Watford City, 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
Watford City, North Dakota, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
16th Aug 2021
175AQILowest AQI recorded on
26th Aug 2024
21AQISame Day Analysis (9th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 21 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Watford City, North Dakota, United States
AQI
Day
Night
.
6 AM10th Aug 2025
9 PM
5 AM11th Aug 2025
Day time
Avg. Highest Time
11AM10th Aug
172AQI
Avg. Lowest Time
3PM10th Aug
143AQI
Night time
Avg. Highest Time
1AM11th Aug
167AQI
Avg. Lowest Time
3AM11th Aug
141AQI
In the last 24 hours,
Watford City's AQI reached its highest point of 172 at 11 AM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Watford City, North Dakota, United States
JulAug
12th - 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 - 10th10th - 11th11th
Day
Night
12th Jul 20251396 AMAQI
12th Jul 20251047 AMAQI
12th Jul 20251468 AMAQI
12th Jul 20251249 AMAQI
12th Jul 202516810 AMAQI
12th Jul 202516811 AMAQI
12th Jul 202516012 PMAQI
12th Jul 20251391 PMAQI
12th Jul 20251102 PMAQI
12th Jul 20251113 PMAQI
12th Jul 2025904 PMAQI
12th Jul 2025885 PMAQI
12th Jul 2025916 PMAQI
12th Jul 2025947 PMAQI
12th Jul 20251068 PMAQI
12th Jul 2025719 PMAQI
12th Jul 20257210 PMAQI
12th Jul 20257811 PMAQI
13th Jul 20257812 AMAQI
13th Jul 2025751 AMAQI
13th Jul 2025362 AMAQI
13th Jul 2025303 AMAQI
13th Jul 2025314 AMAQI
13th Jul 2025315 AMAQI
22°C10/31°C
13th Jul 2025286 AMAQI
13th Jul 2025427 AMAQI
13th Jul 2025368 AMAQI
13th Jul 2025369 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20253212 PMAQI
13th Jul 2025321 PMAQI
13th Jul 2025322 PMAQI
13th Jul 2025353 PMAQI
13th Jul 2025374 PMAQI
13th Jul 2025375 PMAQI
13th Jul 2025376 PMAQI
13th Jul 2025407 PMAQI
13th Jul 2025368 PMAQI
13th Jul 2025359 PMAQI
13th Jul 20253310 PMAQI
13th Jul 20253111 PMAQI
14th Jul 20253212 AMAQI
14th Jul 2025281 AMAQI
14th Jul 2025202 AMAQI
14th Jul 2025213 AMAQI
14th Jul 2025204 AMAQI
14th Jul 2025195 AMAQI
25°C15/32°C
14th Jul 2025216 AMAQI
14th Jul 2025207 AMAQI
14th Jul 2025208 AMAQI
14th Jul 2025229 AMAQI
14th Jul 20252210 AMAQI
14th Jul 20252211 AMAQI
14th Jul 20252212 PMAQI
14th Jul 2025211 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025233 PMAQI
14th Jul 2025234 PMAQI
14th Jul 2025225 PMAQI
14th Jul 2025226 PMAQI
14th Jul 2025227 PMAQI
14th Jul 2025228 PMAQI
14th Jul 2025229 PMAQI
14th Jul 20252410 PMAQI
14th Jul 20252411 PMAQI
15th Jul 20252412 AMAQI
15th Jul 2025241 AMAQI
15th Jul 2025232 AMAQI
15th Jul 2025223 AMAQI
15th Jul 2025274 AMAQI
15th Jul 2025265 AMAQI
25°C16/32°C
15th Jul 2025246 AMAQI
15th Jul 2025257 AMAQI
15th Jul 2025248 AMAQI
15th Jul 2025229 AMAQI
15th Jul 20252110 AMAQI
15th Jul 20252611 AMAQI
15th Jul 20253512 PMAQI
15th Jul 2025441 PMAQI
15th Jul 2025502 PMAQI
15th Jul 2025463 PMAQI
15th Jul 2025424 PMAQI
15th Jul 2025415 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025317 PMAQI
15th Jul 2025318 PMAQI
15th Jul 2025369 PMAQI
15th Jul 20253610 PMAQI
15th Jul 20253611 PMAQI
16th Jul 20253412 AMAQI
16th Jul 2025341 AMAQI
16th Jul 2025322 AMAQI
16th Jul 2025273 AMAQI
16th Jul 2025264 AMAQI
16th Jul 2025225 AMAQI
16°C14/17°C
16th Jul 2025226 AMAQI
16th Jul 2025227 AMAQI
16th Jul 2025228 AMAQI
16th Jul 2025229 AMAQI
16th Jul 20252210 AMAQI
16th Jul 20252411 AMAQI
16th Jul 20252512 PMAQI
16th Jul 2025291 PMAQI
16th Jul 2025302 PMAQI
16th Jul 2025303 PMAQI
16th Jul 2025324 PMAQI
16th Jul 2025345 PMAQI
16th Jul 2025376 PMAQI
16th Jul 2025337 PMAQI
16th Jul 2025348 PMAQI
16th Jul 2025459 PMAQI
16th Jul 20254610 PMAQI
16th Jul 20254811 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025501 AMAQI
17th Jul 2025532 AMAQI
17th Jul 2025643 AMAQI
17th Jul 2025684 AMAQI
17th Jul 2025635 AMAQI
17°C12/22°C
17th Jul 2025606 AMAQI
17th Jul 2025627 AMAQI
17th Jul 2025608 AMAQI
17th Jul 2025629 AMAQI
17th Jul 20255910 AMAQI
17th Jul 20255911 AMAQI
17th Jul 20255612 PMAQI
17th Jul 2025561 PMAQI
17th Jul 2025612 PMAQI
17th Jul 2025653 PMAQI
17th Jul 2025664 PMAQI
17th Jul 2025655 PMAQI
17th Jul 2025676 PMAQI
17th Jul 2025607 PMAQI
17th Jul 2025588 PMAQI
17th Jul 2025589 PMAQI
17th Jul 20255810 PMAQI
17th Jul 20255811 PMAQI
18th Jul 20255812 AMAQI
18th Jul 2025561 AMAQI
18th Jul 2025462 AMAQI
18th Jul 2025393 AMAQI
18th Jul 2025384 AMAQI
18th Jul 2025355 AMAQI
14°C8/16°C
18th Jul 2025336 AMAQI
18th Jul 2025377 AMAQI
18th Jul 2025368 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20253610 AMAQI
18th Jul 20253611 AMAQI
18th Jul 20253612 PMAQI
18th Jul 2025371 PMAQI
18th Jul 2025382 PMAQI
18th Jul 2025383 PMAQI
18th Jul 2025394 PMAQI
18th Jul 2025395 PMAQI
18th Jul 2025386 PMAQI
18th Jul 2025387 PMAQI
18th Jul 2025388 PMAQI
18th Jul 2025369 PMAQI
18th Jul 20253610 PMAQI
18th Jul 20253411 PMAQI
19th Jul 20253412 AMAQI
19th Jul 2025311 AMAQI
19th Jul 2025232 AMAQI
19th Jul 2025223 AMAQI
19th Jul 2025234 AMAQI
19th Jul 2025225 AMAQI
19°C13/25°C
19th Jul 2025226 AMAQI
19th Jul 2025237 AMAQI
19th Jul 2025238 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20252110 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20252212 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025266 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025248 PMAQI
19th Jul 2025289 PMAQI
19th Jul 20252910 PMAQI
19th Jul 20253011 PMAQI
20th Jul 20252712 AMAQI
20th Jul 2025261 AMAQI
20th Jul 2025242 AMAQI
20th Jul 2025223 AMAQI
20th Jul 2025284 AMAQI
20th Jul 2025335 AMAQI
18°C13/25°C
20th Jul 2025296 AMAQI
20th Jul 2025297 AMAQI
20th Jul 2025258 AMAQI
20th Jul 2025269 AMAQI
20th Jul 20252410 AMAQI
20th Jul 20253011 AMAQI
20th Jul 20253012 PMAQI
20th Jul 2025261 PMAQI
20th Jul 2025292 PMAQI
20th Jul 2025293 PMAQI
20th Jul 2025274 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025276 PMAQI
20th Jul 2025267 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025289 PMAQI
20th Jul 20253010 PMAQI
20th Jul 20253211 PMAQI
21st Jul 20252612 AMAQI
21st Jul 2025251 AMAQI
21st Jul 2025212 AMAQI
21st Jul 2025203 AMAQI
21st Jul 2025204 AMAQI
21st Jul 2025225 AMAQI
22°C17/28°C
21st Jul 2025226 AMAQI
21st Jul 2025227 AMAQI
21st Jul 2025208 AMAQI
21st Jul 2025189 AMAQI
21st Jul 20251910 AMAQI
21st Jul 20251911 AMAQI
21st Jul 20252012 PMAQI
21st Jul 2025221 PMAQI
21st Jul 2025232 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025224 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025236 PMAQI
21st Jul 2025227 PMAQI
21st Jul 2025228 PMAQI
21st Jul 2025249 PMAQI
21st Jul 20252610 PMAQI
21st Jul 20252811 PMAQI
22nd Jul 20252612 AMAQI
22nd Jul 2025231 AMAQI
22nd Jul 2025232 AMAQI
22nd Jul 2025223 AMAQI
22nd Jul 2025294 AMAQI
22nd Jul 2025535 AMAQI
23°C17/30°C
22nd Jul 2025726 AMAQI
22nd Jul 2025667 AMAQI
22nd Jul 2025658 AMAQI
22nd Jul 2025609 AMAQI
22nd Jul 20255610 AMAQI
22nd Jul 20255311 AMAQI
22nd Jul 20255012 PMAQI
22nd Jul 2025481 PMAQI
22nd Jul 2025422 PMAQI
22nd Jul 2025453 PMAQI
22nd Jul 2025444 PMAQI
22nd Jul 2025445 PMAQI
22nd Jul 2025396 PMAQI
22nd Jul 2025387 PMAQI
22nd Jul 2025378 PMAQI
22nd Jul 2025359 PMAQI
22nd Jul 20253610 PMAQI
22nd Jul 20253711 PMAQI
23rd Jul 20253612 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025202 AMAQI
23rd Jul 2025243 AMAQI
23rd Jul 2025294 AMAQI
23rd Jul 2025235 AMAQI
21°C17/24°C
23rd Jul 2025256 AMAQI
23rd Jul 2025267 AMAQI
23rd Jul 2025248 AMAQI
23rd Jul 2025259 AMAQI
23rd Jul 20252410 AMAQI
23rd Jul 20252611 AMAQI
23rd Jul 20252812 PMAQI
23rd Jul 2025291 PMAQI
23rd Jul 2025302 PMAQI
23rd Jul 2025303 PMAQI
23rd Jul 2025304 PMAQI
23rd Jul 2025295 PMAQI
23rd Jul 2025286 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025309 PMAQI
23rd Jul 20253010 PMAQI
23rd Jul 20253111 PMAQI
24th Jul 20253012 AMAQI
24th Jul 2025301 AMAQI
24th Jul 2025312 AMAQI
24th Jul 2025343 AMAQI
24th Jul 2025394 AMAQI
24th Jul 2025545 AMAQI
21°C17/26°C
24th Jul 2025576 AMAQI
24th Jul 2025577 AMAQI
24th Jul 2025568 AMAQI
24th Jul 2025629 AMAQI
24th Jul 20256110 AMAQI
24th Jul 20255611 AMAQI
24th Jul 20255512 PMAQI
24th Jul 2025521 PMAQI
24th Jul 2025482 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025484 PMAQI
24th Jul 2025445 PMAQI
24th Jul 2025476 PMAQI
24th Jul 2025417 PMAQI
24th Jul 2025408 PMAQI
24th Jul 2025429 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20254611 PMAQI
25th Jul 20254512 AMAQI
25th Jul 2025401 AMAQI
25th Jul 2025342 AMAQI
25th Jul 2025323 AMAQI
25th Jul 2025304 AMAQI
25th Jul 2025285 AMAQI
22°C15/29°C
25th Jul 2025286 AMAQI
25th Jul 2025327 AMAQI
25th Jul 2025328 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253210 AMAQI
25th Jul 20253111 AMAQI
25th Jul 20253112 PMAQI
25th Jul 2025321 PMAQI
25th Jul 2025322 PMAQI
25th Jul 2025343 PMAQI
25th Jul 2025344 PMAQI
25th Jul 2025335 PMAQI
25th Jul 2025336 PMAQI
25th Jul 2025347 PMAQI
25th Jul 2025328 PMAQI
25th Jul 2025319 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253111 PMAQI
26th Jul 20253112 AMAQI
26th Jul 2025301 AMAQI
26th Jul 2025222 AMAQI
26th Jul 2025223 AMAQI
26th Jul 2025214 AMAQI
26th Jul 2025225 AMAQI
26°C18/36°C
26th Jul 2025226 AMAQI
26th Jul 2025257 AMAQI
26th Jul 2025248 AMAQI
26th Jul 2025269 AMAQI
26th Jul 20252610 AMAQI
26th Jul 20252511 AMAQI
26th Jul 20252512 PMAQI
26th Jul 2025251 PMAQI
26th Jul 2025252 PMAQI
26th Jul 2025263 PMAQI
26th Jul 2025264 PMAQI
26th Jul 2025275 PMAQI
26th Jul 2025276 PMAQI
26th Jul 2025267 PMAQI
26th Jul 2025268 PMAQI
26th Jul 2025289 PMAQI
26th Jul 20252710 PMAQI
26th Jul 20252911 PMAQI
27th Jul 20253012 AMAQI
27th Jul 2025311 AMAQI
27th Jul 2025332 AMAQI
27th Jul 2025323 AMAQI
27th Jul 2025284 AMAQI
27th Jul 2025225 AMAQI
26°C16/35°C
27th Jul 2025226 AMAQI
27th Jul 2025227 AMAQI
27th Jul 2025228 AMAQI
27th Jul 2025219 AMAQI
27th Jul 20252010 AMAQI
27th Jul 20252111 AMAQI
27th Jul 20252112 PMAQI
27th Jul 2025181 PMAQI
27th Jul 2025212 PMAQI
27th Jul 2025233 PMAQI
27th Jul 2025234 PMAQI
27th Jul 2025225 PMAQI
27th Jul 2025226 PMAQI
27th Jul 2025237 PMAQI
27th Jul 2025238 PMAQI
27th Jul 2025239 PMAQI
27th Jul 20252310 PMAQI
27th Jul 20252411 PMAQI
28th Jul 20252212 AMAQI
28th Jul 2025201 AMAQI
28th Jul 2025182 AMAQI
28th Jul 2025183 AMAQI
28th Jul 2025184 AMAQI
28th Jul 2025175 AMAQI
24°C18/29°C
28th Jul 2025186 AMAQI
28th Jul 2025207 AMAQI
28th Jul 2025208 AMAQI
28th Jul 2025219 AMAQI
28th Jul 20252010 AMAQI
28th Jul 20252311 AMAQI
28th Jul 20252112 PMAQI
28th Jul 2025211 PMAQI
28th Jul 2025202 PMAQI
28th Jul 2025203 PMAQI
28th Jul 2025214 PMAQI
28th Jul 2025205 PMAQI
28th Jul 2025206 PMAQI
28th Jul 2025207 PMAQI
28th Jul 2025218 PMAQI
28th Jul 2025219 PMAQI
28th Jul 20252410 PMAQI
28th Jul 20252611 PMAQI
29th Jul 20252712 AMAQI
29th Jul 2025341 AMAQI
29th Jul 2025482 AMAQI
29th Jul 2025453 AMAQI
29th Jul 2025444 AMAQI
29th Jul 2025425 AMAQI
20°C17/24°C
29th Jul 2025446 AMAQI
29th Jul 2025437 AMAQI
29th Jul 2025438 AMAQI
29th Jul 2025439 AMAQI
29th Jul 20254310 AMAQI
29th Jul 20254211 AMAQI
29th Jul 20253612 PMAQI
29th Jul 2025451 PMAQI
29th Jul 2025442 PMAQI
29th Jul 2025403 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025455 PMAQI
29th Jul 2025446 PMAQI
29th Jul 2025447 PMAQI
29th Jul 2025438 PMAQI
29th Jul 2025429 PMAQI
29th Jul 20254610 PMAQI
29th Jul 20255111 PMAQI
30th Jul 20255812 AMAQI
30th Jul 2025651 AMAQI
30th Jul 2025952 AMAQI
30th Jul 2025923 AMAQI
30th Jul 2025924 AMAQI
30th Jul 2025875 AMAQI
19°C15/25°C
30th Jul 2025926 AMAQI
30th Jul 2025867 AMAQI
30th Jul 2025948 AMAQI
30th Jul 20251029 AMAQI
30th Jul 20259210 AMAQI
30th Jul 20259411 AMAQI
30th Jul 202510812 PMAQI
30th Jul 20251001 PMAQI
30th Jul 20251002 PMAQI
30th Jul 20251013 PMAQI
30th Jul 20251014 PMAQI
30th Jul 20251015 PMAQI
30th Jul 20251016 PMAQI
30th Jul 20251017 PMAQI
30th Jul 20251018 PMAQI
30th Jul 2025969 PMAQI
30th Jul 202510310 PMAQI
30th Jul 202511611 PMAQI
31st Jul 202510612 AMAQI
31st Jul 20251051 AMAQI
31st Jul 20251362 AMAQI
31st Jul 20251353 AMAQI
31st Jul 20251394 AMAQI
31st Jul 20251385 AMAQI
20°C14/25°C
31st Jul 20251376 AMAQI
31st Jul 20251297 AMAQI
31st Jul 20251248 AMAQI
31st Jul 20251349 AMAQI
31st Jul 202513710 AMAQI
31st Jul 202514211 AMAQI
31st Jul 202515012 PMAQI
31st Jul 20251301 PMAQI
31st Jul 20251322 PMAQI
31st Jul 20251243 PMAQI
31st Jul 20251084 PMAQI
31st Jul 2025915 PMAQI
31st Jul 2025946 PMAQI
31st Jul 20251197 PMAQI
31st Jul 20251028 PMAQI
31st Jul 2025859 PMAQI
31st Jul 20258410 PMAQI
31st Jul 20259311 PMAQI
1st Aug 20259512 AMAQI
1st Aug 2025911 AMAQI
1st Aug 2025952 AMAQI
1st Aug 20251043 AMAQI
1st Aug 20251134 AMAQI
1st Aug 20251125 AMAQI
21°C16/27°C
1st Aug 20251106 AMAQI
1st Aug 20251227 AMAQI
1st Aug 20251268 AMAQI
1st Aug 20251079 AMAQI
1st Aug 202512010 AMAQI
1st Aug 202511411 AMAQI
1st Aug 202510412 PMAQI
1st Aug 2025891 PMAQI
1st Aug 2025892 PMAQI
1st Aug 2025763 PMAQI
1st Aug 2025714 PMAQI
1st Aug 2025665 PMAQI
1st Aug 2025636 PMAQI
1st Aug 2025947 PMAQI
1st Aug 2025788 PMAQI
1st Aug 2025699 PMAQI
1st Aug 20256910 PMAQI
1st Aug 20257911 PMAQI
2nd Aug 20258812 AMAQI
2nd Aug 2025921 AMAQI
2nd Aug 20251092 AMAQI
2nd Aug 20251043 AMAQI
2nd Aug 2025964 AMAQI
2nd Aug 20251025 AMAQI
22°C16/28°C
2nd Aug 20251026 AMAQI
2nd Aug 20251087 AMAQI
2nd Aug 20251068 AMAQI
2nd Aug 20251149 AMAQI
2nd Aug 20258010 AMAQI
2nd Aug 20256811 AMAQI
2nd Aug 20255612 PMAQI
2nd Aug 2025531 PMAQI
2nd Aug 2025522 PMAQI
2nd Aug 2025543 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025636 PMAQI
2nd Aug 2025747 PMAQI
2nd Aug 2025778 PMAQI
2nd Aug 2025879 PMAQI
2nd Aug 20259110 PMAQI
2nd Aug 202510111 PMAQI
3rd Aug 202510012 AMAQI
3rd Aug 20251021 AMAQI
3rd Aug 2025982 AMAQI
3rd Aug 2025973 AMAQI
3rd Aug 2025964 AMAQI
3rd Aug 2025955 AMAQI
22°C16/28°C
3rd Aug 2025946 AMAQI
3rd Aug 2025887 AMAQI
3rd Aug 2025898 AMAQI
3rd Aug 2025889 AMAQI
3rd Aug 20259610 AMAQI
3rd Aug 20259011 AMAQI
3rd Aug 20258812 PMAQI
3rd Aug 2025881 PMAQI
3rd Aug 2025782 PMAQI
3rd Aug 2025783 PMAQI
3rd Aug 2025744 PMAQI
3rd Aug 2025705 PMAQI
3rd Aug 2025696 PMAQI
3rd Aug 2025867 PMAQI
3rd Aug 2025758 PMAQI
3rd Aug 2025629 PMAQI
3rd Aug 20256010 PMAQI
3rd Aug 20256811 PMAQI
4th Aug 20257012 AMAQI
4th Aug 2025701 AMAQI
4th Aug 2025682 AMAQI
4th Aug 2025723 AMAQI
4th Aug 2025694 AMAQI
4th Aug 2025695 AMAQI
22°C16/28°C
4th Aug 2025696 AMAQI
4th Aug 2025697 AMAQI
4th Aug 2025648 AMAQI
4th Aug 2025679 AMAQI
4th Aug 20256410 AMAQI
4th Aug 20256411 AMAQI
4th Aug 20256312 PMAQI
4th Aug 2025621 PMAQI
4th Aug 2025612 PMAQI
4th Aug 2025593 PMAQI
4th Aug 2025604 PMAQI
4th Aug 2025625 PMAQI
4th Aug 2025536 PMAQI
4th Aug 2025667 PMAQI
4th Aug 2025588 PMAQI
4th Aug 2025529 PMAQI
4th Aug 20255210 PMAQI
4th Aug 20255311 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025541 AMAQI
5th Aug 2025532 AMAQI
5th Aug 2025523 AMAQI
5th Aug 2025514 AMAQI
5th Aug 2025505 AMAQI
24°C18/31°C
5th Aug 2025516 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025498 AMAQI
5th Aug 2025429 AMAQI
5th Aug 20253910 AMAQI
5th Aug 20253411 AMAQI
5th Aug 20253212 PMAQI
5th Aug 2025321 PMAQI
5th Aug 2025252 PMAQI
5th Aug 2025273 PMAQI
5th Aug 2025234 PMAQI
5th Aug 2025255 PMAQI
5th Aug 2025246 PMAQI
5th Aug 2025427 PMAQI
5th Aug 2025398 PMAQI
5th Aug 2025269 PMAQI
5th Aug 20252710 PMAQI
5th Aug 20252911 PMAQI
6th Aug 20252912 AMAQI
6th Aug 2025311 AMAQI
6th Aug 2025302 AMAQI
6th Aug 2025323 AMAQI
6th Aug 2025324 AMAQI
6th Aug 2025315 AMAQI
22°C19/25°C
6th Aug 2025306 AMAQI
6th Aug 2025307 AMAQI
6th Aug 2025318 AMAQI
6th Aug 2025309 AMAQI
6th Aug 20253110 AMAQI
6th Aug 20253111 AMAQI
6th Aug 20252712 PMAQI
6th Aug 2025281 PMAQI
6th Aug 2025282 PMAQI
6th Aug 2025243 PMAQI
6th Aug 2025244 PMAQI
6th Aug 2025255 PMAQI
6th Aug 2025236 PMAQI
6th Aug 2025327 PMAQI
6th Aug 2025308 PMAQI
6th Aug 2025279 PMAQI
6th Aug 20252510 PMAQI
6th Aug 20252611 PMAQI
7th Aug 20252812 AMAQI
7th Aug 2025281 AMAQI
7th Aug 2025242 AMAQI
7th Aug 2025253 AMAQI
7th Aug 2025254 AMAQI
7th Aug 2025275 AMAQI
24°C15/31°C
7th Aug 2025276 AMAQI
7th Aug 2025287 AMAQI
7th Aug 2025418 AMAQI
7th Aug 2025309 AMAQI
7th Aug 20253910 AMAQI
7th Aug 20253411 AMAQI
7th Aug 20253412 PMAQI
7th Aug 2025351 PMAQI
7th Aug 2025332 PMAQI
7th Aug 2025343 PMAQI
7th Aug 2025334 PMAQI
7th Aug 2025325 PMAQI
7th Aug 2025326 PMAQI
7th Aug 2025317 PMAQI
7th Aug 2025318 PMAQI
7th Aug 2025349 PMAQI
7th Aug 20253510 PMAQI
7th Aug 20253611 PMAQI
8th Aug 20253612 AMAQI
8th Aug 2025321 AMAQI
8th Aug 2025332 AMAQI
8th Aug 2025313 AMAQI
8th Aug 2025284 AMAQI
8th Aug 2025285 AMAQI
26°C17/33°C
8th Aug 2025286 AMAQI
8th Aug 2025277 AMAQI
8th Aug 2025228 AMAQI
8th Aug 2025209 AMAQI
8th Aug 20251910 AMAQI
8th Aug 20252011 AMAQI
8th Aug 20252212 PMAQI
8th Aug 2025211 PMAQI
8th Aug 2025192 PMAQI
8th Aug 2025223 PMAQI
8th Aug 2025224 PMAQI
8th Aug 2025205 PMAQI
8th Aug 2025206 PMAQI
8th Aug 2025207 PMAQI
8th Aug 2025218 PMAQI
8th Aug 2025189 PMAQI
8th Aug 20251710 PMAQI
8th Aug 20251711 PMAQI
9th Aug 20251812 AMAQI
9th Aug 2025171 AMAQI
9th Aug 2025162 AMAQI
9th Aug 2025163 AMAQI
9th Aug 2025164 AMAQI
9th Aug 2025165 AMAQI
20°C17/26°C
9th Aug 2025166 AMAQI
9th Aug 2025167 AMAQI
9th Aug 2025158 AMAQI
9th Aug 2025179 AMAQI
9th Aug 20251610 AMAQI
9th Aug 20251811 AMAQI
9th Aug 20252312 PMAQI
9th Aug 2025231 PMAQI
9th Aug 2025292 PMAQI
9th Aug 2025283 PMAQI
9th Aug 2025284 PMAQI
9th Aug 2025275 PMAQI
9th Aug 2025276 PMAQI
9th Aug 2025257 PMAQI
9th Aug 2025208 PMAQI
9th Aug 2025319 PMAQI
9th Aug 20252610 PMAQI
9th Aug 20253011 PMAQI
10th Aug 20253812 AMAQI
10th Aug 2025631 AMAQI
10th Aug 20251082 AMAQI
10th Aug 20251443 AMAQI
10th Aug 20251634 AMAQI
10th Aug 20251645 AMAQI
17°C15/20°C
10th Aug 20251596 AMAQI
10th Aug 20251627 AMAQI
10th Aug 20251638 AMAQI
10th Aug 20251709 AMAQI
10th Aug 202516810 AMAQI
10th Aug 202517211 AMAQI
10th Aug 202516212 PMAQI
10th Aug 20251631 PMAQI
10th Aug 20251662 PMAQI
10th Aug 20251433 PMAQI
10th Aug 20251454 PMAQI
10th Aug 20251525 PMAQI
10th Aug 20251606 PMAQI
10th Aug 20251647 PMAQI
10th Aug 20251628 PMAQI
10th Aug 20251569 PMAQI
10th Aug 202515510 PMAQI
10th Aug 202516311 PMAQI
11th Aug 202515712 AMAQI
11th Aug 20251671 AMAQI
11th Aug 20251602 AMAQI
11th Aug 20251413 AMAQI
11th Aug 20251584 AMAQI
21°C13/28°C
6 AM
1 PM
9 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 9 PM
50AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
6 AM - 6 PM
51AQI
13 hours / Day
390 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 9 PM (Avg. 50), while the lowest AQI was between 6 AM to 6 PM (Avg. 51).
Night time
Avg. Highest Time
12 AM - 4 AM
53AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
10 PM
47AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 53), while the lowest AQI was between 10 PM to 10 PM (Avg. 47).
2025 Days Vs Air Quality
Watford City, North Dakota, United States
2025
92%
204
5%
11
2%
5
0.4%
1
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Good
204 DaysModerate
11 DaysPoor
5 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 223 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
Watford City, 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
30AQI
30AQI
2nd January 2025
40AQI
40AQI
3rd January 2025
29AQI
29AQI
4th January 2025
33AQI
33AQI
5th January 2025
28AQI
28AQI
6th January 2025
26AQI
26AQI
7th January 2025
30AQI
30AQI
8th January 2025
31AQI
31AQI
9th January 2025
33AQI
33AQI
10th January 2025
31AQI
31AQI
11th January 2025
32AQI
32AQI
12th January 2025
32AQI
32AQI
13th January 2025
34AQI
34AQI
14th January 2025
41AQI
41AQI
15th January 2025
29AQI
29AQI
16th January 2025
25AQI
25AQI
17th January 2025
29AQI
29AQI
18th January 2025
28AQI
28AQI
19th January 2025
27AQI
27AQI
20th January 2025
28AQI
28AQI
21st January 2025
30AQI
30AQI
22nd January 2025
30AQI
30AQI
23rd January 2025
29AQI
29AQI
24th January 2025
30AQI
30AQI
25th January 2025
30AQI
30AQI
26th January 2025
30AQI
30AQI
27th January 2025
30AQI
30AQI
28th January 2025
31AQI
31AQI
29th January 2025
26AQI
26AQI
30th January 2025
25AQI
25AQI
31st January 2025
30AQI
30AQI
1st February 2025
26AQI
26AQI
2nd February 2025
24AQI
24AQI
3rd February 2025
23AQI
23AQI
4th February 2025
26AQI
26AQI
5th February 2025
25AQI
25AQI
6th February 2025
29AQI
29AQI
7th February 2025
27AQI
27AQI
8th February 2025
27AQI
27AQI
9th February 2025
30AQI
30AQI
10th February 2025
26AQI
26AQI
11th February 2025
27AQI
27AQI
12th February 2025
26AQI
26AQI
13th February 2025
26AQI
26AQI
14th February 2025
28AQI
28AQI
15th February 2025
28AQI
28AQI
16th February 2025
26AQI
26AQI
17th February 2025
20AQI
20AQI
18th February 2025
23AQI
23AQI
19th February 2025
22AQI
22AQI
20th February 2025
26AQI
26AQI
21st February 2025
29AQI
29AQI
22nd February 2025
29AQI
29AQI
23rd February 2025
30AQI
30AQI
24th February 2025
27AQI
27AQI
25th February 2025
22AQI
22AQI
26th February 2025
26AQI
26AQI
27th February 2025
22AQI
22AQI
28th February 2025
28AQI
28AQI
1st March 2025
28AQI
28AQI
2nd March 2025
22AQI
22AQI
3rd March 2025
22AQI
22AQI
4th March 2025
26AQI
26AQI
5th March 2025
25AQI
25AQI
6th March 2025
28AQI
28AQI
7th March 2025
26AQI
26AQI
8th March 2025
26AQI
26AQI
9th March 2025
30AQI
30AQI
10th March 2025
28AQI
28AQI
11th March 2025
23AQI
23AQI
12th March 2025
22AQI
22AQI
13th March 2025
21AQI
21AQI
14th March 2025
27AQI
27AQI
15th March 2025
16AQI
16AQI
16th March 2025
14AQI
14AQI
17th March 2025
17AQI
17AQI
18th March 2025
26AQI
26AQI
19th March 2025
26AQI
26AQI
20th March 2025
14AQI
14AQI
21st March 2025
16AQI
16AQI
22nd March 2025
17AQI
17AQI
23rd March 2025
21AQI
21AQI
24th March 2025
14AQI
14AQI
25th March 2025
19AQI
19AQI
26th March 2025
18AQI
18AQI
27th March 2025
16AQI
16AQI
28th March 2025
18AQI
18AQI
29th March 2025
16AQI
16AQI
30th March 2025
19AQI
19AQI
31st March 2025
22AQI
22AQI
1st April 2025
20AQI
20AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
29AQI
29AQI
4th April 2025
21AQI
21AQI
5th April 2025
15AQI
15AQI
6th April 2025
13AQI
13AQI
7th April 2025
17AQI
17AQI
8th April 2025
16AQI
16AQI
9th April 2025
13AQI
13AQI
10th April 2025
13AQI
13AQI
11th April 2025
21AQI
21AQI
12th April 2025
17AQI
17AQI
13th April 2025
22AQI
22AQI
14th April 2025
13AQI
13AQI
15th April 2025
16AQI
16AQI
16th April 2025
20AQI
20AQI
17th April 2025
14AQI
14AQI
18th April 2025
14AQI
14AQI
19th April 2025
15AQI
15AQI
20th April 2025
15AQI
15AQI
21st April 2025
15AQI
15AQI
22nd April 2025
12AQI
12AQI
23rd April 2025
14AQI
14AQI
24th April 2025
18AQI
18AQI
25th April 2025
20AQI
20AQI
26th April 2025
25AQI
25AQI
27th April 2025
26AQI
26AQI
28th April 2025
31AQI
31AQI
29th April 2025
16AQI
16AQI
30th April 2025
14AQI
14AQI
1st May 2025
15AQI
15AQI
2nd May 2025
16AQI
16AQI
3rd May 2025
16AQI
16AQI
4th May 2025
17AQI
17AQI
5th May 2025
40AQI
40AQI
6th May 2025
16AQI
16AQI
7th May 2025
19AQI
19AQI
8th May 2025
18AQI
18AQI
9th May 2025
34AQI
34AQI
10th May 2025
50AQI
50AQI
11th May 2025
20AQI
20AQI
12th May 2025
19AQI
19AQI
13th May 2025
36AQI
36AQI
14th May 2025
31AQI
31AQI
15th May 2025
18AQI
18AQI
16th May 2025
20AQI
20AQI
17th May 2025
15AQI
15AQI
18th May 2025
20AQI
20AQI
19th May 2025
20AQI
20AQI
20th May 2025
14AQI
14AQI
21st May 2025
15AQI
15AQI
22nd May 2025
13AQI
13AQI
23rd May 2025
14AQI
14AQI
24th May 2025
16AQI
16AQI
25th May 2025
20AQI
20AQI
26th May 2025
17AQI
17AQI
27th May 2025
16AQI
16AQI
28th May 2025
16AQI
16AQI
29th May 2025
19AQI
19AQI
30th May 2025
23AQI
23AQI
31st May 2025
114AQI
114AQI
1st June 2025
110AQI
110AQI
2nd June 2025
45AQI
45AQI
3rd June 2025
48AQI
48AQI
4th June 2025
37AQI
37AQI
5th June 2025
30AQI
30AQI
6th June 2025
38AQI
38AQI
7th June 2025
46AQI
46AQI
8th June 2025
60AQI
60AQI
9th June 2025
62AQI
62AQI
10th June 2025
82AQI
82AQI
11th June 2025
174AQI
174AQI
12th June 2025
146AQI
146AQI
13th June 2025
79AQI
79AQI
14th June 2025
26AQI
26AQI
15th June 2025
25AQI
25AQI
16th June 2025
24AQI
24AQI
17th June 2025
30AQI
30AQI
18th June 2025
28AQI
28AQI
19th June 2025
26AQI
26AQI
20th June 2025
26AQI
26AQI
21st June 2025
42AQI
42AQI
22nd June 2025
38AQI
38AQI
23rd June 2025
30AQI
30AQI
24th June 2025
34AQI
34AQI
25th June 2025
23AQI
23AQI
26th June 2025
19AQI
19AQI
27th June 2025
18AQI
18AQI
28th June 2025
18AQI
18AQI
29th June 2025
15AQI
15AQI
30th June 2025
16AQI
16AQI
1st July 2025
17AQI
17AQI
2nd July 2025
19AQI
19AQI
3rd July 2025
21AQI
21AQI
4th July 2025
23AQI
23AQI
5th July 2025
23AQI
23AQI
6th July 2025
28AQI
28AQI
7th July 2025
25AQI
25AQI
8th July 2025
28AQI
28AQI
9th July 2025
34AQI
34AQI
10th July 2025
35AQI
35AQI
11th July 2025
89AQI
89AQI
12th July 2025
109AQI
109AQI
13th July 2025
39AQI
39AQI
14th July 2025
22AQI
22AQI
15th July 2025
31AQI
31AQI
16th July 2025
31AQI
31AQI
17th July 2025
60AQI
60AQI
18th July 2025
39AQI
39AQI
19th July 2025
25AQI
25AQI
20th July 2025
28AQI
28AQI
21st July 2025
22AQI
22AQI
22nd July 2025
41AQI
41AQI
23rd July 2025
28AQI
28AQI
24th July 2025
45AQI
45AQI
25th July 2025
33AQI
33AQI
26th July 2025
25AQI
25AQI
27th July 2025
24AQI
24AQI
28th July 2025
20AQI
20AQI
29th July 2025
43AQI
43AQI
30th July 2025
94AQI
94AQI
31st July 2025
118AQI
118AQI
1st August 2025
93AQI
93AQI
2nd August 2025
84AQI
84AQI
3rd August 2025
85AQI
85AQI
4th August 2025
63AQI
63AQI
5th August 2025
40AQI
40AQI
6th August 2025
29AQI
29AQI
7th August 2025
31AQI
31AQI
8th August 2025
24AQI
24AQI
9th August 2025
21AQI
21AQI
30AQI
26AQI
21AQI
18AQI
24AQI
47AQI
39AQI
52AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202530AQI
31
28
31
30
30
1
23
4
2
1
26
3
2
5
4
204
11
5
1
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
April18AQI
202431AQI
31
29
31
25
24
3
29
21
10
24
5
2
25
2
3
29
2
30
31
329
22
5
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
November19AQI
202335AQI
31
28
28
3
30
22
7
1
22
8
25
4
1
1
21
7
3
16
11
3
31
29
31
314
40
7
2
Highest AQI recorded in
September54AQI
Lowest AQI recorded in
December18AQI
202229AQI
30
22
30
1
23
7
30
22
2
25
4
30
1
29
1
29
2
279
9
Highest AQI recorded in
September35AQI
Lowest AQI recorded in
January25AQI
202133AQI
24
3
28
31
23
2
30
1
30
8
20
1
18
10
2
1
26
4
28
2
1
30
31
307
42
4
1
Highest AQI recorded in
July60AQI
Lowest AQI recorded in
November18AQI
202027AQI
13
20
18
30
31
29
2
28
2
30
30
31
260
4
Highest AQI recorded in
August31AQI
Lowest AQI recorded in
December21AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
35AQILeast Polluted Year Recorded
2020(Avg.)
27AQIWatford City's annual 2025 AQI (30) shows an average percentage change of -1.5% (improved AQI) compared to previous years: 2020 (27), 2021 (33), 2022 (29), 2023 (35), 2024 (31).
