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)
82
Moderate
North Hempstead, New York
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
26.03 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
102.65 μg/m³
0
55
155
255
425
605+
19.56 ppb
0
55
71
86
201
201+
0.77 ppb
0
36
76
186
605
1005+
31.83 ppb
0
54
101
361
1250
2050+
0.45 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
North Hempstead, New York
North Hempstead, New York
Scroll To Air Quality MapLoading...
AQI 75
Moderate
22.20μg/m³
PM2.5
85.41μg/m³
PM10
22.55ppb
O3
0.77ppb
SO2
25.35ppb
NO2
0.51ppm
CO
AQI 67
Moderate
18.07μg/m³
PM2.5
72.19μg/m³
PM10
19.04ppb
O3
0.76ppb
SO2
27.02ppb
NO2
0.50ppm
CO
AQI 75
Moderate
22.20μg/m³
PM2.5
85.41μg/m³
PM10
22.55ppb
O3
0.77ppb
SO2
25.35ppb
NO2
0.51ppm
CO
AQI 67
Moderate
17.97μg/m³
PM2.5
85.79μg/m³
PM10
20.13ppb
O3
0.76ppb
SO2
34.11ppb
NO2
0.50ppm
CO
AQI 75
Moderate
21.62μg/m³
PM2.5
86.40μg/m³
PM10
22.74ppb
O3
0.76ppb
SO2
22.03ppb
NO2
0.51ppm
CO
AQI 75
Moderate
21.85μg/m³
PM2.5
83.54μg/m³
PM10
24.39ppb
O3
0.77ppb
SO2
23.70ppb
NO2
0.52ppm
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 2026-02-04.
In the last 24 hours, the best air quality in North Hempstead, New York was observed at 07:00:00 on 2026-02-03.
As of now, the AQI in North Hempstead, New York is 75, 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 22.199 μg/m3.
The PM10 concentration in North Hempstead, New York is 85.408 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in North Hempstead, New York is 0.513 ppm.
Currently, North Hempstead, New York has a sulfur dioxide (SO2) concentration of 0.765 ppb.
The current ozone (O3) level in North Hempstead, New York at the moment is 22.547 ppm.
Nitrogen dioxide (NO2) level in North Hempstead, New York at the moment is 25.349 ppb.
All Rights Reserved © Ambee Inc. 2025