Air Quality
Excellent
No health implications.
14
PM2.5
32
PM10
79
O3
0.4
CO
8
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
43
Excellent
Sat
10 May
45
Excellent
Sun
11 May
68
Good
Mon
12 May
74
Good
Tue
13 May
84
Good
Wed
14 May
53
Good
Thu
15 May
38
Excellent
Air quality in the last 12 months (Sanjiang)
|
2025/02
|
12
|
12
|
37
|
63
|
58
|
47
|
35
|
66
|
47
|
58
|
99
|
92
|
67
|
76
|
40
|
34
|
34
|
33
|
25
|
13
|
43
|
17
|
26
|
72
|
53
|
43
|
29
|
48
|
|||
|
2025/01
|
103
|
97
|
94
|
120
|
126
|
95
|
78
|
81
|
49
|
54
|
54
|
71
|
71
|
73
|
71
|
67
|
70
|
85
|
87
|
86
|
104
|
111
|
129
|
149
|
64
|
24
|
46
|
66
|
129
|
84
|
42
|
|
2024/12
|
62
|
78
|
87
|
104
|
58
|
20
|
27
|
49
|
80
|
20
|
29
|
58
|
59
|
59
|
41
|
50
|
75
|
65
|
80
|
90
|
90
|
91
|
93
|
91
|
94
|
96
|
82
|
93
|
97
|
116
|
88
|
|
2024/11
|
47
|
68
|
75
|
73
|
73
|
69
|
53
|
50
|
56
|
65
|
62
|
64
|
69
|
72
|
71
|
61
|
36
|
18
|
17
|
21
|
28
|
35
|
44
|
47
|
45
|
22
|
34
|
40
|
43
|
55
|
|
|
2024/10
|
27
|
42
|
54
|
50
|
48
|
55
|
62
|
44
|
43
|
49
|
56
|
66
|
75
|
58
|
37
|
32
|
40
|
35
|
19
|
18
|
25
|
20
|
29
|
31
|
37
|
45
|
33
|
44
|
53
|
52
|
51
|
|
2024/09
|
31
|
30
|
32
|
34
|
45
|
38
|
28
|
24
|
28
|
30
|
32
|
37
|
37
|
34
|
37
|
35
|
36
|
37
|
38
|
36
|
29
|
30
|
36
|
42
|
50
|
51
|
45
|
48
|
47
|
48
|
|
|
2024/08
|
12
|
18
|
20
|
23
|
27
|
27
|
27
|
25
|
24
|
24
|
19
|
25
|
24
|
33
|
45
|
40
|
30
|
39
|
40
|
25
|
23
|
18
|
18
|
21
|
25
|
28
|
31
|
33
|
34
|
34
|
40
|
|
2024/07
|
20
|
12
|
20
|
19
|
16
|
17
|
18
|
17
|
20
|
23
|
22
|
22
|
24
|
20
|
22
|
24
|
19
|
16
|
13
|
20
|
27
|
23
|
21
|
26
|
29
|
32
|
35
|
14
|
16
|
20
|
13
|
|
2024/06
|
24
|
23
|
33
|
16
|
16
|
20
|
28
|
29
|
28
|
24
|
20
|
19
|
16
|
19
|
22
|
21
|
13
|
10
|
18
|
23
|
22
|
29
|
22
|
19
|
10
|
16
|
16
|
19
|
15
|
12
|
|
|
2024/05
|
16
|
27
|
20
|
18
|
21
|
38
|
41
|
47
|
39
|
35
|
28
|
36
|
55
|
56
|
59
|
59
|
56
|
40
|
17
|
21
|
26
|
39
|
40
|
36
|
39
|
18
|
20
|
32
|
36
|
25
|
18
|
|
2024/04
|
54
|
63
|
46
|
19
|
16
|
15
|
20
|
31
|
41
|
47
|
41
|
48
|
45
|
46
|
60
|
53
|
29
|
24
|
30
|
22
|
27
|
44
|
39
|
41
|
42
|
30
|
29
|
45
|
58
|
18
|
|
|
2024/03
|
60
|
50
|
56
|
33
|
32
|
52
|
56
|
51
|
58
|
49
|
39
|
51
|
40
|
41
|
30
|
34
|
49
|
19
|
44
|
79
|
82
|
63
|
41
|
47
|
33
|
23
|
57
|
32
|
39
|
57
|
46
|
|
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