Ozone Pollution Timeline
New York City Region - May, 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 Point)			Bronx (Gerard Av)
Date	Fo	Event	EPA AIRNOW MAP dnld:Feb/2000	Bv	O3	NO2	NO1	O3	NO2	PubDate
5/1/99	67o		[No map provided at the EPA AIRNOW website]		.020	.030	.015	.017	.037
5/2/99	68o		[No map provided at the EPA AIRNOW website]		.030	.022	.007	.023	.032
5/3/99	60o			10	.026	.024	.008	.019	.031
5/4/99	62o			10	.010	.029	.027	.009	.034
5/5/99	72o			10	.004	.035	.039	.007	.036
5/6/99	66o			10	.007	.031	.022	.006	.038
5/7/99	58o			10	.004	.021	.023	.004	.026
5/8/99	63o			10	.004	.021	.045	.003	.028
5/9/99	73o			10	.014	.030	.106	.012	.033
5/10/99	73o			10	.018	.025	.017	.018	.028
5/11/99	69o		[Map is missing from EPA AIRNOW website]	10	.015	.030	.023	.015	.035
5/12/99	75o			10	na	na	na	.013	.052
5/13/99	71o			10	.021	.007	.013	.025	.033
5/14/99	66o			10	.014	.006	.026	.015	.029
5/15/99	70o			10	.011	.003	.045	.012	.032
5/16/99	68o			10	.018	.003	.019	.015	.027
5/17/99	72o			10	.013	.004	.030	.015	.033
5/18/99	66o			10	.009	.015	.020	.007	.035
5/19/99	65o			10	.006	.025	.034	.008	.030
5/20/99	74o			10	.022	.020	.018	.021	.024
5/21/99	78o			10	.014	.039	.079	.022	.039
5/22/99	78o			20	.020	.035	.070	.018	.050
5/23/99	64o			12	.024	.018	.005	.021	.035
5/24/99	64o			10	.005	.031	.027	.004	.044
5/25/99	70o			10	.018	.027	.019	.019	.030
5/26/99	73o			10	.021	.027	.012	.020	.031
5/27/99	73o			10	.017	.023	.019	.015	.027
5/28/99	81o			30	.018	.037	.031	.022	.040
5/29/99	87o			55	.027	.041	.075	.029	.045
5/30/99	88o			55	.024	.037	.041	.027	.039
5/31/99	89o			60	.031	.045	.032	.030	.063