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Philippines AQI Analytics

OpenAQ-derived PM2.5 and PM10 history for 8 cities, mapped to AQI Now city pages and normalized to the US EPA AQI scale.

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Cities
8

with OpenAQ history

Locations
12

mapped monitors

Daily rows
1,282

2023-12-31 to 2024-12-31

Avg EPA AQI
84

32.7 ug/m3 PM2.5

Current data story

The highest average AQI in this pilot slice is Santo Tomas, with an EPA AQI average of 220 and PM2.5 around 143.4 ug/m3. Its worst month is December.

Source: OpenAQ local parquet plus raw CSV coordinate recovery. Build 2026-05-12T00:27:56.105574+00:00.

Country average
84
US EPA scale
PM2.5 32.7 ug/m3 · PM10 23.2 ug/m3

Analytics tools

Cities ranked by average AQI

CityAvg AQIPM2.5Worst monthTrendCoverage
Santo Tomas
Pampanga, Philippines
220143.4 ug/m3Decembern/a250 days · 1 locations
Iloilo
Iloilo, Philippines
7321.0 ug/m3Novembern/a208 days · 5 locations
San Fernando
Pampanga, Philippines
6919.0 ug/m3Augustn/a108 days · 1 locations
Paco
Manila, Philippines
6718.2 ug/m3Junen/a251 days · 1 locations
Magalang
Pampanga, Philippines
6718.5 ug/m3Septembern/a46 days · 1 locations
Mandaluyong City
Mandaluyong, Philippines
6216.3 ug/m3Junen/a146 days · 1 locations
Ugong
Pasig, Philippines
5914.6 ug/m3Augustn/a141 days · 1 locations
Barangka
Marikina, Philippines
5310.6 ug/m3Septembern/a132 days · 1 locations

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