India – Air Quality Forecasts


Air pollution has emerged as a major challenge in Indian cities and the problem becomes more complex due to multiplicity and complexity of the mix of emission sources, such as, industries, automobiles, generator sets, domestic fuel burning, road side dusts, construction activities, etc. Our India air quality forecasting system interjects contributions of pollution for national, regional and urban areas, to better support a long-term air quality management plan and a short-term health alert system. Various products from the forecasting system include

PM2.5

24-hr average for Particulate Matter (less than 2.5 micron-m) (PM2.5)

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PM10

24-hr average for Particulate Matter (less than 10 micron-m) (PM10)

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SO2

24-hr average for Sulfur Dioxide (SO2)

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NO2

24-hr average for Nitrogen Dioxide (NO2)

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CO

24-hr average for Carbon Monoxide (CO)

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Fire Counts

24-hr Open fires map for the Indian Subcontinent (updated with VIIRS feed every 3 hours)

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T (day)

Surface Temperature – Day Time Average

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T (night)

Surface Temperature – Night Time Average

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Winds (day)

Surface Wind Speeds – Day Time Average

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Dust Stroms

Simulated Dust Storm Zones for the Next Three Days

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Met Anime

72-hr animations for surface wind speeds and direction, precipitation, surface temperature, and mixing layer height

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State Forecasts – Particulate Matter (size < 2.5µm) (PM2.5)

India Air Quality Forecasts

An effective air quality management requires reliable information on ambient air pollution levels with substantial spatial and temporal coverage. Air quality data are generally available through air quality measurement campaigns; which is also an ideal database to statistically forecast pollution levels in the next 3-4 days, based on past experiences. However, this database is not enough to explain the highs and the lows, source contributions, and spatial patterns in the observed trends. As part of the forecasting system, we are able to cover this gap via emissions inventory development, dispersion modeling, and source apportionment.