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#climatedata — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #climatedata, aggregated by home.social.

  1. Reality check: modeled PM2.5 vs real ground monitors in 73 of 103 cities. 38 agree within ~35%; typical gap 8 µg/m³. Biggest miss: Beijing (model 274, monitors 6). Cities without nearby monitors are model estimates only.

  2. Oceania: worst Sydney (AQI 58, Moderate); cleanest Christchurch (18). Cells are coloured by US EPA-style bands.
    Data: Open-Meteo.com / CAMS (Copernicus), CC BY 4.0

  3. Asia: worst Faisalabad (AQI 291, Very unhealthy); cleanest Novosibirsk (22). Cells are coloured by US EPA-style bands.

  4. Europe, Middle East & Africa: worst Riyadh (AQI 344, Hazardous); cleanest Madrid (19). Cells are coloured by US EPA-style bands.

  5. North America: worst Chicago IL (AQI 78, Moderate); cleanest Saskatoon (13). Cells are coloured by US EPA-style bands.

  6. Global air quality, 2026-11-11 12:00 UTC (103 cities; CAMS via Open-Meteo)
    Worst: Riyadh 344, Faisalabad 291, Lahore 254
    Cleanest: Saskatoon 13, Christchurch 18
    Biggest rise since last check: Tehran +69

  7. Satellite view: Tropospheric nitrogen dioxide (NO₂) over East China. Sentinel-5P TROPOMI, latest passes in the last 48 h. Bright orange/red = high concentrations (traffic, industry, power plants, fires).
    Contains modified Copernicus Sentinel data.

  8. Reality check: modeled PM2.5 vs real ground monitors in 74 of 103 cities. 34 agree within ~35%; typical gap 8 µg/m³. Biggest miss: Riyadh (model 477, monitors 25). Cities without nearby monitors are model estimates only.

  9. Oceania: worst Sydney (AQI 55, Moderate); cleanest Wellington (14). Cells are coloured by US EPA-style bands.
    Data: Open-Meteo.com / CAMS (Copernicus), CC BY 4.0

  10. Asia: worst Faisalabad (AQI 289, Very unhealthy); cleanest Novosibirsk (23). Cells are coloured by US EPA-style bands.

  11. Europe, Middle East & Africa: worst Riyadh (AQI 473, Hazardous); cleanest Madrid (28). Cells are coloured by US EPA-style bands.

  12. North America: worst Dallas TX (AQI 81, Moderate); cleanest Saskatoon (13). Cells are coloured by US EPA-style bands.

  13. Global air quality, 2026-11-10 12:00 UTC (103 cities; CAMS via Open-Meteo)
    Worst: Riyadh 473, Kuwait City 374, Faisalabad 289
    Cleanest: Saskatoon 13, Wellington 14
    Biggest rise since last check: Kuwait City +222

  14. Satellite view: Tropospheric nitrogen dioxide (NO₂) over India & Pakistan. Sentinel-5P TROPOMI, latest passes in the last 48 h. Bright orange/red = high concentrations (traffic, industry, power plants, fires).
    Contains modified Copernicus Sentinel data.

  15. Reality check: modeled PM2.5 vs real ground monitors in 74 of 103 cities. 38 agree within ~35%; typical gap 7 µg/m³. Biggest miss: Riyadh (model 317, monitors 27). Cities without nearby monitors are model estimates only.

  16. Oceania: worst Mount Isa (AQI 72, Moderate); cleanest Christchurch (22). Cells are coloured by US EPA-style bands.
    Data: Open-Meteo.com / CAMS (Copernicus), CC BY 4.0

  17. Asia: worst Faisalabad (AQI 215, Very unhealthy); cleanest Kazan (27). Cells are coloured by US EPA-style bands.

  18. Europe, Middle East & Africa: worst Riyadh (AQI 2005, Hazardous); cleanest Casablanca (34). Cells are coloured by US EPA-style bands.

  19. North America: worst Dallas TX (AQI 67, Moderate); cleanest Ottawa (19). Cells are coloured by US EPA-style bands.

  20. Global air quality, 2026-11-09 12:00 UTC (103 cities; CAMS via Open-Meteo)
    Worst: Riyadh 2005, Faisalabad 215, Mumbai 212
    Cleanest: Ottawa 19, Christchurch 22
    Biggest rise since last check: Riyadh +1583

  21. Satellite view: Tropospheric nitrogen dioxide (NO₂) over Middle East & Africa. Sentinel-5P TROPOMI, latest passes in the last 48 h. Bright orange/red = high concentrations (traffic, industry, power plants, fires).
    Contains modified Copernicus Sentinel data.

  22. Satellite view: Methane (CH₄) over Persian Gulf. Sentinel-5P TROPOMI, latest passes in the last 48 h. Warm = above the regional background. Single leaks are too small to see.
    Contains modified Copernicus Sentinel data.

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