Discover how many days per year exceed safe air quality limits. Check smog statistics for your postal code or city.
Air quality is satisfactory. No health risks for the general population. Perfect for outdoor activities.
Acceptable for most people. Sensitive individuals (children, elderly, asthma patients) may experience minor symptoms.
Everyone may experience health effects. Limit outdoor activities. Long-term exposure increases cardiovascular and respiratory risks.
According to WHO guidelines, the answer should be zero. However, many cities worldwide exceed safe limits regularly. Even 10-20 unhealthy days per year can have cumulative health effects, while cities with 100+ unhealthy days face severe public health crises.
It varies by region. In many European cities, winter months see worse air quality due to heating emissions. In Asian megacities, agricultural burning and winter temperature inversions create severe pollution episodes. Summer often brings ozone pollution (smog) in urban areas.
Yes, our full environmental reports include multi-year air quality history, seasonal patterns, and pollution source analysis for any specific address. This helps identify long-term trends and make informed property decisions.