PL

Air quality in Chico today

United States · Updated Thursday 18:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service

62

Poor European AQI

Consider less intense outdoor activity, especially if you have heart or lung conditions.

See Chico breathe on the live map →

Pollutants right now

PollutantValueLevel
PM2.57 µg/m³Good
PM108 µg/m³Good
NO₂2 µg/m³Good
O₃123 µg/m³Moderate

The pollutant that matters most in Chico right now is O₃.

Forecast: next 24 hours

Over the next 24 hours the air in Chico is expected to be worst around Thu 19:00 (AQI 47, moderate). The cleanest hour is expected around Thu 23:00.

Thu 19:00: AQI 47Thu 20:00: AQI 37Thu 21:00: AQI 31Thu 22:00: AQI 26Thu 23:00: AQI 22Fri 00:00: AQI 23Fri 01:00: AQI 24Fri 02:00: AQI 25Fri 03:00: AQI 26Fri 04:00: AQI 27Fri 05:00: AQI 28Fri 06:00: AQI 30Fri 07:00: AQI 31Fri 08:00: AQI 33Fri 09:00: AQI 33Fri 10:00: AQI 32Fri 11:00: AQI 31Fri 12:00: AQI 31Fri 13:00: AQI 35Fri 14:00: AQI 39Fri 15:00: AQI 41Fri 16:00: AQI 43Fri 17:00: AQI 41Fri 18:00: AQI 38Thu 19:00Fri 07:00Fri 18:00
TimeAQILevelPM2.5
Thu 19:0047Moderate6
Thu 22:0026Fair6
Fri 01:0024Fair7
Fri 04:0027Fair9
Fri 07:0031Fair11
Fri 10:0032Fair11
Fri 13:0035Fair9
Fri 16:0043Moderate7

The last 30 days

Over the last 30 days the average daily AQI in Chico was 35, with 0 day(s) rated poor or worse. The cleanest day was 3 Sept, the most polluted 21 Sept.

30 Aug: AQI 3831 Aug: AQI 381 Sept: AQI 292 Sept: AQI 283 Sept: AQI 214 Sept: AQI 225 Sept: AQI 366 Sept: AQI 317 Sept: AQI 328 Sept: AQI 379 Sept: AQI 3610 Sept: AQI 4011 Sept: AQI 3712 Sept: AQI 3413 Sept: AQI 4514 Sept: AQI 2715 Sept: AQI 3916 Sept: AQI 3717 Sept: AQI 3118 Sept: AQI 3619 Sept: AQI 3620 Sept: AQI 4121 Sept: AQI 4722 Sept: AQI 3423 Sept: AQI 4230 Aug11 Sept23 Sept

Questions and answers

Is the air in Chico good today?
Right now the European Air Quality Index in Chico is 62, which is poor. Consider less intense outdoor activity, especially if you have heart or lung conditions.
What pollutes the air in Chico?
At the moment O₃ contributes most to the air quality index in Chico. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
When will the air in Chico be cleanest?
Over the next 24 hours the air in Chico is expected to be worst around Thu 19:00 (AQI 47, moderate). The cleanest hour is expected around Thu 23:00.
Where does this data come from?
Wheezair shows model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), served by Open-Meteo: about 11 km resolution in Europe and 40 km elsewhere, updated daily. They are not station measurements, so a busy street can be worse than its city's value.

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