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
15 Mar
Mon
16 Mar
Tue
17 Mar
Wed
18 Mar
Thu
19 Mar
Fri
20 Mar
Sat
21 Mar
Langfang Air quality rank
Real-time AQI (Monitoring Station in Langfang)
开发区
5331
PM2.5
54 *
PM10
100
O3
0.3
CO
2
SO2
4
NO2
北华航天学院
4428
PM2.5
44
PM10
99
O3
0.3
CO
2
SO2
10
NO2
河北工业大学
4632
PM2.5
45
PM10
96
O3
0.3
CO
1
SO2
1
NO2
Air quality in the last 12 months (Langfang)
|
2026/02
|
110
|
24
|
121
|
164
|
85
|
16
|
32
|
39
|
128
|
113
|
71
|
121
|
139
|
138
|
26
|
37
|
154
|
43
|
71
|
90
|
199
|
39
|
34
|
71
|
76
|
86
|
46
|
66
|
|||
|
2026/01
|
34
|
53
|
98
|
133
|
86
|
150
|
24
|
73
|
113
|
38
|
28
|
66
|
35
|
67
|
120
|
69
|
45
|
47
|
26
|
22
|
28
|
73
|
65
|
138
|
72
|
75
|
53
|
64
|
68
|
98
|
82
|
|
2025/12
|
39
|
22
|
44
|
44
|
60
|
136
|
98
|
29
|
88
|
116
|
73
|
42
|
43
|
76
|
157
|
103
|
144
|
215
|
188
|
25
|
35
|
72
|
66
|
30
|
22
|
70
|
79
|
201
|
38
|
34
|
20
|
|
2025/11
|
56
|
22
|
62
|
106
|
198
|
147
|
58
|
67
|
51
|
78
|
132
|
93
|
30
|
92
|
116
|
60
|
20
|
39
|
55
|
36
|
63
|
108
|
143
|
76
|
34
|
81
|
33
|
86
|
112
|
124
|
|
|
2025/10
|
59
|
56
|
56
|
63
|
87
|
24
|
41
|
33
|
11
|
15
|
20
|
42
|
49
|
47
|
80
|
65
|
37
|
17
|
22
|
21
|
33
|
59
|
77
|
104
|
155
|
52
|
42
|
176
|
179
|
168
|
80
|
|
2025/09
|
32
|
51
|
50
|
64
|
58
|
40
|
46
|
37
|
57
|
40
|
62
|
64
|
54
|
48
|
46
|
30
|
20
|
29
|
38
|
44
|
69
|
39
|
53
|
66
|
69
|
63
|
71
|
49
|
52
|
51
|
|
|
2025/08
|
59
|
55
|
36
|
39
|
36
|
56
|
42
|
40
|
30
|
38
|
48
|
54
|
35
|
43
|
45
|
30
|
47
|
45
|
34
|
34
|
39
|
39
|
36
|
21
|
33
|
43
|
32
|
21
|
38
|
33
|
31
|
|
2025/07
|
44
|
43
|
33
|
47
|
44
|
28
|
47
|
42
|
54
|
44
|
54
|
56
|
34
|
48
|
42
|
39
|
35
|
50
|
54
|
31
|
38
|
56
|
41
|
32
|
39
|
53
|
47
|
42
|
18
|
29
|
47
|
|
2025/06
|
75
|
58
|
30
|
29
|
59
|
54
|
55
|
54
|
57
|
43
|
63
|
78
|
69
|
51
|
30
|
24
|
62
|
80
|
44
|
39
|
40
|
47
|
98
|
85
|
75
|
64
|
55
|
49
|
62
|
44
|
|
|
2025/05
|
40
|
53
|
31
|
54
|
62
|
32
|
89
|
92
|
37
|
41
|
65
|
77
|
72
|
43
|
50
|
81
|
72
|
51
|
84
|
119
|
78
|
66
|
61
|
47
|
58
|
70
|
68
|
70
|
74
|
78
|
76
|
|
2025/04
|
61
|
29
|
66
|
99
|
30
|
73
|
67
|
49
|
51
|
92
|
117
|
149
|
65
|
48
|
57
|
94
|
75
|
61
|
53
|
74
|
95
|
47
|
69
|
40
|
55
|
87
|
62
|
67
|
61
|
65
|
|
|
2025/03
|
231
|
73
|
32
|
53
|
89
|
30
|
84
|
123
|
152
|
136
|
168
|
96
|
106
|
79
|
45
|
25
|
37
|
28
|
46
|
40
|
34
|
54
|
104
|
83
|
51
|
83
|
57
|
35
|
21
|
43
|
72
|
|
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