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Noise monitoring program
Active Air Quality Notification
  • An air quality ADVISORY for Unhealthy PM2.5 levels is in effect from 8/4/2025 12:00 to 8/5/2025 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,Juneau,Jefferson,Kenosha,Kewaunee,Lafayette,La Crosse,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 31 33 33 34 34 34 34 35 34 35 36 38 40 41 45 45 47 48 46 42 38 43 46 46
WIND SPEED mph 5.8 6.4 7.2 6.9 6.8 6.3 6.6 6.6 7.9 10.6 9 11 9.5 9.6 9.5 9.4 7.9 5.7 3.5 2.1 0.9 1.8 3.1 1.9
WIND DIRECTION Degrees 214 213 210 216 217 224 220 226 233 235 235 252 249 260 272 257 275 264 245 228 212 217 218 215
TEMPERATURE degF 7.5 8.5 9.4 10.1 11.1 11.9 12.7 14.1 16 19.2 22.9 26.8 29.9 32.6 34.6 35.1 35.6 34 31.1 29 27.3 27.1 27.1 26.4
RELATIVE HUMIDITY %RH 60.9 62.4 63.8 63.7 61.9 60.1 58.9 57.4 55.5 51.2 47.5 45.9 43.1 41.1 40.5 40 38.8 40.1 44.1 47.5 50.5 50.5 49.9 51.9
BAROMETRIC PRESSURE inHg 30.23 30.19 30.15 30.1 30.06 30.04 30.02 30.01 30.01 29.99 29.98 29.97 29.96 29.95 29.95 29.95 29.96 29.97 29.98 29.97 29.96 29.96 29.95 29.92
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

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

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 4.2 4 2.2 0.7 1.2 1 1.4 5.4 10 14.5 17.7 22.4 24 25.5 27.2 28.3 29.5 28.6 27.6 27.2 26.8 25.5 25.3 24.6
WIND SPEED mph 4.6 5.8 5.2 4.7 4.9 6 6.3 8.9 11 11.9 13.9 13.7 15.7 14.3 14.8 14.2 11.7 10.6 6.9 5.1 3.7 3.9 4.2 3.9
WIND DIRECTION Degrees 235 235 185 181 172 184 174 193 191 194 196 205 206 205 211 210 214 223 235 226 202 169 185 185
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 31 29 29 30 29 28 27 28 32 37 37 40 44 45 46 46 46 46 44 43 43 43 41 41
CO ppm 0.19 0.19 0.195 0.184 0.192 0.198 0.208 0.2 0.182 0.191 0.184 0.179 0.169 0.175 0.192 0.189 0.184 0.192 0.204 0.208 0.214 0.211 0.207
SO2 ppb 0 0 0.001 0 0 0.021 0.322 0.349 0.373 0.652 0.58 0.79 0.923 0.898 0.765 0.6 0.475 0.436 0.395 0.296 0.237
NO ppb 0.029 0.043 0 0.046 0.087 0.328 1.839 2.614 2.158 3.523 2.684 1.482 1.04 1.045 1.026 0.677 0.198 0.062 0.048 0.057 0.055 0.06 0.036
NOy-NO ppb 6.899 6.636 5.7 6.51 7.768 9.402 9.649 7.83 5.891 7.144 6.076 4.921 4.864 5.593 6.543 7.285 7.789 8.946 8.862 8.235 8.254 8.343 7.751
NOy ppb 6.913 6.688 5.664 6.553 7.858 9.714 11.476 10.415 8.039 10.657 8.747 6.397 5.91 6.62 7.563 7.963 7.995 8.992 8.94 8.277 8.3 8.403 7.779
PM10 ug/m3 (25C) 14 15 16 11 18 17 20 18 23 21 22 14 22 17 18 23 18 19 19 19 17 22 22 27
PM COARSE (10-2.5) ug/m3 5 4 7 1 9 11 8 11 15 11 7 7 9 -7 8 13 2 14 16 16 3 13 8 9
WIND SPEED mph 5.2 5.8 5.7 6.5 7.8 8.1 10.1 12.4 14.1 17.4 15.3 16.2 17.5 15.3 14.4 16 13.2 12.2 9.5 8.8 9.5 8.3 6.2 5.2
WIND DIRECTION Degrees 193 191 177 172 182 183 183 188 194 197 197 199 209 209 216 211 213 211 212 210 209 209 199 173
BAROMETRIC PRESSURE inHg 30.37 30.36 30.34 30.29 30.28 30.29 30.27 30.24 30.22 30.16 30.14 30.1 30.06 30.04 30.02 30.01 29.98 29.99 29.99 30.01 30.01 30.01 30 29.99
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 3.5 2.5 1.2 0.4 0.8 1 1.5 4.1 9.6 14.7 19 22.8 25.9 26.9 27.3 26.3 26.8 25.8 24.8 24.1 24 24 23.4 22
RELATIVE HUMIDITY %RH 58.2 59.2 61.4 63.7 64.3 64.5 64.8 62.6 57.6 54.5 50.5 48.3 46.3 48.6 50.6 54.2 56 60.3 64.3 66.7 68.2 69.6 71.7 74.4
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
WIND SPEED mph
WIND DIRECTION Degrees
TEMPERATURE degF 74 74 73 74 73 73 73 73 73 73 74 73 74 74 74 73 75 73 73 73 74 74 73 75

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
WIND SPEED mph 4.2 5.1 5.1 5.9 6.4 6.5 5.4 6.4 5.3 4.8 5.8 7 6.2 6.2 6.1 4.9 4.6 2.1 0.6 1 1.1 1.4 1.8 2.4
WIND DIRECTION Degrees 167 171 174 183 182 181 179 177 178 199 224 228 230 234 254 257 255 249 229 276 321 181 155 141
TEMPERATURE degF
PM2.5 ug/m3
PM10 ug/m3 (25C)
PM COARSE (10-2.5) ug/m3

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

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 33 32 31 32 32 32 31 33 34 36 36 36 38 40 42 43 43 42 41 41 40 38 36 36
WIND SPEED mph 9 9.5 8.6 9.3 9.3 9.7 10.3 11.2 12 12.1 10.9 9.6 8.6 8.7 9.6 8.9 8.3 6.1 5.9 6.2 6.9 7 7.5 7.8
WIND DIRECTION Degrees 246 243 239 236 237 235 230 225 230 232 230 225 233 235 249 252 250 250 279 269 264 265 259 259
RELATIVE HUMIDITY %RH 61.2 66.2 71.5 77.4 81.5 81.2 78.1 71.1 60.8 55.2 52.3 49.7 47.4 46.1 46.2 47.5 48.7 52.4 53.5 55.5 59 62.3 64.9 67.4
TEMPERATURE degF 0 -0.7 -1.2 -2 -2 -1.2 -0.1 3.2 9.1 13.9 17.2 20.1 23 25.1 26.6 27.1 27 25.3 24.3 23.1 22.1 21.1 20.4 19.8
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
TEMPERATURE degF 2.6 1.9 0.7 0.1 -0.3 1.1 3.5 6.4 12.1 16.8 20.1 24 27 29.7 30.1 29.2 28.1 26.9 25.9 25.5 24.9 25.4 25.2 24.7
WIND SPEED mph 6.9 5.2 5.2 5.3 4.1 5.8 10.2 10.9 12.3 16.1 17.1 15.9 16.9 17.8 21.2 20.3 18 15.2 13.6 11.8 9.1 11.4 10.1 8.1
WIND DIRECTION Degrees 238 238 222 224 221 214 227 223 219 226 212 211 214 214 223 229 227 229 223 225 230 234 226 226
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
TEMPERATURE degF

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

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
WIND SPEED mph
WIND DIRECTION Degrees
TEMPERATURE degF

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 0.219 0.229 0.519 0.238 0.245 0.302 0.395 0.366 0.35 0.304 0.215 0.234 0.257 0.212 0.267 0.317 0.337 0.311 0.287 0.288 0.304 0.297 0.285 0.251
NO2 ppb 18.4 20.1 17.6 19.8 23.8 31.1 24.9 20.9 19.1 18.5 15.9 15.7 15.1 15.2 16.3 17.6 20.6 18 21.9 24.3 18.7 17.6 18
WIND SPEED mph 5.7 5.3 5.9 6.7 7.5 7.7 8 9.9 12.4 12.7 14 15 13.2 14.9 17.4 15.6 13.8 12.5 11.3 7.7 7 7.3 7.2 7.5
WIND DIRECTION Degrees 233 230 223 224 219 224 214 213 215 214 213 207 208 211 212 215 217 214 216 217 211 217 217 219
TEMPERATURE degF 2.6 1.4 0.8 0.4 -0.6 -0.7 0 3.4 7.7 12.5 18.1 21.7 24.9 26.7 25.6 25.9 26.6 25.9 25.1 24.1 22.7 22.6 22.8 22.5
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 8.2 4.3 0.7 1.7 5.5 11.8 28.7 10.3 8.7 1.9 2.3 4.4 16.2 2.4 3.4 1.4 1.4 1.5 1.6 1.6 1.6 1.6 1.5 1.4
WIND SPEED mph 5.9 6.2 5.9 5.9 6.2 6.5 7 8.3 9.1 7.9 8 7.1 7.1 6.4 6.2 5.5 5.6 4.5 4.5 4.8 4.2 4.2 4 4
WIND DIRECTION Degrees 226 222 221 217 214 212 211 215 219 223 230 223 226 241 244 253 277 278 256 250 248 245 240 234
TEMPERATURE degF -0.4 -0.6 -0.8 -0.8 0.1 1.5 3.4 6.2 9.3 12.5 15.5 19.2 23.7 27.1 28.3 30.5 29.4 26.2 24.3 23 21.4 20.1 18.9 18.6

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
PM2.5 ug/m3

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 2 1.6 -0.1 -0.7 -0.4 0.2 2.2 6.4 11.3 16.5 20 23.4 26.3 28.4 27.7 27.3 26.1 25.4 24 23 22.8 23.3 23.1 22.2
WIND SPEED mph 5.1 5.8 5.5 6.3 7 7.6 8.2 11 11.7 12.2 12.3 14.5 15.7 15.9 14.6 14.5 14.1 14.3 10.1 8.4 9.2 9.2 8.1 6.1
WIND DIRECTION Degrees 220 222 211 203 209 208 212 215 213 207 200 197 196 209 214 218 221 223 227 228 228 230 242 241
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
PM10 ug/m3 (25C) 14 16 17 12 16 17 21 13 14 16 12 14 14 14 15 17 21 20 21 20 24 23 19 23
PM COARSE (10-2.5) ug/m3 9 12 8 2 9 12 14 4 7 8 5 11 12 7 5 9 11 8 9 6 12 9 8 15
WIND SPEED mph 2.7 1.7 1.2 2.3 3.2 2.8 3.3 3.4 4.3 4.3 4.9 5.2 5.9 6.9 6.7 7 5.2 5.4 5.1 3.6 2.3 2.4 0.6 0.6
WIND DIRECTION Degrees 221 210 167 221 219 216 199 188 162 200 219 223 233 239 232 232 229 239 232 237 223 223 129 146
TEMPERATURE degF 2.2 1.1 0.8 1.7 2.3 2.6 2.2 4.8 9.6 16.7 21.7 25.3 26.8 26.4 27.7 29.1 29.1 27.1 25.6 25.5 25.7 26.3 24.3 22.5
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 2 1 1 1 1 -1 2 6 12 17 20 23 26 29 29 29 27 26 23 22 22 23 24 23
WIND SPEED mph 1.7 2 2.2 3.1 3.2 2.1 4.5 5.1 7.1 9.5 13.8 15.9 17.6 11.6 8 7.4 7.1 5.5 3.5 4 3.8 3.6 3.2 2.7
WIND DIRECTION Degrees 254 248 242 233 224 238 222 213 218 209 195 193 193 205 227 229 229 228 240 244 239 244 246 242

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 3 1.8 0.2 -0.3 -0.7 -0.4 0.4 3.6 8.6 15.2 20 23 26.1 26.9 26.4 26.6 27.1 26.2 24.7 24 22.7 22.6 22.8 22.6
WIND SPEED mph 3.7 3.5 3.5 3.8 3.9 4.1 4.4 5.7 6.2 7.6 9.6 9.8 9.7 9.9 9.6 8.5 8.6 6.3 4.7 3.8 3.4 3.3 3.5 3.3
WIND DIRECTION Degrees 215 212 210 214 199 202 198 195 198 189 193 193 192 209 211 214 214 213 207 212 196 197 206 197
PM2.5 ug/m3
PM10 ug/m3 (25C)
PM COARSE (10-2.5) ug/m3