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Salem AQI Today

57US AQI
Moderate

The current Air Quality Index in Salem, Tamil Nadu, India is 57, which is considered moderate. The fine particulate (PM2.5) concentration is 6.7 µg/m³.

Last updated · Source: CAMS forecast model

Pollutant levels in Salem

PM2.56.7 µg/m³Fine particulate matter
PM1010 µg/m³Coarse particulate matter
O₃91 µg/m³Ozone
NO₂2.5 µg/m³Nitrogen dioxide
SO₂4.1 µg/m³Sulphur dioxide
CO147 µg/m³Carbon monoxide

Health advice

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged or heavy outdoor exertion.

7-day AQI trend

DayAQICategory
Aug 1656Moderate
Aug 1757Moderate
Aug 1861Moderate
Aug 1957Moderate
Aug 2065Moderate
Aug 2164Moderate
Aug 2258Moderate

About the Air Quality Index

The Air Quality Index (AQI) converts measured pollutant concentrations — including PM2.5, PM10, ozone (O₃), nitrogen dioxide (NO₂), sulphur dioxide (SO₂), and carbon monoxide (CO) — into a single 0–500 scale. Higher values mean greater health risk. The reading for Salem reflects a CAMS forecast model and updates throughout the day. Learn what the AQI number means for your body, read the AQI scale reference, or compare PM2.5 and PM10.

Frequently asked questions about Salem air quality

What is the AQI in Salem today?

The current Air Quality Index in Salem, Tamil Nadu, India is 57 on the 0–500 US AQI scale, which is categorised as moderate. The reading comes from a CAMS forecast model and refreshes throughout the day.

What is the PM2.5 level in Salem right now?

Fine particulate matter (PM2.5) in Salem, Tamil Nadu, India is currently 6.7 µg/m³. The World Health Organization recommends keeping the 24-hour average below 15 µg/m³, so Salem is currently within the WHO guideline.

Is it safe to go outside in Salem today?

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged or heavy outdoor exertion.

What is considered a good AQI level?

An AQI of 0–50 is good, 51–100 is moderate, 101–150 is unhealthy for sensitive groups, 151–200 is unhealthy, 201–300 is very unhealthy, and anything above 300 is hazardous. The scale is the same everywhere, so readings are directly comparable between cities.

How often is the Salem air quality data updated?

Air quality readings for Salem, Tamil Nadu, India refresh throughout the day, and this page is rendered fresh on every visit, so the AQI, pollutant breakdown and 7-day trend always reflect the latest available model output.

Air quality near Salem

Compare Salem with the closest monitored cities — pollution is regional, so neighbouring readings often move together.

Open the live AQI dashboard Compare cities← All cities