Half Moon Bay, CA

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Half Moon Bay, CA Weather
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Today

 Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Current Weather

11:46 PM

55°F
RealFeel® 55°
Air Quality Fair
Wind SW 4 mph
Wind Gusts 8 mph
Cloudy More Details

Current Air Quality

Thursday

5/26

29
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
Tree Pollen
Moderate
The risk of tree pollen symptoms is moderate.
Ragweed Pollen
Low
The risk for ragweed pollen symptoms is low.
Mold
Low
The risk of mold allergy symptoms is low.
Grass Pollen
Moderate
The risk of grass pollen symptoms is moderate. Be sure to keep your windows and doors closed.
Dust & Dander
Low
The risk of dust and dander allergy symptoms is low.
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
Fair
Fishing conditions are fair.
Running
Great
Conditions for running are great. Be sure to warm up and cool down adequately.
Golf
Great
Conditions for golfing are great. Stay hydrated when spending time in the sun.
Biking & Cycling
Great
Conditions for cycling are great. Be sure you have the correct gear to keep your core temperature warm during winter months and cool during hot weather.
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
Great
Conditions for hiking are great. Wear sunscreen and UV-protective clothing.
Lawn Mowing
Great
Conditions for lawn mowing are great. Ensure you are servicing your mower frequently to keep the blades sharp.
Composting
Fair
Composting conditions are fair. All materials you add should be shredded or broken into smaller pieces.
Outdoor Entertaining
Good
Conditions for outdoor entertaining will be good. Make sure you have shade available, so guests do not overheat.
Air Travel
Ideal
Conditions for flying are ideal. Have a safe trip.
Driving
Ideal
Conditions for driving are ideal.
Mosquitos
Low
The risk for mosquito activity are low.
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
Low
The risk for pest activity is low.
See all

TONIGHT’S WEATHER FORECAST

5/26
51°Lo
RealFeel® 47°
Rather cloudy

TOMORROW’S WEATHER FORECAST

5/27
59°/ 50°
RealFeel® 61°
Low clouds breaking

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