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Air Quality Index (AQI) in Sri Lanka 🇱🇰

Colombo Air Quality Index

AQI INDEX
66
US EPA Standard

PM 2.5 Level
17
µg/m³

US EPA Index
2
Moderate

Live Air Quality Index (AQI) and PM2.5 Levels in Sri Lanka

Currently, the Air Quality Index (AQI) in Colombo, the capital of Sri Lanka, is measured at a score of 66. According to the US EPA health standard, this air quality rating is categorized as Moderate. The current atmosphere in Colombo is influenced by a PM2.5 (fine particulate matter) concentration of 17.2 µg/m³ and PM10 levels recorded at 17.5 µg/m³. Monitoring of gaseous pollutants shows Nitrogen Dioxide (NO2) at 20.1 µg/m³.

Beyond the primary urban hubs, atmospheric conditions and smog levels fluctuate across Sri Lanka 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 Dehiwala-Mount Lavinia, Maharagama, Jaffna, Moratuwa and Negombo. Tracking these air quality metrics is essential for residents nationwide to manage outdoor exposure and maintain respiratory safety during periods of increased particulate concentration.

Sri Lanka Air Quality: Major Cities Index

Pollution Monitor & AQI Forecast: Sri Lanka Regions

* Air Quality Index (AQI) data for Sri Lanka 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 Sri Lanka by cities in alphabetical order:

A B C D E G H J K M N P R S T V W

Frequently Asked Questions about Air Quality in Sri Lanka

What is the air quality in Sri Lanka right now?

The current AQI in Colombo (capital of Sri Lanka) is 66 — categorised as Moderate. Conditions vary across the country — see AQI for all cities for a complete picture.

Which city in Sri Lanka has the worst air quality right now?

Right now, Negombo has the highest AQI reading in Sri Lanka at 73 (Moderate).

Which city in Sri Lanka has the best air quality right now?

Vavuniya currently has the lowest AQI in Sri Lanka at 9 (Good).

What is the PM2.5 level in Colombo today?

The PM2.5 (fine particulate) concentration in Colombo, the capital of Sri Lanka, is currently 17.2 µg/m³. The WHO 24-hour guideline is 15 µg/m³.

Is the air in Sri Lanka safe to breathe today?

Most cities in Sri Lanka currently report acceptable air-quality levels, though local conditions vary.

What are the cleanest cities in Sri Lanka right now?

Top 5 cities in Sri Lanka with the best (lowest) AQI right now:

  • Vavuniya: AQI 9 — Good
  • Kalmunai: AQI 11 — Good
  • Batticaloa: AQI 16 — Good
  • Ampara: AQI 17 — Good
  • Point Pedro: AQI 18 — Good
What are the most polluted cities in Sri Lanka right now?

Top 5 cities in Sri Lanka with the worst (highest) AQI right now:

  • Negombo: AQI 73 — Moderate
  • Katunayaka: AQI 73 — Moderate
  • Colombo: AQI 66 — Moderate
  • Dehiwala-Mount Lavinia: AQI 63 — Moderate
  • Maharagama: AQI 63 — Moderate

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