The air quality index is worsening as smoke from Canadian wildfires drifts to the Hudson Valley. 

The state DEC says that the air quality alert for the Hudson Valley has been extended until 12 a.m. Sunday.

MORE: Air Quality Alert extended: National Weather Service website

In Middletown, staff at the city's summer camp sports program was keeping a close eye on kids, especially those who have medical issues like asthma.

Medical experts say the people most at risk are those with respiratory issues or other health problems.

The good news is the numbers are not as dangerous as they were three weeks ago.

That's why state officials say the air quality is unhealthy for everyone across the state. "The yellow categories where it's unhealthy for sensitive groups that's when the numbers hit 101 to 150 that would be the capital region the Hudson Valley region, New York City and Long Island," said Gov. Kathy Hochul on Thursday.

State officials say it's still too soon to predict the air quality for Monday and Tuesday when many folks are celebrating the July Fourth holiday.