Monitored days with good air quality
74.7%
2025 · U.S. EPA AirData
Annual fires
≈ 8,000
Area in drought (D1–D4), yearly average
26.6%
2025 · U.S. Drought Monitor
Total withdrawals
≈ 10.5 B gal/day
Energy-related CO₂ emissions
147.8
2021 · U.S. EIA State Energy Data System
Average annual temperature
45.7
2025 · NOAA National Centers for Environmental Information
Air Quality
Pollution levels.
Monitored days with good air quality
74.7%
2025 · U.S. EPA AirData
Monitored days unhealthy for sensitive groups or worse
1.8%
2025 · U.S. EPA AirData
Average PM2.5
8.0 µg/m³
Ozone alerts
Detroit & Grand Rapids
Monitored days with good air quality
1990–202574.7%
U.S. EPA AirData, Annual AQI by County, all monitored Michigan counties.
Monitored days unhealthy for sensitive groups or worse
1990–20251.8%
U.S. EPA AirData, Annual AQI by County (AQI above 100).
| Indicator | Michigan | U.S. |
|---|---|---|
| Average PM2.5 (µg/m³) | 8.0 | 8.2 |
- •Southwest Detroit's 48217 ZIP code has long been one of the most industrially polluted areas in the state.
Wildfires
Fire activity.
Annual fires
≈ 8,000
Acres burned
≈ 10,000
Risk level
Low
| Indicator | Michigan | U.S. |
|---|---|---|
| Acres burned per year (thousands) | 10 | 7000 |
- •The 1871 and 1881 Thumb fires were among the deadliest wildfires in U.S. history.
Drought
Dry conditions.
Area in drought (D1–D4), yearly average
26.6%
2025 · U.S. Drought Monitor
Area in extreme or exceptional drought (D3–D4)
0.0%
2025 · U.S. Drought Monitor
Severe drought
Rare
Risk level
Low
Area in drought (D1–D4), yearly average
2000–202526.6%
U.S. Drought Monitor (NDMC / USDA / NOAA), average of weekly maps.
Area in extreme or exceptional drought (D3–D4)
2000–20250%
U.S. Drought Monitor (NDMC / USDA / NOAA), average of weekly maps.
| Indicator | Michigan | U.S. |
|---|---|---|
| Share of area in drought (%) | 8 | 26 |
- •Michigan sits beside 21% of the world's surface fresh water, making severe long-term drought unlikely.
Water Usage
Water withdrawals.
Total withdrawals
≈ 10.5 B gal/day
Main use
Thermoelectric power
Public supply
≈ 1.2 B gal/day
| Indicator | Michigan | U.S. |
|---|---|---|
| Water withdrawals per capita (gal/day) | 1040 | 1000 |
- •Nearly all of Michigan's water withdrawals return to the Great Lakes basin.
Emissions
Greenhouse gases.
Energy-related CO₂ emissions
147.8
2021 · U.S. EIA State Energy Data System
Transportation CO₂ emissions
47.5
2021 · U.S. EIA State Energy Data System
Rank
12th in the U.S.
Per capita
15.0 t
Energy-related CO₂ emissions
1970–2021147.8▼ 21%
U.S. EIA State Energy Data System, all sectors and fuels (FRED EMISSCO2TOTVTTTOMIA).
Transportation CO₂ emissions
1970–202147.5▲ 13%
U.S. EIA State Energy Data System, transportation sector (FRED EMISSCO2TOTVTCTOMIA).
| Indicator | Michigan | U.S. |
|---|---|---|
| CO2 emissions per capita (t) | 15.0 | 14.4 |
- •Michigan's emissions have fallen about 25% since 2005 as coal plants retired.
Climate Indicators
Temperature and rainfall.
Average annual temperature
45.7
2025 · NOAA National Centers for Environmental Information
Annual precipitation
32
2025 · NOAA National Centers for Environmental Information
Average temperature
7.8 °C
Warming since 1900
+0.9 °C
Average annual temperature
1895–202545.7▲ 10%
NOAA National Centers for Environmental Information, Climate at a Glance, statewide January–December average.
Annual precipitation
1895–202532.02▲ 29%
NOAA National Centers for Environmental Information, Climate at a Glance, statewide January–December total.
| Indicator | Michigan | U.S. |
|---|---|---|
| Annual precipitation (mm) | 830 | 767 |
- •Lake-effect snow gives western Michigan over 100 inches of snowfall in an average winter.