Air Quality (AQI) & Weather in Coulee City, WA (99115)

Q: What is the primary air pollutant in Coulee City, WA?

The primary air pollutants monitored in Coulee City include Fine Particulate Matter (PM2.5), Coarse Particulate Matter (PM10), Ground-level Ozone (O3), Carbon Monoxide (CO), Nitrogen Dioxide (NO2), and Sulfur Dioxide (SO2).

Air Quality Index

Temperature

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Real-time Temp

Humidity

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Relative humidity

Wind

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Pollutants

Good

Moderate

USG

Unhealthy

Very Unhealthy

Hazard

Location Map

47.67326, -119.38965

7-Day Forecast

Full Weather for Coulee City

Past 30 Days — AQI History

Health Advice

Loading recommendations...

Recommendations are indicative. Consult local advisories if you have underlying health concerns.

About Air Quality in Coulee City, WA

Get real-time updates on air quality in Coulee City (99115), including detailed metrics for key pollutants like PM2.5, PM10, Ozone (O₃), Carbon Monoxide (CO), Nitrogen Dioxide (NO₂), and Sulfur Dioxide (SO₂).

This dashboard presents live Air Quality Index (AQI) calculations alongside a 7-day weather forecast for Coulee City, WA. Monitor changing pollution levels, relative humidity, wind speeds, and temperature trends to plan safer outdoor activities for your family.

Understanding AQI Ratings

The standard US Air Quality Index (AQI) runs from 0 to 500. Higher values indicate higher levels of air pollution:

0–50 (Good): Air quality is satisfactory; minimal risk.
51–100 (Moderate): Acceptable; slight concern for sensitive people.
101–150 (USG): Sensitive groups may experience health effects.
151–200 (Unhealthy): General public may begin to feel effects.
201–300 (Very Unhealthy): Health alert; increased risk for everyone.

Air Pollution Prevention & Health Tips for Coulee City

Air quality in Coulee City, WA fluctuates based on weather patterns, traffic volume, seasonal industrial output, and atmospheric conditions.

Outdoor Mask Protection

During high PM2.5 pollution spikes (AQI > 150), standard surgical masks are insufficient. N95 or KN95 respirators are recommended for effective filtering.

Indoor Air Purifiers

Using True HEPA air purifiers inside homes and offices in Coulee City helps filter airborne dust, allergens, pollen, and dangerous fine particles.

Environmental & Demographic Profile — Coulee City, WA (99115)

The ZIP code 99115 is situated in Coulee City, located within Douglas County, WA. According to US Census estimates, the 99115 postal code serves an estimated population of 1,306 residents across an area with a population density of 1.2 people per square mile. Operating under the America/Los Angeles timezone, local atmospheric telemetry in this area is monitored continuously via nearby regional monitoring stations.

Coulee City is categorized as a low-density or regional geographic area. Lower industrial activity generally reduces localized vehicular pollution, though ambient air quality can still be impacted by agricultural particulate matter, regional wind currents, or seasonal meteorological activity.

Geographic & Administrative Details

County: Douglas County
Coordinates: 47.6733, -119.3897
Timezone: America/Los_Angeles
Associated Regions: Douglas, Grant

Frequently Asked Questions About Coulee City Air Quality

What is the primary air pollutant in Coulee City, WA?

The primary pollutants continuously monitored in Coulee City include Fine Particulate Matter (PM2.5), Coarse Particulate Matter (PM10), Ground-level Ozone (O₃), Carbon Monoxide (CO), Nitrogen Dioxide (NO₂), and Sulfur Dioxide (SO₂).

Is it safe to exercise outdoors today in Coulee City (99115)?

Outdoor exercise safety in Coulee City depends on the real-time Air Quality Index (AQI). An AQI between 0 and 50 is ideal for all outdoor activities. If the index rises above 100, sensitive individuals should reduce prolonged outdoor exertion.

How often is the air quality data updated for ZIP code 99115?

Air quality observations and weather metrics on this page are updated in real-time using continuous telemetry from local satellite feeds and ground station monitors.