Rendered: 2026-07-31 03:05:12 — Live data loading from Open-Meteo API...
Recommendations are indicative. Consult local advisories if you have underlying health concerns.
Get real-time updates on air quality in Bethesda (20894), 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 Bethesda, MD. Monitor changing pollution levels, relative humidity, wind speeds, and temperature trends to plan safer outdoor activities for your family.
The standard US Air Quality Index (AQI) runs from 0 to 500. Higher values indicate higher levels of air pollution:
The ZIP code 20894 is situated in Bethesda, located within Montgomery County, Maryland (MD). The postal code 20894 covers parts of Montgomery County within Maryland. Operating under the America/New York timezone, local atmospheric telemetry in this area is monitored continuously via nearby regional monitoring stations.
Bethesda is categorized as a low-density rural or semi-rural location. Lower industrial emissions generally reduce localized vehicular pollution, though ambient air quality can still be impacted by agricultural particulate matter or regional wind currents.
The primary pollutants continuously monitored in Bethesda include Fine Particulate Matter (PM2.5), Coarse Particulate Matter (PM10), Ground-level Ozone (O₃), Carbon Monoxide (CO), Nitrogen Dioxide (NO₂), and Sulfur Dioxide (SO₂).
Outdoor exercise safety in Bethesda 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.
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.