Nature | A new review highlights that while low-cost air quality sensors are expanding access to pollution monitoring worldwide, their accuracy, calibration, and lack of standardized protocols remain major challenges, especially in mobile, drone, and citizen science applications.

The Guardian | After nearly 30 years of air quality policies, Santiago, Chile saw its third best year for reduced pollution episodes in 2025, with hours of high exposure down 66% over the last decade, though challenges remain.

NC DEQ – NC.gov | North Carolina’s Division of Air Quality awarded $1.14 million in DERA-funded grants to replace or retrofit 20 older diesel vehicles and equipment (including some with electric and CNG alternatives), projected to cut 3,483 tons of CO₂, 57 tons of NOx, and 7,700 pounds of PM2.5 over their lifetimes.

World Health Organization (WHO) | A new WHO policy summary emphasizes that land use planning plays a critical role in shaping exposure to air pollution and its health impacts, urging integrated policies that connect planning, regulation, and enforcement to reduce pollution and improve public health worldwide.

Arka.am | 1 October 2025 | Armenia signed a $1.7 million grant agreement with Japan to modernize its air quality monitoring stations, improve data quality, and strengthen environmental forecasting.

Envirotech Online | Airvoice, a global air quality technology company founded in 2021, will showcase its AI-driven real-time monitoring and management solutions for buildings and cities at CEM 2025.

WBZ NewsRadio 1030 – iHeart | Boston awarded over $1.1 million in Community Clean Air Grants to six organizations for projects including air quality monitoring, education campaigns, and pollution mitigation to improve public health and reduce exposure across city neighborhoods.

The Boulder Reporting Lab | Colorado health officials rejected Xcel Energy’s initial coal ash cleanup plan at the Valmont Power Station, citing inadequate protections against toxic dust and groundwater contamination, and ordered a stronger strategy before the decade-long, $60–70 million project can begin.

The Guardian | Latino communities across the U.S. are installing local air quality sensors to track harmful pollution, fill data gaps, and advocate for stronger protections as federal regulations are rolled back.

KAWC | Gadsden Elementary School District #32 has launched the Air Quality Flag Program to help students and families track daily pollution levels and take precautions, especially for children with respiratory conditions.

Nature | A new review highlights that while low-cost air quality sensors are expanding access to pollution monitoring worldwide, their accuracy, calibration, and lack of standardized protocols remain major challenges, especially in mobile, drone, and citizen science applications.

The Guardian | After nearly 30 years of air quality policies, Santiago, Chile saw its third best year for reduced pollution episodes in 2025, with hours of high exposure down 66% over the last decade, though challenges remain.

NC DEQ – NC.gov | North Carolina’s Division of Air Quality awarded $1.14 million in DERA-funded grants to replace or retrofit 20 older diesel vehicles and equipment (including some with electric and CNG alternatives), projected to cut 3,483 tons of CO₂, 57 tons of NOx, and 7,700 pounds of PM2.5 over their lifetimes.

World Health Organization (WHO) | A new WHO policy summary emphasizes that land use planning plays a critical role in shaping exposure to air pollution and its health impacts, urging integrated policies that connect planning, regulation, and enforcement to reduce pollution and improve public health worldwide.

Arka.am | 1 October 2025 | Armenia signed a $1.7 million grant agreement with Japan to modernize its air quality monitoring stations, improve data quality, and strengthen environmental forecasting.

Envirotech Online | Airvoice, a global air quality technology company founded in 2021, will showcase its AI-driven real-time monitoring and management solutions for buildings and cities at CEM 2025.

WBZ NewsRadio 1030 – iHeart | Boston awarded over $1.1 million in Community Clean Air Grants to six organizations for projects including air quality monitoring, education campaigns, and pollution mitigation to improve public health and reduce exposure across city neighborhoods.

The Boulder Reporting Lab | Colorado health officials rejected Xcel Energy’s initial coal ash cleanup plan at the Valmont Power Station, citing inadequate protections against toxic dust and groundwater contamination, and ordered a stronger strategy before the decade-long, $60–70 million project can begin.

The Guardian | Latino communities across the U.S. are installing local air quality sensors to track harmful pollution, fill data gaps, and advocate for stronger protections as federal regulations are rolled back.

KAWC | Gadsden Elementary School District #32 has launched the Air Quality Flag Program to help students and families track daily pollution levels and take precautions, especially for children with respiratory conditions.