Air Quality in Ostrava, Czech Republic

Windy
3.1°C · 48.9% humidity
3.1°
Feels -4.4°
101
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
76 7pm
85
92
137 10pm
137
137
137 1am
137
137
115 4am
95
95
95 7am
58
34
34 10am
34
34
9 1pm
9
9
9 4pm
34
34
Station readings
76
85
92
CAMS model adj -41
136
156
156
178
178
178
178
178
178
156
136
136
136
99
75
75
75
75
50
50
50
50
75
75
AD 728×90

PM2.5 Trend (24h)

25h · 6 stations
48.9%
Humidity
57.4 km/h
Wind NE
1014.3 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.535.5 µg/m³ ×2.4 WHO
Unhealthy for sensitive groups
PM1027.45 µg/m³
Good
UV INDEX6.9
High
AD 300×250
35.5
Median
32.33
Average
15.65
Low
43.0
High
PM2.5 µg/m³ · Model: 17.65 · Bias: -17.9
04-09
5.1° 1.7°
3.88 mm
04-10
4.0° 2.5°
0.19 mm
04-11
7.5° -0.4°
04-12
8.4° -0.6°
04-13
10.4° -0.4°
04-14
9.8° 1.1°
0.88 mm
04-15
8.8° 2.2°
1.25 mm

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:55 UTC.