Country Background

30Th Ave, Longview, 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

30Th Ave, Longview, Washington, United States

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
20th Aug 2023
90AQI
Lowest AQI recorded on
6th Aug 2023
10AQI


Same Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 30 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 5th Aug - 6th Aug 2025

30Th Ave, Longview, Washington, United States

AQI
Day
Night
.

5 AM5th Aug 2025

8 PM

4 AM6th Aug 2025

Day time
Avg. Highest Time
4PM5th Aug

40AQI

Avg. Lowest Time
5AM5th Aug

24AQI

Night time
Avg. Highest Time
9PM5th Aug

28AQI

Avg. Lowest Time
4AM6th Aug

20AQI

In the last 24 hours,

30Th Ave's AQI reached its highest point of 40 at 4 PM during the Day, while the lowest point, 20, was recorded at 4 AM during the Night between 5th Aug and 6th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

30Th Ave, Longview, Washington, United States

JulAug
07th - 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 - 05th05th - 06th06th
Day
Night
7th Jul 2025175 AMAQI
7th Jul 2025196 AMAQI
7th Jul 2025187 AMAQI
7th Jul 2025188 AMAQI
7th Jul 2025179 AMAQI
7th Jul 20251810 AMAQI
7th Jul 20251811 AMAQI
7th Jul 20251812 PMAQI
7th Jul 2025181 PMAQI
7th Jul 2025192 PMAQI
7th Jul 2025183 PMAQI
7th Jul 2025184 PMAQI
7th Jul 2025185 PMAQI
7th Jul 2025186 PMAQI
7th Jul 2025197 PMAQI
7th Jul 2025188 PMAQI
7th Jul 2025199 PMAQI
7th Jul 20252010 PMAQI
7th Jul 20252011 PMAQI
8th Jul 20252012 AMAQI
8th Jul 2025221 AMAQI
8th Jul 2025222 AMAQI
8th Jul 2025223 AMAQI
8th Jul 2025204 AMAQI

21°C11/30°C

8th Jul 2025205 AMAQI
8th Jul 2025206 AMAQI
8th Jul 2025217 AMAQI
8th Jul 2025218 AMAQI
8th Jul 2025209 AMAQI
8th Jul 20252010 AMAQI
8th Jul 20252011 AMAQI
8th Jul 20252112 PMAQI
8th Jul 2025191 PMAQI
8th Jul 2025202 PMAQI
8th Jul 2025213 PMAQI
8th Jul 2025214 PMAQI
8th Jul 2025205 PMAQI
8th Jul 2025206 PMAQI
8th Jul 2025207 PMAQI
8th Jul 2025208 PMAQI
8th Jul 2025199 PMAQI
8th Jul 20252010 PMAQI
8th Jul 20252011 PMAQI
9th Jul 20252012 AMAQI
9th Jul 2025181 AMAQI
9th Jul 2025152 AMAQI
9th Jul 2025163 AMAQI
9th Jul 2025144 AMAQI

20°C12/29°C

9th Jul 2025145 AMAQI
9th Jul 2025156 AMAQI
9th Jul 2025147 AMAQI
9th Jul 2025148 AMAQI
9th Jul 2025149 AMAQI
9th Jul 20251410 AMAQI
9th Jul 20251511 AMAQI
9th Jul 20251612 PMAQI
9th Jul 2025151 PMAQI
9th Jul 2025142 PMAQI
9th Jul 2025163 PMAQI
9th Jul 2025164 PMAQI
9th Jul 2025165 PMAQI
9th Jul 2025166 PMAQI
9th Jul 2025177 PMAQI
9th Jul 2025178 PMAQI
9th Jul 2025189 PMAQI
9th Jul 20251810 PMAQI
9th Jul 20251611 PMAQI
10th Jul 20251612 AMAQI
10th Jul 2025161 AMAQI
10th Jul 2025152 AMAQI
10th Jul 2025143 AMAQI
10th Jul 2025134 AMAQI

18°C15/20°C

10th Jul 2025135 AMAQI
10th Jul 2025136 AMAQI
10th Jul 2025147 AMAQI
10th Jul 2025148 AMAQI
10th Jul 2025149 AMAQI
10th Jul 20251510 AMAQI
10th Jul 20251411 AMAQI
10th Jul 20251612 PMAQI
10th Jul 2025161 PMAQI
10th Jul 2025152 PMAQI
10th Jul 2025163 PMAQI
10th Jul 2025164 PMAQI
10th Jul 2025155 PMAQI
10th Jul 2025146 PMAQI
10th Jul 2025167 PMAQI
10th Jul 2025168 PMAQI
10th Jul 2025179 PMAQI
10th Jul 20251710 PMAQI
10th Jul 20251711 PMAQI
11th Jul 20251712 AMAQI
11th Jul 2025181 AMAQI
11th Jul 2025192 AMAQI
11th Jul 2025183 AMAQI
11th Jul 2025164 AMAQI

18°C15/22°C

11th Jul 2025165 AMAQI
11th Jul 2025176 AMAQI
11th Jul 2025187 AMAQI
11th Jul 2025178 AMAQI
11th Jul 2025189 AMAQI
11th Jul 20251810 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20251812 PMAQI
11th Jul 2025181 PMAQI
11th Jul 2025182 PMAQI
11th Jul 2025193 PMAQI
11th Jul 2025184 PMAQI
11th Jul 2025185 PMAQI
11th Jul 2025186 PMAQI
11th Jul 2025187 PMAQI
11th Jul 2025198 PMAQI
11th Jul 2025209 PMAQI
11th Jul 20252010 PMAQI
11th Jul 20252011 PMAQI
12th Jul 20251912 AMAQI
12th Jul 2025211 AMAQI
12th Jul 2025192 AMAQI
12th Jul 2025193 AMAQI
12th Jul 2025194 AMAQI

21°C13/29°C

12th Jul 2025195 AMAQI
12th Jul 2025166 AMAQI
12th Jul 2025177 AMAQI
12th Jul 2025188 AMAQI
12th Jul 2025179 AMAQI
12th Jul 20251710 AMAQI
12th Jul 20251711 AMAQI
12th Jul 20251612 PMAQI
12th Jul 2025161 PMAQI
12th Jul 2025182 PMAQI
12th Jul 2025183 PMAQI
12th Jul 2025184 PMAQI
12th Jul 2025185 PMAQI
12th Jul 2025186 PMAQI
12th Jul 2025187 PMAQI
12th Jul 2025198 PMAQI
12th Jul 2025189 PMAQI
12th Jul 20251910 PMAQI
12th Jul 20251911 PMAQI
13th Jul 20252212 AMAQI
13th Jul 2025201 AMAQI
13th Jul 2025212 AMAQI
13th Jul 2025223 AMAQI
13th Jul 2025244 AMAQI

22°C15/30°C

13th Jul 2025245 AMAQI
13th Jul 2025236 AMAQI
13th Jul 2025227 AMAQI
13th Jul 2025238 AMAQI
13th Jul 2025239 AMAQI
13th Jul 20252310 AMAQI
13th Jul 20252311 AMAQI
13th Jul 20252312 PMAQI
13th Jul 2025231 PMAQI
13th Jul 2025232 PMAQI
13th Jul 2025233 PMAQI
13th Jul 2025234 PMAQI
13th Jul 2025225 PMAQI
13th Jul 2025216 PMAQI
13th Jul 2025227 PMAQI
13th Jul 2025228 PMAQI
13th Jul 2025209 PMAQI
13th Jul 20252110 PMAQI
13th Jul 20252011 PMAQI
14th Jul 20252012 AMAQI
14th Jul 2025181 AMAQI
14th Jul 2025152 AMAQI
14th Jul 2025163 AMAQI
14th Jul 2025164 AMAQI

24°C15/33°C

14th Jul 2025165 AMAQI
14th Jul 2025166 AMAQI
14th Jul 2025167 AMAQI
14th Jul 2025168 AMAQI
14th Jul 2025189 AMAQI
14th Jul 20251510 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251512 PMAQI
14th Jul 2025151 PMAQI
14th Jul 2025182 PMAQI
14th Jul 2025173 PMAQI
14th Jul 2025184 PMAQI
14th Jul 2025185 PMAQI
14th Jul 2025186 PMAQI
14th Jul 2025177 PMAQI
14th Jul 2025198 PMAQI
14th Jul 2025199 PMAQI
14th Jul 20251910 PMAQI
14th Jul 20251811 PMAQI
15th Jul 20251912 AMAQI
15th Jul 2025191 AMAQI
15th Jul 2025202 AMAQI
15th Jul 2025203 AMAQI
15th Jul 2025204 AMAQI

16°C14/19°C

15th Jul 2025215 AMAQI
15th Jul 2025206 AMAQI
15th Jul 2025217 AMAQI
15th Jul 2025208 AMAQI
15th Jul 2025209 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20252111 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025221 PMAQI
15th Jul 2025222 PMAQI
15th Jul 2025223 PMAQI
15th Jul 2025224 PMAQI
15th Jul 2025225 PMAQI
15th Jul 2025226 PMAQI
15th Jul 2025227 PMAQI
15th Jul 2025228 PMAQI
15th Jul 2025239 PMAQI
15th Jul 20252210 PMAQI
15th Jul 20252211 PMAQI
16th Jul 20252312 AMAQI
16th Jul 2025201 AMAQI
16th Jul 2025232 AMAQI
16th Jul 2025223 AMAQI
16th Jul 2025224 AMAQI

22°C11/31°C

16th Jul 2025235 AMAQI
16th Jul 2025236 AMAQI
16th Jul 2025227 AMAQI
16th Jul 2025238 AMAQI
16th Jul 2025239 AMAQI
16th Jul 20252410 AMAQI
16th Jul 20252611 AMAQI
16th Jul 20252612 PMAQI
16th Jul 2025261 PMAQI
16th Jul 2025252 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025244 PMAQI
16th Jul 2025235 PMAQI
16th Jul 2025236 PMAQI
16th Jul 2025247 PMAQI
16th Jul 2025248 PMAQI
16th Jul 2025239 PMAQI
16th Jul 20252310 PMAQI
16th Jul 20252511 PMAQI
17th Jul 20252612 AMAQI
17th Jul 2025301 AMAQI
17th Jul 2025352 AMAQI
17th Jul 2025343 AMAQI
17th Jul 2025334 AMAQI

25°C16/34°C

17th Jul 2025325 AMAQI
17th Jul 2025316 AMAQI
17th Jul 2025317 AMAQI
17th Jul 2025318 AMAQI
17th Jul 2025309 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20252811 AMAQI
17th Jul 20252712 PMAQI
17th Jul 2025261 PMAQI
17th Jul 2025282 PMAQI
17th Jul 2025283 PMAQI
17th Jul 2025294 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025296 PMAQI
17th Jul 2025297 PMAQI
17th Jul 2025298 PMAQI
17th Jul 2025289 PMAQI
17th Jul 20252810 PMAQI
17th Jul 20253011 PMAQI
18th Jul 20252912 AMAQI
18th Jul 2025281 AMAQI
18th Jul 2025272 AMAQI
18th Jul 2025283 AMAQI
18th Jul 2025284 AMAQI

19°C13/28°C

18th Jul 2025285 AMAQI
18th Jul 2025276 AMAQI
18th Jul 2025277 AMAQI
18th Jul 2025278 AMAQI
18th Jul 2025279 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20252212 PMAQI
18th Jul 2025211 PMAQI
18th Jul 2025232 PMAQI
18th Jul 2025263 PMAQI
18th Jul 2025264 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025246 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025258 PMAQI
18th Jul 2025249 PMAQI
18th Jul 20252410 PMAQI
18th Jul 20252411 PMAQI
19th Jul 20252312 AMAQI
19th Jul 2025181 AMAQI
19th Jul 2025182 AMAQI
19th Jul 2025203 AMAQI
19th Jul 2025194 AMAQI

16°C14/21°C

19th Jul 2025205 AMAQI
19th Jul 2025216 AMAQI
19th Jul 2025197 AMAQI
19th Jul 2025208 AMAQI
19th Jul 2025199 AMAQI
19th Jul 20252010 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20252012 PMAQI
19th Jul 2025211 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025214 PMAQI
19th Jul 2025205 PMAQI
19th Jul 2025196 PMAQI
19th Jul 2025217 PMAQI
19th Jul 2025218 PMAQI
19th Jul 2025229 PMAQI
19th Jul 20252210 PMAQI
19th Jul 20252211 PMAQI
20th Jul 20252212 AMAQI
20th Jul 2025201 AMAQI
20th Jul 2025182 AMAQI
20th Jul 2025183 AMAQI
20th Jul 2025184 AMAQI

16°C13/20°C

20th Jul 2025175 AMAQI
20th Jul 2025176 AMAQI
20th Jul 2025187 AMAQI
20th Jul 2025188 AMAQI
20th Jul 2025179 AMAQI
20th Jul 20251710 AMAQI
20th Jul 20251811 AMAQI
20th Jul 20251712 PMAQI
20th Jul 2025181 PMAQI
20th Jul 2025192 PMAQI
20th Jul 2025193 PMAQI
20th Jul 2025184 PMAQI
20th Jul 2025185 PMAQI
20th Jul 2025186 PMAQI
20th Jul 2025197 PMAQI
20th Jul 2025188 PMAQI
20th Jul 2025199 PMAQI
20th Jul 20252010 PMAQI
20th Jul 20252011 PMAQI
21st Jul 20252012 AMAQI
21st Jul 2025211 AMAQI
21st Jul 2025202 AMAQI
21st Jul 2025203 AMAQI
21st Jul 2025204 AMAQI

15°C13/19°C

21st Jul 2025215 AMAQI
21st Jul 2025226 AMAQI
21st Jul 2025227 AMAQI
21st Jul 2025218 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20252111 AMAQI
21st Jul 20252112 PMAQI
21st Jul 2025211 PMAQI
21st Jul 2025212 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025224 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025216 PMAQI
21st Jul 2025227 PMAQI
21st Jul 2025228 PMAQI
21st Jul 2025229 PMAQI
21st Jul 20252010 PMAQI
21st Jul 20252011 PMAQI
22nd Jul 20252112 AMAQI
22nd Jul 2025211 AMAQI
22nd Jul 2025202 AMAQI
22nd Jul 2025203 AMAQI
22nd Jul 2025204 AMAQI

17°C13/22°C

22nd Jul 2025205 AMAQI
22nd Jul 2025206 AMAQI
22nd Jul 2025197 AMAQI
22nd Jul 2025198 AMAQI
22nd Jul 2025189 AMAQI
22nd Jul 20251810 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20251712 PMAQI
22nd Jul 2025181 PMAQI
22nd Jul 2025192 PMAQI
22nd Jul 2025203 PMAQI
22nd Jul 2025204 PMAQI
22nd Jul 2025195 PMAQI
22nd Jul 2025206 PMAQI
22nd Jul 2025197 PMAQI
22nd Jul 2025208 PMAQI
22nd Jul 2025209 PMAQI
22nd Jul 20252010 PMAQI
22nd Jul 20252011 PMAQI
23rd Jul 20251912 AMAQI
23rd Jul 2025171 AMAQI
23rd Jul 2025162 AMAQI
23rd Jul 2025163 AMAQI
23rd Jul 2025164 AMAQI

18°C13/23°C

23rd Jul 2025165 AMAQI
23rd Jul 2025166 AMAQI
23rd Jul 2025167 AMAQI
23rd Jul 2025168 AMAQI
23rd Jul 2025169 AMAQI
23rd Jul 20251610 AMAQI
23rd Jul 20251711 AMAQI
23rd Jul 20251912 PMAQI
23rd Jul 2025171 PMAQI
23rd Jul 2025182 PMAQI
23rd Jul 2025183 PMAQI
23rd Jul 2025194 PMAQI
23rd Jul 2025195 PMAQI
23rd Jul 2025186 PMAQI
23rd Jul 2025187 PMAQI
23rd Jul 2025208 PMAQI
23rd Jul 2025209 PMAQI
23rd Jul 20252010 PMAQI
23rd Jul 20251811 PMAQI
24th Jul 20251812 AMAQI
24th Jul 2025181 AMAQI
24th Jul 2025162 AMAQI
24th Jul 2025163 AMAQI
24th Jul 2025164 AMAQI

20°C14/29°C

24th Jul 2025155 AMAQI
24th Jul 2025176 AMAQI
24th Jul 2025167 AMAQI
24th Jul 2025168 AMAQI
24th Jul 2025149 AMAQI
24th Jul 20251510 AMAQI
24th Jul 20251511 AMAQI
24th Jul 20251612 PMAQI
24th Jul 2025141 PMAQI
24th Jul 2025162 PMAQI
24th Jul 2025173 PMAQI
24th Jul 2025174 PMAQI
24th Jul 2025175 PMAQI
24th Jul 2025176 PMAQI
24th Jul 2025177 PMAQI
24th Jul 2025178 PMAQI
24th Jul 2025169 PMAQI
24th Jul 20251710 PMAQI
24th Jul 20251711 PMAQI
25th Jul 20251812 AMAQI
25th Jul 2025181 AMAQI
25th Jul 2025172 AMAQI
25th Jul 2025173 AMAQI
25th Jul 2025164 AMAQI

17°C14/23°C

25th Jul 2025155 AMAQI
25th Jul 2025146 AMAQI
25th Jul 2025167 AMAQI
25th Jul 2025158 AMAQI
25th Jul 2025149 AMAQI
25th Jul 20251410 AMAQI
25th Jul 20251511 AMAQI
25th Jul 20251412 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 2025188 PMAQI
25th Jul 2025179 PMAQI
25th Jul 20251710 PMAQI
25th Jul 20251611 PMAQI
26th Jul 20251812 AMAQI
26th Jul 2025161 AMAQI
26th Jul 2025162 AMAQI
26th Jul 2025163 AMAQI
26th Jul 2025164 AMAQI

16°C14/20°C

26th Jul 2025165 AMAQI
26th Jul 2025176 AMAQI
26th Jul 2025167 AMAQI
26th Jul 2025178 AMAQI
26th Jul 2025189 AMAQI
26th Jul 20251810 AMAQI
26th Jul 20251811 AMAQI
26th Jul 20251812 PMAQI
26th Jul 2025181 PMAQI
26th Jul 2025182 PMAQI
26th Jul 2025173 PMAQI
26th Jul 2025184 PMAQI
26th Jul 2025185 PMAQI
26th Jul 2025186 PMAQI
26th Jul 2025187 PMAQI
26th Jul 2025188 PMAQI
26th Jul 2025199 PMAQI
26th Jul 20251810 PMAQI
26th Jul 20251911 PMAQI
27th Jul 20251912 AMAQI
27th Jul 2025201 AMAQI
27th Jul 2025202 AMAQI
27th Jul 2025203 AMAQI
27th Jul 2025234 AMAQI

15°C12/20°C

27th Jul 2025235 AMAQI
27th Jul 2025226 AMAQI
27th Jul 2025227 AMAQI
27th Jul 2025228 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20252212 PMAQI
27th Jul 2025211 PMAQI
27th Jul 2025202 PMAQI
27th Jul 2025213 PMAQI
27th Jul 2025214 PMAQI
27th Jul 2025215 PMAQI
27th Jul 2025216 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025228 PMAQI
27th Jul 2025229 PMAQI
27th Jul 20252010 PMAQI
27th Jul 20252111 PMAQI
28th Jul 20252012 AMAQI
28th Jul 2025181 AMAQI
28th Jul 2025192 AMAQI
28th Jul 2025193 AMAQI
28th Jul 2025204 AMAQI

18°C13/23°C

28th Jul 2025185 AMAQI
28th Jul 2025186 AMAQI
28th Jul 2025197 AMAQI
28th Jul 2025208 AMAQI
28th Jul 2025209 AMAQI
28th Jul 20252010 AMAQI
28th Jul 20252211 AMAQI
28th Jul 20252112 PMAQI
28th Jul 2025201 PMAQI
28th Jul 2025202 PMAQI
28th Jul 2025203 PMAQI
28th Jul 2025204 PMAQI
28th Jul 2025215 PMAQI
28th Jul 2025206 PMAQI
28th Jul 2025207 PMAQI
28th Jul 2025208 PMAQI
28th Jul 2025209 PMAQI
28th Jul 20252010 PMAQI
28th Jul 20252011 PMAQI
29th Jul 20251912 AMAQI
29th Jul 2025171 AMAQI
29th Jul 2025172 AMAQI
29th Jul 2025163 AMAQI
29th Jul 2025154 AMAQI

19°C11/28°C

29th Jul 2025165 AMAQI
29th Jul 2025176 AMAQI
29th Jul 2025177 AMAQI
29th Jul 2025178 AMAQI
29th Jul 2025189 AMAQI
29th Jul 20251810 AMAQI
29th Jul 20251811 AMAQI
29th Jul 20251812 PMAQI
29th Jul 2025201 PMAQI
29th Jul 2025182 PMAQI
29th Jul 2025193 PMAQI
29th Jul 2025194 PMAQI
29th Jul 2025195 PMAQI
29th Jul 2025196 PMAQI
29th Jul 2025197 PMAQI
29th Jul 2025198 PMAQI
29th Jul 2025219 PMAQI
29th Jul 20252110 PMAQI
29th Jul 20252011 PMAQI
30th Jul 20252112 AMAQI
30th Jul 2025181 AMAQI
30th Jul 2025182 AMAQI
30th Jul 2025173 AMAQI
30th Jul 2025164 AMAQI

21°C12/30°C

30th Jul 2025165 AMAQI
30th Jul 2025176 AMAQI
30th Jul 2025177 AMAQI
30th Jul 2025178 AMAQI
30th Jul 2025179 AMAQI
30th Jul 20251810 AMAQI
30th Jul 20251711 AMAQI
30th Jul 20251712 PMAQI
30th Jul 2025171 PMAQI
30th Jul 2025182 PMAQI
30th Jul 2025183 PMAQI
30th Jul 2025184 PMAQI
30th Jul 2025185 PMAQI
30th Jul 2025186 PMAQI
30th Jul 2025187 PMAQI
30th Jul 2025188 PMAQI
30th Jul 2025209 PMAQI
30th Jul 20252010 PMAQI
30th Jul 20251911 PMAQI
31st Jul 20252012 AMAQI
31st Jul 2025161 AMAQI
31st Jul 2025152 AMAQI
31st Jul 2025153 AMAQI
31st Jul 2025144 AMAQI

20°C12/29°C

31st Jul 2025135 AMAQI
31st Jul 2025156 AMAQI
31st Jul 2025177 AMAQI
31st Jul 2025178 AMAQI
31st Jul 2025169 AMAQI
31st Jul 20251610 AMAQI
31st Jul 20251811 AMAQI
31st Jul 20252612 PMAQI
31st Jul 2025261 PMAQI
31st Jul 2025232 PMAQI
31st Jul 2025203 PMAQI
31st Jul 2025194 PMAQI
31st Jul 2025195 PMAQI
31st Jul 2025196 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025218 PMAQI
31st Jul 2025199 PMAQI
31st Jul 20251810 PMAQI
31st Jul 20251911 PMAQI
1st Aug 20251912 AMAQI
1st Aug 2025181 AMAQI
1st Aug 2025172 AMAQI
1st Aug 2025163 AMAQI
1st Aug 2025174 AMAQI

18°C15/23°C

1st Aug 2025165 AMAQI
1st Aug 2025156 AMAQI
1st Aug 2025157 AMAQI
1st Aug 2025148 AMAQI
1st Aug 2025169 AMAQI
1st Aug 20251610 AMAQI
1st Aug 20251611 AMAQI
1st Aug 20251612 PMAQI
1st Aug 2025171 PMAQI
1st Aug 2025162 PMAQI
1st Aug 2025173 PMAQI
1st Aug 2025164 PMAQI
1st Aug 2025175 PMAQI
1st Aug 2025176 PMAQI
1st Aug 2025187 PMAQI
1st Aug 2025188 PMAQI
1st Aug 2025199 PMAQI
1st Aug 20251910 PMAQI
1st Aug 20251911 PMAQI
2nd Aug 20252012 AMAQI
2nd Aug 2025191 AMAQI
2nd Aug 2025172 AMAQI
2nd Aug 2025193 AMAQI
2nd Aug 2025184 AMAQI

18°C14/23°C

2nd Aug 2025185 AMAQI
2nd Aug 2025166 AMAQI
2nd Aug 2025167 AMAQI
2nd Aug 2025158 AMAQI
2nd Aug 2025149 AMAQI
2nd Aug 20251410 AMAQI
2nd Aug 20251411 AMAQI
2nd Aug 20251212 PMAQI
2nd Aug 2025131 PMAQI
2nd Aug 2025132 PMAQI
2nd Aug 2025143 PMAQI
2nd Aug 2025154 PMAQI
2nd Aug 2025165 PMAQI
2nd Aug 2025156 PMAQI
2nd Aug 2025187 PMAQI
2nd Aug 2025188 PMAQI
2nd Aug 2025189 PMAQI
2nd Aug 20252110 PMAQI
2nd Aug 20252111 PMAQI
3rd Aug 20252012 AMAQI
3rd Aug 2025191 AMAQI
3rd Aug 2025222 AMAQI
3rd Aug 2025223 AMAQI
3rd Aug 2025204 AMAQI

18°C16/20°C

3rd Aug 2025205 AMAQI
3rd Aug 2025206 AMAQI
3rd Aug 2025187 AMAQI
3rd Aug 2025198 AMAQI
3rd Aug 2025199 AMAQI
3rd Aug 20252010 AMAQI
3rd Aug 20251811 AMAQI
3rd Aug 20251812 PMAQI
3rd Aug 2025181 PMAQI
3rd Aug 2025192 PMAQI
3rd Aug 2025183 PMAQI
3rd Aug 2025194 PMAQI
3rd Aug 2025205 PMAQI
3rd Aug 2025196 PMAQI
3rd Aug 2025207 PMAQI
3rd Aug 2025218 PMAQI
3rd Aug 2025259 PMAQI
3rd Aug 20252110 PMAQI
3rd Aug 20252111 PMAQI
4th Aug 20252412 AMAQI
4th Aug 2025241 AMAQI
4th Aug 2025222 AMAQI
4th Aug 2025223 AMAQI
4th Aug 2025224 AMAQI

17°C14/22°C

4th Aug 2025225 AMAQI
4th Aug 2025206 AMAQI
4th Aug 2025217 AMAQI
4th Aug 2025218 AMAQI
4th Aug 2025229 AMAQI
4th Aug 20252110 AMAQI
4th Aug 20252411 AMAQI
4th Aug 20252212 PMAQI
4th Aug 2025281 PMAQI
4th Aug 2025302 PMAQI
4th Aug 2025343 PMAQI
4th Aug 2025394 PMAQI
4th Aug 2025465 PMAQI
4th Aug 2025446 PMAQI
4th Aug 2025227 PMAQI
4th Aug 2025338 PMAQI
4th Aug 2025389 PMAQI
4th Aug 20254010 PMAQI
4th Aug 20253711 PMAQI
5th Aug 20253412 AMAQI
5th Aug 2025301 AMAQI
5th Aug 2025282 AMAQI
5th Aug 2025273 AMAQI
5th Aug 2025264 AMAQI

17°C13/22°C

5th Aug 2025245 AMAQI
5th Aug 2025266 AMAQI
5th Aug 2025267 AMAQI
5th Aug 2025268 AMAQI
5th Aug 2025289 AMAQI
5th Aug 20253010 AMAQI
5th Aug 20253111 AMAQI
5th Aug 20253212 PMAQI
5th Aug 2025361 PMAQI
5th Aug 2025372 PMAQI
5th Aug 2025393 PMAQI
5th Aug 2025404 PMAQI
5th Aug 2025385 PMAQI
5th Aug 2025376 PMAQI
5th Aug 2025347 PMAQI
5th Aug 2025308 PMAQI
5th Aug 2025289 PMAQI
5th Aug 20252610 PMAQI
5th Aug 20252311 PMAQI
6th Aug 20252412 AMAQI
6th Aug 2025231 AMAQI
6th Aug 2025222 AMAQI
6th Aug 2025213 AMAQI
6th Aug 2025204 AMAQI

18°C13/24°C

6th Aug 2025225 AMAQI
5 AM
6th Aug 2025216 AMAQI
6th Aug 2025207 AMAQI
6th Aug 2025208 AMAQI
6th Aug 2025219 AMAQI
6th Aug 20252010 AMAQI
6th Aug 20252111 AMAQI
6th Aug 20252212 PMAQI
12 PM
6th Aug 2025211 PMAQI
6th Aug 2025202 PMAQI
6th Aug 2025213 PMAQI
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 - 11 AM

19AQI

7 hours / Day
210 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 11 AM (Avg. 19).
Night time
Avg. Highest Time
12 AM - 11 PM

20AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
4 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 4 AM to 4 AM (Avg. 19).

2025 Days Vs Air Quality

30Th Ave, Longview, Washington, United States

2025

97%

211

3%

6

Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)

Good
211 Days
Moderate
6 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 97%

Health Risk Level:

Very Low

In 2025, 97% of 218 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

30Th Ave, Longview, 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 January 2025
25AQI
2nd January 2025
27AQI
3rd January 2025
22AQI
4th January 2025
19AQI
5th January 2025
21AQI
6th January 2025
21AQI
7th January 2025
29AQI
8th January 2025
25AQI
9th January 2025
27AQI
10th January 2025
22AQI
11th January 2025
20AQI
12th January 2025
25AQI
13th January 2025
32AQI
14th January 2025
34AQI
15th January 2025
34AQI
16th January 2025
44AQI
17th January 2025
38AQI
18th January 2025
36AQI
19th January 2025
52AQI
20th January 2025
47AQI
21st January 2025
51AQI
22nd January 2025
50AQI
23rd January 2025
49AQI
24th January 2025
43AQI
25th January 2025
45AQI
26th January 2025
46AQI
27th January 2025
52AQI
28th January 2025
59AQI
29th January 2025
61AQI
30th January 2025
56AQI
31st January 2025
33AQI
1st February 2025
18AQI
2nd February 2025
24AQI
3rd February 2025
22AQI
4th February 2025
33AQI
5th February 2025
27AQI
6th February 2025
21AQI
7th February 2025
23AQI
8th February 2025
25AQI
9th February 2025
35AQI
10th February 2025
29AQI
11th February 2025
23AQI
12th February 2025
30AQI
13th February 2025
25AQI
14th February 2025
30AQI
15th February 2025
29AQI
16th February 2025
22AQI
17th February 2025
21AQI
18th February 2025
23AQI
19th February 2025
19AQI
20th February 2025
21AQI
21st February 2025
21AQI
22nd February 2025
20AQI
23rd February 2025
16AQI
24th February 2025
19AQI
25th February 2025
18AQI
26th February 2025
27AQI
27th February 2025
30AQI
28th February 2025
27AQI
1st March 2025
36AQI
2nd March 2025
29AQI
3rd March 2025
19AQI
4th March 2025
24AQI
5th March 2025
21AQI
6th March 2025
21AQI
7th March 2025
21AQI
8th March 2025
23AQI
9th March 2025
28AQI
10th March 2025
18AQI
11th March 2025
22AQI
12th March 2025
20AQI
13th March 2025
17AQI
14th March 2025
17AQI
15th March 2025
16AQI
16th March 2025
16AQI
17th March 2025
20AQI
18th March 2025
16AQI
19th March 2025
19AQI
20th March 2025
14AQI
21st March 2025
14AQI
22nd March 2025
18AQI
23rd March 2025
18AQI
24th March 2025
17AQI
25th March 2025
20AQI
26th March 2025
22AQI
27th March 2025
16AQI
28th March 2025
16AQI
29th March 2025
15AQI
30th March 2025
18AQI
31st March 2025
15AQI
1st April 2025
18AQI
2nd April 2025
17AQI
3rd April 2025
18AQI
4th April 2025
21AQI
5th April 2025
28AQI
6th April 2025
21AQI
7th April 2025
15AQI
8th April 2025
12AQI
9th April 2025
17AQI
10th April 2025
19AQI
11th April 2025
17AQI
12th April 2025
18AQI
13th April 2025
20AQI
14th April 2025
18AQI
15th April 2025
21AQI
16th April 2025
23AQI
17th April 2025
22AQI
18th April 2025
22AQI
19th April 2025
21AQI
20th April 2025
16AQI
21st April 2025
14AQI
22nd April 2025
14AQI
23rd April 2025
16AQI
24th April 2025
21AQI
25th April 2025
24AQI
26th April 2025
23AQI
27th April 2025
18AQI
28th April 2025
14AQI
29th April 2025
14AQI
30th April 2025
14AQI
1st May 2025
20AQI
2nd May 2025
19AQI
3rd May 2025
13AQI
4th May 2025
15AQI
5th May 2025
14AQI
6th May 2025
18AQI
7th May 2025
16AQI
8th May 2025
17AQI
9th May 2025
17AQI
10th May 2025
16AQI
11th May 2025
15AQI
12th May 2025
16AQI
13th May 2025
18AQI
14th May 2025
18AQI
15th May 2025
17AQI
16th May 2025
19AQI
17th May 2025
15AQI
18th May 2025
12AQI
19th May 2025
14AQI
20th May 2025
11AQI
21st May 2025
13AQI
22nd May 2025
14AQI
23rd May 2025
12AQI
24th May 2025
14AQI
25th May 2025
15AQI
26th May 2025
14AQI
27th May 2025
14AQI
28th May 2025
17AQI
29th May 2025
14AQI
30th May 2025
15AQI
31st May 2025
14AQI
1st June 2025
15AQI
2nd June 2025
19AQI
3rd June 2025
19AQI
4th June 2025
14AQI
5th June 2025
15AQI
6th June 2025
17AQI
7th June 2025
17AQI
8th June 2025
23AQI
9th June 2025
26AQI
10th June 2025
29AQI
11th June 2025
28AQI
12th June 2025
24AQI
13th June 2025
18AQI
14th June 2025
17AQI
15th June 2025
18AQI
16th June 2025
16AQI
17th June 2025
17AQI
18th June 2025
14AQI
19th June 2025
15AQI
20th June 2025
15AQI
21st June 2025
11AQI
22nd June 2025
11AQI
23rd June 2025
15AQI
24th June 2025
20AQI
25th June 2025
25AQI
26th June 2025
14AQI
27th June 2025
13AQI
28th June 2025
12AQI
29th June 2025
16AQI
30th June 2025
20AQI
1st July 2025
17AQI
2nd July 2025
14AQI
3rd July 2025
13AQI
4th July 2025
17AQI
5th July 2025
20AQI
6th July 2025
17AQI
7th July 2025
18AQI
8th July 2025
20AQI
9th July 2025
16AQI
10th July 2025
15AQI
11th July 2025
18AQI
12th July 2025
18AQI
13th July 2025
22AQI
14th July 2025
17AQI
15th July 2025
21AQI
16th July 2025
23AQI
17th July 2025
30AQI
18th July 2025
26AQI
19th July 2025
20AQI
20th July 2025
19AQI
21st July 2025
21AQI
22nd July 2025
19AQI
23rd July 2025
18AQI
24th July 2025
16AQI
25th July 2025
16AQI
26th July 2025
17AQI
27th July 2025
21AQI
28th July 2025
20AQI
29th July 2025
18AQI
30th July 2025
18AQI
31st July 2025
18AQI
1st August 2025
17AQI
2nd August 2025
17AQI
3rd August 2025
20AQI
4th August 2025
28AQI
5th August 2025
30AQI

37AQI

24AQI

20AQI

19AQI

15AQI

18AQI

19AQI

22AQI


No. of days

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

202522AQI

25
6
28
31
30
31
30
31
5
211
6

Highest AQI recorded in

January

37AQI


Lowest AQI recorded in

May

15AQI


202420AQI

30
1
29
31
30
31
30
30
1
31
29
1
31
28
2
31
361
5

Highest AQI recorded in

December

28AQI


Lowest AQI recorded in

June

11AQI


202321AQI

31
26
2
31
30
31
30
30
1
27
4
30
30
1
25
4
29
2
350
14

Highest AQI recorded in

November

36AQI


Lowest AQI recorded in

June

9AQI


202222AQI

30
1
21
1
31
30
31
30
24
1
26
3
19
10
2
22
8
30
1
295
24
2

Highest AQI recorded in

October

45AQI


Lowest AQI recorded in

May

9AQI


202118AQI

28
2
28
31
30
31
29
1
31
31
30
31
30
31
361
3

Highest AQI recorded in

January

24AQI


Lowest AQI recorded in

May

11AQI


202026AQI

18
18
28
31
31
19
2
1
4
4
30
30
29
234
2
1
4
4

Highest AQI recorded in

September

73AQI


Lowest AQI recorded in

June

10AQI


Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2020(Avg.)
26AQI
Least Polluted Year Recorded
2021(Avg.)
18AQI


30Th Ave's annual 2025 AQI (22) shows an average percentage change of 3.08% (worsened AQI) compared to previous years: 2020 (26), 2021 (18), 2022 (22), 2023 (21), 2024 (20).