Air Quality in Carlsbad, United States
Windy
29.7°C · 40.9% humidity
29.7°
Feels 31.3°
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
1pm
54
54
68
4pm
64
61
59
7pm
58
57
56
10pm
55
55
55
1am
54
54
54
4am
54
54
54
7am
54
54
54
10am
54
54
Air Quality Index Trend
46h · 4 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.
40.9%
Humidity
46.5 km/h
Wind SW
1009.9 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
20.3 µg/m³
PM10
41.15 µg/m³
050100150200300500
What is the weather forecast for Carlsbad?
Temperature & Precipitation
PM2.5 Trend
46h · 4 stationsPM2.520.3 µg/m³
×1.4 WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX17.4
Extreme
What is the 7-day forecast for Carlsbad?
08-03
29.7° 16.9°
08-04
30.7° 19.9°
0.31 mm
08-05
31.2° 17.7°
0.06 mm
08-06
29.0° 15.1°
08-07
29.0° 17.0°
08-08
30.6° 16.9°
08-09
28.4° 14.1°
Both models agree
Avg diff: 3.0°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 2026-08-07T23:58 UTC.