The Chicago Fed National Activity Index published today stood at negative 0.45 in September.
A positive reading indicates above-average growth, while a negative reading points to below-average growth.
September's reading, although improved from August, marks the second consecutive month the index was in negative territory.
The Chicago Fed noted that all four categories of indicators contributed negatively to the index in September. Those categories are production and income; employment, unemployment and hours; personal consumption and housing; and sales, orders and inventories.