Worst air pollution Opava, today and tomorrow
Today (16 July): Air quality in Opava is fair. PM2.5 and PM1 are fair; AQI, NO2, and O3 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 6:00 PM (O3: 56.5/100).
Tomorrow (17 July 2026): Air quality in Opava is fair. SO2 increases to fair; PM1 decreases to medium; all other pollutants stay as today. Pollution peaks around 5:00 AM (NO2: 57.6/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Opava's air quality reflects the Opava river valley in the Czech-Polish Silesian border region, with vehicle traffic on the R46 expressway and surrounding manufacturing industry contributing local sources alongside winter residential coal burning. The Jeseníky mountains to the south create topographic variation, while the proximity to the Czech-Polish Ostrava-Karviná industrial district elevates regional background PM2.5 significantly and the coal dependency in the broader Upper Silesian corridor makes Opava one of the Czech Republic's more industrially influenced border cities.
Today - 16 July | Pollution peaks at 18:00
AQI:
Medium
56.5/100
PM2.5 (fine particles):
Fair
25.2/100
PM10 (coarse particles):
Good
7.1/100
NO2 (nitrogen dioxide):
Medium
46.8/100
O3 (ozone):
Medium
56.5/100
SO2 (sulfur dioxide):
Good
18.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.8/100
PM1 (ultrafine particles):
Fair
31.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 05:00
AQI:
Medium
57.6/100
PM2.5 (fine particles):
Fair
37.7/100
PM10 (coarse particles):
Good
10.8/100
NO2 (nitrogen dioxide):
Medium
57.6/100
O3 (ozone):
Medium
56.3/100
SO2 (sulfur dioxide):
Fair
21.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.8/100
PM1 (ultrafine particles):
Medium
41.6/100
Pollen forecast in Opava
View pollen forecastFrequently Asked Questions
Is air quality bad in Opava right now?
On 16 July 2026, overall air quality in Opava is fair. PM1 is the main pollutant at 31.7/100. Pollution peaks around 6:00 PM (O3: 56.5/100).
Will air quality be worse tomorrow in Opava?
On 17 July 2026, air quality conditions in Opava will be similar to today, with PM2.5 forecast at fair at 37.7/100. Pollution peaks around 5:00 AM (NO2: 57.6/100).
When is air pollution at its worst in Opava?
Residents in Opava are most likely to spot reduced air quality when fringe oak and birch pollen peaks, or due to vehicle traffic on the R46 expressway and local manufacturing industry; conditions generally improve once the season shifts and rainfall or stronger winds return.
Are air quality levels in Opava based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app