City report · Baja California, Mexico
Mexicali Air quality today
Air quality in Mexicali currently reads AQI 71 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 71
Moderate
- PM2.5, fine particles (µg/m³)
- 19.9
- tree cover
- 2.2%
- trees in this area
- 6.9K
- more trees needed
- 87.3K
Measured across a 2 km radius around Fraccionamiento Villa Mediterranea, Mexicali, B.C., Mexico (12.57 km²), from a satellite image of Sep 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Mexicali · AQI 71 (Moderate)
Mexicali's tree count comes to 6,912 trees across 12.57 km², 28 points below the 30% tree-cover level considered healthy for this area, so roughly 87,336 more trees would close the gap.
Air quality detail
Air quality in Mexicali today: AQI 71, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 07:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Centro Cívico, 2.3 km away · median of 4 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
19.9
PM10
38.5
NO₂
32.5
O₃
23.6
SO₂
0.5
CO
1000.3
Data: OpenAQ · AirNow, Sinaica Mexico
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Mexicali's daily AQI at 35 on average, from 29 on Nov 6 to an hourly peak of 67 on Nov 4.
Where Mexicali stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Mexicali: Critically low
2.2% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
6,912
Target trees
94,248
More trees needed
87,336
CO₂ if planted / yr
1,921 t
Deforestation · 2001–2025
How much forest has Mexicali lost?
There was almost no forest around Mexicali 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.
2017: satellite photo from June 2017 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 Mexicali
Same 2 km radius, same index — so they compare directly.
- San Luis Río Colorado66.9 km
Mexico
- Tree cover
- 2%
- Air quality
- 26
- Ensenada136.7 km
Mexico
- Tree cover
- 2%
- Air quality
- 32
- El Cajon142.3 km
United States
- Tree cover
- 4%
- Air quality
- 21
- Tijuana145.8 km
Mexico
- Tree cover
- 5%
- Air quality
- 66
- Rosarito152.2 km
Mexico
- Tree cover
- 2%
- Air quality
- 66
- Chula Vista152.6 km
United States
- Tree cover
- 6%
- Air quality
- 23
Build your own
Compare Mexicali with anywhere
This place
Mexicali
Use this data
Put Mexicali's numbers on your site
Free to embed. Updates itself as the measurement refreshes.
Frequently asked
Questions about Mexicali
What is the air quality (AQI) in Mexicali right now?
The latest reading for Mexicali shows an AQI of 71 (Moderate), measured Nov 11, 07:00 local time by 4 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Centro Cívico, 2.3 km away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Mexicali today?
At AQI 71 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Mexicali been like this week?
Over the last 7 days, the CAMS air-quality model put Mexicali's daily AQI at 35 on average, from 29 on Nov 6 to an hourly peak of 67 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 Mexicali lost since 2001?
There was almost no forest around Mexicali 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 Mexicali?
Mexicali has an estimated 6,912 trees across the 12.57 km² measured — 2.2% tree cover, 28 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Mexicali need?
Mexicali needs roughly 87,336 more trees to close a 28-point shortfall against its 30% tree-cover target — about 1,921 t of extra CO₂ absorbed per year once grown.
How are Mexicali's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Fraccionamiento Villa Mediterranea, 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 Fraccionamiento Villa Mediterranea; the tree count is an estimate derived from that cover.
See your own area
What does your neighborhood look like?
Pick any point and radius to get the same air-quality and tree-cover breakdown.
Check my address