skip navigation
New Hampshire Department of Environmental Services

Particle Pollution (Particulate Matter)
New Hampshire Petition for Abatement of Excessive Emissions
Supporting Graphics

Map of OTAG Subregions

Prevailing Transport Wind Patterns to New England

a. High Pollution Transport
b. Low Pollution Transport

Mt. Washington Ozone Concentrations

a. Concentration Trends (Summit and Base)
b. Frequency of Ozone Maximum Time of Day (Summit and Base)

Ozone Exposure Plots (Greater than 60, 80, 100, and 120 ppb) (1995)

a. OTAG Base Case
b. OTAG Round 3 Run I
c. Additional NOx Emission Reductions from OTAG Run I
d. Additional VOC Emission Reductions from OTAG Run I

OTAG Plots of NOx vs. VOC Emission Reductions

a. 1988
b. 1991
c. 1995

NHDES Ozone Culpability Plots (Based on OTAG 1995 Episode Data)

a. OTAG Subregions 1 to 6
b. OTAG Subregions 7 to 12
c. Summary Concentration Plot of Worst 1/3 of Episode Hours

NH Department of Environmental Services | 29 Hazen Drive | PO Box 95 | Concord, NH 03302-0095
(603) 271-3503 | TDD Access: Relay NH 1-800-735-2964 | Hours: M-F, 8am-4pm

copyright 2016. State of New Hampshire