Amritsar vs Shillong
Side-by-side air quality comparison between Amritsar 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 | Amritsar | Shillong |
|---|---|---|
| PM2.5(µg/m³) | 68.50 | 18.30 |
| PM10(µg/m³) | 84.10 | 21.80 |
| NO₂(µg/m³) | 30.40 | 3.60 |
| SO₂(µg/m³) | 6.70 | 6.20 |
| O₃(µg/m³) | 41.00 | 109.00 |
| CO(µg/m³) | 756.00 | 309.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Amritsar averaged an AQI of 124 while Shillong averaged 75 — a 49-point (65%) gap, with Amritsar the more polluted and Shillong the cleaner of the two. On 943 days when both cities reported, Shillong was cleaner on 852 of them; the average daily gap was 75 AQI points.
Seasonality & days
Amritsar peaks in November, while Shillong peaks in February. Amritsar logged 0.2% Severe days and 47.2% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Amritsar 40 days, Shillong 113 days.
Year-over-year progress
Amritsar has improved by 40 AQI points (24.4%) from 2017 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Amritsar reached AQI 459 at Golden Temple (PPCB) on 2018-06-14; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Amritsar spans 1 CPCB stations with a 0-point spread (min 119, max 119); Shillong spans 2 stations with a 2-point spread (min 42, max 44).
Verdict
🏆 Shillong has better air quality with an AQI of 31 compared to Amritsar's 129. That's a significant difference of 98 points.