Bismarck, North Dakota, 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
Bismarck, North Dakota, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2021
154AQILowest AQI recorded on
8th Aug 2024
20AQISame Day Analysis (8th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 27 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 8th Aug - 9th Aug 2025
Bismarck, North Dakota, United States
AQI
Day
Night
.
6 AM8th Aug 2025
9 PM
5 AM9th Aug 2025
Day time
Avg. Highest Time
4PM8th Aug
24AQI
Avg. Lowest Time
10AM8th Aug
20AQI
Night time
Avg. Highest Time
10PM8th Aug
21AQI
Avg. Lowest Time
5AM9th Aug
15AQI
In the last 24 hours,
Bismarck's AQI reached its highest point of 24 at 4 PM during the Day, while the lowest point, 15, was recorded at 5 AM during the Night between 8th Aug and 9th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Bismarck, North Dakota, United States
JulAug
10th - 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 - 07th07th - 08th08th - 09th09th
Day
Night
10th Jul 2025216 AMAQI
10th Jul 2025227 AMAQI
10th Jul 2025228 AMAQI
10th Jul 2025239 AMAQI
10th Jul 20252210 AMAQI
10th Jul 20252411 AMAQI
10th Jul 20252412 PMAQI
10th Jul 2025251 PMAQI
10th Jul 2025242 PMAQI
10th Jul 2025223 PMAQI
10th Jul 2025244 PMAQI
10th Jul 2025245 PMAQI
10th Jul 2025246 PMAQI
10th Jul 2025237 PMAQI
10th Jul 2025268 PMAQI
10th Jul 2025269 PMAQI
10th Jul 20253210 PMAQI
10th Jul 20254411 PMAQI
11th Jul 20254212 AMAQI
11th Jul 2025581 AMAQI
11th Jul 20251252 AMAQI
11th Jul 20251543 AMAQI
11th Jul 20251784 AMAQI
11th Jul 20251825 AMAQI
--°C/°C
11th Jul 20251766 AMAQI
11th Jul 20251667 AMAQI
11th Jul 20251338 AMAQI
11th Jul 20251329 AMAQI
11th Jul 202510710 AMAQI
11th Jul 20258811 AMAQI
11th Jul 20257312 PMAQI
11th Jul 2025741 PMAQI
11th Jul 2025822 PMAQI
11th Jul 2025623 PMAQI
11th Jul 2025644 PMAQI
11th Jul 2025605 PMAQI
11th Jul 2025676 PMAQI
11th Jul 2025867 PMAQI
11th Jul 2025828 PMAQI
11th Jul 2025769 PMAQI
11th Jul 20257410 PMAQI
11th Jul 20258311 PMAQI
12th Jul 20258812 AMAQI
12th Jul 2025871 AMAQI
12th Jul 2025682 AMAQI
12th Jul 2025663 AMAQI
12th Jul 2025644 AMAQI
12th Jul 2025725 AMAQI
21°C17/24°C
12th Jul 2025686 AMAQI
12th Jul 2025657 AMAQI
12th Jul 2025718 AMAQI
12th Jul 2025799 AMAQI
12th Jul 20259610 AMAQI
12th Jul 202511411 AMAQI
12th Jul 202514312 PMAQI
12th Jul 20251501 PMAQI
12th Jul 20251292 PMAQI
12th Jul 20251093 PMAQI
12th Jul 20251044 PMAQI
12th Jul 2025825 PMAQI
12th Jul 2025836 PMAQI
12th Jul 2025767 PMAQI
12th Jul 2025778 PMAQI
12th Jul 2025699 PMAQI
12th Jul 20256610 PMAQI
12th Jul 20257211 PMAQI
13th Jul 20257212 AMAQI
13th Jul 2025731 AMAQI
13th Jul 2025422 AMAQI
13th Jul 2025343 AMAQI
13th Jul 2025414 AMAQI
13th Jul 2025345 AMAQI
21°C10/29°C
13th Jul 2025346 AMAQI
13th Jul 2025387 AMAQI
13th Jul 2025368 AMAQI
13th Jul 2025359 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253711 AMAQI
13th Jul 20253812 PMAQI
13th Jul 2025381 PMAQI
13th Jul 2025352 PMAQI
13th Jul 2025443 PMAQI
13th Jul 2025404 PMAQI
13th Jul 2025425 PMAQI
13th Jul 2025436 PMAQI
13th Jul 2025427 PMAQI
13th Jul 2025398 PMAQI
13th Jul 2025389 PMAQI
13th Jul 20253410 PMAQI
13th Jul 20253611 PMAQI
14th Jul 20253412 AMAQI
14th Jul 2025351 AMAQI
14th Jul 2025202 AMAQI
14th Jul 2025213 AMAQI
14th Jul 2025204 AMAQI
14th Jul 2025215 AMAQI
25°C14/32°C
14th Jul 2025246 AMAQI
14th Jul 2025227 AMAQI
14th Jul 2025228 AMAQI
14th Jul 2025229 AMAQI
14th Jul 20252410 AMAQI
14th Jul 20252411 AMAQI
14th Jul 20252412 PMAQI
14th Jul 2025261 PMAQI
14th Jul 2025262 PMAQI
14th Jul 2025283 PMAQI
14th Jul 2025284 PMAQI
14th Jul 2025305 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025257 PMAQI
14th Jul 2025258 PMAQI
14th Jul 2025279 PMAQI
14th Jul 20252810 PMAQI
14th Jul 20253211 PMAQI
15th Jul 20254012 AMAQI
15th Jul 2025441 AMAQI
15th Jul 2025512 AMAQI
15th Jul 2025333 AMAQI
15th Jul 2025244 AMAQI
15th Jul 2025265 AMAQI
27°C17/37°C
15th Jul 2025296 AMAQI
15th Jul 2025427 AMAQI
15th Jul 2025488 AMAQI
15th Jul 2025479 AMAQI
15th Jul 20255210 AMAQI
15th Jul 20255611 AMAQI
15th Jul 20255812 PMAQI
15th Jul 2025641 PMAQI
15th Jul 2025672 PMAQI
15th Jul 2025623 PMAQI
15th Jul 2025604 PMAQI
15th Jul 2025625 PMAQI
15th Jul 2025616 PMAQI
15th Jul 2025557 PMAQI
15th Jul 2025538 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255311 PMAQI
16th Jul 20255112 AMAQI
16th Jul 2025471 AMAQI
16th Jul 2025462 AMAQI
16th Jul 2025303 AMAQI
16th Jul 2025244 AMAQI
16th Jul 2025225 AMAQI
17°C15/17°C
16th Jul 2025246 AMAQI
16th Jul 2025267 AMAQI
16th Jul 2025268 AMAQI
16th Jul 2025269 AMAQI
16th Jul 20252510 AMAQI
16th Jul 20252811 AMAQI
16th Jul 20253212 PMAQI
16th Jul 2025421 PMAQI
16th Jul 2025492 PMAQI
16th Jul 2025353 PMAQI
16th Jul 2025384 PMAQI
16th Jul 2025405 PMAQI
16th Jul 2025456 PMAQI
16th Jul 2025447 PMAQI
16th Jul 2025468 PMAQI
16th Jul 2025579 PMAQI
16th Jul 20255810 PMAQI
16th Jul 20255911 PMAQI
17th Jul 20256312 AMAQI
17th Jul 2025611 AMAQI
17th Jul 2025862 AMAQI
17th Jul 2025903 AMAQI
17th Jul 2025834 AMAQI
17th Jul 2025805 AMAQI
16°C10/22°C
17th Jul 2025796 AMAQI
17th Jul 2025847 AMAQI
17th Jul 2025778 AMAQI
17th Jul 2025789 AMAQI
17th Jul 20257710 AMAQI
17th Jul 20257111 AMAQI
17th Jul 20256612 PMAQI
17th Jul 2025621 PMAQI
17th Jul 2025642 PMAQI
17th Jul 2025683 PMAQI
17th Jul 2025664 PMAQI
17th Jul 2025655 PMAQI
17th Jul 2025656 PMAQI
17th Jul 2025707 PMAQI
17th Jul 2025688 PMAQI
17th Jul 2025599 PMAQI
17th Jul 20255810 PMAQI
17th Jul 20255811 PMAQI
18th Jul 20255612 AMAQI
18th Jul 2025561 AMAQI
18th Jul 2025312 AMAQI
18th Jul 2025223 AMAQI
18th Jul 2025214 AMAQI
18th Jul 2025215 AMAQI
15°C5/23°C
18th Jul 2025246 AMAQI
18th Jul 2025267 AMAQI
18th Jul 2025288 AMAQI
18th Jul 2025279 AMAQI
18th Jul 20252910 AMAQI
18th Jul 20253211 AMAQI
18th Jul 20253512 PMAQI
18th Jul 2025341 PMAQI
18th Jul 2025342 PMAQI
18th Jul 2025363 PMAQI
18th Jul 2025384 PMAQI
18th Jul 2025395 PMAQI
18th Jul 2025396 PMAQI
18th Jul 2025337 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025339 PMAQI
18th Jul 20253110 PMAQI
18th Jul 20252911 PMAQI
19th Jul 20252912 AMAQI
19th Jul 2025271 AMAQI
19th Jul 2025202 AMAQI
19th Jul 2025183 AMAQI
19th Jul 2025174 AMAQI
19th Jul 2025175 AMAQI
21°C15/27°C
19th Jul 2025196 AMAQI
19th Jul 2025207 AMAQI
19th Jul 2025188 AMAQI
19th Jul 2025189 AMAQI
19th Jul 20251910 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025242 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025255 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025227 PMAQI
19th Jul 2025228 PMAQI
19th Jul 2025229 PMAQI
19th Jul 20252310 PMAQI
19th Jul 20252411 PMAQI
20th Jul 20252212 AMAQI
20th Jul 2025211 AMAQI
20th Jul 2025202 AMAQI
20th Jul 2025203 AMAQI
20th Jul 2025184 AMAQI
20th Jul 2025185 AMAQI
19°C12/26°C
20th Jul 2025246 AMAQI
20th Jul 2025207 AMAQI
20th Jul 2025208 AMAQI
20th Jul 2025199 AMAQI
20th Jul 20252110 AMAQI
20th Jul 20252411 AMAQI
20th Jul 20252412 PMAQI
20th Jul 2025251 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025223 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025238 PMAQI
20th Jul 2025239 PMAQI
20th Jul 20252310 PMAQI
20th Jul 20252511 PMAQI
21st Jul 20252412 AMAQI
21st Jul 2025241 AMAQI
21st Jul 2025222 AMAQI
21st Jul 2025203 AMAQI
21st Jul 2025174 AMAQI
21st Jul 2025185 AMAQI
20°C16/25°C
21st Jul 2025226 AMAQI
21st Jul 2025217 AMAQI
21st Jul 2025238 AMAQI
21st Jul 2025239 AMAQI
21st Jul 20252410 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252312 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025232 PMAQI
21st Jul 2025263 PMAQI
21st Jul 2025254 PMAQI
21st Jul 2025245 PMAQI
21st Jul 2025236 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025238 PMAQI
21st Jul 2025239 PMAQI
21st Jul 20252310 PMAQI
21st Jul 20252411 PMAQI
22nd Jul 20252412 AMAQI
22nd Jul 2025221 AMAQI
22nd Jul 2025262 AMAQI
22nd Jul 2025233 AMAQI
22nd Jul 2025354 AMAQI
22nd Jul 2025295 AMAQI
24°C18/31°C
22nd Jul 2025316 AMAQI
22nd Jul 2025327 AMAQI
22nd Jul 2025348 AMAQI
22nd Jul 2025299 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20253111 AMAQI
22nd Jul 20253112 PMAQI
22nd Jul 2025301 PMAQI
22nd Jul 2025292 PMAQI
22nd Jul 2025313 PMAQI
22nd Jul 2025314 PMAQI
22nd Jul 2025295 PMAQI
22nd Jul 2025296 PMAQI
22nd Jul 2025277 PMAQI
22nd Jul 2025268 PMAQI
22nd Jul 2025279 PMAQI
22nd Jul 20252710 PMAQI
22nd Jul 20253011 PMAQI
23rd Jul 20252912 AMAQI
23rd Jul 2025311 AMAQI
23rd Jul 2025332 AMAQI
23rd Jul 2025343 AMAQI
23rd Jul 2025324 AMAQI
23rd Jul 2025315 AMAQI
24°C20/29°C
23rd Jul 2025326 AMAQI
23rd Jul 2025337 AMAQI
23rd Jul 2025328 AMAQI
23rd Jul 2025299 AMAQI
23rd Jul 20253410 AMAQI
23rd Jul 20253811 AMAQI
23rd Jul 20253712 PMAQI
23rd Jul 2025351 PMAQI
23rd Jul 2025332 PMAQI
23rd Jul 2025333 PMAQI
23rd Jul 2025344 PMAQI
23rd Jul 2025335 PMAQI
23rd Jul 2025326 PMAQI
23rd Jul 2025327 PMAQI
23rd Jul 2025318 PMAQI
23rd Jul 2025309 PMAQI
23rd Jul 20253110 PMAQI
23rd Jul 20253311 PMAQI
24th Jul 20253412 AMAQI
24th Jul 2025341 AMAQI
24th Jul 2025332 AMAQI
24th Jul 2025333 AMAQI
24th Jul 2025304 AMAQI
24th Jul 2025335 AMAQI
22°C18/27°C
24th Jul 2025336 AMAQI
24th Jul 2025367 AMAQI
24th Jul 2025378 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20253610 AMAQI
24th Jul 20253711 AMAQI
24th Jul 20253812 PMAQI
24th Jul 2025361 PMAQI
24th Jul 2025352 PMAQI
24th Jul 2025393 PMAQI
24th Jul 2025404 PMAQI
24th Jul 2025385 PMAQI
24th Jul 2025346 PMAQI
24th Jul 2025347 PMAQI
24th Jul 2025338 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253410 PMAQI
24th Jul 20254011 PMAQI
25th Jul 20254512 AMAQI
25th Jul 2025461 AMAQI
25th Jul 2025462 AMAQI
25th Jul 2025393 AMAQI
25th Jul 2025394 AMAQI
25th Jul 2025305 AMAQI
23°C15/29°C
25th Jul 2025336 AMAQI
25th Jul 2025367 AMAQI
25th Jul 2025418 AMAQI
25th Jul 2025469 AMAQI
25th Jul 20254410 AMAQI
25th Jul 20254011 AMAQI
25th Jul 20253612 PMAQI
25th Jul 2025361 PMAQI
25th Jul 2025352 PMAQI
25th Jul 2025393 PMAQI
25th Jul 2025384 PMAQI
25th Jul 2025385 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025427 PMAQI
25th Jul 2025398 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253710 PMAQI
25th Jul 20253611 PMAQI
26th Jul 20253612 AMAQI
26th Jul 2025361 AMAQI
26th Jul 2025242 AMAQI
26th Jul 2025233 AMAQI
26th Jul 2025244 AMAQI
26th Jul 2025225 AMAQI
27°C19/35°C
26th Jul 2025256 AMAQI
26th Jul 2025287 AMAQI
26th Jul 2025288 AMAQI
26th Jul 2025299 AMAQI
26th Jul 20252910 AMAQI
26th Jul 20253011 AMAQI
26th Jul 20253012 PMAQI
26th Jul 2025291 PMAQI
26th Jul 2025302 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025284 PMAQI
26th Jul 2025285 PMAQI
26th Jul 2025286 PMAQI
26th Jul 2025277 PMAQI
26th Jul 2025278 PMAQI
26th Jul 2025279 PMAQI
26th Jul 20252510 PMAQI
26th Jul 20252611 PMAQI
27th Jul 20252612 AMAQI
27th Jul 2025271 AMAQI
27th Jul 2025302 AMAQI
27th Jul 2025323 AMAQI
27th Jul 2025324 AMAQI
27th Jul 2025385 AMAQI
28°C20/36°C
27th Jul 2025396 AMAQI
27th Jul 2025357 AMAQI
27th Jul 2025328 AMAQI
27th Jul 2025289 AMAQI
27th Jul 20252710 AMAQI
27th Jul 20252511 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025271 PMAQI
27th Jul 2025282 PMAQI
27th Jul 2025303 PMAQI
27th Jul 2025314 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025326 PMAQI
27th Jul 2025317 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025319 PMAQI
27th Jul 20253010 PMAQI
27th Jul 20253111 PMAQI
28th Jul 20252712 AMAQI
28th Jul 2025271 AMAQI
28th Jul 2025192 AMAQI
28th Jul 2025193 AMAQI
28th Jul 2025204 AMAQI
28th Jul 2025205 AMAQI
27°C19/33°C
28th Jul 2025216 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025248 AMAQI
28th Jul 2025249 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20252411 AMAQI
28th Jul 20252412 PMAQI
28th Jul 2025231 PMAQI
28th Jul 2025222 PMAQI
28th Jul 2025233 PMAQI
28th Jul 2025234 PMAQI
28th Jul 2025245 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025237 PMAQI
28th Jul 2025248 PMAQI
28th Jul 2025249 PMAQI
28th Jul 20252310 PMAQI
28th Jul 20252311 PMAQI
29th Jul 20252212 AMAQI
29th Jul 2025231 AMAQI
29th Jul 2025242 AMAQI
29th Jul 2025253 AMAQI
29th Jul 2025264 AMAQI
29th Jul 2025305 AMAQI
23°C18/30°C
29th Jul 2025306 AMAQI
29th Jul 2025317 AMAQI
29th Jul 2025358 AMAQI
29th Jul 2025359 AMAQI
29th Jul 20253510 AMAQI
29th Jul 20253011 AMAQI
29th Jul 20253412 PMAQI
29th Jul 2025421 PMAQI
29th Jul 2025422 PMAQI
29th Jul 2025403 PMAQI
29th Jul 2025404 PMAQI
29th Jul 2025405 PMAQI
29th Jul 2025406 PMAQI
29th Jul 2025377 PMAQI
29th Jul 2025358 PMAQI
29th Jul 2025439 PMAQI
29th Jul 20254310 PMAQI
29th Jul 20254711 PMAQI
30th Jul 20255012 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025722 AMAQI
30th Jul 2025733 AMAQI
30th Jul 2025764 AMAQI
30th Jul 2025805 AMAQI
20°C15/26°C
30th Jul 2025876 AMAQI
30th Jul 2025847 AMAQI
30th Jul 20251098 AMAQI
30th Jul 20251149 AMAQI
30th Jul 202510410 AMAQI
30th Jul 202512611 AMAQI
30th Jul 202511512 PMAQI
30th Jul 20251201 PMAQI
30th Jul 20251202 PMAQI
30th Jul 20251173 PMAQI
30th Jul 20251174 PMAQI
30th Jul 20251175 PMAQI
30th Jul 20251176 PMAQI
30th Jul 20251177 PMAQI
30th Jul 20251178 PMAQI
30th Jul 20251009 PMAQI
30th Jul 202510110 PMAQI
30th Jul 202510611 PMAQI
31st Jul 202510012 AMAQI
31st Jul 20251111 AMAQI
31st Jul 20251412 AMAQI
31st Jul 20251423 AMAQI
31st Jul 20251454 AMAQI
31st Jul 20251385 AMAQI
20°C16/24°C
31st Jul 20251426 AMAQI
31st Jul 20251407 AMAQI
31st Jul 20251428 AMAQI
31st Jul 20251439 AMAQI
31st Jul 202514310 AMAQI
31st Jul 202514311 AMAQI
31st Jul 202514712 PMAQI
31st Jul 20251461 PMAQI
31st Jul 20251442 PMAQI
31st Jul 20251483 PMAQI
31st Jul 20251424 PMAQI
31st Jul 20251395 PMAQI
31st Jul 20251426 PMAQI
31st Jul 20251477 PMAQI
31st Jul 20251348 PMAQI
31st Jul 20251179 PMAQI
31st Jul 202512010 PMAQI
31st Jul 202512411 PMAQI
1st Aug 202511912 AMAQI
1st Aug 20251161 AMAQI
1st Aug 20251182 AMAQI
1st Aug 20251183 AMAQI
1st Aug 20251204 AMAQI
1st Aug 20251225 AMAQI
21°C15/27°C
1st Aug 20251166 AMAQI
1st Aug 20251287 AMAQI
1st Aug 20251388 AMAQI
1st Aug 20251269 AMAQI
1st Aug 202513010 AMAQI
1st Aug 202513311 AMAQI
1st Aug 202513712 PMAQI
1st Aug 20251281 PMAQI
1st Aug 20251302 PMAQI
1st Aug 20251333 PMAQI
1st Aug 20251304 PMAQI
1st Aug 20251225 PMAQI
1st Aug 20251226 PMAQI
1st Aug 20251227 PMAQI
1st Aug 20251118 PMAQI
1st Aug 20251149 PMAQI
1st Aug 202511310 PMAQI
1st Aug 202512411 PMAQI
2nd Aug 202511412 AMAQI
2nd Aug 20251141 AMAQI
2nd Aug 20251232 AMAQI
2nd Aug 20251263 AMAQI
2nd Aug 20251334 AMAQI
2nd Aug 20251375 AMAQI
21°C14/26°C
2nd Aug 20251486 AMAQI
2nd Aug 20251547 AMAQI
2nd Aug 20251498 AMAQI
2nd Aug 20251489 AMAQI
2nd Aug 202514810 AMAQI
2nd Aug 202513711 AMAQI
2nd Aug 202514212 PMAQI
2nd Aug 20251281 PMAQI
2nd Aug 20251212 PMAQI
2nd Aug 20251313 PMAQI
2nd Aug 20251344 PMAQI
2nd Aug 20251185 PMAQI
2nd Aug 20251306 PMAQI
2nd Aug 20251287 PMAQI
2nd Aug 20251238 PMAQI
2nd Aug 20251129 PMAQI
2nd Aug 202512010 PMAQI
2nd Aug 202511711 PMAQI
3rd Aug 202511012 AMAQI
3rd Aug 20251151 AMAQI
3rd Aug 20251142 AMAQI
3rd Aug 20251083 AMAQI
3rd Aug 20251124 AMAQI
3rd Aug 20251085 AMAQI
18°C16/19°C
3rd Aug 20251146 AMAQI
3rd Aug 20251107 AMAQI
3rd Aug 2025998 AMAQI
3rd Aug 20251039 AMAQI
3rd Aug 20259610 AMAQI
3rd Aug 20259411 AMAQI
3rd Aug 20259612 PMAQI
3rd Aug 2025881 PMAQI
3rd Aug 2025872 PMAQI
3rd Aug 2025843 PMAQI
3rd Aug 2025784 PMAQI
3rd Aug 2025795 PMAQI
3rd Aug 2025776 PMAQI
3rd Aug 20251007 PMAQI
3rd Aug 2025878 PMAQI
3rd Aug 2025749 PMAQI
3rd Aug 20257010 PMAQI
3rd Aug 20256911 PMAQI
4th Aug 20257012 AMAQI
4th Aug 2025701 AMAQI
4th Aug 2025682 AMAQI
4th Aug 2025703 AMAQI
4th Aug 2025704 AMAQI
4th Aug 2025685 AMAQI
22°C17/27°C
4th Aug 2025646 AMAQI
4th Aug 2025667 AMAQI
4th Aug 2025638 AMAQI
4th Aug 2025689 AMAQI
4th Aug 20256810 AMAQI
4th Aug 20256911 AMAQI
4th Aug 20257012 PMAQI
4th Aug 2025741 PMAQI
4th Aug 2025742 PMAQI
4th Aug 2025703 PMAQI
4th Aug 2025704 PMAQI
4th Aug 2025715 PMAQI
4th Aug 2025646 PMAQI
4th Aug 2025687 PMAQI
4th Aug 2025658 PMAQI
4th Aug 2025579 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255411 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025541 AMAQI
5th Aug 2025522 AMAQI
5th Aug 2025503 AMAQI
5th Aug 2025524 AMAQI
5th Aug 2025505 AMAQI
23°C19/29°C
5th Aug 2025536 AMAQI
5th Aug 2025557 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025539 AMAQI
5th Aug 20255010 AMAQI
5th Aug 20254311 AMAQI
5th Aug 20253212 PMAQI
5th Aug 2025301 PMAQI
5th Aug 2025242 PMAQI
5th Aug 2025243 PMAQI
5th Aug 2025254 PMAQI
5th Aug 2025285 PMAQI
5th Aug 2025296 PMAQI
5th Aug 2025517 PMAQI
5th Aug 2025458 PMAQI
5th Aug 2025349 PMAQI
5th Aug 20253410 PMAQI
5th Aug 20253311 PMAQI
6th Aug 20253212 AMAQI
6th Aug 2025311 AMAQI
6th Aug 2025282 AMAQI
6th Aug 2025283 AMAQI
6th Aug 2025274 AMAQI
6th Aug 2025265 AMAQI
22°C20/28°C
6th Aug 2025286 AMAQI
6th Aug 2025277 AMAQI
6th Aug 2025288 AMAQI
6th Aug 2025269 AMAQI
6th Aug 20253010 AMAQI
6th Aug 20253411 AMAQI
6th Aug 20253312 PMAQI
6th Aug 2025321 PMAQI
6th Aug 2025302 PMAQI
6th Aug 2025253 PMAQI
6th Aug 2025244 PMAQI
6th Aug 2025265 PMAQI
6th Aug 2025246 PMAQI
6th Aug 2025297 PMAQI
6th Aug 2025288 PMAQI
6th Aug 2025269 PMAQI
6th Aug 20252510 PMAQI
6th Aug 20252811 PMAQI
7th Aug 20252912 AMAQI
7th Aug 2025291 AMAQI
7th Aug 2025282 AMAQI
7th Aug 2025273 AMAQI
7th Aug 2025294 AMAQI
7th Aug 2025295 AMAQI
25°C18/32°C
7th Aug 2025306 AMAQI
7th Aug 2025317 AMAQI
7th Aug 2025308 AMAQI
7th Aug 2025309 AMAQI
7th Aug 20253210 AMAQI
7th Aug 20253111 AMAQI
7th Aug 20253312 PMAQI
7th Aug 2025351 PMAQI
7th Aug 2025352 PMAQI
7th Aug 2025343 PMAQI
7th Aug 2025354 PMAQI
7th Aug 2025365 PMAQI
7th Aug 2025366 PMAQI
7th Aug 2025347 PMAQI
7th Aug 2025328 PMAQI
7th Aug 2025369 PMAQI
7th Aug 20253610 PMAQI
7th Aug 20253711 PMAQI
8th Aug 20253812 AMAQI
8th Aug 2025411 AMAQI
8th Aug 2025492 AMAQI
8th Aug 2025373 AMAQI
8th Aug 2025234 AMAQI
8th Aug 2025195 AMAQI
27°C19/34°C
8th Aug 2025206 AMAQI
8th Aug 2025207 AMAQI
8th Aug 2025218 AMAQI
8th Aug 2025219 AMAQI
8th Aug 20252010 AMAQI
8th Aug 20252111 AMAQI
8th Aug 20252312 PMAQI
8th Aug 2025221 PMAQI
8th Aug 2025212 PMAQI
8th Aug 2025233 PMAQI
8th Aug 2025244 PMAQI
8th Aug 2025245 PMAQI
8th Aug 2025246 PMAQI
8th Aug 2025227 PMAQI
8th Aug 2025238 PMAQI
8th Aug 2025229 PMAQI
8th Aug 20252110 PMAQI
8th Aug 20252111 PMAQI
9th Aug 20252012 AMAQI
9th Aug 2025201 AMAQI
9th Aug 2025172 AMAQI
9th Aug 2025163 AMAQI
9th Aug 2025164 AMAQI
9th Aug 2025155 AMAQI
22°C18/25°C
9th Aug 2025156 AMAQI
6 AM9th Aug 2025147 AMAQI
9th Aug 2025158 AMAQI
9th Aug 2025169 AMAQI
9th Aug 20251610 AMAQI
9th Aug 20251611 AMAQI
9th Aug 20251612 PMAQI
9th Aug 2025201 PMAQI
1 PM9th Aug 2025232 PMAQI
9th Aug 2025263 PMAQI
9th Aug 2025324 PMAQI
9th Aug 2025375 PMAQI
9th Aug 2025366 PMAQI
9th Aug 2025267 PMAQI
9th Aug 2025188 PMAQI
9 PM
1 AM
5 AM
20°C13/25°C
Day time
Avg. Highest Time
6 AM - 9 PM
52AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
6 AM - 9 PM
52AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 9 PM (Avg. 52), while the lowest AQI was between 6 AM to 9 PM (Avg. 52).
Night time
Avg. Highest Time
12 AM - 11 PM
50AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 10 PM
50AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 50), while the lowest AQI was between 12 AM to 10 PM (Avg. 50).
2025 Days Vs Air Quality
Bismarck, North Dakota, United States
2025
91%
200
5%
12
2%
5
1%
3
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
200 DaysModerate
12 DaysPoor
5 DaysUnhealthy
3 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 222 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
Bismarck, North Dakota, 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
35AQI
35AQI
2nd January 2025
25AQI
25AQI
3rd January 2025
23AQI
23AQI
4th January 2025
23AQI
23AQI
5th January 2025
26AQI
26AQI
6th January 2025
21AQI
21AQI
7th January 2025
27AQI
27AQI
8th January 2025
25AQI
25AQI
9th January 2025
26AQI
26AQI
10th January 2025
27AQI
27AQI
11th January 2025
24AQI
24AQI
12th January 2025
27AQI
27AQI
13th January 2025
30AQI
30AQI
14th January 2025
32AQI
32AQI
15th January 2025
25AQI
25AQI
16th January 2025
24AQI
24AQI
17th January 2025
27AQI
27AQI
18th January 2025
28AQI
28AQI
19th January 2025
27AQI
27AQI
20th January 2025
27AQI
27AQI
21st January 2025
26AQI
26AQI
22nd January 2025
29AQI
29AQI
23rd January 2025
27AQI
27AQI
24th January 2025
28AQI
28AQI
25th January 2025
30AQI
30AQI
26th January 2025
30AQI
30AQI
27th January 2025
30AQI
30AQI
28th January 2025
30AQI
30AQI
29th January 2025
25AQI
25AQI
30th January 2025
24AQI
24AQI
31st January 2025
30AQI
30AQI
1st February 2025
24AQI
24AQI
2nd February 2025
26AQI
26AQI
3rd February 2025
23AQI
23AQI
4th February 2025
25AQI
25AQI
5th February 2025
23AQI
23AQI
6th February 2025
28AQI
28AQI
7th February 2025
27AQI
27AQI
8th February 2025
27AQI
27AQI
9th February 2025
34AQI
34AQI
10th February 2025
27AQI
27AQI
11th February 2025
25AQI
25AQI
12th February 2025
25AQI
25AQI
13th February 2025
29AQI
29AQI
14th February 2025
29AQI
29AQI
15th February 2025
27AQI
27AQI
16th February 2025
25AQI
25AQI
17th February 2025
19AQI
19AQI
18th February 2025
22AQI
22AQI
19th February 2025
28AQI
28AQI
20th February 2025
33AQI
33AQI
21st February 2025
28AQI
28AQI
22nd February 2025
29AQI
29AQI
23rd February 2025
28AQI
28AQI
24th February 2025
24AQI
24AQI
25th February 2025
20AQI
20AQI
26th February 2025
27AQI
27AQI
27th February 2025
25AQI
25AQI
28th February 2025
29AQI
29AQI
1st March 2025
27AQI
27AQI
2nd March 2025
23AQI
23AQI
3rd March 2025
26AQI
26AQI
4th March 2025
27AQI
27AQI
5th March 2025
30AQI
30AQI
6th March 2025
28AQI
28AQI
7th March 2025
30AQI
30AQI
8th March 2025
27AQI
27AQI
9th March 2025
28AQI
28AQI
10th March 2025
29AQI
29AQI
11th March 2025
27AQI
27AQI
12th March 2025
26AQI
26AQI
13th March 2025
26AQI
26AQI
14th March 2025
37AQI
37AQI
15th March 2025
21AQI
21AQI
16th March 2025
14AQI
14AQI
17th March 2025
20AQI
20AQI
18th March 2025
23AQI
23AQI
19th March 2025
25AQI
25AQI
20th March 2025
17AQI
17AQI
21st March 2025
18AQI
18AQI
22nd March 2025
15AQI
15AQI
23rd March 2025
20AQI
20AQI
24th March 2025
16AQI
16AQI
25th March 2025
21AQI
21AQI
26th March 2025
19AQI
19AQI
27th March 2025
17AQI
17AQI
28th March 2025
24AQI
24AQI
29th March 2025
15AQI
15AQI
30th March 2025
15AQI
15AQI
31st March 2025
16AQI
16AQI
1st April 2025
17AQI
17AQI
2nd April 2025
18AQI
18AQI
3rd April 2025
34AQI
34AQI
4th April 2025
23AQI
23AQI
5th April 2025
22AQI
22AQI
6th April 2025
19AQI
19AQI
7th April 2025
15AQI
15AQI
8th April 2025
18AQI
18AQI
9th April 2025
17AQI
17AQI
10th April 2025
14AQI
14AQI
11th April 2025
19AQI
19AQI
12th April 2025
21AQI
21AQI
13th April 2025
16AQI
16AQI
14th April 2025
13AQI
13AQI
15th April 2025
15AQI
15AQI
16th April 2025
23AQI
23AQI
17th April 2025
16AQI
16AQI
18th April 2025
14AQI
14AQI
19th April 2025
16AQI
16AQI
20th April 2025
14AQI
14AQI
21st April 2025
19AQI
19AQI
22nd April 2025
15AQI
15AQI
23rd April 2025
16AQI
16AQI
24th April 2025
22AQI
22AQI
25th April 2025
21AQI
21AQI
26th April 2025
25AQI
25AQI
27th April 2025
31AQI
31AQI
28th April 2025
23AQI
23AQI
29th April 2025
15AQI
15AQI
30th April 2025
18AQI
18AQI
1st May 2025
18AQI
18AQI
2nd May 2025
23AQI
23AQI
3rd May 2025
17AQI
17AQI
4th May 2025
17AQI
17AQI
5th May 2025
27AQI
27AQI
6th May 2025
26AQI
26AQI
7th May 2025
20AQI
20AQI
8th May 2025
26AQI
26AQI
9th May 2025
35AQI
35AQI
10th May 2025
46AQI
46AQI
11th May 2025
25AQI
25AQI
12th May 2025
26AQI
26AQI
13th May 2025
34AQI
34AQI
14th May 2025
42AQI
42AQI
15th May 2025
28AQI
28AQI
16th May 2025
22AQI
22AQI
17th May 2025
14AQI
14AQI
18th May 2025
21AQI
21AQI
19th May 2025
20AQI
20AQI
20th May 2025
13AQI
13AQI
21st May 2025
14AQI
14AQI
22nd May 2025
14AQI
14AQI
23rd May 2025
16AQI
16AQI
24th May 2025
20AQI
20AQI
25th May 2025
28AQI
28AQI
26th May 2025
23AQI
23AQI
27th May 2025
22AQI
22AQI
28th May 2025
24AQI
24AQI
29th May 2025
21AQI
21AQI
30th May 2025
22AQI
22AQI
31st May 2025
154AQI
154AQI
1st June 2025
167AQI
167AQI
2nd June 2025
53AQI
53AQI
3rd June 2025
65AQI
65AQI
4th June 2025
50AQI
50AQI
5th June 2025
36AQI
36AQI
6th June 2025
30AQI
30AQI
7th June 2025
37AQI
37AQI
8th June 2025
68AQI
68AQI
9th June 2025
64AQI
64AQI
10th June 2025
71AQI
71AQI
11th June 2025
165AQI
165AQI
12th June 2025
146AQI
146AQI
13th June 2025
72AQI
72AQI
14th June 2025
28AQI
28AQI
15th June 2025
25AQI
25AQI
16th June 2025
25AQI
25AQI
17th June 2025
29AQI
29AQI
18th June 2025
34AQI
34AQI
19th June 2025
28AQI
28AQI
20th June 2025
29AQI
29AQI
21st June 2025
27AQI
27AQI
22nd June 2025
33AQI
33AQI
23rd June 2025
31AQI
31AQI
24th June 2025
54AQI
54AQI
25th June 2025
42AQI
42AQI
26th June 2025
20AQI
20AQI
27th June 2025
18AQI
18AQI
28th June 2025
19AQI
19AQI
29th June 2025
17AQI
17AQI
30th June 2025
17AQI
17AQI
1st July 2025
20AQI
20AQI
2nd July 2025
21AQI
21AQI
3rd July 2025
23AQI
23AQI
4th July 2025
26AQI
26AQI
5th July 2025
26AQI
26AQI
6th July 2025
38AQI
38AQI
7th July 2025
30AQI
30AQI
8th July 2025
48AQI
48AQI
9th July 2025
39AQI
39AQI
10th July 2025
25AQI
25AQI
11th July 2025
101AQI
101AQI
12th July 2025
85AQI
85AQI
13th July 2025
41AQI
41AQI
14th July 2025
26AQI
26AQI
15th July 2025
49AQI
49AQI
16th July 2025
39AQI
39AQI
17th July 2025
71AQI
71AQI
18th July 2025
33AQI
33AQI
19th July 2025
21AQI
21AQI
20th July 2025
22AQI
22AQI
21st July 2025
22AQI
22AQI
22nd July 2025
28AQI
28AQI
23rd July 2025
32AQI
32AQI
24th July 2025
35AQI
35AQI
25th July 2025
39AQI
39AQI
26th July 2025
28AQI
28AQI
27th July 2025
30AQI
30AQI
28th July 2025
23AQI
23AQI
29th July 2025
34AQI
34AQI
30th July 2025
97AQI
97AQI
31st July 2025
135AQI
135AQI
1st August 2025
122AQI
122AQI
2nd August 2025
129AQI
129AQI
3rd August 2025
95AQI
95AQI
4th August 2025
67AQI
67AQI
5th August 2025
43AQI
43AQI
6th August 2025
28AQI
28AQI
7th August 2025
32AQI
32AQI
8th August 2025
27AQI
27AQI
27AQI
26AQI
23AQI
19AQI
28AQI
50AQI
42AQI
68AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202532AQI
31
28
31
30
30
1
20
7
1
2
26
3
2
4
2
2
200
12
5
3
Highest AQI recorded in
August68AQI
Lowest AQI recorded in
April19AQI
202432AQI
29
2
29
31
29
1
23
4
30
24
7
22
8
1
25
2
2
1
26
5
30
31
329
29
3
1
Highest AQI recorded in
September45AQI
Lowest AQI recorded in
November22AQI
202342AQI
18
12
1
27
1
29
2
30
23
7
1
12
17
1
18
11
2
14
14
3
10
13
7
31
28
1
31
271
78
15
Highest AQI recorded in
September66AQI
Lowest AQI recorded in
December24AQI
202236AQI
29
2
22
29
2
28
2
27
26
4
22
2
2
20
8
1
18
13
22
5
1
25
6
270
44
2
Highest AQI recorded in
October47AQI
Lowest AQI recorded in
February29AQI
202137AQI
23
7
27
1
28
3
30
30
1
30
10
17
3
1
14
9
7
1
26
4
27
2
1
1
29
1
28
3
302
48
11
3
Highest AQI recorded in
July67AQI
Lowest AQI recorded in
November26AQI
202030AQI
13
20
17
1
29
1
31
30
1
24
6
27
3
27
3
31
249
15
Highest AQI recorded in
September37AQI
Lowest AQI recorded in
March26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
42AQILeast Polluted Year Recorded
2020(Avg.)
30AQIBismarck's annual 2025 AQI (32) shows an average percentage change of -8.5% (improved AQI) compared to previous years: 2020 (30), 2021 (37), 2022 (36), 2023 (42), 2024 (32).
