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Assess the air quality, exposure to radiation, exposure to pollution in the city of Sejny.

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Bewölkt
12°C
Bewölkt
Humidity
71.5%
Wind
3 m/s
Pressure
1008 hPa
Direction
183°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
4° / 12°
Precip.
3.7mm
Max wind
9.7 m/s

Hourly Forecast

05.04
Now
Weather
12°
05.04
18:00
Weather
11°
2.7
05.04
19:00
Weather
10°
0.7
6
05.04
20:00
Weather
7
05.04
21:00
Weather
05.04
22:00
Weather
05.04
23:00
Weather
06.04
00:00
Weather
06.04
01:00
Weather
06.04
02:00
Weather
06.04
03:00
Weather
06.04
04:00
Weather
06.04
05:00
Weather
6
06.04
06:00
Weather
8
06.04
07:00
Weather
9
06.04
08:00
Weather
9
06.04
09:00
Weather
9
06.04
10:00
Weather
9
06.04
11:00
Weather
8
06.04
12:00
Weather
8
06.04
13:00
Weather
9
06.04
14:00
Weather
10
06.04
15:00
Weather
0.1
9
06.04
16:00
Weather
0.2
8

Temperature

12°C
4°C
17:00
12°C
18:00
11°C
19:00
10°C
20:00
9°C
21:00
7°C
22:00
6°C
23:00
6°C
00:00
5°C
01:00
5°C
02:00
5°C
03:00
4°C
04:00
5°C
05:00
5°C
06:00
5°C
07:00
5°C
08:00
5°C
09:00
5°C
10:00
5°C
11:00
5°C
12:00
5°C
13:00
5°C
14:00
5°C
15:00
5°C
16:00
5°C
17:00 04:00 16:00

Precipitation

2.7mm
0mm
18:00
2.7mm
19:00
0.7mm
15:00
0.1mm
16:00
0.2mm
17:00 04:00 16:00

Wind

9.7m/s
0m/s
17:00
3.4 m/s
18:00
3.7 m/s
19:00
6.3 m/s
20:00
7.2 m/s
21:00
2.4 m/s
22:00
2.5 m/s
23:00
3.2 m/s
00:00
4.1 m/s
01:00
4.1 m/s
02:00
4.2 m/s
03:00
3.2 m/s
04:00
4.7 m/s
05:00
5.5 m/s
06:00
7.6 m/s
07:00
8.5 m/s
08:00
8.7 m/s
09:00
9.2 m/s
10:00
9 m/s
11:00
7.9 m/s
12:00
8.1 m/s
13:00
8.6 m/s
14:00
9.7 m/s
15:00
9.4 m/s
16:00
8.1 m/s
17:00 04:00 16:00

Radiation

0.081 uSv
2 km
10.1%

Measurement time: 2026-04-05 15:00

source: remap_europe

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
78.2 km
33
11%

Measurement time: 2026-04-05 17:07

Calculated from PM2.5/PM10

O3
53.4 km
115.49 µg/m3
72.2%

Measurement time: 2026-04-05 18:34

source: OpenWeatherMap

PM2.5
78.2 km
8 µg/m3
9.5%

Measurement time: 2026-04-05 17:07

source: LookO2

PM10
71.1 km
13.1 µg/m3
9.4%

Measurement time: 2026-04-05 19:00

source: powietrzeGios

NO2
85.3 km
2.2 µg/m3
1.1%

Measurement time: 2026-04-05 19:00

source: powietrzeGios

CO
53.4 km
0.13798 mg/m3
1%

Measurement time: 2026-04-05 18:34

source: OpenWeatherMap

SO2
53.4 km
2.47 µg/m3
0.7%

Measurement time: 2026-04-05 18:34

source: OpenWeatherMap

PM1
78.2 km
4 µg/m3

Measurement time: 2026-04-05 17:07

source: LookO2

Info


Sejny is a charming town located in the Podlaskie Voivodeship, in northeastern Poland. Known for its rich history and beautiful landscapes, Sejny delights tourists with its picturesque beauty. Located at a latitude of 54.1 and a longitude of 23.3, this charming town offers many attractions, including historic churches, scenic lakes, and numerous hiking trails. Sejny is the perfect place for nature and history lovers who want to relax in a peaceful atmosphere surrounded by the beauty of nature. Discover the charms of Sejny and immerse yourself in its unique atmosphere!

Country: Poland
Region: Podlaskie
Latitude: 54.10802
Longitude: 23.34698
Sejny has about 5,500 inhabitants.


Solar Energy

Night
0 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Sejny

Nearest Shelters

Miejsce schronienia - ulica Józefa Piłsudskiego 6
MDS

ulica Józefa Piłsudskiego 6, 16-500, Sejny, Sejneński, Podlaskie, sejneński

0.1 km 16 places
Miejsce schronienia - Ul. Plac Św. Agaty 1
MDS

Ul. Plac Św. Agaty 1, 16-500, Sejny, sejneński, podlaskie, sejneński

0.1 km 200 places
Miejsce schronienia
MDS
0.2 km 68 places
Miejsce schronienia - Ul. Plac Św. Agaty 1
MDS

Ul. Plac Św. Agaty 1, 16-500, Sejny, sejneński, podlaskie, sejneński

0.2 km 250 places
Miejsce schronienia - ulica Emilii Plater 1
MDS

ulica Emilii Plater 1, 16-500, Sejny, Sejneński, Podlaskie, sejneński

0.2 km 150 places

Data from the civil protection shelter registry

About Air Quality in Sejny

Air quality in Sejny is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Sejny

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Sejny?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Sejny

If you're planning outdoor activities in Sejny, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.