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)
32
Good
Laconia, New Hampshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.31 μg/m³
0
55
155
255
425
605+
35.10 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
5.99 ppb
0
54
101
361
1250
2050+
0.17 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 30
Good
4.54μg/m³
PM2.5
13.72μg/m³
PM10
31.62ppb
O3
0.66ppb
SO2
9.02ppb
NO2
0.14ppm
CO
AQI 37
Good
4.95μg/m³
PM2.5
15.11μg/m³
PM10
40.43ppb
O3
0.62ppb
SO2
3.45ppb
NO2
0.14ppm
CO
AQI 32
Good
4.58μg/m³
PM2.5
13.60μg/m³
PM10
35.33ppb
O3
0.69ppb
SO2
8.47ppb
NO2
0.13ppm
CO
AQI 34
Good
4.67μg/m³
PM2.5
15.23μg/m³
PM10
36.66ppb
O3
0.57ppb
SO2
3.24ppb
NO2
0.14ppm
CO
AQI 34
Good
4.77μg/m³
PM2.5
16.12μg/m³
PM10
37.21ppb
O3
0.61ppb
SO2
3.31ppb
NO2
0.14ppm
CO
AQI 33
Good
4.11μg/m³
PM2.5
17.62μg/m³
PM10
36.03ppb
O3
0.58ppb
SO2
6.16ppb
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 09:00:00 on 2026-05-14.
In the last 24 hours, the best air quality in Laconia, New Hampshire was observed at 12:00:00 on 2026-05-13.
As of now, the AQI in Laconia, New Hampshire is 32, 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 3.271 μg/m3.
The PM10 concentration in Laconia, New Hampshire is 13.308 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Laconia, New Hampshire is 0.171 ppm.
Currently, Laconia, New Hampshire has a sulfur dioxide (SO2) concentration of 0.596 ppb.
The current ozone (O3) level in Laconia, New Hampshire at the moment is 35.1 ppm.
Nitrogen dioxide (NO2) level in Laconia, New Hampshire at the moment is 5.99 ppb.
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