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Air PurifierUpdated November 24, 2025
Top pick
Blueair Blue Pure 411 Auto Air Purifier

Blueair

Blueair Blue Pure 411

₹16,999

VS
Sharp FP-J30M-B Air Purifier with Plasmacluster Technology

Sharp

Sharp FP-J30M-B

₹8,490

Blueair Blue Pure 411 vs Sharp FP-J30M-B

An in-depth comparison to help you choose the right air purifier for your needs.

Price gap

₹8,509

Score gap

9 pts

Rating gap

0.5

Editor's analysis

The expert read

A hand-written take on how these two compare in the real world.

Japanese Plasmacluster vs Swedish HEPASilent: Sharp FP-J30M-B at Rs 8,490 vs Blueair Blue Pure 411 at Rs 16,999. Both bring unique patented technologies but at a Rs 8,509 price gap. The Blueair offers higher CADR (350 vs 240 m3/hr), more coverage (38 vs 28 sq m), quieter 17 dB operation, and the lightest build at 1.52 kg. The Sharp counters with Plasmacluster pathogen neutralization and a much lower price. Technology innovation at two different price points.

Round by round

Head to head

How each product stacks up across the key dimensions.

Product A

Blueair Blue Pure 411

4

wins

VS

Product B

Sharp FP-J30M-B

2

wins

Price
A

₹16,999

Winner

₹8,490

User Rating
Winner

4.6 / 5

B

4.1 / 5

Our Score
Winner

89/100

B

80/100

Popularity
A

756 reviews

Winner

987 reviews

CADR (Clean Air Delivery Rate)
Winner

350 m³/hr

B

240 m³/hr

Coverage Area
Winner

38 sq m

B

28 sq m

Quick summary

The short version

Japanese Plasmacluster vs Swedish HEPASilent: Sharp FP-J30M-B at Rs 8,490 vs Blueair Blue Pure 411 at Rs 16,999. Both bring unique patented technologies but at a Rs 8,509 price gap.

Blueair Blue Pure 411

Best overall

Blueair Blue Pure 411

₹16,9994.6/5vs Sharp FP-J30M-B
Check price

The Blueair Blue Pure 411 is the better air purifier overall with superior CADR, more coverage, and the quietest operation available. The Sharp FP-J30M is the value pick that adds unique pathogen protection at Rs 7,000 less. Both bring innovative technology - your choice depends on whether you value purification power or pathogen neutralization more.

Side by side

The products

Each pick at a glance, what they include and what they cost.

Our Pick
Blueair Blue Pure 411 Auto Air Purifier

Blueair

Blueair Blue Pure 411

4.6(756)
₹16,999

Inclusive of all taxes

Check Price on Amazon

Key Features

  • Swedish design and engineering
  • HEPASilent technology combines mechanical and electrostatic filtration
  • Extremely quiet operation at 17 dB

Specs at a Glance

CADR (Clean Air Delivery Rate)

350 m³/hr

Coverage Area

38 sq m

Filter Type

HEPASilent Technology

Noise Level

17-46 dB

Sharp FP-J30M-B Air Purifier with Plasmacluster Technology

Sharp

Sharp FP-J30M-B

4.1(987)
₹8,490

Inclusive of all taxes

Check Price on Amazon

Key Features

  • Unique Plasmacluster Ion technology
  • 3-stage filtration system
  • Low power consumption at 27W

Specs at a Glance

CADR (Clean Air Delivery Rate)

240 m³/hr

Coverage Area

28 sq m

Filter Type

HEPA + Activated Carbon + Plasmacluster Ion

Noise Level

23-48 dB

Prices accurate as of 24/11/2025. Prices and availability on Amazon.in may change.

What sets them apart

Key differences

The decisions you are actually making when you pick one over the other.

₹8,509 price difference

Sharp FP-J30M-B

The Sharp FP-J30M-B is 50% more affordable, saving you ₹8,509. This is a significant price gap that could be a deciding factor.

Blueair Blue Pure 411 is rated higher by users

Blueair Blue Pure 411

With 4.6 stars from 756 reviews, the Blueair Blue Pure 411 has stronger customer satisfaction.

CADR (Clean Air Delivery Rate): 350 m³/hr vs 240 m³/hr

Blueair Blue Pure 411

The Blueair Blue Pure 411 leads in cadr (clean air delivery rate) with 350 m³/hr compared to 240 m³/hr.

Coverage Area: 38 sq m vs 28 sq m

Blueair Blue Pure 411

The Blueair Blue Pure 411 leads in coverage area with 38 sq m compared to 28 sq m.

Noise Level: 17-46 dB vs 23-48 dB

Blueair Blue Pure 411

The Blueair Blue Pure 411 is more efficient in noise level with 17-46 dB compared to 23-48 dB.

Spec sheet

Detailed Specifications

Side-by-side numbers with subtle highlighting on the stronger value.

SpecificationBlueair Blue Pure 411Sharp FP-J30M-B
Price₹16,999₹8,490
Rating4.6 / 5(756)4.1 / 5(987)
CADR (Clean Air Delivery Rate)350 m³/hr240 m³/hr
Coverage Area38 sq m28 sq m
Filter TypeHEPASilent TechnologyHEPA + Activated Carbon + Plasmacluster Ion
Noise Level17-46 dB23-48 dB
Power Consumption10W27W
Warranty1 year1 year
Dimensions200 x 200 x 425 mm399 x 230 x 540 mm
Weight1.52 kg6 kg

Highlighted cells indicate the stronger value in that row.

Strengths and tradeoffs

Pros and cons

Where each pick shines, and where you'll have to compromise.

Blueair Blue Pure 411

89/100

Excellent value

What we like

  • Quietest air purifier in the market
  • Extremely energy efficient at 10W
  • Lightweight and portable design
  • Scandinavian minimalist aesthetic
  • Good CADR for compact size

What could be better

  • Expensive for the coverage area
  • Filter replacements cost ₹4200
  • No smart features or display
  • Limited to small/medium rooms
  • No air quality indicator

Sharp FP-J30M-B

80/100

Excellent value

What we like

  • Budget-friendly under ₹10,000
  • Unique Plasmacluster technology
  • Very low power consumption
  • Quiet operation suitable for bedrooms
  • Japanese brand reliability

What could be better

  • Small coverage area (28 sq m only)
  • Lower CADR compared to competitors
  • Filter replacement can be expensive
  • Limited to small rooms only

Decision guide

Which one should you buy?

Pick the one that matches your priorities, not the spec sheet.

Choose

Blueair Blue Pure 411

If you want

  • Plasmacluster Ion technology for virus/bacteria neutralization is priority
  • Your room is under 300 sq ft and the 28 sq m coverage suffices
  • Budget under Rs 10,000 is the constraint
  • You value pathogen protection over raw purification speed

Choose

Sharp FP-J30M-B

If you want

  • Higher 350 m3/hr CADR for faster air cleaning in pollution
  • Wider 38 sq m coverage for medium rooms is needed
  • Ultra-quiet 17 dB and ultra-light 1.52 kg are important
  • HEPASilent technology at 10W for near-zero energy cost

Buying tip

These two purifiers complement each other beautifully. The Sharp's Plasmacluster neutralizes pathogens while the Blueair's HEPASilent maximizes particle removal efficiency. If budget allows both (Rs 27,000 total), using the Sharp in the bedroom and Blueair in the living room gives you the best of both technologies across your home.

Ready to decide?

Pick your winner and grab today's price

Pick
Blueair Blue Pure 411

Blueair Blue Pure 411

₹16,999

Buy on Amazon
Sharp FP-J30M-B

Sharp FP-J30M-B

₹8,490

Buy on Amazon

Quick answers

Frequently Asked Questions

Blueair 411 vs Sharp FP-J30M - which technology is better?

Different technologies for different goals. Blueair's HEPASilent optimizes particle filtration with electrostatic charging for maximum efficiency at minimum noise and power. Sharp's Plasmacluster releases ions to neutralize airborne pathogens. For pollution particles, Blueair. For virus/bacteria protection, Sharp.

Is the Blueair worth Rs 7,000 more than the Sharp?

If room coverage (38 vs 28 sq m) and CADR (350 vs 240 m3/hr) matter, yes - the Blueair is significantly more powerful. If Plasmacluster pathogen protection is your priority and your room is small, the Sharp at Rs 7,000 less with unique technology is hard to beat.

Which is the lightest and most portable?

The Blueair at 1.52 kg is dramatically lighter than the Sharp at 6 kg. The Blueair can be picked up with one hand and moved between rooms effortlessly. The Sharp is more of a fixed placement device due to its weight.