Air Quality (AQI) & Weather in Billerica, MA (1821)

Q: What is the primary air pollutant in Billerica, MA?

The primary air pollutants monitored in Billerica 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

42.54999, -71.25206

7-Day Forecast

Full Weather for Billerica

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 Billerica, MA

Get real-time updates on air quality in Billerica (1821), 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 Billerica, MA. 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 Billerica

Air quality in Billerica, MA 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 Billerica helps filter airborne dust, allergens, pollen, and dangerous fine particles.

Environmental & Demographic Profile — Billerica, MA (1821)

The ZIP code 1821 is situated in Billerica, located within Middlesex County, MA. According to US Census estimates, the 1821 postal code serves an estimated population of 30,203 residents across an area with a population density of 702.8 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.

Billerica is categorized as a moderately populated suburban region. Suburban atmospheric profiles in this region often reflect regional air transport alongside seasonal domestic heating or commuter vehicle activity.

Geographic & Administrative Details

County: Middlesex County
Coordinates: 42.5500, -71.2521
Timezone: America/New_York
Associated Regions: Middlesex

Frequently Asked Questions About Billerica Air Quality

What is the primary air pollutant in Billerica, MA?

The primary pollutants continuously monitored in Billerica 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 Billerica (1821)?

Outdoor exercise safety in Billerica 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 1821?

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.