Environment in Arkansas

Air quality, wildfires, drought, water and emissions.

Monitored days with good air quality
71.2%
2025 · U.S. EPA AirData
Annual wildfires
2,000
2024
Area in drought (D1–D4), yearly average
18.3%
2025 · U.S. Drought Monitor
Daily water withdrawals
11 B gallons
Energy-related CO₂ emissions
62
2021 · U.S. EIA State Energy Data System
Average annual temperature
62.6
2025 · NOAA National Centers for Environmental Information

Air Quality

Arkansas meets federal air-quality standards statewide, with ozone the main summer concern.

Monitored days with good air quality
71.2%
2025 · U.S. EPA AirData
Monitored days unhealthy for sensitive groups or worse
0.2%
2025 · U.S. EPA AirData
Main urban monitor
Little Rock
Days rated good
~85%
Primary pollutant
Ozone / PM2.5

Monitored days with good air quality

1990–2025
71.2%

U.S. EPA AirData, Annual AQI by County, all monitored Arkansas counties.

Monitored days unhealthy for sensitive groups or worse

1990–2025
0.2%

U.S. EPA AirData, Annual AQI by County (AQI above 100).

Wildfires

Arkansas sees about 2,000 wildfires per year, mostly in forested areas.

Annual wildfires
2,000
2024

Drought

Roughly 10-15% of Arkansas experiences drought conditions in a typical year.

Area in drought (D1–D4), yearly average
18.3%
2025 · U.S. Drought Monitor
Area in extreme or exceptional drought (D3–D4)
0.1%
2025 · U.S. Drought Monitor
Area in drought (avg)
12%
2024

Area in drought (D1–D4), yearly average

2000–2025
18.3%

U.S. Drought Monitor (NDMC / USDA / NOAA), average of weekly maps.

Area in extreme or exceptional drought (D3–D4)

2000–2025
0.1%

U.S. Drought Monitor (NDMC / USDA / NOAA), average of weekly maps.

Water Usage

Rice and soybean irrigation in eastern Arkansas makes the state one of the largest agricultural water users in the country.

Daily water withdrawals
11 B gallons
Irrigation share
~75%
Main source
Mississippi alluvial aquifer
  • •Arkansas grows about half of all U.S. rice.

Emissions

Arkansas emits about 85 million metric tons of CO2 annually.

Energy-related CO₂ emissions
62
2021 · U.S. EIA State Energy Data System
Transportation CO₂ emissions
19.5
2021 · U.S. EIA State Energy Data System
CO2 emissions
85 MMT
2024

Energy-related CO₂ emissions

1970–2021
62▲ 71%

U.S. EIA State Energy Data System, all sectors and fuels (FRED EMISSCO2TOTVTTTOARA).

Transportation CO₂ emissions

1970–2021
19.5▲ 68%

U.S. EIA State Energy Data System, transportation sector (FRED EMISSCO2TOTVTCTOARA).

IndicatorArkansasU.S.
CO2 emissions per capita (t)7.414.7

Climate Indicators

Arkansas faces more extreme heat, heavier rainfall and severe storms including frequent tornadoes.

Average annual temperature
62.6
2025 · NOAA National Centers for Environmental Information
Annual precipitation
51.6
2025 · NOAA National Centers for Environmental Information
Warming since 1900
+1.5 °F
Main hazard
Extreme heat and tornadoes

Average annual temperature

1895–2025
62.6▲ 6%

NOAA National Centers for Environmental Information, Climate at a Glance, statewide January–December average.

Annual precipitation

1895–2025
51.56▲ 14%

NOAA National Centers for Environmental Information, Climate at a Glance, statewide January–December total.