Air Quality Index Checker – Free Online Tool
Quick Answer
Check real-time air quality and pollution levels for any city worldwide with this free AQI checker from Toolscal. Enter your city and get PM2.5, PM10, and pollutant data without signup or downloads.
Check real-time air quality and pollution levels for any city worldwide
What is Air Quality Index Checker? An air quality checker is a free tool by Toolscal that displays real-time AQI (Air Quality Index) and pollution levels for any city using EPA standards. Monitor PM2.5, PM10, and other pollutants for health protection.
✨ Real-Time Data: Get current air quality information from meteorological services worldwide. Free and no API key required!
💡 Tips
- • Check AQI before morning runs or outdoor exercise
- • PM2.5 is the most concerning pollutant for health
- • AQI above 150 requires precautions for everyone
- • Data is updated in real-time from weather stations
About This Tool
Monitors air quality index and pollutant levels. Data from government and certified monitoring stations.
Accuracy Information
How to Use
- 1Enter a city name (e.g., "Delhi" or "Los Angeles, USA")
- 2Click "Check Air Quality" to get current pollution levels
- 3View AQI, PM2.5, PM10, and other pollutants
- 4Read health recommendations based on air quality
Why Use This Tool?
- Check air quality before outdoor activities
- Monitor pollution levels in your city
- Plan safe exercise times
- Travel planning for sensitive individuals
- Health and respiratory condition management
Frequently Asked Questions
What is AQI?
AQI (Air Quality Index) measures air pollution from 0-500. Toolscal displays real-time AQI with categories: Good (0-50), Moderate (51-100), Unhealthy (101-200), Hazardous (301+).
What is PM2.5?
PM2.5 is fine particulate matter ≤2.5 micrometers that penetrates lungs and bloodstream. Toolscal monitors PM2.5 levels with health recommendations for outdoor activities.
What is a safe AQI level?
0-50 is "Good" (safe for everyone). 51-100 is "Moderate" (acceptable). Above 150, all should limit outdoor activity. Toolscal provides specific health advice for each AQI level.
How often is AQI data updated?
Toolscal uses real-time data from meteorological services, updated hourly. Check frequently during pollution episodes or before outdoor activities.
What should I do at high AQI?
At AQI 150+, limit outdoor exercise. At 200+, avoid outdoor exertion. At 300+, stay indoors. Toolscal shows specific recommendations for each pollution level.
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