MDN Data Retrieval Options

MDN data are available for a variety of time periods and formats. Start by selecting from the following options:

Select data from a single site

by site list. or interactive map

Download data from all sites:

Annual Averages

UPCOMING EVENTS

NADP 2021 Fall Meeting and Symposium
Oct. 25-29, 2021
Acid Rain 2020
April 18-April 21,2023
Niigata City, Japan

RECENT NEWS

A New fact sheet on Improving Total Nitrogen Deposition Budgets is available
Archive Sample availability
New Sample Shipping Address!
Bucket to Bag FAQ
NADP establishes charitable foundation
The TDep Nr Deposition White Paper is now available
Litterfall Mercury Monitoring is NADP's latest initiative.