Walla Walla, 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
Walla Walla, Washington, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Aug 2023
248AQILowest AQI recorded on
10th Aug 2023
13AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 33 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Walla Walla, Washington, United States
AQI
Day
Night
.
5 AM4th Aug 2025
8 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
2PM4th Aug
24AQI
Avg. Lowest Time
9AM4th Aug
21AQI
Night time
Avg. Highest Time
3AM5th Aug
30AQI
Avg. Lowest Time
9PM4th Aug
25AQI
In the last 24 hours,
Walla Walla's AQI reached its highest point of 30 at 3 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Walla Walla, Washington, 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 - 05th05th
Day
Night
6th Jul 2025185 AMAQI
6th Jul 2025186 AMAQI
6th Jul 2025197 AMAQI
6th Jul 2025188 AMAQI
6th Jul 2025189 AMAQI
6th Jul 20251810 AMAQI
6th Jul 20251811 AMAQI
6th Jul 20251912 PMAQI
6th Jul 2025191 PMAQI
6th Jul 2025202 PMAQI
6th Jul 2025203 PMAQI
6th Jul 2025204 PMAQI
6th Jul 2025195 PMAQI
6th Jul 2025196 PMAQI
6th Jul 2025217 PMAQI
6th Jul 2025228 PMAQI
6th Jul 2025219 PMAQI
6th Jul 20252210 PMAQI
6th Jul 20252111 PMAQI
7th Jul 20252012 AMAQI
7th Jul 2025221 AMAQI
7th Jul 2025212 AMAQI
7th Jul 2025223 AMAQI
7th Jul 2025194 AMAQI
22°C14/30°C
7th Jul 2025205 AMAQI
7th Jul 2025216 AMAQI
7th Jul 2025207 AMAQI
7th Jul 2025218 AMAQI
7th Jul 2025219 AMAQI
7th Jul 20252110 AMAQI
7th Jul 20252111 AMAQI
7th Jul 20252112 PMAQI
7th Jul 2025211 PMAQI
7th Jul 2025212 PMAQI
7th Jul 2025223 PMAQI
7th Jul 2025224 PMAQI
7th Jul 2025215 PMAQI
7th Jul 2025226 PMAQI
7th Jul 2025227 PMAQI
7th Jul 2025228 PMAQI
7th Jul 2025239 PMAQI
7th Jul 20252310 PMAQI
7th Jul 20252411 PMAQI
8th Jul 20252212 AMAQI
8th Jul 2025221 AMAQI
8th Jul 2025232 AMAQI
8th Jul 2025223 AMAQI
8th Jul 2025204 AMAQI
26°C17/34°C
8th Jul 2025225 AMAQI
8th Jul 2025226 AMAQI
8th Jul 2025217 AMAQI
8th Jul 2025218 AMAQI
8th Jul 2025219 AMAQI
8th Jul 20252210 AMAQI
8th Jul 20252211 AMAQI
8th Jul 20252312 PMAQI
8th Jul 2025221 PMAQI
8th Jul 2025232 PMAQI
8th Jul 2025233 PMAQI
8th Jul 2025234 PMAQI
8th Jul 2025235 PMAQI
8th Jul 2025236 PMAQI
8th Jul 2025227 PMAQI
8th Jul 2025228 PMAQI
8th Jul 2025219 PMAQI
8th Jul 20252210 PMAQI
8th Jul 20252211 PMAQI
9th Jul 20252212 AMAQI
9th Jul 2025231 AMAQI
9th Jul 2025242 AMAQI
9th Jul 2025213 AMAQI
9th Jul 2025204 AMAQI
29°C20/37°C
9th Jul 2025235 AMAQI
9th Jul 2025196 AMAQI
9th Jul 2025187 AMAQI
9th Jul 2025188 AMAQI
9th Jul 2025179 AMAQI
9th Jul 20251710 AMAQI
9th Jul 20251711 AMAQI
9th Jul 20251812 PMAQI
9th Jul 2025181 PMAQI
9th Jul 2025182 PMAQI
9th Jul 2025183 PMAQI
9th Jul 2025184 PMAQI
9th Jul 2025195 PMAQI
9th Jul 2025186 PMAQI
9th Jul 2025197 PMAQI
9th Jul 2025218 PMAQI
9th Jul 2025209 PMAQI
9th Jul 20252110 PMAQI
9th Jul 20251811 PMAQI
10th Jul 20251812 AMAQI
10th Jul 2025161 AMAQI
10th Jul 2025162 AMAQI
10th Jul 2025153 AMAQI
10th Jul 2025144 AMAQI
25°C17/33°C
10th Jul 2025145 AMAQI
10th Jul 2025146 AMAQI
10th Jul 2025147 AMAQI
10th Jul 2025148 AMAQI
10th Jul 2025159 AMAQI
10th Jul 20251510 AMAQI
10th Jul 20251411 AMAQI
10th Jul 20251412 PMAQI
10th Jul 2025151 PMAQI
10th Jul 2025142 PMAQI
10th Jul 2025163 PMAQI
10th Jul 2025174 PMAQI
10th Jul 2025155 PMAQI
10th Jul 2025156 PMAQI
10th Jul 2025167 PMAQI
10th Jul 2025178 PMAQI
10th Jul 2025169 PMAQI
10th Jul 20251610 PMAQI
10th Jul 20251611 PMAQI
11th Jul 20251712 AMAQI
11th Jul 2025161 AMAQI
11th Jul 2025162 AMAQI
11th Jul 2025153 AMAQI
11th Jul 2025184 AMAQI
23°C16/30°C
11th Jul 2025165 AMAQI
11th Jul 2025156 AMAQI
11th Jul 2025167 AMAQI
11th Jul 2025168 AMAQI
11th Jul 2025169 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20251812 PMAQI
11th Jul 2025181 PMAQI
11th Jul 2025192 PMAQI
11th Jul 2025193 PMAQI
11th Jul 2025194 PMAQI
11th Jul 2025205 PMAQI
11th Jul 2025196 PMAQI
11th Jul 2025197 PMAQI
11th Jul 2025198 PMAQI
11th Jul 2025219 PMAQI
11th Jul 20252110 PMAQI
11th Jul 20252211 PMAQI
12th Jul 20252012 AMAQI
12th Jul 2025221 AMAQI
12th Jul 2025212 AMAQI
12th Jul 2025223 AMAQI
12th Jul 2025214 AMAQI
23°C14/32°C
12th Jul 2025205 AMAQI
12th Jul 2025196 AMAQI
12th Jul 2025197 AMAQI
12th Jul 2025198 AMAQI
12th Jul 2025209 AMAQI
12th Jul 20252010 AMAQI
12th Jul 20251911 AMAQI
12th Jul 20251812 PMAQI
12th Jul 2025181 PMAQI
12th Jul 2025192 PMAQI
12th Jul 2025203 PMAQI
12th Jul 2025194 PMAQI
12th Jul 2025195 PMAQI
12th Jul 2025196 PMAQI
12th Jul 2025207 PMAQI
12th Jul 2025208 PMAQI
12th Jul 2025219 PMAQI
12th Jul 20252010 PMAQI
12th Jul 20252111 PMAQI
13th Jul 20252212 AMAQI
13th Jul 2025231 AMAQI
13th Jul 2025222 AMAQI
13th Jul 2025223 AMAQI
13th Jul 2025224 AMAQI
27°C18/35°C
13th Jul 2025225 AMAQI
13th Jul 2025206 AMAQI
13th Jul 2025197 AMAQI
13th Jul 2025208 AMAQI
13th Jul 2025209 AMAQI
13th Jul 20252010 AMAQI
13th Jul 20252011 AMAQI
13th Jul 20252112 PMAQI
13th Jul 2025211 PMAQI
13th Jul 2025212 PMAQI
13th Jul 2025213 PMAQI
13th Jul 2025214 PMAQI
13th Jul 2025215 PMAQI
13th Jul 2025216 PMAQI
13th Jul 2025227 PMAQI
13th Jul 2025238 PMAQI
13th Jul 2025239 PMAQI
13th Jul 20252310 PMAQI
13th Jul 20252211 PMAQI
14th Jul 20252412 AMAQI
14th Jul 2025221 AMAQI
14th Jul 2025212 AMAQI
14th Jul 2025213 AMAQI
14th Jul 2025224 AMAQI
28°C19/37°C
14th Jul 2025225 AMAQI
14th Jul 2025196 AMAQI
14th Jul 2025197 AMAQI
14th Jul 2025198 AMAQI
14th Jul 2025199 AMAQI
14th Jul 20251910 AMAQI
14th Jul 20251911 AMAQI
14th Jul 20251912 PMAQI
14th Jul 2025201 PMAQI
14th Jul 2025192 PMAQI
14th Jul 2025213 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025205 PMAQI
14th Jul 2025206 PMAQI
14th Jul 2025207 PMAQI
14th Jul 2025228 PMAQI
14th Jul 2025219 PMAQI
14th Jul 20252010 PMAQI
14th Jul 20252111 PMAQI
15th Jul 20252112 AMAQI
15th Jul 2025201 AMAQI
15th Jul 2025232 AMAQI
15th Jul 2025233 AMAQI
15th Jul 2025234 AMAQI
27°C19/35°C
15th Jul 2025225 AMAQI
15th Jul 2025216 AMAQI
15th Jul 2025197 AMAQI
15th Jul 2025188 AMAQI
15th Jul 2025199 AMAQI
15th Jul 20251810 AMAQI
15th Jul 20251811 AMAQI
15th Jul 20251712 PMAQI
15th Jul 2025171 PMAQI
15th Jul 2025172 PMAQI
15th Jul 2025183 PMAQI
15th Jul 2025194 PMAQI
15th Jul 2025185 PMAQI
15th Jul 2025206 PMAQI
15th Jul 2025207 PMAQI
15th Jul 2025218 PMAQI
15th Jul 2025219 PMAQI
15th Jul 20252110 PMAQI
15th Jul 20252111 PMAQI
16th Jul 20252112 AMAQI
16th Jul 2025231 AMAQI
16th Jul 2025242 AMAQI
16th Jul 2025233 AMAQI
16th Jul 2025244 AMAQI
22°C14/30°C
16th Jul 2025245 AMAQI
16th Jul 2025266 AMAQI
16th Jul 2025267 AMAQI
16th Jul 2025278 AMAQI
16th Jul 2025289 AMAQI
16th Jul 20252710 AMAQI
16th Jul 20252911 AMAQI
16th Jul 20253012 PMAQI
16th Jul 2025301 PMAQI
16th Jul 2025302 PMAQI
16th Jul 2025303 PMAQI
16th Jul 2025304 PMAQI
16th Jul 2025315 PMAQI
16th Jul 2025296 PMAQI
16th Jul 2025287 PMAQI
16th Jul 2025298 PMAQI
16th Jul 2025309 PMAQI
16th Jul 20252810 PMAQI
16th Jul 20252811 PMAQI
17th Jul 20252912 AMAQI
17th Jul 2025301 AMAQI
17th Jul 2025322 AMAQI
17th Jul 2025363 AMAQI
17th Jul 2025404 AMAQI
22°C13/30°C
17th Jul 2025425 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025488 AMAQI
17th Jul 2025479 AMAQI
17th Jul 20254410 AMAQI
17th Jul 20254211 AMAQI
17th Jul 20253712 PMAQI
17th Jul 2025361 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025336 PMAQI
17th Jul 2025347 PMAQI
17th Jul 2025348 PMAQI
17th Jul 2025319 PMAQI
17th Jul 20253010 PMAQI
17th Jul 20253211 PMAQI
18th Jul 20253212 AMAQI
18th Jul 2025301 AMAQI
18th Jul 2025262 AMAQI
18th Jul 2025253 AMAQI
18th Jul 2025254 AMAQI
26°C18/33°C
18th Jul 2025245 AMAQI
18th Jul 2025256 AMAQI
18th Jul 2025267 AMAQI
18th Jul 2025268 AMAQI
18th Jul 2025279 AMAQI
18th Jul 20252810 AMAQI
18th Jul 20252911 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025302 PMAQI
18th Jul 2025313 PMAQI
18th Jul 2025344 PMAQI
18th Jul 2025335 PMAQI
18th Jul 2025316 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025298 PMAQI
18th Jul 2025339 PMAQI
18th Jul 20253310 PMAQI
18th Jul 20253211 PMAQI
19th Jul 20252912 AMAQI
19th Jul 2025301 AMAQI
19th Jul 2025422 AMAQI
19th Jul 2025493 AMAQI
19th Jul 2025384 AMAQI
26°C17/34°C
19th Jul 2025405 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025407 AMAQI
19th Jul 2025358 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20252910 AMAQI
19th Jul 20252711 AMAQI
19th Jul 20252712 PMAQI
19th Jul 2025261 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025293 PMAQI
19th Jul 2025304 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025316 PMAQI
19th Jul 2025317 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025309 PMAQI
19th Jul 20253210 PMAQI
19th Jul 20253311 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025291 AMAQI
20th Jul 2025332 AMAQI
20th Jul 2025273 AMAQI
20th Jul 2025314 AMAQI
22°C16/30°C
20th Jul 2025425 AMAQI
20th Jul 2025446 AMAQI
20th Jul 2025467 AMAQI
20th Jul 2025438 AMAQI
20th Jul 2025449 AMAQI
20th Jul 20254410 AMAQI
20th Jul 20254311 AMAQI
20th Jul 20254112 PMAQI
20th Jul 2025421 PMAQI
20th Jul 2025392 PMAQI
20th Jul 2025363 PMAQI
20th Jul 2025354 PMAQI
20th Jul 2025355 PMAQI
20th Jul 2025336 PMAQI
20th Jul 2025377 PMAQI
20th Jul 2025368 PMAQI
20th Jul 2025339 PMAQI
20th Jul 20253310 PMAQI
20th Jul 20253511 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025421 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025363 AMAQI
21st Jul 2025334 AMAQI
20°C13/26°C
21st Jul 2025325 AMAQI
21st Jul 2025306 AMAQI
21st Jul 2025357 AMAQI
21st Jul 2025428 AMAQI
21st Jul 2025429 AMAQI
21st Jul 20254210 AMAQI
21st Jul 20254511 AMAQI
21st Jul 20254412 PMAQI
21st Jul 2025431 PMAQI
21st Jul 2025422 PMAQI
21st Jul 2025433 PMAQI
21st Jul 2025424 PMAQI
21st Jul 2025425 PMAQI
21st Jul 2025396 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025339 PMAQI
21st Jul 20253410 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253312 AMAQI
22nd Jul 2025291 AMAQI
22nd Jul 2025302 AMAQI
22nd Jul 2025313 AMAQI
22nd Jul 2025314 AMAQI
21°C16/27°C
22nd Jul 2025315 AMAQI
22nd Jul 2025326 AMAQI
22nd Jul 2025327 AMAQI
22nd Jul 2025338 AMAQI
22nd Jul 2025349 AMAQI
22nd Jul 20253310 AMAQI
22nd Jul 20253611 AMAQI
22nd Jul 20253712 PMAQI
22nd Jul 2025371 PMAQI
22nd Jul 2025362 PMAQI
22nd Jul 2025343 PMAQI
22nd Jul 2025334 PMAQI
22nd Jul 2025325 PMAQI
22nd Jul 2025316 PMAQI
22nd Jul 2025317 PMAQI
22nd Jul 2025308 PMAQI
22nd Jul 2025299 PMAQI
22nd Jul 20252810 PMAQI
22nd Jul 20252911 PMAQI
23rd Jul 20252812 AMAQI
23rd Jul 2025241 AMAQI
23rd Jul 2025252 AMAQI
23rd Jul 2025253 AMAQI
23rd Jul 2025254 AMAQI
21°C15/29°C
23rd Jul 2025265 AMAQI
23rd Jul 2025276 AMAQI
23rd Jul 2025287 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20252810 AMAQI
23rd Jul 20252911 AMAQI
23rd Jul 20253012 PMAQI
23rd Jul 2025321 PMAQI
23rd Jul 2025332 PMAQI
23rd Jul 2025323 PMAQI
23rd Jul 2025314 PMAQI
23rd Jul 2025305 PMAQI
23rd Jul 2025296 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025289 PMAQI
23rd Jul 20252810 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025272 AMAQI
24th Jul 2025263 AMAQI
24th Jul 2025264 AMAQI
26°C18/33°C
24th Jul 2025275 AMAQI
24th Jul 2025276 AMAQI
24th Jul 2025277 AMAQI
24th Jul 2025288 AMAQI
24th Jul 2025299 AMAQI
24th Jul 20253010 AMAQI
24th Jul 20253111 AMAQI
24th Jul 20253112 PMAQI
24th Jul 2025311 PMAQI
24th Jul 2025312 PMAQI
24th Jul 2025303 PMAQI
24th Jul 2025294 PMAQI
24th Jul 2025285 PMAQI
24th Jul 2025286 PMAQI
24th Jul 2025297 PMAQI
24th Jul 2025288 PMAQI
24th Jul 2025269 PMAQI
24th Jul 20252610 PMAQI
24th Jul 20252511 PMAQI
25th Jul 20252512 AMAQI
25th Jul 2025221 AMAQI
25th Jul 2025232 AMAQI
25th Jul 2025213 AMAQI
25th Jul 2025204 AMAQI
26°C19/34°C
25th Jul 2025195 AMAQI
25th Jul 2025196 AMAQI
25th Jul 2025197 AMAQI
25th Jul 2025208 AMAQI
25th Jul 2025209 AMAQI
25th Jul 20252010 AMAQI
25th Jul 20252011 AMAQI
25th Jul 20251912 PMAQI
25th Jul 2025191 PMAQI
25th Jul 2025182 PMAQI
25th Jul 2025193 PMAQI
25th Jul 2025194 PMAQI
25th Jul 2025195 PMAQI
25th Jul 2025206 PMAQI
25th Jul 2025207 PMAQI
25th Jul 2025208 PMAQI
25th Jul 2025189 PMAQI
25th Jul 20251810 PMAQI
25th Jul 20251911 PMAQI
26th Jul 20251812 AMAQI
26th Jul 2025161 AMAQI
26th Jul 2025162 AMAQI
26th Jul 2025163 AMAQI
26th Jul 2025164 AMAQI
24°C16/33°C
26th Jul 2025165 AMAQI
26th Jul 2025166 AMAQI
26th Jul 2025167 AMAQI
26th Jul 2025168 AMAQI
26th Jul 2025169 AMAQI
26th Jul 20251610 AMAQI
26th Jul 20251711 AMAQI
26th Jul 20251612 PMAQI
26th Jul 2025171 PMAQI
26th Jul 2025162 PMAQI
26th Jul 2025173 PMAQI
26th Jul 2025174 PMAQI
26th Jul 2025175 PMAQI
26th Jul 2025166 PMAQI
26th Jul 2025177 PMAQI
26th Jul 2025188 PMAQI
26th Jul 2025179 PMAQI
26th Jul 20251710 PMAQI
26th Jul 20251711 PMAQI
27th Jul 20251712 AMAQI
27th Jul 2025171 AMAQI
27th Jul 2025172 AMAQI
27th Jul 2025153 AMAQI
27th Jul 2025164 AMAQI
22°C15/31°C
27th Jul 2025155 AMAQI
27th Jul 2025156 AMAQI
27th Jul 2025177 AMAQI
27th Jul 2025178 AMAQI
27th Jul 2025179 AMAQI
27th Jul 20251710 AMAQI
27th Jul 20251711 AMAQI
27th Jul 20251612 PMAQI
27th Jul 2025161 PMAQI
27th Jul 2025162 PMAQI
27th Jul 2025173 PMAQI
27th Jul 2025164 PMAQI
27th Jul 2025165 PMAQI
27th Jul 2025166 PMAQI
27th Jul 2025167 PMAQI
27th Jul 2025168 PMAQI
27th Jul 2025179 PMAQI
27th Jul 20251610 PMAQI
27th Jul 20251611 PMAQI
28th Jul 20251712 AMAQI
28th Jul 2025171 AMAQI
28th Jul 2025172 AMAQI
28th Jul 2025163 AMAQI
28th Jul 2025164 AMAQI
24°C15/32°C
28th Jul 2025155 AMAQI
28th Jul 2025166 AMAQI
28th Jul 2025177 AMAQI
28th Jul 2025178 AMAQI
28th Jul 2025179 AMAQI
28th Jul 20251810 AMAQI
28th Jul 20251811 AMAQI
28th Jul 20251812 PMAQI
28th Jul 2025181 PMAQI
28th Jul 2025182 PMAQI
28th Jul 2025193 PMAQI
28th Jul 2025194 PMAQI
28th Jul 2025185 PMAQI
28th Jul 2025186 PMAQI
28th Jul 2025187 PMAQI
28th Jul 2025198 PMAQI
28th Jul 2025199 PMAQI
28th Jul 20251810 PMAQI
28th Jul 20251911 PMAQI
29th Jul 20251812 AMAQI
29th Jul 2025201 AMAQI
29th Jul 2025202 AMAQI
29th Jul 2025183 AMAQI
29th Jul 2025184 AMAQI
25°C16/34°C
29th Jul 2025185 AMAQI
29th Jul 2025186 AMAQI
29th Jul 2025187 AMAQI
29th Jul 2025188 AMAQI
29th Jul 2025209 AMAQI
29th Jul 20252010 AMAQI
29th Jul 20252111 AMAQI
29th Jul 20252212 PMAQI
29th Jul 2025221 PMAQI
29th Jul 2025222 PMAQI
29th Jul 2025203 PMAQI
29th Jul 2025214 PMAQI
29th Jul 2025205 PMAQI
29th Jul 2025206 PMAQI
29th Jul 2025207 PMAQI
29th Jul 2025208 PMAQI
29th Jul 2025209 PMAQI
29th Jul 20252110 PMAQI
29th Jul 20252011 PMAQI
30th Jul 20252212 AMAQI
30th Jul 2025221 AMAQI
30th Jul 2025232 AMAQI
30th Jul 2025243 AMAQI
30th Jul 2025224 AMAQI
28°C19/37°C
30th Jul 2025235 AMAQI
30th Jul 2025226 AMAQI
30th Jul 2025227 AMAQI
30th Jul 2025228 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20252310 AMAQI
30th Jul 20252511 AMAQI
30th Jul 20252512 PMAQI
30th Jul 2025261 PMAQI
30th Jul 2025282 PMAQI
30th Jul 2025283 PMAQI
30th Jul 2025284 PMAQI
30th Jul 2025285 PMAQI
30th Jul 2025286 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025288 PMAQI
30th Jul 2025269 PMAQI
30th Jul 20252410 PMAQI
30th Jul 20252511 PMAQI
31st Jul 20252612 AMAQI
31st Jul 2025261 AMAQI
31st Jul 2025262 AMAQI
31st Jul 2025253 AMAQI
31st Jul 2025264 AMAQI
28°C19/37°C
31st Jul 2025265 AMAQI
31st Jul 2025286 AMAQI
31st Jul 2025287 AMAQI
31st Jul 2025298 AMAQI
31st Jul 2025299 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20253411 AMAQI
31st Jul 20253412 PMAQI
31st Jul 2025371 PMAQI
31st Jul 2025362 PMAQI
31st Jul 2025373 PMAQI
31st Jul 2025364 PMAQI
31st Jul 2025375 PMAQI
31st Jul 2025346 PMAQI
31st Jul 2025307 PMAQI
31st Jul 2025348 PMAQI
31st Jul 2025339 PMAQI
31st Jul 20253210 PMAQI
31st Jul 20253411 PMAQI
1st Aug 20253912 AMAQI
1st Aug 2025391 AMAQI
1st Aug 2025362 AMAQI
1st Aug 2025323 AMAQI
1st Aug 2025344 AMAQI
27°C19/35°C
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025349 AMAQI
1st Aug 20253610 AMAQI
1st Aug 20254111 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025441 PMAQI
1st Aug 2025462 PMAQI
1st Aug 2025553 PMAQI
1st Aug 2025604 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025616 PMAQI
1st Aug 2025407 PMAQI
1st Aug 2025468 PMAQI
1st Aug 2025539 PMAQI
1st Aug 20254810 PMAQI
1st Aug 20255111 PMAQI
2nd Aug 20255112 AMAQI
2nd Aug 2025481 AMAQI
2nd Aug 2025482 AMAQI
2nd Aug 2025483 AMAQI
2nd Aug 2025434 AMAQI
22°C19/27°C
2nd Aug 2025435 AMAQI
2nd Aug 2025396 AMAQI
2nd Aug 2025427 AMAQI
2nd Aug 2025458 AMAQI
2nd Aug 2025489 AMAQI
2nd Aug 20255010 AMAQI
2nd Aug 20255411 AMAQI
2nd Aug 20255612 PMAQI
2nd Aug 2025571 PMAQI
2nd Aug 2025592 PMAQI
2nd Aug 2025633 PMAQI
2nd Aug 2025624 PMAQI
2nd Aug 2025605 PMAQI
2nd Aug 2025596 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025508 PMAQI
2nd Aug 2025509 PMAQI
2nd Aug 20254310 PMAQI
2nd Aug 20254511 PMAQI
3rd Aug 20254612 AMAQI
3rd Aug 2025461 AMAQI
3rd Aug 2025422 AMAQI
3rd Aug 2025413 AMAQI
3rd Aug 2025404 AMAQI
25°C16/33°C
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025387 AMAQI
3rd Aug 2025358 AMAQI
3rd Aug 2025369 AMAQI
3rd Aug 20253410 AMAQI
3rd Aug 20253211 AMAQI
3rd Aug 20252912 PMAQI
3rd Aug 2025301 PMAQI
3rd Aug 2025222 PMAQI
3rd Aug 2025213 PMAQI
3rd Aug 2025214 PMAQI
3rd Aug 2025225 PMAQI
3rd Aug 2025226 PMAQI
3rd Aug 2025357 PMAQI
3rd Aug 2025308 PMAQI
3rd Aug 2025289 PMAQI
3rd Aug 20252710 PMAQI
3rd Aug 20252411 PMAQI
4th Aug 20252512 AMAQI
4th Aug 2025251 AMAQI
4th Aug 2025252 AMAQI
4th Aug 2025253 AMAQI
4th Aug 2025234 AMAQI
23°C16/31°C
4th Aug 2025225 AMAQI
4th Aug 2025226 AMAQI
4th Aug 2025237 AMAQI
4th Aug 2025228 AMAQI
4th Aug 2025219 AMAQI
4th Aug 20252210 AMAQI
4th Aug 20252211 AMAQI
4th Aug 20252312 PMAQI
4th Aug 2025221 PMAQI
4th Aug 2025242 PMAQI
4th Aug 2025243 PMAQI
4th Aug 2025244 PMAQI
4th Aug 2025245 PMAQI
4th Aug 2025246 PMAQI
4th Aug 2025227 PMAQI
4th Aug 2025248 PMAQI
4th Aug 2025259 PMAQI
4th Aug 20252810 PMAQI
4th Aug 20252611 PMAQI
5th Aug 20252712 AMAQI
5th Aug 2025281 AMAQI
5th Aug 2025292 AMAQI
5th Aug 2025303 AMAQI
20°C13/28°C
5 AM
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
26AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
26AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 26), while the lowest AQI was between 5 AM to 8 PM (Avg. 26).
Night time
Avg. Highest Time
12 AM - 11 PM
26AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
26AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 26), while the lowest AQI was between 12 AM to 11 PM (Avg. 26).
2025 Days Vs Air Quality
Walla Walla, Washington, United States
2025
99%
213
0.9%
2
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
213 DaysModerate
2 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 217 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
Walla Walla, Washington, United States
AQI levels in 2025
AQI
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.
1st January 2025
34AQI
34AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
21AQI
21AQI
4th January 2025
23AQI
23AQI
5th January 2025
22AQI
22AQI
6th January 2025
22AQI
22AQI
7th January 2025
24AQI
24AQI
8th January 2025
25AQI
25AQI
9th January 2025
25AQI
25AQI
10th January 2025
22AQI
22AQI
11th January 2025
19AQI
19AQI
12th January 2025
22AQI
22AQI
13th January 2025
30AQI
30AQI
14th January 2025
39AQI
39AQI
15th January 2025
37AQI
37AQI
16th January 2025
30AQI
30AQI
17th January 2025
33AQI
33AQI
18th January 2025
34AQI
34AQI
19th January 2025
31AQI
31AQI
20th January 2025
29AQI
29AQI
21st January 2025
44AQI
44AQI
22nd January 2025
46AQI
46AQI
23rd January 2025
51AQI
51AQI
24th January 2025
46AQI
46AQI
25th January 2025
34AQI
34AQI
26th January 2025
34AQI
34AQI
27th January 2025
39AQI
39AQI
28th January 2025
43AQI
43AQI
29th January 2025
49AQI
49AQI
30th January 2025
54AQI
54AQI
31st January 2025
35AQI
35AQI
1st February 2025
18AQI
18AQI
2nd February 2025
30AQI
30AQI
3rd February 2025
27AQI
27AQI
4th February 2025
23AQI
23AQI
5th February 2025
25AQI
25AQI
6th February 2025
31AQI
31AQI
7th February 2025
30AQI
30AQI
8th February 2025
29AQI
29AQI
9th February 2025
36AQI
36AQI
10th February 2025
29AQI
29AQI
11th February 2025
25AQI
25AQI
12th February 2025
32AQI
32AQI
13th February 2025
31AQI
31AQI
14th February 2025
32AQI
32AQI
15th February 2025
31AQI
31AQI
16th February 2025
38AQI
38AQI
17th February 2025
37AQI
37AQI
18th February 2025
40AQI
40AQI
19th February 2025
22AQI
22AQI
20th February 2025
22AQI
22AQI
21st February 2025
26AQI
26AQI
22nd February 2025
25AQI
25AQI
23rd February 2025
17AQI
17AQI
24th February 2025
19AQI
19AQI
25th February 2025
17AQI
17AQI
26th February 2025
21AQI
21AQI
27th February 2025
25AQI
25AQI
28th February 2025
26AQI
26AQI
1st March 2025
31AQI
31AQI
2nd March 2025
27AQI
27AQI
3rd March 2025
26AQI
26AQI
4th March 2025
21AQI
21AQI
5th March 2025
17AQI
17AQI
6th March 2025
19AQI
19AQI
7th March 2025
20AQI
20AQI
8th March 2025
22AQI
22AQI
9th March 2025
23AQI
23AQI
10th March 2025
19AQI
19AQI
11th March 2025
17AQI
17AQI
12th March 2025
19AQI
19AQI
13th March 2025
19AQI
19AQI
14th March 2025
16AQI
16AQI
15th March 2025
15AQI
15AQI
16th March 2025
14AQI
14AQI
17th March 2025
16AQI
16AQI
18th March 2025
16AQI
16AQI
19th March 2025
18AQI
18AQI
20th March 2025
18AQI
18AQI
21st March 2025
16AQI
16AQI
22nd March 2025
15AQI
15AQI
23rd March 2025
16AQI
16AQI
24th March 2025
15AQI
15AQI
25th March 2025
23AQI
23AQI
26th March 2025
24AQI
24AQI
27th March 2025
18AQI
18AQI
28th March 2025
18AQI
18AQI
29th March 2025
17AQI
17AQI
30th March 2025
19AQI
19AQI
31st March 2025
17AQI
17AQI
1st April 2025
19AQI
19AQI
2nd April 2025
18AQI
18AQI
3rd April 2025
16AQI
16AQI
4th April 2025
24AQI
24AQI
5th April 2025
26AQI
26AQI
6th April 2025
25AQI
25AQI
7th April 2025
22AQI
22AQI
8th April 2025
13AQI
13AQI
9th April 2025
13AQI
13AQI
10th April 2025
17AQI
17AQI
11th April 2025
16AQI
16AQI
12th April 2025
16AQI
16AQI
13th April 2025
18AQI
18AQI
14th April 2025
21AQI
21AQI
15th April 2025
24AQI
24AQI
16th April 2025
23AQI
23AQI
17th April 2025
16AQI
16AQI
18th April 2025
19AQI
19AQI
19th April 2025
17AQI
17AQI
20th April 2025
19AQI
19AQI
21st April 2025
13AQI
13AQI
22nd April 2025
13AQI
13AQI
23rd April 2025
17AQI
17AQI
24th April 2025
24AQI
24AQI
25th April 2025
26AQI
26AQI
26th April 2025
28AQI
28AQI
27th April 2025
30AQI
30AQI
28th April 2025
18AQI
18AQI
29th April 2025
15AQI
15AQI
30th April 2025
17AQI
17AQI
1st May 2025
19AQI
19AQI
2nd May 2025
21AQI
21AQI
3rd May 2025
16AQI
16AQI
4th May 2025
15AQI
15AQI
5th May 2025
14AQI
14AQI
6th May 2025
16AQI
16AQI
7th May 2025
17AQI
17AQI
8th May 2025
16AQI
16AQI
9th May 2025
20AQI
20AQI
10th May 2025
21AQI
21AQI
11th May 2025
16AQI
16AQI
12th May 2025
15AQI
15AQI
13th May 2025
17AQI
17AQI
14th May 2025
17AQI
17AQI
15th May 2025
17AQI
17AQI
16th May 2025
13AQI
13AQI
17th May 2025
13AQI
13AQI
18th May 2025
12AQI
12AQI
19th May 2025
13AQI
13AQI
20th May 2025
11AQI
11AQI
21st May 2025
12AQI
12AQI
22nd May 2025
19AQI
19AQI
23rd May 2025
17AQI
17AQI
24th May 2025
19AQI
19AQI
25th May 2025
21AQI
21AQI
26th May 2025
18AQI
18AQI
27th May 2025
15AQI
15AQI
28th May 2025
16AQI
16AQI
29th May 2025
16AQI
16AQI
30th May 2025
14AQI
14AQI
31st May 2025
19AQI
19AQI
1st June 2025
14AQI
14AQI
2nd June 2025
14AQI
14AQI
3rd June 2025
15AQI
15AQI
4th June 2025
17AQI
17AQI
5th June 2025
18AQI
18AQI
6th June 2025
20AQI
20AQI
7th June 2025
20AQI
20AQI
8th June 2025
26AQI
26AQI
9th June 2025
27AQI
27AQI
10th June 2025
28AQI
28AQI
11th June 2025
27AQI
27AQI
12th June 2025
35AQI
35AQI
13th June 2025
26AQI
26AQI
14th June 2025
19AQI
19AQI
15th June 2025
20AQI
20AQI
16th June 2025
23AQI
23AQI
17th June 2025
23AQI
23AQI
18th June 2025
17AQI
17AQI
19th June 2025
16AQI
16AQI
20th June 2025
17AQI
17AQI
21st June 2025
12AQI
12AQI
22nd June 2025
13AQI
13AQI
23rd June 2025
19AQI
19AQI
24th June 2025
33AQI
33AQI
25th June 2025
33AQI
33AQI
26th June 2025
20AQI
20AQI
27th June 2025
14AQI
14AQI
28th June 2025
14AQI
14AQI
29th June 2025
15AQI
15AQI
30th June 2025
17AQI
17AQI
1st July 2025
21AQI
21AQI
2nd July 2025
23AQI
23AQI
3rd July 2025
19AQI
19AQI
4th July 2025
17AQI
17AQI
5th July 2025
26AQI
26AQI
6th July 2025
19AQI
19AQI
7th July 2025
21AQI
21AQI
8th July 2025
22AQI
22AQI
9th July 2025
20AQI
20AQI
10th July 2025
15AQI
15AQI
11th July 2025
18AQI
18AQI
12th July 2025
20AQI
20AQI
13th July 2025
22AQI
22AQI
14th July 2025
21AQI
21AQI
15th July 2025
20AQI
20AQI
16th July 2025
27AQI
27AQI
17th July 2025
36AQI
36AQI
18th July 2025
29AQI
29AQI
19th July 2025
34AQI
34AQI
20th July 2025
37AQI
37AQI
21st July 2025
38AQI
38AQI
22nd July 2025
32AQI
32AQI
23rd July 2025
28AQI
28AQI
24th July 2025
28AQI
28AQI
25th July 2025
20AQI
20AQI
26th July 2025
17AQI
17AQI
27th July 2025
16AQI
16AQI
28th July 2025
18AQI
18AQI
29th July 2025
20AQI
20AQI
30th July 2025
25AQI
25AQI
31st July 2025
31AQI
31AQI
1st August 2025
43AQI
43AQI
2nd August 2025
50AQI
50AQI
3rd August 2025
33AQI
33AQI
33AQI
27AQI
19AQI
19AQI
16AQI
20AQI
24AQI
42AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202523AQI
29
2
28
31
30
31
30
31
3
213
2
Highest AQI recorded in
August42AQI
Lowest AQI recorded in
May16AQI
202421AQI
26
5
29
31
30
31
29
27
4
26
5
29
1
31
27
3
31
347
18
Highest AQI recorded in
August31AQI
Lowest AQI recorded in
May8AQI
202324AQI
31
27
1
30
30
29
2
29
1
31
24
5
2
30
29
2
27
2
31
348
13
2
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
April12AQI
202223AQI
30
21
31
30
31
30
21
1
20
5
4
22
9
20
10
29
2
286
26
4
Highest AQI recorded in
September45AQI
Lowest AQI recorded in
May8AQI
202123AQI
29
1
28
31
30
31
30
24
7
20
6
3
2
25
5
31
27
3
31
337
22
3
2
Highest AQI recorded in
August57AQI
Lowest AQI recorded in
May11AQI
202028AQI
13
20
18
30
31
31
18
4
3
4
1
30
1
30
29
2
250
7
3
4
1
Highest AQI recorded in
September85AQI
Lowest AQI recorded in
May11AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
28AQILeast Polluted Year Recorded
2024(Avg.)
21AQIWalla Walla's annual 2025 AQI (23) shows an average percentage change of -2.9% (improved AQI) compared to previous years: 2020 (28), 2021 (23), 2022 (23), 2023 (24), 2024 (21).
