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Air quality, pollen & UV in Ostrava

Updated 7 Oct, 06:02 GMT

Ostrava has moderate air quality today (European AQI 46), with all monitored pollen types low or absent and the UV index peaking at 3 (low). The day stays dry: temperatures rise from 6°C at 07:00 to 22°C at 15:00, with barely any wind and 96% humidity.

With an air quality index of 46, Ostrava today sits around the average for Czechia (45). Of the 5 cities we track in Czechia, Ostrava ranks 4 for the cleanest air. Right now the index is driven mainly by PM2.5 (26 µg/m³). Among pollen types, Mugwort is the most present right now (2 grains/m³, low).

European AQI
46Moderate
UV index · max today
3Low
Pollutant breakdownDetails
PM2.5
25.6 µg/m³
PM10
34.2 µg/m³
NO₂
31.7 µg/m³
Ozone
26 µg/m³
Saharan dust
1 µg/m³

Air quality today

Good to do today?

🏃
Running / sport
Take care
🪟
Windows open
Fine
🧒
Kids outside
Take care
🍽️
Outdoor dining
Fine

Best time to be outside

Air quality stays steady all day - no standout window.

Who should take care today

How affected are you in Ostrava today? Anonymous · shared with other visitors.

Pollen levels right now

PollenLevelCount
AlderNone0 grains/m³
BirchNone0 grains/m³
GrassLow0.2 grains/m³
MugwortLow2.3 grains/m³
OliveNone0 grains/m³
RagweedLow0.1 grains/m³

Sun & UV today

UV index by hour

000112232110006070809101112131415161718

Sun protection

🧴
Sunscreen
Not needed
🕶️
Sunglasses
Not needed
⏱️
Burn time
Low risk
⛱️
Seek shade
Not needed

Next days outlook

DateMax AQIMax UV
7 Oct49 Moderate3 Low
8 Oct44 Moderate2 Low
9 Oct42 Moderate3 Low
What do these values mean?

The European Air Quality Index (EAQI) runs from good to extremely poor based on PM2.5, PM10, NO₂ and ozone. Lower is better.

GoodEAQI 0–20
FairEAQI 20–40
ModerateEAQI 40–60
PoorEAQI 60–80
Very poorEAQI 80–100
Extremely poorEAQI 100+

Pollen is shown in grains per m³ of air and banded from none to very high. Thresholds differ per plant type and are indicative.

The UV index runs from low (0–2) to extreme (11+). From moderate (3+), wear sunscreen and seek shade around midday.

Ostrava air quality, pollen & UV - FAQ

Is the air quality in Ostrava good right now?
Ostrava has moderate air quality today (European AQI 46), with all monitored pollen types low or absent and the UV index peaking at 3 (low). The day stays dry: temperatures rise from 6°C at 07:00 to 22°C at 15:00, with barely any wind and 96% humidity. Sensitive groups should consider limiting prolonged outdoor exertion.
What is the pollen forecast in Ostrava today?
All monitored pollen types are low or absent in Ostrava right now.
How often is the Ostrava air quality data updated?
Air quality and pollen for Ostrava are refreshed every day from the Copernicus CAMS European model via Open-Meteo.
How strong is the UV in Ostrava today?
The UV index in Ostrava peaks at 3 (low) today. From moderate (3 or higher), use sunscreen and seek shade around midday.
Levels are indicative, based on the Copernicus CAMS European model, and are not a medical diagnosis. If you have asthma or a severe allergy, follow your doctor’s advice.

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