City report · São Paulo, Brazil
Paulínia Air quality today
Air quality in Paulínia currently reads AQI 28 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 28
Good
- PM2.5, fine particles (µg/m³)
- 5.0
- tree cover
- 33.5%
- trees in this area
- 105K
- more trees needed
- 0
Measured across a 2 km radius around Jardim dos Calegaris, Paulínia - SP, 13140-000, Brazil (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Paulínia · AQI 28 (Good)
Paulínia's tree count comes to 105,243 trees across 12.57 km², already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Paulínia today: AQI 28, Good
Main pollutant: PM2.5 · Observed Nov 11, 11:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Paulínia-Sul, São Paulo, Brazil, 2.6 km away
Health signal
Air quality is satisfactory for everyone.
PM2.5
5.0
PM10
22.7
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, CETESB - Companhia Ambiental do Estado de São Paulo
- 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 Paulínia's daily AQI at 78 on average, from 43 on Nov 9 to an hourly peak of 161 on Nov 5.
Where Paulínia stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Paulínia: Healthy tree cover
33.5% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
105,243
Target trees
105,243
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Paulínia lost?
Since 2001, the area within 10 km of Paulínia has lost about 493 hectares of forest (about 690 football pitches): 13% of the forest it had in 2000. Most of it (91%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from July 2017 of a 5 × 5 km area about 7 km northwest of the city center.
- Forest lost since 2001
- 493 haabout 690 football pitches
- Share of its forest
- 13%of what there was in 2000
- Cleared for good
- 450 hadeforestation: turned into farms, mines or towns
The worst year was 2018, when about 81 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 | 5 ha | 2 ha | 8 ha |
| 2002 | 8 ha | 2 ha | 10 ha |
| 2003 | 5 ha | under 1 ha | 6 ha |
| 2004 | 11 ha | under 1 ha | 12 ha |
| 2005 | 12 ha | 1 ha | 13 ha |
| 2006 | 17 ha | 2 ha | 18 ha |
| 2007 | 57 ha | 1 ha | 58 ha |
| 2008 | 16 ha | 2 ha | 19 ha |
| 2009 | 34 ha | 8 ha | 41 ha |
| 2010 | 16 ha | 4 ha | 20 ha |
| 2011 | 3 ha | under 1 ha | 4 ha |
| 2012 | 16 ha | 2 ha | 19 ha |
| 2013 | 18 ha | 1 ha | 19 ha |
| 2014 | 38 ha | 5 ha | 43 ha |
| 2015 | 50 ha | 3 ha | 53 ha |
| 2016 | 4 ha | under 1 ha | 5 ha |
| 2017 | 30 ha | 3 ha | 33 ha |
| 2018 | 80 ha | 2 ha | 81 ha |
| 2019 | 8 ha | under 1 ha | 8 ha |
| 2020 | 3 ha | under 1 ha | 3 ha |
| 2021 | 2 ha | under 1 ha | 3 ha |
| 2022 | 2 ha | under 1 ha | 2 ha |
| 2023 | 6 ha | under 1 ha | 6 ha |
| 2024 | 3 ha | under 1 ha | 4 ha |
| 2025 | 6 ha | under 1 ha | 6 ha |
What is causing deforestation around Paulínia?
- Farms, pasture and plantationscleared for good80% · 392 ha
- Towns and roadscleared for good11% · 56 ha
- Loggingcan grow back5.4% · 27 ha
Also: mining and energy, storms, floods and other natural causes, 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
- 4,570 ha
- Forest in 2020
- 4,400 ha
- Overall change
- −169 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Paulínia shrank from about 4,570 hectares to 4,400 hectares, a net loss of about 169 hectares (−3.7%). New forest grew on about 392 hectares, but 561 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 Paulínia
What is the air quality (AQI) in Paulínia right now?
The latest reading for Paulínia shows an AQI of 28 (Good), measured Nov 11, 11:00 local time by the Paulínia-Sul, São Paulo, Brazil ground monitoring station, 2.6 km away, via OpenAQ. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Paulínia today?
At AQI 28 (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 Paulínia been like this week?
Over the last 7 days, the CAMS air-quality model put Paulínia's daily AQI at 78 on average, from 43 on Nov 9 to an hourly peak of 161 on Nov 5. On 3 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Paulínia lost since 2001?
Since 2001, the area within 10 km of Paulínia has lost about 493 hectares of forest (about 690 football pitches): 13% of the forest it had in 2000. Most of it (91%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Paulínia shrank from about 4,570 hectares to 4,400 hectares, a net loss of about 169 hectares (−3.7%). New forest grew on about 392 hectares, but 561 hectares were lost.
What is the tree count in Paulínia?
Paulínia has an estimated 105,243 trees across the 12.57 km² measured — 33.5% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Paulínia need?
Paulínia has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Paulínia's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Jardim dos Calegaris, 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 Jardim dos Calegaris; the tree count is an estimate derived from that cover.
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