Links

Sensors:

GY-BME280 (t, RH, pressure)
http://s.click.aliexpress.com/e/cUBsRctw

Anemometer
http://s.click.aliexpress.com/e/cUa2ymd2

Nova PM2.5 PM10 sensor SDS011
http://s.click.aliexpress.com/e/baG4bnfw

PM 1, 2.5, 10 (PMS5003)
http://s.click.aliexpress.com/e/c86amQVS

PMS7003
http://s.click.aliexpress.com/e/cWX5VPtm

CO2 sensor:
https://www.aliexpress.com/item/MH-Z19B-Infrared-CO2-Sensor-for-CO2-Monitor-NDIR-Gas-Sensor-CO2-gas-sensor/32823821163.html

0-5000ppm only
http://s.click.aliexpress.com/e/I9InrY8

CO, TVOC eCO2 sensor (CJM-811) $8
https://www.aliexpress.com/item/CJMCU-811-CCS811-Carbon-Monoxide-CO-VOCs-Air-Quality-Numerical-Gas-Sensor-Module/32846769569.html

CJMCU-1100 MS1100 MS-1100 VOC Gas Sensor Module Formaldehyde Benzene Concentration Gas
http://s.click.aliexpress.com/e/b2JJdRTS

UV sensor
http://s.click.aliexpress.com/e/cPAtjtPS

Formaldehyde sensor
http://s.click.aliexpress.com/e/cgDYBWGC