Air Quality
Excellent
No health implications.
8
PM2.5
18
PM10
25
O3
0.5
CO
8
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 May
45
Excellent
Wed
20 May
56
Good
Thu
21 May
65
Good
Fri
22 May
50
Excellent
Sat
23 May
65
Good
Sun
24 May
32
Excellent
Mon
25 May
23
Excellent
Air quality in the last 12 months (Tianjia'an)
|
2026/04
|
81
|
67
|
47
|
54
|
69
|
73
|
53
|
38
|
51
|
44
|
67
|
48
|
23
|
42
|
49
|
74
|
80
|
64
|
49
|
54
|
54
|
21
|
30
|
37
|
45
|
43
|
52
|
41
|
35
|
37
|
|
|
2026/03
|
37
|
31
|
87
|
58
|
52
|
82
|
50
|
61
|
101
|
94
|
80
|
91
|
98
|
83
|
103
|
77
|
68
|
70
|
93
|
110
|
102
|
68
|
86
|
81
|
69
|
82
|
86
|
71
|
61
|
71
|
100
|
|
2026/02
|
58
|
79
|
101
|
77
|
93
|
76
|
52
|
57
|
41
|
60
|
89
|
81
|
72
|
69
|
86
|
45
|
141
|
65
|
62
|
59
|
42
|
207
|
111
|
30
|
50
|
41
|
36
|
38
|
|||
|
2026/01
|
48
|
58
|
85
|
77
|
140
|
95
|
55
|
82
|
61
|
98
|
61
|
72
|
88
|
101
|
98
|
112
|
131
|
71
|
30
|
42
|
67
|
58
|
82
|
108
|
109
|
41
|
81
|
81
|
79
|
39
|
58
|
|
2025/12
|
125
|
82
|
62
|
60
|
76
|
84
|
110
|
98
|
67
|
84
|
152
|
38
|
58
|
76
|
63
|
77
|
172
|
132
|
138
|
224
|
98
|
37
|
60
|
81
|
75
|
47
|
68
|
72
|
115
|
117
|
46
|
|
2025/11
|
110
|
74
|
41
|
55
|
67
|
50
|
32
|
31
|
89
|
68
|
42
|
42
|
85
|
139
|
117
|
109
|
44
|
47
|
45
|
47
|
98
|
78
|
85
|
113
|
77
|
71
|
257
|
119
|
76
|
101
|
|
|
2025/10
|
23
|
34
|
16
|
40
|
53
|
58
|
57
|
46
|
40
|
61
|
50
|
57
|
22
|
49
|
42
|
28
|
24
|
25
|
31
|
29
|
26
|
36
|
45
|
52
|
57
|
74
|
70
|
71
|
54
|
50
|
95
|
|
2025/09
|
31
|
25
|
33
|
38
|
39
|
36
|
43
|
36
|
16
|
24
|
32
|
29
|
19
|
21
|
23
|
28
|
20
|
15
|
20
|
19
|
37
|
29
|
46
|
13
|
28
|
37
|
28
|
33
|
28
|
33
|
|
|
2025/08
|
18
|
18
|
22
|
25
|
37
|
33
|
22
|
20
|
19
|
16
|
14
|
19
|
28
|
29
|
26
|
24
|
36
|
32
|
23
|
19
|
22
|
27
|
24
|
22
|
21
|
16
|
27
|
34
|
31
|
18
|
20
|
|
2025/07
|
20
|
15
|
22
|
25
|
29
|
34
|
46
|
21
|
17
|
41
|
67
|
27
|
26
|
39
|
29
|
29
|
29
|
33
|
26
|
23
|
19
|
16
|
21
|
21
|
31
|
24
|
22
|
20
|
24
|
23
|
21
|
|
2025/06
|
40
|
22
|
51
|
62
|
56
|
42
|
30
|
36
|
28
|
49
|
44
|
56
|
50
|
35
|
35
|
53
|
55
|
19
|
9
|
12
|
16
|
26
|
42
|
46
|
30
|
37
|
21
|
15
|
9
|
18
|
|
|
2025/05
|
63
|
68
|
63
|
52
|
52
|
88
|
84
|
54
|
36
|
36
|
50
|
48
|
57
|
70
|
81
|
70
|
109
|
87
|
90
|
68
|
47
|
56
|
78
|
82
|
68
|
84
|
98
|
77
|
75
|
84
|
93
|
|
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