Tualatin, 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
Tualatin, Oregon, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Aug 2023
112AQILowest AQI recorded on
6th Aug 2021
14AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 20 of Good air quality, showing improvement over 2024, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Tualatin, Oregon, United States
AQI
Day
Night
.
5 AM3rd Aug 2025
8 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
5PM3rd Aug
22AQI
Avg. Lowest Time
1PM3rd Aug
16AQI
Night time
Avg. Highest Time
9PM3rd Aug
24AQI
Avg. Lowest Time
4AM4th Aug
22AQI
In the last 24 hours,
Tualatin's AQI reached its highest point of 24 at 9 PM during the Night, while the lowest point, 16, was recorded at 1 PM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tualatin, 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 2025245 AMAQI
5th Jul 2025276 AMAQI
5th Jul 2025297 AMAQI
5th Jul 2025268 AMAQI
5th Jul 2025269 AMAQI
5th Jul 20253010 AMAQI
5th Jul 20252811 AMAQI
5th Jul 20252812 PMAQI
5th Jul 2025221 PMAQI
5th Jul 2025222 PMAQI
5th Jul 2025223 PMAQI
5th Jul 2025214 PMAQI
5th Jul 2025185 PMAQI
5th Jul 2025206 PMAQI
5th Jul 2025197 PMAQI
5th Jul 2025218 PMAQI
5th Jul 2025189 PMAQI
5th Jul 20251710 PMAQI
5th Jul 20251811 PMAQI
6th Jul 20251812 AMAQI
6th Jul 2025181 AMAQI
6th Jul 2025202 AMAQI
6th Jul 2025193 AMAQI
6th Jul 2025194 AMAQI
--°C/°C
6th Jul 2025175 AMAQI
6th Jul 2025176 AMAQI
6th Jul 2025187 AMAQI
6th Jul 2025188 AMAQI
6th Jul 2025189 AMAQI
6th Jul 20251910 AMAQI
6th Jul 20251911 AMAQI
6th Jul 20251612 PMAQI
6th Jul 2025181 PMAQI
6th Jul 2025182 PMAQI
6th Jul 2025183 PMAQI
6th Jul 2025184 PMAQI
6th Jul 2025185 PMAQI
6th Jul 2025176 PMAQI
6th Jul 2025177 PMAQI
6th Jul 2025178 PMAQI
6th Jul 2025169 PMAQI
6th Jul 20251710 PMAQI
6th Jul 20251711 PMAQI
7th Jul 20251712 AMAQI
7th Jul 2025181 AMAQI
7th Jul 2025172 AMAQI
7th Jul 2025183 AMAQI
7th Jul 2025184 AMAQI
22°C14/31°C
7th Jul 2025185 AMAQI
7th Jul 2025196 AMAQI
7th Jul 2025187 AMAQI
7th Jul 2025188 AMAQI
7th Jul 2025189 AMAQI
7th Jul 20251810 AMAQI
7th Jul 20252011 AMAQI
7th Jul 20252312 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 2025197 PMAQI
7th Jul 2025188 PMAQI
7th Jul 2025199 PMAQI
7th Jul 20251810 PMAQI
7th Jul 20251911 PMAQI
8th Jul 20252012 AMAQI
8th Jul 2025201 AMAQI
8th Jul 2025212 AMAQI
8th Jul 2025213 AMAQI
8th Jul 2025204 AMAQI
23°C15/33°C
8th Jul 2025225 AMAQI
8th Jul 2025216 AMAQI
8th Jul 2025227 AMAQI
8th Jul 2025248 AMAQI
8th Jul 2025259 AMAQI
8th Jul 20252410 AMAQI
8th Jul 20252411 AMAQI
8th Jul 20252212 PMAQI
8th Jul 2025221 PMAQI
8th Jul 2025242 PMAQI
8th Jul 2025233 PMAQI
8th Jul 2025234 PMAQI
8th Jul 2025225 PMAQI
8th Jul 2025226 PMAQI
8th Jul 2025227 PMAQI
8th Jul 2025228 PMAQI
8th Jul 2025229 PMAQI
8th Jul 20252210 PMAQI
8th Jul 20252011 PMAQI
9th Jul 20252012 AMAQI
9th Jul 2025171 AMAQI
9th Jul 2025152 AMAQI
9th Jul 2025173 AMAQI
9th Jul 2025184 AMAQI
24°C16/34°C
9th Jul 2025145 AMAQI
9th Jul 2025156 AMAQI
9th Jul 2025157 AMAQI
9th Jul 2025138 AMAQI
9th Jul 2025149 AMAQI
9th Jul 20251410 AMAQI
9th Jul 20251311 AMAQI
9th Jul 20251412 PMAQI
9th Jul 2025141 PMAQI
9th Jul 2025132 PMAQI
9th Jul 2025143 PMAQI
9th Jul 2025154 PMAQI
9th Jul 2025155 PMAQI
9th Jul 2025166 PMAQI
9th Jul 2025167 PMAQI
9th Jul 2025168 PMAQI
9th Jul 2025189 PMAQI
9th Jul 20251810 PMAQI
9th Jul 20251611 PMAQI
10th Jul 20251612 AMAQI
10th Jul 2025161 AMAQI
10th Jul 2025162 AMAQI
10th Jul 2025143 AMAQI
10th Jul 2025144 AMAQI
21°C17/26°C
10th Jul 2025135 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 2025151 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 2025158 PMAQI
10th Jul 2025159 PMAQI
10th Jul 20251710 PMAQI
10th Jul 20251711 PMAQI
11th Jul 20251712 AMAQI
11th Jul 2025161 AMAQI
11th Jul 2025152 AMAQI
11th Jul 2025163 AMAQI
11th Jul 2025164 AMAQI
20°C18/24°C
11th Jul 2025185 AMAQI
11th Jul 2025166 AMAQI
11th Jul 2025167 AMAQI
11th Jul 2025178 AMAQI
11th Jul 2025189 AMAQI
11th Jul 20252010 AMAQI
11th Jul 20252111 AMAQI
11th Jul 20252112 PMAQI
11th Jul 2025221 PMAQI
11th Jul 2025222 PMAQI
11th Jul 2025203 PMAQI
11th Jul 2025194 PMAQI
11th Jul 2025195 PMAQI
11th Jul 2025206 PMAQI
11th Jul 2025187 PMAQI
11th Jul 2025188 PMAQI
11th Jul 2025189 PMAQI
11th Jul 20252010 PMAQI
11th Jul 20252011 PMAQI
12th Jul 20251812 AMAQI
12th Jul 2025201 AMAQI
12th Jul 2025182 AMAQI
12th Jul 2025183 AMAQI
12th Jul 2025194 AMAQI
23°C16/33°C
12th Jul 2025195 AMAQI
12th Jul 2025206 AMAQI
12th Jul 2025187 AMAQI
12th Jul 2025198 AMAQI
12th Jul 2025199 AMAQI
12th Jul 20251910 AMAQI
12th Jul 20251811 AMAQI
12th Jul 20251612 PMAQI
12th Jul 2025151 PMAQI
12th Jul 2025172 PMAQI
12th Jul 2025183 PMAQI
12th Jul 2025184 PMAQI
12th Jul 2025185 PMAQI
12th Jul 2025186 PMAQI
12th Jul 2025197 PMAQI
12th Jul 2025188 PMAQI
12th Jul 2025189 PMAQI
12th Jul 20251810 PMAQI
12th Jul 20251911 PMAQI
13th Jul 20251812 AMAQI
13th Jul 2025181 AMAQI
13th Jul 2025192 AMAQI
13th Jul 2025213 AMAQI
13th Jul 2025194 AMAQI
24°C17/33°C
13th Jul 2025215 AMAQI
13th Jul 2025196 AMAQI
13th Jul 2025197 AMAQI
13th Jul 2025218 AMAQI
13th Jul 2025199 AMAQI
13th Jul 20252010 AMAQI
13th Jul 20252111 AMAQI
13th Jul 20252012 PMAQI
13th Jul 2025241 PMAQI
13th Jul 2025232 PMAQI
13th Jul 2025203 PMAQI
13th Jul 2025204 PMAQI
13th Jul 2025195 PMAQI
13th Jul 2025196 PMAQI
13th Jul 2025207 PMAQI
13th Jul 2025208 PMAQI
13th Jul 2025209 PMAQI
13th Jul 20251810 PMAQI
13th Jul 20251811 PMAQI
14th Jul 20251812 AMAQI
14th Jul 2025181 AMAQI
14th Jul 2025182 AMAQI
14th Jul 2025173 AMAQI
14th Jul 2025174 AMAQI
26°C18/36°C
14th Jul 2025145 AMAQI
14th Jul 2025156 AMAQI
14th Jul 2025167 AMAQI
14th Jul 2025168 AMAQI
14th Jul 2025159 AMAQI
14th Jul 20251510 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251912 PMAQI
14th Jul 2025141 PMAQI
14th Jul 2025172 PMAQI
14th Jul 2025143 PMAQI
14th Jul 2025144 PMAQI
14th Jul 2025145 PMAQI
14th Jul 2025166 PMAQI
14th Jul 2025167 PMAQI
14th Jul 2025178 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 2025184 AMAQI
21°C16/29°C
15th Jul 2025225 AMAQI
15th Jul 2025166 AMAQI
15th Jul 2025187 AMAQI
15th Jul 2025218 AMAQI
15th Jul 2025189 AMAQI
15th Jul 20251810 AMAQI
15th Jul 20251911 AMAQI
15th Jul 20252112 PMAQI
15th Jul 2025231 PMAQI
15th Jul 2025222 PMAQI
15th Jul 2025223 PMAQI
15th Jul 2025224 PMAQI
15th Jul 2025215 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 20252412 AMAQI
16th Jul 2025221 AMAQI
16th Jul 2025222 AMAQI
16th Jul 2025223 AMAQI
16th Jul 2025214 AMAQI
24°C14/35°C
16th Jul 2025185 AMAQI
16th Jul 2025216 AMAQI
16th Jul 2025207 AMAQI
16th Jul 2025208 AMAQI
16th Jul 2025209 AMAQI
16th Jul 20252010 AMAQI
16th Jul 20252211 AMAQI
16th Jul 20252212 PMAQI
16th Jul 2025261 PMAQI
16th Jul 2025242 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025254 PMAQI
16th Jul 2025245 PMAQI
16th Jul 2025246 PMAQI
16th Jul 2025237 PMAQI
16th Jul 2025238 PMAQI
16th Jul 2025249 PMAQI
16th Jul 20252510 PMAQI
16th Jul 20252411 PMAQI
17th Jul 20252412 AMAQI
17th Jul 2025231 AMAQI
17th Jul 2025232 AMAQI
17th Jul 2025233 AMAQI
17th Jul 2025314 AMAQI
29°C21/37°C
17th Jul 2025265 AMAQI
17th Jul 2025296 AMAQI
17th Jul 2025347 AMAQI
17th Jul 2025338 AMAQI
17th Jul 2025329 AMAQI
17th Jul 20253210 AMAQI
17th Jul 20253111 AMAQI
17th Jul 20253012 PMAQI
17th Jul 2025331 PMAQI
17th Jul 2025312 PMAQI
17th Jul 2025323 PMAQI
17th Jul 2025334 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025316 PMAQI
17th Jul 2025327 PMAQI
17th Jul 2025328 PMAQI
17th Jul 2025309 PMAQI
17th Jul 20252910 PMAQI
17th Jul 20252811 PMAQI
18th Jul 20252812 AMAQI
18th Jul 2025271 AMAQI
18th Jul 2025292 AMAQI
18th Jul 2025283 AMAQI
18th Jul 2025284 AMAQI
24°C15/32°C
18th Jul 2025285 AMAQI
18th Jul 2025306 AMAQI
18th Jul 2025307 AMAQI
18th Jul 2025278 AMAQI
18th Jul 2025319 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253111 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025401 PMAQI
18th Jul 2025322 PMAQI
18th Jul 2025313 PMAQI
18th Jul 2025314 PMAQI
18th Jul 2025325 PMAQI
18th Jul 2025326 PMAQI
18th Jul 2025307 PMAQI
18th Jul 2025308 PMAQI
18th Jul 2025279 PMAQI
18th Jul 20252610 PMAQI
18th Jul 20252611 PMAQI
19th Jul 20252512 AMAQI
19th Jul 2025241 AMAQI
19th Jul 2025242 AMAQI
19th Jul 2025253 AMAQI
19th Jul 2025214 AMAQI
22°C16/29°C
19th Jul 2025205 AMAQI
19th Jul 2025216 AMAQI
19th Jul 2025187 AMAQI
19th Jul 2025208 AMAQI
19th Jul 2025199 AMAQI
19th Jul 20251910 AMAQI
19th Jul 20251911 AMAQI
19th Jul 20252112 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025225 PMAQI
19th Jul 2025226 PMAQI
19th Jul 2025217 PMAQI
19th Jul 2025218 PMAQI
19th Jul 2025239 PMAQI
19th Jul 20252310 PMAQI
19th Jul 20252311 PMAQI
20th Jul 20252312 AMAQI
20th Jul 2025221 AMAQI
20th Jul 2025222 AMAQI
20th Jul 2025233 AMAQI
20th Jul 2025224 AMAQI
19°C16/28°C
20th Jul 2025205 AMAQI
20th Jul 2025216 AMAQI
20th Jul 2025207 AMAQI
20th Jul 2025198 AMAQI
20th Jul 2025189 AMAQI
20th Jul 20251810 AMAQI
20th Jul 20251811 AMAQI
20th Jul 20251912 PMAQI
20th Jul 2025181 PMAQI
20th Jul 2025202 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025204 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025206 PMAQI
20th Jul 2025217 PMAQI
20th Jul 2025218 PMAQI
20th Jul 2025219 PMAQI
20th Jul 20252010 PMAQI
20th Jul 20252211 PMAQI
21st Jul 20252212 AMAQI
21st Jul 2025231 AMAQI
21st Jul 2025232 AMAQI
21st Jul 2025203 AMAQI
21st Jul 2025204 AMAQI
18°C14/22°C
21st Jul 2025205 AMAQI
21st Jul 2025216 AMAQI
21st Jul 2025207 AMAQI
21st Jul 2025228 AMAQI
21st Jul 2025209 AMAQI
21st Jul 20252010 AMAQI
21st Jul 20252111 AMAQI
21st Jul 20252212 PMAQI
21st Jul 2025261 PMAQI
21st Jul 2025242 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025234 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025236 PMAQI
21st Jul 2025227 PMAQI
21st Jul 2025238 PMAQI
21st Jul 2025229 PMAQI
21st Jul 20252110 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252212 AMAQI
22nd Jul 2025231 AMAQI
22nd Jul 2025222 AMAQI
22nd Jul 2025223 AMAQI
22nd Jul 2025244 AMAQI
20°C16/24°C
22nd Jul 2025215 AMAQI
22nd Jul 2025266 AMAQI
22nd Jul 2025237 AMAQI
22nd Jul 2025238 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252611 AMAQI
22nd Jul 20252612 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025262 PMAQI
22nd Jul 2025243 PMAQI
22nd Jul 2025254 PMAQI
22nd Jul 2025245 PMAQI
22nd Jul 2025246 PMAQI
22nd Jul 2025247 PMAQI
22nd Jul 2025248 PMAQI
22nd Jul 2025249 PMAQI
22nd Jul 20252510 PMAQI
22nd Jul 20252411 PMAQI
23rd Jul 20252312 AMAQI
23rd Jul 2025221 AMAQI
23rd Jul 2025232 AMAQI
23rd Jul 2025233 AMAQI
23rd Jul 2025224 AMAQI
21°C15/30°C
23rd Jul 2025225 AMAQI
23rd Jul 2025226 AMAQI
23rd Jul 2025227 AMAQI
23rd Jul 2025258 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252010 AMAQI
23rd Jul 20252211 AMAQI
23rd Jul 20252212 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025242 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025235 PMAQI
23rd Jul 2025236 PMAQI
23rd Jul 2025227 PMAQI
23rd Jul 2025228 PMAQI
23rd Jul 2025239 PMAQI
23rd Jul 20252310 PMAQI
23rd Jul 20252211 PMAQI
24th Jul 20252212 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025202 AMAQI
24th Jul 2025203 AMAQI
24th Jul 2025184 AMAQI
24°C17/34°C
24th Jul 2025185 AMAQI
24th Jul 2025196 AMAQI
24th Jul 2025177 AMAQI
24th Jul 2025188 AMAQI
24th Jul 2025209 AMAQI
24th Jul 20252210 AMAQI
24th Jul 20252011 AMAQI
24th Jul 20252012 PMAQI
24th Jul 2025221 PMAQI
24th Jul 2025222 PMAQI
24th Jul 2025213 PMAQI
24th Jul 2025214 PMAQI
24th Jul 2025225 PMAQI
24th Jul 2025226 PMAQI
24th Jul 2025227 PMAQI
24th Jul 2025238 PMAQI
24th Jul 2025249 PMAQI
24th Jul 20252210 PMAQI
24th Jul 20252011 PMAQI
25th Jul 20251912 AMAQI
25th Jul 2025181 AMAQI
25th Jul 2025182 AMAQI
25th Jul 2025173 AMAQI
25th Jul 2025164 AMAQI
23°C16/31°C
25th Jul 2025205 AMAQI
25th Jul 2025226 AMAQI
25th Jul 2025207 AMAQI
25th Jul 2025208 AMAQI
25th Jul 2025189 AMAQI
25th Jul 20251610 AMAQI
25th Jul 20251711 AMAQI
25th Jul 20251812 PMAQI
25th Jul 2025201 PMAQI
25th Jul 2025182 PMAQI
25th Jul 2025183 PMAQI
25th Jul 2025184 PMAQI
25th Jul 2025185 PMAQI
25th Jul 2025186 PMAQI
25th Jul 2025197 PMAQI
25th Jul 2025208 PMAQI
25th Jul 2025189 PMAQI
25th Jul 20251610 PMAQI
25th Jul 20251711 PMAQI
26th Jul 20251812 AMAQI
26th Jul 2025171 AMAQI
26th Jul 2025182 AMAQI
26th Jul 2025163 AMAQI
26th Jul 2025164 AMAQI
19°C15/24°C
26th Jul 2025135 AMAQI
26th Jul 2025146 AMAQI
26th Jul 2025147 AMAQI
26th Jul 2025158 AMAQI
26th Jul 2025159 AMAQI
26th Jul 20251610 AMAQI
26th Jul 20251611 AMAQI
26th Jul 20251612 PMAQI
26th Jul 2025181 PMAQI
26th Jul 2025172 PMAQI
26th Jul 2025163 PMAQI
26th Jul 2025164 PMAQI
26th Jul 2025165 PMAQI
26th Jul 2025166 PMAQI
26th Jul 2025177 PMAQI
26th Jul 2025178 PMAQI
26th Jul 2025189 PMAQI
26th Jul 20251810 PMAQI
26th Jul 20251811 PMAQI
27th Jul 20251812 AMAQI
27th Jul 2025181 AMAQI
27th Jul 2025202 AMAQI
27th Jul 2025193 AMAQI
27th Jul 2025224 AMAQI
17°C13/21°C
27th Jul 2025235 AMAQI
27th Jul 2025226 AMAQI
27th Jul 2025227 AMAQI
27th Jul 2025228 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252311 AMAQI
27th Jul 20252312 PMAQI
27th Jul 2025251 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025223 PMAQI
27th Jul 2025224 PMAQI
27th Jul 2025225 PMAQI
27th Jul 2025216 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025218 PMAQI
27th Jul 2025209 PMAQI
27th Jul 20251910 PMAQI
27th Jul 20252111 PMAQI
28th Jul 20252212 AMAQI
28th Jul 2025231 AMAQI
28th Jul 2025222 AMAQI
28th Jul 2025223 AMAQI
28th Jul 2025194 AMAQI
20°C15/27°C
28th Jul 2025215 AMAQI
28th Jul 2025226 AMAQI
28th Jul 2025227 AMAQI
28th Jul 2025238 AMAQI
28th Jul 2025229 AMAQI
28th Jul 20252310 AMAQI
28th Jul 20252611 AMAQI
28th Jul 20252412 PMAQI
28th Jul 2025261 PMAQI
28th Jul 2025242 PMAQI
28th Jul 2025233 PMAQI
28th Jul 2025234 PMAQI
28th Jul 2025235 PMAQI
28th Jul 2025236 PMAQI
28th Jul 2025237 PMAQI
28th Jul 2025238 PMAQI
28th Jul 2025249 PMAQI
28th Jul 20252310 PMAQI
28th Jul 20252211 PMAQI
29th Jul 20252212 AMAQI
29th Jul 2025221 AMAQI
29th Jul 2025202 AMAQI
29th Jul 2025183 AMAQI
29th Jul 2025194 AMAQI
22°C14/31°C
29th Jul 2025235 AMAQI
29th Jul 2025216 AMAQI
29th Jul 2025187 AMAQI
29th Jul 2025188 AMAQI
29th Jul 2025209 AMAQI
29th Jul 20252010 AMAQI
29th Jul 20252411 AMAQI
29th Jul 20251812 PMAQI
29th Jul 2025211 PMAQI
29th Jul 2025222 PMAQI
29th Jul 2025213 PMAQI
29th Jul 2025214 PMAQI
29th Jul 2025215 PMAQI
29th Jul 2025216 PMAQI
29th Jul 2025217 PMAQI
29th Jul 2025228 PMAQI
29th Jul 2025229 PMAQI
29th Jul 20252110 PMAQI
29th Jul 20252011 PMAQI
30th Jul 20252212 AMAQI
30th Jul 2025221 AMAQI
30th Jul 2025222 AMAQI
30th Jul 2025223 AMAQI
30th Jul 2025244 AMAQI
24°C16/35°C
30th Jul 2025245 AMAQI
30th Jul 2025256 AMAQI
30th Jul 2025247 AMAQI
30th Jul 2025248 AMAQI
30th Jul 2025259 AMAQI
30th Jul 20252410 AMAQI
30th Jul 20252111 AMAQI
30th Jul 20252012 PMAQI
30th Jul 2025261 PMAQI
30th Jul 2025222 PMAQI
30th Jul 2025233 PMAQI
30th Jul 2025234 PMAQI
30th Jul 2025235 PMAQI
30th Jul 2025236 PMAQI
30th Jul 2025237 PMAQI
30th Jul 2025238 PMAQI
30th Jul 2025249 PMAQI
30th Jul 20252610 PMAQI
30th Jul 20252511 PMAQI
31st Jul 20252512 AMAQI
31st Jul 2025231 AMAQI
31st Jul 2025232 AMAQI
31st Jul 2025203 AMAQI
31st Jul 2025174 AMAQI
23°C17/33°C
31st Jul 2025195 AMAQI
31st Jul 2025176 AMAQI
31st Jul 2025217 AMAQI
31st Jul 2025208 AMAQI
31st Jul 2025209 AMAQI
31st Jul 20252310 AMAQI
31st Jul 20252811 AMAQI
31st Jul 20253012 PMAQI
31st Jul 2025311 PMAQI
31st Jul 2025262 PMAQI
31st Jul 2025243 PMAQI
31st Jul 2025224 PMAQI
31st Jul 2025205 PMAQI
31st Jul 2025206 PMAQI
31st Jul 2025267 PMAQI
31st Jul 2025238 PMAQI
31st Jul 2025209 PMAQI
31st Jul 20252010 PMAQI
31st Jul 20252011 PMAQI
1st Aug 20251912 AMAQI
1st Aug 2025201 AMAQI
1st Aug 2025192 AMAQI
1st Aug 2025193 AMAQI
1st Aug 2025184 AMAQI
22°C17/31°C
1st Aug 2025165 AMAQI
1st Aug 2025166 AMAQI
1st Aug 2025157 AMAQI
1st Aug 2025158 AMAQI
1st Aug 2025159 AMAQI
1st Aug 20251510 AMAQI
1st Aug 20251611 AMAQI
1st Aug 20251612 PMAQI
1st Aug 2025161 PMAQI
1st Aug 2025172 PMAQI
1st Aug 2025193 PMAQI
1st Aug 2025174 PMAQI
1st Aug 2025185 PMAQI
1st Aug 2025186 PMAQI
1st Aug 2025187 PMAQI
1st Aug 2025188 PMAQI
1st Aug 2025189 PMAQI
1st Aug 20251810 PMAQI
1st Aug 20251911 PMAQI
2nd Aug 20251812 AMAQI
2nd Aug 2025181 AMAQI
2nd Aug 2025162 AMAQI
2nd Aug 2025173 AMAQI
2nd Aug 2025184 AMAQI
22°C16/31°C
2nd Aug 2025175 AMAQI
2nd Aug 2025166 AMAQI
2nd Aug 2025157 AMAQI
2nd Aug 2025148 AMAQI
2nd Aug 2025149 AMAQI
2nd Aug 20251410 AMAQI
2nd Aug 20251411 AMAQI
2nd Aug 20251312 PMAQI
2nd Aug 2025141 PMAQI
2nd Aug 2025132 PMAQI
2nd Aug 2025143 PMAQI
2nd Aug 2025144 PMAQI
2nd Aug 2025145 PMAQI
2nd Aug 2025136 PMAQI
2nd Aug 2025167 PMAQI
2nd Aug 2025168 PMAQI
2nd Aug 2025179 PMAQI
2nd Aug 20251710 PMAQI
2nd Aug 20251811 PMAQI
3rd Aug 20252012 AMAQI
3rd Aug 2025191 AMAQI
3rd Aug 2025212 AMAQI
3rd Aug 2025213 AMAQI
3rd Aug 2025204 AMAQI
19°C17/22°C
3rd Aug 2025195 AMAQI
3rd Aug 2025196 AMAQI
3rd Aug 2025197 AMAQI
3rd Aug 2025178 AMAQI
3rd Aug 2025189 AMAQI
3rd Aug 20251810 AMAQI
3rd Aug 20251811 AMAQI
3rd Aug 20251812 PMAQI
3rd Aug 2025161 PMAQI
3rd Aug 2025182 PMAQI
3rd Aug 2025183 PMAQI
3rd Aug 2025194 PMAQI
3rd Aug 2025225 PMAQI
3rd Aug 2025226 PMAQI
3rd Aug 2025207 PMAQI
3rd Aug 2025218 PMAQI
3rd Aug 2025249 PMAQI
3rd Aug 20252410 PMAQI
3rd Aug 20252211 PMAQI
4th Aug 20252312 AMAQI
4th Aug 2025221 AMAQI
4th Aug 2025222 AMAQI
4th Aug 2025223 AMAQI
4th Aug 2025224 AMAQI
18°C15/22°C
4th Aug 2025215 AMAQI
5 AM4th Aug 2025206 AMAQI
4th Aug 2025207 AMAQI
4th Aug 2025218 AMAQI
4th Aug 2025209 AMAQI
4th Aug 20252010 AMAQI
4th Aug 20252011 AMAQI
4th Aug 20252012 PMAQI
12 PM4th Aug 2025221 PMAQI
4th Aug 2025202 PMAQI
4th Aug 2025223 PMAQI
4th Aug 2025244 PMAQI
4th Aug 2025245 PMAQI
4th Aug 2025266 PMAQI
4th Aug 2025217 PMAQI
4th Aug 2025288 PMAQI
8 PM4th Aug 2025359 PMAQI
4th Aug 20253610 PMAQI
12 AM
4 AM
18°C15/23°C
Day time
Avg. Highest Time
5 AM - 8 PM
21AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
21AQI
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. 21), while the lowest AQI was between 5 AM to 8 PM (Avg. 21).
Night time
Avg. Highest Time
12 AM - 11 PM
21AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
21AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 21), while the lowest AQI was between 12 AM to 11 PM (Avg. 21).
2025 Days Vs Air Quality
Tualatin, Oregon, United States
2025
97%
209
3%
6
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
209 DaysModerate
6 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% 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
Tualatin, 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
31AQI
31AQI
2nd January 2025
24AQI
24AQI
3rd January 2025
22AQI
22AQI
4th January 2025
19AQI
19AQI
5th January 2025
20AQI
20AQI
6th January 2025
21AQI
21AQI
7th January 2025
20AQI
20AQI
8th January 2025
29AQI
29AQI
9th January 2025
28AQI
28AQI
10th January 2025
37AQI
37AQI
11th January 2025
25AQI
25AQI
12th January 2025
29AQI
29AQI
13th January 2025
39AQI
39AQI
14th January 2025
49AQI
49AQI
15th January 2025
45AQI
45AQI
16th January 2025
52AQI
52AQI
17th January 2025
46AQI
46AQI
18th January 2025
34AQI
34AQI
19th January 2025
44AQI
44AQI
20th January 2025
26AQI
26AQI
21st January 2025
52AQI
52AQI
22nd January 2025
58AQI
58AQI
23rd January 2025
50AQI
50AQI
24th January 2025
47AQI
47AQI
25th January 2025
30AQI
30AQI
26th January 2025
26AQI
26AQI
27th January 2025
32AQI
32AQI
28th January 2025
42AQI
42AQI
29th January 2025
58AQI
58AQI
30th January 2025
69AQI
69AQI
31st January 2025
37AQI
37AQI
1st February 2025
21AQI
21AQI
2nd February 2025
23AQI
23AQI
3rd February 2025
21AQI
21AQI
4th February 2025
33AQI
33AQI
5th February 2025
30AQI
30AQI
6th February 2025
25AQI
25AQI
7th February 2025
27AQI
27AQI
8th February 2025
25AQI
25AQI
9th February 2025
40AQI
40AQI
10th February 2025
34AQI
34AQI
11th February 2025
24AQI
24AQI
12th February 2025
24AQI
24AQI
13th February 2025
24AQI
24AQI
14th February 2025
28AQI
28AQI
15th February 2025
45AQI
45AQI
16th February 2025
24AQI
24AQI
17th February 2025
22AQI
22AQI
18th February 2025
20AQI
20AQI
19th February 2025
22AQI
22AQI
20th February 2025
22AQI
22AQI
21st February 2025
26AQI
26AQI
22nd February 2025
24AQI
24AQI
23rd February 2025
18AQI
18AQI
24th February 2025
22AQI
22AQI
25th February 2025
23AQI
23AQI
26th February 2025
26AQI
26AQI
27th February 2025
31AQI
31AQI
28th February 2025
45AQI
45AQI
1st March 2025
44AQI
44AQI
2nd March 2025
24AQI
24AQI
3rd March 2025
26AQI
26AQI
4th March 2025
23AQI
23AQI
5th March 2025
32AQI
32AQI
6th March 2025
32AQI
32AQI
7th March 2025
31AQI
31AQI
8th March 2025
36AQI
36AQI
9th March 2025
37AQI
37AQI
10th March 2025
29AQI
29AQI
11th March 2025
51AQI
51AQI
12th March 2025
22AQI
22AQI
13th March 2025
19AQI
19AQI
14th March 2025
22AQI
22AQI
15th March 2025
20AQI
20AQI
16th March 2025
18AQI
18AQI
17th March 2025
22AQI
22AQI
18th March 2025
19AQI
19AQI
19th March 2025
19AQI
19AQI
20th March 2025
15AQI
15AQI
21st March 2025
16AQI
16AQI
22nd March 2025
23AQI
23AQI
23rd March 2025
18AQI
18AQI
24th March 2025
20AQI
20AQI
25th March 2025
27AQI
27AQI
26th March 2025
30AQI
30AQI
27th March 2025
18AQI
18AQI
28th March 2025
16AQI
16AQI
29th March 2025
18AQI
18AQI
30th March 2025
23AQI
23AQI
31st March 2025
17AQI
17AQI
1st April 2025
27AQI
27AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
23AQI
23AQI
4th April 2025
31AQI
31AQI
5th April 2025
25AQI
25AQI
6th April 2025
33AQI
33AQI
7th April 2025
16AQI
16AQI
8th April 2025
15AQI
15AQI
9th April 2025
21AQI
21AQI
10th April 2025
26AQI
26AQI
11th April 2025
20AQI
20AQI
12th April 2025
20AQI
20AQI
13th April 2025
25AQI
25AQI
14th April 2025
21AQI
21AQI
15th April 2025
26AQI
26AQI
16th April 2025
29AQI
29AQI
17th April 2025
26AQI
26AQI
18th April 2025
25AQI
25AQI
19th April 2025
25AQI
25AQI
20th April 2025
22AQI
22AQI
21st April 2025
18AQI
18AQI
22nd April 2025
18AQI
18AQI
23rd April 2025
19AQI
19AQI
24th April 2025
24AQI
24AQI
25th April 2025
34AQI
34AQI
26th April 2025
28AQI
28AQI
27th April 2025
22AQI
22AQI
28th April 2025
15AQI
15AQI
29th April 2025
18AQI
18AQI
30th April 2025
19AQI
19AQI
1st May 2025
26AQI
26AQI
2nd May 2025
25AQI
25AQI
3rd May 2025
14AQI
14AQI
4th May 2025
15AQI
15AQI
5th May 2025
17AQI
17AQI
6th May 2025
20AQI
20AQI
7th May 2025
27AQI
27AQI
8th May 2025
23AQI
23AQI
9th May 2025
26AQI
26AQI
10th May 2025
26AQI
26AQI
11th May 2025
15AQI
15AQI
12th May 2025
21AQI
21AQI
13th May 2025
21AQI
21AQI
14th May 2025
24AQI
24AQI
15th May 2025
22AQI
22AQI
16th May 2025
21AQI
21AQI
17th May 2025
15AQI
15AQI
18th May 2025
16AQI
16AQI
19th May 2025
16AQI
16AQI
20th May 2025
13AQI
13AQI
21st May 2025
15AQI
15AQI
22nd May 2025
22AQI
22AQI
23rd May 2025
16AQI
16AQI
24th May 2025
20AQI
20AQI
25th May 2025
19AQI
19AQI
26th May 2025
15AQI
15AQI
27th May 2025
18AQI
18AQI
28th May 2025
24AQI
24AQI
29th May 2025
17AQI
17AQI
30th May 2025
21AQI
21AQI
31st May 2025
19AQI
19AQI
1st June 2025
16AQI
16AQI
2nd June 2025
21AQI
21AQI
3rd June 2025
23AQI
23AQI
4th June 2025
17AQI
17AQI
5th June 2025
17AQI
17AQI
6th June 2025
21AQI
21AQI
7th June 2025
20AQI
20AQI
8th June 2025
35AQI
35AQI
9th June 2025
34AQI
34AQI
10th June 2025
35AQI
35AQI
11th June 2025
35AQI
35AQI
12th June 2025
32AQI
32AQI
13th June 2025
22AQI
22AQI
14th June 2025
20AQI
20AQI
15th June 2025
21AQI
21AQI
16th June 2025
27AQI
27AQI
17th June 2025
22AQI
22AQI
18th June 2025
16AQI
16AQI
19th June 2025
16AQI
16AQI
20th June 2025
16AQI
16AQI
21st June 2025
12AQI
12AQI
22nd June 2025
12AQI
12AQI
23rd June 2025
23AQI
23AQI
24th June 2025
34AQI
34AQI
25th June 2025
32AQI
32AQI
26th June 2025
21AQI
21AQI
27th June 2025
15AQI
15AQI
28th June 2025
15AQI
15AQI
29th June 2025
18AQI
18AQI
30th June 2025
22AQI
22AQI
1st July 2025
21AQI
21AQI
2nd July 2025
16AQI
16AQI
3rd July 2025
15AQI
15AQI
4th July 2025
16AQI
16AQI
5th July 2025
21AQI
21AQI
6th July 2025
18AQI
18AQI
7th July 2025
18AQI
18AQI
8th July 2025
22AQI
22AQI
9th July 2025
16AQI
16AQI
10th July 2025
15AQI
15AQI
11th July 2025
18AQI
18AQI
12th July 2025
18AQI
18AQI
13th July 2025
20AQI
20AQI
14th July 2025
16AQI
16AQI
15th July 2025
20AQI
20AQI
16th July 2025
22AQI
22AQI
17th July 2025
29AQI
29AQI
18th July 2025
29AQI
29AQI
19th July 2025
22AQI
22AQI
20th July 2025
21AQI
21AQI
21st July 2025
22AQI
22AQI
22nd July 2025
24AQI
24AQI
23rd July 2025
23AQI
23AQI
24th July 2025
21AQI
21AQI
25th July 2025
18AQI
18AQI
26th July 2025
16AQI
16AQI
27th July 2025
21AQI
21AQI
28th July 2025
23AQI
23AQI
29th July 2025
21AQI
21AQI
30th July 2025
23AQI
23AQI
31st July 2025
22AQI
22AQI
1st August 2025
17AQI
17AQI
2nd August 2025
16AQI
16AQI
3rd August 2025
20AQI
20AQI
37AQI
27AQI
25AQI
23AQI
20AQI
22AQI
20AQI
18AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202525AQI
26
5
28
30
1
30
31
30
31
3
209
6
Highest AQI recorded in
January37AQI
Lowest AQI recorded in
August18AQI
202427AQI
31
29
31
30
31
30
30
1
30
1
27
3
30
1
26
4
28
3
353
13
Highest AQI recorded in
November34AQI
Lowest AQI recorded in
May19AQI
202331AQI
28
3
23
5
29
2
30
31
30
29
2
23
7
1
30
30
1
22
7
31
336
27
1
Highest AQI recorded in
August40AQI
Lowest AQI recorded in
April24AQI
202234AQI
27
3
17
5
30
1
30
31
30
20
1
3
23
7
13
13
3
2
21
9
26
5
271
44
3
2
Highest AQI recorded in
October63AQI
Lowest AQI recorded in
May22AQI
202129AQI
26
4
28
25
6
30
31
30
31
28
3
30
29
2
27
3
31
346
18
Highest AQI recorded in
March39AQI
Lowest AQI recorded in
May23AQI
202039AQI
7
20
18
30
30
1
30
1
19
3
1
2
5
24
7
22
8
28
3
228
23
1
2
5
Highest AQI recorded in
September105AQI
Lowest AQI recorded in
June20AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
39AQILeast Polluted Year Recorded
2025(Avg.)
25AQITualatin's annual 2025 AQI (25) shows an average percentage change of -21.9% (improved AQI) compared to previous years: 2020 (39), 2021 (29), 2022 (34), 2023 (31), 2024 (27).
