Today | Weather | Sunday, November 1, 2026

Weather in Rockville, Maryland

11:36 PM
Today
Cloudy Night
Day 63°
Night 43°
Precipitation 0 %
Wind 2 mph

Rockville Weather Forecast Updated

42 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 1, 2025)
Cloudy Weather

Day

63°

Night

41°

Wind

9 mph

UV Index

3

Precipitation

0 %

Air Quality in Rockville

NOW
25 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 5.91 µg/m³
PM10 7.7 µg/m³
O3 0.017 ppm
NO2 6.3 ppb
SO2 0.1 ppb
CO 0.19 ppm
NH3 0.76 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 5.91 µg/m³
PM10 – 7.7 µg/m³
O3 – 34 µg/m³
NO2 – 11.9 µg/m³
SO2 – 0.18 µg/m³
CO – 214.81 µg/m³
NH3 – 0.76 µg/m³
NO – 0 µg/m³