Air Quality in Caldwell, North Carolina

54
Current AQI: Moderate
Primary pollutant: PM2.5 · Updated 03/29/26
40
Median AQI (2024)
87
Max AQI (2024)
→ stable
10-Year Trend
Ozone
Primary Pollutant
221
Good Days (2024)
1
Monitoring Stations

AQI Trend (Median)

Air Quality Days by Category

Annual Summary

YearMedian AQIMax AQI Good DaysModerate DaysUnhealthy Days Ozone DaysPM2.5 Days
2024 40 87221160 2370
2023 40 97220250 2450
2022 40 74224210 2450
2021 40 77219240 2430
2020 34 5024300 2430
2019 42 74214290 2430
2018 39 93209350 2440
2017 42 90209300 2390
2016 43 90180340 2140
2015 42 97173340 2070

Recent Daily AQI

DateAQICategoryPrimary Pollutant
Nov 3, 2024 36 GoodOzone
Nov 2, 2024 32 GoodOzone
Nov 1, 2024 25 GoodOzone
Oct 31, 2024 39 GoodOzone
Oct 30, 2024 36 GoodOzone
Oct 29, 2024 43 GoodOzone
Oct 28, 2024 35 GoodOzone
Oct 27, 2024 33 GoodOzone
Oct 26, 2024 45 GoodOzone
Oct 25, 2024 48 GoodOzone
Oct 24, 2024 46 GoodOzone
Oct 23, 2024 43 GoodOzone
Oct 22, 2024 48 GoodOzone
Oct 21, 2024 39 GoodOzone
Oct 20, 2024 38 GoodOzone
Oct 19, 2024 38 GoodOzone
Oct 18, 2024 38 GoodOzone
Oct 17, 2024 35 GoodOzone
Oct 16, 2024 30 GoodOzone
Oct 15, 2024 31 GoodOzone
Oct 14, 2024 39 GoodOzone
Oct 13, 2024 44 GoodOzone
Oct 12, 2024 41 GoodOzone
Oct 11, 2024 41 GoodOzone
Oct 10, 2024 39 GoodOzone
Oct 9, 2024 42 GoodOzone
Oct 8, 2024 40 GoodOzone
Sep 26, 2024 31 GoodOzone
Sep 25, 2024 29 GoodOzone
Sep 24, 2024 26 GoodOzone
Sep 23, 2024 30 GoodOzone
Sep 22, 2024 41 GoodOzone
Sep 21, 2024 41 GoodOzone
Sep 20, 2024 32 GoodOzone
Sep 19, 2024 26 GoodOzone
Sep 18, 2024 22 GoodOzone
Sep 17, 2024 29 GoodOzone
Sep 16, 2024 32 GoodOzone
Sep 15, 2024 30 GoodOzone
Sep 14, 2024 31 GoodOzone
Sep 13, 2024 31 GoodOzone
Sep 12, 2024 47 GoodOzone
Sep 11, 2024 48 GoodOzone
Sep 10, 2024 42 GoodOzone
Sep 9, 2024 37 GoodOzone
Sep 8, 2024 34 GoodOzone
Sep 7, 2024 35 GoodOzone
Sep 6, 2024 40 GoodOzone
Sep 5, 2024 34 GoodOzone
Sep 4, 2024 36 GoodOzone
Sep 3, 2024 32 GoodOzone
Sep 2, 2024 34 GoodOzone
Sep 1, 2024 33 GoodOzone
Aug 31, 2024 43 GoodOzone
Aug 30, 2024 42 GoodOzone
Aug 29, 2024 50 GoodOzone
Aug 28, 2024 50 GoodOzone
Aug 27, 2024 49 GoodOzone
Aug 26, 2024 49 GoodOzone
Aug 25, 2024 45 GoodOzone
Aug 24, 2024 44 GoodOzone
Aug 23, 2024 46 GoodOzone
Aug 22, 2024 49 GoodOzone
Aug 21, 2024 39 GoodOzone
Aug 20, 2024 37 GoodOzone
Aug 19, 2024 33 GoodOzone
Aug 18, 2024 38 GoodOzone
Aug 17, 2024 34 GoodOzone
Aug 16, 2024 34 GoodOzone
Aug 15, 2024 44 GoodOzone
Aug 14, 2024 37 GoodOzone
Aug 13, 2024 30 GoodOzone
Aug 12, 2024 38 GoodOzone
Aug 11, 2024 35 GoodOzone
Aug 10, 2024 39 GoodOzone
Aug 9, 2024 31 GoodOzone
Aug 8, 2024 34 GoodOzone
Aug 7, 2024 24 GoodOzone
Aug 6, 2024 24 GoodOzone
Aug 5, 2024 39 GoodOzone
Aug 4, 2024 40 GoodOzone
Aug 3, 2024 33 GoodOzone
Aug 2, 2024 31 GoodOzone
Aug 1, 2024 39 GoodOzone
Jul 31, 2024 41 GoodOzone
Jul 30, 2024 37 GoodOzone
Jul 29, 2024 29 GoodOzone
Jul 28, 2024 38 GoodOzone
Jul 27, 2024 41 GoodOzone
Jul 26, 2024 39 GoodOzone

Monitoring Stations

Lenoir (city)
Lenoir
Est. 1981-01-01
35.9359, -81.5306

Frequently Asked Questions

What is the air quality in Caldwell, North Carolina?

Based on EPA data from 2024, Caldwell has a median Air Quality Index (AQI) of 40, which is classified as "Good." The primary pollutant is Ozone. Over the past 10 years, air quality has been stable.

Is Caldwell a good place to live for air quality?

Caldwell has a 10-year average median AQI of 40. In 2024, there were 221 days with "Good" air quality and 0 days with unhealthy conditions. No special precautions are needed for most people.

What pollutants affect Caldwell the most?

The primary pollutant driving the AQI in Caldwell is Ozone. This is monitored by 1 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 Caldwell?

There are 1 active EPA monitoring stations in Caldwell, North Carolina. These stations continuously measure pollutant levels and contribute to the daily AQI calculations.