Air Quality
Excellent
No health implications.
27
PM2.5
48
PM10
35
O3
0.7
CO
10
SO2
28
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
89
Good
Wed
16 Jul
91
Good
Thu
17 Jul
56
Good
Fri
18 Jul
53
Good
Sat
19 Jul
59
Good
Sun
20 Jul
57
Good
Mon
21 Jul
21
Excellent
Air quality in the last 12 months (Gaochun)
|
2025/06
|
17
|
14
|
29
|
49
|
45
|
36
|
28
|
16
|
30
|
26
|
36
|
28
|
21
|
21
|
14
|
30
|
40
|
30
|
14
|
17
|
14
|
13
|
24
|
26
|
33
|
34
|
20
|
15
|
14
|
20
|
|
|
2025/05
|
50
|
55
|
58
|
35
|
40
|
101
|
88
|
48
|
19
|
35
|
36
|
44
|
45
|
51
|
68
|
34
|
38
|
77
|
59
|
42
|
22
|
41
|
36
|
63
|
57
|
51
|
48
|
49
|
39
|
50
|
50
|
|
2025/04
|
41
|
59
|
45
|
67
|
70
|
66
|
65
|
61
|
68
|
66
|
65
|
215
|
94
|
88
|
46
|
51
|
66
|
63
|
78
|
57
|
48
|
52
|
58
|
65
|
60
|
47
|
44
|
53
|
55
|
55
|
|
|
2025/03
|
42
|
42
|
21
|
36
|
49
|
62
|
63
|
84
|
81
|
60
|
56
|
53
|
44
|
39
|
29
|
45
|
35
|
41
|
49
|
52
|
45
|
49
|
58
|
59
|
58
|
65
|
85
|
65
|
78
|
70
|
38
|
|
2025/02
|
41
|
65
|
104
|
77
|
49
|
47
|
57
|
30
|
39
|
59
|
75
|
122
|
84
|
88
|
123
|
82
|
81
|
48
|
65
|
62
|
37
|
68
|
99
|
82
|
99
|
94
|
84
|
56
|
|||
|
2025/01
|
89
|
103
|
91
|
104
|
126
|
90
|
43
|
67
|
39
|
47
|
75
|
71
|
72
|
90
|
61
|
51
|
69
|
92
|
92
|
134
|
156
|
151
|
116
|
51
|
31
|
65
|
45
|
54
|
128
|
65
|
79
|
|
2024/12
|
57
|
73
|
95
|
57
|
73
|
118
|
163
|
38
|
60
|
66
|
62
|
72
|
106
|
79
|
62
|
55
|
74
|
78
|
44
|
67
|
94
|
59
|
66
|
83
|
106
|
145
|
62
|
79
|
65
|
95
|
97
|
|
2024/11
|
19
|
45
|
47
|
58
|
44
|
38
|
33
|
35
|
36
|
43
|
49
|
51
|
40
|
48
|
60
|
40
|
36
|
27
|
30
|
35
|
50
|
82
|
37
|
37
|
32
|
35
|
59
|
59
|
44
|
50
|
|
|
2024/10
|
37
|
38
|
23
|
31
|
26
|
13
|
15
|
36
|
37
|
47
|
64
|
58
|
30
|
36
|
45
|
42
|
27
|
31
|
32
|
27
|
28
|
29
|
59
|
48
|
36
|
20
|
17
|
51
|
50
|
42
|
27
|
|
2024/09
|
40
|
48
|
32
|
34
|
32
|
34
|
49
|
49
|
24
|
36
|
17
|
16
|
30
|
36
|
27
|
20
|
20
|
22
|
22
|
14
|
27
|
31
|
23
|
29
|
39
|
48
|
33
|
36
|
38
|
37
|
|
|
2024/08
|
20
|
20
|
29
|
34
|
29
|
31
|
41
|
36
|
43
|
39
|
43
|
40
|
32
|
31
|
27
|
41
|
36
|
35
|
25
|
18
|
22
|
30
|
35
|
42
|
42
|
40
|
35
|
20
|
28
|
27
|
38
|
|
2024/07
|
13
|
17
|
15
|
18
|
22
|
17
|
19
|
21
|
25
|
25
|
18
|
18
|
18
|
14
|
29
|
37
|
24
|
19
|
19
|
22
|
22
|
24
|
34
|
30
|
22
|
18
|
14
|
14
|
24
|
33
|
28
|
|
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