Air Quality in Carlsbad, United States
Windy
29.7°C · 54.8% humidity
29.7°
Feels 33.3°
68
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Carlsbad's air quality — share it
AQI Forecast
54
5am
54
54
68
8am
64
61
59
11am
58
57
56
2pm
55
55
55
5pm
54
54
54
8pm
54
54
54
11pm
54
54
54
2am
54
54
Air Quality Index Trend
45h · 3 stnCarlsbad's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Carlsbad is 1.4× the WHO 24-hour guideline of 15 µg/m³.
54.8%
Humidity
58.8 km/h
Wind WSW
1015.6 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
20.3 µg/m³
PM10
66.15 µg/m³
050100150200300500
What is the weather forecast for Carlsbad?
Temperature & Precipitation
PM2.5 Trend
45h · 3 stationsPM2.520.3 µg/m³
×1.4 WHO
Moderate
PM1066.15 µg/m³
Moderate
UV INDEX2.9
Moderate
What is the 7-day forecast for Carlsbad?
09-05
29.7° 18.8°
09-06
31.7° 19.6°
0.06 mm
09-07
29.8° 21.1°
09-08
30.6° 18.6°
3.25 mm
09-09
31.8° 19.2°
09-10
29.0° 13.2°
09-11
33.5° 21.3°
Both models agree
Avg diff: 3.4°C
Where are air quality stations near Carlsbad?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:06 UTC.