City report · Indiana, United States
Evansville Air quality today
Air quality in Evansville currently reads AQI 56 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 56
Moderate
- PM2.5, fine particles (µg/m³)
- 11.6
- tree cover
- 26.1%
- trees in this area
- 81.5K
- more trees needed
- 12.2K
Measured across a 1.2 mi (2 km) radius around Downtown, Evansville, IN, USA (4.9 sq mi), from a satellite image of Sep 13, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Evansville · AQI 56 (Moderate)
Evansville's tree count comes to 81,504 trees across 4.8 sq mi (12.49 km²) of land, 4 points below the 30% tree-cover level considered healthy for this area, so roughly 12,179 more trees would close the gap.
Air quality detail
Air quality in Evansville today: AQI 56, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 08:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Evansville-Oak Hill, 1.6 mi (2.6 km) away · median of 3 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
11.6
PM10
24.0
NO₂
25.8
O₃
—
SO₂
0.0
CO
343.7
Data: OpenAQ · AirNow
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Evansville's daily AQI at 27 on average, from 11 on Nov 5 to an hourly peak of 62 on Nov 8.
Where Evansville stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Evansville: Below target
26.1% tree cover against a 30% healthy-neighborhood target, across 4.8 sq mi (12.49 km²) of land.
Trees in this area
81,504
Target trees
93,683
More trees needed
12,179
CO₂ if planted / yr
267.9 t
Deforestation · 2001–2025
How much forest has Evansville lost?
Since 2001, the area within 10 km of Evansville has lost about 359 acres (145 hectares) of forest (about 270 football fields): 2.3% of the forest it had in 2000. Most of it (78%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from July 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 359 acres (145 ha)about 270 football fields
- Share of its forest
- 2.3%of what there was in 2000
- Cleared for good
- 278 acres (113 ha)deforestation: turned into farms, mines or towns
The worst year was 2013, when about 41 acres (17 hectares) of forest were lost.
Acres of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 7 acres (3 ha) | under 1 ha | 9 acres (4 ha) |
| 2002 | under 1 ha | under 1 ha | 4 acres (2 ha) |
| 2003 | 6 acres (2 ha) | under 1 ha | 7 acres (3 ha) |
| 2004 | 13 acres (5 ha) | under 1 ha | 14 acres (6 ha) |
| 2005 | 7 acres (3 ha) | under 1 ha | 9 acres (4 ha) |
| 2006 | 10 acres (4 ha) | 5 acres (2 ha) | 15 acres (6 ha) |
| 2007 | 15 acres (6 ha) | under 1 ha | 17 acres (7 ha) |
| 2008 | 30 acres (12 ha) | under 1 ha | 31 acres (13 ha) |
| 2009 | 12 acres (5 ha) | under 1 ha | 13 acres (5 ha) |
| 2010 | 30 acres (12 ha) | under 1 ha | 31 acres (12 ha) |
| 2011 | 5 acres (2 ha) | under 1 ha | 5 acres (2 ha) |
| 2012 | 7 acres (3 ha) | under 1 ha | 9 acres (4 ha) |
| 2013 | 35 acres (14 ha) | 6 acres (3 ha) | 41 acres (17 ha) |
| 2014 | under 1 ha | under 1 ha | 2 acres (1 ha) |
| 2015 | 5 acres (2 ha) | under 1 ha | 6 acres (3 ha) |
| 2016 | 7 acres (3 ha) | 6 acres (3 ha) | 13 acres (5 ha) |
| 2017 | 10 acres (4 ha) | 3 acres (1 ha) | 14 acres (6 ha) |
| 2018 | 6 acres (3 ha) | under 1 ha | 7 acres (3 ha) |
| 2019 | 14 acres (6 ha) | under 1 ha | 14 acres (6 ha) |
| 2020 | 10 acres (4 ha) | under 1 ha | 12 acres (5 ha) |
| 2021 | 3 acres (1 ha) | 30 acres (12 ha) | 33 acres (14 ha) |
| 2022 | 9 acres (4 ha) | under 1 ha | 10 acres (4 ha) |
| 2023 | 20 acres (8 ha) | under 1 ha | 20 acres (8 ha) |
| 2024 | 9 acres (4 ha) | 5 acres (2 ha) | 13 acres (5 ha) |
| 2025 | 4 acres (2 ha) | 5 acres (2 ha) | 10 acres (4 ha) |
What is causing deforestation around Evansville?
- Towns and roadscleared for good75% · 269 acres (109 ha)
- Loggingcan grow back13% · 48 acres (19 ha)
- Farms, pasture and plantationscleared for good2.4% · 9 acres (4 ha)
Also: unknown causes.
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
Forest gained and lost, 2000–2020
- Forest in 2000
- 23,400 acres (9,460 ha)
- Forest in 2020
- 25,500 acres (10,300 ha)
- Overall change
- +2,140 acres (868 ha)more forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Evansville grew from about 23,400 acres (9,460 hectares) to 25,500 acres (10,300 hectares), a net gain of about 2,140 acres (868 hectares) (+9.2%). New forest grew on about 2,380 acres (963 hectares), while 235 acres (95 hectares) were lost.
These 2000 and 2020 maps, from the University of Maryland, count any land with trees taller than 5 m as forest, including plantations and orchards. Forest that was cut or burned and had grown back by 2020 counts in both years, so the loss here is smaller than the yearly figures.
These figures cover everything within 10 km of the city center, a wider area than the report above, because forest is usually lost at a city's edges.
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. Forest gained and lost 2000–2020: Potapov et al. 2022, UMD GLAD Global Land Cover and Land Use Change, CC BY 4.0. Images: contains modified Copernicus Sentinel data. How it's measured
In the same region
Measured cities near Evansville
Same 2 km radius, same index — so they compare directly.
- Louisville160.2 km
United States
- Tree cover
- 11%
- Air quality
- 54
- Clarksville161.6 km
United States
- Tree cover
- 44%
- Air quality
- 7
- Nashville212.5 km
United States
- Tree cover
- 11%
- Air quality
- 33
- Indianapolis233.3 km
United States
- Tree cover
- 12%
- Air quality
- 114
- St. Louis241.7 km
United States
- Tree cover
- 7%
- Air quality
- 43
- Murfreesboro258.4 km
United States
- Tree cover
- 42%
- Air quality
- 28
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Frequently asked
Questions about Evansville
What is the air quality (AQI) in Evansville right now?
The latest reading for Evansville shows an AQI of 56 (Moderate), measured Nov 11, 08:00 local time by 3 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Evansville-Oak Hill, 1.6 mi (2.6 km) away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Evansville today?
At AQI 56 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Evansville been like this week?
Over the last 7 days, the CAMS air-quality model put Evansville's daily AQI at 27 on average, from 11 on Nov 5 to an hourly peak of 62 on Nov 8. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Evansville lost since 2001?
Since 2001, the area within 10 km of Evansville has lost about 359 acres (145 hectares) of forest (about 270 football fields): 2.3% of the forest it had in 2000. Most of it (78%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Evansville grew from about 23,400 acres (9,460 hectares) to 25,500 acres (10,300 hectares), a net gain of about 2,140 acres (868 hectares) (+9.2%). New forest grew on about 2,380 acres (963 hectares), while 235 acres (95 hectares) were lost.
What is the tree count in Evansville?
Evansville has an estimated 81,504 trees across the 4.8 sq mi (12.49 km²) of land measured — 26.1% tree cover, 4 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Evansville need?
Evansville needs roughly 12,179 more trees to close a 4-point shortfall against its 30% tree-cover target — about 267.9 t of extra CO₂ absorbed per year once grown.
How are Evansville's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Downtown, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 1.2 mi (2 km) radius around Downtown; the tree count is an estimate derived from that cover.
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