Bellingham, 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
Bellingham, Washington, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Aug 2023
93AQILowest AQI recorded on
3rd Aug 2022
8AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Bellingham, Washington, United States
AQI
Day
Night
.
5 AM4th Aug 2025
9 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
8PM4th Aug
47AQI
Avg. Lowest Time
5AM4th Aug
38AQI
Night time
Avg. Highest Time
1AM5th Aug
53AQI
Avg. Lowest Time
4AM5th Aug
42AQI
In the last 24 hours,
Bellingham's AQI reached its highest point of 53 at 1 AM during the Night, while the lowest point, 38, was recorded at 5 AM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Bellingham, Washington, United States
JulAug
06th - 07th07th - 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
Day
Night
6th Jul 2025305 AMAQI
6th Jul 2025316 AMAQI
6th Jul 2025267 AMAQI
6th Jul 2025258 AMAQI
6th Jul 2025239 AMAQI
6th Jul 20252110 AMAQI
6th Jul 20251911 AMAQI
6th Jul 20251712 PMAQI
6th Jul 2025181 PMAQI
6th Jul 2025202 PMAQI
6th Jul 2025213 PMAQI
6th Jul 2025204 PMAQI
6th Jul 2025205 PMAQI
6th Jul 2025216 PMAQI
6th Jul 2025227 PMAQI
6th Jul 2025208 PMAQI
6th Jul 2025169 PMAQI
6th Jul 20251610 PMAQI
6th Jul 20251611 PMAQI
7th Jul 20251712 AMAQI
7th Jul 2025161 AMAQI
7th Jul 2025162 AMAQI
7th Jul 2025183 AMAQI
7th Jul 2025214 AMAQI
16°C11/20°C
7th Jul 2025235 AMAQI
7th Jul 2025256 AMAQI
7th Jul 2025207 AMAQI
7th Jul 2025188 AMAQI
7th Jul 2025209 AMAQI
7th Jul 20252210 AMAQI
7th Jul 20252311 AMAQI
7th Jul 20252312 PMAQI
7th Jul 2025221 PMAQI
7th Jul 2025222 PMAQI
7th Jul 2025243 PMAQI
7th Jul 2025214 PMAQI
7th Jul 2025225 PMAQI
7th Jul 2025226 PMAQI
7th Jul 2025227 PMAQI
7th Jul 2025228 PMAQI
7th Jul 2025209 PMAQI
7th Jul 20251910 PMAQI
7th Jul 20252111 PMAQI
8th Jul 20252012 AMAQI
8th Jul 2025241 AMAQI
8th Jul 2025252 AMAQI
8th Jul 2025223 AMAQI
8th Jul 2025194 AMAQI
18°C12/24°C
8th Jul 2025255 AMAQI
8th Jul 2025226 AMAQI
8th Jul 2025207 AMAQI
8th Jul 2025188 AMAQI
8th Jul 2025189 AMAQI
8th Jul 20251810 AMAQI
8th Jul 20251811 AMAQI
8th Jul 20251712 PMAQI
8th Jul 2025171 PMAQI
8th Jul 2025172 PMAQI
8th Jul 2025183 PMAQI
8th Jul 2025204 PMAQI
8th Jul 2025185 PMAQI
8th Jul 2025186 PMAQI
8th Jul 2025187 PMAQI
8th Jul 2025178 PMAQI
8th Jul 2025179 PMAQI
8th Jul 20251710 PMAQI
8th Jul 20251711 PMAQI
9th Jul 20251612 AMAQI
9th Jul 2025161 AMAQI
9th Jul 2025172 AMAQI
9th Jul 2025163 AMAQI
9th Jul 2025164 AMAQI
18°C13/23°C
9th Jul 2025185 AMAQI
9th Jul 2025186 AMAQI
9th Jul 2025157 AMAQI
9th Jul 2025148 AMAQI
9th Jul 2025149 AMAQI
9th Jul 20251410 AMAQI
9th Jul 20251411 AMAQI
9th Jul 20251412 PMAQI
9th Jul 2025141 PMAQI
9th Jul 2025142 PMAQI
9th Jul 2025163 PMAQI
9th Jul 2025154 PMAQI
9th Jul 2025165 PMAQI
9th Jul 2025166 PMAQI
9th Jul 2025177 PMAQI
9th Jul 2025178 PMAQI
9th Jul 2025189 PMAQI
9th Jul 20251810 PMAQI
9th Jul 20251811 PMAQI
10th Jul 20252012 AMAQI
10th Jul 2025201 AMAQI
10th Jul 2025162 AMAQI
10th Jul 2025143 AMAQI
10th Jul 2025174 AMAQI
15°C12/16°C
10th Jul 2025255 AMAQI
10th Jul 2025286 AMAQI
10th Jul 2025257 AMAQI
10th Jul 2025268 AMAQI
10th Jul 2025229 AMAQI
10th Jul 20252210 AMAQI
10th Jul 20251911 AMAQI
10th Jul 20251712 PMAQI
10th Jul 2025171 PMAQI
10th Jul 2025172 PMAQI
10th Jul 2025183 PMAQI
10th Jul 2025184 PMAQI
10th Jul 2025185 PMAQI
10th Jul 2025186 PMAQI
10th Jul 2025197 PMAQI
10th Jul 2025188 PMAQI
10th Jul 2025159 PMAQI
10th Jul 20251710 PMAQI
10th Jul 20251811 PMAQI
11th Jul 20251912 AMAQI
11th Jul 2025231 AMAQI
11th Jul 2025162 AMAQI
11th Jul 2025223 AMAQI
11th Jul 2025224 AMAQI
14°C12/18°C
11th Jul 2025225 AMAQI
11th Jul 2025246 AMAQI
11th Jul 2025267 AMAQI
11th Jul 2025238 AMAQI
11th Jul 2025249 AMAQI
11th Jul 20252710 AMAQI
11th Jul 20252411 AMAQI
11th Jul 20252212 PMAQI
11th Jul 2025241 PMAQI
11th Jul 2025252 PMAQI
11th Jul 2025263 PMAQI
11th Jul 2025244 PMAQI
11th Jul 2025235 PMAQI
11th Jul 2025226 PMAQI
11th Jul 2025227 PMAQI
11th Jul 2025218 PMAQI
11th Jul 2025209 PMAQI
11th Jul 20252010 PMAQI
11th Jul 20251911 PMAQI
12th Jul 20251912 AMAQI
12th Jul 2025211 AMAQI
12th Jul 2025202 AMAQI
12th Jul 2025193 AMAQI
12th Jul 2025224 AMAQI
17°C11/23°C
12th Jul 2025285 AMAQI
12th Jul 2025236 AMAQI
12th Jul 2025217 AMAQI
12th Jul 2025198 AMAQI
12th Jul 2025189 AMAQI
12th Jul 20251710 AMAQI
12th Jul 20251611 AMAQI
12th Jul 20251712 PMAQI
12th Jul 2025201 PMAQI
12th Jul 2025232 PMAQI
12th Jul 2025233 PMAQI
12th Jul 2025224 PMAQI
12th Jul 2025225 PMAQI
12th Jul 2025206 PMAQI
12th Jul 2025207 PMAQI
12th Jul 2025188 PMAQI
12th Jul 2025179 PMAQI
12th Jul 20251810 PMAQI
12th Jul 20252011 PMAQI
13th Jul 20252212 AMAQI
13th Jul 2025231 AMAQI
13th Jul 2025262 AMAQI
13th Jul 2025193 AMAQI
13th Jul 2025154 AMAQI
18°C15/24°C
13th Jul 2025215 AMAQI
13th Jul 2025266 AMAQI
13th Jul 2025267 AMAQI
13th Jul 2025248 AMAQI
13th Jul 2025229 AMAQI
13th Jul 20252410 AMAQI
13th Jul 20252611 AMAQI
13th Jul 20252712 PMAQI
13th Jul 2025221 PMAQI
13th Jul 2025222 PMAQI
13th Jul 2025233 PMAQI
13th Jul 2025234 PMAQI
13th Jul 2025235 PMAQI
13th Jul 2025246 PMAQI
13th Jul 2025247 PMAQI
13th Jul 2025228 PMAQI
13th Jul 2025189 PMAQI
13th Jul 20251810 PMAQI
13th Jul 20251811 PMAQI
14th Jul 20251912 AMAQI
14th Jul 2025171 AMAQI
14th Jul 2025182 AMAQI
14th Jul 2025243 AMAQI
14th Jul 2025224 AMAQI
19°C14/25°C
14th Jul 2025245 AMAQI
14th Jul 2025286 AMAQI
14th Jul 2025277 AMAQI
14th Jul 2025258 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20252210 AMAQI
14th Jul 20252211 AMAQI
14th Jul 20252412 PMAQI
14th Jul 2025301 PMAQI
14th Jul 2025282 PMAQI
14th Jul 2025273 PMAQI
14th Jul 2025244 PMAQI
14th Jul 2025255 PMAQI
14th Jul 2025246 PMAQI
14th Jul 2025237 PMAQI
14th Jul 2025248 PMAQI
14th Jul 2025209 PMAQI
14th Jul 20252010 PMAQI
14th Jul 20252111 PMAQI
15th Jul 20252212 AMAQI
15th Jul 2025181 AMAQI
15th Jul 2025282 AMAQI
15th Jul 2025223 AMAQI
15th Jul 2025224 AMAQI
16°C14/20°C
15th Jul 2025185 AMAQI
15th Jul 2025176 AMAQI
15th Jul 2025207 AMAQI
15th Jul 2025248 AMAQI
15th Jul 2025239 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20252911 AMAQI
15th Jul 20253512 PMAQI
15th Jul 2025321 PMAQI
15th Jul 2025352 PMAQI
15th Jul 2025283 PMAQI
15th Jul 2025304 PMAQI
15th Jul 2025285 PMAQI
15th Jul 2025266 PMAQI
15th Jul 2025247 PMAQI
15th Jul 2025248 PMAQI
15th Jul 2025279 PMAQI
15th Jul 20253010 PMAQI
15th Jul 20252911 PMAQI
16th Jul 20253212 AMAQI
16th Jul 2025361 AMAQI
16th Jul 2025302 AMAQI
16th Jul 2025253 AMAQI
16th Jul 2025244 AMAQI
19°C13/25°C
16th Jul 2025245 AMAQI
16th Jul 2025246 AMAQI
16th Jul 2025287 AMAQI
16th Jul 2025298 AMAQI
16th Jul 2025309 AMAQI
16th Jul 20253310 AMAQI
16th Jul 20253611 AMAQI
16th Jul 20253812 PMAQI
16th Jul 2025341 PMAQI
16th Jul 2025342 PMAQI
16th Jul 2025343 PMAQI
16th Jul 2025354 PMAQI
16th Jul 2025365 PMAQI
16th Jul 2025366 PMAQI
16th Jul 2025357 PMAQI
16th Jul 2025348 PMAQI
16th Jul 2025349 PMAQI
16th Jul 20253610 PMAQI
16th Jul 20253611 PMAQI
17th Jul 20253612 AMAQI
17th Jul 2025381 AMAQI
17th Jul 2025392 AMAQI
17th Jul 2025463 AMAQI
17th Jul 2025414 AMAQI
21°C18/27°C
17th Jul 2025445 AMAQI
17th Jul 2025406 AMAQI
17th Jul 2025387 AMAQI
17th Jul 2025368 AMAQI
17th Jul 2025389 AMAQI
17th Jul 20253710 AMAQI
17th Jul 20253811 AMAQI
17th Jul 20253912 PMAQI
17th Jul 2025441 PMAQI
17th Jul 2025432 PMAQI
17th Jul 2025443 PMAQI
17th Jul 2025414 PMAQI
17th Jul 2025405 PMAQI
17th Jul 2025406 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025388 PMAQI
17th Jul 2025349 PMAQI
17th Jul 20253710 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025411 AMAQI
18th Jul 2025432 AMAQI
18th Jul 2025443 AMAQI
18th Jul 2025464 AMAQI
19°C14/24°C
18th Jul 2025395 AMAQI
18th Jul 2025396 AMAQI
18th Jul 2025427 AMAQI
18th Jul 2025408 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20253510 AMAQI
18th Jul 20254011 AMAQI
18th Jul 20253812 PMAQI
18th Jul 2025381 PMAQI
18th Jul 2025372 PMAQI
18th Jul 2025373 PMAQI
18th Jul 2025394 PMAQI
18th Jul 2025395 PMAQI
18th Jul 2025436 PMAQI
18th Jul 2025407 PMAQI
18th Jul 2025388 PMAQI
18th Jul 2025329 PMAQI
18th Jul 20253210 PMAQI
18th Jul 20252911 PMAQI
19th Jul 20253012 AMAQI
19th Jul 2025261 AMAQI
19th Jul 2025222 AMAQI
19th Jul 2025233 AMAQI
19th Jul 2025244 AMAQI
16°C13/17°C
19th Jul 2025265 AMAQI
19th Jul 2025286 AMAQI
19th Jul 2025267 AMAQI
19th Jul 2025298 AMAQI
19th Jul 2025299 AMAQI
19th Jul 20253010 AMAQI
19th Jul 20253211 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025371 PMAQI
19th Jul 2025332 PMAQI
19th Jul 2025293 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025279 PMAQI
19th Jul 20252710 PMAQI
19th Jul 20252711 PMAQI
20th Jul 20252412 AMAQI
20th Jul 2025211 AMAQI
20th Jul 2025172 AMAQI
20th Jul 2025173 AMAQI
20th Jul 2025224 AMAQI
13°C12/15°C
20th Jul 2025195 AMAQI
20th Jul 2025206 AMAQI
20th Jul 2025167 AMAQI
20th Jul 2025188 AMAQI
20th Jul 2025249 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20252612 PMAQI
20th Jul 2025261 PMAQI
20th Jul 2025272 PMAQI
20th Jul 2025273 PMAQI
20th Jul 2025284 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025246 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025238 PMAQI
20th Jul 2025249 PMAQI
20th Jul 20252510 PMAQI
20th Jul 20252411 PMAQI
21st Jul 20252312 AMAQI
21st Jul 2025241 AMAQI
21st Jul 2025322 AMAQI
21st Jul 2025313 AMAQI
21st Jul 2025304 AMAQI
15°C11/18°C
21st Jul 2025405 AMAQI
21st Jul 2025366 AMAQI
21st Jul 2025307 AMAQI
21st Jul 2025248 AMAQI
21st Jul 2025289 AMAQI
21st Jul 20252910 AMAQI
21st Jul 20252911 AMAQI
21st Jul 20253012 PMAQI
21st Jul 2025321 PMAQI
21st Jul 2025302 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025294 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025346 PMAQI
21st Jul 2025307 PMAQI
21st Jul 2025288 PMAQI
21st Jul 2025299 PMAQI
21st Jul 20252810 PMAQI
21st Jul 20253011 PMAQI
22nd Jul 20253112 AMAQI
22nd Jul 2025281 AMAQI
22nd Jul 2025232 AMAQI
22nd Jul 2025243 AMAQI
22nd Jul 2025284 AMAQI
16°C12/20°C
22nd Jul 2025235 AMAQI
22nd Jul 2025266 AMAQI
22nd Jul 2025277 AMAQI
22nd Jul 2025288 AMAQI
22nd Jul 2025299 AMAQI
22nd Jul 20252710 AMAQI
22nd Jul 20252811 AMAQI
22nd Jul 20253112 PMAQI
22nd Jul 2025301 PMAQI
22nd Jul 2025302 PMAQI
22nd Jul 2025283 PMAQI
22nd Jul 2025304 PMAQI
22nd Jul 2025325 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025277 PMAQI
22nd Jul 2025298 PMAQI
22nd Jul 2025289 PMAQI
22nd Jul 20253010 PMAQI
22nd Jul 20252811 PMAQI
23rd Jul 20252512 AMAQI
23rd Jul 2025271 AMAQI
23rd Jul 2025212 AMAQI
23rd Jul 2025153 AMAQI
23rd Jul 2025164 AMAQI
16°C14/18°C
23rd Jul 2025325 AMAQI
23rd Jul 2025306 AMAQI
23rd Jul 2025247 AMAQI
23rd Jul 2025248 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252110 AMAQI
23rd Jul 20252611 AMAQI
23rd Jul 20252612 PMAQI
23rd Jul 2025281 PMAQI
23rd Jul 2025282 PMAQI
23rd Jul 2025253 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025235 PMAQI
23rd Jul 2025246 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025278 PMAQI
23rd Jul 2025269 PMAQI
23rd Jul 20252510 PMAQI
23rd Jul 20252611 PMAQI
24th Jul 20253112 AMAQI
24th Jul 2025301 AMAQI
24th Jul 2025262 AMAQI
24th Jul 2025193 AMAQI
24th Jul 2025194 AMAQI
17°C14/21°C
24th Jul 2025195 AMAQI
24th Jul 2025226 AMAQI
24th Jul 2025227 AMAQI
24th Jul 2025198 AMAQI
24th Jul 2025169 AMAQI
24th Jul 20251610 AMAQI
24th Jul 20251711 AMAQI
24th Jul 20251712 PMAQI
24th Jul 2025181 PMAQI
24th Jul 2025202 PMAQI
24th Jul 2025223 PMAQI
24th Jul 2025224 PMAQI
24th Jul 2025225 PMAQI
24th Jul 2025236 PMAQI
24th Jul 2025247 PMAQI
24th Jul 2025258 PMAQI
24th Jul 2025299 PMAQI
24th Jul 20252710 PMAQI
24th Jul 20252311 PMAQI
25th Jul 20252212 AMAQI
25th Jul 2025251 AMAQI
25th Jul 2025202 AMAQI
25th Jul 2025163 AMAQI
25th Jul 2025134 AMAQI
16°C13/19°C
25th Jul 2025135 AMAQI
25th Jul 2025126 AMAQI
25th Jul 2025157 AMAQI
25th Jul 2025158 AMAQI
25th Jul 2025159 AMAQI
25th Jul 20251410 AMAQI
25th Jul 20251511 AMAQI
25th Jul 20251412 PMAQI
25th Jul 2025161 PMAQI
25th Jul 2025182 PMAQI
25th Jul 2025173 PMAQI
25th Jul 2025194 PMAQI
25th Jul 2025235 PMAQI
25th Jul 2025266 PMAQI
25th Jul 2025207 PMAQI
25th Jul 2025208 PMAQI
25th Jul 2025249 PMAQI
25th Jul 20252310 PMAQI
25th Jul 20252211 PMAQI
26th Jul 20252112 AMAQI
26th Jul 2025201 AMAQI
26th Jul 2025242 AMAQI
26th Jul 2025283 AMAQI
26th Jul 2025294 AMAQI
14°C12/16°C
26th Jul 2025265 AMAQI
26th Jul 2025256 AMAQI
26th Jul 2025227 AMAQI
26th Jul 2025268 AMAQI
26th Jul 2025269 AMAQI
26th Jul 20252210 AMAQI
26th Jul 20252411 AMAQI
26th Jul 20252012 PMAQI
26th Jul 2025191 PMAQI
26th Jul 2025232 PMAQI
26th Jul 2025263 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025295 PMAQI
26th Jul 2025276 PMAQI
26th Jul 2025267 PMAQI
26th Jul 2025278 PMAQI
26th Jul 2025269 PMAQI
26th Jul 20252610 PMAQI
26th Jul 20252711 PMAQI
27th Jul 20252612 AMAQI
27th Jul 2025221 AMAQI
27th Jul 2025232 AMAQI
27th Jul 2025203 AMAQI
27th Jul 2025324 AMAQI
14°C12/19°C
27th Jul 2025285 AMAQI
27th Jul 2025276 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025298 AMAQI
27th Jul 2025289 AMAQI
27th Jul 20252610 AMAQI
27th Jul 20253211 AMAQI
27th Jul 20252912 PMAQI
27th Jul 2025261 PMAQI
27th Jul 2025302 PMAQI
27th Jul 2025283 PMAQI
27th Jul 2025254 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025256 PMAQI
27th Jul 2025277 PMAQI
27th Jul 2025288 PMAQI
27th Jul 2025279 PMAQI
27th Jul 20252510 PMAQI
27th Jul 20252611 PMAQI
28th Jul 20252812 AMAQI
28th Jul 2025321 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025333 AMAQI
28th Jul 2025294 AMAQI
15°C10/19°C
28th Jul 2025345 AMAQI
28th Jul 2025326 AMAQI
28th Jul 2025347 AMAQI
28th Jul 2025338 AMAQI
28th Jul 2025349 AMAQI
28th Jul 20253410 AMAQI
28th Jul 20252711 AMAQI
28th Jul 20252712 PMAQI
28th Jul 2025261 PMAQI
28th Jul 2025262 PMAQI
28th Jul 2025303 PMAQI
28th Jul 2025334 PMAQI
28th Jul 2025365 PMAQI
28th Jul 2025356 PMAQI
28th Jul 2025317 PMAQI
28th Jul 2025308 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20252910 PMAQI
28th Jul 20252911 PMAQI
29th Jul 20252912 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025332 AMAQI
29th Jul 2025323 AMAQI
29th Jul 2025334 AMAQI
17°C11/23°C
29th Jul 2025315 AMAQI
29th Jul 2025286 AMAQI
29th Jul 2025347 AMAQI
29th Jul 2025318 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20253410 AMAQI
29th Jul 20253411 AMAQI
29th Jul 20252912 PMAQI
29th Jul 2025291 PMAQI
29th Jul 2025342 PMAQI
29th Jul 2025343 PMAQI
29th Jul 2025344 PMAQI
29th Jul 2025345 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025337 PMAQI
29th Jul 2025338 PMAQI
29th Jul 2025329 PMAQI
29th Jul 20253210 PMAQI
29th Jul 20253211 PMAQI
30th Jul 20253312 AMAQI
30th Jul 2025361 AMAQI
30th Jul 2025342 AMAQI
30th Jul 2025323 AMAQI
30th Jul 2025304 AMAQI
19°C14/25°C
30th Jul 2025365 AMAQI
30th Jul 2025366 AMAQI
30th Jul 2025307 AMAQI
30th Jul 2025298 AMAQI
30th Jul 2025329 AMAQI
30th Jul 20253410 AMAQI
30th Jul 20253411 AMAQI
30th Jul 20252812 PMAQI
30th Jul 2025291 PMAQI
30th Jul 2025282 PMAQI
30th Jul 2025283 PMAQI
30th Jul 2025284 PMAQI
30th Jul 2025285 PMAQI
30th Jul 2025286 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025288 PMAQI
30th Jul 2025289 PMAQI
30th Jul 20253010 PMAQI
30th Jul 20253111 PMAQI
31st Jul 20252912 AMAQI
31st Jul 2025301 AMAQI
31st Jul 2025282 AMAQI
31st Jul 2025273 AMAQI
31st Jul 2025254 AMAQI
19°C14/25°C
31st Jul 2025235 AMAQI
31st Jul 2025226 AMAQI
31st Jul 2025247 AMAQI
31st Jul 2025268 AMAQI
31st Jul 2025249 AMAQI
31st Jul 20252210 AMAQI
31st Jul 20252111 AMAQI
31st Jul 20251912 PMAQI
31st Jul 2025181 PMAQI
31st Jul 2025182 PMAQI
31st Jul 2025193 PMAQI
31st Jul 2025204 PMAQI
31st Jul 2025235 PMAQI
31st Jul 2025236 PMAQI
31st Jul 2025257 PMAQI
31st Jul 2025288 PMAQI
31st Jul 2025329 PMAQI
31st Jul 20252810 PMAQI
31st Jul 20252311 PMAQI
1st Aug 20252112 AMAQI
1st Aug 2025231 AMAQI
1st Aug 2025242 AMAQI
1st Aug 2025233 AMAQI
1st Aug 2025204 AMAQI
18°C15/21°C
1st Aug 2025165 AMAQI
1st Aug 2025166 AMAQI
1st Aug 2025177 AMAQI
1st Aug 2025168 AMAQI
1st Aug 2025199 AMAQI
1st Aug 20252010 AMAQI
1st Aug 20252311 AMAQI
1st Aug 20252512 PMAQI
1st Aug 2025281 PMAQI
1st Aug 2025272 PMAQI
1st Aug 2025223 PMAQI
1st Aug 2025214 PMAQI
1st Aug 2025215 PMAQI
1st Aug 2025226 PMAQI
1st Aug 2025237 PMAQI
1st Aug 2025228 PMAQI
1st Aug 2025239 PMAQI
1st Aug 20252410 PMAQI
1st Aug 20252511 PMAQI
2nd Aug 20252312 AMAQI
2nd Aug 2025261 AMAQI
2nd Aug 2025272 AMAQI
2nd Aug 2025263 AMAQI
2nd Aug 2025204 AMAQI
17°C15/20°C
2nd Aug 2025175 AMAQI
2nd Aug 2025176 AMAQI
2nd Aug 2025187 AMAQI
2nd Aug 2025188 AMAQI
2nd Aug 2025179 AMAQI
2nd Aug 20251510 AMAQI
2nd Aug 20251611 AMAQI
2nd Aug 20251512 PMAQI
2nd Aug 2025141 PMAQI
2nd Aug 2025142 PMAQI
2nd Aug 2025163 PMAQI
2nd Aug 2025174 PMAQI
2nd Aug 2025225 PMAQI
2nd Aug 2025236 PMAQI
2nd Aug 2025217 PMAQI
2nd Aug 2025228 PMAQI
2nd Aug 2025269 PMAQI
2nd Aug 20252510 PMAQI
2nd Aug 20252711 PMAQI
3rd Aug 20253012 AMAQI
3rd Aug 2025251 AMAQI
3rd Aug 2025252 AMAQI
3rd Aug 2025243 AMAQI
3rd Aug 2025264 AMAQI
15°C13/17°C
3rd Aug 2025265 AMAQI
3rd Aug 2025266 AMAQI
3rd Aug 2025297 AMAQI
3rd Aug 2025308 AMAQI
3rd Aug 2025309 AMAQI
3rd Aug 20252810 AMAQI
3rd Aug 20253211 AMAQI
3rd Aug 20252912 PMAQI
3rd Aug 2025281 PMAQI
3rd Aug 2025282 PMAQI
3rd Aug 2025283 PMAQI
3rd Aug 2025314 PMAQI
3rd Aug 2025365 PMAQI
3rd Aug 2025416 PMAQI
3rd Aug 2025287 PMAQI
3rd Aug 2025368 PMAQI
3rd Aug 2025449 PMAQI
3rd Aug 20255210 PMAQI
3rd Aug 20255311 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025521 AMAQI
4th Aug 2025482 AMAQI
4th Aug 2025463 AMAQI
4th Aug 2025414 AMAQI
14°C12/15°C
4th Aug 2025385 AMAQI
4th Aug 2025406 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025458 AMAQI
4th Aug 2025429 AMAQI
4th Aug 20254510 AMAQI
4th Aug 20254011 AMAQI
4th Aug 20254112 PMAQI
4th Aug 2025401 PMAQI
4th Aug 2025402 PMAQI
4th Aug 2025393 PMAQI
4th Aug 2025404 PMAQI
4th Aug 2025455 PMAQI
4th Aug 2025466 PMAQI
4th Aug 2025437 PMAQI
4th Aug 2025478 PMAQI
4th Aug 2025499 PMAQI
4th Aug 20254810 PMAQI
4th Aug 20255211 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025531 AMAQI
5th Aug 2025462 AMAQI
5th Aug 2025443 AMAQI
5th Aug 2025424 AMAQI
15°C14/17°C
5th Aug 2025425 AMAQI
5 AM1 PM
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 PM
26AQI
14 hours / Day
420 hours / Month
Avg. Lowest Time
5 AM - 9 PM
26AQI
17 hours / Day
510 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 PM (Avg. 26), while the lowest AQI was between 5 AM to 9 PM (Avg. 26).
Night time
Avg. Highest Time
12 AM - 11 PM
27AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 4 AM
26AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 27), while the lowest AQI was between 12 AM to 4 AM (Avg. 26).
2025 Days Vs Air Quality
Bellingham, Washington, United States
2025
100%
215
0.4%
1
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
215 DaysModerate
1 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 217 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
Bellingham, 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
32AQI
32AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
25AQI
25AQI
4th January 2025
24AQI
24AQI
5th January 2025
22AQI
22AQI
6th January 2025
24AQI
24AQI
7th January 2025
28AQI
28AQI
8th January 2025
35AQI
35AQI
9th January 2025
28AQI
28AQI
10th January 2025
29AQI
29AQI
11th January 2025
23AQI
23AQI
12th January 2025
32AQI
32AQI
13th January 2025
33AQI
33AQI
14th January 2025
36AQI
36AQI
15th January 2025
40AQI
40AQI
16th January 2025
30AQI
30AQI
17th January 2025
32AQI
32AQI
18th January 2025
42AQI
42AQI
19th January 2025
41AQI
41AQI
20th January 2025
37AQI
37AQI
21st January 2025
48AQI
48AQI
22nd January 2025
46AQI
46AQI
23rd January 2025
48AQI
48AQI
24th January 2025
46AQI
46AQI
25th January 2025
31AQI
31AQI
26th January 2025
40AQI
40AQI
27th January 2025
49AQI
49AQI
28th January 2025
47AQI
47AQI
29th January 2025
51AQI
51AQI
30th January 2025
49AQI
49AQI
31st January 2025
29AQI
29AQI
1st February 2025
18AQI
18AQI
2nd February 2025
21AQI
21AQI
3rd February 2025
20AQI
20AQI
4th February 2025
19AQI
19AQI
5th February 2025
20AQI
20AQI
6th February 2025
23AQI
23AQI
7th February 2025
29AQI
29AQI
8th February 2025
37AQI
37AQI
9th February 2025
37AQI
37AQI
10th February 2025
29AQI
29AQI
11th February 2025
24AQI
24AQI
12th February 2025
33AQI
33AQI
13th February 2025
28AQI
28AQI
14th February 2025
33AQI
33AQI
15th February 2025
24AQI
24AQI
16th February 2025
23AQI
23AQI
17th February 2025
27AQI
27AQI
18th February 2025
27AQI
27AQI
19th February 2025
20AQI
20AQI
20th February 2025
19AQI
19AQI
21st February 2025
23AQI
23AQI
22nd February 2025
19AQI
19AQI
23rd February 2025
18AQI
18AQI
24th February 2025
22AQI
22AQI
25th February 2025
18AQI
18AQI
26th February 2025
22AQI
22AQI
27th February 2025
23AQI
23AQI
28th February 2025
30AQI
30AQI
1st March 2025
32AQI
32AQI
2nd March 2025
37AQI
37AQI
3rd March 2025
23AQI
23AQI
4th March 2025
21AQI
21AQI
5th March 2025
22AQI
22AQI
6th March 2025
24AQI
24AQI
7th March 2025
26AQI
26AQI
8th March 2025
23AQI
23AQI
9th March 2025
21AQI
21AQI
10th March 2025
20AQI
20AQI
11th March 2025
21AQI
21AQI
12th March 2025
18AQI
18AQI
13th March 2025
19AQI
19AQI
14th March 2025
18AQI
18AQI
15th March 2025
18AQI
18AQI
16th March 2025
17AQI
17AQI
17th March 2025
17AQI
17AQI
18th March 2025
17AQI
17AQI
19th March 2025
19AQI
19AQI
20th March 2025
16AQI
16AQI
21st March 2025
18AQI
18AQI
22nd March 2025
17AQI
17AQI
23rd March 2025
17AQI
17AQI
24th March 2025
18AQI
18AQI
25th March 2025
22AQI
22AQI
26th March 2025
22AQI
22AQI
27th March 2025
17AQI
17AQI
28th March 2025
16AQI
16AQI
29th March 2025
18AQI
18AQI
30th March 2025
21AQI
21AQI
31st March 2025
18AQI
18AQI
1st April 2025
17AQI
17AQI
2nd April 2025
24AQI
24AQI
3rd April 2025
18AQI
18AQI
4th April 2025
24AQI
24AQI
5th April 2025
28AQI
28AQI
6th April 2025
31AQI
31AQI
7th April 2025
16AQI
16AQI
8th April 2025
16AQI
16AQI
9th April 2025
17AQI
17AQI
10th April 2025
17AQI
17AQI
11th April 2025
19AQI
19AQI
12th April 2025
19AQI
19AQI
13th April 2025
19AQI
19AQI
14th April 2025
28AQI
28AQI
15th April 2025
19AQI
19AQI
16th April 2025
20AQI
20AQI
17th April 2025
19AQI
19AQI
18th April 2025
20AQI
20AQI
19th April 2025
21AQI
21AQI
20th April 2025
22AQI
22AQI
21st April 2025
16AQI
16AQI
22nd April 2025
20AQI
20AQI
23rd April 2025
17AQI
17AQI
24th April 2025
32AQI
32AQI
25th April 2025
37AQI
37AQI
26th April 2025
36AQI
36AQI
27th April 2025
38AQI
38AQI
28th April 2025
26AQI
26AQI
29th April 2025
15AQI
15AQI
30th April 2025
18AQI
18AQI
1st May 2025
25AQI
25AQI
2nd May 2025
34AQI
34AQI
3rd May 2025
16AQI
16AQI
4th May 2025
18AQI
18AQI
5th May 2025
19AQI
19AQI
6th May 2025
16AQI
16AQI
7th May 2025
20AQI
20AQI
8th May 2025
18AQI
18AQI
9th May 2025
20AQI
20AQI
10th May 2025
27AQI
27AQI
11th May 2025
23AQI
23AQI
12th May 2025
19AQI
19AQI
13th May 2025
27AQI
27AQI
14th May 2025
20AQI
20AQI
15th May 2025
25AQI
25AQI
16th May 2025
16AQI
16AQI
17th May 2025
22AQI
22AQI
18th May 2025
17AQI
17AQI
19th May 2025
19AQI
19AQI
20th May 2025
13AQI
13AQI
21st May 2025
15AQI
15AQI
22nd May 2025
16AQI
16AQI
23rd May 2025
16AQI
16AQI
24th May 2025
21AQI
21AQI
25th May 2025
20AQI
20AQI
26th May 2025
19AQI
19AQI
27th May 2025
17AQI
17AQI
28th May 2025
24AQI
24AQI
29th May 2025
19AQI
19AQI
30th May 2025
21AQI
21AQI
31st May 2025
25AQI
25AQI
1st June 2025
20AQI
20AQI
2nd June 2025
22AQI
22AQI
3rd June 2025
22AQI
22AQI
4th June 2025
18AQI
18AQI
5th June 2025
23AQI
23AQI
6th June 2025
21AQI
21AQI
7th June 2025
21AQI
21AQI
8th June 2025
21AQI
21AQI
9th June 2025
28AQI
28AQI
10th June 2025
32AQI
32AQI
11th June 2025
37AQI
37AQI
12th June 2025
43AQI
43AQI
13th June 2025
29AQI
29AQI
14th June 2025
27AQI
27AQI
15th June 2025
23AQI
23AQI
16th June 2025
21AQI
21AQI
17th June 2025
20AQI
20AQI
18th June 2025
21AQI
21AQI
19th June 2025
17AQI
17AQI
20th June 2025
17AQI
17AQI
21st June 2025
12AQI
12AQI
22nd June 2025
14AQI
14AQI
23rd June 2025
27AQI
27AQI
24th June 2025
34AQI
34AQI
25th June 2025
27AQI
27AQI
26th June 2025
17AQI
17AQI
27th June 2025
17AQI
17AQI
28th June 2025
18AQI
18AQI
29th June 2025
23AQI
23AQI
30th June 2025
22AQI
22AQI
1st July 2025
21AQI
21AQI
2nd July 2025
17AQI
17AQI
3rd July 2025
19AQI
19AQI
4th July 2025
19AQI
19AQI
5th July 2025
23AQI
23AQI
6th July 2025
22AQI
22AQI
7th July 2025
21AQI
21AQI
8th July 2025
19AQI
19AQI
9th July 2025
16AQI
16AQI
10th July 2025
19AQI
19AQI
11th July 2025
22AQI
22AQI
12th July 2025
20AQI
20AQI
13th July 2025
22AQI
22AQI
14th July 2025
23AQI
23AQI
15th July 2025
25AQI
25AQI
16th July 2025
32AQI
32AQI
17th July 2025
40AQI
40AQI
18th July 2025
39AQI
39AQI
19th July 2025
28AQI
28AQI
20th July 2025
23AQI
23AQI
21st July 2025
30AQI
30AQI
22nd July 2025
28AQI
28AQI
23rd July 2025
25AQI
25AQI
24th July 2025
22AQI
22AQI
25th July 2025
19AQI
19AQI
26th July 2025
25AQI
25AQI
27th July 2025
26AQI
26AQI
28th July 2025
31AQI
31AQI
29th July 2025
32AQI
32AQI
30th July 2025
31AQI
31AQI
31st July 2025
25AQI
25AQI
1st August 2025
22AQI
22AQI
2nd August 2025
21AQI
21AQI
3rd August 2025
32AQI
32AQI
4th August 2025
44AQI
44AQI
36AQI
25AQI
20AQI
22AQI
20AQI
23AQI
25AQI
30AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202525AQI
30
1
28
31
30
31
30
31
4
215
1
Highest AQI recorded in
January36AQI
Lowest AQI recorded in
May20AQI
202424AQI
31
29
31
30
30
30
31
30
1
30
31
29
1
30
1
362
3
Highest AQI recorded in
August30AQI
Lowest AQI recorded in
June18AQI
202321AQI
31
28
31
30
31
30
30
1
26
5
30
31
29
30
357
6
Highest AQI recorded in
August29AQI
Lowest AQI recorded in
January15AQI
202225AQI
21
1
21
1
31
24
31
30
21
1
2
25
4
1
18
10
2
1
26
4
31
281
19
3
3
Highest AQI recorded in
October48AQI
Lowest AQI recorded in
May14AQI
202118AQI
29
27
1
29
2
28
16
12
6
4
2
10
24
22
24
1
231
5
1
Highest AQI recorded in
August31AQI
Lowest AQI recorded in
June11AQI
202026AQI
7
20
18
30
31
31
20
1
3
5
1
31
29
31
248
1
3
5
1
Highest AQI recorded in
September61AQI
Lowest AQI recorded in
August18AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
26AQILeast Polluted Year Recorded
2021(Avg.)
18AQIBellingham's annual 2025 AQI (25) shows an average percentage change of 9.5% (worsened AQI) compared to previous years: 2020 (26), 2021 (18), 2022 (25), 2023 (21), 2024 (24).
