AIR QUALITY DC

Air Quality in Washington Navy Yard, DC: Moderate (68 AQI)

AQI 68 · Moderate · Ozone · Updated 2026-07-18

Washington Navy Yard's air quality is moderate. Unusually sensitive people should consider reducing prolonged outdoor exertion.

Data: EPA AirNow, FEMA National Risk Index Last verified: 2026-07-18

Average AQI

Moderate

AQI Category

Unhealthy Days

Wildfire Risk

Mold Score

ZIP Codes

What is AQI?

The Air Quality Index (AQI) is a standardized scale from 0 to 500 that measures air pollution levels. 0-50 is "Good," 51-100 is "Moderate," 101-150 is "Unhealthy for Sensitive Groups," and above 150 is "Unhealthy" for everyone. AQI tracks five major pollutants: ground-level ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide. Washington Navy Yard's average AQI of 68 falls in the "Moderate" range.

Air Quality Map: Washington Navy Yard, DC

Each dot represents a ZIP code. Color indicates AQI level. Tap a dot for details.

Good (0-50) Moderate (51-100) USG (101-150) Unhealthy (151+)

Air Quality by ZIP Code in Washington Navy Yard

AQI varies across Washington Navy Yard's 5 ZIP codes based on proximity to pollution sources and local geography.

ZIP Code	AQI	Category	Wildfire	Mold
20374	68	Moderate	10	34	View report →
20376	68	Moderate	10	34	View report →
20388	68	Moderate	10	34	View report →
20391	68	Moderate	10	34	View report →
20398	68	Moderate	10	34	View report →

Air Quality Overview

Washington Navy Yard, District of Columbia has moderate air quality with an average AQI of 68. Air quality is acceptable, though some pollutants may be a concern for a small number of people who are unusually sensitive to air pollution. The dominant pollutant is Ozone.

The Air Quality Index (AQI) is an EPA-standardized scale from 0 to 500. Values below 50 are "Good," 51-100 "Moderate," 101-150 "Unhealthy for Sensitive Groups," 151-200 "Unhealthy," 201-300 "Very Unhealthy," and above 300 "Hazardous."

Dominant Pollutant: Ozone

Ground-level ozone forms when pollutants from cars, power plants, and industrial facilities react with sunlight. Unlike stratospheric ozone, ground-level ozone is harmful to breathe.

Health effects of ozone exposure:

Irritation of the respiratory system
Reduced lung function
Aggravation of asthma and chronic lung diseases
Increased susceptibility to respiratory infections

Peak times: Ozone levels are typically highest on hot, sunny afternoons. Exercise outdoors in the morning when levels are lower.

Air Quality by ZIP Code in Washington Navy Yard

AQI varies across Washington Navy Yard's 5 ZIP codes based on proximity to pollution sources, traffic patterns, and local geography:

ZIP Code	AQI	Category	Wildfire Risk	Mold Score
20374	68	Moderate	10	34
20376	68	Moderate	10	34
20388	68	Moderate	10	34
20391	68	Moderate	10	34
20398	68	Moderate	10	34

Wildfire Smoke Risk

Washington Navy Yard has a low wildfire smoke risk with an average smoke risk score of 10 (scale 0-100). However, smoke from distant wildfires can temporarily degrade air quality even in low-risk areas.

Metric	Value
Avg. smoke risk score	10
Max smoke risk score	10
Fires within 100 km	6
High-risk ZIP codes	0

Wildfire smoke contains PM2.5, carbon monoxide, and volatile organic compounds. Even short-term exposure can trigger asthma attacks and respiratory distress.

Indoor Mold Risk

Washington Navy Yard has an average mold risk score of 34 out of 100.

Factor	Value
Mold risk score	34/100
Average humidity	64% RH
High-risk ZIPs	0
Peak season	summer high

Mold risk is influenced by humidity levels, housing age (older homes have more moisture issues), flood history, and water infrastructure quality. Indoor humidity above 60% creates favorable conditions for mold growth.

Signs of mold problems: musty odors, visible growth on walls or ceilings, worsening allergies indoors, condensation on windows. Professional mold testing ($300-$600) can identify hidden issues.

Health Recommendations

With moderate air quality (AQI 68), most people can be active outdoors. Sensitive groups should take precautions:

Sensitive groups (asthma, COPD, heart disease): consider reducing prolonged outdoor exertion
Keep windows closed on high-pollution days
Use a HEPA air purifier in main living areas
Check AirNow.gov before outdoor exercise

Washington Navy Yard vs. Nearby District of Columbia Cities

How Washington Navy Yard's air quality compares to nearby cities:

City	AQI	Category	Population
Washington Navy Yard	68	Moderate	632,323
Parcel Return Service	190	Unhealthy	632,323
Washington	190	Unhealthy	671,768
Naval Anacost Annex	190	Unhealthy	311

ZIP Codes in Washington Navy Yard

Washington Navy Yard covers 5 ZIP codes. Air quality can vary by neighborhood based on proximity to highways, industrial areas, and green spaces. Check your specific ZIP code for localized data.

Data Sources

Air quality: EPA AirNow - real-time and historical AQI data
Wildfire risk: FEMA National Risk Index
Mold risk: Derived from EPA, FEMA, Census ACS (humidity, housing age, flood history)
Monthly AQI: EPA Air Quality Statistics

Updated daily.

Frequently Asked Questions

Is the air safe to breathe in Washington Navy Yard?

Washington Navy Yard's average AQI is 68 (Moderate). Air quality is acceptable, but unusually sensitive individuals may experience respiratory symptoms during peak pollution times.

How many unhealthy air days does Washington Navy Yard have?

Washington Navy Yard experiences 10 unhealthy air quality days per year on average. During these days, everyone - not just sensitive groups - should reduce prolonged outdoor exertion.

What is the AQI in Washington Navy Yard?

The average Air Quality Index (AQI) in Washington Navy Yard is 68, categorized as Moderate. The primary pollutant is Ozone. AQI ranges from 0-500, where 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and 151+ Unhealthy.

What is the wildfire risk in Washington Navy Yard?

Washington Navy Yard has a wildfire risk score of 10 out of 100. Low wildfire risk means smoke events are uncommon, but regional fires can still temporarily affect air quality.

Is mold a concern in Washington Navy Yard?

Washington Navy Yard has a mold risk score of 34 out of 100, based on humidity, precipitation, and temperature data. Maintain good ventilation and address any water intrusion promptly to prevent mold growth.

Home → Cities → District of Columbia → Washington Navy Yard, DC → Air Quality