City report · Victoria, Australia
Geelong Air quality today
Air quality in Geelong currently reads AQI 17 (Good): Air quality is satisfactory for everyone.
AQI 17
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 3.1
- tree cover
- 13.3%
- trees in this area
- 31.0K
- more trees needed
- 39.0K
Measured across a 2 km radius around Geelong VIC 3220, Australia (12.57 km²), from a satellite image of Mar 10, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Geelong · AQI 17 (Good)
Geelong's tree count comes to 31,045 trees across 9.34 km² of land, 17 points below the 30% tree-cover level considered healthy for this area, so roughly 38,981 more trees would close the gap.
Air quality detail
Air quality in Geelong today: AQI 17, Good
Main pollutant: PM2.5 · Observed Nov 12, 02:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · GeelongSth., 3.1 km away
Health signal
Air quality is satisfactory for everyone.
PM2.5
3.1
PM10
13.0
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Environment Protection Authority | EPA Victoria
- 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 Geelong's daily AQI at 30 on average, from 22 on Nov 7 to an hourly peak of 50 on Nov 5.
Where Geelong stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Geelong: Critically low
13.3% tree cover against a 30% healthy-neighborhood target, across 9.34 km² of land.
Trees in this area
31,045
Target trees
70,026
More trees needed
38,981
CO₂ if planted / yr
857.6 t
Deforestation · 2001–2025
How much forest has Geelong lost?
Since 2001, the area within 10 km of Geelong has lost about 17 hectares of forest (about 24 football pitches): 2.9% of the forest it had in 2000. The biggest cause was towns and roads (47%). About 8 hectares (48%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from February 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 17 haabout 24 football pitches
- Share of its forest
- 2.9%of what there was in 2000
- Cleared for good
- 8 hadeforestation: turned into farms, mines or towns
The worst year was 2003, when about 3 hectares of forest were lost.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | under 1 ha | under 1 ha | 1 ha |
| 2002 | 1 ha | under 1 ha | 2 ha |
| 2003 | 1 ha | 1 ha | 3 ha |
| 2004 | under 1 ha | under 1 ha | 1 ha |
| 2005 | under 1 ha | 1 ha | 2 ha |
| 2006 | under 1 ha | 1 ha | 2 ha |
| 2007 | under 1 ha | 1 ha | 2 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 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 | 1 ha | under 1 ha | 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 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 Geelong?
- Towns and roadscleared for good47% · 8 ha
- Storms, floods and other natural causescan grow back27% · 5 ha
- Unknown causescause unknown26% · 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
- 98 ha
- Forest in 2020
- 191 ha
- Overall change
- +93 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Geelong grew from about 98 hectares to 191 hectares, a net gain of about 93 hectares. New forest grew on about 93 hectares, while under 1 hectare was 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
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Frequently asked
Questions about Geelong
What is the air quality (AQI) in Geelong right now?
The latest reading for Geelong shows an AQI of 17 (Good), measured Nov 12, 02:00 local time by the GeelongSth. ground monitoring station, 3.1 km away, via OpenAQ. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Geelong today?
At AQI 17 (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 Geelong been like this week?
Over the last 7 days, the CAMS air-quality model put Geelong's daily AQI at 30 on average, from 22 on Nov 7 to an hourly peak of 50 on Nov 5. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Geelong lost since 2001?
Since 2001, the area within 10 km of Geelong has lost about 17 hectares of forest (about 24 football pitches): 2.9% of the forest it had in 2000. The biggest cause was towns and roads (47%). About 8 hectares (48%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Geelong grew from about 98 hectares to 191 hectares, a net gain of about 93 hectares. New forest grew on about 93 hectares, while under 1 hectare was lost.
What is the tree count in Geelong?
Geelong has an estimated 31,045 trees across the 9.34 km² of land measured — 13.3% tree cover, 17 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Geelong need?
Geelong needs roughly 38,981 more trees to close a 17-point shortfall against its 30% tree-cover target — about 857.6 t of extra CO₂ absorbed per year once grown.
How are Geelong's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Geelong VIC 3220, 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 2 km radius around Geelong VIC 3220; the tree count is an estimate derived from that cover.
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