Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality near East Barham Drive, San Marcos
Air quality index (AQI) and PM2.5 air pollution near East Barham Drive, San Marcos
333 people follow this station
Air Quality Map
Real-time East Barham Drive air pollution map
AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesPollen
What is the pollen count in East Barham Drive today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near East Barham Drive, San Marcos?
| Weather | Broken clouds |
| Temperature | 57.2°F |
| Humidity | 82% |
| Wind | 4.6 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 66 |
| 2 | Yucaipa, California | 66 |
| 3 | Wilmington, Delaware | 65 |
| 4 | Hesperia, California | 64 |
| 5 | Lubbock, Texas | 62 |
| 6 | Mecca, California | 61 |
| 7 | Pahrump, Nevada | 59 |
| 8 | Reseda, California | 59 |
| 9 | San Fernando, California | 59 |
| 10 | Campo, California | 58 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live aqi station ranking
Real-time San Marcos air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Tucana Drive | 29 |
| 2 | CSUSM COMMONS | 12 |
| 3 | East Barham Drive | 11 |
(local time)
SEE WORLD AQI RANKING
US AQI
11
live AQI index
Good
Overview
What is the current air quality near East Barham Drive, San Marcos?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 11 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.7µg/m³ | |
Health Recommendations
What is the current air quality near East Barham Drive, San Marcos?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
East Barham Drive, San Marcos air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Sunday, Apr 28 | Good 8 AQI US | |||
| Monday, Apr 29 | Good 7 AQI US | |||
| Tuesday, Apr 30 | Good 10 AQI US | |||
| Today | Good 11 AQI US |  | 68° 55.4° |  8.9 mp/h |
| Thursday, May 2 | Good 31 AQI US | | 69.8° 53.6° | 8.9 mp/h |
| Friday, May 3 | Good 46 AQI US | | 71.6° 53.6° | 11.2 mp/h |
| Saturday, May 4 | Moderate 54 AQI US  | | 68° 53.6° | 13.4 mp/h |
| Sunday, May 5 | Good 21 AQI US |  80% | 59° 51.8° | 17.9 mp/h |
| Monday, May 6 | Good 8 AQI US | | 66.2° 50° | 8.9 mp/h |
| Tuesday, May 7 | Good 14 AQI US | | 69.8° 51.8° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
East Barham Drive air quality data attribution
Contributor
Anonymous Contributor
Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in San Marcos?
AQI US, Metric