Type a city name and press Check air quality, or use Use my location - the result shows the US AQI number, category band, and PM2.5 / PM10 / ozone levels.
- Type a city name (or keep the "New York" default) and press Check air quality.
- Or press Use my location to check air quality at your current position instead - no typing needed.
- Read the result: the current US AQI number, its category band, PM2.5 / PM10 / ozone levels, and a 3-day peak-AQI forecast table.
Live AQI Checker by City
Check the current air quality (US AQI) for any city, right in the browser.
A 3-day peak-AQI forecast table below the result answers "will it improve tomorrow" for wildfire-smoke or pollution spikes.
Data comes live from Open-Meteo's free air-quality API - nothing is uploaded and no account is required; the city search uses Open-Meteo's geocoding API.
Location access is optional and only requested after you press Use my location; the browser asks for permission each time you use it, and typing a city name instead needs no permissions at all.
Frequently Asked Questions
What does Live AQI Checker by City do?
Check the current air quality (US AQI) for any city, right in the browser.
When should I reach for live aqi checker by city?
A 3-day peak-AQI forecast table below the result answers "will it improve tomorrow" for wildfire-smoke or pollution spikes.
Does this replace an indoor air-quality sensor or a health advisory?
No. It reports outdoor ambient air quality only - not an indoor air-quality sensor reading and not a substitute for local health advisories during a smoke event.