Current Weather

6:11 AM

50°F

Mostly cloudy More Details

Current Air Quality

Today

11/28

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
Learn more at

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

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Tree Pollen

Low

The risk of tree pollen symptoms is low.

Ragweed Pollen

Moderate

The risk for ragweed pollen symptoms is moderate. Avoid walking in areas with tall grass or plants.

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

Moderate

The risk of dust and dander allergy symptoms is moderate. Closing your windows on windy days can help prevent outside dust or dander from getting into your home.

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

Moderate

The risk of asthma symptoms is moderate.

Fishing

Good

Fishing conditions are good. Fishing in the early morning or dusk hours can help you get a catch.

Running

Ideal

Conditions for running are ideal.

Golf

Great

Conditions for golfing are great. Stay hydrated when spending time in the sun.

Biking & Cycling

Ideal

Conditions for cycling are ideal.

Beach & Pool

Good

Conditions for a day at the beach or pool are good. Be sure to wear sunscreen and UV-protective clothing when spending time outdoors.

Stargazing

Poor

Conditions for stargazing are poor.

Hiking

Ideal

Conditions for hiking are ideal. Plan your route with enough time to finish before sundown.

Lawn Mowing

Ideal

Conditions for lawn mowing are ideal. Try to water your grass at least one inch every week to keep it strong in case of a drought.

Composting

Fair

Composting conditions are fair. All materials you add should be shredded or broken into smaller pieces.

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

Great

Conditions for driving are great. Remain prepared for changing weather by tracking ongoing forecasts.

Mosquitos

Moderate

The risk for mosquito activity are moderate. Eliminate any standing water on your property where mosquitoes can breed.

Indoor Pests

High

The risk for pest activity is high. Replacing outdoor lights with yellow bug lights can attract less insects near 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

11/28

65°Hi

RealFeel® 65°

Low clouds, then some sun

TONIGHT’S WEATHER FORECAST

TOMORROW’S WEATHER FORECAST

11/29

66°/ 44°

RealFeel® 68°

Sunshine and patchy clouds

Looking Ahead

Expect showery weather Thursday evening through Friday afternoon

Diamond Bar Weather Radar

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Today

Current Weather

Current Air Quality

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

Learn more at

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.

TODAY’S WEATHER FORECAST

TONIGHT’S WEATHER FORECAST

TOMORROW’S WEATHER FORECAST

Looking Ahead

Diamond Bar Weather Radar

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Weather Near Diamond Bar:

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