San Juan, San Juan

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Today

 Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Current Weather

3:39 AM

78°F
RealFeel® 86°
Air Quality Fair
Wind SE 6 mph
Wind Gusts 12 mph
Some clouds More Details

Current Air Quality

Today

5/18

34
AQI

Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Based on Current Pollutants

More Details

Learn more at Plumb Labs Logo

Current Air Quality

Our current air quality index (AQI) provides information on the quality of air that you are breathing and its impact on your health. There are at least six different pollutants that we track that impact the cleanliness of air and your health.

Health & Activities
See all
Dust & Dander
Extremely High
The risk of dust and dander symptoms is extremely high. If you suffer from dust and dander allergies, taking allergy medication can help relieve symptoms.
Arthritis
Moderate
The risk of experiencing weather-related arthritis pain is moderate. Stay hydrated and stretch to help avoid arthritis symptoms.
Sinus Pressure
Moderate
The risk of weather-related sinus pressure is moderate. Make sure you stay hydrated.
Common Cold
Low
The risk of catching a cold is low.
Flu
Low
The risk of catching the flu is low.
Migraine
Low
The risk of suffering from a weather-related migraine is low.
Asthma
High
The risk of asthma symptoms is high. Be sure to use HEPA filters in your home to cut down on indoor asthma triggers.
Fishing
Poor
Fishing conditions are poor.
Running
Poor
Conditions for running are poor. Lightening and extremely cold temperatures are unsafe for outdoor runners.
Golf
Fair
Conditions for golfing are fair. Be prepared for 'invisible hazards' like wind that can make the game more challenging.
Biking & Cycling
Fair
Conditions for cycling are fair. Know the surfaces you'll be riding on to ensure your ride is as safe as possible with your available gear.
Beach & Pool
Fair
Conditions for a day at the beach or pool are fair. Temperatures tend to be highest in the mid-afternoon if the day is on the cooler side.
Stargazing
Poor
Conditions for stargazing are poor.
Hiking
Poor
Conditions for hiking are poor.
Lawn Mowing
Poor
Conditions for lawn mowing are poor. Avoid mowing your lawn when it is wet, or temperatures are too cold.
Composting
Good
Composting conditions are good. Make sure you frequently add water to your compost to keep it moist.
Outdoor Entertaining
Great
Conditions for outdoor entertaining will be great. Pay attention to the mosquito or pest forecast and prepare deterrents.
Air Travel
Ideal
Conditions for flying are ideal. Have a safe trip.
Driving
Good
Conditions for driving are good. Stay alert of any changes to the weather forecast.
Mosquitos
Extremely High
The risk for mosquito activity are extremely high. Wear long-sleeved shirts and pants when spending time outdoors to prevent bites.
Indoor Pests
Moderate
The risk for pest activity is moderate. Do not leave food unattended and clear counters of crumbs.
Outdoor Pests
Extremely High
The risk for pest activity is extremely high. Eliminate standing water in rain gutters, buckets, and in tires where pests can breed.
See all

TODAY’S WEATHER FORECAST

5/18
89°Hi
RealFeel® 97°
Partly sunny and nice

TONIGHT’S WEATHER FORECAST

5/18
78°Lo
RealFeel® 84°
Increasing clouds

TOMORROW’S WEATHER FORECAST

5/19
88°/ 77°
RealFeel® 97°
Breezy in the afternoon

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