Germany

Cologne

Name: Cologne
Address: Germany

Moderate

Air Quality Index

Updated Mar 21, 12:01 AM · Data from OpenAQ

Current Pollution Levels in Cologne

PM2.5

Moderate

29.204

µg/m³

PM10

Good

34.753

µg/m³

O₃

N/A

—

ppm

Cologne Air Quality 24-Hour Trend

Air Quality Analysis for Cologne

Cologne, Germany air quality this morning is rated Moderate with an Air Quality Index (AQI) of 87. The primary pollutant PM2.5 is measured at 29.204 µg/m³. PM10 (coarse particles) is at 34.753 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 29.2 µg/m³.

Health Recommendation

Air quality in Cologne is acceptable. Most people can enjoy outdoor activities normally. Unusually sensitive individuals should consider limiting prolonged outdoor exertion.

Outdoor Exercise

Acceptable for most

Window Ventilation

OK for short periods

Recent Cologne Air Quality Measurements

Time	AQI	PM2.5	PM10
12:01 AM	87	29.204	34.753
11:56 PM	87	29.204	34.753
11:23 PM	87	29.204	34.753

Frequently Asked Questions

Is air quality in Cologne safe today?

Cologne air quality is moderate today with an AQI of 87. Most people can safely go outside, but unusually sensitive individuals may experience minor symptoms.

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 Cologne?

With Cologne's current AQI of 87, masks are generally not necessary for most people. However, if you have respiratory conditions, a mask may provide additional comfort.