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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 06:00 to 7/24/2025 18:00 for these counties: Ashland,Barron,Bayfield,Burnett,Chippewa,Douglas,Dunn,Iron,Pepin,Pierce,Polk,Price,Rusk,Sawyer,St. Croix,Vilas,Washburn .

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 16 16 15 15 15 15 15 14 13 13 12 14 19 22 23 24 27 31 31 32 31 31 30 30
WIND SPEED mph
WIND DIRECTION Degrees
TEMPERATURE degF
RELATIVE HUMIDITY %RH
BAROMETRIC PRESSURE inHg
PRECIPITATION inches
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

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
WIND SPEED mph
WIND DIRECTION Degrees
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 10 10 10 10 9 8 7 5 8 10 13 15 14 15 16 15 14 13 12 12 11 10 9 10
CO ppm 0.256 0.253 0.253 0.2 0.259 0.266 0.276 0.276 0.273 0.235 0.217 0.215 0.211 0.205 0.196 0.19 0.194 0.192 0.194 0.194 0.195 0.201 0.193
SO2 ppb 0.162 0.196 0.229 0.247 0.243 0.375 0.511 0.753 1.09 1.469 1.568 1.364 1.144 0.886 0.631 0.397 0.305 0.284 0.25 0.158 0.149 0.2 0.231
NO ppb 0.034 0.03 0.059 0.054 0.089 0.67 2.232 4.224 5.296 2.204 1.829 1.718 1.551 1.17 0.465 0.069 0.014 0.016 0.006 0.018 0.019 0.009 0.006
NOy-NO ppb 15.018 14.4 12.266 13.536 13.928 15.978 17.153 13.892 14.134 9.91 7.883 8.988 8.373 7.786 7.781 8.475 8.082 7.498 8.77 9.091 8.16 8.174 6.085
NOy ppb 15.04 14.429 12.283 13.498 13.958 16.631 19.362 18.073 19.403 12.101 9.672 10.665 9.976 8.943 8.257 8.535 8.101 7.51 8.754 9.067 8.129 8.184 6.115
PM10 ug/m3 (25C) 22 21 20 26 19 25 26 24 24 22 11 22 17 17 19 15 18 27 22 18 16 14
PM COARSE (10-2.5) ug/m3 4 5 -3 5 4 6 7 6 2 5 -10 4 -2 1 1 -1 -3 4 -4 -3 -2 -4
WIND SPEED mph
WIND DIRECTION Degrees
BAROMETRIC PRESSURE inHg
PRECIPITATION inches
TEMPERATURE degF
RELATIVE HUMIDITY %RH
PM2.5 ug/m3

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
WIND DIRECTION Degrees
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 19 16 14 14 13 12 11 10 10 10 10 11 11 10 10 11 11 10 16 20 21 23 24 27
WIND SPEED mph
WIND DIRECTION Degrees
RELATIVE HUMIDITY %RH
TEMPERATURE degF
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

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
WIND SPEED mph
WIND DIRECTION Degrees
PRECIPITATION inches
SOLAR RADIATION w/m2
PM2.5 ug/m3

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

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

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 5.2 3.5 0.9 0.1 0.2 0.2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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

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
WIND SPEED mph
WIND DIRECTION Degrees
PM2.5 ug/m3

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) 12 10 14 17 15 17 13 15 19 17 16 17 13 17 15 16 17 16 8 11 16 17 14 8
PM COARSE (10-2.5) ug/m3 -1 -1 3 3 1 4 -4 1 3 4 -1 2 -6 1 1 5 6 6 0 -1 -1 1 3 0
WIND SPEED mph
WIND DIRECTION Degrees
TEMPERATURE degF
PM2.5 ug/m3

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
WIND SPEED mph
WIND DIRECTION Degrees
PM2.5 ug/m3
PM10 ug/m3 (25C)
PM COARSE (10-2.5) ug/m3