W Main St, 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
W Main St, Walla Walla, Washington, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Aug 2023
228AQILowest AQI recorded on
10th Aug 2023
13AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 23 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
W Main St, 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
1PM4th Aug
21AQI
Night time
Avg. Highest Time
4AM5th Aug
26AQI
Avg. Lowest Time
1AM5th Aug
23AQI
In the last 24 hours,
W Main St's AQI reached its highest point of 26 at 4 AM during the Night, while the lowest point, 21, was recorded at 1 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
W Main St, 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 2025165 AMAQI
6th Jul 2025176 AMAQI
6th Jul 2025177 AMAQI
6th Jul 2025188 AMAQI
6th Jul 2025189 AMAQI
6th Jul 20251810 AMAQI
6th Jul 20251811 AMAQI
6th Jul 20251812 PMAQI
6th Jul 2025201 PMAQI
6th Jul 2025192 PMAQI
6th Jul 2025183 PMAQI
6th Jul 2025194 PMAQI
6th Jul 2025185 PMAQI
6th Jul 2025186 PMAQI
6th Jul 2025197 PMAQI
6th Jul 2025208 PMAQI
6th Jul 2025189 PMAQI
6th Jul 20251810 PMAQI
6th Jul 20252011 PMAQI
7th Jul 20251812 AMAQI
7th Jul 2025181 AMAQI
7th Jul 2025192 AMAQI
7th Jul 2025203 AMAQI
7th Jul 2025184 AMAQI
21°C14/29°C
7th Jul 2025185 AMAQI
7th Jul 2025206 AMAQI
7th Jul 2025197 AMAQI
7th Jul 2025188 AMAQI
7th Jul 2025199 AMAQI
7th Jul 20251910 AMAQI
7th Jul 20252011 AMAQI
7th Jul 20252012 PMAQI
7th Jul 2025191 PMAQI
7th Jul 2025202 PMAQI
7th Jul 2025203 PMAQI
7th Jul 2025204 PMAQI
7th Jul 2025195 PMAQI
7th Jul 2025196 PMAQI
7th Jul 2025217 PMAQI
7th Jul 2025208 PMAQI
7th Jul 2025209 PMAQI
7th Jul 20252010 PMAQI
7th Jul 20252211 PMAQI
8th Jul 20252012 AMAQI
8th Jul 2025201 AMAQI
8th Jul 2025222 AMAQI
8th Jul 2025203 AMAQI
8th Jul 2025204 AMAQI
25°C17/32°C
8th Jul 2025195 AMAQI
8th Jul 2025186 AMAQI
8th Jul 2025197 AMAQI
8th Jul 2025188 AMAQI
8th Jul 2025199 AMAQI
8th Jul 20251910 AMAQI
8th Jul 20252011 AMAQI
8th Jul 20252112 PMAQI
8th Jul 2025201 PMAQI
8th Jul 2025212 PMAQI
8th Jul 2025223 PMAQI
8th Jul 2025224 PMAQI
8th Jul 2025215 PMAQI
8th Jul 2025226 PMAQI
8th Jul 2025217 PMAQI
8th Jul 2025208 PMAQI
8th Jul 2025209 PMAQI
8th Jul 20252210 PMAQI
8th Jul 20252111 PMAQI
9th Jul 20252112 AMAQI
9th Jul 2025201 AMAQI
9th Jul 2025202 AMAQI
9th Jul 2025183 AMAQI
9th Jul 2025184 AMAQI
27°C20/35°C
9th Jul 2025185 AMAQI
9th Jul 2025176 AMAQI
9th Jul 2025187 AMAQI
9th Jul 2025178 AMAQI
9th Jul 2025179 AMAQI
9th Jul 20251610 AMAQI
9th Jul 20251611 AMAQI
9th Jul 20251812 PMAQI
9th Jul 2025181 PMAQI
9th Jul 2025182 PMAQI
9th Jul 2025183 PMAQI
9th Jul 2025174 PMAQI
9th Jul 2025185 PMAQI
9th Jul 2025176 PMAQI
9th Jul 2025187 PMAQI
9th Jul 2025188 PMAQI
9th Jul 2025189 PMAQI
9th Jul 20251910 PMAQI
9th Jul 20251611 PMAQI
10th Jul 20251612 AMAQI
10th Jul 2025161 AMAQI
10th Jul 2025152 AMAQI
10th Jul 2025143 AMAQI
10th Jul 2025134 AMAQI
23°C17/30°C
10th Jul 2025135 AMAQI
10th Jul 2025146 AMAQI
10th Jul 2025147 AMAQI
10th Jul 2025148 AMAQI
10th Jul 2025149 AMAQI
10th Jul 20251510 AMAQI
10th Jul 20251411 AMAQI
10th Jul 20251412 PMAQI
10th Jul 2025141 PMAQI
10th Jul 2025152 PMAQI
10th Jul 2025163 PMAQI
10th Jul 2025154 PMAQI
10th Jul 2025145 PMAQI
10th Jul 2025146 PMAQI
10th Jul 2025157 PMAQI
10th Jul 2025168 PMAQI
10th Jul 2025149 PMAQI
10th Jul 20251410 PMAQI
10th Jul 20251611 PMAQI
11th Jul 20251712 AMAQI
11th Jul 2025161 AMAQI
11th Jul 2025152 AMAQI
11th Jul 2025153 AMAQI
11th Jul 2025164 AMAQI
21°C15/28°C
11th Jul 2025155 AMAQI
11th Jul 2025156 AMAQI
11th Jul 2025157 AMAQI
11th Jul 2025168 AMAQI
11th Jul 2025169 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20251712 PMAQI
11th Jul 2025171 PMAQI
11th Jul 2025182 PMAQI
11th Jul 2025183 PMAQI
11th Jul 2025194 PMAQI
11th Jul 2025195 PMAQI
11th Jul 2025186 PMAQI
11th Jul 2025187 PMAQI
11th Jul 2025188 PMAQI
11th Jul 2025209 PMAQI
11th Jul 20251910 PMAQI
11th Jul 20252011 PMAQI
12th Jul 20252012 AMAQI
12th Jul 2025211 AMAQI
12th Jul 2025202 AMAQI
12th Jul 2025203 AMAQI
12th Jul 2025204 AMAQI
22°C14/30°C
12th Jul 2025205 AMAQI
12th Jul 2025186 AMAQI
12th Jul 2025187 AMAQI
12th Jul 2025198 AMAQI
12th Jul 2025209 AMAQI
12th Jul 20251810 AMAQI
12th Jul 20251811 AMAQI
12th Jul 20251812 PMAQI
12th Jul 2025171 PMAQI
12th Jul 2025182 PMAQI
12th Jul 2025183 PMAQI
12th Jul 2025184 PMAQI
12th Jul 2025175 PMAQI
12th Jul 2025186 PMAQI
12th Jul 2025207 PMAQI
12th Jul 2025208 PMAQI
12th Jul 2025209 PMAQI
12th Jul 20251910 PMAQI
12th Jul 20252011 PMAQI
13th Jul 20252112 AMAQI
13th Jul 2025211 AMAQI
13th Jul 2025182 AMAQI
13th Jul 2025203 AMAQI
13th Jul 2025184 AMAQI
26°C17/33°C
13th Jul 2025195 AMAQI
13th Jul 2025186 AMAQI
13th Jul 2025167 AMAQI
13th Jul 2025178 AMAQI
13th Jul 2025189 AMAQI
13th Jul 20251710 AMAQI
13th Jul 20251711 AMAQI
13th Jul 20251812 PMAQI
13th Jul 2025181 PMAQI
13th Jul 2025182 PMAQI
13th Jul 2025183 PMAQI
13th Jul 2025184 PMAQI
13th Jul 2025195 PMAQI
13th Jul 2025196 PMAQI
13th Jul 2025207 PMAQI
13th Jul 2025218 PMAQI
13th Jul 2025229 PMAQI
13th Jul 20252210 PMAQI
13th Jul 20252211 PMAQI
14th Jul 20252312 AMAQI
14th Jul 2025211 AMAQI
14th Jul 2025212 AMAQI
14th Jul 2025203 AMAQI
14th Jul 2025204 AMAQI
28°C21/35°C
14th Jul 2025205 AMAQI
14th Jul 2025206 AMAQI
14th Jul 2025207 AMAQI
14th Jul 2025208 AMAQI
14th Jul 2025209 AMAQI
14th Jul 20252010 AMAQI
14th Jul 20251911 AMAQI
14th Jul 20251912 PMAQI
14th Jul 2025191 PMAQI
14th Jul 2025192 PMAQI
14th Jul 2025213 PMAQI
14th Jul 2025194 PMAQI
14th Jul 2025195 PMAQI
14th Jul 2025206 PMAQI
14th Jul 2025217 PMAQI
14th Jul 2025228 PMAQI
14th Jul 2025229 PMAQI
14th Jul 20252110 PMAQI
14th Jul 20252111 PMAQI
15th Jul 20252112 AMAQI
15th Jul 2025201 AMAQI
15th Jul 2025222 AMAQI
15th Jul 2025213 AMAQI
15th Jul 2025204 AMAQI
26°C19/33°C
15th Jul 2025185 AMAQI
15th Jul 2025166 AMAQI
15th Jul 2025167 AMAQI
15th Jul 2025168 AMAQI
15th Jul 2025179 AMAQI
15th Jul 20251710 AMAQI
15th Jul 20251711 AMAQI
15th Jul 20251712 PMAQI
15th Jul 2025171 PMAQI
15th Jul 2025162 PMAQI
15th Jul 2025173 PMAQI
15th Jul 2025184 PMAQI
15th Jul 2025185 PMAQI
15th Jul 2025186 PMAQI
15th Jul 2025207 PMAQI
15th Jul 2025208 PMAQI
15th Jul 2025209 PMAQI
15th Jul 20252010 PMAQI
15th Jul 20252011 PMAQI
16th Jul 20252012 AMAQI
16th Jul 2025231 AMAQI
16th Jul 2025242 AMAQI
16th Jul 2025223 AMAQI
16th Jul 2025234 AMAQI
21°C13/27°C
16th Jul 2025225 AMAQI
16th Jul 2025246 AMAQI
16th Jul 2025247 AMAQI
16th Jul 2025248 AMAQI
16th Jul 2025259 AMAQI
16th Jul 20252410 AMAQI
16th Jul 20252711 AMAQI
16th Jul 20252812 PMAQI
16th Jul 2025281 PMAQI
16th Jul 2025282 PMAQI
16th Jul 2025283 PMAQI
16th Jul 2025284 PMAQI
16th Jul 2025275 PMAQI
16th Jul 2025266 PMAQI
16th Jul 2025257 PMAQI
16th Jul 2025268 PMAQI
16th Jul 2025279 PMAQI
16th Jul 20252810 PMAQI
16th Jul 20252811 PMAQI
17th Jul 20252712 AMAQI
17th Jul 2025281 AMAQI
17th Jul 2025272 AMAQI
17th Jul 2025293 AMAQI
17th Jul 2025324 AMAQI
21°C14/29°C
17th Jul 2025385 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025538 AMAQI
17th Jul 2025519 AMAQI
17th Jul 20255110 AMAQI
17th Jul 20254911 AMAQI
17th Jul 20254012 PMAQI
17th Jul 2025351 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025343 PMAQI
17th Jul 2025344 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025326 PMAQI
17th Jul 2025327 PMAQI
17th Jul 2025328 PMAQI
17th Jul 2025309 PMAQI
17th Jul 20252810 PMAQI
17th Jul 20253111 PMAQI
18th Jul 20253112 AMAQI
18th Jul 2025251 AMAQI
18th Jul 2025242 AMAQI
18th Jul 2025233 AMAQI
18th Jul 2025224 AMAQI
24°C17/32°C
18th Jul 2025225 AMAQI
18th Jul 2025246 AMAQI
18th Jul 2025267 AMAQI
18th Jul 2025258 AMAQI
18th Jul 2025269 AMAQI
18th Jul 20252510 AMAQI
18th Jul 20252711 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025302 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025324 PMAQI
18th Jul 2025325 PMAQI
18th Jul 2025306 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025278 PMAQI
18th Jul 2025309 PMAQI
18th Jul 20253210 PMAQI
18th Jul 20253211 PMAQI
19th Jul 20252912 AMAQI
19th Jul 2025271 AMAQI
19th Jul 2025322 AMAQI
19th Jul 2025463 AMAQI
19th Jul 2025364 AMAQI
24°C17/32°C
19th Jul 2025395 AMAQI
19th Jul 2025366 AMAQI
19th Jul 2025387 AMAQI
19th Jul 2025358 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20252810 AMAQI
19th Jul 20252611 AMAQI
19th Jul 20252612 PMAQI
19th Jul 2025251 PMAQI
19th Jul 2025252 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025285 PMAQI
19th Jul 2025296 PMAQI
19th Jul 2025297 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025279 PMAQI
19th Jul 20252810 PMAQI
19th Jul 20252811 PMAQI
20th Jul 20252912 AMAQI
20th Jul 2025281 AMAQI
20th Jul 2025342 AMAQI
20th Jul 2025263 AMAQI
20th Jul 2025284 AMAQI
20°C14/27°C
20th Jul 2025365 AMAQI
20th Jul 2025466 AMAQI
20th Jul 2025477 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025409 AMAQI
20th Jul 20254310 AMAQI
20th Jul 20254411 AMAQI
20th Jul 20253712 PMAQI
20th Jul 2025331 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025323 PMAQI
20th Jul 2025314 PMAQI
20th Jul 2025305 PMAQI
20th Jul 2025306 PMAQI
20th Jul 2025327 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025309 PMAQI
20th Jul 20253010 PMAQI
20th Jul 20253211 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025281 AMAQI
21st Jul 2025282 AMAQI
21st Jul 2025283 AMAQI
21st Jul 2025244 AMAQI
19°C13/26°C
21st Jul 2025255 AMAQI
21st Jul 2025226 AMAQI
21st Jul 2025237 AMAQI
21st Jul 2025238 AMAQI
21st Jul 2025249 AMAQI
21st Jul 20252410 AMAQI
21st Jul 20252711 AMAQI
21st Jul 20252612 PMAQI
21st Jul 2025281 PMAQI
21st Jul 2025302 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025314 PMAQI
21st Jul 2025315 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025287 PMAQI
21st Jul 2025278 PMAQI
21st Jul 2025269 PMAQI
21st Jul 20252810 PMAQI
21st Jul 20252711 PMAQI
22nd Jul 20252612 AMAQI
22nd Jul 2025241 AMAQI
22nd Jul 2025252 AMAQI
22nd Jul 2025263 AMAQI
22nd Jul 2025254 AMAQI
19°C15/25°C
22nd Jul 2025255 AMAQI
22nd Jul 2025256 AMAQI
22nd Jul 2025277 AMAQI
22nd Jul 2025288 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20253011 AMAQI
22nd Jul 20253312 PMAQI
22nd Jul 2025341 PMAQI
22nd Jul 2025322 PMAQI
22nd Jul 2025303 PMAQI
22nd Jul 2025294 PMAQI
22nd Jul 2025275 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025267 PMAQI
22nd Jul 2025268 PMAQI
22nd Jul 2025269 PMAQI
22nd Jul 20252710 PMAQI
22nd Jul 20252711 PMAQI
23rd Jul 20252612 AMAQI
23rd Jul 2025241 AMAQI
23rd Jul 2025242 AMAQI
23rd Jul 2025243 AMAQI
23rd Jul 2025244 AMAQI
20°C14/27°C
23rd Jul 2025265 AMAQI
23rd Jul 2025286 AMAQI
23rd Jul 2025287 AMAQI
23rd Jul 2025278 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20252710 AMAQI
23rd Jul 20252711 AMAQI
23rd Jul 20252712 PMAQI
23rd Jul 2025291 PMAQI
23rd Jul 2025312 PMAQI
23rd Jul 2025303 PMAQI
23rd Jul 2025294 PMAQI
23rd Jul 2025285 PMAQI
23rd Jul 2025286 PMAQI
23rd Jul 2025277 PMAQI
23rd Jul 2025278 PMAQI
23rd Jul 2025269 PMAQI
23rd Jul 20252710 PMAQI
23rd Jul 20252711 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025261 AMAQI
24th Jul 2025262 AMAQI
24th Jul 2025263 AMAQI
24th Jul 2025264 AMAQI
24°C17/31°C
24th Jul 2025275 AMAQI
24th Jul 2025256 AMAQI
24th Jul 2025267 AMAQI
24th Jul 2025268 AMAQI
24th Jul 2025289 AMAQI
24th Jul 20252710 AMAQI
24th Jul 20252811 AMAQI
24th Jul 20252812 PMAQI
24th Jul 2025291 PMAQI
24th Jul 2025302 PMAQI
24th Jul 2025303 PMAQI
24th Jul 2025294 PMAQI
24th Jul 2025285 PMAQI
24th Jul 2025286 PMAQI
24th Jul 2025287 PMAQI
24th Jul 2025288 PMAQI
24th Jul 2025269 PMAQI
24th Jul 20252610 PMAQI
24th Jul 20252411 PMAQI
25th Jul 20252412 AMAQI
25th Jul 2025201 AMAQI
25th Jul 2025222 AMAQI
25th Jul 2025223 AMAQI
25th Jul 2025214 AMAQI
25°C18/32°C
25th Jul 2025195 AMAQI
25th Jul 2025196 AMAQI
25th Jul 2025197 AMAQI
25th Jul 2025188 AMAQI
25th Jul 2025199 AMAQI
25th Jul 20252010 AMAQI
25th Jul 20251911 AMAQI
25th Jul 20251812 PMAQI
25th Jul 2025191 PMAQI
25th Jul 2025182 PMAQI
25th Jul 2025183 PMAQI
25th Jul 2025184 PMAQI
25th Jul 2025195 PMAQI
25th Jul 2025236 PMAQI
25th Jul 2025217 PMAQI
25th Jul 2025208 PMAQI
25th Jul 2025189 PMAQI
25th Jul 20251810 PMAQI
25th Jul 20251811 PMAQI
26th Jul 20251812 AMAQI
26th Jul 2025161 AMAQI
26th Jul 2025162 AMAQI
26th Jul 2025163 AMAQI
26th Jul 2025164 AMAQI
23°C16/30°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 2025161 PMAQI
26th Jul 2025162 PMAQI
26th Jul 2025163 PMAQI
26th Jul 2025164 PMAQI
26th Jul 2025165 PMAQI
26th Jul 2025166 PMAQI
26th Jul 2025177 PMAQI
26th Jul 2025188 PMAQI
26th Jul 2025179 PMAQI
26th Jul 20251610 PMAQI
26th Jul 20251711 PMAQI
27th Jul 20251712 AMAQI
27th Jul 2025161 AMAQI
27th Jul 2025172 AMAQI
27th Jul 2025153 AMAQI
27th Jul 2025184 AMAQI
21°C13/29°C
27th Jul 2025165 AMAQI
27th Jul 2025156 AMAQI
27th Jul 2025177 AMAQI
27th Jul 2025178 AMAQI
27th Jul 2025179 AMAQI
27th Jul 20251610 AMAQI
27th Jul 20251611 AMAQI
27th Jul 20251612 PMAQI
27th Jul 2025161 PMAQI
27th Jul 2025162 PMAQI
27th Jul 2025163 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 20251612 AMAQI
28th Jul 2025161 AMAQI
28th Jul 2025162 AMAQI
28th Jul 2025153 AMAQI
28th Jul 2025164 AMAQI
22°C16/30°C
28th Jul 2025165 AMAQI
28th Jul 2025176 AMAQI
28th Jul 2025187 AMAQI
28th Jul 2025188 AMAQI
28th Jul 2025189 AMAQI
28th Jul 20251710 AMAQI
28th Jul 20251611 AMAQI
28th Jul 20251812 PMAQI
28th Jul 2025171 PMAQI
28th Jul 2025162 PMAQI
28th Jul 2025183 PMAQI
28th Jul 2025194 PMAQI
28th Jul 2025185 PMAQI
28th Jul 2025176 PMAQI
28th Jul 2025187 PMAQI
28th Jul 2025188 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°C16/33°C
29th Jul 2025185 AMAQI
29th Jul 2025186 AMAQI
29th Jul 2025187 AMAQI
29th Jul 2025188 AMAQI
29th Jul 2025189 AMAQI
29th Jul 20251910 AMAQI
29th Jul 20252011 AMAQI
29th Jul 20252112 PMAQI
29th Jul 2025211 PMAQI
29th Jul 2025222 PMAQI
29th Jul 2025203 PMAQI
29th Jul 2025204 PMAQI
29th Jul 2025205 PMAQI
29th Jul 2025196 PMAQI
29th Jul 2025207 PMAQI
29th Jul 2025218 PMAQI
29th Jul 2025199 PMAQI
29th Jul 20252010 PMAQI
29th Jul 20252011 PMAQI
30th Jul 20252112 AMAQI
30th Jul 2025201 AMAQI
30th Jul 2025202 AMAQI
30th Jul 2025203 AMAQI
30th Jul 2025184 AMAQI
27°C18/35°C
30th Jul 2025205 AMAQI
30th Jul 2025206 AMAQI
30th Jul 2025207 AMAQI
30th Jul 2025208 AMAQI
30th Jul 2025199 AMAQI
30th Jul 20251910 AMAQI
30th Jul 20252111 AMAQI
30th Jul 20252112 PMAQI
30th Jul 2025211 PMAQI
30th Jul 2025222 PMAQI
30th Jul 2025223 PMAQI
30th Jul 2025224 PMAQI
30th Jul 2025225 PMAQI
30th Jul 2025226 PMAQI
30th Jul 2025227 PMAQI
30th Jul 2025228 PMAQI
30th Jul 2025249 PMAQI
30th Jul 20252210 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252412 AMAQI
31st Jul 2025241 AMAQI
31st Jul 2025252 AMAQI
31st Jul 2025243 AMAQI
31st Jul 2025254 AMAQI
28°C19/36°C
31st Jul 2025255 AMAQI
31st Jul 2025266 AMAQI
31st Jul 2025257 AMAQI
31st Jul 2025268 AMAQI
31st Jul 2025289 AMAQI
31st Jul 20252910 AMAQI
31st Jul 20252911 AMAQI
31st Jul 20253012 PMAQI
31st Jul 2025321 PMAQI
31st Jul 2025302 PMAQI
31st Jul 2025313 PMAQI
31st Jul 2025294 PMAQI
31st Jul 2025305 PMAQI
31st Jul 2025296 PMAQI
31st Jul 2025287 PMAQI
31st Jul 2025328 PMAQI
31st Jul 2025349 PMAQI
31st Jul 20253410 PMAQI
31st Jul 20253111 PMAQI
1st Aug 20253712 AMAQI
1st Aug 2025381 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025303 AMAQI
1st Aug 2025284 AMAQI
26°C19/33°C
1st Aug 2025305 AMAQI
1st Aug 2025326 AMAQI
1st Aug 2025317 AMAQI
1st Aug 2025338 AMAQI
1st Aug 2025329 AMAQI
1st Aug 20253310 AMAQI
1st Aug 20253711 AMAQI
1st Aug 20253712 PMAQI
1st Aug 2025421 PMAQI
1st Aug 2025422 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025585 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025367 PMAQI
1st Aug 2025468 PMAQI
1st Aug 2025559 PMAQI
1st Aug 20255310 PMAQI
1st Aug 20255411 PMAQI
2nd Aug 20255312 AMAQI
2nd Aug 2025511 AMAQI
2nd Aug 2025572 AMAQI
2nd Aug 2025503 AMAQI
2nd Aug 2025474 AMAQI
22°C20/26°C
2nd Aug 2025445 AMAQI
2nd Aug 2025386 AMAQI
2nd Aug 2025367 AMAQI
2nd Aug 2025348 AMAQI
2nd Aug 2025379 AMAQI
2nd Aug 20254410 AMAQI
2nd Aug 20254911 AMAQI
2nd Aug 20255512 PMAQI
2nd Aug 2025581 PMAQI
2nd Aug 2025622 PMAQI
2nd Aug 2025633 PMAQI
2nd Aug 2025604 PMAQI
2nd Aug 2025595 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025488 PMAQI
2nd Aug 2025459 PMAQI
2nd Aug 20253810 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20254212 AMAQI
3rd Aug 2025411 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025403 AMAQI
3rd Aug 2025394 AMAQI
24°C18/31°C
3rd Aug 2025435 AMAQI
3rd Aug 2025416 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025448 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20254110 AMAQI
3rd Aug 20253511 AMAQI
3rd Aug 20253112 PMAQI
3rd Aug 2025281 PMAQI
3rd Aug 2025242 PMAQI
3rd Aug 2025223 PMAQI
3rd Aug 2025214 PMAQI
3rd Aug 2025235 PMAQI
3rd Aug 2025246 PMAQI
3rd Aug 2025397 PMAQI
3rd Aug 2025348 PMAQI
3rd Aug 2025319 PMAQI
3rd Aug 20253010 PMAQI
3rd Aug 20252611 PMAQI
4th Aug 20252612 AMAQI
4th Aug 2025241 AMAQI
4th Aug 2025242 AMAQI
4th Aug 2025233 AMAQI
4th Aug 2025244 AMAQI
22°C15/31°C
4th Aug 2025225 AMAQI
4th Aug 2025226 AMAQI
4th Aug 2025237 AMAQI
4th Aug 2025238 AMAQI
4th Aug 2025229 AMAQI
4th Aug 20252310 AMAQI
4th Aug 20252211 AMAQI
4th Aug 20252212 PMAQI
4th Aug 2025211 PMAQI
4th Aug 2025242 PMAQI
4th Aug 2025223 PMAQI
4th Aug 2025234 PMAQI
4th Aug 2025225 PMAQI
4th Aug 2025226 PMAQI
4th Aug 2025227 PMAQI
4th Aug 2025248 PMAQI
4th Aug 2025249 PMAQI
4th Aug 20252410 PMAQI
4th Aug 20252411 PMAQI
5th Aug 20252512 AMAQI
5th Aug 2025231 AMAQI
5th Aug 2025252 AMAQI
5th Aug 2025243 AMAQI
5th Aug 2025264 AMAQI
19°C13/26°C
5th Aug 2025245 AMAQI
5 AM12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
25AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
25AQI
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. 25), while the lowest AQI was between 5 AM to 8 PM (Avg. 25).
Night time
Avg. Highest Time
12 AM - 11 PM
24AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 4 AM
24AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 24), while the lowest AQI was between 12 AM to 4 AM (Avg. 24).
2025 Days Vs Air Quality
W Main St, Walla Walla, Washington, United States
2025
100%
216
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
216 DaysModerate
0 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% 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
W Main St, 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
30AQI
30AQI
2nd January 2025
27AQI
27AQI
3rd January 2025
21AQI
21AQI
4th January 2025
21AQI
21AQI
5th January 2025
20AQI
20AQI
6th January 2025
20AQI
20AQI
7th January 2025
22AQI
22AQI
8th January 2025
22AQI
22AQI
9th January 2025
22AQI
22AQI
10th January 2025
20AQI
20AQI
11th January 2025
18AQI
18AQI
12th January 2025
20AQI
20AQI
13th January 2025
24AQI
24AQI
14th January 2025
28AQI
28AQI
15th January 2025
31AQI
31AQI
16th January 2025
24AQI
24AQI
17th January 2025
31AQI
31AQI
18th January 2025
30AQI
30AQI
19th January 2025
24AQI
24AQI
20th January 2025
24AQI
24AQI
21st January 2025
32AQI
32AQI
22nd January 2025
32AQI
32AQI
23rd January 2025
40AQI
40AQI
24th January 2025
41AQI
41AQI
25th January 2025
26AQI
26AQI
26th January 2025
28AQI
28AQI
27th January 2025
30AQI
30AQI
28th January 2025
33AQI
33AQI
29th January 2025
41AQI
41AQI
30th January 2025
45AQI
45AQI
31st January 2025
29AQI
29AQI
1st February 2025
16AQI
16AQI
2nd February 2025
22AQI
22AQI
3rd February 2025
21AQI
21AQI
4th February 2025
22AQI
22AQI
5th February 2025
20AQI
20AQI
6th February 2025
25AQI
25AQI
7th February 2025
25AQI
25AQI
8th February 2025
24AQI
24AQI
9th February 2025
29AQI
29AQI
10th February 2025
23AQI
23AQI
11th February 2025
23AQI
23AQI
12th February 2025
25AQI
25AQI
13th February 2025
31AQI
31AQI
14th February 2025
27AQI
27AQI
15th February 2025
22AQI
22AQI
16th February 2025
30AQI
30AQI
17th February 2025
30AQI
30AQI
18th February 2025
29AQI
29AQI
19th February 2025
21AQI
21AQI
20th February 2025
21AQI
21AQI
21st February 2025
19AQI
19AQI
22nd February 2025
24AQI
24AQI
23rd February 2025
16AQI
16AQI
24th February 2025
17AQI
17AQI
25th February 2025
18AQI
18AQI
26th February 2025
20AQI
20AQI
27th February 2025
21AQI
21AQI
28th February 2025
20AQI
20AQI
1st March 2025
25AQI
25AQI
2nd March 2025
22AQI
22AQI
3rd March 2025
17AQI
17AQI
4th March 2025
18AQI
18AQI
5th March 2025
16AQI
16AQI
6th March 2025
18AQI
18AQI
7th March 2025
18AQI
18AQI
8th March 2025
19AQI
19AQI
9th March 2025
21AQI
21AQI
10th March 2025
17AQI
17AQI
11th March 2025
16AQI
16AQI
12th March 2025
17AQI
17AQI
13th March 2025
16AQI
16AQI
14th March 2025
15AQI
15AQI
15th March 2025
15AQI
15AQI
16th March 2025
14AQI
14AQI
17th March 2025
14AQI
14AQI
18th March 2025
14AQI
14AQI
19th March 2025
16AQI
16AQI
20th March 2025
16AQI
16AQI
21st March 2025
15AQI
15AQI
22nd March 2025
15AQI
15AQI
23rd March 2025
15AQI
15AQI
24th March 2025
15AQI
15AQI
25th March 2025
20AQI
20AQI
26th March 2025
21AQI
21AQI
27th March 2025
17AQI
17AQI
28th March 2025
17AQI
17AQI
29th March 2025
14AQI
14AQI
30th March 2025
15AQI
15AQI
31st March 2025
16AQI
16AQI
1st April 2025
16AQI
16AQI
2nd April 2025
19AQI
19AQI
3rd April 2025
16AQI
16AQI
4th April 2025
17AQI
17AQI
5th April 2025
18AQI
18AQI
6th April 2025
17AQI
17AQI
7th April 2025
18AQI
18AQI
8th April 2025
13AQI
13AQI
9th April 2025
12AQI
12AQI
10th April 2025
15AQI
15AQI
11th April 2025
15AQI
15AQI
12th April 2025
16AQI
16AQI
13th April 2025
19AQI
19AQI
14th April 2025
19AQI
19AQI
15th April 2025
22AQI
22AQI
16th April 2025
21AQI
21AQI
17th April 2025
16AQI
16AQI
18th April 2025
17AQI
17AQI
19th April 2025
18AQI
18AQI
20th April 2025
18AQI
18AQI
21st April 2025
13AQI
13AQI
22nd April 2025
13AQI
13AQI
23rd April 2025
15AQI
15AQI
24th April 2025
23AQI
23AQI
25th April 2025
21AQI
21AQI
26th April 2025
24AQI
24AQI
27th April 2025
26AQI
26AQI
28th April 2025
17AQI
17AQI
29th April 2025
14AQI
14AQI
30th April 2025
16AQI
16AQI
1st May 2025
16AQI
16AQI
2nd May 2025
19AQI
19AQI
3rd May 2025
15AQI
15AQI
4th May 2025
13AQI
13AQI
5th May 2025
13AQI
13AQI
6th May 2025
15AQI
15AQI
7th May 2025
15AQI
15AQI
8th May 2025
15AQI
15AQI
9th May 2025
16AQI
16AQI
10th May 2025
17AQI
17AQI
11th May 2025
16AQI
16AQI
12th May 2025
14AQI
14AQI
13th May 2025
13AQI
13AQI
14th May 2025
15AQI
15AQI
15th May 2025
16AQI
16AQI
16th May 2025
12AQI
12AQI
17th May 2025
13AQI
13AQI
18th May 2025
12AQI
12AQI
19th May 2025
13AQI
13AQI
20th May 2025
12AQI
12AQI
21st May 2025
12AQI
12AQI
22nd May 2025
16AQI
16AQI
23rd May 2025
16AQI
16AQI
24th May 2025
16AQI
16AQI
25th May 2025
18AQI
18AQI
26th May 2025
17AQI
17AQI
27th May 2025
14AQI
14AQI
28th May 2025
15AQI
15AQI
29th May 2025
15AQI
15AQI
30th May 2025
14AQI
14AQI
31st May 2025
17AQI
17AQI
1st June 2025
14AQI
14AQI
2nd June 2025
13AQI
13AQI
3rd June 2025
15AQI
15AQI
4th June 2025
17AQI
17AQI
5th June 2025
18AQI
18AQI
6th June 2025
18AQI
18AQI
7th June 2025
19AQI
19AQI
8th June 2025
21AQI
21AQI
9th June 2025
22AQI
22AQI
10th June 2025
24AQI
24AQI
11th June 2025
24AQI
24AQI
12th June 2025
32AQI
32AQI
13th June 2025
22AQI
22AQI
14th June 2025
18AQI
18AQI
15th June 2025
19AQI
19AQI
16th June 2025
20AQI
20AQI
17th June 2025
21AQI
21AQI
18th June 2025
16AQI
16AQI
19th June 2025
16AQI
16AQI
20th June 2025
16AQI
16AQI
21st June 2025
13AQI
13AQI
22nd June 2025
13AQI
13AQI
23rd June 2025
19AQI
19AQI
24th June 2025
31AQI
31AQI
25th June 2025
32AQI
32AQI
26th June 2025
18AQI
18AQI
27th June 2025
14AQI
14AQI
28th June 2025
14AQI
14AQI
29th June 2025
14AQI
14AQI
30th June 2025
17AQI
17AQI
1st July 2025
20AQI
20AQI
2nd July 2025
23AQI
23AQI
3rd July 2025
18AQI
18AQI
4th July 2025
17AQI
17AQI
5th July 2025
22AQI
22AQI
6th July 2025
18AQI
18AQI
7th July 2025
19AQI
19AQI
8th July 2025
20AQI
20AQI
9th July 2025
18AQI
18AQI
10th July 2025
15AQI
15AQI
11th July 2025
17AQI
17AQI
12th July 2025
19AQI
19AQI
13th July 2025
19AQI
19AQI
14th July 2025
20AQI
20AQI
15th July 2025
19AQI
19AQI
16th July 2025
25AQI
25AQI
17th July 2025
35AQI
35AQI
18th July 2025
27AQI
27AQI
19th July 2025
31AQI
31AQI
20th July 2025
34AQI
34AQI
21st July 2025
27AQI
27AQI
22nd July 2025
27AQI
27AQI
23rd July 2025
27AQI
27AQI
24th July 2025
27AQI
27AQI
25th July 2025
20AQI
20AQI
26th July 2025
16AQI
16AQI
27th July 2025
16AQI
16AQI
28th July 2025
17AQI
17AQI
29th July 2025
19AQI
19AQI
30th July 2025
21AQI
21AQI
31st July 2025
28AQI
28AQI
1st August 2025
41AQI
41AQI
2nd August 2025
49AQI
49AQI
3rd August 2025
35AQI
35AQI
4th August 2025
23AQI
23AQI
28AQI
23AQI
17AQI
17AQI
15AQI
19AQI
22AQI
37AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202520AQI
31
28
31
30
31
30
31
4
216
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
May15AQI
202418AQI
24
4
29
31
30
31
29
28
3
30
1
15
31
28
2
31
337
10
Highest AQI recorded in
January28AQI
Lowest AQI recorded in
May6AQI
202324AQI
31
27
1
30
30
28
3
29
1
31
25
4
1
1
30
30
1
28
1
31
350
11
1
1
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
April13AQI
202222AQI
30
21
31
30
31
30
21
1
20
5
3
1
25
6
21
9
29
2
290
22
3
1
Highest AQI recorded in
September46AQI
Lowest AQI recorded in
May7AQI
202125AQI
28
2
26
31
30
31
30
22
7
2
19
7
3
2
25
5
31
28
2
31
332
23
5
2
Highest AQI recorded in
August61AQI
Lowest AQI recorded in
May13AQI
202027AQI
13
20
18
30
31
28
18
4
1
5
2
29
1
30
29
2
246
7
1
5
2
Highest AQI recorded in
September75AQI
Lowest AQI recorded in
May12AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
27AQILeast Polluted Year Recorded
2024(Avg.)
18AQIW Main St's annual 2025 AQI (20) shows an average percentage change of -10.9% (improved AQI) compared to previous years: 2020 (27), 2021 (25), 2022 (22), 2023 (24), 2024 (18).
