Air Quality in Lafayette, Louisiana

54
Current AQI: Moderate
Primary pollutant: PM2.5 · Updated 03/30/26
51
Median AQI (2024)
108
Max AQI (2024)
→ stable
10-Year Trend
PM2.5
Primary Pollutant
180
Good Days (2024)
2
Monitoring Stations

AQI Trend (Median)

Air Quality Days by Category

Annual Summary

YearMedian AQIMax AQI Good DaysModerate DaysUnhealthy Days Ozone DaysPM2.5 Days
2024 51 1081801832 101264
2023 47 1122111531 186177
2022 47 1032131492 126236
2021 42 872431220 145219
2020 45 1202031601 124240
2019 46 842121530 116249
2018 47 972101550 114251
2017 45 1052181461 181184
2016 44 902441220 192174
2015 52 971671980 101264

Recent Daily AQI

DateAQICategoryPrimary Pollutant
Dec 31, 2024 46 GoodPM2.5
Dec 30, 2024 41 GoodOzone
Dec 29, 2024 36 GoodOzone
Dec 28, 2024 29 GoodOzone
Dec 27, 2024 33 GoodPM2.5
Dec 26, 2024 44 GoodPM2.5
Dec 25, 2024 36 GoodPM2.5
Dec 24, 2024 53 ModeratePM2.5
Dec 23, 2024 70 ModeratePM2.5
Dec 22, 2024 60 ModeratePM2.5
Dec 21, 2024 48 GoodPM2.5
Dec 20, 2024 46 GoodPM2.5
Dec 19, 2024 37 GoodPM2.5
Dec 18, 2024 29 GoodPM2.5
Dec 17, 2024 31 GoodPM2.5
Dec 16, 2024 31 GoodOzone
Dec 15, 2024 37 GoodOzone
Dec 14, 2024 39 GoodPM2.5
Dec 13, 2024 50 GoodPM2.5
Dec 12, 2024 44 GoodPM2.5
Dec 11, 2024 36 GoodPM2.5
Dec 10, 2024 41 GoodPM2.5
Dec 9, 2024 28 GoodOzone
Dec 8, 2024 43 GoodPM2.5
Dec 7, 2024 53 ModeratePM2.5
Dec 6, 2024 28 GoodPM2.5
Dec 5, 2024 44 GoodPM2.5
Dec 4, 2024 62 ModeratePM2.5
Dec 3, 2024 68 ModeratePM2.5
Dec 2, 2024 55 ModeratePM2.5
Dec 1, 2024 66 ModeratePM2.5
Nov 30, 2024 61 ModeratePM2.5
Nov 29, 2024 42 GoodPM2.5
Nov 28, 2024 28 GoodOzone
Nov 27, 2024 48 GoodPM2.5
Nov 26, 2024 84 ModeratePM2.5
Nov 25, 2024 41 GoodOzone
Nov 24, 2024 53 ModeratePM2.5
Nov 23, 2024 72 ModeratePM2.5
Nov 22, 2024 49 GoodPM2.5
Nov 21, 2024 37 GoodOzone
Nov 20, 2024 34 GoodOzone
Nov 19, 2024 41 GoodOzone
Nov 18, 2024 37 GoodOzone
Nov 17, 2024 44 GoodOzone
Nov 16, 2024 58 ModeratePM2.5
Nov 15, 2024 39 GoodPM2.5
Nov 14, 2024 41 GoodPM2.5
Nov 13, 2024 17 GoodOzone
Nov 12, 2024 34 GoodPM2.5
Nov 11, 2024 34 GoodPM2.5
Nov 10, 2024 28 GoodOzone
Nov 9, 2024 39 GoodPM2.5
Nov 8, 2024 48 GoodPM2.5
Nov 7, 2024 34 GoodPM2.5
Nov 6, 2024 20 GoodOzone
Nov 5, 2024 33 GoodPM2.5
Nov 4, 2024 35 GoodOzone
Nov 3, 2024 32 GoodOzone
Nov 2, 2024 38 GoodOzone
Nov 1, 2024 24 GoodOzone
Oct 31, 2024 29 GoodOzone
Oct 30, 2024 46 GoodPM2.5
Oct 29, 2024 49 GoodOzone
Oct 28, 2024 53 ModeratePM2.5
Oct 27, 2024 71 ModerateOzone
Oct 26, 2024 54 ModerateOzone
Oct 25, 2024 47 GoodOzone
Oct 24, 2024 53 ModeratePM2.5
Oct 23, 2024 87 ModerateOzone
Oct 22, 2024 93 ModerateOzone
Oct 21, 2024 61 ModerateOzone
Oct 20, 2024 57 ModeratePM2.5
Oct 19, 2024 58 ModeratePM2.5
Oct 18, 2024 60 ModeratePM2.5
Oct 17, 2024 52 ModeratePM2.5
Oct 16, 2024 52 ModeratePM2.5
Oct 14, 2024 58 ModerateOzone
Oct 13, 2024 80 ModerateOzone
Oct 12, 2024 108 Unhealthy for Sensitive GroupsOzone
Oct 11, 2024 80 ModerateOzone
Oct 10, 2024 63 ModeratePM2.5
Oct 9, 2024 60 ModeratePM2.5
Oct 8, 2024 55 ModeratePM2.5
Oct 7, 2024 57 ModeratePM2.5
Oct 6, 2024 55 ModeratePM2.5
Oct 5, 2024 52 ModeratePM2.5
Oct 4, 2024 47 GoodPM2.5
Oct 3, 2024 60 ModeratePM2.5
Oct 2, 2024 55 ModeratePM2.5

Monitoring Stations

Lafayette / State Police Troop
Lafayette
Est. 2000-01-01
30.2750, -92.0173
Lafayette / USGS
Lafayette
Est. 2005-12-12
30.2261, -92.0429

Frequently Asked Questions

What is the air quality in Lafayette, Louisiana?

Based on EPA data from 2024, Lafayette has a median Air Quality Index (AQI) of 51, which is classified as "Moderate." The primary pollutant is PM2.5. Over the past 10 years, air quality has been stable.

Is Lafayette a good place to live for air quality?

Lafayette has a 10-year average median AQI of 46. In 2024, there were 180 days with "Good" air quality and 2 days with unhealthy conditions. No special precautions are needed for most people.

What pollutants affect Lafayette the most?

The primary pollutant driving the AQI in Lafayette is PM2.5. This is monitored by 2 active EPA stations in the county. Other pollutants tracked include ozone, PM10, nitrogen dioxide, sulfur dioxide, and carbon monoxide.

How many air quality monitoring stations are in Lafayette?

There are 2 active EPA monitoring stations in Lafayette, Louisiana. These stations continuously measure pollutant levels and contribute to the daily AQI calculations.