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United States AQI: Maryland: Baltimore-Columbia-Towson: PM2.5 data was reported at 52.000 Index in 16 May 2025. This records an increase from the previous number of 50.000 Index for 15 May 2025. United States AQI: Maryland: Baltimore-Columbia-Towson: PM2.5 data is updated daily, averaging 39.000 Index from May 1999 (Median) to 16 May 2025, with 9257 observations. The data reached an all-time high of 200.000 Index in 08 Jun 2023 and a record low of 4.000 Index in 25 Sep 2023. United States AQI: Maryland: Baltimore-Columbia-Towson: PM2.5 data remains active status in CEIC and is reported by United States Environmental Protection Agency. The data is categorized under Global Database’s United States – Table US.ESG.E: Air Quality Index and Air Pollutants. [COVID-19-IMPACT]
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United States AQI: Maryland: Baltimore-Columbia-Towson data was reported at 52.000 Index in 16 May 2025. This records an increase from the previous number of 50.000 Index for 15 May 2025. United States AQI: Maryland: Baltimore-Columbia-Towson data is updated daily, averaging 46.000 Index from Jan 1980 (Median) to 16 May 2025, with 16569 observations. The data reached an all-time high of 205.000 Index in 29 Jun 2023 and a record low of 14.000 Index in 10 Jan 2024. United States AQI: Maryland: Baltimore-Columbia-Towson data remains active status in CEIC and is reported by United States Environmental Protection Agency. The data is categorized under Global Database’s United States – Table US.ESG.E: Air Quality Index and Air Pollutants. [COVID-19-IMPACT]
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United States AQI: Maryland: Baltimore-Columbia-Towson: PM10 data was reported at 7.000 Index in 30 Nov 2025. This records a decrease from the previous number of 10.000 Index for 29 Nov 2025. United States AQI: Maryland: Baltimore-Columbia-Towson: PM10 data is updated daily, averaging 11.000 Index from May 1984 (Median) to 30 Nov 2025, with 4853 observations. The data reached an all-time high of 74.000 Index in 29 Jun 2023 and a record low of 0.000 Index in 16 Sep 2015. United States AQI: Maryland: Baltimore-Columbia-Towson: PM10 data remains active status in CEIC and is reported by United States Environmental Protection Agency. The data is categorized under Global Database’s United States – Table US.ESG.E: Air Quality Index and Air Pollutants. [COVID-19-IMPACT]
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United States AQI: Maryland: Baltimore-Columbia-Towson: Ozone data was reported at 23.000 Index in 25 Nov 2025. This records a decrease from the previous number of 28.000 Index for 24 Nov 2025. United States AQI: Maryland: Baltimore-Columbia-Towson: Ozone data is updated daily, averaging 31.000 Index from Jan 1980 (Median) to 25 Nov 2025, with 16332 observations. The data reached an all-time high of 205.000 Index in 29 Jun 2023 and a record low of 2.000 Index in 25 Jan 2024. United States AQI: Maryland: Baltimore-Columbia-Towson: Ozone data remains active status in CEIC and is reported by United States Environmental Protection Agency. The data is categorized under Global Database’s United States – Table US.ESG.E: Air Quality Index and Air Pollutants. [COVID-19-IMPACT]
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TwitterAttribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
License information was derived automatically
United States AQI: Maryland: Baltimore-Columbia-Towson: PM2.5 data was reported at 52.000 Index in 16 May 2025. This records an increase from the previous number of 50.000 Index for 15 May 2025. United States AQI: Maryland: Baltimore-Columbia-Towson: PM2.5 data is updated daily, averaging 39.000 Index from May 1999 (Median) to 16 May 2025, with 9257 observations. The data reached an all-time high of 200.000 Index in 08 Jun 2023 and a record low of 4.000 Index in 25 Sep 2023. United States AQI: Maryland: Baltimore-Columbia-Towson: PM2.5 data remains active status in CEIC and is reported by United States Environmental Protection Agency. The data is categorized under Global Database’s United States – Table US.ESG.E: Air Quality Index and Air Pollutants. [COVID-19-IMPACT]