Hunan - China   2022-05-21   Saturday   26.16N, 109.78E

Tongdao

Hunan - China
2022-05-21

Air Quality

Excellent

No health implications.

21

PM2.5

24

PM10

29

O3

0.6

CO

9

SO2

15

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

21 May

42 Excellent

Sun

22 May

39 Excellent

Mon

23 May

40 Excellent

Tue

24 May

46 Excellent

Wed

25 May

48 Excellent

Thu

26 May

48 Excellent

Monthly Average AQI (Tongdao)

2017/05 - 2022/04

Air quality in the last 12 months (Tongdao)

2022/04
28
34
49
51
67
53
55
60
67
73
67
63
30
33
23
23
25
27
42
52
51
40
36
38
28
30
35
41
25
25
2022/03
85
61
82
74
83
65
39
62
61
67
62
64
53
68
69
69
33
26
50
48
22
14
20
30
28
24
30
38
51
39
20
2022/02
75
42
44
49
46
40
18
33
24
30
21
31
36
33
48
44
13
13
38
56
32
23
34
43
49
59
63
99
2022/01
63
71
94
88
72
36
15
15
25
31
48
88
87
86
58
46
35
49
46
64
55
29
13
17
20
17
14
16
32
45
48
2021/12
47
53
59
58
57
66
71
93
122
119
120
56
63
77
85
76
46
54
56
65
69
66
74
94
39
22
47
40
40
57
63
2021/11
37
39
52
34
35
30
15
30
33
41
49
51
54
59
57
40
34
52
58
31
25
38
55
56
49
50
54
69
83
65
2021/10
46
50
39
39
44
51
40
36
27
16
19
26
34
29
21
21
23
36
38
14
19
24
42
47
52
61
61
67
39
52
42
2021/09
37
35
37
34
38
40
33
41
41
48
50
49
54
50
45
39
33
28
27
25
34
33
31
25
22
33
44
49
41
36
2021/08
43
48
52
47
41
31
37
37
34
23
19
21
24
18
18
16
25
30
28
28
31
29
26
28
29
30
24
31
27
27
31
2021/07
21
18
20
25
31
40
36
23
23
29
32
30
27
26
25
32
41
32
38
33
31
29
37
35
33
38
40
41
38
37
37
2021/06
48
34
33
32
41
50
52
55
63
51
36
34
24
16
17
25
23
26
30
31
35
37
47
49
36
27
26
27
18
16
2021/05
50
50
24
32
63
58
45
25
40
35
29
27
26
25
29
23
19
17
18
17
22
34
34
27
45
41
22
27
25
25
34
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
  • Excellent
  • Good
  • Lightly
  • Moderately
  • Heavily
  • Severely
Air quality source: CNEMC

*: primary pollution