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Noise monitoring program
Active Air Quality Notification
  • An air quality ADVISORY for Unhealthy PM2.5 levels is in effect from 7/29/2025 08:30 to 7/31/2025 12:00 for these counties: Adams,Ashland,Barron,Bayfield,Brown,Buffalo,Burnett,Calumet,Chippewa,Clark,Columbia,Crawford,Dane,Dodge,Door,Douglas,Dunn,Eau Claire,Florence,Fond du Lac,Forest,Grant,Green,Green Lake,Iowa,Iron,Jackson,Jefferson,Juneau,Kenosha,Kewaunee,La Crosse,Lafayette,Langlade,Lincoln,Manitowoc,Marathon,Marinette,Marquette,Menominee,Milwaukee,Monroe,Oconto,Oneida,Outagamie,Ozaukee,Pepin,Pierce,Polk,Portage,Price,Racine,Richland,Rock,Rusk,Sauk,Sawyer,Shawano,Sheboygan,St. Croix,Taylor,Trempealeau,Vernon,Vilas,Walworth,Washburn,Washington,Waukesha,Waupaca,Waushara,Winnebago,Wood .

Hourly Monitoring Data

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Friday, 
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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 46 46 45 45 45 45 45 44 44 45 45 45 45 45 46 47 46 46 45 38 25 23 20 19
WIND SPEED mph 8.1 7.5 7.6 6.3 5.7 5.8 5.3 6.7 7 5.9 6.5 6.8 5.5 6.6 6.7 7.3 6.9 5.4 1.5 0.5 0.5 0.5 0.5 0.5
WIND DIRECTION Degrees 13 11 16 12 17 24 35 32 18 29 42 38 41 31 78 63 74 91 104 202 221 245 193 199
TEMPERATURE degF 22.5 21.9 22 21.7 21.5 21.2 21.2 21.9 22.2 22.8 23.4 24.1 25 25.6 26.1 26.1 25.7 25.3 22.9 19.3 16.1 14.6 13.3 12.3
RELATIVE HUMIDITY %RH 52 52.6 53.5 54.2 55.7 56.4 58.9 58.8 58.5 57.5 58 56.3 55.1 53.6 51.2 48.9 54.7 58.1 63.3 73.3 83.2 86.1 89.2 89.5
BAROMETRIC PRESSURE inHg 30.22 30.22 30.22 30.23 30.24 30.24 30.26 30.27 30.28 30.28 30.27 30.26 30.25 30.23 30.21 30.2 30.19 30.19 30.19 30.2 30.2 30.21 30.22 30.22
PRECIPITATION inches 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SOLAR RADIATION w/m2
PM2.5 ug/m3

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

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 42 43 43 44 44 45 46 47 47 47 43 38 34 34 33 37

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 41 42 41 42 39 37 38 42 45 45 46 46 47 48 48 48 48 47 43 39 38 40 37 34

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
TEMPERATURE degF 24.7 22.7 21.1 19.9 18.8 17.8 18.2 20.7 22.8 24.8 26.3 28.4 30.5 31.9 33.1 34.5 34.6 34.3 29.7 27.1 26.1 24.9 23.5 23.3
WIND SPEED mph 9.7 10.3 11.1 10.6 8.7 7.4 7.9 11.8 13.7 14.5 13.5 10.7 8.5 9.2 7.9 6.6 6.7 5.2 3.2 3.3 3 2.7 2.2 4
WIND DIRECTION Degrees 12 357 3 16 15 6 7 24 14 18 20 17 8 4 359 12 7 24 81 87 110 132 156 161
PM2.5 ug/m3

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 40 42 43 41 39 37 38 41 42 42 44 44 45 44 45 45 46 45 44 40 39 36 34 34
CO ppm 0.129 0.131 0.132 0.122 0.13 0.138 0.139 0.138 0.133 0.134 0.134 0.133 0.134 0.137 0.145 0.141 0.14 0.147 0.155 0.161 0.163 0.183 0.188
SO2 ppb 0.135 0.19 0.161 0.086 0.104 0.126 0.125 0.143 0.143 0.138 0.151 0.134 0.144 0.152 0.165 0.177 0.178 0.173 0.174 0.179 0.319 0.288 0.392
NO ppb 0.008 0.03 0.019 0.029 0.034 0.083 0.152 0.312 0.339 0.339 0.279 0.357 0.464 0.378 0.327 0.268 0.147 0.048 0.045 0.04 0.047 0.038 0.072
NOy-NO ppb 0.584 0.692 0.608 0.893 0.745 0.998 0.752 1.127 1.223 0.99 0.989 1.266 1.665 1.64 1.637 1.804 2.158 2.368 3.323 3.136 2.919 3.343 4.56
NOy ppb 0.591 0.723 0.628 0.922 0.779 1.083 0.904 1.437 1.561 1.324 1.267 1.62 2.128 2.015 1.957 2.068 2.3 2.412 3.364 3.179 2.964 3.377 4.621
PM10 ug/m3 (25C) -1 -3 -3 -3 -5 -4 -2 0 0 1 1 3 4 4 3 -2 -3 0 0 5 4
PM COARSE (10-2.5) ug/m3 -4 2 1 1 2 -1 5 6 6 5 7 6 1 0 1 0 5 6
WIND SPEED mph 8 11.3 9.5 7.8 4.6 5.5 9 8.3 8.1 8.2 7.7 10 7.9 6.1 5.1 5.1 5 4.1 3.2 2.8 3.1 5.3 3.2 2.8
WIND DIRECTION Degrees 15 20 14 16 3 341 336 3 9 1 2 341 348 8 18 31 35 51 70 101 133 136 154 205
BAROMETRIC PRESSURE inHg 30.04 30.04 30.07 30.06 30.09 30.11 30.11 30.12 30.11 30.12 30.13 30.12 30.12 30.11 30.1 30.1 30.1 30.1 30.1 30.1 30.12 30.14 30.15 30.14
PRECIPITATION inches 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TEMPERATURE degF 24 22.1 20.3 19 18.2 17.8 19.9 21.8 22.7 23.8 27.1 28.5 30.1 31.3 31.7 31.5 31.1 29.3 26.8 25.4 24.1 22.2 20.8 20.1
RELATIVE HUMIDITY %RH 61 52.7 49.4 53.7 61 67.1 61.9 49.4 44.2 40.7 35.8 35.5 34.7 34.6 33.7 32.9 32.6 35.8 42.5 47.6 48 59.5 65.5 66.1
PM2.5 ug/m3

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 42 42 42 43 43 43 42 42 42 43 43 44 45 45 47 47 47 47 47 46 46 45 44 41
WIND SPEED mph 2.8 3.1 2.7 2.7 2.5 3.5 4.7 5.1 5.7 6.4 5.8 5.5 5.6 5.2 5.2 5 4.3 3.6 3.2 4.1 3.1 2.8 1.6 1.7
WIND DIRECTION Degrees 346 350 352 0 8 15 22 11 359 353 355 3 14 20 22 20 23 34 36 42 33 40 360 359
TEMPERATURE degF 74 73 73 73 74 73 73 73 74 73 72 73 73 73 72 72 72 73 73 72 74 73 74 73

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 39 32 22 14 27 25 21 36 42 43 45 47 47 47 48 48 48 47 42 33 29 24 3 4
WIND SPEED mph 1.2 0.6 0.4 2.6 2.5 1.3 1.8 4 3.2 1.8 1.8 1.5 2.5 3.1 1.8 2.1 0.8 1.7 1.4 1.6 1.2 1.6 2.9 2
WIND DIRECTION Degrees 38 215 46 334 336 357 345 4 56 69 318 341 288 304 265 263 343 48 114 144 144 131 134 133
TEMPERATURE degF
PM2.5 ug/m3
PM10 ug/m3 (25C)
PM COARSE (10-2.5) ug/m3

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 42 41 41 41 41 41 40 40 41 42 43 45 45 46 46 46 46 46 46 46 46 46 44 41
WIND SPEED mph 5.4 4.8 5.4 5.6 5.7 5.8 6.2 7.1 7.4 7.4 6.7 6.6 6.2 6.6 5.6 5.4 4 4.2 2.5 1.5 1.6 2.8 3.8 4.7
WIND DIRECTION Degrees 351 344 338 335 329 338 353 6 6 360 353 359 6 346 339 351 353 36 90 102 101 114 115 162
RELATIVE HUMIDITY %RH 77.1 78.1 75.1 76.4 77.4 80.1 78.9 73 61.6 48.2 41.5 36.3 33.4 30.7 28.8 27.9 27.5 28.5 31.9 32.9 33.3 36.5 41.7 58.1
TEMPERATURE degF 11.6 10.1 9.5 8.4 7.5 6.7 7.4 10 13.3 16 18.8 20.9 23.2 25 26.4 27.5 28 27.2 24.2 22 20.7 19.5 18 15.1
PM2.5 ug/m3

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

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

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 42 42 40 43 40 39 37 38 41 42 42 43 44 44 45 45 45 46 47 46 46 45 35 44
TEMPERATURE degF 27.5 27.1 26.7 25.2 22.6 20.4 19.1 21.4 23 24.2 25.5 25.4 25.6 25.9 26 26.1 25.6 25.5 24.9 25.2 25.7 26 23.1 25.6
WIND SPEED mph 18.1 19.9 20.2 21 12.6 11.1 11.2 13 14.1 14 13.6 18.3 19.4 19.7 19.4 19.7 19.3 18.6 16.4 16.2 15.3 12 4.8 11.6
WIND DIRECTION Degrees 30 26 26 20 353 347 339 349 354 353 11 25 32 34 34 33 32 31 31 29 31 24 355 32
PRECIPITATION inches
SOLAR RADIATION w/m2
PM2.5 ug/m3

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 40 40 36 39 40 36 36 39 40 42 42 42 42 42 43 44 44 44 44 43 40 31 28 15
TEMPERATURE degF 26 25.5 24.7 23.1 20.4 18.7 18.8 20.8 22.1 23.2 24.4 25.5 26.4 27.1 27.3 26.8 25.6 24.6 23.3 22.7 22.3 19.7 18.4 18

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

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 41 39 36 32 15 20 6 27 39 41 42 43 44 45 47 47 47 46 46 46 46 44 32 30

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
PM2.5 ug/m3

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

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
PM2.5 ug/m3

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 0.188 0.188 0.503 0.192 0.234 0.327 0.373 0.307 0.247 0.263 0.263 0.249 0.247 0.232 0.279 0.447 0.307 0.261 0.282 0.34 0.396 0.289 0.312 0.408
NO2 ppb 13.1 12.1 13.4 22.3 31.5 28 22.9 16.1 14 12.1 16.8 14 15.3 17.7 20.8 21 19.2 19.7 40.3
WIND SPEED mph 5.7 7.6 8.5 9.5 8.5 6.4 7.1 8.2 8 7.9 7.6 7.1 6.4 6.9 7.1 6.8 6.6 5.4 4.4 3.9 2.7 2.6 1.9 2.9
WIND DIRECTION Degrees 15 14 17 13 7 354 350 358 4 5 10 13 24 33 28 18 24 22 20 12 11 17 14 306
TEMPERATURE degF 25.3 24.5 23.1 20.8 19.3 18.5 19.7 21.3 22.5 24.2 25.5 26.7 28.1 28.7 28.1 27.4 26.9 25.4 23.3 23.1 22.8 22.5 21.9 21.1
PM2.5 ug/m3
PM10 ug/m3 (25C)
PM COARSE (10-2.5) 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 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.1 1.1 1.2 1.2 1.2 1.3 1.4
WIND SPEED mph
WIND DIRECTION Degrees
TEMPERATURE degF

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
PM2.5 ug/m3

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
TEMPERATURE degF
WIND SPEED mph
WIND DIRECTION Degrees

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
TEMPERATURE degF 22.8 19.7 18.4 17.8 17.1 16.8 17.6 19.8 21.1 22.3 22.9 25.1 26.3 26.1 26.2 25.9 25.5 24.1 22.2 20.9 19.8 18.8 18.3 17.4
WIND SPEED mph 11.2 13.3 12.1 11.6 10 10.6 12 14 13.9 13.4 13.7 12.4 10 10 9.4 8.6 7.7 7 5.4 3.9 3.1 3.3 3.6 3.5
WIND DIRECTION Degrees 352 353 349 343 331 330 334 341 345 348 343 359 10 38 37 33 35 29 22 356 341 314 315 321
PM2.5 ug/m3

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

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 42 40 39 38 37 37 38 42 44 45 46 47 48 49 49 49 48 45 37 36 41 41 38
PM10 ug/m3 (25C) 3 2 5 4 1 1 3 3 3 2 4 4 2 0 -1 1 3 1 3 8 7 5 4 3
PM COARSE (10-2.5) ug/m3 2 1 5 4 1 -1 1 3 4 2 3 6 1 -2 -3 -1 0 -3 0 6 3 6 3 0
WIND SPEED mph 3.4 2.9 2.5 1.7 1.5 1.3 1.9 2.9 4 4.2 4.6 3.7 3.9 3.2 4.1 2.9 2.7 2.3 2 2.3 2.3 1.8 2.3 1.3
WIND DIRECTION Degrees 14 7 18 15 30 48 35 18 16 15 349 2 349 18 45 37 40 45 63 79 85 92 96 67
TEMPERATURE degF 19.7 17.8 16.1 14.2 13 13.1 16.5 20.5 23.8 25.4 26.7 28.9 30.7 32.4 33.2 34.2 34.1 32.7 27.3 23.5 21.4 21.6 21.7 19.5
PM2.5 ug/m3

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
WIND SPEED mph
WIND DIRECTION Degrees
TEMPERATURE degF

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
TEMPERATURE degF 22 20 19 18 18 17 17 20 22 23 24 25 24 24 24 24 24 23 23 23 23 24 23 19
WIND SPEED mph 8.6 7.5 6.1 4.8 4.2 4.8 5.2 6.2 7.6 8.3 9.4 10.1 14.7 14.7 13.7 12.9 10.6 8.5 6 6.7 5 5.7 3.4 2.6
WIND DIRECTION Degrees 345 341 337 333 328 327 328 337 348 356 6 16 27 30 27 28 24 21 13 17 10 18 358 283

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

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
TEMPERATURE degF 26.7 25.3 23 20.4 18.9 18 18.4 20.5 22 23.4 24.6 26.1 28.1 29 30.3 30.6 30.2 27.6 23.9 22.4 21.3 20 20.3 19.4
WIND SPEED mph 7.7 4.8 6.6 8.2 7.6 6.6 7.1 8.9 9 9 7.7 7.7 5.9 5.9 6.4 6.2 4.6 3.9 3.4 2.9 1.7 1.1 2.2 1.5
WIND DIRECTION Degrees 336 3 11 356 353 344 334 349 358 349 345 354 347 346 3 342 62 81 64 62 49 26 54 347
PM2.5 ug/m3
PM10 ug/m3 (25C)
PM COARSE (10-2.5) ug/m3