Mahād vs Salem
Side-by-side air quality comparison between Mahād and Salem.
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 | Mahād | Salem |
|---|---|---|
| PM2.5(µg/m³) | 14.50 | 12.70 |
| PM10(µg/m³) | 32.00 | 15.90 |
| NO₂(µg/m³) | 9.40 | 17.00 |
| SO₂(µg/m³) | 2.60 | 7.00 |
| O₃(µg/m³) | 27.00 | 30.00 |
| CO(µg/m³) | 144.00 | 237.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Mahād averaged an AQI of 90 while Salem averaged 68 — a 22-point (32%) gap, with Mahād the more polluted and Salem the cleaner of the two. On 245 days when both cities reported, Salem was cleaner on 165 of them; the average daily gap was 37 AQI points.
Seasonality & days
Mahād peaks in November, while Salem peaks in April. Mahād logged 0% Severe days and 63.699999999999996% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Mahād 49 days, Salem 17 days.
Year-over-year progress
Mahād has worsened by 6 AQI points (7.1%) from 2023 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Mahād reached AQI 242 at Kamble Tarf Birwadi (MPCB) on 2023-11-19; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Mahād spans 1 CPCB stations with a 0-point spread (min 88, max 88); Salem spans 1 stations with a 0-point spread (min 73, max 73).
Verdict
🏆 Salem has better air quality with an AQI of 21 compared to Mahād's 32.