Chittoor vs Purnia
Side-by-side air quality comparison between Chittoor and Purnia.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chittoor averaged an AQI of 76 while Purnia averaged 133 — a 57-point (75%) gap, with Purnia the more polluted and Chittoor the cleaner of the two. On 442 days when both cities reported, Chittoor was cleaner on 388 of them; the average daily gap was 105 AQI points.
Seasonality & days
Chittoor peaks in October, while Purnia peaks in January. Chittoor logged 0% Severe days and 84.9% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Chittoor 37 days, Purnia 14 days.
Year-over-year progress
Chittoor has worsened by 5 AQI points (7%) from 2022 to 2024; Purnia has improved by 163 AQI points (55.1%) over the same window. The worst recorded day for Chittoor reached AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Chittoor spans 1 CPCB stations with a 0-point spread (min 72, max 72); Purnia spans 1 stations with a 0-point spread (min 176, max 176).