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Ostrava (Moravskoslezský) (CZ)

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

Bezchmurnie
17°C
Bezchmurnie
Humidity
34.5%
Wind
8 m/s
Pressure
1003.3 hPa
Direction
180°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
8° / 17°
Precip.
0mm
Max wind
7.6 m/s

Hourly Forecast

14.03
Now
Weather
17°
8
14.03
13:00
Weather
17°
7
14.03
14:00
Weather
16°
7
14.03
15:00
Weather
16°
6
14.03
16:00
Weather
14°
14.03
17:00
Weather
13°
14.03
18:00
Weather
12°
14.03
19:00
Weather
11°
14.03
20:00
Weather
11°
14.03
21:00
Weather
10°
14.03
22:00
Weather
10°
5
14.03
23:00
Weather
10°
5
15.03
00:00
Weather
10°
5
15.03
01:00
Weather
10°
6
15.03
02:00
Weather
6
15.03
03:00
Weather
6
15.03
04:00
Weather
6
15.03
05:00
Weather
15.03
06:00
Weather
15.03
07:00
Weather
15.03
08:00
Weather
11°
15.03
09:00
Weather
13°
15.03
10:00
Weather
15°
15.03
11:00
Weather
16°

Temperature

17°C
8°C
12:00
17°C
13:00
17°C
14:00
16°C
15:00
16°C
16:00
14°C
17:00
13°C
18:00
12°C
19:00
11°C
20:00
11°C
21:00
10°C
22:00
10°C
23:00
10°C
00:00
10°C
01:00
10°C
02:00
9°C
03:00
9°C
04:00
9°C
05:00
8°C
06:00
8°C
07:00
9°C
08:00
11°C
09:00
13°C
10:00
15°C
11:00
16°C
12:00 23:00 11:00

Precipitation

0mm
0mm
12:00 23:00 11:00

Wind

7.6m/s
0m/s
12:00
7.6 m/s
13:00
7.4 m/s
14:00
7 m/s
15:00
5.9 m/s
16:00
5 m/s
17:00
4.6 m/s
18:00
4.2 m/s
19:00
4 m/s
20:00
4.5 m/s
21:00
5 m/s
22:00
5.2 m/s
23:00
5.2 m/s
00:00
5.2 m/s
01:00
5.5 m/s
02:00
5.7 m/s
03:00
6 m/s
04:00
5.5 m/s
05:00
4.1 m/s
06:00
2.7 m/s
07:00
2.6 m/s
08:00
2.9 m/s
09:00
3.4 m/s
10:00
3.6 m/s
11:00
3.8 m/s
12:00 23:00 11:00

Radiation

0.115 uSv
0.3 km
14.4%

Measurement time: 2026-03-14 12:21

source: radioactiveAtHome

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
0.8 km
117
39%

Measurement time: 2026-03-14 11:00

Calculated from PM2.5/PM10

PM2.5
0.8 km
42 µg/m3
50%

Measurement time: 2026-03-14 11:00

source: Aqicn

PM10
0.8 km
41 µg/m3
29.3%

Measurement time: 2026-03-14 11:00

source: Aqicn

O3
0.8 km
39.6 µg/m3
24.8%

Measurement time: 2026-03-14 11:00

source: Aqicn

NO2
0.8 km
3 µg/m3
1.5%

Measurement time: 2026-03-14 11:00

source: Aqicn

SO2
0.8 km
1.9 µg/m3
0.5%

Measurement time: 2026-03-14 11:00

source: Aqicn

Info


Country: Czechia
Latitude: 49.83465
Longitude: 18.28204


Solar Energy

Moderate
426.4 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Ostrava

Nearest Shelters

Miejsce schronienia
MDS
14.9 km 253 places
Miejsce schronienia - Gorzyce
MDS

Gorzyce, Powiat Wodzisławski, Woj. Śląskie, Powiat Wodzisławski, wodzisławski

15.5 km 200 places
Miejsce schronienia
MDS
17.1 km 80 places
Miejsce schronienia
MDS
18.0 km 80 places
Miejsce schronienia
MDS
18.0 km 146 places

Data from the civil protection shelter registry

About Air Quality in Ostrava

Air quality in Ostrava 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 Ostrava

  • 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 Ostrava?

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 Ostrava

If you're planning outdoor activities in Ostrava, 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.