Bidar vs Ramanathapuram
Side-by-side air quality comparison between Bidar and Ramanathapuram.
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 | Bidar | Ramanathapuram |
|---|---|---|
| PM2.5(µg/m³) | 16.50 | 5.60 |
| PM10(µg/m³) | 22.50 | 8.30 |
| NO₂(µg/m³) | 7.30 | 4.20 |
| SO₂(µg/m³) | 2.40 | 4.00 |
| O₃(µg/m³) | 64.00 | 31.00 |
| CO(µg/m³) | 204.00 | 143.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bidar averaged an AQI of 85 while Ramanathapuram averaged 42 — a 43-point (102%) gap, with Bidar the more polluted and Ramanathapuram the cleaner of the two. On 444 days when both cities reported, Ramanathapuram was cleaner on 372 of them; the average daily gap was 43 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Bidar logged 0.1% Severe days and 72.5% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Bidar 24 days, Ramanathapuram 46 days.
Year-over-year progress
Bidar has worsened by 1 AQI points (1.2%) from 2021 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Bidar reached AQI 437 at Naubad (KSPCB) on 2022-01-25; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Bidar spans 1 CPCB stations with a 0-point spread (min 84, max 84); Ramanathapuram spans 1 stations with a 0-point spread (min 48, max 48).
Verdict
🏆 Ramanathapuram has better air quality with an AQI of 9 compared to Bidar's 28.