Infographic 4
Levels of SARS-CoV-2 virus in wastewater in Montréal

Infographic description

The title of the infographic is "Levels of SARS-CoV-2 virus in wastewater in Montréal"

This infographic is a line chart.

The Y axis represents the viral concentration of SARS-CoV-2 in copies per millilitre.

The Y axis starts at 0 and goes to 80.

The X axis represents the dates on which the samples were collected (sample date) in a year-month-day format (YYYY-MM-DD). The X axis starts on January 8, 2023, and ends on February 21, 2025.

The 2022/2023 influenza and cold season starts on November 1, 2022, and ends on April 30, 2023.

The 2023/2024 influenza and cold season starts on November 1, 2023, and ends on April 30, 2024.

The 2024/2025 influenza and cold season starts on November 1, 2024, and ends on April 30, 2025.

The average viral concentration of SARS-CoV-2 in Montréal is 13.59 copies per millilitre.

On January 11, 2023, there were 10.54 copies per millilitre of SARS-CoV-2.

On January 14, 2023, there were 61.63 copies per millilitre of SARS-CoV-2.

On January 21, 2023, there were 27.31 copies per millilitre of SARS-CoV-2.

On January 25, 2023, there were 21.40 copies per millilitre of SARS-CoV-2.

On January 28, 2023, there were 8.89 copies per millilitre of SARS-CoV-2.

On February 1, 2023, there were 11.78 copies per millilitre of SARS-CoV-2.

On February 4, 2023, there were 17.44 copies per millilitre of SARS-CoV-2.

On February 8, 2023, there were 23.17 copies per millilitre of SARS-CoV-2.

On February 11, 2023, there were 32.02 copies per millilitre of SARS-CoV-2.

On February 15, 2023, there were 27.70 copies per millilitre of SARS-CoV-2.

On February 18, 2023, there were 22.43 copies per millilitre of SARS-CoV-2.

On February 22, 2023, there were 23.68 copies per millilitre of SARS-CoV-2.

On February 25, 2023, there were 19.37 copies per millilitre of SARS-CoV-2.

On March 1, 2023, there were 17.06 copies per millilitre of SARS-CoV-2.

On March 4, 2023, there were 22.03 copies per millilitre of SARS-CoV-2.

On March 8, 2023, there were 27.10 copies per millilitre of SARS-CoV-2.

On March 11, 2023, there were 22.49 copies per millilitre of SARS-CoV-2.

On March 15, 2023, there were 15.54 copies per millilitre of SARS-CoV-2.

On March 18, 2023, there were 13.40 copies per millilitre of SARS-CoV-2.

On March 22, 2023, there were 10.83 copies per millilitre of SARS-CoV-2.

On March 25, 2023, there were 7.17 copies per millilitre of SARS-CoV-2.

On March 29, 2023, there were 10.53 copies per millilitre of SARS-CoV-2.

On April 1, 2023, there were 8.66 copies per millilitre of SARS-CoV-2.

On April 5, 2023, there were 6.85 copies per millilitre of SARS-CoV-2.

On April 8, 2023, there were 10.06 copies per millilitre of SARS-CoV-2.

On April 12, 2023, there were 8.37 copies per millilitre of SARS-CoV-2.

On April 15, 2023, there were 3.98 copies per millilitre of SARS-CoV-2.

On April 19, 2023, there were 7.46 copies per millilitre of SARS-CoV-2.

On April 22, 2023, there were 16.24 copies per millilitre of SARS-CoV-2.

On April 26, 2023, there were 17.20 copies per millilitre of SARS-CoV-2.

On April 29, 2023, there were 15.40 copies per millilitre of SARS-CoV-2.

On May 3, 2023, there were 25.02 copies per millilitre of SARS-CoV-2.

On May 6, 2023, there were 20.26 copies per millilitre of SARS-CoV-2.

On May 10, 2023, there were 8.50 copies per millilitre of SARS-CoV-2.

On May 13, 2023, there were 8.65 copies per millilitre of SARS-CoV-2.

On May 17, 2023, there were 7.99 copies per millilitre of SARS-CoV-2.

On May 20, 2023, there were 8.69 copies per millilitre of SARS-CoV-2.

On May 24, 2023, there were 7.64 copies per millilitre of SARS-CoV-2.

On May 27, 2023, there were 5.82 copies per millilitre of SARS-CoV-2.

On May 31, 2023, there were 4.04 copies per millilitre of SARS-CoV-2.

On June 3, 2023, there were 5.63 copies per millilitre of SARS-CoV-2.

On June 7, 2023, there were 11.28 copies per millilitre of SARS-CoV-2.

On June 10, 2023, there were 10.87 copies per millilitre of SARS-CoV-2.

On June 14, 2023, there were 8.58 copies per millilitre of SARS-CoV-2.

On June 17, 2023, there were 6.73 copies per millilitre of SARS-CoV-2.

On June 21, 2023, there were 4.02 copies per millilitre of SARS-CoV-2.

On June 24, 2023, there were 6.15 copies per millilitre of SARS-CoV-2.

On June 28, 2023, there were 5.91 copies per millilitre of SARS-CoV-2.

On July 1, 2023, there were 4.63 copies per millilitre of SARS-CoV-2.

On July 5, 2023, there were 3.33 copies per millilitre of SARS-CoV-2.

On July 8, 2023, there were 1.80 copies per millilitre of SARS-CoV-2.

On July 12, 2023, there were 1.51 copies per millilitre of SARS-CoV-2.

On July 15, 2023, there were 0.97 copies per millilitre of SARS-CoV-2.

On July 19, 2023, there were 0.62 copies per millilitre of SARS-CoV-2.

On July 22, 2023, there were 0.98 copies per millilitre of SARS-CoV-2.

On July 26, 2023, there were 1.59 copies per millilitre of SARS-CoV-2.

On July 29, 2023, there were 2.88 copies per millilitre of SARS-CoV-2.

On August 2, 2023, there were 2.71 copies per millilitre of SARS-CoV-2.

On August 5, 2023, there were 2.35 copies per millilitre of SARS-CoV-2.

On August 9, 2023, there were 3.02 copies per millilitre of SARS-CoV-2.

On August 12, 2023, there were 2.28 copies per millilitre of SARS-CoV-2.

On August 16, 2023, there were 2.18 copies per millilitre of SARS-CoV-2.

On August 19, 2023, there were 5.85 copies per millilitre of SARS-CoV-2.

On August 23, 2023, there were 7.32 copies per millilitre of SARS-CoV-2.

On August 26, 2023, there were 5.08 copies per millilitre of SARS-CoV-2.

On August 30, 2023, there were 4.59 copies per millilitre of SARS-CoV-2.

On September 2, 2023, there were 5.08 copies per millilitre of SARS-CoV-2.

On September 6, 2023, there were 5.63 copies per millilitre of SARS-CoV-2.

On September 9, 2023, there were 4.97 copies per millilitre of SARS-CoV-2.

On September 13, 2023, there were 8.28 copies per millilitre of SARS-CoV-2.

On September 16, 2023, there were 9.97 copies per millilitre of SARS-CoV-2.

On September 20, 2023, there were 6.73 copies per millilitre of SARS-CoV-2.

On September 23, 2023, there were 6.03 copies per millilitre of SARS-CoV-2.

On September 27, 2023, there were 12.24 copies per millilitre of SARS-CoV-2.

On September 29, 2023, there were 11.88 copies per millilitre of SARS-CoV-2.

On October 4, 2023, there were 5.36 copies per millilitre of SARS-CoV-2.

On October 7, 2023, there were 30.21 copies per millilitre of SARS-CoV-2.

On October 11, 2023, there were 17.68 copies per millilitre of SARS-CoV-2.

On October 14, 2023, there were 10.91 copies per millilitre of SARS-CoV-2.

On October 18, 2023, there were 14.52 copies per millilitre of SARS-CoV-2.

On October 23, 2023, there were 17.56 copies per millilitre of SARS-CoV-2.

On October 25, 2023, there were 14.44 copies per millilitre of SARS-CoV-2.

On October 28, 2023, there were 15.11 copies per millilitre of SARS-CoV-2.

On November 1, 2023, there were 12.35 copies per millilitre of SARS-CoV-2.

On November 4, 2023, there were 9.34 copies per millilitre of SARS-CoV-2.

On November 8, 2023, there were 11.48 copies per millilitre of SARS-CoV-2.

On November 11, 2023, there were 18.70 copies per millilitre of SARS-CoV-2.

On November 15, 2023, there were 56.90 copies per millilitre of SARS-CoV-2.

On November 18, 2023, there were 58.89 copies per millilitre of SARS-CoV-2.

On November 22, 2023, there were 22.12 copies per millilitre of SARS-CoV-2.

On November 25, 2023, there were 17.57 copies per millilitre of SARS-CoV-2.

On November 29, 2023, there were 31.32 copies per millilitre of SARS-CoV-2.

On December 2, 2023, there were 38.44 copies per millilitre of SARS-CoV-2.

On December 13, 2023 there were no data.

On December 16, 2023, there were 44.64 copies per millilitre of SARS-CoV-2.

On December 27, 2023 there were no data.

On December 30, 2023, there were 37.35 copies per millilitre of SARS-CoV-2.

On January 3, 2024, there were 29.13 copies per millilitre of SARS-CoV-2.

On January 6, 2024, there were 38.04 copies per millilitre of SARS-CoV-2.

On January 10, 2024, there were 62.25 copies per millilitre of SARS-CoV-2.

On January 13, 2024, there were 60.70 copies per millilitre of SARS-CoV-2.

On January 17, 2024, there were 34.50 copies per millilitre of SARS-CoV-2.

On January 20, 2024, there were 46.48 copies per millilitre of SARS-CoV-2.

On January 24, 2024, there were 44.10 copies per millilitre of SARS-CoV-2.

On January 27, 2024, there were 25.55 copies per millilitre of SARS-CoV-2.

On January 31, 2024, there were 23.54 copies per millilitre of SARS-CoV-2.

On February 3, 2024, there were 9.28 copies per millilitre of SARS-CoV-2.

On February 7, 2024, there were 9.30 copies per millilitre of SARS-CoV-2.

On February 10, 2024, there were 8.72 copies per millilitre of SARS-CoV-2.

On February 14, 2024, there were 12.95 copies per millilitre of SARS-CoV-2.

On February 17, 2024, there were 15.57 copies per millilitre of SARS-CoV-2.

On February 21, 2024, there were 26.70 copies per millilitre of SARS-CoV-2.

On February 24, 2024, there were 58.43 copies per millilitre of SARS-CoV-2.

On February 28, 2024, there were 41.40 copies per millilitre of SARS-CoV-2.

On March 2, 2024, there were 5.62 copies per millilitre of SARS-CoV-2.

On March 6, 2024, there were 4.44 copies per millilitre of SARS-CoV-2.

On March 9, 2024, there were 2.92 copies per millilitre of SARS-CoV-2.

On March 13, 2024, there were 3.99 copies per millilitre of SARS-CoV-2.

On March 16, 2024, there were 3.54 copies per millilitre of SARS-CoV-2.

On March 20, 2024, there were 2.02 copies per millilitre of SARS-CoV-2.

On March 23, 2024, there were 1.50 copies per millilitre of SARS-CoV-2.

On March 27, 2024, there were 1.35 copies per millilitre of SARS-CoV-2.

On March 30, 2024, there were 2.26 copies per millilitre of SARS-CoV-2.

On April 3, 2024, there were 2.35 copies per millilitre of SARS-CoV-2.

On April 6, 2024, there were 1.96 copies per millilitre of SARS-CoV-2.

On April 10, 2024, there were 2.39 copies per millilitre of SARS-CoV-2.

On April 17, 2024, there were 1.60 copies per millilitre of SARS-CoV-2.

On April 20, 2024, there were 2.47 copies per millilitre of SARS-CoV-2.

On April 24, 2024, there were 2.67 copies per millilitre of SARS-CoV-2.

On April 27, 2024, there were 3.05 copies per millilitre of SARS-CoV-2.

On May 1, 2024, there were 3.10 copies per millilitre of SARS-CoV-2.

On May 4, 2024, there were 3.15 copies per millilitre of SARS-CoV-2.

On May 8, 2024, there were 2.92 copies per millilitre of SARS-CoV-2.

On May 11, 2024, there were 3.37 copies per millilitre of SARS-CoV-2.

On May 15, 2024, there were 2.95 copies per millilitre of SARS-CoV-2.

On May 18, 2024, there were 2.85 copies per millilitre of SARS-CoV-2.

On May 22, 2024, there were 4.01 copies per millilitre of SARS-CoV-2.

On May 25, 2024, there were 2.95 copies per millilitre of SARS-CoV-2.

On May 29, 2024, there were 2.16 copies per millilitre of SARS-CoV-2.

On June 1, 2024, there were 2.33 copies per millilitre of SARS-CoV-2.

On June 5, 2024, there were 2.54 copies per millilitre of SARS-CoV-2.

On June 8, 2024, there were 4.01 copies per millilitre of SARS-CoV-2.

On June 12, 2024, there were 3.90 copies per millilitre of SARS-CoV-2.

On June 15, 2024, there were 3.84 copies per millilitre of SARS-CoV-2.

On June 19, 2024, there were 4.60 copies per millilitre of SARS-CoV-2.

On June 22, 2024, there were 5.11 copies per millilitre of SARS-CoV-2.

On June 26, 2024, there were 5.62 copies per millilitre of SARS-CoV-2.

On June 29, 2024, there were 6.43 copies per millilitre of SARS-CoV-2.

On July 3, 2024, there were 6.69 copies per millilitre of SARS-CoV-2.

On July 6, 2024, there were 10.26 copies per millilitre of SARS-CoV-2.

On July 10, 2024, there were 14.90 copies per millilitre of SARS-CoV-2.

On July 13, 2024, there were 11.58 copies per millilitre of SARS-CoV-2.

On July 17, 2024, there were 10.99 copies per millilitre of SARS-CoV-2.

On July 20, 2024, there were 12.22 copies per millilitre of SARS-CoV-2.

On July 24, 2024, there were 9.65 copies per millilitre of SARS-CoV-2.

On July 27, 2024, there were 11.96 copies per millilitre of SARS-CoV-2.

On August 3, 2024, there were 11.19 copies per millilitre of SARS-CoV-2.

On August 7, 2024, there were 11.03 copies per millilitre of SARS-CoV-2.

On August 10, 2024, there were 12.40 copies per millilitre of SARS-CoV-2.

On August 14, 2024, there were 7.99 copies per millilitre of SARS-CoV-2.

On August 17, 2024, there were 5.89 copies per millilitre of SARS-CoV-2.

On August 21, 2024, there were 7.91 copies per millilitre of SARS-CoV-2.

On August 24, 2024, there were 8.96 copies per millilitre of SARS-CoV-2.

On August 28, 2024, there were 11.76 copies per millilitre of SARS-CoV-2.

On August 31, 2024, there were 8.90 copies per millilitre of SARS-CoV-2.

On September 4, 2024, there were 11.88 copies per millilitre of SARS-CoV-2.

On September 7, 2024, there were 17.67 copies per millilitre of SARS-CoV-2.

On September 11, 2024, there were 18.18 copies per millilitre of SARS-CoV-2.

On September 14, 2024, there were 18.55 copies per millilitre of SARS-CoV-2.

On September 18, 2024, there were 12.70 copies per millilitre of SARS-CoV-2.

On September 21, 2024, there were 14.40 copies per millilitre of SARS-CoV-2.

On September 25, 2024, there were 13.38 copies per millilitre of SARS-CoV-2.

On September 28, 2024, there were 5.64 copies per millilitre of SARS-CoV-2.

On September 30, 2024, there were 7.84 copies per millilitre of SARS-CoV-2.

On October 5, 2024, there were 14.07 copies per millilitre of SARS-CoV-2.

On October 9, 2024, there were 6.36 copies per millilitre of SARS-CoV-2.

On October 12, 2024, there were 11.28 copies per millilitre of SARS-CoV-2.

On October 16, 2024, there were 11.63 copies per millilitre of SARS-CoV-2.

On October 19, 2024, there were 6.27 copies per millilitre of SARS-CoV-2.

On October 23, 2024, there were 5.89 copies per millilitre of SARS-CoV-2.

On October 26, 2024, there were 8.23 copies per millilitre of SARS-CoV-2.

On October 30, 2024, there were 23.18 copies per millilitre of SARS-CoV-2.

On November 1, 2024, there were 20.97 copies per millilitre of SARS-CoV-2.

On November 6, 2024, there were 6.22 copies per millilitre of SARS-CoV-2.

On November 9, 2024, there were 11.07 copies per millilitre of SARS-CoV-2.

On November 13, 2024, there were 10.55 copies per millilitre of SARS-CoV-2.

On November 16, 2024, there were 17.13 copies per millilitre of SARS-CoV-2.

On November 20, 2024, there were 16.83 copies per millilitre of SARS-CoV-2.

On November 23, 2024, there were 12.18 copies per millilitre of SARS-CoV-2.

On November 27, 2024, there were 12.82 copies per millilitre of SARS-CoV-2.

On November 30, 2024, there were 8.32 copies per millilitre of SARS-CoV-2.

On December 4, 2024, there were 5.74 copies per millilitre of SARS-CoV-2.

On December 7, 2024, there were 7.42 copies per millilitre of SARS-CoV-2.

On December 11, 2024, there were 14.42 copies per millilitre of SARS-CoV-2.

On December 14, 2024, there were 16.14 copies per millilitre of SARS-CoV-2.

On December 18, 2024, there were 21.04 copies per millilitre of SARS-CoV-2.

On December 21, 2024, there were 18.60 copies per millilitre of SARS-CoV-2.

On December 25, 2024, there were 11.82 copies per millilitre of SARS-CoV-2.

On December 28, 2024, there were 15.15 copies per millilitre of SARS-CoV-2.

On January 1, 2025, there were 15.95 copies per millilitre of SARS-CoV-2.

On January 4, 2025, there were 17.73 copies per millilitre of SARS-CoV-2.

On January 8, 2025, there were 20.05 copies per millilitre of SARS-CoV-2.

On January 11, 2025, there were 16.30 copies per millilitre of SARS-CoV-2.

On January 15, 2025, there were 11.05 copies per millilitre of SARS-CoV-2.

On January 18, 2025, there were 18.97 copies per millilitre of SARS-CoV-2.

On January 22, 2025, there were 27.29 copies per millilitre of SARS-CoV-2.

On January 25, 2025, there were 29.32 copies per millilitre of SARS-CoV-2.

On January 29, 2025, there were 42.87 copies per millilitre of SARS-CoV-2.

On February 2, 2025, there were 37.24 copies per millilitre of SARS-CoV-2.

Note(s): Virus concentration values represent a seven-day rolling mean.

Source(s): Canadian Wastewater Survey (5280).