South 2nd Street, Mount Vernon, Washington, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
South 2nd Street, Mount Vernon, Washington, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2025
29AQILowest AQI recorded on
7th Aug 2025
16AQISame Day Analysis (10th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 20 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 11th Aug - 12th Aug 2025
South 2nd Street, Mount Vernon, Washington, United States
AQI
Day
Night
.
5 AM11th Aug 2025
8 PM
4 AM12th Aug 2025
Day time
Avg. Highest Time
1PM11th Aug
25AQI
Avg. Lowest Time
8PM11th Aug
22AQI
Night time
Avg. Highest Time
1AM12th Aug
23AQI
Avg. Lowest Time
12AM12th Aug
21AQI
In the last 24 hours,
South 2nd Street's AQI reached its highest point of 25 at 1 PM during the Day, while the lowest point, 21, was recorded at 12 AM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
South 2nd Street, Mount Vernon, Washington, 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 2025155 AMAQI
13th Jul 2025166 AMAQI
13th Jul 2025167 AMAQI
13th Jul 2025178 AMAQI
13th Jul 2025179 AMAQI
13th Jul 20251810 AMAQI
13th Jul 20251811 AMAQI
13th Jul 20251912 PMAQI
13th Jul 2025181 PMAQI
13th Jul 2025182 PMAQI
13th Jul 2025193 PMAQI
13th Jul 2025204 PMAQI
13th Jul 2025195 PMAQI
13th Jul 2025196 PMAQI
13th Jul 2025187 PMAQI
13th Jul 2025188 PMAQI
13th Jul 2025189 PMAQI
13th Jul 20251810 PMAQI
13th Jul 20251811 PMAQI
14th Jul 20251812 AMAQI
14th Jul 2025161 AMAQI
14th Jul 2025152 AMAQI
14th Jul 2025153 AMAQI
14th Jul 2025164 AMAQI
20°C14/27°C
14th Jul 2025165 AMAQI
14th Jul 2025166 AMAQI
14th Jul 2025167 AMAQI
14th Jul 2025168 AMAQI
14th Jul 2025169 AMAQI
14th Jul 20251610 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251612 PMAQI
14th Jul 2025161 PMAQI
14th Jul 2025182 PMAQI
14th Jul 2025173 PMAQI
14th Jul 2025184 PMAQI
14th Jul 2025165 PMAQI
14th Jul 2025176 PMAQI
14th Jul 2025177 PMAQI
14th Jul 2025188 PMAQI
14th Jul 2025179 PMAQI
14th Jul 20251810 PMAQI
14th Jul 20251711 PMAQI
15th Jul 20251812 AMAQI
15th Jul 2025171 AMAQI
15th Jul 2025162 AMAQI
15th Jul 2025163 AMAQI
15th Jul 2025164 AMAQI
15°C13/19°C
15th Jul 2025165 AMAQI
15th Jul 2025166 AMAQI
15th Jul 2025177 AMAQI
15th Jul 2025168 AMAQI
15th Jul 2025179 AMAQI
15th Jul 20251810 AMAQI
15th Jul 20251811 AMAQI
15th Jul 20251812 PMAQI
15th Jul 2025181 PMAQI
15th Jul 2025182 PMAQI
15th Jul 2025183 PMAQI
15th Jul 2025184 PMAQI
15th Jul 2025185 PMAQI
15th Jul 2025196 PMAQI
15th Jul 2025187 PMAQI
15th Jul 2025208 PMAQI
15th Jul 2025199 PMAQI
15th Jul 20251910 PMAQI
15th Jul 20251911 PMAQI
16th Jul 20252012 AMAQI
16th Jul 2025201 AMAQI
16th Jul 2025202 AMAQI
16th Jul 2025203 AMAQI
16th Jul 2025204 AMAQI
18°C12/24°C
16th Jul 2025225 AMAQI
16th Jul 2025216 AMAQI
16th Jul 2025207 AMAQI
16th Jul 2025208 AMAQI
16th Jul 2025219 AMAQI
16th Jul 20252110 AMAQI
16th Jul 20252311 AMAQI
16th Jul 20252212 PMAQI
16th Jul 2025231 PMAQI
16th Jul 2025232 PMAQI
16th Jul 2025233 PMAQI
16th Jul 2025224 PMAQI
16th Jul 2025245 PMAQI
16th Jul 2025246 PMAQI
16th Jul 2025237 PMAQI
16th Jul 2025228 PMAQI
16th Jul 2025239 PMAQI
16th Jul 20252210 PMAQI
16th Jul 20252211 PMAQI
17th Jul 20252312 AMAQI
17th Jul 2025231 AMAQI
17th Jul 2025232 AMAQI
17th Jul 2025223 AMAQI
17th Jul 2025234 AMAQI
22°C17/27°C
17th Jul 2025225 AMAQI
17th Jul 2025246 AMAQI
17th Jul 2025247 AMAQI
17th Jul 2025248 AMAQI
17th Jul 2025259 AMAQI
17th Jul 20252410 AMAQI
17th Jul 20252611 AMAQI
17th Jul 20252512 PMAQI
17th Jul 2025251 PMAQI
17th Jul 2025262 PMAQI
17th Jul 2025263 PMAQI
17th Jul 2025274 PMAQI
17th Jul 2025275 PMAQI
17th Jul 2025266 PMAQI
17th Jul 2025257 PMAQI
17th Jul 2025248 PMAQI
17th Jul 2025269 PMAQI
17th Jul 20252410 PMAQI
17th Jul 20252611 PMAQI
18th Jul 20252612 AMAQI
18th Jul 2025261 AMAQI
18th Jul 2025252 AMAQI
18th Jul 2025253 AMAQI
18th Jul 2025234 AMAQI
18°C12/25°C
18th Jul 2025225 AMAQI
18th Jul 2025236 AMAQI
18th Jul 2025227 AMAQI
18th Jul 2025228 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20252110 AMAQI
18th Jul 20252111 AMAQI
18th Jul 20252212 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025243 PMAQI
18th Jul 2025234 PMAQI
18th Jul 2025235 PMAQI
18th Jul 2025226 PMAQI
18th Jul 2025227 PMAQI
18th Jul 2025218 PMAQI
18th Jul 2025229 PMAQI
18th Jul 20252210 PMAQI
18th Jul 20252211 PMAQI
19th Jul 20252212 AMAQI
19th Jul 2025201 AMAQI
19th Jul 2025212 AMAQI
19th Jul 2025203 AMAQI
19th Jul 2025194 AMAQI
16°C13/18°C
19th Jul 2025185 AMAQI
19th Jul 2025186 AMAQI
19th Jul 2025197 AMAQI
19th Jul 2025188 AMAQI
19th Jul 2025199 AMAQI
19th Jul 20251810 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025181 PMAQI
19th Jul 2025192 PMAQI
19th Jul 2025213 PMAQI
19th Jul 2025204 PMAQI
19th Jul 2025225 PMAQI
19th Jul 2025216 PMAQI
19th Jul 2025207 PMAQI
19th Jul 2025208 PMAQI
19th Jul 2025229 PMAQI
19th Jul 20252210 PMAQI
19th Jul 20252011 PMAQI
20th Jul 20252012 AMAQI
20th Jul 2025181 AMAQI
20th Jul 2025182 AMAQI
20th Jul 2025163 AMAQI
20th Jul 2025164 AMAQI
14°C12/17°C
20th Jul 2025175 AMAQI
20th Jul 2025166 AMAQI
20th Jul 2025187 AMAQI
20th Jul 2025178 AMAQI
20th Jul 2025179 AMAQI
20th Jul 20251710 AMAQI
20th Jul 20251711 AMAQI
20th Jul 20251712 PMAQI
20th Jul 2025171 PMAQI
20th Jul 2025182 PMAQI
20th Jul 2025193 PMAQI
20th Jul 2025204 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025206 PMAQI
20th Jul 2025187 PMAQI
20th Jul 2025188 PMAQI
20th Jul 2025199 PMAQI
20th Jul 20252010 PMAQI
20th Jul 20251911 PMAQI
21st Jul 20252012 AMAQI
21st Jul 2025181 AMAQI
21st Jul 2025182 AMAQI
21st Jul 2025183 AMAQI
21st Jul 2025184 AMAQI
15°C10/18°C
21st Jul 2025185 AMAQI
21st Jul 2025196 AMAQI
21st Jul 2025197 AMAQI
21st Jul 2025188 AMAQI
21st Jul 2025189 AMAQI
21st Jul 20251810 AMAQI
21st Jul 20251811 AMAQI
21st Jul 20251912 PMAQI
21st Jul 2025181 PMAQI
21st Jul 2025192 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025224 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025216 PMAQI
21st Jul 2025207 PMAQI
21st Jul 2025188 PMAQI
21st Jul 2025209 PMAQI
21st Jul 20252010 PMAQI
21st Jul 20252011 PMAQI
22nd Jul 20252012 AMAQI
22nd Jul 2025181 AMAQI
22nd Jul 2025182 AMAQI
22nd Jul 2025183 AMAQI
22nd Jul 2025184 AMAQI
16°C11/21°C
22nd Jul 2025185 AMAQI
22nd Jul 2025186 AMAQI
22nd Jul 2025187 AMAQI
22nd Jul 2025178 AMAQI
22nd Jul 2025189 AMAQI
22nd Jul 20251810 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20251812 PMAQI
22nd Jul 2025181 PMAQI
22nd Jul 2025182 PMAQI
22nd Jul 2025183 PMAQI
22nd Jul 2025184 PMAQI
22nd Jul 2025195 PMAQI
22nd Jul 2025206 PMAQI
22nd Jul 2025187 PMAQI
22nd Jul 2025198 PMAQI
22nd Jul 2025199 PMAQI
22nd Jul 20251910 PMAQI
22nd Jul 20252011 PMAQI
23rd Jul 20251912 AMAQI
23rd Jul 2025181 AMAQI
23rd Jul 2025162 AMAQI
23rd Jul 2025163 AMAQI
23rd Jul 2025154 AMAQI
16°C14/19°C
23rd Jul 2025155 AMAQI
23rd Jul 2025156 AMAQI
23rd Jul 2025167 AMAQI
23rd Jul 2025168 AMAQI
23rd Jul 2025169 AMAQI
23rd Jul 20251610 AMAQI
23rd Jul 20251711 AMAQI
23rd Jul 20251812 PMAQI
23rd Jul 2025171 PMAQI
23rd Jul 2025172 PMAQI
23rd Jul 2025193 PMAQI
23rd Jul 2025174 PMAQI
23rd Jul 2025185 PMAQI
23rd Jul 2025186 PMAQI
23rd Jul 2025197 PMAQI
23rd Jul 2025188 PMAQI
23rd Jul 2025199 PMAQI
23rd Jul 20251810 PMAQI
23rd Jul 20251811 PMAQI
24th Jul 20252012 AMAQI
24th Jul 2025171 AMAQI
24th Jul 2025172 AMAQI
24th Jul 2025163 AMAQI
24th Jul 2025154 AMAQI
17°C14/22°C
24th Jul 2025165 AMAQI
24th Jul 2025156 AMAQI
24th Jul 2025157 AMAQI
24th Jul 2025168 AMAQI
24th Jul 2025149 AMAQI
24th Jul 20251610 AMAQI
24th Jul 20251511 AMAQI
24th Jul 20251612 PMAQI
24th Jul 2025161 PMAQI
24th Jul 2025172 PMAQI
24th Jul 2025173 PMAQI
24th Jul 2025184 PMAQI
24th Jul 2025185 PMAQI
24th Jul 2025186 PMAQI
24th Jul 2025187 PMAQI
24th Jul 2025188 PMAQI
24th Jul 2025179 PMAQI
24th Jul 20251810 PMAQI
24th Jul 20251811 PMAQI
25th Jul 20251812 AMAQI
25th Jul 2025161 AMAQI
25th Jul 2025162 AMAQI
25th Jul 2025163 AMAQI
25th Jul 2025154 AMAQI
17°C14/21°C
25th Jul 2025145 AMAQI
25th Jul 2025146 AMAQI
25th Jul 2025167 AMAQI
25th Jul 2025158 AMAQI
25th Jul 2025159 AMAQI
25th Jul 20251410 AMAQI
25th Jul 20251511 AMAQI
25th Jul 20251612 PMAQI
25th Jul 2025141 PMAQI
25th Jul 2025162 PMAQI
25th Jul 2025163 PMAQI
25th Jul 2025164 PMAQI
25th Jul 2025165 PMAQI
25th Jul 2025176 PMAQI
25th Jul 2025177 PMAQI
25th Jul 2025168 PMAQI
25th Jul 2025169 PMAQI
25th Jul 20251710 PMAQI
25th Jul 20251611 PMAQI
26th Jul 20251812 AMAQI
26th Jul 2025171 AMAQI
26th Jul 2025162 AMAQI
26th Jul 2025163 AMAQI
26th Jul 2025174 AMAQI
14°C12/17°C
26th Jul 2025165 AMAQI
26th Jul 2025176 AMAQI
26th Jul 2025167 AMAQI
26th Jul 2025178 AMAQI
26th Jul 2025169 AMAQI
26th Jul 20251710 AMAQI
26th Jul 20251711 AMAQI
26th Jul 20251612 PMAQI
26th Jul 2025161 PMAQI
26th Jul 2025172 PMAQI
26th Jul 2025173 PMAQI
26th Jul 2025184 PMAQI
26th Jul 2025175 PMAQI
26th Jul 2025176 PMAQI
26th Jul 2025177 PMAQI
26th Jul 2025188 PMAQI
26th Jul 2025189 PMAQI
26th Jul 20252010 PMAQI
26th Jul 20251911 PMAQI
27th Jul 20251812 AMAQI
27th Jul 2025171 AMAQI
27th Jul 2025172 AMAQI
27th Jul 2025183 AMAQI
27th Jul 2025184 AMAQI
15°C11/21°C
27th Jul 2025185 AMAQI
27th Jul 2025186 AMAQI
27th Jul 2025187 AMAQI
27th Jul 2025188 AMAQI
27th Jul 2025179 AMAQI
27th Jul 20251810 AMAQI
27th Jul 20251811 AMAQI
27th Jul 20251912 PMAQI
27th Jul 2025181 PMAQI
27th Jul 2025192 PMAQI
27th Jul 2025193 PMAQI
27th Jul 2025194 PMAQI
27th Jul 2025205 PMAQI
27th Jul 2025206 PMAQI
27th Jul 2025187 PMAQI
27th Jul 2025198 PMAQI
27th Jul 2025219 PMAQI
27th Jul 20251910 PMAQI
27th Jul 20251911 PMAQI
28th Jul 20252012 AMAQI
28th Jul 2025181 AMAQI
28th Jul 2025182 AMAQI
28th Jul 2025173 AMAQI
28th Jul 2025184 AMAQI
15°C10/20°C
28th Jul 2025185 AMAQI
28th Jul 2025176 AMAQI
28th Jul 2025187 AMAQI
28th Jul 2025188 AMAQI
28th Jul 2025199 AMAQI
28th Jul 20251810 AMAQI
28th Jul 20251811 AMAQI
28th Jul 20251812 PMAQI
28th Jul 2025181 PMAQI
28th Jul 2025182 PMAQI
28th Jul 2025203 PMAQI
28th Jul 2025244 PMAQI
28th Jul 2025275 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025207 PMAQI
28th Jul 2025208 PMAQI
28th Jul 2025219 PMAQI
28th Jul 20252010 PMAQI
28th Jul 20252011 PMAQI
29th Jul 20251812 AMAQI
29th Jul 2025181 AMAQI
29th Jul 2025182 AMAQI
29th Jul 2025173 AMAQI
29th Jul 2025184 AMAQI
17°C12/23°C
29th Jul 2025175 AMAQI
29th Jul 2025186 AMAQI
29th Jul 2025197 AMAQI
29th Jul 2025198 AMAQI
29th Jul 2025199 AMAQI
29th Jul 20251910 AMAQI
29th Jul 20251911 AMAQI
29th Jul 20251812 PMAQI
29th Jul 2025191 PMAQI
29th Jul 2025202 PMAQI
29th Jul 2025213 PMAQI
29th Jul 2025224 PMAQI
29th Jul 2025225 PMAQI
29th Jul 2025216 PMAQI
29th Jul 2025207 PMAQI
29th Jul 2025208 PMAQI
29th Jul 2025229 PMAQI
29th Jul 20252110 PMAQI
29th Jul 20252111 PMAQI
30th Jul 20252012 AMAQI
30th Jul 2025181 AMAQI
30th Jul 2025182 AMAQI
30th Jul 2025173 AMAQI
30th Jul 2025204 AMAQI
18°C13/24°C
30th Jul 2025175 AMAQI
30th Jul 2025176 AMAQI
30th Jul 2025187 AMAQI
30th Jul 2025188 AMAQI
30th Jul 2025189 AMAQI
30th Jul 20251910 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 2025209 PMAQI
30th Jul 20252110 PMAQI
30th Jul 20252011 PMAQI
31st Jul 20252112 AMAQI
31st Jul 2025181 AMAQI
31st Jul 2025162 AMAQI
31st Jul 2025153 AMAQI
31st Jul 2025164 AMAQI
18°C13/25°C
31st Jul 2025145 AMAQI
31st Jul 2025166 AMAQI
31st Jul 2025187 AMAQI
31st Jul 2025208 AMAQI
31st Jul 2025169 AMAQI
31st Jul 20251710 AMAQI
31st Jul 20251611 AMAQI
31st Jul 20251812 PMAQI
31st Jul 2025181 PMAQI
31st Jul 2025182 PMAQI
31st Jul 2025183 PMAQI
31st Jul 2025194 PMAQI
31st Jul 2025185 PMAQI
31st Jul 2025196 PMAQI
31st Jul 2025207 PMAQI
31st Jul 2025228 PMAQI
31st Jul 2025219 PMAQI
31st Jul 20251810 PMAQI
31st Jul 20252011 PMAQI
1st Aug 20252012 AMAQI
1st Aug 2025191 AMAQI
1st Aug 2025182 AMAQI
1st Aug 2025193 AMAQI
1st Aug 2025184 AMAQI
18°C15/21°C
1st Aug 2025175 AMAQI
1st Aug 2025176 AMAQI
1st Aug 2025167 AMAQI
1st Aug 2025168 AMAQI
1st Aug 2025189 AMAQI
1st Aug 20251810 AMAQI
1st Aug 20251711 AMAQI
1st Aug 20251712 PMAQI
1st Aug 2025181 PMAQI
1st Aug 2025182 PMAQI
1st Aug 2025183 PMAQI
1st Aug 2025184 PMAQI
1st Aug 2025185 PMAQI
1st Aug 2025196 PMAQI
1st Aug 2025197 PMAQI
1st Aug 2025188 PMAQI
1st Aug 2025209 PMAQI
1st Aug 20252010 PMAQI
1st Aug 20252011 PMAQI
2nd Aug 20252312 AMAQI
2nd Aug 2025221 AMAQI
2nd Aug 2025202 AMAQI
2nd Aug 2025193 AMAQI
2nd Aug 2025194 AMAQI
17°C14/21°C
2nd Aug 2025205 AMAQI
2nd Aug 2025206 AMAQI
2nd Aug 2025177 AMAQI
2nd Aug 2025168 AMAQI
2nd Aug 2025169 AMAQI
2nd Aug 20251610 AMAQI
2nd Aug 20251411 AMAQI
2nd Aug 20251412 PMAQI
2nd Aug 2025151 PMAQI
2nd Aug 2025142 PMAQI
2nd Aug 2025153 PMAQI
2nd Aug 2025164 PMAQI
2nd Aug 2025195 PMAQI
2nd Aug 2025206 PMAQI
2nd Aug 2025197 PMAQI
2nd Aug 2025208 PMAQI
2nd Aug 2025229 PMAQI
2nd Aug 20252210 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252212 AMAQI
3rd Aug 2025221 AMAQI
3rd Aug 2025222 AMAQI
3rd Aug 2025213 AMAQI
3rd Aug 2025204 AMAQI
16°C13/18°C
3rd Aug 2025205 AMAQI
3rd Aug 2025216 AMAQI
3rd Aug 2025207 AMAQI
3rd Aug 2025208 AMAQI
3rd Aug 2025189 AMAQI
3rd Aug 20251910 AMAQI
3rd Aug 20252111 AMAQI
3rd Aug 20252212 PMAQI
3rd Aug 2025211 PMAQI
3rd Aug 2025212 PMAQI
3rd Aug 2025213 PMAQI
3rd Aug 2025224 PMAQI
3rd Aug 2025225 PMAQI
3rd Aug 2025226 PMAQI
3rd Aug 2025207 PMAQI
3rd Aug 2025248 PMAQI
3rd Aug 2025279 PMAQI
3rd Aug 20252610 PMAQI
3rd Aug 20252511 PMAQI
4th Aug 20252812 AMAQI
4th Aug 2025281 AMAQI
4th Aug 2025252 AMAQI
4th Aug 2025243 AMAQI
4th Aug 2025234 AMAQI
14°C12/15°C
4th Aug 2025245 AMAQI
4th Aug 2025286 AMAQI
4th Aug 2025287 AMAQI
4th Aug 2025288 AMAQI
4th Aug 2025279 AMAQI
4th Aug 20252610 AMAQI
4th Aug 20252711 AMAQI
4th Aug 20252812 PMAQI
4th Aug 2025261 PMAQI
4th Aug 2025282 PMAQI
4th Aug 2025273 PMAQI
4th Aug 2025314 PMAQI
4th Aug 2025325 PMAQI
4th Aug 2025346 PMAQI
4th Aug 2025267 PMAQI
4th Aug 2025328 PMAQI
4th Aug 2025349 PMAQI
4th Aug 20253610 PMAQI
4th Aug 20253111 PMAQI
5th Aug 20253012 AMAQI
5th Aug 2025291 AMAQI
5th Aug 2025282 AMAQI
5th Aug 2025283 AMAQI
5th Aug 2025254 AMAQI
15°C13/19°C
5th Aug 2025265 AMAQI
5th Aug 2025266 AMAQI
5th Aug 2025247 AMAQI
5th Aug 2025238 AMAQI
5th Aug 2025249 AMAQI
5th Aug 20252510 AMAQI
5th Aug 20252311 AMAQI
5th Aug 20252612 PMAQI
5th Aug 2025291 PMAQI
5th Aug 2025292 PMAQI
5th Aug 2025313 PMAQI
5th Aug 2025334 PMAQI
5th Aug 2025345 PMAQI
5th Aug 2025366 PMAQI
5th Aug 2025297 PMAQI
5th Aug 2025328 PMAQI
5th Aug 2025339 PMAQI
5th Aug 20253410 PMAQI
5th Aug 20253211 PMAQI
6th Aug 20253512 AMAQI
6th Aug 2025361 AMAQI
6th Aug 2025402 AMAQI
6th Aug 2025363 AMAQI
6th Aug 2025344 AMAQI
18°C12/22°C
6th Aug 2025305 AMAQI
6th Aug 2025296 AMAQI
6th Aug 2025267 AMAQI
6th Aug 2025258 AMAQI
6th Aug 2025229 AMAQI
6th Aug 20252310 AMAQI
6th Aug 20252211 AMAQI
6th Aug 20252212 PMAQI
6th Aug 2025251 PMAQI
6th Aug 2025262 PMAQI
6th Aug 2025193 PMAQI
6th Aug 2025184 PMAQI
6th Aug 2025185 PMAQI
6th Aug 2025186 PMAQI
6th Aug 2025237 PMAQI
6th Aug 2025208 PMAQI
6th Aug 2025169 PMAQI
6th Aug 20251610 PMAQI
6th Aug 20251611 PMAQI
7th Aug 20251812 AMAQI
7th Aug 2025181 AMAQI
7th Aug 2025172 AMAQI
7th Aug 2025163 AMAQI
7th Aug 2025144 AMAQI
17°C13/20°C
7th Aug 2025145 AMAQI
7th Aug 2025156 AMAQI
7th Aug 2025157 AMAQI
7th Aug 2025158 AMAQI
7th Aug 2025159 AMAQI
7th Aug 20251610 AMAQI
7th Aug 20251611 AMAQI
7th Aug 20251612 PMAQI
7th Aug 2025161 PMAQI
7th Aug 2025162 PMAQI
7th Aug 2025173 PMAQI
7th Aug 2025174 PMAQI
7th Aug 2025175 PMAQI
7th Aug 2025166 PMAQI
7th Aug 2025167 PMAQI
7th Aug 2025158 PMAQI
7th Aug 2025169 PMAQI
7th Aug 20251710 PMAQI
7th Aug 20251811 PMAQI
8th Aug 20251812 AMAQI
8th Aug 2025171 AMAQI
8th Aug 2025162 AMAQI
8th Aug 2025163 AMAQI
8th Aug 2025154 AMAQI
15°C12/21°C
8th Aug 2025145 AMAQI
8th Aug 2025166 AMAQI
8th Aug 2025157 AMAQI
8th Aug 2025168 AMAQI
8th Aug 2025169 AMAQI
8th Aug 20251610 AMAQI
8th Aug 20251611 AMAQI
8th Aug 20251612 PMAQI
8th Aug 2025161 PMAQI
8th Aug 2025162 PMAQI
8th Aug 2025173 PMAQI
8th Aug 2025184 PMAQI
8th Aug 2025175 PMAQI
8th Aug 2025176 PMAQI
8th Aug 2025177 PMAQI
8th Aug 2025178 PMAQI
8th Aug 2025179 PMAQI
8th Aug 20251710 PMAQI
8th Aug 20251811 PMAQI
9th Aug 20251812 AMAQI
9th Aug 2025171 AMAQI
9th Aug 2025182 AMAQI
9th Aug 2025173 AMAQI
9th Aug 2025174 AMAQI
15°C12/19°C
9th Aug 2025165 AMAQI
9th Aug 2025166 AMAQI
9th Aug 2025187 AMAQI
9th Aug 2025168 AMAQI
9th Aug 2025189 AMAQI
9th Aug 20251810 AMAQI
9th Aug 20251611 AMAQI
9th Aug 20251812 PMAQI
9th Aug 2025181 PMAQI
9th Aug 2025192 PMAQI
9th Aug 2025193 PMAQI
9th Aug 2025194 PMAQI
9th Aug 2025185 PMAQI
9th Aug 2025186 PMAQI
9th Aug 2025197 PMAQI
9th Aug 2025188 PMAQI
9th Aug 2025219 PMAQI
9th Aug 20252010 PMAQI
9th Aug 20252011 PMAQI
10th Aug 20252012 AMAQI
10th Aug 2025181 AMAQI
10th Aug 2025192 AMAQI
10th Aug 2025203 AMAQI
10th Aug 2025194 AMAQI
17°C12/22°C
10th Aug 2025185 AMAQI
10th Aug 2025186 AMAQI
10th Aug 2025197 AMAQI
10th Aug 2025198 AMAQI
10th Aug 2025189 AMAQI
10th Aug 20252010 AMAQI
10th Aug 20252011 AMAQI
10th Aug 20252212 PMAQI
10th Aug 2025221 PMAQI
10th Aug 2025222 PMAQI
10th Aug 2025223 PMAQI
10th Aug 2025224 PMAQI
10th Aug 2025235 PMAQI
10th Aug 2025226 PMAQI
10th Aug 2025217 PMAQI
10th Aug 2025208 PMAQI
10th Aug 2025209 PMAQI
10th Aug 20251910 PMAQI
10th Aug 20251911 PMAQI
11th Aug 20251812 AMAQI
11th Aug 2025221 AMAQI
11th Aug 2025252 AMAQI
11th Aug 2025243 AMAQI
11th Aug 2025264 AMAQI
19°C14/23°C
11th Aug 2025245 AMAQI
11th Aug 2025246 AMAQI
11th Aug 2025237 AMAQI
11th Aug 2025248 AMAQI
11th Aug 2025229 AMAQI
11th Aug 20252210 AMAQI
11th Aug 20252411 AMAQI
11th Aug 20252412 PMAQI
11th Aug 2025251 PMAQI
11th Aug 2025242 PMAQI
11th Aug 2025223 PMAQI
11th Aug 2025224 PMAQI
11th Aug 2025225 PMAQI
11th Aug 2025226 PMAQI
11th Aug 2025237 PMAQI
11th Aug 2025228 PMAQI
11th Aug 2025229 PMAQI
11th Aug 20252210 PMAQI
11th Aug 20252111 PMAQI
12th Aug 20252112 AMAQI
12th Aug 2025231 AMAQI
12th Aug 2025232 AMAQI
12th Aug 2025233 AMAQI
12th Aug 2025224 AMAQI
18°C14/23°C
12th Aug 2025225 AMAQI
5 AM12th Aug 2025256 AMAQI
12th Aug 2025267 AMAQI
12th Aug 2025248 AMAQI
12th Aug 2025249 AMAQI
12th Aug 20252510 AMAQI
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
20AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 1 PM
19AQI
9 hours / Day
270 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 5 AM to 1 PM (Avg. 19).
Night time
Avg. Highest Time
12 AM - 11 PM
20AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
3 AM - 4 AM
19AQI
2 hours / Day
60 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 3 AM to 4 AM (Avg. 19).
2025 Days Vs Air Quality
South 2nd Street, Mount Vernon, Washington, United States
2025
100%
138
Total number of days with different AQI categories in last 224 days in 2025 (141 days remaining)
Good
138 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
South 2nd Street, Mount Vernon, Washington, United States
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st March 2025
18AQI
18AQI
2nd March 2025
18AQI
18AQI
3rd March 2025
17AQI
17AQI
4th March 2025
15AQI
15AQI
5th March 2025
17AQI
17AQI
6th March 2025
20AQI
20AQI
1st April 2025
18AQI
18AQI
2nd April 2025
18AQI
18AQI
3rd April 2025
18AQI
18AQI
4th April 2025
18AQI
18AQI
5th April 2025
18AQI
18AQI
6th April 2025
16AQI
16AQI
7th April 2025
13AQI
13AQI
8th April 2025
12AQI
12AQI
9th April 2025
13AQI
13AQI
10th April 2025
15AQI
15AQI
11th April 2025
16AQI
16AQI
12th April 2025
15AQI
15AQI
13th April 2025
17AQI
17AQI
14th April 2025
17AQI
17AQI
15th April 2025
17AQI
17AQI
16th April 2025
17AQI
17AQI
17th April 2025
17AQI
17AQI
18th April 2025
20AQI
20AQI
19th April 2025
19AQI
19AQI
20th April 2025
22AQI
22AQI
21st April 2025
21AQI
21AQI
22nd April 2025
13AQI
13AQI
23rd April 2025
13AQI
13AQI
24th April 2025
18AQI
18AQI
25th April 2025
22AQI
22AQI
26th April 2025
23AQI
23AQI
27th April 2025
20AQI
20AQI
28th April 2025
16AQI
16AQI
29th April 2025
13AQI
13AQI
30th April 2025
13AQI
13AQI
1st May 2025
17AQI
17AQI
2nd May 2025
21AQI
21AQI
3rd May 2025
13AQI
13AQI
4th May 2025
14AQI
14AQI
5th May 2025
13AQI
13AQI
6th May 2025
16AQI
16AQI
7th May 2025
15AQI
15AQI
8th May 2025
14AQI
14AQI
9th May 2025
15AQI
15AQI
10th May 2025
16AQI
16AQI
11th May 2025
15AQI
15AQI
12th May 2025
14AQI
14AQI
13th May 2025
15AQI
15AQI
14th May 2025
15AQI
15AQI
15th May 2025
16AQI
16AQI
16th May 2025
13AQI
13AQI
17th May 2025
13AQI
13AQI
18th May 2025
12AQI
12AQI
19th May 2025
13AQI
13AQI
20th May 2025
11AQI
11AQI
21st May 2025
12AQI
12AQI
22nd May 2025
12AQI
12AQI
23rd May 2025
12AQI
12AQI
24th May 2025
12AQI
12AQI
25th May 2025
13AQI
13AQI
26th May 2025
14AQI
14AQI
27th May 2025
14AQI
14AQI
28th May 2025
15AQI
15AQI
29th May 2025
13AQI
13AQI
30th May 2025
14AQI
14AQI
31st May 2025
15AQI
15AQI
1st June 2025
14AQI
14AQI
2nd June 2025
14AQI
14AQI
3rd June 2025
15AQI
15AQI
4th June 2025
15AQI
15AQI
5th June 2025
15AQI
15AQI
6th June 2025
16AQI
16AQI
7th June 2025
17AQI
17AQI
8th June 2025
17AQI
17AQI
9th June 2025
17AQI
17AQI
10th June 2025
19AQI
19AQI
11th June 2025
25AQI
25AQI
12th June 2025
24AQI
24AQI
13th June 2025
18AQI
18AQI
14th June 2025
17AQI
17AQI
15th June 2025
17AQI
17AQI
16th June 2025
16AQI
16AQI
17th June 2025
16AQI
16AQI
18th June 2025
14AQI
14AQI
19th June 2025
15AQI
15AQI
20th June 2025
14AQI
14AQI
21st June 2025
11AQI
11AQI
22nd June 2025
12AQI
12AQI
23rd June 2025
18AQI
18AQI
24th June 2025
23AQI
23AQI
25th June 2025
18AQI
18AQI
26th June 2025
13AQI
13AQI
27th June 2025
13AQI
13AQI
28th June 2025
13AQI
13AQI
29th June 2025
16AQI
16AQI
30th June 2025
17AQI
17AQI
1st July 2025
16AQI
16AQI
2nd July 2025
14AQI
14AQI
3rd July 2025
15AQI
15AQI
4th July 2025
16AQI
16AQI
5th July 2025
17AQI
17AQI
6th July 2025
16AQI
16AQI
7th July 2025
18AQI
18AQI
8th July 2025
18AQI
18AQI
9th July 2025
15AQI
15AQI
10th July 2025
16AQI
16AQI
11th July 2025
17AQI
17AQI
12th July 2025
17AQI
17AQI
13th July 2025
17AQI
17AQI
14th July 2025
17AQI
17AQI
15th July 2025
18AQI
18AQI
16th July 2025
22AQI
22AQI
17th July 2025
24AQI
24AQI
18th July 2025
23AQI
23AQI
19th July 2025
20AQI
20AQI
20th July 2025
18AQI
18AQI
21st July 2025
19AQI
19AQI
22nd July 2025
18AQI
18AQI
23rd July 2025
17AQI
17AQI
24th July 2025
17AQI
17AQI
25th July 2025
16AQI
16AQI
26th July 2025
17AQI
17AQI
27th July 2025
19AQI
19AQI
28th July 2025
19AQI
19AQI
29th July 2025
19AQI
19AQI
30th July 2025
19AQI
19AQI
31st July 2025
18AQI
18AQI
1st August 2025
18AQI
18AQI
2nd August 2025
19AQI
19AQI
3rd August 2025
22AQI
22AQI
4th August 2025
28AQI
28AQI
5th August 2025
29AQI
29AQI
6th August 2025
25AQI
25AQI
7th August 2025
16AQI
16AQI
8th August 2025
17AQI
17AQI
9th August 2025
18AQI
18AQI
10th August 2025
20AQI
20AQI
18AQI
17AQI
14AQI
16AQI
18AQI
21AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202517AQI
6
30
31
30
31
10
138
Highest AQI recorded in
August21AQI
Lowest AQI recorded in
May14AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
17AQILeast Polluted Year Recorded
2025(Avg.)
17AQISouth 2nd Street's annual 2025 AQI (17) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
