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Noise monitoring program
Active Air Quality Notification
  • An air quality ADVISORY for Unhealthy PM2.5 levels is in effect from 7/24/2025 15:00 to 7/25/2025 23:00 for these counties: Adams,Ashland,Barron,Bayfield,Brown,Buffalo,Burnett,Calumet,Chippewa,Clark,Dodge,Door,Douglas,Dunn,Eau Claire,Florence,Fond du Lac,Forest,Green Lake,Iron,Jackson,Juneau,Kenosha,Kewaunee,La Crosse,Langlade,Lincoln,Manitowoc,Marathon,Marinette,Marquette,Menominee,Milwaukee,Monroe,Oconto,Oneida,Outagamie,Ozaukee,Pepin,Pierce,Polk,Portage,Price,Racine,Rusk,Sawyer,Shawano,Sheboygan,St. Croix,Taylor,Trempealeau,Vernon,Vilas,Washburn,Washington,Waukesha,Waupaca,Waushara,Winnebago,Wood .

Hourly Monitoring Data

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DNR

Bad River Tribal School AQS ID - 55 003 0010

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 5.1 5.7 4.4 3.6 5.1 6.7 10.5
WIND SPEED mph 1.4 1.5 1.4 1.5 1.5 1.3 1.7
WIND DIRECTION Degrees 185 157 171 183 186 172 216
TEMPERATURE degF 60.1 59.4 58.5 57.6 57.2 58.6 65.2
RELATIVE HUMIDITY %RH 97.9 97.9 97.8 98.4 98.6 98.4 87.2
BAROMETRIC PRESSURE inHg 30.06 30.06 30.06 30.06 30.07 30.08 30.08
PRECIPITATION inches 0 0 0 0 0 0 0
SOLAR RADIATION w/m2 0 0 0 0 1.8 57.5 223.7
PM2.5 ug/m3 36.7 37.4 38.1 38.7 39.9 41.4 43.5

Green Bay East High AQS ID - 55 009 0005

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
PM2.5 ug/m3 2.8 2.3 2.1 4.5 7.9 15.7 46.3

Green Bay UW AQS ID - 55 009 0026

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 15.7 20.4 26.8 21.6 13.8 14.3 18.2

Columbus AQS ID - 55 021 0015

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 22.7 24.3 24.4 22.4 19.9 19.1 22.3

Madison East AQS ID - 55 025 0041

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 37.2 37.3 32.5 29.6 24.2 20.2 19.2
TEMPERATURE degF 75 74.6 73.3 71.9 72 71.7 72.1
WIND SPEED mph 2.7 4.6 2 1.2 1.7 3.8 1.8
WIND DIRECTION Degrees 306 336 353 336 6 16 27
PM2.5 ug/m3 2.3 2.4 2.4 2.8 2.8 3.2 3.3

Madison University Ave. Well #6 AQS ID - 55 025 0047

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
PM2.5 ug/m3 2.5 2.4 2.7 2.7 2.9 3.6 5.1
PM10 ug/m3 (25C) 5.1 4.6 6 6.4 6.1 8.3 10.1
PM COARSE (10-2.5) ug/m3 2.5 2.1 3.2 3.5 3.1 4.5 4.8

Horicon Wildlife Area AQS ID - 55 027 0001

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 30 25.4 26 24.5 19.9 20.9 29.3
CO ppm -0.505 -0.412 -0.431 -0.449 -0.138 -0.122
SO2 ppb 0.262 0.218 0.207 0.248 0.216 0.283
NO ppb 0.011 -0.014 0.03 0.029
NOy-NO ppb 4.999 4.456 2.295 2.453
NOy ppb 5.01 4.442 2.326 2.482
PM10 ug/m3 (25C) 7.6 7.8 8.5 9.2 8.2 10.4 8.9
PM COARSE (10-2.5) ug/m3 4 4.1 5 5.4 4.4 5.5 4.3
WIND SPEED mph 2.3 0.8 1.9 1.5 1.1 1.9 2.9
WIND DIRECTION Degrees 223 269 359 13 358 38 72
BAROMETRIC PRESSURE inHg 29.96 29.97 29.95 29.96 29.98 30 30.01
PRECIPITATION inches 0 0 0 0 0 0 0
TEMPERATURE degF 71.1 69.9 69.3 68.8 68.5 69.4 70.2
RELATIVE HUMIDITY %RH 87.6 89.9 91.8 92.7 93.8 93.7 92.2
PM2.5 ug/m3 3.4 3.5 3.3 3.6 3.6 4.6 4.4

Newport Park AQS ID - 55 029 0004

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 15.2 9.7 6 9.1 5.6 11 15.8
WIND SPEED mph 1 0.3 0.6 0.5 0.3 1.1 1.6
WIND DIRECTION Degrees 42 63 43 32 48 60 71
TEMPERATURE degF 64 62.3 60.8 61.2 60.3 61.1 64.8

Eau Claire DOT Sign Shop AQS ID - 55 035 0014

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 3.5 3.4 3.4 3.4 3.3 3.4 3.9
WIND SPEED mph 0.9 0.9 1.1 0.7 0.8 1 1
WIND DIRECTION Degrees 50 50 45 40 43 54 18
TEMPERATURE degF 65.3 64.3 63.5 62.2 61.7 61.7 64.1
PM2.5 ug/m3 11.9 12.1 12.5 13.2 14.3 14.5 19.6
PM10 ug/m3 (25C) 30.9 35 34 35.1 36.9 32.7 35.8
PM COARSE (10-2.5) ug/m3 18.7 22.5 21.3 21.7 22.4 18.1 15.9

Fond Du Lac AQS ID - 55 039 0006

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 27 24.5 25.3 18 24.7 31.6 30.9

Potawatomi AQS ID - 55 041 0007

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 11.1 11.4 14.7 15.3 15 13.1 14.4
WIND SPEED mph 1 1.1 0.1 1.3 1.4 0.8 0.9
WIND DIRECTION Degrees 150 161 334 335 330 0 34
RELATIVE HUMIDITY %RH 101.8 101.8 101.8 101.8 101.8 100.6 89.8
TEMPERATURE degF 61.9 60.8 60.5 61 60.1 61.4 65.3
PM2.5 ug/m3 43.7 49.1 56.5 58.2 61.2 56.5 56

Potosi AQS ID - 55 043 0009

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
PM2.5 ug/m3 3.3 3.3 3 3.1 3.2 2.9 3.4

Ho-Chunk Nation-Black River Falls AQS ID - 55 053 2002

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
PM2.5 ug/m3 13.6 16.1 17.6 20.9 24.7 23.8 29.5

Jefferson-Laatsch AQS ID - 55 055 0009

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 16.5 12 9.3 8.3 6.4 4 15.1

Chiwaukee Prairie AQS ID - 55 059 0019

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 20.9 22.6 20.6 20.9 20.2 15.7 22
TEMPERATURE degF 73.1 73 72.2 71.7 70.8 70.8 73.7
WIND SPEED mph 3.1 4.3 5.4 3.2 1.8 0.7 2.6
WIND DIRECTION Degrees 252 271 271 263 255 229 7
PRECIPITATION inches 0 0 0 0 0 0 0
SOLAR RADIATION w/m2 -0.3 -0.3 -0.3 -0.3 4.4 51.5 224.2
PM2.5 ug/m3 3.5 3.6 3.6 3.4 3.4 3.3 3.2

Kenosha-Water Tower AQS ID - 55 059 0025

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 25.1 28.9 24.5 23.3 19.5 16.7 25.6
TEMPERATURE degF 72.5 72.5 71.4 71.2 70.6 71.4 75.2

Kewaunee AQS ID - 55 061 0002

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 29.6 30.6 28.6 24.6 19.8 19.9 20.6

La Crosse DOT AQS ID - 55 063 0012

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 12.5 8.8 5.3 4.4 3.3 4 5.7

Manitowoc AQS ID - 55 071 0007

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 25.8 26.6 28 27.6 20.6 19 19.1
WIND SPEED mph 3.3 4.1 2.4 1.6 2 2.9 2.1
WIND DIRECTION Degrees 345 347 349 2 343 339 355
TEMPERATURE degF 66.1 66.3 66.1 65.5 63.5 63.7 66

Lake Dubay AQS ID - 55 073 0012

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 12.6 11.9 8.6 7.6 9.2 7.4 11.7
PM2.5 ug/m3 18 20.3 21.1 22.1 23.9 15.5 8.7

Bayside AQS ID - 55 079 0085

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 32.4 28.7 23.4 18.7 33.5 39.4 37.7

Milwaukee-16th St. Health Center AQS ID - 55 079 0010

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 31.3 28 27.1 25.8 25.2 29.9 35.9
PM2.5 ug/m3 3.3 3.3 3.3 3.4 3.6 4.9 3.9

Milwaukee-College Ave NR AQS ID - 55 079 0056

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
CO ppm 0.111 0.137 0.107 0.189 0.193 0.164 0.24
NO2 ppb 10.4 9.9 19 17.5 10.3 13.2
WIND SPEED mph 2.6 2.4 3.1 2.2 0.9 1.8 2.4
WIND DIRECTION Degrees 258 272 308 311 12 23 14
TEMPERATURE degF 73.3 72.4 72.6 72.8 71.9 71.7 71.3
PM2.5 ug/m3 2.9 2.9 3 3.1 3.1 3.6 3.8
PM10 ug/m3 (25C) 6.3 7.1 6.7 7.5 7.6 8.8 8.3
PM COARSE (10-2.5) ug/m3 3.3 4.1 3.6 4.3 4.4 5.1 4.4

Milwaukee-UWM UPark AQS ID - 55 079 0068

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 33.4 30.6 26.6 25.4 30 40.7 41.3
SO2 ppb 0.2 0.4 0.2 0.2 0.4 0.3
NO ppb -1.6 -1.6 -1.4 -1.6 -1.7 -1.7
NO2 ppb 4.4 5.4 6.4 2.3 1 1.5
NOx ppb 2.8 3.8 4.9 0.7 -0.7 -0.2
WIND SPEED mph 2.9 3.3 1.5 2.4 3 4.6 4.8
WIND DIRECTION Degrees 284 288 283 342 13 16 13
TEMPERATURE degF 73.8 73 72.1 71 70.1 68.8 68.6

Ho-Chunk Nation-Tomah AQS ID - 55 081 2001

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
PM2.5 ug/m3

Rhinelander Tower AQS ID - 55 085 0996

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
SO2 ppb -0.5 -0.5 -0.6 -0.5 -0.5 -0.5 -0.5
WIND SPEED mph 0.5 0.9 1.1 1.2 1.3 1 0.8
WIND DIRECTION Degrees 303 86 336 336 356 22 148
TEMPERATURE degF 64.5 64 65 66.3 65.9 66 67.6

Appleton AQS ID - 55 087 0009

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 22.8 28.5 30.5 30 28.2 26.4 24.3
PM2.5 ug/m3 3.2 3 3.2 2.7 2.6 7.8 15.1

Kaukauna AQS ID - 55 087 0015

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
SO2 ppb 1.1 1 1 0.9 0.9 0.9 1
WIND DIRECTION Degrees 288 42 33 64 76 58 87
WIND SPEED mph 0.4 0.6 0.7 0.5 2.2 1.1 1.7
TEMPERATURE degF 71 71.5 71.3 71 69.3 69.1 72.2

Grafton AQS ID - 55 089 0008

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 30.6 28.9 27.9 25 29.4 36.1 32.6
TEMPERATURE degF 72.3 71.9 71.5 70.4 70 69.1 68.6
WIND SPEED mph 5 5.6 4.5 1.5 3.7 5.9 5.4
WIND DIRECTION Degrees 278 300 319 35 51 30 36

Harrington Beach Park AQS ID - 55 089 0009

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 34 29.2 24.9 22.8 39.1 35 30.3
TEMPERATURE degF 71.3 70.2 69.5 69.4 68.1 67.6 67.5
WIND SPEED mph 3.5 3.6 4.4 5 6.2 5.9 7.1
WIND DIRECTION Degrees 286 313 355 18 32 29 26
PM2.5 ug/m3 2.6 2.7 2.9 5.6 3.1 2.6 5.7

Racine-Payne & Dolan AQS ID - 55 101 0020

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 30.5 30.1 27.4 25.5 18.9 17.9 30.5

Beloit-Converse AQS ID - 55 105 0030

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 22.2 18.5 14.7 10.3 8.3 6.5 20.5

Devils Lake AQS ID - 55 111 0007

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 23.3 17.5 14.1 11.5 9.1 14.5 16.9
PM10 ug/m3 (25C) 9.5 12.3 5.5 16 12.3 8.6 7.3
PM COARSE (10-2.5) ug/m3 6.5 9 4 12.3 8.5 5.3 4.1
WIND SPEED mph 1.1 1.3 0.7 0.4 0.2 1.4 3.8
WIND DIRECTION Degrees 265 61 71 159 219 62 66
TEMPERATURE degF 68 67.7 66.3 66.3 67 68.6 69.2
PM2.5 ug/m3 2.6 2.9 1.4 3.3 3.4 3 3

Sheboygan-Haven AQS ID - 55 117 0009

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 23.3 23.4 29.6 36.2 35 30.2 25.9
WIND SPEED mph 3.1 3.2 4 4.2 4.1 3.6 4.1
WIND DIRECTION Degrees 338 4 15 36 37 28 35
TEMPERATURE degF 69.8 68.7 68.7 67.6 66.1 65.5 68.2

Sheboygan-Kohler Andrae AQS ID - 55 117 0006

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 27.2 27.6 27.7 37.4 35.5 31 27.9
TEMPERATURE degF 68.3 67.3 68.4 68.7 67.9 67.5 71.1
WIND SPEED mph 1.3 0.2 3.6 5.7 5.9 4.7 5.9
WIND DIRECTION Degrees 2 359 2 12 17 13 14

Trout Lake AQS ID - 55 125 0001

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 2.2 2 1.6 1.5 1.2 1.3 1.6

Elkhorn AQS ID - 55 127 0006

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 30.9 29.4 24.2 23.2 15.6 13.1 25.7

Waukesha-Cleveland Ave. AQS ID - 55 133 0027

Parameters Units Max Min 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OZONE ppb 21.7 19.3 19.7 22.9 19.7 21.3 29.7
TEMPERATURE degF 72.5 71.5 71.6 71.7 71.7 72.1 72.5
WIND SPEED mph 0.7 0.5 1 0.6 1.2 1.3 2.8
WIND DIRECTION Degrees 256 230 304 322 18 38 45
PM2.5 ug/m3 3.7 3.6 3.6 3.2 3.3 3.4 5.9
PM10 ug/m3 (25C) 8.3 8.3 8.6 7.3 9.6 9.7 11.1
PM COARSE (10-2.5) ug/m3 4.5 4.6 4.8 4 6.2 6.2 5