Ostrava-Marianske Hory
Monitoring Station
· Ostrava, Czech Republic
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
55
11am
55
—
—
2pm
—
—
—
5pm
—
—
—
8pm
—
—
—
11pm
—
—
—
2am
—
—
—
5am
—
—
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8am
—
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Station readings
55
55
Air Quality Trend (24h)
PM2.514.0 µg/m³
✓ WHO
Moderate
PM1019.0 µg/m³
Good
Gas Pollutants
O₃
39.6
µg/m³
NO₂
1.9
µg/m³
SO₂
1.9
µg/m³
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53
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75
CHMU, Ostrava-Poruba, Moravskoslezsky, Czech Republic
33
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75
Frydek-Mistek, Moravskoslezsky, Czech Republic
54
Karvina
57
Karvina ZU
61
Cesky Tesin, Moravskoslezsky, Czech Republic
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T14:18 UTC.