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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: 2026-07-18 03:21 (Local Time)

location image
Live AQI
58AQI (US)
Air Quality is
Moderate
PM2.5 :  16 µg/m³
pm10 :  25 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Fort Griswold Battlefield State Park
clear

17 °C

Clear
Humidity
Humidity97 %
Wind Speed
Wind Speed5.8 km/h
UV Index
UV Index0
Last Updated: 2026-07-18 03:21 (Local Time)
Rank721st

Currently, Groton ranks 721st among the cities with the highest AQI levels in the world.

Map

Fort Griswold Battlefield State Park

Major Air Pollutants

Fort Griswold Battlefield State Park

PM₂.₅'s Icon

Particulate Matter(PM₂.₅)

16µg/m³

PM₁₀'s Icon

Particulate Matter(PM₁₀)

25µg/m³

CO's Icon

Carbon Monoxide(CO)

186ppb

SO₂'s Icon

Sulfur Dioxide(SO₂)

2ppb

NO₂'s Icon

Nitrogen Dioxide(NO₂)

13ppb

O₃'s Icon

Ozone(O₃)

30ppb

AQI Graph

Historical Air Quality Data

Fort Griswold Battlefield State Park

24 Hours
AQI (US)
Fort Griswold Battlefield State Park
AQI (US)
.
17-07-2026Time18-07-2026
25
Min. AQI (US)6:01pm
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 City AQI

Chicago

48

temp.27°C
hum.74%
Los Angeles City AQI

Los Angeles

47

temp.22°C
hum.81%
Minneapolis City AQI

Minneapolis

75

temp.27°C
hum.67%
Nashville City AQI

Nashville

33

temp.22°C
hum.97%
New Orleans City AQI

New Orleans

60

temp.27°C
hum.94%
New York City City AQI

New York City

64

temp.23°C
hum.74%
San Francisco City AQI

San Francisco

52

temp.15°C
hum.83%
Washington City AQI

Washington

160

temp.27°C
hum.71%

Air Quality Calendar 2026

Fort Griswold Battlefield State Park

2026
AQI (US)
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

Fort Griswold Battlefield State Park

1Cigarettes per day

Cigarette
Weekly 7 Cigarettes
Monthly 30 Cigarettes

Breathing the air in this location is as harmful as smoking 1 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 (US)

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

Prevent Health Problems: Understand Your Risks

Fort Griswold Battlefield State Park

asthma due to air pollution in Fort Griswold Battlefield State ParkAsthma
heart due to air pollution in Fort Griswold Battlefield State ParkHeart Issues
allergy due to air pollution in Fort Griswold Battlefield State ParkAllergies
sinus due to air pollution in Fort Griswold Battlefield State ParkSinus
flu due to air pollution in Fort Griswold Battlefield State ParkCold/Flu
copd due to air pollution in Fort Griswold Battlefield State ParkChronic (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

Follow

1.

Steubenville, Ohio

228

Severe

12xabove Standard

2.

Warrensville Heights, Ohio

212

Severe

11xabove Standard

3.

Cleveland, Ohio

200

Unhealthy

10xabove Standard

4.

Akron, Ohio

192

Unhealthy

9xabove Standard

5.

Beaver, Pennsylvania

192

Unhealthy

9xabove Standard

6.

Canton, Ohio

188

Unhealthy

8xabove Standard

7.

Gainesville, Virginia

183

Unhealthy

8xabove Standard

8.

Painesville, Ohio

180

Unhealthy

7xabove Standard

9.

Warren, Ohio

180

Unhealthy

7xabove Standard

10.

Youngstown, Ohio

178

Unhealthy

7xabove Standard

Last Updated: 18 Jul 2026, 07:29 AM

AQI City Rankings

Air Quality Solutions For Fort Griswold Battlefield State Park

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Fresh Air Machine

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Car Cabin Filter

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N95 Mask

N95 Mask

Shield yourself from pollution
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Air Quality Solutions for Cinema

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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 AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets

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 58 (Moderate). This was last updated 2026-07-18 03:21 (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 25 (Good) at 6:01 PM, Jul 17, 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, Jul 17, 2026 (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, Jul 17, 2026 (Local Time), lowest 25 at 6:01 PM, Jul 17, 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 acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.

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