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)
34
Good
Southold, New York
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.03 μg/m³
0
55
155
255
425
605+
37.15 ppb
0
55
71
86
201
201+
0.11 ppb
0
36
76
186
605
1005+
3.10 ppb
0
54
101
361
1250
2050+
0.18 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 30
Good
4.00μg/m³
PM2.5
27.13μg/m³
PM10
32.22ppb
O3
0.14ppb
SO2
3.93ppb
NO2
0.18ppm
CO
AQI 31
Good
4.25μg/m³
PM2.5
11.86μg/m³
PM10
34.46ppb
O3
0.11ppb
SO2
4.15ppb
NO2
0.20ppm
CO
AQI 35
Good
3.97μg/m³
PM2.5
10.84μg/m³
PM10
37.63ppb
O3
0.11ppb
SO2
3.75ppb
NO2
0.19ppm
CO
AQI 37
Good
4.37μg/m³
PM2.5
10.13μg/m³
PM10
39.87ppb
O3
0.11ppb
SO2
4.03ppb
NO2
0.19ppm
CO
AQI 37
Good
4.35μg/m³
PM2.5
10.26μg/m³
PM10
39.84ppb
O3
0.11ppb
SO2
4.20ppb
NO2
0.19ppm
CO
AQI 36
Good
4.45μg/m³
PM2.5
12.91μg/m³
PM10
39.16ppb
O3
0.11ppb
SO2
5.43ppb
NO2
0.19ppm
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 08:00:00, 2026-08-04.
The best air quality in Southold, New York was observed at 10:00:00 on 2026-08-04.
The air quality in Southold, New York right now is Good, with an AQI of 34.
In Southold, New York, O3 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 3.517 μg/m3.
Southold, New York currently has a PM10 concentration of 18.028 μg/m3.
The current carbon monoxide (CO) level in Southold, New York is 0.185 ppm.
The current sulfur dioxide (SO2) concentration in Southold, New York is 0.113 ppb.
Southold, New York currently has an ozone (O3) concentration of 37.149 ppm.
The current level of nitrogen dioxide (NO2) in Southold, New York is 3.1 ppb.
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