Akola vs Kolkata
Side-by-side air quality comparison between Akola and Kolkata.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Akola | Kolkata |
|---|---|---|
| PM2.5(µg/m³) | 22.80 | 64.70 |
| PM10(µg/m³) | 32.80 | 69.40 |
| NO₂(µg/m³) | 7.20 | 18.10 |
| SO₂(µg/m³) | 12.70 | 13.10 |
| O₃(µg/m³) | 76.00 | 86.00 |
| CO(µg/m³) | 172.00 | 428.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Akola averaged an AQI of 87 while Kolkata averaged 101 — a 14-point (16%) gap, with Kolkata the more polluted and Akola the cleaner of the two. On 365 days when both cities reported, Akola was cleaner on 277 of them; the average daily gap was 50 AQI points.
Seasonality & days
Akola peaks in November, while Kolkata peaks in January. Akola logged 0% Severe days and 59.2% Good-or-Satisfactory days; Kolkata was 1% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Akola 129 days, Kolkata 75 days.
Year-over-year progress
Akola has improved by 16 AQI points (15.5%) from 2023 to 2024; Kolkata has improved by 76 AQI points (42.9%) over the same window. The worst recorded day for Akola reached AQI 330 at Ramdaspeth (MPCB) on 2023-11-04; Kolkata hit AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23.
Station-level disparity
Akola spans 1 CPCB stations with a 0-point spread (min 93, max 93); Kolkata spans 7 stations with a 56-point spread (min 95, max 151).
Verdict
🏆 Akola has better air quality with an AQI of 38 compared to Kolkata's 117. That's a significant difference of 79 points.