Kolkata AQI
Current Location
Sector 129, Noida, Uttar Pradesh
Hazardous
374
PM1.0: 156 µg/m³
PM2.5: 218 µg/m³
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Good0 - 50
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Moderate51 - 100
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Poor101 - 150
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Unhealthy151 - 200
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Severe201 - 300
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Hazardous300+
Last 7 Days AQI
Min. 146.14
On Dec 03 at 6:30 AM
Max. 247.29
On Dec 04 at 5:00 AM
Major Air Pollutants
Particulate Matter (PM2.5)
218 µg/M³
Particulate Matter (PM10)
156µg/M³
Carbon Monoxide (CO)
80.43ppb
Sulfur Dioxide (SO2)
14.57 Mb
Nitrogen Dioxide (NO2)
52ppb
Ozone (O3)
18.29ppb
Kolkata Air Quality Index (AQI) Today
The Air Quality Index (AQI) in Kolkata is 374, which means the air quality is Hazardous right now. The main pollutant today is PM10: 156, PM25: 218, NO2: 52, SO2: 14.57, O3: 18.29, CO: 80.43. If the AQI is above 100, sensitive groups like children or people with breathing issues should be careful and limit outdoor time. The AQI is regularly updated using real-time data from local monitoring stations, so you can always check the latest status for Kolkata. If the AQI is “Poor” or higher, it’s best to reduce outdoor activities and use a mask if stepping out.
Most Polluted Cities
All Cities
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CityStatusAQIPM10PM25
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AgraPoor14111389
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AhmedabadPoor14211493
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AjmerPoor11112190
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AmaravatiUnhealthy200149215
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AmbalaUnhealthy200137207
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AmritsarPoor12681100
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AsansolSevere219121194
-
BallabgarhHazardous314220278
-
BareillyPoor11911889
-
BengaluruSevere2109769
-
BhiwaniSevere273133266
-
BhopalHazardous353170205
-
BhubaneswarHazardous364173204
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BulandshahrSevere240187227
-
ChandigarhHazardous304121193
-
ChennaiUnhealthy1749877
-
ChittoorUnhealthy186118177
-
CoimbatoreUnhealthy175108190
-
CuttackSevere207165187
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DarbhangaUnhealthy15850114
-
DehradunSevere201106192
-
DelhiHazardous362229307
-
DhanbadUnhealthy166114133
-
FaridabadHazardous379146194
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Gandhi NagarPoor14662112
-
GayaPoor14780118
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GhaziabadHazardous383251317
-
Greater NoidaHazardous368244290
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GurgaonHazardous343136224
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GuwahatiSevere218114131
-
GwaliorSevere208132166
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HisarPoor13013061
-
HyderabadSevere2647777
-
IndorePoor1347178
-
JabalpurPoor129117128
-
JaipurSevere210166193
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JalandharPoor145133132
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JodhpurPoor11411792
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KanpurHazardous36195105
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KarnalSevere224133232
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KolkataHazardous381158215
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KotaUnhealthy195139192
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KurukshetraUnhealthy189153191
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LucknowHazardous400151190
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LudhianaPoor115126132
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MandideepSevere232201206
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ManesarSevere243144251
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MeerutHazardous375235262
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MoradabadUnhealthy176156177
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MumbaiSevere23910589
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MuzaffarnagarSevere237140246
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MuzaffarpurPoor11854116
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NagpurPoor146110104
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NashikUnhealthy167109105
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NoidaHazardous367245317
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PalwalPoor104110105
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PanchkulaPoor1250124
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PanipatSevere228171192
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PatialaPoor12913079
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PatnaHazardous580111151
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PithampurPoor120122141
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PrayagrajPoor126114124
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PuducherryModerate9988111
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PuneHazardous321141155
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RaipurPoor1069781
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Sawai MadhopurUnhealthy154160128
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SuratUnhealthy17012544
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ThiruvananthapuramModerate566579
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UdaipurPoor109110105
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UjjainPoor13279124
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VaranasiHazardous37310687
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VijayawadaModerate616347
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VisakhapatnamUnhealthy168144190
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KaithalPoor10810992
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BahadurgarhSevere213158232
Kolkata AQI FAQs
What is AQI for Kolkata today?
The Air Quality Index (AQI) in Kolkata today is 374, which falls under the Hazardous
What does this AQI mean for health in Kolkata?
An AQI of 374 means that the air is Hazardous. If it is Good or Satisfactory, normal outdoor activity is fine. For Moderate or higher, sensitive groups (children, elderly, people with heart/lung disease) should be cautious or limit outdoor time.
Which pollutant is highest today in Kolkata?
Today, the most prominent pollutant in Kolkata is PM10: 156, PM25: 218, NO2: 52, SO2: 14.57, O3: 18.29, CO: 80.43. This pollutant is the main reason for the AQI rating.
How often is the AQI updated for Kolkata?
The AQI for Kolkata is updated regularly—usually hourly or daily—by local monitoring stations. Data is provided in real time on official websites.
Where can I see detailed AQI history for Kolkata?
Visit government sites like CPCB, or trusted live AQI websites for Kolkata to view real-time and historical air quality data.
How does Kolkata compare to other Indian cities today?
You can see city rankings and compare Kolkata's AQI with other cities using real-time lists available on our site.
