Air Quality in Valparaiso, United States
Clear
22.4°C · 46.1% humidity
22.4°
Feels 22.4°
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Valparaiso's air quality — share it
AQI Forecast
54
8am
54
54
35
11am
40
44
47
2pm
49
30
31
5pm
25
24
53
8pm
53
34
34
11pm
34
34
34
2am
34
34
27
5am
34
27
Air Quality Index Trend
45h · 109 stnValparaiso's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
46.1%
Humidity
28.4 km/h
Wind N
1019.9 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.54 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Valparaiso?
Temperature & Precipitation
PM2.5 Trend
45h · 109 stationsPM2.58.54 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX12.9
Extreme
What is the 7-day forecast for Valparaiso?
09-05
22.4° 15.9°
09-06
29.6° 17.7°
0.13 mm
09-07
23.3° 15.3°
2.87 mm
09-08
21.7° 14.6°
32.69 mm
09-09
28.1° 14.0°
0.31 mm
09-10
26.3° 15.2°
0.56 mm
09-11
32.3° 14.8°
0.63 mm
Both models agree
Avg diff: 5.9°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T16:25 UTC.