Air Quality in Carlsbad, United States
Drizzle
17.9°C · 80.6% humidity
17.9°
Feels 17.9°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Carlsbad's air quality — share it
AQI Forecast
54
5am
54
54
31
8am
27
27
27
11am
27
27
27
2pm
27
27
27
5pm
27
25
27
8pm
34
54
54
11pm
54
54
54
2am
54
54
Air Quality Index Trend
24h · 1 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 1.5× the WHO annual guideline of 5 µg/m³.
80.6%
Humidity
45.3 km/h
Wind ENE
1017.5 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.35 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Carlsbad?
Temperature & Precipitation
PM2.5 Trend
24h · 1 stationPM2.57.35 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX4.4
Moderate
What is the 7-day forecast for Carlsbad?
05-29
29.1° 17.9°
0.44 mm
05-30
32.7° 21.8°
0.56 mm
05-31
30.4° 17.8°
06-01
38.8° 23.6°
1.69 mm
06-02
34.2° 21.5°
06-03
34.0° 24.0°
0.13 mm
06-04
33.1° 19.5°
0.06 mm
Both models agree
Avg diff: 3.6°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T14:51 UTC.