Air Quality in Durham, North Carolina

56
Current AQI: Moderate
Primary pollutant: PM2.5 · Updated 03/29/26
51
Median AQI (2024)
97
Max AQI (2024)
→ stable
10-Year Trend
PM2.5
Primary Pollutant
170
Good Days (2024)
6
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 971701960 66299
2023 52 1811631966 74291
2022 47 962101550 88277
2021 52 1751602041 65300
2020 48 972031630 64302
2019 47 872071570 138226
2018 48 1001911670 94264
2017 49 1001911740 104261
2016 49 1191941711 91275
2015 48 872021570 111247

Recent Daily AQI

DateAQICategoryPrimary Pollutant
Dec 31, 2024 36 GoodPM2.5
Dec 30, 2024 39 GoodPM2.5
Dec 29, 2024 23 GoodPM2.5
Dec 28, 2024 57 ModeratePM2.5
Dec 27, 2024 62 ModeratePM2.5
Dec 26, 2024 57 ModeratePM2.5
Dec 25, 2024 65 ModeratePM2.5
Dec 24, 2024 58 ModeratePM2.5
Dec 23, 2024 57 ModeratePM2.5
Dec 22, 2024 44 GoodPM2.5
Dec 21, 2024 26 GoodPM2.5
Dec 20, 2024 48 GoodPM2.5
Dec 19, 2024 28 GoodPM2.5
Dec 18, 2024 53 ModeratePM2.5
Dec 17, 2024 56 ModeratePM2.5
Dec 16, 2024 47 GoodPM2.5
Dec 15, 2024 44 GoodPM2.5
Dec 14, 2024 55 ModeratePM2.5
Dec 13, 2024 57 ModeratePM2.5
Dec 12, 2024 47 GoodPM2.5
Dec 11, 2024 21 GoodPM2.5
Dec 10, 2024 57 ModeratePM2.5
Dec 9, 2024 56 ModeratePM2.5
Dec 8, 2024 57 ModeratePM2.5
Dec 7, 2024 42 GoodPM2.5
Dec 6, 2024 46 GoodPM2.5
Dec 5, 2024 59 ModeratePM2.5
Dec 4, 2024 51 ModeratePM2.5
Dec 3, 2024 32 GoodPM2.5
Dec 2, 2024 31 GoodPM2.5
Dec 1, 2024 47 GoodPM2.5
Nov 30, 2024 35 GoodPM2.5
Nov 29, 2024 27 GoodPM2.5
Nov 28, 2024 53 ModeratePM2.5
Nov 27, 2024 48 GoodPM2.5
Nov 26, 2024 55 ModeratePM2.5
Nov 25, 2024 56 ModeratePM2.5
Nov 24, 2024 42 GoodPM2.5
Nov 23, 2024 18 GoodPM2.5
Nov 22, 2024 17 GoodPM2.5
Nov 21, 2024 6 GoodPM10
Nov 20, 2024 53 ModeratePM2.5
Nov 19, 2024 60 ModeratePM2.5
Nov 18, 2024 54 ModeratePM2.5
Nov 17, 2024 51 ModeratePM2.5
Nov 16, 2024 19 GoodPM2.5
Nov 15, 2024 21 GoodPM2.5
Nov 14, 2024 33 GoodPM2.5
Nov 13, 2024 19 GoodPM2.5
Nov 12, 2024 20 GoodPM2.5
Nov 11, 2024 42 GoodPM2.5
Nov 10, 2024 46 GoodPM2.5
Nov 9, 2024 42 GoodPM2.5
Nov 8, 2024 56 ModeratePM2.5
Nov 7, 2024 52 ModeratePM2.5
Nov 6, 2024 37 GoodPM2.5
Nov 5, 2024 41 GoodPM2.5
Nov 4, 2024 28 GoodPM2.5
Nov 3, 2024 44 GoodPM2.5
Nov 2, 2024 37 GoodPM2.5
Nov 1, 2024 26 GoodPM2.5
Oct 31, 2024 42 GoodPM2.5
Oct 30, 2024 48 GoodPM2.5
Oct 29, 2024 52 ModeratePM2.5
Oct 28, 2024 47 GoodPM2.5
Oct 27, 2024 36 GoodPM2.5
Oct 26, 2024 49 GoodPM2.5
Oct 25, 2024 51 ModeratePM2.5
Oct 24, 2024 52 ModeratePM2.5
Oct 23, 2024 44 GoodOzone
Oct 22, 2024 44 GoodOzone
Oct 21, 2024 41 GoodOzone
Oct 20, 2024 39 GoodPM2.5
Oct 19, 2024 44 GoodPM2.5
Oct 18, 2024 33 GoodOzone
Oct 17, 2024 31 GoodOzone
Oct 16, 2024 25 GoodOzone
Oct 15, 2024 30 GoodOzone
Oct 14, 2024 41 GoodOzone
Oct 13, 2024 54 ModeratePM2.5
Oct 12, 2024 55 ModeratePM2.5
Oct 11, 2024 46 GoodPM2.5
Oct 10, 2024 48 GoodPM2.5
Oct 9, 2024 52 ModeratePM2.5
Oct 8, 2024 53 ModeratePM2.5
Oct 7, 2024 54 ModeratePM2.5
Oct 6, 2024 57 ModeratePM2.5
Oct 5, 2024 53 ModeratePM2.5
Oct 4, 2024 52 ModeratePM2.5
Oct 3, 2024 37 GoodPM2.5

Monitoring Stations

ALEXANDER DR., N. OF HIGHWAY 54
Not in a City
Est. 2002-01-01
35.8929, -78.8764
ALEXANDER DR., N. OF HIGHWAY 54
Not in a City
Est. 1987-01-01
35.9026, -78.8697
ALEXANDER DR., N. OF HIGHWAY 54
Durham
Est. 1987-01-01
35.9026, -78.9050
109 TW Alexander Dr
Not in a City
Est. 2020-01-01
35.8820, -78.8745
Ambient Air Innovation and Research Site (AIRS)
Not in a City
Est. 2011-05-03
35.8893, -78.8747
Durham Armory
Durham
Est. 2007-02-01
36.0330, -78.9040

Frequently Asked Questions

What is the air quality in Durham, North Carolina?

Based on EPA data from 2024, Durham 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 Durham a good place to live for air quality?

Durham has a 10-year average median AQI of 49. In 2024, there were 170 days with "Good" air quality and 0 days with unhealthy conditions. No special precautions are needed for most people.

What pollutants affect Durham the most?

The primary pollutant driving the AQI in Durham is PM2.5. This is monitored by 6 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 Durham?

There are 6 active EPA monitoring stations in Durham, North Carolina. These stations continuously measure pollutant levels and contribute to the daily AQI calculations.