Air Quality
Excellent
No health implications.
8
PM2.5
20
PM10
80
O3
0.5
CO
9
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jul
72
Good
Mon
21 Jul
77
Good
Tue
22 Jul
77
Good
Wed
23 Jul
89
Good
Thu
24 Jul
89
Good
Fri
25 Jul
86
Good
Sat
26 Jul
27
Excellent
Air quality in the last 12 months (Tianzhen)
|
2025/06
|
41
|
20
|
21
|
28
|
27
|
22
|
23
|
27
|
29
|
28
|
44
|
58
|
37
|
30
|
14
|
20
|
34
|
38
|
29
|
20
|
19
|
27
|
32
|
35
|
42
|
50
|
46
|
40
|
36
|
34
|
|
|
2025/05
|
30
|
28
|
20
|
29
|
71
|
28
|
53
|
71
|
24
|
41
|
38
|
52
|
66
|
28
|
45
|
109
|
42
|
46
|
40
|
60
|
47
|
52
|
51
|
43
|
44
|
35
|
36
|
42
|
54
|
59
|
25
|
|
2025/04
|
44
|
29
|
65
|
87
|
33
|
58
|
54
|
37
|
41
|
48
|
164
|
43
|
35
|
27
|
42
|
104
|
148
|
23
|
37
|
55
|
57
|
44
|
54
|
27
|
34
|
51
|
23
|
34
|
48
|
34
|
|
|
2025/03
|
83
|
59
|
39
|
52
|
47
|
43
|
50
|
67
|
72
|
99
|
159
|
93
|
81
|
68
|
32
|
26
|
27
|
27
|
34
|
34
|
40
|
64
|
187
|
120
|
103
|
106
|
63
|
37
|
25
|
34
|
38
|
|
2025/02
|
82
|
38
|
25
|
34
|
40
|
75
|
18
|
31
|
49
|
64
|
71
|
42
|
54
|
58
|
77
|
23
|
32
|
37
|
24
|
27
|
33
|
27
|
25
|
61
|
49
|
61
|
78
|
76
|
|||
|
2025/01
|
54
|
37
|
46
|
48
|
60
|
25
|
28
|
17
|
28
|
45
|
56
|
43
|
58
|
32
|
38
|
61
|
66
|
60
|
64
|
59
|
45
|
35
|
76
|
74
|
93
|
123
|
24
|
35
|
153
|
61
|
78
|
|
2024/12
|
49
|
24
|
40
|
40
|
32
|
28
|
21
|
49
|
58
|
63
|
50
|
66
|
36
|
43
|
47
|
52
|
29
|
29
|
46
|
46
|
30
|
57
|
60
|
70
|
57
|
34
|
31
|
57
|
93
|
86
|
56
|
|
2024/11
|
58
|
65
|
41
|
25
|
44
|
41
|
59
|
89
|
121
|
68
|
61
|
62
|
68
|
52
|
54
|
57
|
38
|
45
|
66
|
58
|
42
|
36
|
54
|
81
|
29
|
28
|
20
|
21
|
32
|
54
|
|
|
2024/10
|
14
|
21
|
34
|
45
|
55
|
45
|
21
|
38
|
44
|
33
|
48
|
52
|
68
|
55
|
30
|
55
|
60
|
24
|
16
|
22
|
39
|
22
|
45
|
48
|
66
|
74
|
22
|
39
|
46
|
43
|
62
|
|
2024/09
|
22
|
17
|
22
|
26
|
12
|
17
|
14
|
24
|
30
|
15
|
20
|
20
|
22
|
12
|
20
|
21
|
21
|
36
|
44
|
18
|
10
|
15
|
28
|
37
|
18
|
34
|
56
|
51
|
37
|
15
|
|
|
2024/08
|
24
|
30
|
23
|
26
|
25
|
28
|
29
|
28
|
24
|
59
|
10
|
11
|
13
|
21
|
34
|
40
|
32
|
30
|
22
|
17
|
15
|
17
|
24
|
28
|
21
|
11
|
20
|
25
|
31
|
27
|
34
|
|
2024/07
|
22
|
27
|
26
|
33
|
37
|
30
|
38
|
36
|
42
|
48
|
51
|
38
|
26
|
38
|
46
|
25
|
21
|
33
|
38
|
30
|
47
|
60
|
55
|
49
|
19
|
22
|
32
|
25
|
19
|
18
|
22
|
|
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