Luftföroreningsstatistik för Peking

Checkboxes:

Select all

Checkbox defaults

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:

AQI only

(default)

PM2.5 only

(default)

AQI and PM2.5

(default)

Type of statistic:

Toplists of events and values only

(default)

Averages (arithmetic means) only

(default)

Medians only

Standard deviations only

Data distributions only

(default)

Years:

2013-2015 only

2016-2018 only

Combination or other (2019-2021, 2013-2021)

(default)

Months:

Data split over months

(default)

Months not involved

(default)

Days of the week:

Data split over days of the week

(default)

Specific to a particular day of the week

Days of the week not involved

(default)

Time:

Data split over hours of the day

(default)

Hours of the day not involved (but number of hours may be involved)

(default)

There are now

charts available for viewing.

To make charts available, please check-mark (tick) at least one checkbox in each category above. Select one or more charts by clicking on their descriptions in the list below.(A proper description is displayed when placing the cursor over an item in the list.)

To select more than one chart, keep the "Ctrl" key pressed down while clicking.

Each selection must be clicked on. (No selections are made by merely marking the chart descriptions in the list.)

On a mobile phone, you have to click on the rectangle below to see the available choices, and then repeat the same procedure.

You cannot select more than 12 items at a time and have them display among the thumbnails. If you select more items, then only the 12 appearing highest in the selection list will appear among the thumbnails. You can deselect one or more selections, and select others.