Nayāgarh vs Shillong
Side-by-side air quality comparison between Nayāgarh 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 | Nayāgarh | Shillong |
|---|---|---|
| PM2.5(µg/m³) | 43.90 | 17.90 |
| PM10(µg/m³) | 48.80 | 21.40 |
| NO₂(µg/m³) | 10.80 | 3.10 |
| SO₂(µg/m³) | 8.30 | 6.20 |
| O₃(µg/m³) | 79.00 | 118.00 |
| CO(µg/m³) | 439.00 | 304.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nayāgarh averaged an AQI of 98 while Shillong averaged 75 — a 23-point (31%) gap, with Nayāgarh the more polluted and Shillong the cleaner of the two. On 184 days when both cities reported, Shillong was cleaner on 149 of them; the average daily gap was 61 AQI points.
Seasonality & days
Nayāgarh peaks in April, while Shillong peaks in February. Nayāgarh logged 0% Severe days and 47.400000000000006% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Nayāgarh 52 days, Shillong 113 days.
Year-over-year progress
Nayāgarh has improved by 48 AQI points (32.9%) from 2022 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Nayāgarh reached AQI 336 at Dabuna (OSPCB) on 2023-03-13; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Nayāgarh spans 1 CPCB stations with a 0-point spread (min 116, max 116); Shillong spans 2 stations with a 2-point spread (min 42, max 44).
Verdict
🏆 Shillong has better air quality with an AQI of 30 compared to Nayāgarh's 74.