09/10/2025The 2002-2024 IMPROVE RHR3 (Impairment) Group Means were updated/imported into the database.
09/10/2025The 2002-2024 IMPROVE RHR3 (Impairment) Daily Budgets were updated/imported into the database.
09/10/2025The 2002-2024 IMPROVE RHR2 Group Means were imported into the database.
09/10/2025The 2002-2024 IMPROVE RHR2 Daily Budgets were imported into the database.
09/10/2024The 2023 IMPROVE RHR3 (Impairment) 5-year averages were imported into the database.
09/10/2024The 2023 IMPROVE RHR2 (Haze) 5-year averages were imported into the database.
09/09/2024The 2023 IMPROVE RHR3 (Impairment) Group Means were updated/imported into the database.
09/09/2024The 2023 IMPROVE RHR3 (Impairment) Daily Budgets were updated/imported into the database.
09/09/2024The 2023 IMPROVE RHR2 Group Means were imported into the database.
09/09/2024The 2023 IMPROVE RHR2 Daily Budgets were imported into the database.
09/04/2024The 2023-2024(partial) EPA Hourly Ozone data were imported into the database.
09/04/2024The Redelivered Full-Year 2023 IMPROVE Aerosol data from UCD were imported into the database.
11/14/2023The 1993-2022 IMPROVE RHR3 (Impairment) 5-year averages were updated (past years) and/or imported (2022) into the database.
11/14/2023The 1993-2022 IMPROVE RHR2 (Haze) 5-year averages were updated (past years) and/or imported (2022) into the database.
10/09/2023The 2016-2022 IMPROVE RHR3 (Impairment) Group Means were updated/imported into the database.
10/09/2023The 2016-2022 IMPROVE RHR3 (Impairment) Daily Budgets were updated/imported into the database.
10/09/2023The 2022 IMPROVE RHR2 Group Means were imported into the database.
10/09/2023The 2022 IMPROVE RHR2 Daily Budgets were imported into the database.
10/06/2023The redelivered full-year Jan-Dec 2022 IMPROVE Aerosol dataset update from UCD was imported into the database.
09/20/2023The user authentication system has been added and enabled on the website in order to allow registration, login, and elevated page access.
09/15/2023The Database Query Wizard tool has been added to the website and can be found on the Resources menu in the main navigation bar.
09/13/2023The Visibility Analysis Tools have been added to the website and can be found on the Monitoring menu in the main navigation bar.
08/24/2023The Class I Area List has been added to the website and can be accessed from the Resources menu on the main navigation bar.
08/22/2023The suite of Regional Haze Analysis Express Tools tools has been added to the website.
08/22/2023The suite of map-based Regional Haze Trends tools has been added to the website.
08/21/2023The Contact Us page has been added and successfully tested.
08/18/2023Draft versions of the various Help and About pages have been added to the website.
08/15/2023The suite of AQRV Express Tools for visualizing and analyzing ambient air quality data has been added to the website.