Kenya

Nairobi

Name: Nairobi
Address: Kenya

110

Unhealthy for Sensitive Groups

Air Quality Index

Updated Mar 20, 11:09 PM · Data from OpenAQ

Current Pollution Levels in Nairobi

PM2.5

Sensitive

µg/m³

PM10

N/A

—

µg/m³

O₃

N/A

—

ppm

Nairobi Air Quality 24-Hour Trend

Air Quality Analysis for Nairobi

Nairobi, Kenya air quality this morning is rated Unhealthy for Sensitive Groups with an Air Quality Index (AQI) of 110. The primary pollutant PM2.5 is measured at 39 µg/m³.

The current PM2.5 level exceeds the WHO annual guideline of 15 µg/m³ but remains within the 24-hour limit of 45 µg/m³. Long-term exposure at this level may still affect sensitive individuals.

PM2.5 levels are stable, staying close to the recent average of 39.0 µg/m³.

Health Recommendation

Sensitive groups in Nairobi — including children, elderly, and those with asthma or heart disease — should limit prolonged outdoor activity. Consider wearing an N95 mask if spending extended time outdoors.

Outdoor Exercise

Reduce intensity

Window Ventilation

Keep windows closed

Recent Nairobi Air Quality Measurements

Time	AQI	PM2.5	PM10
11:09 PM	110	39	—

Frequently Asked Questions

Is air quality in Nairobi safe today?

Nairobi air quality is unhealthy for sensitive groups today (AQI 110). Children, elderly, and people with respiratory conditions should limit prolonged outdoor exposure.

What AQI level is considered unhealthy?

According to EPA standards, AQI 0-50 is Good, 51-100 is Moderate, 101-150 is Unhealthy for Sensitive Groups, 151-200 is Unhealthy, 201-300 is Very Unhealthy, and above 300 is Hazardous. The WHO recommends annual PM2.5 levels below 15 µg/m³ for optimal health.

Should I wear a mask today in Nairobi?

With Nairobi's AQI at 110, wearing an N95 mask is recommended for outdoor activities, especially for sensitive groups. PM2.5 levels are at 39 µg/m³, which exceeds the EPA moderate threshold.