Legislation Explorer | UNEP Law and Environment Assistance Platform

Search Global Air Quality Laws

PM2.5 (10 μg/m3 annual mean 25 μg/m3 24-hour mean)
The WHO Air quality guidelines are a set of evidence-based recommendations of limit values for specific air pollutants developed to help countries achieve air quality that protects public health. The first release of the guidelines was in 1987. Since then, several updated versions have appeared. This toolkit currently assesses countries against the 2005 guideline values (see here). The guidelines were updated more recently in 2021 (see here) and the legislation and policies presented in this toolkit will in the future be reassessed against these updated values.
PM10 (20 μg/m3 annual mean)
The WHO Air quality guidelines are a set of evidence-based recommendations of limit values for specific air pollutants developed to help countries achieve air quality that protects public health. The first release of the guidelines was in 1987. Since then, several updated versions have appeared. This toolkit currently assesses countries against the 2005 guideline values (see here). The guidelines were updated more recently in 2021 (see here) and the legislation and policies presented in this toolkit will in the future be reassessed against these updated values.
- Compliant with WHO guideline
- Weaker than WHO guideline
PM10 (50 μg/m3 24-hour mean)
The WHO Air quality guidelines are a set of evidence-based recommendations of limit values for specific air pollutants developed to help countries achieve air quality that protects public health. The first release of the guidelines was in 1987. Since then, several updated versions have appeared. This toolkit currently assesses countries against the 2005 guideline values (see here). The guidelines were updated more recently in 2021 (see here) and the legislation and policies presented in this toolkit will in the future be reassessed against these updated values.
- Compliant with WHO guideline
- Weaker than WHO guideline
Ozone (100 μg/m3 8-hour mean)
The WHO Air quality guidelines are a set of evidence-based recommendations of limit values for specific air pollutants developed to help countries achieve air quality that protects public health. The first release of the guidelines was in 1987. Since then, several updated versions have appeared. This toolkit currently assesses countries against the 2005 guideline values (see here). The guidelines were updated more recently in 2021 (see here) and the legislation and policies presented in this toolkit will in the future be reassessed against these updated values.
- Compliant with WHO guideline
- Weaker than WHO guideline
NO2 (40 μg/m3 annual mean)
The WHO Air quality guidelines are a set of evidence-based recommendations of limit values for specific air pollutants developed to help countries achieve air quality that protects public health. The first release of the guidelines was in 1987. Since then, several updated versions have appeared. This toolkit currently assesses countries against the 2005 guideline values (see here). The guidelines were updated more recently in 2021 (see here) and the legislation and policies presented in this toolkit will in the future be reassessed against these updated values.
- Compliant with WHO guideline
- Weaker than WHO guideline
NO2 (200 μg/m3 1-hour mean)
The WHO Air quality guidelines are a set of evidence-based recommendations of limit values for specific air pollutants developed to help countries achieve air quality that protects public health. The first release of the guidelines was in 1987. Since then, several updated versions have appeared. This toolkit currently assesses countries against the 2005 guideline values (see here). The guidelines were updated more recently in 2021 (see here) and the legislation and policies presented in this toolkit will in the future be reassessed against these updated values.
- Compliant with WHO guideline
- Weaker than WHO guideline
SO2 (20 μg/m3 24-hour mean)
The WHO Air quality guidelines are a set of evidence-based recommendations of limit values for specific air pollutants developed to help countries achieve air quality that protects public health. The first release of the guidelines was in 1987. Since then, several updated versions have appeared. This toolkit currently assesses countries against the 2005 guideline values (see here). The guidelines were updated more recently in 2021 (see here) and the legislation and policies presented in this toolkit will in the future be reassessed against these updated values.
- Compliant with WHO guideline
- Weaker than WHO guideline
SO2 (500 μg/m3 10-minute mean)
The WHO Air quality guidelines are a set of evidence-based recommendations of limit values for specific air pollutants developed to help countries achieve air quality that protects public health. The first release of the guidelines was in 1987. Since then, several updated versions have appeared. This toolkit currently assesses countries against the 2005 guideline values (see here). The guidelines were updated more recently in 2021 (see here) and the legislation and policies presented in this toolkit will in the future be reassessed against these updated values.
- Compliant with WHO guideline
- Weaker than WHO guideline
Newly acknowledged pollutants
The WHO Air quality guidelines are a set of evidence-based recommendations of limit values for specific air pollutants developed to help countries achieve air quality that protects public health. The first release of the guidelines was in 1987. Since then, several updated versions have appeared. This toolkit currently assesses countries against the 2005 guideline values (see here). The guidelines were updated more recently in 2021 (see here) and the legislation and policies presented in this toolkit will in the future be reassessed against these updated values.
- Yes

Showing 1 - 4 of 4 results

Regulation

| 2017 |

Colombia

Resolución Nº 2254 - Norma de calidad del aire ambiente.

La presente Resolución establece la norma de calidad del aire o nivel de inmisión y adopta disposiciones para la gestión del recurso aire en el territorio nacional, con el objeto de garantizar un ambiente sano y minimizar el riesgo sobre la salud humana que pueda ser causado por la exposición a los contaminantes en la atmósfera. La norma establece los niveles máximos permisibles a condiciones de...

Regulation

| 2015 |

Paraguay

Resolución Nº 259/15 – Por la cual se establecen parámetros permisibles de calidad del aire.

En el marco de la Ley de calidad del aire, por la presente Resolución se establecen los parámetros permisibles de calidad del aire. El artículo 1º contiene un cuadro detallado según los distintos contaminantes.

Keywords

Nitrogen dioxide, Nitrogen monoxide, Carbon monoxide, Nitrogen oxides

Legislation

| 2012 |

Timor-Leste

Decree-Law No. 26/2012 establishing the Environmental Basic Legislation.

This Decree-Law, consisting of 10 Chapters, establishes the Environmental Basic Legislation. It specifies the policy on environment and wildlife protection, including the basic principles for conservation, preservation and sustainable use of natural resources in order to improve the quality of life of the local populations. This Decree-Law applies for all the National territory, in particular for...

Keywords

Legislation, Zones, Zoning

Miscellaneous

| 2012 |

China

Ambient Air Quality Standards (National Standard GB 3095-2012)

This Standard presents requirements for the zoning of ambient air quality function areas, classification of standards, pollution items, data taking time and concentration limits, sampling and analyzing methods and validity of data statistics. It is applicable to the assessment of air quality across China. There are three grades of ambient air quality function areas: Grade I is nature reserves...

Keywords

Ambient air quality standards, Particulate matter, PM10, PM2.5, Ambient air

Search Global Air Quality Laws

Year

Ambient Air Quality Standards

Responsibility for air quality standards

Indoor Air Quality Standards

Type of instrument

Nature of legal obligations

Exceedances

Compliance with WHO Air Quality Guidelines (2005)

Legal requirement to monitor

Procedural and substantive rights

Legal coordination of policy to achieve AAQS

Enforcement mechanisms

Provisions for transboundary air pollution

Search Global Air Quality Laws

Country

UN regional group

Year

Ambient Air Quality Standards

Responsibility for air quality standards

Indoor Air Quality Standards

Type of instrument

Nature of legal obligations

Exceedances

Compliance with WHO Air Quality Guidelines (2005)

Legal requirement to monitor

Procedural and substantive rights

Legal coordination of policy to achieve AAQS

Enforcement mechanisms

Provisions for transboundary air pollution