AirNow - Air Quality & AQI

Overview

About this app

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.

Latest version

What’s new

Version 1.2.4 · Oct 1, 2026

Bug fixes and performance improvements.