Brazil · Santa Catarina · 13 cities
Air quality in Santa Catarina today The AQI right now, city by city
Right now, Lages has the cleanest air of the 13 cities we track in Santa Catarina (AQI 18, Good), and Itajaí the worst (AQI 53, Moderate). Blumenau has the most tree cover, at 61.9% — #8 of 304 cities measured in Brazil.
Every city is measured the same way, over the same 2 km around its center: the air quality right now, from ground stations where there are any, and its tree cover.
Average right now
AQI 40
Good
- cities tracked
- 13
- average tree cover
- 28.7%
- Brazil: 25.8%
- worst air now: Itajaí
- 53
- cleanest air now: Lages
- 18
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
Santa Catarina · average AQI 40
Air quality today across Santa Catarina, city by city
| Joinville | 49Good | 31.7% | — | #80 of 304 |
|---|---|---|---|---|
| Florianópolis | 53Moderate | 29.4% | 1.2K | #97 of 304 |
| Blumenau | 38Good | 61.9% | — | #8 of 304 |
| Itajaí | 53Moderate | 15.4% | 39.0K | #231 of 304 |
| Chapecó | 43Good | 15.3% | 46.2K | #234 of 304 |
| Criciúma | 33Good | 31.5% | — | #82 of 304 |
| Palhoça | 39Good | 24.5% | 15.6K | #133 of 304 |
| São José | 39Good | 24.6% | 9.5K | #132 of 304 |
| Jaraguá do Sul | 22Good | 44.9% | — | #37 of 304 |
| Lages | 18Good | 14.3% | 49.3K | #250 of 304 |
| Brusque | 48Good | 46.7% | — | #35 of 304 |
| Balneário Camboriú | 52Moderate | 14.5% | 34.3K | #245 of 304 |
| Tubarão | 34Good | 17.8% | 37.6K | #191 of 304 |
Air quality is the US AQI from ground monitoring stations via OpenAQ where available, otherwise the Open-Meteo / CAMS model, refreshed hourly. Tree cover is measured within 2 km of each city center from Sentinel-2 imagery; the rank compares every city measured in Brazil.
Deforestation · 2001–2025
How much forest has Santa Catarina lost?
Since 2001, Santa Catarina has lost about 1.09 million hectares of forest (about 11,000 km²): 18% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 257,000 hectares (24%) was deforestation: forest cleared for good for farms, mines or towns.
- Forest lost since 2001
- 1.09 million haabout 11,000 km²
- Share of its forest
- 18%of what there was in 2000
- Cleared for good
- 257,000 hadeforestation: turned into farms, mines or towns
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 7,530 ha | 27,300 ha | 34,900 ha |
| 2002 | 9,970 ha | 31,300 ha | 41,200 ha |
| 2003 | 12,400 ha | 32,100 ha | 44,500 ha |
| 2004 | 11,200 ha | 30,300 ha | 41,400 ha |
| 2005 | 12,600 ha | 35,500 ha | 48,100 ha |
| 2006 | 12,900 ha | 35,700 ha | 48,600 ha |
| 2007 | 5,860 ha | 25,300 ha | 31,200 ha |
| 2008 | 9,260 ha | 31,700 ha | 40,900 ha |
| 2009 | 6,660 ha | 26,500 ha | 33,100 ha |
| 2010 | 8,020 ha | 29,400 ha | 37,400 ha |
| 2011 | 7,410 ha | 26,000 ha | 33,400 ha |
| 2012 | 10,900 ha | 32,600 ha | 43,500 ha |
| 2013 | 6,790 ha | 28,800 ha | 35,600 ha |
| 2014 | 10,900 ha | 35,300 ha | 46,200 ha |
| 2015 | 6,400 ha | 22,300 ha | 28,700 ha |
| 2016 | 14,600 ha | 41,200 ha | 55,800 ha |
| 2017 | 23,100 ha | 51,200 ha | 74,300 ha |
| 2018 | 9,890 ha | 37,700 ha | 47,600 ha |
| 2019 | 8,940 ha | 36,800 ha | 45,800 ha |
| 2020 | 11,200 ha | 34,600 ha | 45,800 ha |
| 2021 | 11,200 ha | 39,800 ha | 51,000 ha |
| 2022 | 11,700 ha | 38,900 ha | 50,600 ha |
| 2023 | 8,800 ha | 34,100 ha | 42,900 ha |
| 2024 | 6,980 ha | 31,200 ha | 38,200 ha |
| 2025 | 11,800 ha | 37,300 ha | 49,100 ha |
Forest loss has stayed about the same: about 46,300 hectares a year in 2021–2025, against 53,800 hectares a year in 2016–2020. The worst year was 2017, when about 74,300 hectares of forest were lost.
What is causing deforestation in Santa Catarina?
- Loggingcan grow back76% · 823,000 ha
- Farms, pasture and plantationscleared for good22% · 237,000 ha
- Towns and roadscleared for good1.7% · 18,100 ha
Also: storms, floods and other natural causes, shifting farming, mining and energy, wildfires, unknown causes.
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
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. How it's measured
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