Air Quality
Excellent
No health implications.
10
PM2.5
36
PM10
111
O3
0.2
CO
4
SO2
2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jun
94
Good
Mon
15 Jun
101
Light
Tue
16 Jun
94
Good
Wed
17 Jun
79
Good
Thu
18 Jun
75
Good
Fri
19 Jun
29
Excellent
Sat
20 Jun
28
Excellent
Air quality in the last 12 months (Hejing)
|
2026/05
|
109
|
60
|
55
|
51
|
64
|
36
|
78
|
117
|
66
|
103
|
92
|
60
|
31
|
40
|
40
|
120
|
84
|
68
|
62
|
150
|
183
|
144
|
108
|
48
|
74
|
91
|
131
|
93
|
98
|
56
|
110
|
|
2026/04
|
90
|
65
|
60
|
59
|
44
|
43
|
86
|
87
|
63
|
87
|
60
|
58
|
64
|
61
|
73
|
92
|
85
|
55
|
44
|
80
|
73
|
70
|
84
|
83
|
53
|
52
|
68
|
38
|
53
|
97
|
|
|
2026/03
|
64
|
60
|
57
|
73
|
79
|
61
|
65
|
80
|
90
|
100
|
182
|
141
|
78
|
168
|
134
|
110
|
107
|
112
|
116
|
89
|
73
|
90
|
94
|
82
|
71
|
43
|
94
|
120
|
88
|
100
|
107
|
|
2026/02
|
65
|
66
|
86
|
76
|
65
|
72
|
107
|
140
|
122
|
168
|
193
|
149
|
118
|
85
|
58
|
67
|
89
|
114
|
195
|
128
|
104
|
85
|
117
|
71
|
84
|
83
|
101
|
76
|
|||
|
2026/01
|
46
|
84
|
80
|
63
|
41
|
44
|
53
|
56
|
64
|
66
|
36
|
59
|
58
|
57
|
63
|
52
|
52
|
60
|
63
|
103
|
178
|
170
|
157
|
140
|
131
|
117
|
108
|
101
|
78
|
75
|
69
|
|
2025/12
|
60
|
58
|
63
|
59
|
66
|
76
|
70
|
65
|
64
|
66
|
102
|
91
|
123
|
89
|
79
|
100
|
108
|
88
|
69
|
60
|
46
|
57
|
62
|
64
|
50
|
45
|
39
|
58
|
69
|
54
|
53
|
|
2025/11
|
77
|
80
|
87
|
83
|
62
|
29
|
44
|
59
|
74
|
83
|
85
|
73
|
81
|
83
|
75
|
48
|
35
|
70
|
85
|
95
|
98
|
101
|
103
|
91
|
86
|
74
|
106
|
79
|
81
|
60
|
|
|
2025/10
|
76
|
55
|
22
|
34
|
64
|
37
|
42
|
64
|
66
|
61
|
67
|
72
|
66
|
27
|
30
|
80
|
54
|
78
|
62
|
65
|
74
|
86
|
94
|
89
|
93
|
81
|
79
|
74
|
75
|
67
|
70
|
|
2025/09
|
108
|
393
|
333
|
54
|
102
|
207
|
200
|
127
|
126
|
50
|
40
|
43
|
56
|
36
|
39
|
29
|
32
|
48
|
47
|
42
|
21
|
76
|
75
|
27
|
11
|
22
|
59
|
61
|
65
|
95
|
|
|
2025/08
|
32
|
31
|
30
|
36
|
42
|
23
|
37
|
44
|
24
|
45
|
33
|
34
|
32
|
36
|
33
|
24
|
41
|
37
|
30
|
43
|
42
|
23
|
26
|
43
|
53
|
27
|
35
|
96
|
61
|
46
|
61
|
|
2025/07
|
30
|
22
|
18
|
56
|
66
|
62
|
27
|
25
|
27
|
23
|
49
|
30
|
97
|
60
|
51
|
49
|
43
|
22
|
66
|
73
|
57
|
46
|
63
|
81
|
43
|
47
|
54
|
53
|
56
|
65
|
37
|
|
2025/06
|
28
|
26
|
27
|
39
|
54
|
55
|
48
|
49
|
41
|
51
|
52
|
35
|
15
|
31
|
28
|
46
|
43
|
20
|
31
|
33
|
30
|
25
|
37
|
45
|
29
|
46
|
39
|
16
|
52
|
35
|
|
|
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