Bidar vs Chittoor
Side-by-side air quality comparison between Bidar and Chittoor.
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 | Chittoor |
|---|---|---|
| PM2.5(µg/m³) | 16.50 | 6.10 |
| PM10(µg/m³) | 22.50 | 7.70 |
| NO₂(µg/m³) | 7.30 | 7.30 |
| SO₂(µg/m³) | 2.40 | 3.10 |
| O₃(µg/m³) | 64.00 | 47.00 |
| CO(µg/m³) | 204.00 | 212.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bidar averaged an AQI of 85 while Chittoor averaged 76 — a 9-point (12%) gap, with Bidar the more polluted and Chittoor the cleaner of the two. On 393 days when both cities reported, Chittoor was cleaner on 240 of them; the average daily gap was 29 AQI points.
Seasonality & days
Bidar peaks in January, while Chittoor peaks in October. Bidar logged 0.1% Severe days and 72.5% Good-or-Satisfactory days; Chittoor was 0% Severe and 84.9% Good-or-Satisfactory. Longest clean-air streaks: Bidar 24 days, Chittoor 37 days.
Year-over-year progress
Bidar has worsened by 1 AQI points (1.2%) from 2021 to 2024; Chittoor has worsened by 5 AQI points (7%) over the same window. The worst recorded day for Bidar reached AQI 437 at Naubad (KSPCB) on 2022-01-25; Chittoor hit AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13.
Station-level disparity
Bidar spans 1 CPCB stations with a 0-point spread (min 84, max 84); Chittoor spans 1 stations with a 0-point spread (min 72, max 72).
Verdict
🏆 Chittoor has better air quality with an AQI of 10 compared to Bidar's 28.