La Grande, 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+
August Air Quality Analysis
La Grande, Oregon, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
14th Aug 2021
159AQILowest AQI recorded on
8th Aug 2021
13AQISame Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 20 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: 11th Aug - 12th Aug 2025
La Grande, Oregon, United States
AQI
Day
Night
.
5 AM11th Aug 2025
8 PM
4 AM12th Aug 2025
Day time
Avg. Highest Time
12PM11th Aug
30AQI
Avg. Lowest Time
6PM11th Aug
21AQI
Night time
Avg. Highest Time
4AM12th Aug
29AQI
Avg. Lowest Time
11PM11th Aug
19AQI
In the last 24 hours,
La Grande's AQI reached its highest point of 30 at 12 PM during the Day, while the lowest point, 19, was recorded at 11 PM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
La Grande, Oregon, United States
JulAug
13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th
Day
Night
13th Jul 2025305 AMAQI
13th Jul 2025286 AMAQI
13th Jul 2025307 AMAQI
13th Jul 2025298 AMAQI
13th Jul 2025299 AMAQI
13th Jul 20252910 AMAQI
13th Jul 20252911 AMAQI
13th Jul 20252812 PMAQI
13th Jul 2025271 PMAQI
13th Jul 2025282 PMAQI
13th Jul 2025293 PMAQI
13th Jul 2025284 PMAQI
13th Jul 2025255 PMAQI
13th Jul 2025246 PMAQI
13th Jul 2025277 PMAQI
13th Jul 2025268 PMAQI
13th Jul 2025309 PMAQI
13th Jul 20253010 PMAQI
13th Jul 20252911 PMAQI
14th Jul 20253212 AMAQI
14th Jul 2025311 AMAQI
14th Jul 2025312 AMAQI
14th Jul 2025313 AMAQI
14th Jul 2025304 AMAQI
24°C16/33°C
14th Jul 2025295 AMAQI
14th Jul 2025276 AMAQI
14th Jul 2025277 AMAQI
14th Jul 2025278 AMAQI
14th Jul 2025279 AMAQI
14th Jul 20252610 AMAQI
14th Jul 20252711 AMAQI
14th Jul 20252712 PMAQI
14th Jul 2025241 PMAQI
14th Jul 2025232 PMAQI
14th Jul 2025253 PMAQI
14th Jul 2025234 PMAQI
14th Jul 2025235 PMAQI
14th Jul 2025226 PMAQI
14th Jul 2025247 PMAQI
14th Jul 2025248 PMAQI
14th Jul 2025219 PMAQI
14th Jul 20252110 PMAQI
14th Jul 20252111 PMAQI
15th Jul 20252012 AMAQI
15th Jul 2025211 AMAQI
15th Jul 2025222 AMAQI
15th Jul 2025233 AMAQI
15th Jul 2025204 AMAQI
23°C15/33°C
15th Jul 2025205 AMAQI
15th Jul 2025216 AMAQI
15th Jul 2025217 AMAQI
15th Jul 2025228 AMAQI
15th Jul 2025239 AMAQI
15th Jul 20252210 AMAQI
15th Jul 20252411 AMAQI
15th Jul 20252412 PMAQI
15th Jul 2025241 PMAQI
15th Jul 2025232 PMAQI
15th Jul 2025223 PMAQI
15th Jul 2025224 PMAQI
15th Jul 2025225 PMAQI
15th Jul 2025216 PMAQI
15th Jul 2025217 PMAQI
15th Jul 2025218 PMAQI
15th Jul 2025219 PMAQI
15th Jul 20252010 PMAQI
15th Jul 20252211 PMAQI
16th Jul 20252112 AMAQI
16th Jul 2025231 AMAQI
16th Jul 2025232 AMAQI
16th Jul 2025223 AMAQI
16th Jul 2025224 AMAQI
19°C10/26°C
16th Jul 2025245 AMAQI
16th Jul 2025236 AMAQI
16th Jul 2025237 AMAQI
16th Jul 2025258 AMAQI
16th Jul 2025249 AMAQI
16th Jul 20252610 AMAQI
16th Jul 20252611 AMAQI
16th Jul 20252412 PMAQI
16th Jul 2025261 PMAQI
16th Jul 2025262 PMAQI
16th Jul 2025263 PMAQI
16th Jul 2025264 PMAQI
16th Jul 2025265 PMAQI
16th Jul 2025266 PMAQI
16th Jul 2025247 PMAQI
16th Jul 2025258 PMAQI
16th Jul 2025269 PMAQI
16th Jul 20252710 PMAQI
16th Jul 20252611 PMAQI
17th Jul 20252712 AMAQI
17th Jul 2025291 AMAQI
17th Jul 2025302 AMAQI
17th Jul 2025313 AMAQI
17th Jul 2025354 AMAQI
20°C10/28°C
17th Jul 2025345 AMAQI
17th Jul 2025356 AMAQI
17th Jul 2025367 AMAQI
17th Jul 2025368 AMAQI
17th Jul 2025369 AMAQI
17th Jul 20253910 AMAQI
17th Jul 20254211 AMAQI
17th Jul 20254412 PMAQI
17th Jul 2025411 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025343 PMAQI
17th Jul 2025324 PMAQI
17th Jul 2025315 PMAQI
17th Jul 2025306 PMAQI
17th Jul 2025327 PMAQI
17th Jul 2025328 PMAQI
17th Jul 2025309 PMAQI
17th Jul 20252810 PMAQI
17th Jul 20253011 PMAQI
18th Jul 20253012 AMAQI
18th Jul 2025301 AMAQI
18th Jul 2025322 AMAQI
18th Jul 2025333 AMAQI
18th Jul 2025314 AMAQI
21°C13/30°C
18th Jul 2025325 AMAQI
18th Jul 2025316 AMAQI
18th Jul 2025327 AMAQI
18th Jul 2025348 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253310 AMAQI
18th Jul 20253611 AMAQI
18th Jul 20253712 PMAQI
18th Jul 2025341 PMAQI
18th Jul 2025352 PMAQI
18th Jul 2025383 PMAQI
18th Jul 2025394 PMAQI
18th Jul 2025385 PMAQI
18th Jul 2025366 PMAQI
18th Jul 2025337 PMAQI
18th Jul 2025348 PMAQI
18th Jul 2025369 PMAQI
18th Jul 20253510 PMAQI
18th Jul 20253511 PMAQI
19th Jul 20254112 AMAQI
19th Jul 2025501 AMAQI
19th Jul 2025562 AMAQI
19th Jul 2025503 AMAQI
19th Jul 2025504 AMAQI
22°C13/32°C
19th Jul 2025445 AMAQI
19th Jul 2025386 AMAQI
19th Jul 2025357 AMAQI
19th Jul 2025358 AMAQI
19th Jul 2025359 AMAQI
19th Jul 20253410 AMAQI
19th Jul 20253311 AMAQI
19th Jul 20253112 PMAQI
19th Jul 2025291 PMAQI
19th Jul 2025282 PMAQI
19th Jul 2025303 PMAQI
19th Jul 2025294 PMAQI
19th Jul 2025285 PMAQI
19th Jul 2025276 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025328 PMAQI
19th Jul 2025279 PMAQI
19th Jul 20252810 PMAQI
19th Jul 20252911 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025441 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025393 AMAQI
20th Jul 2025474 AMAQI
19°C11/28°C
20th Jul 2025485 AMAQI
20th Jul 2025486 AMAQI
20th Jul 2025467 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025429 AMAQI
20th Jul 20253610 AMAQI
20th Jul 20253311 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025283 PMAQI
20th Jul 2025274 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025236 PMAQI
20th Jul 2025267 PMAQI
20th Jul 2025298 PMAQI
20th Jul 2025289 PMAQI
20th Jul 20252910 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20252612 AMAQI
21st Jul 2025251 AMAQI
21st Jul 2025252 AMAQI
21st Jul 2025233 AMAQI
21st Jul 2025214 AMAQI
18°C11/25°C
21st Jul 2025195 AMAQI
21st Jul 2025196 AMAQI
21st Jul 2025227 AMAQI
21st Jul 2025308 AMAQI
21st Jul 2025379 AMAQI
21st Jul 20253910 AMAQI
21st Jul 20253611 AMAQI
21st Jul 20254312 PMAQI
21st Jul 2025411 PMAQI
21st Jul 2025352 PMAQI
21st Jul 2025333 PMAQI
21st Jul 2025304 PMAQI
21st Jul 2025295 PMAQI
21st Jul 2025266 PMAQI
21st Jul 2025257 PMAQI
21st Jul 2025248 PMAQI
21st Jul 2025229 PMAQI
21st Jul 20252210 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252212 AMAQI
22nd Jul 2025231 AMAQI
22nd Jul 2025232 AMAQI
22nd Jul 2025243 AMAQI
22nd Jul 2025244 AMAQI
16°C12/21°C
22nd Jul 2025245 AMAQI
22nd Jul 2025286 AMAQI
22nd Jul 2025297 AMAQI
22nd Jul 2025308 AMAQI
22nd Jul 2025329 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20253611 AMAQI
22nd Jul 20253712 PMAQI
22nd Jul 2025381 PMAQI
22nd Jul 2025372 PMAQI
22nd Jul 2025343 PMAQI
22nd Jul 2025314 PMAQI
22nd Jul 2025285 PMAQI
22nd Jul 2025276 PMAQI
22nd Jul 2025277 PMAQI
22nd Jul 2025278 PMAQI
22nd Jul 2025279 PMAQI
22nd Jul 20252710 PMAQI
22nd Jul 20252711 PMAQI
23rd Jul 20252612 AMAQI
23rd Jul 2025271 AMAQI
23rd Jul 2025272 AMAQI
23rd Jul 2025273 AMAQI
23rd Jul 2025254 AMAQI
17°C7/24°C
23rd Jul 2025265 AMAQI
23rd Jul 2025286 AMAQI
23rd Jul 2025287 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20253110 AMAQI
23rd Jul 20253311 AMAQI
23rd Jul 20253212 PMAQI
23rd Jul 2025331 PMAQI
23rd Jul 2025322 PMAQI
23rd Jul 2025323 PMAQI
23rd Jul 2025304 PMAQI
23rd Jul 2025295 PMAQI
23rd Jul 2025276 PMAQI
23rd Jul 2025277 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025279 PMAQI
23rd Jul 20252810 PMAQI
23rd Jul 20252711 PMAQI
24th Jul 20252712 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025282 AMAQI
24th Jul 2025293 AMAQI
24th Jul 2025294 AMAQI
21°C12/28°C
24th Jul 2025315 AMAQI
24th Jul 2025316 AMAQI
24th Jul 2025327 AMAQI
24th Jul 2025318 AMAQI
24th Jul 2025339 AMAQI
24th Jul 20253210 AMAQI
24th Jul 20253611 AMAQI
24th Jul 20253812 PMAQI
24th Jul 2025381 PMAQI
24th Jul 2025372 PMAQI
24th Jul 2025363 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025335 PMAQI
24th Jul 2025336 PMAQI
24th Jul 2025327 PMAQI
24th Jul 2025308 PMAQI
24th Jul 2025289 PMAQI
24th Jul 20252710 PMAQI
24th Jul 20252711 PMAQI
25th Jul 20252712 AMAQI
25th Jul 2025271 AMAQI
25th Jul 2025282 AMAQI
25th Jul 2025273 AMAQI
25th Jul 2025264 AMAQI
22°C14/31°C
25th Jul 2025285 AMAQI
25th Jul 2025266 AMAQI
25th Jul 2025287 AMAQI
25th Jul 2025278 AMAQI
25th Jul 2025269 AMAQI
25th Jul 20252510 AMAQI
25th Jul 20252311 AMAQI
25th Jul 20252412 PMAQI
25th Jul 2025221 PMAQI
25th Jul 2025222 PMAQI
25th Jul 2025233 PMAQI
25th Jul 2025224 PMAQI
25th Jul 2025215 PMAQI
25th Jul 2025216 PMAQI
25th Jul 2025257 PMAQI
25th Jul 2025258 PMAQI
25th Jul 2025209 PMAQI
25th Jul 20251910 PMAQI
25th Jul 20251811 PMAQI
26th Jul 20251912 AMAQI
26th Jul 2025181 AMAQI
26th Jul 2025202 AMAQI
26th Jul 2025223 AMAQI
26th Jul 2025234 AMAQI
21°C12/30°C
26th Jul 2025205 AMAQI
26th Jul 2025196 AMAQI
26th Jul 2025187 AMAQI
26th Jul 2025188 AMAQI
26th Jul 2025189 AMAQI
26th Jul 20251910 AMAQI
26th Jul 20251811 AMAQI
26th Jul 20251712 PMAQI
26th Jul 2025181 PMAQI
26th Jul 2025182 PMAQI
26th Jul 2025193 PMAQI
26th Jul 2025184 PMAQI
26th Jul 2025185 PMAQI
26th Jul 2025196 PMAQI
26th Jul 2025187 PMAQI
26th Jul 2025198 PMAQI
26th Jul 2025199 PMAQI
26th Jul 20253110 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20254012 AMAQI
27th Jul 2025371 AMAQI
27th Jul 2025252 AMAQI
27th Jul 2025193 AMAQI
27th Jul 2025184 AMAQI
19°C11/28°C
27th Jul 2025175 AMAQI
27th Jul 2025176 AMAQI
27th Jul 2025187 AMAQI
27th Jul 2025188 AMAQI
27th Jul 2025189 AMAQI
27th Jul 20251810 AMAQI
27th Jul 20251811 AMAQI
27th Jul 20251912 PMAQI
27th Jul 2025171 PMAQI
27th Jul 2025182 PMAQI
27th Jul 2025193 PMAQI
27th Jul 2025184 PMAQI
27th Jul 2025195 PMAQI
27th Jul 2025196 PMAQI
27th Jul 2025187 PMAQI
27th Jul 2025188 PMAQI
27th Jul 2025189 PMAQI
27th Jul 20251810 PMAQI
27th Jul 20251811 PMAQI
28th Jul 20251812 AMAQI
28th Jul 2025191 AMAQI
28th Jul 2025192 AMAQI
28th Jul 2025173 AMAQI
28th Jul 2025174 AMAQI
20°C11/29°C
28th Jul 2025175 AMAQI
28th Jul 2025186 AMAQI
28th Jul 2025187 AMAQI
28th Jul 2025198 AMAQI
28th Jul 2025209 AMAQI
28th Jul 20251910 AMAQI
28th Jul 20251911 AMAQI
28th Jul 20251912 PMAQI
28th Jul 2025191 PMAQI
28th Jul 2025192 PMAQI
28th Jul 2025203 PMAQI
28th Jul 2025214 PMAQI
28th Jul 2025235 PMAQI
28th Jul 2025266 PMAQI
28th Jul 2025207 PMAQI
28th Jul 2025208 PMAQI
28th Jul 2025229 PMAQI
28th Jul 20252010 PMAQI
28th Jul 20252111 PMAQI
29th Jul 20252012 AMAQI
29th Jul 2025211 AMAQI
29th Jul 2025202 AMAQI
29th Jul 2025203 AMAQI
29th Jul 2025204 AMAQI
22°C13/31°C
29th Jul 2025185 AMAQI
29th Jul 2025196 AMAQI
29th Jul 2025197 AMAQI
29th Jul 2025218 AMAQI
29th Jul 2025219 AMAQI
29th Jul 20252210 AMAQI
29th Jul 20252311 AMAQI
29th Jul 20252512 PMAQI
29th Jul 2025261 PMAQI
29th Jul 2025232 PMAQI
29th Jul 2025223 PMAQI
29th Jul 2025214 PMAQI
29th Jul 2025205 PMAQI
29th Jul 2025206 PMAQI
29th Jul 2025207 PMAQI
29th Jul 2025218 PMAQI
29th Jul 2025209 PMAQI
29th Jul 20252110 PMAQI
29th Jul 20252111 PMAQI
30th Jul 20252212 AMAQI
30th Jul 2025221 AMAQI
30th Jul 2025242 AMAQI
30th Jul 2025253 AMAQI
30th Jul 2025244 AMAQI
23°C14/32°C
30th Jul 2025225 AMAQI
30th Jul 2025236 AMAQI
30th Jul 2025227 AMAQI
30th Jul 2025238 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20252610 AMAQI
30th Jul 20253011 AMAQI
30th Jul 20252812 PMAQI
30th Jul 2025281 PMAQI
30th Jul 2025262 PMAQI
30th Jul 2025263 PMAQI
30th Jul 2025264 PMAQI
30th Jul 2025265 PMAQI
30th Jul 2025266 PMAQI
30th Jul 2025267 PMAQI
30th Jul 2025268 PMAQI
30th Jul 2025269 PMAQI
30th Jul 20252310 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252312 AMAQI
31st Jul 2025251 AMAQI
31st Jul 2025282 AMAQI
31st Jul 2025353 AMAQI
31st Jul 2025324 AMAQI
24°C16/33°C
31st Jul 2025295 AMAQI
31st Jul 2025296 AMAQI
31st Jul 2025297 AMAQI
31st Jul 2025318 AMAQI
31st Jul 2025319 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20253311 AMAQI
31st Jul 20253212 PMAQI
31st Jul 2025331 PMAQI
31st Jul 2025322 PMAQI
31st Jul 2025313 PMAQI
31st Jul 2025284 PMAQI
31st Jul 2025285 PMAQI
31st Jul 2025276 PMAQI
31st Jul 2025277 PMAQI
31st Jul 2025278 PMAQI
31st Jul 2025299 PMAQI
31st Jul 20252910 PMAQI
31st Jul 20253211 PMAQI
1st Aug 20253812 AMAQI
1st Aug 2025361 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025293 AMAQI
1st Aug 2025264 AMAQI
23°C15/30°C
1st Aug 2025265 AMAQI
1st Aug 2025286 AMAQI
1st Aug 2025267 AMAQI
1st Aug 2025268 AMAQI
1st Aug 2025309 AMAQI
1st Aug 20253010 AMAQI
1st Aug 20253211 AMAQI
1st Aug 20253312 PMAQI
1st Aug 2025311 PMAQI
1st Aug 2025322 PMAQI
1st Aug 2025363 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025415 PMAQI
1st Aug 2025416 PMAQI
1st Aug 2025307 PMAQI
1st Aug 2025368 PMAQI
1st Aug 2025409 PMAQI
1st Aug 20253810 PMAQI
1st Aug 20253811 PMAQI
2nd Aug 20254112 AMAQI
2nd Aug 2025421 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025383 AMAQI
2nd Aug 2025384 AMAQI
19°C14/25°C
2nd Aug 2025405 AMAQI
2nd Aug 2025396 AMAQI
2nd Aug 2025397 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025429 AMAQI
2nd Aug 20254510 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20254912 PMAQI
2nd Aug 2025531 PMAQI
2nd Aug 2025532 PMAQI
2nd Aug 2025543 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025535 PMAQI
2nd Aug 2025536 PMAQI
2nd Aug 2025447 PMAQI
2nd Aug 2025478 PMAQI
2nd Aug 2025509 PMAQI
2nd Aug 20255010 PMAQI
2nd Aug 20254711 PMAQI
3rd Aug 20254312 AMAQI
3rd Aug 2025401 AMAQI
3rd Aug 2025412 AMAQI
3rd Aug 2025383 AMAQI
3rd Aug 2025394 AMAQI
21°C13/30°C
3rd Aug 2025375 AMAQI
3rd Aug 2025376 AMAQI
3rd Aug 2025367 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025379 AMAQI
3rd Aug 20253710 AMAQI
3rd Aug 20253911 AMAQI
3rd Aug 20253812 PMAQI
3rd Aug 2025381 PMAQI
3rd Aug 2025352 PMAQI
3rd Aug 2025373 PMAQI
3rd Aug 2025364 PMAQI
3rd Aug 2025335 PMAQI
3rd Aug 2025336 PMAQI
3rd Aug 2025367 PMAQI
3rd Aug 2025348 PMAQI
3rd Aug 2025309 PMAQI
3rd Aug 20253210 PMAQI
3rd Aug 20254811 PMAQI
4th Aug 20254412 AMAQI
4th Aug 2025331 AMAQI
4th Aug 2025282 AMAQI
4th Aug 2025253 AMAQI
4th Aug 2025254 AMAQI
17°C11/26°C
4th Aug 2025245 AMAQI
4th Aug 2025236 AMAQI
4th Aug 2025247 AMAQI
4th Aug 2025238 AMAQI
4th Aug 2025239 AMAQI
4th Aug 20252210 AMAQI
4th Aug 20252211 AMAQI
4th Aug 20252212 PMAQI
4th Aug 2025231 PMAQI
4th Aug 2025252 PMAQI
4th Aug 2025243 PMAQI
4th Aug 2025234 PMAQI
4th Aug 2025225 PMAQI
4th Aug 2025206 PMAQI
4th Aug 2025247 PMAQI
4th Aug 2025238 PMAQI
4th Aug 2025239 PMAQI
4th Aug 20252310 PMAQI
4th Aug 20252111 PMAQI
5th Aug 20252212 AMAQI
5th Aug 2025221 AMAQI
5th Aug 2025242 AMAQI
5th Aug 2025253 AMAQI
5th Aug 2025234 AMAQI
16°C9/22°C
5th Aug 2025225 AMAQI
5th Aug 2025226 AMAQI
5th Aug 2025237 AMAQI
5th Aug 2025238 AMAQI
5th Aug 2025239 AMAQI
5th Aug 20252710 AMAQI
5th Aug 20252711 AMAQI
5th Aug 20252812 PMAQI
5th Aug 2025281 PMAQI
5th Aug 2025282 PMAQI
5th Aug 2025273 PMAQI
5th Aug 2025254 PMAQI
5th Aug 2025225 PMAQI
5th Aug 2025226 PMAQI
5th Aug 2025247 PMAQI
5th Aug 2025238 PMAQI
5th Aug 2025229 PMAQI
5th Aug 20252210 PMAQI
5th Aug 20252311 PMAQI
6th Aug 20252812 AMAQI
6th Aug 2025361 AMAQI
6th Aug 2025302 AMAQI
6th Aug 2025283 AMAQI
6th Aug 2025284 AMAQI
19°C9/27°C
6th Aug 2025295 AMAQI
6th Aug 2025276 AMAQI
6th Aug 2025257 AMAQI
6th Aug 2025278 AMAQI
6th Aug 2025299 AMAQI
6th Aug 20253110 AMAQI
6th Aug 20253311 AMAQI
6th Aug 20253512 PMAQI
6th Aug 2025381 PMAQI
6th Aug 2025382 PMAQI
6th Aug 2025353 PMAQI
6th Aug 2025364 PMAQI
6th Aug 2025315 PMAQI
6th Aug 2025326 PMAQI
6th Aug 2025277 PMAQI
6th Aug 2025278 PMAQI
6th Aug 2025269 PMAQI
6th Aug 20252610 PMAQI
6th Aug 20252311 PMAQI
7th Aug 20252312 AMAQI
7th Aug 2025241 AMAQI
7th Aug 2025232 AMAQI
7th Aug 2025203 AMAQI
7th Aug 2025194 AMAQI
18°C11/24°C
7th Aug 2025195 AMAQI
7th Aug 2025196 AMAQI
7th Aug 2025187 AMAQI
7th Aug 2025188 AMAQI
7th Aug 2025189 AMAQI
7th Aug 20251910 AMAQI
7th Aug 20251811 AMAQI
7th Aug 20251812 PMAQI
7th Aug 2025181 PMAQI
7th Aug 2025182 PMAQI
7th Aug 2025173 PMAQI
7th Aug 2025174 PMAQI
7th Aug 2025175 PMAQI
7th Aug 2025176 PMAQI
7th Aug 2025197 PMAQI
7th Aug 2025198 PMAQI
7th Aug 2025189 PMAQI
7th Aug 20251710 PMAQI
7th Aug 20251811 PMAQI
8th Aug 20251812 AMAQI
8th Aug 2025161 AMAQI
8th Aug 2025162 AMAQI
8th Aug 2025163 AMAQI
8th Aug 2025154 AMAQI
16°C9/21°C
8th Aug 2025155 AMAQI
8th Aug 2025176 AMAQI
8th Aug 2025147 AMAQI
8th Aug 2025158 AMAQI
8th Aug 2025159 AMAQI
8th Aug 20251510 AMAQI
8th Aug 20251611 AMAQI
8th Aug 20251712 PMAQI
8th Aug 2025161 PMAQI
8th Aug 2025202 PMAQI
8th Aug 2025173 PMAQI
8th Aug 2025174 PMAQI
8th Aug 2025165 PMAQI
8th Aug 2025166 PMAQI
8th Aug 2025167 PMAQI
8th Aug 2025158 PMAQI
8th Aug 2025159 PMAQI
8th Aug 20251710 PMAQI
8th Aug 20251811 PMAQI
9th Aug 20251712 AMAQI
9th Aug 2025181 AMAQI
9th Aug 2025172 AMAQI
9th Aug 2025183 AMAQI
9th Aug 2025174 AMAQI
16°C6/25°C
9th Aug 2025185 AMAQI
9th Aug 2025186 AMAQI
9th Aug 2025187 AMAQI
9th Aug 2025188 AMAQI
9th Aug 2025189 AMAQI
9th Aug 20251810 AMAQI
9th Aug 20251811 AMAQI
9th Aug 20252012 PMAQI
9th Aug 2025201 PMAQI
9th Aug 2025172 PMAQI
9th Aug 2025183 PMAQI
9th Aug 2025174 PMAQI
9th Aug 2025175 PMAQI
9th Aug 2025176 PMAQI
9th Aug 2025177 PMAQI
9th Aug 2025178 PMAQI
9th Aug 2025179 PMAQI
9th Aug 20251710 PMAQI
9th Aug 20251811 PMAQI
10th Aug 20251812 AMAQI
10th Aug 2025181 AMAQI
10th Aug 2025182 AMAQI
10th Aug 2025183 AMAQI
10th Aug 2025194 AMAQI
20°C12/28°C
10th Aug 2025205 AMAQI
10th Aug 2025206 AMAQI
10th Aug 2025207 AMAQI
10th Aug 2025198 AMAQI
10th Aug 2025209 AMAQI
10th Aug 20252210 AMAQI
10th Aug 20252511 AMAQI
10th Aug 20252312 PMAQI
10th Aug 2025221 PMAQI
10th Aug 2025222 PMAQI
10th Aug 2025223 PMAQI
10th Aug 2025214 PMAQI
10th Aug 2025205 PMAQI
10th Aug 2025206 PMAQI
10th Aug 2025217 PMAQI
10th Aug 2025198 PMAQI
10th Aug 2025189 PMAQI
10th Aug 20251810 PMAQI
10th Aug 20251811 PMAQI
11th Aug 20251812 AMAQI
11th Aug 2025171 AMAQI
11th Aug 2025192 AMAQI
11th Aug 2025223 AMAQI
11th Aug 2025234 AMAQI
22°C13/31°C
11th Aug 2025225 AMAQI
11th Aug 2025226 AMAQI
11th Aug 2025227 AMAQI
11th Aug 2025238 AMAQI
11th Aug 2025259 AMAQI
11th Aug 20252810 AMAQI
11th Aug 20252911 AMAQI
11th Aug 20253012 PMAQI
11th Aug 2025301 PMAQI
11th Aug 2025282 PMAQI
11th Aug 2025263 PMAQI
11th Aug 2025244 PMAQI
11th Aug 2025245 PMAQI
11th Aug 2025216 PMAQI
11th Aug 2025227 PMAQI
11th Aug 2025228 PMAQI
11th Aug 2025229 PMAQI
11th Aug 20252010 PMAQI
11th Aug 20251911 PMAQI
12th Aug 20252312 AMAQI
12th Aug 2025261 AMAQI
12th Aug 2025262 AMAQI
12th Aug 2025283 AMAQI
12th Aug 2025294 AMAQI
25°C15/33°C
12th Aug 2025325 AMAQI
5 AM12th Aug 2025316 AMAQI
12th Aug 2025327 AMAQI
12th Aug 2025338 AMAQI
12th Aug 2025339 AMAQI
12th Aug 20253610 AMAQI
12th Aug 20254111 AMAQI
12th Aug 20254112 PMAQI
12 PM12th Aug 2025421 PMAQI
12th Aug 2025432 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
27AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
27AQI
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. 27), while the lowest AQI was between 5 AM to 8 PM (Avg. 27).
Night time
Avg. Highest Time
12 AM - 4 AM
27AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 PM - 11 PM
25AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 27), while the lowest AQI was between 9 PM to 11 PM (Avg. 25).
2025 Days Vs Air Quality
La Grande, Oregon, United States
2025
100%
222
Total number of days with different AQI categories in last 224 days in 2025 (141 days remaining)
Good
222 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 224 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
La Grande, Oregon, 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
25AQI
25AQI
2nd January 2025
27AQI
27AQI
3rd January 2025
29AQI
29AQI
4th January 2025
27AQI
27AQI
5th January 2025
31AQI
31AQI
6th January 2025
28AQI
28AQI
7th January 2025
28AQI
28AQI
8th January 2025
28AQI
28AQI
9th January 2025
34AQI
34AQI
10th January 2025
27AQI
27AQI
11th January 2025
24AQI
24AQI
12th January 2025
24AQI
24AQI
13th January 2025
28AQI
28AQI
14th January 2025
31AQI
31AQI
15th January 2025
36AQI
36AQI
16th January 2025
35AQI
35AQI
17th January 2025
28AQI
28AQI
18th January 2025
30AQI
30AQI
19th January 2025
28AQI
28AQI
20th January 2025
26AQI
26AQI
21st January 2025
31AQI
31AQI
22nd January 2025
36AQI
36AQI
23rd January 2025
32AQI
32AQI
24th January 2025
35AQI
35AQI
25th January 2025
33AQI
33AQI
26th January 2025
34AQI
34AQI
27th January 2025
36AQI
36AQI
28th January 2025
40AQI
40AQI
29th January 2025
43AQI
43AQI
30th January 2025
45AQI
45AQI
31st January 2025
39AQI
39AQI
1st February 2025
26AQI
26AQI
2nd February 2025
31AQI
31AQI
3rd February 2025
32AQI
32AQI
4th February 2025
30AQI
30AQI
5th February 2025
24AQI
24AQI
6th February 2025
30AQI
30AQI
7th February 2025
28AQI
28AQI
8th February 2025
30AQI
30AQI
9th February 2025
33AQI
33AQI
10th February 2025
33AQI
33AQI
11th February 2025
34AQI
34AQI
12th February 2025
40AQI
40AQI
13th February 2025
33AQI
33AQI
14th February 2025
29AQI
29AQI
15th February 2025
22AQI
22AQI
16th February 2025
23AQI
23AQI
17th February 2025
31AQI
31AQI
18th February 2025
29AQI
29AQI
19th February 2025
29AQI
29AQI
20th February 2025
28AQI
28AQI
21st February 2025
23AQI
23AQI
22nd February 2025
25AQI
25AQI
23rd February 2025
22AQI
22AQI
24th February 2025
23AQI
23AQI
25th February 2025
21AQI
21AQI
26th February 2025
24AQI
24AQI
27th February 2025
24AQI
24AQI
28th February 2025
24AQI
24AQI
1st March 2025
26AQI
26AQI
2nd March 2025
24AQI
24AQI
3rd March 2025
21AQI
21AQI
4th March 2025
24AQI
24AQI
5th March 2025
20AQI
20AQI
6th March 2025
22AQI
22AQI
7th March 2025
21AQI
21AQI
8th March 2025
21AQI
21AQI
9th March 2025
25AQI
25AQI
10th March 2025
20AQI
20AQI
11th March 2025
20AQI
20AQI
12th March 2025
18AQI
18AQI
13th March 2025
17AQI
17AQI
14th March 2025
19AQI
19AQI
15th March 2025
17AQI
17AQI
16th March 2025
16AQI
16AQI
17th March 2025
18AQI
18AQI
18th March 2025
21AQI
21AQI
19th March 2025
20AQI
20AQI
20th March 2025
16AQI
16AQI
21st March 2025
18AQI
18AQI
22nd March 2025
16AQI
16AQI
23rd March 2025
19AQI
19AQI
24th March 2025
17AQI
17AQI
25th March 2025
20AQI
20AQI
26th March 2025
21AQI
21AQI
27th March 2025
19AQI
19AQI
28th March 2025
20AQI
20AQI
29th March 2025
19AQI
19AQI
30th March 2025
23AQI
23AQI
31st March 2025
20AQI
20AQI
1st April 2025
22AQI
22AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
23AQI
23AQI
4th April 2025
24AQI
24AQI
5th April 2025
26AQI
26AQI
6th April 2025
24AQI
24AQI
7th April 2025
20AQI
20AQI
8th April 2025
19AQI
19AQI
9th April 2025
21AQI
21AQI
10th April 2025
25AQI
25AQI
11th April 2025
21AQI
21AQI
12th April 2025
21AQI
21AQI
13th April 2025
23AQI
23AQI
14th April 2025
27AQI
27AQI
15th April 2025
26AQI
26AQI
16th April 2025
25AQI
25AQI
17th April 2025
22AQI
22AQI
18th April 2025
25AQI
25AQI
19th April 2025
23AQI
23AQI
20th April 2025
23AQI
23AQI
21st April 2025
17AQI
17AQI
22nd April 2025
17AQI
17AQI
23rd April 2025
19AQI
19AQI
24th April 2025
29AQI
29AQI
25th April 2025
30AQI
30AQI
26th April 2025
23AQI
23AQI
27th April 2025
27AQI
27AQI
28th April 2025
20AQI
20AQI
29th April 2025
18AQI
18AQI
30th April 2025
18AQI
18AQI
1st May 2025
21AQI
21AQI
2nd May 2025
23AQI
23AQI
3rd May 2025
20AQI
20AQI
4th May 2025
16AQI
16AQI
5th May 2025
18AQI
18AQI
6th May 2025
17AQI
17AQI
7th May 2025
17AQI
17AQI
8th May 2025
17AQI
17AQI
9th May 2025
22AQI
22AQI
10th May 2025
21AQI
21AQI
11th May 2025
18AQI
18AQI
12th May 2025
17AQI
17AQI
13th May 2025
16AQI
16AQI
14th May 2025
16AQI
16AQI
15th May 2025
18AQI
18AQI
16th May 2025
15AQI
15AQI
17th May 2025
18AQI
18AQI
18th May 2025
15AQI
15AQI
19th May 2025
17AQI
17AQI
20th May 2025
14AQI
14AQI
21st May 2025
15AQI
15AQI
22nd May 2025
18AQI
18AQI
23rd May 2025
18AQI
18AQI
24th May 2025
21AQI
21AQI
25th May 2025
22AQI
22AQI
26th May 2025
20AQI
20AQI
27th May 2025
18AQI
18AQI
28th May 2025
20AQI
20AQI
29th May 2025
20AQI
20AQI
30th May 2025
18AQI
18AQI
31st May 2025
21AQI
21AQI
1st June 2025
20AQI
20AQI
2nd June 2025
18AQI
18AQI
3rd June 2025
18AQI
18AQI
4th June 2025
18AQI
18AQI
5th June 2025
19AQI
19AQI
6th June 2025
21AQI
21AQI
7th June 2025
21AQI
21AQI
8th June 2025
22AQI
22AQI
9th June 2025
24AQI
24AQI
10th June 2025
27AQI
27AQI
11th June 2025
29AQI
29AQI
12th June 2025
33AQI
33AQI
13th June 2025
31AQI
31AQI
14th June 2025
23AQI
23AQI
15th June 2025
22AQI
22AQI
16th June 2025
23AQI
23AQI
17th June 2025
24AQI
24AQI
18th June 2025
21AQI
21AQI
19th June 2025
20AQI
20AQI
20th June 2025
21AQI
21AQI
21st June 2025
19AQI
19AQI
22nd June 2025
18AQI
18AQI
23rd June 2025
23AQI
23AQI
24th June 2025
33AQI
33AQI
25th June 2025
32AQI
32AQI
26th June 2025
23AQI
23AQI
27th June 2025
20AQI
20AQI
28th June 2025
18AQI
18AQI
29th June 2025
18AQI
18AQI
30th June 2025
20AQI
20AQI
1st July 2025
25AQI
25AQI
2nd July 2025
26AQI
26AQI
3rd July 2025
25AQI
25AQI
4th July 2025
22AQI
22AQI
5th July 2025
34AQI
34AQI
6th July 2025
24AQI
24AQI
7th July 2025
21AQI
21AQI
8th July 2025
25AQI
25AQI
9th July 2025
24AQI
24AQI
10th July 2025
22AQI
22AQI
11th July 2025
23AQI
23AQI
12th July 2025
27AQI
27AQI
13th July 2025
28AQI
28AQI
14th July 2025
26AQI
26AQI
15th July 2025
22AQI
22AQI
16th July 2025
24AQI
24AQI
17th July 2025
33AQI
33AQI
18th July 2025
34AQI
34AQI
19th July 2025
36AQI
36AQI
20th July 2025
35AQI
35AQI
21st July 2025
27AQI
27AQI
22nd July 2025
28AQI
28AQI
23rd July 2025
28AQI
28AQI
24th July 2025
31AQI
31AQI
25th July 2025
24AQI
24AQI
26th July 2025
20AQI
20AQI
27th July 2025
20AQI
20AQI
28th July 2025
20AQI
20AQI
29th July 2025
21AQI
21AQI
30th July 2025
25AQI
25AQI
31st July 2025
29AQI
29AQI
1st August 2025
33AQI
33AQI
2nd August 2025
45AQI
45AQI
3rd August 2025
37AQI
37AQI
4th August 2025
25AQI
25AQI
5th August 2025
24AQI
24AQI
6th August 2025
30AQI
30AQI
7th August 2025
19AQI
19AQI
8th August 2025
16AQI
16AQI
9th August 2025
18AQI
18AQI
10th August 2025
20AQI
20AQI
32AQI
28AQI
20AQI
23AQI
18AQI
23AQI
26AQI
27AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202524AQI
31
28
31
30
31
30
31
10
222
Highest AQI recorded in
January32AQI
Lowest AQI recorded in
May18AQI
202424AQI
31
29
31
30
31
29
22
8
1
22
9
24
6
31
30
30
1
340
24
1
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
April13AQI
202323AQI
31
27
1
31
30
28
3
29
1
31
24
7
30
30
1
28
1
31
350
14
Highest AQI recorded in
August38AQI
Lowest AQI recorded in
April16AQI
202227AQI
27
3
22
1
31
30
31
30
24
2
1
17
8
4
23
8
23
5
2
31
291
26
6
Highest AQI recorded in
September56AQI
Lowest AQI recorded in
May13AQI
202126AQI
30
28
31
30
31
30
16
14
1
16
11
3
1
24
4
2
31
30
31
328
29
6
1
Highest AQI recorded in
August57AQI
Lowest AQI recorded in
May13AQI
202030AQI
13
20
18
30
31
25
6
14
7
2
5
2
27
4
29
1
31
238
18
2
5
2
Highest AQI recorded in
September75AQI
Lowest AQI recorded in
June14AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
30AQILeast Polluted Year Recorded
2023(Avg.)
23AQILa Grande's annual 2025 AQI (24) shows an average percentage change of -6.3% (improved AQI) compared to previous years: 2020 (30), 2021 (26), 2022 (27), 2023 (23), 2024 (24).
