Smog in Oulu — Live Data: AQI, Fine Dust, Wind, UV and Health Advice

Latest air quality data: Oulu
Pollution and air quality forecast for Oulu. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Oulu:
  1. particulate matter (PM2.5) dust - 2 (Good)
  2. particulate matter (PM10) suspended dust - 3 (Good)
  3. ozone (O3) - 36 (Good)
  4. nitrogen dioxide (NO2) - 3 (Good)
  5. sulfur dioxide (SO2) - 0 (Good)
  6. carbon monoxide (CO) - 158 (Good)
Real-time Air Quality Index (AQI) for Oulu, Thursday, August 27, 2026: 1.

air quality index: 0
AQI 1 Good

What is the air quality in Oulu today? Is the air polluted in Oulu?. Is there smog?

Today (Thursday, August 27, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Oulu.


What is the current level of PM2.5 in Oulu? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 2 (Good) For comparison, the highest level of PM2.5 in Oulu in the last 7 days was: 10 (Monday, August 24, 2026) and the lowest: 2 (Thursday, August 27, 2026). The highest PM2.5 values were recorded: 11 (February 2018). The lowest level of particulate matter PM2.5 pollution occurs in month: October (3.5).

What is the level of PM10 today in Oulu? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Oulu is: 3 (Good) The highest PM10 values usually occur in month: 25 (May 2018). The lowest value of particulate matter PM10 pollution in Oulu is usually recorded in: December (5.8).

How is the O3 level today in Oulu? (ozone (O3))
36 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
3 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
0 (Good)

How high is the CO level? (carbon monoxide (CO))
158 (Good)



Current data Thursday, August 27, 2026 at 4:00 AM

PM2,5 2 (Good)

PM10 3 (Good)

O3 36 (Good)

NO2 3 (Good)

SO2 0 (Good)

CO 158 (Good)

Data on air pollution from recent days in Oulu

index 2026-08-27 2026-08-26 2026-08-25 2026-08-24 2026-08-23 2026-08-22 2026-08-21 2026-08-20
pm25 2
Good
2
Good
5
Good
10
Good
7
Good
5
Good
2
Good
2
Good
pm10 4
Good
3
Good
6
Good
10
Good
8
Good
6
Good
3
Good
2
Good
o3 47
Good
45
Good
52
Good
62
Good
53
Good
55
Good
52
Good
42
Good
no2 5
Good
3
Good
4
Good
2
Good
2
Good
4
Good
2
Good
3
Good
so2 0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
co 169
Good
162
Good
236
Good
403
Good
302
Good
148
Good
132
Good
138
Good
data source »
Air pollution in Oulu from September 2017 to May 2020
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09
so2 0.69 (Good) 0.76 (Good) 0.57 (Good) 1.1 (Good) 0.88 (Good) 0.74 (Good) 0.82 (Good) 1.1 (Good) 1 (Good) 0.84 (Good) 1.3 (Good) 0.84 (Good) 0.91 (Good) 1.2 (Good) 1.1 (Good) 1.4 (Good) 2 (Good) 0.44 (Good) 0.41 (Good) 0.79 (Good) 0.84 (Good) 0.8 (Good) 0.64 (Good) 1.2 (Good) 0.89 (Good) 1.4 (Good) 1.6 (Good) 1.5 (Good) 1.1 (Good) 0.94 (Good) 0.98 (Good) 1.3 (Good) 0.63 (Good)
pm25 4 (Good) 3.8 (Good) 4.3 (Good) 4.3 (Good) 4.1 (Good) 3.9 (Good) 4.4 (Good) 3.5 (Good) 4.1 (Good) 5.5 (Good) 5.1 (Good) 5.3 (Good) 4.6 (Good) 7.7 (Good) 4.8 (Good) 5.2 (Good) 7.3 (Good) 6.1 (Good) 4 (Good) 5 (Good) 4.3 (Good) 5.2 (Good) 6.3 (Good) 5.1 (Good) 6.2 (Good) 6.8 (Good) 6 (Good) 11 (Good) 5.9 (Good) 6.1 (Good) 5.6 (Good) 5.7 (Good) 8.5 (Good)
pm10 14 (Good) 11 (Good) 9.9 (Good) 12 (Good) 9.4 (Good) 5.8 (Good) 6.2 (Good) 7.1 (Good) 9.5 (Good) 12 (Good) 13 (Good) 15 (Good) 13 (Good) 23 (Moderate) 9.7 (Good) 8.2 (Good) 9.2 (Good) 8.1 (Good) 10 (Good) 13 (Good) 10 (Good) 12 (Good) 16 (Good) 15 (Good) 25 (Moderate) 22 (Moderate) 10 (Good) 14 (Good) 7.3 (Good) 8.7 (Good) 7.8 (Good) 13 (Good) 15 (Good)
no2 9.4 (Good) 11 (Good) 17 (Good) 23 (Good) 19 (Good) 19 (Good) 21 (Good) 16 (Good) 15 (Good) 14 (Good) 10 (Good) 12 (Good) 14 (Good) 22 (Good) 24 (Good) 29 (Good) 36 (Good) 25 (Good) 21 (Good) 20 (Good) 16 (Good) 15 (Good) 16 (Good) 14 (Good) 22 (Good) 33 (Good) 30 (Good) 34 (Good) 31 (Good) 24 (Good) 22 (Good) 20 (Good) 19 (Good)
data source »

Quality of life in Oulu

Green and Parks in the City

Oulu 77%

Estonia: 82% Aland Islands: 75% Sweden: 84% Latvia: 88% Lithuania: 86%

particulate matter PM2.5

Oulu 7 (Good)

Pleasure of spending time in the city

Oulu 90%

Estonia: 90% Aland Islands: 92% Sweden: 88% Latvia: 82% Lithuania: 83%

particulate matter PM10

Oulu 12 (Good)

Air Pollution

Oulu 12%

Estonia: 12% Aland Islands: 17% Sweden: 15% Latvia: 29% Lithuania: 26%

Garbage Disposal

Oulu 86%

Estonia: 79% Aland Islands: 88% Sweden: 83% Latvia: 70% Lithuania: 71%

Availability and quality of drinking water

Oulu 96%

Estonia: 90% Aland Islands: 96% Sweden: 92% Latvia: 79% Lithuania: 91%

Cleanliness and tidiness

Oulu 76%

Estonia: 82% Aland Islands: 83% Sweden: 76% Latvia: 72% Lithuania: 78%

Noise and Light pollution

Oulu 14%

Estonia: 31% Aland Islands: 46% Sweden: 26% Latvia: 37% Lithuania: 30%

Water Pollution

Oulu 7.5%

Estonia: 16% Aland Islands: 10% Sweden: 15% Latvia: 28% Lithuania: 24%
Source: Numbeo


Oulu

Thursday, August 27, 2026 at 4:00 AM

PM2,5 2.2 (Good)

particulate matter (PM2.5) dust

PM10 2.9 (Good)

particulate matter (PM10) suspended dust

O3 36 (Good)

ozone (O3)

NO2 3.2 (Good)

nitrogen dioxide (NO2)

SO2 0.2 (Good)

sulfur dioxide (SO2)

CO 158 (Good)

carbon monoxide (CO)

Oulu

index 2026-08-20 2026-08-21 2026-08-22 2026-08-23 2026-08-24 2026-08-25 2026-08-26 2026-08-27
pm25 1.7 2.3 4.8 6.9 9.6 4.8 2.1 2.4
pm10 2.2 3.2 6.2 7.6 10 5.6 2.6 3.7
o3 42 52 55 53 62 52 45 47
no2 3.2 2.5 4.5 1.7 2.3 3.8 3 5
so2 0.18 0.32 0.44 0.22 0.42 0.24 0.15 0.31
co 138 132 148 302 403 236 162 169

FI00027

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09
so2 0.69 0.76 0.57 1.1 0.88 0.74 0.82 1.1 1 0.84 1.3 0.84 0.91 1.2 1.1 1.4 2 0.44 0.41 0.79 0.84 0.8 0.64 1.2 0.89 1.4 1.6 1.5 1.1 0.94 0.98 1.3 0.63

FI00446

2017-09   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09
pm25 4 3.8 4.3 4.3 4.1 3.9 4.4 3.5 4.1 5.5 5.1 5.3 4.6 7.7 4.8 5.2 7.3 6.1 4 5 4.3 5.2 6.3 5.1 6.2 6.8 6 11 5.9 6.1 5.6 5.7 8.5
pm10 14 11 9.9 12 9.4 5.8 6.2 7.1 9.5 12 13 15 13 23 9.7 8.2 9.2 8.1 10 13 10 12 16 15 25 22 10 14 7.3 8.7 7.8 13 15
no2 9.4 11 17 23 19 19 21 16 15 14 10 12 14 22 24 29 36 25 21 20 16 15 16 14 22 33 30 34 31 24 22 20 19

* Pollution data source: https://openaq.org (EEA Finland) The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Oulu

🌦️ WEATHER · 16-DAY FORECASTOulu☁️17°CloudyToday · ↑17° ↓11°💨 4 km/h · 💧 70%Tue25.08☁️17°11°Wed26.08🌤️17°11°Thu27.08☁️17°Fri28.08🌧️16°10°Sat29.08🌧️16°12°Sun30.08🌧️17°14°Mon31.08🌧️16°12°Tue1.09🌧️16°12°Wed2.09🌧️16°12°Thu3.09🌧️14°13°Fri4.09🌧️13°10°Sat5.09🌧️14°12°Sun6.09☁️13°11°Mon7.09🌧️12°Tue8.09🌧️12°Wed9.09☁️12°pollution-alert.com · August 27, 2026

16-day weather forecast for Oulu: today around 17°C (cloudy), lows near 11°C. Daily temperature and conditions, updated every day. A moderate breeze (about 14 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Oulu

☀️ UV INDEX · 16-DAY FORECASTOulu03681111+3.8UV MODERATEtoday, day maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.⏱ Unprotected fair skin can burn in about 55 min4Wed26.083Thu27.082Fri28.083Sat29.083Sun30.083Mon31.083Tue1.092Wed2.092Thu3.092Fri4.093Sat5.092Sun6.091Mon7.091Tue8.093Wed9.092Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

The UV index in Oulu today is 3.8 (moderate) — unprotected fair skin can burn in about 55 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Oulu — compare nearby locations.

Frequently asked questions

Is the air safe to breathe in Oulu today?
The current average PM2.5 across Oulu is about 2 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.
What is the current PM2.5 level in Oulu?
Right now PM2.5 in Oulu averages about 2 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.
Which day last week had the worst air in Oulu?
Over the past week, the highest daily PM2.5 in Oulu was recorded on Monday, August 24 (about 10 µg/m³).
What is the UV index in Oulu today?
The UV index in Oulu today is 3.8 (moderate) — unprotected fair skin can burn in about 55 minutes.
Does today's wind help disperse smog in Oulu?
A moderate breeze (about 14 km/h) is partially dispersing pollutants today.
How is air quality measured?
Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.