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Current PM-10 (Standard Conditions) 24-Hour Levels

The map below shows the current highest PM-10 (Standard Conditions) 24-hour levels measured in ug/cu meter (25 c) (µg/m³ (25° C)) for each of the metropolitan or other areas across Indiana where PM-10 (Standard Conditions) is measured by the IDEM. More detailed maps showing the current 24-hour PM-10 (Standard Conditions) levels measured at each site in a particular area are available by clicking on the boxes on the map. These levels are based on data measured at the IDEM's continuous air monitoring stations and may include data from local governments and private monitoring networks.

The latest imagery available is for Monday September 20, 2021 06:00 EDT.

Key to PM-10 (Standard Conditions) Highlight Colors:

The daily average color-coding is based on the 24-hour standard levels for PM-10.
The table below shows the levels, color-coding, and suggested actions for the 24-hour standard.

PM-10 (Standard Conditions) levels in this range are projected to be healthy based on the national 24-hour standard for PM-10 (Standard Conditions).
  • No health impacts are expected when levels are within this range.
  • No health impacts are expected when levels are within this range.

PLEASE NOTE: This data has not been verified by the IDEM and may change. This is the most current data, but it is not official until it has been certified by our technical staff. Data is collected from IDEM ambient monitoring sites and may include data collected by other outside agencies. This data is updated hourly. All times shown are in local standard time unless otherwise indicated.