Chapra vs Lucknow
Side-by-side air quality comparison between Chapra and Lucknow.
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 | Chapra | Lucknow |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 107.30 |
| PM10(µg/m³) | 115.50 | 189.50 |
| NO₂(µg/m³) | 53.70 | 83.80 |
| SO₂(µg/m³) | 13.70 | 28.40 |
| O₃(µg/m³) | 10.00 | 0.00 |
| CO(µg/m³) | 858.00 | 474.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Lucknow averaged 127 — a 22-point (17%) gap, with Chapra the more polluted and Lucknow the cleaner of the two. On 642 days when both cities reported, Chapra was cleaner on 335 of them; the average daily gap was 69 AQI points.
Seasonality & days
Chapra peaks in January, while Lucknow peaks in November. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Lucknow was 6.6% Severe and 19.4% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Lucknow 45 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Lucknow has improved by 89 AQI points (41.2%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Lucknow hit AQI 500 at Lalbagh (CPCB) on 2017-11-09.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Lucknow spans 7 stations with a 119-point spread (min 97, max 216).
Verdict
🏆 Chapra has better air quality with an AQI of 231 compared to Lucknow's 258.