Not quite. According to the real-time Air Quality Index, the PM 2.5 concentration in Delhi today is as high as 612mpcm. It's even higher in a couple of other cities, however.
Igdir in Turkey is registering a whopping 999. In Piedras Negras, Mexico, the figure is 814. Hazardous readings are also reported in Aguascalientes, Mexico, Carmel, Israel, and Dazhou, China.