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 | Event | EPA AIRNOW MAP dnld:Feb/2000 | Bv | O3 | NO2 | O3 | NO2 | PubDate |
| 7/1/99 | 76o |  |
10 | .008 | .026 | .006 | .034 | ||
| 7/2/99 | 86o |  |
10 | .022 | .030 | .023 | .031 | ||
| 7/3/99 | 87o |  |
37 | .029 | .037 | .036 | .041 | ||
| 7/4/99 | 96o |  |
15 | .026 | .033 | .031 | .028 | ||
| 7/5/99 | 101o |  |
15 | .031 | .022 | .034 | .022 | ||
| 7/6/99 | 101o |  |
18 | .040 | .031 | .046 | .025 | ||
| 7/7/99 | 93o |  |
14 | .034 | .025 | .031 | .027 | ||
| 7/8/99 | 87o |  |
10 | .025 | .028 | .023 | .030 | ||
| 7/9/99 | 84o |  |
12 | .025 | .037 | .026 | .041 | ||
| 7/10/99 | 86o |  |
12 | .033 | .023 | .037 | .021 | ||
| 7/11/99 | 83o |  |
10 | .022 | .018 | .024 | .017 | ||
| 7/12/99 | 80o |  |
10 | .014 | .029 | .015 | .029 | ||
| 7/13/99 | 78o |  |
12 | .021 | .022 | .023 | .023 | ||
| 7/14/99 | 76o | "The peak of the crow deaths occurred around
mid-July." WindSpdResultant: 0.5mph, Avg: 2.5mph, Dir: 31 |
 |
50 | .008 | .044 | .010 | .045 | Dr. Charos, Veteranarian, Bayside -Interview |
| 7/15/99 | 90o | "In mid-July of 1998, I saw many dead crows near the Brooklyn Hospital. That's where I got this [pointing to a black feather tied to her purse]. |  |
75 | .026 | .051 | .032 | .053 | Day Starr, Queens -Interview |
| "Within weeks [from "late June" (see 6/22/99)], it was the same all over the New York City area - in Brooklyn's Prospect Park, by Long Island roadsides, on golf courses in Westchester County. Dead crows were everywhere; and sick birds, listless and disoriented, shuffled about aimlessly. [para] On Long Island, a man saw one fall right out of a tree." | AP and Nando Times 12/5/99 | ||||||||
| 7/16/99 | 97o |  |
78 | .040 | .056 | .054 | .052 | ||
| 7/17/99 | 98o | [Unprecedented, from 1995 onward, the NYSDEC began receiving reports every summer (mostly June/July) re dead birds from the NYC region.] |  |
76 | .033 | .051 | .050 | .050 | Review of NYSDEC log |
| 7/18/99 | 98o | "I saw sick crows in Flushing Meadows Park in late July and told the newspapers, but I never saw my comments in print. [...] I observed them near the Olmstead Center in Flushing Meadows-Corona Park." |  |
74 | .042 | .038 | .053 | .043 | Richard Jannaccio Science journalist -Email via Mitchel Cohen |
| 7/19/99 | 101o |  |
40 | .029 | .049 | .032 | .054 | ||
| 7/20/99 | 87o |  |
12 | .020 | .028 | .024 | .030 | ||
| 7/21/99 | 82o |  |
12 | .013 | .026 | .010 | .037 | ||
| 7/22/99 | 83o |  |
10 | na | na | .013 | .033 | ||
| 7/23/99 | 92o |  |
40 | na | na | .025 | .054 | ||
| 7/24/99 | 97o |  |
72 | na | na | .049 | .059 | ||
| 7/25/99 | 97o |  |
38 | na | na | .046 | .027 | ||
| 7/26/99 | 93o |  |
32 | na | na | .046 | .031 | ||
| 7/27/99 | 96o | "[The Bronx Zoo] pathologist, Tracey McNamara, said she became concerned in late July when she heard that a large number of crows had been dying around the zoo." |  |
38 | na | na | .036 | .039 | NYT 9/25/99 |
| 7/28/99 | 97o | "A pathologist at the zoo, Tracey McNamara, first noticed that large numbers of crows were dying, reaching 40 by August." |  |
30 | .026 | .041 | .034 | .039 | NYT 8/22/99 |
| 7/29/99 | 93o | "There have been well over 1,000 reports of birds that died suddenly around the region since late July..." |  |
50 | .019 | .051 | .030 | .060 | NYT 9/29/99 |
| "3,000 were reported to NYSDOH from New York City, Westchester County, and Nassau County... Given a geographic area of 600 square miles, the population of crows may have been 9,000 birds, indicating a mortality rate of 33%. If only half the bird deaths, dead crows, were reported, the mortality rate could have been twice as high." | NYSDOH eidtxt.doc 12/18/99 |
||||||||
| 7/30/99 | 92o |  |
36 | .032 | .032 | .052 | .038 | ||
| 7/31/99 | 90o |  |
34 | .041 | .024 | .046 | .035 | ||
