Bidar vs Puducherry
Side-by-side air quality comparison between Bidar and Puducherry.
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 | Puducherry |
|---|---|---|
| PM2.5(µg/m³) | 18.40 | 12.20 |
| PM10(µg/m³) | 27.50 | 14.50 |
| NO₂(µg/m³) | 10.40 | 18.70 |
| SO₂(µg/m³) | 2.80 | 9.00 |
| O₃(µg/m³) | 59.00 | 33.00 |
| CO(µg/m³) | 208.00 | 402.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bidar averaged an AQI of 85 while Puducherry averaged 55 — a 30-point (55%) gap, with Bidar the more polluted and Puducherry the cleaner of the two. On 746 days when both cities reported, Puducherry was cleaner on 544 of them; the average daily gap was 37 AQI points.
Seasonality & days
Bidar peaks in January, while Puducherry peaks in December. Bidar logged 0.1% Severe days and 72.5% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Bidar 24 days, Puducherry 117 days.
Year-over-year progress
Bidar has worsened by 1 AQI points (1.2%) from 2021 to 2024; Puducherry has worsened by 1 AQI points (1.9%) over the same window. The worst recorded day for Bidar reached AQI 437 at Naubad (KSPCB) on 2022-01-25; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Bidar spans 1 CPCB stations with a 0-point spread (min 84, max 84); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Puducherry has better air quality with an AQI of 20 compared to Bidar's 31.