Air Quality
Excellent
No health implications.
17
PM2.5
23
PM10
99
O3
0.6
CO
9
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 May
53
Good
Sun
1 Jun
42
Excellent
Mon
2 Jun
61
Good
Tue
3 Jun
83
Good
Wed
4 Jun
94
Good
Thu
5 Jun
15
Excellent
Fri
6 Jun
32
Excellent
Air quality in the last 12 months (Tianmen)
|
2025/04
|
64
|
64
|
63
|
76
|
78
|
72
|
69
|
74
|
74
|
48
|
63
|
216
|
133
|
105
|
68
|
66
|
71
|
72
|
63
|
61
|
50
|
52
|
66
|
64
|
68
|
59
|
57
|
57
|
57
|
37
|
|
|
2025/03
|
105
|
52
|
23
|
39
|
48
|
65
|
83
|
82
|
81
|
73
|
74
|
82
|
80
|
54
|
41
|
51
|
46
|
50
|
52
|
54
|
57
|
61
|
65
|
62
|
54
|
74
|
105
|
69
|
74
|
68
|
68
|
|
2025/02
|
88
|
78
|
79
|
85
|
62
|
49
|
87
|
54
|
55
|
75
|
81
|
90
|
88
|
79
|
86
|
78
|
69
|
52
|
77
|
89
|
85
|
85
|
112
|
102
|
93
|
93
|
66
|
92
|
|||
|
2025/01
|
138
|
154
|
164
|
193
|
82
|
82
|
69
|
74
|
63
|
64
|
89
|
100
|
123
|
121
|
73
|
72
|
102
|
122
|
153
|
156
|
162
|
165
|
193
|
75
|
28
|
45
|
59
|
78
|
173
|
112
|
131
|
|
2024/12
|
87
|
102
|
100
|
81
|
54
|
61
|
51
|
63
|
57
|
73
|
73
|
100
|
82
|
56
|
67
|
74
|
98
|
85
|
67
|
98
|
95
|
58
|
65
|
91
|
126
|
137
|
171
|
63
|
72
|
124
|
152
|
|
2024/11
|
102
|
91
|
107
|
86
|
58
|
71
|
64
|
70
|
72
|
61
|
71
|
75
|
80
|
99
|
105
|
64
|
24
|
25
|
30
|
36
|
51
|
57
|
80
|
83
|
39
|
32
|
48
|
56
|
58
|
72
|
|
|
2024/10
|
30
|
54
|
44
|
45
|
62
|
57
|
39
|
47
|
72
|
101
|
95
|
107
|
95
|
79
|
92
|
70
|
48
|
23
|
26
|
35
|
34
|
31
|
38
|
57
|
58
|
57
|
84
|
104
|
94
|
80
|
54
|
|
2024/09
|
45
|
53
|
43
|
45
|
51
|
40
|
44
|
44
|
49
|
48
|
43
|
31
|
30
|
37
|
51
|
48
|
47
|
41
|
25
|
38
|
40
|
30
|
38
|
52
|
67
|
75
|
78
|
65
|
45
|
40
|
|
|
2024/08
|
12
|
15
|
18
|
17
|
22
|
27
|
25
|
31
|
27
|
38
|
76
|
63
|
36
|
40
|
35
|
28
|
30
|
38
|
29
|
28
|
24
|
37
|
29
|
29
|
27
|
35
|
22
|
21
|
34
|
42
|
40
|
|
2024/07
|
25
|
25
|
26
|
17
|
18
|
17
|
20
|
21
|
18
|
24
|
36
|
38
|
22
|
20
|
32
|
32
|
23
|
17
|
16
|
15
|
21
|
21
|
24
|
33
|
32
|
33
|
21
|
13
|
10
|
14
|
16
|
|
2024/06
|
37
|
49
|
42
|
29
|
31
|
40
|
40
|
40
|
30
|
25
|
29
|
29
|
32
|
32
|
36
|
38
|
36
|
36
|
24
|
27
|
24
|
15
|
19
|
28
|
20
|
30
|
17
|
12
|
16
|
18
|
|
|
2024/05
|
36
|
46
|
44
|
35
|
43
|
47
|
52
|
52
|
58
|
54
|
70
|
105
|
90
|
71
|
80
|
58
|
67
|
57
|
65
|
37
|
49
|
39
|
46
|
51
|
41
|
38
|
42
|
30
|
36
|
34
|
41
|
|
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