Libby, Montana, 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
Libby, Montana, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
35AQILowest AQI recorded on
8th Aug 2025
22AQISame Day Analysis (11th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 31 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
Libby, Montana, United States
AQI
Day
Night
.
6 AM11th Aug 2025
9 PM
5 AM12th Aug 2025
Day time
Avg. Highest Time
2PM11th Aug
48AQI
Avg. Lowest Time
5PM11th Aug
23AQI
Night time
Avg. Highest Time
12AM12th Aug
29AQI
Avg. Lowest Time
5AM12th Aug
22AQI
In the last 24 hours,
Libby's AQI reached its highest point of 48 at 2 PM during the Day, while the lowest point, 22, was recorded at 5 AM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Libby, Montana, 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 2025286 AMAQI
13th Jul 2025257 AMAQI
13th Jul 2025248 AMAQI
13th Jul 2025269 AMAQI
13th Jul 20252810 AMAQI
13th Jul 20253011 AMAQI
13th Jul 20253412 PMAQI
13th Jul 2025351 PMAQI
13th Jul 2025302 PMAQI
13th Jul 2025303 PMAQI
13th Jul 2025264 PMAQI
13th Jul 2025285 PMAQI
13th Jul 2025276 PMAQI
13th Jul 2025297 PMAQI
13th Jul 2025278 PMAQI
13th Jul 2025269 PMAQI
13th Jul 20252610 PMAQI
13th Jul 20252611 PMAQI
14th Jul 20252712 AMAQI
14th Jul 2025271 AMAQI
14th Jul 2025282 AMAQI
14th Jul 2025263 AMAQI
14th Jul 2025314 AMAQI
14th Jul 2025285 AMAQI
24°C18/30°C
14th Jul 2025256 AMAQI
14th Jul 2025257 AMAQI
14th Jul 2025268 AMAQI
14th Jul 2025299 AMAQI
14th Jul 20252710 AMAQI
14th Jul 20253111 AMAQI
14th Jul 20253412 PMAQI
14th Jul 2025441 PMAQI
14th Jul 2025302 PMAQI
14th Jul 2025313 PMAQI
14th Jul 2025344 PMAQI
14th Jul 2025315 PMAQI
14th Jul 2025306 PMAQI
14th Jul 2025317 PMAQI
14th Jul 2025318 PMAQI
14th Jul 2025339 PMAQI
14th Jul 20253410 PMAQI
14th Jul 20253411 PMAQI
15th Jul 20253012 AMAQI
15th Jul 2025311 AMAQI
15th Jul 2025302 AMAQI
15th Jul 2025243 AMAQI
15th Jul 2025214 AMAQI
15th Jul 2025175 AMAQI
24°C15/27°C
15th Jul 2025176 AMAQI
15th Jul 2025197 AMAQI
15th Jul 2025218 AMAQI
15th Jul 2025239 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20252011 AMAQI
15th Jul 20252112 PMAQI
15th Jul 2025231 PMAQI
15th Jul 2025242 PMAQI
15th Jul 2025223 PMAQI
15th Jul 2025224 PMAQI
15th Jul 2025235 PMAQI
15th Jul 2025236 PMAQI
15th Jul 2025227 PMAQI
15th Jul 2025258 PMAQI
15th Jul 2025339 PMAQI
15th Jul 20253910 PMAQI
15th Jul 20253811 PMAQI
16th Jul 20253512 AMAQI
16th Jul 2025341 AMAQI
16th Jul 2025382 AMAQI
16th Jul 2025383 AMAQI
16th Jul 2025344 AMAQI
16th Jul 2025345 AMAQI
13°C8/16°C
16th Jul 2025406 AMAQI
16th Jul 2025427 AMAQI
16th Jul 2025428 AMAQI
16th Jul 2025429 AMAQI
16th Jul 20253810 AMAQI
16th Jul 20254011 AMAQI
16th Jul 20253812 PMAQI
16th Jul 2025381 PMAQI
16th Jul 2025412 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025464 PMAQI
16th Jul 2025395 PMAQI
16th Jul 2025436 PMAQI
16th Jul 2025427 PMAQI
16th Jul 2025418 PMAQI
16th Jul 2025369 PMAQI
16th Jul 20253210 PMAQI
16th Jul 20253411 PMAQI
17th Jul 20253512 AMAQI
17th Jul 2025341 AMAQI
17th Jul 2025342 AMAQI
17th Jul 2025323 AMAQI
17th Jul 2025324 AMAQI
17th Jul 2025345 AMAQI
16°C10/23°C
17th Jul 2025406 AMAQI
17th Jul 2025387 AMAQI
17th Jul 2025378 AMAQI
17th Jul 2025399 AMAQI
17th Jul 20254110 AMAQI
17th Jul 20254411 AMAQI
17th Jul 20254912 PMAQI
17th Jul 2025461 PMAQI
17th Jul 2025502 PMAQI
17th Jul 2025473 PMAQI
17th Jul 2025454 PMAQI
17th Jul 2025435 PMAQI
17th Jul 2025426 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025438 PMAQI
17th Jul 2025409 PMAQI
17th Jul 20254010 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025391 AMAQI
18th Jul 2025392 AMAQI
18th Jul 2025383 AMAQI
18th Jul 2025424 AMAQI
18th Jul 2025405 AMAQI
20°C15/25°C
18th Jul 2025396 AMAQI
18th Jul 2025397 AMAQI
18th Jul 2025378 AMAQI
18th Jul 2025419 AMAQI
18th Jul 20253810 AMAQI
18th Jul 20254011 AMAQI
18th Jul 20254012 PMAQI
18th Jul 2025401 PMAQI
18th Jul 2025392 PMAQI
18th Jul 2025383 PMAQI
18th Jul 2025384 PMAQI
18th Jul 2025395 PMAQI
18th Jul 2025396 PMAQI
18th Jul 2025407 PMAQI
18th Jul 2025418 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20254011 PMAQI
19th Jul 20254012 AMAQI
19th Jul 2025381 AMAQI
19th Jul 2025392 AMAQI
19th Jul 2025393 AMAQI
19th Jul 2025384 AMAQI
19th Jul 2025375 AMAQI
21°C14/27°C
19th Jul 2025386 AMAQI
19th Jul 2025397 AMAQI
19th Jul 2025398 AMAQI
19th Jul 2025409 AMAQI
19th Jul 20254010 AMAQI
19th Jul 20254111 AMAQI
19th Jul 20254112 PMAQI
19th Jul 2025401 PMAQI
19th Jul 2025402 PMAQI
19th Jul 2025403 PMAQI
19th Jul 2025404 PMAQI
19th Jul 2025405 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025397 PMAQI
19th Jul 2025398 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20253911 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025412 AMAQI
20th Jul 2025403 AMAQI
20th Jul 2025394 AMAQI
20th Jul 2025385 AMAQI
20°C14/23°C
20th Jul 2025376 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025399 AMAQI
20th Jul 20254110 AMAQI
20th Jul 20254111 AMAQI
20th Jul 20254212 PMAQI
20th Jul 2025451 PMAQI
20th Jul 2025442 PMAQI
20th Jul 2025423 PMAQI
20th Jul 2025424 PMAQI
20th Jul 2025405 PMAQI
20th Jul 2025386 PMAQI
20th Jul 2025407 PMAQI
20th Jul 2025408 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253710 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20253912 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025372 AMAQI
21st Jul 2025373 AMAQI
21st Jul 2025344 AMAQI
21st Jul 2025355 AMAQI
19°C14/23°C
21st Jul 2025366 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025398 AMAQI
21st Jul 2025379 AMAQI
21st Jul 20253710 AMAQI
21st Jul 20253411 AMAQI
21st Jul 20253312 PMAQI
21st Jul 2025321 PMAQI
21st Jul 2025402 PMAQI
21st Jul 2025273 PMAQI
21st Jul 2025274 PMAQI
21st Jul 2025265 PMAQI
21st Jul 2025266 PMAQI
21st Jul 2025257 PMAQI
21st Jul 2025248 PMAQI
21st Jul 2025269 PMAQI
21st Jul 20252810 PMAQI
21st Jul 20252811 PMAQI
22nd Jul 20252412 AMAQI
22nd Jul 2025161 AMAQI
22nd Jul 2025202 AMAQI
22nd Jul 2025253 AMAQI
22nd Jul 2025194 AMAQI
22nd Jul 2025225 AMAQI
18°C16/20°C
22nd Jul 2025276 AMAQI
22nd Jul 2025267 AMAQI
22nd Jul 2025198 AMAQI
22nd Jul 2025249 AMAQI
22nd Jul 20252610 AMAQI
22nd Jul 20252311 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025252 PMAQI
22nd Jul 2025303 PMAQI
22nd Jul 2025284 PMAQI
22nd Jul 2025265 PMAQI
22nd Jul 2025246 PMAQI
22nd Jul 2025237 PMAQI
22nd Jul 2025248 PMAQI
22nd Jul 2025289 PMAQI
22nd Jul 20252510 PMAQI
22nd Jul 20252311 PMAQI
23rd Jul 20253312 AMAQI
23rd Jul 2025351 AMAQI
23rd Jul 2025312 AMAQI
23rd Jul 2025263 AMAQI
23rd Jul 2025234 AMAQI
23rd Jul 2025205 AMAQI
15°C13/17°C
23rd Jul 2025236 AMAQI
23rd Jul 2025257 AMAQI
23rd Jul 2025268 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20252310 AMAQI
23rd Jul 20252411 AMAQI
23rd Jul 20252412 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025312 PMAQI
23rd Jul 2025313 PMAQI
23rd Jul 2025314 PMAQI
23rd Jul 2025315 PMAQI
23rd Jul 2025296 PMAQI
23rd Jul 2025317 PMAQI
23rd Jul 2025298 PMAQI
23rd Jul 2025289 PMAQI
23rd Jul 20252810 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20252912 AMAQI
24th Jul 2025301 AMAQI
24th Jul 2025292 AMAQI
24th Jul 2025323 AMAQI
24th Jul 2025334 AMAQI
24th Jul 2025335 AMAQI
17°C12/22°C
24th Jul 2025346 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025309 AMAQI
24th Jul 20253010 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20253212 PMAQI
24th Jul 2025341 PMAQI
24th Jul 2025372 PMAQI
24th Jul 2025383 PMAQI
24th Jul 2025384 PMAQI
24th Jul 2025365 PMAQI
24th Jul 2025346 PMAQI
24th Jul 2025327 PMAQI
24th Jul 2025308 PMAQI
24th Jul 2025299 PMAQI
24th Jul 20253010 PMAQI
24th Jul 20252811 PMAQI
25th Jul 20253012 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025302 AMAQI
25th Jul 2025253 AMAQI
25th Jul 2025244 AMAQI
25th Jul 2025255 AMAQI
21°C15/27°C
25th Jul 2025276 AMAQI
25th Jul 2025267 AMAQI
25th Jul 2025268 AMAQI
25th Jul 2025279 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20253012 PMAQI
25th Jul 2025301 PMAQI
25th Jul 2025262 PMAQI
25th Jul 2025263 PMAQI
25th Jul 2025244 PMAQI
25th Jul 2025245 PMAQI
25th Jul 2025256 PMAQI
25th Jul 2025267 PMAQI
25th Jul 2025248 PMAQI
25th Jul 2025229 PMAQI
25th Jul 20252010 PMAQI
25th Jul 20251911 PMAQI
26th Jul 20251912 AMAQI
26th Jul 2025201 AMAQI
26th Jul 2025222 AMAQI
26th Jul 2025223 AMAQI
26th Jul 2025184 AMAQI
26th Jul 2025165 AMAQI
22°C17/26°C
26th Jul 2025186 AMAQI
26th Jul 2025207 AMAQI
26th Jul 2025238 AMAQI
26th Jul 2025229 AMAQI
26th Jul 20252110 AMAQI
26th Jul 20252611 AMAQI
26th Jul 20252812 PMAQI
26th Jul 2025281 PMAQI
26th Jul 2025262 PMAQI
26th Jul 2025223 PMAQI
26th Jul 2025204 PMAQI
26th Jul 2025205 PMAQI
26th Jul 2025196 PMAQI
26th Jul 2025207 PMAQI
26th Jul 2025208 PMAQI
26th Jul 2025189 PMAQI
26th Jul 20251910 PMAQI
26th Jul 20251911 PMAQI
27th Jul 20252012 AMAQI
27th Jul 2025221 AMAQI
27th Jul 2025222 AMAQI
27th Jul 2025223 AMAQI
27th Jul 2025224 AMAQI
27th Jul 2025245 AMAQI
21°C16/25°C
27th Jul 2025236 AMAQI
27th Jul 2025237 AMAQI
27th Jul 2025228 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025291 PMAQI
27th Jul 2025292 PMAQI
27th Jul 2025283 PMAQI
27th Jul 2025264 PMAQI
27th Jul 2025255 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025238 PMAQI
27th Jul 2025229 PMAQI
27th Jul 20252110 PMAQI
27th Jul 20252211 PMAQI
28th Jul 20252312 AMAQI
28th Jul 2025221 AMAQI
28th Jul 2025222 AMAQI
28th Jul 2025233 AMAQI
28th Jul 2025204 AMAQI
28th Jul 2025225 AMAQI
21°C15/26°C
28th Jul 2025226 AMAQI
28th Jul 2025237 AMAQI
28th Jul 2025248 AMAQI
28th Jul 2025269 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20252611 AMAQI
28th Jul 20252712 PMAQI
28th Jul 2025271 PMAQI
28th Jul 2025272 PMAQI
28th Jul 2025263 PMAQI
28th Jul 2025264 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025276 PMAQI
28th Jul 2025247 PMAQI
28th Jul 2025248 PMAQI
28th Jul 2025249 PMAQI
28th Jul 20252410 PMAQI
28th Jul 20252411 PMAQI
29th Jul 20252512 AMAQI
29th Jul 2025241 AMAQI
29th Jul 2025222 AMAQI
29th Jul 2025243 AMAQI
29th Jul 2025234 AMAQI
29th Jul 2025245 AMAQI
22°C15/27°C
29th Jul 2025286 AMAQI
29th Jul 2025287 AMAQI
29th Jul 2025278 AMAQI
29th Jul 2025299 AMAQI
29th Jul 20253210 AMAQI
29th Jul 20253211 AMAQI
29th Jul 20252912 PMAQI
29th Jul 2025281 PMAQI
29th Jul 2025302 PMAQI
29th Jul 2025303 PMAQI
29th Jul 2025304 PMAQI
29th Jul 2025285 PMAQI
29th Jul 2025266 PMAQI
29th Jul 2025257 PMAQI
29th Jul 2025258 PMAQI
29th Jul 2025229 PMAQI
29th Jul 20252610 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252812 AMAQI
30th Jul 2025271 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025253 AMAQI
30th Jul 2025274 AMAQI
30th Jul 2025255 AMAQI
23°C17/28°C
30th Jul 2025246 AMAQI
30th Jul 2025237 AMAQI
30th Jul 2025238 AMAQI
30th Jul 2025279 AMAQI
30th Jul 20252810 AMAQI
30th Jul 20252811 AMAQI
30th Jul 20253012 PMAQI
30th Jul 2025391 PMAQI
30th Jul 2025502 PMAQI
30th Jul 2025513 PMAQI
30th Jul 2025514 PMAQI
30th Jul 2025515 PMAQI
30th Jul 2025516 PMAQI
30th Jul 2025517 PMAQI
30th Jul 2025518 PMAQI
30th Jul 2025309 PMAQI
30th Jul 20252310 PMAQI
30th Jul 20252311 PMAQI
31st Jul 20252212 AMAQI
31st Jul 2025231 AMAQI
31st Jul 2025222 AMAQI
31st Jul 2025223 AMAQI
31st Jul 2025224 AMAQI
31st Jul 2025255 AMAQI
24°C17/29°C
31st Jul 2025286 AMAQI
31st Jul 2025277 AMAQI
31st Jul 2025338 AMAQI
31st Jul 2025369 AMAQI
31st Jul 20253510 AMAQI
31st Jul 20253611 AMAQI
31st Jul 20253612 PMAQI
31st Jul 2025361 PMAQI
31st Jul 2025382 PMAQI
31st Jul 2025503 PMAQI
31st Jul 2025504 PMAQI
31st Jul 2025475 PMAQI
31st Jul 2025446 PMAQI
31st Jul 2025337 PMAQI
31st Jul 2025338 PMAQI
31st Jul 2025319 PMAQI
31st Jul 20252810 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252912 AMAQI
1st Aug 2025311 AMAQI
1st Aug 2025302 AMAQI
1st Aug 2025333 AMAQI
1st Aug 2025334 AMAQI
1st Aug 2025325 AMAQI
25°C19/29°C
1st Aug 2025326 AMAQI
1st Aug 2025297 AMAQI
1st Aug 2025298 AMAQI
1st Aug 2025319 AMAQI
1st Aug 20253310 AMAQI
1st Aug 20253511 AMAQI
1st Aug 20253612 PMAQI
1st Aug 2025411 PMAQI
1st Aug 2025452 PMAQI
1st Aug 2025413 PMAQI
1st Aug 2025464 PMAQI
1st Aug 2025375 PMAQI
1st Aug 2025316 PMAQI
1st Aug 2025317 PMAQI
1st Aug 2025388 PMAQI
1st Aug 2025449 PMAQI
1st Aug 20254310 PMAQI
1st Aug 20254011 PMAQI
2nd Aug 20254112 AMAQI
2nd Aug 2025441 AMAQI
2nd Aug 2025402 AMAQI
2nd Aug 2025453 AMAQI
2nd Aug 2025384 AMAQI
2nd Aug 2025325 AMAQI
22°C18/26°C
2nd Aug 2025376 AMAQI
2nd Aug 2025427 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025409 AMAQI
2nd Aug 20254410 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20254012 PMAQI
2nd Aug 2025331 PMAQI
2nd Aug 2025292 PMAQI
2nd Aug 2025263 PMAQI
2nd Aug 2025274 PMAQI
2nd Aug 2025225 PMAQI
2nd Aug 2025226 PMAQI
2nd Aug 2025387 PMAQI
2nd Aug 2025328 PMAQI
2nd Aug 2025259 PMAQI
2nd Aug 20252610 PMAQI
2nd Aug 20252311 PMAQI
3rd Aug 20252512 AMAQI
3rd Aug 2025241 AMAQI
3rd Aug 2025272 AMAQI
3rd Aug 2025273 AMAQI
3rd Aug 2025284 AMAQI
3rd Aug 2025225 AMAQI
20°C16/24°C
3rd Aug 2025236 AMAQI
3rd Aug 2025227 AMAQI
3rd Aug 2025208 AMAQI
3rd Aug 2025209 AMAQI
3rd Aug 20252010 AMAQI
3rd Aug 20252111 AMAQI
3rd Aug 20252112 PMAQI
3rd Aug 2025251 PMAQI
3rd Aug 2025252 PMAQI
3rd Aug 2025283 PMAQI
3rd Aug 2025244 PMAQI
3rd Aug 2025265 PMAQI
3rd Aug 2025236 PMAQI
3rd Aug 2025247 PMAQI
3rd Aug 2025258 PMAQI
3rd Aug 2025249 PMAQI
3rd Aug 20252410 PMAQI
3rd Aug 20252211 PMAQI
4th Aug 20252412 AMAQI
4th Aug 2025251 AMAQI
4th Aug 2025242 AMAQI
4th Aug 2025223 AMAQI
4th Aug 2025224 AMAQI
4th Aug 2025215 AMAQI
21°C16/26°C
4th Aug 2025236 AMAQI
4th Aug 2025247 AMAQI
4th Aug 2025228 AMAQI
4th Aug 2025239 AMAQI
4th Aug 20252310 AMAQI
4th Aug 20252611 AMAQI
4th Aug 20252612 PMAQI
4th Aug 2025301 PMAQI
4th Aug 2025282 PMAQI
4th Aug 2025293 PMAQI
4th Aug 2025274 PMAQI
4th Aug 2025305 PMAQI
4th Aug 2025316 PMAQI
4th Aug 2025247 PMAQI
4th Aug 2025238 PMAQI
4th Aug 2025249 PMAQI
4th Aug 20252410 PMAQI
4th Aug 20252511 PMAQI
5th Aug 20252912 AMAQI
5th Aug 2025261 AMAQI
5th Aug 2025292 AMAQI
5th Aug 2025243 AMAQI
5th Aug 2025254 AMAQI
5th Aug 2025245 AMAQI
21°C16/25°C
5th Aug 2025236 AMAQI
5th Aug 2025227 AMAQI
5th Aug 2025248 AMAQI
5th Aug 2025269 AMAQI
5th Aug 20252410 AMAQI
5th Aug 20252411 AMAQI
5th Aug 20252612 PMAQI
5th Aug 2025221 PMAQI
5th Aug 2025302 PMAQI
5th Aug 2025223 PMAQI
5th Aug 2025224 PMAQI
5th Aug 2025285 PMAQI
5th Aug 2025386 PMAQI
5th Aug 2025377 PMAQI
5th Aug 2025358 PMAQI
5th Aug 2025329 PMAQI
5th Aug 20253310 PMAQI
5th Aug 20253211 PMAQI
6th Aug 20253212 AMAQI
6th Aug 2025351 AMAQI
6th Aug 2025372 AMAQI
6th Aug 2025343 AMAQI
6th Aug 2025334 AMAQI
6th Aug 2025335 AMAQI
20°C15/24°C
6th Aug 2025306 AMAQI
6th Aug 2025307 AMAQI
6th Aug 2025288 AMAQI
6th Aug 2025329 AMAQI
6th Aug 20253510 AMAQI
6th Aug 20253811 AMAQI
6th Aug 20254012 PMAQI
6th Aug 2025391 PMAQI
6th Aug 2025402 PMAQI
6th Aug 2025393 PMAQI
6th Aug 2025424 PMAQI
6th Aug 2025415 PMAQI
6th Aug 2025376 PMAQI
6th Aug 2025327 PMAQI
6th Aug 2025368 PMAQI
6th Aug 2025359 PMAQI
6th Aug 20253510 PMAQI
6th Aug 20253611 PMAQI
7th Aug 20253612 AMAQI
7th Aug 2025341 AMAQI
7th Aug 2025352 AMAQI
7th Aug 2025343 AMAQI
7th Aug 2025314 AMAQI
7th Aug 2025315 AMAQI
19°C15/23°C
7th Aug 2025306 AMAQI
7th Aug 2025307 AMAQI
7th Aug 2025318 AMAQI
7th Aug 2025309 AMAQI
7th Aug 20252810 AMAQI
7th Aug 20253111 AMAQI
7th Aug 20253112 PMAQI
7th Aug 2025291 PMAQI
7th Aug 2025312 PMAQI
7th Aug 2025323 PMAQI
7th Aug 2025314 PMAQI
7th Aug 2025295 PMAQI
7th Aug 2025276 PMAQI
7th Aug 2025307 PMAQI
7th Aug 2025298 PMAQI
7th Aug 2025289 PMAQI
7th Aug 20252710 PMAQI
7th Aug 20252611 PMAQI
8th Aug 20252612 AMAQI
8th Aug 2025261 AMAQI
8th Aug 2025262 AMAQI
8th Aug 2025233 AMAQI
8th Aug 2025204 AMAQI
8th Aug 2025175 AMAQI
16°C13/19°C
8th Aug 2025166 AMAQI
8th Aug 2025177 AMAQI
8th Aug 2025208 AMAQI
8th Aug 2025189 AMAQI
8th Aug 20251910 AMAQI
8th Aug 20252111 AMAQI
8th Aug 20252212 PMAQI
8th Aug 2025251 PMAQI
8th Aug 2025242 PMAQI
8th Aug 2025243 PMAQI
8th Aug 2025244 PMAQI
8th Aug 2025235 PMAQI
8th Aug 2025226 PMAQI
8th Aug 2025247 PMAQI
8th Aug 2025248 PMAQI
8th Aug 2025239 PMAQI
8th Aug 20252310 PMAQI
8th Aug 20252311 PMAQI
9th Aug 20252212 AMAQI
9th Aug 2025241 AMAQI
9th Aug 2025242 AMAQI
9th Aug 2025263 AMAQI
9th Aug 2025264 AMAQI
9th Aug 2025225 AMAQI
16°C11/21°C
9th Aug 2025236 AMAQI
9th Aug 2025237 AMAQI
9th Aug 2025258 AMAQI
9th Aug 2025249 AMAQI
9th Aug 20252210 AMAQI
9th Aug 20252211 AMAQI
9th Aug 20252112 PMAQI
9th Aug 2025231 PMAQI
9th Aug 2025252 PMAQI
9th Aug 2025263 PMAQI
9th Aug 2025294 PMAQI
9th Aug 2025235 PMAQI
9th Aug 2025226 PMAQI
9th Aug 2025237 PMAQI
9th Aug 2025248 PMAQI
9th Aug 2025259 PMAQI
9th Aug 20252410 PMAQI
9th Aug 20252611 PMAQI
10th Aug 20252612 AMAQI
10th Aug 2025281 AMAQI
10th Aug 2025272 AMAQI
10th Aug 2025293 AMAQI
10th Aug 2025344 AMAQI
10th Aug 2025325 AMAQI
20°C14/24°C
10th Aug 2025296 AMAQI
10th Aug 2025287 AMAQI
10th Aug 2025288 AMAQI
10th Aug 2025289 AMAQI
10th Aug 20252910 AMAQI
10th Aug 20252711 AMAQI
10th Aug 20252912 PMAQI
10th Aug 2025311 PMAQI
10th Aug 2025282 PMAQI
10th Aug 2025323 PMAQI
10th Aug 2025324 PMAQI
10th Aug 2025305 PMAQI
10th Aug 2025256 PMAQI
10th Aug 2025317 PMAQI
10th Aug 2025308 PMAQI
10th Aug 2025269 PMAQI
10th Aug 20252610 PMAQI
10th Aug 20252511 PMAQI
11th Aug 20252612 AMAQI
11th Aug 2025291 AMAQI
11th Aug 2025302 AMAQI
11th Aug 2025313 AMAQI
11th Aug 2025284 AMAQI
11th Aug 2025325 AMAQI
22°C17/27°C
11th Aug 2025336 AMAQI
11th Aug 2025257 AMAQI
11th Aug 2025268 AMAQI
11th Aug 2025269 AMAQI
11th Aug 20252610 AMAQI
11th Aug 20252711 AMAQI
11th Aug 20253912 PMAQI
11th Aug 2025471 PMAQI
11th Aug 2025482 PMAQI
11th Aug 2025413 PMAQI
11th Aug 2025304 PMAQI
11th Aug 2025235 PMAQI
11th Aug 2025276 PMAQI
11th Aug 2025267 PMAQI
11th Aug 2025258 PMAQI
11th Aug 2025269 PMAQI
11th Aug 20252810 PMAQI
11th Aug 20252711 PMAQI
12th Aug 20252912 AMAQI
12th Aug 2025271 AMAQI
12th Aug 2025252 AMAQI
12th Aug 2025243 AMAQI
12th Aug 2025244 AMAQI
12th Aug 2025225 AMAQI
24°C19/29°C
6 AM
1 PM
9 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 4 PM
33AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
6 AM - 10 AM
28AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 4 PM (Avg. 33), while the lowest AQI was between 6 AM to 10 AM (Avg. 28).
Night time
Avg. Highest Time
12 AM - 11 PM
29AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 5 AM
29AQI
6 hours / Day
180 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 5 AM (Avg. 29).
2025 Days Vs Air Quality
Libby, Montana, United States
2025
100%
139
Total number of days with different AQI categories in last 224 days in 2025 (141 days remaining)
Good
139 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
Libby, Montana, 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
25AQI
25AQI
2nd March 2025
34AQI
34AQI
3rd March 2025
27AQI
27AQI
4th March 2025
27AQI
27AQI
5th March 2025
39AQI
39AQI
6th March 2025
39AQI
39AQI
1st April 2025
20AQI
20AQI
2nd April 2025
28AQI
28AQI
3rd April 2025
31AQI
31AQI
4th April 2025
36AQI
36AQI
5th April 2025
32AQI
32AQI
6th April 2025
39AQI
39AQI
7th April 2025
41AQI
41AQI
8th April 2025
20AQI
20AQI
9th April 2025
18AQI
18AQI
10th April 2025
33AQI
33AQI
11th April 2025
27AQI
27AQI
12th April 2025
27AQI
27AQI
13th April 2025
22AQI
22AQI
14th April 2025
33AQI
33AQI
15th April 2025
36AQI
36AQI
16th April 2025
40AQI
40AQI
17th April 2025
20AQI
20AQI
18th April 2025
29AQI
29AQI
19th April 2025
40AQI
40AQI
20th April 2025
16AQI
16AQI
21st April 2025
19AQI
19AQI
22nd April 2025
20AQI
20AQI
23rd April 2025
23AQI
23AQI
24th April 2025
34AQI
34AQI
25th April 2025
35AQI
35AQI
26th April 2025
32AQI
32AQI
27th April 2025
45AQI
45AQI
28th April 2025
32AQI
32AQI
29th April 2025
27AQI
27AQI
30th April 2025
25AQI
25AQI
1st May 2025
25AQI
25AQI
2nd May 2025
28AQI
28AQI
3rd May 2025
34AQI
34AQI
4th May 2025
19AQI
19AQI
5th May 2025
22AQI
22AQI
6th May 2025
21AQI
21AQI
7th May 2025
24AQI
24AQI
8th May 2025
23AQI
23AQI
9th May 2025
30AQI
30AQI
10th May 2025
32AQI
32AQI
11th May 2025
22AQI
22AQI
12th May 2025
16AQI
16AQI
13th May 2025
22AQI
22AQI
14th May 2025
20AQI
20AQI
15th May 2025
16AQI
16AQI
16th May 2025
23AQI
23AQI
17th May 2025
15AQI
15AQI
18th May 2025
15AQI
15AQI
19th May 2025
16AQI
16AQI
20th May 2025
15AQI
15AQI
21st May 2025
19AQI
19AQI
22nd May 2025
19AQI
19AQI
23rd May 2025
18AQI
18AQI
24th May 2025
22AQI
22AQI
25th May 2025
22AQI
22AQI
26th May 2025
24AQI
24AQI
27th May 2025
25AQI
25AQI
28th May 2025
23AQI
23AQI
29th May 2025
27AQI
27AQI
30th May 2025
24AQI
24AQI
31st May 2025
28AQI
28AQI
1st June 2025
20AQI
20AQI
2nd June 2025
20AQI
20AQI
3rd June 2025
18AQI
18AQI
4th June 2025
21AQI
21AQI
5th June 2025
29AQI
29AQI
6th June 2025
33AQI
33AQI
7th June 2025
32AQI
32AQI
8th June 2025
36AQI
36AQI
9th June 2025
38AQI
38AQI
10th June 2025
36AQI
36AQI
11th June 2025
44AQI
44AQI
12th June 2025
41AQI
41AQI
13th June 2025
34AQI
34AQI
14th June 2025
27AQI
27AQI
15th June 2025
27AQI
27AQI
16th June 2025
26AQI
26AQI
17th June 2025
34AQI
34AQI
18th June 2025
37AQI
37AQI
19th June 2025
27AQI
27AQI
20th June 2025
33AQI
33AQI
21st June 2025
27AQI
27AQI
22nd June 2025
27AQI
27AQI
23rd June 2025
29AQI
29AQI
24th June 2025
41AQI
41AQI
25th June 2025
41AQI
41AQI
26th June 2025
37AQI
37AQI
27th June 2025
32AQI
32AQI
28th June 2025
30AQI
30AQI
29th June 2025
30AQI
30AQI
30th June 2025
28AQI
28AQI
1st July 2025
29AQI
29AQI
2nd July 2025
33AQI
33AQI
3rd July 2025
34AQI
34AQI
4th July 2025
31AQI
31AQI
5th July 2025
32AQI
32AQI
6th July 2025
26AQI
26AQI
7th July 2025
24AQI
24AQI
8th July 2025
28AQI
28AQI
9th July 2025
26AQI
26AQI
10th July 2025
31AQI
31AQI
11th July 2025
24AQI
24AQI
12th July 2025
28AQI
28AQI
13th July 2025
28AQI
28AQI
14th July 2025
30AQI
30AQI
15th July 2025
25AQI
25AQI
16th July 2025
38AQI
38AQI
17th July 2025
40AQI
40AQI
18th July 2025
39AQI
39AQI
19th July 2025
39AQI
39AQI
20th July 2025
40AQI
40AQI
21st July 2025
32AQI
32AQI
22nd July 2025
24AQI
24AQI
23rd July 2025
27AQI
27AQI
24th July 2025
32AQI
32AQI
25th July 2025
26AQI
26AQI
26th July 2025
21AQI
21AQI
27th July 2025
23AQI
23AQI
28th July 2025
24AQI
24AQI
29th July 2025
26AQI
26AQI
30th July 2025
33AQI
33AQI
31st July 2025
32AQI
32AQI
1st August 2025
35AQI
35AQI
2nd August 2025
35AQI
35AQI
3rd August 2025
24AQI
24AQI
4th August 2025
25AQI
25AQI
5th August 2025
28AQI
28AQI
6th August 2025
35AQI
35AQI
7th August 2025
30AQI
30AQI
8th August 2025
22AQI
22AQI
9th August 2025
24AQI
24AQI
10th August 2025
29AQI
29AQI
11th August 2025
31AQI
31AQI
32AQI
29AQI
22AQI
31AQI
30AQI
29AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202528AQI
6
30
31
30
31
11
139
Highest AQI recorded in
March32AQI
Lowest AQI recorded in
May22AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
28AQILeast Polluted Year Recorded
2025(Avg.)
28AQILibby's annual 2025 AQI (28) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
