Air quality in Znojmo, Southeast, Czechia today
Mr. Duck’s Air Quality Score
Moderate air today for Znojmo, Southeast, Czechia
This friendly indicator summarizes the latest city readings. For health guidance, please see: EPA AirNow or WHO.
Air quality today
The air quality in Znojmo today is classified as Moderate. The primary pollutant measured is PM2.5, fine particulate matter that is being tracked alongside PM10. According to the latest OpenAQ data, the PM2.5 concentration stands at 11.4 µg/m³ and the PM10 level is recorded at 22.2 µg/m³, based on three valid measurements.
These values reflect the current monitoring snapshot for Znojmo in the Southeast region of Czechia. This page is informational; for health guidance, use official sources such as EPA AirNow or WHO.
Latest sensor values
PM categories follow US EPA AQI breakpoints, shown here as an estimate derived from the latest valid measurements (this project does not compute EPA NowCast/24-hour AQI yet).
What the data includes
The Znojmo air‑quality dataset contains four measured pollutants – nitrogen monoxide (NO), nitrogen dioxide (NO₂), particulate matter 10 µm or less (PM₁₀) and particulate matter 2.5 µm or less (PM₂.₅). All values come from a single monitoring station, so the data set consists of one row per pollutant. The most recent measurement for NO dates back to 2024‑03‑11 10:00 UTC, while the other three pollutants were last updated on 2026‑02‑10 14:00 UTC, indicating that the newest timestamps are within the past few days for NO₂, PM₁₀ and PM₂.5 but more than a year old for NO.
Across the four pollutants the recorded concentrations are identical to their minimum, median and maximum values, showing no observed variation in this snapshot. NO registers 1.1 µg/m³, NO₂ 17.0 µg/m³, PM₁₀ 22.2 µg/m³ and PM₂.5 11.4 µg/m³; each pollutant’s 10th and 90th percentiles match these single‑point figures as well. Because only one station contributes data, the dataset does not capture spatial differences within Znojmo, and the lack of multiple rows means there is no spread to describe for any pollutant.
In summary, the city’s air‑quality record offers a very limited view: four pollutants are represented, all from a single source, with three of them refreshed within the last few days and one (NO) still reflecting an older reading. Users should keep in mind that conditions can change across neighborhoods and over time, and this snapshot does not reflect such variability.
Learn more about sources and filtering: About the data.
Trusted references: WHO (Air pollution) · US EPA AirNow · European Environment Agency (Air)
Latest sensor values (bars)
PM categories follow US EPA AQI breakpoints, shown here as an estimate derived from the latest valid measurements (this project does not compute EPA NowCast/24-hour AQI yet).
Data notes
The data shown for Znojmo are based on three valid measurements and were updated within 3 days, with the latest reading recorded at 2026‑02‑10T14:00:00+00:00. This snapshot reflects conditions at a specific time and place; air quality can differ across neighborhoods and fluctuate throughout the day, so values may not represent every location or moment in the city.
OpenAQ station rows
| Station | Parameter | Value | Unit | Last updated |
|---|---|---|---|---|
| Znojmo | no | 1.1 | µg/m³ | 2024-03-11 10:00 UTC |
| Znojmo | no2 | 17.0 | µg/m³ | 2026-02-10 14:00 UTC |
| Znojmo | pm10 | 22.2 | µg/m³ | 2026-02-10 14:00 UTC |
| Znojmo | pm25 | 11.4 | µg/m³ | 2026-02-10 14:00 UTC |