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Sweden AQI Analytics

OpenAQ-derived PM2.5 and PM10 history for 31 cities, mapped to AQI Now city pages and normalized to the US EPA AQI scale.

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Cities
31

with OpenAQ history

Locations
130

mapped monitors

Daily rows
8,847

2024-01-01 to 2024-12-31

Avg EPA AQI
23

5.5 ug/m3 PM2.5

Current data story

The highest average AQI in this pilot slice is Malmö, with an EPA AQI average of 35 and PM2.5 around 7.0 ug/m3. Its worst month is March.

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

Country average
23
US EPA scale
PM2.5 5.5 ug/m3 · PM10 13.4 ug/m3

Analytics tools

Cities ranked by average AQI

CityAvg AQIPM2.5Worst monthTrendCoverage
Malmö
Skåne, Sweden
357.0 ug/m3Marchn/a333 days · 3 locations
Gothenburg
Vastra Gotaland, Sweden
347.0 ug/m3Marchn/a310 days · 11 locations
Kalmar
Kalmar, Sweden
347.0 ug/m3Marchn/a309 days · 3 locations
Visby
Gotland, Sweden
346.6 ug/m3Marchn/a365 days · 6 locations
Skellefteå
Västerbotten, Sweden
346.4 ug/m3Apriln/a206 days · 4 locations
Malmo
Vastra Gotaland, Sweden
336.5 ug/m3Marchn/a325 days · 1 locations
Tumba
Stockholm, Sweden
336.5 ug/m3Marchn/a294 days · 2 locations
Linköping
Östergötland, Sweden
305.8 ug/m3Marchn/a362 days · 3 locations
Norrköping
Östergötland, Sweden
295.7 ug/m3Marchn/a363 days · 5 locations
Stockholm
Stockholm, Sweden
285.4 ug/m3Marchn/a365 days · 27 locations
Östersund
Jämtland, Sweden
285.5 ug/m3Apriln/a289 days · 2 locations
Klippansbruk
Skåne, Sweden
285.6 ug/m3Marchn/a153 days · 6 locations
Säter
Dalarna, Sweden
275.3 ug/m3Marchn/a305 days · 2 locations
Sundsvall
Västernorrland, Sweden
275.1 ug/m3Mayn/a340 days · 5 locations
Täby
Stockholm, Sweden
264.8 ug/m3Marchn/a310 days · 5 locations
Uppsala
Uppsala, Sweden
254.7 ug/m3Mayn/a360 days · 1 locations
Umeå
Västerbotten, Sweden
255.1 ug/m3Mayn/a274 days · 4 locations
Uppsala
Stockholm, Sweden
244.6 ug/m3Marchn/a313 days · 6 locations
Upplands Väsby
Stockholm, Sweden
244.4 ug/m3Marchn/a335 days · 4 locations
Norrtälje
Stockholm, Sweden
234.3 ug/m3Marchn/a326 days · 3 locations
Åkersberga
Stockholm, Sweden
173.0 ug/m3Decembern/a25 days · 1 locations
Västerås
Västmanland, Sweden
16n/a ug/m3Marchn/a300 days · 2 locations
Piteå
Norrbotten, Sweden
15n/a ug/m3Mayn/a310 days · 4 locations
Kungsbacka
Halland, Sweden
155.6 ug/m3Januaryn/a310 days · 1 locations

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