Air Quality
Excellent
No health implications.
27
PM2.5
38
PM10
127
O3
0.4
CO
8
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Jun
103
Light
Sat
7 Jun
51
Good
Sun
8 Jun
87
Good
Mon
9 Jun
97
Good
Tue
10 Jun
107
Light
Wed
11 Jun
110
Light
Thu
12 Jun
45
Excellent
Air quality in the last 12 months (Tianjia'an)
|
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
|
|
2024/06
|
52
|
49
|
60
|
57
|
62
|
44
|
39
|
55
|
54
|
37
|
37
|
50
|
50
|
60
|
55
|
56
|
49
|
51
|
40
|
54
|
30
|
34
|
38
|
55
|
56
|
61
|
58
|
20
|
18
|
26
|
|
|
2024/05
|
57
|
45
|
52
|
63
|
59
|
52
|
71
|
53
|
51
|
59
|
73
|
163
|
104
|
75
|
73
|
50
|
62
|
68
|
52
|
57
|
50
|
45
|
49
|
63
|
54
|
66
|
36
|
43
|
52
|
56
|
56
|
|
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