Primary Pollutant


Singapore aqi air quality index status boy

Major Air Pollutants in Singapore

live rank icon
Singapore pm2.5 icon
22 (PM2.5)
Singapore pm 10 icon
25 (PM10)
Singapore so2 sulphur dioxide icon
1 (SO2)
Singapore o3 ozone icon
22 (Ozone)

PM2.5 1.5X

The current PM2.5 concentration in Singapore is 1.5 times above the recommended limit given by the WHO 24hrs air quality guidelines value.

Singapore - States Air Pollution Level

STATES Status AQI AQI-US AQI-IN PM2.5 PM10 Temp Humid
Central Singapore MODERATE 71 71 37 22 25 28 74

Singapore - Metro Cities AQI

20˚C / 46%
22˚C / 38%
5˚C / 87%
18˚C / 30%
37˚C / 41%

Historic Air Quality Graph of Singapore


Oct 1, 2020


Oct 1, 2020


Explore an insightful air pollution data for last 24 hrs & 7 days

FAQs of Singapore's Air Quality

(Frequently Asked Questions)

Some facts about air pollution level in Singapore and what quality of air you breathe in your region.

The current Air Quality Index (AQI) in Singapore is 37 MODERATE air quality. This reading was last taken 58 minutes ago .

The current concentration of PM2.5 in Singapore is 22 (µg/m³). The World Health Organisation (WHO) recommends 15 µg/m³ 24 hrs as the threshold concentration of PM2.5. Currently, the concentration is 0.88 times the recommended limit.

Generally, the air quality at Singapore starts deteriorating in late October. The winters are the worst-hit season in terms of air pollution.

You should wear a good N95 mask when you go outdoor in Singapore until the AQI is improving upto moderate range.

Office going people should avoid personal vehicles and use public transportations or carpooling.

(i) The primary causes of outdoor air pollution are solid, liquid particles called aerosols & gase from vehicles emissions, construction activities, factories, burning stubble & fossil fuels and wildfire, etc.

(ii) Main causes of indoor air pollution are harmful gases from cooking fuels (such as wood, crop wastes, charcoal, coal and dung), damp, mould smoke, chemicals from cleaning materials, etc.

Indoor air pollution in Singapore is as dangerous as outdoor pollution, because the air pollutants come inside the houses or buildings through doors, windows and ventilation.

In Singapore, you must use an air purifier or fresh air machine at home or office indoor and close all the doors, windows and ventilations when the outdoor air quality index (aqi) in Singapore is very high. Proper ventilation is highly recommended only when outdoor air quality is improving and moderate AQI range.

World's Most Polluted Cities & Countries AQI Ranking

Real-time top most polluted cities and monthly & annual historic AQI ranking of cities & countries

Air Quality Solutions for Singapore

Find out Prana Air's air quality monitors & solutions to fight air pollution in your country.

prana air fresh air machine for Singapore

Keep a track of Singapore air pollution
level on “AQI Air Quality App

Know what you breathe and the quality of air nearby locations. Real-time AQI, map, weather & fire data, health advice with insightful dasbboards.

Singapore aqi air quality mobile app