Lead Air Legislation in LMICs
A reference document collating regulatory limits for lead in ambient air across selected countries in Africa, Asia, and South America. Most countries set an annual or quarterly mean air concentration limit; some (Thailand, India, Peru) use monthly or 24-hour limits. Coverage is not exhaustive — many smaller countries either lack a Pb-specific air standard or adopt regional/WHO values by reference.
Why this matters for ULAB Plume
Many LMICs have legally binding limits for lead concentrations in ambient air. The gap is rarely in legislation — it is in monitoring. Pb-specific monitoring networks in many of these countries are sparse, and Pb is often a "report only when source-relevant" parameter.
For example, Brazil's CONAMA 506/2024 and Colombia's Resolución 2254/2017 require Pb monitoring near specific industrial sources rather than as a routine criterion pollutant network. This means that even where regulatory limits exist, ambient air lead is seldom measured at potential exceedance sites — including ULAB recycling facilities.
ULAB Plume can help close this monitoring gap. Where direct measurement is unavailable, ULAB Plume produces dispersion modelling estimates that can be compared against these regulatory limits to identify potentially non-compliant facilities for priority intervention or formal monitoring.
WHO Air Quality Guideline
WHO's 2021 Global Air Quality Guidelines retain 0.5 µg/m³ as the annual Pb guideline (unchanged from 2000), which is why so many countries cluster around that value.
ULAB Plume's air concentration heat map includes a dashed reference contour at 0.5 µg/m³ marking this threshold.
Source: World Health Organization (2021). WHO global air quality guidelines: particulate matter, ozone, nitrogen dioxide, sulfur dioxide and carbon monoxide.
Africa
| Country | Air concentration limit (Pb) | Legally binding | Reference |
|---|---|---|---|
| South Africa | 0.5 µg/m³ (annual mean) | Yes | National Ambient Air Quality Standards, Government Notice No. 1210, 24 December 2009, under the National Environmental Management: Air Quality Act (No. 39 of 2004). Gazette PDF |
| Egypt | 1.0 µg/m³ (annual mean) | Yes | Environmental Law No. 4 of 1994 (as amended by Laws 9/2009 and 105/2015) and Executive Regulation 338/1995 (amended by Resolution 1741/2005). EEAA reference |
| Nigeria | Unclear — no specific Pb air limit found, but ambient values referenced to WHO/US standards | Partially / unclear | National Environmental (Air Quality Control) Regulations S.I. No. 88, 2021 (amended) is binding but does not publish a Pb ambient value publicly. NESREA laws page |
| Kenya | No Pb-specific ambient limit (uses WHO guideline values by reference for general air quality management) | Not as a numeric Pb standard | Environmental Management and Co-ordination (Air Quality) Regulations, 2014 (Legal Notice No. 34 of 2014) |
| Ghana | Ambient: 0.5 µg/m³ annual; 1 µg/m³ 24-hour. Fenceline: 0.5 µg/m³ annual; 1 µg/m³ 24-hour. Point source / stack: 0.50 mg/m³ particulate Pb. | Yes | Ghana Standard GS 1236:2019, "Environment and Health Protection — Requirements for Ambient Air Quality and Point Source/Stack Emissions" (published 31 Dec 2019), developed by EPA with the Ghana Standards Authority. The overarching Air Quality Management Regulations (LI) was passed by Parliament in September 2025, providing the enforcement vehicle for these standards. |
| Tanzania | Ambient: annual mean 0.5–1.0 µg/Nm³; 24-hour 1.5 µg/Nm³. Stationary source emission: ≤ 5 tonnes/year of lead or lead compounds | Yes | Environmental Management (Air Quality Standards) Regulations, 2007 (Government Notice 237 of 2007), made under the Environmental Management Act, 2004 (Cap 191). Full text PDF |
Asia
| Country | Air concentration limit (Pb) | Legally binding | Reference |
|---|---|---|---|
| India | 0.5 µg/m³ (annual); 1.0 µg/m³ (24-hour) | Yes | National Ambient Air Quality Standards, CPCB Notification, 18 November 2009, under the Air (Prevention and Control of Pollution) Act, 1981. CPCB notification |
| China | 0.5 µg/m³ (annual); 1.0 µg/m³ (seasonal/quarterly) | Yes | Ambient Air Quality Standards GB 3095-2012 (and 2018 amendment), Ministry of Ecology and Environment. Standard summary |
| Indonesia | 2 µg/m³ (24-hour); 1 µg/m³ (annual) | Yes | Government Regulation No. 22 of 2021 (PP 22/2021), Appendix VII, on Implementation of Environmental Protection and Management |
| Thailand | 1.5 µg/m³ (monthly mean) | Yes | Notification of the National Environmental Board, under the Enhancement and Conservation of National Environmental Quality Act B.E. 2535 (1992); administered by the Pollution Control Department. Standard summary |
| Vietnam | 0.5 µg/m³ (annual); 1.5 µg/m³ (24-hour) | Yes | National Technical Regulation on Ambient Air Quality QCVN 05:2023/BTNMT (replaced QCVN 05:2013), Ministry of Natural Resources and Environment |
| South Korea | 0.5 µg/m³ (annual) | Yes | Enforcement Decree of the Clean Air Conservation Act, ambient air quality standards set by the Ministry of Environment. AirKorea |
| Philippines | 1.0 µg/m³ (3-month average); 1.5 µg/m³ (annual guideline) | Yes | Republic Act No. 8749 (Philippine Clean Air Act of 1999) and DENR Administrative Order 2000-81 |
| Pakistan | 1.0 µg/m³ (annual); 1.5 µg/m³ (24-hour) | Yes | National Environmental Quality Standards for Ambient Air, Pakistan Environmental Protection Agency, S.R.O. 1062(I)/2010 (notified under Pakistan Environmental Protection Act 1997) |
| Bangladesh | 0.5 µg/m³ (annual) | Yes | Environment Conservation Rules, 1997, Schedule 2 (as amended), under the Environment Conservation Act, 1995 |
South America
| Country | Air concentration limit (Pb) | Legally binding | Reference |
|---|---|---|---|
| Brazil | 0.5 µg/m³ (annual mean — adopts WHO 2021 final value directly for Pb) | Yes | Resolução CONAMA No. 506/2024 (replacing Res. 491/2018), Conselho Nacional do Meio Ambiente. CONAMA 506/2024 text |
| Chile | 0.5 µg/m³ (annual mean) | Yes | Decreto Supremo No. 136 de 2000, Ministerio Secretaría General de la Presidencia, "Establece Norma de Calidad Primaria para Plomo en el Aire". Norma text |
| Colombia | 0.5 µg/m³ (annual mean, listed in Tabla 3 — toxic air pollutants, monitored where source-relevant) | Yes | Resolución 2254 de 2017, Ministerio de Ambiente y Desarrollo Sostenible. Resolution |
| Peru | 1.5 µg/m³ (monthly, in PM10) | Yes | Decreto Supremo No. 003-2017-MINAM, "Aprueban Estándares de Calidad Ambiental (ECA) para Aire". Norma |
| Argentina | No federal numeric Pb-in-air standard currently in force; Buenos Aires Province sets 1.5 µg/m³ as 3-month arithmetic mean | Only in Buenos Aires | Ley Nacional 20.284/1973 (no Pb numeric value); Provincia de Buenos Aires Decreto 1074/2018 (which replaced Decreto 3395/96). Decreto 1074/2018 |
| Ecuador | 0.5 µg/m³ (annual mean) | Yes | Norma de Calidad del Aire Ambiente, Acuerdo Ministerial No. 097-A (2015), Ministerio del Ambiente, under Texto Unificado de Legislación Secundaria del Ministerio del Ambiente (TULSMA), Libro VI, Anexo 4 |
Methodology and limitations
This survey was compiled from publicly available regulations, gazettes, and peer-reviewed environmental policy literature. Coverage focuses on countries with significant ULAB recycling activity. Several limitations apply:
- Limits cited are those in primary legislation, gazetted standards, or formally enforceable regulations — guidelines and targets are excluded
- "Legally binding" status was confirmed via regulatory citation, but enforcement effectiveness varies and is not assessed here
- Some countries (notably Argentina, Kenya, Nigeria) have unclear or partial Pb-specific regulations; details are flagged in the table
- This is a research-grade reference, not a legal compliance database. For specific compliance questions, consult primary regulatory sources directly
For corrections, additions, or expansion to other regions (Central America, Central Asia, Middle East), contact chrisk@pureearth.org.
Last updated
8 May 2026