Harsh Vardhan contrasted the pollution choking large swathes of north India, including Delhi, with the 1984 gas leak in Bhopal that killed at least 25,000 people and remains the world's worst industrial disaster.
Bhopal, he argued was "an emergency situation where you have to panic and you have to see what you have to do," he said in an interview published on the CNN-18 news channel website on Tuesday.
But on the current smog crisis he said: "I'm not saying we shouldn't do anything about it, everyone has to respond to what he is supposed to do. But there is no need to spread panic among the people."
Harsh Vardhan said "routine precautions" are all that were needed to cope with levels of dangerous pollutants in the air that have exceeded World Health Organization safety guidelines many times over every day for the past week.
A recent report in the Lancet medical journal said pollution had claimed as many as 2.5 million lives in India in 2015, the highest in the world.
Delhi is now the world's most polluted capital according to the WHO, with pollution levels that regularly exceed those of Beijing.
As the city's air quality deteriorated last week the Indian Medical Association declared a public health emergency and urged administrators to "curb this menace".
Authorities temporarily closed schools, banned construction, and restricted trucks from entering the city.
But campaigners say long-term measures are needed to tackle the crisis.
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