Air Quality (AQI) & Weather in Forest Hill, MD (21050)

Q: What is the primary air pollutant in Forest Hill, MD?

The primary air pollutants monitored in Forest Hill 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

39.58569, -76.39228

7-Day Forecast

Full Weather for Forest Hill

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 Forest Hill, MD

Get real-time updates on air quality in Forest Hill (21050), 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 Forest Hill, 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 Forest Hill

Air quality in Forest Hill, 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 Forest Hill helps filter airborne dust, allergens, pollen, and dangerous fine particles.

Environmental & Demographic Profile — Forest Hill, MD (21050)

The ZIP code 21050 is situated in Forest Hill, located within Harford County, MD. According to US Census estimates, the 21050 postal code serves an estimated population of 17,848 residents across an area with a population density of 237.6 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.

Forest Hill is categorized as a low-density or regional geographic area. Lower industrial activity generally reduces localized vehicular pollution, though ambient air quality can still be impacted by agricultural particulate matter, regional wind currents, or seasonal meteorological activity.

Geographic & Administrative Details

County: Harford County
Coordinates: 39.5857, -76.3923
Timezone: America/New_York
Associated Regions: Harford

Frequently Asked Questions About Forest Hill Air Quality

What is the primary air pollutant in Forest Hill, MD?

The primary pollutants continuously monitored in Forest Hill 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 Forest Hill (21050)?

Outdoor exercise safety in Forest Hill 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 21050?

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.