Brazil

Rio de Janeiro

Name: Rio de Janeiro
Address: Brazil

Good

Air Quality Index

Updated Mar 21, 02:01 AM · Data from OpenAQ

Current Pollution Levels in Rio de Janeiro

PM2.5

Good

4.54

µg/m³

PM10

Good

7.72

µg/m³

O₃

N/A

—

ppm

Rio de Janeiro Air Quality 24-Hour Trend

Air Quality Analysis for Rio de Janeiro

Rio de Janeiro, Brazil air quality this morning is rated Good with an Air Quality Index (AQI) of 19. The primary pollutant PM2.5 is measured at 4.54 µg/m³. PM10 (coarse particles) is at 7.72 µg/m³.

The current PM2.5 level is within WHO air quality guidelines, indicating relatively clean air conditions in Rio de Janeiro today.

PM2.5 levels are stable, staying close to the recent average of 5.1 µg/m³.

Health Recommendation

Air quality in Rio de Janeiro is excellent. All outdoor activities are safe. Perfect conditions for jogging, cycling, and outdoor sports.

Outdoor Exercise

Ideal conditions

Window Ventilation

Recommended

Recent Rio de Janeiro Air Quality Measurements

Time	AQI	PM2.5	PM10
02:01 AM	19	4.54	7.72
01:01 AM	19	4.45	7.25
11:23 PM	26	6.26	8.91

Frequently Asked Questions

Is air quality in Rio de Janeiro safe today?

Yes, Rio de Janeiro air quality is currently good with an AQI of 19. Outdoor activities are safe for everyone.

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 Rio de Janeiro?

With Rio de Janeiro's current AQI of 19, masks are generally not necessary for most people. However, if you have respiratory conditions, a mask may provide additional comfort.