נתוני ניטור עבור תאריך 09/12/2019

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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 Measurement AvaliabilityBenzene Measurement AvaliabilityBenzene Daily Avg (PPB)Benzene Daily Max (PPB)
Igud – Caesarea StationBenzen, PM10, PM2.5, O3, No2, Nox0% (Dysfunctional)100% (Good)0.120.61
Igud – Maayan Zvi StationBenzen, SO2, NO2, NOX, PM2.5, O3, Toluen, Ethylb, O-Xyle99% (Good)100% (Good)0.130.26
Noble – Maayan Zvi StationBenzen, O3, No2, Nox0% (Dysfunctional)100% (Good)0.240.48
Igud – Nahsholim StationBenzen, SO2, NO2, NOX, PM2.5, O3, Toluen, Ethylb, O-Xyle34% (Very Poor)19% (Very Poor)0.370.97
Noble – Dor StationBenzen, O3, No2, Nox0% (Dysfunctional)100% (Good)0.060.12

Pollution Alerts Detected:

StationPollutantMeasured ValueLegal LimitWindDirectionVerbal DirectionHour Of DayNOXPM2.5PM10O3ToluenEthylbXyle
Igud – Nahsholim StationBenzen0.921.250.0 (Measured)North-East09:35:0013.0 (↗)13.0 (↗)1.2 (↗)0.0 (↗)0.83 (↗)14.0 (↗)1.19 (↗)0.83 (↗)0.83 (↗)
Igud – Nahsholim StationBenzen0.961.284.0 (Measured)East09:40:009.0 (↗)9.0 (↗)0.7 (↗)0.0 (↗)0.93 (↗)19.0 (↗)1.29 (↗)0.96 (↗)0.93 (↗)
Igud – Nahsholim StationBenzen0.961.2105.0 (Measured)East09:45:003.0 (↗)4.0 (↗)0.0 (↘)0.0 (↗)0.94 (↗)29.0 (↗)1.29 (↗)0.97 (↗)0.94 (↗)
Igud – Nahsholim StationBenzen0.971.2157.0 (Measured)South-East09:50:003.0 (↗)4.0 (↗)-0.1 (↘)0.0 (↗)0.99 (↗)31.0 (↗)1.29 (↗)1.0 (↗)0.99 (↗)
Igud – Nahsholim StationBenzen0.971.2145.0 (Measured)South-East09:55:003.0 (↗)4.0 (↗)-0.1 (↘)0.0 (↗)1.03 (↗)31.0 (↗)1.29 (↗)1.02 (↗)1.03 (↗)
Igud – Nahsholim StationBenzen0.951.2124.0 (Measured)South-East10:00:003.0 (↗)4.0 (↗)0.0 (↘)0.0 (↗)1.01 (↗)33.0 (↗)1.26 (↗)0.99 (↗)1.01 (↗)

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
  • Each Pollutant 5-Minutes measurements >= 80% Of lowest time resolution legal-limit will be shown as a Pollution Alert (Even though Israel legal standard might refer to daily average)
    • 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)
    • 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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