Air Quality in San Mateo, Philippines

Rain
25.1°C · 93.5% humidity
25.1°
Feels 25.1°
73
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
42 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
45 6am
28
16
73 9am
57
45
37 12pm
31
27
24 3pm
22
20
19 6pm
2
1
29 9pm
29
29
45 12am
45
45
45 3am
45
28
Station readings
33
35
32
CAMS model adj -38
83
66
54
54
54
54
54
54
54
54
54
54
54
34
34
66
66
66
83
83
83
83
83
66
AD 728×90

Air Quality Index Trend

47h · 1 stn

San Mateo's air quality is affected by vehicle emissions, industrial activity, and periodic transboundary haze from agricultural burning. The dry season tends to produce elevated particulate levels. Current PM2.5 concentration in San Mateo is 1.5× the WHO 24-hour guideline of 15 µg/m³.

93.5%
Humidity
40.5 km/h
Wind SW
1006.5 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
73
22.72 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.522.72 µg/m³ ×1.5 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX6.9
High
AD 300×250
22.72
Median
19.01
Average
8.01
Low
34.24
High
PM2.5 µg/m³ · Model: 13.5 · Bias: -9.2
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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 2026-06-09T01:02 UTC.