Cities with Greatest Rise in Barometric Pressure


The following list ranks the biggest increases in barometric pressure today observed amongst our tracked cities. This is determined by finding the widest range between the highest and lowest pressures during the 24-hour period starting and ending at midnight, UTC−08:00 (Pacific Standard Time) in each city and choosing the cities where the time of the lowest pressure occurs before the time of the highest pressure.

Because each reading represents a 24-hour window of an hourly weather forecast, from 8 am yesterday through 8 am today (local time), it is possible that the entirety of the pressure range is not captured in the data. In this case, the green inverted triangle () indicates that the lowest pressure observed during this period was at the start, meaning that the pressure had likely risen from a lower low. Conversely, the red triangle () indicates that the highest pressure observed during this period is at the end, meaning that the pressure will likely rise beyond the upper end of the range observed. Therefore, green and/or red triangles indicate that the total rise is likely to be greater than the amount displayed.


#CityIncreaseLow TimeHigh TimeRate
1Addis Ababa, Ethiopia0.45 inHg1 pm yesterday6 am0.026 inHg/hr
2Sydney, Australia0.44 inHg5 pm yesterday7 am0.031 inHg/hr
3Mexico City, Mexico0.37 inHg10 pm yesterday6 am0.046 inHg/hr
4Djalo, Democratic Republic of the Congo0.36 inHg3 pm yesterday7 am0.022 inHg/hr
5Guadalajara, Mexico0.32 inHg10 pm yesterday6 am0.040 inHg/hr
6Bogota, Colombia0.32 inHg8 pm yesterday4 am0.040 inHg/hr
7Caracas, Venezuela0.32 inHg9 pm yesterday3 am0.053 inHg/hr
8Tehran, Iran0.31 inHg2 pm yesterday4 am0.022 inHg/hr
9Ho Chi Minh City, Vietnam0.3 inHg8 am yesterday2 am0.017 inHg/hr
10Dar es Salaam, Tanzania0.3 inHg1 pm yesterday6 am0.018 inHg/hr
11Dhaka, Bangladesh0.3 inHg11 am yesterday3 am0.019 inHg/hr
12Singapore, Singapore0.29 inHg9 am yesterday2 am0.017 inHg/hr
13Bangkok, Thailand0.29 inHg9 am yesterday3 am0.016 inHg/hr
14Kolkata, India0.28 inHg11 am yesterday4 am0.016 inHg/hr
15Chongqing, China0.27 inHg10 am yesterday2 am0.017 inHg/hr
16Hanoi, Vietnam0.27 inHg10 am yesterday3 am0.016 inHg/hr
17Jakarta, Indonesia0.27 inHg8 am yesterday4 pm yesterday0.034 inHg/hr
18Manila, Philippines0.26 inHg8 am yesterday2 pm yesterday0.043 inHg/hr
19New Delhi, India0.26 inHg12 pm yesterday4 am0.016 inHg/hr
20Moscow, Russia0.25 inHg8 am yesterday7 am0.011 inHg/hr
Legend:
= rise began before recorded 24-hour period (8 am yesterday)
= rise continues beyond recorded 24-hour period (8 am today)




The change and rate of change of barometric pressure is perhaps more important than the actual numerical value of pressure. This is why many digital barometric pressure displays show a numerical pressure reading accompanied by an indication of whether the pressure has been “rising” or “falling”. To weather forecasters, increasing barometric pressure is a signal of the arrival of a high-pressure system, which is generally associated with clear skies, calm winds, and lower humidity levels.

To folks who experience arthritis, migraines, or other physical conditions that are sensitive to pressure changes, rising pressure typically feels better than falling pressure, though changes in pressure affect people differently, and stable pressure is generally preferred to larger or more rapid changes in pressure.