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Bathinda vs Salem

Side-by-side air quality comparison between Bathinda and Salem.

Cleaner right now: Salem (64-pt gap)Historical head-to-head: Salem cleaner 264/349 daysYoY 20182024: Bathinda -2.9% · Salem -6.8%

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

Bathinda

Punjab, India

Satisfactory

PM2.5: 52.3 µg/m³

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VS
🏆 Cleaner

Salem

Tamil Nadu, India

Good

PM2.5: 13.7 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantBathindaSalem
PM2.5(µg/m³)52.3013.70
PM10(µg/m³)81.7016.40
NO₂(µg/m³)24.2015.30
SO₂(µg/m³)10.009.30
O₃(µg/m³)75.0037.00
CO(µg/m³)360.00240.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Bathinda averaged an AQI of 102 while Salem averaged 68 — a 34-point (50%) gap, with Bathinda the more polluted and Salem the cleaner of the two. On 349 days when both cities reported, Salem was cleaner on 264 of them; the average daily gap was 61 AQI points.

Seasonality & days

Bathinda peaks in November, while Salem peaks in April. Bathinda logged 0.1% Severe days and 53.9% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Bathinda 54 days, Salem 17 days.

Year-over-year progress

Bathinda has improved by 3 AQI points (2.9%) from 2018 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Bathinda reached AQI 405 at Hardev Nagar (PPCB) on 2018-06-16; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.

Station-level disparity

Bathinda spans 1 CPCB stations with a 0-point spread (min 108, max 108); Salem spans 1 stations with a 0-point spread (min 73, max 73).

Verdict

🏆 Salem has better air quality with an AQI of 23 compared to Bathinda's 87. That's a significant difference of 64 points.

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