Characteristics of PM2.5 and CO2 Concentrations in Typical Functional Areas of a University Campus in Beijing Based on Low-Cost Sensor Monitoring
Abstract
:1. Introduction
2. Data and Methods
2.1. Campus and Its Typical Functional Zone Overview
2.2. Sampling
2.2.1. Sampling in Typical Residential Dormitory Environment
2.2.2. Sampling in Campus Typical Functional Area
2.2.3. Other Air Pollutant Data
3. Results and Discussions
3.1. Indoor and Outdoor Characteristics of PM2.5 and CO2 Concentrations
3.2. PM2.5 and CO2 Concentration Characteristics in Typical Campus Functional Areas
3.2.1. Office
3.2.2. Dormitory
3.2.3. Lake Ming
3.2.4. Canteen
3.2.5. Laboratory
3.3. The Impact of Surrounding Air Pollution on the Pollution within the Campus
3.4. Average Pollution Characteristics across Different Functional Areas on Campus
3.5. Variations in PM2.5 Concentration across Different Campus Functional Areas
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Non-Heating Season | Heating Season | ||||
---|---|---|---|---|---|
R2 | Slope | R2 | Slope | ||
NO2_GY vs. PM2.5_GY | Office | 0.95 | 2.12 | 0.66 | 0.82 |
Dormitory | 0.5 | 1.54 | 0.85 | 0.24 | |
Lake Ming | 0.44 | 0.90 | 0.64 | −0.94 | |
Canteen | 0.99 | 2.61 | 0.90 | 0.75 | |
Laboratory | 0.29 | 0.75 | 0.62 | 1.47 | |
O3_GY vs. PM2.5_GY | Office | 0.95 | −4.72 | 0.21 | −0.37 |
Dormitory | 0.41 | −1.42 | 0.97 | −0.34 | |
Lake Ming | 0.98 | −4.05 | 0.74 | 1.10 | |
Canteen | 0.94 | −6.99 | 0.57 | −0.78 | |
Laboratory | 0.10 | −0.59 | 0.46 | −1.12 | |
PM2.5_BJTU vs. PM2.5_ GY | Office | 0.11 | −0.20 | 0.91 | 0.28 |
Dormitory | 0.49 | 0.71 | 0.89 | 0.08 | |
Lake Ming | 0.21 | −0.45 | 0.86 | 0.58 | |
Canteen | 0.82 | 1.35 | 0.78 | 0.40 | |
Laboratory | 0.94 | 0.56 | 0.85 | 0.37 | |
CO2_BJTU vs. CO_GY | Office | 0.89 | 215 | 0.51 | 112.67 |
Dormitory | 0.18 | 1585.71 | 0.63 | −2490.38 | |
Lake Ming | 0.27 | 152.50 | 0.64 | −226.43 | |
Canteen | 0.62 | 128.57 | 0.26 | 10.90 | |
Laboratory | 0.81 | 130.31 | 0.77 | 138.49 | |
CO2_BJTU vs. PM2.5_BJTU | Office | 0.19 | −3.32 | 0.48 | 4.79 |
Dormitory | 0.07 | −22.82 | 0.81 | −102.95 | |
Lake Ming | 0.39 | 2.62 | 0.34 | −6.53 | |
Canteen | 0.44 | 3.45 | 0.41 | 1.64 | |
Laboratory | 0.73 | 3.00 | 0.69 | 4.29 |
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Wang, Q.; Ao, R.; Chen, H.; Li, J.; Wei, L.; Wang, Z. Characteristics of PM2.5 and CO2 Concentrations in Typical Functional Areas of a University Campus in Beijing Based on Low-Cost Sensor Monitoring. Atmosphere 2024, 15, 1044. https://doi.org/10.3390/atmos15091044
Wang Q, Ao R, Chen H, Li J, Wei L, Wang Z. Characteristics of PM2.5 and CO2 Concentrations in Typical Functional Areas of a University Campus in Beijing Based on Low-Cost Sensor Monitoring. Atmosphere. 2024; 15(9):1044. https://doi.org/10.3390/atmos15091044
Chicago/Turabian StyleWang, Qingqing, Ruoxi Ao, Hongwei Chen, Jialin Li, Lianfang Wei, and Zifa Wang. 2024. "Characteristics of PM2.5 and CO2 Concentrations in Typical Functional Areas of a University Campus in Beijing Based on Low-Cost Sensor Monitoring" Atmosphere 15, no. 9: 1044. https://doi.org/10.3390/atmos15091044