AQIFinder.com
Track Air Quality & Weather in Real Time

AQI & Weather Dashboard — Free Union, VA (22940)

Rendered: 2026-07-31 18:47:30 — Live data loading from Open-Meteo API...

Air Quality Index

--

Temperature

--°C
Real-time Temp

Humidity

--%
Relative humidity

Wind

-- km/h
Wind Speed

Pollutants

Good
Moderate
USG
Unhealthy
Very Unhealthy
Hazard

Location Map

38.20559, -78.59705

7-Day Forecast

Full Weather for Free Union

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 Free Union, VA

Get real-time updates on air quality in Free Union (22940), 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 Free Union, VA. 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 Free Union

Air quality in Free Union, VA 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 Free Union helps filter airborne dust, allergens, pollen, and dangerous fine particles.

Environmental & Demographic Profile — Free Union, VA (22940)

The ZIP code 22940 is situated in Free Union, located within Albemarle County, VA. According to US Census estimates, the 22940 postal code serves an estimated population of 935 residents across an area with a population density of 10.3 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.

Free Union 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: Albemarle County
  • Coordinates: 38.2056, -78.5971
  • Timezone: America/New_York
  • Associated Regions: Albemarle, Greene

Frequently Asked Questions About Free Union Air Quality

What is the primary air pollutant in Free Union, VA?

The primary pollutants continuously monitored in Free Union 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 Free Union (22940)?

Outdoor exercise safety in Free Union 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 22940?

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.