Information about air quality in the Czech Republic

Preliminary overview of the ambient limits exceedances

calculated of both operational data (yet unverified) and verified data

Updated: 2024-12-22 03:19 CET

Values ​​from the air quality monitoring stations, of which the measured concentrations are delivered to the national database AQIS (Air Quality Information System).

The number of ambient limit value exceedances,
red marked exceeded the ambient limit value
2024 - data supplier to ISKO
CHMI
Others
Overview of the target ambient limit values
exceedances of O₃ and AOT40
2024 - data supplier to ISKO
CHMI
Others

Overview of the (target) ambient limits exceedances for previous years can be found in tabular yearbooks , as well as information about the exceedances of annual ambient limits.


Informing the public about the level of pollution by lead and benzene

Running average concentrations over 12 months

01.02.2023 - 01.02.2024 - data supplier to ISKO
CHMI
Others