Stay updated with real-time air quality in North Hempstead, 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)
38
Good
North Hempstead, New York
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.57 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.09 μg/m³
0
55
155
255
425
605+
41.05 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
5.28 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
North Hempstead, New York
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AQI 34
Good
5.32μg/m³
PM2.5
31.74μg/m³
PM10
36.62ppb
O3
0.21ppb
SO2
3.28ppb
NO2
0.21ppm
CO
AQI 35
Good
5.32μg/m³
PM2.5
35.42μg/m³
PM10
38.21ppb
O3
0.21ppb
SO2
3.29ppb
NO2
0.20ppm
CO
AQI 34
Good
5.32μg/m³
PM2.5
31.74μg/m³
PM10
36.62ppb
O3
0.21ppb
SO2
3.28ppb
NO2
0.21ppm
CO
AQI 34
Good
5.34μg/m³
PM2.5
27.49μg/m³
PM10
36.93ppb
O3
0.20ppb
SO2
3.28ppb
NO2
0.20ppm
CO
AQI 35
Good
6.10μg/m³
PM2.5
31.42μg/m³
PM10
38.28ppb
O3
0.21ppb
SO2
3.30ppb
NO2
0.20ppm
CO
AQI 33
Good
5.33μg/m³
PM2.5
31.73μg/m³
PM10
35.84ppb
O3
0.21ppb
SO2
3.27ppb
NO2
0.21ppm
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 North Hempstead, New York is updated every hour for accuracy.
In the past 24 hours, the air quality in North Hempstead, New York was at its worst at 01:00:00 on 2026-03-21.
In the last 24 hours, the best air quality in North Hempstead, New York was observed at 06:00:00 on 2026-03-21.
As of now, the AQI in North Hempstead, New York is 34, indicating Good conditions.
North Hempstead, New York air has the highest levels of O3.
Poor air quality in North Hempstead, New York means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in North Hempstead, New York are currently 5.322 μg/m3.
The PM10 concentration in North Hempstead, New York is 31.741 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in North Hempstead, New York is 0.206 ppm.
Currently, North Hempstead, New York has a sulfur dioxide (SO2) concentration of 0.211 ppb.
The current ozone (O3) level in North Hempstead, New York at the moment is 36.618 ppm.
Nitrogen dioxide (NO2) level in North Hempstead, New York at the moment is 3.284 ppb.
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