Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Mar
Sun
30 Mar
Mon
31 Mar
Tue
1 Apr
Wed
2 Apr
Thu
3 Apr
Fri
4 Apr
Real-time AQI (Monitoring Station in Langfang)
药材公司
3214
PM2.5
32
PM10
50
O3
0.4
CO
2
SO2
21
NO2
开发区
2111
PM2.5
21
PM10
53
O3
0.3
CO
2
SO2
23
NO2
北华航天学院
193
PM2.5
19
PM10
59
O3
0.3
CO
3
SO2
20
NO2
河北工业大学
3222
PM2.5
25
PM10
53
O3
0.3
CO
5
SO2
22
NO2
Air quality in the last 12 months (Langfang)
|
2025/02
|
67
|
60
|
17
|
24
|
22
|
64
|
28
|
15
|
26
|
129
|
150
|
53
|
83
|
97
|
124
|
30
|
19
|
56
|
34
|
43
|
21
|
19
|
21
|
54
|
62
|
62
|
144
|
195
|
|||
|
2025/01
|
88
|
37
|
42
|
91
|
92
|
20
|
24
|
23
|
18
|
29
|
33
|
34
|
87
|
44
|
27
|
51
|
77
|
136
|
54
|
101
|
88
|
60
|
75
|
127
|
140
|
121
|
30
|
38
|
219
|
78
|
83
|
|
2024/12
|
118
|
26
|
52
|
59
|
56
|
31
|
20
|
31
|
56
|
46
|
51
|
97
|
47
|
35
|
43
|
43
|
24
|
21
|
61
|
59
|
23
|
26
|
41
|
92
|
106
|
29
|
31
|
46
|
99
|
76
|
57
|
|
2024/11
|
124
|
94
|
70
|
31
|
51
|
71
|
130
|
138
|
113
|
111
|
76
|
126
|
80
|
50
|
75
|
66
|
40
|
55
|
62
|
90
|
43
|
40
|
50
|
117
|
72
|
23
|
21
|
25
|
46
|
65
|
|
|
2024/10
|
21
|
20
|
45
|
72
|
90
|
103
|
32
|
40
|
122
|
44
|
78
|
125
|
129
|
152
|
73
|
54
|
63
|
56
|
26
|
40
|
62
|
40
|
64
|
127
|
148
|
207
|
72
|
76
|
118
|
131
|
135
|
|
2024/09
|
30
|
19
|
43
|
57
|
35
|
37
|
38
|
46
|
63
|
30
|
33
|
33
|
46
|
33
|
32
|
58
|
51
|
50
|
56
|
35
|
14
|
23
|
46
|
73
|
53
|
51
|
48
|
72
|
66
|
15
|
|
|
2024/08
|
31
|
49
|
44
|
34
|
23
|
45
|
46
|
44
|
50
|
59
|
47
|
23
|
19
|
31
|
56
|
47
|
50
|
29
|
34
|
28
|
26
|
34
|
46
|
34
|
47
|
23
|
29
|
40
|
50
|
61
|
55
|
|
2024/07
|
39
|
46
|
47
|
62
|
76
|
35
|
59
|
36
|
62
|
65
|
72
|
64
|
59
|
82
|
59
|
49
|
37
|
40
|
54
|
39
|
48
|
35
|
63
|
50
|
23
|
29
|
36
|
33
|
42
|
23
|
37
|
|
2024/06
|
44
|
57
|
56
|
60
|
68
|
79
|
54
|
51
|
82
|
84
|
78
|
66
|
81
|
47
|
45
|
60
|
59
|
62
|
68
|
62
|
57
|
114
|
78
|
47
|
51
|
73
|
62
|
65
|
66
|
47
|
|
|
2024/05
|
54
|
59
|
61
|
70
|
54
|
73
|
66
|
76
|
72
|
88
|
147
|
45
|
68
|
73
|
34
|
60
|
70
|
87
|
58
|
36
|
38
|
89
|
72
|
37
|
26
|
42
|
40
|
64
|
71
|
60
|
25
|
|
2024/04
|
77
|
74
|
67
|
66
|
72
|
94
|
73
|
99
|
49
|
62
|
122
|
71
|
79
|
63
|
122
|
62
|
95
|
101
|
79
|
50
|
94
|
92
|
41
|
57
|
101
|
95
|
96
|
44
|
30
|
40
|
|
|
2024/03
|
38
|
98
|
74
|
70
|
74
|
63
|
115
|
29
|
70
|
113
|
122
|
97
|
75
|
91
|
106
|
163
|
43
|
136
|
95
|
53
|
83
|
74
|
107
|
85
|
81
|
96
|
133
|
207
|
110
|
64
|
84
|
|
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
*: primary pollution