“The air is bad now. Will it improve before my trip?”
Check the forecast at your destination before changing your plans.
See the four-day forecastKnow the air quality ahead.
See hourly AQI forecasts up to 4 days out, so you can plan when to head outside—and when to wait.
See how it works
Your plans need more than the current AQI.
“It’s clear this morning. Will it stay that way for my whole ride?”
Look through the hourly forecast for the time you expect to be outside.
Explore the hourly forecast“Should I go now or wait until later?”
Find an upcoming window with better air quality.
Find your next best windowToday
See the day’s
air quality.
Check the current Air Quality Index for your location, with a clear assessment of the conditions. The hourly forecast shows how air quality is expected to change through the day.
Save the places you check often, then move between their forecasts.
AirAheadSan Francisco
CURRENT CONDITIONS
US AQI84UNHEALTHY
Limit outdoor time. Turn purifiers on.
HOURLY AQI FORECAST
Now84
2PM88
3PM94
4PM103
5PM112
Best window
Know when
to go.
AirAhead looks through the upcoming hourly forecast to find a suitable stretch of at least two hours outside. See the time range and expected AQI together, so you can decide when to walk, run, or head to the park.
If no suitable window is forecast, the app tells you.
AirAheadSan Francisco
NEXT BEST WINDOW
Tomorrow, 8AM–11AM
US AQI 34–39 · Great or better
Forecast
Plan days
ahead.
Compare the expected AQI range for the next four days. See which days are forecast to be clearer before making your plans.
How the forecast works
AirAhead uses a cutting-edge air quality forecasting model from Google to predict conditions up to four days ahead.
AirAheadSan Francisco
DAILY AQI FORECAST
Today46
118
Sat34
67
Sun18
39
Mon24
52
Map
View the air
around you.
Explore the air quality heatmap to see how conditions vary across an area. Pan and zoom to compare nearby cities or take a look at your destination.
AirAhead
AQI MAPSan Francisco
Map preview coming soon
US AQI HEATMAPCurrent conditions
050100150200300+
Widgets
Put the forecast
on your home screen.
Add widgets for current air quality, upcoming forecasts, or your next best window. Choose a size and location to see the information you check most, without opening the app.
Widgets match the app in light and dark mode.
Get AirAhead.
Know the air quality where you are
and where you’re going.