Phra Nakhon Si Ayutthaya air quality · Thailand
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US AQI
No monitor has reported here in the last few hours
Updated · PCD
Pollutants in Phra Nakhon Si Ayutthaya
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Phra Nakhon Si Ayutthaya air quality history
Daily average, 31 days- 66average daily US AQI over 31 days
- 83worst day, 13 October
- 52cleanest day, 25 September
- 0days at Unhealthy or worse
The last 7 days averaged 74, about the same as the week before (73). None of the last 31 days was Good.
Nearby cities
Thailand rankingPhra Nakhon Si Ayutthaya air quality: common questions
How has air quality in Phra Nakhon Si Ayutthaya been recently?
Over the last 31 days with data, Phra Nakhon Si Ayutthaya averaged US AQI 66. The worst day was 13 October at 83; the cleanest was 25 September at 52. 0 days were at Unhealthy or worse.
Where does Phra Nakhon Si Ayutthaya's air quality data come from?
From Pollution Control Department (PCD) · Air4Thai. Good Air does not estimate or adjust these readings.
Source: Pollution Control Department (PCD) · Air4Thai. Readings are published by the monitoring agency and may be revised.