def GetAQIRangeName(value):
    """Return the AQI range name given an integer value 0..500.

    http://www.sparetheair.org/understanding-air-quality/reading-the-air-quality-index
    """
    if value <= 50:
        return ('Good', 'G')
    if value <= 100:
        return ('Moderate', 'M')
    if value <= 150:
        return ('Unhealthy for Sensitive Groups', 'USG')
    if value <= 200:
        return ('Unhealthy', 'U')
    if value <= 300:
        return ('Very Unhealthy', 'VH')
    return ('Hazardous', 'H')