Decaying leaves.
Lilacs.
Honeysuckle.
Cow manure.
Cut grass.
Wild onions.
Charcoal smoke.
Fecund earthiness of the wetlands.
Car exhaust.
Warming asphalt.
Mild sewage smell from the water treatment facility.
Pine needles.
Congealed petroleum in the garage.
Pretzel sticks in the kids’ bike trailer.
Fishy, stale bicycle tire air.