נתוני ניטור עבור תאריך 10/12/2019

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Monitoring Stations Location:

StationHeight (Meters)Map LocationLeviathan Distance (KM)Leviathan Direction To Station
Igud – Caesarea Station20Avaliable12.9North-West
Igud – Maayan Zvi Station106Avaliable12.9West
Noble – Maayan Zvi Station106Avaliable12.9West
Igud – Nahsholim Station6Avaliable11.4West
Noble – Dor Station16Avaliable10.8West

Monitoring Stations Avaliability:

StationRelevant Monitored PollutantsWind MeasurementBenzene MeasurementBenzene Daily Avg (PPB)Benzene Daily Max (PPB)
Igud – Caesarea StationBenzen, PM10, PM2.5, O3, No2, Nox0% (Dysfunctional)84% (Reasonable)0.140.22
Igud – Maayan Zvi StationBenzen, SO2, NO2, NOX, PM2.5, O3, Toluen, Ethylb, O-Xyle100% (Good)100% (Good)0.150.31
Noble – Maayan Zvi StationBenzen, O3, No2, Nox0% (Dysfunctional)100% (Good)0.250.45
Igud – Nahsholim StationBenzen, SO2, NO2, NOX, PM2.5, O3, Toluen, Ethylb, O-Xyle100% (Good)100% (Good)0.170.22
Noble – Dor StationBenzen, O3, No2, Nox0% (Dysfunctional)100% (Good)0.080.12
No Pollution Alerts Detected

Monitoring Gaps Alerts Detected:

StationStart TimeEnd TimeTotal Unmonitored Time
Igud – Caesarea Station08:25:0011:50:003:25:00

Notes:

  • This report integrates and calculates monitoring data from both the Israeli MoEP and Igud Arim Sharon-Carmel monitoring sites
  • 'Clean Air Law' legal Air value max limits can be found here
    • Benzene Israeli Max allowed 24-Hours Average limit is 1.2 PPB
  • For each monitoring station, Avaliability grade is calculated, as well as daily average and maximum Benzene level
    • On properly operated stations, measurements should be conducted once per 5 minutes, producing high Avaliability grade
    • Stations that do not monitor for more than 1-Hour will produce a Monitoring Gap Alert, For more than 4-Hours a broadcast email would be sent
  • Each Pollutant 5-Minutes measurements >= 75% Of lowest time resolution legal-limit will be shown as a Pollution Alert (Even though Israel legal standard might refer to daily average)
    • Pollution Alerts are meant to give an early warning in order to prevent violations of the daily legal limit – Not to wait for a full day of violations to occur before alerting the public
    • Alerts are defined for the following monitored pollutants (Bound to station limitations): Benzen, Toluen, PM2.5, PM10, NOX, NO2, SO2, O3
    • For each alerted pollutant, full-day graph will be generated (With legal limit marked as red line) and a broadcast email would be sent
    • For each Benzen alert, All other pollutants at the time of alert are also dispalyed, including pollutants direction trend (↗ ↘ Arrows calculated comparing current pollutant value to it's running average)
  • For Benzen, Full-day graphs will always be generated (Even without alert), since as a worst-case BTEX indicator pollutant we would like be aware of even partial unusual increase
  • Verbal description of the Pollutants Source Direction is calculated from wind data for each alert
    • Stations without wind measurements, Receive simulated average wind direction of nearby stations
    • Leviathan's direction to each monitoring station is displayed and can be compared to alerts directions

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