Pimpri-Chinchwad vs Salem
Side-by-side air quality comparison between Pimpri-Chinchwad 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 | Pimpri-Chinchwad | Salem |
|---|---|---|
| PM2.5(µg/m³) | 18.50 | 7.10 |
| PM10(µg/m³) | 42.40 | 8.30 |
| NO₂(µg/m³) | 1.20 | 1.90 |
| SO₂(µg/m³) | 4.60 | 6.20 |
| O₃(µg/m³) | 104.00 | 116.00 |
| CO(µg/m³) | 124.00 | 164.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Pimpri-Chinchwad averaged an AQI of 114 while Salem averaged 68 — a 46-point (68%) gap, with Pimpri-Chinchwad the more polluted and Salem the cleaner of the two. On 151 days when both cities reported, Salem was cleaner on 132 of them; the average daily gap was 78 AQI points.
Seasonality & days
Pimpri-Chinchwad peaks in November, while Salem peaks in April. Pimpri-Chinchwad logged 0% Severe days and 42% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Pimpri-Chinchwad 82 days, Salem 17 days.
Year-over-year progress
The worst recorded day for Pimpri-Chinchwad reached AQI 341 at Thergaon Pimpri (MPCB) on 2024-11-23; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Pimpri-Chinchwad spans 4 CPCB stations with a 20-point spread (min 107, max 127); Salem spans 1 stations with a 0-point spread (min 73, max 73).
Verdict
🏆 Salem has better air quality with an AQI of 12 compared to Pimpri-Chinchwad's 42.