Dublin Fire Brigade (DFB) said it was dealing with a high volume of reported incidents on Halloween night, with an average of one emergency call received every 70 seconds.
An interactive map operated by the fire brigade showed scores of bonfires across the city and into north Co Dublin on Tuesday evening, with over 100 incidents logged.
Firefighters in Tallaght extinguished a burning car that was blocking access to a housing estate on Tuesday evening. Elsewhere, the fire brigade responded to an instance of grass set alight in Portmarnock.
Earlier on Tuesday, DFB said officers were assessing fires throughout the city.
The 12 savings of Christmas: When to shop (November), what to drink (not Champagne) and more
Artfully restored home on tucked-away terrace in Rathfarnham for €650,000
EV Q&A: Why are there no lamp-post chargers in Ireland?
Mandy O’Neill: Best Laid Plans – Compelling photo-journey through lockdown and Cabra’s history
The fire brigade said it would extinguish any fire in danger of spreading, or causing a nuisance. On Tuesday afternoon, officers extinguished a bonfire in Cherry Orchard.
An Garda Síochána reported no major incidents on Tuesday evening. Earlier on Tuesday, the Garda said it was working with local authorities nationwide to prevent the stockpiling of bonfire materials, stating that bonfires were illegal and “potentially very dangerous”.