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City report · Nevada, United States

Reno Air quality today

Air quality in Reno currently reads AQI 42 (Good): Air quality is satisfactory for everyone.

Air quality right now

AQI 42

Good

Main pollutant: PM2.5
PM2.5, fine particles (µg/m³)
7.5
tree cover
17.2%
trees in this area
54.0K
more trees needed
40.2K

Measured across a 1.2 mi (2 km) radius around Downtown, Reno, NV, USA (4.9 sq mi), from a satellite image of Sep 15, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.

Reno · AQI 42 (Good)

Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Sep 15, 2026

Reno's tree count comes to 54,035 trees across 4.9 sq mi (12.57 km²), 13 points below the 30% tree-cover level considered healthy for this area, so roughly 40,212 more trees would close the gap.

Air quality detail

Air quality in Reno today: AQI 42, Good

Main pollutant: PM2.5 · Observed Nov 11, 06:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.

Ground station · Reno4, 1.1 mi (1.8 km) away · median of 2 stations

Health signal

Air quality is satisfactory for everyone.

PM2.5

7.5

PM10

28.0

NO₂

—

O₃

12.8

SO₂

0.0

CO

114.6

Data: OpenAQ · AirNow

Outdoor exercise
A good day to be active outside
Windows
Open them to air the house
Mask
Not needed
Air purifier
Not needed

Over the last 7 days, the CAMS air-quality model put Reno's daily AQI at 42 on average, from 23 on Nov 4 to an hourly peak of 96 on Nov 6.

Last 7 days · model estimateavg 42 · peak 96
Nov 4: AQI 23 (peak 57)Nov 5: AQI 36 (peak 60)Nov 6: AQI 55 (peak 96)Nov 7: AQI 69 (peak 96)Nov 8: AQI 33 (peak 51)Nov 9: AQI 30 (peak 51)Nov 10: AQI 45 (peak 49)
Nov 4Nov 10

Where Reno stands: the most polluted cities in the world right now · the cleanest

Tree cover detail

Tree cover in Reno: Critically low

17.2% tree cover against a 30% healthy-neighborhood target, across 4.9 sq mi (12.57 km²).

13 points below target

Trees in this area

54,035

Target trees

94,247

More trees needed

40,212

CO₂ if planted / yr

884.7 t

Deforestation · 2001–2025

How much forest has Reno lost?

Since 2001, the area within 10 km of Reno has lost about 350 acres (142 hectares) of forest (about 260 football fields): 64% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. Almost none of it was deforestation, meaning forest cleared for good.

Satellite image of the area around Reno, June 2017

2017: satellite photo from June 2017 of a 5 × 5 km area in the city center.

Forest lost since 2001
350 acres (142 ha)about 260 football fields
Share of its forest
64%of what there was in 2000
Cleared for good
under 1 hadeforestation: turned into farms, mines or towns

The worst year was 2007, when about 329 acres (133 hectares) of forest were lost, mostly to wildfires.

Forest lost each year around Reno, 2001–2025

Acres of forest lost each year

Forest lost each year around Reno, 2001–2025. Use the left and right arrow keys to read each year.329

Show the figures as a table
Forest lost each year around Reno, 2001–2025
YearCleared for goodCan grow backTotal
2001under 1 ha6 acres (3 ha)6 acres (3 ha)
2002under 1 haunder 1 haunder 1 ha
2003under 1 haunder 1 haunder 1 ha
2004under 1 haunder 1 haunder 1 ha
2005under 1 haunder 1 haunder 1 ha
2006under 1 haunder 1 haunder 1 ha
2007under 1 ha329 acres (133 ha)329 acres (133 ha)
2008under 1 ha3 acres (1 ha)3 acres (1 ha)
2009under 1 haunder 1 haunder 1 ha
2010under 1 haunder 1 haunder 1 ha
2011under 1 haunder 1 haunder 1 ha
2012under 1 ha3 acres (1 ha)3 acres (1 ha)
2013under 1 haunder 1 haunder 1 ha
2014under 1 haunder 1 haunder 1 ha
2015under 1 haunder 1 haunder 1 ha
2016under 1 haunder 1 haunder 1 ha
2017under 1 haunder 1 haunder 1 ha
2018under 1 haunder 1 haunder 1 ha
2019under 1 haunder 1 haunder 1 ha
2020under 1 ha6 acres (2 ha)6 acres (2 ha)
2021under 1 haunder 1 haunder 1 ha
2022under 1 haunder 1 haunder 1 ha
2023under 1 haunder 1 haunder 1 ha
2024under 1 haunder 1 haunder 1 ha
2025under 1 haunder 1 haunder 1 ha

What is causing deforestation around Reno?

  • Wildfirescan grow back98% · 343 acres (139 ha)
  • Unknown causescause unknown1.2% · 4 acres (2 ha)

Also: towns and roads.

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
2,270 acres (920 ha)
Forest in 2020
2,340 acres (945 ha)
Overall change
+62 acres (25 ha)more forest than in 2000

Comparing satellite maps from 2000 and 2020, the forest around Reno grew from about 2,270 acres (920 hectares) to 2,340 acres (945 hectares), a net gain of about 62 acres (25 hectares) (+2.7%). New forest grew on about 284 acres (115 hectares), while 221 acres (90 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 Reno

Same 2 km radius, same index — so they compare directly.

  • Roseville

    United States

    153.7 km
    Tree cover
    23%
    Air quality
    52
  • Chico

    United States

    174.7 km
    Tree cover
    53%
    Air quality
    25
  • Sacramento

    United States

    179.4 km
    Tree cover
    26%
    Air quality
    63
  • Elk Grove

    United States

    183.5 km
    Tree cover
    21%
    Air quality
    52
  • Stockton

    United States

    216.7 km
    Tree cover
    16%
    Air quality
    60
  • Modesto

    United States

    234.0 km
    Tree cover
    26%
    Air quality
    77

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Reno air quality (AQI) and tree cover — measured by Airleaf
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Frequently asked

Questions about Reno

What is the air quality (AQI) in Reno right now?

The latest reading for Reno shows an AQI of 42 (Good), measured Nov 11, 06:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Reno4, 1.1 mi (1.8 km) away). The main pollutant is PM2.5. Air quality is satisfactory for everyone.

Is it safe to exercise outside in Reno today?

At AQI 42 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.

What has the air quality in Reno been like this week?

Over the last 7 days, the CAMS air-quality model put Reno's daily AQI at 42 on average, from 23 on Nov 4 to an hourly peak of 96 on Nov 6. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.

How much forest has the area around Reno lost since 2001?

Since 2001, the area within 10 km of Reno has lost about 350 acres (142 hectares) of forest (about 260 football fields): 64% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. Almost none of it was deforestation, meaning forest cleared for good. Comparing satellite maps from 2000 and 2020, the forest around Reno grew from about 2,270 acres (920 hectares) to 2,340 acres (945 hectares), a net gain of about 62 acres (25 hectares) (+2.7%). New forest grew on about 284 acres (115 hectares), while 221 acres (90 hectares) were lost.

What is the tree count in Reno?

Reno has an estimated 54,035 trees across the 4.9 sq mi (12.57 km²) measured — 17.2% tree cover, 13 percentage points short of the 30% tree-cover target set for this area.

How many more trees does Reno need?

Reno needs roughly 40,212 more trees to close a 13-point shortfall against its 30% tree-cover target — about 884.7 t of extra CO₂ absorbed per year once grown.

How are Reno'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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