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Environment

Air Pollutant - Carbon Monoxide (Maximum 8-Hour Mean)

Data from Jan 2000 to Dec 2025

Last updated: 27 Mar 2026, 16:37 SGT

NEA (National Environment Agency)

CO 8-hr mean (max)

Data explorer

AirPollutantCarbonMonoxideMaximum8HourMean.csv (26 rows, 280 B)

Year Year (YYYY)	Co Max 8hour Mean Text
(Null)0.0%	(Null)0.0%
2000	3.7
2001	4.2
2002	2.7
2003	3.2
2004	2.8
2005	2.4
2006	2.6
2007	1.7
2008	1.6
2009	1.9

Column legend

Title	Column name	Data type	Unit of measure	Description
Year	year	Year (YYYY)	-	-
Co Max 8hour Mean	co_max_8hour_mean	Text	-	-

Analyse this dataset with Colab Notebook

1. Copy this dataset ID: d_fdf8b7d640136ddd3bf461abf33d9b40
2. Click on the button below

Sample OpenAPI query

This code can be used to test a sample API query. It retrieves the data catalogue of this dataset. For a complete guide on query parameters and syntax, please refer to the API documentation. Try it out on your browser to see the response schema.

import requests
          
dataset_id = "d_fdf8b7d640136ddd3bf461abf33d9b40"
url = "https://data.gov.sg/api/action/datastore_search?resource_id="  + dataset_id 
        
response = requests.get(url)
print(response.json())

Citation

This dataset can be reused and cited in research publications.

National Environment Agency. (2015). Air Pollutant - Carbon Monoxide (Maximum 8-Hour Mean) (2026) [Dataset]. data.gov.sg. Retrieved April 1, 2026 from https://data.gov.sg/datasets/d_fdf8b7d640136ddd3bf461abf33d9b40/view

About this dataset

Contact

Maye_WOO@nea.gov.sg

Created on

21 May 2015

Licence

Free forever for personal or commercial use, under the Open Data Licence.

Agency

NEA (National Environment Agency)