התראת חריגות ניטור בתאריך 16/12/2019

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Monitoring Stations Avaliability:

StationRelevant Monitored PollutantsWind MeasurementBenzene MeasurementMap LocationHeightLeviathan Distance (KM)Leviathan Direction To Station
Igud – Caesarea StationBenzen, PM10, PM2.5, EthylB, TOLUENE, O3, No2, Nox0% (Dysfunctional)100% (Good)Zoom-In2012.9North-West
Igud – Maayan Zvi StationBenzen, SO2, NO2, NOX, PM2.5, O3, Toluen, Ethylb, O-Xyle100% (Good)100% (Good)Zoom-In10612.9West
Noble – Maayan Zvi StationBenzen, O3, No2, Nox, EthylB, TOLUENE0% (Dysfunctional)100% (Good)Zoom-In10612.9West
Igud – Nahsholim StationBenzen, SO2, NO2, NOX, PM2.5, O3, Toluen, Ethylb, O-Xyle100% (Good)100% (Good)Zoom-In10611.4West
Noble – Dor StationBenzen, O3, No2, Nox, EthylB, TOLUENE0% (Dysfunctional)100% (Good)Zoom-In1610.8West

Pollutants Averages Compared To Legal Values:

 BenzeneBenzeneBenzeneToluenEthylbOXyleNOXNOXNO2PM2.5PM2.5PM10PM10O3O3SO2SO2
Legal LimitNone1.2None1000NoneNone500298106None37.5None130None7113419
Time PeriodHourlyDailyMaxDailyDailyDailyHalf HourlyDailyHourlyHourlyDailyHourlyDailyHourly8-HourlyHourlyDaily
Igud – Caesarea Station0.410.210.440.420.07 35.5213.8018.1518.8913.6073.3944.5041.8832.53  
Igud – Maayan Zvi Station0.410.240.460.300.070.0923.8310.3917.6720.1715.910.180.0939.9238.851.571.13
Noble – Maayan Zvi Station0.750.420.830.520.05 27.6811.4518.26    46.9345.59  
Igud – Nahsholim Station0.320.240.340.510.070.1240.6715.5223.0028.4518.110.170.1241.6729.581.870.98
Noble – Dor Station0.220.130.240.190.02 31.9015.5126.63    46.1731.80  

Pollution Event Alerts Detected:

StationPollutantMeasured ValueLegal LimitWindDirectionVerbal DirectionHour Of DayNOXNO2SO2PM2.5PM10O3ToluenEthylbXyle
Igud – Maayan Zvi StationPM2.528.537.591.0 (Measured)East08:50:00     
Igud – Nahsholim StationPM2.529.737.5102.0 (Measured)East01:15:00     
Igud – Nahsholim StationPM2.533.837.5112.0 (Measured)East01:20:00     
Igud – Nahsholim StationPM2.532.237.5119.0 (Measured)South-East01:25:00     
Igud – Nahsholim StationPM2.528.837.5124.0 (Measured)South-East01:30:00     
Igud – Nahsholim StationPM2.530.337.558.5 (*Simulated*)North-East17:45:00     
Igud – Nahsholim StationPM2.533.737.550.0 (Measured)North-East17:55:00     
Igud – Nahsholim StationPM2.534.137.553.0 (Measured)North-East18:00:00     
Igud – Nahsholim StationPM2.533.937.554.0 (Measured)North-East18:05:00     
Igud – Nahsholim StationPM2.532.537.561.0 (Measured)North-East18:10:00     
Igud – Nahsholim StationPM2.531.737.562.0 (Measured)North-East18:15:00     
Igud – Nahsholim StationPM2.531.737.555.0 (Measured)North-East18:20:00     
Igud – Nahsholim StationPM2.530.137.548.0 (Measured)North-East18:25:00     

 

No Monitoring Gap Alerts Detected

 

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 Event Alert (Even though Israel legal standard might refer to daily average)
    • Pollution Event 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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