AddAir quality in Half Moon Bay
Air quality index (AQI⁺) and PM2.5 air pollution in Half Moon Bay • 55.7K Followers • 23:00, May 14 Local time
33
US AQI⁺Good
Main pollutant:
PM2.5
6 µg/m³
12°
11 km/h
99 %
Hourly forecast
Half Moon Bay air quality index (AQI⁺) forecast
Daily forecast
Half Moon Bay air quality index (AQI⁺) forecast
| Today | 27 |  90% | 12° 11° |  27 km/h | 98% |
| Sat | 45 |  | 12° 10° | 36 km/h | 93% |
| Sun | 25 | | 17° 11° | 35 km/h | 75% |
Air pollutants
What is the current air quality in Half Moon Bay?
PM2.5 concentration is currently 1.2 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in Half Moon Bay
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Pollen
What is the pollen count in Half Moon Bay today?
Index
Low
 Tree Low | 25% |
 Grass Low | 25% |
 Weed Low | 25% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in Half Moon Bay today?
Index
Low
Tree Low | 25% |
Grass Low | 25% |
Weed Low | 25% |
Source:
wetter.comProtect yourself from air pollution in Half Moon Bay
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Most polluted locations near Half Moon Bay
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in Half Moon Bay
Historic air quality near Half Moon Bay
History
Historic air quality graph for Half Moon Bay
Historic air quality near Half Moon Bay
History
Historic air quality graph for Half Moon Bay
Most polluted locations near Half Moon Bay
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in Half Moon Bay
Measure your own air quality
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