Commentary NRDC: New Air Quality Standard Insufficient to Protect Public Health by Press on October 1, 2015 Press Author More in Commentary: Heteronormativity: Grappling with Straight Privilege March 24, 2026 Former Park Forest Mayor Ostenburg Implores Chicago Cardinal Cupich to Care for St. Irenaeus Property December 16, 2025 An Angel Now Guards Our Friends in Blue: Park Forest Mourns the Loss of #204, Detective Tim Jones December 4, 2025 WASHINGTON—(ENEWSPF)–October 1, 2015 – The Obama Administration today tightened the limit for ground-level ozone or smog pollution—one of the most pervasive and dangerous pollutants we inhale—to 70 parts per billion (ppb).