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. 2021 Jul 13;31(5):797–803. doi: 10.1038/s41370-021-00366-w

Fig. 3. The relative percent change in the SARS-CoV-2 test positivity rate associated with an increase of 10 μg/m3 PM2.5 at lags 0–14 of single-day PM2.5 (left panel); lags 0, 3, 6, 9, and 12 of the three-day average PM2.5 (middle panel); and lags 0, 7, and 14 of the 7-day average PM2.5 (right panel).

Fig. 3

Error bars indicate 95% confidence intervals, which were not corrected for multiple testing.