City report · Sinaloa, Mexico
Culiacán Air quality today
Air quality in Culiacán currently reads AQI 27 (Good): Air quality is satisfactory for everyone.
AQI 27
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 4.2
- tree cover
- 17.0%
- trees in this area
- 53.2K
- more trees needed
- 40.7K
Measured across a 2 km radius around Miguel Alemán, 80200 Culiacán Rosales, Sin., Mexico (12.57 km²), from a satellite image of Sep 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Culiacán · AQI 27 (Good)
Culiacán's tree count comes to 53,193 trees across 12.52 km² of land, 13 points below the 30% tree-cover level considered healthy for this area, so roughly 40,677 more trees would close the gap.
Air quality detail
Air quality in Culiacán today: AQI 27, Good
Main pollutant: PM2.5 · Observed Nov 10, 13:00 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
4.2
PM10
4.6
NO₂
0.5
O₃
114.0
SO₂
1.6
CO
156.0
- 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 Culiacán's daily AQI at 43 on average, from 35 on Nov 9 to an hourly peak of 64 on Nov 5.
Where Culiacán stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Culiacán: Critically low
17.0% tree cover against a 30% healthy-neighborhood target, across 12.52 km² of land.
Trees in this area
53,193
Target trees
93,870
More trees needed
40,677
CO₂ if planted / yr
894.9 t
Deforestation · 2001–2025
How much forest has Culiacán lost?
Since 2001, the area within 10 km of Culiacán has lost about 241 hectares of forest (about 340 football pitches): 4.2% of the forest it had in 2000. Most of it (96%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from March 2017 of a 5 × 5 km area about 7 km northeast of the city center.
- Forest lost since 2001
- 241 haabout 340 football pitches
- Share of its forest
- 4.2%of what there was in 2000
- Cleared for good
- 232 hadeforestation: turned into farms, mines or towns
The worst year was 2018, when about 40 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 | 2 ha | 2 ha | 4 ha |
| 2002 | 2 ha | under 1 ha | 2 ha |
| 2003 | 5 ha | under 1 ha | 6 ha |
| 2004 | 9 ha | under 1 ha | 10 ha |
| 2005 | 6 ha | under 1 ha | 6 ha |
| 2006 | 4 ha | under 1 ha | 5 ha |
| 2007 | 10 ha | 1 ha | 11 ha |
| 2008 | 1 ha | under 1 ha | 1 ha |
| 2009 | 2 ha | under 1 ha | 2 ha |
| 2010 | 5 ha | under 1 ha | 6 ha |
| 2011 | 7 ha | under 1 ha | 7 ha |
| 2012 | 17 ha | under 1 ha | 17 ha |
| 2013 | 27 ha | under 1 ha | 27 ha |
| 2014 | 3 ha | under 1 ha | 3 ha |
| 2015 | 15 ha | under 1 ha | 15 ha |
| 2016 | 8 ha | under 1 ha | 9 ha |
| 2017 | 7 ha | under 1 ha | 7 ha |
| 2018 | 40 ha | under 1 ha | 40 ha |
| 2019 | 2 ha | under 1 ha | 2 ha |
| 2020 | 9 ha | under 1 ha | 9 ha |
| 2021 | 8 ha | under 1 ha | 8 ha |
| 2022 | 6 ha | under 1 ha | 6 ha |
| 2023 | 9 ha | under 1 ha | 9 ha |
| 2024 | 17 ha | under 1 ha | 17 ha |
| 2025 | 11 ha | 2 ha | 13 ha |
What is causing deforestation around Culiacán?
- Farms, pasture and plantationscleared for good48% · 115 ha
- Towns and roadscleared for good44% · 107 ha
- Mining and energycleared for good4.2% · 10 ha
Also: storms, floods and other natural causes, logging, 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
- 5,100 ha
- Forest in 2020
- 5,560 ha
- Overall change
- +454 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Culiacán grew from about 5,100 hectares to 5,560 hectares, a net gain of about 454 hectares (+8.9%). New forest grew on about 835 hectares, while 380 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
In the same region
Measured cities near Culiacán
Same 2 km radius, same index — so they compare directly.
- Los Mochis195.2 km
Mexico
- Tree cover
- 12%
- Air quality
- 29
- Mazatlán201.7 km
Mexico
- Tree cover
- 12%
- Air quality
- 36
- Victoria de Durango290.4 km
Mexico
- Tree cover
- 3%
- Air quality
- 16
- Hidalgo del Parral293.0 km
Mexico
- Tree cover
- 3%
- Air quality
- 48
- La Paz304.4 km
Mexico
- Tree cover
- 4%
- Air quality
- 47
- San José del Cabo304.7 km
Mexico
- Tree cover
- 18%
- Air quality
- 12
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Frequently asked
Questions about Culiacán
What is the air quality (AQI) in Culiacán right now?
The latest reading for Culiacán shows an AQI of 27 (Good), observed Nov 10, 13:00 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 Culiacán today?
At AQI 27 (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 Culiacán been like this week?
Over the last 7 days, the CAMS air-quality model put Culiacán's daily AQI at 43 on average, from 35 on Nov 9 to an hourly peak of 64 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 Culiacán lost since 2001?
Since 2001, the area within 10 km of Culiacán has lost about 241 hectares of forest (about 340 football pitches): 4.2% of the forest it had in 2000. Most of it (96%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Culiacán grew from about 5,100 hectares to 5,560 hectares, a net gain of about 454 hectares (+8.9%). New forest grew on about 835 hectares, while 380 hectares were lost.
What is the tree count in Culiacán?
Culiacán has an estimated 53,193 trees across the 12.52 km² of land measured — 17.0% tree cover, 13 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Culiacán need?
Culiacán needs roughly 40,677 more trees to close a 13-point shortfall against its 30% tree-cover target — about 894.9 t of extra CO₂ absorbed per year once grown.
How are Culiacán'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 Miguel Alemán; the tree count is an estimate derived from that cover.
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