Air Quality
Excellent
No health implications.
18
PM2.5
23
PM10
114
O3
0.8
CO
8
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
93
Good
Wed
16 Jul
90
Good
Thu
17 Jul
57
Good
Fri
18 Jul
54
Good
Sat
19 Jul
57
Good
Sun
20 Jul
15
Excellent
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