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Air quality in Half Moon Bay
Air quality index (AQI) and PM2.5 air pollution in Half Moon Bay
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Half Moon Bay Air Quality Map
Real-time Half Moon Bay air pollution map
AIR QUALITY DATA CONTRIBUTORS
12 Contributors
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Pollen
What is the pollen count in Half Moon Bay today?
 | Index | Low | |
 | Tree pollen | None | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Half Moon Bay?
| Weather | Mist |
| Temperature | 50°F |
| Humidity | 83% |
| Wind | 11.5 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 90 |
| 2 | Pahrump, Nevada | 80 |
| 3 | Maricopa, Arizona | 77 |
| 4 | Corpus Christi, Texas | 74 |
| 5 | Palm Desert, California | 74 |
| 6 | Canton, Ohio | 71 |
| 7 | Westlake, Louisiana | 69 |
| 8 | Claremont, California | 64 |
| 9 | Sulphur, Louisiana | 64 |
| 10 | The Woodlands, Texas | 64 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Half Moon Bay aqi ranking
Real-time Half Moon Bay air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Terrace Ave | 52 |
| 2 | Sand Dunes Court | 46 |
| 3 | Alsace Lorraine Avenue | 39 |
| 4 | The Tree House | 37 |
| 5 | Coronado Avenue | 35 |
| 6 | Kelly Avenue-Cunha Intermediate Outside | 35 |
| 7 | Half Moon Bay High School Outside | 33 |
| 8 | Le Mans Way | 29 |
| 9 | Bayhill Road | 21 |
| 10 | 480 Tunitas Creek Road | 19 |
(local time)
SEE WORLD AQI RANKING
US AQI
33
live AQI index
Good
Overview
What is the current air quality in Half Moon Bay?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 33 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6µg/m³ | |
!
PM2.5
x1.2
PM2.5 concentration in Half Moon Bay is currently 1.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Half Moon Bay?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Half Moon Bay air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, May 17 | Good 10 AQI US |  | 62.6° 50° |  11.2 mp/h |
| Saturday, May 18 | Good 29 AQI US |  | 62.6° 50° | 11.2 mp/h |
| Sunday, May 19 | Good 32 AQI US | | 59° 48.2° | 11.2 mp/h |
| Today | Good 33 AQI US | | 59° 48.2° | 11.2 mp/h |
| Tuesday, May 21 | Good 39 AQI US |  | 62.6° 50° | 8.9 mp/h |
| Wednesday, May 22 | Good 47 AQI US | | 59° 50° | 11.2 mp/h |
| Thursday, May 23 | Good 32 AQI US | | 55.4° 50° | 17.9 mp/h |
| Friday, May 24 | Good 21 AQI US | | 55.4° 50° | 13.4 mp/h |
| Saturday, May 25 | Good 41 AQI US |  20% | 55.4° 50° | 13.4 mp/h |
| Sunday, May 26 | Good 17 AQI US | 20% | 55.4° 50° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Half Moon Bay air quality data attribution
12Contributors
- Terrace 500
1 station
Individual Contributor
- 11 Anonymous contributors
11 stations
11 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in Half Moon Bay?
AQI US, Metric