Air Quality
Excellent
No health implications.
17
PM2.5
49
PM10
135
O3
0.6
CO
10
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
88
Good
Mon
5 May
85
Good
Tue
6 May
131
Light
Wed
7 May
101
Light
Thu
8 May
75
Good
Fri
9 May
118
Light
Sat
10 May
15
Excellent
Air quality in the last 12 months (Tianjia'an)
|
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
|
|
2024/04
|
89
|
52
|
80
|
61
|
56
|
51
|
78
|
47
|
57
|
72
|
57
|
71
|
76
|
78
|
56
|
86
|
98
|
62
|
59
|
66
|
71
|
64
|
91
|
82
|
68
|
76
|
68
|
52
|
42
|
61
|
|
|
2024/03
|
60
|
70
|
68
|
85
|
69
|
84
|
108
|
95
|
64
|
116
|
98
|
100
|
91
|
85
|
113
|
156
|
151
|
60
|
99
|
115
|
81
|
66
|
70
|
57
|
52
|
72
|
68
|
76
|
66
|
67
|
106
|
|
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