Worst air pollution Puerto Peñasco, today and tomorrow
Today (20 September): Air quality in Puerto Peñasco is poor. AQI and PM10 are poor; PM2.5 is moderate; NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (PM10: 61.1/100).
Tomorrow (21 September 2026): Air quality in Puerto Peñasco is moderate. AQI improves to moderate; PM10 decreases to moderate; all other pollutants stay as today. Pollution peaks around 8:00 AM (PM10: 52.4/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Puerto Peñasco's air quality benefits from its exceptional Gulf of California and Pacific Ocean dual-coastal position in Sonora — the famous Rocky Point Arizona retirement resort — with consistent Gulf of California and Pacific maritime breezes providing reliable ventilation. Vehicle traffic on surrounding roads and the tourism, fishing, and services corridor contribute modest local sources, while the outstanding dual-coast maritime exposure generally maintains Puerto Peñasco among Sonora's more reliably ventilated coastal resort cities throughout most of the year.
Today - 20 September | Pollution peaks at 08:00
AQI:
Poor
61.1/100
PM2.5 (fine particles):
Moderate
46.8/100
PM10 (coarse particles):
Poor
61.1/100
NO2 (nitrogen dioxide):
Good
0.8/100
O3 (ozone):
Good
7.5/100
SO2 (sulfur dioxide):
Good
0.1/100
CO (carbon monoxide):
Good
0.4/100
HCHO (formaldehyde):
Good
0.8/100
PM1 (ultrafine particles):
Good
15.4/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 08:00
AQI:
Moderate
52.4/100
PM2.5 (fine particles):
Moderate
42.9/100
PM10 (coarse particles):
Moderate
52.4/100
NO2 (nitrogen dioxide):
Good
1.4/100
O3 (ozone):
Good
7.0/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.4/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
14.6/100
Frequently Asked Questions
Is air quality bad in Puerto Peñasco right now?
On 20 September 2026, overall air quality in Puerto Peñasco is poor. AQI is the main air quality indicator at 61.1/100. Pollution peaks around 8:00 AM (PM10: 61.1/100).
Will air quality be worse tomorrow in Puerto Peñasco?
On 21 September 2026, air quality conditions in Puerto Peñasco will be better than today, with AQI forecast at moderate at 52.4/100. Pollution peaks around 8:00 AM (PM10: 52.4/100).
When is air pollution at its worst in Puerto Peñasco?
Puerto Peñasco usually sees its poorest air quality when vehicle traffic, fishing fleet activity, as well as tourism-related traffic coincide with periods when maritime winds die down. Maritime airflow normally ventilates the area well, though calmer spells let levels rise. This coastal advantage is less pronounced during still, high-pressure weather.
Are air quality levels in Puerto Peñasco based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 21 September 2026 at 03:04 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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