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+
November Air Quality Analysis
Oulu, Pohjois Pohjanmaa, Finland
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Nov 2021
41AQILowest AQI recorded on
2nd Nov 2024
5AQISame Day Analysis (21st November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 16 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Nov - 22nd Nov 2025
Oulu, Pohjois Pohjanmaa, Finland
AQI
Day
Night
.
8 AM21st Nov 2025
3 PM
7 AM22nd Nov 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
8PM21st Nov
30AQI
Avg. Lowest Time
11AM21st Nov
14AQI
In the last 24 hours,
Oulu's AQI reached its highest point of 30 at 8 PM during the Night, while the lowest point, undefined, was recorded at 7 AM during the Night between 21st Nov and 22nd Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Oulu, Pohjois Pohjanmaa, Finland
OctNov
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
23rd Oct 2025378 AMAQI
23rd Oct 2025349 AMAQI
23rd Oct 20253210 AMAQI
23rd Oct 20253611 AMAQI
23rd Oct 20253812 PMAQI
23rd Oct 2025381 PMAQI
23rd Oct 2025342 PMAQI
23rd Oct 2025293 PMAQI
23rd Oct 2025274 PMAQI
23rd Oct 2025285 PMAQI
23rd Oct 2025346 PMAQI
23rd Oct 2025387 PMAQI
23rd Oct 2025338 PMAQI
23rd Oct 2025319 PMAQI
23rd Oct 20253510 PMAQI
23rd Oct 20253611 PMAQI
24th Oct 20253512 AMAQI
24th Oct 2025351 AMAQI
24th Oct 2025302 AMAQI
24th Oct 2025273 AMAQI
24th Oct 2025224 AMAQI
24th Oct 2025175 AMAQI
24th Oct 2025166 AMAQI
24th Oct 2025177 AMAQI
7°C7/7°C
24th Oct 2025168 AMAQI
24th Oct 2025219 AMAQI
24th Oct 20252310 AMAQI
24th Oct 20252211 AMAQI
24th Oct 20252512 PMAQI
24th Oct 2025231 PMAQI
24th Oct 2025182 PMAQI
24th Oct 2025223 PMAQI
24th Oct 2025244 PMAQI
24th Oct 2025225 PMAQI
24th Oct 2025266 PMAQI
24th Oct 2025267 PMAQI
24th Oct 2025238 PMAQI
24th Oct 2025309 PMAQI
24th Oct 20253510 PMAQI
24th Oct 20253311 PMAQI
25th Oct 20253312 AMAQI
25th Oct 2025291 AMAQI
25th Oct 2025282 AMAQI
25th Oct 2025313 AMAQI
25th Oct 2025324 AMAQI
25th Oct 2025275 AMAQI
25th Oct 2025276 AMAQI
25th Oct 2025297 AMAQI
7°C6/7°C
25th Oct 2025278 AMAQI
25th Oct 2025289 AMAQI
25th Oct 20252910 AMAQI
25th Oct 20253011 AMAQI
25th Oct 20253412 PMAQI
25th Oct 2025271 PMAQI
25th Oct 2025212 PMAQI
25th Oct 2025223 PMAQI
25th Oct 2025204 PMAQI
25th Oct 2025185 PMAQI
25th Oct 2025166 PMAQI
25th Oct 2025147 PMAQI
25th Oct 2025148 PMAQI
25th Oct 2025179 PMAQI
25th Oct 20251610 PMAQI
25th Oct 20251511 PMAQI
26th Oct 20251812 AMAQI
26th Oct 2025161 AMAQI
26th Oct 2025122 AMAQI
26th Oct 2025113 AMAQI
26th Oct 2025114 AMAQI
26th Oct 2025115 AMAQI
26th Oct 2025126 AMAQI
26th Oct 2025167 AMAQI
7°C7/8°C
26th Oct 2025168 AMAQI
26th Oct 2025149 AMAQI
26th Oct 20251410 AMAQI
26th Oct 20251311 AMAQI
26th Oct 20251712 PMAQI
26th Oct 2025131 PMAQI
26th Oct 2025132 PMAQI
26th Oct 2025163 PMAQI
26th Oct 2025124 PMAQI
26th Oct 2025155 PMAQI
26th Oct 2025156 PMAQI
26th Oct 2025157 PMAQI
26th Oct 2025188 PMAQI
26th Oct 2025199 PMAQI
26th Oct 20251610 PMAQI
26th Oct 20251411 PMAQI
27th Oct 20251412 AMAQI
27th Oct 2025151 AMAQI
27th Oct 2025142 AMAQI
27th Oct 2025113 AMAQI
27th Oct 2025114 AMAQI
27th Oct 2025115 AMAQI
27th Oct 2025116 AMAQI
27th Oct 2025117 AMAQI
8°C7/8°C
27th Oct 2025118 AMAQI
27th Oct 2025119 AMAQI
27th Oct 20251210 AMAQI
27th Oct 20251211 AMAQI
27th Oct 20251812 PMAQI
27th Oct 2025181 PMAQI
27th Oct 2025152 PMAQI
27th Oct 2025143 PMAQI
27th Oct 2025224 PMAQI
27th Oct 2025165 PMAQI
27th Oct 2025186 PMAQI
27th Oct 2025237 PMAQI
27th Oct 2025188 PMAQI
27th Oct 2025149 PMAQI
27th Oct 20251910 PMAQI
27th Oct 20251911 PMAQI
28th Oct 20252112 AMAQI
28th Oct 2025181 AMAQI
28th Oct 2025182 AMAQI
28th Oct 2025173 AMAQI
28th Oct 2025154 AMAQI
28th Oct 2025155 AMAQI
28th Oct 2025166 AMAQI
28th Oct 2025177 AMAQI
7°C7/8°C
28th Oct 2025168 AMAQI
28th Oct 2025169 AMAQI
28th Oct 20251910 AMAQI
28th Oct 20251911 AMAQI
28th Oct 20252012 PMAQI
28th Oct 2025221 PMAQI
28th Oct 2025222 PMAQI
28th Oct 2025223 PMAQI
28th Oct 2025214 PMAQI
28th Oct 2025185 PMAQI
28th Oct 2025156 PMAQI
28th Oct 2025157 PMAQI
28th Oct 2025188 PMAQI
28th Oct 2025219 PMAQI
28th Oct 20253210 PMAQI
28th Oct 20252711 PMAQI
29th Oct 20251812 AMAQI
29th Oct 2025141 AMAQI
29th Oct 2025162 AMAQI
29th Oct 2025183 AMAQI
29th Oct 2025164 AMAQI
29th Oct 2025135 AMAQI
29th Oct 2025176 AMAQI
29th Oct 2025167 AMAQI
6°C5/7°C
29th Oct 2025148 AMAQI
29th Oct 2025199 AMAQI
29th Oct 20251810 AMAQI
29th Oct 20252011 AMAQI
29th Oct 20252412 PMAQI
29th Oct 2025231 PMAQI
29th Oct 2025202 PMAQI
29th Oct 2025243 PMAQI
29th Oct 2025214 PMAQI
29th Oct 2025175 PMAQI
29th Oct 2025216 PMAQI
29th Oct 2025247 PMAQI
29th Oct 2025248 PMAQI
29th Oct 2025249 PMAQI
29th Oct 20253110 PMAQI
29th Oct 20253311 PMAQI
30th Oct 20253512 AMAQI
30th Oct 2025331 AMAQI
30th Oct 2025232 AMAQI
30th Oct 2025213 AMAQI
30th Oct 2025204 AMAQI
30th Oct 2025195 AMAQI
30th Oct 2025176 AMAQI
30th Oct 2025187 AMAQI
6°C5/6°C
30th Oct 2025228 AMAQI
30th Oct 2025199 AMAQI
30th Oct 20251910 AMAQI
30th Oct 20252411 AMAQI
30th Oct 20252712 PMAQI
30th Oct 2025211 PMAQI
30th Oct 2025222 PMAQI
30th Oct 2025183 PMAQI
30th Oct 2025184 PMAQI
30th Oct 2025285 PMAQI
30th Oct 2025276 PMAQI
30th Oct 2025237 PMAQI
30th Oct 2025218 PMAQI
30th Oct 2025229 PMAQI
30th Oct 20252610 PMAQI
30th Oct 20252111 PMAQI
31st Oct 20252112 AMAQI
31st Oct 2025171 AMAQI
31st Oct 2025202 AMAQI
31st Oct 2025183 AMAQI
31st Oct 2025174 AMAQI
31st Oct 2025175 AMAQI
31st Oct 2025196 AMAQI
31st Oct 2025177 AMAQI
5°C4/5°C
31st Oct 2025168 AMAQI
31st Oct 2025199 AMAQI
31st Oct 20251710 AMAQI
31st Oct 20251911 AMAQI
31st Oct 20252612 PMAQI
31st Oct 2025231 PMAQI
31st Oct 2025212 PMAQI
31st Oct 2025243 PMAQI
31st Oct 2025224 PMAQI
31st Oct 2025195 PMAQI
31st Oct 2025186 PMAQI
31st Oct 2025207 PMAQI
31st Oct 2025218 PMAQI
31st Oct 2025259 PMAQI
31st Oct 20253310 PMAQI
31st Oct 20252711 PMAQI
1st Nov 20252412 AMAQI
1st Nov 2025251 AMAQI
1st Nov 2025212 AMAQI
1st Nov 2025193 AMAQI
1st Nov 2025164 AMAQI
1st Nov 2025215 AMAQI
1st Nov 2025196 AMAQI
1st Nov 2025127 AMAQI
5°C4/6°C
1st Nov 2025138 AMAQI
1st Nov 2025199 AMAQI
1st Nov 20251910 AMAQI
1st Nov 20252011 AMAQI
1st Nov 20252212 PMAQI
1st Nov 2025191 PMAQI
1st Nov 2025182 PMAQI
1st Nov 2025153 PMAQI
1st Nov 2025204 PMAQI
1st Nov 2025205 PMAQI
1st Nov 2025186 PMAQI
1st Nov 2025207 PMAQI
1st Nov 2025278 PMAQI
1st Nov 2025279 PMAQI
1st Nov 20253610 PMAQI
1st Nov 20253611 PMAQI
2nd Nov 20253512 AMAQI
2nd Nov 2025211 AMAQI
2nd Nov 2025162 AMAQI
2nd Nov 2025163 AMAQI
2nd Nov 2025164 AMAQI
2nd Nov 2025115 AMAQI
2nd Nov 2025116 AMAQI
2nd Nov 2025117 AMAQI
5°C4/6°C
2nd Nov 2025118 AMAQI
2nd Nov 2025119 AMAQI
2nd Nov 20251110 AMAQI
2nd Nov 20251311 AMAQI
2nd Nov 20251612 PMAQI
2nd Nov 2025171 PMAQI
2nd Nov 2025142 PMAQI
2nd Nov 2025173 PMAQI
2nd Nov 2025174 PMAQI
2nd Nov 2025155 PMAQI
2nd Nov 2025116 PMAQI
2nd Nov 2025147 PMAQI
2nd Nov 2025128 PMAQI
2nd Nov 2025129 PMAQI
2nd Nov 20251410 PMAQI
2nd Nov 20251711 PMAQI
3rd Nov 20251512 AMAQI
3rd Nov 2025171 AMAQI
3rd Nov 2025182 AMAQI
3rd Nov 2025123 AMAQI
3rd Nov 2025124 AMAQI
3rd Nov 2025135 AMAQI
3rd Nov 2025136 AMAQI
3rd Nov 2025137 AMAQI
5°C4/6°C
3rd Nov 2025148 AMAQI
3rd Nov 2025139 AMAQI
3rd Nov 20251510 AMAQI
3rd Nov 20251611 AMAQI
3rd Nov 20251612 PMAQI
3rd Nov 2025151 PMAQI
3rd Nov 2025152 PMAQI
3rd Nov 2025153 PMAQI
3rd Nov 2025144 PMAQI
3rd Nov 2025155 PMAQI
3rd Nov 2025176 PMAQI
3rd Nov 2025197 PMAQI
3rd Nov 2025238 PMAQI
3rd Nov 2025239 PMAQI
3rd Nov 20252410 PMAQI
3rd Nov 20252211 PMAQI
4th Nov 20251812 AMAQI
4th Nov 2025221 AMAQI
4th Nov 2025242 AMAQI
4th Nov 2025173 AMAQI
4th Nov 2025164 AMAQI
4th Nov 2025195 AMAQI
4th Nov 2025136 AMAQI
4th Nov 2025147 AMAQI
7°C6/7°C
4th Nov 2025208 AMAQI
4th Nov 2025199 AMAQI
4th Nov 20251810 AMAQI
4th Nov 20251911 AMAQI
4th Nov 20252012 PMAQI
4th Nov 2025181 PMAQI
4th Nov 2025162 PMAQI
4th Nov 2025193 PMAQI
4th Nov 2025194 PMAQI
4th Nov 2025175 PMAQI
4th Nov 2025176 PMAQI
4th Nov 2025187 PMAQI
4th Nov 2025168 PMAQI
4th Nov 2025129 PMAQI
4th Nov 20251610 PMAQI
4th Nov 20251411 PMAQI
5th Nov 20251212 AMAQI
5th Nov 2025191 AMAQI
5th Nov 2025182 AMAQI
5th Nov 2025173 AMAQI
5th Nov 2025164 AMAQI
5th Nov 2025185 AMAQI
5th Nov 2025216 AMAQI
5th Nov 2025207 AMAQI
7°C6/7°C
5th Nov 2025238 AMAQI
5th Nov 2025239 AMAQI
5th Nov 20252310 AMAQI
5th Nov 20251611 AMAQI
5th Nov 20252212 PMAQI
5th Nov 2025181 PMAQI
5th Nov 2025172 PMAQI
5th Nov 2025183 PMAQI
5th Nov 2025134 PMAQI
5th Nov 2025125 PMAQI
5th Nov 2025156 PMAQI
5th Nov 2025167 PMAQI
5th Nov 2025178 PMAQI
5th Nov 2025189 PMAQI
5th Nov 20251910 PMAQI
5th Nov 20252111 PMAQI
6th Nov 20251912 AMAQI
6th Nov 2025231 AMAQI
6th Nov 2025212 AMAQI
6th Nov 2025213 AMAQI
6th Nov 2025204 AMAQI
6th Nov 2025165 AMAQI
6th Nov 2025156 AMAQI
6th Nov 2025147 AMAQI
7°C7/8°C
6th Nov 2025188 AMAQI
6th Nov 2025179 AMAQI
6th Nov 20251610 AMAQI
6th Nov 20252011 AMAQI
6th Nov 20252112 PMAQI
6th Nov 2025181 PMAQI
6th Nov 2025212 PMAQI
6th Nov 2025203 PMAQI
6th Nov 2025184 PMAQI
6th Nov 2025165 PMAQI
6th Nov 2025226 PMAQI
6th Nov 2025247 PMAQI
6th Nov 2025208 PMAQI
6th Nov 2025199 PMAQI
6th Nov 20252210 PMAQI
6th Nov 20252211 PMAQI
7th Nov 20252612 AMAQI
7th Nov 2025231 AMAQI
7th Nov 2025212 AMAQI
7th Nov 2025233 AMAQI
7th Nov 2025194 AMAQI
7th Nov 2025175 AMAQI
7th Nov 2025186 AMAQI
7th Nov 2025137 AMAQI
6°C6/7°C
7th Nov 2025158 AMAQI
7th Nov 2025169 AMAQI
7th Nov 20252010 AMAQI
7th Nov 20252311 AMAQI
7th Nov 20252212 PMAQI
7th Nov 2025181 PMAQI
7th Nov 2025192 PMAQI
7th Nov 2025263 PMAQI
7th Nov 2025174 PMAQI
7th Nov 2025215 PMAQI
7th Nov 2025216 PMAQI
7th Nov 2025207 PMAQI
7th Nov 2025228 PMAQI
7th Nov 2025269 PMAQI
7th Nov 20252610 PMAQI
7th Nov 20253411 PMAQI
8th Nov 20254212 AMAQI
8th Nov 2025471 AMAQI
8th Nov 2025402 AMAQI
8th Nov 2025353 AMAQI
8th Nov 2025294 AMAQI
8th Nov 2025255 AMAQI
8th Nov 2025276 AMAQI
8th Nov 2025277 AMAQI
6°C5/6°C
8th Nov 2025258 AMAQI
8th Nov 2025249 AMAQI
8th Nov 20252310 AMAQI
8th Nov 20252811 AMAQI
8th Nov 20252612 PMAQI
8th Nov 2025291 PMAQI
8th Nov 2025292 PMAQI
8th Nov 2025293 PMAQI
8th Nov 2025174 PMAQI
8th Nov 2025185 PMAQI
8th Nov 2025196 PMAQI
8th Nov 2025227 PMAQI
8th Nov 2025268 PMAQI
8th Nov 2025239 PMAQI
8th Nov 20251910 PMAQI
8th Nov 20251711 PMAQI
9th Nov 20251612 AMAQI
9th Nov 2025141 AMAQI
9th Nov 2025172 AMAQI
9th Nov 2025143 AMAQI
9th Nov 2025124 AMAQI
9th Nov 2025115 AMAQI
9th Nov 2025116 AMAQI
9th Nov 2025117 AMAQI
4°C2/4°C
9th Nov 2025118 AMAQI
9th Nov 2025139 AMAQI
9th Nov 20251110 AMAQI
9th Nov 20251611 AMAQI
9th Nov 20251512 PMAQI
9th Nov 2025151 PMAQI
9th Nov 2025202 PMAQI
9th Nov 2025163 PMAQI
9th Nov 2025194 PMAQI
9th Nov 2025185 PMAQI
9th Nov 2025176 PMAQI
9th Nov 2025217 PMAQI
9th Nov 2025298 PMAQI
9th Nov 2025279 PMAQI
9th Nov 20252510 PMAQI
9th Nov 20252211 PMAQI
10th Nov 20252312 AMAQI
10th Nov 2025251 AMAQI
10th Nov 2025232 AMAQI
10th Nov 2025203 AMAQI
10th Nov 2025154 AMAQI
10th Nov 2025195 AMAQI
10th Nov 2025206 AMAQI
10th Nov 2025187 AMAQI
4°C3/4°C
10th Nov 2025208 AMAQI
10th Nov 2025219 AMAQI
10th Nov 20252110 AMAQI
10th Nov 20252811 AMAQI
10th Nov 20253212 PMAQI
10th Nov 2025291 PMAQI
10th Nov 2025202 PMAQI
10th Nov 2025203 PMAQI
10th Nov 2025214 PMAQI
10th Nov 2025205 PMAQI
10th Nov 2025266 PMAQI
10th Nov 2025257 PMAQI
10th Nov 2025338 PMAQI
10th Nov 2025379 PMAQI
10th Nov 20253810 PMAQI
10th Nov 20254511 PMAQI
11th Nov 20254012 AMAQI
11th Nov 2025371 AMAQI
11th Nov 2025322 AMAQI
11th Nov 2025243 AMAQI
11th Nov 2025214 AMAQI
11th Nov 2025165 AMAQI
11th Nov 2025186 AMAQI
11th Nov 2025127 AMAQI
4°C3/4°C
11th Nov 2025178 AMAQI
11th Nov 2025209 AMAQI
11th Nov 20251910 AMAQI
11th Nov 20252411 AMAQI
11th Nov 20252612 PMAQI
11th Nov 2025261 PMAQI
11th Nov 2025252 PMAQI
11th Nov 2025273 PMAQI
11th Nov 2025164 PMAQI
11th Nov 2025145 PMAQI
11th Nov 2025146 PMAQI
11th Nov 2025137 PMAQI
11th Nov 2025188 PMAQI
11th Nov 2025209 PMAQI
11th Nov 20251910 PMAQI
11th Nov 20251911 PMAQI
12th Nov 20251612 AMAQI
12th Nov 2025131 AMAQI
12th Nov 2025132 AMAQI
12th Nov 2025133 AMAQI
12th Nov 2025134 AMAQI
12th Nov 2025115 AMAQI
12th Nov 2025116 AMAQI
12th Nov 2025107 AMAQI
2°C1/3°C
12th Nov 2025158 AMAQI
12th Nov 2025169 AMAQI
12th Nov 20251110 AMAQI
12th Nov 20251411 AMAQI
12th Nov 20251712 PMAQI
12th Nov 2025141 PMAQI
12th Nov 2025142 PMAQI
12th Nov 2025143 PMAQI
12th Nov 2025134 PMAQI
12th Nov 2025115 PMAQI
12th Nov 2025126 PMAQI
12th Nov 2025177 PMAQI
12th Nov 2025158 PMAQI
12th Nov 2025169 PMAQI
12th Nov 20251210 PMAQI
12th Nov 20251211 PMAQI
13th Nov 20251112 AMAQI
13th Nov 2025111 AMAQI
13th Nov 2025122 AMAQI
13th Nov 2025113 AMAQI
13th Nov 2025114 AMAQI
13th Nov 2025115 AMAQI
13th Nov 2025126 AMAQI
13th Nov 2025147 AMAQI
5°C4/6°C
13th Nov 2025148 AMAQI
13th Nov 2025129 AMAQI
13th Nov 20251210 AMAQI
13th Nov 2025911 AMAQI
13th Nov 20251512 PMAQI
13th Nov 2025201 PMAQI
13th Nov 2025152 PMAQI
13th Nov 2025123 PMAQI
13th Nov 2025124 PMAQI
13th Nov 2025165 PMAQI
13th Nov 2025166 PMAQI
13th Nov 2025237 PMAQI
13th Nov 2025168 PMAQI
13th Nov 2025159 PMAQI
13th Nov 20251310 PMAQI
13th Nov 20251511 PMAQI
14th Nov 20251712 AMAQI
14th Nov 2025171 AMAQI
14th Nov 2025142 AMAQI
14th Nov 2025183 AMAQI
14th Nov 2025294 AMAQI
14th Nov 2025265 AMAQI
14th Nov 2025236 AMAQI
14th Nov 2025277 AMAQI
3°C0/4°C
14th Nov 2025258 AMAQI
14th Nov 2025339 AMAQI
14th Nov 20252910 AMAQI
14th Nov 20252911 AMAQI
14th Nov 20253412 PMAQI
14th Nov 2025281 PMAQI
14th Nov 2025242 PMAQI
14th Nov 2025253 PMAQI
14th Nov 2025274 PMAQI
14th Nov 2025205 PMAQI
14th Nov 2025246 PMAQI
14th Nov 2025327 PMAQI
14th Nov 2025318 PMAQI
14th Nov 2025239 PMAQI
14th Nov 20253010 PMAQI
14th Nov 20253011 PMAQI
15th Nov 20252812 AMAQI
15th Nov 2025261 AMAQI
15th Nov 2025202 AMAQI
15th Nov 2025133 AMAQI
15th Nov 2025124 AMAQI
15th Nov 2025145 AMAQI
15th Nov 2025146 AMAQI
15th Nov 2025187 AMAQI
0°C-1/1°C
15th Nov 2025158 AMAQI
15th Nov 2025119 AMAQI
15th Nov 20251210 AMAQI
15th Nov 20251011 AMAQI
15th Nov 20251412 PMAQI
15th Nov 2025181 PMAQI
15th Nov 2025152 PMAQI
15th Nov 2025123 PMAQI
15th Nov 2025134 PMAQI
15th Nov 2025135 PMAQI
15th Nov 2025126 PMAQI
15th Nov 2025177 PMAQI
15th Nov 2025188 PMAQI
15th Nov 2025209 PMAQI
15th Nov 20251410 PMAQI
15th Nov 20251211 PMAQI
16th Nov 20251512 AMAQI
16th Nov 2025131 AMAQI
16th Nov 2025112 AMAQI
16th Nov 2025113 AMAQI
16th Nov 2025134 AMAQI
16th Nov 2025165 AMAQI
16th Nov 2025126 AMAQI
16th Nov 2025157 AMAQI
2°C0/4°C
16th Nov 2025168 AMAQI
16th Nov 2025129 AMAQI
16th Nov 20251510 AMAQI
16th Nov 20251311 AMAQI
16th Nov 20251612 PMAQI
16th Nov 2025211 PMAQI
16th Nov 2025182 PMAQI
16th Nov 2025173 PMAQI
16th Nov 2025184 PMAQI
16th Nov 2025195 PMAQI
16th Nov 2025216 PMAQI
16th Nov 2025217 PMAQI
16th Nov 2025238 PMAQI
16th Nov 2025209 PMAQI
16th Nov 20251910 PMAQI
16th Nov 20252111 PMAQI
17th Nov 20252312 AMAQI
17th Nov 2025211 AMAQI
17th Nov 2025202 AMAQI
17th Nov 2025203 AMAQI
17th Nov 2025184 AMAQI
17th Nov 2025185 AMAQI
17th Nov 2025176 AMAQI
17th Nov 2025177 AMAQI
1°C0/2°C
17th Nov 2025118 AMAQI
17th Nov 2025159 AMAQI
17th Nov 20251710 AMAQI
17th Nov 20251911 AMAQI
17th Nov 20252012 PMAQI
17th Nov 2025231 PMAQI
17th Nov 2025272 PMAQI
17th Nov 2025233 PMAQI
17th Nov 2025144 PMAQI
17th Nov 2025185 PMAQI
17th Nov 2025206 PMAQI
17th Nov 2025197 PMAQI
17th Nov 2025308 PMAQI
17th Nov 2025279 PMAQI
17th Nov 20252810 PMAQI
17th Nov 20252311 PMAQI
18th Nov 20251912 AMAQI
18th Nov 2025181 AMAQI
18th Nov 2025202 AMAQI
18th Nov 2025193 AMAQI
18th Nov 2025154 AMAQI
18th Nov 2025145 AMAQI
18th Nov 2025156 AMAQI
18th Nov 2025167 AMAQI
-1°C-1/-1°C
18th Nov 2025178 AMAQI
18th Nov 2025189 AMAQI
18th Nov 20252110 AMAQI
18th Nov 20252511 AMAQI
18th Nov 20252412 PMAQI
18th Nov 2025221 PMAQI
18th Nov 2025252 PMAQI
18th Nov 2025273 PMAQI
18th Nov 2025304 PMAQI
18th Nov 2025335 PMAQI
18th Nov 2025296 PMAQI
18th Nov 2025267 PMAQI
18th Nov 2025388 PMAQI
18th Nov 2025429 PMAQI
18th Nov 20254310 PMAQI
18th Nov 20254111 PMAQI
19th Nov 20253612 AMAQI
19th Nov 2025341 AMAQI
19th Nov 2025392 AMAQI
19th Nov 2025413 AMAQI
19th Nov 2025334 AMAQI
19th Nov 2025305 AMAQI
19th Nov 2025276 AMAQI
19th Nov 2025257 AMAQI
-2°C-4/-2°C
19th Nov 2025248 AMAQI
19th Nov 2025259 AMAQI
19th Nov 20252510 AMAQI
19th Nov 20252711 AMAQI
19th Nov 20253312 PMAQI
19th Nov 2025281 PMAQI
19th Nov 2025242 PMAQI
19th Nov 2025253 PMAQI
19th Nov 2025264 PMAQI
19th Nov 2025285 PMAQI
19th Nov 2025266 PMAQI
19th Nov 2025257 PMAQI
19th Nov 2025288 PMAQI
19th Nov 2025259 PMAQI
19th Nov 20252310 PMAQI
19th Nov 20252411 PMAQI
20th Nov 20252612 AMAQI
20th Nov 2025291 AMAQI
20th Nov 2025262 AMAQI
20th Nov 2025243 AMAQI
20th Nov 2025214 AMAQI
20th Nov 2025205 AMAQI
20th Nov 2025216 AMAQI
20th Nov 2025187 AMAQI
0°C-1/0°C
20th Nov 2025198 AMAQI
20th Nov 2025209 AMAQI
20th Nov 20252210 AMAQI
20th Nov 20253411 AMAQI
20th Nov 20254012 PMAQI
20th Nov 2025371 PMAQI
20th Nov 2025322 PMAQI
20th Nov 2025243 PMAQI
20th Nov 2025274 PMAQI
20th Nov 2025275 PMAQI
20th Nov 2025236 PMAQI
20th Nov 2025257 PMAQI
20th Nov 2025378 PMAQI
20th Nov 2025389 PMAQI
20th Nov 20253510 PMAQI
20th Nov 20252111 PMAQI
21st Nov 20251612 AMAQI
21st Nov 2025161 AMAQI
21st Nov 2025142 AMAQI
21st Nov 2025123 AMAQI
21st Nov 2025154 AMAQI
21st Nov 2025145 AMAQI
21st Nov 2025116 AMAQI
21st Nov 2025137 AMAQI
0°C-2/0°C
21st Nov 2025178 AMAQI
21st Nov 2025199 AMAQI
21st Nov 20251710 AMAQI
21st Nov 20251411 AMAQI
21st Nov 20252012 PMAQI
21st Nov 2025221 PMAQI
21st Nov 2025182 PMAQI
21st Nov 2025243 PMAQI
21st Nov 2025204 PMAQI
21st Nov 2025255 PMAQI
21st Nov 2025276 PMAQI
21st Nov 2025287 PMAQI
21st Nov 2025308 PMAQI
21st Nov 2025259 PMAQI
21st Nov 20252010 PMAQI
21st Nov 20251711 PMAQI
22nd Nov 20252012 AMAQI
22nd Nov 2025251 AMAQI
22nd Nov 2025272 AMAQI
--°C/°C
8 AM
11 AM
3 PM
11 PM
7 AM
--°C/°C
Day time
Avg. Highest Time
12 PM
23AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
8 AM
18AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 12 PM (Avg. 23), while the lowest AQI was between 8 AM to 8 AM (Avg. 18).
Night time
Avg. Highest Time
10 PM
25AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM - 7 AM
17AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 10 PM (Avg. 25), while the lowest AQI was between 6 AM to 7 AM (Avg. 17).
2025 Days Vs Air Quality
Oulu, Pohjois Pohjanmaa, Finland
2025
100%
324
0.3%
1
Total number of days with different AQI categories in last 326 days in 2025 (39 days remaining)
Good
324 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 326 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, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
28AQI
28AQI
2nd January 2025
24AQI
24AQI
3rd January 2025
29AQI
29AQI
4th January 2025
27AQI
27AQI
5th January 2025
27AQI
27AQI
6th January 2025
23AQI
23AQI
7th January 2025
24AQI
24AQI
8th January 2025
24AQI
24AQI
9th January 2025
24AQI
24AQI
10th January 2025
30AQI
30AQI
11th January 2025
32AQI
32AQI
12th January 2025
30AQI
30AQI
13th January 2025
25AQI
25AQI
14th January 2025
24AQI
24AQI
15th January 2025
23AQI
23AQI
16th January 2025
22AQI
22AQI
17th January 2025
22AQI
22AQI
18th January 2025
24AQI
24AQI
19th January 2025
24AQI
24AQI
20th January 2025
30AQI
30AQI
21st January 2025
31AQI
31AQI
22nd January 2025
25AQI
25AQI
23rd January 2025
29AQI
29AQI
24th January 2025
25AQI
25AQI
25th January 2025
23AQI
23AQI
26th January 2025
24AQI
24AQI
27th January 2025
22AQI
22AQI
28th January 2025
22AQI
22AQI
29th January 2025
22AQI
22AQI
30th January 2025
21AQI
21AQI
31st January 2025
21AQI
21AQI
1st February 2025
22AQI
22AQI
2nd February 2025
21AQI
21AQI
3rd February 2025
24AQI
24AQI
4th February 2025
27AQI
27AQI
5th February 2025
23AQI
23AQI
6th February 2025
23AQI
23AQI
7th February 2025
23AQI
23AQI
8th February 2025
23AQI
23AQI
9th February 2025
23AQI
23AQI
10th February 2025
25AQI
25AQI
11th February 2025
25AQI
25AQI
12th February 2025
24AQI
24AQI
13th February 2025
23AQI
23AQI
14th February 2025
24AQI
24AQI
15th February 2025
24AQI
24AQI
16th February 2025
28AQI
28AQI
17th February 2025
32AQI
32AQI
18th February 2025
24AQI
24AQI
19th February 2025
28AQI
28AQI
20th February 2025
24AQI
24AQI
21st February 2025
26AQI
26AQI
22nd February 2025
28AQI
28AQI
23rd February 2025
38AQI
38AQI
24th February 2025
40AQI
40AQI
25th February 2025
36AQI
36AQI
26th February 2025
48AQI
48AQI
27th February 2025
35AQI
35AQI
28th February 2025
29AQI
29AQI
1st March 2025
27AQI
27AQI
2nd March 2025
24AQI
24AQI
3rd March 2025
24AQI
24AQI
4th March 2025
25AQI
25AQI
5th March 2025
25AQI
25AQI
6th March 2025
24AQI
24AQI
7th March 2025
25AQI
25AQI
8th March 2025
26AQI
26AQI
9th March 2025
28AQI
28AQI
10th March 2025
30AQI
30AQI
11th March 2025
32AQI
32AQI
12th March 2025
42AQI
42AQI
13th March 2025
43AQI
43AQI
14th March 2025
41AQI
41AQI
15th March 2025
30AQI
30AQI
16th March 2025
25AQI
25AQI
17th March 2025
21AQI
21AQI
18th March 2025
23AQI
23AQI
19th March 2025
18AQI
18AQI
20th March 2025
20AQI
20AQI
21st March 2025
28AQI
28AQI
22nd March 2025
24AQI
24AQI
23rd March 2025
24AQI
24AQI
24th March 2025
27AQI
27AQI
25th March 2025
27AQI
27AQI
26th March 2025
30AQI
30AQI
27th March 2025
29AQI
29AQI
28th March 2025
27AQI
27AQI
29th March 2025
30AQI
30AQI
30th March 2025
34AQI
34AQI
31st March 2025
37AQI
37AQI
1st April 2025
34AQI
34AQI
2nd April 2025
35AQI
35AQI
3rd April 2025
35AQI
35AQI
4th April 2025
28AQI
28AQI
5th April 2025
24AQI
24AQI
6th April 2025
23AQI
23AQI
7th April 2025
25AQI
25AQI
8th April 2025
28AQI
28AQI
9th April 2025
29AQI
29AQI
10th April 2025
23AQI
23AQI
11th April 2025
18AQI
18AQI
12th April 2025
16AQI
16AQI
13th April 2025
19AQI
19AQI
14th April 2025
22AQI
22AQI
15th April 2025
26AQI
26AQI
16th April 2025
30AQI
30AQI
17th April 2025
35AQI
35AQI
18th April 2025
27AQI
27AQI
19th April 2025
23AQI
23AQI
20th April 2025
17AQI
17AQI
21st April 2025
15AQI
15AQI
22nd April 2025
18AQI
18AQI
23rd April 2025
17AQI
17AQI
24th April 2025
16AQI
16AQI
25th April 2025
19AQI
19AQI
26th April 2025
16AQI
16AQI
27th April 2025
16AQI
16AQI
28th April 2025
19AQI
19AQI
29th April 2025
17AQI
17AQI
30th April 2025
19AQI
19AQI
1st May 2025
18AQI
18AQI
2nd May 2025
16AQI
16AQI
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
16AQI
16AQI
9th May 2025
17AQI
17AQI
10th May 2025
18AQI
18AQI
11th May 2025
19AQI
19AQI
12th May 2025
21AQI
21AQI
13th May 2025
20AQI
20AQI
14th May 2025
19AQI
19AQI
15th May 2025
19AQI
19AQI
16th May 2025
20AQI
20AQI
17th May 2025
18AQI
18AQI
18th May 2025
17AQI
17AQI
19th May 2025
20AQI
20AQI
20th May 2025
18AQI
18AQI
21st May 2025
14AQI
14AQI
22nd May 2025
15AQI
15AQI
23rd May 2025
17AQI
17AQI
24th May 2025
17AQI
17AQI
25th May 2025
18AQI
18AQI
26th May 2025
19AQI
19AQI
27th May 2025
22AQI
22AQI
28th May 2025
21AQI
21AQI
29th May 2025
23AQI
23AQI
30th May 2025
20AQI
20AQI
31st May 2025
20AQI
20AQI
1st June 2025
16AQI
16AQI
2nd June 2025
17AQI
17AQI
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
18AQI
18AQI
11th June 2025
20AQI
20AQI
12th June 2025
23AQI
23AQI
13th June 2025
20AQI
20AQI
14th June 2025
20AQI
20AQI
15th June 2025
22AQI
22AQI
16th June 2025
21AQI
21AQI
17th June 2025
23AQI
23AQI
18th June 2025
21AQI
21AQI
19th June 2025
19AQI
19AQI
20th June 2025
18AQI
18AQI
21st June 2025
18AQI
18AQI
22nd June 2025
17AQI
17AQI
23rd June 2025
17AQI
17AQI
24th June 2025
19AQI
19AQI
25th June 2025
17AQI
17AQI
26th June 2025
18AQI
18AQI
27th June 2025
18AQI
18AQI
28th June 2025
19AQI
19AQI
29th June 2025
17AQI
17AQI
30th June 2025
17AQI
17AQI
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
18AQI
18AQI
9th July 2025
17AQI
17AQI
10th July 2025
20AQI
20AQI
11th July 2025
23AQI
23AQI
12th July 2025
29AQI
29AQI
13th July 2025
29AQI
29AQI
14th July 2025
33AQI
33AQI
15th July 2025
34AQI
34AQI
16th July 2025
31AQI
31AQI
17th July 2025
27AQI
27AQI
18th July 2025
27AQI
27AQI
19th July 2025
28AQI
28AQI
20th July 2025
34AQI
34AQI
21st July 2025
34AQI
34AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
42AQI
42AQI
24th July 2025
46AQI
46AQI
25th July 2025
49AQI
49AQI
26th July 2025
47AQI
47AQI
27th July 2025
42AQI
42AQI
28th July 2025
39AQI
39AQI
29th July 2025
39AQI
39AQI
30th July 2025
39AQI
39AQI
31st July 2025
42AQI
42AQI
1st August 2025
43AQI
43AQI
2nd August 2025
40AQI
40AQI
3rd August 2025
32AQI
32AQI
4th August 2025
30AQI
30AQI
5th August 2025
28AQI
28AQI
6th August 2025
22AQI
22AQI
7th August 2025
19AQI
19AQI
8th August 2025
17AQI
17AQI
9th August 2025
20AQI
20AQI
10th August 2025
21AQI
21AQI
11th August 2025
19AQI
19AQI
12th August 2025
16AQI
16AQI
13th August 2025
15AQI
15AQI
14th August 2025
17AQI
17AQI
15th August 2025
19AQI
19AQI
16th August 2025
15AQI
15AQI
17th August 2025
13AQI
13AQI
18th August 2025
12AQI
12AQI
19th August 2025
12AQI
12AQI
20th August 2025
11AQI
11AQI
21st August 2025
11AQI
11AQI
22nd August 2025
12AQI
12AQI
23rd August 2025
12AQI
12AQI
24th August 2025
13AQI
13AQI
25th August 2025
12AQI
12AQI
26th August 2025
12AQI
12AQI
27th August 2025
13AQI
13AQI
28th August 2025
15AQI
15AQI
29th August 2025
17AQI
17AQI
30th August 2025
16AQI
16AQI
31st August 2025
16AQI
16AQI
1st September 2025
16AQI
16AQI
2nd September 2025
17AQI
17AQI
3rd September 2025
17AQI
17AQI
4th September 2025
20AQI
20AQI
5th September 2025
20AQI
20AQI
6th September 2025
24AQI
24AQI
7th September 2025
29AQI
29AQI
8th September 2025
28AQI
28AQI
9th September 2025
29AQI
29AQI
10th September 2025
33AQI
33AQI
11th September 2025
34AQI
34AQI
12th September 2025
28AQI
28AQI
13th September 2025
22AQI
22AQI
14th September 2025
19AQI
19AQI
15th September 2025
21AQI
21AQI
16th September 2025
19AQI
19AQI
17th September 2025
17AQI
17AQI
18th September 2025
17AQI
17AQI
19th September 2025
16AQI
16AQI
20th September 2025
16AQI
16AQI
21st September 2025
15AQI
15AQI
22nd September 2025
15AQI
15AQI
23rd September 2025
13AQI
13AQI
24th September 2025
11AQI
11AQI
25th September 2025
17AQI
17AQI
26th September 2025
19AQI
19AQI
27th September 2025
18AQI
18AQI
28th September 2025
26AQI
26AQI
29th September 2025
16AQI
16AQI
30th September 2025
17AQI
17AQI
1st October 2025
23AQI
23AQI
2nd October 2025
28AQI
28AQI
3rd October 2025
37AQI
37AQI
4th October 2025
31AQI
31AQI
5th October 2025
44AQI
44AQI
6th October 2025
55AQI
55AQI
7th October 2025
28AQI
28AQI
8th October 2025
27AQI
27AQI
9th October 2025
22AQI
22AQI
10th October 2025
21AQI
21AQI
11th October 2025
25AQI
25AQI
12th October 2025
29AQI
29AQI
13th October 2025
22AQI
22AQI
14th October 2025
45AQI
45AQI
15th October 2025
47AQI
47AQI
16th October 2025
30AQI
30AQI
17th October 2025
29AQI
29AQI
18th October 2025
34AQI
34AQI
19th October 2025
24AQI
24AQI
20th October 2025
32AQI
32AQI
21st October 2025
34AQI
34AQI
22nd October 2025
22AQI
22AQI
23rd October 2025
33AQI
33AQI
24th October 2025
26AQI
26AQI
25th October 2025
24AQI
24AQI
26th October 2025
15AQI
15AQI
27th October 2025
15AQI
15AQI
28th October 2025
19AQI
19AQI
29th October 2025
20AQI
20AQI
30th October 2025
24AQI
24AQI
31st October 2025
21AQI
21AQI
1st November 2025
22AQI
22AQI
2nd November 2025
17AQI
17AQI
3rd November 2025
16AQI
16AQI
4th November 2025
17AQI
17AQI
5th November 2025
17AQI
17AQI
6th November 2025
19AQI
19AQI
7th November 2025
22AQI
22AQI
8th November 2025
28AQI
28AQI
9th November 2025
17AQI
17AQI
10th November 2025
25AQI
25AQI
11th November 2025
22AQI
22AQI
12th November 2025
14AQI
14AQI
13th November 2025
14AQI
14AQI
14th November 2025
25AQI
25AQI
15th November 2025
17AQI
17AQI
16th November 2025
17AQI
17AQI
17th November 2025
21AQI
21AQI
18th November 2025
25AQI
25AQI
19th November 2025
29AQI
29AQI
20th November 2025
27AQI
27AQI
21st November 2025
16AQI
16AQI
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
25AQI
28AQI
28AQI
23AQI
18AQI
19AQI
30AQI
18AQI
20AQI
29AQI
20AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202524AQI
31
28
31
30
31
30
31
31
30
30
1
21
324
1
Highest AQI recorded in
July30AQI
Lowest AQI recorded in
May18AQI
202419AQI
31
29
31
30
31
30
31
31
30
31
30
31
366
Highest AQI recorded in
December23AQI
Lowest AQI recorded in
October14AQI
202317AQI
31
28
31
30
31
30
31
31
30
31
29
31
364
Highest AQI recorded in
May24AQI
Lowest AQI recorded in
July13AQI
202217AQI
20
22
31
29
1
31
30
24
3
29
31
30
31
311
1
Highest AQI recorded in
April28AQI
Lowest AQI recorded in
August11AQI
202122AQI
31
28
31
30
31
30
31
31
30
31
30
31
365
Highest AQI recorded in
April28AQI
Lowest AQI recorded in
September16AQI
202023AQI
13
21
18
30
30
31
30
31
30
31
265
Highest AQI recorded in
March31AQI
Lowest AQI recorded in
October18AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
24AQILeast Polluted Year Recorded
2022(Avg.)
17AQIOulu's annual 2025 AQI (24) shows an average percentage change of 22.8% (worsened AQI) compared to previous years: 2020 (23), 2021 (22), 2022 (17), 2023 (17), 2024 (19).
