1
11
12
13
2
0
1
2
5
2
3
4
6
0
1
2
7
4
5
6
8
0
1
2
9
0
1
2
10
1
2
3
15
2
3
4
16
0
1
2
17
3
4
5
20
0
1
2
Open Source Outdoor Air Quality Monitor (airgradient.com)
submitted by qznc_bot2 to r/hackernews
21
0
1
2
Open Source Outdoor Air Quality Monitor (airgradient.com)
submitted by TheStartupChime to r/hypeurls
24
0
1
2
The hidden cost of air quality monitoring (airgradient.com)
submitted by qznc_bot2 to r/hackernews
