Air quality · Ostrava
CSENAir-quality index
Fair
33EAQI
GoodExtreme
Air quality is acceptable for most people.
Measured · nearest station
Ostrava-Fifejdy · 1.4 km from the cityPM10
23µg/m³
Nitrogen dioxide (NO₂)
18µg/m³
NOx
19µg/m³
Ozone (O₃)
70µg/m³
Sulphur dioxide (SO₂)
3µg/m³
Measured by the ČHMÚ monitoring network. · updated 26/08/2026, 16:00:00
Outdoor score
68
air quality and pollen combined
Outlook (EAQI)
EAQI next 3 days · higher = worse
4318
nowThuFri
Sensitive groups
Asthma & respiratoryChildrenSeniorsPregnant
Source: Open-Meteo (CAMS) · 26/08/2026, 18:00:00
The EAQI index and outlook are modelled (CAMS); the measured values above come from the ČHMÚ network.