City report · Emilia-Romagna, Italy
Piacenza Air quality today
Air quality in Piacenza currently reads AQI 96 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 96
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 34.8
- tree cover
- 20.0%
- trees in this area
- 60.0K
- more trees needed
- 30.0K
Measured across a 2 km radius around Centro Storico, Piacenza PC, Italy (12.57 km²), from a satellite image of Sep 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Piacenza · AQI 96 (Moderate)
Piacenza's tree count comes to 60,004 trees across 12 km² of land, 10 points below the 30% tree-cover level considered healthy for this area, so roughly 30,002 more trees would close the gap.
Air quality detail
Air quality in Piacenza today: AQI 96, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 00:00 local time via Open-Meteo / CAMS, corrected with 5 ground-station cities within 85 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 5 station cities within 85 km, e.g. Parma and Milan
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
34.8
PM10
44.1
NO₂
24.3
O₃
10.0
SO₂
1.8
CO
401.0
- 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 Piacenza's daily AQI at 89 on average, from 71 on Nov 5 to an hourly peak of 117 on Nov 9.
Where Piacenza stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Piacenza: Below target
20.0% tree cover against a 30% healthy-neighborhood target, across 12 km² of land.
Trees in this area
60,004
Target trees
90,006
More trees needed
30,002
CO₂ if planted / yr
660.0 t
Deforestation · 2001–2025
How much forest has Piacenza lost?
Since 2001, the area within 10 km of Piacenza has lost about 92 hectares of forest (about 130 football pitches): 31% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 4 hectares (3.9%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from July 2017 of a 5 × 5 km area about 7 km northeast of the city center.
- Forest lost since 2001
- 92 haabout 130 football pitches
- Share of its forest
- 31%of what there was in 2000
- Cleared for good
- 4 hadeforestation: turned into farms, mines or towns
The worst year was 2016, when about 21 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 | 1 ha | 1 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | 7 ha | 7 ha |
| 2004 | 1 ha | 3 ha | 4 ha |
| 2005 | under 1 ha | 3 ha | 3 ha |
| 2006 | under 1 ha | 1 ha | 1 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 | 2 ha | 2 ha |
| 2014 | under 1 ha | 10 ha | 10 ha |
| 2015 | under 1 ha | 8 ha | 8 ha |
| 2016 | under 1 ha | 21 ha | 21 ha |
| 2017 | under 1 ha | 2 ha | 2 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | 10 ha | 10 ha |
| 2020 | under 1 ha | 9 ha | 9 ha |
| 2021 | under 1 ha | 6 ha | 6 ha |
| 2022 | under 1 ha | 1 ha | 1 ha |
| 2023 | under 1 ha | 2 ha | 2 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 Piacenza?
- Loggingcan grow back94% · 86 ha
- Farms, pasture and plantationscleared for good3.7% · 3 ha
- Unknown causescause unknown1.2% · 1 ha
Also: storms, floods and other natural causes, 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
- 701 ha
- Forest in 2020
- 721 ha
- Overall change
- +20 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Piacenza grew from about 701 hectares to 721 hectares, a net gain of about 20 hectares (+2.9%). New forest grew on about 231 hectares, while 212 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
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Frequently asked
Questions about Piacenza
What is the air quality (AQI) in Piacenza right now?
The latest reading for Piacenza shows an AQI of 96 (Moderate), observed Nov 11, 00:00 local time via Open-Meteo / CAMS, corrected with 5 ground-station cities within 85 km, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Piacenza today?
At AQI 96 (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 Piacenza been like this week?
Over the last 7 days, the CAMS air-quality model put Piacenza's daily AQI at 89 on average, from 71 on Nov 5 to an hourly peak of 117 on Nov 9. On 2 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Piacenza lost since 2001?
Since 2001, the area within 10 km of Piacenza has lost about 92 hectares of forest (about 130 football pitches): 31% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 4 hectares (3.9%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Piacenza grew from about 701 hectares to 721 hectares, a net gain of about 20 hectares (+2.9%). New forest grew on about 231 hectares, while 212 hectares were lost.
What is the tree count in Piacenza?
Piacenza has an estimated 60,004 trees across the 12 km² of land measured — 20.0% tree cover, 10 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Piacenza need?
Piacenza needs roughly 30,002 more trees to close a 10-point shortfall against its 30% tree-cover target — about 660.0 t of extra CO₂ absorbed per year once grown.
How are Piacenza's air quality and tree cover measured?
Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. 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 Centro Storico; the tree count is an estimate derived from that cover.
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