ANNUAL SUMMARY for 2025
National Observatory of Athens
Institute of Environmental Research and Sustainable Development, meteo.gr

Station Name: Perithori
Station Latitude: 41.31329° N
Station Longitude: 23.77941° E
Station Elevation: 0m
Date/Time in: Local Time


                                                                                      
              Mean     Max            Min           Mean     Max            Min       
YYYY-MM      PM2.5   PM2.5    Day   PM2.5    Day    PM10    PM10    Day    PM10    Day
--------------------------------------------------------------------------------------
2025-01       55.7   395.8     22     0.7     22    73.6   494.0     22     1.0     22
2025-02       31.5   273.4     22     0.5     22    38.5   368.4     22     0.9     22
2025-03       22.7   233.0     22     1.1     22    30.4   321.5     22     1.5     22
2025-04       13.9   102.5     22     0.8     22    18.6   140.8     22     1.3     22
2025-05        5.5    84.7     22     0.2     22     8.0    92.0     22     0.5     22
2025-06        8.3    27.1     22     2.1     22    11.3    36.6     22     2.8     22
2025-07        6.5    69.0     22     1.0     22     9.1    79.2     22     1.6     22
2025-08        4.6    31.4     22     1.0     22     6.5    42.0     22     1.5     22
2025-09        3.9    30.7     22     0.5     22     6.1    46.0     22     1.0     22
2025-10       18.7   127.6     22     0.9     22    24.6   152.5     22     1.9     22
2025-11       23.9   193.0     22     1.3     22    32.5   288.5     22     2.2     22
2025-12        ---     ---    ---     ---    ---     ---     ---    ---     ---    ---
--------------------------------------------------------------------------------------

PM concentration (ug/m^3), CO (ppm)

Data Strength / Availability
--------------------------------
**** : 80-100% of data available
***  : 60-80%  of data available
**   : 40-60%  of data available
*    : 20-40% of data available
     : most of data missing