Air Quality

From 29–31 December, most areas across Sri Lanka recorded Unhealthy AQI values, with Unhealthy conditions being predominant. From 01–04 January, air...

From 19–21 December, air quality was poor in Kurunegala, Colombo (Gregory’s Road), Mirihana, Battaramulla (CEA), Chilaw (CEA), Puttalam, Trincomalee,...

From 19–21 December, air quality was poor in Kurunegala, Colombo (Gregory’s Road), Mirihana, Battaramulla (CEA), Chilaw (CEA), Puttalam, Trincomalee,...

This week’s air quality was generally more moderate compared to the beginning of the month, when Unhealthy AQI levels were recorded in many areas. At...

On 27 November, Cyclone Ditwah entered Sri Lanka from the south and moved northward across the country. As it progressed, polluted air began to flow into...

On 27 November, Cyclone Ditwah entered Sri Lanka from the south and moved northward across the country. As it progressed, polluted air began to flow into...

After a week of poor Air quality the previous week (9-16 Nov), AQ has improved this week (17-23 November, 2023). Last week polluted air was transported from...

On 10 November, all monitored areas recorded daily AQI values above 100. On 11, 14, and 15 November, several locations recorded Unhealthy daily AQI levels....

On November 9, 2025, Air Quality across Sri Lanka reached unhealthy levels (AQI above 150). Such levels used to be rare, however, with the AQI in Northern...

On 31 October and 1 November 2025, the Western Coastal region (Colombo, Battaramulla to Chilaw) recorded Unhealthy daily AQI levels exceeding 150. The...