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Active Weather Warnings

Air Quality Alert

Weather in Cranston, Rhode Island

10:22 AM

Now

77° F

Feels Like 79°

Precipitation 12 %

Wind 9 mph

UV Index (0 - 11+) 3

Humidity 71 %

Today

Day 82°

Night 70°

Precipitation 88 %

Wind 10 mph

UV Index (0 - 11+) 4

Cranston Weather Forecast Updated

Last updated on July 18, 2026 at 9:04 AM

Air Quality in Cranston

NOW

152 AQI

Unhealthy air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 59.41 µg/m³

PM₁₀ 66 µg/m³

O₃ 0.068 ppm

NO₂ 0.6 ppb

SO₂ 0.3 ppb

CO 0.43 ppm

NH₃ 1.21 µg/m³

NO 0.07 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:

Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 59.41 µg/m³

PM₁₀ – 66 µg/m³

O₃ – 133.7 µg/m³

NO₂ – 1.14 µg/m³

SO₂ – 0.69 µg/m³

CO – 494.23 µg/m³

NH₃ – 1.21 µg/m³

NO – 0.07 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Cranston

Air Quality Alert

Air Quality Alert issued July 17 at 4:15PM EDT by NWS Boston/Norton MA

Jul 17, 4:15 PM → Jul 18, 11:00 PM

The Rhode Island Department of Environmental Management has issued
an Air Quality Alert Day for Fine Particulates, from midnight
tonight to 11 PM EDT Saturday.

An Air Quality Alert day means that Fine Particulates concentrations
within the region may approach or exceed unhealthy standards. For
additional information, please visit the Rhode Island Department of
Environmental Management website at:

https://dem.ri.gov/

Updated: Jul 18, 9:04 AM Source: NWS Alert