Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 Sep
Sun
20 Sep
Mon
21 Sep
Tue
22 Sep
Wed
23 Sep
Thu
24 Sep
Fri
25 Sep
Real-time AQI (Monitoring Station in Langfang)
药材公司
4221
PM2.5
42
PM10
90
O3
0.5
CO
2
SO2
16
NO2
开发区
5932
PM2.5
62 *
PM10
64
O3
0.4
CO
3
SO2
23
NO2
北华航天学院
5224
PM2.5
52 *
PM10
64
O3
0.3
CO
3
SO2
28
NO2
河北工业大学
5328
PM2.5
53 *
PM10
74
O3
0.4
CO
2
SO2
25
NO2
Air quality in the last 12 months (Langfang)
|
2026/08
|
33
|
34
|
32
|
30
|
44
|
58
|
42
|
29
|
47
|
68
|
33
|
21
|
19
|
28
|
51
|
27
|
28
|
37
|
42
|
52
|
59
|
36
|
36
|
39
|
38
|
24
|
36
|
25
|
31
|
36
|
30
|
|
2026/07
|
44
|
81
|
81
|
58
|
41
|
49
|
44
|
45
|
55
|
34
|
36
|
26
|
30
|
34
|
50
|
51
|
42
|
37
|
60
|
46
|
45
|
38
|
44
|
45
|
52
|
42
|
47
|
50
|
35
|
36
|
34
|
|
2026/06
|
75
|
92
|
50
|
31
|
31
|
31
|
21
|
36
|
26
|
38
|
32
|
68
|
52
|
46
|
69
|
43
|
42
|
87
|
81
|
34
|
34
|
69
|
65
|
66
|
37
|
45
|
63
|
87
|
63
|
45
|
|
|
2026/05
|
71
|
52
|
28
|
48
|
66
|
56
|
47
|
55
|
64
|
66
|
81
|
79
|
86
|
84
|
71
|
53
|
39
|
28
|
38
|
31
|
39
|
43
|
41
|
75
|
40
|
32
|
43
|
32
|
39
|
61
|
73
|
|
2026/04
|
70
|
81
|
118
|
70
|
51
|
27
|
35
|
69
|
71
|
61
|
69
|
82
|
101
|
80
|
108
|
109
|
80
|
120
|
91
|
93
|
69
|
44
|
61
|
60
|
63
|
60
|
52
|
39
|
34
|
53
|
|
|
2026/03
|
90
|
115
|
141
|
123
|
72
|
60
|
86
|
89
|
34
|
107
|
90
|
96
|
96
|
65
|
63
|
79
|
153
|
50
|
55
|
62
|
111
|
103
|
106
|
167
|
158
|
215
|
62
|
88
|
122
|
35
|
51
|
|
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
|
|
|
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