Stay updated with real-time air quality in Derry, New Hampshire 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
Derry, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.53 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.89 μg/m³
0
55
155
255
425
605+
37.30 ppb
0
55
71
86
201
201+
0.68 ppb
0
36
76
186
605
1005+
6.94 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Derry, New Hampshire
Derry, New Hampshire
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AQI 37
Good
4.69μg/m³
PM2.5
11.52μg/m³
PM10
39.63ppb
O3
0.70ppb
SO2
3.77ppb
NO2
0.10ppm
CO
AQI 35
Good
4.61μg/m³
PM2.5
14.80μg/m³
PM10
37.94ppb
O3
0.67ppb
SO2
9.96ppb
NO2
0.12ppm
CO
AQI 35
Good
4.79μg/m³
PM2.5
17.67μg/m³
PM10
37.98ppb
O3
0.64ppb
SO2
9.68ppb
NO2
0.13ppm
CO
AQI 36
Good
4.50μg/m³
PM2.5
17.70μg/m³
PM10
39.18ppb
O3
0.65ppb
SO2
12.68ppb
NO2
0.14ppm
CO
AQI 31
Good
4.58μg/m³
PM2.5
15.90μg/m³
PM10
32.70ppb
O3
0.65ppb
SO2
11.53ppb
NO2
0.13ppm
CO
AQI 35
Good
4.67μg/m³
PM2.5
13.33μg/m³
PM10
37.73ppb
O3
0.65ppb
SO2
7.94ppb
NO2
0.13ppm
CO
Air quality data and pollutant measurements for New Hampshire, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Derry, New Hampshire is updated every hour.
The worst air quality in Derry, New Hampshire in the last 24 hours was observed at 04:00:00 on 2026-05-13.
In the last 24 hrs, the best air quality in Derry, New Hampshire was observed at 12:00:00 on 2026-05-13.
The current air quality in Derry, New Hampshire is 34, categorized as Good based on real-time data.
The most common pollutant in Derry, New Hampshire is O3.
If the air quality in Derry, New Hampshire is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Derry, New Hampshire is 4.529 μg/m3.
The current PM10 concentration at Derry, New Hampshire is 12.892 μg/m3.
The current carbon monoxide (CO) concentration at Derry, New Hampshire is 0.118 ppm.
The current sulfur dioxide (SO2) concentration at Derry, New Hampshire is 0.678 ppb.
The current ozone (O3) concentration at Derry, New Hampshire is 37.304 ppm.
The current nitrogen dioxide (NO2) concentration at Derry, New Hampshire is 6.94 ppb.
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