TrueBreath - Smoke Equivalence Calculator - Johannesburg

Breathing air in City of Johannesburg, South Africa is equivalent to smoking approximately 2.3 cigarettes per day, based on the current PM2.5 level of 50.0 μg/m³.

City of Johannesburg, South Africa's current PM2.5 level is 50.0 μg/m³. The WHO safe limit is 15 μg/m³ for 24-hour exposure. This exceeds the safe limit and poses health risks.

With a PM2.5 level of 50.0 μg/m³, City of Johannesburg, South Africa's air quality may cause minor health issues, particularly for people with respiratory conditions. It's advisable to limit outdoor activities during high pollution periods.

The Real-Time Air Quality Index (AQI) in City of Johannesburg, South Africa is 137. This is considered Unhealthy for Sensitive Groups. AQI values above 100 indicate unhealthy air quality, especially for sensitive groups.

The primary pollutant affecting City of Johannesburg, South Africa's air quality is PM2.5. This pollutant is the main contributor to the current AQI of 137 and PM2.5 level of 50.0 μg/m³.

City of Johannesburg, South Africa's current PM10 level is 23.0 μg/m³, while PM2.5 is 50.0 μg/m³. PM10 particles are larger (2.5-10 micrometers) and less harmful than PM2.5, which can penetrate deep into the lungs and bloodstream.

The current ozone (O3) level in City of Johannesburg, South Africa is 8.7 μg/m³. Ozone is a harmful gas that can cause respiratory problems, especially during physical activity. The WHO guideline for 8-hour exposure is 100 μg/m³.

The nitrogen dioxide (NO2) level in City of Johannesburg, South Africa is currently 4.6 μg/m³. NO2 is primarily produced by vehicle emissions and industrial processes. High levels can worsen respiratory conditions and increase susceptibility to respiratory infections.