1. Anand A, Ankita B (2011) Revised Air Quality Standards for Particle Pollution and Updates to the Air Quality Index 25:24–29
2. Anand K, Ashish G, Upendu P (2011) A study of ambient air quality status in Jaipur city (Rajasthan, India), using air quality index. Nat Sci 9(6):38–43
3. Balashanmugan P, Ramanathan A, Elango E, Nehru Kumar V (2012) Assessment of ambient air quality Chidambaram a South Indian Town. J Eng Sci Technol 7(3)
4. Daniel D, Alexandra A, Emil L (2011) Fuzzy inference systems for estimation of air quality index. Rom Int J 7(2):63–70
5. Gopal U, Nilesh D (2010) Monitoring of air pollution by using fuzzy-logic. Int J Comput Sci Eng IJCSE 2(7):2282–2286