Decades of innovation

the first Vaisala radiosonde. The company starts radiosonde manufacturing in the basement of a residential building in the center of Helsinki.  The first delivery of 20 radiosondes is sent to MIT, USA.

wins a gold medal at the World Fair in Paris.

provide the office for the company. The company is named Mittari Oy, with 28 employees.

is introduced. The Vaisala Sounding System becomes completely electronic.

and changes its name to Vaisala Oy, leaving out the double dots from the Väisälä family name.

Today the magazine provides stories and articles in both online and print formats.

 when Vilho Väisälä donates 3,000 Vaisala shares to the Finnish Academy of Science and Letters. The fund provides annual grants to research in mathematics, physics, meteorology, and astronomy.

The world-first groundbreaking technology revolutionizes the humidity measurement market. The new sensor is used to measure humidity both outdoors and indoors.

for collecting surface observations. This is the start of Vaisala's aviation weather business.

enabling the design and manufacturing of semiconductors in-house. This marks the beginning of Vaisala's industrial business.

brings a new standard in synoptic upper-air weather observation into the market.

that is silicon barometric pressure sensor technology.

by Vaisala and the World Meteorological Organization (WMO) for the best instrumentation paper in meteorology and related fields.

The company’s A shares are listed on the Helsinki Stock Exchange.

into carbon dioxide and dewpoint measurements. The CARBOCAP^® carbon dioxide sensor is based on silicon technology and the DRYCAP^® dewpoint sensor on thin-film polymer technology.

The new high-performing sensors and GPS application for wind measurement are uniquely designed for radiosonde use.

enabling Vaisala to manufacture humidity, barometric pressure, carbon dioxide, and dewpoint sensors in-house.

utilizes infrared optics and laser technology.

provides accurate dual polar metric measuring and new concept in antenna design.

provides accurate real-time lightning information.

a leading company in continuous monitoring systems to strengthen Vaisala’s position in the steadily growing global life science markets.

and receives the LEED Gold certificate. Most of the heating energy is generated by the building’s own geothermal energy system.

expanding into the renewable energy market with a wider range of products and services.

Combined with industry-leading decision support software, it provides intelligent weather information for road authorities.

launches the 4^th generation sounding system.

aiming for 100% by 2020.

opens new opportunities in the power generation and transmission market.

acquiring new products and technology.

is a new online measurement device for transformer dissolved gas analysis, building on unique technology to solve problems in transformer maintenance.

specialized in computer vision and artificial intelligence, bringing Vionice's product portfolio globally to its road and rail customers.

and strengthens its position in remote wind sensing.

a pioneer in in-line liquid measurements for industrial applications.

Vaisala MGP261 is a groundbreaking biogas measurement instrument measuring methane, carbon dioxide and humidity in demanding environments.

strengthening its digital offering. The business serves weather-critical professional customers in transportation, energy, and industry segments.

Technology from Vaisala and the Finnish Meteorological Institute heads to Mars onboard the Perseverance Rover and will form a small-scale measurement network together with the Curiosity Rover.

in its facilities globally. The target was set in 2015 and achieved in 2020 with the combination of self-produced clean energy and green electricity contracts.

It is a unique arena for product development, located on the same campus area as Vaisala’s head office and production facilities in Vantaa.

accelerating growth of its weather and environmental data business.