Live

Ladue Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Clayton

Last Updated: 30 Sep 2025, 09:28am (Local Time)

location image
Live AQI
62(AQI-US)
Air Quality is
Moderate
pm10 :  49 µg/m³
PM2.5 :  15 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Ladue
sunny

19 °C

Sunny
Humidity
Humidity81 %

Wind Speed
Wind Speed4 km/h

UV Index
UV Index1
Last Updated: 30 Sep 2025, 09:28am (Local Time)


Map

Ladue

Major Air Pollutants

Ladue

AQI Graph

Historical Air Quality Data

Ladue

Ladue
AQI
.
29-09-2025Time30-09-2025
35
Min.at 7:04 PM on 29th Sep
89
Max.at 11:04 AM on 29th Sep

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Ladue, Clayton, Missouri, United States

Year
.
AQI


Annual AQI Trends

2020
29AQI
2021
29AQI
0%
No Change
2022
29AQI
0%
No Change
2023
32AQI
10%
Rise
2024
27AQI
-16%
Fall
2025
34AQI
26%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
4%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJune, 202350AQI

Least PollutedMay, 202018AQI

* This data analysis is from year 2020 - 2025

United States's Metro Cities

Air Quality Index

Health Advice For People Living In

Ladue

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust


Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Ladue

  • asthma due to air pollution in LadueAsthma
  • heart due to air pollution in LadueHeart Issues
  • allergy due to air pollution in LadueAllergies
  • sinus due to air pollution in LadueSinus
  • flu due to air pollution in LadueCold/Flu
  • copd due to air pollution in LadueChronic (COPD)
asthma due to air pollution in Ladue

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

  • Limit outdoor activities when AQI is poor.

  • Clean indoor air with an air purifier to reduce exposure.

  • Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

  • Exercise outdoors without a mask.

  • Stay in smoky areas with strong fumes.

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2025

United States

Analyze the real-time most air polluted cities in the country.

Ladue's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Ladue
Mobile App

Empower Your Decisions with Reliable Data

Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.


Personalized health advice as per current AQI.

Personalized health advice as per current AQI.


Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.


Connect and control your air quality devices.

Connect and control your air quality devices.


Air Quality FAQs

at Ladue

Frequently Asked Questions About Air Quality

What is the current AQI level in Ladue?

The current real-time AQI level in Ladue is 62 (Moderate). This was last updated 30 Sep 2025, 09:28am (Local Time).

When was the best AQI level in Ladue in the last 24 hours?

The best AQI level was 35 (Good) at 7:04 PM, Sep 29, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in Ladue in the last 24 hours?

The worst AQI level was 89 (Moderate) at 11:04 AM, Sep 29, 2025 (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Ladue during last 24 hours?

The AQI levels in Ladue have been fluctuating throughout the last 24 hours. The levels have increased by highest 89 at 11:04 AM, Sep 29, 2025 (Local Time), lowest 35 at 7:04 PM, Sep 29, 2025 (Local Time).

What actions are recommended as per the current AQI level in Ladue?

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.