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Danbury Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-08-06 01:40:22 AM (Local Time)

location image
Live AQI
86(AQI-US)
Air Quality is
Moderate
pm10 :  41 µg/m³
PM2.5 :  28 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Danbury
mist

19 °C

Mist
Humidity
Humidity90 %

Wind Speed
Wind Speed4 km/h

UV Index
UV Index0
Last Updated: 2025-08-06 01:40:22 AM (Local Time)


Map

Danbury

Major Air Pollutants

Danbury

AQI Graph

Historical Air Quality Data

Danbury

Danbury
AQI
.
05-08-2025Time06-08-2025
86
Min.at 1:09 AM on 6th Aug
119
Max.at 2:09 PM on 5th Aug

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Danbury, Connecticut, United States

Year
.
AQI


Annual AQI Trends

2020
33AQI
2021
32AQI
-3%
Fall
2022
29AQI
-9%
Fall
2023
33AQI
14%
Rise
2024
28AQI
-15%
Fall
2025
33AQI
18%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
1%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedAugust, 202567AQI

Least PollutedMarch, 202421AQI

* This data analysis is from year 2020 - 2025

Danbury's Locations

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Moderate
86
28
41
20
88
Moderate
86
28
41
20
88

United States's Metro Cities

Air Quality Index

Health Advice For People Living In

Danbury

1.6Cigarettes per day

Cigarette
Weekly 11.2 Cigarettes
Monthly 48 Cigarettes

Breathing the air in this location is as harmful as smoking 1.6 cigarettes a day.

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

Danbury

  • asthma due to air pollution in DanburyAsthma
  • heart due to air pollution in DanburyHeart Issues
  • allergy due to air pollution in DanburyAllergies
  • sinus due to air pollution in DanburySinus
  • flu due to air pollution in DanburyCold/Flu
  • copd due to air pollution in DanburyChronic (COPD)
asthma due to air pollution in Danbury

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.

Danbury's AQI Data Analytics Solutions

Air quality data monitoring platforms

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aqi air quality app for Danbury
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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 Danbury

Frequently Asked Questions About Air Quality

What is the current AQI level in Danbury?

The current real-time AQI level in Danbury is 86 (Moderate). This was last updated 2025-08-06 01:40:22 AM (Local Time).

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

The best AQI level was 86 (Moderate) at 1:09 AM (Local Time) during the last 24 hours.

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

The worst AQI level was 119 (Poor) at 2:09 PM, Aug 5, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in Danbury have been fluctuating throughout the last 24 hours. The levels have increased by highest 119 at 2:09 PM, Aug 5, 2025 (Local Time), lowest 86 at 1:09 AM (Local Time).

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

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