Air quality in Miami

Air quality index (AQI) and PM2.5 air pollution in Miami

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Pollen

What is the pollen count in Miami today?

IndexModerate
Tree pollenModerate
Grass pollenLow
Weed pollenLow
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Weather

What is the current weather in Miami?

Weather icon
WeatherScattered clouds
Temperature75.2°F
Humidity55%
Wind11.5 mp/h
Pressure30.1 Hg

live aqi city ranking

Real-time USA city ranking

#cityUS AQI
1 San Antonio, Texas

90

2 Monrovia, California

86

3 Boerne, Texas

84

4 La Habra, California

83

5 Three Rivers, California

83

6 New Braunfels, Texas

81

7 Springville, California

80

8 Altadena, California

79

9 Georgetown, Texas

77

10 Glendale, California

76

(local time)

SEE WORLD AQI RANKING

live Miami aqi ranking

Real-time Miami air quality ranking

#stationUS AQI
1 Coconut Grove

25

2 Miami Fire Station

23

3 Model City

20

4 Southwest 88th Lane

16

(local time)

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US AQI

20

live AQI index
Good

Human face indicating AQI level

Overview

What is the current air quality in Miami?

Air pollution levelAir quality indexMain pollutant
Good 20 US AQItrendPM2.5
PollutantsConcentration
PM2.5
4.9µg/m³trend

PM2.5 concentration in Miami air currently meets the WHO annual air quality guideline value

Health Recommendations

What is the current air quality in Miami?

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Forecast

Miami air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Saturday, Feb 24

Good 24 AQI US

Human face indicating AQI level
Weather icon
71.6° 59°
Wind rotating 321 degree 15.7 mp/h
Sunday, Feb 25

Good 43 AQI US

Human face indicating AQI level
Weather icon
71.6° 64.4°
Wind rotating 106 degree 8.9 mp/h
Monday, Feb 26

Good 26 AQI US

Human face indicating AQI level
Weather icon
75.2° 68°
Wind rotating 111 degree 15.7 mp/h
Today

Good 20 AQI US

Human face indicating AQI level
Weather icon
75.2° 68°
Wind rotating 111 degree 15.7 mp/h
Wednesday, Feb 28

Good 12 AQI US

Human face indicating AQI level
Weather icon
75.2° 69.8°
Wind rotating 118 degree 15.7 mp/h
Thursday, Feb 29

Good 12 AQI US

Human face indicating AQI level
Weather icon
75.2° 71.6°
Wind rotating 97 degree 13.4 mp/h
Friday, Mar 1

Good 12 AQI US

Human face indicating AQI level
Weather icon 30%
75.2° 71.6°
Wind rotating 127 degree 15.7 mp/h
Saturday, Mar 2

Good 11 AQI US

Human face indicating AQI level
Weather icon
77° 73.4°
Wind rotating 129 degree 15.7 mp/h
Sunday, Mar 3

Good 14 AQI US

Human face indicating AQI level
Weather icon
77° 73.4°
Wind rotating 140 degree 11.2 mp/h
Monday, Mar 4

Good 16 AQI US

Human face indicating AQI level
Weather icon
77° 73.4°
Wind rotating 131 degree 11.2 mp/h

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How to best protect from air pollution?

Reduce your air pollution exposure in Miami

AIR QUALITY ANALYSIS AND STATISTICS FOR Miami

Does Miami have polluted air?

Miami, the southeastern Florida metropolis, experiences elevated air pollution levels common to urban areas. Miami-Dade County ranks as the most populous county in Florida and the seventh most populous county in the United States, with 2.7 million residents and another 4.2 million residents in the surrounding area.1 Air pollution emissions result from transportation congestion, domestic energy consumption, regional port activity, industry, power generation, and natural sources, including wind-blown salt and sand.

Despite its large urban population, Miami air quality fares better than most comparably sized cities as a result of its coastal peninsula geography. With the Atlantic Ocean to the east and Gulf Coast to the west, the southern tip of Florida is surrounded by bodies of water that greatly reduce the influence of transboundary air pollution and provide ideal conditions for local emissions to readily disperse. This geographical feature is largely to thank for Miami’s generally “good” air quality, as defined by the US EPA Air Quality Index (AQI).

According to data collected by the American Lung Association State of the Air (SOTA) report, Miami met US EPA-based standards for daily ozone, daily PM2.5, and annual PM2.5 in the 2017-2020 monitoring period.2 Miami has also succeeded in passing federal air quality standards since 2009, the first year ozone fell within compliance levels, and met annual or daily PM2.5 standards since records began in 2000.

Despite compliance with federal standards, no level of air pollution exposure is completely safe.3 Moreover, air pollution in Miami still reaches levels deemed “unhealthy for sensitive groups” and higher. It is important to check Miami’s real-time AQI levels and Miami’s forecast air quality conditions to understand the level of risk present in the air and the actions one can take to reduce exposure.

Does the air quality in Miami vary throughout the year?

Miami air quality is relatively consistent year-round due to its tropical climate. Temperatures typically vary from 62°F to 90°F and are rarely recorded outside this range.4 Generally warm temperatures also means that there is relatively little change in human behavior throughout the year – winter woodburning and car idling (for heating purposes) remain rare.

In 2020, average monthly PM2.5 concentrations ranged from a low of 5.4 μg/m3 in November to a high of 9.9 μg/m3 in July. Every month of the year met the US PM2.5 target of 12 μg/m3 as well as the more stringent World Health Organization (WHO) PM2.5 target of 10 μg/m3.

Miami does observe subtle seasonal variation, however, in monthly PM2.5 levels. The winter months are prone to heavy rains, which coagulate and tamp down air pollutants. In 2020, the months of November and December averaged exceptionally low PM2.5 concentrations of 5.4 μg/m3 and 4.9 μg/m3 (respectively).

How does Miami air pollution rank?

While Miami is a large urban metropolis and popular cruise port, the city fares relatively well for air quality. Miami ranks as the 28th most polluted city in Florida (out of 48 cities) and the 996th most polluted city in the United States (out of 1,412 cities).

In 2020, Miami averaged an annual PM2.5 concentration of 7.9 µg/m³. By comparison, the 5 most polluted cities in Florida during 2020 averaged concentration levels several micrograms higher:

What is being done to improve air quality in Miami?

Miami is the “cruise capital of the world”, a designation that carries a heavy air pollution burden. A study by the U.S. Environmental Protection Agency (EPA) found that a single docked cruise ship contributes as much diesel exhaust as 34,400 idling heavy-duty semi-trucks.5 In the Port of Miami, nine cruise ships are typically docked at a time, producing air pollution equivalent to that of roughly 310,000 trucks.

In 2021, the Port of Miami won a $2 million dollar grant from the U.S. EPA aimed at slashing diesel exhaust from cruise ships.6 The grant money will fund plugs into the local electrical grid so that ships can run on electricity at the port rather than idling their engines. This investment (combined with $8 million in funding from the city of Miami) could reduce the prevalence of harmful gas pollutants, such as sulfur dioxide and nitrogen oxide emissions, by 67 percent and 99 percent (respectively) while also cutting emissions of carbon, a potent greenhouse gas, by up to 35 percent.

Transportation emissions, primarily from motor vehicles and highway congestion, are also major sources of Miami air pollution that the city seeks to address. It is estimated that shifting to 100-percent electric vehicle usage within the city limits could help clear Miami’s polluted sky, avoiding 126 premature deaths annually and $1.4 billion USD in public health costs.7 Currently, there is little in the way of incentives and tax rebates from the city of Miami for residents choosing electric vehicles (EVs). At the start of 2021, however, Florida’s Energy Office released its first electric vehicle roadmap aimed at accommodating EV growth, which officials hope is quickly adopted and implemented.8 While progress is seemingly underway, more must be done to ease and promote the transition to electric vehicles.

Is it unhealthy to breathe Miami air pollution?

While Miami air quality meets the U.S. EPA’s most stringent air pollution standards for PM2.5 and ozone, no level of air pollution has proven to be free of health consequences.

A 2019 study published in PLoS Medicine found that air pollution levels that meet current EPA standards still contribute to unnecessary deaths and adverse health effects.9 Further lowering the PM2.5 standard below 12 μg/m3 could provide an opportunity to improve the health and livelihood of residents as well as equalize the health burden across income levels (as under-resourced neighborhoods are often exposed to higher particle pollution levels).

Exposure to PM2.5 pollution can aggravate cardiovascular and respiratory illnesses such as asthma, bronchitis, emphysema, COPD, and congestive heart failure as well as cause cancer and contribute to early death. The risk of developing health risks associated with PM2.5 increases with exposure, and is more likely to impact children, the elderly, and those with pre-existing health conditions.

There are a number of means for reducing one’s health risk to air pollution. These include wearing an air pollution mask when Miami’s AQI is above 100, avoiding outdoor activity (especially strenuous activity) during peak pollution periods and using air purifiers where available.

+ Article Resources

[1] United States Census Bureau. (2020). Miami-Dade County, Florida. U.S. Department of Commerce.
[2] American Lung Association. (2020). State of the air – 2020.
[3] World Health Organization. (2020). Air quality guidelines – global update 2005.
[4] Weather Spark. (2021). Average Weather in Miami.
[5] Zimmerman K, et al. (2011). How do cruise emissions and truck emissions stack up? Coastal Conservation League.
[6] Dolven T, et al. (2021, May 8). PortMiami wins $2M EPA grant, one step closer to reducing air pollution from cruise ships. Miami Herald.
[7] Brasileiro A. (2020, September 16). Miami has air quality problems. Study points to electric cars as a healthier option. Miami Herald.
[8] Banahan G. (2021, February 9). Florida’s electric vehicle market is geared for exponential growth but awaiting takeoff. NPR - WUFT.
[9] Bennett J, et al. (2019). Particulate matter air pollution and national and county life expectancy loss in the USA: A spatiotemporal analysis. PLoS Medicine. DOI: 10.1371/journal.pmed.1002856

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