Air Quality
Excellent
No health implications.
26
PM2.5
32
PM10
29
O3
1.0
CO
3
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Feb
84
Good
Fri
13 Feb
74
Good
Sat
14 Feb
65
Good
Sun
15 Feb
66
Good
Mon
16 Feb
98
Good
Tue
17 Feb
142
Light
Wed
18 Feb
26
Excellent
Air quality in the last 12 months (Sanjiang)
|
2026/01
|
29
|
43
|
49
|
55
|
30
|
48
|
54
|
56
|
70
|
89
|
76
|
97
|
98
|
97
|
124
|
139
|
128
|
104
|
67
|
25
|
36
|
45
|
53
|
64
|
87
|
31
|
40
|
63
|
77
|
25
|
25
|
|
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
|
|||
|
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