Pimpri-Chinchwad vs Shillong
Side-by-side air quality comparison between Pimpri-Chinchwad 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 | Pimpri-Chinchwad | Shillong |
|---|---|---|
| PM2.5(µg/m³) | 16.10 | 17.90 |
| PM10(µg/m³) | 34.70 | 21.40 |
| NO₂(µg/m³) | 9.60 | 3.10 |
| SO₂(µg/m³) | 8.00 | 6.20 |
| O₃(µg/m³) | 35.00 | 118.00 |
| CO(µg/m³) | 137.00 | 304.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Pimpri-Chinchwad averaged an AQI of 114 while Shillong averaged 75 — a 39-point (52%) gap, with Pimpri-Chinchwad the more polluted and Shillong the cleaner of the two. On 195 days when both cities reported, Shillong was cleaner on 179 of them; the average daily gap was 86 AQI points.
Seasonality & days
Pimpri-Chinchwad peaks in November, while Shillong peaks in February. Pimpri-Chinchwad logged 0% Severe days and 42% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Pimpri-Chinchwad 82 days, Shillong 113 days.
Year-over-year progress
The worst recorded day for Pimpri-Chinchwad reached AQI 341 at Thergaon Pimpri (MPCB) on 2024-11-23; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Pimpri-Chinchwad spans 4 CPCB stations with a 20-point spread (min 107, max 127); 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 Pimpri-Chinchwad's 35.