Air Quality Index, Air Pollution

AQI - PM2.5 24-hour average

NowCast 12-hour weighted

Purple Air Sensor Data Download Tool

PurpleAir Map with selected sensors

PM2.5 AQI
  0     0  Good
 12    50  Moderate
 35.5 100  Unhealthy for sensitive groups
 55.5 150  Unhealthy
150.5 200  Very Unhealthy
250.5 300  Hazardous
350.5 400
500   500

AQI     0 50 100  150   200   300   400   500
PM2.5   0 12  35.5 55.5 150.5 250.5 350.5 500

China AQI map
China Forecast map
SPRINTARS forecast, pm2.5, soil dust, detailed forecast
SILAM forecast
CAMS forecast

Taiwan Air Quality Monitoring Network Map
Taiwan Air Map

AirNow USA

*** AirNow Forecast Map
San Jose now map
AirVisual San Jose Map with wind
** Purple Air Map (use AQandU or LRAPA conversion for wood smoke, overestimate PM2.5 by ~60%, another 60%, LRAPA)

Bay Area Air Quality Forecast BAAQMD Bay Area Air Quality Management District

** Five-day Air Quality forecast spare the air

** AirNow Fire & Smoke Map (12-hour weighted NowCast, algorithm, with correction factor)
NOAA Air Quality Forecast
Map of San Jose on 2017/10/11
Bay Area Air Quality Management District, Current Air Quality hourly

Berkeley Earth air quality real-time map
Map Centered in Cupertino  Los Altos

California Fire
California Smoke Info 
NOAA Smoke Map : HRRR Prediction, turn on Vertically Integrated Smoke, Near Surface Smoke
Forest Service AirFire BlueSky Smoke Prediction
NWS Sacramento smoke forecast facebook
AirNow smoke current wildfire
NOAA Hazard Mapping System Fire and Smoke Current Analysis
Wild Fire Today: smoke prediction
NWS BayArea twitter
NWS Sacramento
NWS CWSU Oakland twitter

Consumer Grade Indoor Air Quality Monitors: PurpleAir, IQAir AirVisual Pro, foobot

Every Building's Wildfire Risk in California

CalTopo fire history fire activity GEOS live fire detection satellite MODIS VIIRS

HuangZoo

FireMappers WildFire Early Notification Map