Diurnal and inter-annual variability of surface ozone in Baicheng region, China

Figures & data

Fig. 1. Changes in ozone concentration in Jilin province between 2015 and 2019.

Table 1. Comprehensive indicators of various pollutants in 2015–2019.

Pollutant	Min	Max	Mean	SD
O3 (μg/m^3)	17	213	83	31
SO2 (μg/m^3)	1	69	12	10
NO2 (μg/m^3)	2	67	18	9
CO (mg/m^3)	0.1	1.9	0.6	0.3
PM10 (μg/m^3)	4	873	62	46
PM2.5 (μg/m^3)	2	313	38	29

Fig. 2. Diurnal (a) and monthly (b) mean O₃ concentration in five years.

Fig. 3. 24-hour average monthly concentration change chart for 2015–2019. Y axis represents month, X axis represents time.

Fig. 4. Seasonal variation of O3 concentration for 2015–2019.

Fig. 5. Seasonal variation of average temperature for 2010–2019.

Fig. 6. Spring variation of NOx for 2015–2019.

Fig. 7. 2016–2018 ozone eight-hour moving average.

Fig. 8. Correlation between ozone temperature and other indicators.

Fig. 9. Monthly variation values of O₃ with NO, NO₂, and NOx.