Air Quality Monitor (PM2.5)
Monitor air quality in real-time with detailed pollutant information including PM2.5, PM10, and the US Air Quality Index. Color-coded levels help you understand air quality at a glance with health recommendations.
How to Use Air Quality Monitor (PM2.5)
- Paste or enter your data in the input field above.
- The result appears instantly — no button press needed.
- Copy the output to your clipboard with one click.
Frequently Asked Questions
- What is PM2.5?
- PM2.5 refers to fine particulate matter with a diameter of 2.5 micrometers or less. These tiny particles can penetrate deep into the lungs and cause health issues when levels are high.
- What is a good AQI level?
- An AQI of 0-50 is considered "Good" (green), 51-100 is "Moderate" (yellow), 101-150 is "Unhealthy for Sensitive Groups" (orange), and higher values indicate increasingly unhealthy air.
- Where does the data come from?
- Air quality data is provided by Open-Meteo's Air Quality API, which aggregates data from various environmental monitoring stations worldwide.