Stay updated with real-time air quality in Laconia, 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)
44
Good
Laconia, New Hampshire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.30 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.20 μg/m³
0
55
155
255
425
605+
21.27 ppb
0
55
71
86
201
201+
1.19 ppb
0
36
76
186
605
1005+
6.30 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Laconia, New Hampshire
Laconia, New Hampshire
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AQI 49
Good
8.78μg/m³
PM2.5
23.06μg/m³
PM10
38.52ppb
O3
0.38ppb
SO2
6.62ppb
NO2
0.19ppm
CO
AQI 52
Moderate
9.77μg/m³
PM2.5
30.59μg/m³
PM10
35.44ppb
O3
0.39ppb
SO2
7.11ppb
NO2
0.20ppm
CO
AQI 49
Good
8.99μg/m³
PM2.5
22.32μg/m³
PM10
35.46ppb
O3
0.39ppb
SO2
7.28ppb
NO2
0.18ppm
CO
AQI 52
Moderate
9.82μg/m³
PM2.5
31.84μg/m³
PM10
35.87ppb
O3
0.39ppb
SO2
6.53ppb
NO2
0.21ppm
CO
AQI 52
Moderate
9.75μg/m³
PM2.5
29.01μg/m³
PM10
36.74ppb
O3
0.39ppb
SO2
7.35ppb
NO2
0.21ppm
CO
AQI 54
Moderate
10.56μg/m³
PM2.5
21.44μg/m³
PM10
27.61ppb
O3
0.38ppb
SO2
5.09ppb
NO2
0.21ppm
CO
Air quality and pollutant data for New Hampshire, 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 Laconia, New Hampshire is updated every hour for accuracy.
In the past 24 hours, the air quality in Laconia, New Hampshire was at its worst at 11:00:00 on 2025-07-24.
In the last 24 hours, the best air quality in Laconia, New Hampshire was observed at 02:00:00 on 2025-07-24.
As of now, the AQI in Laconia, New Hampshire is 44, indicating Good conditions.
Laconia, New Hampshire air has the highest levels of PM2.5.
Poor air quality in Laconia, New Hampshire means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Laconia, New Hampshire are currently 8.331 μg/m3.
The PM10 concentration in Laconia, New Hampshire is 37.792 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Laconia, New Hampshire is 0.202 ppm.
Currently, Laconia, New Hampshire has a sulfur dioxide (SO2) concentration of 0.353 ppb.
The current ozone (O3) level in Laconia, New Hampshire at the moment is 36.543 ppm.
Nitrogen dioxide (NO2) level in Laconia, New Hampshire at the moment is 5.239 ppb.
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