Bhilwara vs Salem
Side-by-side air quality comparison between Bhilwara 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 | Bhilwara | Salem |
|---|---|---|
| PM2.5(µg/m³) | 21.40 | 12.70 |
| PM10(µg/m³) | 35.40 | 15.90 |
| NO₂(µg/m³) | 8.30 | 17.00 |
| SO₂(µg/m³) | 5.70 | 7.00 |
| O₃(µg/m³) | 51.00 | 30.00 |
| CO(µg/m³) | 150.00 | 237.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhilwara averaged an AQI of 98 while Salem averaged 68 — a 30-point (44%) gap, with Bhilwara the more polluted and Salem the cleaner of the two. On 238 days when both cities reported, Salem was cleaner on 180 of them; the average daily gap was 56 AQI points.
Seasonality & days
Bhilwara peaks in December, while Salem peaks in April. Bhilwara logged 0% Severe days and 54.900000000000006% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Bhilwara 35 days, Salem 17 days.
Year-over-year progress
Bhilwara has improved by 37 AQI points (27.4%) from 2023 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Bhilwara reached AQI 331 at Pratap Nagar (RSPCB) on 2023-12-27; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Bhilwara spans 1 CPCB stations with a 0-point spread (min 111, max 111); 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 Bhilwara's 36.