Stay updated with real-time air quality in Freeport, New York featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
23
Good
Freeport, New York
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.88 μg/m³
0
55
155
255
425
605+
24.92 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
4.66 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Freeport, New York
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AQI 24
Good
3.13μg/m³
PM2.5
12.68μg/m³
PM10
26.40ppb
O3
0.21ppb
SO2
2.83ppb
NO2
0.17ppm
CO
AQI 24
Good
3.31μg/m³
PM2.5
14.57μg/m³
PM10
25.68ppb
O3
0.21ppb
SO2
2.85ppb
NO2
0.17ppm
CO
AQI 24
Good
3.46μg/m³
PM2.5
15.13μg/m³
PM10
25.54ppb
O3
0.22ppb
SO2
2.86ppb
NO2
0.17ppm
CO
AQI 24
Good
3.20μg/m³
PM2.5
12.69μg/m³
PM10
25.53ppb
O3
0.21ppb
SO2
3.96ppb
NO2
0.17ppm
CO
AQI 24
Good
3.03μg/m³
PM2.5
13.92μg/m³
PM10
25.55ppb
O3
0.22ppb
SO2
3.38ppb
NO2
0.17ppm
CO
AQI 23
Good
3.50μg/m³
PM2.5
16.22μg/m³
PM10
25.31ppb
O3
0.22ppb
SO2
3.96ppb
NO2
0.17ppm
CO
Air quality and pollutant data for New York, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Freeport, New York is updated every hour for accuracy.
In the past 24 hours, the air quality in Freeport, New York was at its worst at 11:00:00 on 2026-09-18.
In the last 24 hours, the best air quality in Freeport, New York was observed at 07:00:00 on 2026-09-19.
As of now, the AQI in Freeport, New York is 23, indicating Good conditions.
Freeport, New York air has the highest levels of O3.
Poor air quality in Freeport, New York means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Freeport, New York are currently 3.824 μg/m3.
The PM10 concentration in Freeport, New York is 15.882 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Freeport, New York is 0.146 ppm.
Currently, Freeport, New York has a sulfur dioxide (SO2) concentration of 0.22 ppb.
The current ozone (O3) level in Freeport, New York at the moment is 24.917 ppm.
Nitrogen dioxide (NO2) level in Freeport, New York at the moment is 4.662 ppb.
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