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)
35
Good
Southold, New York
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
4.97 μg/m³
0
55
155
255
425
605+
37.82 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
11.03 ppb
0
54
101
361
1250
2050+
0.46 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Southold, New York
Southold, New York
Scroll To Air Quality MapLoading...
AQI 35
Good
3.06μg/m³
PM2.5
15.50μg/m³
PM10
38.22ppb
O3
0.42ppb
SO2
4.19ppb
NO2
0.37ppm
CO
AQI 36
Good
2.87μg/m³
PM2.5
16.08μg/m³
PM10
39.04ppb
O3
0.47ppb
SO2
13.38ppb
NO2
0.41ppm
CO
AQI 35
Good
3.39μg/m³
PM2.5
8.13μg/m³
PM10
38.39ppb
O3
0.42ppb
SO2
13.70ppb
NO2
0.41ppm
CO
AQI 35
Good
3.37μg/m³
PM2.5
8.02μg/m³
PM10
37.75ppb
O3
0.44ppb
SO2
15.30ppb
NO2
0.40ppm
CO
AQI 35
Good
4.10μg/m³
PM2.5
21.08μg/m³
PM10
37.56ppb
O3
0.46ppb
SO2
17.08ppb
NO2
0.39ppm
CO
AQI 33
Good
4.93μg/m³
PM2.5
20.41μg/m³
PM10
35.68ppb
O3
0.51ppb
SO2
19.07ppb
NO2
0.36ppm
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 05:00:00, 2026-11-03.
The best air quality in Southold, New York was observed at 12:00:00 on 2026-11-03.
The air quality in Southold, New York right now is Good, with an AQI of 35.
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 2.674 μg/m3.
Southold, New York currently has a PM10 concentration of 4.975 μg/m3.
The current carbon monoxide (CO) level in Southold, New York is 0.457 ppm.
The current sulfur dioxide (SO2) concentration in Southold, New York is 0.364 ppb.
Southold, New York currently has an ozone (O3) concentration of 37.816 ppm.
The current level of nitrogen dioxide (NO2) in Southold, New York is 11.03 ppb.
All Rights Reserved © Ambee Inc. 2025