AirNow - Air Quality & AQI

Know what you're breathing before you step outside. AirNow gives you clear, real-time air quality data, AQI forecasts and pollutant details for your current location or anywhere you choose. REAL-TIME AIR QUALITY • See the current AQI at a glance • Follow upcoming days to see how conditions may change • Switch between US AQI and European AQI • Track PM2.5, PM10, NO2, O3, SO2 and pollen WEATHER & OUTDOOR TIPS • View temperature and wind information alongside air quality • Get practical tips for walking, sports, sensitive people, picnics and terraces • Understand conditions before planning outdoor activities ANY LOCATION • Use your current position for local readings • Pick another place directly on the map • Useful at home, at work or while traveling PERSONALIZE YOUR EXPERIENCE • Choose Celsius or Fahrenheit • Choose km/h or mph • Select the AQI scale that makes sense for you APPLE WATCH Check key air-quality information from your wrist whenever you need it. AirNow keeps the essentials easy to read so you can understand air pollution quickly and plan your day with more context.