Air Quality in Sector 4, Romania
Partly Cloudy
21.9°C · 60.4% humidity
21.9°
Feels 21.9°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations
Nearby Monitoring Stations
Sector 4's air quality — share it
AQI Forecast
Calibrated
38
6am
38
38
15
9am
0
0
0
12pm
0
0
0
3pm
0
0
0
6pm
0
0
6
9pm
6
6
26
12am
26
26
26
3am
38
38
Station readings
28
37
38
35
CAMS model
adj -28
66
66
66
54
27
27
25
25
25
25
25
25
25
25
27
34
34
34
54
54
54
54
66
66
Air Quality Index Trend
48h · 1 stnSector 4's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.
60.4%
Humidity
30.3 km/h
Wind E
1017.4 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
3.63 µg/m³
PM10▲
27.4 µg/m³
050100150200300500
What is the weather forecast for Sector 4?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.53.63 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX6.9
High
Station readings (8 stations within 25 km)
3.63
Median
4.48
Average
2.6
Low
8.82
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +9.9
What is the 7-day forecast for Sector 4?
06-09
26.2° 19.1°
0.5 mm
06-10
32.6° 21.0°
0.94 mm
06-11
26.2° 18.2°
1.06 mm
06-12
22.6° 19.4°
8.25 mm
06-13
27.7° 18.2°
2.87 mm
06-14
26.1° 21.0°
2.06 mm
06-15
30.5° 18.3°
2.06 mm
Both models agree
Avg diff: 3.5°C
Where are air quality stations near Sector 4?
21
Str. Rotunda, Titan, Romania
80
Str. Rotunda, Titan, Romania
24
Calea Victoriei, Cercul Militar, Romania
92
Str. Drumul Taberei, Drumul Taberei, Romania
127
Str. Lacul Morii, Lacul Morii, Romania
35
Greenfield AQI
What cities are near Sector 4?
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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 2026-06-09T06:36 UTC.