Air Quality
Excellent
No health implications.
13
PM2.5
20
PM10
61
O3
0.6
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 May
36
Excellent
Tue
19 May
41
Excellent
Wed
20 May
42
Excellent
Thu
21 May
50
Excellent
Fri
22 May
35
Excellent
Sat
23 May
43
Excellent
Sun
24 May
27
Excellent
Air quality in the last 12 months (Tianmen)
|
2026/04
|
52
|
48
|
36
|
53
|
69
|
75
|
74
|
62
|
29
|
46
|
59
|
49
|
39
|
30
|
33
|
41
|
51
|
58
|
56
|
90
|
35
|
25
|
34
|
41
|
50
|
57
|
54
|
33
|
31
|
39
|
|
|
2026/03
|
25
|
32
|
49
|
69
|
80
|
79
|
90
|
78
|
80
|
81
|
68
|
96
|
65
|
82
|
66
|
40
|
39
|
49
|
83
|
93
|
76
|
58
|
68
|
81
|
80
|
75
|
62
|
60
|
56
|
39
|
58
|
|
2026/02
|
75
|
98
|
104
|
119
|
137
|
145
|
69
|
82
|
67
|
78
|
84
|
100
|
84
|
75
|
90
|
33
|
81
|
83
|
95
|
61
|
54
|
89
|
94
|
51
|
40
|
25
|
47
|
52
|
|||
|
2026/01
|
49
|
80
|
94
|
85
|
93
|
69
|
77
|
67
|
80
|
82
|
75
|
85
|
93
|
104
|
128
|
131
|
153
|
129
|
37
|
62
|
57
|
79
|
85
|
95
|
94
|
176
|
115
|
99
|
80
|
69
|
62
|
|
2025/12
|
91
|
103
|
59
|
70
|
86
|
93
|
120
|
93
|
136
|
166
|
184
|
114
|
40
|
56
|
64
|
80
|
128
|
161
|
133
|
111
|
56
|
58
|
50
|
82
|
71
|
75
|
88
|
100
|
103
|
140
|
102
|
|
2025/11
|
82
|
77
|
86
|
92
|
92
|
73
|
36
|
31
|
54
|
60
|
62
|
45
|
57
|
86
|
89
|
103
|
49
|
30
|
33
|
44
|
62
|
82
|
91
|
82
|
74
|
74
|
100
|
83
|
76
|
86
|
|
|
2025/10
|
33
|
33
|
19
|
36
|
58
|
50
|
35
|
55
|
64
|
44
|
39
|
49
|
19
|
36
|
48
|
31
|
28
|
16
|
24
|
28
|
27
|
38
|
46
|
56
|
85
|
82
|
72
|
78
|
107
|
81
|
69
|
|
2025/09
|
22
|
28
|
29
|
30
|
35
|
27
|
41
|
37
|
23
|
27
|
35
|
15
|
23
|
23
|
26
|
36
|
21
|
17
|
12
|
20
|
33
|
29
|
14
|
15
|
24
|
20
|
30
|
38
|
23
|
23
|
|
|
2025/08
|
40
|
34
|
40
|
41
|
38
|
30
|
21
|
19
|
22
|
19
|
15
|
18
|
18
|
24
|
21
|
18
|
24
|
32
|
23
|
16
|
19
|
20
|
23
|
23
|
28
|
27
|
29
|
31
|
38
|
30
|
17
|
|
2025/07
|
19
|
14
|
17
|
19
|
27
|
34
|
31
|
39
|
26
|
23
|
41
|
33
|
29
|
29
|
34
|
30
|
29
|
30
|
31
|
31
|
27
|
17
|
13
|
21
|
23
|
28
|
20
|
19
|
21
|
26
|
29
|
|
2025/06
|
23
|
39
|
51
|
55
|
54
|
52
|
33
|
29
|
32
|
35
|
30
|
34
|
34
|
27
|
34
|
41
|
30
|
15
|
14
|
13
|
19
|
22
|
25
|
24
|
30
|
22
|
22
|
20
|
15
|
21
|
|
|
2025/05
|
55
|
61
|
54
|
47
|
41
|
114
|
137
|
45
|
58
|
48
|
47
|
53
|
62
|
69
|
65
|
49
|
53
|
137
|
102
|
54
|
33
|
25
|
54
|
61
|
62
|
63
|
61
|
51
|
37
|
36
|
21
|
|
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