National Institute of Meteorology and Hydrology

National Institute of Geophysics, Geodesy and Geography- Bulgarian Academy of Science

National Research Program "Environmental Protection and Reduction of Adverse Events and Natural Disasters Risks"

CHOICE OF POLLUTANT

 
72-hours forecast:
Nitrogen Dioxide (NO2)
Ozone (O3)
Sulfur Dioxide (SO2)
Fine Particulate Matter 10 μm (PM10)
Fine Particulate Matter 2.5 μm (PM2.5)
Air Quality Index (AQI)
Universal Thermal Index (UTCI)

Description of the system for forecasting of the atmospheric pollution (KWFS)
Bulgarian legislation for Ozone (O3):
Daily maximum (8-hour running average) threshold (D8T): 120 μg/m3
Permitted number of exceedings of D8T in a year: 25 (mean for 3 years)
Information threshold (hourly value): 180 μg/m3
Alert threshold (hourly value): 240 μg/m3
 

SELECT REGION
FOR FORECAST