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Blawnox, PA

Full City Profile · Pennsylvania · Allegheny County County

3.4 /5.0
B Good
1,469 Population 4,897/sq mi density
$50,667 Median Income $45,068 per capita
$181,600 Home Value $181,686 Zillow
$785 Median Rent 24.9% income on rent
52°F Avg Temperature 275 sunny days/yr
145 Violent Crime/100K 73 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$50,667 median income, 2.5% unemployment
A+
Affordability
4.7 / 5.0
$181,600 home value, $785/mo rent
F
Safety
1.0 / 5.0
145 violent crimes/100K
A+
Education
4.7 / 5.0
46.7% bachelor's degree or higher
Blawnox experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 30°F in January while summers reach 74°F in July. The area gets 275 sunny days per year. Annual precipitation totals 40.6 inches. Air quality is rated Good with a median AQI of 40.

Temperature

30°F Jan (-1°C) 74°F Jul (23°C)
Annual Average52.4°F
3% below US avg
January Average30°F (-1°C)
July Average74°F (23°C)
Sunny Days275 days/yr

Geography

Elevation783 ft (239 m)
Area0.4 sq mi (1.1 km²)
Population Density4,897/sq mi
Coordinates40.4933°N, 79.8593°W
TimezoneAmerica/New_York
CountyAllegheny County County
Nearest AirportPittsburgh International (PIT)
20 miles away

Precipitation & Snow

Annual Rainfall 40.6"
7% above US avg
Wettest Month (May) 3.98"
Driest Month (Feb) 2.32"

Air Quality

AQI Median40.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0432 ppm
NO₂ (Nitrogen Dioxide)11.6 ppb
SO₂ (Sulfur Dioxide)2.41 ppb
CO (Carbon Monoxide)0.39 ppm
PM2.5 (Fine Particles)10.2 μg/m³

Natural Hazard Risk

Overall RiskRelatively High
Risk Score98.1 / 100
Social Vulnerability32.7 / 100
Community Resilience91.9 / 100

Hazard Breakdown

Tornado Relatively High
Hurricane Relatively Low
Earthquake Relatively Low
Wildfire Very Low
Flood Very High
Hail Very Low
Strong Wind Relatively High
Heat Wave Relatively Moderate
Winter Weather Relatively High
Lightning Relatively High
Ice Storm Very High
Drought No Rating
Cold Wave Very High
Landslide Relatively Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

6 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.5. Most recent: M2.5 on Sep 11, 2024.

Sep 25, 1998 2 km SW of Adamsville, Pennsylvania M4.5 120 km
Jun 3, 2017 1 km WNW of Batesville, Ohio M3.4 138 km
Apr 2, 2017 5 km W of Graysville, Ohio M3.0 150 km
Mar 30, 2024 2 km SSW of Maple Ridge, Ohio M3.0 111 km
Aug 7, 2000 2 km S of Limaville, Ohio M2.9 121 km
Sep 11, 2024 4 km WNW of Claysville, Pennsylvania M2.5 65 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

291 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 14 fatalities, 583 injuries.

Date Rating Distance Fatalities
Jun 2, 1998 EF4 73 km 0
Jun 3, 1980 EF4 21 km 0
May 31, 1985 EF3 63 km 9
Oct 12, 1978 EF3 96 km 0
Jul 11, 1976 EF3 34 km 1
Aug 3, 1963 EF3 19 km 2
Jun 26, 2024 EF2 20 km 0
May 11, 2024 EF2 30 km 0
May 7, 2024 EF2 80 km 0
Aug 25, 2023 EF2 68 km 0
Aug 1, 2022 EF2 77 km 0
Mar 31, 2022 EF2 56 km 0
Oct 21, 2021 EF2 62 km 0
Jul 29, 2021 EF2 97 km 0
Oct 2, 2018 EF2 93 km 0
Oct 2, 2018 EF2 55 km 0
Mar 23, 2011 EF2 26 km 0
Nov 10, 2002 EF2 99 km 1
Apr 28, 2002 EF2 54 km 0
Apr 9, 2001 EF2 82 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 30°F (-1°C) 2.5 in Coldest
February 32°F (-0°C) 2.3 in Driest
March 40°F (5°C) 3.3 in
April 51°F (10°C) 3.3 in
May 61°F (16°C) 4.0 in Wettest
June 70°F (21°C) 3.9 in
July 74°F (23°C) 3.9 in Warmest
August 72°F (22°C) 3.6 in
September 65°F (19°C) 3.2 in
October 54°F (12°C) 2.6 in
November 43°F (6°C) 3.0 in
December 34°F (1°C) 2.9 in

Blawnox has a seasonal temperature swing of 45°F / from 30°F in January to 74°F in July. Total annual precipitation is 38.6 inches, with May being the wettest month (4.0") and February the driest (2.3").

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