"pollution data"

#13456654

16 Mar 2026

Snow-capped mountain ranges are visible behind the Narayanhiti Palace as air quality improves in the Kathmandu Valley following rainfall and snowfall in surrounding regions in Kathmandu, Nepal, on March 16, 2026. The precipitation has helped clear the thick smog that had blanketed the capital in recent days, significantly improving visibility. Earlier in the week, Kathmandu ranked among the world's most polluted cities, with the Air Quality Index (AQI) reaching very unhealthy levels above 200, placing the city among the top three most polluted cities globally according to data from IQAir's AirVisual monitoring platform.

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#13456655

16 Mar 2026

Snow-capped mountain ranges are visible behind the Narayanhiti Palace as air quality improves in the Kathmandu Valley following rainfall and snowfall in surrounding regions in Kathmandu, Nepal, on March 16, 2026. The precipitation has helped clear the thick smog that had blanketed the capital in recent days, significantly improving visibility. Earlier in the week, Kathmandu ranked among the world's most polluted cities, with the Air Quality Index (AQI) reaching very unhealthy levels above 200, placing the city among the top three most polluted cities globally according to data from IQAir's AirVisual monitoring platform.

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#13456656

16 Mar 2026

Snow-capped mountain ranges are visible behind the Narayanhiti Palace as air quality improves in the Kathmandu Valley following rainfall and snowfall in surrounding regions in Kathmandu, Nepal, on March 16, 2026. The precipitation has helped clear the thick smog that had blanketed the capital in recent days, significantly improving visibility. Earlier in the week, Kathmandu ranked among the world's most polluted cities, with the Air Quality Index (AQI) reaching very unhealthy levels above 200, placing the city among the top three most polluted cities globally according to data from IQAir's AirVisual monitoring platform.

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#13439095

13 Mar 2026

A dense layer of smog engulfs the Kathmandu Valley in Kathmandu, Nepal, on March 13, 2026. Air pollution intensifies across the bowl-shaped capital, with the Air Quality Index (AQI) fluctuating between 200 and 250, placing the city in the ''very unhealthy'' category and among the world's most polluted cities, according to data from the air quality monitoring platform IQAir's AirVisual. Measurements show fine particulate matter (PM2.5) at 129.9 micrograms per cubic meter--more than 25 times higher than the safe limit recommended by the World Health Organization--while PM10 levels reach 100.3 ug/m3. Nepal's national AQI scale classifies readings above 200 as very unhealthy and levels exceeding 300 as hazardous. The Ministry of Health and Population advises residents to take protective measures, noting that long-term exposure to polluted air can lead to serious health complications including asthma, chronic obstructive pulmonary disease (COPD), heart disease, stroke, and lung cancer. Studies on air pollution also link prolonged exposure to increased risks of diabetes, reduced lung function, and premature death.

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#13439096

13 Mar 2026

A dense layer of smog engulfs the Kathmandu Valley in Kathmandu, Nepal, on March 13, 2026. Air pollution intensifies across the bowl-shaped capital, with the Air Quality Index (AQI) fluctuating between 200 and 250, placing the city in the ''very unhealthy'' category and among the world's most polluted cities, according to data from the air quality monitoring platform IQAir's AirVisual. Measurements show fine particulate matter (PM2.5) at 129.9 micrograms per cubic meter--more than 25 times higher than the safe limit recommended by the World Health Organization--while PM10 levels reach 100.3 ug/m3. Nepal's national AQI scale classifies readings above 200 as very unhealthy and levels exceeding 300 as hazardous. The Ministry of Health and Population advises residents to take protective measures, noting that long-term exposure to polluted air can lead to serious health complications including asthma, chronic obstructive pulmonary disease (COPD), heart disease, stroke, and lung cancer. Studies on air pollution also link prolonged exposure to increased risks of diabetes, reduced lung function, and premature death.

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#13439098

13 Mar 2026

A dense layer of smog engulfs the Kathmandu Valley in Kathmandu, Nepal, on March 13, 2026. Air pollution intensifies across the bowl-shaped capital, with the Air Quality Index (AQI) fluctuating between 200 and 250, placing the city in the ''very unhealthy'' category and among the world's most polluted cities, according to data from the air quality monitoring platform IQAir's AirVisual. Measurements show fine particulate matter (PM2.5) at 129.9 micrograms per cubic meter--more than 25 times higher than the safe limit recommended by the World Health Organization--while PM10 levels reach 100.3 ug/m3. Nepal's national AQI scale classifies readings above 200 as very unhealthy and levels exceeding 300 as hazardous. The Ministry of Health and Population advises residents to take protective measures, noting that long-term exposure to polluted air can lead to serious health complications including asthma, chronic obstructive pulmonary disease (COPD), heart disease, stroke, and lung cancer. Studies on air pollution also link prolonged exposure to increased risks of diabetes, reduced lung function, and premature death.

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#13424374

9 Mar 2026

Pollution and steam rise from the stacks of the Miami Fort Power Station, which is situated along the Ohio River near Cincinnati, Ohio, on March 9, 2026.

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#13424375

9 Mar 2026

Pollution and steam rise from the stacks of the Miami Fort Power Station, which is situated along the Ohio River near Cincinnati, Ohio, on March 9, 2026.

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#13424376

9 Mar 2026

Pollution and steam rise from the stacks of the Miami Fort Power Station, which is situated along the Ohio River near Cincinnati, Ohio, on March 9, 2026.

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#13424377

9 Mar 2026

Pollution and steam rise from the stacks of the Miami Fort Power Station, which is situated along the Ohio River near Cincinnati, Ohio, on March 9, 2026.

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#13424378

9 Mar 2026

Pollution and steam rise from the stacks of the Miami Fort Power Station, which is situated along the Ohio River near Cincinnati, Ohio, on March 9, 2026.

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#13418602

8 Mar 2026

Pedestrians wearing face masks walk across a bridge amid polluted smog in a general view of Kathmandu, Nepal, on March 8, 2026. According to the air quality monitoring website IQAir (AirVisual), the bowl-shaped capital ranks first among the world's most polluted cities, with air quality reaching hazardous levels for residents.

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#13412484

7 Mar 2026

Pollution and steam rise from the stacks of the Miami Fort Power Station, which is situated along the Ohio River near Cincinnati, Ohio, on March 7, 2026.

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#13412485

7 Mar 2026

Pollution and steam rise from the stacks of the Miami Fort Power Station, which is situated along the Ohio River near Cincinnati, Ohio, on March 7, 2026.

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#13412486

7 Mar 2026

Pollution and steam rise from the stacks of the Miami Fort Power Station, which is situated along the Ohio River near Cincinnati, Ohio, on March 7, 2026.

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#13412487

7 Mar 2026

Pollution and steam rise from the stacks of the Miami Fort Power Station, which is situated along the Ohio River near Cincinnati, Ohio, on March 7, 2026.

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