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Air Quality Monitoring in São Paulo Metropolitan Area CETESB - São Paulo State Environmental Agency Maria Helena R. B. Martins eqq_cetesb@sp.gov.br Workshop ASTRID July 12, 2016
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São Paulo Metropolitan Area Urban Characteristics Area ~ 8.000 km² Cities 39 Population ~ 22.000.000 Industries Fleet 2014 Gasohol ~ 2.400.000 Ethanol ~ 150.000 Flex ~ 3.500.000 Diesel ~ 420.000 Motorcycle ~ 900.000
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Relative Emissions Contribution in the SPMA by Source Type 167 44 80 7 5 (PM) Totals in 10 3 t/year
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Automatic Monitoring Network since 1981 59 stations (28 SPMA) ~ 18.000 data per day Pollutants: Sulphur dioxide (SO 2 )Sulphur dioxide (SO 2 ) Inhalable Particles (PM 10 )Inhalable Particles (PM 10 ) Fine Particles (PM 2,5 )Fine Particles (PM 2,5 ) Ozone (O 3 )Ozone (O 3 ) Nitrogen Oxides (NO/NOx/NO 2 )Nitrogen Oxides (NO/NOx/NO 2 ) Carbon Monoxide (CO)Carbon Monoxide (CO) Total Reduced Sulphur (TRS)Total Reduced Sulphur (TRS) BenzeneBenzene TolueneToluene Meteorological parameters: Wind Direction, Wind SpeedWind Direction, Wind Speed TemperatureTemperature Relative HumidityRelative Humidity PressurePressure Radiation (UV,Total)Radiation (UV,Total)
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Automatic Air Quality Network Stationary Station Automatic Analyzers Central Processing Mobile Station
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Manual Monitoring Network since ‘70s 32 stations (11 SMPA) Routine Pollutants: Sulphur dioxide (SO 2 )Sulphur dioxide (SO 2 ) Inhalable Particles (PM 10 )Inhalable Particles (PM 10 ) Fine Particles (PM 2,5 )Fine Particles (PM 2,5 ) SmokeSmoke Total Suspende Particles (TSP)Total Suspende Particles (TSP) AldehydesAldehydes Others Pollutants: Lead (Pb)Lead (Pb) Volatile Organic Compounds (VOCs)Volatile Organic Compounds (VOCs) Amonia (NH 3 )Amonia (NH 3 ) FluoridesFluorides PM especiationPM especiation
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Brazilian Air Quality Standards CONAMA N o 3/1990 CONAMA N o 3/1990
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São Paulo State Air Quality Standards DE N o 59.113/2013 PM 10 24h µg/m³ PM 10 anual µg/m³ PM 2,5 24h µg/m³ PM 2,5 anual µg/m³ O 3 8h µg/m³ NO 2 anual µg/m³ NO 2 1h µg/m³ SO 2 24h µg/m³ SO 2 anual µg/m³ CO 8h ppm MI 1 120406020140602606040 9 MI 2 100355017130502404030 9 MI 3 75303715120452203020 9 PF 502025101004020020-9
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Auxiliaries Parameters – DE N o 59.113/2013 Smoke 24h µg/m³ Smoke MAA µg/m³ TSP 24h µg/m³ TSP MGA µg/m³ Pb MAA µg/m³ MI1 12040240800,5 MI 2 10035240800,5 MI 3 7530240800,5 PF 5020240 80 0,5 MGA – Annual Geometric Average MAA – Annual Arithmetic Average
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Air Quality Classification PF - OMS MI 2
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Air Quality Distribution – SPMA - 2015 0,08%
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SO 2 – Evolution of annual average SPMA
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PM 10 – Evolution of annual average SPMA Number of days of violation of São Paulo State standard (120 µg/m 3 - 24h) 2013 – 0 day 2014 – 7 days 2015 – 1 day
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PM 2,5 – Evolution of annual average SPMA Number of days of violation of São Paulo State standard (60 µg/m 3 – 24h) 2013 – 8 days 2014 – 14 days 2015 – 2 days
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CO - Number of Exceedances of 8-hours Standard - SPMA Standard – 9ppm (8 h) CO Emission factors for new light-duty vehicles (gasoline)
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O 3 - Number of Days of Standard Violation – SPMA São Paulo State Standard - 140 µg/m³ (8h)
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NO 2 – Evolution of annual average SPMA. Number of days of violation of São Paulo State standard (260 µg/m 3 – 1h) 2013 – 1 day 2014 – 0 days 2015 – 0 days
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Annual Air Quality Report Annual Air Quality Report http://ar.cetesb.sp.gov.br/publicacoes-relatorios / http://ar.cetesb.sp.gov.br/publicacoes-relatorios / Air Quality Information CETESB’s website CETESB’s website – Data Updated Hourly www.cetesb.sp.gov.br www.cetesb.sp.gov.br QUALAR – Air quality database - since 1998 QUALAR – Air quality database - since 1998 http://ar.cetesb.sp.gov.br/qualar/ http://ar.cetesb.sp.gov.br/qualar/
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Thank you! eqq_cetesb@sp.gov.brwww.cetesb.sp.gov.br
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