Resultant Wind Speed Hourly Averages

Resultant wind speed values are obtained by converting the 5-minute wind speeds and directions for the hour into a single hourly vector. Resultant wind speed is the magnitude of this vector.

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January February March April May June July August September October November December   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31   1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021	12 Hour (AM/PM)24 Hour	Arsenic (As) (TSP) (LC) in micrograms per cubic meter (local conditions) Beryllium (TSP) (LC) in micrograms per cubic meter (local conditions) Cadmium (TSP) (LC) in micrograms per cubic meter (local conditions) Chromium (TSP) (LC) in micrograms per cubic meter (local conditions) Lead (Pb) (TSP) (LC) in micrograms per cubic meter (local conditions) Manganese (TSP) (LC) in micrograms per cubic meter (local conditions) Nickel (TSP) (LC) in micrograms per cubic meter (local conditions) Carbon Monoxide in parts per million Carbon Dioxide in parts per million Sulfur Dioxide in parts per billion NOy in parts per billion Nitric Oxide in parts per billion Nitrogen Dioxide in parts per billion Oxides of Nitrogen in parts per billion NOz in parts per billion TNMHC in parts per billion Total Non-Methane Organic Compounds in parts per billion Dodecane in parts per billion carbon Ethane in parts per billion Ethylene in parts per billion Propane in parts per billion Propene in parts per billion Acetylene in parts per billion N-BUTANE in parts per billion Isobutane in parts per billion Trans-2-Butene in parts per billion Cis-2-Butene in parts per billion N-PENTANE in parts per billion ISO-PENTANE in parts per billion 1-Pentene in parts per billion TRANS-2-PENTENE in parts per billion CIS-2-PENTENE in parts per billion 3-METHYLPENTANE in parts per billion n-Hexane in parts per billion N-HEPTANE in parts per billion N-OCTANE in parts per billion N-NONANE in parts per billion N-DECANE in parts per billion CYCLOPENTANE in parts per billion Isoprene in parts per billion 2,2-DIMETHYLBUTANE in parts per billion 1-HEXENE in parts per billion 2,4-DIMETHYLPENTANE in parts per billion CYCLOHEXANE in parts per billion 3-METHYLHEXANE in parts per billion 2,2,4-TRIMETHYLPENTA in parts per billion 2,3,4-TRIMETHYLPENTA in parts per billion 3-METHYLHEPTANE in parts per billion METHYLCYCLOHEXANE in parts per billion METHYLCYCLOPENTANE in parts per billion 2-METHYLHEXANE in parts per billion 1-Butene in parts per billion 2,3-DIMETHYLBUTANE in parts per billion 2-METHYLPENTANE in parts per billion 2,3-DIMETHYLPENTANE in parts per billion N-UNDECANE in parts per billion 2-METHYLHEPTANE in parts per billion Ozone in parts per billion p-Xylene + m-Xylene in parts per billion Benzene in parts per billion Toluene in parts per billion Ethyl Benzene in parts per billion o-Xylene in parts per billion 1,3,5-TRI-M-BENZENE in parts per billion 1,2,4-TRI-M-BENZENE in parts per billion N-PROPYLBENZENE in parts per billion ISO-PROPYLBENZENE in parts per billion O-ETHYLTOLUENE in parts per billion M-ETHYLTOLUENE in parts per billion P-ETHYLTOLUENE in parts per billion M-DIETHYLBENZENE in parts per billion P-DIETHYLBENZENE in parts per billion Styrene in parts per billion 1,2,3-TRI-M-BENZENE in parts per billion Wind Speed in miles per hour Wind Direction in degrees compass Resultant Wind Speed in miles per hour Resultant Wind Direction in degrees compass Maximum Wind Gust in miles per hour Standard Deviation of Horizontal Wind Direction Vertical Wind Speed in miles per hour Standard Deviation of Vertical Wind Speed in miles per hour Vertical Wind Direction in degrees compass Outdoor Temperature in degrees Fahrenheit Dew Point Temperature in degrees Fahrenheit Relative Humidity in percent relative humidity Solar Radiation in watts per square meter Ultraviolet Radiation in watts per square meter Barometric Pressure in millibars Precipitation in inches (rainfall) PM-10 (Standard Conditions) in ug/cu meter (25 c) Black Carbon PM2.5 (Std) in ug/cu meter (25 c) UV Carbon - Organic Carbon in ug/cu meter (25 c) PM-10 (Local Conditions) in micrograms per cubic meter (local conditions) PM Coarse PM10-PM2.5 (Local Conditions) in micrograms per cubic meter (local conditions) Total Ultrafine Particle Count under 0.1 um in Particle Count per cm3 PM-2.5 (Local Conditions) in micrograms per cubic meter (local conditions) Sulfate PM2.5 LC in micrograms per cubic meter (local conditions) PM-2.5 (Local Conditions) Raw Data in micrograms per cubic meter (local conditions)
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Select a Region: All Active Regions Region 1 -- North West Region 2 -- North Central Region 3 -- North East Region 4 -- West Central Region 5 -- East Central Region 6 -- South West Region 7 -- South East Region 99 -- Test Region

Resultant Wind Speed Hourly Averages for Friday, February 26, 2021. measured in miles per hour
Region	CAMS	Morning												Afternoon								CAMS	POC	Entity
		Mid	1:00	2:00	3:00	4:00	5:00	6:00	7:00	8:00	9:00	10:00	11:00	Noon	1:00	2:00	3:00	4:00	5:00	6:00	7:00
North West - all times are in CST
	6	2.6	2.4	1.9	3.6	4.0	5.0	6.6	6.2	7.3	9.2	9.6	10.4	11.5	9.8	7.6	7.7	10.3	8.4	FEW	NA	6	1	IDEM
	31	2.1	2.0	2.0	2.3	2.5	3.2	4.5	3.6	5.5	8.7	8.8	8.9	8.3	7.7	7.2	6.8	7.8	6.5	FEW	NA	31	1	IDEM
	86	2.9	2.0	2.0	1.3	2.0	3.0	5.1	3.1	4.6	7.7	8.9	9.8	8.6	7.3	5.6	4.2	9.3	6.9	FEW	NA	86	1	IDEM
Region	CAMS	Morning												Afternoon								CAMS	POC	Entity
		Mid	1:00	2:00	3:00	4:00	5:00	6:00	7:00	8:00	9:00	10:00	11:00	Noon	1:00	2:00	3:00	4:00	5:00	6:00	7:00
North Central - all times are in EST
	5	0.5	0.1	0.3	1.3	0.9	3.8	1.3	0.0	0.5	1.2	1.1	0.0	0.0	0.0	0.1	0.0	0.0	0.0	0.0	FEW	5	1	IDEM
Region	CAMS	Morning												Afternoon								CAMS	POC	Entity
		Mid	1:00	2:00	3:00	4:00	5:00	6:00	7:00	8:00	9:00	10:00	11:00	Noon	1:00	2:00	3:00	4:00	5:00	6:00	7:00
North East - all times are in EST
	7	6.8	2.6	0.7	0.3	0.7	2.5	3.3	3.1	7.6	11.8	7.3	6.0	7.9	8.0	9.4	7.6	8.4	6.3	6.5	FEW	7	1	IDEM
	70	0.6	0.9	0.7	1.7	1.4	2.7	3.8	4.6	4.4	6.0	5.3	7.5	9.3	8.8	8.9	9.3	8.0	7.1	6.0	FEW	70	1	IDEM
Region	CAMS	Morning												Afternoon								CAMS	POC	Entity
		Mid	1:00	2:00	3:00	4:00	5:00	6:00	7:00	8:00	9:00	10:00	11:00	Noon	1:00	2:00	3:00	4:00	5:00	6:00	7:00
West Central - refer to the first data column for each site's specific time zone
EST	36	2.3	2.8	4.9	5.7	6.1	7.9	10.0	8.9	9.5	8.4	9.3	11.5	11.9	12.7	13.5	12.6	8.6	6.1	9.8	FEW	36	1	IDEM
CST	38	1.3	1.3	1.9	1.6	1.3	1.8	1.9	2.2	2.8	3.6	3.9	3.1	3.3	3.7	3.8	3.5	3.9	4.1	FEW	NA	38	1	IDEM
Region	CAMS	Morning												Afternoon								CAMS	POC	Entity
		Mid	1:00	2:00	3:00	4:00	5:00	6:00	7:00	8:00	9:00	10:00	11:00	Noon	1:00	2:00	3:00	4:00	5:00	6:00	7:00
East Central - all times are in EST
	1	3.1	3.5	3.2	3.0	3.3	3.4	4.0	4.9	5.9	5.5	5.7	6.4	6.9	8.2	7.4	8.2	6.7	6.1	6.5	FEW	1	1	IDEM
	39	2.3	2.2	4.0	4.4	5.6	6.7	7.7	10.2	12.4	14.2	11.8	10.2	11.2	13.8	13.3	12.5	11.7	9.8	8.5	FEW	39	1	IDEM
	42	1.7	2.4	1.9	2.7	4.6	4.7	5.6	5.2	5.6	5.9	5.5	6.4	8.0	7.7	7.6	7.5	7.1	6.2	6.5	FEW	42	1	IDEM
	73	2.2	3.2	0.9	0.4	1.1	1.7	6.0	6.8	7.2	5.9	6.4	8.7	10.3	9.1	8.9	7.3	4.9	4.9	6.8	FEW	73	1	IDEM
	78	2.3	2.4	1.6	1.9	3.6	4.4	5.2	5.5	5.6	7.3	8.1	7.5	7.8	9.6	8.1	9.3	7.3	6.8	7.1	FEW	78	1	IDEM
Region	CAMS	Morning												Afternoon								CAMS	POC	Entity
		Mid	1:00	2:00	3:00	4:00	5:00	6:00	7:00	8:00	9:00	10:00	11:00	Noon	1:00	2:00	3:00	4:00	5:00	6:00	7:00
South West - refer to the first data column for each site's specific time zone
CST	33	5.9	6.4	7.4	9.6	11.2	10.6	10.3	10.8	11.5	10.5	11.0	12.3	12.8	13.1	13.7	FEW	10.0	10.3	FEW	NA	33	1	IDEM
CST	52	3.6	5.2	7.3	9.7	10.6	9.5	7.6	10.8	11.3	9.2	8.2	10.2	9.8	8.5	7.6	7.3	6.4	5.2	FEW	NA	52	1	IDEM
EST	67	5.3	4.4	5.0	7.0	7.6	7.7	8.8	12.1	11.0	8.8	7.8	10.0	11.4	11.2	9.6	9.1	8.7	7.5	7.2	FEW	67	1	IDEM
Region	CAMS	Morning												Afternoon								CAMS	POC	Entity
		Mid	1:00	2:00	3:00	4:00	5:00	6:00	7:00	8:00	9:00	10:00	11:00	Noon	1:00	2:00	3:00	4:00	5:00	6:00	7:00
South East - all times are in EST
	4	3.1	2.4	2.5	2.9	5.0	5.0	5.7	6.7	6.8	7.0	5.2	5.8	6.9	6.3	6.6	7.2	FEW	4.3	3.3	FEW	4	1	IDEM
		Maximum values for the day are bold within the table. Minimum values are bold italic.

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.