Air quality reference
Laramie, WY
Laramie, WY has a published AQI value of 13, categorized as Good, for 2026-04-30T00:00:00+00:00. The defining parameter is PM2.5, based on 1 monitoring sites. AQI is a communication index rather than a direct pollutant concentration, and values from different dates, averaging periods or providers should not be treated as interchangeable. This profile provides measurement context and same-category links but does not provide individualized medical advice.
Key facts
- Location
- Laramie, WY
- Air quality index
- 13
- Category
- Good
- Defining parameter
- PM2.5
- Sites reporting
- 1
- Measured at
- 2026-04-30T00:00:00+00:00
- Measurement context
- Daily AQI summary from U.S. EPA AirData; values are not direct pollutant concentrations
Historical air-quality context
Published EPA annual CBSA indicators
Annual AQI summaries are shown independently from pollutant concentrations. Current-year values are provisional because reporting is incomplete and can be revised.
Annual indicator
Days with published AQI
115.00 days2026
EPA annual CBSA summary field: Days with AQI. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | days | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 115.00 days | provisional-current-year | — |
| 2025 | 365.00 days | — | — |
| 2024 | 366.00 days | — | — |
| 2023 | 365.00 days | — | — |
| 2022 | 365.00 days | — | — |
| 2021 | 365.00 days | — | — |
| 2020 | 366.00 days | — | — |
| 2019 | 365.00 days | — | — |
| 2018 | 365.00 days | — | — |
| 2017 | 365.00 days | — | — |
| 2016 | 366.00 days | — | — |
| 2015 | 365.00 days | — | — |
| 2014 | 365.00 days | — | — |
| 2013 | 364.00 days | — | — |
| 2012 | 365.00 days | — | — |
| 2011 | 365.00 days | — | — |
| 2010 | 365.00 days | — | — |
| 2009 | 365.00 days | — | — |
| 2008 | 366.00 days | — | — |
| 2007 | 357.00 days | — | — |
| 2006 | 358.00 days | — | — |
| 2005 | 359.00 days | — | — |
| 2004 | 356.00 days | — | — |
| 2003 | 360.00 days | — | — |
| 2002 | 361.00 days | — | — |
| 2001 | 365.00 days | — | — |
| 2000 | 357.00 days | — | — |
| 1999 | 355.00 days | — | — |
| 1998 | 360.00 days | — | — |
| 1997 | 356.00 days | — | — |
| 1996 | 361.00 days | — | — |
| 1995 | 358.00 days | — | — |
| 1994 | 359.00 days | — | — |
| 1993 | 361.00 days | — | — |
| 1992 | 348.00 days | — | — |
| 1991 | 321.00 days | — | — |
| 1990 | 354.00 days | — | — |
| 1989 | 47.00 days | — | — |
| 1987 | 27.00 days | — | — |
| 1986 | 45.00 days | — | — |
| 1985 | 35.00 days | — | — |
Annual indicator
Good AQI days
74.00 days2026
EPA annual CBSA summary field: Good Days. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | days | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 74.00 days | provisional-current-year | — |
| 2025 | 203.00 days | — | — |
| 2024 | 190.00 days | — | — |
| 2023 | 212.00 days | — | — |
| 2022 | 225.00 days | — | — |
| 2021 | 193.00 days | — | — |
| 2020 | 251.00 days | — | — |
| 2019 | 245.00 days | — | — |
| 2018 | 218.00 days | — | — |
| 2017 | 219.00 days | — | — |
| 2016 | 263.00 days | — | — |
| 2015 | 277.00 days | — | — |
| 2014 | 280.00 days | — | — |
| 2013 | 235.00 days | — | — |
| 2012 | 176.00 days | — | — |
| 2011 | 230.00 days | — | — |
| 2010 | 225.00 days | — | — |
| 2009 | 264.00 days | — | — |
| 2008 | 190.00 days | — | — |
| 2007 | 214.00 days | — | — |
| 2006 | 220.00 days | — | — |
| 2005 | 268.00 days | — | — |
| 2004 | 208.00 days | — | — |
| 2003 | 155.00 days | — | — |
| 2002 | 187.00 days | — | — |
| 2001 | 189.00 days | — | — |
| 2000 | 185.00 days | — | — |
| 1999 | 196.00 days | — | — |
| 1998 | 209.00 days | — | — |
| 1997 | 223.00 days | — | — |
| 1996 | 206.00 days | — | — |
| 1995 | 249.00 days | — | — |
| 1994 | 173.00 days | — | — |
| 1993 | 266.00 days | — | — |
| 1992 | 263.00 days | — | — |
| 1991 | 226.00 days | — | — |
| 1990 | 268.00 days | — | — |
| 1989 | 45.00 days | — | — |
| 1987 | 24.00 days | — | — |
| 1986 | 40.00 days | — | — |
| 1985 | 32.00 days | — | — |
Annual indicator
Hazardous AQI days
1.00 days2026
EPA annual CBSA summary field: Hazardous Days. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | days | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 1.00 days | provisional-current-year | — |
| 2025 | 0.00 days | — | — |
| 2024 | 0.00 days | — | — |
| 2023 | 0.00 days | — | — |
| 2022 | 0.00 days | — | — |
| 2021 | 1.00 days | — | — |
| 2020 | 0.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 0.00 days | — | — |
| 2017 | 0.00 days | — | — |
| 2016 | 0.00 days | — | — |
| 2015 | 0.00 days | — | — |
| 2014 | 0.00 days | — | — |
| 2013 | 0.00 days | — | — |
| 2012 | 0.00 days | — | — |
| 2011 | 0.00 days | — | — |
| 2010 | 0.00 days | — | — |
| 2009 | 0.00 days | — | — |
| 2008 | 0.00 days | — | — |
| 2007 | 0.00 days | — | — |
| 2006 | 0.00 days | — | — |
| 2005 | 0.00 days | — | — |
| 2004 | 0.00 days | — | — |
| 2003 | 0.00 days | — | — |
| 2002 | 0.00 days | — | — |
| 2001 | 0.00 days | — | — |
| 2000 | 0.00 days | — | — |
| 1999 | 0.00 days | — | — |
| 1998 | 0.00 days | — | — |
| 1997 | 0.00 days | — | — |
| 1996 | 0.00 days | — | — |
| 1995 | 0.00 days | — | — |
| 1994 | 0.00 days | — | — |
| 1993 | 0.00 days | — | — |
| 1992 | 0.00 days | — | — |
| 1991 | 0.00 days | — | — |
| 1990 | 0.00 days | — | — |
| 1989 | 0.00 days | — | — |
| 1987 | 0.00 days | — | — |
| 1986 | 0.00 days | — | — |
| 1985 | 0.00 days | — | — |
Annual indicator
Maximum daily AQI
729.00 AQI index2026
EPA annual CBSA summary field: Max AQI. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | AQI index | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 729.00 AQI index | provisional-current-year | — |
| 2025 | 172.00 AQI index | — | — |
| 2024 | 187.00 AQI index | — | — |
| 2023 | 132.00 AQI index | — | — |
| 2022 | 159.00 AQI index | — | — |
| 2021 | 312.00 AQI index | — | — |
| 2020 | 187.00 AQI index | — | — |
| 2019 | 90.00 AQI index | — | — |
| 2018 | 115.00 AQI index | — | — |
| 2017 | 154.00 AQI index | — | — |
| 2016 | 97.00 AQI index | — | — |
| 2015 | 93.00 AQI index | — | — |
| 2014 | 93.00 AQI index | — | — |
| 2013 | 122.00 AQI index | — | — |
| 2012 | 125.00 AQI index | — | — |
| 2011 | 108.00 AQI index | — | — |
| 2010 | 116.00 AQI index | — | — |
| 2009 | 152.00 AQI index | — | — |
| 2008 | 129.00 AQI index | — | — |
| 2007 | 190.00 AQI index | — | — |
| 2006 | 108.00 AQI index | — | — |
| 2005 | 100.00 AQI index | — | — |
| 2004 | 122.00 AQI index | — | — |
| 2003 | 166.00 AQI index | — | — |
| 2002 | 140.00 AQI index | — | — |
| 2001 | 112.00 AQI index | — | — |
| 2000 | 172.00 AQI index | — | — |
| 1999 | 150.00 AQI index | — | — |
| 1998 | 122.00 AQI index | — | — |
| 1997 | 140.00 AQI index | — | — |
| 1996 | 115.00 AQI index | — | — |
| 1995 | 93.00 AQI index | — | — |
| 1994 | 136.00 AQI index | — | — |
| 1993 | 93.00 AQI index | — | — |
| 1992 | 105.00 AQI index | — | — |
| 1991 | 105.00 AQI index | — | — |
| 1990 | 100.00 AQI index | — | — |
| 1989 | 70.00 AQI index | — | — |
| 1987 | 59.00 AQI index | — | — |
| 1986 | 58.00 AQI index | — | — |
| 1985 | 71.00 AQI index | — | — |
Annual indicator
Median daily AQI
46.00 AQI index2026
EPA annual CBSA summary field: Median AQI. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | AQI index | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 46.00 AQI index | provisional-current-year | — |
| 2025 | 49.00 AQI index | — | — |
| 2024 | 50.00 AQI index | — | — |
| 2023 | 48.00 AQI index | — | — |
| 2022 | 48.00 AQI index | — | — |
| 2021 | 50.00 AQI index | — | — |
| 2020 | 46.00 AQI index | — | — |
| 2019 | 47.00 AQI index | — | — |
| 2018 | 48.00 AQI index | — | — |
| 2017 | 49.00 AQI index | — | — |
| 2016 | 46.00 AQI index | — | — |
| 2015 | 46.00 AQI index | — | — |
| 2014 | 46.00 AQI index | — | — |
| 2013 | 47.00 AQI index | — | — |
| 2012 | 51.00 AQI index | — | — |
| 2011 | 47.00 AQI index | — | — |
| 2010 | 48.00 AQI index | — | — |
| 2009 | 46.00 AQI index | — | — |
| 2008 | 50.00 AQI index | — | — |
| 2007 | 48.00 AQI index | — | — |
| 2006 | 47.00 AQI index | — | — |
| 2005 | 46.00 AQI index | — | — |
| 2004 | 48.00 AQI index | — | — |
| 2003 | 54.00 AQI index | — | — |
| 2002 | 50.00 AQI index | — | — |
| 2001 | 50.00 AQI index | — | — |
| 2000 | 50.00 AQI index | — | — |
| 1999 | 50.00 AQI index | — | — |
| 1998 | 48.00 AQI index | — | — |
| 1997 | 48.00 AQI index | — | — |
| 1996 | 49.00 AQI index | — | — |
| 1995 | 47.00 AQI index | — | — |
| 1994 | 51.00 AQI index | — | — |
| 1993 | 46.00 AQI index | — | — |
| 1992 | 45.00 AQI index | — | — |
| 1991 | 46.00 AQI index | — | — |
| 1990 | 45.00 AQI index | — | — |
| 1989 | 24.00 AQI index | — | — |
| 1987 | 31.00 AQI index | — | — |
| 1986 | 26.00 AQI index | — | — |
| 1985 | 36.00 AQI index | — | — |
Annual indicator
Moderate AQI days
34.00 days2026
EPA annual CBSA summary field: Moderate Days. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | days | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 34.00 days | provisional-current-year | — |
| 2025 | 150.00 days | — | — |
| 2024 | 163.00 days | — | — |
| 2023 | 149.00 days | — | — |
| 2022 | 136.00 days | — | — |
| 2021 | 158.00 days | — | — |
| 2020 | 106.00 days | — | — |
| 2019 | 120.00 days | — | — |
| 2018 | 144.00 days | — | — |
| 2017 | 143.00 days | — | — |
| 2016 | 103.00 days | — | — |
| 2015 | 88.00 days | — | — |
| 2014 | 85.00 days | — | — |
| 2013 | 126.00 days | — | — |
| 2012 | 182.00 days | — | — |
| 2011 | 131.00 days | — | — |
| 2010 | 137.00 days | — | — |
| 2009 | 100.00 days | — | — |
| 2008 | 174.00 days | — | — |
| 2007 | 139.00 days | — | — |
| 2006 | 135.00 days | — | — |
| 2005 | 91.00 days | — | — |
| 2004 | 143.00 days | — | — |
| 2003 | 181.00 days | — | — |
| 2002 | 156.00 days | — | — |
| 2001 | 172.00 days | — | — |
| 2000 | 159.00 days | — | — |
| 1999 | 150.00 days | — | — |
| 1998 | 148.00 days | — | — |
| 1997 | 128.00 days | — | — |
| 1996 | 147.00 days | — | — |
| 1995 | 109.00 days | — | — |
| 1994 | 182.00 days | — | — |
| 1993 | 95.00 days | — | — |
| 1992 | 84.00 days | — | — |
| 1991 | 92.00 days | — | — |
| 1990 | 86.00 days | — | — |
| 1989 | 2.00 days | — | — |
| 1987 | 3.00 days | — | — |
| 1986 | 5.00 days | — | — |
| 1985 | 3.00 days | — | — |
Annual indicator
90th percentile daily AQI
83.00 AQI index2026
EPA annual CBSA summary field: 90th Percentile AQI. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | AQI index | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 83.00 AQI index | provisional-current-year | — |
| 2025 | 77.00 AQI index | — | — |
| 2024 | 80.00 AQI index | — | — |
| 2023 | 71.00 AQI index | — | — |
| 2022 | 67.00 AQI index | — | — |
| 2021 | 84.00 AQI index | — | — |
| 2020 | 71.00 AQI index | — | — |
| 2019 | 61.00 AQI index | — | — |
| 2018 | 74.00 AQI index | — | — |
| 2017 | 74.00 AQI index | — | — |
| 2016 | 64.00 AQI index | — | — |
| 2015 | 61.00 AQI index | — | — |
| 2014 | 64.00 AQI index | — | — |
| 2013 | 67.00 AQI index | — | — |
| 2012 | 77.00 AQI index | — | — |
| 2011 | 71.00 AQI index | — | — |
| 2010 | 71.00 AQI index | — | — |
| 2009 | 64.00 AQI index | — | — |
| 2008 | 77.00 AQI index | — | — |
| 2007 | 74.00 AQI index | — | — |
| 2006 | 74.00 AQI index | — | — |
| 2005 | 61.00 AQI index | — | — |
| 2004 | 77.00 AQI index | — | — |
| 2003 | 97.00 AQI index | — | — |
| 2002 | 87.00 AQI index | — | — |
| 2001 | 80.00 AQI index | — | — |
| 2000 | 87.00 AQI index | — | — |
| 1999 | 77.00 AQI index | — | — |
| 1998 | 80.00 AQI index | — | — |
| 1997 | 67.00 AQI index | — | — |
| 1996 | 80.00 AQI index | — | — |
| 1995 | 67.00 AQI index | — | — |
| 1994 | 80.00 AQI index | — | — |
| 1993 | 64.00 AQI index | — | — |
| 1992 | 64.00 AQI index | — | — |
| 1991 | 71.00 AQI index | — | — |
| 1990 | 61.00 AQI index | — | — |
| 1989 | 40.00 AQI index | — | — |
| 1987 | 53.00 AQI index | — | — |
| 1986 | 51.00 AQI index | — | — |
| 1985 | 49.00 AQI index | — | — |
Annual indicator
Unhealthy AQI days
4.00 days2026
EPA annual CBSA summary field: Unhealthy Days. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | days | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 4.00 days | provisional-current-year | — |
| 2025 | 2.00 days | — | — |
| 2024 | 1.00 days | — | — |
| 2023 | 0.00 days | — | — |
| 2022 | 2.00 days | — | — |
| 2021 | 0.00 days | — | — |
| 2020 | 2.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 0.00 days | — | — |
| 2017 | 1.00 days | — | — |
| 2016 | 0.00 days | — | — |
| 2015 | 0.00 days | — | — |
| 2014 | 0.00 days | — | — |
| 2013 | 0.00 days | — | — |
| 2012 | 0.00 days | — | — |
| 2011 | 0.00 days | — | — |
| 2010 | 0.00 days | — | — |
| 2009 | 1.00 days | — | — |
| 2008 | 0.00 days | — | — |
| 2007 | 1.00 days | — | — |
| 2006 | 0.00 days | — | — |
| 2005 | 0.00 days | — | — |
| 2004 | 0.00 days | — | — |
| 2003 | 1.00 days | — | — |
| 2002 | 0.00 days | — | — |
| 2001 | 0.00 days | — | — |
| 2000 | 2.00 days | — | — |
| 1999 | 0.00 days | — | — |
| 1998 | 0.00 days | — | — |
| 1997 | 0.00 days | — | — |
| 1996 | 0.00 days | — | — |
| 1995 | 0.00 days | — | — |
| 1994 | 0.00 days | — | — |
| 1993 | 0.00 days | — | — |
| 1992 | 0.00 days | — | — |
| 1991 | 0.00 days | — | — |
| 1990 | 0.00 days | — | — |
| 1989 | 0.00 days | — | — |
| 1987 | 0.00 days | — | — |
| 1986 | 0.00 days | — | — |
| 1985 | 0.00 days | — | — |
Annual indicator
Unhealthy for sensitive groups days
2.00 days2026
EPA annual CBSA summary field: Unhealthy for Sensitive Groups Days. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | days | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 2.00 days | provisional-current-year | — |
| 2025 | 10.00 days | — | — |
| 2024 | 12.00 days | — | — |
| 2023 | 4.00 days | — | — |
| 2022 | 2.00 days | — | — |
| 2021 | 13.00 days | — | — |
| 2020 | 7.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 3.00 days | — | — |
| 2017 | 2.00 days | — | — |
| 2016 | 0.00 days | — | — |
| 2015 | 0.00 days | — | — |
| 2014 | 0.00 days | — | — |
| 2013 | 3.00 days | — | — |
| 2012 | 7.00 days | — | — |
| 2011 | 4.00 days | — | — |
| 2010 | 3.00 days | — | — |
| 2009 | 0.00 days | — | — |
| 2008 | 2.00 days | — | — |
| 2007 | 3.00 days | — | — |
| 2006 | 3.00 days | — | — |
| 2005 | 0.00 days | — | — |
| 2004 | 5.00 days | — | — |
| 2003 | 23.00 days | — | — |
| 2002 | 18.00 days | — | — |
| 2001 | 4.00 days | — | — |
| 2000 | 11.00 days | — | — |
| 1999 | 9.00 days | — | — |
| 1998 | 3.00 days | — | — |
| 1997 | 5.00 days | — | — |
| 1996 | 8.00 days | — | — |
| 1995 | 0.00 days | — | — |
| 1994 | 4.00 days | — | — |
| 1993 | 0.00 days | — | — |
| 1992 | 1.00 days | — | — |
| 1991 | 3.00 days | — | — |
| 1990 | 0.00 days | — | — |
| 1989 | 0.00 days | — | — |
| 1987 | 0.00 days | — | — |
| 1986 | 0.00 days | — | — |
| 1985 | 0.00 days | — | — |
Annual indicator
Very unhealthy AQI days
0.00 days2026
EPA annual CBSA summary field: Very Unhealthy Days. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | days | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 0.00 days | provisional-current-year | — |
| 2025 | 0.00 days | — | — |
| 2024 | 0.00 days | — | — |
| 2023 | 0.00 days | — | — |
| 2022 | 0.00 days | — | — |
| 2021 | 0.00 days | — | — |
| 2020 | 0.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 0.00 days | — | — |
| 2017 | 0.00 days | — | — |
| 2016 | 0.00 days | — | — |
| 2015 | 0.00 days | — | — |
| 2014 | 0.00 days | — | — |
| 2013 | 0.00 days | — | — |
| 2012 | 0.00 days | — | — |
| 2011 | 0.00 days | — | — |
| 2010 | 0.00 days | — | — |
| 2009 | 0.00 days | — | — |
| 2008 | 0.00 days | — | — |
| 2007 | 0.00 days | — | — |
| 2006 | 0.00 days | — | — |
| 2005 | 0.00 days | — | — |
| 2004 | 0.00 days | — | — |
| 2003 | 0.00 days | — | — |
| 2002 | 0.00 days | — | — |
| 2001 | 0.00 days | — | — |
| 2000 | 0.00 days | — | — |
| 1999 | 0.00 days | — | — |
| 1998 | 0.00 days | — | — |
| 1997 | 0.00 days | — | — |
| 1996 | 0.00 days | — | — |
| 1995 | 0.00 days | — | — |
| 1994 | 0.00 days | — | — |
| 1993 | 0.00 days | — | — |
| 1992 | 0.00 days | — | — |
| 1991 | 0.00 days | — | — |
| 1990 | 0.00 days | — | — |
| 1989 | 0.00 days | — | — |
| 1987 | 0.00 days | — | — |
| 1986 | 0.00 days | — | — |
| 1985 | 0.00 days | — | — |
Field-level provenance
Sources for this profile
Dates and licenses apply to the specific facts and series supplied by each source.
U.S. EPA AirData
- Applicable date
- 2026-04-30
- Dataset version
- 10350f77cf0f
- License
- U.S. federal factual data; verify third-party fields
- Attribution
- U.S. Environmental Protection Agency
U.S. EPA AirData
- Applicable date
- 2026-07-30
- Dataset version
- annual-aqi-by-cbsa-v1
- License
- U.S. federal factual data; verify third-party fields
- Attribution
- U.S. Environmental Protection Agency
DataOfWorld deterministic air-quality profile template
- Applicable date
- 2026-04-30
- Dataset version
- air-quality-profile-v1
- License
- Original DataOfWorld text
- Attribution
- DataOfWorld
Reference data can change. Verify consequential decisions against the original source.