Arrah vs Chittoor
Side-by-side air quality comparison between Arrah 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 | Arrah | Chittoor |
|---|---|---|
| PM2.5(µg/m³) | 49.50 | 7.30 |
| PM10(µg/m³) | 75.90 | 14.10 |
| NO₂(µg/m³) | 0.50 | 1.00 |
| SO₂(µg/m³) | 7.50 | 1.40 |
| O₃(µg/m³) | 190.00 | 91.00 |
| CO(µg/m³) | 317.00 | 125.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Arrah averaged an AQI of 123 while Chittoor averaged 76 — a 47-point (62%) gap, with Arrah the more polluted and Chittoor the cleaner of the two. On 437 days when both cities reported, Chittoor was cleaner on 368 of them; the average daily gap was 103 AQI points.
Seasonality & days
Arrah peaks in January, while Chittoor peaks in October. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Chittoor was 0% Severe and 84.9% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Chittoor 37 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Chittoor has worsened by 5 AQI points (7%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Chittoor hit AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Chittoor spans 1 stations with a 0-point spread (min 72, max 72).
Verdict
🏆 Chittoor has better air quality with an AQI of 14 compared to Arrah's 83. That's a significant difference of 69 points.