City report · California, United States
Roseville Air quality today
Air quality in Roseville currently reads AQI 52 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 52
Moderate
- PM2.5, fine particles (µg/m³)
- 9.8
- tree cover
- 22.8%
- trees in this area
- 71.6K
- more trees needed
- 22.6K
Measured across a 1.2 mi (2 km) radius around Los Cerritos, Roseville, CA 95678, 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.
Roseville · AQI 52 (Moderate)
Roseville's tree count comes to 71,628 trees across 4.9 sq mi (12.57 km²), 7 points below the 30% tree-cover level considered healthy for this area, so roughly 22,619 more trees would close the gap.
Air quality detail
Air quality in Roseville today: AQI 52, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 07:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Dry Creek, 4.0 mi (6.5 km) away · median of 3 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
9.8
PM10
15.0
NO₂
42.0
O₃
2.0
SO₂
—
CO
—
Data: OpenAQ · AirGradient, AirNow, Clarity, mxr662
- 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 Roseville's daily AQI at 52 on average, from 42 on Nov 4 to an hourly peak of 79 on Nov 6.
Where Roseville stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Roseville: Below target
22.8% tree cover against a 30% healthy-neighborhood target, across 4.9 sq mi (12.57 km²).
Trees in this area
71,628
Target trees
94,247
More trees needed
22,619
CO₂ if planted / yr
497.6 t
Deforestation · 2001–2025
How much forest has Roseville lost?
Since 2001, the area within 10 km of Roseville has lost about 128 acres (52 hectares) of forest (about 97 football fields): 10% of the forest it had in 2000. Most of it (90%) 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
- 128 acres (52 ha)about 97 football fields
- Share of its forest
- 10%of what there was in 2000
- Cleared for good
- 115 acres (47 ha)deforestation: turned into farms, mines or towns
The worst year was 2006, when about 23 acres (9 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 | 4 acres (2 ha) | under 1 ha | 4 acres (2 ha) |
| 2002 | 21 acres (8 ha) | under 1 ha | 21 acres (8 ha) |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | 5 acres (2 ha) | under 1 ha | 6 acres (2 ha) |
| 2005 | 10 acres (4 ha) | 4 acres (2 ha) | 14 acres (6 ha) |
| 2006 | 22 acres (9 ha) | under 1 ha | 23 acres (9 ha) |
| 2007 | 6 acres (2 ha) | 2 acres (1 ha) | 8 acres (3 ha) |
| 2008 | 7 acres (3 ha) | under 1 ha | 8 acres (3 ha) |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | 2 acres (1 ha) |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | 2 acres (1 ha) | under 1 ha | 2 acres (1 ha) |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | 5 acres (2 ha) | under 1 ha | 6 acres (2 ha) |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | 14 acres (6 ha) | under 1 ha | 15 acres (6 ha) |
| 2022 | 7 acres (3 ha) | under 1 ha | 7 acres (3 ha) |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Roseville?
- Towns and roadscleared for good87% · 111 acres (45 ha)
- Farms, pasture and plantationscleared for good3.1% · 4 acres (2 ha)
- Unknown causescause unknown10% · 13 acres (5 ha)
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
- 13,800 acres (5,580 ha)
- Forest in 2020
- 15,600 acres (6,300 ha)
- Overall change
- +1,790 acres (724 ha)more forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Roseville grew from about 13,800 acres (5,580 hectares) to 15,600 acres (6,300 hectares), a net gain of about 1,790 acres (724 hectares) (+13%). New forest grew on about 1,900 acres (770 hectares), while 115 acres (47 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 Roseville
Same 2 km radius, same index — so they compare directly.
- Sacramento26.1 km
United States
- Tree cover
- 26%
- Air quality
- 63
- Elk Grove38.9 km
United States
- Tree cover
- 21%
- Air quality
- 52
- Fairfield86.1 km
United States
- Tree cover
- 11%
- Air quality
- 8
- Stockton88.3 km
United States
- Tree cover
- 16%
- Air quality
- 60
- Antioch94.6 km
United States
- Tree cover
- 14%
- Air quality
- 8
- Concord107.7 km
United States
- Tree cover
- 22%
- Air quality
- 8
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Frequently asked
Questions about Roseville
What is the air quality (AQI) in Roseville right now?
The latest reading for Roseville shows an AQI of 52 (Moderate), measured Nov 11, 07:00 local time by 3 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Dry Creek, 4.0 mi (6.5 km) away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Roseville today?
At AQI 52 (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 Roseville been like this week?
Over the last 7 days, the CAMS air-quality model put Roseville's daily AQI at 52 on average, from 42 on Nov 4 to an hourly peak of 79 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 Roseville lost since 2001?
Since 2001, the area within 10 km of Roseville has lost about 128 acres (52 hectares) of forest (about 97 football fields): 10% of the forest it had in 2000. Most of it (90%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Roseville grew from about 13,800 acres (5,580 hectares) to 15,600 acres (6,300 hectares), a net gain of about 1,790 acres (724 hectares) (+13%). New forest grew on about 1,900 acres (770 hectares), while 115 acres (47 hectares) were lost.
What is the tree count in Roseville?
Roseville has an estimated 71,628 trees across the 4.9 sq mi (12.57 km²) measured — 22.8% tree cover, 7 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Roseville need?
Roseville needs roughly 22,619 more trees to close a 7-point shortfall against its 30% tree-cover target — about 497.6 t of extra CO₂ absorbed per year once grown.
How are Roseville's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Los Cerritos, 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 Los Cerritos; the tree count is an estimate derived from that cover.
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