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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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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 17 17 13 12 13 12 14 27 37 40 45 47 47 49 50 52 51 52 51 50 50 51 51 51
WIND SPEED mph 0.5 0.5 0.5 0.5 0.5 0.5 0.6 2.4 3.2 3.8 4 5.2 6.3 6.3 7.2 7.4 7 6 2.7 4 5.9 5.9 6.5 7.3
WIND DIRECTION Degrees 210 200 230 215 244 197 234 233 233 261 249 252 242 225 234 236 228 214 213 208 215 208 209 210
TEMPERATURE degF 11.4 11.1 10.8 10 9.6 9.3 13.3 21.2 28.6 34.5 38.8 40.9 42 44.5 45.4 46.2 45.9 44.5 41 39.2 38.7 37.4 36.3 36.3
RELATIVE HUMIDITY %RH 89.7 89.4 88.8 88.4 87.9 87.9 83.1 66.9 48.5 40.3 30.8 26.9 27.2 21.8 21.5 22.7 23.8 26 29.9 32.5 32.6 35 39.9 41.6
BAROMETRIC PRESSURE inHg 30.22 30.22 30.23 30.23 30.23 30.25 30.26 30.25 30.25 30.25 30.23 30.2 30.17 30.14 30.11 30.08 30.06 30.04 30.03 30.01 30 29.98 29.94 29.89
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 37 38 37 37 34 20 19 36 45 45 45 45 46 47 47 49 50 50 45 41 39 39 38 36

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 32 33 32 31 31 28 25 37 42 43 46 47 49 50 51 51 52 50 45 43 42 37 37 39

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 22.5 21.4 20.4 18.1 17.2 16.6 19.3 23.6 27 29.6 32.2 33.9 35.4 36.2 37.1 37.4 37.5 37.3 35.3 33.8 32.5 31.7 31 30.8
WIND SPEED mph 5.3 3.5 2.5 1.1 1.3 0.7 2.1 4.1 5.6 6 6 5.4 5.2 7.5 7.9 8.4 8.7 7.3 6.8 5.6 5.4 5 5.7 6.6
WIND DIRECTION Degrees 175 175 143 150 119 177 181 170 176 184 200 198 213 186 198 199 207 207 196 182 192 190 177 179
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 26 28 26 26 22 27 26 36 42 44 44 46 47 49 50 50 51 49 47 44 41 39 36 35
CO ppm 0.2 0.206 0.204 0.175 0.183 0.185 0.183 0.161 0.158 0.15 0.148 0.147 0.152 0.159 0.148 0.156 0.161 0.163 0.176 0.175 0.182 0.182 0.183
SO2 ppb 0.232 0.168 0.154 0.117 0.114 0.116 0.198 0.37 0.425 0.363 0.344 0.298 0.319 0.373 0.444 0.41 0.308 0.309 0.287 0.267 0.264 0.251 0.235
NO ppb 0.045 0.618 0.064 0.051 0.063 0.909 0.984 0.497 0.413 0.302 0.347 0.316 0.274 0.251 0.176 0.157 0.137 0.123 0.071 0.034 0.022 0.028 0.056
NOy-NO ppb 4.442 6.263 5.762 5.837 5.896 5.313 4.22 1.835 1.656 1.671 1.543 1.578 1.898 1.893 1.906 2.317 3.03 3.185 4.719 3.704 3.78 3.405 3.456
NOy ppb 4.49 6.863 5.84 5.904 5.935 6.232 5.204 2.33 2.063 1.975 1.892 1.892 2.172 2.142 2.073 2.468 3.158 3.304 4.786 3.737 3.802 3.432 3.512
PM10 ug/m3 (25C) 8 6 12 8 5 4 4 5 4 3 5 3 3 9 7 6 4 1 8 7 5 11 9 7
PM COARSE (10-2.5) ug/m3 -7 9 9 4 4 1 -4 -2 -1 2 4 3 2 1 4 5 3 1 11 8 3 4 3 2
WIND SPEED mph 1.8 1.5 0.7 1.6 1.6 1.1 1.4 2.8 4.4 2.9 2.6 4.1 4.2 4.8 6.1 6.2 7.5 7 4.4 3.6 5 6.5 7.5 8.5
WIND DIRECTION Degrees 149 236 106 93 85 102 131 163 159 207 239 274 196 193 217 216 198 214 233 217 171 176 169 169
BAROMETRIC PRESSURE inHg 30.16 30.17 30.17 30.18 30.19 30.2 30.22 30.23 30.25 30.26 30.26 30.25 30.23 30.22 30.2 30.18 30.17 30.16 30.15 30.16 30.14 30.14 30.13 30.1
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 18.7 18.8 17.9 17.5 17.4 17.4 22.9 26.8 28.8 31.3 33.9 35.6 37.4 38.4 39.2 39.7 39.4 37.8 35.2 33 31 30.1 27.9 27.2
RELATIVE HUMIDITY %RH 75.7 73.2 77.2 80.2 80.5 80.3 72.3 59.5 52.5 42.4 39.4 35.2 31.2 30.1 28.1 27.7 28.7 32.7 38.4 41.9 49.2 52.9 59.7 60.4
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 42 43 42 44 45 45 43 43 45 46 46 47 48 47 48 48 48 49 49 49 49 49 48 45
WIND SPEED mph 1.4 1.4 1.2 1.2 1.3 1 1.2 0.5 1.4 2.8 3.7 4.2 4.9 5 5.7 5.1 6.4 5.9 5.6 6.3 7.2 6.7 6 5.7
WIND DIRECTION Degrees 344 337 322 318 336 337 348 333 196 210 200 187 168 182 183 183 191 193 201 203 202 201 204 210
TEMPERATURE degF 73 73 73 74 74 75 74 73 72 73 73 73 72 73 71 73 73 73 73 73 73 73 73 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 5 2 2 1 2 7 4 15 36 47 47 48 48 50 50 51 52 53 52 49 48 48 47 45
WIND SPEED mph 1.9 2.6 2.3 2.2 1.6 1.6 2.2 2.5 2.4 3.9 4.6 5.3 5.8 6.5 6.3 5.9 7 6.5 3.8 4.4 3.6 5.9 8 8.3
WIND DIRECTION Degrees 129 139 136 136 138 132 131 124 150 198 187 193 183 189 213 201 226 222 196 175 157 166 170 177
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 41 42 41 43 43 43 42 41 40 42 45 46 47 47 48 48 49 49 47 47 47 46 46 47
WIND SPEED mph 4.4 4.6 5 5.6 6.7 6.8 7.1 7.5 6.2 4.3 5.9 5.6 6.5 6.6 6.5 8 8 6.5 5.8 5.5 6.5 7.3 9 8.9
WIND DIRECTION Degrees 188 190 188 194 202 218 224 232 238 265 251 254 264 243 255 226 223 217 215 209 211 213 224 218
RELATIVE HUMIDITY %RH 67 70.3 71.6 68.1 66.7 66.4 67.7 63.7 56.2 45.6 33.7 31.8 31 30.3 29.3 30.8 32 35.4 38 39.5 39.3 41.6 45.9 49.4
TEMPERATURE degF 13.8 12.6 11.7 11.5 11.6 11.9 13.7 17.1 21.7 26.9 30.1 32.2 34.3 35.7 36.7 36.7 36.4 35 32.5 31.3 30.8 30.7 29.8 28.8
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 27 25 30 46 46 20 24 44 46 47 47 47 48 48 49 49 50 50 50 49 48 47 37 22
TEMPERATURE degF 22 20.8 21.4 24.4 24.6 21.9 21.7 26.4 28.4 29.3 29.8 30.1 30.3 31 31.1 30.8 30.2 29.5 28.2 28.2 27.7 28.3 28.3 26.5
WIND SPEED mph 5.2 5.8 4.7 9.4 9.3 3.3 3.9 6.6 6.6 6.2 6 5.9 6.8 6.7 7.5 8.7 9.5 9 8.8 7.1 6.1 7.4 6.7 7.1
WIND DIRECTION Degrees 325 330 358 52 50 19 0 50 56 59 76 92 111 125 145 156 160 165 169 181 195 188 206 202
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 21 26 16 18 8 15 14 24 43 45 45 46 46 46 47 47 47 47 46 44 42 41 32 19
TEMPERATURE degF 18.9 19.4 17.8 17.7 15.7 15.7 18.7 25.5 28.4 29.4 30 31.1 31.5 32 32.1 31.9 30.8 29.4 27.4 26.7 26.4 26.6 26.1 26.1

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 31 19 16 7 2 3 13 24 36 41 47 50 51 52 52 52 54 53 51 49 47 45 45 44

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 0.46 0.391 0.721 0.443 0.398 0.45 0.522 0.431 0.228 0.226 0.241 0.195 0.184 0.183 0.18 0.182 0.192 0.197 0.199 0.204 0.257 0.245 0.279 0.286
NO2 ppb 39.9 40.1 41.3 36.2 42.1 39.4 28.1 8.3 8.3 9.5 3.2 2.8 2.9 5.6 7 4.1 4.7 5.1 6 15.1 12.4 15.4 17.3
WIND SPEED mph 2.8 2.2 2 3.4 3.4 2.3 2.9 1.5 1.1 3.5 2.7 4.3 7.8 7.8 8.6 8.9 11.2 10.1 9.6 8 7.5 4.8 0.4 0.5
WIND DIRECTION Degrees 310 325 312 308 320 314 306 331 73 110 146 101 127 116 121 118 139 153 166 175 184 170 117 121
TEMPERATURE degF 20 20 19.2 18.7 18.7 18.5 21 25.3 28.3 29.8 30.5 32.9 32.3 32.8 33 33.2 32.5 31.1 28.3 27 26.8 26.4 26.1 25.7
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
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 17.2 16.9 16.7 16.9 16.7 16.6 19.3 24.5 28.2 28.3 29.4 29.9 30.2 30.7 30.6 30.7 30.4 28.8 27.2 27.2 27.6 26.4 24.9 25.3
WIND SPEED mph 3.7 3.8 4.5 4.6 4.6 4.8 4.5 3.7 2.1 4.8 6.3 8.7 9.3 10.7 11.9 12.5 11.7 11.4 9.9 10 8.4 7.1 7.9 8.9
WIND DIRECTION Degrees 308 308 299 306 302 308 309 313 19 110 118 128 145 149 149 151 157 163 170 174 177 198 198 198
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 37 37 34 35 34 31 30 33 35 40 43 46 48 49 50 51 51 51 49 46 44 43 43 42
PM10 ug/m3 (25C) 4 5 6 6 7 6 7 6 8 8 6 3 5 7 6 5 6 4 6 8 6 6 7 9
PM COARSE (10-2.5) ug/m3 1 0 0 0 0 1 3 -3 2 3 0 -1 3 6 3 2 3 -1 0 1 1 2 4 4
WIND SPEED mph 1.4 1.6 2.1 2.1 1.4 1.6 1.2 0.6 1.4 2.8 2.3 2.9 3.1 3.3 3.4 3.5 3.3 3.7 0.9 0.1 0.8 1.8 1.2 1.7
WIND DIRECTION Degrees 65 64 65 70 65 70 77 144 204 178 198 168 169 237 222 217 220 231 185 251 223 216 161 182
TEMPERATURE degF 18.2 18.1 17.8 17.2 16.1 15.8 19.9 25.9 27.9 30.7 33.5 34.6 36.2 37.5 38.4 38.4 37.5 35.5 30.8 28 27.4 28 28.2 28.5
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 18 18 17 16 16 16 20 28 28 28 28 28 29 30 30 30 30 30 29 30 30 31 28 28
WIND SPEED mph 2.9 2.7 3.1 2.8 3 3.1 2.8 1.7 3.2 5.3 6.7 8.7 9.8 12.4 14.1 15.4 16.9 18.4 18.2 17.5 18.5 14.3 5 7.1
WIND DIRECTION Degrees 282 287 284 289 291 290 289 288 113 126 145 145 157 162 164 167 171 173 179 185 185 189 221 213

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 18.7 17.7 17.4 17.1 17 17.1 18.9 25.2 29.1 31.2 33.2 34.7 36.5 39.3 39.9 40.2 39.9 36.2 30.8 28.4 27.1 26.3 25.9 26.2
WIND SPEED mph 1.7 0.7 2 1.8 2.1 2.3 1.4 1.7 1.3 0.9 3 1.4 2.9 2.6 3.9 4.4 5.7 6.4 6.7 4.7 4 3.7 3.5 4.6
WIND DIRECTION Degrees 310 323 307 329 324 319 326 356 81 196 256 160 276 217 180 201 185 162 158 169 170 180 185 183
PM2.5 ug/m3
PM10 ug/m3 (25C)
PM COARSE (10-2.5) ug/m3