ID: 1439

AQSQID: 240330030

Site Name: Hu-Beltsville

Added: April 21, 2020, 6:24 p.m.

Updated: July 2, 2022, 12:27 a.m.

Location: Beltsville (Montpelier), MD

Reporting: True, Located: True

Current AQI: 37.0

Beltsville (Montpelier) MD, US: 39.055302, -76.878304

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 1, 2022, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.11 ppb (2) N/A 8.0 μg/m3 (34) 37.0
 
July 1, 2022, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.11 ppb (2) N/A 8.0 μg/m3 (34) 37.0
 
July 1, 2022, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 39.0
 
July 1, 2022, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 39.0
 
July 1, 2022, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 1, 2022, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.11 ppb (2) N/A 8.0 μg/m3 (34) 35.0
 
July 1, 2022, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.11 ppb (2) N/A 8.0 μg/m3 (34) 35.0
 
July 1, 2022, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.11 ppb (2) N/A 8.0 μg/m3 (34) 35.0
 
July 1, 2022, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (42) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 42.0
 
July 1, 2022, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (42) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 42.0
 
July 1, 2022, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) 0.1 ppb (2) N/A 9.0 μg/m3 (38) 49.0
 
July 1, 2022, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) 0.1 ppb (2) N/A 9.0 μg/m3 (38) 49.0
 
July 1, 2022, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 55.0 ppb (51) 0.13 ppb (2) N/A 14.0 μg/m3 (55) 55.0
 
July 1, 2022, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 55.0 ppb (51) 0.13 ppb (2) N/A 14.0 μg/m3 (55) 55.0
 
July 1, 2022, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 6.0 ppb (6) 0.21 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
July 1, 2022, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (11) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
July 1, 2022, noon N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 6.0 ppb (6) 0.18 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 1, 2022, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 6.0 ppb (6) 0.15 ppb (2) N/A 13.0 μg/m3 (53) 53.0
 
July 1, 2022, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (12) 0.17 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
July 1, 2022, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (12) 0.17 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
July 1, 2022, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (12) 0.17 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
July 1, 2022, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (15) 0.17 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 1, 2022, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) N/A 16.0 μg/m3 (60) 60.0
 
July 1, 2022, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) N/A 16.0 μg/m3 (60) 60.0
 
July 1, 2022, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 1, 2022, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 1, 2022, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.14 ppb (2) N/A 8.0 μg/m3 (34) 38.0
 
July 1, 2022, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.12 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
June 30, 2022, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 57.0 ppb (58) 0.1 ppb (2) N/A 8.0 μg/m3 (34) 58.0
 
June 30, 2022, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 57.0 ppb (58) 0.1 ppb (2) N/A 8.0 μg/m3 (34) 58.0
 
June 30, 2022, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 61.0 ppb (71) 0.1 ppb (2) N/A 8.0 μg/m3 (34) 71.0
 
June 30, 2022, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 61.0 ppb (71) 0.1 ppb (2) N/A 8.0 μg/m3 (34) 71.0
 
June 30, 2022, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 61.0 ppb (71) 0.1 ppb (2) N/A 8.0 μg/m3 (34) 71.0
 
June 30, 2022, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 64.0 ppb (81) 0.09 ppb (2) N/A 10.0 μg/m3 (42) 81.0
 
June 30, 2022, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 64.0 ppb (81) 0.09 ppb (2) N/A 10.0 μg/m3 (42) 81.0
 
June 30, 2022, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 63.0 ppb (78) 0.12 ppb (2) N/A 8.0 μg/m3 (34) 78.0
 
June 30, 2022, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 3.0 ppb (3) 0.19 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
June 30, 2022, 8 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 6.0 ppb (6) 0.19 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
June 30, 2022, 8 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 6.0 ppb (6) 0.19 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
June 30, 2022, 6 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (17) 0.19 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
June 30, 2022, 6 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (17) 0.19 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
June 30, 2022, 6 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (17) 0.19 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
June 30, 2022, 5 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (25) 0.19 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
June 30, 2022, 5 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (25) 0.19 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
June 30, 2022, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
June 30, 2022, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) 0.22 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
June 30, 2022, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (37) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
June 30, 2022, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.13 ppb (2) N/A 7.0 μg/m3 (30) 37.0
 
June 29, 2022, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (46) 0.12 ppb (2) N/A 9.0 μg/m3 (38) 46.0
 
June 29, 2022, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (46) 0.12 ppb (2) N/A 9.0 μg/m3 (38) 46.0
 
June 29, 2022, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 57.0 ppb (58) 0.11 ppb (2) N/A 11.0 μg/m3 (46) 58.0
 
June 29, 2022, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 57.0 ppb (58) 0.11 ppb (2) N/A 11.0 μg/m3 (46) 58.0
 
June 29, 2022, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 57.0 ppb (58) 0.11 ppb (2) N/A 11.0 μg/m3 (46) 58.0
 
June 29, 2022, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 56.0 ppb (55) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 55.0
 
June 29, 2022, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 60.0 ppb (68) 0.09 ppb (2) N/A 9.0 μg/m3 (38) 68.0
 
June 29, 2022, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 63.0 ppb (78) 0.08 ppb (2) N/A 7.0 μg/m3 (30) 78.0
 
June 29, 2022, 1 p.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
June 29, 2022, noon N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 16.0 ppb (15) 0.29 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
June 29, 2022, noon N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 16.0 ppb (15) 0.29 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
June 29, 2022, 10 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 2.0 ppb (2) 0.22 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
June 29, 2022, 10 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 2.0 ppb (2) 0.22 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
June 29, 2022, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 9.0 ppb (9) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
June 29, 2022, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (13) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
June 29, 2022, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (13) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
June 29, 2022, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (17) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
June 29, 2022, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
June 28, 2022, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (43) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 43.0
 
June 28, 2022, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (50) 0.08 ppb (2) N/A 3.0 μg/m3 (13) 50.0
 
June 28, 2022, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (50) 0.08 ppb (2) N/A 3.0 μg/m3 (13) 50.0
 
June 28, 2022, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) 0.07 ppb (2) N/A 4.0 μg/m3 (17) 50.0
 
June 28, 2022, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 53.0 ppb (50) 0.07 ppb (2) N/A 2.0 μg/m3 (9) 50.0
 
June 28, 2022, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 53.0 ppb (50) 0.07 ppb (2) N/A 2.0 μg/m3 (9) 50.0
 
June 28, 2022, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) 0.06 ppb (2) N/A 3.0 μg/m3 (13) 48.0
 
June 28, 2022, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) 0.06 ppb (2) N/A 3.0 μg/m3 (13) 48.0
 
June 28, 2022, 11 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 11.0 ppb (11) 0.14 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
June 28, 2022, 10 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 14.0 ppb (13) 0.09 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
June 28, 2022, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) 0.08 ppb (2) N/A 3.0 μg/m3 (13) 25.0
 
June 28, 2022, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) 0.08 ppb (2) N/A 3.0 μg/m3 (13) 25.0
 
June 28, 2022, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) 0.08 ppb (2) N/A 3.0 μg/m3 (13) 25.0
 
June 28, 2022, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.07 ppb (2) N/A 3.0 μg/m3 (13) 31.0
 
June 28, 2022, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.07 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
June 28, 2022, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) 0.08 ppb (2) N/A 3.0 μg/m3 (13) 38.0
 
June 28, 2022, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (33) 0.11 ppb (2) N/A 7.0 μg/m3 (30) 33.0
 
June 28, 2022, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (20) 0.13 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
June 28, 2022, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 24.0
 
June 28, 2022, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 24.0
 
June 27, 2022, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.09 ppb (2) N/A 6.0 μg/m3 (25) 38.0
 
June 27, 2022, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.09 ppb (2) N/A 6.0 μg/m3 (25) 38.0
 
June 27, 2022, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.08 ppb (2) N/A 6.0 μg/m3 (25) 40.0
 
June 27, 2022, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.08 ppb (2) N/A 6.0 μg/m3 (25) 40.0
 
June 27, 2022, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.08 ppb (2) N/A 6.0 μg/m3 (25) 40.0
 
June 27, 2022, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.07 ppb (2) N/A 6.0 μg/m3 (25) 41.0
 
June 27, 2022, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.07 ppb (2) N/A 6.0 μg/m3 (25) 41.0
 
June 27, 2022, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.07 ppb (2) N/A 6.0 μg/m3 (25) 41.0
 
June 27, 2022, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.08 ppb (2) N/A 7.0 μg/m3 (30) 38.0
 
June 27, 2022, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.08 ppb (2) N/A 7.0 μg/m3 (30) 38.0
 
June 27, 2022, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (20) 0.1 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
June 27, 2022, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (20) 0.1 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
June 27, 2022, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (16) 0.11 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
June 27, 2022, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (16) 0.1 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
June 27, 2022, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.08 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
June 27, 2022, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (17) 0.08 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
June 27, 2022, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (16) 0.08 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
June 27, 2022, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (16) 0.08 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
June 27, 2022, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (13) 0.06 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
June 27, 2022, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 13.0 ppb (13) 0.08 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
June 27, 2022, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 13.0 ppb (13) 0.09 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
June 27, 2022, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 13.0 ppb (13) 0.12 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
June 27, 2022, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 10.0 ppb (10) 0.12 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
June 27, 2022, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 7.0 ppb (7) 0.11 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
June 27, 2022, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (11) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
June 27, 2022, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (17) 0.07 ppb (2) N/A 3.0 μg/m3 (13) 17.0
 
June 26, 2022, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (44) 0.04 ppb (0) N/A 6.0 μg/m3 (25) 44.0
 
June 26, 2022, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) 0.04 ppb (0) N/A 9.0 μg/m3 (38) 43.0
 
June 26, 2022, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) 0.06 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
June 26, 2022, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) 0.03 ppb (0) N/A 5.0 μg/m3 (21) 44.0
 
June 26, 2022, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (45) 0.03 ppb (0) N/A 4.0 μg/m3 (17) 45.0
 
June 26, 2022, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (44) 0.04 ppb (0) N/A 7.0 μg/m3 (30) 44.0
 
June 26, 2022, noon N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) 0.07 ppb (2) N/A 4.0 μg/m3 (17) 28.0
 
June 26, 2022, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) 0.07 ppb (2) N/A 5.0 μg/m3 (21) 25.0
 
June 26, 2022, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) 0.07 ppb (2) N/A 5.0 μg/m3 (21) 25.0
 
June 26, 2022, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) 0.07 ppb (2) N/A 3.0 μg/m3 (13) 25.0
 
June 26, 2022, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) 0.07 ppb (2) N/A 3.0 μg/m3 (13) 25.0
 
June 26, 2022, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) 0.06 ppb (2) N/A 4.0 μg/m3 (17) 24.0
 
June 26, 2022, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) 0.07 ppb (2) N/A 3.0 μg/m3 (13) 25.0
 
June 26, 2022, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) 0.07 ppb (2) N/A 3.0 μg/m3 (13) 25.0
 
June 26, 2022, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) 0.08 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
June 26, 2022, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) 0.08 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
June 26, 2022, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) 0.09 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
June 26, 2022, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.07 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
June 26, 2022, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.07 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
June 25, 2022, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 0.05 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
June 25, 2022, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.08 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
June 25, 2022, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.08 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
June 25, 2022, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.1 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
June 25, 2022, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.1 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
June 25, 2022, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.1 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
June 25, 2022, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.1 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
June 25, 2022, 1 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A 0.13 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
June 25, 2022, 1 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A 0.13 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
June 25, 2022, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 1.0 ppb (1) 0.19 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
June 25, 2022, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.19 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
June 25, 2022, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 1.0 ppb (1) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
June 25, 2022, 9 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A 0.24 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
June 25, 2022, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.1 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
June 25, 2022, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.08 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
June 25, 2022, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.08 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
June 25, 2022, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.07 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
June 24, 2022, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.09 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
June 24, 2022, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 1.0 ppb (1) 0.09 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
June 24, 2022, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 1.0 ppb (1) 0.06 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
June 24, 2022, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.06 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
June 24, 2022, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.06 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
June 24, 2022, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.04 ppb (0) N/A 1.0 μg/m3 (5) 5.0
 
June 24, 2022, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.04 ppb (0) N/A -1.0 μg/m3 (0) 2.0
 
June 24, 2022, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 1.0 ppb (1) 0.05 ppb (2) N/A 2.0 μg/m3 (9) 9.0
 
June 24, 2022, noon N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 1.0 ppb (1) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
June 24, 2022, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 1.0 ppb (1) 0.14 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
June 24, 2022, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 1.0 ppb (1) 0.14 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
June 24, 2022, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 1.0 ppb (1) 0.14 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
June 24, 2022, 8 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
June 24, 2022, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
June 24, 2022, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 1.0 ppb (1) 0.12 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
June 24, 2022, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 1.0 ppb (1) 0.12 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
June 24, 2022, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 3.0 ppb (3) 0.09 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
June 24, 2022, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 4.0 ppb (4) 0.07 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
June 24, 2022, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 5.0 ppb (5) 0.06 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
June 24, 2022, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (17) 0.04 ppb (0) N/A 6.0 μg/m3 (25) 25.0