EPA ACTIVE WATCH Western US & Intermountain Basins: Wildfire Smoke & Elevated PM2.5 Infiltration

Enterprise air quality.

Air quality observations and historical context for Enterprise, NV

Historical perspective

The longer view.

Annual PM2.5 concentrations · µg/m³

Historical annual PM2.5 concentrations 0.02.55.1 2020: 4.8 µg/m³20202021: 5.1 µg/m³20212022: 4.4 µg/m³20222023: 3.9 µg/m³20232024: 4 µg/m³2024
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Annual PM2.5 · µg/m³
YearPM2.5
20204.8
20215.1
20224.4
20233.9
20244.0
Historical score87.9/100
Annual mean PM2.54.0 µg/m³

Available history: 2020–2024. Historical scores are distinct from current AQI and do not describe today’s conditions.

Sources and scoring method ↗

Local context

What this page tells you

This page combines annual PM2.5, unhealthy days, 5-year trend, and data coverage so you can compare long-term air quality, not just today's reading.

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87.9
Clean Air Score
Enterprise Long-term Air Quality
Based on EPA 5-year data · Loading live AQI...
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Regional Air Quality Context & Seasonal Patterns

Enterprise is treated as a mid-sized city in NV, so the most useful signal is the long-term pollution baseline rather than a single live AQI reading. Annual PM2.5 averages 4 ug/m3, with roughly 1 unhealthy-air days per year, and the multi-year trend is improving. Its Clean Air Score is 87.9 (grade A), which helps compare Enterprise with other NV cities. In Enterprise, historical EPA observations show that pollution levels typically peak in July (averaging an index of 33), while the cleanest air conditions occur in March (averaging 14). With an extreme events rating of 100/100, Enterprise exhibits resilient atmospheric ventilation with fewer multi-day smoke outliers. This report uses direct city-level monitor coverage where available, so the trend is tied closely to conditions in Enterprise.

Peak Season
July Peak

Summer (Photochemical ozone & warm-season haze)

Cleanest Air Window
March

Historically lowest pollution baseline

Sensitive Groups Guidance
Sensitive groups and outdoor runners should prioritize early morning activity before midday heat and ground-level ozone accelerate.

Fine particulate matter (PM2.5) in Enterprise is monitored for health safety. Long-term exposure to pollutants can lead to respiratory issues, making daily checks essential for active residents in NV.

Clean Air Getaways & Cleaner Alternatives

Looking for cleaner air near Enterprise?

These destinations have significantly higher historical Clean Air Scores than Enterprise (Score: 87.9).

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348 mi away +1.3 pts higher

Reno, NV

89.2 / 100 Clean Air Score
308 mi away +1.5 pts higher

San Luis Obispo, CA

89.4 / 100 Clean Air Score
277 mi away +1.4 pts higher

Apache Junction, AZ

89.3 / 100 Clean Air Score

Indoor Air Quality in Enterprise, NV

Outdoor pollution can still affect indoor air when windows are open, filtration is weak, or wildfire smoke moves in.

Complete Enterprise Home AQI & Filtration Guide

Get custom room-by-room HEPA purifier sizing, seasonal PM2.5 trends, and local home sealing recommendations.

👉 Read Full Enterprise Guide →
AQI 0-50: Good
Windows

Usually safe to open windows for fresh air.

Air Purifier

Air purifier is optional for most households.

Stay Indoors

Normal indoor and outdoor activity is fine.

AQI 51-100: Moderate
Windows

Ventilate selectively; sensitive groups should watch symptoms.

Air Purifier

Run HEPA filtration on low if pollen, smoke smell, or traffic exhaust is noticeable.

Stay Indoors

Most people can continue normal activity; sensitive groups should keep an eye on AQI.

AQI 101-150: Unhealthy for sensitive groups
Windows

Keep windows closed so outdoor PM2.5 does not build indoors.

Air Purifier

Run HEPA filtration in bedrooms and main living spaces.

Stay Indoors

Children, older adults, and people with asthma should reduce outdoor exertion.

AQI 151+: Unhealthy
Windows

Keep windows and doors sealed as much as practical.

Air Purifier

Run filtration continuously; use the highest comfortable fan setting.

Stay Indoors

Stay indoors when possible and consider an N95 if you must go outside.

Health Recommendations

General Public

Most people can continue outdoor activities normally. Keep an eye on changing conditions.

Sensitive Groups

Children and elderly should reduce prolonged or heavy outdoor exertion if AQI rises above 50.

Running & Outdoor Exercise Guide

Explore available hourly data before planning outdoor time in Enterprise.

🏃 View Running Forecast →
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Environmental Health Dossier: Air & Tap Water in Enterprise

Atmospheric fine particulate matter (PM2.5) and municipal drinking water contaminants represent the two primary involuntary daily exposures in any household. While HEPA filtration purifies indoor air, municipal tap water often contains invisible halogenated byproducts, heavy metals, or PFAS forever chemicals.

Atmospheric Exposure
Inhalation Risk

Enterprise holds a historical Clean Air Score of 87.9/100. High PM2.5 requires True HEPA (H13) physical media filters without electronic ozone generation.

Hydrological Exposure
Ingestion Risk

Municipal utility compliance focuses on legal limits, not health guidelines. Verified solid-carbon or Reverse Osmosis filters target lead, chlorine byproducts, and micropollutants.

Review EPA Safe Drinking Water Information System (SDWIS) utility compliance reports.
Inspect Enterprise Tap Water on WaterQ.us
Head-to-Head Benchmark

Compare Enterprise Air Quality

See how Enterprise’s pollution baselines and seasonal patterns compare side-by-side.

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Frequently Asked Questions about Enterprise Air Quality

Is air quality in Enterprise safe today?

Current air quality in Enterprise is being monitored. Based on historical data, Enterprise has a clean air score of 87.9. For real-time updates, check the live monitoring panel on this page.

When is air pollution highest in Enterprise?

According to multi-year EPA observations, air pollution in Enterprise historically peaks during July (Summer (Photochemical ozone & warm-season haze)). The cleanest air window typically occurs in March.

What should sensitive groups do during peak air pollution in Enterprise?

Sensitive groups and outdoor runners should prioritize early morning activity before midday heat and ground-level ozone accelerate. Maintaining certified indoor HEPA filtration is an effective way to minimize personal exposure.

What is a dangerous AQI level?

An AQI (Air Quality Index) above 100 is considered unhealthy for sensitive groups, while levels above 150 are unhealthy for everyone. Levels above 300 are hazardous.

Should I wear a mask today in Enterprise?

If the AQI in Enterprise is above 150, an N95 mask is recommended for outdoor activities to filter out fine particulate matter (PM2.5).

Higher historical scores in NV

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