Evidence map›Paper›PMID 36279451›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2022

US Embassy air-quality tweets led to global health benefits.

Akshaya Jha, Andrea La Nauze

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

11 citing papers in PubMed.

  1. Article
  2. Article
  3. The Essential Role of Air Quality Monitoring at U.S. Embassies and Consulates.American journal of respiratory and critical care medicine · 2025
    Article
  4. Article
  5. Review
  6. Air quality indicators: when data disappear.Bulletin of the World Health Organization · 2025
    Article
  7. Persistent inequalities in global air quality monitoring should not delay pollution mitigation.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  8. Identifying air quality monitoring deserts in the United States.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  9. Article
  10. US Embassy air-quality tweets led to global health benefits.Proceedings of the National Academy of Sciences of the United States of America · 2022
    Article
  11. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

Akshaya JhaHeinz College of Information Systems and Public Policy, Carnegie Mellon University, Pittsburgh, PA 15232.ORCID 0000-0001-6393-5397
Andrea La NauzeSchool of Economics, The University of Queensland, St. Lucia, QLD 4072, Australia.ORCID 0000-0002-1666-8617

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The World Health Organization estimates that over 90% of the world's population is exposed to hazardous levels of local air pollution. Air pollution is markedly worse in low- and middle-income countries, yet air-quality monitoring is typically sparse. In 2008, the US Embassy in Beijing began tweeting hourly air-quality information from a newly installed pollution monitor, dramatically improving the information on air quality available to Beijing residents. Since then, the United States has installed over 50 monitors around the world, tweeting real-time reports on air quality in those locations. Using spatially granular measurements of local air pollution from satellite data that span the globe, we employ variation in whether and when US embassies installed monitors to evaluate the impact of air-quality information on pollution. We estimate that embassy monitors led to reductions in fine particulate concentration levels in host countries of 2 to 4 µg/m

Indexed as

Air PollutionParticulate MatterGlobal HealthIncomeMortality, PrematureUnited StatesParticulate Matterair-quality monitoringdeveloping countriesfine particulatesinformation interventionslocal air pollution

Identifiers

PMID36279451
PMCPMC9636956

What OpenQuestion holds

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LicenceCC BY-NC-ND
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.