Nayāgarh vs Salem
Side-by-side air quality comparison between Nayāgarh 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 | Nayāgarh | Salem |
|---|---|---|
| PM2.5(µg/m³) | 43.90 | 13.70 |
| PM10(µg/m³) | 48.80 | 16.40 |
| NO₂(µg/m³) | 10.80 | 15.30 |
| SO₂(µg/m³) | 8.30 | 9.30 |
| O₃(µg/m³) | 79.00 | 37.00 |
| CO(µg/m³) | 439.00 | 240.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nayāgarh averaged an AQI of 98 while Salem averaged 68 — a 30-point (44%) gap, with Nayāgarh the more polluted and Salem the cleaner of the two. On 318 days when both cities reported, Salem was cleaner on 228 of them; the average daily gap was 59 AQI points.
Seasonality & days
Both cities see their worst air in April on average. Nayāgarh logged 0% Severe days and 47.400000000000006% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Nayāgarh 52 days, Salem 17 days.
Year-over-year progress
Nayāgarh has improved by 48 AQI points (32.9%) from 2022 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Nayāgarh reached AQI 336 at Dabuna (OSPCB) on 2023-03-13; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Nayāgarh spans 1 CPCB stations with a 0-point spread (min 116, max 116); 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 Nayāgarh's 74. That's a significant difference of 51 points.