Air Quality Alert
MIZ063-068>070-075-076-083-050415-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Monroe-
Including the cities of Port Huron, Howell, Pontiac, Warren,
Ann Arbor, Detroit, and Monroe
238 PM EDT Thu Jul 3 2025
...Air Quality Advisory in effect for Friday July 4th...
The Michigan Department of Environment, Great Lakes, and Energy has
declared an Air Quality Alert for Friday July 4th for elevated
levels of fine particulate (PM2.5) due to residual wildfire smoke
and firework displays. Air Quality Index (AQI) levels are expected to
be in the Unhealthy for Sensitive Groups (AQI Orange) Range.
The advisory is in effect for the following Michigan counties...
St. Clair...Livingston...Oakland...Macomb...Washtenaw...Wayne and
Monroe.
It is recommended that, when possible, you avoid strenuous outdoor
activities, especially those with heart disease and respiratory
diseases like asthma. Monitor for symptoms such as wheezing,
coughing, chest tightness, dizziness, or burning in nose, throat,
and eyes. Reduce or eliminate activities that contribute to air
pollution, such as: outdoor burning, use of residential wood
burning devices.
Tips for households: Keep windows closed overnight to prevent
smoke from getting indoors and, if possible, run central air
conditioning with MERV-13 or higher rated filters.
For further information, please see EPAs Air Now site for
up-to-date air quality data: https://www.airnow.gov/
For further health information, please see MDHHS Wildfire Smoke
and Your Health site:
https://www.michigan.gov/mdhhs/safety-injury-prev/environmental-health/
your-health-and-wildfire-smoke
$$
AM
MIZ050-056-057-064-071-050400-
Muskegon-Ottawa-Kent-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison,
Grand Rapids, Holland, and South Haven
1129 AM EDT Thu Jul 3 2025
...Air Quality Advisory for July 4, 2025...
The Michigan Department of Environment, Great Lakes, and
Energy (EGLE) has declared an Air Quality Advisory for July 4, 2025,
for elevated levels of ozone along the Lake Michigan shoreline.
Pollutants within those areas are expected to be in the Unhealthy for
Sensitive Groups (USG, Orange AQI) range.
The Air Quality Advisory is in effect for the following Michigan
counties:
Allegan, Berrien, Kent, Muskegon, Ottawa, Van Buren
Ample sunshine, surface temperatures in the 80s and favorable winds
will create a conducive environment for Ozone development along the
Lake Michigan shoreline on July 4th.
It is recommended that, when possible, you avoid strenuous outdoor
activities, especially those with respiratory diseases such as
asthma. People and businesses are urged to avoid activities which can
lead to ozone formation.
These activities include:
refueling vehicles or topping off when refueling;
using gasoline powered lawn equipment;
using charcoal lighter fluid.
Positive activities include:
driving less;
telecommuting;
walking or bike riding;
delaying or combining errands;
using water-based paints.
For up-to-date air quality data for Michigan visit the MiAir site:
https://air-egle.hub.arcgis.com/
For up-to-date air quality data nationally visit EPAs Air Now site:
https://www.airnow.gov/
$$
Thomas
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Northern Indiana
445 AM EDT Fri Jul 4 2025
INZ005>009-012>015-017-018-020-022>027-032>034-103-104-116-203-204-
216-MIZ078>081-177-277-OHZ001-002-004-005-015-016-024-025-050845-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-Northern La Porte-
Eastern St. Joseph IN-Northern Kosciusko-Southern La Porte-
Western St. Joseph IN-Southern Kosciusko-Cass MI-St. Joseph MI-
Branch-Hillsdale-Northern Berrien-Southern Berrien-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
445 AM EDT Fri Jul 4 2025 /345 AM CDT Fri Jul 4 2025/
This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.
.DAY ONE...Today and tonight.
Thunderstorms are possible today and this evening. The storms may be
accompanied by wind gusts to 40 mph and locally heavy rainfall.
Afternoon heat indices are forecast to reach the low to mid 90s.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
There are periodic chances for thunderstorms Sunday through
Thursday. The storms may be accompanied by wind gusts to 40 mph and
locally heavy rainfall.
Afternoon heat indices are expected to reach the low to mid 90s
Saturday and Sunday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
416 AM EDT Fri Jul 4 2025
MIZ037>040-043>046-050>052-056>059-064>067-071>074-050830-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
416 AM EDT Fri Jul 4 2025
This hazardous weather outlook is for portions of southwest Lower
Michigan.
.DAY ONE...Today and Tonight
Scattered thunderstorms are possible during the day today. Severe
weather is not expected but lightning is a threat to those
outdoors during any thunderstorm.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
Hot and humid conditions are likely on Saturday, with temperatures
climbing into the lower 90s and the heat index reaching the mid
90s.
Scattered thunderstorms are possible on Sunday.
Waves and currents on Lake Michigan will pose a moderate to high
swim risk at some beaches Saturday and Sunday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
410 AM EDT Fri Jul 4 2025
LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-050815-
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM
off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw
Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
410 AM EDT Fri Jul 4 2025
This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.
.DAY ONE...Today and Tonight
There is a chance (20 to 30%) for thunderstorms this afternoon and
evening, mainly for western Lake Erie. Pulse storms to multicell
clusters are expected with storm motion to the southeast at 15 kt.
Severe weather is not anticipated.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
There is a chance (40 to 50%) for thunderstorms Sunday afternoon and
evening as a cold front tracks across the area. Severe weather is
not likely at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated today and tonight.
$$
You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.
TF
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
410 AM EDT Fri Jul 4 2025
MIZ047>049-053>055-060>063-068>070-075-076-082-083-050815-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
410 AM EDT Fri Jul 4 2025
This hazardous weather outlook is for southeast Michigan.
.DAY ONE...Today and Tonight
There is a chance (30 to 40%) for thunderstorms this afternoon and
evening. Pulse storms to multicell clusters are expected with storm
motion to the southeast at 20 mph. Severe weather is not anticipated.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
There is a chance (40 to 50%) for thunderstorms Sunday afternoon and
evening as a cold front tracks across the area. Severe weather is
not likely at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated today and tonight.
$$
Hazardous Weather Outlook
National Weather Service Gaylord MI
339 AM EDT Fri Jul 4 2025
MIZ016>018-020>036-041-042-086>088-095>099-050745-
Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency-
Alpena-Benzie-Grand Traverse-Kalkaska-Crawford-Oscoda-Alcona-
Manistee-Wexford-Missaukee-Roscommon-Ogemaw-Iosco-Gladwin-Arenac-
Western Chippewa-Central Chippewa-Southeast Chippewa-
Western Mackinac-Eastern Mackinac-
Mackinac Island/Bois Blanc Island-
Beaver Island and surrounding islands-Charlevoix-
339 AM EDT Fri Jul 4 2025
This hazardous weather outlook is for Eastern Upper Michigan and
Northern Lower Michigan.
.DAY ONE...Today and tonight.
An isolated thunderstorm is possible this afternoon and evening,
especially over interior northern lower Michigan.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Additional thunderstorm chances arrive Saturday night and continue
into Sunday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated.
For more information visit http://weather.gov/gaylord.
$$
