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)
22
Good
Laconia, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.19 μg/m³
0
55
155
255
425
605+
24.37 ppb
0
55
71
86
201
201+
0.75 ppb
0
36
76
186
605
1005+
1.39 ppb
0
54
101
361
1250
2050+
0.16 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 21
Good
2.80μg/m³
PM2.5
10.84μg/m³
PM10
23.03ppb
O3
0.50ppb
SO2
1.05ppb
NO2
0.15ppm
CO
AQI 21
Good
3.36μg/m³
PM2.5
11.76μg/m³
PM10
22.84ppb
O3
0.85ppb
SO2
1.76ppb
NO2
0.15ppm
CO
AQI 21
Good
3.15μg/m³
PM2.5
11.23μg/m³
PM10
22.91ppb
O3
0.41ppb
SO2
1.27ppb
NO2
0.14ppm
CO
AQI 23
Good
3.30μg/m³
PM2.5
10.66μg/m³
PM10
24.84ppb
O3
0.83ppb
SO2
1.51ppb
NO2
0.15ppm
CO
AQI 22
Good
4.20μg/m³
PM2.5
14.50μg/m³
PM10
22.99ppb
O3
0.91ppb
SO2
1.79ppb
NO2
0.15ppm
CO
AQI 23
Good
2.57μg/m³
PM2.5
9.99μg/m³
PM10
24.94ppb
O3
0.56ppb
SO2
1.21ppb
NO2
0.16ppm
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 10:00:00 on 2026-08-13.
In the last 24 hours, the best air quality in Laconia, New Hampshire was observed at 12:00:00 on 2026-08-14.
As of now, the AQI in Laconia, New Hampshire is 22, indicating Good conditions.
Laconia, New Hampshire air has the highest levels of O3.
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 1.413 μg/m3.
The PM10 concentration in Laconia, New Hampshire is 5.19 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Laconia, New Hampshire is 0.156 ppm.
Currently, Laconia, New Hampshire has a sulfur dioxide (SO2) concentration of 0.75 ppb.
The current ozone (O3) level in Laconia, New Hampshire at the moment is 24.371 ppm.
Nitrogen dioxide (NO2) level in Laconia, New Hampshire at the moment is 1.385 ppb.
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