Raipur vs Shillong
Side-by-side air quality comparison between Raipur 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 | Raipur | Shillong |
|---|---|---|
| CO(ppb) | 593.11 | 292.00 |
| NO2(ppb) | 16.22 | 1.20 |
| O3(ppb) | 6.14 | 143.00 |
| PM10(µg/m³) | 56.81 | 29.30 |
| PM2.5(µg/m³) | 22.53 | 24.90 |
| SO2(ppb) | 1.92 | 4.00 |
| NH3(ppb) | 13.35 | — |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Raipur averaged an AQI of 74 while Shillong averaged 75 — a 1-point (1%) gap, with Shillong the more polluted and Raipur the cleaner of the two. On 202 days when both cities reported, Shillong was cleaner on 139 of them; the average daily gap was 49 AQI points.
Seasonality & days
Raipur peaks in November, while Shillong peaks in February. Raipur logged 0% Severe days and 54.3% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Raipur 70 days, Shillong 113 days.
Year-over-year progress
Raipur has improved by 64 AQI points (46.4%) from 2022 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Raipur reached AQI 226 at AIIMS (CECB) on 2023-12-26; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Raipur spans 4 CPCB stations with a 42-point spread (min 63, max 105); Shillong spans 2 stations with a 2-point spread (min 42, max 44).
Verdict
🏆 Shillong has better air quality with an AQI of 42 compared to Raipur's 58.