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. 2018 Dec 14;18(12):4434.
doi: 10.3390/s18124434.

@choo: Tracking Pollen and Hayfever in the UK Using Social Media

Sophie Cowie  1 , Rudy Arthur  2 , Hywel T P Williams  3   4
Affiliations

@choo: Tracking Pollen and Hayfever in the UK Using Social Media

Sophie Cowie et al. Sensors (Basel). .

Abstract

Allergic rhinitis (hayfever) affects a large proportion of the population in the United Kingdom. Although relatively easily treated with medication, symptoms nonetheless have a substantial adverse effect on wellbeing during the summer pollen season. Provision of accurate pollen forecasts can help sufferers to manage their condition and minimise adverse effects. Current pollen forecasts in the UK are based on a sparse network of pollen monitoring stations. Here, we explore the use of "social sensing" (analysis of unsolicited social media content) as an alternative source of pollen and hayfever observations. We use data from the Twitter platform to generate a dynamic spatial map of pollen levels based on user reports of hayfever symptoms. We show that social sensing alone creates a spatiotemporal pollen measurement with remarkable similarity to measurements taken from the established physical pollen monitoring network. This demonstrates that social sensing of pollen can be accurate, relative to current methods, and suggests a variety of future applications of this method to help hayfever sufferers manage their condition.

Keywords: crowdsourcing; hayfever; pollen; social media; social sensing.

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Conflict of interest statement

The authors declare no conflict of interest. The funding sponsors had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, and in the decision to publish the results.

Figures

Figure 1
Figure 1
Time-series of total UK daily pollen counts (y-axis), grouped by vegetation type. Plot shows: tree pollen (blue), weed pollen (orange), grass pollen (green).
Figure 2
Figure 2
Time-series of various data sources for monitoring pollen and hayfever, aggregated weekly and normalised by their maximum value over the time period. Plot shows: Normalised Twitter activity (t, blue), Google Trends web search activity (g, orange), Met Office web traffic (mw, green), counts for all pollen (mo, solid red) and grass pollen (mo, dashed red). Correlations, r, are given for each data source pair; pollen count correlations are for all pollen, with correlations for grass pollen only given in brackets.
Figure 3
Figure 3
Pollen monitoring station locations (red dots), with green circles indicating the 50 km radius around each station.
See this image and copyright information in PMC

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