Worst air pollution Liberty City - Miami, today and tomorrow
Today (20 September): Air quality in Liberty City is very poor. AQI and PM10 are very poor; PM2.5 is moderate; NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (PM10: 87.7/100).
Tomorrow (21 September 2026): Air quality in Liberty City is very poor. PM2.5 increases to poor; all other pollutants stay as today. Pollution peaks around 9:00 PM (PM10: 100/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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In Liberty City, constant vehicle traffic and concentrated urban activity dominate the local particulate matter and nitrogen dioxide profile. Green space in the area offers some natural filtering, softening the local particulate load somewhat. Conditions on any given day depend heavily on wind speed and direction locally. Nearby areas with a similar setup tend to show a comparable air quality baseline.
Today - 20 September | Pollution peaks at 12:00
AQI:
Very poor
87.7/100
PM2.5 (fine particles):
Moderate
47.7/100
PM10 (coarse particles):
Very poor
87.7/100
NO2 (nitrogen dioxide):
Good
0.7/100
O3 (ozone):
Good
8.9/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.4/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
3.7/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 21:00
AQI:
Very poor
100/100
PM2.5 (fine particles):
Poor
77.7/100
PM10 (coarse particles):
Very poor
100/100
NO2 (nitrogen dioxide):
Good
0.7/100
O3 (ozone):
Good
10.3/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.4/100
HCHO (formaldehyde):
Good
1.4/100
PM1 (ultrafine particles):
Good
8.7/100
Other Landmarks in Miami
Sports venues in Miami
Frequently Asked Questions
Is air quality bad in Liberty City right now?
On 20 September 2026, overall air quality in Liberty City is very poor. AQI is the main air quality indicator at 87.7/100. Pollution peaks around 12:00 PM (PM10: 87.7/100).
Will air quality be worse tomorrow in Liberty City?
On 21 September 2026, air quality conditions in Liberty City will be similar to today, with AQI forecast at very poor at 100/100. Pollution peaks around 9:00 PM (PM10: 100/100).
When is air pollution at its worst in Liberty City?
Wind speeds average only around 19 km/h from December to February, with temperatures near 23°C -- calm, cool conditions that let smoke and particulate matter build up near the ground rather than clear out. From July to September, temperatures average around 29°C, warm enough for strong sun and heat to drive ground-level ozone formation.
Are air quality levels in Liberty City based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 20 September 2026 at 14:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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