Ozone Pollution Timeline
New York City Region - June, 1999
Central Park Weather Data

May, 1999 June, 1999 July, 1999 August, 1999 September, 1999

Mapped interpolations of EPA ozone monitor stations data (8-hour average concentration)
These maps, downloaded Feb/2000, have since been revised by the EPA
For reference: [Daily Average Ozone Charts] [Hourly Ozone Charts]

              Queens
(College Pt.)
Bronx
(Gerard Av)
 
Date Fo Weather Wdir Event EPA AIRNOW MAP dnld:Feb/2000 Bv O3 NO2 O3 NO2 PubDate
6/1/99 86o Mist, Haze     22 .019 .045 na .053  
6/2/99 85o Haze     24 .017 .043 .022 .052  
6/3/99 83o       18 na .025 .031 .024  
6/4/99 78o       10 .022 .023 .022 .027  
6/5/99 78o       30 .022 .028 .019 .040  
6/6/99 78o       55 .023 .023 .018 .038  
6/7/99 94o Haze     50 .034 .040 .041 .036  
6/8/99 93o Haze     33 .037 .031 .037 .033  
6/9/99 87o       13 .028 .026 .030 .029  
6/10/99 73o Haze     10 .021 .019 .020 .024  
6/11/99 74o Haze     30 .021 .023 .019 .030  
6/12/99 75o Mist     50 .016 .020 .019 .026  
6/13/99 78o Mist     10 .015 .015 .012 .022  
6/14/99 79o Mist, Haze     10 .019 .028 .014 .036  
6/15/99 82o Mist   Drs. Marce Layton (Epidemiologist for the NYCDOH) and Tracey McNamara (Bronx Zoo) said that birds began dying in northern Queens in mid-June. 11 .029 .026 .027 .023 Medical Lib (12/11/00)
6/16/99 73o       10 .024 na .023 .024  
6/17/99 66o Mist     10 .013 na .011 .031  
6/18/99 73o       10 .016 .027 .017 .027  
6/19/99 79o       12 .021 .032 .022 .034  
6/20/99 74o Mist     10 .029 .021 .026 .028  
6/21/99 68o Mist     10 .014 .028 .013 .012  
6/22/99 83o Mist, Haze   "The dying started in late June when the weather turned hot. From his post at the gate, Carrasco watched birds stumble drunkenly around the grounds [Ft. Totten, Queens]. Some had growths on their heads. 30 na na .019 .046 AP and Nando Times 12/5/99
6/23/99 88o Haze   "In late June or early July, the virus apparently showed up in birds in the Whitestone area of northern Queens and in the South Bronx." 35 .029 .053 .041 .046 The New Yorker, 10/18/99 & 10/25/99
6/24/99 86o       15 .019 .042 .020 .044  
6/25/99 83o Rain     15 .016 .032 .019 .039  
6/26/99 91o Haze   "Crows started dying in mid-June. [Ques: Can you give a specific date?] June 26th stands out in my mind. It was young crows that were dying." 50 .030 .040 .040 .040 Dr. Charos, Bayside Veteranarian
-Interview
6/27/99 90o Mist   "In late-June, my sister said she saw a number of dead crows near the public swimming pool in Harlem." 37 .017 .030 .016 .039 Day Starr, (Queens)
-Interview
6/28/99 91o Rain, Mist     13 .011 .031 .019 .032  
6/29/99 90o Rain, Fog+, Mist, Haze     12 .016 .034 .022 .036  
6/30/99 80o       10 .020 .024 .019 .029  

 

May, 1999 June, 1999 July, 1999 August, 1999 September, 1999