Air Quality Index (AQI) in Tonga 🇹🇴
Live Air Quality Index (AQI) and PM2.5 Levels in Tonga
Currently, the Air Quality Index (AQI) in Nuku‘alofa, the capital of Tonga, is measured at a score of 58. According to the US EPA health standard, this air quality rating is categorized as Moderate. The current atmosphere in Nuku‘alofa is influenced by a PM2.5 (fine particulate matter) concentration of 12.6 µg/m³ and PM10 levels recorded at 21.6 µg/m³. Monitoring of gaseous pollutants shows Nitrogen Dioxide (NO2) at 0.1 µg/m³.
Beyond the primary urban hubs, atmospheric conditions and smog levels fluctuate across Tonga based on industrial output, traffic density, and local weather patterns. Real-time pollution data and respiratory health alerts are also being actively monitored in cities like Nuku'alofa. Tracking these air quality metrics is essential for residents nationwide to manage outdoor exposure and maintain respiratory safety during periods of increased particulate concentration.
Tonga Air Quality: Major Cities Index
* Air Quality Index (AQI) data for Tonga is calculated using the US EPA standard. Information is processed from multiple monitoring stations detecting PM2.5, PM10, and gaseous pollutants to ensure accuracy for respiratory health planning.
Browse Air Quality in Tonga by cities in alphabetical order:
Frequently Asked Questions about Air Quality in Tonga
What is the air quality in Tonga right now?
The current AQI in Nuku‘alofa (capital of Tonga) is 58 — categorised as Moderate. Conditions vary across the country — see AQI for all cities for a complete picture.
Which city in Tonga has the worst air quality right now?
Right now, Nuku'alofa has the highest AQI reading in Tonga at 58 (Moderate).
Which city in Tonga has the best air quality right now?
Nuku'alofa currently has the lowest AQI in Tonga at 58 (Moderate).
What is the PM2.5 level in Nuku‘alofa today?
The PM2.5 (fine particulate) concentration in Nuku‘alofa, the capital of Tonga, is currently 12.6 µg/m³. The WHO 24-hour guideline is 15 µg/m³.
Air Quality Scales & Resources
Wondering what these AQI numbers mean for your health? Our worldwide air quality guide explains every level of the AQI, PM2.5, PM10, ozone, NO2, CO and SO2 scales, with practical health advice for each range.
→ Understanding Air Quality Levels: read the full guide