Maihar vs Shillong
Side-by-side air quality comparison between Maihar 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 | Maihar | Shillong |
|---|---|---|
| PM2.5(µg/m³) | 33.30 | 17.90 |
| PM10(µg/m³) | 49.70 | 21.40 |
| NO₂(µg/m³) | 16.50 | 3.10 |
| SO₂(µg/m³) | 10.40 | 6.20 |
| O₃(µg/m³) | 64.00 | 118.00 |
| CO(µg/m³) | 320.00 | 304.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Maihar averaged an AQI of 59 while Shillong averaged 75 — a 16-point (27%) gap, with Shillong the more polluted and Maihar the cleaner of the two. On 687 days when both cities reported, Shillong was cleaner on 435 of them; the average daily gap was 32 AQI points.
Seasonality & days
Maihar peaks in December, while Shillong peaks in February. Maihar logged 0% Severe days and 94.4% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Maihar 72 days, Shillong 113 days.
Year-over-year progress
Maihar has improved by 9 AQI points (13.2%) from 2019 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Maihar reached AQI 262 at Sahilara Maihar (Cements) on 2022-08-25; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Maihar spans 1 CPCB stations with a 0-point spread (min 56, max 56); 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 Maihar's 56.