Nogales, AZ
2021 search intent
Nogales air quality in 2021 — closest EPA context
People searching for Nogales's 2021 air quality want a fast EPA-backed answer. This page does not publish a single "median AQI" number, but it gives the closest available context: annual PM2.5 at 10.6 μg/m³, 7 unhealthy days per year, and the multi-year trend that shows whether 2021 reflected a cleaner or riskier pattern for Nogales.
Nogales, AZ air quality summary: Nogales, AZ, holds a CleanAirData score of 45.1 and a grade of D for its long-term air quality. The annual mean concentration of PM2.5 in the city is 10.6 µg/m³. The annual mean PM2.5 concentration in Nogales is 10.6 µg/m³. Long-term air quality in Nogales has been worsening over recent years.
Clean Air Score
The D grade and score of 45.1 indicate that air quality in Nogales is below average for long-term exposure. This reflects an environment with significant fine particulate matter concerns.
🏡 What This Means for Buying
Air quality should be a relevant factor for anyone considering long-term residency in Nogales. Current metrics suggest that particulate exposure is an important environmental consideration.
Indoor Air Quality in Nogales, AZ
Outdoor pollution can still affect indoor air when windows are open, filtration is weak, or wildfire smoke moves in.
How to react when today's AQI changes
Use the AQI bands below to decide whether to open windows, run an air purifier, or stay indoors when pollution spikes in Nogales.
AQI 0-50
GoodOpen windows: Open windows if you want fresh air.
Air purifier: No purifier needed for most homes.
Indoor activity: Normal indoor activity is fine.
AQI 51-100
ModerateOpen windows: Sensitive groups should limit open-window time.
Air purifier: Use fans or filtration if dust or pollen is bothering you.
Indoor activity: Most people can stay active indoors.
AQI 101-150
Unhealthy for Sensitive GroupsOpen windows: Keep windows closed.
Air purifier: Run a HEPA purifier in the main room and bedroom.
Indoor activity: Sensitive groups should reduce outdoor exposure.
AQI 151+
UnhealthyOpen windows: Keep windows and doors closed.
Air purifier: Run HEPA continuously and seal obvious drafts.
Indoor activity: Stay indoors as much as possible; use an N95 if you must go out.
Common indoor air concerns in Nogales:
- Wildfire smoke infiltration (PM2.5)
- Seasonal pollen and dust mite allergens
- VOCs from household products
Recommended action: If today's AQI reaches 101 or higher, close windows and run HEPA filtration before indoor air starts to feel smoky or stale.
Top Products for Nogales Homes:
🩺 My Health Risk Assessment
See how Nogales's air quality affects you and your family specifically.
Health Advice
Reduce prolonged outdoor exertion.
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</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, Nogales's air quality worsened by 1.9 μg/m³. Based on NBER studies, this change correlates with a estimated 7.6% decrease in relative property value retention.
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Why Nogales earned a 45.1
Raw inputs, scoring weights, and data coverage for this city.
Best Time to Run
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Cycling Forecast
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📅 Past 30 Days Trend
Real-time daily PM2.5 AQI
🌸 Pollen Outlook
Current Seasonal Forecast
How it worksBased on current seasonal forecast data. Not a long-term pollution rating or relocation score.
Score Breakdown
| Component | Weight | Score Contribution |
|---|---|---|
| Annual Air Quality | 40% | 19.6 |
| Unhealthy Days | 25% | 61 |
| 5-Year Trend | 20% | 40.5 |
| Seasonal Variability | 10% | 72.4 |
| Extreme Events | 5% | 95 |
Deep Dive: Nogales & Related Data
Explore More Air Quality Data
Frequently Asked Questions
About This Data
Data Sources
Historical air quality mapping and scoring are based completely on official U.S. Environmental Protection Agency (EPA) AirNow API data. 5-day AQI forecasts are provided by WAQI.
Methodology
Our Clean Air Score (0-100) is a proprietary algorithm that weighs multiple factors:
- Annual PM2.5 averages (40%)
- Frequency of unhealthy days (25%)
- 5-year pollution trends (20%)
- Seasonal variability and extreme events (15%)
Updates & Accuracy
Real-time data is updated hourly. Historical aggregate scores are recalculated monthly to reflect the latest trends. While we strive for accuracy, sensor maintenance and local conditions can affect individual readings.
Practical Advice
When AQI > 100: Sensitive groups (children, elderly, asthmatics) should limit prolonged outdoor exertion.
When AQI > 150: Everyone should avoid outdoor exercise and keep windows closed.
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Nogales Air Quality FAQs
Is Nogales a good fit for people who care about long-term air quality?
Nogales' score of 45.1 and D grade suggest it may be challenging for those prioritizing air quality. The annual mean PM2.5 concentration is 10.6 µg/m³, which is an elevated level.
What is the frequency of unhealthy air or long-term pollution exposure in Nogales?
Nogales experiences unhealthy air days 1.9% of the time, contributing to its D grade. This is paired with an annual mean PM2.5 concentration of 10.6 µg/m³.
Is air quality in Nogales improving or getting worse over time?
Air quality in Nogales is currently on a worsening trend. Recent multi-year data shows an increase in fine particulate matter concentrations.
Does air quality vary across different parts of Nogales?
Air quality can vary within Nogales due to its unique border location, local traffic patterns, and geographic features. Residents should refer to ZIP-level detail for more precise local information.