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30 September
7:04
11:40
18:44
Current weather
14.1 °
Wind
  2 m/s
Humidity
  90 %
Air pres.
  736 mm
Weather
forecast
30.09 We 1.10 Th 2.10 Fr 3.10 Sa 4.10 Su
Night Day Night Day Night Day Night Day Night Day
Cloudiness and precipitation
Temperature, °C 10..12 14..16 10..12 14..16 10..12 14..16 8..10 16..18 8..10 16..18
Wind, m/s 7-12 7-12 7-12 7-12 7-12 7-12 7-12 7-12 7-12 7-12
direction of the wind

Monthly Review

The average values EDR per month                      

City  [nSv/h]  

 During September 2020, the average monthly results of the determination of the exposure dose rate (EDR) at the monitoring points of the radiometric network of the National Hydrometeorological Service (NHMS) in different regions of Ukraine (outside the exclusion zone of the Chornobyl NPP) ranged from 64 nSv/h (M Kupiansk) to 154 nSv/h (M Korosten'), the minimum and maximum indicators of EDR, the variation of which for each monitoring point was mainly due to measuring errors, was recorded  in M Zatyshshia (52nSv/h) and M Korosten' (166 nSv/h) respectively.

In general, the overall radiation situation in Ukraine was steady and depended on the distribution of natural radionuclides in the upper layers of the earth.

 The impact of aerosol emissions of NPP on the level of radioactive contamination of atmospheric air was disappearing small.

 Doses of additional irradiation of the population of Ukraine as a result of the operation of the NPP were significantly lower than the permissible levels determined by the Radiation Safety Standards of Ukraine (RSSU).

 The general distribution of the averaged per month of the EDR indicators on the radiometric network of the NHMS of Ukraine is presented in Fig.1. These indicators are ranged from 64 to 129 nSv/h on more than 90 % of Ukraine's territory. The highest values of EDR were observed on the territory that was subjected to significant radioactive contamination as a result of the Chernobyl accident, and on the observation points of the radiometric network of NHMS  M Korosten' 154 nSv/h, and on  M Chornobyl-174nSv/ h.

 The table shows the average of the EDR values per month in all regional centres of Ukraine, the city of Kyiv and the town of Chernobyl.

 The results of the measurements show that in September there was no movement of air masses across Ukraine, which would be contaminated with radioactive substances of technogenic origin and capable of increasing the level of natural radiation background.

                         

 
Vinnytsia 124    
Dnipro 108    
Donetsk data is not available    
Zhytomyr 108    
Zaporizhzhya 99    
Ivano-Frankivs'k 91    
Kyiv 104    
Kropyvnytskyi 122    
Lugans'k data is not available    
Lutsk 90    
Lviv 89    
Mykolaiv 104    
Odesa 93    
Poltava 99    
Rivne 107    
Simferopol' data is not available    
Sumy 113    
Ternopil' 113    
Uzhgorod 109    
Kharkiv 92  
 
Kherson 123    
Khmelnytskyi 105    
Cherkasy 114    
Chernivtsi 119    
Chernigiv 119    
Chornobyl 174    

 

 


Fig.1.
 The radiometric network of  NHMS of Ukraine. Averaged the values of EDR indicators per month. 

 

 

 

 

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