Rochester, New York

Environmental Quality Report Card

Rochester 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
34.5 AQI

Yearly average AQI (2024): 34.5. National average: 41.4. 56 moderate days, 2 unhealthy days recorded.

Water Quality (Key Indicators)

Grade B
7.62 pH

Latest pH level (2024): 7.62. Ideal range: 6.5–8.5.

Facility Violations

Grade C
6 significant violations

Facilities like factories and treatment plants had 6 significant and 3237 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 7.62 6.5 - 8.5 A 10/28/2024
Copper 15.10 mg/L <1.3 F 7/8/2024
Zinc 1820.00 mg/L <5 F 7/8/2024

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
Transparency, tube with disk 100.00 cm 10/28/2024
Temperature, water 14.44 deg C 10/30/2024
Stream recreational suitability (choice list) 3.00 N/A 10/28/2024
Stream Physical Appearance, Minnesota (choice list) 2.00 N/A 10/28/2024
Specific conductance 606.00 uS/cm 10/28/2024
Dissolved oxygen (DO) 7.04 mg/L 10/28/2024
Dissolved oxygen saturation 91.70 % 10/28/2024
Kjeldahl nitrogen 0.36 mg/L 10/28/2024
Phosphorus 0.03 mg/L 10/28/2024
Total suspended solids 15.50 mg/L 10/28/2024
Nitrate + Nitrite 0.48 mg/L 10/28/2024
Escherichia coli 517.20 MPN/100mL 8/26/2024
Depth, Secchi disk depth 0.76 m 10/30/2024
Lake recreational suitability (choice list) 3.00 N/A 10/30/2024
Lake physical appearance (choice list) 3.00 N/A 10/30/2024
Chloride 104.00 mg/L 10/28/2024
Perfluorobutanesulfonic acid 2.82 ng/L 7/8/2024
Strontium 53.50 ug/L 7/24/2024
Alkalinity, total 198.00 mg/L 7/16/2024
Potassium 1.73 mg/L 7/8/2024
Perfluoroheptanoic acid 0.36 ng/L 7/8/2024
Magnesium 19.60 mg/L 7/8/2024
Sulfate 22.00 mg/L 7/17/2024
Molybdenum 1.06 ug/L 7/24/2024
Calcium 84.00 mg/L 7/8/2024
Barium 37.10 ug/L 7/24/2024
Bromide 0.03 mg/L 7/22/2024
Nickel 1.54 ug/L 7/24/2024
Organic carbon 1.40 mg/L 7/22/2024
Iron 44.00 ug/L 7/8/2024
Perfluorobutanoate 7.39 ng/L 7/8/2024
Selenium 1.01 ug/L 7/24/2024
Perfluorooctanoic acid 0.64 ng/L 7/8/2024
Sodium 16.50 mg/L 7/8/2024
6:2 Fluorotelomer sulfonate acid 0.86 ng/L 7/7/2024
Fluoride 0.22 mg/L 7/7/2024
Manganese 34.10 ug/L 7/24/2024
Chromium 1.67 ug/L 7/24/2024
Chlorophyll a, corrected for pheophytin 4.40 ug/L 7/29/2024
Ammonia-nitrogen 0.53 mg/L 7/7/2024

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
34.5 41.4 300 56 2 154 (on 6/2/2025) 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.

4,754 monitored facilities

Total Violations: 3237

Significant Violations: 6

Total Penalties: $12,424,827

Despite 6 significant violations, Rochester reported 3,237 total violations across monitored facilities in 2024. This results in a compliance grade of C, reflecting average 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 Rochester.
  • 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.