Cuttack vs Shillong
Side-by-side air quality comparison between Cuttack and Shillong.
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 | Cuttack | Shillong |
|---|---|---|
| PM2.5(µg/m³) | 33.90 | 20.40 |
| PM10(µg/m³) | 36.60 | 23.70 |
| NO₂(µg/m³) | 14.60 | 4.20 |
| SO₂(µg/m³) | 8.30 | 5.70 |
| O₃(µg/m³) | 65.00 | 99.00 |
| CO(µg/m³) | 478.00 | 305.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Cuttack averaged an AQI of 112 while Shillong averaged 75 — a 37-point (49%) gap, with Cuttack the more polluted and Shillong the cleaner of the two. On 190 days when both cities reported, Shillong was cleaner on 134 of them; the average daily gap was 73 AQI points.
Seasonality & days
Cuttack peaks in January, while Shillong peaks in February. Cuttack logged 0% Severe days and 52.5% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Cuttack 29 days, Shillong 113 days.
Year-over-year progress
Cuttack has improved by 89 AQI points (44.3%) from 2023 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Cuttack reached AQI 355 at CDA Area (OSPCB) on 2023-11-13; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Cuttack spans 1 CPCB stations with a 0-point spread (min 125, max 125); Shillong spans 2 stations with a 2-point spread (min 42, max 44).
Verdict
🏆 Shillong has better air quality with an AQI of 34 compared to Cuttack's 57.