Air Quality
Excellent
No health implications.
7
PM2.5
23
PM10
52
O3
0.3
CO
9
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Dec
54
Good
Mon
15 Dec
57
Good
Tue
16 Dec
50
Excellent
Wed
17 Dec
56
Good
Thu
18 Dec
56
Good
Fri
19 Dec
60
Good
Sat
20 Dec
38
Excellent
Air quality in the last 12 months (Tianjun)
|
2025/11
|
41
|
39
|
34
|
31
|
46
|
98
|
110
|
97
|
56
|
51
|
46
|
48
|
41
|
40
|
42
|
28
|
42
|
36
|
37
|
38
|
37
|
41
|
67
|
55
|
43
|
83
|
36
|
38
|
30
|
48
|
|
|
2025/10
|
36
|
27
|
40
|
36
|
47
|
32
|
30
|
27
|
26
|
24
|
22
|
22
|
26
|
33
|
42
|
41
|
44
|
49
|
53
|
38
|
38
|
48
|
43
|
39
|
43
|
40
|
33
|
30
|
42
|
42
|
43
|
|
2025/09
|
44
|
55
|
59
|
46
|
51
|
55
|
47
|
46
|
46
|
45
|
45
|
48
|
62
|
50
|
102
|
59
|
42
|
37
|
37
|
46
|
43
|
130
|
50
|
38
|
37
|
45
|
49
|
38
|
38
|
39
|
|
|
2025/08
|
40
|
33
|
34
|
35
|
27
|
20
|
26
|
26
|
24
|
32
|
45
|
38
|
30
|
29
|
29
|
29
|
38
|
22
|
77
|
91
|
18
|
22
|
28
|
30
|
35
|
38
|
24
|
16
|
27
|
35
|
29
|
|
2025/07
|
31
|
29
|
28
|
22
|
21
|
29
|
54
|
49
|
35
|
40
|
39
|
36
|
56
|
45
|
40
|
26
|
26
|
35
|
21
|
20
|
22
|
28
|
33
|
21
|
23
|
24
|
24
|
25
|
45
|
73
|
66
|
|
2025/06
|
28
|
34
|
36
|
28
|
32
|
39
|
29
|
25
|
21
|
22
|
25
|
30
|
50
|
45
|
26
|
29
|
40
|
37
|
25
|
34
|
24
|
18
|
24
|
25
|
42
|
32
|
24
|
49
|
39
|
37
|
|
|
2025/05
|
47
|
48
|
72
|
192
|
80
|
83
|
96
|
84
|
36
|
21
|
22
|
46
|
50
|
51
|
29
|
48
|
56
|
42
|
34
|
54
|
128
|
76
|
78
|
76
|
33
|
36
|
39
|
94
|
65
|
42
|
40
|
|
2025/04
|
128
|
112
|
93
|
60
|
74
|
78
|
100
|
73
|
60
|
48
|
60
|
42
|
20
|
35
|
59
|
75
|
90
|
86
|
62
|
118
|
107
|
76
|
50
|
34
|
42
|
33
|
104
|
47
|
60
|
43
|
|
|
2025/03
|
60
|
62
|
59
|
38
|
85
|
186
|
105
|
74
|
103
|
90
|
84
|
75
|
50
|
50
|
44
|
40
|
45
|
66
|
64
|
61
|
60
|
65
|
61
|
67
|
89
|
49
|
158
|
62
|
70
|
112
|
152
|
|
2025/02
|
31
|
47
|
31
|
28
|
32
|
34
|
39
|
40
|
34
|
32
|
53
|
48
|
35
|
36
|
55
|
39
|
35
|
54
|
57
|
53
|
45
|
53
|
55
|
58
|
51
|
32
|
38
|
44
|
|||
|
2025/01
|
51
|
39
|
44
|
46
|
27
|
35
|
48
|
50
|
45
|
64
|
52
|
32
|
30
|
35
|
28
|
24
|
38
|
41
|
34
|
34
|
49
|
47
|
49
|
62
|
117
|
57
|
44
|
42
|
35
|
31
|
29
|
|
2024/12
|
24
|
35
|
32
|
43
|
39
|
31
|
38
|
44
|
42
|
44
|
40
|
52
|
43
|
38
|
29
|
37
|
39
|
48
|
45
|
43
|
43
|
49
|
50
|
41
|
40
|
32
|
31
|
35
|
60
|
48
|
45
|
|
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