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Air quality in Foster City
Air quality index (AQI) and PM2.5 air pollution in Foster City
27.8K people follow this city
Foster City Air Quality Map
Real-time Foster City air pollution map
AIR QUALITY DATA CONTRIBUTORS
6 Contributors
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Pollen
What is the pollen count in Foster City today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Foster City?
| Weather | Clear sky |
| Temperature | 53.6°F |
| Humidity | 88% |
| Wind | 27.6 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Corpus Christi, Texas | 108 |
| 2 | Mecca, California | 93 |
| 3 | Yucaipa, California | 81 |
| 4 | Pahrump, Nevada | 79 |
| 5 | Redlands, California | 77 |
| 6 | Lubbock, Texas | 74 |
| 7 | Rancho Cucamonga, California | 73 |
| 8 | San Bernardino, California | 70 |
| 9 | Claremont, California | 69 |
| 10 | North Hollywood, California | 68 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Foster City aqi ranking
Real-time Foster City air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Mariners Point, Foster City | 7 |
| 2 | Niantic Drive | 3 |
| 3 | Beach Park Boulevard | 1 |
| 4 | Ketch Park | 1 |
| 5 | Shad Park | 1 |
| 6 | Sea Spray Lane | 0 |
(local time)
SEE WORLD AQI RANKING
US AQI
1
live AQI index
Good
Overview
What is the current air quality in Foster City?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 1 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 0.2µg/m³ | |
| PM10 | 1.4µg/m³ | |
✓
PM2.5 concentration in Foster City air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Foster City?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Foster City air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Thursday, May 30 | Good 36 AQI US |  | 73.4° 50° |  8.9 mp/h |
| Friday, May 31 | Good 29 AQI US | | 64.4° 50° | 17.9 mp/h |
| Saturday, Jun 1 | Good 9 AQI US |  | 66.2° 53.6° | 11.2 mp/h |
| Today | Good 1 AQI US | | 66.2° 53.6° | 11.2 mp/h |
| Monday, Jun 3 | Good 18 AQI US | | 64.4° 51.8° | 8.9 mp/h |
| Tuesday, Jun 4 | Good 32 AQI US | | 75.2° 51.8° | 11.2 mp/h |
| Wednesday, Jun 5 | Moderate 58 AQI US  | | 73.4° 53.6° | 8.9 mp/h |
| Thursday, Jun 6 | Good 45 AQI US | | 71.6° 51.8° | 6.7 mp/h |
| Friday, Jun 7 | Good 42 AQI US | | 73.4° 51.8° | 8.9 mp/h |
| Saturday, Jun 8 | Good 34 AQI US | | 64.4° 51.8° | 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?
Foster City air quality data attribution
6Contributors
- AirGradient
1 station
Corporate Contributor
- 5 Anonymous contributors
5 stations
5 Anonymous Contributors
2 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in Foster City?
AQI US, Metric