Hyderabad vs Tālcher
Side-by-side air quality comparison between Hyderabad and Tālcher.
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 | Hyderabad | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 20.50 | 70.50 |
| PM10(µg/m³) | 27.90 | 76.80 |
| NO₂(µg/m³) | 10.40 | 25.10 |
| SO₂(µg/m³) | 5.30 | 6.60 |
| O₃(µg/m³) | 63.00 | 26.00 |
| CO(µg/m³) | 281.00 | 517.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hyderabad averaged an AQI of 78 while Tālcher averaged 127 — a 49-point (63%) gap, with Tālcher the more polluted and Hyderabad the cleaner of the two. On 1361 days when both cities reported, Hyderabad was cleaner on 725 of them; the average daily gap was 55 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Hyderabad logged 0.2% Severe days and 41.6% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Hyderabad 71 days, Tālcher 44 days.
Year-over-year progress
Hyderabad has improved by 24 AQI points (23.5%) from 2016 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Hyderabad reached AQI 500 at Sanathnagar (TSPCB) on 2024-04-28; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Hyderabad spans 14 CPCB stations with a 35-point spread (min 62, max 97); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Hyderabad has better air quality with an AQI of 34 compared to Tālcher's 136. That's a significant difference of 102 points.