白沙瓦的空气质量

白沙瓦的空气质量指数(AQI)和PM2.5空气污染

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空气质量提供者和数据来源

数据来自

数据提供者

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U.S. Department of State的主页标志U.S. Department of State的主页标志AirNow的主页标志

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天气

白沙瓦现在的天气怎么样?

天气图标
天气中雨
温度73.4°C
湿度49%
风速和风向4.6 mp/h
气压1015 mb

实时AQI城市排名

实时巴基斯坦 热门城市排名

小提示图标
#city美国 AQI
1 Raiwind, 旁遮普

198

2 Bahawalpur, 旁遮普

170

3 拉合尔, 旁遮普

170

4 Faisalabad, 旁遮普

158

5 薩希瓦爾, 旁遮普

155

6 白沙瓦, Khyber Pakhtunkhwa

112

7 Muridke, 旁遮普

99

8 卡拉奇, 信德省

82

9 拉瓦尔品第, Punjab

76

10 伊斯兰堡, Islamabad

74

(当地时间)

查看世界AQI排名

实时白沙瓦 AQI排名

实时白沙瓦空气质量排名

小提示图标
#station美国 AQI
1 US Consulate in Peshawar

112

(当地时间)

查看世界AQI排名

美国 AQI

112

实时空气质量指数(AQI)
对敏感人群不健康

表示AQI等级的人脸

概览

白沙瓦现在的空气质量指数(AQI)是多少?

空气污染等级空气质量指数(AQI)主要污染物
对敏感人群不健康 112 美国 AQItrendPM2.5
污染物浓度
PM2.5
40 µg/m³trend

健康建议

白沙瓦空气污染,如何做好防护?

IQAir口罩图标 Sensitive groups should wear a mask outdoors
来一个高效又舒适的口罩
IQAir净化器图标 请开启空气净化器
想要一台空气净化器吗?
开窗图标请关窗以防止室外脏空气进入室内
骑车图标Everyone should reduce outdoor exercise

预报

白沙瓦空气质量指数(AQI)预报

污染等级天气温度风速和风向
星期五, 4月 9

中等 79 美国 AQI

表示AQI等级的人脸
星期六, 4月 10

对敏感人群不健康 103 美国 AQI

表示AQI等级的人脸
星期日, 4月 11

对敏感人群不健康 120 美国 AQI

表示AQI等级的人脸
星期一, 4月 12

对敏感人群不健康 110 美国 AQI

表示AQI等级的人脸
今天

对敏感人群不健康 102 美国 AQI

表示AQI等级的人脸
天气图标86°69.8°
风向12度流动

2.2 mp/h

星期三, 4月 14

中等 85 美国 AQI

表示AQI等级的人脸
天气图标82.4°68°
风向94度流动

2.2 mp/h

星期四, 4月 15

对敏感人群不健康 117 美国 AQI

表示AQI等级的人脸
天气图标82.4°69.8°
风向2度流动

0 mp/h

星期五, 4月 16

对敏感人群不健康 144 美国 AQI

表示AQI等级的人脸
天气图标71.6°66.2°
风向301度流动

2.2 mp/h

星期六, 4月 17

对敏感人群不健康 131 美国 AQI

表示AQI等级的人脸
天气图标75.2°62.6°
风向76度流动

4.5 mp/h

星期日, 4月 18

对敏感人群不健康 134 美国 AQI

表示AQI等级的人脸
天气图标82.4°64.4°
风向74度流动

2.2 mp/h

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历史

白沙瓦历史空气质量图表

如何更好地远离空气污染侵害?

减少您在白沙瓦 空气的污染暴露值

白沙瓦 空气质量分析和数据

Does Peshawar have a pollution problem?

Peshawar is a city located in Pakistan, being the 6th largest in the country as well as having a settlement history dating back to 539 BCE or earlier. It also borders on Afghanistan, another country that has issues with its air quality and pollution levels in a similar manner to that of Pakistan.

Regarding the air quality levels in more modern times, Peshawar was observed coming in with a PM2.5 reading of 63.9 μg/m³, putting it directly into the ‘unhealthy’ ratings bracket, a grouping that as the name suggests is detrimental to those who breathe air of this quality.

To be classified as unhealthy requires a PM2.5 reading of anywhere between 55.5 to 150.4 μg/m³, and with its reading of 63.9 μg/m³ Peshawar was also placed into 6th place out of all cities ranked in Pakistan in 2019, coming in just behind Muridke and Lahore. It also ranked in at 37th place out of all cities worldwide.

This is an indicator that whilst Peshawar does not have the same catastrophic pollution levels that other cities in Pakistan do (with Gujranwala and Faisalabad coming in with yearly averages of 105.3 μg/m³ and 104.6 μg/m³ respectively), it still has a pertinent pollution issue that would be of major importance to its citizens, particularly demographics that are the most at risk, such as young children, expectant mothers, the elderly as well as the sick or the immunocompromised.

When is Peshawar at its most polluted?

Observing the data taken over the course of 2019, the months that stood out with the highest readings of PM2.5 were present at the very end of the year, as well as seeing some elevated levels at the start of the year, although not as prominent as other cities in Pakistan, which often see their highest pollution numbers coming in at January (for example both Gujranwala and Lahore both saw their highest readings in January at 220.4 μg/m³ and 199.1 μg/m³ respectively.

PM2.5 refers to fine particulate matter that is 2.5 micrometers or less in diameter, making it approximately 3% the size of a human hair, and due to this size, of particular danger to respire, hence why it is used as a major component of calculating the overall levels of air quality.

Regarding its readings, as is common to Pakistan, the air quality started to decline in September, with August coming in at 41.4 μg/m³ and then jumping up fairly rapidly in September to 60.9 μg/m³, continuing upwards until December when its peak was reached at 113.5 μg/m³, making it the most polluted month of the year by far.

January also presented with some high readings, coming in at 81.2 μg/m³ before declining back down by nearly half to 44.3 μg/m³ in February. This is an indicator that inhabitants of Peshawar should take preventative measures towards the end of the year, with the wearing of particle filtering masks as well as avoiding outdoor activities during particularly bad spells of pollution being all the more important for those that wish to avoid the negative impacts that polluted air brings with it.

What is causing air pollution in Peshawar?

Peshawar sees numerous contributing sources of pollution, all of which can be compounded by factors such as geography and meteorological conditions, with the colder months of the year often having impacts on pollution levels due to the increased burning of materials for heat generation as well as the cold air trapping pollution within a city’s limits.

Main causes of air pollution in Peshawar would include emissions and fumes from vehicles, with numerous cars, motorbikes and rickshaws populating the roads, along with heavy duty vehicles such as trucks and lorries, many of which run on diesel fuels, or fuels of considerably lower quality than is seen on an international level, therefore putting out far more noxious chemicals.

Others include emissions from factories and other industrial sites, as well as from brick kilns, a pervasive problem the whole country sees, with unclean materials often used to fire these kilns, thus giving off large amounts of smoke and fine particulate matter. Other pertinent sources include the burning of crops, as well as other open burn sites focused on the disposal of garbage and other refuse. Poorly maintained roads and construction sites are also sources of large amounts of fine particulate matter. These would all be the compounding sources of pollution seen in Peshawar.

What are the main pollutants found in the air in Peshawar?

With sources of pollution such as vehicle and factory emissions being prominent contributors, the main types of pollutants arising from these would be ones such as nitrogen dioxide (NO2) and sulfur dioxide (SO2), both of which are emitted in high volume by cars, with nitrogen dioxide being the most present in the atmosphere in any area that sees a high volume of traffic, often correlating directly to the point that nitrogen dioxide levels can be used to calculate how much pollution is actually being caused by pollution alone.

Other pollutants that arise from the burning of unclean fuel sources such as those seen in factories would be black carbon and volatile organic compounds (VOC’s), some examples of which would be benzene, formaldehyde, methylene chloride, tetrachloroethylene and toluene. They are known as being volatile due to their property of becoming a gas at low temperatures, hence easier to respire and of greater threat to human health.

When materials such as wood or synthetic items such as plastic or rubber are burnt at these open burn sites or rubbish heaps, they can release chemical compounds such as dioxins, furans, polychlorinated biphenyls as well as dangerous metals such as lead, mercury and cadmium. Brick kilns will also release the aforementioned black carbon, along with carbon monoxide (CO) and oxides of nitrogen (NOx), which can lead to the formation of nitrogen dioxide as well as ozone (O3).

When is the air quality cleanest in Peshawar?

Once again looking at the data from 2019, the months that displayed the cleanest levels of pollution were in the earlier portion of the year, excluding January, which came in with a very high reading. After that the PM2.5 readings dropped considerably, with the cleanest reading of the year being taken in March, with a PM2.5 reading of 28.6 μg/m³, making it the only month of the year to fall into the ‘moderate’ pollution bracket and a time when the air would be of less danger to its inhabitants, although of note is that any reading over the World Health Organizations target goal of 10 μg/m³ or less may have detrimental effects on health.

白沙瓦空气质量数据来源

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