Last updated Oct 22, 2025 15:47 CDT

PM2.5 data

Concentrations in units of ug/m\(^3\). Hours are the monitoring start hour.

Site Name Parameter 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Daily Average Rolling 24-hr Avg NowCast AQI
Aberdeen PM25 5.6 4.2 2.9 4.9 3.2 2.7 2.9 1.7 0.5 0.3 1.5 1.7 1 -0.8 -1.3 :: 2.1 3.1 1
Apple Valley PM25 0.9 0.8 1 1.6 1.1 1.7 . 1.9 2.5 1.9 2.8 . . 4.2 3.1 :: 2 1.5 13
Blaine PM25 0.2 0.2 0.2 0.1 0.2 0.1 . 0.2 0.2 0.1 0.2 0.2 0.3 . . :: 0.2 0.2 1
Brainerd PM25 0.5 0.5 0.4 0.4 0.5 0.4 . 0.4 0.6 0.6 0.6 0.6 0.7 0.9 0.9 :: 0.6 0.5 3
Detroit Lakes PM25 1.5 2.4 2.1 3.4 3.6 3.4 . 2 2.4 2.7 2.6 2.6 3.1 3.5 3.5 :: 2.8 2.1 13
Duluth-WDSE PM25 0.4 0.4 0.4 0.3 0.4 0.3 . 0.4 0.4 0.4 0.4 0.5 0.7 0.7 0.7 :: 0.5 0.5 2
Ely PM25 0.3 0.3 0.2 0.2 0.2 0.2 . 0.3 0.2 0.3 0.2 0.2 0.2 0.1 0.2 :: 0.2 0.5 0
Emmetsburg, ILCC PM25 3 1 0 2 4 2 . 1 2 3 1 1 1 -2 1 :: 1.4 1.4 3
Fargo NW PM25 2 2 2 2 3 2 2 2 4 3 2 2 2 2 3 :: 2.3 1.5 10
Fond du Lac PM25 0.2 0.2 0.3 0.3 0.2 0.3 . 0.2 . . 0.2 0.2 0.2 0.3 0.3 :: 0.2 0.2 1
Grand Portage PM25 0.4 0.4 0.5 0.4 0.4 0.3 . 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 :: 0.3 0.7 1
LACROSSE DOT PM25 . . . . . . . . . . . . . . . :: NaN . .
Lakeville - Near Roa PM25 0.8 0.6 0.7 0.8 0.8 1.7 . 2.1 1 1.6 2.9 2.4 4 3.1 2.2 :: 1.8 1.4 11
Leech Lake Nation: C PM25 0.9 0.9 0.9 0.6 0.8 1.2 . 0.6 0.5 0.7 0.6 0.7 0.8 1.1 1.2 :: 0.8 0.7 4
Marshall PM25 2.1 2.1 2 1.8 1.5 1.7 . 2.3 2.4 2.5 2.8 3 2.8 2 2.7 :: 2.3 1.9 10
Minneapolis - Anders PM25 0.9 . . 0.7 0.7 0.6 . 1 1.2 1 0.8 . . 1.8 . :: 1 1.4 5
Minneapolis - Near R PM25 1 0.8 0.8 0.7 0.9 0.9 . 1.6 2.1 1.5 2 1.7 2 . . :: 1.3 1.6 8
Minneapolis - Pacifi PM25 1.3 1.3 1.3 1.1 1.2 0.9 . 1.3 1.6 1.1 1.6 1.5 1.7 2.2 2.4 :: 1.5 1.5 9
Red Lake Nation Hosp PM25 0.5 0.5 0.6 0.5 0.5 0.6 . 0.6 0.6 0.7 0.7 0.6 0.8 0.8 0.8 :: 0.6 0.6 3
Rochester PM25 0.9 1 0.9 0.7 0.8 0.9 . 1.4 1.7 1.6 1.5 2.2 2.8 2.7 2.8 :: 1.6 1.4 11
SF-USD PM25 2.9 3 4.9 5.1 3.5 4.7 4.3 3.3 3.5 4.6 6.7 4.7 1.4 1 4.6 :: 3.9 3.9 14
Shakopee PM25 0.8 0.6 0.6 0.6 0.6 0.6 . 0.8 0.8 1 1.9 3 1.6 1.6 1.5 :: 1.1 1.1 7
Sioux Falls PM25 . . . . . . . . . . . . . . . :: NaN . .
St. Cloud PM25 0.8 0.7 0.8 0.6 0.6 0.6 . 0.6 0.9 0.8 0.8 1.1 1.2 1.3 1.3 :: 0.9 0.9 5
St. Michael PM25 0.7 0.6 0.7 0.7 0.6 0.6 . 0.6 0.7 0.9 0.7 0.7 0.9 2.3 2.4 :: 0.9 0.9 8
St. Paul-Harding H.S PM25 0.9 0.9 0.6 0.6 0.6 0.6 . 0.6 0.6 0.6 . . . 1.4 1.6 :: 0.8 1 6
Virginia PM25 0.2 0.2 0.1 0.2 0.1 0.1 . 0.4 0.4 0.9 0.5 0.7 0.5 0.5 0.6 :: 0.4 0.3 2
West Duluth PM25 0.4 0.4 0.3 0.3 0.4 0.3 . 0.5 0.4 0.4 0.5 0.6 0.6 0.8 0.7 :: 0.5 0.5 2
Notes

The Rolling 24-hr Average is the most recent rolling 24-hr average in \(ug/m^3\).
The NowCast AQI is the most recent hour’s NowCast value in AQI units.


Ozone data

Concentrations are in units of ppb. Hours are the monitoring start hour.

Site Name Parameter 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Daily Max 8-hr Avg NowCast AQI
Blaine OZONE 22 21 22 21 20 20 . 17 16 16 16 17 17 17 20 :: 22 16
Brainerd OZONE 25 25 23 23 22 20 . 20 20 20 23 23 24 25 24 :: 25 21
Detroit Lakes OZONE 16 14 13 12 12 13 . 15 14 16 19 20 20 21 22 :: 20 19
Duluth-WDSE OZONE 10 11 11 12 12 11 . 11 10 10 12 14 14 14 16 :: 14 13
East Bethel OZONE 21 21 22 22 21 21 . 18 17 17 17 17 18 19 21 :: 21 17
Ely OZONE 17 13 13 14 14 14 . 13 11 12 12 14 15 17 17 :: 22 14
Emmetsburg, ILCC OZONE 16 . 16 14 13 12 . 8 8 11 15 20 26 31 33 :: 22 27
Fargo NW OZONE 10 10 9 9 7 8 8 7 4 10 16 16 17 19 21 :: 17 18
Fond du Lac OZONE 15 16 17 16 15 15 . 15 14 14 14 15 16 17 18 :: 15 15
Lacrosse DOT OZONE . . . . . . . . . . . . . . . :: . .
Marine on St. Croix OZONE 20 20 20 20 21 20 . 19 18 17 16 17 17 17 17 :: 20 16
Marshall OZONE 15 13 13 11 10 11 . 9 9 14 16 20 24 29 32 :: 20 26
Mille Lacs OZONE 22 23 22 21 21 20 . 18 17 17 18 19 21 22 23 :: 22 19
Minneapolis - Near R OZONE 21 20 19 20 17 15 . 9 8 11 9 10 12 13 13 :: 20 11
Rochester OZONE 22 22 22 23 23 22 . 20 14 16 17 18 19 19 19 :: 24 17
SF-USD OZONE 16 16 15 15 15 8 9 3 3 12 18 26 32 33 33 :: 22 29
Shakopee OZONE 24 25 25 24 25 24 . 22 22 21 20 20 21 23 25 :: 26 20
Sioux Falls OZONE . . . . . . . . . . . . . . . :: . .
St. Cloud OZONE 23 23 22 23 23 22 . 19 19 20 20 21 21 22 23 :: 25 19
St. Michael OZONE 25 24 23 22 23 23 . 20 18 20 21 22 23 24 25 :: 26 21
Stanton OZONE 23 24 25 25 26 25 . 23 20 21 20 20 21 20 22 :: 26 19
Voyageurs NP OZONE 13 12 12 11 11 11 11 12 12 12 13 14 16 16 18 :: 14 15
Notes

The Daily Max 8-hr Average is the highest rolling 8-hr average for the day in ppb.
The NowCast AQI is the most recent hour’s NowCast value in AQI units.



Missing parameters

State Site Name Parameter AqsID
IA Clinton, Rainbow Park PM25 190450021
IA Pisgah, Harrison County OZONE 190851101
IA KIRKWOOD OZONE 191130028
IA PUBLIC HEALTH 4 PM25 191138040
IA Davenport, Hayes School PM25 191630020
IA SLATER OZONE 191690011
IA Lake Ahquabi OZONE 191810022
ND Lostwood NWR PM10 380130004
ND Fargo NW PM10 380171004
ND Dunn Center OZONE 380250003
ND Dunn Center PM25 380250003
ND Dunn Center PM10 380250003
ND Hannover OZONE 380650002
ND Hannover PM25 380650002
ND Hannover PM10 380650002
ND Williston OZONE 381050003
ND Williston PM25 381050003
ND Williston PM10 381050003
SD Watertown PM25 460290002
SD Watertown PM10 460290002
SD Sioux Falls OZONE 460990008
SD Sioux Falls PM25 460990008
SD Sioux Falls PM10 460990008
SD Credit Union PM25 461030020
SD UC1 OZONE 461270001
SD UC1 PM25 461270001
SD UC1 PM10 461270001
WI GREEN BAY UW OZONE 550090026
WI COLUMBUS OZONE 550210015
WI MADISON EAST OZONE 550250041
WI NEWPORT OZONE 550290004
WI Eau Claire OZONE 550350014
WI FOND DU LAC OZONE 550390006
WI Jefferson-Laatsch OZONE 550550009
WI KEWAUNEE OZONE 550610002
WI LACROSSE DOT OZONE 550630012
WI LACROSSE DOT PM25 550630012
WI MANITOWOC OZONE 550710007
WI LAKE DUBAY OZONE 550730012
WI MILWAUKEE 16TH ST OZONE 550790010
WI MILWAUKEE SER DNR OZONE 550790026
WI MILWAUKEE SER DNR PM25 550790026
WI MILWAUKEE SER DNR PM10 550790026
WI Milwaukee College Ave PM25 550790058
WI BAYSIDE OZONE 550790085
WI APPLETON AAL OZONE 550870009
WI GRAFTON OZONE 550890008
WI HARRINGTON BCH OZONE 550890009
WI Racine-Payne and Dolan OZONE 551010020
WI Beloit-Converse OZONE 551050030
WI Devils Lake OZONE 551110007
WI SHEBOYGAN OZONE 551170006
WI Sheboygan-Haven OZONE 551170009
WI PERKINSTOWN PM25 551198001
WI TROUT LAKE OZONE 551250001
WI LAKE GENEVA OZONE 551270005
WI WAUKESHA - CLEVELAND AVE OZONE 551330027
CAN Experimental Lakes OZONE 64001
CAN winnipeg-scotia-st. PM25 70118
CAN Winnipeg_Ellens PM10 70119
CAN winnipeg-ellen-st. PM25 70119
CAN Brandon OZONE 70203
CAN Brandon PM25 70203
CAN Brandon PM10 70203