NYC 9/11 Public Portal Document
• NYC / ER (Dec 24) - Particulate Monitoring (TEOM PM 2.5)
o Park Row (Site 1) - 24-hr average concentration for this period was 12.16 ug/m3.
o Chambers St./West St. (Site 2) - 24-hour average concentration for this period was
11.77 ug/m3.
o Coast Guard Building - Battery Park (Site 3) - 24-hour average concentrations for this
period was 10.05 ug/m3.
o Wall Street - 24-hour average concentrations for this period was 11.23 ug/m3.
o All readings below the National Ambient Air Quality Standard for PM2_5 (65 ug/m3).
• NYC / ER (Dec 24) - Particulate Monitoring (TEOM PMIO)
o Wall Street - 24-hour average concentrations for this period was 15.35 jig/m3.
o All readings below the National Ambient Air Quality Standard for PM10 (150 ug/m3).
• NYC / ER (Dec 25) - Particulate Monitoring (TEOM PM z 5)
o Park Row (Site 1) - 24-hr average concentration for this period was 7.58 ug/m3.
o Chambers St./West St. (Site 2) - 24-hour average concentration for this period was
7.31 ug/m3.
o Coast Guard Building - Battery Park (Site 3) - 24-hour average concentrations for this
period was 6.94 ug/m3.
o Wall Street - 24-hour average concentrations for this period was 8.09 ug/m3.
o All readings below the National Ambient Air Quality Standard for PM2.5 (65 ug/m3).
• NYC / ER (Dec 25) - Particulate Monitoring (TEOM PM10)
o Wall Street - 24-hour average concentrations for this period was 11.03 ug/m3.
o All readings below the National Ambient Air Quality Standard for PM10 (150 ug/m3)
• NYC / ER (Dec 26) - Particulate Monitoring (TEOM PM 2.5)
o Park Row (Site 1) - 24-hr average concentration for this period was 11.20 ug/m3.
o Chambers St./West St. (Site 2) - 24-hour average concentration for this period was
12.56 ug/m3.
o Coast Guard Building - Battery Park (Site 3) - 24-hour average concentrations for this
period was 10.21 ug/m3.
o Wall Street - 24-hour average concentrations for this period was 14.06 ug/m3.
o All readings below the National Ambient Air Quality Standard for PM2.5 (65 ug/m3).
• NYC / ER (Dec 26) - Particulate Monitoring (TEOM PM,,)
o Wall Street - 24-hour average concentrations for this period was 28.37 ug/m3.
o All readings below the National Ambient Air Quality Standard for PM10 (150 ug/m3).
NYC-WTC 000130556
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