MONTHLY SUMMARY for 2025-10 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 Date PM2.5 PM2.5 Time PM2.5 Time PM10 PM10 Time PM10 Time -------------------------------------------------------------------------------------- 2025-10-01 --- --- --- --- --- --- --- --- --- --- 2025-10-02 --- --- --- --- --- --- --- --- --- --- 2025-10-03 --- --- --- --- --- --- --- --- --- --- 2025-10-04 --- --- --- --- --- --- --- --- --- --- 2025-10-05 7.9 41.5 21:00 1.3 17:15 10.4 58.3 21:00 2.1 16:45 2025-10-06 10.9 46.5 08:30 3.1 12:30 13.8 56.7 08:30 3.6 13:15 2025-10-07 9.4 42.2 23:15 1.7 14:15 12.2 55.6 23:15 2.6 14:15 2025-10-08 11.1 52.0 01:00 2.4 14:00 14.8 67.2 01:00 3.3 14:00 2025-10-09 14.1 52.1 08:00 1.4 00:30 19.2 73.2 08:00 2.0 00:30 2025-10-10 19.8 78.6 23:30 3.0 15:30 26.2 108.8 01:30 3.7 15:30 2025-10-11 16.6 62.9 07:45 1.5 18:00 22.9 89.4 07:45 2.1 18:00 2025-10-12 14.5 52.8 08:00 1.6 14:15 18.4 68.2 08:00 2.2 14:15 2025-10-13 24.7 88.4 23:30 8.6 14:45 32.1 117.0 23:30 10.3 14:45 2025-10-14 29.1 102.4 01:00 9.2 17:30 36.3 140.6 01:00 10.7 16:30 2025-10-15 22.5 87.2 23:30 7.7 17:45 28.3 112.7 23:30 9.3 17:45 2025-10-16 19.1 68.0 00:30 5.2 20:00 25.1 83.7 05:45 6.3 20:00 2025-10-17 --- --- --- --- --- --- --- --- --- --- 2025-10-18 --- --- --- --- --- --- --- --- --- --- 2025-10-19 11.3 17.9 22:00 8.2 22:15 14.7 23.5 22:00 10.8 22:15 2025-10-20 19.4 66.7 23:30 5.2 15:00 25.5 84.0 23:30 6.8 15:00 2025-10-21 21.0 68.1 03:15 6.6 18:00 26.9 87.5 03:15 8.7 18:00 2025-10-22 20.9 73.0 21:30 6.3 17:30 26.6 95.7 21:30 7.8 17:30 2025-10-23 19.9 66.1 06:45 3.6 17:15 26.8 91.8 06:45 5.0 17:15 2025-10-24 8.9 34.7 23:45 2.4 16:00 12.4 45.6 23:45 3.9 16:00 2025-10-25 16.1 98.1 07:45 1.2 14:30 22.1 124.4 07:45 1.9 14:30 2025-10-26 25.6 70.5 01:30 5.9 12:15 34.0 90.7 01:30 9.2 12:15 2025-10-27 16.4 66.2 00:15 0.9 15:30 22.2 85.0 00:15 1.9 15:30 2025-10-28 18.7 63.8 23:15 1.6 15:00 26.4 76.4 23:15 2.8 15:00 2025-10-29 20.9 46.4 00:30 8.2 11:30 32.8 69.0 07:30 9.6 11:30 2025-10-30 42.2 76.7 23:30 8.2 21:15 53.2 100.5 23:30 9.6 21:15 2025-10-31 25.8 127.6 22:45 1.8 15:00 32.8 152.5 22:45 3.3 15:15 -------------------------------------------------------------------------------------- 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