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West Union Data by Site by Date (all parameters)

Use this form to retrieve hourly data collected at West Union. Although this is the most current data, it is not considered official until it has been certified by the technical staff. This information is updated hourly.

This web page provides the most current hourly averaged data available. Our convention for time-tagging data is the beginning of each hour. For example, values shown for the noon hour are based on measurements taken from noon to 1:00 p.m. The noon average will not be calculated until after 1:00 p.m. The noon average will then be available on our external server from 1:15 p.m. to 1:30 p.m. This results in an apparent one-hour time lag in the data. We also present our data in Local Standard Time for each measuring site. For most of Indiana this is Eastern Standard Time. During Daylight Savings, this introduces another apparent one-hour time lag in the data.

Use the controls below to select a different date or time format and to control cell highlighting based on measured ozone levels. Click on the Generate Report button once you have made your selections.

Click on the Plot Data button once the tabular report has been generated to open a separate window containing data plots.

Select a different site
Month:Day:Year:Time Format:
Ozone Highlights:  Moderate   Unhealthy for Sensitives   Unhealthy   Very Unhealthy  
Green underline for validated data

The table below contains hourly averages for all the pollutants and meteorological conditions measured at West Union for Monday, October 23, 2017. All times shown are in CST.

Parameter MeasuredMorningAfternoon Parameter Measured POC
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00Noon 1:00 2:00 3:00 4:00 5:00
Ozone SPZ242523151114151819202226293027 NA NA Ozone 1 R
Wind Speed NA NA Wind Speed 1
Resultant Wind Speed NA NA Resultant Wind Speed 1
Resultant Wind Direction 47179178179258339341321267318306323341322294259 NA NA Resultant Wind Direction 1
Maximum Wind Gust 7.711.810.28.912.69.610.916.219.015.914.819.919.218.913.411.3 NA NA Maximum Wind Gust 1
Std. Dev. Wind Direction 24252323482532574129332723412529 NA NA Std. Dev. Wind Direction 1
Outdoor Temperature 59.864.064.464.261.357.757.156.354.653.854.055.254.953.253.052.0 NA NA Outdoor Temperature 1
Dew Point Temperature LIM LIM0.00.0 LIM LIM53.754.352.752.150.249.7 NA NA Dew Point Temperature 1
Relative Humidity 10010010010010010010010010099999792969092 NA NA Relative Humidity 1
Barometric Pressure 993.3992.2991.5990.7990.7990.3989.9989.8990.9989.2990.7989.7988.9989.5990.5990.3 NA NA Barometric Pressure 1
Sea-Level Pressure 1009.91008.81008.11007.31007.31006.91006.51006.41007.51005.81007.31006.31005.41006.01007.11006.9 NA NA Sea-Level Pressure 1
Parameter MeasuredMid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00Noon 1:00 2:00 3:00 4:00 5:00Parameter Measured POC
Maximum values for each parameter are bold within the table. Minimum values are bold italic.
 R - Data from this instrument meets EPA quality assurance criteria for regulatory purposes.

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.