Air Quality in Caldwell, United States
Clear
12.8°C · 41.8% humidity
12.8°
Feels 12.8°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
AQI Forecast
Calibrated
20
3pm
15
14
8
6pm
0
0
0
9pm
0
0
0
12am
0
0
0
3am
8
8
8
6am
8
8
8
9am
8
8
8
12pm
20
20
Station readings
15
14
CAMS model
adj -17
37
37
37
25
12
12
12
12
12
12
12
12
12
25
25
25
25
25
25
25
25
25
37
37
PM2.5 Trend (24h)
22h · 1 station41.8%
Humidity
39.0 km/h
Wind NW
1013.5 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Caldwell?
Temperature & Precipitation
PM2.52.9 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
What is the 7-day forecast for Caldwell?
04-09
18.9° 4.6°
04-10
16.6° 6.0°
04-11
19.9° 9.2°
1.19 mm
04-12
9.1° 1.6°
1.88 mm
04-13
12.5° 2.2°
04-14
13.2° 2.5°
04-15
14.4° 3.4°
Both models agree
Avg diff: 3.9°C
What cities are near Caldwell?
Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T18:41 UTC.