Montgomery, Alabama

Environmental Quality Report Card

Montgomery reports good air quality, with AQI levels better than the national average. Water tests indicate safe conditions across key measures. Facility compliance with environmental standards is below the national average.

Air Quality (Annual Overview)

Grade A
30.2 AQI

Yearly average AQI (2024): 30.2. National average: 41.4. 29 moderate days, 0 unhealthy days recorded.

Water Quality (Key Indicators)

Grade B
7.5825 pH

Latest pH level (2024): 7.5825. Ideal range: 6.5–8.5.

Facility Violations

Grade B
19 significant violations

Facilities like factories and treatment plants had 19 significant and 1105 total violations reported in 2024.

Water Quality (with EPA Standards)

Water quality measurements are provided by the Water Quality Portal , a collaboration between the USGS, EPA, and other agencies.

Characteristic Local Value Safe Range Grade Last Measured
pH 7.58 6.5 - 8.5 A 2/5/2025
Turbidity 12.80 NTU <5 F 2/5/2025
Arsenic 0.48 mg/L <0.01 F 6/24/2024
Copper 1.07 mg/L <1.3 A 6/24/2024
Zinc 1.86 mg/L <5 A 6/24/2024

Water Quality (No EPA Standard)

These measurements do not have formal EPA standards but are still important indicators of local water quality.

Characteristic Local Value Unit Last Measured
Specific conductance 119.40 umho/cm 2/5/2025
Dissolved oxygen saturation 96.67 % 2/5/2025
Temperature, water 10.78 deg C 2/5/2025
Depth, data-logger (non-ported) 9.01 m 2/5/2025
Organic carbon 4.10 mg/L 2/5/2025
Hardness, Ca, Mg 56.00 mg/L 9/16/2024
Dissolved oxygen (DO) 11.13 mg/L 2/5/2025
Chlorophyll a 10.70 mg/m3 2/5/2025
Total suspended solids 10.00 mg/L 2/5/2025
Iron 0.22 mg/L 6/24/2024
Nitrate + Nitrite 0.24 mg/L 2/5/2025
Aluminum 0.01 mg/L 6/24/2024
Alkalinity, total 39.90 mg/L 2/5/2025
Total dissolved solids 73.00 mg/L 2/5/2025
Light attenuation, depth at 99% 3.64 m 2/5/2025
Flow 14600.00 ft3/sec 1/8/2025
Calcium 15.10 mg/L 9/16/2024
Magnesium 4.45 mg/L 9/16/2024
Kjeldahl nitrogen 0.24 mg/L 2/5/2025
Manganese 0.07 mg/L 6/24/2024
Depth, bottom 13.10 m 2/5/2025
Chloride 6.21 mg/L 2/5/2025
Phosphorus 0.04 mg/L 2/5/2025
Escherichia coli 83.60 MPN/100mL 2/5/2025
Orthophosphate 0.01 mg/L 2/5/2025
Depth, Secchi disk depth 0.84 m 2/5/2025
True color 15.00 PCU 2/5/2025
Ammonia-nitrogen 0.04 mg/L 8/27/2024

Air Quality Details (2024–2025)

The Air Quality Index (AQI) measures how clean or polluted the air is. A lower AQI means cleaner air. Main pollutants include particulate matter like PM2.5, ozone, and others regulated by EPA standards.
Air quality data sourced from OpenAQ, aggregating official monitoring stations.

Yearly Average AQI National Average AQI Good Days Moderate Days Unhealthy Days Worst Day AQI Top Pollutant
30.2 41.4 329 29 0 89 (on 2/22/2025) PM2.5

Monthly AQI Trend

Monthly average AQI values over the past year. Lower values are better. Peaks may indicate pollution events.

Facility Compliance

Facility compliance and violation data come from the EPA's ECHO database.

3,078 monitored facilities

Total Violations: 1105

Significant Violations: 19

Total Penalties: $6,414,080

Despite 19 significant violations, Montgomery reported 1,105 total violations across monitored facilities in 2024. This results in a compliance grade of B, reflecting strong adherence to environmental standards compared to national benchmarks.

About the Data

This report uses the latest publicly available environmental data:

  • Air Quality: Data sourced from the OpenAQ Platform, aggregating official air quality monitoring stations near Montgomery.
  • Water Quality: Measurements from the Water Quality Portal, a collaboration between the USGS, EPA, and other agencies.
  • Facility Compliance: Sourced from the EPA's ECHO Database, detailing facility violations, penalties, and compliance rates.

All data is refreshed regularly and reflects the latest available figures for 2024.