Ee Block, Kolkata, West Bengal, India Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Ee Block, Kolkata, West Bengal, India
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 81 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Ee Block, Kolkata, West Bengal, India
5 AM4th Oct 2025
5 PM
4 AM5th Oct 2025
109AQI
70AQI
92AQI
76AQI
In the last 24 hours,
Ee Block's AQI reached its highest point of 109 at 5 PM during the Day, while the lowest point, undefined, was recorded at 4 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Ee Block, Kolkata, West Bengal, India
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30°C27/35°C
30°C26/34°C
26°C25/27°C
27°C25/29°C
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82AQI
54AQI
84AQI
52AQI
2025 Days Vs Air Quality
Ee Block, Kolkata, West Bengal, India
20%
1
60%
3
20%
1
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 20%
Health Risk Level:
Very high
In 2025, 20% of 278 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Ee Block, Kolkata, West Bengal, India
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
105AQI
67AQI
38AQI
64AQI
81AQI
105AQI
63AQI
No. of days
202571AQI
Highest AQI recorded in
September105AQI
Lowest AQI recorded in
October63AQI
Most & Least Polluted Years Over the Last 1 Years
Ee Block's annual 2025 AQI (71) shows an average percentage change of NaN% (improved AQI) compared to previous years: .