# California Air Quality Map

> See real-time air quality near you with PurpleAir and Clarity sensors.
- Title: California Air Quality Map · Sfchronicle | Shortify
- Summary: See real-time air quality near you with PurpleAir and Clarity sensors. The San Francisco Chronicle's air quality map shows real-time PM2.5 levels from…
- Keywords: california air quality map, purpleair, clarity air quality sensors, san francisco, pm2.5, tenderloin, south of market, chinatown, bayview hunters point, brightline defense, epa air quality index, news
- Source: Sfchronicle — https://sfchronicle.com/projects/california-air-quality-map
- Read time: 1 min
- Topics: california air quality map, purpleair, clarity air quality sensors, san francisco, pm2.5, tenderloin, south of market, chinatown, bayview hunters point, brightline defense, epa air quality index, news
## Air Quality Map
The San Francisco Chronicle's air quality map shows real-time PM2.5 levels from PurpleAir and Clarity sensors across San Francisco neighborhoods.
## Key Air Quality Levels
Good (< 12 μg/m³), Moderate (< 35.5 μg/m³), Unhealthy for some (< 55.5 μg/m³), Unhealthy for all (< 150.5 μg/m³), Very unhealthy (150.5 μg/m³ or greater).
## Sensors and Data Sources
Most mapped air quality sensors are from PurpleAir, updated every 10 minutes, with 19 Clarity sensors deployed by Brightline Defense in San Francisco neighborhoods.
## Key takeaway

The San Francisco Chronicle's air quality map shows real-time PM2.5 levels from PurpleAir and Clarity sensors across San Francisco neighborhoods.