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
Longview, Washington, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Aug 2023
90AQILowest AQI recorded on
6th Aug 2023
10AQISame 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
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Longview, Washington, United States
AQI
Day
Night
.
5 AM5th Aug 2025
8 PM
4 AM6th Aug 2025
Day time
Avg. Highest Time
3PM5th Aug
44AQI
Avg. Lowest Time
8AM5th Aug
35AQI
Night time
Avg. Highest Time
9PM5th Aug
36AQI
Avg. Lowest Time
4AM6th Aug
32AQI
In the last 24 hours,
Longview's AQI reached its highest point of 44 at 3 PM during the Day, while the lowest point, 32, was recorded at 4 AM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
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 2025305 AMAQI
7th Jul 2025306 AMAQI
7th Jul 2025307 AMAQI
7th Jul 2025308 AMAQI
7th Jul 2025309 AMAQI
7th Jul 20253010 AMAQI
7th Jul 20253111 AMAQI
7th Jul 20253112 PMAQI
7th Jul 2025311 PMAQI
7th Jul 2025312 PMAQI
7th Jul 2025323 PMAQI
7th Jul 2025324 PMAQI
7th Jul 2025315 PMAQI
7th Jul 2025316 PMAQI
7th Jul 2025317 PMAQI
7th Jul 2025308 PMAQI
7th Jul 2025309 PMAQI
7th Jul 20253110 PMAQI
7th Jul 20253111 PMAQI
8th Jul 20253112 AMAQI
8th Jul 2025331 AMAQI
8th Jul 2025322 AMAQI
8th Jul 2025313 AMAQI
8th Jul 2025314 AMAQI
21°C11/30°C
8th Jul 2025315 AMAQI
8th Jul 2025316 AMAQI
8th Jul 2025327 AMAQI
8th Jul 2025328 AMAQI
8th Jul 2025319 AMAQI
8th Jul 20253110 AMAQI
8th Jul 20253111 AMAQI
8th Jul 20253212 PMAQI
8th Jul 2025301 PMAQI
8th Jul 2025312 PMAQI
8th Jul 2025313 PMAQI
8th Jul 2025314 PMAQI
8th Jul 2025305 PMAQI
8th Jul 2025306 PMAQI
8th Jul 2025307 PMAQI
8th Jul 2025318 PMAQI
8th Jul 2025299 PMAQI
8th Jul 20252910 PMAQI
8th Jul 20252811 PMAQI
9th Jul 20252812 AMAQI
9th Jul 2025271 AMAQI
9th Jul 2025232 AMAQI
9th Jul 2025213 AMAQI
9th Jul 2025204 AMAQI
20°C12/29°C
9th Jul 2025205 AMAQI
9th Jul 2025216 AMAQI
9th Jul 2025217 AMAQI
9th Jul 2025218 AMAQI
9th Jul 2025219 AMAQI
9th Jul 20252010 AMAQI
9th Jul 20252111 AMAQI
9th Jul 20252312 PMAQI
9th Jul 2025231 PMAQI
9th Jul 2025232 PMAQI
9th Jul 2025233 PMAQI
9th Jul 2025234 PMAQI
9th Jul 2025235 PMAQI
9th Jul 2025236 PMAQI
9th Jul 2025237 PMAQI
9th Jul 2025238 PMAQI
9th Jul 2025239 PMAQI
9th Jul 20252310 PMAQI
9th Jul 20252311 PMAQI
10th Jul 20252312 AMAQI
10th Jul 2025221 AMAQI
10th Jul 2025212 AMAQI
10th Jul 2025193 AMAQI
10th Jul 2025204 AMAQI
18°C15/20°C
10th Jul 2025195 AMAQI
10th Jul 2025196 AMAQI
10th Jul 2025207 AMAQI
10th Jul 2025208 AMAQI
10th Jul 2025219 AMAQI
10th Jul 20252210 AMAQI
10th Jul 20252211 AMAQI
10th Jul 20252212 PMAQI
10th Jul 2025241 PMAQI
10th Jul 2025242 PMAQI
10th Jul 2025243 PMAQI
10th Jul 2025254 PMAQI
10th Jul 2025245 PMAQI
10th Jul 2025246 PMAQI
10th Jul 2025237 PMAQI
10th Jul 2025238 PMAQI
10th Jul 2025249 PMAQI
10th Jul 20252510 PMAQI
10th Jul 20252611 PMAQI
11th Jul 20252612 AMAQI
11th Jul 2025281 AMAQI
11th Jul 2025282 AMAQI
11th Jul 2025293 AMAQI
11th Jul 2025294 AMAQI
18°C15/22°C
11th Jul 2025295 AMAQI
11th Jul 2025306 AMAQI
11th Jul 2025307 AMAQI
11th Jul 2025298 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20253010 AMAQI
11th Jul 20253111 AMAQI
11th Jul 20253112 PMAQI
11th Jul 2025311 PMAQI
11th Jul 2025302 PMAQI
11th Jul 2025303 PMAQI
11th Jul 2025304 PMAQI
11th Jul 2025305 PMAQI
11th Jul 2025306 PMAQI
11th Jul 2025307 PMAQI
11th Jul 2025308 PMAQI
11th Jul 2025309 PMAQI
11th Jul 20253110 PMAQI
11th Jul 20253011 PMAQI
12th Jul 20253012 AMAQI
12th Jul 2025311 AMAQI
12th Jul 2025302 AMAQI
12th Jul 2025303 AMAQI
12th Jul 2025304 AMAQI
21°C13/29°C
12th Jul 2025305 AMAQI
12th Jul 2025286 AMAQI
12th Jul 2025297 AMAQI
12th Jul 2025298 AMAQI
12th Jul 2025299 AMAQI
12th Jul 20252810 AMAQI
12th Jul 20252711 AMAQI
12th Jul 20252612 PMAQI
12th Jul 2025251 PMAQI
12th Jul 2025282 PMAQI
12th Jul 2025283 PMAQI
12th Jul 2025274 PMAQI
12th Jul 2025275 PMAQI
12th Jul 2025276 PMAQI
12th Jul 2025287 PMAQI
12th Jul 2025288 PMAQI
12th Jul 2025279 PMAQI
12th Jul 20252810 PMAQI
12th Jul 20252811 PMAQI
13th Jul 20253012 AMAQI
13th Jul 2025281 AMAQI
13th Jul 2025272 AMAQI
13th Jul 2025263 AMAQI
13th Jul 2025284 AMAQI
22°C15/30°C
13th Jul 2025275 AMAQI
13th Jul 2025296 AMAQI
13th Jul 2025287 AMAQI
13th Jul 2025288 AMAQI
13th Jul 2025279 AMAQI
13th Jul 20252810 AMAQI
13th Jul 20252811 AMAQI
13th Jul 20252712 PMAQI
13th Jul 2025281 PMAQI
13th Jul 2025282 PMAQI
13th Jul 2025283 PMAQI
13th Jul 2025274 PMAQI
13th Jul 2025265 PMAQI
13th Jul 2025256 PMAQI
13th Jul 2025277 PMAQI
13th Jul 2025278 PMAQI
13th Jul 2025249 PMAQI
13th Jul 20252410 PMAQI
13th Jul 20252411 PMAQI
14th Jul 20252412 AMAQI
14th Jul 2025221 AMAQI
14th Jul 2025192 AMAQI
14th Jul 2025183 AMAQI
14th Jul 2025184 AMAQI
24°C15/33°C
14th Jul 2025195 AMAQI
14th Jul 2025216 AMAQI
14th Jul 2025197 AMAQI
14th Jul 2025208 AMAQI
14th Jul 2025219 AMAQI
14th Jul 20251910 AMAQI
14th Jul 20252011 AMAQI
14th Jul 20252012 PMAQI
14th Jul 2025211 PMAQI
14th Jul 2025232 PMAQI
14th Jul 2025233 PMAQI
14th Jul 2025224 PMAQI
14th Jul 2025235 PMAQI
14th Jul 2025236 PMAQI
14th Jul 2025227 PMAQI
14th Jul 2025228 PMAQI
14th Jul 2025239 PMAQI
14th Jul 20252410 PMAQI
14th Jul 20252411 PMAQI
15th Jul 20252512 AMAQI
15th Jul 2025251 AMAQI
15th Jul 2025252 AMAQI
15th Jul 2025253 AMAQI
15th Jul 2025254 AMAQI
16°C14/19°C
15th Jul 2025255 AMAQI
15th Jul 2025256 AMAQI
15th Jul 2025277 AMAQI
15th Jul 2025268 AMAQI
15th Jul 2025269 AMAQI
15th Jul 20252610 AMAQI
15th Jul 20252611 AMAQI
15th Jul 20252712 PMAQI
15th Jul 2025281 PMAQI
15th Jul 2025272 PMAQI
15th Jul 2025273 PMAQI
15th Jul 2025274 PMAQI
15th Jul 2025285 PMAQI
15th Jul 2025286 PMAQI
15th Jul 2025277 PMAQI
15th Jul 2025278 PMAQI
15th Jul 2025289 PMAQI
15th Jul 20252810 PMAQI
15th Jul 20252811 PMAQI
16th Jul 20252812 AMAQI
16th Jul 2025291 AMAQI
16th Jul 2025322 AMAQI
16th Jul 2025333 AMAQI
16th Jul 2025334 AMAQI
22°C11/31°C
16th Jul 2025335 AMAQI
16th Jul 2025326 AMAQI
16th Jul 2025317 AMAQI
16th Jul 2025328 AMAQI
16th Jul 2025339 AMAQI
16th Jul 20253410 AMAQI
16th Jul 20253411 AMAQI
16th Jul 20253612 PMAQI
16th Jul 2025351 PMAQI
16th Jul 2025352 PMAQI
16th Jul 2025343 PMAQI
16th Jul 2025344 PMAQI
16th Jul 2025335 PMAQI
16th Jul 2025336 PMAQI
16th Jul 2025337 PMAQI
16th Jul 2025338 PMAQI
16th Jul 2025339 PMAQI
16th Jul 20253310 PMAQI
16th Jul 20253411 PMAQI
17th Jul 20253612 AMAQI
17th Jul 2025381 AMAQI
17th Jul 2025422 AMAQI
17th Jul 2025413 AMAQI
17th Jul 2025404 AMAQI
25°C16/34°C
17th Jul 2025385 AMAQI
17th Jul 2025386 AMAQI
17th Jul 2025377 AMAQI
17th Jul 2025378 AMAQI
17th Jul 2025369 AMAQI
17th Jul 20253410 AMAQI
17th Jul 20253511 AMAQI
17th Jul 20253512 PMAQI
17th Jul 2025361 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025377 PMAQI
17th Jul 2025368 PMAQI
17th Jul 2025359 PMAQI
17th Jul 20253510 PMAQI
17th Jul 20253711 PMAQI
18th Jul 20253612 AMAQI
18th Jul 2025361 AMAQI
18th Jul 2025342 AMAQI
18th Jul 2025353 AMAQI
18th Jul 2025364 AMAQI
19°C13/28°C
18th Jul 2025365 AMAQI
18th Jul 2025346 AMAQI
18th Jul 2025367 AMAQI
18th Jul 2025358 AMAQI
18th Jul 2025359 AMAQI
18th Jul 20253310 AMAQI
18th Jul 20253211 AMAQI
18th Jul 20253212 PMAQI
18th Jul 2025311 PMAQI
18th Jul 2025312 PMAQI
18th Jul 2025333 PMAQI
18th Jul 2025334 PMAQI
18th Jul 2025335 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025347 PMAQI
18th Jul 2025348 PMAQI
18th Jul 2025319 PMAQI
18th Jul 20253010 PMAQI
18th Jul 20253011 PMAQI
19th Jul 20253012 AMAQI
19th Jul 2025281 AMAQI
19th Jul 2025302 AMAQI
19th Jul 2025303 AMAQI
19th Jul 2025304 AMAQI
16°C14/21°C
19th Jul 2025315 AMAQI
19th Jul 2025306 AMAQI
19th Jul 2025297 AMAQI
19th Jul 2025308 AMAQI
19th Jul 2025299 AMAQI
19th Jul 20252910 AMAQI
19th Jul 20253011 AMAQI
19th Jul 20253012 PMAQI
19th Jul 2025301 PMAQI
19th Jul 2025302 PMAQI
19th Jul 2025303 PMAQI
19th Jul 2025304 PMAQI
19th Jul 2025285 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025309 PMAQI
19th Jul 20253010 PMAQI
19th Jul 20253011 PMAQI
20th Jul 20252912 AMAQI
20th Jul 2025281 AMAQI
20th Jul 2025262 AMAQI
20th Jul 2025263 AMAQI
20th Jul 2025284 AMAQI
16°C13/20°C
20th Jul 2025295 AMAQI
20th Jul 2025286 AMAQI
20th Jul 2025287 AMAQI
20th Jul 2025288 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20252810 AMAQI
20th Jul 20252811 AMAQI
20th Jul 20252812 PMAQI
20th Jul 2025281 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025283 PMAQI
20th Jul 2025284 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025276 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025289 PMAQI
20th Jul 20252910 PMAQI
20th Jul 20252911 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025301 AMAQI
21st Jul 2025302 AMAQI
21st Jul 2025303 AMAQI
21st Jul 2025294 AMAQI
15°C13/19°C
21st Jul 2025305 AMAQI
21st Jul 2025316 AMAQI
21st Jul 2025317 AMAQI
21st Jul 2025308 AMAQI
21st Jul 2025309 AMAQI
21st Jul 20253010 AMAQI
21st Jul 20253111 AMAQI
21st Jul 20253012 PMAQI
21st Jul 2025301 PMAQI
21st Jul 2025302 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025304 PMAQI
21st Jul 2025305 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025317 PMAQI
21st Jul 2025318 PMAQI
21st Jul 2025309 PMAQI
21st Jul 20253010 PMAQI
21st Jul 20253111 PMAQI
22nd Jul 20253112 AMAQI
22nd Jul 2025321 AMAQI
22nd Jul 2025322 AMAQI
22nd Jul 2025323 AMAQI
22nd Jul 2025324 AMAQI
17°C13/22°C
22nd Jul 2025325 AMAQI
22nd Jul 2025316 AMAQI
22nd Jul 2025317 AMAQI
22nd Jul 2025298 AMAQI
22nd Jul 2025299 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20252811 AMAQI
22nd Jul 20252912 PMAQI
22nd Jul 2025291 PMAQI
22nd Jul 2025302 PMAQI
22nd Jul 2025303 PMAQI
22nd Jul 2025314 PMAQI
22nd Jul 2025305 PMAQI
22nd Jul 2025306 PMAQI
22nd Jul 2025317 PMAQI
22nd Jul 2025318 PMAQI
22nd Jul 2025319 PMAQI
22nd Jul 20253110 PMAQI
22nd Jul 20253111 PMAQI
23rd Jul 20253012 AMAQI
23rd Jul 2025291 AMAQI
23rd Jul 2025272 AMAQI
23rd Jul 2025263 AMAQI
23rd Jul 2025274 AMAQI
18°C13/23°C
23rd Jul 2025275 AMAQI
23rd Jul 2025276 AMAQI
23rd Jul 2025277 AMAQI
23rd Jul 2025278 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20252710 AMAQI
23rd Jul 20252611 AMAQI
23rd Jul 20252812 PMAQI
23rd Jul 2025281 PMAQI
23rd Jul 2025282 PMAQI
23rd Jul 2025283 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025295 PMAQI
23rd Jul 2025296 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025308 PMAQI
23rd Jul 2025309 PMAQI
23rd Jul 20253010 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252912 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025262 AMAQI
24th Jul 2025243 AMAQI
24th Jul 2025264 AMAQI
20°C14/29°C
24th Jul 2025275 AMAQI
24th Jul 2025286 AMAQI
24th Jul 2025267 AMAQI
24th Jul 2025268 AMAQI
24th Jul 2025259 AMAQI
24th Jul 20252410 AMAQI
24th Jul 20252511 AMAQI
24th Jul 20252612 PMAQI
24th Jul 2025241 PMAQI
24th Jul 2025262 PMAQI
24th Jul 2025273 PMAQI
24th Jul 2025264 PMAQI
24th Jul 2025265 PMAQI
24th Jul 2025276 PMAQI
24th Jul 2025277 PMAQI
24th Jul 2025278 PMAQI
24th Jul 2025269 PMAQI
24th Jul 20252610 PMAQI
24th Jul 20252711 PMAQI
25th Jul 20252712 AMAQI
25th Jul 2025281 AMAQI
25th Jul 2025252 AMAQI
25th Jul 2025233 AMAQI
25th Jul 2025234 AMAQI
17°C14/23°C
25th Jul 2025225 AMAQI
25th Jul 2025226 AMAQI
25th Jul 2025227 AMAQI
25th Jul 2025228 AMAQI
25th Jul 2025229 AMAQI
25th Jul 20252110 AMAQI
25th Jul 20252211 AMAQI
25th Jul 20252412 PMAQI
25th Jul 2025231 PMAQI
25th Jul 2025242 PMAQI
25th Jul 2025243 PMAQI
25th Jul 2025244 PMAQI
25th Jul 2025245 PMAQI
25th Jul 2025246 PMAQI
25th Jul 2025257 PMAQI
25th Jul 2025248 PMAQI
25th Jul 2025249 PMAQI
25th Jul 20252310 PMAQI
25th Jul 20252311 PMAQI
26th Jul 20252412 AMAQI
26th Jul 2025221 AMAQI
26th Jul 2025222 AMAQI
26th Jul 2025223 AMAQI
26th Jul 2025224 AMAQI
16°C14/20°C
26th Jul 2025225 AMAQI
26th Jul 2025236 AMAQI
26th Jul 2025227 AMAQI
26th Jul 2025238 AMAQI
26th Jul 2025249 AMAQI
26th Jul 20252410 AMAQI
26th Jul 20252411 AMAQI
26th Jul 20252312 PMAQI
26th Jul 2025231 PMAQI
26th Jul 2025232 PMAQI
26th Jul 2025233 PMAQI
26th Jul 2025234 PMAQI
26th Jul 2025235 PMAQI
26th Jul 2025236 PMAQI
26th Jul 2025247 PMAQI
26th Jul 2025248 PMAQI
26th Jul 2025259 PMAQI
26th Jul 20252510 PMAQI
26th Jul 20252511 PMAQI
27th Jul 20252512 AMAQI
27th Jul 2025261 AMAQI
27th Jul 2025262 AMAQI
27th Jul 2025263 AMAQI
27th Jul 2025274 AMAQI
15°C12/20°C
27th Jul 2025285 AMAQI
27th Jul 2025286 AMAQI
27th Jul 2025277 AMAQI
27th Jul 2025288 AMAQI
27th Jul 2025289 AMAQI
27th Jul 20252810 AMAQI
27th Jul 20252711 AMAQI
27th Jul 20252612 PMAQI
27th Jul 2025261 PMAQI
27th Jul 2025262 PMAQI
27th Jul 2025263 PMAQI
27th Jul 2025264 PMAQI
27th Jul 2025255 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025267 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025279 PMAQI
27th Jul 20252610 PMAQI
27th Jul 20252711 PMAQI
28th Jul 20252612 AMAQI
28th Jul 2025261 AMAQI
28th Jul 2025262 AMAQI
28th Jul 2025263 AMAQI
28th Jul 2025264 AMAQI
18°C13/23°C
28th Jul 2025265 AMAQI
28th Jul 2025266 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025278 AMAQI
28th Jul 2025279 AMAQI
28th Jul 20252710 AMAQI
28th Jul 20252811 AMAQI
28th Jul 20252912 PMAQI
28th Jul 2025281 PMAQI
28th Jul 2025282 PMAQI
28th Jul 2025283 PMAQI
28th Jul 2025284 PMAQI
28th Jul 2025295 PMAQI
28th Jul 2025286 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025278 PMAQI
28th Jul 2025279 PMAQI
28th Jul 20252710 PMAQI
28th Jul 20252911 PMAQI
29th Jul 20252912 AMAQI
29th Jul 2025281 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025303 AMAQI
29th Jul 2025294 AMAQI
19°C11/28°C
29th Jul 2025305 AMAQI
29th Jul 2025306 AMAQI
29th Jul 2025307 AMAQI
29th Jul 2025308 AMAQI
29th Jul 2025309 AMAQI
29th Jul 20253110 AMAQI
29th Jul 20253011 AMAQI
29th Jul 20253012 PMAQI
29th Jul 2025311 PMAQI
29th Jul 2025312 PMAQI
29th Jul 2025313 PMAQI
29th Jul 2025314 PMAQI
29th Jul 2025315 PMAQI
29th Jul 2025316 PMAQI
29th Jul 2025307 PMAQI
29th Jul 2025298 PMAQI
29th Jul 2025329 PMAQI
29th Jul 20253210 PMAQI
29th Jul 20253211 PMAQI
30th Jul 20253212 AMAQI
30th Jul 2025301 AMAQI
30th Jul 2025292 AMAQI
30th Jul 2025283 AMAQI
30th Jul 2025284 AMAQI
21°C12/30°C
30th Jul 2025285 AMAQI
30th Jul 2025296 AMAQI
30th Jul 2025297 AMAQI
30th Jul 2025298 AMAQI
30th Jul 2025299 AMAQI
30th Jul 20253010 AMAQI
30th Jul 20252911 AMAQI
30th Jul 20253012 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025312 PMAQI
30th Jul 2025313 PMAQI
30th Jul 2025314 PMAQI
30th Jul 2025315 PMAQI
30th Jul 2025316 PMAQI
30th Jul 2025317 PMAQI
30th Jul 2025318 PMAQI
30th Jul 2025319 PMAQI
30th Jul 20253110 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20253112 AMAQI
31st Jul 2025291 AMAQI
31st Jul 2025272 AMAQI
31st Jul 2025273 AMAQI
31st Jul 2025274 AMAQI
20°C12/29°C
31st Jul 2025265 AMAQI
31st Jul 2025286 AMAQI
31st Jul 2025297 AMAQI
31st Jul 2025298 AMAQI
31st Jul 2025289 AMAQI
31st Jul 20252910 AMAQI
31st Jul 20253111 AMAQI
31st Jul 20253612 PMAQI
31st Jul 2025341 PMAQI
31st Jul 2025302 PMAQI
31st Jul 2025303 PMAQI
31st Jul 2025304 PMAQI
31st Jul 2025295 PMAQI
31st Jul 2025316 PMAQI
31st Jul 2025327 PMAQI
31st Jul 2025328 PMAQI
31st Jul 2025319 PMAQI
31st Jul 20252710 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252812 AMAQI
1st Aug 2025281 AMAQI
1st Aug 2025272 AMAQI
1st Aug 2025273 AMAQI
1st Aug 2025274 AMAQI
18°C15/23°C
1st Aug 2025275 AMAQI
1st Aug 2025266 AMAQI
1st Aug 2025267 AMAQI
1st Aug 2025248 AMAQI
1st Aug 2025259 AMAQI
1st Aug 20252810 AMAQI
1st Aug 20252711 AMAQI
1st Aug 20252812 PMAQI
1st Aug 2025291 PMAQI
1st Aug 2025292 PMAQI
1st Aug 2025283 PMAQI
1st Aug 2025284 PMAQI
1st Aug 2025285 PMAQI
1st Aug 2025286 PMAQI
1st Aug 2025277 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20252910 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025281 AMAQI
2nd Aug 2025262 AMAQI
2nd Aug 2025273 AMAQI
2nd Aug 2025274 AMAQI
18°C14/23°C
2nd Aug 2025265 AMAQI
2nd Aug 2025266 AMAQI
2nd Aug 2025277 AMAQI
2nd Aug 2025258 AMAQI
2nd Aug 2025249 AMAQI
2nd Aug 20252410 AMAQI
2nd Aug 20252511 AMAQI
2nd Aug 20252412 PMAQI
2nd Aug 2025251 PMAQI
2nd Aug 2025252 PMAQI
2nd Aug 2025273 PMAQI
2nd Aug 2025274 PMAQI
2nd Aug 2025275 PMAQI
2nd Aug 2025256 PMAQI
2nd Aug 2025277 PMAQI
2nd Aug 2025278 PMAQI
2nd Aug 2025279 PMAQI
2nd Aug 20253010 PMAQI
2nd Aug 20253011 PMAQI
3rd Aug 20253012 AMAQI
3rd Aug 2025301 AMAQI
3rd Aug 2025302 AMAQI
3rd Aug 2025323 AMAQI
3rd Aug 2025314 AMAQI
18°C16/20°C
3rd Aug 2025315 AMAQI
3rd Aug 2025316 AMAQI
3rd Aug 2025317 AMAQI
3rd Aug 2025318 AMAQI
3rd Aug 2025319 AMAQI
3rd Aug 20253210 AMAQI
3rd Aug 20253111 AMAQI
3rd Aug 20253012 PMAQI
3rd Aug 2025301 PMAQI
3rd Aug 2025312 PMAQI
3rd Aug 2025303 PMAQI
3rd Aug 2025314 PMAQI
3rd Aug 2025315 PMAQI
3rd Aug 2025316 PMAQI
3rd Aug 2025317 PMAQI
3rd Aug 2025328 PMAQI
3rd Aug 2025349 PMAQI
3rd Aug 20253210 PMAQI
3rd Aug 20253211 PMAQI
4th Aug 20253412 AMAQI
4th Aug 2025341 AMAQI
4th Aug 2025322 AMAQI
4th Aug 2025333 AMAQI
4th Aug 2025334 AMAQI
17°C14/22°C
4th Aug 2025345 AMAQI
4th Aug 2025326 AMAQI
4th Aug 2025327 AMAQI
4th Aug 2025338 AMAQI
4th Aug 2025339 AMAQI
4th Aug 20253310 AMAQI
4th Aug 20253511 AMAQI
4th Aug 20253412 PMAQI
4th Aug 2025361 PMAQI
4th Aug 2025372 PMAQI
4th Aug 2025403 PMAQI
4th Aug 2025434 PMAQI
4th Aug 2025465 PMAQI
4th Aug 2025456 PMAQI
4th Aug 2025337 PMAQI
4th Aug 2025388 PMAQI
4th Aug 2025409 PMAQI
4th Aug 20254110 PMAQI
4th Aug 20254011 PMAQI
5th Aug 20253912 AMAQI
5th Aug 2025381 AMAQI
5th Aug 2025362 AMAQI
5th Aug 2025353 AMAQI
5th Aug 2025354 AMAQI
17°C13/22°C
5th Aug 2025355 AMAQI
5th Aug 2025366 AMAQI
5th Aug 2025357 AMAQI
5th Aug 2025358 AMAQI
5th Aug 2025369 AMAQI
5th Aug 20253810 AMAQI
5th Aug 20253811 AMAQI
5th Aug 20253912 PMAQI
5th Aug 2025421 PMAQI
5th Aug 2025432 PMAQI
5th Aug 2025443 PMAQI
5th Aug 2025444 PMAQI
5th Aug 2025435 PMAQI
5th Aug 2025426 PMAQI
5th Aug 2025407 PMAQI
5th Aug 2025388 PMAQI
5th Aug 2025369 PMAQI
5th Aug 20253510 PMAQI
5th Aug 20253311 PMAQI
6th Aug 20253412 AMAQI
6th Aug 2025341 AMAQI
6th Aug 2025332 AMAQI
6th Aug 2025333 AMAQI
6th Aug 2025324 AMAQI
18°C13/24°C
6th Aug 2025335 AMAQI
5 AM6th Aug 2025326 AMAQI
6th Aug 2025327 AMAQI
6th Aug 2025328 AMAQI
6th Aug 2025329 AMAQI
6th Aug 20253210 AMAQI
6th Aug 20253211 AMAQI
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
29AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
29AQI
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. 29), while the lowest AQI was between 5 AM to 8 PM (Avg. 29).
Night time
Avg. Highest Time
12 AM - 11 PM
29AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
29AQI
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. 29), while the lowest AQI was between 12 AM to 11 PM (Avg. 29).
2025 Days Vs Air Quality
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 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 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
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
25AQI
2nd January 2025
27AQI
27AQI
3rd January 2025
22AQI
22AQI
4th January 2025
19AQI
19AQI
5th January 2025
21AQI
21AQI
6th January 2025
21AQI
21AQI
7th January 2025
29AQI
29AQI
8th January 2025
25AQI
25AQI
9th January 2025
27AQI
27AQI
10th January 2025
22AQI
22AQI
11th January 2025
20AQI
20AQI
12th January 2025
25AQI
25AQI
13th January 2025
32AQI
32AQI
14th January 2025
34AQI
34AQI
15th January 2025
34AQI
34AQI
16th January 2025
44AQI
44AQI
17th January 2025
38AQI
38AQI
18th January 2025
36AQI
36AQI
19th January 2025
52AQI
52AQI
20th January 2025
47AQI
47AQI
21st January 2025
51AQI
51AQI
22nd January 2025
50AQI
50AQI
23rd January 2025
49AQI
49AQI
24th January 2025
43AQI
43AQI
25th January 2025
45AQI
45AQI
26th January 2025
46AQI
46AQI
27th January 2025
52AQI
52AQI
28th January 2025
59AQI
59AQI
29th January 2025
61AQI
61AQI
30th January 2025
56AQI
56AQI
31st January 2025
33AQI
33AQI
1st February 2025
18AQI
18AQI
2nd February 2025
24AQI
24AQI
3rd February 2025
22AQI
22AQI
4th February 2025
33AQI
33AQI
5th February 2025
27AQI
27AQI
6th February 2025
21AQI
21AQI
7th February 2025
23AQI
23AQI
8th February 2025
25AQI
25AQI
9th February 2025
35AQI
35AQI
10th February 2025
29AQI
29AQI
11th February 2025
23AQI
23AQI
12th February 2025
30AQI
30AQI
13th February 2025
25AQI
25AQI
14th February 2025
30AQI
30AQI
15th February 2025
29AQI
29AQI
16th February 2025
22AQI
22AQI
17th February 2025
21AQI
21AQI
18th February 2025
23AQI
23AQI
19th February 2025
19AQI
19AQI
20th February 2025
21AQI
21AQI
21st February 2025
21AQI
21AQI
22nd February 2025
20AQI
20AQI
23rd February 2025
16AQI
16AQI
24th February 2025
19AQI
19AQI
25th February 2025
18AQI
18AQI
26th February 2025
27AQI
27AQI
27th February 2025
30AQI
30AQI
28th February 2025
27AQI
27AQI
1st March 2025
36AQI
36AQI
2nd March 2025
29AQI
29AQI
3rd March 2025
19AQI
19AQI
4th March 2025
24AQI
24AQI
5th March 2025
21AQI
21AQI
6th March 2025
21AQI
21AQI
7th March 2025
21AQI
21AQI
8th March 2025
23AQI
23AQI
9th March 2025
28AQI
28AQI
10th March 2025
18AQI
18AQI
11th March 2025
22AQI
22AQI
12th March 2025
20AQI
20AQI
13th March 2025
17AQI
17AQI
14th March 2025
17AQI
17AQI
15th March 2025
16AQI
16AQI
16th March 2025
16AQI
16AQI
17th March 2025
20AQI
20AQI
18th March 2025
16AQI
16AQI
19th March 2025
19AQI
19AQI
20th March 2025
14AQI
14AQI
21st March 2025
14AQI
14AQI
22nd March 2025
18AQI
18AQI
23rd March 2025
18AQI
18AQI
24th March 2025
17AQI
17AQI
25th March 2025
20AQI
20AQI
26th March 2025
20AQI
20AQI
27th March 2025
16AQI
16AQI
28th March 2025
16AQI
16AQI
29th March 2025
16AQI
16AQI
30th March 2025
18AQI
18AQI
31st March 2025
16AQI
16AQI
1st April 2025
18AQI
18AQI
2nd April 2025
17AQI
17AQI
3rd April 2025
19AQI
19AQI
4th April 2025
21AQI
21AQI
5th April 2025
29AQI
29AQI
6th April 2025
22AQI
22AQI
7th April 2025
16AQI
16AQI
8th April 2025
13AQI
13AQI
9th April 2025
18AQI
18AQI
10th April 2025
20AQI
20AQI
11th April 2025
18AQI
18AQI
12th April 2025
18AQI
18AQI
13th April 2025
21AQI
21AQI
14th April 2025
19AQI
19AQI
15th April 2025
22AQI
22AQI
16th April 2025
23AQI
23AQI
17th April 2025
22AQI
22AQI
18th April 2025
23AQI
23AQI
19th April 2025
21AQI
21AQI
20th April 2025
16AQI
16AQI
21st April 2025
14AQI
14AQI
22nd April 2025
14AQI
14AQI
23rd April 2025
17AQI
17AQI
24th April 2025
22AQI
22AQI
25th April 2025
25AQI
25AQI
26th April 2025
24AQI
24AQI
27th April 2025
19AQI
19AQI
28th April 2025
14AQI
14AQI
29th April 2025
15AQI
15AQI
30th April 2025
14AQI
14AQI
1st May 2025
21AQI
21AQI
2nd May 2025
19AQI
19AQI
3rd May 2025
13AQI
13AQI
4th May 2025
15AQI
15AQI
5th May 2025
14AQI
14AQI
6th May 2025
19AQI
19AQI
7th May 2025
16AQI
16AQI
8th May 2025
17AQI
17AQI
9th May 2025
18AQI
18AQI
10th May 2025
16AQI
16AQI
11th May 2025
16AQI
16AQI
12th May 2025
16AQI
16AQI
13th May 2025
18AQI
18AQI
14th May 2025
18AQI
18AQI
15th May 2025
17AQI
17AQI
16th May 2025
19AQI
19AQI
17th May 2025
15AQI
15AQI
18th May 2025
13AQI
13AQI
19th May 2025
15AQI
15AQI
20th May 2025
11AQI
11AQI
21st May 2025
13AQI
13AQI
22nd May 2025
14AQI
14AQI
23rd May 2025
13AQI
13AQI
24th May 2025
14AQI
14AQI
25th May 2025
15AQI
15AQI
26th May 2025
14AQI
14AQI
27th May 2025
14AQI
14AQI
28th May 2025
18AQI
18AQI
29th May 2025
14AQI
14AQI
30th May 2025
16AQI
16AQI
31st May 2025
15AQI
15AQI
1st June 2025
15AQI
15AQI
2nd June 2025
20AQI
20AQI
3rd June 2025
20AQI
20AQI
4th June 2025
14AQI
14AQI
5th June 2025
15AQI
15AQI
6th June 2025
18AQI
18AQI
7th June 2025
18AQI
18AQI
8th June 2025
24AQI
24AQI
9th June 2025
27AQI
27AQI
10th June 2025
31AQI
31AQI
11th June 2025
29AQI
29AQI
12th June 2025
25AQI
25AQI
13th June 2025
18AQI
18AQI
14th June 2025
17AQI
17AQI
15th June 2025
18AQI
18AQI
16th June 2025
16AQI
16AQI
17th June 2025
18AQI
18AQI
18th June 2025
14AQI
14AQI
19th June 2025
15AQI
15AQI
20th June 2025
15AQI
15AQI
21st June 2025
11AQI
11AQI
22nd June 2025
11AQI
11AQI
23rd June 2025
16AQI
16AQI
24th June 2025
21AQI
21AQI
25th June 2025
26AQI
26AQI
26th June 2025
13AQI
13AQI
27th June 2025
13AQI
13AQI
28th June 2025
12AQI
12AQI
29th June 2025
16AQI
16AQI
30th June 2025
21AQI
21AQI
1st July 2025
17AQI
17AQI
2nd July 2025
14AQI
14AQI
3rd July 2025
13AQI
13AQI
4th July 2025
17AQI
17AQI
5th July 2025
20AQI
20AQI
6th July 2025
17AQI
17AQI
7th July 2025
19AQI
19AQI
8th July 2025
21AQI
21AQI
9th July 2025
16AQI
16AQI
10th July 2025
15AQI
15AQI
11th July 2025
19AQI
19AQI
12th July 2025
18AQI
18AQI
13th July 2025
22AQI
22AQI
14th July 2025
17AQI
17AQI
15th July 2025
22AQI
22AQI
16th July 2025
24AQI
24AQI
17th July 2025
30AQI
30AQI
18th July 2025
26AQI
26AQI
19th July 2025
21AQI
21AQI
20th July 2025
19AQI
19AQI
21st July 2025
22AQI
22AQI
22nd July 2025
20AQI
20AQI
23rd July 2025
18AQI
18AQI
24th July 2025
16AQI
16AQI
25th July 2025
16AQI
16AQI
26th July 2025
18AQI
18AQI
27th July 2025
22AQI
22AQI
28th July 2025
20AQI
20AQI
29th July 2025
19AQI
19AQI
30th July 2025
18AQI
18AQI
31st July 2025
18AQI
18AQI
1st August 2025
17AQI
17AQI
2nd August 2025
17AQI
17AQI
3rd August 2025
20AQI
20AQI
4th August 2025
28AQI
28AQI
5th August 2025
30AQI
30AQI
37AQI
24AQI
20AQI
19AQI
16AQI
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
January37AQI
Lowest AQI recorded in
May16AQI
202420AQI
30
1
29
31
30
31
30
30
1
31
29
1
31
28
2
31
361
5
Highest AQI recorded in
December28AQI
Lowest AQI recorded in
June11AQI
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
November36AQI
Lowest AQI recorded in
June9AQI
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
October45AQI
Lowest AQI recorded in
May9AQI
202118AQI
28
2
28
31
30
31
29
1
31
31
30
31
30
31
361
3
Highest AQI recorded in
January24AQI
Lowest AQI recorded in
May11AQI
202026AQI
18
18
28
31
31
19
2
1
4
4
30
30
29
234
2
1
4
4
Highest AQI recorded in
September73AQI
Lowest AQI recorded in
June10AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
26AQILeast Polluted Year Recorded
2021(Avg.)
18AQILongview's annual 2025 AQI (22) shows an average percentage change of 4.2% (worsened AQI) compared to previous years: 2020 (26), 2021 (18), 2022 (22), 2023 (21), 2024 (20).
