Air Quality in Sector 4, Romania

Rain
19.8°C · 78.7% humidity
19.8°
Feels 19.8°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 9pm
17
17
18 12am
16
14
11 3am
10
10
9 6am
9
9
8 9am
8
8
8 12pm
8
8
8 3pm
8
8
8 6pm
8
8
Station readings
1
5
12
CAMS model adj -17
27
34
34
27
27
27
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

38h · 1 stn

Sector 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.

78.7%
Humidity
31.5 km/h
Wind WSW
1013.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
18
4.17 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Sector 4?

Temperature & Precipitation

PM2.5 Trend

38h · 1 station
PM2.54.17 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (7 stations within 25 km)
4.17
Median
4.1
Average
2.11
Low
6.7
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +2.1

What is the 7-day forecast for Sector 4?

05-29
23.5° 14.2°
05-30
23.5° 19.8°
5.06 mm
05-31
22.3° 14.4°
0.19 mm
06-01
23.2° 18.8°
1.31 mm
06-02
29.2° 18.4°
3.31 mm
06-03
25.8° 15.2°
0.06 mm
06-04
26.3° 15.4°
Both models agree Avg diff: 4.0°C

Where are air quality stations near Sector 4?

14
Str. Rotunda, Titan, Romania
5.8 km PM2.5: 3.4 µg/m³
42
Str. Rotunda, Titan, Romania
5.8 km PM2.5: 10.1 µg/m³
149
Calea Victoriei, Cercul Militar, Romania
6.8 km PM2.5: 55.0 µg/m³
34
Str. Drumul Taberei, Drumul Taberei, Romania
7.7 km PM2.5: 8.2 µg/m³
27
Str. Lacul Morii, Lacul Morii, Romania
11.7 km PM2.5: 6.5 µg/m³
12
Greenfield AQI
17.6 km PM2.5: 3.0 µg/m³ PM10: 3.5 µg/m³

What cities are near Sector 4?

18 Popeşti-Leordeni 16 Sector 5 13 Bucharest 19 Sector 3 17 Sector 2 18 Pantelimon 21 Sector 6 17 Voluntari 19 Sector 1 19 Buftea
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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 2026-05-29T21:38 UTC.