Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Ostrava
Air quality index (AQI) and PM2.5 air pollution in Ostrava
53.1K people follow this city
Ostrava Air Quality Map
Real-time Ostrava air pollution map
AIR QUALITY DATA CONTRIBUTORS
Czech Hydrometeorological Institute
See all
Pollen
What is the pollen count in Ostrava today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Ostrava?
| Weather | Broken clouds |
| Temperature | 60.8°F |
| Humidity | 48% |
| Wind | 12.2 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Czech Republic city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Ostrava, Moravskoslezsky | 56 |
| 2 | Brno, South Moravian | 45 |
| 3 | Prague, Praha | 45 |
| 4 | Pilsen, Plzensky | 44 |
| 5 | Hradec Kralove, Kralovehradecky | 40 |
| 6 | Usti nad Labem, Ustecky | 40 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Ostrava aqi ranking
Real-time Ostrava air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Ostrava-Privoz | 75 |
| 2 | Ostrava - Hrusov | 68 |
| 3 | Ostrava-Fifejdy | 65 |
| 4 | Ostrava-Marianske Ho | 57 |
| 5 | Ostrava-Poruba, DD | 57 |
| 6 | Ostrava-Zabreh | 55 |
| 7 | Ostrava-Ceskobratrsk | 53 |
| 8 | Ostrava-Radvanice ZU | 41 |
| 9 | Ostrava-Radvanice OZO | 37 |
(local time)
SEE WORLD AQI RANKING
US AQI
56
live AQI index
Moderate
Overview
What is the current air quality in Ostrava?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 56 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 14.4µg/m³ | |
| PM10 | 22.9µg/m³ | |
| O3 | 65.2µg/m³ | |
| NO2 | 21.7µg/m³ | |
| SO2 | 5.6µg/m³ | |
| CO | 377.3µg/m³ | |
!
PM2.5
x2.9
PM2.5 concentration in Ostrava is currently 2.9 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Ostrava?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Ostrava air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, Apr 24 | Moderate 73 AQI US |  | 46.4° 35.6° |  8.9 mp/h |
| Thursday, Apr 25 | Moderate 53 AQI US | | 51.8° 33.8° | 11.2 mp/h |
| Friday, Apr 26 | Good 40 AQI US  | | 55.4° 35.6° | 11.2 mp/h |
| Today | Moderate 56 AQI US | 20% | 60.8° 41° | 11.2 mp/h |
| Sunday, Apr 28 | Good 47 AQI US | | 69.8° 44.6° | 13.4 mp/h |
| Monday, Apr 29 | Good 44 AQI US | | 73.4° 51.8° | 8.9 mp/h |
| Tuesday, Apr 30 | Good 41 AQI US | | 75.2° 53.6° | 8.9 mp/h |
| Wednesday, May 1 | Moderate 56 AQI US |  | 73.4° 50° | 11.2 mp/h |
| Thursday, May 2 | Moderate 56 AQI US | | 64.4° 51.8° | 15.7 mp/h |
| Friday, May 3 | Moderate 56 AQI US | 60% | 66.2° 50° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Ostrava air quality data attribution
1Contributor
- Czech Hydrometeorological Institute
9 stations
Government Contributor
Where is the cleanest air quality in Ostrava?
AQI US, Metric