In accordance with Law no. 104/2011 on ambient air quality responsibility for monitoring ambient air quality in Romania returns the environmental protection authorities.

Monitored pollutants, measurement methods, limit values, alert thresholds and criteria information and location of monitoring points are determined by national law on atmosphere protection and conform to the requirements laid down by European regulations.

Currently RNMCA continuous measurements of sulfur dioxide (SO2), nitrogen oxides (NOx), carbon monoxide (CO), ozone (O3), particulate matter (PM10 and PM2.5), benzene (C6H6), lead (Pb), arsenic (As), cadmium (Cd), nikel (Ni), benzo(a)pyrene. Air quality in each station is represented by the suggestive quality indices, derived from the main air pollutants measured concentration values.

Currently in Romania are located 148 continuous air quality monitoring stations, equipped with automatic measurement of main air pollutants. RNMCA comprises 41 local centers that gather and disseminate public information panels data from stations and transmit them after the primary validation for certification to National Reference Laboratory for Air Quality (LNRCA) of the National Environmental Protection Agency.

In this site displaying the data provided by the 41 local centers for data collection.