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)
58
Moderate
Derry, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.56 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.75 μg/m³
0
55
155
255
425
605+
38.35 ppb
0
55
71
86
201
201+
0.96 ppb
0
36
76
186
605
1005+
1.21 ppb
0
54
101
361
1250
2050+
0.11 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 60
Moderate
13.54μg/m³
PM2.5
20.70μg/m³
PM10
38.67ppb
O3
1.08ppb
SO2
1.29ppb
NO2
0.10ppm
CO
AQI 58
Moderate
12.50μg/m³
PM2.5
31.59μg/m³
PM10
36.53ppb
O3
0.93ppb
SO2
2.47ppb
NO2
0.11ppm
CO
AQI 56
Moderate
12.03μg/m³
PM2.5
38.65μg/m³
PM10
34.62ppb
O3
0.79ppb
SO2
2.59ppb
NO2
0.11ppm
CO
AQI 52
Moderate
10.48μg/m³
PM2.5
38.09μg/m³
PM10
33.78ppb
O3
0.81ppb
SO2
2.86ppb
NO2
0.12ppm
CO
AQI 56
Moderate
12.37μg/m³
PM2.5
34.51μg/m³
PM10
36.11ppb
O3
0.84ppb
SO2
2.83ppb
NO2
0.11ppm
CO
AQI 56
Moderate
12.24μg/m³
PM2.5
30.86μg/m³
PM10
32.44ppb
O3
0.68ppb
SO2
2.17ppb
NO2
0.11ppm
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 05:00:00 on 2026-06-29.
In the last 24 hrs, the best air quality in Derry, New Hampshire was observed at 04:00:00 on 2026-06-29.
The current air quality in Derry, New Hampshire is 58, categorized as Moderate based on real-time data.
The most common pollutant in Derry, New Hampshire is PM2.5.
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 12.557 μg/m3.
The current PM10 concentration at Derry, New Hampshire is 26.746 μg/m3.
The current carbon monoxide (CO) concentration at Derry, New Hampshire is 0.106 ppm.
The current sulfur dioxide (SO2) concentration at Derry, New Hampshire is 0.957 ppb.
The current ozone (O3) concentration at Derry, New Hampshire is 38.35 ppm.
The current nitrogen dioxide (NO2) concentration at Derry, New Hampshire is 1.206 ppb.
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