Air quality · Ostrava
CSENAir-quality index
Fair
26EAQI
GoodExtreme
Air quality is acceptable for most people.
Measured · nearest station
Ostrava-Českobratrská (hot spot) · 0.8 km from the cityPM2.5
3µg/m³
PM10
7µg/m³
Nitrogen dioxide (NO₂)
25µg/m³
NOx
47µg/m³
CO
132µg/m³
Measured by the ČHMÚ monitoring network. · updated 23/07/2026, 16:00:00
Outdoor score
76
air quality and pollen combined
Outlook (EAQI)
EAQI next 3 days · higher = worse
3912
nowFriSat
Sensitive groups
Asthma & respiratoryChildrenSeniorsPregnant
Source: Open-Meteo (CAMS) · 23/07/2026, 19:00:00
The EAQI index and outlook are modelled (CAMS); the measured values above come from the ČHMÚ network.