Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in San Jose
Air quality index (AQI) and PM2.5 air pollution in San Jose
723 people follow this city
San Jose Air Quality Map
Real-time San Jose air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Weather
What is the current weather in San Jose?
| Weather | Broken clouds |
| Temperature | 78.8°F |
| Humidity | 89% |
| Wind | 7 mp/h |
| Pressure | 29.9 Hg |
3D animated air pollution map
US AQI
43*
live AQI index
Good
Overview
What is the current air quality in San Jose?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 43* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 7.9*µg/m³ | |
!
PM2.5
x1.6
PM2.5 concentration in San Jose is currently 1.6 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in San Jose?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
San Jose air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 43 AQI US |  80% | 84.2° 73.4° |  6.7 mp/h |
| Wednesday, May 29 | Good 27 AQI US | 100% | 84.2° 73.4° | 4.5 mp/h |
| Thursday, May 30 | Good 36 AQI US | 100% | 80.6° 75.2° | 2.2 mp/h |
| Friday, May 31 | Good 35 AQI US | 80% | 87.8° 75.2° | 2.2 mp/h |
| Saturday, Jun 1 | Good 49 AQI US | 60% | 87.8° 77° | 2.2 mp/h |
| Sunday, Jun 2 | Moderate 53 AQI US  | 80% | 87.8° 77° | 2.2 mp/h |
| Monday, Jun 3 | Moderate 58 AQI US | 100% | 86° 75.2° | 4.5 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in San Jose?
No locations are available.
AQI US, Metric