Air Pollution in San Joaquin County: Real-time Air Quality Index and smog alert.

The latest data Last 7 days San Joaquin County pollution March 2016 - May 2020
Current data from stations: TracyAP
Locations: « California San Joaquin County Carbona »
Pollution and air quality forecast for San Joaquin County. Today is Tuesday, May 7, 2024. The following air pollution values have been recorded for San Joaquin County:
  1. ozone (O3) - 0 (Good)
  2. particulate matter (PM10) suspended dust - 10 (Good)
  3. particulate matter (PM2.5) dust - 7 (Good)
  4. nitrogen dioxide (NO2) - 0 (Good)
Real-time Air Quality Index (AQI) for San Joaquin County, Tuesday, April 16, 2024: 1.

air quality index: 0
AQI 1 Good

What is the air quality in San Joaquin County today? Is the air polluted in San Joaquin County?. Is there smog?

Today (Tuesday, April 16, 2024) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in San Joaquin County.


How is the O3 level today in San Joaquin County? (ozone (O3))
0 (Good)

What is the level of PM10 today in San Joaquin County? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in San Joaquin County is: 10 (Good) The highest PM10 values usually occur in month: 59 (November 2018). The lowest value of particulate matter PM10 pollution in San Joaquin County is usually recorded in: February (8.2).

What is the current level of PM2.5 in San Joaquin County? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 7 (Good) For comparison, the highest level of PM2.5 in San Joaquin County in the last 7 days was: 7 (Thursday, April 11, 2024) and the lowest: 1 (Sunday, April 14, 2024). The highest PM2.5 values were recorded: 41 (November 2018). The lowest level of particulate matter PM2.5 pollution occurs in month: April (2.9).

How high is the level of NO2? (nitrogen dioxide (NO2))
0 (Good)



Current data Tuesday, April 16, 2024, 9:00 AM

O3 0 (Good)

PM10 10 (Good)

PM2,5 7 (Good)

0 (Good)

0 (Good)

NO2 0 (Good)

Data on air pollution from recent days in San Joaquin County

index 2024-04-09 2024-04-10 2024-04-11 2024-04-12 2024-04-13 2024-04-14 2024-04-15 2024-04-16
no 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good
no2 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good
pm25 4
Good		 5
Good		 7
Good		 4
Good		 3
Good		 1
Good		 2
Good		 3
Good
nox 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good
o3 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good
pm10 14
Good		 15
Good		 19
Good		 19
Good		 7
Good		 2
Good		 4
Good		 8
Good
data source »
Air pollution in San Joaquin County from March 2016 to May 2020
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2016-09 2016-08 2016-03
no2:ppm 0 (Good) 0 (Good) 0 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0.01 (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good)
o3:ppm 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.04 (Good)
pm10 23 (Moderate) 14 (Good) 13 (Good) 20 (Moderate) 12 (Good) 9.2 (Good) 35 (Moderate) 38 (Moderate) 22 (Moderate) 24 (Moderate) 21 (Moderate) 22 (Moderate) 18 (Good) 17 (Good) 10 (Good) 8.2 (Good) 12 (Good) 10 (Good) 59 (Unhealthy for Sensitive Groups) 29 (Moderate) 37 (Moderate) 38 (Moderate) 26 (Moderate) 25 (Moderate) 21 (Moderate) 17 (Good) 8.5 (Good) 14 (Good) 14 (Good) 24 (Moderate) 16 (Good) 49 (Moderate) 37 (Moderate) 34 (Moderate) 25 (Moderate) 22 (Moderate) 21 (Moderate) 15 (Good) 38 (Moderate) 29 (Moderate) - (Good)
pm25 6.2 (Good) 5.1 (Good) 5.3 (Good) 8.4 (Good) 8.9 (Good) 6.2 (Good) 9.5 (Good) 6.3 (Good) 4.3 (Good) 5.7 (Good) 5.8 (Good) 5.3 (Good) 5 (Good) 4.7 (Good) 5.1 (Good) 6.2 (Good) 11 (Good) 11 (Good) 41 (Unhealthy for Sensitive Groups) 9.2 (Good) 11 (Good) 21 (Moderate) 9.9 (Good) 4.7 (Good) 4.4 (Good) 6.4 (Good) 3.4 (Good) 4.7 (Good) 12 (Good) 17 (Moderate) 7.8 (Good) 10 (Good) 10 (Good) 9.8 (Good) 6.3 (Good) 4.3 (Good) 4.6 (Good) 2.9 (Good) 10 (Good) 6.5 (Good) - (Good)
data source »

TracyAP

Tuesday, April 16, 2024, 9:00 AM

O3 0.03 (Good)

ozone (O3)

PM10 10 (Good)

particulate matter (PM10) suspended dust

PM2,5 7 (Good)

particulate matter (PM2.5) dust

0 (Good)

index_name_no

0 (Good)

index_name_nox

NO2 0 (Good)

nitrogen dioxide (NO2)

TracyAP

index 2024-04-16 2024-04-15 2024-04-14 2024-04-13 2024-04-12 2024-04-11 2024-04-10 2024-04-09
no 0 0 0 0 0 0 0 0
no2 0 0 0 0 0.01 0 0.01 0
pm25 2.8 1.9 1.4 2.5 4.5 6.9 5.1 3.6
nox 0 0 0 0 0.01 0 0.01 0.01
o3 0.03 0.03 0.04 0.04 0.03 0.03 0.03 0.03
pm10 7.9 3.7 1.7 6.9 19 19 15 14

TracyAP

2016-03   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2016-09 2016-08 2016-03
o3:ppm 0.04 0.03 0.03 0.03 0.02 0.02 0.04 0.04 0.03 0.03 0.04 0.04 0.04 0.04 0.04 0.03 0.02 0.02 0.02 0.03 0.04 0.04 0.04 0.04 0.04 0.04 0.03 0.03 0.02 0.03 0.02 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.03 0.04
pm25 6.2 5.1 5.3 8.4 8.9 6.2 9.5 6.3 4.3 5.7 5.8 5.3 5 4.7 5.1 6.2 11 11 41 9.2 11 21 9.9 4.7 4.4 6.4 3.4 4.7 12 17 7.8 10 10 9.8 6.3 4.3 4.6 2.9 10 6.5 -
pm10 23 14 13 20 12 9.2 35 38 22 24 21 22 18 17 10 8.2 12 10 59 29 37 38 26 25 21 17 8.5 14 14 24 16 49 37 34 25 22 21 15 38 29 -
no2:ppm 0 0 0 0.01 0.01 0.01 0.01 0 0 0 0 0 0 0 0 0 0.01 - - - - - - - - - - - - - - - - - - - - - - - -

* Pollution data source: https://openaq.org (AirNow) The data is licensed under CC-By 4.0