Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Brentwood Darlington, Portland, 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

Brentwood Darlington, Portland, Oregon, United States

2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
3rd Aug 2025
19AQI
Lowest AQI recorded on
2nd Aug 2025
16AQI

Same Day Analysis (3rd August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 19 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025

Brentwood Darlington, Portland, Oregon, United States

AQI
Day
Night
.

5 AM3rd Aug 2025

8 PM

4 AM4th Aug 2025

Day time
Avg. Highest Time
5AM3rd Aug

20AQI

Avg. Lowest Time
12PM3rd Aug

16AQI

Night time
Avg. Highest Time
2AM4th Aug

27AQI

Avg. Lowest Time
11PM3rd Aug

21AQI

In the last 24 hours,

Brentwood Darlington's AQI reached its highest point of 27 at 2 AM during the Night, while the lowest point, 16, was recorded at 12 PM during the Day between 3rd Aug and 4th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Brentwood Darlington, Portland, Oregon, United States

JulAug
05th - 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 - 03rd03rd - 04th04th
Day
Night
5th Jul 2025395 AMAQI
5th Jul 2025336 AMAQI
5th Jul 2025297 AMAQI
5th Jul 2025258 AMAQI
5th Jul 2025219 AMAQI
5th Jul 20252010 AMAQI
5th Jul 20252011 AMAQI
5th Jul 20251812 PMAQI
5th Jul 2025181 PMAQI
5th Jul 2025182 PMAQI
5th Jul 2025203 PMAQI
5th Jul 2025194 PMAQI
5th Jul 2025195 PMAQI
5th Jul 2025196 PMAQI
5th Jul 2025187 PMAQI
5th Jul 2025178 PMAQI
5th Jul 2025189 PMAQI
5th Jul 20251710 PMAQI
5th Jul 20251811 PMAQI
6th Jul 20251712 AMAQI
6th Jul 2025171 AMAQI
6th Jul 2025182 AMAQI
6th Jul 2025173 AMAQI
6th Jul 2025174 AMAQI

--°C/°C

6th Jul 2025165 AMAQI
6th Jul 2025176 AMAQI
6th Jul 2025187 AMAQI
6th Jul 2025178 AMAQI
6th Jul 2025179 AMAQI
6th Jul 20251710 AMAQI
6th Jul 20251811 AMAQI
6th Jul 20251712 PMAQI
6th Jul 2025171 PMAQI
6th Jul 2025192 PMAQI
6th Jul 2025173 PMAQI
6th Jul 2025174 PMAQI
6th Jul 2025175 PMAQI
6th Jul 2025176 PMAQI
6th Jul 2025177 PMAQI
6th Jul 2025168 PMAQI
6th Jul 2025169 PMAQI
6th Jul 20251610 PMAQI
6th Jul 20251711 PMAQI
7th Jul 20251612 AMAQI
7th Jul 2025171 AMAQI
7th Jul 2025172 AMAQI
7th Jul 2025183 AMAQI
7th Jul 2025184 AMAQI

22°C14/31°C

7th Jul 2025185 AMAQI
7th Jul 2025186 AMAQI
7th Jul 2025187 AMAQI
7th Jul 2025188 AMAQI
7th Jul 2025179 AMAQI
7th Jul 20251710 AMAQI
7th Jul 20251811 AMAQI
7th Jul 20251812 PMAQI
7th Jul 2025201 PMAQI
7th Jul 2025192 PMAQI
7th Jul 2025183 PMAQI
7th Jul 2025194 PMAQI
7th Jul 2025185 PMAQI
7th Jul 2025186 PMAQI
7th Jul 2025187 PMAQI
7th Jul 2025178 PMAQI
7th Jul 2025189 PMAQI
7th Jul 20251810 PMAQI
7th Jul 20251811 PMAQI
8th Jul 20252012 AMAQI
8th Jul 2025211 AMAQI
8th Jul 2025212 AMAQI
8th Jul 2025223 AMAQI
8th Jul 2025224 AMAQI

24°C16/33°C

8th Jul 2025205 AMAQI
8th Jul 2025216 AMAQI
8th Jul 2025237 AMAQI
8th Jul 2025228 AMAQI
8th Jul 2025229 AMAQI
8th Jul 20252210 AMAQI
8th Jul 20252011 AMAQI
8th Jul 20252112 PMAQI
8th Jul 2025201 PMAQI
8th Jul 2025222 PMAQI
8th Jul 2025213 PMAQI
8th Jul 2025204 PMAQI
8th Jul 2025195 PMAQI
8th Jul 2025206 PMAQI
8th Jul 2025217 PMAQI
8th Jul 2025208 PMAQI
8th Jul 2025199 PMAQI
8th Jul 20251810 PMAQI
8th Jul 20251811 PMAQI
9th Jul 20251812 AMAQI
9th Jul 2025161 AMAQI
9th Jul 2025152 AMAQI
9th Jul 2025163 AMAQI
9th Jul 2025144 AMAQI

24°C17/34°C

9th Jul 2025145 AMAQI
9th Jul 2025136 AMAQI
9th Jul 2025147 AMAQI
9th Jul 2025148 AMAQI
9th Jul 2025149 AMAQI
9th Jul 20251410 AMAQI
9th Jul 20251411 AMAQI
9th Jul 20251412 PMAQI
9th Jul 2025141 PMAQI
9th Jul 2025142 PMAQI
9th Jul 2025143 PMAQI
9th Jul 2025154 PMAQI
9th Jul 2025155 PMAQI
9th Jul 2025156 PMAQI
9th Jul 2025147 PMAQI
9th Jul 2025158 PMAQI
9th Jul 2025169 PMAQI
9th Jul 20251710 PMAQI
9th Jul 20251611 PMAQI
10th Jul 20251512 AMAQI
10th Jul 2025151 AMAQI
10th Jul 2025162 AMAQI
10th Jul 2025143 AMAQI
10th Jul 2025134 AMAQI

21°C17/26°C

10th Jul 2025145 AMAQI
10th Jul 2025136 AMAQI
10th Jul 2025137 AMAQI
10th Jul 2025138 AMAQI
10th Jul 2025149 AMAQI
10th Jul 20251410 AMAQI
10th Jul 20251411 AMAQI
10th Jul 20251412 PMAQI
10th Jul 2025141 PMAQI
10th Jul 2025142 PMAQI
10th Jul 2025153 PMAQI
10th Jul 2025144 PMAQI
10th Jul 2025145 PMAQI
10th Jul 2025146 PMAQI
10th Jul 2025167 PMAQI
10th Jul 2025148 PMAQI
10th Jul 2025149 PMAQI
10th Jul 20251410 PMAQI
10th Jul 20251511 PMAQI
11th Jul 20251512 AMAQI
11th Jul 2025141 AMAQI
11th Jul 2025152 AMAQI
11th Jul 2025163 AMAQI
11th Jul 2025174 AMAQI

21°C17/24°C

11th Jul 2025175 AMAQI
11th Jul 2025186 AMAQI
11th Jul 2025177 AMAQI
11th Jul 2025198 AMAQI
11th Jul 2025199 AMAQI
11th Jul 20252010 AMAQI
11th Jul 20252111 AMAQI
11th Jul 20251912 PMAQI
11th Jul 2025201 PMAQI
11th Jul 2025212 PMAQI
11th Jul 2025203 PMAQI
11th Jul 2025184 PMAQI
11th Jul 2025185 PMAQI
11th Jul 2025186 PMAQI
11th Jul 2025187 PMAQI
11th Jul 2025188 PMAQI
11th Jul 2025189 PMAQI
11th Jul 20251910 PMAQI
11th Jul 20251611 PMAQI
12th Jul 20251612 AMAQI
12th Jul 2025171 AMAQI
12th Jul 2025162 AMAQI
12th Jul 2025183 AMAQI
12th Jul 2025184 AMAQI

23°C16/33°C

12th Jul 2025185 AMAQI
12th Jul 2025166 AMAQI
12th Jul 2025177 AMAQI
12th Jul 2025188 AMAQI
12th Jul 2025189 AMAQI
12th Jul 20251710 AMAQI
12th Jul 20251811 AMAQI
12th Jul 20251512 PMAQI
12th Jul 2025151 PMAQI
12th Jul 2025162 PMAQI
12th Jul 2025173 PMAQI
12th Jul 2025184 PMAQI
12th Jul 2025185 PMAQI
12th Jul 2025176 PMAQI
12th Jul 2025187 PMAQI
12th Jul 2025188 PMAQI
12th Jul 2025179 PMAQI
12th Jul 20251810 PMAQI
12th Jul 20251811 PMAQI
13th Jul 20251712 AMAQI
13th Jul 2025181 AMAQI
13th Jul 2025182 AMAQI
13th Jul 2025213 AMAQI
13th Jul 2025224 AMAQI

24°C18/33°C

13th Jul 2025235 AMAQI
13th Jul 2025226 AMAQI
13th Jul 2025217 AMAQI
13th Jul 2025228 AMAQI
13th Jul 2025219 AMAQI
13th Jul 20252110 AMAQI
13th Jul 20252111 AMAQI
13th Jul 20252212 PMAQI
13th Jul 2025221 PMAQI
13th Jul 2025212 PMAQI
13th Jul 2025213 PMAQI
13th Jul 2025214 PMAQI
13th Jul 2025195 PMAQI
13th Jul 2025196 PMAQI
13th Jul 2025207 PMAQI
13th Jul 2025198 PMAQI
13th Jul 2025179 PMAQI
13th Jul 20251710 PMAQI
13th Jul 20251811 PMAQI
14th Jul 20251812 AMAQI
14th Jul 2025161 AMAQI
14th Jul 2025152 AMAQI
14th Jul 2025163 AMAQI
14th Jul 2025154 AMAQI

27°C19/36°C

14th Jul 2025145 AMAQI
14th Jul 2025156 AMAQI
14th Jul 2025167 AMAQI
14th Jul 2025168 AMAQI
14th Jul 2025159 AMAQI
14th Jul 20251410 AMAQI
14th Jul 20251411 AMAQI
14th Jul 20251512 PMAQI
14th Jul 2025141 PMAQI
14th Jul 2025162 PMAQI
14th Jul 2025143 PMAQI
14th Jul 2025144 PMAQI
14th Jul 2025145 PMAQI
14th Jul 2025156 PMAQI
14th Jul 2025147 PMAQI
14th Jul 2025158 PMAQI
14th Jul 2025169 PMAQI
14th Jul 20251810 PMAQI
14th Jul 20251711 PMAQI
15th Jul 20251812 AMAQI
15th Jul 2025181 AMAQI
15th Jul 2025172 AMAQI
15th Jul 2025183 AMAQI
15th Jul 2025174 AMAQI

21°C16/29°C

15th Jul 2025175 AMAQI
15th Jul 2025186 AMAQI
15th Jul 2025187 AMAQI
15th Jul 2025188 AMAQI
15th Jul 2025199 AMAQI
15th Jul 20252210 AMAQI
15th Jul 20252111 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025211 PMAQI
15th Jul 2025212 PMAQI
15th Jul 2025203 PMAQI
15th Jul 2025214 PMAQI
15th Jul 2025225 PMAQI
15th Jul 2025226 PMAQI
15th Jul 2025207 PMAQI
15th Jul 2025208 PMAQI
15th Jul 2025229 PMAQI
15th Jul 20252310 PMAQI
15th Jul 20252211 PMAQI
16th Jul 20252312 AMAQI
16th Jul 2025221 AMAQI
16th Jul 2025212 AMAQI
16th Jul 2025213 AMAQI
16th Jul 2025224 AMAQI

24°C15/35°C

16th Jul 2025225 AMAQI
16th Jul 2025246 AMAQI
16th Jul 2025217 AMAQI
16th Jul 2025208 AMAQI
16th Jul 2025209 AMAQI
16th Jul 20252010 AMAQI
16th Jul 20252111 AMAQI
16th Jul 20252312 PMAQI
16th Jul 2025241 PMAQI
16th Jul 2025242 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025254 PMAQI
16th Jul 2025245 PMAQI
16th Jul 2025236 PMAQI
16th Jul 2025227 PMAQI
16th Jul 2025218 PMAQI
16th Jul 2025219 PMAQI
16th Jul 20252010 PMAQI
16th Jul 20252211 PMAQI
17th Jul 20252112 AMAQI
17th Jul 2025221 AMAQI
17th Jul 2025222 AMAQI
17th Jul 2025243 AMAQI
17th Jul 2025284 AMAQI

29°C22/37°C

17th Jul 2025335 AMAQI
17th Jul 2025326 AMAQI
17th Jul 2025347 AMAQI
17th Jul 2025328 AMAQI
17th Jul 2025329 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20253111 AMAQI
17th Jul 20253012 PMAQI
17th Jul 2025311 PMAQI
17th Jul 2025332 PMAQI
17th Jul 2025303 PMAQI
17th Jul 2025304 PMAQI
17th Jul 2025295 PMAQI
17th Jul 2025306 PMAQI
17th Jul 2025307 PMAQI
17th Jul 2025298 PMAQI
17th Jul 2025269 PMAQI
17th Jul 20252410 PMAQI
17th Jul 20252411 PMAQI
18th Jul 20252412 AMAQI
18th Jul 2025261 AMAQI
18th Jul 2025262 AMAQI
18th Jul 2025273 AMAQI
18th Jul 2025264 AMAQI

24°C16/32°C

18th Jul 2025285 AMAQI
18th Jul 2025286 AMAQI
18th Jul 2025297 AMAQI
18th Jul 2025308 AMAQI
18th Jul 2025299 AMAQI
18th Jul 20252810 AMAQI
18th Jul 20252911 AMAQI
18th Jul 20253312 PMAQI
18th Jul 2025331 PMAQI
18th Jul 2025322 PMAQI
18th Jul 2025313 PMAQI
18th Jul 2025314 PMAQI
18th Jul 2025325 PMAQI
18th Jul 2025306 PMAQI
18th Jul 2025277 PMAQI
18th Jul 2025278 PMAQI
18th Jul 2025229 PMAQI
18th Jul 20252210 PMAQI
18th Jul 20252211 PMAQI
19th Jul 20252112 AMAQI
19th Jul 2025211 AMAQI
19th Jul 2025202 AMAQI
19th Jul 2025193 AMAQI
19th Jul 2025164 AMAQI

22°C17/29°C

19th Jul 2025165 AMAQI
19th Jul 2025176 AMAQI
19th Jul 2025217 AMAQI
19th Jul 2025288 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20252010 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025203 PMAQI
19th Jul 2025214 PMAQI
19th Jul 2025215 PMAQI
19th Jul 2025226 PMAQI
19th Jul 2025217 PMAQI
19th Jul 2025208 PMAQI
19th Jul 2025229 PMAQI
19th Jul 20252210 PMAQI
19th Jul 20252311 PMAQI
20th Jul 20252312 AMAQI
20th Jul 2025231 AMAQI
20th Jul 2025222 AMAQI
20th Jul 2025223 AMAQI
20th Jul 2025214 AMAQI

19°C15/25°C

20th Jul 2025205 AMAQI
20th Jul 2025206 AMAQI
20th Jul 2025207 AMAQI
20th Jul 2025208 AMAQI
20th Jul 2025209 AMAQI
20th Jul 20251810 AMAQI
20th Jul 20251911 AMAQI
20th Jul 20251712 PMAQI
20th Jul 2025181 PMAQI
20th Jul 2025202 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025194 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025206 PMAQI
20th Jul 2025217 PMAQI
20th Jul 2025208 PMAQI
20th Jul 2025219 PMAQI
20th Jul 20252010 PMAQI
20th Jul 20252111 PMAQI
21st Jul 20252212 AMAQI
21st Jul 2025231 AMAQI
21st Jul 2025242 AMAQI
21st Jul 2025223 AMAQI
21st Jul 2025224 AMAQI

18°C14/22°C

21st Jul 2025205 AMAQI
21st Jul 2025186 AMAQI
21st Jul 2025207 AMAQI
21st Jul 2025208 AMAQI
21st Jul 2025209 AMAQI
21st Jul 20252010 AMAQI
21st Jul 20252111 AMAQI
21st Jul 20252212 PMAQI
21st Jul 2025221 PMAQI
21st Jul 2025222 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025224 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025226 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025238 PMAQI
21st Jul 2025229 PMAQI
21st Jul 20252210 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252312 AMAQI
22nd Jul 2025241 AMAQI
22nd Jul 2025222 AMAQI
22nd Jul 2025223 AMAQI
22nd Jul 2025224 AMAQI

20°C16/23°C

22nd Jul 2025215 AMAQI
22nd Jul 2025226 AMAQI
22nd Jul 2025237 AMAQI
22nd Jul 2025248 AMAQI
22nd Jul 2025249 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025231 PMAQI
22nd Jul 2025242 PMAQI
22nd Jul 2025233 PMAQI
22nd Jul 2025234 PMAQI
22nd Jul 2025235 PMAQI
22nd Jul 2025216 PMAQI
22nd Jul 2025227 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025229 PMAQI
22nd Jul 20252110 PMAQI
22nd Jul 20252011 PMAQI
23rd Jul 20252012 AMAQI
23rd Jul 2025211 AMAQI
23rd Jul 2025212 AMAQI
23rd Jul 2025203 AMAQI
23rd Jul 2025184 AMAQI

22°C15/30°C

23rd Jul 2025205 AMAQI
23rd Jul 2025196 AMAQI
23rd Jul 2025187 AMAQI
23rd Jul 2025188 AMAQI
23rd Jul 2025189 AMAQI
23rd Jul 20251810 AMAQI
23rd Jul 20252011 AMAQI
23rd Jul 20252212 PMAQI
23rd Jul 2025231 PMAQI
23rd Jul 2025222 PMAQI
23rd Jul 2025223 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025225 PMAQI
23rd Jul 2025216 PMAQI
23rd Jul 2025207 PMAQI
23rd Jul 2025218 PMAQI
23rd Jul 2025219 PMAQI
23rd Jul 20252010 PMAQI
23rd Jul 20251911 PMAQI
24th Jul 20251812 AMAQI
24th Jul 2025171 AMAQI
24th Jul 2025182 AMAQI
24th Jul 2025163 AMAQI
24th Jul 2025184 AMAQI

24°C17/34°C

24th Jul 2025185 AMAQI
24th Jul 2025206 AMAQI
24th Jul 2025207 AMAQI
24th Jul 2025198 AMAQI
24th Jul 2025199 AMAQI
24th Jul 20251710 AMAQI
24th Jul 20251811 AMAQI
24th Jul 20251812 PMAQI
24th Jul 2025201 PMAQI
24th Jul 2025202 PMAQI
24th Jul 2025193 PMAQI
24th Jul 2025214 PMAQI
24th Jul 2025215 PMAQI
24th Jul 2025226 PMAQI
24th Jul 2025207 PMAQI
24th Jul 2025218 PMAQI
24th Jul 2025239 PMAQI
24th Jul 20252010 PMAQI
24th Jul 20251811 PMAQI
25th Jul 20251612 AMAQI
25th Jul 2025161 AMAQI
25th Jul 2025172 AMAQI
25th Jul 2025173 AMAQI
25th Jul 2025174 AMAQI

23°C17/31°C

25th Jul 2025205 AMAQI
25th Jul 2025206 AMAQI
25th Jul 2025207 AMAQI
25th Jul 2025188 AMAQI
25th Jul 2025179 AMAQI
25th Jul 20251610 AMAQI
25th Jul 20251611 AMAQI
25th Jul 20251612 PMAQI
25th Jul 2025161 PMAQI
25th Jul 2025162 PMAQI
25th Jul 2025173 PMAQI
25th Jul 2025174 PMAQI
25th Jul 2025175 PMAQI
25th Jul 2025176 PMAQI
25th Jul 2025187 PMAQI
25th Jul 2025188 PMAQI
25th Jul 2025179 PMAQI
25th Jul 20251610 PMAQI
25th Jul 20251611 PMAQI
26th Jul 20251712 AMAQI
26th Jul 2025161 AMAQI
26th Jul 2025172 AMAQI
26th Jul 2025163 AMAQI
26th Jul 2025154 AMAQI

19°C15/24°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 2025181 PMAQI
26th Jul 2025172 PMAQI
26th Jul 2025173 PMAQI
26th Jul 2025184 PMAQI
26th Jul 2025185 PMAQI
26th Jul 2025176 PMAQI
26th Jul 2025177 PMAQI
26th Jul 2025178 PMAQI
26th Jul 2025189 PMAQI
26th Jul 20251810 PMAQI
26th Jul 20251911 PMAQI
27th Jul 20251912 AMAQI
27th Jul 2025201 AMAQI
27th Jul 2025222 AMAQI
27th Jul 2025213 AMAQI
27th Jul 2025224 AMAQI

17°C14/21°C

27th Jul 2025245 AMAQI
27th Jul 2025256 AMAQI
27th Jul 2025257 AMAQI
27th Jul 2025248 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20252212 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025203 PMAQI
27th Jul 2025214 PMAQI
27th Jul 2025215 PMAQI
27th Jul 2025216 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025218 PMAQI
27th Jul 2025199 PMAQI
27th Jul 20251910 PMAQI
27th Jul 20252111 PMAQI
28th Jul 20252012 AMAQI
28th Jul 2025221 AMAQI
28th Jul 2025222 AMAQI
28th Jul 2025223 AMAQI
28th Jul 2025204 AMAQI

20°C15/28°C

28th Jul 2025225 AMAQI
28th Jul 2025226 AMAQI
28th Jul 2025217 AMAQI
28th Jul 2025228 AMAQI
28th Jul 2025219 AMAQI
28th Jul 20252010 AMAQI
28th Jul 20252111 AMAQI
28th Jul 20252212 PMAQI
28th Jul 2025221 PMAQI
28th Jul 2025232 PMAQI
28th Jul 2025223 PMAQI
28th Jul 2025224 PMAQI
28th Jul 2025255 PMAQI
28th Jul 2025206 PMAQI
28th Jul 2025217 PMAQI
28th Jul 2025218 PMAQI
28th Jul 2025209 PMAQI
28th Jul 20252010 PMAQI
28th Jul 20251911 PMAQI
29th Jul 20251912 AMAQI
29th Jul 2025191 AMAQI
29th Jul 2025192 AMAQI
29th Jul 2025163 AMAQI
29th Jul 2025174 AMAQI

22°C15/31°C

29th Jul 2025175 AMAQI
29th Jul 2025176 AMAQI
29th Jul 2025177 AMAQI
29th Jul 2025178 AMAQI
29th Jul 2025179 AMAQI
29th Jul 20251710 AMAQI
29th Jul 20251811 AMAQI
29th Jul 20251812 PMAQI
29th Jul 2025181 PMAQI
29th Jul 2025192 PMAQI
29th Jul 2025183 PMAQI
29th Jul 2025194 PMAQI
29th Jul 2025205 PMAQI
29th Jul 2025196 PMAQI
29th Jul 2025197 PMAQI
29th Jul 2025198 PMAQI
29th Jul 2025199 PMAQI
29th Jul 20251910 PMAQI
29th Jul 20252011 PMAQI
30th Jul 20252212 AMAQI
30th Jul 2025231 AMAQI
30th Jul 2025242 AMAQI
30th Jul 2025243 AMAQI
30th Jul 2025244 AMAQI

25°C17/35°C

30th Jul 2025235 AMAQI
30th Jul 2025226 AMAQI
30th Jul 2025217 AMAQI
30th Jul 2025198 AMAQI
30th Jul 2025189 AMAQI
30th Jul 20251810 AMAQI
30th Jul 20251811 AMAQI
30th Jul 20251812 PMAQI
30th Jul 2025181 PMAQI
30th Jul 2025202 PMAQI
30th Jul 2025213 PMAQI
30th Jul 2025214 PMAQI
30th Jul 2025215 PMAQI
30th Jul 2025216 PMAQI
30th Jul 2025217 PMAQI
30th Jul 2025218 PMAQI
30th Jul 2025259 PMAQI
30th Jul 20252610 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252312 AMAQI
31st Jul 2025221 AMAQI
31st Jul 2025222 AMAQI
31st Jul 2025213 AMAQI
31st Jul 2025194 AMAQI

24°C18/32°C

31st Jul 2025185 AMAQI
31st Jul 2025186 AMAQI
31st Jul 2025227 AMAQI
31st Jul 2025208 AMAQI
31st Jul 2025199 AMAQI
31st Jul 20252310 AMAQI
31st Jul 20252811 AMAQI
31st Jul 20253012 PMAQI
31st Jul 2025301 PMAQI
31st Jul 2025262 PMAQI
31st Jul 2025233 PMAQI
31st Jul 2025224 PMAQI
31st Jul 2025205 PMAQI
31st Jul 2025206 PMAQI
31st Jul 2025257 PMAQI
31st Jul 2025238 PMAQI
31st Jul 2025209 PMAQI
31st Jul 20251910 PMAQI
31st Jul 20252011 PMAQI
1st Aug 20251912 AMAQI
1st Aug 2025181 AMAQI
1st Aug 2025182 AMAQI
1st Aug 2025213 AMAQI
1st Aug 2025204 AMAQI

22°C17/30°C

1st Aug 2025195 AMAQI
1st Aug 2025196 AMAQI
1st Aug 2025177 AMAQI
1st Aug 2025168 AMAQI
1st Aug 2025159 AMAQI
1st Aug 20251510 AMAQI
1st Aug 20251611 AMAQI
1st Aug 20251612 PMAQI
1st Aug 2025161 PMAQI
1st Aug 2025182 PMAQI
1st Aug 2025193 PMAQI
1st Aug 2025204 PMAQI
1st Aug 2025205 PMAQI
1st Aug 2025206 PMAQI
1st Aug 2025187 PMAQI
1st Aug 2025188 PMAQI
1st Aug 2025189 PMAQI
1st Aug 20251810 PMAQI
1st Aug 20251911 PMAQI
2nd Aug 20252012 AMAQI
2nd Aug 2025181 AMAQI
2nd Aug 2025172 AMAQI
2nd Aug 2025193 AMAQI
2nd Aug 2025184 AMAQI

22°C17/30°C

2nd Aug 2025165 AMAQI
2nd Aug 2025166 AMAQI
2nd Aug 2025167 AMAQI
2nd Aug 2025168 AMAQI
2nd Aug 2025149 AMAQI
2nd Aug 20251510 AMAQI
2nd Aug 20251511 AMAQI
2nd Aug 20251412 PMAQI
2nd Aug 2025151 PMAQI
2nd Aug 2025142 PMAQI
2nd Aug 2025143 PMAQI
2nd Aug 2025144 PMAQI
2nd Aug 2025145 PMAQI
2nd Aug 2025146 PMAQI
2nd Aug 2025187 PMAQI
2nd Aug 2025168 PMAQI
2nd Aug 2025179 PMAQI
2nd Aug 20251810 PMAQI
2nd Aug 20251811 PMAQI
3rd Aug 20252012 AMAQI
3rd Aug 2025201 AMAQI
3rd Aug 2025222 AMAQI
3rd Aug 2025213 AMAQI
3rd Aug 2025204 AMAQI

19°C17/22°C

3rd Aug 2025205 AMAQI
3rd Aug 2025196 AMAQI
3rd Aug 2025197 AMAQI
3rd Aug 2025188 AMAQI
3rd Aug 2025189 AMAQI
3rd Aug 20251710 AMAQI
3rd Aug 20251711 AMAQI
3rd Aug 20251612 PMAQI
3rd Aug 2025171 PMAQI
3rd Aug 2025172 PMAQI
3rd Aug 2025173 PMAQI
3rd Aug 2025184 PMAQI
3rd Aug 2025205 PMAQI
3rd Aug 2025206 PMAQI
3rd Aug 2025207 PMAQI
3rd Aug 2025208 PMAQI
3rd Aug 2025229 PMAQI
3rd Aug 20252210 PMAQI
3rd Aug 20252111 PMAQI
4th Aug 20252312 AMAQI
4th Aug 2025241 AMAQI
4th Aug 2025272 AMAQI
4th Aug 2025253 AMAQI
4th Aug 2025234 AMAQI

18°C15/22°C

4th Aug 2025225 AMAQI
5 AM
4th Aug 2025206 AMAQI
4th Aug 2025217 AMAQI
4th Aug 2025208 AMAQI
4th Aug 2025209 AMAQI
4th Aug 20251910 AMAQI
4th Aug 20252011 AMAQI
4th Aug 20252112 PMAQI
12 PM
4th Aug 2025231 PMAQI
4th Aug 2025242 PMAQI
4th Aug 2025243 PMAQI
4th Aug 2025274 PMAQI
4th Aug 2025285 PMAQI
4th Aug 2025276 PMAQI
4th Aug 2025207 PMAQI
4th Aug 2025268 PMAQI
8 PM
4th Aug 2025349 PMAQI
12 AM
4 AM

18°C16/23°C

Day time
Avg. Highest Time
5 AM - 8 PM

20AQI

16 hours / Day
480 hours / Month
Avg. Lowest Time
9 AM - 10 AM

19AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 20), while the lowest AQI was between 9 AM to 10 AM (Avg. 19).
Night time
Avg. Highest Time
12 AM - 11 PM

20AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM

19AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 20), while the lowest AQI was between 12 AM to 12 AM (Avg. 19).

2025 Days Vs Air Quality

Brentwood Darlington, Portland, Oregon, United States

2025

100%

131

Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)

Good
131 Days
Moderate
0 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under 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

Brentwood Darlington, Portland, 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 March 2025
18AQI
2nd March 2025
16AQI
3rd March 2025
16AQI
4th March 2025
16AQI
5th March 2025
20AQI
6th March 2025
16AQI
1st April 2025
23AQI
2nd April 2025
18AQI
3rd April 2025
22AQI
4th April 2025
27AQI
5th April 2025
18AQI
6th April 2025
30AQI
7th April 2025
16AQI
8th April 2025
15AQI
9th April 2025
16AQI
10th April 2025
22AQI
11th April 2025
17AQI
12th April 2025
17AQI
13th April 2025
19AQI
14th April 2025
19AQI
15th April 2025
19AQI
16th April 2025
21AQI
17th April 2025
20AQI
18th April 2025
21AQI
19th April 2025
21AQI
20th April 2025
19AQI
21st April 2025
15AQI
22nd April 2025
16AQI
23rd April 2025
19AQI
24th April 2025
25AQI
25th April 2025
31AQI
26th April 2025
25AQI
27th April 2025
22AQI
28th April 2025
14AQI
29th April 2025
16AQI
30th April 2025
19AQI
1st May 2025
25AQI
2nd May 2025
22AQI
3rd May 2025
14AQI
4th May 2025
15AQI
5th May 2025
17AQI
6th May 2025
20AQI
7th May 2025
20AQI
8th May 2025
18AQI
9th May 2025
23AQI
10th May 2025
23AQI
11th May 2025
15AQI
12th May 2025
19AQI
13th May 2025
18AQI
14th May 2025
19AQI
15th May 2025
19AQI
16th May 2025
21AQI
17th May 2025
16AQI
18th May 2025
15AQI
19th May 2025
17AQI
20th May 2025
12AQI
21st May 2025
14AQI
22nd May 2025
19AQI
23rd May 2025
16AQI
24th May 2025
18AQI
25th May 2025
18AQI
26th May 2025
15AQI
27th May 2025
16AQI
28th May 2025
19AQI
29th May 2025
15AQI
30th May 2025
18AQI
31st May 2025
17AQI
1st June 2025
16AQI
2nd June 2025
19AQI
3rd June 2025
21AQI
4th June 2025
15AQI
5th June 2025
16AQI
6th June 2025
19AQI
7th June 2025
19AQI
8th June 2025
28AQI
9th June 2025
29AQI
10th June 2025
27AQI
11th June 2025
31AQI
12th June 2025
27AQI
13th June 2025
19AQI
14th June 2025
18AQI
15th June 2025
21AQI
16th June 2025
22AQI
17th June 2025
19AQI
18th June 2025
15AQI
19th June 2025
16AQI
20th June 2025
16AQI
21st June 2025
18AQI
22nd June 2025
17AQI
23rd June 2025
23AQI
24th June 2025
29AQI
25th June 2025
30AQI
26th June 2025
17AQI
27th June 2025
15AQI
28th June 2025
14AQI
29th June 2025
18AQI
30th June 2025
21AQI
1st July 2025
19AQI
2nd July 2025
14AQI
3rd July 2025
14AQI
4th July 2025
16AQI
5th July 2025
23AQI
6th July 2025
17AQI
7th July 2025
18AQI
8th July 2025
20AQI
9th July 2025
15AQI
10th July 2025
14AQI
11th July 2025
18AQI
12th July 2025
17AQI
13th July 2025
20AQI
14th July 2025
15AQI
15th July 2025
20AQI
16th July 2025
22AQI
17th July 2025
28AQI
18th July 2025
28AQI
19th July 2025
20AQI
20th July 2025
20AQI
21st July 2025
22AQI
22nd July 2025
23AQI
23rd July 2025
20AQI
24th July 2025
19AQI
25th July 2025
17AQI
26th July 2025
17AQI
27th July 2025
22AQI
28th July 2025
21AQI
29th July 2025
18AQI
30th July 2025
22AQI
31st July 2025
22AQI
1st August 2025
18AQI
2nd August 2025
16AQI
3rd August 2025
19AQI

17AQI

20AQI

18AQI

21AQI

19AQI

18AQI

No. of days

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

202519AQI

6
30
31
30
31
3
131

Highest AQI recorded in

June

21AQI

Lowest AQI recorded in

March

17AQI

Most & Least Polluted Years Over the Last 1 Years

Most Polluted Year Recorded
2025(Avg.)
19AQI
Least Polluted Year Recorded
2025(Avg.)
19AQI

Brentwood Darlington's annual 2025 AQI (19) shows an average percentage change of NaN% (improved AQI) compared to previous years: .