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)
52
Moderate
North Hempstead, New York
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
41.51 μg/m³
0
55
155
255
425
605+
18.15 ppb
0
55
71
86
201
201+
1.21 ppb
0
36
76
186
605
1005+
20.38 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
North Hempstead, New York
North Hempstead, New York
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AQI 54
Moderate
10.79μg/m³
PM2.5
50.81μg/m³
PM10
15.83ppb
O3
1.33ppb
SO2
31.00ppb
NO2
0.44ppm
CO
AQI 58
Moderate
13.24μg/m³
PM2.5
33.46μg/m³
PM10
14.46ppb
O3
1.33ppb
SO2
30.24ppb
NO2
0.44ppm
CO
AQI 54
Moderate
10.79μg/m³
PM2.5
50.81μg/m³
PM10
15.83ppb
O3
1.33ppb
SO2
31.00ppb
NO2
0.44ppm
CO
AQI 58
Moderate
13.17μg/m³
PM2.5
33.36μg/m³
PM10
16.14ppb
O3
1.33ppb
SO2
29.23ppb
NO2
0.43ppm
CO
AQI 58
Moderate
12.92μg/m³
PM2.5
51.70μg/m³
PM10
12.06ppb
O3
1.32ppb
SO2
27.67ppb
NO2
0.44ppm
CO
AQI 56
Moderate
11.54μg/m³
PM2.5
45.98μg/m³
PM10
15.01ppb
O3
1.33ppb
SO2
28.54ppb
NO2
0.45ppm
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 03:00:00 on 2026-11-03.
In the last 24 hours, the best air quality in North Hempstead, New York was observed at 10:00:00 on 2026-11-02.
As of now, the AQI in North Hempstead, New York is 52, indicating Moderate conditions.
North Hempstead, New York air has the highest levels of PM2.5.
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 10.231 μg/m3.
The PM10 concentration in North Hempstead, New York is 41.512 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in North Hempstead, New York is 0.381 ppm.
Currently, North Hempstead, New York has a sulfur dioxide (SO2) concentration of 1.212 ppb.
The current ozone (O3) level in North Hempstead, New York at the moment is 18.146 ppm.
Nitrogen dioxide (NO2) level in North Hempstead, New York at the moment is 20.382 ppb.
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