AIR QUALITY PA

Air Quality in Greensburg, PA: Moderate (60 AQI)

AQI 60 · Moderate · PM2.5 · Updated 2026-07-18

Greensburg'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. Greensburg's average AQI of 60 falls in the "Moderate" range.

Air Quality by ZIP Code in Greensburg

AQI varies across Greensburg's 3 ZIP codes based on proximity to pollution sources and local geography.

ZIP Code	AQI	Category	Wildfire	Mold
15605	69	Moderate	6	59	View report →
15601	56	Moderate	6	63	View report →
15606	56	Moderate	6	59	View report →

Air Quality Overview

Greensburg, Pennsylvania has moderate air quality with an average AQI of 60. 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 PM2.5.

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: PM2.5

PM2.5 (fine particulate matter) consists of particles smaller than 2.5 micrometers - about 30 times thinner than a human hair. These particles can penetrate deep into the lungs and enter the bloodstream.

Health effects of PM2.5 exposure:

Short-term: coughing, shortness of breath, aggravated asthma
Long-term: reduced lung function, cardiovascular disease, premature death
Most vulnerable: children, elderly, people with heart or lung disease

Common sources in urban areas: vehicle exhaust, construction dust, industrial emissions, wildfire smoke, residential wood burning.

Air Quality by ZIP Code in Greensburg

AQI varies across Greensburg's 3 ZIP codes based on proximity to pollution sources, traffic patterns, and local geography:

ZIP Code	AQI	Category	Wildfire Risk	Mold Score
15605	69	Moderate	6	59
15601	56	Moderate	6	63
15606	56	Moderate	6	59

Wildfire Smoke Risk

Greensburg has a low wildfire smoke risk with an average smoke risk score of 6 (scale 0-100). However, smoke from distant wildfires can temporarily degrade air quality even in low-risk areas.

Metric	Value
Avg. smoke risk score	6
Max smoke risk score	6
Fires within 100 km	0
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

Greensburg has an average mold risk score of 60 out of 100, with 3 ZIP codes in the high-risk category.

Factor	Value
Mold risk score	60/100
Average humidity	68% RH
High-risk ZIPs	3
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 60), 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

Greensburg vs. Nearby Pennsylvania Cities

How Greensburg's air quality compares to nearby cities:

City	AQI	Category	Population
Greensburg	60	Moderate	55,670
Coatesville	213	Unhealthy	55,671
Butler	248	Unhealthy	55,455
Hanover	253	Unhealthy	55,374

ZIP Codes in Greensburg

Greensburg covers 3 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 Greensburg?

Greensburg's average AQI is 60 (Moderate). Air quality is acceptable, but unusually sensitive individuals may experience respiratory symptoms during peak pollution times.

How many unhealthy air days does Greensburg have?

Greensburg experiences 1 unhealthy air quality day per year on average. During these days, everyone - not just sensitive groups - should reduce prolonged outdoor exertion.

What is the AQI in Greensburg?

The average Air Quality Index (AQI) in Greensburg is 60, categorized as Moderate. The primary pollutant is PM2.5. 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 Greensburg?

Greensburg has a wildfire risk score of 6 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 Greensburg?

Greensburg has a mold risk score of 60 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 → Pennsylvania → Greensburg, PA → Air Quality