Stay updated with real-time air quality in Southold, 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)
56
Moderate
Southold, New York
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
39.39 μg/m³
0
55
155
255
425
605+
51.33 ppb
0
55
71
86
201
201+
0.19 ppb
0
36
76
186
605
1005+
6.06 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Southold, New York
Southold, New York
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AQI 58
Moderate
12.83μg/m³
PM2.5
52.75μg/m³
PM10
50.36ppb
O3
0.28ppb
SO2
5.30ppb
NO2
0.23ppm
CO
AQI 44
Good
8.17μg/m³
PM2.5
31.10μg/m³
PM10
48.40ppb
O3
0.40ppb
SO2
5.72ppb
NO2
0.22ppm
CO
AQI 49
Good
8.61μg/m³
PM2.5
30.54μg/m³
PM10
47.43ppb
O3
0.24ppb
SO2
5.72ppb
NO2
0.22ppm
CO
AQI 49
Good
8.87μg/m³
PM2.5
30.57μg/m³
PM10
50.18ppb
O3
0.22ppb
SO2
5.87ppb
NO2
0.22ppm
CO
AQI 49
Good
8.77μg/m³
PM2.5
30.47μg/m³
PM10
50.58ppb
O3
0.22ppb
SO2
6.00ppb
NO2
0.22ppm
CO
AQI 49
Good
8.75μg/m³
PM2.5
30.14μg/m³
PM10
51.86ppb
O3
0.31ppb
SO2
6.40ppb
NO2
0.22ppm
CO
The air quality data for New York, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Southold, New York are available every hour.
Southold, New York experienced its worst air quality at 09:00:00, 2026-06-18.
The best air quality in Southold, New York was observed at 10:00:00 on 2026-06-18.
The air quality in Southold, New York right now is Moderate, with an AQI of 56.
In Southold, New York, PM2.5 is the most frequently found pollutant.
When air quality in Southold, New York is compromised, staying indoors and wearing a mask can reduce health risks.
Southold, New York currently has a PM2.5 concentration of 11.94 μg/m3.
Southold, New York currently has a PM10 concentration of 39.389 μg/m3.
The current carbon monoxide (CO) level in Southold, New York is 0.21 ppm.
The current sulfur dioxide (SO2) concentration in Southold, New York is 0.189 ppb.
Southold, New York currently has an ozone (O3) concentration of 51.326 ppm.
The current level of nitrogen dioxide (NO2) in Southold, New York is 6.056 ppb.
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