Sisters, Redmond, 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
Sisters, Redmond, Oregon, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
16th Aug 2023
246AQILowest AQI recorded on
27th Aug 2021
12AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 40 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Sisters, Redmond, Oregon, United States
AQI
Day
Night
.
5 AM1st Aug 2025
8 PM
4 AM2nd Aug 2025
Day time
Avg. Highest Time
2PM1st Aug
57AQI
Avg. Lowest Time
7AM1st Aug
28AQI
Night time
Avg. Highest Time
9PM1st Aug
50AQI
Avg. Lowest Time
4AM2nd Aug
26AQI
In the last 24 hours,
Sisters's AQI reached its highest point of 57 at 2 PM during the Day, while the lowest point, 26, was recorded at 4 AM during the Night between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sisters, Redmond, Oregon, United States
JulAug
03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd
Day
Night
3rd Jul 2025175 AMAQI
3rd Jul 2025186 AMAQI
3rd Jul 2025197 AMAQI
3rd Jul 2025188 AMAQI
3rd Jul 2025189 AMAQI
3rd Jul 20251810 AMAQI
3rd Jul 20251811 AMAQI
3rd Jul 20251912 PMAQI
3rd Jul 2025201 PMAQI
3rd Jul 2025182 PMAQI
3rd Jul 2025213 PMAQI
3rd Jul 2025204 PMAQI
3rd Jul 2025185 PMAQI
3rd Jul 2025186 PMAQI
3rd Jul 2025197 PMAQI
3rd Jul 2025198 PMAQI
3rd Jul 2025199 PMAQI
3rd Jul 20251810 PMAQI
3rd Jul 20252011 PMAQI
4th Jul 20251912 AMAQI
4th Jul 2025181 AMAQI
4th Jul 2025182 AMAQI
4th Jul 2025183 AMAQI
4th Jul 2025174 AMAQI
16°C9/24°C
4th Jul 2025185 AMAQI
4th Jul 2025186 AMAQI
4th Jul 2025197 AMAQI
4th Jul 2025188 AMAQI
4th Jul 2025189 AMAQI
4th Jul 20251710 AMAQI
4th Jul 20251811 AMAQI
4th Jul 20251712 PMAQI
4th Jul 2025181 PMAQI
4th Jul 2025182 PMAQI
4th Jul 2025193 PMAQI
4th Jul 2025204 PMAQI
4th Jul 2025205 PMAQI
4th Jul 2025196 PMAQI
4th Jul 2025197 PMAQI
4th Jul 2025208 PMAQI
4th Jul 2025199 PMAQI
4th Jul 20252010 PMAQI
4th Jul 20252111 PMAQI
5th Jul 20252412 AMAQI
5th Jul 2025281 AMAQI
5th Jul 2025312 AMAQI
5th Jul 2025283 AMAQI
5th Jul 2025424 AMAQI
14°C10/20°C
5th Jul 2025275 AMAQI
5th Jul 2025276 AMAQI
5th Jul 2025277 AMAQI
5th Jul 2025268 AMAQI
5th Jul 2025269 AMAQI
5th Jul 20252210 AMAQI
5th Jul 20252211 AMAQI
5th Jul 20252212 PMAQI
5th Jul 2025221 PMAQI
5th Jul 2025222 PMAQI
5th Jul 2025243 PMAQI
5th Jul 2025244 PMAQI
5th Jul 2025245 PMAQI
5th Jul 2025246 PMAQI
5th Jul 2025257 PMAQI
5th Jul 2025248 PMAQI
5th Jul 2025249 PMAQI
5th Jul 20252510 PMAQI
5th Jul 20252511 PMAQI
6th Jul 20252412 AMAQI
6th Jul 2025261 AMAQI
6th Jul 2025282 AMAQI
6th Jul 2025243 AMAQI
6th Jul 2025184 AMAQI
16°C7/24°C
6th Jul 2025175 AMAQI
6th Jul 2025176 AMAQI
6th Jul 2025187 AMAQI
6th Jul 2025188 AMAQI
6th Jul 2025209 AMAQI
6th Jul 20252010 AMAQI
6th Jul 20252111 AMAQI
6th Jul 20252012 PMAQI
6th Jul 2025181 PMAQI
6th Jul 2025182 PMAQI
6th Jul 2025203 PMAQI
6th Jul 2025204 PMAQI
6th Jul 2025195 PMAQI
6th Jul 2025206 PMAQI
6th Jul 2025197 PMAQI
6th Jul 2025198 PMAQI
6th Jul 2025219 PMAQI
6th Jul 20252010 PMAQI
6th Jul 20252011 PMAQI
7th Jul 20251912 AMAQI
7th Jul 2025201 AMAQI
7th Jul 2025222 AMAQI
7th Jul 2025203 AMAQI
7th Jul 2025184 AMAQI
20°C12/28°C
7th Jul 2025185 AMAQI
7th Jul 2025186 AMAQI
7th Jul 2025197 AMAQI
7th Jul 2025188 AMAQI
7th Jul 2025189 AMAQI
7th Jul 20251810 AMAQI
7th Jul 20251811 AMAQI
7th Jul 20251812 PMAQI
7th Jul 2025181 PMAQI
7th Jul 2025182 PMAQI
7th Jul 2025203 PMAQI
7th Jul 2025184 PMAQI
7th Jul 2025205 PMAQI
7th Jul 2025196 PMAQI
7th Jul 2025207 PMAQI
7th Jul 2025198 PMAQI
7th Jul 2025199 PMAQI
7th Jul 20251810 PMAQI
7th Jul 20252111 PMAQI
8th Jul 20252212 AMAQI
8th Jul 2025241 AMAQI
8th Jul 2025212 AMAQI
8th Jul 2025203 AMAQI
8th Jul 2025194 AMAQI
23°C15/32°C
8th Jul 2025185 AMAQI
8th Jul 2025196 AMAQI
8th Jul 2025217 AMAQI
8th Jul 2025228 AMAQI
8th Jul 2025229 AMAQI
8th Jul 20252410 AMAQI
8th Jul 20252311 AMAQI
8th Jul 20252212 PMAQI
8th Jul 2025221 PMAQI
8th Jul 2025222 PMAQI
8th Jul 2025233 PMAQI
8th Jul 2025224 PMAQI
8th Jul 2025225 PMAQI
8th Jul 2025226 PMAQI
8th Jul 2025237 PMAQI
8th Jul 2025238 PMAQI
8th Jul 2025219 PMAQI
8th Jul 20252310 PMAQI
8th Jul 20252211 PMAQI
9th Jul 20252312 AMAQI
9th Jul 2025211 AMAQI
9th Jul 2025212 AMAQI
9th Jul 2025183 AMAQI
9th Jul 2025184 AMAQI
23°C16/32°C
9th Jul 2025205 AMAQI
9th Jul 2025176 AMAQI
9th Jul 2025217 AMAQI
9th Jul 2025208 AMAQI
9th Jul 2025219 AMAQI
9th Jul 20252010 AMAQI
9th Jul 20252011 AMAQI
9th Jul 20252112 PMAQI
9th Jul 2025221 PMAQI
9th Jul 2025212 PMAQI
9th Jul 2025223 PMAQI
9th Jul 2025214 PMAQI
9th Jul 2025225 PMAQI
9th Jul 2025246 PMAQI
9th Jul 2025227 PMAQI
9th Jul 2025228 PMAQI
9th Jul 2025219 PMAQI
9th Jul 20252010 PMAQI
9th Jul 20251911 PMAQI
10th Jul 20251812 AMAQI
10th Jul 2025191 AMAQI
10th Jul 2025182 AMAQI
10th Jul 2025183 AMAQI
10th Jul 2025164 AMAQI
19°C12/26°C
10th Jul 2025185 AMAQI
10th Jul 2025196 AMAQI
10th Jul 2025207 AMAQI
10th Jul 2025188 AMAQI
10th Jul 2025179 AMAQI
10th Jul 20251810 AMAQI
10th Jul 20252011 AMAQI
10th Jul 20251912 PMAQI
10th Jul 2025181 PMAQI
10th Jul 2025352 PMAQI
10th Jul 2025203 PMAQI
10th Jul 2025214 PMAQI
10th Jul 2025195 PMAQI
10th Jul 2025186 PMAQI
10th Jul 2025187 PMAQI
10th Jul 2025188 PMAQI
10th Jul 2025199 PMAQI
10th Jul 20252010 PMAQI
10th Jul 20252211 PMAQI
11th Jul 20252012 AMAQI
11th Jul 2025241 AMAQI
11th Jul 2025202 AMAQI
11th Jul 2025183 AMAQI
11th Jul 2025204 AMAQI
18°C12/26°C
11th Jul 2025185 AMAQI
11th Jul 2025176 AMAQI
11th Jul 2025187 AMAQI
11th Jul 2025208 AMAQI
11th Jul 2025189 AMAQI
11th Jul 20252010 AMAQI
11th Jul 20252111 AMAQI
11th Jul 20252012 PMAQI
11th Jul 2025201 PMAQI
11th Jul 2025202 PMAQI
11th Jul 2025223 PMAQI
11th Jul 2025204 PMAQI
11th Jul 2025215 PMAQI
11th Jul 2025196 PMAQI
11th Jul 2025207 PMAQI
11th Jul 2025208 PMAQI
11th Jul 2025229 PMAQI
11th Jul 20252510 PMAQI
11th Jul 20252611 PMAQI
12th Jul 20252712 AMAQI
12th Jul 2025261 AMAQI
12th Jul 2025272 AMAQI
12th Jul 2025253 AMAQI
12th Jul 2025224 AMAQI
19°C11/27°C
12th Jul 2025205 AMAQI
12th Jul 2025236 AMAQI
12th Jul 2025207 AMAQI
12th Jul 2025228 AMAQI
12th Jul 2025229 AMAQI
12th Jul 20252110 AMAQI
12th Jul 20252111 AMAQI
12th Jul 20252012 PMAQI
12th Jul 2025191 PMAQI
12th Jul 2025202 PMAQI
12th Jul 2025223 PMAQI
12th Jul 2025224 PMAQI
12th Jul 2025225 PMAQI
12th Jul 2025216 PMAQI
12th Jul 2025217 PMAQI
12th Jul 2025248 PMAQI
12th Jul 2025229 PMAQI
12th Jul 20252210 PMAQI
12th Jul 20252411 PMAQI
13th Jul 20252312 AMAQI
13th Jul 2025231 AMAQI
13th Jul 2025252 AMAQI
13th Jul 2025223 AMAQI
13th Jul 2025274 AMAQI
24°C16/32°C
13th Jul 2025205 AMAQI
13th Jul 2025196 AMAQI
13th Jul 2025197 AMAQI
13th Jul 2025218 AMAQI
13th Jul 2025199 AMAQI
13th Jul 20252010 AMAQI
13th Jul 20252011 AMAQI
13th Jul 20252812 PMAQI
13th Jul 2025181 PMAQI
13th Jul 2025202 PMAQI
13th Jul 2025223 PMAQI
13th Jul 2025244 PMAQI
13th Jul 2025205 PMAQI
13th Jul 2025206 PMAQI
13th Jul 2025237 PMAQI
13th Jul 2025228 PMAQI
13th Jul 2025219 PMAQI
13th Jul 20252310 PMAQI
13th Jul 20252411 PMAQI
14th Jul 20252312 AMAQI
14th Jul 2025251 AMAQI
14th Jul 2025222 AMAQI
14th Jul 2025213 AMAQI
14th Jul 2025184 AMAQI
25°C17/34°C
14th Jul 2025185 AMAQI
14th Jul 2025256 AMAQI
14th Jul 2025197 AMAQI
14th Jul 2025208 AMAQI
14th Jul 2025199 AMAQI
14th Jul 20252010 AMAQI
14th Jul 20252011 AMAQI
14th Jul 20251912 PMAQI
14th Jul 2025191 PMAQI
14th Jul 2025202 PMAQI
14th Jul 2025213 PMAQI
14th Jul 2025214 PMAQI
14th Jul 2025205 PMAQI
14th Jul 2025196 PMAQI
14th Jul 2025207 PMAQI
14th Jul 2025208 PMAQI
14th Jul 2025209 PMAQI
14th Jul 20252010 PMAQI
14th Jul 20252011 PMAQI
15th Jul 20252012 AMAQI
15th Jul 2025211 AMAQI
15th Jul 2025212 AMAQI
15th Jul 2025203 AMAQI
15th Jul 2025164 AMAQI
23°C17/31°C
15th Jul 2025165 AMAQI
15th Jul 2025176 AMAQI
15th Jul 2025207 AMAQI
15th Jul 2025208 AMAQI
15th Jul 2025189 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20252611 AMAQI
15th Jul 20253512 PMAQI
15th Jul 2025361 PMAQI
15th Jul 2025312 PMAQI
15th Jul 2025303 PMAQI
15th Jul 2025314 PMAQI
15th Jul 2025265 PMAQI
15th Jul 2025256 PMAQI
15th Jul 2025247 PMAQI
15th Jul 2025238 PMAQI
15th Jul 2025249 PMAQI
15th Jul 20252410 PMAQI
15th Jul 20252411 PMAQI
16th Jul 20252212 AMAQI
16th Jul 2025261 AMAQI
16th Jul 2025252 AMAQI
16th Jul 2025223 AMAQI
16th Jul 2025204 AMAQI
19°C11/26°C
16th Jul 2025225 AMAQI
16th Jul 2025326 AMAQI
16th Jul 2025357 AMAQI
16th Jul 2025338 AMAQI
16th Jul 2025389 AMAQI
16th Jul 20253910 AMAQI
16th Jul 20253611 AMAQI
16th Jul 20253212 PMAQI
16th Jul 2025321 PMAQI
16th Jul 2025332 PMAQI
16th Jul 2025283 PMAQI
16th Jul 2025284 PMAQI
16th Jul 2025345 PMAQI
16th Jul 2025366 PMAQI
16th Jul 2025317 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025329 PMAQI
16th Jul 20253210 PMAQI
16th Jul 20253511 PMAQI
17th Jul 20253312 AMAQI
17th Jul 2025351 AMAQI
17th Jul 2025342 AMAQI
17th Jul 2025323 AMAQI
17th Jul 2025304 AMAQI
21°C11/30°C
17th Jul 2025345 AMAQI
17th Jul 2025366 AMAQI
17th Jul 2025407 AMAQI
17th Jul 2025418 AMAQI
17th Jul 2025409 AMAQI
17th Jul 20254210 AMAQI
17th Jul 20254111 AMAQI
17th Jul 20253812 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025342 PMAQI
17th Jul 2025373 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025346 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025418 PMAQI
17th Jul 2025329 PMAQI
17th Jul 20252910 PMAQI
17th Jul 20253011 PMAQI
18th Jul 20253012 AMAQI
18th Jul 2025311 AMAQI
18th Jul 2025302 AMAQI
18th Jul 2025293 AMAQI
18th Jul 2025294 AMAQI
22°C15/30°C
18th Jul 2025345 AMAQI
18th Jul 2025346 AMAQI
18th Jul 2025397 AMAQI
18th Jul 2025378 AMAQI
18th Jul 2025379 AMAQI
18th Jul 20253710 AMAQI
18th Jul 20253811 AMAQI
18th Jul 20253912 PMAQI
18th Jul 2025371 PMAQI
18th Jul 2025382 PMAQI
18th Jul 2025393 PMAQI
18th Jul 2025394 PMAQI
18th Jul 2025365 PMAQI
18th Jul 2025316 PMAQI
18th Jul 2025317 PMAQI
18th Jul 2025318 PMAQI
18th Jul 2025299 PMAQI
18th Jul 20253010 PMAQI
18th Jul 20252911 PMAQI
19th Jul 20253012 AMAQI
19th Jul 2025301 AMAQI
19th Jul 2025292 AMAQI
19th Jul 2025283 AMAQI
19th Jul 2025204 AMAQI
20°C14/29°C
19th Jul 2025185 AMAQI
19th Jul 2025206 AMAQI
19th Jul 2025237 AMAQI
19th Jul 2025228 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20252110 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025191 PMAQI
19th Jul 2025192 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025214 PMAQI
19th Jul 2025225 PMAQI
19th Jul 2025226 PMAQI
19th Jul 2025227 PMAQI
19th Jul 2025238 PMAQI
19th Jul 2025239 PMAQI
19th Jul 20252410 PMAQI
19th Jul 20252211 PMAQI
20th Jul 20252112 AMAQI
20th Jul 2025221 AMAQI
20th Jul 2025212 AMAQI
20th Jul 2025213 AMAQI
20th Jul 2025174 AMAQI
18°C11/26°C
20th Jul 2025185 AMAQI
20th Jul 2025186 AMAQI
20th Jul 2025177 AMAQI
20th Jul 2025198 AMAQI
20th Jul 2025209 AMAQI
20th Jul 20252110 AMAQI
20th Jul 20251911 AMAQI
20th Jul 20251812 PMAQI
20th Jul 2025171 PMAQI
20th Jul 2025172 PMAQI
20th Jul 2025193 PMAQI
20th Jul 2025204 PMAQI
20th Jul 2025195 PMAQI
20th Jul 2025206 PMAQI
20th Jul 2025207 PMAQI
20th Jul 2025198 PMAQI
20th Jul 2025219 PMAQI
20th Jul 20252110 PMAQI
20th Jul 20252211 PMAQI
21st Jul 20252012 AMAQI
21st Jul 2025221 AMAQI
21st Jul 2025212 AMAQI
21st Jul 2025203 AMAQI
21st Jul 2025204 AMAQI
18°C11/24°C
21st Jul 2025205 AMAQI
21st Jul 2025196 AMAQI
21st Jul 2025207 AMAQI
21st Jul 2025208 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20252510 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252212 PMAQI
21st Jul 2025201 PMAQI
21st Jul 2025202 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025214 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025216 PMAQI
21st Jul 2025217 PMAQI
21st Jul 2025218 PMAQI
21st Jul 2025209 PMAQI
21st Jul 20252010 PMAQI
21st Jul 20252111 PMAQI
22nd Jul 20252112 AMAQI
22nd Jul 2025211 AMAQI
22nd Jul 2025212 AMAQI
22nd Jul 2025193 AMAQI
22nd Jul 2025184 AMAQI
16°C11/20°C
22nd Jul 2025185 AMAQI
22nd Jul 2025186 AMAQI
22nd Jul 2025197 AMAQI
22nd Jul 2025208 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20252110 AMAQI
22nd Jul 20252311 AMAQI
22nd Jul 20252212 PMAQI
22nd Jul 2025211 PMAQI
22nd Jul 2025212 PMAQI
22nd Jul 2025213 PMAQI
22nd Jul 2025214 PMAQI
22nd Jul 2025205 PMAQI
22nd Jul 2025206 PMAQI
22nd Jul 2025217 PMAQI
22nd Jul 2025218 PMAQI
22nd Jul 2025209 PMAQI
22nd Jul 20252010 PMAQI
22nd Jul 20252111 PMAQI
23rd Jul 20252012 AMAQI
23rd Jul 2025201 AMAQI
23rd Jul 2025222 AMAQI
23rd Jul 2025223 AMAQI
23rd Jul 2025264 AMAQI
18°C10/24°C
23rd Jul 2025265 AMAQI
23rd Jul 2025276 AMAQI
23rd Jul 2025267 AMAQI
23rd Jul 2025278 AMAQI
23rd Jul 2025269 AMAQI
23rd Jul 20252610 AMAQI
23rd Jul 20252511 AMAQI
23rd Jul 20252612 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025252 PMAQI
23rd Jul 2025253 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025235 PMAQI
23rd Jul 2025246 PMAQI
23rd Jul 2025237 PMAQI
23rd Jul 2025238 PMAQI
23rd Jul 2025249 PMAQI
23rd Jul 20252410 PMAQI
23rd Jul 20252411 PMAQI
24th Jul 20252412 AMAQI
24th Jul 2025241 AMAQI
24th Jul 2025252 AMAQI
24th Jul 2025273 AMAQI
24th Jul 2025344 AMAQI
21°C14/27°C
24th Jul 2025265 AMAQI
24th Jul 2025286 AMAQI
24th Jul 2025277 AMAQI
24th Jul 2025288 AMAQI
24th Jul 2025289 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20253011 AMAQI
24th Jul 20252712 PMAQI
24th Jul 2025261 PMAQI
24th Jul 2025252 PMAQI
24th Jul 2025263 PMAQI
24th Jul 2025274 PMAQI
24th Jul 2025265 PMAQI
24th Jul 2025266 PMAQI
24th Jul 2025257 PMAQI
24th Jul 2025248 PMAQI
24th Jul 2025259 PMAQI
24th Jul 20252410 PMAQI
24th Jul 20252411 PMAQI
25th Jul 20252412 AMAQI
25th Jul 2025251 AMAQI
25th Jul 2025262 AMAQI
25th Jul 2025243 AMAQI
25th Jul 2025234 AMAQI
21°C15/29°C
25th Jul 2025245 AMAQI
25th Jul 2025236 AMAQI
25th Jul 2025247 AMAQI
25th Jul 2025228 AMAQI
25th Jul 2025249 AMAQI
25th Jul 20252410 AMAQI
25th Jul 20252511 AMAQI
25th Jul 20252312 PMAQI
25th Jul 2025221 PMAQI
25th Jul 2025222 PMAQI
25th Jul 2025243 PMAQI
25th Jul 2025234 PMAQI
25th Jul 2025225 PMAQI
25th Jul 2025226 PMAQI
25th Jul 2025227 PMAQI
25th Jul 2025238 PMAQI
25th Jul 2025229 PMAQI
25th Jul 20252210 PMAQI
25th Jul 20252111 PMAQI
26th Jul 20252112 AMAQI
26th Jul 2025221 AMAQI
26th Jul 2025242 AMAQI
26th Jul 2025263 AMAQI
26th Jul 2025284 AMAQI
19°C12/28°C
26th Jul 2025305 AMAQI
26th Jul 2025306 AMAQI
26th Jul 2025287 AMAQI
26th Jul 2025258 AMAQI
26th Jul 2025259 AMAQI
26th Jul 20252510 AMAQI
26th Jul 20252511 AMAQI
26th Jul 20253112 PMAQI
26th Jul 2025221 PMAQI
26th Jul 2025202 PMAQI
26th Jul 2025233 PMAQI
26th Jul 2025234 PMAQI
26th Jul 2025235 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025227 PMAQI
26th Jul 2025238 PMAQI
26th Jul 2025239 PMAQI
26th Jul 20252410 PMAQI
26th Jul 20252411 PMAQI
27th Jul 20252212 AMAQI
27th Jul 2025221 AMAQI
27th Jul 2025232 AMAQI
27th Jul 2025203 AMAQI
27th Jul 2025164 AMAQI
18°C11/26°C
27th Jul 2025155 AMAQI
27th Jul 2025166 AMAQI
27th Jul 2025167 AMAQI
27th Jul 2025168 AMAQI
27th Jul 2025179 AMAQI
27th Jul 20251710 AMAQI
27th Jul 20251811 AMAQI
27th Jul 20251812 PMAQI
27th Jul 2025171 PMAQI
27th Jul 2025172 PMAQI
27th Jul 2025183 PMAQI
27th Jul 2025184 PMAQI
27th Jul 2025185 PMAQI
27th Jul 2025186 PMAQI
27th Jul 2025187 PMAQI
27th Jul 2025188 PMAQI
27th Jul 2025189 PMAQI
27th Jul 20251810 PMAQI
27th Jul 20251911 PMAQI
28th Jul 20251912 AMAQI
28th Jul 2025181 AMAQI
28th Jul 2025182 AMAQI
28th Jul 2025183 AMAQI
28th Jul 2025184 AMAQI
18°C11/27°C
28th Jul 2025165 AMAQI
28th Jul 2025186 AMAQI
28th Jul 2025187 AMAQI
28th Jul 2025178 AMAQI
28th Jul 2025189 AMAQI
28th Jul 20251910 AMAQI
28th Jul 20252111 AMAQI
28th Jul 20251812 PMAQI
28th Jul 2025181 PMAQI
28th Jul 2025192 PMAQI
28th Jul 2025193 PMAQI
28th Jul 2025204 PMAQI
28th Jul 2025185 PMAQI
28th Jul 2025186 PMAQI
28th Jul 2025197 PMAQI
28th Jul 2025198 PMAQI
28th Jul 2025189 PMAQI
28th Jul 20251910 PMAQI
28th Jul 20252011 PMAQI
29th Jul 20251912 AMAQI
29th Jul 2025191 AMAQI
29th Jul 2025182 AMAQI
29th Jul 2025183 AMAQI
29th Jul 2025174 AMAQI
20°C13/28°C
29th Jul 2025185 AMAQI
29th Jul 2025186 AMAQI
29th Jul 2025187 AMAQI
29th Jul 2025188 AMAQI
29th Jul 2025189 AMAQI
29th Jul 20251810 AMAQI
29th Jul 20251911 AMAQI
29th Jul 20252212 PMAQI
29th Jul 2025201 PMAQI
29th Jul 2025192 PMAQI
29th Jul 2025193 PMAQI
29th Jul 2025184 PMAQI
29th Jul 2025185 PMAQI
29th Jul 2025186 PMAQI
29th Jul 2025187 PMAQI
29th Jul 2025198 PMAQI
29th Jul 2025189 PMAQI
29th Jul 20251910 PMAQI
29th Jul 20251811 PMAQI
30th Jul 20251912 AMAQI
30th Jul 2025181 AMAQI
30th Jul 2025182 AMAQI
30th Jul 2025213 AMAQI
30th Jul 2025204 AMAQI
23°C16/30°C
30th Jul 2025215 AMAQI
30th Jul 2025206 AMAQI
30th Jul 2025207 AMAQI
30th Jul 2025208 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20252210 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252112 PMAQI
30th Jul 2025231 PMAQI
30th Jul 2025252 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 2025239 PMAQI
30th Jul 20252110 PMAQI
30th Jul 20252211 PMAQI
31st Jul 20252112 AMAQI
31st Jul 2025221 AMAQI
31st Jul 2025212 AMAQI
31st Jul 2025223 AMAQI
31st Jul 2025234 AMAQI
23°C17/30°C
31st Jul 2025205 AMAQI
31st Jul 2025226 AMAQI
31st Jul 2025217 AMAQI
31st Jul 2025228 AMAQI
31st Jul 2025259 AMAQI
31st Jul 20252610 AMAQI
31st Jul 20252911 AMAQI
31st Jul 20252812 PMAQI
31st Jul 2025291 PMAQI
31st Jul 2025252 PMAQI
31st Jul 2025243 PMAQI
31st Jul 2025244 PMAQI
31st Jul 2025235 PMAQI
31st Jul 2025236 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025268 PMAQI
31st Jul 2025369 PMAQI
31st Jul 20254610 PMAQI
31st Jul 20254211 PMAQI
1st Aug 20253412 AMAQI
1st Aug 2025351 AMAQI
1st Aug 2025262 AMAQI
1st Aug 2025263 AMAQI
1st Aug 2025304 AMAQI
18°C15/23°C
1st Aug 2025315 AMAQI
1st Aug 2025316 AMAQI
1st Aug 2025287 AMAQI
1st Aug 2025318 AMAQI
1st Aug 2025349 AMAQI
1st Aug 20254410 AMAQI
1st Aug 20253811 AMAQI
1st Aug 20254812 PMAQI
1st Aug 2025501 PMAQI
1st Aug 2025572 PMAQI
1st Aug 2025573 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025546 PMAQI
1st Aug 2025387 PMAQI
1st Aug 2025448 PMAQI
1st Aug 2025509 PMAQI
1st Aug 20255010 PMAQI
1st Aug 20254611 PMAQI
2nd Aug 20254012 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025352 AMAQI
2nd Aug 2025323 AMAQI
2nd Aug 2025264 AMAQI
20°C13/28°C
2nd Aug 2025285 AMAQI
5 AM2nd Aug 2025326 AMAQI
2nd Aug 2025297 AMAQI
2nd Aug 2025288 AMAQI
2nd Aug 2025309 AMAQI
2nd Aug 20253410 AMAQI
2nd Aug 20253211 AMAQI
2nd Aug 20253212 PMAQI
12 PM2nd Aug 2025321 PMAQI
2nd Aug 2025292 PMAQI
2nd Aug 2025283 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
23AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
23AQI
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. 23), while the lowest AQI was between 5 AM to 8 PM (Avg. 23).
Night time
Avg. Highest Time
12 AM - 2 AM
24AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
3 AM - 4 AM
22AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 24), while the lowest AQI was between 3 AM to 4 AM (Avg. 22).
2025 Days Vs Air Quality
Sisters, Redmond, Oregon, United States
2025
100%
213
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
213 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 214 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
Sisters, Redmond, 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
28AQI
28AQI
2nd January 2025
32AQI
32AQI
3rd January 2025
26AQI
26AQI
4th January 2025
27AQI
27AQI
5th January 2025
24AQI
24AQI
6th January 2025
24AQI
24AQI
7th January 2025
27AQI
27AQI
8th January 2025
33AQI
33AQI
9th January 2025
40AQI
40AQI
10th January 2025
30AQI
30AQI
11th January 2025
25AQI
25AQI
12th January 2025
29AQI
29AQI
13th January 2025
31AQI
31AQI
14th January 2025
39AQI
39AQI
15th January 2025
37AQI
37AQI
16th January 2025
41AQI
41AQI
17th January 2025
30AQI
30AQI
18th January 2025
37AQI
37AQI
19th January 2025
36AQI
36AQI
20th January 2025
35AQI
35AQI
21st January 2025
36AQI
36AQI
22nd January 2025
34AQI
34AQI
23rd January 2025
39AQI
39AQI
24th January 2025
35AQI
35AQI
25th January 2025
30AQI
30AQI
26th January 2025
34AQI
34AQI
27th January 2025
37AQI
37AQI
28th January 2025
40AQI
40AQI
29th January 2025
41AQI
41AQI
30th January 2025
42AQI
42AQI
31st January 2025
31AQI
31AQI
1st February 2025
21AQI
21AQI
2nd February 2025
22AQI
22AQI
3rd February 2025
25AQI
25AQI
4th February 2025
26AQI
26AQI
5th February 2025
24AQI
24AQI
6th February 2025
27AQI
27AQI
7th February 2025
23AQI
23AQI
8th February 2025
45AQI
45AQI
9th February 2025
45AQI
45AQI
10th February 2025
26AQI
26AQI
11th February 2025
27AQI
27AQI
12th February 2025
42AQI
42AQI
13th February 2025
35AQI
35AQI
14th February 2025
40AQI
40AQI
15th February 2025
32AQI
32AQI
16th February 2025
31AQI
31AQI
17th February 2025
28AQI
28AQI
18th February 2025
37AQI
37AQI
19th February 2025
29AQI
29AQI
20th February 2025
34AQI
34AQI
21st February 2025
26AQI
26AQI
22nd February 2025
27AQI
27AQI
23rd February 2025
20AQI
20AQI
24th February 2025
24AQI
24AQI
25th February 2025
22AQI
22AQI
26th February 2025
33AQI
33AQI
27th February 2025
34AQI
34AQI
28th February 2025
25AQI
25AQI
1st March 2025
26AQI
26AQI
2nd March 2025
22AQI
22AQI
3rd March 2025
24AQI
24AQI
4th March 2025
23AQI
23AQI
5th March 2025
22AQI
22AQI
6th March 2025
19AQI
19AQI
7th March 2025
23AQI
23AQI
8th March 2025
24AQI
24AQI
9th March 2025
23AQI
23AQI
10th March 2025
20AQI
20AQI
11th March 2025
20AQI
20AQI
12th March 2025
18AQI
18AQI
13th March 2025
16AQI
16AQI
14th March 2025
17AQI
17AQI
15th March 2025
16AQI
16AQI
16th March 2025
15AQI
15AQI
17th March 2025
18AQI
18AQI
18th March 2025
22AQI
22AQI
19th March 2025
20AQI
20AQI
20th March 2025
15AQI
15AQI
21st March 2025
17AQI
17AQI
22nd March 2025
16AQI
16AQI
23rd March 2025
16AQI
16AQI
24th March 2025
17AQI
17AQI
25th March 2025
20AQI
20AQI
26th March 2025
20AQI
20AQI
27th March 2025
17AQI
17AQI
28th March 2025
16AQI
16AQI
29th March 2025
16AQI
16AQI
30th March 2025
20AQI
20AQI
31st March 2025
16AQI
16AQI
1st April 2025
17AQI
17AQI
2nd April 2025
17AQI
17AQI
3rd April 2025
18AQI
18AQI
4th April 2025
21AQI
21AQI
5th April 2025
19AQI
19AQI
6th April 2025
20AQI
20AQI
7th April 2025
16AQI
16AQI
8th April 2025
14AQI
14AQI
9th April 2025
14AQI
14AQI
10th April 2025
18AQI
18AQI
11th April 2025
17AQI
17AQI
12th April 2025
18AQI
18AQI
13th April 2025
19AQI
19AQI
14th April 2025
23AQI
23AQI
15th April 2025
21AQI
21AQI
16th April 2025
21AQI
21AQI
17th April 2025
19AQI
19AQI
18th April 2025
19AQI
19AQI
19th April 2025
20AQI
20AQI
20th April 2025
17AQI
17AQI
21st April 2025
13AQI
13AQI
22nd April 2025
14AQI
14AQI
23rd April 2025
17AQI
17AQI
24th April 2025
24AQI
24AQI
25th April 2025
22AQI
22AQI
26th April 2025
20AQI
20AQI
27th April 2025
20AQI
20AQI
28th April 2025
16AQI
16AQI
29th April 2025
13AQI
13AQI
30th April 2025
15AQI
15AQI
1st May 2025
18AQI
18AQI
2nd May 2025
20AQI
20AQI
3rd May 2025
15AQI
15AQI
4th May 2025
16AQI
16AQI
5th May 2025
16AQI
16AQI
6th May 2025
16AQI
16AQI
7th May 2025
18AQI
18AQI
8th May 2025
15AQI
15AQI
9th May 2025
18AQI
18AQI
10th May 2025
19AQI
19AQI
11th May 2025
15AQI
15AQI
12th May 2025
15AQI
15AQI
13th May 2025
14AQI
14AQI
14th May 2025
14AQI
14AQI
15th May 2025
15AQI
15AQI
16th May 2025
17AQI
17AQI
17th May 2025
15AQI
15AQI
18th May 2025
14AQI
14AQI
19th May 2025
13AQI
13AQI
20th May 2025
13AQI
13AQI
21st May 2025
15AQI
15AQI
22nd May 2025
15AQI
15AQI
23rd May 2025
16AQI
16AQI
24th May 2025
16AQI
16AQI
25th May 2025
17AQI
17AQI
26th May 2025
15AQI
15AQI
27th May 2025
16AQI
16AQI
28th May 2025
15AQI
15AQI
29th May 2025
17AQI
17AQI
30th May 2025
16AQI
16AQI
31st May 2025
16AQI
16AQI
1st June 2025
15AQI
15AQI
2nd June 2025
14AQI
14AQI
3rd June 2025
17AQI
17AQI
4th June 2025
17AQI
17AQI
5th June 2025
17AQI
17AQI
6th June 2025
18AQI
18AQI
7th June 2025
19AQI
19AQI
8th June 2025
20AQI
20AQI
9th June 2025
22AQI
22AQI
10th June 2025
23AQI
23AQI
11th June 2025
24AQI
24AQI
12th June 2025
22AQI
22AQI
13th June 2025
20AQI
20AQI
14th June 2025
21AQI
21AQI
15th June 2025
19AQI
19AQI
16th June 2025
20AQI
20AQI
17th June 2025
21AQI
21AQI
18th June 2025
18AQI
18AQI
19th June 2025
18AQI
18AQI
20th June 2025
18AQI
18AQI
21st June 2025
18AQI
18AQI
22nd June 2025
17AQI
17AQI
23rd June 2025
19AQI
19AQI
24th June 2025
27AQI
27AQI
25th June 2025
29AQI
29AQI
26th June 2025
21AQI
21AQI
27th June 2025
18AQI
18AQI
28th June 2025
17AQI
17AQI
29th June 2025
18AQI
18AQI
30th June 2025
19AQI
19AQI
1st July 2025
23AQI
23AQI
2nd July 2025
21AQI
21AQI
3rd July 2025
18AQI
18AQI
4th July 2025
19AQI
19AQI
5th July 2025
26AQI
26AQI
6th July 2025
21AQI
21AQI
7th July 2025
19AQI
19AQI
8th July 2025
22AQI
22AQI
9th July 2025
21AQI
21AQI
10th July 2025
19AQI
19AQI
11th July 2025
21AQI
21AQI
12th July 2025
23AQI
23AQI
13th July 2025
22AQI
22AQI
14th July 2025
21AQI
21AQI
15th July 2025
23AQI
23AQI
16th July 2025
30AQI
30AQI
17th July 2025
35AQI
35AQI
18th July 2025
33AQI
33AQI
19th July 2025
23AQI
23AQI
20th July 2025
20AQI
20AQI
21st July 2025
21AQI
21AQI
22nd July 2025
20AQI
20AQI
23rd July 2025
24AQI
24AQI
24th July 2025
26AQI
26AQI
25th July 2025
23AQI
23AQI
26th July 2025
25AQI
25AQI
27th July 2025
18AQI
18AQI
28th July 2025
18AQI
18AQI
29th July 2025
18AQI
18AQI
30th July 2025
22AQI
22AQI
31st July 2025
26AQI
26AQI
1st August 2025
40AQI
40AQI
33AQI
30AQI
19AQI
18AQI
16AQI
20AQI
23AQI
40AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202523AQI
31
28
31
30
31
30
31
1
213
Highest AQI recorded in
August40AQI
Lowest AQI recorded in
May16AQI
202425AQI
30
28
31
30
28
28
18
12
1
19
11
1
23
5
2
30
1
30
29
2
324
31
4
Highest AQI recorded in
July44AQI
Lowest AQI recorded in
May14AQI
202329AQI
31
28
31
29
1
26
4
1
30
22
7
2
10
8
5
6
2
23
7
26
29
31
316
27
7
7
2
Highest AQI recorded in
August102AQI
Lowest AQI recorded in
March11AQI
202221AQI
30
22
31
30
30
1
30
21
3
18
8
2
1
29
2
27
3
31
299
17
2
1
Highest AQI recorded in
August64AQI
Lowest AQI recorded in
April11AQI
202122AQI
30
28
31
30
31
30
27
4
17
11
3
20
4
3
2
1
31
30
31
336
19
6
2
1
Highest AQI recorded in
September54AQI
Lowest AQI recorded in
February10AQI
202038AQI
13
20
18
30
31
27
4
13
8
1
1
7
21
7
2
19
9
31
223
28
3
1
7
Highest AQI recorded in
September146AQI
Lowest AQI recorded in
March12AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
38AQILeast Polluted Year Recorded
2022(Avg.)
21AQISisters's annual 2025 AQI (23) shows an average percentage change of -11.09% (improved AQI) compared to previous years: 2020 (38), 2021 (22), 2022 (21), 2023 (29), 2024 (25).
