Bidar vs Tiruchirappalli
Side-by-side air quality comparison between Bidar and Tiruchirappalli.
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 | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 16.50 | 5.40 |
| PM10(µg/m³) | 22.50 | 6.60 |
| NO₂(µg/m³) | 7.30 | 7.20 |
| SO₂(µg/m³) | 2.40 | 3.10 |
| O₃(µg/m³) | 64.00 | 38.00 |
| CO(µg/m³) | 204.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bidar averaged an AQI of 85 while Tiruchirappalli averaged 50 — a 35-point (70%) gap, with Bidar the more polluted and Tiruchirappalli the cleaner of the two. On 58 days when both cities reported, Tiruchirappalli was cleaner on 54 of them; the average daily gap was 49 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; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Bidar 24 days, Tiruchirappalli 46 days.
Year-over-year progress
Bidar has worsened by 1 AQI points (1.2%) from 2021 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Bidar reached AQI 437 at Naubad (KSPCB) on 2022-01-25; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Bidar spans 1 CPCB stations with a 0-point spread (min 84, max 84); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Tiruchirappalli has better air quality with an AQI of 9 compared to Bidar's 28.