Today | Weather | Monday, July 20, 2026

Active Weather Warnings

Air Quality Alert

Weather in Erie, Pennsylvania

05:26 PM

Now

79° F

Feels Like 81°

Precipitation 0 %

Wind 6 mph

UV Index (0 - 11+) 3

Humidity 44 %

Today

Day 79°

Night 70°

Precipitation 0 %

Wind 7 mph

UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Erie Weather Forecast Updated

59 seconds ago

Last updated on July 20, 2026 at 5:25 PM

Air Quality in Erie

NOW

95 AQI

Moderate air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 8.4 µg/m³

PM₁₀ 8.77 µg/m³

O₃ 0.068 ppm

NO₂ 0.9 ppb

SO₂ 1.5 ppb

CO 0.18 ppm

NH₃ 0.27 µg/m³

NO 0.2 µg/m³

PM_2.5 – 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 8.4 µg/m³

PM₁₀ – 8.77 µg/m³

O₃ – 134.34 µg/m³

NO₂ – 1.6 µg/m³

SO₂ – 4.01 µg/m³

CO – 200.96 µg/m³

NH₃ – 0.27 µg/m³

NO – 0.2 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Erie

Air Quality Alert

Air Quality Alert issued July 19 at 11:17AM EDT by NWS Cleveland OH

Jul 19, 11:17 AM → Jul 20, 7:30 PM

The Pennsylvania Department of Environmental Protection has issued a
code ORANGE Air Quality Alert for Erie County and Crawford County for
Sunday, July 19th.

Wildfire smoke from northern Minnesota and south central Canada will
result in air quality that may be unhealthy for sensitive groups for
today.

A Code ORANGE Air Quality Alert means that air pollution
concentrations within the region may become unhealthy for sensitive
groups. Sensitive groups include children, people suffering from
asthma, heart disease or other lung diseases, and the elderly. The
effects of air pollution can be minimized by avoiding strenuous
activity or exercise outdoors.

For more information, visit www.airnow.gov, and
www.aqpartners.state.pa.us.

Updated: Jul 20, 5:25 PM Source: NWS Alert