Related Clues:

• Air condition?
• Pollution that may sting the eyes
• Traffic consequence
• Big city pollution problem
• Scenery spoiler
• Foggy state
• Smoky state
• Miasma
• EPA concern *
• Its main ingredient is ozone
• Persecute pledges
• Visible air pollution
• Fog polluted by smoke
• Mist or shimmer due to heat
• Daze, fog