City report · Sonora, Mexico
Heroica Guaymas Air quality today
Air quality in Heroica Guaymas currently reads AQI 8 (Good): Air quality is satisfactory for everyone.
AQI 8
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 1.3
- tree cover
- 6.0%
- trees in this area
- 14.9K
- more trees needed
- 59.8K
Measured across a 2 km radius around Centro, Guaymas, Son., Mexico (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Heroica Guaymas · AQI 8 (Good)
Heroica Guaymas's tree count comes to 14,948 trees across 9.97 km² of land, 24 points below the 30% tree-cover level considered healthy for this area, so roughly 59,791 more trees would close the gap.
Air quality detail
Air quality in Heroica Guaymas today: AQI 8, 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
1.3
PM10
1.6
NO₂
1.4
O₃
91.0
SO₂
1.1
CO
136.0
- 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 Heroica Guaymas's daily AQI at 16 on average, from 12 on Nov 10 to an hourly peak of 42 on Nov 4.
Where Heroica Guaymas stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Heroica Guaymas: Critically low
6.0% tree cover against a 30% healthy-neighborhood target, across 9.97 km² of land.
Trees in this area
14,948
Target trees
74,739
More trees needed
59,791
CO₂ if planted / yr
1,315 t
Deforestation · 2001–2025
How much forest has Heroica Guaymas lost?
There was almost no forest around Heroica Guaymas in 2000, so there has been almost nothing to lose since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
2018: satellite photo from January 2018 of a 5 × 5 km area in the city center.
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. Images: contains modified Copernicus Sentinel data. How it's measured
In the same region
Measured cities near Heroica Guaymas
Same 2 km radius, same index — so they compare directly.
- Ciudad Obregón105.9 km
Mexico
- Tree cover
- 7%
- Air quality
- 58
- Hermosillo130.1 km
Mexico
- Tree cover
- 4%
- Air quality
- 12
- Navojoa171.8 km
Mexico
- Tree cover
- 12%
- Air quality
- 18
- Los Mochis302.6 km
Mexico
- Tree cover
- 12%
- Air quality
- 29
- Nogales376.8 km
Mexico
- Tree cover
- 7%
- Air quality
- 12
- Cuauhtémoc398.9 km
Mexico
- Tree cover
- 4%
- Air quality
- 29
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Frequently asked
Questions about Heroica Guaymas
What is the air quality (AQI) in Heroica Guaymas right now?
The latest reading for Heroica Guaymas shows an AQI of 8 (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 Heroica Guaymas today?
At AQI 8 (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 Heroica Guaymas been like this week?
Over the last 7 days, the CAMS air-quality model put Heroica Guaymas's daily AQI at 16 on average, from 12 on Nov 10 to an hourly peak of 42 on Nov 4. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Heroica Guaymas lost since 2001?
There was almost no forest around Heroica Guaymas in 2000, so there has been almost nothing to lose since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
What is the tree count in Heroica Guaymas?
Heroica Guaymas has an estimated 14,948 trees across the 9.97 km² of land measured — 6.0% tree cover, 24 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Heroica Guaymas need?
Heroica Guaymas needs roughly 59,791 more trees to close a 24-point shortfall against its 30% tree-cover target — about 1,315 t of extra CO₂ absorbed per year once grown.
How are Heroica Guaymas'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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