New Jersey
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High Ozone Days Particle Pollution Groups At Risk  
County
Grade
Wgt.
Avg.
Orange
Days
Red
Days
Purple
Days
Atlantic C 1.3 4 0 0
Bergen F 4.7 14 0 0
Camden F 10.0 27 2 0
Cumberland D 2.8 7 1 0
Essex - - - - -
Gloucester F 4.0 12 0 0
Hudson F 4.3 13 0 0
Hunterdon F 7.7 23 0 0
Mercer F 4.7 14 0 0
Middlesex F 6.2 17 1 0
Monmouth F 5.0 15 0 0
Morris F 4.3 13 0 0
Ocean F 10.2 29 1 0
Passaic F 3.3 10 0 0
Union - - - - -
Warren - - - - -
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American Lung Association State of the Air: 2008 NOTES

(1) * indicates incomplete monitoring data for all three years. Therefore, those counties are excluded from the grade analysis.
(2) A dash (-) indicates that there is no monitor collecting data in the county.

More about Methodology.