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Live air quality index in Rapid City, South Dakota today

Stay updated with real-time air quality in Rapid City, South Dakota 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)

21

Good

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Rapid City, South Dakota

Last updated: ... (Local time)

Major air pollutants in Rapid City, South Dakota

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

1.40 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

5.99 μg/m³

0

55

155

255

425

605+

Ozone (O3)

23.04 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

1.40 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

1.81 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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Rapid City, South Dakota

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Rapid City, South Dakota air quality map: Track AQI near you




How accurate is South Dakota, USA air quality data?

Air quality data and pollutant measurements for South Dakota, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.


Frequently asked questions

How often is the air quality data for Rapid City, South Dakota updated?

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The air quality for Rapid City, South Dakota is updated every hour.


When was the worst air quality at Rapid City, South Dakota in the last 24 hrs?

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The worst air quality in Rapid City, South Dakota in the last 24 hours was observed at 11:00:00 on 2025-06-05.


When was the best air quality at Rapid City, South Dakota in the last 24 hrs?

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In the last 24 hrs, the best air quality in Rapid City, South Dakota was observed at 12:00:00 on 2025-06-05.


What is the current air quality in Rapid City, South Dakota?

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The current air quality in Rapid City, South Dakota is 21, categorized as Good based on real-time data.


What pollutant is the most common in Rapid City, South Dakota?

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The most common pollutant in Rapid City, South Dakota is O3.


What should I do if the air quality in Rapid City, South Dakota is poor?

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If the air quality in Rapid City, South Dakota is poor, consider staying indoors and wearing a mask to protect yourself.


What is the current concentration of PM2.5 in Rapid City, South Dakota?

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The current PM2.5 concentration at Rapid City, South Dakota is 1.401 μg/m3.


What is the current concentration of PM10 in Rapid City, South Dakota?

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The current PM10 concentration at Rapid City, South Dakota is 5.994 μg/m3.


What is the current concentration of carbon monoxide (CO) in Rapid City, South Dakota?

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The current carbon monoxide (CO) concentration at Rapid City, South Dakota is 0.214 ppm.


What is the current concentration of sulfur dioxide (SO2) in Rapid City, South Dakota?

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The current sulfur dioxide (SO2) concentration at Rapid City, South Dakota is 1.402 ppb.


What is the current concentration of ozone (O3) in Rapid City, South Dakota?

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The current ozone (O3) concentration at Rapid City, South Dakota is 23.037 ppm.


What is the current concentration of nitrogen dioxide (NO2) in Rapid City, South Dakota?

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The current nitrogen dioxide (NO2) concentration at Rapid City, South Dakota is 1.809 ppb.


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