Modelled estimate, not a measurement: aircraft below 3,000 ft (landing and take-off), ground support equipment and auxiliary power units, plus any stationary sources the state reported at the airport site. Cruise emissions are not included.
In 2023, the US EPA estimated 11.1 tonnes of nitrogen oxides (NOₓ) and 1.1 tonnes of fine particles (PM2.5) from activity at Edward G. Pitka Sr Airport, according to the EPA National Emissions Inventory.
Pollutant
Unit
2017
2020
2023
NOₓ (Nitrogen oxides)
tonnes
24.1
23.6
11.1
CO (Carbon monoxide)
tonnes
87.6
60.5
43.0
SO₂ (Sulphur dioxide)
tonnes
2.6
2.4
1.2
VOC (Volatile organic compounds)
tonnes
16.4
13.0
6.2
PM2.5 (Fine particles)
tonnes
2.0
1.9
1.1
PM10 (Particulate matter)
tonnes
2.2
2.0
1.2
Lead
kg
32.7
27.1
20.1
CO₂ (Carbon dioxide)
tonnes
786
5,750
—
The inventory is published every three years. Coverage changes between editions (about 19,300 airport sites in 2017, 6,000 in 2020, 12,700 in 2023), 2020 reflects the pandemic drop in traffic, and EPA updates its aircraft model between editions — so the columns are not a trend (Los Angeles: 3,562 tonnes of NOₓ in 2017, 8,810 in 2023). CO₂ is only reported for some sites in 2017, for all sites in 2020, and not at all in 2023. EPA publishes US customary units; converted here to metric tonnes (× 0.907) and, for lead, kilograms.
US EPA — National Emissions Inventory
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