India – Air Quality Forecasts


Air pollution has emerged as a major environmental challenge in Indian cities and across the states. Complexity of the problem is due to multiplicity of emission sources, such as, industries, automobiles, generator sets, domestic fuel burning, road side dusts, construction activities, etc and a vibrant meteorology across climatic zones. 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

A sample of the results are displayed below with more details in the individual pages.

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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Hourly Anime

Animations of hourly concentration maps for the next 72 hours

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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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Dust Stroms

Simulated Dust Storm Zones for the Next Three Days

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Our forecasting system also includes a high-resolution medium-range meteorological system for the next 72-hours, processed through 3D-WRF meteorological model and the GFS meteorological fields . The modeling domain covers the Indian subcontinent at a temporal resolution of 1 hour. All the simulation fields are updated everyday at ~17:00 local time. WRF model simulated summary of these meteorological parameters by district for the year 2015, is available for browsing and downloading here.

Rain

Total Precipitation – Daily

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Temp (day)

Average daytime near ground (2m) temperature

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Temp (night)

Average nighttime near ground (2m) temperature

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Winds (day)

Average daytime near surface (10m) winds

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Winds (night)

Average nighttime near surface (10m) winds

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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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All India forecasting results are also summarized at the state level. A composite of the 30-large states is available here.

Modeled PM2.5 concentrations by State (browse here for forecast days)

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Modeled PM2.5 source contributions by State for Day 1 (browse here for forecast days)

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India Air Quality Forecasting

An interactive map of the (current) day average forecasts is presented below. Use the search box to locate a city or a district in the region. Hovering over the district will display the (forecast) modeled day average concentrations.