Chittoor vs Kalyān
Side-by-side air quality comparison between Chittoor and Kalyān.
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 | Chittoor | Kalyān |
|---|---|---|
| PM2.5(µg/m³) | 6.10 | 23.70 |
| PM10(µg/m³) | 7.70 | 40.90 |
| NO₂(µg/m³) | 7.30 | 20.60 |
| SO₂(µg/m³) | 3.10 | 23.00 |
| O₃(µg/m³) | 47.00 | 23.00 |
| CO(µg/m³) | 212.00 | 186.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chittoor averaged an AQI of 76 while Kalyān averaged 95 — a 19-point (25%) gap, with Kalyān the more polluted and Chittoor the cleaner of the two. On 275 days when both cities reported, Chittoor was cleaner on 199 of them; the average daily gap was 50 AQI points.
Seasonality & days
Chittoor peaks in October, while Kalyān peaks in January. Chittoor logged 0% Severe days and 84.9% Good-or-Satisfactory days; Kalyān was 0.1% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Chittoor 37 days, Kalyān 78 days.
Year-over-year progress
Chittoor has worsened by 5 AQI points (7%) from 2022 to 2024; Kalyān has improved by 4 AQI points (4%) over the same window. The worst recorded day for Chittoor reached AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13; Kalyān hit AQI 414 at Khadakpada (MPCB) on 2022-01-24.
Station-level disparity
Chittoor spans 1 CPCB stations with a 0-point spread (min 72, max 72); Kalyān spans 2 stations with a 18-point spread (min 98, max 116).
Verdict
🏆 Chittoor has better air quality with an AQI of 10 compared to Kalyān's 41.