th Jul 20265412 AMAQI
5th Jul 2026551 AMAQI
5th Jul 2026362 AMAQI
5th Jul 2026263 AMAQI
5th Jul 2026144 AMAQI

25°C14/33°C

5th Jul 2026145 AMAQI
5th Jul 2026146 AMAQI
5th Jul 2026147 AMAQI
5th Jul 2026128 AMAQI
5th Jul 2026109 AMAQI
5th Jul 20261010 AMAQI
5th Jul 20261011 AMAQI
5th Jul 20261012 PMAQI
5th Jul 2026121 PMAQI
5th Jul 2026102 PMAQI
5th Jul 2026283 PMAQI
5th Jul 2026264 PMAQI
5th Jul 2026225 PMAQI
5th Jul 2026236 PMAQI
5th Jul 2026207 PMAQI
5th Jul 202698 PMAQI
5th Jul 202689 PMAQI
5th Jul 20261210 PMAQI
5th Jul 20261911 PMAQI
6th Jul 20262812 AMAQI
6th Jul 2026321 AMAQI
6th Jul 2026322 AMAQI
6th Jul 2026323 AMAQI
6th Jul 2026304 AMAQI

25°C16/34°C

6th Jul 2026285 AMAQI
6th Jul 2026246 AMAQI
6th Jul 2026247 AMAQI
6th Jul 2026308 AMAQI
6th Jul 2026349 AMAQI
6th Jul 20263410 AMAQI
6th Jul 20263311 AMAQI
6th Jul 20262812 PMAQI
6th Jul 2026301 PMAQI
6th Jul 2026282 PMAQI
6th Jul 2026263 PMAQI
6th Jul 2026204 PMAQI
6th Jul 2026185 PMAQI
6th Jul 2026156 PMAQI
6th Jul 2026307 PMAQI
6th Jul 2026268 PMAQI
6th Jul 2026289 PMAQI
6th Jul 20262610 PMAQI
6th Jul 20262611 PMAQI
7th Jul 20262312 AMAQI
7th Jul 2026301 AMAQI
7th Jul 2026262 AMAQI
7th Jul 2026213 AMAQI
7th Jul 2026184 AMAQI

24°C13/33°C

7th Jul 2026225 AMAQI
7th Jul 2026216 AMAQI
7th Jul 2026287 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026269 AMAQI
7th Jul 20263710 AMAQI
7th Jul 20263411 AMAQI
7th Jul 20262512 PMAQI
7th Jul 2026221 PMAQI
7th Jul 2026222 PMAQI
7th Jul 2026203 PMAQI
7th Jul 2026164 PMAQI
7th Jul 2026145 PMAQI
7th Jul 2026126 PMAQI
7th Jul 2026147 PMAQI
7th Jul 2026148 PMAQI
7th Jul 2026149 PMAQI
7th Jul 20262210 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20262612 AMAQI
8th Jul 2026261 AMAQI
8th Jul 2026242 AMAQI
8th Jul 2026243 AMAQI
8th Jul 2026264 AMAQI

28°C15/38°C

8th Jul 2026225 AMAQI
8th Jul 2026186 AMAQI
8th Jul 2026187 AMAQI
8th Jul 2026188 AMAQI
8th Jul 2026169 AMAQI
8th Jul 20261610 AMAQI
8th Jul 20261711 AMAQI
8th Jul 20262012 PMAQI
8th Jul 2026201 PMAQI
8th Jul 2026222 PMAQI
8th Jul 2026303 PMAQI
8th Jul 2026264 PMAQI
8th Jul 2026225 PMAQI
8th Jul 2026186 PMAQI
8th Jul 2026147 PMAQI
8th Jul 2026108 PMAQI
8th Jul 2026129 PMAQI
8th Jul 20261610 PMAQI
8th Jul 20262011 PMAQI
9th Jul 20262012 AMAQI
9th Jul 2026181 AMAQI
9th Jul 2026182 AMAQI
9th Jul 2026203 AMAQI
9th Jul 2026204 AMAQI

26°C19/33°C

9th Jul 2026185 AMAQI
9th Jul 2026166 AMAQI
9th Jul 2026167 AMAQI
9th Jul 2026158 AMAQI
9th Jul 2026229 AMAQI
9th Jul 20262010 AMAQI
9th Jul 20261211 AMAQI
9th Jul 2026812 PMAQI
9th Jul 2026301 PMAQI
9th Jul 2026302 PMAQI
9th Jul 2026243 PMAQI
9th Jul 2026204 PMAQI
9th Jul 2026145 PMAQI
9th Jul 2026186 PMAQI
9th Jul 2026167 PMAQI
9th Jul 2026168 PMAQI
9th Jul 2026169 PMAQI
9th Jul 20261610 PMAQI
9th Jul 20261811 PMAQI
10th Jul 20261412 AMAQI
10th Jul 2026141 AMAQI
10th Jul 2026162 AMAQI
10th Jul 2026193 AMAQI
10th Jul 2026164 AMAQI

26°C16/34°C

10th Jul 2026155 AMAQI
10th Jul 2026136 AMAQI
10th Jul 2026127 AMAQI
10th Jul 2026138 AMAQI
10th Jul 2026249 AMAQI
10th Jul 20263210 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262812 PMAQI
10th Jul 2026261 PMAQI
10th Jul 2026232 PMAQI
10th Jul 2026193 PMAQI
10th Jul 2026154 PMAQI
10th Jul 2026165 PMAQI
10th Jul 2026206 PMAQI
10th Jul 2026247 PMAQI
10th Jul 2026178 PMAQI
10th Jul 2026359 PMAQI
10th Jul 20266210 PMAQI
10th Jul 20265011 PMAQI
11th Jul 202614812 AMAQI
11th Jul 20261241 AMAQI
11th Jul 2026682 AMAQI
11th Jul 2026543 AMAQI
11th Jul 2026364 AMAQI

26°C14/34°C

11th Jul 2026245 AMAQI
11th Jul 2026166 AMAQI
11th Jul 2026167 AMAQI
11th Jul 2026148 AMAQI
11th Jul 2026229 AMAQI
11th Jul 20262610 AMAQI
11th Jul 20262011 AMAQI
11th Jul 20262412 PMAQI
11th Jul 2026421 PMAQI
11th Jul 2026442 PMAQI
11th Jul 2026303 PMAQI
11th Jul 2026364 PMAQI
11th Jul 2026425 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026187 PMAQI
11th Jul 2026128 PMAQI
11th Jul 2026109 PMAQI
11th Jul 20261210 PMAQI
11th Jul 20261411 PMAQI
12th Jul 20261212 AMAQI
12th Jul 2026131 AMAQI
12th Jul 202682 AMAQI
12th Jul 2026303 AMAQI
12th Jul 2026304 AMAQI

25°C16/33°C

12th Jul 2026325 AMAQI
12th Jul 2026326 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026328 AMAQI
12th Jul 2026329 AMAQI
12th Jul 20263110 AMAQI
12th Jul 20263211 AMAQI
12th Jul 20262812 PMAQI
12th Jul 2026281 PMAQI
12th Jul 2026282 PMAQI
12th Jul 2026283 PMAQI
12th Jul 2026324 PMAQI
12th Jul 2026295 PMAQI
12th Jul 2026326 PMAQI
12th Jul 2026297 PMAQI
12th Jul 2026108 PMAQI
12th Jul 2026109 PMAQI
12th Jul 20261010 PMAQI
12th Jul 20261011 PMAQI
13th Jul 20261012 AMAQI
13th Jul 202691 AMAQI
13th Jul 2026302 AMAQI
13th Jul 2026103 AMAQI
13th Jul 2026104 AMAQI

23°C17/30°C

13th Jul 2026105 AMAQI
13th Jul 2026236 AMAQI
13th Jul 2026227 AMAQI
13th Jul 2026208 AMAQI
13th Jul 2026229 AMAQI
13th Jul 20261610 AMAQI
13th Jul 20261411 AMAQI
13th Jul 2026912 PMAQI
13th Jul 202681 PMAQI
13th Jul 2026322 PMAQI
13th Jul 2026343 PMAQI
13th Jul 2026284 PMAQI
13th Jul 2026335 PMAQI
13th Jul 2026356 PMAQI
13th Jul 2026227 PMAQI
13th Jul 2026188 PMAQI
13th Jul 2026249 PMAQI
13th Jul 20263710 PMAQI
13th Jul 20263811 PMAQI
14th Jul 20264412 AMAQI
14th Jul 2026441 AMAQI
14th Jul 2026412 AMAQI
14th Jul 2026423 AMAQI
14th Jul 2026364 AMAQI

26°C14/36°C

14th Jul 2026305 AMAQI
14th Jul 2026306 AMAQI
14th Jul 2026327 AMAQI
14th Jul 2026408 AMAQI
14th Jul 2026329 AMAQI
14th Jul 20264210 AMAQI
14th Jul 20263911 AMAQI
14th Jul 20263612 PMAQI
14th Jul 2026301 PMAQI
14th Jul 2026252 PMAQI
14th Jul 2026253 PMAQI
14th Jul 2026284 PMAQI
14th Jul 2026245 PMAQI
14th Jul 2026246 PMAQI
14th Jul 2026247 PMAQI
14th Jul 2026338 PMAQI
14th Jul 2026349 PMAQI
14th Jul 20264010 PMAQI
14th Jul 20263411 PMAQI
15th Jul 20263012 AMAQI
15th Jul 2026261 AMAQI
15th Jul 2026202 AMAQI
15th Jul 2026193 AMAQI
15th Jul 2026164 AMAQI

28°C19/36°C

15th Jul 2026335 AMAQI
15th Jul 2026266 AMAQI
15th Jul 2026277 AMAQI
15th Jul 2026318 AMAQI
15th Jul 2026309 AMAQI
15th Jul 20262910 AMAQI
15th Jul 20262211 AMAQI
15th Jul 20262012 PMAQI
15th Jul 2026241 PMAQI
15th Jul 2026282 PMAQI
15th Jul 2026263 PMAQI
15th Jul 2026324 PMAQI
15th Jul 2026365 PMAQI
15th Jul 2026406 PMAQI
15th Jul 2026367 PMAQI
15th Jul 2026408 PMAQI
15th Jul 2026339 PMAQI
15th Jul 20269210 PMAQI
15th Jul 20268811 PMAQI
16th Jul 20266812 AMAQI
16th Jul 2026561 AMAQI
16th Jul 2026302 AMAQI
16th Jul 2026223 AMAQI
16th Jul 2026244 AMAQI

29°C21/39°C

16th Jul 2026285 AMAQI
16th Jul 2026226 AMAQI
16th Jul 2026227 AMAQI
16th Jul 2026208 AMAQI
16th Jul 2026249 AMAQI
16th Jul 20262410 AMAQI
16th Jul 20262211 AMAQI
16th Jul 20262812 PMAQI
16th Jul 2026321 PMAQI
16th Jul 2026342 PMAQI
16th Jul 2026463 PMAQI
16th Jul 2026514 PMAQI
16th Jul 2026505 PMAQI
16th Jul 2026486 PMAQI
16th Jul 2026437 PMAQI
16th Jul 2026428 PMAQI
16th Jul 2026469 PMAQI
16th Jul 20269810 PMAQI
16th Jul 20268011 PMAQI
17th Jul 20269012 AMAQI
17th Jul 2026881 AMAQI
17th Jul 2026802 AMAQI
17th Jul 20262613 AMAQI
17th Jul 20261864 AMAQI

28°C20/36°C

17th Jul 20261405 AMAQI
17th Jul 20261166 AMAQI
17th Jul 20261027 AMAQI
17th Jul 2026728 AMAQI
17th Jul 2026649 AMAQI
17th Jul 20266810 AMAQI
17th Jul 20266211 AMAQI
17th Jul 20265612 PMAQI
17th Jul 2026821 PMAQI
17th Jul 2026802 PMAQI
17th Jul 2026723 PMAQI
17th Jul 2026654 PMAQI
17th Jul 2026675 PMAQI
17th Jul 2026656 PMAQI
17th Jul 2026787 PMAQI
17th Jul 2026748 PMAQI
17th Jul 2026719 PMAQI
17th Jul 20267710 PMAQI
17th Jul 20265911 PMAQI
18th Jul 20265312 AMAQI
18th Jul 2026501 AMAQI
18th Jul 2026502 AMAQI
18th Jul 2026443 AMAQI
18th Jul 2026484 AMAQI

25°C16/33°C

18th Jul 2026505 AMAQI
18th Jul 2026486 AMAQI
18th Jul 2026507 AMAQI
18th Jul 2026488 AMAQI
18th Jul 2026509 AMAQI
18th Jul 20265010 AMAQI
18th Jul 20264611 AMAQI
18th Jul 20265412 PMAQI
18th Jul 2026421 PMAQI
18th Jul 2026442 PMAQI
18th Jul 2026423 PMAQI
18th Jul 2026404 PMAQI
18th Jul 2026625 PMAQI
18th Jul 2026646 PMAQI
18th Jul 2026387 PMAQI
18th Jul 2026588 PMAQI
18th Jul 2026629 PMAQI
18th Jul 202610510 PMAQI
18th Jul 20268611 PMAQI
19th Jul 20266912 AMAQI
19th Jul 2026621 AMAQI
19th Jul 2026502 AMAQI
19th Jul 2026483 AMAQI
19th Jul 2026404 AMAQI

24°C15/33°C

19th Jul 2026445 AMAQI
19th Jul 2026386 AMAQI
19th Jul 2026367 AMAQI
19th Jul 2026428 AMAQI
19th Jul 2026489 AMAQI
19th Jul 20264410 AMAQI
19th Jul 20264611 AMAQI
19th Jul 20264012 PMAQI
19th Jul 2026411 PMAQI
19th Jul 2026382 PMAQI
19th Jul 2026383 PMAQI
19th Jul 2026444 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026466 PMAQI
19th Jul 2026447 PMAQI
19th Jul 2026508 PMAQI
19th Jul 2026489 PMAQI
19th Jul 20266010 PMAQI
19th Jul 20267011 PMAQI
20th Jul 20266412 AMAQI
20th Jul 2026701 AMAQI
20th Jul 2026642 AMAQI
20th Jul 2026403 AMAQI
20th Jul 2026464 AMAQI

25°C14/34°C

20th Jul 2026485 AMAQI
20th Jul 2026506 AMAQI
20th Jul 2026537 AMAQI
20th Jul 2026638 AMAQI
20th Jul 2026789 AMAQI
20th Jul 202610910 AMAQI
20th Jul 202611511 AMAQI
20th Jul 202613112 PMAQI
20th Jul 20261421 PMAQI
20th Jul 20261502 PMAQI
20th Jul 20261523 PMAQI
20th Jul 20261324 PMAQI
20th Jul 2026985 PMAQI
20th Jul 2026886 PMAQI
20th Jul 2026887 PMAQI
20th Jul 20261049 PMAQI
20th Jul 202610810 PMAQI
20th Jul 202610711 PMAQI
21st Jul 202611012 AMAQI
21st Jul 20261121 AMAQI
21st Jul 20261112 AMAQI
21st Jul 20261033 AMAQI
21st Jul 20261014 AMAQI

24°C18/32°C

21st Jul 20261045 AMAQI
5 AM
21st Jul 20261136 AMAQI
21st Jul 20261217 AMAQI
21st Jul 20261498 AMAQI
21st Jul 20261599 AMAQI
21st Jul 202616410 AMAQI
21st Jul 202616611 AMAQI
21st Jul 202615812 PMAQI
12 PM
21st Jul 20261591 PMAQI
21st Jul 20261422 PMAQI
21st Jul 20261083 PMAQI
21st Jul 2026904 PMAQI
21st Jul 2026865 PMAQI
21st Jul 2026836 PMAQI
21st Jul 2026807 PMAQI
21st Jul 2026848 PMAQI
8 PM
21st Jul 2026829 PMAQI
21st Jul 20268210 PMAQI
21st Jul 20268211 PMAQI
12 AM
4 AM

27°C16/37°C

Day time
Avg. Highest Time
10 AM

38AQI

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

29AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 10 AM (Avg. 38), while the lowest AQI was between 6 AM to 6 AM (Avg. 29).
Night time
Avg. Highest Time
12 AM - 1 AM

42AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
4 AM - 9 PM

33AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 42), while the lowest AQI was between 4 AM to 9 PM (Avg. 33).

2026 Days Vs Air Quality

Pendleton, Oregon, United States

2026

95%

189

5%

9

0.5%

1

Total number of days with different AQI categories in last 202 days in 2026 (163 days remaining)

Good
189 Days
Moderate
9 Days
Poor
1 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 95%

Health Risk Level:

Very Low

In 2026, 95% of 202 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

Pendleton, 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
50AQI (US)
2nd January 2026
41AQI (US)
3rd January 2026
36AQI (US)
4th January 2026
25AQI (US)
5th January 2026
29AQI (US)
6th January 2026
33AQI (US)
7th January 2026
9AQI (US)
8th January 2026
10AQI (US)
9th January 2026
13AQI (US)
10th January 2026
64AQI (US)
11th January 2026
48AQI (US)
12th January 2026
41AQI (US)
13th January 2026
42AQI (US)
14th January 2026
37AQI (US)
15th January 2026
47AQI (US)
16th January 2026
23AQI (US)
17th January 2026
19AQI (US)
18th January 2026
28AQI (US)
19th January 2026
26AQI (US)
20th January 2026
31AQI (US)
21st January 2026
27AQI (US)
22nd January 2026
37AQI (US)
23rd January 2026
38AQI (US)
24th January 2026
34AQI (US)
25th January 2026
37AQI (US)
26th January 2026
37AQI (US)
27th January 2026
27AQI (US)
28th January 2026
31AQI (US)
29th January 2026
37AQI (US)
30th January 2026
49AQI (US)
31st January 2026
28AQI (US)
1st February 2026
42AQI (US)
2nd February 2026
47AQI (US)
3rd February 2026
42AQI (US)
4th February 2026
36AQI (US)
5th February 2026
40AQI (US)
6th February 2026
29AQI (US)
7th February 2026
28AQI (US)
8th February 2026
39AQI (US)
9th February 2026
44AQI (US)
10th February 2026
37AQI (US)
11th February 2026
32AQI (US)
12th February 2026
24AQI (US)
13th February 2026
23AQI (US)
14th February 2026
28AQI (US)
15th February 2026
29AQI (US)
16th February 2026
43AQI (US)
17th February 2026
39AQI (US)
18th February 2026
33AQI (US)
19th February 2026
32AQI (US)
20th February 2026
29AQI (US)
21st February 2026
28AQI (US)
22nd February 2026
34AQI (US)
23rd February 2026
31AQI (US)
24th February 2026
45AQI (US)
25th February 2026
38AQI (US)
26th February 2026
30AQI (US)
27th February 2026
33AQI (US)
28th February 2026
30AQI (US)
1st March 2026
32AQI (US)
2nd March 2026
45AQI (US)
3rd March 2026
28AQI (US)
4th March 2026
40AQI (US)
5th March 2026
37AQI (US)
6th March 2026
28AQI (US)
7th March 2026
37AQI (US)
8th March 2026
52AQI (US)
9th March 2026
30AQI (US)
10th March 2026
32AQI (US)
11th March 2026
39AQI (US)
12th March 2026
48AQI (US)
13th March 2026
41AQI (US)
14th March 2026
34AQI (US)
15th March 2026
28AQI (US)
16th March 2026
21AQI (US)
17th March 2026
26AQI (US)
18th March 2026
32AQI (US)
19th March 2026
26AQI (US)
20th March 2026
39AQI (US)
21st March 2026
35AQI (US)
22nd March 2026
31AQI (US)
23rd March 2026
29AQI (US)
24th March 2026
26AQI (US)
25th March 2026
30AQI (US)
26th March 2026
19AQI (US)
27th March 2026
16AQI (US)
28th March 2026
21AQI (US)
29th March 2026
12AQI (US)
30th March 2026
32AQI (US)
31st March 2026
20AQI (US)
1st April 2026
23AQI (US)
2nd April 2026
25AQI (US)
3rd April 2026
24AQI (US)
4th April 2026
29AQI (US)
5th April 2026
22AQI (US)
6th April 2026
24AQI (US)
7th April 2026
25AQI (US)
8th April 2026
26AQI (US)
9th April 2026
27AQI (US)
10th April 2026
30AQI (US)
11th April 2026
29AQI (US)
12th April 2026
24AQI (US)
13th April 2026
41AQI (US)
14th April 2026
29AQI (US)
15th April 2026
32AQI (US)
16th April 2026
28AQI (US)
17th April 2026
18th April 2026
19AQI (US)
19th April 2026
18AQI (US)
20th April 2026
28AQI (US)
21st April 2026
41AQI (US)
22nd April 2026
23rd April 2026
21AQI (US)
24th April 2026
24AQI (US)
25th April 2026
22AQI (US)
26th April 2026
28AQI (US)
27th April 2026
17AQI (US)
28th April 2026
26AQI (US)
29th April 2026
19AQI (US)
30th April 2026
24AQI (US)
1st May 2026
24AQI (US)
2nd May 2026
23AQI (US)
3rd May 2026
24AQI (US)
4th May 2026
33AQI (US)
5th May 2026
33AQI (US)
6th May 2026
52AQI (US)
7th May 2026
22AQI (US)
8th May 2026
44AQI (US)
9th May 2026
10th May 2026
26AQI (US)
11th May 2026
25AQI (US)
12th May 2026
29AQI (US)
13th May 2026
62AQI (US)
14th May 2026
23AQI (US)
15th May 2026
42AQI (US)
16th May 2026
48AQI (US)
17th May 2026
55AQI (US)
18th May 2026
48AQI (US)
19th May 2026
45AQI (US)
20th May 2026
46AQI (US)
21st May 2026
38AQI (US)
22nd May 2026
40AQI (US)
23rd May 2026
46AQI (US)
24th May 2026
42AQI (US)
25th May 2026
45AQI (US)
26th May 2026
19AQI (US)
27th May 2026
16AQI (US)
28th May 2026
26AQI (US)
29th May 2026
34AQI (US)
30th May 2026
16AQI (US)
31st May 2026
20AQI (US)
1st June 2026
21AQI (US)
2nd June 2026
14AQI (US)
3rd June 2026
24AQI (US)
4th June 2026
16AQI (US)
5th June 2026
28AQI (US)
6th June 2026
17AQI (US)
7th June 2026
21AQI (US)
8th June 2026
22AQI (US)
9th June 2026
42AQI (US)
10th June 2026
26AQI (US)
11th June 2026
20AQI (US)
12th June 2026
24AQI (US)
13th June 2026
14AQI (US)
14th June 2026
18AQI (US)
15th June 2026
26AQI (US)
16th June 2026
52AQI (US)
17th June 2026
26AQI (US)
18th June 2026
21AQI (US)
19th June 2026
30AQI (US)
20th June 2026
34AQI (US)
21st June 2026
17AQI (US)
22nd June 2026
25AQI (US)
23rd June 2026
36AQI (US)
24th June 2026
27AQI (US)
25th June 2026
34AQI (US)
26th June 2026
37AQI (US)
27th June 2026
24AQI (US)
28th June 2026
31AQI (US)
29th June 2026
29AQI (US)
30th June 2026
16AQI (US)
1st July 2026
15AQI (US)
2nd July 2026
15AQI (US)
3rd July 2026
21AQI (US)
4th July 2026
22AQI (US)
5th July 2026
20AQI (US)
6th July 2026
28AQI (US)
7th July 2026
22AQI (US)
8th July 2026
20AQI (US)
9th July 2026
18AQI (US)
10th July 2026
23AQI (US)
11th July 2026
37AQI (US)
12th July 2026
24AQI (US)
13th July 2026
21AQI (US)
14th July 2026
34AQI (US)
15th July 2026
34AQI (US)
16th July 2026
40AQI (US)
17th July 2026
90AQI (US)
18th July 2026
54AQI (US)
19th July 2026
47AQI (US)
20th July 2026
91AQI (US)
21st July 2026
114AQI (US)
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
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

33AQI (US)

34AQI (US)

31AQI (US)

26AQI (US)

35AQI (US)

26AQI (US)

38AQI (US)

No. of days

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

202632AQI (US)

30
1
28
30
1
28
27
3
29
1
17
3
1
189
9
1

Highest AQI (US) recorded in

July

38AQI (US)

Lowest AQI (US) recorded in

June

26AQI (US)

202529AQI (US)

27
4
28
31
30
31
30
31
23
8
15
15
31
25
5
23
8
325
40

Highest AQI (US) recorded in

September

47AQI (US)

Lowest AQI (US) recorded in

May

15AQI (US)

202423AQI (US)

24
7
28
1
31
30
31
29
23
7
23
8
25
5
31
28
2
31
334
30

Highest AQI (US) recorded in

July

36AQI (US)

Lowest AQI (US) recorded in

May

9AQI (US)

202323AQI (US)

31
28
31
30
30
1
30
31
22
6
2
1
30
28
3
27
2
31
349
12
2
1

Highest AQI (US) recorded in

August

50AQI (US)

Lowest AQI (US) recorded in

April

11AQI (US)

202227AQI (US)

23
6
21
1
31
17
31
30
21
3
21
5
3
18
13
19
11
28
3
263
39
3

Highest AQI (US) recorded in

September

44AQI (US)

Lowest AQI (US) recorded in

May

10AQI (US)

202125AQI (US)

25
4
28
31
30
31
30
27
4
19
9
3
25
4
1
31
25
5
30
1
332
27
4

Highest AQI (US) recorded in

August

52AQI (US)

Lowest AQI (US) recorded in

May

12AQI (US)

202037AQI (US)

13
20
18
30
31
27
4
19
3
1
3
4
30
24
6
25
6
237
19
1
3
4

Highest AQI (US) recorded in

September

109AQI (US)

Lowest AQI (US) recorded in

April

16AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2020(Avg.)
37AQI (US)
Least Polluted Year Recorded
2023(Avg.)
23AQI (US)

Pendleton's annual 2026 AQI (US) (32) shows an average percentage change of 20.2% (worsened AQI (US)) compared to previous years: 2020 (37), 2021 (25), 2022 (27), 2023 (23), 2024 (23), 2025 (29).