Air Quality in Sector 4, Romania

Clear
35.7°C · 14.0% humidity
35.7°
Feels 35.7°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
11 3pm
18
22
20 6pm
17
18
16 9pm
15
15
14 12am
14
14
13 3am
13
11
10 6am
10
10
10 9am
10
10
10 12pm
10
10
Station readings
6
18
22
CAMS model adj -14
25
25
25
25
25
27
27
27
27
27
27
27
27
27
25
24
24
24
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

47h · 3 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.

14.0%
Humidity
23.7 km/h
Wind SE
1012.5 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.81 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Sector 4?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.54.81 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (5 stations within 25 km)
4.81
Median
5.13
Average
1.45
Low
11.5
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.4

What is the 7-day forecast for Sector 4?

09-05
35.7° 17.9°
0.06 mm
09-06
26.9° 20.1°
1.44 mm
09-07
31.4° 20.1°
09-08
25.6° 16.9°
1.94 mm
09-09
29.8° 16.3°
09-10
34.1° 18.8°
0.56 mm
09-11
33.3° 14.4°
5.31 mm
Both models agree Avg diff: 5.0°C

Where are air quality stations near Sector 4?

18
Str. Rotunda, Titan, Romania
5.8 km PM2.5: 4.3 µg/m³
19
Str. Rotunda, Titan, Romania
5.8 km PM2.5: 4.6 µg/m³
18
Str. Rotunda, Titan, Romania
5.8 km PM2.5: 4.3 µg/m³
18
Calea Victoriei, Cercul Militar, Romania
6.8 km PM2.5: 4.3 µg/m³
17
Str. Drumul Taberei, Drumul Taberei, Romania
7.7 km PM2.5: 4.1 µg/m³
48
Str. Lacul Morii, Lacul Morii, Romania
11.7 km PM2.5: 11.5 µg/m³
45
Str. Lacul Morii, Lacul Morii, Romania
11.7 km PM2.5: 10.8 µg/m³
–
Greenfield AQI
17.6 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

What cities are near Sector 4?

19 Popeşti-Leordeni 21 Sector 5 18 Bucharest 18 Sector 3 20 Sector 2 20 Pantelimon 35 Sector 6 20 Voluntari 28 Sector 1 27 Buftea
Get AQI alerts for Sector 4

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:05 UTC.