Oulu Center 2, Oulu, Pohjois Pohjanmaa, Finland 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
Oulu Center 2, Oulu, Pohjois Pohjanmaa, Finland
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
45AQILowest AQI recorded on
17th Aug 2024
5AQISame Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 28 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Oulu Center 2, Oulu, Pohjois Pohjanmaa, Finland
AQI
Day
Night
.
3 AM5th Aug 2025
11 PM
2 AM6th Aug 2025
Day time
Avg. Highest Time
9AM5th Aug
31AQI
Avg. Lowest Time
9PM5th Aug
26AQI
Night time
Avg. Highest Time
3AM5th Aug
29AQI
Avg. Lowest Time
11PM5th Aug
27AQI
In the last 24 hours,
Oulu Center 2's AQI reached its highest point of 31 at 9 AM during the Day, while the lowest point, 26, was recorded at 9 PM during the Day between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Oulu Center 2, Oulu, Pohjois Pohjanmaa, Finland
JulAug
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th
Day
Night
7th Jul 2025163 AMAQI
7th Jul 2025154 AMAQI
7th Jul 2025165 AMAQI
7th Jul 2025166 AMAQI
7th Jul 2025167 AMAQI
7th Jul 2025168 AMAQI
7th Jul 2025169 AMAQI
7th Jul 20251610 AMAQI
7th Jul 20251611 AMAQI
7th Jul 20251612 PMAQI
7th Jul 2025171 PMAQI
7th Jul 2025182 PMAQI
7th Jul 2025173 PMAQI
7th Jul 2025174 PMAQI
7th Jul 2025175 PMAQI
7th Jul 2025176 PMAQI
7th Jul 2025197 PMAQI
7th Jul 2025158 PMAQI
7th Jul 2025179 PMAQI
7th Jul 20251710 PMAQI
7th Jul 20251811 PMAQI
8th Jul 20251812 AMAQI
8th Jul 2025171 AMAQI
8th Jul 2025182 AMAQI
11°C10/13°C
8th Jul 2025173 AMAQI
8th Jul 2025164 AMAQI
8th Jul 2025185 AMAQI
8th Jul 2025186 AMAQI
8th Jul 2025187 AMAQI
8th Jul 2025188 AMAQI
8th Jul 2025189 AMAQI
8th Jul 20251810 AMAQI
8th Jul 20251811 AMAQI
8th Jul 20251812 PMAQI
8th Jul 2025161 PMAQI
8th Jul 2025162 PMAQI
8th Jul 2025173 PMAQI
8th Jul 2025174 PMAQI
8th Jul 2025185 PMAQI
8th Jul 2025186 PMAQI
8th Jul 2025187 PMAQI
8th Jul 2025188 PMAQI
8th Jul 2025179 PMAQI
8th Jul 20251810 PMAQI
8th Jul 20251811 PMAQI
9th Jul 20251812 AMAQI
9th Jul 2025181 AMAQI
9th Jul 2025182 AMAQI
12°C9/15°C
9th Jul 2025183 AMAQI
9th Jul 2025204 AMAQI
9th Jul 2025175 AMAQI
9th Jul 2025166 AMAQI
9th Jul 2025177 AMAQI
9th Jul 2025178 AMAQI
9th Jul 2025179 AMAQI
9th Jul 20251810 AMAQI
9th Jul 20251611 AMAQI
9th Jul 20251612 PMAQI
9th Jul 2025161 PMAQI
9th Jul 2025172 PMAQI
9th Jul 2025173 PMAQI
9th Jul 2025174 PMAQI
9th Jul 2025175 PMAQI
9th Jul 2025176 PMAQI
9th Jul 2025187 PMAQI
9th Jul 2025178 PMAQI
9th Jul 2025179 PMAQI
9th Jul 20251710 PMAQI
9th Jul 20251711 PMAQI
10th Jul 20251712 AMAQI
10th Jul 2025171 AMAQI
10th Jul 2025172 AMAQI
13°C11/15°C
10th Jul 2025223 AMAQI
10th Jul 2025284 AMAQI
10th Jul 2025335 AMAQI
10th Jul 2025246 AMAQI
10th Jul 2025207 AMAQI
10th Jul 2025228 AMAQI
10th Jul 2025229 AMAQI
10th Jul 20252110 AMAQI
10th Jul 20252011 AMAQI
10th Jul 20251912 PMAQI
10th Jul 2025181 PMAQI
10th Jul 2025192 PMAQI
10th Jul 2025203 PMAQI
10th Jul 2025214 PMAQI
10th Jul 2025205 PMAQI
10th Jul 2025206 PMAQI
10th Jul 2025217 PMAQI
10th Jul 2025218 PMAQI
10th Jul 2025219 PMAQI
10th Jul 20252110 PMAQI
10th Jul 20252111 PMAQI
11th Jul 20252112 AMAQI
11th Jul 2025211 AMAQI
11th Jul 2025212 AMAQI
15°C10/19°C
11th Jul 2025293 AMAQI
11th Jul 2025244 AMAQI
11th Jul 2025225 AMAQI
11th Jul 2025256 AMAQI
11th Jul 2025327 AMAQI
11th Jul 2025408 AMAQI
11th Jul 2025349 AMAQI
11th Jul 20252710 AMAQI
11th Jul 20252511 AMAQI
11th Jul 20252412 PMAQI
11th Jul 2025241 PMAQI
11th Jul 2025242 PMAQI
11th Jul 2025243 PMAQI
11th Jul 2025244 PMAQI
11th Jul 2025245 PMAQI
11th Jul 2025256 PMAQI
11th Jul 2025257 PMAQI
11th Jul 2025248 PMAQI
11th Jul 2025249 PMAQI
11th Jul 20252410 PMAQI
11th Jul 20252511 PMAQI
12th Jul 20252512 AMAQI
12th Jul 2025241 AMAQI
12th Jul 2025242 AMAQI
18°C12/22°C
12th Jul 2025423 AMAQI
12th Jul 2025484 AMAQI
12th Jul 2025345 AMAQI
12th Jul 2025316 AMAQI
12th Jul 2025327 AMAQI
12th Jul 2025288 AMAQI
12th Jul 2025269 AMAQI
12th Jul 20252610 AMAQI
12th Jul 20252611 AMAQI
12th Jul 20252612 PMAQI
12th Jul 2025251 PMAQI
12th Jul 2025282 PMAQI
12th Jul 2025283 PMAQI
12th Jul 2025284 PMAQI
12th Jul 2025295 PMAQI
12th Jul 2025306 PMAQI
12th Jul 2025307 PMAQI
12th Jul 2025318 PMAQI
12th Jul 2025319 PMAQI
12th Jul 20253210 PMAQI
12th Jul 20253311 PMAQI
13th Jul 20253312 AMAQI
13th Jul 2025311 AMAQI
13th Jul 2025282 AMAQI
18°C13/22°C
13th Jul 2025313 AMAQI
13th Jul 2025324 AMAQI
13th Jul 2025315 AMAQI
13th Jul 2025326 AMAQI
13th Jul 2025307 AMAQI
13th Jul 2025308 AMAQI
13th Jul 2025289 AMAQI
13th Jul 20253010 AMAQI
13th Jul 20252911 AMAQI
13th Jul 20253012 PMAQI
13th Jul 2025281 PMAQI
13th Jul 2025292 PMAQI
13th Jul 2025283 PMAQI
13th Jul 2025304 PMAQI
13th Jul 2025275 PMAQI
13th Jul 2025306 PMAQI
13th Jul 2025307 PMAQI
13th Jul 2025308 PMAQI
13th Jul 2025309 PMAQI
13th Jul 20253010 PMAQI
13th Jul 20252911 PMAQI
14th Jul 20253012 AMAQI
14th Jul 2025291 AMAQI
14th Jul 2025282 AMAQI
21°C15/25°C
14th Jul 2025353 AMAQI
14th Jul 2025354 AMAQI
14th Jul 2025365 AMAQI
14th Jul 2025366 AMAQI
14th Jul 2025517 AMAQI
14th Jul 2025438 AMAQI
14th Jul 2025469 AMAQI
14th Jul 20254410 AMAQI
14th Jul 20254511 AMAQI
14th Jul 20253912 PMAQI
14th Jul 2025381 PMAQI
14th Jul 2025322 PMAQI
14th Jul 2025323 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025315 PMAQI
14th Jul 2025326 PMAQI
14th Jul 2025307 PMAQI
14th Jul 2025328 PMAQI
14th Jul 2025309 PMAQI
14th Jul 20253210 PMAQI
14th Jul 20253411 PMAQI
15th Jul 20253412 AMAQI
15th Jul 2025361 AMAQI
15th Jul 2025372 AMAQI
22°C17/25°C
15th Jul 2025323 AMAQI
15th Jul 2025324 AMAQI
15th Jul 2025325 AMAQI
15th Jul 2025336 AMAQI
15th Jul 2025347 AMAQI
15th Jul 2025358 AMAQI
15th Jul 2025369 AMAQI
15th Jul 20253810 AMAQI
15th Jul 20253811 AMAQI
15th Jul 20254112 PMAQI
15th Jul 2025381 PMAQI
15th Jul 2025382 PMAQI
15th Jul 2025323 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025325 PMAQI
15th Jul 2025326 PMAQI
15th Jul 2025307 PMAQI
15th Jul 2025318 PMAQI
15th Jul 2025309 PMAQI
15th Jul 20253210 PMAQI
15th Jul 20253411 PMAQI
16th Jul 20253412 AMAQI
16th Jul 2025351 AMAQI
16th Jul 2025352 AMAQI
21°C17/24°C
16th Jul 2025343 AMAQI
16th Jul 2025334 AMAQI
16th Jul 2025325 AMAQI
16th Jul 2025306 AMAQI
16th Jul 2025317 AMAQI
16th Jul 2025318 AMAQI
16th Jul 2025309 AMAQI
16th Jul 20252910 AMAQI
16th Jul 20253011 AMAQI
16th Jul 20252812 PMAQI
16th Jul 2025291 PMAQI
16th Jul 2025292 PMAQI
16th Jul 2025303 PMAQI
16th Jul 2025304 PMAQI
16th Jul 2025305 PMAQI
16th Jul 2025306 PMAQI
16th Jul 2025307 PMAQI
16th Jul 2025318 PMAQI
16th Jul 2025309 PMAQI
16th Jul 20253010 PMAQI
16th Jul 20253111 PMAQI
17th Jul 20253212 AMAQI
17th Jul 2025321 AMAQI
17th Jul 2025322 AMAQI
20°C16/23°C
17th Jul 2025323 AMAQI
17th Jul 2025264 AMAQI
17th Jul 2025245 AMAQI
17th Jul 2025266 AMAQI
17th Jul 2025287 AMAQI
17th Jul 2025288 AMAQI
17th Jul 2025289 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20252811 AMAQI
17th Jul 20252812 PMAQI
17th Jul 2025261 PMAQI
17th Jul 2025282 PMAQI
17th Jul 2025273 PMAQI
17th Jul 2025284 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025287 PMAQI
17th Jul 2025288 PMAQI
17th Jul 2025279 PMAQI
17th Jul 20252810 PMAQI
17th Jul 20252811 PMAQI
18th Jul 20252812 AMAQI
18th Jul 2025281 AMAQI
18th Jul 2025282 AMAQI
19°C15/22°C
18th Jul 2025283 AMAQI
18th Jul 2025264 AMAQI
18th Jul 2025275 AMAQI
18th Jul 2025266 AMAQI
18th Jul 2025267 AMAQI
18th Jul 2025268 AMAQI
18th Jul 2025279 AMAQI
18th Jul 20252710 AMAQI
18th Jul 20252611 AMAQI
18th Jul 20252812 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025252 PMAQI
18th Jul 2025263 PMAQI
18th Jul 2025264 PMAQI
18th Jul 2025265 PMAQI
18th Jul 2025266 PMAQI
18th Jul 2025257 PMAQI
18th Jul 2025248 PMAQI
18th Jul 2025269 PMAQI
18th Jul 20253010 PMAQI
18th Jul 20252711 PMAQI
19th Jul 20252712 AMAQI
19th Jul 2025361 AMAQI
19th Jul 2025282 AMAQI
19°C14/22°C
19th Jul 2025283 AMAQI
19th Jul 2025274 AMAQI
19th Jul 2025305 AMAQI
19th Jul 2025296 AMAQI
19th Jul 2025307 AMAQI
19th Jul 2025288 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20252710 AMAQI
19th Jul 20252711 AMAQI
19th Jul 20252712 PMAQI
19th Jul 2025261 PMAQI
19th Jul 2025282 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025295 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025289 PMAQI
19th Jul 20252910 PMAQI
19th Jul 20252911 PMAQI
20th Jul 20252912 AMAQI
20th Jul 2025321 AMAQI
20th Jul 2025302 AMAQI
18°C15/21°C
20th Jul 2025343 AMAQI
20th Jul 2025394 AMAQI
20th Jul 2025405 AMAQI
20th Jul 2025396 AMAQI
20th Jul 2025357 AMAQI
20th Jul 2025348 AMAQI
20th Jul 2025339 AMAQI
20th Jul 20253210 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20253112 PMAQI
20th Jul 2025341 PMAQI
20th Jul 2025352 PMAQI
20th Jul 2025343 PMAQI
20th Jul 2025324 PMAQI
20th Jul 2025345 PMAQI
20th Jul 2025356 PMAQI
20th Jul 2025337 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025329 PMAQI
20th Jul 20253210 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025351 AMAQI
21st Jul 2025352 AMAQI
21°C15/27°C
21st Jul 2025333 AMAQI
21st Jul 2025344 AMAQI
21st Jul 2025345 AMAQI
21st Jul 2025336 AMAQI
21st Jul 2025327 AMAQI
21st Jul 2025348 AMAQI
21st Jul 2025349 AMAQI
21st Jul 20253410 AMAQI
21st Jul 20253611 AMAQI
21st Jul 20253312 PMAQI
21st Jul 2025321 PMAQI
21st Jul 2025322 PMAQI
21st Jul 2025333 PMAQI
21st Jul 2025334 PMAQI
21st Jul 2025365 PMAQI
21st Jul 2025366 PMAQI
21st Jul 2025367 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253412 AMAQI
22nd Jul 2025341 AMAQI
22nd Jul 2025342 AMAQI
22°C16/26°C
22nd Jul 2025383 AMAQI
22nd Jul 2025424 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025366 AMAQI
22nd Jul 2025357 AMAQI
22nd Jul 2025368 AMAQI
22nd Jul 2025399 AMAQI
22nd Jul 20254310 AMAQI
22nd Jul 20254111 AMAQI
22nd Jul 20253612 PMAQI
22nd Jul 2025391 PMAQI
22nd Jul 2025402 PMAQI
22nd Jul 2025403 PMAQI
22nd Jul 2025404 PMAQI
22nd Jul 2025385 PMAQI
22nd Jul 2025396 PMAQI
22nd Jul 2025397 PMAQI
22nd Jul 2025398 PMAQI
22nd Jul 2025389 PMAQI
22nd Jul 20253910 PMAQI
22nd Jul 20254011 PMAQI
23rd Jul 20254012 AMAQI
23rd Jul 2025411 AMAQI
23rd Jul 2025392 AMAQI
21°C17/25°C
23rd Jul 2025403 AMAQI
23rd Jul 2025394 AMAQI
23rd Jul 2025385 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025438 AMAQI
23rd Jul 2025489 AMAQI
23rd Jul 20254810 AMAQI
23rd Jul 20254611 AMAQI
23rd Jul 20254512 PMAQI
23rd Jul 2025401 PMAQI
23rd Jul 2025382 PMAQI
23rd Jul 2025403 PMAQI
23rd Jul 2025404 PMAQI
23rd Jul 2025385 PMAQI
23rd Jul 2025406 PMAQI
23rd Jul 2025417 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025429 PMAQI
23rd Jul 20254210 PMAQI
23rd Jul 20254411 PMAQI
24th Jul 20254312 AMAQI
24th Jul 2025431 AMAQI
24th Jul 2025432 AMAQI
19°C16/21°C
24th Jul 2025473 AMAQI
24th Jul 2025494 AMAQI
24th Jul 2025505 AMAQI
24th Jul 2025496 AMAQI
24th Jul 2025477 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20255010 AMAQI
24th Jul 20254811 AMAQI
24th Jul 20254812 PMAQI
24th Jul 2025441 PMAQI
24th Jul 2025462 PMAQI
24th Jul 2025463 PMAQI
24th Jul 2025474 PMAQI
24th Jul 2025475 PMAQI
24th Jul 2025496 PMAQI
24th Jul 2025467 PMAQI
24th Jul 2025468 PMAQI
24th Jul 2025469 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20255111 PMAQI
25th Jul 20255212 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025522 AMAQI
20°C16/24°C
25th Jul 2025463 AMAQI
25th Jul 2025464 AMAQI
25th Jul 2025485 AMAQI
25th Jul 2025466 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025488 AMAQI
25th Jul 2025509 AMAQI
25th Jul 20255010 AMAQI
25th Jul 20254811 AMAQI
25th Jul 20254612 PMAQI
25th Jul 2025501 PMAQI
25th Jul 2025492 PMAQI
25th Jul 2025503 PMAQI
25th Jul 2025514 PMAQI
25th Jul 2025525 PMAQI
25th Jul 2025516 PMAQI
25th Jul 2025507 PMAQI
25th Jul 2025488 PMAQI
25th Jul 2025479 PMAQI
25th Jul 20255010 PMAQI
25th Jul 20255111 PMAQI
26th Jul 20255112 AMAQI
26th Jul 2025511 AMAQI
26th Jul 2025512 AMAQI
21°C17/24°C
26th Jul 2025483 AMAQI
26th Jul 2025444 AMAQI
26th Jul 2025425 AMAQI
26th Jul 2025466 AMAQI
26th Jul 2025477 AMAQI
26th Jul 2025478 AMAQI
26th Jul 2025469 AMAQI
26th Jul 20254410 AMAQI
26th Jul 20254411 AMAQI
26th Jul 20254512 PMAQI
26th Jul 2025451 PMAQI
26th Jul 2025442 PMAQI
26th Jul 2025443 PMAQI
26th Jul 2025444 PMAQI
26th Jul 2025435 PMAQI
26th Jul 2025446 PMAQI
26th Jul 2025457 PMAQI
26th Jul 2025458 PMAQI
26th Jul 2025429 PMAQI
26th Jul 20254610 PMAQI
26th Jul 20254811 PMAQI
27th Jul 20254912 AMAQI
27th Jul 2025481 AMAQI
27th Jul 2025482 AMAQI
19°C15/21°C
27th Jul 2025453 AMAQI
27th Jul 2025424 AMAQI
27th Jul 2025455 AMAQI
27th Jul 2025446 AMAQI
27th Jul 2025437 AMAQI
27th Jul 2025408 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20254210 AMAQI
27th Jul 20253811 AMAQI
27th Jul 20253912 PMAQI
27th Jul 2025391 PMAQI
27th Jul 2025412 PMAQI
27th Jul 2025413 PMAQI
27th Jul 2025424 PMAQI
27th Jul 2025435 PMAQI
27th Jul 2025436 PMAQI
27th Jul 2025447 PMAQI
27th Jul 2025428 PMAQI
27th Jul 2025429 PMAQI
27th Jul 20254410 PMAQI
27th Jul 20254411 PMAQI
28th Jul 20254512 AMAQI
28th Jul 2025451 AMAQI
28th Jul 2025462 AMAQI
19°C15/23°C
28th Jul 2025393 AMAQI
28th Jul 2025404 AMAQI
28th Jul 2025365 AMAQI
28th Jul 2025376 AMAQI
28th Jul 2025397 AMAQI
28th Jul 2025388 AMAQI
28th Jul 2025399 AMAQI
28th Jul 20254010 AMAQI
28th Jul 20253911 AMAQI
28th Jul 20254012 PMAQI
28th Jul 2025411 PMAQI
28th Jul 2025402 PMAQI
28th Jul 2025393 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025385 PMAQI
28th Jul 2025396 PMAQI
28th Jul 2025387 PMAQI
28th Jul 2025378 PMAQI
28th Jul 2025369 PMAQI
28th Jul 20253810 PMAQI
28th Jul 20254011 PMAQI
29th Jul 20254212 AMAQI
29th Jul 2025421 AMAQI
29th Jul 2025422 AMAQI
21°C17/26°C
29th Jul 2025363 AMAQI
29th Jul 2025384 AMAQI
29th Jul 2025425 AMAQI
29th Jul 2025356 AMAQI
29th Jul 2025347 AMAQI
29th Jul 2025368 AMAQI
29th Jul 2025399 AMAQI
29th Jul 20253810 AMAQI
29th Jul 20253711 AMAQI
29th Jul 20253812 PMAQI
29th Jul 2025371 PMAQI
29th Jul 2025382 PMAQI
29th Jul 2025393 PMAQI
29th Jul 2025384 PMAQI
29th Jul 2025385 PMAQI
29th Jul 2025396 PMAQI
29th Jul 2025387 PMAQI
29th Jul 2025388 PMAQI
29th Jul 2025389 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20254011 PMAQI
30th Jul 20253812 AMAQI
30th Jul 2025391 AMAQI
30th Jul 2025392 AMAQI
21°C17/25°C
30th Jul 2025383 AMAQI
30th Jul 2025364 AMAQI
30th Jul 2025375 AMAQI
30th Jul 2025386 AMAQI
30th Jul 2025367 AMAQI
30th Jul 2025378 AMAQI
30th Jul 2025389 AMAQI
30th Jul 20253610 AMAQI
30th Jul 20253811 AMAQI
30th Jul 20253612 PMAQI
30th Jul 2025371 PMAQI
30th Jul 2025362 PMAQI
30th Jul 2025383 PMAQI
30th Jul 2025384 PMAQI
30th Jul 2025385 PMAQI
30th Jul 2025386 PMAQI
30th Jul 2025387 PMAQI
30th Jul 2025398 PMAQI
30th Jul 2025399 PMAQI
30th Jul 20253910 PMAQI
30th Jul 20253911 PMAQI
31st Jul 20253912 AMAQI
31st Jul 2025391 AMAQI
31st Jul 2025392 AMAQI
21°C19/25°C
31st Jul 2025393 AMAQI
31st Jul 2025394 AMAQI
31st Jul 2025415 AMAQI
31st Jul 2025426 AMAQI
31st Jul 2025417 AMAQI
31st Jul 2025428 AMAQI
31st Jul 2025449 AMAQI
31st Jul 20254610 AMAQI
31st Jul 20254411 AMAQI
31st Jul 20254012 PMAQI
31st Jul 2025381 PMAQI
31st Jul 2025422 PMAQI
31st Jul 2025443 PMAQI
31st Jul 2025454 PMAQI
31st Jul 2025455 PMAQI
31st Jul 2025426 PMAQI
31st Jul 2025467 PMAQI
31st Jul 2025478 PMAQI
31st Jul 2025479 PMAQI
31st Jul 20254810 PMAQI
31st Jul 20254411 PMAQI
1st Aug 20254512 AMAQI
1st Aug 2025461 AMAQI
1st Aug 2025462 AMAQI
23°C18/28°C
1st Aug 2025513 AMAQI
1st Aug 2025444 AMAQI
1st Aug 2025465 AMAQI
1st Aug 2025436 AMAQI
1st Aug 2025497 AMAQI
1st Aug 2025488 AMAQI
1st Aug 2025509 AMAQI
1st Aug 20254410 AMAQI
1st Aug 20254811 AMAQI
1st Aug 20254712 PMAQI
1st Aug 2025431 PMAQI
1st Aug 2025422 PMAQI
1st Aug 2025433 PMAQI
1st Aug 2025444 PMAQI
1st Aug 2025435 PMAQI
1st Aug 2025416 PMAQI
1st Aug 2025427 PMAQI
1st Aug 2025468 PMAQI
1st Aug 2025419 PMAQI
1st Aug 20254410 PMAQI
1st Aug 20254311 PMAQI
2nd Aug 20254312 AMAQI
2nd Aug 2025451 AMAQI
2nd Aug 2025432 AMAQI
23°C17/27°C
2nd Aug 2025403 AMAQI
2nd Aug 2025374 AMAQI
2nd Aug 2025405 AMAQI
2nd Aug 2025396 AMAQI
2nd Aug 2025437 AMAQI
2nd Aug 2025468 AMAQI
2nd Aug 2025489 AMAQI
2nd Aug 20254210 AMAQI
2nd Aug 20254511 AMAQI
2nd Aug 20254812 PMAQI
2nd Aug 2025491 PMAQI
2nd Aug 2025422 PMAQI
2nd Aug 2025443 PMAQI
2nd Aug 2025424 PMAQI
2nd Aug 2025395 PMAQI
2nd Aug 2025406 PMAQI
2nd Aug 2025457 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025359 PMAQI
2nd Aug 20253910 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20254212 AMAQI
3rd Aug 2025411 AMAQI
3rd Aug 2025402 AMAQI
22°C17/28°C
3rd Aug 2025343 AMAQI
3rd Aug 2025324 AMAQI
3rd Aug 2025315 AMAQI
3rd Aug 2025286 AMAQI
3rd Aug 2025317 AMAQI
3rd Aug 2025288 AMAQI
3rd Aug 2025279 AMAQI
3rd Aug 20252610 AMAQI
3rd Aug 20252411 AMAQI
3rd Aug 20252412 PMAQI
3rd Aug 2025271 PMAQI
3rd Aug 2025272 PMAQI
3rd Aug 2025313 PMAQI
3rd Aug 2025314 PMAQI
3rd Aug 2025325 PMAQI
3rd Aug 2025326 PMAQI
3rd Aug 2025317 PMAQI
3rd Aug 2025298 PMAQI
3rd Aug 2025289 PMAQI
3rd Aug 20253110 PMAQI
3rd Aug 20253211 PMAQI
4th Aug 20253212 AMAQI
4th Aug 2025311 AMAQI
4th Aug 2025322 AMAQI
18°C16/19°C
4th Aug 2025303 AMAQI
4th Aug 2025284 AMAQI
4th Aug 2025275 AMAQI
4th Aug 2025286 AMAQI
4th Aug 2025317 AMAQI
4th Aug 2025318 AMAQI
4th Aug 2025329 AMAQI
4th Aug 20253310 AMAQI
4th Aug 20253311 AMAQI
4th Aug 20253212 PMAQI
4th Aug 2025341 PMAQI
4th Aug 2025322 PMAQI
4th Aug 2025323 PMAQI
4th Aug 2025314 PMAQI
4th Aug 2025315 PMAQI
4th Aug 2025306 PMAQI
4th Aug 2025307 PMAQI
4th Aug 2025308 PMAQI
4th Aug 2025309 PMAQI
4th Aug 20253110 PMAQI
4th Aug 20252911 PMAQI
5th Aug 20253012 AMAQI
5th Aug 2025301 AMAQI
5th Aug 2025302 AMAQI
21°C15/26°C
5th Aug 2025293 AMAQI
5th Aug 2025284 AMAQI
5th Aug 2025285 AMAQI
5th Aug 2025306 AMAQI
5th Aug 2025297 AMAQI
5th Aug 2025308 AMAQI
5th Aug 2025319 AMAQI
5th Aug 20252810 AMAQI
5th Aug 20252811 AMAQI
5th Aug 20252912 PMAQI
5th Aug 2025271 PMAQI
5th Aug 2025262 PMAQI
5th Aug 2025283 PMAQI
5th Aug 2025284 PMAQI
5th Aug 2025285 PMAQI
5th Aug 2025276 PMAQI
5th Aug 2025267 PMAQI
5th Aug 2025288 PMAQI
5th Aug 2025269 PMAQI
5th Aug 20252810 PMAQI
5th Aug 20252711 PMAQI
6th Aug 20252912 AMAQI
6th Aug 2025291 AMAQI
6th Aug 2025282 AMAQI
20°C15/25°C
6th Aug 2025173 AMAQI
3 AM6th Aug 2025154 AMAQI
6th Aug 2025205 AMAQI
6th Aug 2025186 AMAQI
6th Aug 2025197 AMAQI
6th Aug 2025228 AMAQI
6th Aug 2025229 AMAQI
6th Aug 20252410 AMAQI
6th Aug 20252311 AMAQI
6th Aug 20252312 PMAQI
6th Aug 2025221 PMAQI
1 PM6th Aug 2025212 PMAQI
6th Aug 2025223 PMAQI
6th Aug 2025214 PMAQI
6th Aug 2025215 PMAQI
6th Aug 2025226 PMAQI
6th Aug 2025217 PMAQI
6th Aug 2025208 PMAQI
11 PM
1 AM
2 AM
--°C/°C
Day time
Avg. Highest Time
3 AM - 11 PM
33AQI
21 hours / Day
630 hours / Month
Avg. Lowest Time
3 AM - 9 PM
33AQI
19 hours / Day
570 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 11 PM (Avg. 33), while the lowest AQI was between 3 AM to 9 PM (Avg. 33).
Night time
Avg. Highest Time
12 AM - 2 AM
34AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 2 AM
34AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 34), while the lowest AQI was between 12 AM to 2 AM (Avg. 34).
2025 Days Vs Air Quality
Oulu Center 2, Oulu, Pohjois Pohjanmaa, Finland
2025
99%
214
1%
3
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
214 DaysModerate
3 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 218 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Oulu Center 2, Oulu, Pohjois Pohjanmaa, Finland
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
25AQI
25AQI
2nd January 2025
24AQI
24AQI
3rd January 2025
29AQI
29AQI
4th January 2025
26AQI
26AQI
5th January 2025
25AQI
25AQI
6th January 2025
23AQI
23AQI
7th January 2025
22AQI
22AQI
8th January 2025
23AQI
23AQI
9th January 2025
24AQI
24AQI
10th January 2025
32AQI
32AQI
11th January 2025
32AQI
32AQI
12th January 2025
30AQI
30AQI
13th January 2025
23AQI
23AQI
14th January 2025
22AQI
22AQI
15th January 2025
22AQI
22AQI
16th January 2025
20AQI
20AQI
17th January 2025
21AQI
21AQI
18th January 2025
23AQI
23AQI
19th January 2025
22AQI
22AQI
20th January 2025
38AQI
38AQI
21st January 2025
34AQI
34AQI
22nd January 2025
26AQI
26AQI
23rd January 2025
28AQI
28AQI
24th January 2025
25AQI
25AQI
25th January 2025
23AQI
23AQI
26th January 2025
23AQI
23AQI
27th January 2025
21AQI
21AQI
28th January 2025
22AQI
22AQI
29th January 2025
22AQI
22AQI
30th January 2025
21AQI
21AQI
31st January 2025
21AQI
21AQI
1st February 2025
21AQI
21AQI
2nd February 2025
21AQI
21AQI
3rd February 2025
22AQI
22AQI
4th February 2025
26AQI
26AQI
5th February 2025
23AQI
23AQI
6th February 2025
23AQI
23AQI
7th February 2025
23AQI
23AQI
8th February 2025
22AQI
22AQI
9th February 2025
23AQI
23AQI
10th February 2025
26AQI
26AQI
11th February 2025
25AQI
25AQI
12th February 2025
23AQI
23AQI
13th February 2025
23AQI
23AQI
14th February 2025
23AQI
23AQI
15th February 2025
24AQI
24AQI
16th February 2025
25AQI
25AQI
17th February 2025
27AQI
27AQI
18th February 2025
23AQI
23AQI
19th February 2025
25AQI
25AQI
20th February 2025
22AQI
22AQI
21st February 2025
24AQI
24AQI
22nd February 2025
27AQI
27AQI
23rd February 2025
38AQI
38AQI
24th February 2025
41AQI
41AQI
25th February 2025
42AQI
42AQI
26th February 2025
51AQI
51AQI
27th February 2025
41AQI
41AQI
28th February 2025
34AQI
34AQI
1st March 2025
29AQI
29AQI
2nd March 2025
23AQI
23AQI
3rd March 2025
23AQI
23AQI
4th March 2025
23AQI
23AQI
5th March 2025
23AQI
23AQI
6th March 2025
23AQI
23AQI
7th March 2025
23AQI
23AQI
8th March 2025
24AQI
24AQI
9th March 2025
29AQI
29AQI
10th March 2025
32AQI
32AQI
11th March 2025
46AQI
46AQI
12th March 2025
52AQI
52AQI
13th March 2025
56AQI
56AQI
14th March 2025
50AQI
50AQI
15th March 2025
37AQI
37AQI
16th March 2025
30AQI
30AQI
17th March 2025
25AQI
25AQI
18th March 2025
22AQI
22AQI
19th March 2025
20AQI
20AQI
20th March 2025
22AQI
22AQI
21st March 2025
38AQI
38AQI
22nd March 2025
29AQI
29AQI
23rd March 2025
30AQI
30AQI
24th March 2025
31AQI
31AQI
25th March 2025
31AQI
31AQI
26th March 2025
38AQI
38AQI
27th March 2025
32AQI
32AQI
28th March 2025
30AQI
30AQI
29th March 2025
34AQI
34AQI
30th March 2025
37AQI
37AQI
31st March 2025
42AQI
42AQI
1st April 2025
41AQI
41AQI
2nd April 2025
39AQI
39AQI
3rd April 2025
45AQI
45AQI
4th April 2025
34AQI
34AQI
5th April 2025
30AQI
30AQI
6th April 2025
28AQI
28AQI
7th April 2025
28AQI
28AQI
8th April 2025
35AQI
35AQI
9th April 2025
37AQI
37AQI
10th April 2025
27AQI
27AQI
11th April 2025
19AQI
19AQI
12th April 2025
16AQI
16AQI
13th April 2025
21AQI
21AQI
14th April 2025
25AQI
25AQI
15th April 2025
33AQI
33AQI
16th April 2025
36AQI
36AQI
17th April 2025
36AQI
36AQI
18th April 2025
31AQI
31AQI
19th April 2025
27AQI
27AQI
20th April 2025
19AQI
19AQI
21st April 2025
16AQI
16AQI
22nd April 2025
22AQI
22AQI
23rd April 2025
17AQI
17AQI
24th April 2025
18AQI
18AQI
25th April 2025
20AQI
20AQI
26th April 2025
19AQI
19AQI
27th April 2025
18AQI
18AQI
28th April 2025
24AQI
24AQI
29th April 2025
19AQI
19AQI
30th April 2025
24AQI
24AQI
1st May 2025
21AQI
21AQI
2nd May 2025
17AQI
17AQI
3rd May 2025
15AQI
15AQI
4th May 2025
14AQI
14AQI
5th May 2025
14AQI
14AQI
6th May 2025
15AQI
15AQI
7th May 2025
15AQI
15AQI
8th May 2025
17AQI
17AQI
9th May 2025
16AQI
16AQI
10th May 2025
18AQI
18AQI
11th May 2025
19AQI
19AQI
12th May 2025
20AQI
20AQI
13th May 2025
21AQI
21AQI
14th May 2025
18AQI
18AQI
15th May 2025
18AQI
18AQI
16th May 2025
20AQI
20AQI
17th May 2025
18AQI
18AQI
18th May 2025
18AQI
18AQI
19th May 2025
19AQI
19AQI
20th May 2025
18AQI
18AQI
21st May 2025
14AQI
14AQI
22nd May 2025
15AQI
15AQI
23rd May 2025
18AQI
18AQI
24th May 2025
17AQI
17AQI
25th May 2025
18AQI
18AQI
26th May 2025
18AQI
18AQI
27th May 2025
22AQI
22AQI
28th May 2025
21AQI
21AQI
29th May 2025
23AQI
23AQI
30th May 2025
21AQI
21AQI
31st May 2025
19AQI
19AQI
1st June 2025
16AQI
16AQI
2nd June 2025
16AQI
16AQI
3rd June 2025
19AQI
19AQI
4th June 2025
18AQI
18AQI
5th June 2025
21AQI
21AQI
6th June 2025
19AQI
19AQI
7th June 2025
19AQI
19AQI
8th June 2025
17AQI
17AQI
9th June 2025
17AQI
17AQI
10th June 2025
17AQI
17AQI
11th June 2025
19AQI
19AQI
12th June 2025
24AQI
24AQI
13th June 2025
20AQI
20AQI
14th June 2025
21AQI
21AQI
15th June 2025
22AQI
22AQI
16th June 2025
21AQI
21AQI
17th June 2025
24AQI
24AQI
18th June 2025
21AQI
21AQI
19th June 2025
18AQI
18AQI
20th June 2025
18AQI
18AQI
21st June 2025
18AQI
18AQI
22nd June 2025
19AQI
19AQI
23rd June 2025
19AQI
19AQI
24th June 2025
19AQI
19AQI
25th June 2025
18AQI
18AQI
26th June 2025
17AQI
17AQI
27th June 2025
18AQI
18AQI
28th June 2025
19AQI
19AQI
29th June 2025
17AQI
17AQI
30th June 2025
16AQI
16AQI
1st July 2025
16AQI
16AQI
2nd July 2025
17AQI
17AQI
3rd July 2025
15AQI
15AQI
4th July 2025
16AQI
16AQI
5th July 2025
16AQI
16AQI
6th July 2025
16AQI
16AQI
7th July 2025
17AQI
17AQI
8th July 2025
17AQI
17AQI
9th July 2025
17AQI
17AQI
10th July 2025
21AQI
21AQI
11th July 2025
25AQI
25AQI
12th July 2025
30AQI
30AQI
13th July 2025
30AQI
30AQI
14th July 2025
35AQI
35AQI
15th July 2025
34AQI
34AQI
16th July 2025
31AQI
31AQI
17th July 2025
28AQI
28AQI
18th July 2025
27AQI
27AQI
19th July 2025
28AQI
28AQI
20th July 2025
34AQI
34AQI
21st July 2025
34AQI
34AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
41AQI
41AQI
24th July 2025
47AQI
47AQI
25th July 2025
49AQI
49AQI
26th July 2025
46AQI
46AQI
27th July 2025
43AQI
43AQI
28th July 2025
39AQI
39AQI
29th July 2025
38AQI
38AQI
30th July 2025
38AQI
38AQI
31st July 2025
43AQI
43AQI
1st August 2025
45AQI
45AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
31AQI
31AQI
4th August 2025
31AQI
31AQI
5th August 2025
28AQI
28AQI
25AQI
27AQI
32AQI
27AQI
18AQI
19AQI
30AQI
35AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202526AQI
31
27
1
29
2
30
31
30
31
5
214
3
Highest AQI recorded in
August35AQI
Lowest AQI recorded in
May18AQI
202414AQI
31
29
30
1
30
31
30
31
31
30
31
30
31
365
1
Highest AQI recorded in
December24AQI
Lowest AQI recorded in
July9AQI
202312AQI
31
28
31
30
30
1
30
31
31
28
30
1
29
31
360
2
Highest AQI recorded in
May21AQI
Lowest AQI recorded in
July8AQI
202211AQI
20
21
31
17
31
30
23
3
29
31
30
30
296
Highest AQI recorded in
April18AQI
Lowest AQI recorded in
February6AQI
202123AQI
31
26
2
30
1
29
1
30
1
29
1
30
1
31
30
31
29
1
31
357
8
Highest AQI recorded in
June28AQI
Lowest AQI recorded in
September17AQI
202023AQI
13
21
18
30
30
31
28
2
31
30
31
263
2
Highest AQI recorded in
March31AQI
Lowest AQI recorded in
November18AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
26AQILeast Polluted Year Recorded
2022(Avg.)
11AQIOulu Center 2's annual 2025 AQI (26) shows an average percentage change of 70.9% (worsened AQI) compared to previous years: 2020 (23), 2021 (23), 2022 (11), 2023 (12), 2024 (14).
