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View our real-time, 3D animated air pollution map. Set up a monitor and join our global community of contributors increasing access to air quality data. See the most polluted cities around the world. Learn about our featured data contributors around the world and how they help their communities improve air quality. IQAir AirVisual Platform offers easy and convenient ways to share data and provide critical air quality data globally. Shop high performance commercial air purifiers now. Powerful air purification, quiet performance, stunning design. A massive fire has led to evacuations and is affecting air quality in Wyoming. Find out more about the Elk Fire. Millions of Floridians were forced to evacuate in the face of the second deadly hurricane in two weeks. Wildfires are affecting air quality and burning acres of prairie across western North Dakota. Find out more about these fires. A life-threatening hurricane is speeding towards the Florida coast and putting millions at risk from flooding, storm surge, and high winds. Find out more about this weather event. Storm Boris has killed 16 people in multiple Central European countries. Find out more about this deadly weather event. Learn about Permian Health's innovative approach to improving air quality in Gambia, using cutting-edge technology to reveal invisible pollutants and safeguard public health. An innovative cycling path in Bangkok is providing air quality information to thousands. Read on and see why. Learn more. Crop burning is a common, worldwide practise — and the smoke from agricultural fires can have a terrible impact on our health. Read to better understand why. Last update at , Oct 18 Local time. Free iOS and Android air quality app. Interested in hourly forecast? Get the app. It is a major industrial centre, an active river port and an important railway junction. It is the capital of its region and district. A census conducted at the beginning of estimated the population to be approximately 91, people. This United States Air Quality Index number is calculated using the levels of six of the most prolific air pollutants, such as nitrogen dioxide, sulphur dioxide, ozone, carbon monoxide and both sizes of particulate matter, which are PM2. It can then be used as the metric when comparing air quality in other cities around the world. If data is unavailable for all 6 pollutants, a figure can still be calculated by using what figures there are. The only pollutant measured here was PM2. This level of PM2. Although no amount of air pollution is considered to be safe. Those who are more sensitive to poor quality air should avoid venturing outside until it improves. If this is unavoidable, then a good quality face mask should be worn at all times. All types of outdoor exercise should be avoided until the air quality improves. There is a downloadable app from AirVisual. Air quality can be very volatile as it is affected by many variables. Looking back at the figures published by IQAir. This occurred in February and from May until the end of September. The cleanest month was July with a 7. The dirtiest month was January with a reading of Records regarding air quality were first kept in when a figure of This declined the following year to However, it improved in to This low figure was to be expected because it may have been affected by the COVID pandemic as many vehicles were no longer in daily use because the offices were closed, in an attempt to halt the spread of the virus. Many factories and non-essential production units were also required to close which removed their emissions from the atmosphere, albeit on a temporary basis. Worldwide, cities reported a much better quality of air due to the general lack of traffic pollution in city centres due to the pandemic. It can thus pose a health risk. This was shown by measurements carried out by the Centre for Environment and Health in nine regional cities for four weeks in March and April Current research shows that air pollution with nitrogen oxides poses a risk even at values that meet the limits. The main sources of nitrogen oxides are high-temperature processes in internal combustion engines of cars and in stationary sources, such as power plants, heating plants, gas boilers or waste incinerators. The level of air pollution is improving, but only slowly. The biggest problems are caused by airborne dust, benzo a pyrene and tropospheric ozone. The source of pollution is surface lignite mining and its combustion in coal-fired power plants and there are 4 active quarries in the region. The area of the quarries where coal mining takes place is large and dust is removed from unpaved surfaces. Another pollutant is the large chemical plant, where oil refining is carried out. Air quality in Europe has improved significantly in recent decades, but pollutants still harm our health and the environment. Pollution reduction measures would improve our quality of life, save money on health care, increase worker productivity and protect the environment. Europe's air is much cleaner than it was about 50 years ago, when the European Union and its Member States began implementing measures on air quality and pollution prevention and control. European, national and local measures have been able to reduce pollution from transport, industry and energy. According to the State Institute of Public Health of the Czech Republic, the incidence of asthma in children has more than doubled in the last twenty years, which means that every tenth Czech child is now asthmatic! As also confirmed by a UNICEF study, long-term exposure to smog poses a significant risk to the proper development of children's brains. Children then perform worse than their classmates growing up in unpolluted air. Smog is a man-made air pollution and most often contains smoke, industrial fumes and harmful gases. It is formed under adverse weather conditions, especially during inversion, when pollutants accumulate in certain places in cities and industrial areas. Our health is first affected by smog at the level of the respiratory system: it worsens asthma, causes other breathing problems and often irreversible lung damage. View our real-time, 3D animated air pollution map View our interactive air quality map Join the movement Set up a monitor and join our global community of contributors increasing access to air quality data. Download our free air quality app Live AQI city ranking See the most polluted cities around the world. Featured contributors Learn about our featured data contributors around the world and how they help their communities improve air quality. Join the movement Set up a monitor and join our global community of contributors increasing access to air quality data. Find a dealer Find a dealer Find a dealer. IQAir Mask The ultimate face mask. Atem Desk The most effective personal air purifier. Sign in. Air Quality. Air Monitors. Air Purifiers. For Business. Live AQI city ranking. Explore world air quality. Historic air quality data Air Quality News. Free website widget. Air quality API. AirVisual Sensors. Featured contributors. Join the movement. Celebrating Swiss National Day 3 months ago. HealthPro Series Award winning, Medical-grade air filtration. Buy Now. Stand-Alone Air Purification. Commercial Air Purification Shop high performance commercial air purifiers now. Atem X Powerful air purification, quiet performance, stunning design. Cleanroom H13 Microbiological Management. CleanZone Series High performance with ultra-low noise. Face Mask. Air Quality Monitoring. Air Quality Platform The leading air quality monitoring platform. Personal Air Purifiers. Clean air facility. Dental offices. Latest news. Indoor Air Quality Alert: Hurricane Milton Flooding Millions of Floridians were forced to evacuate in the face of the second deadly hurricane in two weeks. Indoor Air Quality Alert: Hurricane Helene Flooding A life-threatening hurricane is speeding towards the Florida coast and putting millions at risk from flooding, storm surge, and high winds. Air quality. Revealing the Invisible: Raising air quality awareness along a Bangkok bike lane An innovative cycling path in Bangkok is providing air quality information to thousands. Crop burning smoke: A global health threat Crop burning is a common, worldwide practise — and the smoke from agricultural fires can have a terrible impact on our health. Product Support. Warranty Registration. Knowledge Base. Join the movement! Get a monitor and contribute to air quality data in your city. Index Low. Source: tomorrow. HealthPro Series. Find the perfect air purifier. Atem Series. Smart Air Purifiers. US AQI News The latest air quality news and resources. Created with Highcharts 6. AQI PM2. How to best protect from air pollution? What are some of the detrimental effects of breathing polluted air? Your cart is empty. About IQAir. Business Solutions. All rights reserved. Tree pollen. Grass pollen. Weed pollen. Ostrava, Moravskoslezsky. Brno, South Moravian. Pilsen, Plzensky. Prague, Praha. Usti n. Sensitive groups should reduce outdoor exercise.