Air Quality
Excellent
No health implications.
6
PM2.5
20
PM10
30
O3
0.3
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jul
45
Excellent
Sat
19 Jul
53
Good
Sun
20 Jul
44
Excellent
Mon
21 Jul
45
Excellent
Tue
22 Jul
43
Excellent
Wed
23 Jul
18
Excellent
Thu
24 Jul
40
Excellent
Air quality in the last 12 months (Qian'an)
|
2025/06
|
22
|
33
|
17
|
19
|
26
|
22
|
19
|
32
|
19
|
18
|
18
|
41
|
37
|
22
|
30
|
20
|
20
|
36
|
23
|
15
|
16
|
22
|
30
|
44
|
43
|
44
|
48
|
23
|
37
|
28
|
|
|
2025/05
|
34
|
26
|
22
|
23
|
29
|
33
|
45
|
46
|
43
|
36
|
43
|
70
|
68
|
68
|
74
|
46
|
27
|
39
|
30
|
39
|
36
|
34
|
28
|
33
|
35
|
40
|
54
|
65
|
61
|
67
|
50
|
|
2025/04
|
91
|
58
|
84
|
106
|
62
|
65
|
62
|
55
|
64
|
79
|
103
|
35
|
21
|
23
|
27
|
30
|
72
|
33
|
30
|
49
|
45
|
18
|
37
|
51
|
38
|
71
|
37
|
37
|
80
|
32
|
|
|
2025/03
|
41
|
31
|
44
|
57
|
68
|
72
|
68
|
73
|
130
|
154
|
107
|
93
|
48
|
40
|
39
|
63
|
71
|
54
|
69
|
65
|
69
|
105
|
180
|
78
|
119
|
122
|
36
|
29
|
27
|
30
|
49
|
|
2025/02
|
95
|
125
|
61
|
52
|
67
|
71
|
34
|
31
|
51
|
82
|
133
|
85
|
41
|
51
|
88
|
37
|
37
|
37
|
42
|
51
|
52
|
63
|
53
|
53
|
85
|
42
|
69
|
76
|
|||
|
2025/01
|
56
|
40
|
44
|
87
|
146
|
129
|
52
|
45
|
52
|
63
|
87
|
132
|
106
|
63
|
41
|
38
|
53
|
94
|
75
|
108
|
125
|
110
|
140
|
183
|
179
|
199
|
111
|
63
|
63
|
48
|
76
|
|
2024/12
|
53
|
24
|
29
|
26
|
33
|
40
|
40
|
49
|
68
|
58
|
39
|
56
|
95
|
35
|
37
|
50
|
54
|
60
|
57
|
85
|
66
|
49
|
49
|
40
|
53
|
38
|
37
|
43
|
66
|
98
|
51
|
|
2024/11
|
44
|
56
|
54
|
23
|
23
|
45
|
56
|
162
|
129
|
74
|
70
|
50
|
118
|
99
|
173
|
50
|
39
|
43
|
68
|
51
|
40
|
51
|
138
|
169
|
136
|
55
|
26
|
44
|
39
|
53
|
|
|
2024/10
|
24
|
27
|
32
|
40
|
43
|
29
|
55
|
45
|
47
|
21
|
29
|
34
|
58
|
53
|
22
|
30
|
42
|
34
|
28
|
31
|
42
|
36
|
50
|
56
|
48
|
42
|
35
|
43
|
65
|
58
|
70
|
|
2024/09
|
13
|
17
|
18
|
25
|
17
|
21
|
26
|
30
|
40
|
24
|
27
|
30
|
27
|
21
|
21
|
30
|
29
|
27
|
30
|
18
|
27
|
37
|
29
|
39
|
25
|
37
|
37
|
36
|
52
|
25
|
|
|
2024/08
|
12
|
14
|
18
|
21
|
15
|
19
|
27
|
20
|
22
|
20
|
13
|
13
|
20
|
22
|
23
|
31
|
31
|
31
|
17
|
16
|
12
|
13
|
25
|
31
|
25
|
18
|
16
|
19
|
24
|
25
|
17
|
|
2024/07
|
52
|
46
|
33
|
24
|
29
|
33
|
51
|
77
|
66
|
69
|
80
|
77
|
60
|
57
|
54
|
37
|
18
|
28
|
31
|
29
|
30
|
25
|
15
|
17
|
20
|
12
|
13
|
14
|
17
|
22
|
18
|
|
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