CLEAR county synthesis: JACKSON

Stored model output

# 1. Executive screening summary

The county of JACKSON has an annual maximum AQI of 105, with the highest ozone AQI also recorded at 105. The average PM2.5 concentration is 4.202 µg/m³. There were 364 days with AQI values recorded, and 3 days categorized as unhealthy for sensitive groups. No days were classified as unhealthy. The highest PM2.5 AQI recorded was 78.

# 2. Industrial profile

There are 10 facility candidates in JACKSON, with 8 distinct owners and 7 distinct NAICS codes. The top facility owners include "BASIN RESOURCES INC" and "LAFARGE WEST, INC." The top NAICS codes are 211130, 212112, and 212114. The county has 10 geocoded facilities, with 10 facilities having zip codes. The top zip code with the most facility candidate rows is 80480.

# 3. PM2.5 and ozone signal

The average ozone concentration is 0.04226 ppm, with 362 days of ozone monitoring. The highest ozone AQI recorded was 105, occurring on July 22, 2024, and August 3, 2024. The average PM2.5 concentration is 4.202 µg/m³, with 233 days of PM2.5 monitoring. The highest PM2.5 AQI recorded was 78.

# 4. Highest PM2.5 dates

The highest PM2.5 AQI occurred on July 23, 2024, with an average arithmetic mean of 23.51 µg/m³. Other high PM2.5 days include July 24, 2024, and July 22, 2024, with average arithmetic means of 22.73 and 20.84 µg/m³, respectively.

# 5. Confounders and missing data

Potential confounders include wildfire smoke, regional transport, meteorology, temperature inversion, agricultural dust, oil and gas activity, traffic, and monitor siting limitations. Missing data include facility-level emissions, permit violation records, hospitalization data, wind/smoke data, and no causal model or source apportionment.

# 6. What cannot be concluded

No causation, permit violation, enforcement priority, compliance status, or health attribution can be concluded from this evidence packet. The data do not support conclusions about the sources of air pollution or their health impacts.

# 7. Recommended next data pulls and policy addendum candidates

Additional data pulls should include facility-level emissions, structured permit violation records, hospitalization data, and wind/smoke data. Policy addendum candidates may include further investigation into industrial activity, monitoring improvements, and regional air quality collaboration.

Packet audit trail