CPCB

Chengalpattu district Air Quality Index & Realtime Air Pollution

Lat: 12.6831 · Lon: 79.9770
Elevation: m · Offset: 19800s
AQI Score & Core Metrics
74
Moderate(US-AQI standard)
050100150200300500
Good (0-50)Moderate (51-100)Poor (101-150)Unhealthy (151-200)Severe (201-300)Hazardous (301+)
PM2.529.5 µg/m³
PM1046.8 µg/m³
Weather & Climate Summary

Current Conditions

35°C

Humidity: 55%

UV Index0.3
Wind Speed1.6 km/h

Primary Air Pollutants Chengalpattu district (Tamil Nadu)

PollutantConcentrationDetails
PM2.530 µg/m³Fine particles
PM1047 µg/m³Coarse particles
SO₂6 µg/m³Sulphur dioxide
CO239 µg/m³Carbon monoxide
NO₂25 µg/m³Nitrogen dioxide
O₃102 µg/m³Ozone

Hourly forecast Chengalpattu district (Tamil Nadu)

TimeTempCondition
Now35°COvercastOvercast
18:0033°COvercastOvercast
19:0031°COvercastOvercast
20:0030°COvercastOvercast
21:0029°COvercastOvercast
22:0029°COvercastOvercast
23:0029°COvercastOvercast
00:0029°COvercastOvercast
01:0029°COvercastOvercast
02:0029°COvercastOvercast
03:0028°COvercastOvercast
04:0028°COvercastOvercast
05:0028°COvercastOvercast
06:0028°COvercastOvercast
07:0029°COvercastOvercast
08:0030°COvercastOvercast
09:0032°COvercastOvercast
10:0033°COvercastOvercast
11:0034°COvercastOvercast
12:0034°COvercastOvercast
13:0035°COvercastOvercast
14:0036°COvercastOvercast
15:0035°COvercastOvercast
16:0035°COvercastOvercast

Health Recommendations

Based on current air quality: Moderate · AQI 74

Moderate
  • Air PurifierTurn On
  • Car FilterMust
  • N95 MaskMust
  • Stay IndoorMust
Outdoor Activity Guidelines

Air quality is acceptable; however, there may be a minor concern for a very small number of individuals who are unusually sensitive to air pollution. Sensitive groups should monitor for symptoms and limit heavy outdoor exertion.

Standard: US EPA AQI ScaleUpdated: Live
Cigarette Equivalent

1.3 per day

Equates to breathing local air

Weekly Exposure

9.1 cigarettes

Monthly Exposure

39 cigarettes

Risk Assessments

Prevent Health Problems

Mild RiskHeadaches

Risk is Mild for Moderate conditions (AQI 74).

Common Symptoms

Typical signs can include: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.

Do's
  • Choose indoor, clean indoor air when the AQI is elevated.
  • Stay hydrated and take short breaks from devices or harsh light if you are migraine-prone.
  • If you Make use of prescribed migraine meds, Keep close them accessible.
Don'ts
  • Try not to do intense outdoor exercise during worse AQI periods.
  • Don’t ignore worsening symptoms that feel unusual for you.
AQI Graph

Historical AQI Data Chengalpattu district (Tamil Nadu)

68
Min. AQIat 1:00 PM on 13th Jul
75
Max. AQIat 3:00 AM on 14th Jul
13-07-2026Time14-07-2026

Chengalpattu district's Nearby Cities

CityExplore
ChennaiTamil NaduView
ThiruvallurTamil NaduView
Ranipet DistrictTamil NaduView
VelloreTamil NaduView
Tiruvannamalai DistrictTamil NaduView
Viluppuram DistrictTamil NaduView
CuddaloreTamil NaduView
Tirupattur DistrictTamil NaduView
Kallakurichi DistrictTamil NaduView
PerambalurTamil NaduView
NagapattinamTamil NaduView
ThiruvarurTamil NaduView
SalemTamil NaduView
ThanjavurTamil NaduView
TiruchirappalliTamil NaduView
Namakkal DistrictTamil NaduView
KarurTamil NaduView
PudukkottaiTamil NaduView
ErodeTamil NaduView
DindigulTamil NaduView
Tiruppur DistrictTamil NaduView
SivagangaTamil NaduView
MaduraiTamil NaduView
CoimbatoreTamil NaduView
Ramnad DistrictTamil NaduView
TheniTamil NaduView
VirudhunagarTamil NaduView
TuticorinTamil NaduView
TirunelveliTamil NaduView
Tenkasi districtTamil NaduView
KanniyakumariTamil NaduView

Air Quality FAQs at Chengalpattu district, Tamil Nadu

The current real-time AQI (US) level in Chengalpattu district, Tamil Nadu is 74 (Moderate). This was last updated recently.

The best AQI (US) level was generally lower during the early afternoon in the last 24 hours.

The worst AQI (US) level typically peaks during early morning or late evening hours due to temperature inversion.

The AQI (US) levels in Chengalpattu district, Tamil Nadu have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.

Current AQI (US) levels are moderate for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.