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Live air quality index in Hartford, Wisconsin today

Stay updated with real-time air quality in Hartford, Wisconsin featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

67

Moderate

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Hartford, Wisconsin

Last updated: ... (Local time)

Major air pollutants in Hartford, Wisconsin

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

17.52 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

33.29 μg/m³

0

55

155

255

425

605+

Ozone (O3)

44.39 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

1.85 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

5.56 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.59 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Hartford, Wisconsin air quality map: Stay updated on AQI near you




How accurate is Wisconsin, USA air quality data?

Air quality and pollutant data for Wisconsin, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.


Frequently asked questions

How often is air quality information updated for Hartford, Wisconsin?

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The air quality information for Hartford, Wisconsin is updated every hour for accuracy.


What time in the last 24 hours was the air quality in Hartford, Wisconsin at its worst?

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In the past 24 hours, the air quality in Hartford, Wisconsin was at its worst at 06:00:00 on 2025-07-21.


When did Hartford, Wisconsin experience the best air quality in the last 24 hours?

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In the last 24 hours, the best air quality in Hartford, Wisconsin was observed at 03:00:00 on 2025-07-22.


What is the AQI in Hartford, Wisconsin right now?

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As of now, the AQI in Hartford, Wisconsin is 69, indicating Moderate conditions.


What is the most common type of pollution in Hartford, Wisconsin?

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Hartford, Wisconsin air has the highest levels of PM2.5.


What should I do in case of poor air quality in Hartford, Wisconsin?

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Poor air quality in Hartford, Wisconsin means it's advisable to stay indoors and wear a mask for your protection.


What is the PM2.5 level in Hartford, Wisconsin at the moment?

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PM2.5 levels in Hartford, Wisconsin are currently 18.504 μg/m3.


What is the PM10 level in Hartford, Wisconsin at the moment?

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The PM10 concentration in Hartford, Wisconsin is 49.342 μg/m3 at the moment.


What is the carbon monoxide (CO) level in Hartford, Wisconsin at the moment?

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The current carbon monoxide (CO) concentration in Hartford, Wisconsin is 0.179 ppm.


What is the sulfur dioxide (SO2) level in Hartford, Wisconsin at the moment?

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Currently, Hartford, Wisconsin has a sulfur dioxide (SO2) concentration of 1.016 ppb.


What is the ozone (O3) level in Hartford, Wisconsin at the moment?

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The current ozone (O3) level in Hartford, Wisconsin at the moment is 41.724 ppm.


What is the nitrogen dioxide (NO2) level in Hartford, Wisconsin at the moment?

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Nitrogen dioxide (NO2) level in Hartford, Wisconsin at the moment is 2.266 ppb.


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