Air Quality Crossword

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Across
  1. 2. Is, the best...os
  2. 5. Full of puns
Down
  1. 1. He's our happy helper at the State
  2. 2. The monitor that was moved in 2023.
  3. 3. Thanks ________ for all the smoke in 2023!
  4. 4. The new NAAQs for 2024 (punctuation counts as a letter)