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Pasadena, CA Weather
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Today

 Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
3
Areal Flood Watch

Current Weather

5:15 PM

52°F
RealFeel® 40°
RealFeel Shade™ 40°
Air Quality Fair
Wind SSE 16 mph
Wind Gusts 23 mph
Rain More Details

MINUTECAST®

Rain will continue for 49 min

5:15 PM
6:15 PM

Current Air Quality

Today

3/21

28
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

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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
Tree Pollen
Moderate
The risk of tree pollen symptoms is moderate.
Ragweed Pollen
Low
The risk for ragweed pollen symptoms is low.
Mold
Moderate
The risk of mold allergy symptoms is moderate. Be sure to prevent mildew and indoor mold in your home's basement, bathrooms, and laundry room.
Grass Pollen
Low
The risk of grass pollen symptoms is low.
Dust & Dander
Low
The risk of dust and dander allergy symptoms is low.
Arthritis
Very High
The risk of experiencing weather-related arthritis pain is very high. Avoid high-impact exercises and embrace low-impact ones like walking.
Sinus Pressure
High
The risk of weather-related sinus pressure is high. Taking a hot shower may help ease sinus pressure.
Common Cold
High
The risk of catching a cold is high. Using a humidifier can help increase humidity, which may help fight symptoms.
Flu
Moderate
The risk of catching the flu is moderate.
Migraine
Low
The risk of suffering from a weather-related migraine is low.
Asthma
Very High
The risk of asthma is very high. Use a humidifier to prevent dry air in your home.
Fishing
Poor
Fishing conditions are poor.
Running
Poor
Conditions for running are poor. Lightening and extremely cold temperatures are unsafe for outdoor runners.
Golf
Poor
Conditions for golfing are poor. Do not play if there is a chance of lightning.
Biking & Cycling
Poor
Conditions for cycling are poor. Avoid outdoor activity if there is a chance of lightning or in extremely cold temperatures.
Beach & Pool
Poor
Conditions for a day at the beach or pool are poor. Stay out of the water if there is a chance of lightning. Only swim in water temperatures below 55 degrees if you have the proper gear.
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
Poor
Composting conditions are poor. Keep your compost area covered.
Outdoor Entertaining
Poor
Conditions for outdoor entertaining will be poor. Consider moving your party indoors or under some form of cover.
Air Travel
Good
Conditions for flying are good. Check the weather at your destination to see if that may cause a weather delay.
Driving
Fair
Conditions for driving are fair. Keep up with your car maintenance, such as inspecting your windshield wipers and checking your tire treads.
Mosquitos
Low
The risk for mosquito activity are low.
Indoor Pests
Extreme
The risk for pest activity is extremely high. Keep windows and doors closed or ensure you have screens when open to prevent entry into your home.
Outdoor Pests
High
The risk for pest activity is high. Replacing outdoor lights with yellow bug lights can attract less insects.
See all

TODAY’S WEATHER FORECAST

3/21
54°Hi
RealFeel® 49°
A.M. downpours, then t-storms

Looking Ahead

Thunderstorms this afternoon

TONIGHT’S WEATHER FORECAST

3/21
43°Lo
RealFeel® 35°
Chilly with periods of rain

TOMORROW’S WEATHER FORECAST

3/22
54°/ 46°
RealFeel® 52°
Showers and a heavier t-storm

Pasadena Weather Radar

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Weather Near Pasadena:

  • Anaheim, CA
  • Long Beach, CA
  • Los Angeles, CA
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