Air Quality in Center City, United States

Windy
26.3°C · 39.2% humidity
26.3°
Feels 26.3°
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
50 8pm
30
30
51 11pm
45
41
38 2am
29
27
26 5am
32
31
24 8am
24
24
23 11am
23
23
23 2pm
23
23
23 5pm
23
23
Station readings
21
30
45
CAMS model adj -4
54
34
34
34
34
34
34
27
27
27
34
34
27
27
27
27
27
27
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

47h · 1 stn

Center City's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

39.2%
Humidity
42.4 km/h
Wind WNW
1011.6 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
51
12.18 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Center City?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.512.18 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (2 stations within 25 km)
12.18
Median
10.51
Average
8.2
Low
12.83
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -2.2

What is the 7-day forecast for Center City?

08-03
27.5° 21.6°
13.69 mm
08-04
37.0° 23.2°
08-05
35.1° 22.1°
08-06
31.2° 21.8°
08-07
32.9° 21.9°
3.25 mm
08-08
37.1° 21.8°
0.13 mm
08-09
35.3° 25.6°
Both models agree Avg diff: 3.1°C

Where are air quality stations near Center City?

21
N 9th St
0.5 km PM2.5: 5.1 µg/m³
22
1401 John F Kennedy Blvd
0.5 km PM2.5: 5.2 µg/m³
22
807 Lombard St
0.9 km PM2.5: 5.3 µg/m³
27
1901 Walnut St
1.2 km PM2.5: 6.5 µg/m³
20
315 N 18th St
1.3 km PM2.5: 4.8 µg/m³
25
2100 Pine St
1.6 km PM2.5: 5.9 µg/m³
20
1358 Ridge Ave, Philadelphia, PA 19123
1.6 km PM2.5: 4.9 µg/m³
45
Annin Street, Philadlephia
1.8 km PM2.5: 10.7 µg/m³ PM10: 10.7 µg/m³
22
S Christopher Columbus Blvd
2.2 km PM2.5: 5.2 µg/m³
29
1739 E Passyunk Ave
2.7 km PM2.5: 7.0 µg/m³

What cities are near Center City?

51 Philadelphia 52 Rittenhouse 52 Point Breeze 45 Fishtown 51 Wharton 49 Pennsport 50 University City 50 Lower Moyamensing 47 Whitman 46 Hartranft
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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 2026-08-08T03:52 UTC.