Air Quality
Excellent
No health implications.
5
PM2.5
10
PM10
29
O3
1.1
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jan
87
Good
Tue
27 Jan
83
Good
Wed
28 Jan
85
Good
Thu
29 Jan
93
Good
Fri
30 Jan
42
Excellent
Sat
31 Jan
39
Excellent
Sun
1 Feb
49
Excellent
Air quality in the last 12 months (Sanjiang)
|
2025/12
|
77
|
84
|
82
|
72
|
61
|
76
|
80
|
68
|
80
|
90
|
101
|
86
|
27
|
42
|
58
|
66
|
66
|
64
|
73
|
73
|
69
|
82
|
63
|
26
|
52
|
57
|
59
|
64
|
76
|
78
|
89
|
|
2025/11
|
36
|
30
|
16
|
16
|
27
|
34
|
32
|
11
|
9
|
11
|
18
|
41
|
37
|
40
|
44
|
50
|
58
|
24
|
27
|
30
|
32
|
41
|
56
|
54
|
48
|
46
|
63
|
62
|
57
|
65
|
|
|
2025/10
|
34
|
28
|
26
|
31
|
33
|
22
|
23
|
30
|
35
|
35
|
36
|
44
|
50
|
35
|
36
|
34
|
39
|
25
|
11
|
10
|
12
|
21
|
33
|
39
|
45
|
49
|
40
|
46
|
55
|
65
|
41
|
|
2025/09
|
31
|
27
|
22
|
24
|
30
|
33
|
36
|
39
|
15
|
18
|
20
|
17
|
24
|
29
|
27
|
29
|
23
|
29
|
39
|
28
|
21
|
19
|
19
|
15
|
12
|
16
|
23
|
28
|
37
|
42
|
|
|
2025/08
|
25
|
26
|
22
|
25
|
23
|
13
|
13
|
20
|
25
|
26
|
27
|
31
|
35
|
30
|
13
|
25
|
22
|
23
|
18
|
17
|
18
|
21
|
27
|
33
|
26
|
27
|
26
|
22
|
30
|
28
|
28
|
|
2025/07
|
18
|
20
|
22
|
28
|
30
|
36
|
35
|
28
|
30
|
30
|
23
|
36
|
27
|
28
|
17
|
22
|
24
|
36
|
33
|
28
|
15
|
12
|
16
|
24
|
26
|
31
|
36
|
27
|
29
|
28
|
28
|
|
2025/06
|
25
|
15
|
28
|
40
|
45
|
32
|
24
|
25
|
27
|
25
|
28
|
22
|
24
|
17
|
22
|
22
|
12
|
12
|
15
|
17
|
17
|
16
|
18
|
18
|
22
|
27
|
21
|
19
|
16
|
18
|
|
|
2025/05
|
44
|
57
|
53
|
31
|
31
|
33
|
36
|
37
|
22
|
37
|
29
|
40
|
47
|
59
|
47
|
22
|
23
|
18
|
21
|
20
|
24
|
25
|
22
|
45
|
46
|
32
|
30
|
17
|
17
|
29
|
25
|
|
2025/04
|
43
|
55
|
65
|
106
|
93
|
76
|
101
|
119
|
104
|
80
|
59
|
76
|
199
|
131
|
88
|
81
|
78
|
77
|
48
|
30
|
41
|
30
|
46
|
29
|
24
|
36
|
31
|
31
|
50
|
46
|
|
|
2025/03
|
50
|
42
|
52
|
16
|
17
|
26
|
42
|
42
|
42
|
27
|
37
|
50
|
34
|
20
|
12
|
37
|
38
|
32
|
43
|
50
|
58
|
71
|
82
|
86
|
89
|
75
|
72
|
73
|
25
|
17
|
31
|
|
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
|
|
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