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Air Quality
Lambertville · updated at 11:12Air Quality Index · US EPA scale
Moderate
Acceptable; unusually sensitive people may notice mild discomfort.
Main pollutantPM2.510.3 µg/m³53
050100150200300+
Temperature21°Humidity81%Wind7 km/h SWUV index1
Health recommendations
ModerateGeneral population
Outdoor activities are fine. If you get a cough or eye irritation, take it easier.
Sensitive groups
Very sensitive people should watch for symptoms and slow down if needed.
children, older adults, pregnant women and people with asthma, COPD or heart diseaseOutdoor exerciseGo ahead
WindowsOpen is fine
MaskNot needed
Sensitive groupsWatch symptoms
Next 24 hours
hourly AQI84O₃16:00
84O₃17:00
66O₃18:00
60PM2.519:00
60PM2.520:00
59PM2.521:00
58PM2.522:00
57PM2.523:00
Tomorrow55PM2.500:00
53PM2.501:00
52PM2.502:00
52PM2.503:00
51PM2.504:00
52PM2.505:00
52PM2.506:00
53PM2.507:00
56PM2.508:00
58PM2.509:00
60PM2.510:00
62PM2.511:00
81O₃12:00
115O₃13:00
138O₃14:00
140O₃15:00
Worst at 15:00 140Best at 04:00 51
Pollutants now
concentration · sub-indexWhat it isPM2.5
Fine particles under 2.5 µm — small enough to reach the lungs and bloodstream. They come from wildfires, diesel engines, industry and smoke, and are the pollutant most linked to heart and lung disease.
WHO 2021 guideline: 15.0 µg/m³ (24-h mean)What it isPM10
Inhalable particles up to 10 µm: road and construction dust, pollen, soot and sea salt. They irritate the nose, throat and airways and worsen asthma and bronchitis.
WHO 2021 guideline: 45.0 µg/m³ (24-h mean)What it isOzone (O₃)
Ground-level ozone forms when sunlight reacts with vehicle and industrial gases. It peaks on hot, sunny afternoons and causes coughing, chest pain and reduced lung function during exercise.
WHO 2021 guideline: 100 µg/m³ (24-h mean)What it isNitrogen dioxide (NO₂)
A gas produced mainly by fuel burning in cars, trucks and power plants. Highest near busy roads. It inflames the airways and increases asthma attacks.
WHO 2021 guideline: 25.0 µg/m³ (24-h mean)What it isSulfur dioxide (SO₂)
A gas released by burning coal and oil in industry, refineries and ships. It irritates the eyes and airways; people with asthma are especially sensitive.
WHO 2021 guideline: 40.0 µg/m³ (24-h mean)What it isCarbon monoxide (CO)
A colourless, odourless gas from incomplete combustion — vehicle exhaust, stoves and fires. It reduces the blood's ability to carry oxygen and is dangerous in enclosed spaces.
WHO 2021 guideline: 4000 µg/m³ (24-h mean)Tap a day to see it hour by hour
Today01/10
24°16°Moderate84max
Today01/1024°16°
24°16°Moderate
84maxHour by hourAQI · PM2.5 · main
00:006315µg/m³PM2.5
01:006315µg/m³PM2.5
02:006215µg/m³PM2.5
03:006114µg/m³PM2.5
04:006014µg/m³PM2.5
05:005813µg/m³PM2.5
06:005813µg/m³PM2.5
07:005612µg/m³PM2.5
08:005612µg/m³PM2.5
09:005712µg/m³PM2.5
10:005511µg/m³PM2.5
11:005310µg/m³PM2.5
12:005210µg/m³PM2.5
13:005310µg/m³PM2.5
14:005511µg/m³PM2.5
15:007112µg/m³O₃
16:008412µg/m³O₃
17:008412µg/m³O₃
18:006613µg/m³O₃
19:006014µg/m³PM2.5
20:006014µg/m³PM2.5
21:005914µg/m³PM2.5
22:005813µg/m³PM2.5
23:005712µg/m³PM2.5
Worst at 16:00Best at 12:00
Tomorrow02/1029°18°Unhealthy for sensitive groups140max
Tomorrow02/1029°18°
29°18°Unhealthy for sensitive groups
140maxHour by hourAQI · PM2.5 · main
00:005511µg/m³PM2.5
01:005310µg/m³PM2.5
02:005210µg/m³PM2.5
03:00529µg/m³PM2.5
04:00519µg/m³PM2.5
05:00529µg/m³PM2.5
06:005210µg/m³PM2.5
07:005310µg/m³PM2.5
08:005612µg/m³PM2.5
09:005813µg/m³PM2.5
10:006014µg/m³PM2.5
11:006215µg/m³PM2.5
12:008116µg/m³O₃
13:0011516µg/m³O₃
14:0013814µg/m³O₃
15:0014013µg/m³O₃
16:0012913µg/m³O₃
17:0010913µg/m³O₃
18:008413µg/m³O₃
19:005712µg/m³PM2.5
20:005310µg/m³PM2.5
21:00519µg/m³PM2.5
22:00448µg/m³PM2.5
23:00316µg/m³PM2.5
Worst at 15:00Best at 23:00
Sat03/1022°13°Moderate75max
Sat03/1022°13°
22°13°Moderate
75maxHour by hourAQI · PM2.5 · main
00:00244µg/m³O₃
01:00253µg/m³O₃
02:00253µg/m³O₃
03:00243µg/m³O₃
04:00234µg/m³O₃
05:00224µg/m³O₃
06:00223µg/m³O₃
07:00213µg/m³O₃
08:00214µg/m³PM2.5
09:00224µg/m³PM2.5
10:00244µg/m³PM2.5
11:00265µg/m³PM2.5
12:00295µg/m³PM2.5
13:00316µg/m³PM2.5
14:00326µg/m³PM2.5
15:00356µg/m³PM2.5
16:00387µg/m³PM2.5
17:00458µg/m³PM2.5
18:005411µg/m³PM2.5
19:006215µg/m³PM2.5
20:006919µg/m³PM2.5
21:007321µg/m³PM2.5
22:007522µg/m³PM2.5
23:007522µg/m³PM2.5
Worst at 22:00Best at 07:00
Sun04/1017°13°Moderate75max
Sun04/1017°13°
17°13°Moderate
75maxHour by hourAQI · PM2.5 · main
00:007522µg/m³PM2.5
01:007421µg/m³PM2.5
02:007220µg/m³PM2.5
03:007120µg/m³PM2.5
04:006919µg/m³PM2.5
05:006818µg/m³PM2.5
06:006718µg/m³PM2.5
07:006617µg/m³PM2.5
08:006516µg/m³PM2.5
09:006115µg/m³PM2.5
10:005612µg/m³PM2.5
11:005210µg/m³PM2.5
12:00489µg/m³PM2.5
13:00499µg/m³PM2.5
14:00519µg/m³PM2.5
15:00519µg/m³PM2.5
16:00509µg/m³PM2.5
17:00519µg/m³PM2.5
18:005210µg/m³PM2.5
19:005411µg/m³PM2.5
20:005712µg/m³PM2.5
21:005913µg/m³PM2.5
22:006014µg/m³PM2.5
23:006114µg/m³PM2.5
Worst at 00:00Best at 12:00
Index scale
US EPA · 0 to 5000 – 50
GoodClean air, no risk for anyone.
51 – 100
ModerateAcceptable; unusually sensitive people may notice mild discomfort.
101 – 150
Unhealthy for sensitive groupsChildren, older adults and people with heart or lung disease may have symptoms.
151 – 200
UnhealthyEveryone may feel effects; sensitive groups, more serious ones.
201 – 300
Very unhealthyHealth alert: increased risk for the whole population.
301 – 500
HazardousEmergency: the entire population is likely to be affected.
Index computed with the US EPA method from concentrations modelled by CAMS (Copernicus). These are model estimates, not station measurements; for official data check your local environmental agency.
Nearby counties
New JerseyNearby cities
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Air quality in Lambertville (NJ)
Air quality in Lambertville (New Jersey) with up-to-date data for today, tomorrow and the day after: air quality index (AQI), fine particulate matter PM2.5 and PM10, ozone (O₃), nitrogen dioxide (NO₂), sulfur dioxide (SO₂) and carbon monoxide (CO). Find out whether the air is Good, Moderate, Unhealthy or Hazardous and make safer decisions for outdoor activities.
