City report · Santa Catarina, Brazil
Criciúma Air quality today
Air quality in Criciúma currently reads AQI 33 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 33
Good
- PM2.5, fine particles (µg/m³)
- 5.9
- tree cover
- 31.5%
- trees in this area
- 99.0K
- more trees needed
- 0
Measured across a 2 km radius around Centro, Criciúma - SC, Brazil (12.57 km²), from a satellite image of Oct 27, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Criciúma · AQI 33 (Good)
Criciúma's tree count comes to 98,960 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 Criciúma today: AQI 33, Good
Main pollutant: PM2.5 · Observed Nov 11, 07:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Air quality is satisfactory for everyone.
PM2.5
5.9
PM10
8.6
NO₂
2.8
O₃
44.0
SO₂
1.8
CO
91.0
- 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 Criciúma's daily AQI at 41 on average, from 34 on Nov 7 to an hourly peak of 56 on Nov 8.
Where Criciúma stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Criciúma: Healthy tree cover
31.5% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
98,960
Target trees
98,960
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Criciúma lost?
Since 2001, the area within 10 km of Criciúma has lost about 2,990 hectares of forest (about 4,200 football pitches): 22% of the forest it had in 2000. Most of it (50%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from May 2017 of a 5 × 5 km area about 7 km north of the city center.
- Forest lost since 2001
- 2,990 haabout 4,200 football pitches
- Share of its forest
- 22%of what there was in 2000
- Cleared for good
- 1,500 hadeforestation: turned into farms, mines or towns
Forest loss has stayed about the same: about 119 hectares a year in 2021–2025, against 133 hectares a year in 2016–2020. The worst year was 2008, when about 215 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 | 49 ha | 79 ha | 127 ha |
| 2002 | 36 ha | 18 ha | 54 ha |
| 2003 | 103 ha | 84 ha | 187 ha |
| 2004 | 57 ha | 33 ha | 90 ha |
| 2005 | 50 ha | 30 ha | 80 ha |
| 2006 | 84 ha | 39 ha | 123 ha |
| 2007 | 38 ha | 14 ha | 52 ha |
| 2008 | 138 ha | 77 ha | 215 ha |
| 2009 | 43 ha | 31 ha | 74 ha |
| 2010 | 76 ha | 50 ha | 126 ha |
| 2011 | 71 ha | 29 ha | 100 ha |
| 2012 | 93 ha | 40 ha | 133 ha |
| 2013 | 81 ha | 81 ha | 162 ha |
| 2014 | 50 ha | 74 ha | 124 ha |
| 2015 | 32 ha | 50 ha | 83 ha |
| 2016 | 70 ha | 96 ha | 165 ha |
| 2017 | 68 ha | 115 ha | 183 ha |
| 2018 | 41 ha | 71 ha | 112 ha |
| 2019 | 48 ha | 64 ha | 112 ha |
| 2020 | 37 ha | 54 ha | 91 ha |
| 2021 | 47 ha | 67 ha | 114 ha |
| 2022 | 50 ha | 84 ha | 134 ha |
| 2023 | 48 ha | 54 ha | 102 ha |
| 2024 | 44 ha | 78 ha | 122 ha |
| 2025 | 45 ha | 76 ha | 121 ha |
What is causing deforestation around Criciúma?
- Loggingcan grow back50% · 1,480 ha
- Towns and roadscleared for good27% · 819 ha
- Farms, pasture and plantationscleared for good21% · 642 ha
Also: mining and energy, 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
- 11,700 ha
- Forest in 2020
- 10,700 ha
- Overall change
- −965 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Criciúma shrank from about 11,700 hectares to 10,700 hectares, a net loss of about 965 hectares (−8.3%). New forest grew on about 732 hectares, but 1,700 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 Criciúma
What is the air quality (AQI) in Criciúma right now?
The latest reading for Criciúma shows an AQI of 33 (Good), observed Nov 11, 07:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Criciúma today?
At AQI 33 (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 Criciúma been like this week?
Over the last 7 days, the CAMS air-quality model put Criciúma's daily AQI at 41 on average, from 34 on Nov 7 to an hourly peak of 56 on Nov 8. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Criciúma lost since 2001?
Since 2001, the area within 10 km of Criciúma has lost about 2,990 hectares of forest (about 4,200 football pitches): 22% of the forest it had in 2000. Most of it (50%) was deforestation, forest cleared for good, mainly for towns and roads. Forest loss has stayed about the same: about 119 hectares a year in 2021–2025, against 133 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Criciúma shrank from about 11,700 hectares to 10,700 hectares, a net loss of about 965 hectares (−8.3%). New forest grew on about 732 hectares, but 1,700 hectares were lost.
What is the tree count in Criciúma?
Criciúma has an estimated 98,960 trees across the 12.57 km² measured — 31.5% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Criciúma need?
Criciúma has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Criciúma'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; the tree count is an estimate derived from that cover.
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