#airquality — Public Fediverse posts

Reality check: modeled PM2.5 vs real ground monitors in 74 of 103 cities. 39 agree within ~35%; typical gap 7 µg/m³. Biggest miss: Shanghai (model 282, monitors 51). Cities without nearby monitors are model estimates only.
#AirQuality #OpenAQ #ClimateData

Oceania: worst Sydney (AQI 58, Moderate); cleanest Wellington (20). Cells are coloured by US EPA-style bands.
Data: Open-Meteo.com / CAMS (Copernicus), CC BY 4.0
#AirQuality #ClimateData

Asia: worst Beijing (AQI 255, Very unhealthy); cleanest Yekaterinburg (22). Cells are coloured by US EPA-style bands.
#AirQuality #ClimateData

Europe, Middle East & Africa: worst Riyadh (AQI 1792, Hazardous); cleanest Madrid (19). Cells are coloured by US EPA-style bands.
#AirQuality #ClimateData

North America: worst Houston TX (AQI 84, Moderate); cleanest Fort McMurray (23). Cells are coloured by US EPA-style bands.
#AirQuality #ClimateData

Global air quality, 2026-11-12 12:00 UTC (103 cities; CAMS via Open-Meteo)
Worst: Riyadh 1792, Beijing 255, Noida 246
Cleanest: Madrid 19, Wellington 20
Biggest rise since last check: Riyadh +1448
#AirQuality #AQI #ClimateData

Satellite view: Tropospheric nitrogen dioxide (NO₂) over Europe. 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. #Sentinel5P #AirQuality #ClimateData #ISS #Satellites

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.
#AirQuality #OpenAQ #ClimateData

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
#AirQuality #ClimateData

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

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

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

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
#AirQuality #AQI #ClimateData

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. #Sentinel5P #AirQuality #ClimateData #ISS #Satellites

Dirty air actually breaks down the smell of flowers and stops bees and moths from finding their food https://www.earth.com/environment/dirty-air-actually-breaks-down-the-smell-of-flowers-and-stops-bees-and-moths-from-finding-their-food/

#environment #AirQuality #AirPollution #flowers #insects #bees #moths #pollinators

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.
#AirQuality #OpenAQ #ClimateData

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
#AirQuality #ClimateData

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

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

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

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
#AirQuality #AQI #ClimateData

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. #Sentinel5P #AirQuality #ClimateData #ISS #Satellites