Air Quality (AQI) & Weather in College Park, MD (20742)

Q: What is the primary air pollutant in College Park, MD?

The primary air pollutants monitored in College Park include Fine Particulate Matter (PM2.5), Coarse Particulate Matter (PM10), Ground-level Ozone (O3), Carbon Monoxide (CO), Nitrogen Dioxide (NO2), and Sulfur Dioxide (SO2).

Air Quality Index

Temperature

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Real-time Temp

Humidity

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Relative humidity

Wind

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Wind Speed

Pollutants

Good

Moderate

USG

Unhealthy

Very Unhealthy

Hazard

Location Map

38.99422, -76.94347

7-Day Forecast

Full Weather for College Park

Past 30 Days — AQI History

Health Advice

Loading recommendations...

Recommendations are indicative. Consult local advisories if you have underlying health concerns.

About Air Quality in College Park, MD

Get real-time updates on air quality in College Park (20742), including detailed metrics for key pollutants like PM2.5, PM10, Ozone (O₃), Carbon Monoxide (CO), Nitrogen Dioxide (NO₂), and Sulfur Dioxide (SO₂).

This dashboard presents live Air Quality Index (AQI) calculations alongside a 7-day weather forecast for College Park, MD. Monitor changing pollution levels, relative humidity, wind speeds, and temperature trends to plan safer outdoor activities for your family.

Understanding AQI Ratings

The standard US Air Quality Index (AQI) runs from 0 to 500. Higher values indicate higher levels of air pollution:

0–50 (Good): Air quality is satisfactory; minimal risk.
51–100 (Moderate): Acceptable; slight concern for sensitive people.
101–150 (USG): Sensitive groups may experience health effects.
151–200 (Unhealthy): General public may begin to feel effects.
201–300 (Very Unhealthy): Health alert; increased risk for everyone.

Air Pollution Prevention & Health Tips for College Park

Air quality in College Park, MD fluctuates based on weather patterns, traffic volume, seasonal industrial output, and atmospheric conditions.

Outdoor Mask Protection

During high PM2.5 pollution spikes (AQI > 150), standard surgical masks are insufficient. N95 or KN95 respirators are recommended for effective filtering.

Indoor Air Purifiers

Using True HEPA air purifiers inside homes and offices in College Park helps filter airborne dust, allergens, pollen, and dangerous fine particles.

Environmental & Demographic Profile — College Park, MD (20742)

The ZIP code 20742 is situated in College Park, located within Prince George's County, MD. According to US Census estimates, the 20742 postal code serves an estimated population of 4,324 residents across an area with a population density of 5,177.9 people per square mile. Operating under the America/New York timezone, local atmospheric telemetry in this area is monitored continuously via nearby regional monitoring stations.

College Park is categorized as a densely populated urban core. Higher local traffic volume, commercial activity, and building density mean microclimate factors can lead to localized particulate accumulation during stagnation periods.

Geographic & Administrative Details

County: Prince George's County
Coordinates: 38.9942, -76.9435
Timezone: America/New_York
Associated Regions: Prince George's

Frequently Asked Questions About College Park Air Quality

What is the primary air pollutant in College Park, MD?

The primary pollutants continuously monitored in College Park include Fine Particulate Matter (PM2.5), Coarse Particulate Matter (PM10), Ground-level Ozone (O₃), Carbon Monoxide (CO), Nitrogen Dioxide (NO₂), and Sulfur Dioxide (SO₂).

Is it safe to exercise outdoors today in College Park (20742)?

Outdoor exercise safety in College Park depends on the real-time Air Quality Index (AQI). An AQI between 0 and 50 is ideal for all outdoor activities. If the index rises above 100, sensitive individuals should reduce prolonged outdoor exertion.

How often is the air quality data updated for ZIP code 20742?

Air quality observations and weather metrics on this page are updated in real-time using continuous telemetry from local satellite feeds and ground station monitors.