# U.S. Environmental Protection Agency

Invokely serves 177,881 values of 11 statistics for 1,549 places from the U.S. Environmental Protection Agency.

- Short name: EPA
- Website: https://www.epa.gov/outdoor-air-quality-data
- License: Public domain (US government work, 17 U.S.C. 105); citation requested (https://edg.epa.gov/EPA_Data_License.html)
- Coverage: Regions and states: 51 in the United States
- Coverage: Provinces and counties: 1,498 in the United States
- Latest retrieval: 2026-10-12
- Source ids: `epa`, `epa_ghg`
- Web page: https://invokely.ai/en/publishers/environmental-protection-agency

## Citation format

- U.S. Environmental Protection Agency, Air Quality System, AirData. {title}. {url}. Retrieved {date}.
- U.S. Environmental Protection Agency, Inventory of U.S. Greenhouse Gas Emissions and Sinks by State. {title}. {url}. Retrieved {date}.

## Statistics

| Indicator | Id | Places | Page |
|---|---|---:|---|
| Share of days with good air quality (US EPA AQI) | `aqi_good_days_share` | 1,498 | https://invokely.ai/en/good-air-quality-days-share |
| Highest daily Air Quality Index (US EPA) | `aqi_max` | 1,498 | https://invokely.ai/en/highest-daily-air-quality-index |
| Median Air Quality Index (US EPA) | `aqi_median` | 1,498 | https://invokely.ai/en/median-air-quality-index |
| Share of days unhealthy for sensitive groups or worse (US EPA AQI) | `aqi_unhealthy_sensitive_or_worse_days_share` | 1,498 | https://invokely.ai/en/unhealthy-air-quality-days-share |
| Greenhouse gas emissions (EPA state inventory) | `state_ghg_emissions` | 51 | https://invokely.ai/en/state-greenhouse-gas-emissions |
| Greenhouse gas emissions from agriculture (EPA state inventory) | `state_ghg_emissions_agriculture` | 51 | https://invokely.ai/en/state-ghg-emissions-agriculture |
| Greenhouse gas emissions from commercial buildings and waste (EPA state inventory) | `state_ghg_emissions_commercial` | 51 | https://invokely.ai/en/state-ghg-emissions-commercial |
| Greenhouse gas emissions from electric power (EPA state inventory) | `state_ghg_emissions_electric_power` | 51 | https://invokely.ai/en/state-ghg-emissions-electric-power |
| Greenhouse gas emissions from industry (EPA state inventory) | `state_ghg_emissions_industry` | 51 | https://invokely.ai/en/state-ghg-emissions-industry |
| Greenhouse gas emissions from homes (EPA state inventory) | `state_ghg_emissions_residential` | 51 | https://invokely.ai/en/state-ghg-emissions-residential |
| Greenhouse gas emissions from transportation (EPA state inventory) | `state_ghg_emissions_transportation` | 51 | https://invokely.ai/en/state-ghg-emissions-transportation |