United States · Michigan · 7 places
Air quality in Michigan today The AQI right now, city by city
Right now, Ann Arbor has the cleanest air of the 6 Michigan cities we track (AQI 43, Good), and Detroit the worst (AQI 91, Moderate). Ann Arbor has the most tree cover, at 55.2% — #9 of 278 large US cities.
Every place is measured the same way, over the same 1.2 mi (2 km) around its center: the air quality right now, from ground stations where there are any, and its tree cover.
Average right now
AQI 61
Moderate
- places tracked
- 7
- average tree cover
- 28.7%
- US cities: 25.1%
- worst air now: Detroit
- 91
- cleanest air now: Ann Arbor
- 43
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
Michigan · average AQI 61
Air quality today across Michigan, city by city
| Detroit | 91Moderate | 11.0% | 45.7K | #225 of 278 |
|---|---|---|---|---|
| Grand Rapids | 72Moderate | 30.2% | — | #95 of 278 |
| Warren | 58Moderate | 25.0% | 15.6K | #138 of 278 |
| Sterling Heights | 51Moderate | 17.9% | 38.0K | #174 of 278 |
| Ann Arbor | 43Good | 55.2% | — | #9 of 278 |
| Lansing | 53Moderate | 32.8% | — | #76 of 278 |
| Clinton Township | 51Moderate | 43.1% | — | — |
Air quality is the US AQI from ground monitoring stations via OpenAQ where available, otherwise the Open-Meteo / CAMS model, refreshed hourly. Tree cover is measured within 1.2 mi (2 km) of each city center from Sentinel-2 imagery. The US greenness rank covers cities of 100,000+ people; see the full ranking.
Deforestation · 2001–2025
How much forest has Michigan lost?
Since 2001, Michigan has lost about 1.81 million acres (731,000 hectares) of forest (about 7,300 km²): 8.4% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 117,000 acres (47,500 hectares) (6.5%) was deforestation: forest cleared for good for farms, mines or towns.
- Forest lost since 2001
- 1.81 million acres (731,000 ha)about 7,300 km²
- Share of its forest
- 8.4%of what there was in 2000
- Cleared for good
- 117,000 acres (47,500 ha)deforestation: turned into farms, mines or towns
Acres of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 3,390 acres (1,370 ha) | 49,200 acres (19,900 ha) | 52,600 acres (21,300 ha) |
| 2002 | 3,420 acres (1,390 ha) | 43,900 acres (17,800 ha) | 47,300 acres (19,100 ha) |
| 2003 | 2,850 acres (1,150 ha) | 29,400 acres (11,900 ha) | 32,300 acres (13,100 ha) |
| 2004 | 5,390 acres (2,180 ha) | 64,700 acres (26,200 ha) | 70,100 acres (28,400 ha) |
| 2005 | 4,810 acres (1,950 ha) | 57,800 acres (23,400 ha) | 62,600 acres (25,300 ha) |
| 2006 | 4,460 acres (1,810 ha) | 60,200 acres (24,400 ha) | 64,700 acres (26,200 ha) |
| 2007 | 4,860 acres (1,970 ha) | 62,000 acres (25,100 ha) | 66,900 acres (27,100 ha) |
| 2008 | 4,490 acres (1,820 ha) | 72,700 acres (29,400 ha) | 77,100 acres (31,200 ha) |
| 2009 | 3,720 acres (1,510 ha) | 68,700 acres (27,800 ha) | 72,400 acres (29,300 ha) |
| 2010 | 3,730 acres (1,510 ha) | 60,600 acres (24,500 ha) | 64,400 acres (26,000 ha) |
| 2011 | 3,100 acres (1,260 ha) | 44,000 acres (17,800 ha) | 47,100 acres (19,100 ha) |
| 2012 | 5,570 acres (2,250 ha) | 80,600 acres (32,600 ha) | 86,100 acres (34,900 ha) |
| 2013 | 3,710 acres (1,500 ha) | 56,600 acres (22,900 ha) | 60,300 acres (24,400 ha) |
| 2014 | 3,590 acres (1,450 ha) | 65,000 acres (26,300 ha) | 68,600 acres (27,800 ha) |
| 2015 | 3,580 acres (1,450 ha) | 66,000 acres (26,700 ha) | 69,500 acres (28,100 ha) |
| 2016 | 5,720 acres (2,320 ha) | 73,800 acres (29,900 ha) | 79,500 acres (32,200 ha) |
| 2017 | 6,890 acres (2,790 ha) | 81,100 acres (32,800 ha) | 88,000 acres (35,600 ha) |
| 2018 | 6,790 acres (2,750 ha) | 83,600 acres (33,800 ha) | 90,400 acres (36,600 ha) |
| 2019 | 6,200 acres (2,510 ha) | 88,500 acres (35,800 ha) | 94,700 acres (38,300 ha) |
| 2020 | 5,650 acres (2,290 ha) | 86,400 acres (35,000 ha) | 92,000 acres (37,300 ha) |
| 2021 | 5,430 acres (2,200 ha) | 84,500 acres (34,200 ha) | 90,000 acres (36,400 ha) |
| 2022 | 5,090 acres (2,060 ha) | 84,100 acres (34,000 ha) | 89,200 acres (36,100 ha) |
| 2023 | 3,980 acres (1,610 ha) | 69,800 acres (28,200 ha) | 73,700 acres (29,800 ha) |
| 2024 | 4,750 acres (1,920 ha) | 68,200 acres (27,600 ha) | 72,900 acres (29,500 ha) |
| 2025 | 6,320 acres (2,560 ha) | 86,400 acres (35,000 ha) | 92,700 acres (37,500 ha) |
Forest loss has stayed about the same: about 83,700 acres (33,900 hectares) a year in 2021–2025, against 88,900 acres (36,000 hectares) a year in 2016–2020. The worst year was 2019, when about 94,700 acres (38,300 hectares) of forest were lost.
What is causing deforestation in Michigan?
- Loggingcan grow back90% · 1.62 million acres (656,000 ha)
- Farms, pasture and plantationscleared for good3.1% · 56,800 acres (23,000 ha)
- Towns and roadscleared for good2.6% · 47,300 acres (19,100 ha)
Also: wildfires, mining and energy, storms, floods and other natural causes, unknown causes.
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
Source: Hansen/UMD/Google/USGS/NASA, Global Forest Change (GFC-2025-v1.13); causes: WRI/Google DeepMind drivers of forest loss; both CC BY 4.0, summed by Airleaf for each area. How it's measured
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