Air Pollution in Uusimaa: Real-time Air Quality Index and smog alert.

The latest data Last 7 days Uusimaa pollution September 2017 - May 2020 Quality of life
Current data from stations: Luukki Mustijoki Tikkurila 3 Kallio 2 Mannerheimintie Vartiokylä Huivipolku Leppävaara 4 FI00902
Locations: Helsinki » Porvoo »
Pollution and air quality forecast for Uusimaa. Today is Thursday, May 1, 2025. The following air pollution values have been recorded for Uusimaa:
  1. sulfur dioxide (SO2) - 1 (Good)
  2. particulate matter (PM2.5) dust - 7 (Good)
  3. nitrogen dioxide (NO2) - 82 (Moderate)
  4. particulate matter (PM10) suspended dust - 11 (Good)
  5. ozone (O3) - 18 (Good)
Real-time Air Quality Index (AQI) for Uusimaa, Wednesday, January 17, 2024: 2.

air quality index: 1
AQI 2 Moderate

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

Today (Wednesday, January 17, 2024) air quality is moderate in Uusimaa. Some pollutants in Uusimaa may slightly affect very few hypersensitive individuals. Air pollutants in Uusimaa may cause minor breathing discomfort to sensitive people.


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

What is the current level of PM2.5 in Uusimaa? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 7 (Good) For comparison, the highest level of PM2.5 in Uusimaa in the last 7 days was: 8 (Sunday, January 14, 2024) and the lowest: 1 (Wednesday, January 10, 2024). The highest PM2.5 values were recorded: 10 (February 2018). The lowest level of particulate matter PM2.5 pollution occurs in month: December (4.2).

How high is the level of NO2? (nitrogen dioxide (NO2))
82 (Moderate)

What is the level of PM10 today in Uusimaa? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Uusimaa is: 11 (Good) The highest PM10 values usually occur in month: 35 (April 2019). The lowest value of particulate matter PM10 pollution in Uusimaa is usually recorded in: December (7.2).

How is the O3 level today in Uusimaa? (ozone (O3))
18 (Good)



Current data Wednesday, January 17, 2024, 6:00 AM

SO2 1 (Good)

PM2,5 7 (Good)

NO2 82 (Moderate)

PM10 11 (Good)

O3 18 (Good)

Data on air pollution from recent days in Uusimaa

index 2024-01-10 2024-01-11 2024-01-12 2024-01-13 2024-01-14 2024-01-15 2024-01-16 2024-01-17
o3 60
Good		 66
Good		 55
Good		 51
Good		 44
Good		 35
Good		 53
Good		 23
Good
so2 1
Good		 1
Good		 1
Good		 2
Good		 0
Good		 1
Good		 1
Good		 1
Good
pm10 3
Good		 4
Good		 4
Good		 5
Good		 8
Good		 8
Good		 7
Good		 10
Good
no2 14
Good		 11
Good		 16
Good		 14
Good		 15
Good		 18
Good		 19
Good		 52
Moderate
pm25 1
Good		 2
Good		 3
Good		 4
Good		 8
Good		 7
Good		 5
Good		 7
Good
data source »
Air pollution in Uusimaa 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
pm25 4.8 (Good) 4.5 (Good) 5.5 (Good) 4.7 (Good) 5 (Good) 5.3 (Good) 7.3 (Good) 4.4 (Good) 4.5 (Good) 6.5 (Good) 5.5 (Good) 6.4 (Good) 6 (Good) 9.3 (Good) 5.2 (Good) 5 (Good) 6.4 (Good) 6.5 (Good) 6.2 (Good) 7.3 (Good) 7 (Good) 5.5 (Good) 9 (Good) 5.1 (Good) 6.8 (Good) 7.5 (Good) 7.2 (Good) 10 (Good) 6.8 (Good) 4.2 (Good) 5.1 (Good) 4.7 (Good) 7.9 (Good)
no2 9.8 (Good) 8.9 (Good) 14 (Good) 14 (Good) 15 (Good) 16 (Good) 16 (Good) 16 (Good) 15 (Good) 15 (Good) 12 (Good) 15 (Good) 18 (Good) 24 (Good) 17 (Good) 19 (Good) 27 (Good) 18 (Good) 20 (Good) 19 (Good) 17 (Good) 18 (Good) 14 (Good) 12 (Good) 20 (Good) 20 (Good) 22 (Good) 25 (Good) 17 (Good) 15 (Good) 18 (Good) 15 (Good) 15 (Good)
so2 1.3 (Good) 0.54 (Good) 0.82 (Good) 0.84 (Good) 0.59 (Good) 0.96 (Good) 0.57 (Good) 0.37 (Good) 0.39 (Good) 0.35 (Good) 0.3 (Good) 1.2 (Good) 1.4 (Good) 0.99 (Good) 0.93 (Good) 0.86 (Good) 0.89 (Good) 1 (Good) 1.2 (Good) 0.62 (Good) 5.2 (Good) 1.1 (Good) 0.86 (Good) 1.2 (Good) 1.2 (Good) 1.7 (Good) 1.3 (Good) 1.5 (Good) 1.6 (Good) 1.5 (Good) 1.4 (Good) 0.46 (Good) 0.86 (Good)
o3 64 (Good) 65 (Good) 57 (Good) 57 (Good) 53 (Good) 42 (Good) 30 (Good) 34 (Good) 36 (Good) 49 (Good) 47 (Good) 65 (Good) 61 (Good) 71 (Moderate) 65 (Good) 58 (Good) 43 (Good) 39 (Good) 36 (Good) 38 (Good) 45 (Good) 52 (Good) 56 (Good) 64 (Good) 70 (Moderate) 68 (Good) 62 (Good) 50 (Good) 37 (Good) 45 (Good) 37 (Good) 33 (Good) 24 (Good)
pm10 12 (Good) 14 (Good) 18 (Good) 17 (Good) 12 (Good) 9.9 (Good) 19 (Good) 9 (Good) 11 (Good) 13 (Good) 12 (Good) 16 (Good) 17 (Good) 35 (Moderate) 18 (Good) 12 (Good) 8.6 (Good) 10 (Good) 18 (Good) 14 (Good) 14 (Good) 14 (Good) 18 (Good) 14 (Good) 24 (Moderate) 27 (Moderate) 22 (Moderate) 21 (Moderate) 12 (Good) 7.2 (Good) 10 (Good) 10 (Good) 17 (Good)
data source »

Quality of life in Uusimaa

Green and Parks in the City

Uusimaa 85%

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

particulate matter PM2.5

Uusimaa 5.9 (Good)

Pleasure of spending time in the city

Uusimaa 92%

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

particulate matter PM10

Uusimaa 12 (Good)

Air Pollution

Uusimaa 7.3%

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

Garbage Disposal

Uusimaa 91%

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

Availability and quality of drinking water

Uusimaa 95%

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

Cleanliness and tidiness

Uusimaa 83%

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

Noise and Light pollution

Uusimaa 26%

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

Water Pollution

Uusimaa 19%

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


Luukki

Wednesday, January 17, 2024, 6:00 AM

SO2 -0.23 (Good)

sulfur dioxide (SO2)

PM2,5 2.7 (Good)

particulate matter (PM2.5) dust

NO2 9.4 (Good)

nitrogen dioxide (NO2)

PM10 3 (Good)

particulate matter (PM10) suspended dust

O3 36 (Good)

ozone (O3)

Mustijoki

Wednesday, January 17, 2024, 6:00 AM

O3 27 (Good)

ozone (O3)

SO2 1.2 (Good)

sulfur dioxide (SO2)

Tikkurila 3

Wednesday, January 17, 2024, 6:00 AM

PM10 15 (Good)

particulate matter (PM10) suspended dust

NO2 92 (Moderate)

nitrogen dioxide (NO2)

PM2,5 12 (Good)

particulate matter (PM2.5) dust

Kallio 2

Wednesday, January 17, 2024, 6:00 AM

SO2 1.7 (Good)

sulfur dioxide (SO2)

O3 9 (Good)

ozone (O3)

NO2 102 (Unhealthy for Sensitive Groups)

nitrogen dioxide (NO2)

PM10 4.9 (Good)

particulate matter (PM10) suspended dust

PM2,5 4.7 (Good)

particulate matter (PM2.5) dust

Mannerheimintie

Wednesday, January 17, 2024, 6:00 AM

NO2 102 (Unhealthy for Sensitive Groups)

nitrogen dioxide (NO2)

PM10 18 (Good)

particulate matter (PM10) suspended dust

PM2,5 7.2 (Good)

particulate matter (PM2.5) dust

Vartiokylä Huivipolku

Wednesday, January 17, 2024, 6:00 AM

PM10 7.2 (Good)

particulate matter (PM10) suspended dust

NO2 58 (Moderate)

nitrogen dioxide (NO2)

O3 1.6 (Good)

ozone (O3)

PM2,5 6.2 (Good)

particulate matter (PM2.5) dust

Leppävaara 4

Wednesday, January 17, 2024, 6:00 AM

PM2,5 8.1 (Good)

particulate matter (PM2.5) dust

PM10 11 (Good)

particulate matter (PM10) suspended dust

NO2 65 (Moderate)

nitrogen dioxide (NO2)

FI00902

Wednesday, January 17, 2024, 6:00 AM

NO2 144 (Unhealthy for Sensitive Groups)

nitrogen dioxide (NO2)

PM10 16 (Good)

particulate matter (PM10) suspended dust

Luukki

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
o3 41 59 38 39 52 57 68 65
so2 -0.25 0.95 0.19 0.21 0.06 0.17 -0.07 0.5
pm10 3.6 2.8 6.6 6.8 4.7 3.3 1.8 1.2
no2 6.4 3.5 7.7 7.3 5.3 6.2 1.4 1.3
pm25 3.1 2.3 5.9 6.2 3.7 2.1 1 0.89

Mustijoki

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
o3 31 58 36 49 52 58 72 62
so2 1.1 1.9 1.2 0.87 5.7 1.1 0.79 0.81

Tikkurila 3

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
pm10 12 11 5.9 7 4 4.2 3.7 1.5
pm25 10 6.7 6.5 7.7 3 3 2.4 0.13
no2 65 19 15 19 14 18 8.4 13

Kallio 2

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
pm10 8 7.6 7.8 5.6 3.5 3.8 5.1 1.6
o3 12 47 28 43 50 52 59 55
so2 1.4 1.4 0.19 -0.56 0.2 0.54 1.2 3
no2 59 20 25 12 15 15 16 14
pm25 7.2 7.9 8.1 6.4 2.7 3.3 4.3 1

Mannerheimintie

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
no2 64 25 26 14 18 21 17 16
pm10 11 6.2 9.3 9.2 6.1 5.9 5.6 3.3
pm25 6.9 4 7.3 8.1 4.3 3.6 1.9 2.1

Vartiokylä Huivipolku

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
no2 49 15 10 8.1 11 12 6.4 8.3
pm10 7.9 9.2 7.3 8.9 4.9 3.9 3.4 2.4
o3 6.9 48 37 45 49 54 66 58
pm25 6.8 5.6 6.2 8.1 3.9 2.8 1.7 1.7

Leppävaara 4

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
pm25 8.2 3.9 7.5 9.3 4.8 2.9 1.5 1.5
pm10 15 5 9.3 10 6.3 5.1 2.7 2.4
no2 35 20 20 21 16 19 13 12

FI00902

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
no2 86 28 23 20 22 21 14 32
pm10 12 9.6 11 9.7 6.2 5.1 5.1 11

FI00208

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 5.4 3.9 4.7 3.8 4 4.2 5.5 3.5 4 5.3 5.1 5.9 5.9 8.5 4.4 5 5.5 6.2 5.3 5.9 7.3 4.8 7.5 4.4 6.1 5.8 6.1 8.5 6.1 3.8 4.2 4 6.7
so2 0.53 0.44 0.73 0.72 0.56 0.49 0.52 0.21 0.27 0.28 0.28 0.6 0.56 1.1 0.62 0.64 0.66 0.79 1.9 0.83 0.88 1.4 1.1 0.65 0.72 1.7 1.5 1.7 1.6 1.4 1.1 0.54 1.4
no2 6.6 2 3.1 2.5 2.8 2.8 7.3 5 3.8 3.7 2.6 3.6 4.7 5.7 4.5 5 9.3 7.3 5 3.9 3.5 3.4 3.4 2.3 4.5 6.7 8.9 10 8.1 4.5 6 5.3 7.5
o3 66 65 60 59 54 43 29 33 35 47 46 67 63 72 67 61 46 40 38 38 44 52 57 68 72 69 65 51 39 47 38 33 23

FI00339

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 2 0.64 0.91 0.96 0.62 1.4 0.62 0.53 0.5 0.41 0.33 1.8 2.1 0.88 1.3 1.1 1.1 1.3 0.54 0.41 9.4 0.77 0.63 1.7 1.7 1.7 1 1.4 1.6 1.5 1.7 0.37 0.32

FI00370

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 4.4 4.3 5.7 4.6 5.7 7.9 8.8 5 4.1 5.7 5.1 7 5.7 9.9 5.3 5 7.4 7 6.8 8.3 6.9 6.1 9.8 5 7 7.9 7.9 13 7.3 4.1 5.7 4.9 8.7
pm10 12 13 18 15 9.2 7.4 20 6.6 8.8 12 11 20 15 34 19 11 8.6 8.3 18 15 13 13 14 14 21 29 20 20 10 6 8.8 6.9 12
no2 12 10 15 16 18 20 18 15 16 17 11 16 17 25 18 20 31 19 23 22 18 19 17 15 22 24 26 28 20 18 22 16 16

FI00425

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 4 5.1 4.2 4.6 4.4 6.4 3.8 4.1 5.8 5.9 6.2 5.6 9.2 4.6 4.3 5.8 5.8 5.6 7.5 6.5 5.3 8.9 4.9 6.8 7.2 6.9 11 6.8 4.3 5.5 4.2 7.4
pm10 7.7 8.6 10 11 7.5 6 11 6 7.2 9.9 10 13 13 24 12 8.4 6.4 7.9 11 11 11 11 13 11 20 17 13 14 10 7.3 9.7 9.4 15
no2 7.4 7.5 12 12 12 14 15 14 13 9.4 8.7 12 15 19 14 15 23 17 16 16 12 12 12 9.3 18 18 20 24 18 14 17 16 15

FI00564

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 5.4 5.8 6.6 6.1 5.6 5.4 7.8 5.4 6 7.5 7.4 8.6 8.3 11 6.6 6.8 7.5 8.1 7.5 8.2 8 7.1 11 7.3 9.3 8.8 8.1 11 8 5.2 6 5.8 8.7
pm10 11 16 15 17 15 14 22 13 16 19 21 26 26 39 20 14 10 15 21 20 21 23 35 23 40 29 25 26 15 9.7 13 15 28
no2 13 12 17 18 18 20 22 23 23 24 24 24 27 35 22 24 32 24 25 26 26 27 29 24 38 32 34 37 24 20 23 26 25

FI00761

2017-09   2019-12
pollution pm25 hikersbay.com
index 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 4.6 7.8 4.2 4.6 8.1 4.2 4.1 4.4 8.1 5.1 3.9 5.7 5.7 6 6.5 6.3 4.2 7.7 4.1 4.8 7.9 7.2 9.3 5.7 3.6 4.2 4.4 8
pm10 7.6 14 7.7 9 13 8.6 8.6 9.7 22 14 8.6 8.4 8.7 9.7 10 11 8.3 13 9.6 14 21 17 15 9.2 5.8 6.8 7.8 14

FI00781

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
no2 7 6.7 11 9.7 9.2 11 8.7 10 8.7 8.5 6.3 8.6 9.9 14 9.8 11 19 10 13 11 9 9.9 7.3 8.3 12 12 14 16 13 10 13 8.9 7.5
o3 63 65 54 54 51 40 32 34 37 52 49 64 60 70 63 55 40 38 34 37 46 52 54 60 68 66 60 48 36 43 36 33 25

FI00841

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
pm10 13 13 23 19 9.6 7.8 22 9.2 12 13 12 14 18 55 23 9.9 9.3 11 22 15 15 14 17 12 25 40 36 28 14 7.3 13 11 17
no2 6.4 6.7 14 14 16 18 18 17 16 16 12 15 20 30 20 22 33 21 24 21 20 20 16 12 23 28 32 33 23 20 25 19 20

FI00902

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
no2 16 17 25 25 26 27 25 26 28 27 19 26 30 36 30 34 41 26 34 33 31 35
pm10 15 19 24 25 17 16 23 12 11 13 9.7 16 21 33 20 16 8.6 12 25 16 13 15

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