Pollution Locator: Smog and Particulates: County Report

POLLUTION LOCATOR|Smog and Particulates | County Report

Criteria Air Pollutant Report: HARRISON County, MS

Map Locating the Pollution Sources

Air Quality Rankings: Health Risks, Exposure, and Emissions

Environmental Justice Analysis for HARRISON County

Health Risks

Exposures to Criteria Air Pollutants

1999 Emissions Summary of Criteria Air Pollutants

Links

Map Locating the Pollution Sources

HARRISON County

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Air Quality Rankings: Health Risks, Exposure, and Emissions

Cleanest/Best Counties in US Percentile Dirtiest/Worst Counties in US

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

Carbon Monoxide emissions:

Nitrogen Oxides emissions:

PM-2.5 emissions:

PM-10 emissions:

Sulfur Dioxide emissions:

Volatile Organic Compound emissions:

Air Quality Index:

Ozone 1-hour average concentration:

Ozone 8-hour average concentration:

PM-2.5 24-hour average concentration:

Person-days in exceedance of national air quality standard for ozone (8-hour):

See how this county ranks on other criteria air pollution attributes tracked by Scorecard

Rank counties in MISSISSIPPI by criteria air pollutant health risks, exposures, or emissions.
Rank facilities in HARRISON County by criteria air pollutant emissions.
Rank monitoring stations in HARRISON County by criteria air pollutant exposures.

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Environmental Justice Analysis for HARRISON County

View Summary Environmental Justice Report (en español).

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Health Risks

Population Exposed to Unhealthy Levels of Criteria Air Pollutants:
Pollutant	Person-days in exceedance of NAAQS
Ozone
8-hour average	1,327,298

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Exposures to Criteria Air Pollutants

Air Quality Index:
Percentage of days with good air quality:	74
Percentage of days with moderate air quality:	25
Percentage of days with unhealthful air quality for sensitive populations:	1
Percentage of days with unhealthful air quality:	0
Maximum AQI level in 2003	135
Median AQI level in 2003	39
90th Percentile AQI level in 2003	64

Air Quality Index
0 - 50	Good
50 - 100	Moderate
100 - 200	Unhealthful
200 - 300	Very Unhealthful
300 - 500	Hazardous

2003 Summary of Pollutant Concentrations:

Pollutant	NAAQS Standard	Highest Recorded Concentration	Second Highest Recorded Concentration	Number of NAAQS Exceedances	Stations Monitoring Pollutant
Ozone
1-hour average	0.12 ppm	.1 ppm	.1 ppm	0	2
8-hour average	0.08 ppm	.09 ppm	.09 ppm	7	2
PM-25
24-hour average	65 ug/m3	31 ug/m3	28 ug/m3	0	1
Annual arithmetic mean	15 ug/m3	12 ug/m3	0 ug/m3	0	1
Sulfur dioxide
3-hour average	0.50 ppm	.04 ppm	.03 ppm	0	1
24-hour average	0.14 ppm	.01 ppm	.01 ppm	0	1
Annual arithmetic mean	0.03 ppm	.002 ppm	0 ppm	0	1

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1999 Emissions Summary of Criteria Air Pollutants
(Expressed in tons of pollutant emitted)
	Carbon monoxide	Nitrogen oxides	PM-2.5	PM-10	Sulfur dioxide	Volatile organic compounds
Mobile Sources	66,922	9,567	1,596	6,073	771	8,748
Area Sources	38,588	2,102	4,088	6,863	1,488	6,475
Point Sources	12,611	20,323	250	621	48,971	1,746
All sources	118,121	31,991	5,933	13,557	51,230	16,969

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	Join an online discussion about pollution in HARRISON County

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	Contribute to Environmental Defense
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Links

Scorecard's report on

Mississippi State Implementation Plan

Mississippi Department of Environmental Quality

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