Bhiwandi vs Salem
Side-by-side air quality comparison between Bhiwandi 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 | Bhiwandi | Salem |
|---|---|---|
| PM2.5(µg/m³) | 22.10 | 12.70 |
| PM10(µg/m³) | 40.40 | 15.90 |
| NO₂(µg/m³) | 23.10 | 17.00 |
| SO₂(µg/m³) | 21.70 | 7.00 |
| O₃(µg/m³) | 19.00 | 30.00 |
| CO(µg/m³) | 153.00 | 237.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhiwandi averaged an AQI of 108 while Salem averaged 68 — a 40-point (59%) gap, with Bhiwandi the more polluted and Salem the cleaner of the two. On 222 days when both cities reported, Salem was cleaner on 170 of them; the average daily gap was 53 AQI points.
Seasonality & days
Bhiwandi peaks in November, while Salem peaks in April. Bhiwandi logged 0% Severe days and 52.9% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Bhiwandi 52 days, Salem 17 days.
Year-over-year progress
Bhiwandi has worsened by 6 AQI points (5.9%) from 2023 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Bhiwandi reached AQI 270 at Gokul Nagar (MPCB) on 2024-05-14; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Bhiwandi spans 1 CPCB stations with a 0-point spread (min 106, max 106); 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 Bhiwandi's 40.