Is it truth that we are living in the Aquarius era?

Yes. That a new astrological Aquarius era (eon) is going to replace the Pisces era has been a constantly debated issue for more than 100 years.  
There are different time cycles some of which known as small or big time. Indian philosophy, Plato’s teachings, Jung’s psychology and many other philosophies, mythologies or spiritual movements are familiar with this phenomenon. At the beginning of each new era there is a change and an activation of a big archetypal energy which has enormous effects on historical and political events, economy and the lives of individuals.
Here is how Liz Green describes the difference between the Pisces era and the Aquarius era: during the Pisces era subjects were love, mercy, unselfishness and sacrifice (no matter if these subjects were really practiced or not), while today we speak about collective consciousness, energy, organizations and scientific and technological discoveries (Relating, S. W., 1977).  It is worth adding that the Aquarius era is not atheistic, but more oriented to the question of energy than spirit.
Each time cycle inevitably brings changes that make people accept them. Now, again, like 2000 years ago, at the time when Christianity appeared, we have an abundance of new movements, religions, sects, prophets, sciences etc. So many that an ordinary person cannot be acquainted with all of them. (It is surprising how often the book The Prophet by Khalil Gibran has been quoted in the last twenty years!)
While you are reading this you may think that it has nothing to do with you because you wish to contact a Feng shui consultant or an astrologist because you only want to know why you are facing a divorce or why you have troubles at work. Indeed, you will discuss your personal problems with the astrologer but it is good to know which archetypical energy is activated since everything is reflected in everything.