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Fort Griswold Battlefield State Park Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2026-07-17 08:31 (Local Time)

Live AQI

121AQI (US)

Air Quality is

Poor

PM2.5 : 44 µg/m³

pm10 : 64 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

21 °C

Last Updated: 2026-07-17 08:31 (Local Time)

Rank132^nd

Currently, Groton ranks 132^nd among the most polluted cities globally.

Map

Fort Griswold Battlefield State Park

Major Air Pollutants
Fort Griswold Battlefield State Park

Particulate Matter(PM₂.₅)

44µg/m³

Particulate Matter(PM₁₀)

64µg/m³

Carbon Monoxide(CO)

194ppb

Sulfur Dioxide(SO₂)

2ppb

Nitrogen Dioxide(NO₂)

13ppb

Ozone(O₃)

15ppb

AQI Graph

Historical Air Quality Data
Fort Griswold Battlefield State Park

24 Hours

AQI (US)

Fort Griswold Battlefield State Park

AQI (US)

16-07-2026Time17-07-2026

Time	Fort Griswold Battlefield State Park
8:31am	46
9:01am	26
9:31am	46
10:01am	27
10:31am	52
11:01am	27
11:31am	38
12:01pm	30
12:31pm	33
1:01pm	33
1:31pm	46
2:01pm	29
2:31pm	33
3:01pm	32
3:31pm	88
4:01pm	35
4:31pm	104
5:01pm	44
5:31pm	41
6:01pm	42
6:31pm	40
7:01pm	72
7:31pm	82
8:01pm	86
8:31pm	96
9:01pm	84
9:31pm	94
10:01pm	92
10:31pm	92
11:01pm	80
11:31pm	82
12:01am	79
12:31am	152
1:01am	86
1:31am	97
2:01am	86
2:31am	101
3:01am	86
3:31am	119
4:01am	89
4:31am	97
5:01am	158
5:31am	152
6:01am	153
6:31am	150
7:01am	129
7:31am	129
8:01am	124
8:31am	121

Min. AQI (US)9:01am

158

Max. AQI (US)5:01am

Want air quality data?

AQI (US) Trends - Annual Air Quality Changes
Fort Griswold Battlefield State Park, Groton, Connecticut, United States

AQI (US)

United States's Metro Cities
Air Quality Index

Chicago

312

Los Angeles

Minneapolis

Nashville

New Orleans

New York City

San Francisco

Washington

213

temp.26°C

hum.54%

Air Quality Calendar 2026
Fort Griswold Battlefield State Park

2026

AQI (US)

Health Advice For People Living In
Fort Griswold Battlefield State Park

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 (US)

Air PurifierTurn On

Car FilterMust

N95 MaskMust

Stay IndoorMust

Prevent Health Problems: Understand Your Risks

Fort Griswold Battlefield State Park

Asthma

Heart Issues

Allergies

Sinus

Cold/Flu

Chronic (COPD)

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 2026
United States

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

Most Polluted Cities Live Ranking 2026

World's Most PollutedCity Rankings (2025)

World's Most PollutedCountry Rankings(2025)

RankCityAQI Status

Standard Value

New Albany, Ohio

Hazardous

14xabove Standard

Shorewood, Wisconsin

Hazardous

18xabove Standard

Cicero, Illinois

Hazardous

17xabove Standard

Columbus, Ohio

Hazardous

18xabove Standard

Hammond, Indiana

Hazardous

18xabove Standard

Portage, Indiana

Hazardous

18xabove Standard

Toledo, Ohio

Hazardous

18xabove Standard

Greendale, Wisconsin

Hazardous

18xabove Standard

Waukesha, Wisconsin

Hazardous

17xabove Standard

10.

Chicago, Illinois

Hazardous

16xabove Standard

Last Updated: 17 Jul 2026, 12:36 PM

AQI City Rankings

Air Quality Solutions For Fort Griswold Battlefield State Park
Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

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Car Cabin Filter

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N95 Mask

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Prana Air offers the solutions of air quality monitoring and clean air machine for Fort Griswold Battlefield State Park

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

Air Quality Solutions For Smart City

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Air Quality Solutions for Schools | Institutes

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Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

Air Quality Solutions for RMC Plants

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Air Quality Solutions for Fitness Center

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Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

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Air Quality Solutions for Banks

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Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

Air Quality Solutions For Real Estates

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Fort Griswold Battlefield State Park's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Air Quality FAQs
at Fort Griswold Battlefield State Park

Frequently Asked Questions About Air Quality

1. What is the current AQI (US) level in Fort Griswold Battlefield State Park?

The current real-time AQI (US) level in Fort Griswold Battlefield State Park is 121 (Poor). This was last updated 2026-07-17 08:31 (Local Time).

2. When was the best AQI (US) level in Fort Griswold Battlefield State Park in the last 24 hours?

The best AQI (US) level was 26 (Good) at 9:01 AM, Jul 16, 2026 (Local Time) during the last 24 hours.

3. When was the worst AQI (US) level in Fort Griswold Battlefield State Park in the last 24 hours?

The worst AQI (US) level was 158 (Unhealthy) at 5:01 AM (Local Time) during the last 24 hours.

4. What is the current trend of AQI (US) levels in Fort Griswold Battlefield State Park during last 24 hours?

The AQI (US) levels in Fort Griswold Battlefield State Park have been fluctuating throughout the last 24 hours. The levels have increased by highest 158 at 5:01 AM (Local Time), lowest 26 at 9:01 AM, Jul 16, 2026 (Local Time).

5. What actions are recommended as per the current AQI (US) level in Fort Griswold Battlefield State Park?

Current AQI (US) levels are unhealthy for Sensitive individuals, they should reduce prolonged or heavy outdoor exertion.

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Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

Pocket PM

Air Quality Monitor

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Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

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Fort Griswold Battlefield State Park Air Quality Index (AQI) | Air Pollution

Major Air PollutantsFort Griswold Battlefield State Park

Historical Air Quality DataFort Griswold Battlefield State Park

AQI (US) Trends - Annual Air Quality ChangesFort Griswold Battlefield State Park, Groton, Connecticut, United States

United States's Metro CitiesAir Quality Index

Air Quality Calendar 2026Fort Griswold Battlefield State Park

Health Advice For People Living InFort Griswold Battlefield State Park

Solutions for Current AQI (US)

Prevent Health Problems: Understand Your Risks

Asthma

Heart Issues

Allergies

Sinus

Cold/Flu

Chronic (COPD)

Most Polluted Cities 2026United States

Air Quality Solutions For Fort Griswold Battlefield State ParkExplore the solutions of air quality monitoring & clean air.

Fort Griswold Battlefield State Park's AQI Data Analytics SolutionsAir quality data monitoring platforms

Air Quality FAQsat Fort Griswold Battlefield State Park

Recent AQI BlogsRead the latest news

Prana Sense

Pocket PM

Cair +

Major Air Pollutants
Fort Griswold Battlefield State Park

Historical Air Quality Data
Fort Griswold Battlefield State Park

AQI (US) Trends - Annual Air Quality Changes
Fort Griswold Battlefield State Park, Groton, Connecticut, United States

United States's Metro Cities
Air Quality Index

Air Quality Calendar 2026
Fort Griswold Battlefield State Park

Health Advice For People Living In
Fort Griswold Battlefield State Park

Most Polluted Cities 2026
United States

Air Quality Solutions For Fort Griswold Battlefield State Park
Explore the solutions of air quality monitoring & clean air.

Fort Griswold Battlefield State Park's AQI Data Analytics Solutions
Air quality data monitoring platforms

Air Quality FAQs
at Fort Griswold Battlefield State Park

Recent AQI Blogs
Read the latest news