city

Air quality in San Juan

Air quality index (AQI) and PM2.5 air pollution in San Juan

Last update at 01:00, Apr 18 (local time)

4 people follow this city

AIR QUALITY DATA SOURCE

* AQI modeled using satellite data Learn more

San Juan does not have air sensor data

Be the first to measure and contribute air quality data to your community

#	city	US AQI
1	Lima, Lima	52
2	El Tambo, Junin	31

01:00, Apr 18 (local time)

US AQI

52*

live AQI index
Moderate

Air pollution level	Air quality index	Main pollutant
Moderate	52* US AQI	PM2.5

Pollutants		Concentration
PM2.5		12.4*µg/m³

PM2.5

x2.5

PM2.5 concentration in San Juan is currently 2.5 times the WHO annual air quality guideline value

	Sensitive groups should reduce outdoor exercise
	Close your windows to avoid dirty outdoor air GET A MONITOR
	Sensitive groups should wear a mask outdoors GET A MASK
	Sensitive groups should run an air purifier GET AN AIR PURIFIER

Day	Pollution level	Weather	Temperature	Wind
Today	Moderate 52 AQI US	100%	87.8° 71.6°	2.2 mp/h
Friday, Apr 19	Good 41 AQI US	100%	80.6° 73.4°	2.2 mp/h
Saturday, Apr 20	Good 44 AQI US	100%	73.4° 71.6°	2.2 mp/h
Sunday, Apr 21	Good 38 AQI US	80%	77° 71.6°	0 mp/h
Monday, Apr 22	Good 48 AQI US	80%	80.6° 71.6°	2.2 mp/h
Tuesday, Apr 23	Moderate 60 AQI US	80%	77° 71.6°	2.2 mp/h
Wednesday, Apr 24	Moderate 75 AQI US		84.2° 71.6°	2.2 mp/h