Air Quality
Excellent
No health implications.
3
PM2.5
28
PM10
62
O3
0.1
CO
7
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Jul
55
Good
Thu
10 Jul
58
Good
Fri
11 Jul
63
Good
Sat
12 Jul
49
Excellent
Sun
13 Jul
54
Good
Mon
14 Jul
61
Good
Tue
15 Jul
30
Excellent
Air quality in the last 12 months (Tianjia'an)
|
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
|
|
2025/04
|
65
|
67
|
56
|
70
|
91
|
79
|
67
|
73
|
81
|
95
|
84
|
244
|
116
|
72
|
49
|
60
|
69
|
73
|
74
|
53
|
60
|
88
|
79
|
86
|
58
|
54
|
52
|
71
|
57
|
53
|
|
|
2025/03
|
74
|
74
|
42
|
73
|
86
|
79
|
67
|
83
|
101
|
82
|
95
|
157
|
117
|
46
|
56
|
59
|
51
|
53
|
55
|
58
|
52
|
62
|
66
|
112
|
79
|
70
|
133
|
155
|
167
|
87
|
62
|
|
2025/02
|
128
|
89
|
135
|
98
|
60
|
51
|
108
|
47
|
52
|
62
|
69
|
109
|
74
|
81
|
107
|
100
|
64
|
64
|
82
|
57
|
54
|
85
|
104
|
56
|
69
|
116
|
92
|
79
|
|||
|
2025/01
|
94
|
182
|
148
|
138
|
131
|
91
|
58
|
70
|
53
|
63
|
82
|
86
|
103
|
138
|
75
|
73
|
85
|
110
|
146
|
145
|
137
|
190
|
93
|
56
|
36
|
86
|
55
|
105
|
211
|
77
|
146
|
|
2024/12
|
78
|
130
|
91
|
85
|
121
|
161
|
139
|
56
|
58
|
85
|
120
|
107
|
111
|
88
|
71
|
80
|
133
|
92
|
67
|
89
|
100
|
71
|
84
|
108
|
145
|
166
|
105
|
92
|
64
|
91
|
113
|
|
2024/11
|
80
|
142
|
93
|
99
|
73
|
62
|
56
|
53
|
47
|
64
|
56
|
65
|
82
|
108
|
108
|
66
|
44
|
43
|
33
|
45
|
62
|
110
|
49
|
48
|
43
|
54
|
76
|
67
|
59
|
72
|
|
|
2024/10
|
39
|
55
|
50
|
39
|
32
|
26
|
16
|
47
|
51
|
68
|
80
|
79
|
72
|
52
|
67
|
67
|
47
|
28
|
42
|
51
|
60
|
70
|
68
|
54
|
52
|
71
|
106
|
148
|
89
|
53
|
52
|
|
2024/09
|
46
|
47
|
37
|
40
|
60
|
51
|
50
|
44
|
34
|
38
|
46
|
22
|
29
|
44
|
43
|
42
|
17
|
38
|
32
|
29
|
38
|
38
|
52
|
51
|
61
|
50
|
33
|
44
|
50
|
54
|
|
|
2024/08
|
20
|
22
|
27
|
31
|
30
|
29
|
31
|
44
|
40
|
44
|
79
|
61
|
56
|
30
|
32
|
34
|
38
|
36
|
36
|
27
|
42
|
41
|
42
|
44
|
49
|
44
|
19
|
21
|
32
|
40
|
45
|
|
2024/07
|
30
|
34
|
34
|
22
|
28
|
26
|
33
|
29
|
28
|
39
|
33
|
27
|
26
|
19
|
22
|
40
|
35
|
25
|
27
|
22
|
23
|
28
|
32
|
40
|
30
|
31
|
18
|
17
|
17
|
18
|
25
|
|
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