Bāghpat vs Salem
Side-by-side air quality comparison between Bāghpat 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 | Bāghpat | Salem |
|---|---|---|
| PM2.5(µg/m³) | 78.20 | 12.70 |
| PM10(µg/m³) | 154.10 | 15.90 |
| NO₂(µg/m³) | 47.90 | 17.00 |
| SO₂(µg/m³) | 33.40 | 7.00 |
| O₃(µg/m³) | 43.00 | 30.00 |
| CO(µg/m³) | 611.00 | 237.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bāghpat averaged an AQI of 141 while Salem averaged 68 — a 73-point (107%) gap, with Bāghpat the more polluted and Salem the cleaner of the two. On 192 days when both cities reported, Salem was cleaner on 175 of them; the average daily gap was 98 AQI points.
Seasonality & days
Bāghpat peaks in November, while Salem peaks in April. Bāghpat logged 3.3% Severe days and 26.200000000000003% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Bāghpat 46 days, Salem 17 days.
Year-over-year progress
Bāghpat has improved by 99 AQI points (41.2%) from 2018 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Bāghpat reached AQI 500 at New Collectorate (UPPCB) on 2018-07-28; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Bāghpat spans 2 CPCB stations with a 66-point spread (min 148, max 214); 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 Bāghpat's 161. That's a significant difference of 140 points.