Where is the air worst in Louisiana right now?

Lafayette has the highest current reading at AQI 68 (Moderate).

How often are readings updated?

Monitors report every hour. We refresh this page with the latest hour from EPA AirNow.

Louisiana Air Quality

Current AQI at 22 monitors, highest 68 (Moderate) · Measured 10/29/2026, 9:00 PM PT

Monitors: 22
Highest AQI: 68; Moderate
Typical (median): 41; Good
Above 100: 0

Monitoring sites in Louisiana

Worst first. Times are local.

68LafayetteModerate · Fine particles (PM2.5) · Thu 10/29/2026, 11:00 PM CDT
58Shreveport AirportModerate · Fine particles (PM2.5) · Thu 10/29/2026, 11:00 PM CDT
56MonroeModerate · Fine particles (PM2.5) · Thu 10/29/2026, 11:00 PM CDT
56WestlakeModerate · Fine particles (PM2.5) · Thu 10/29/2026, 11:00 PM CDT
55CapitolModerate · Fine particles (PM2.5) · Thu 10/29/2026, 11:00 PM CDT
54I-610 New Orleans Near RoadModerate · Fine particles (PM2.5) · Thu 10/29/2026, 11:00 PM CDT
52VintonModerate · Fine particles (PM2.5) · Thu 10/29/2026, 11:00 PM CDT
48ThibodauxGood · Fine particles (PM2.5) · Thu 10/29/2026, 11:00 PM CDT
47French SettlementGood · Fine particles (PM2.5) · Thu 10/29/2026, 11:00 PM CDT
44Chalmette VistaGood · Fine particles (PM2.5) · Thu 10/29/2026, 11:00 PM CDT
41KennerGood · Fine particles (PM2.5) · Thu 10/29/2026, 11:00 PM CDT
28CarlyssGood · Ozone · Thu 10/29/2026, 10:00 PM CDT
22St. MartinvilleGood · Ozone · Thu 10/29/2026, 10:00 PM CDT
20PrideGood · Ozone · Thu 10/29/2026, 10:00 PM CDT
19CarvilleGood · Ozone · Thu 10/29/2026, 10:00 PM CDT
19DixieGood · Ozone · Thu 10/29/2026, 10:00 PM CDT
19LSUGood · Ozone · Thu 10/29/2026, 10:00 PM CDT
15MadisonvilleGood · Ozone · Thu 10/29/2026, 10:00 PM CDT
11Port AllenGood · Ozone · Thu 10/29/2026, 10:00 PM CDT
8GaryvilleGood · Ozone · Thu 10/29/2026, 10:00 PM CDT
7Bayou PlaquemineGood · Ozone · Thu 10/29/2026, 10:00 PM CDT
6DutchtownGood · Ozone · Thu 10/29/2026, 10:00 PM CDT

By county

Highest current AQI among the county's monitors

Frequently asked questions

Where is the air worst in Louisiana right now?: Lafayette has the highest current reading at AQI 68 (Moderate).
How often are readings updated?: Monitors report every hour. We refresh this page with the latest hour from EPA AirNow.

Source: EPA AirNow · Last updated 10/29/2026 · Data are preliminary and subject to change

What the AQI means

0-50Good. Air quality is satisfactory and poses little or no risk.
51-100Moderate. Acceptable. A few unusually sensitive people may have symptoms.
101-150Unhealthy for Sensitive Groups. People with heart or lung disease, older adults, children and teens should limit long or heavy outdoor exertion.
151-200Unhealthy. Everyone may begin to feel effects. Sensitive groups should avoid long or heavy outdoor exertion.
201-300Very Unhealthy. Health alert: the risk of health effects is increased for everyone.
301-500Hazardous. Health warning of emergency conditions. Everyone is more likely to be affected.

Data sources

AirNowU.S. Environmental Protection Agency · Official site

Data as of 10/29/2026

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About this data

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