ID: 1097

AQSQID: 330115001

Site Name: Miller State Park

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

Updated: June 15, 2021, 9:50 a.m.

Location: Peterborough (Summit Loop), NH

Reporting: True, Located: True

Current AQI: 30.0

Peterborough (Summit Loop) NH, US: 42.86183, -71.878626

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 8, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.19 ppb (3) 16.1 μg/m3 (15) 12.7 μg/m3 (53) 53.0
 
June 8, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.19 ppb (3) 15.9 μg/m3 (15) 12.6 μg/m3 (53) 53.0
 
June 8, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.19 ppb (3) 16.1 μg/m3 (15) 12.6 μg/m3 (53) 53.0
 
June 8, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.19 ppb (3) 16.8 μg/m3 (16) 13.4 μg/m3 (54) 54.0
 
June 8, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.19 ppb (3) 18.5 μg/m3 (18) 14.3 μg/m3 (56) 56.0
 
June 8, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (55) 0.21 ppb (3) 20.1 μg/m3 (19) 15.6 μg/m3 (59) 59.0
 
June 8, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 61.0 ppb (71) 0.21 ppb (3) 20.1 μg/m3 (19) 15.6 μg/m3 (59) 71.0
 
June 8, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.18 ppb (3) 19.1 μg/m3 (18) 14.5 μg/m3 (57) 58.0
 
June 8, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (48) 0.15 ppb (2) 18.3 μg/m3 (17) 13.8 μg/m3 (55) 55.0
 
June 7, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.15 ppb (2) 17.6 μg/m3 (17) 13.0 μg/m3 (53) 53.0
 
June 7, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (55) 0.14 ppb (2) 16.8 μg/m3 (16) 12.8 μg/m3 (53) 55.0
 
June 7, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.14 ppb (2) 17.6 μg/m3 (17) 13.4 μg/m3 (54) 58.0
 
June 7, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.15 ppb (2) 17.6 μg/m3 (17) 13.4 μg/m3 (54) 58.0
 
June 7, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.15 ppb (2) 18.7 μg/m3 (18) 13.7 μg/m3 (55) 58.0
 
June 7, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (65) 0.16 ppb (3) 18.8 μg/m3 (18) 13.8 μg/m3 (55) 65.0
 
June 7, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (61) 0.15 ppb (2) 19.0 μg/m3 (18) 14.1 μg/m3 (56) 61.0
 
June 7, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (61) 0.14 ppb (2) 18.8 μg/m3 (18) 13.7 μg/m3 (55) 61.0
 
June 7, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (49) 0.15 ppb (2) 20.1 μg/m3 (19) 13.7 μg/m3 (55) 55.0
 
June 7, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.17 ppb (3) 21.7 μg/m3 (21) 14.3 μg/m3 (56) 56.0
 
June 7, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.17 ppb (3) 70.5 μg/m3 (59) 17.0 μg/m3 (62) 62.0
 
June 7, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.21 ppb (3) 21.2 μg/m3 (20) 14.7 μg/m3 (57) 57.0
 
June 7, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.16 ppb (3) 19.2 μg/m3 (18) 14.5 μg/m3 (57) 57.0
 
June 7, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.17 ppb (3) 19.3 μg/m3 (18) 14.3 μg/m3 (56) 56.0
 
June 7, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.17 ppb (3) 18.6 μg/m3 (18) 14.1 μg/m3 (56) 56.0
 
June 7, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.16 ppb (3) 18.5 μg/m3 (18) 13.2 μg/m3 (54) 54.0
 
June 7, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) N/A 18.1 μg/m3 (17) 13.6 μg/m3 (55) 55.0
 
June 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.16 ppb (3) 18.6 μg/m3 (18) 13.8 μg/m3 (55) 55.0
 
June 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.16 ppb (3) 18.8 μg/m3 (18) 13.4 μg/m3 (54) 54.0
 
June 7, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (49) 0.15 ppb (2) 17.3 μg/m3 (17) 12.9 μg/m3 (53) 53.0
 
June 7, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.15 ppb (2) 17.4 μg/m3 (17) 13.0 μg/m3 (53) 58.0
 
June 7, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.14 ppb (2) 17.5 μg/m3 (17) 12.8 μg/m3 (53) 58.0
 
June 7, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.14 ppb (2) 17.3 μg/m3 (17) 12.5 μg/m3 (52) 58.0
 
June 7, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (65) 0.14 ppb (2) 18.3 μg/m3 (17) 12.8 μg/m3 (53) 65.0
 
June 6, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 61.0 ppb (71) 0.14 ppb (2) 18.1 μg/m3 (17) 12.5 μg/m3 (52) 71.0
 
June 6, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 61.0 ppb (71) 0.14 ppb (2) 18.3 μg/m3 (17) 12.6 μg/m3 (53) 71.0
 
June 6, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 63.0 ppb (78) 0.14 ppb (2) 18.3 μg/m3 (17) 12.3 μg/m3 (52) 78.0
 
June 6, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 63.0 ppb (78) 0.14 ppb (2) 18.3 μg/m3 (17) 12.6 μg/m3 (53) 78.0
 
June 6, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 65.0 ppb (84) N/A 18.4 μg/m3 (18) 12.3 μg/m3 (52) 84.0
 
June 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) 0.15 ppb (2) 18.5 μg/m3 (18) 12.6 μg/m3 (53) 81.0
 
June 6, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 67.0 ppb (91) 0.15 ppb (2) 19.2 μg/m3 (18) 12.7 μg/m3 (53) 91.0
 
June 6, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 70.0 ppb (100) 0.16 ppb (3) 20.1 μg/m3 (19) 13.1 μg/m3 (54) 100.0
 
June 6, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 68.0 ppb (94) 0.16 ppb (3) 19.5 μg/m3 (19) 12.9 μg/m3 (53) 94.0
 
June 6, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.15 ppb (2) 18.7 μg/m3 (18) 11.7 μg/m3 (49) 49.0
 
June 6, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (50) 0.14 ppb (2) 17.1 μg/m3 (16) 10.8 μg/m3 (46) 50.0
 
June 6, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.14 ppb (2) 17.8 μg/m3 (17) 10.5 μg/m3 (44) 51.0
 
June 6, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.14 ppb (2) 16.6 μg/m3 (16) 9.9 μg/m3 (42) 58.0
 
June 6, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 63.0 ppb (78) 0.14 ppb (2) 16.9 μg/m3 (16) 9.8 μg/m3 (41) 78.0
 
June 6, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 63.0 ppb (78) 0.12 ppb (2) 16.5 μg/m3 (16) 9.4 μg/m3 (40) 78.0
 
June 6, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 64.0 ppb (81) 0.1 ppb (2) 15.3 μg/m3 (15) 8.8 μg/m3 (37) 81.0
 
June 6, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 65.0 ppb (84) 0.1 ppb (2) 17.6 μg/m3 (17) 8.7 μg/m3 (37) 84.0
 
June 6, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 65.0 ppb (84) 0.11 ppb (2) 18.1 μg/m3 (17) 8.4 μg/m3 (36) 84.0
 
June 6, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 65.0 ppb (84) 0.12 ppb (2) 19.8 μg/m3 (19) 8.7 μg/m3 (37) 84.0
 
June 6, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 64.0 ppb (81) 0.14 ppb (2) 19.3 μg/m3 (18) 8.7 μg/m3 (37) 81.0
 
June 6, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 66.0 ppb (87) 0.13 ppb (2) 20.7 μg/m3 (20) 8.7 μg/m3 (37) 87.0
 
June 6, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 65.0 ppb (84) 0.14 ppb (2) 22.3 μg/m3 (21) 8.5 μg/m3 (36) 84.0
 
June 6, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 63.0 ppb (78) 0.15 ppb (2) 23.0 μg/m3 (22) 9.1 μg/m3 (38) 78.0
 
June 6, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 61.0 ppb (71) 0.15 ppb (2) 21.6 μg/m3 (20) 9.4 μg/m3 (40) 71.0
 
June 5, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.15 ppb (2) 19.0 μg/m3 (18) 9.4 μg/m3 (40) 58.0
 
June 5, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (55) 0.16 ppb (3) 19.9 μg/m3 (19) 9.3 μg/m3 (39) 55.0
 
June 5, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (61) 0.15 ppb (2) 19.2 μg/m3 (18) 8.6 μg/m3 (36) 61.0
 
June 5, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (61) 0.15 ppb (2) 18.3 μg/m3 (17) 8.2 μg/m3 (35) 61.0
 
June 5, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (68) 0.16 ppb (3) 19.4 μg/m3 (18) 8.0 μg/m3 (34) 68.0
 
June 5, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (65) 0.16 ppb (3) 18.8 μg/m3 (18) 8.1 μg/m3 (34) 65.0
 
June 5, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (55) 0.15 ppb (2) 19.3 μg/m3 (18) 8.0 μg/m3 (34) 55.0
 
June 5, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (50) 0.15 ppb (2) 16.7 μg/m3 (16) 7.8 μg/m3 (33) 50.0
 
June 5, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.14 ppb (2) 15.3 μg/m3 (15) 7.6 μg/m3 (32) 51.0
 
June 5, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.14 ppb (2) 13.0 μg/m3 (13) 7.0 μg/m3 (30) 46.0
 
June 5, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.13 ppb (2) 10.3 μg/m3 (10) 6.0 μg/m3 (25) 37.0
 
June 5, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.12 ppb (2) 8.8 μg/m3 (9) 5.6 μg/m3 (24) 33.0
 
June 5, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.12 ppb (2) 10.0 μg/m3 (10) 5.9 μg/m3 (25) 30.0
 
June 5, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.11 ppb (2) 10.8 μg/m3 (10) 6.4 μg/m3 (27) 38.0
 
June 5, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.12 ppb (2) 10.5 μg/m3 (10) 6.7 μg/m3 (28) 37.0
 
June 5, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.12 ppb (2) 11.2 μg/m3 (11) 7.1 μg/m3 (30) 32.0
 
June 5, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.12 ppb (2) 10.8 μg/m3 (10) 7.5 μg/m3 (32) 32.0
 
June 5, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) 10.5 μg/m3 (10) 7.3 μg/m3 (31) 31.0
 
June 5, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.12 ppb (2) 10.2 μg/m3 (10) 7.4 μg/m3 (31) 31.0
 
June 5, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.13 ppb (2) 7.7 μg/m3 (8) 5.6 μg/m3 (24) 25.0
 
June 5, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.13 ppb (2) 7.9 μg/m3 (8) 5.3 μg/m3 (23) 25.0
 
June 5, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.12 ppb (2) 10.1 μg/m3 (10) 6.2 μg/m3 (26) 29.0
 
June 5, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.11 ppb (2) 9.8 μg/m3 (10) 5.6 μg/m3 (24) 37.0
 
June 5, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.1 ppb (2) 9.8 μg/m3 (10) 5.3 μg/m3 (23) 42.0
 
June 4, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.11 ppb (2) 8.8 μg/m3 (9) 5.2 μg/m3 (22) 40.0
 
June 4, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.11 ppb (2) 9.1 μg/m3 (9) 5.3 μg/m3 (23) 40.0
 
June 4, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.12 ppb (2) 8.9 μg/m3 (9) 5.1 μg/m3 (22) 40.0
 
June 4, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.11 ppb (2) 8.6 μg/m3 (8) 5.0 μg/m3 (21) 40.0
 
June 4, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.12 ppb (2) 8.5 μg/m3 (8) 4.8 μg/m3 (20) 38.0
 
June 4, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.11 ppb (2) 7.4 μg/m3 (7) 4.5 μg/m3 (19) 36.0
 
June 4, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.11 ppb (2) 7.2 μg/m3 (7) 4.1 μg/m3 (18) 38.0
 
June 4, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.11 ppb (2) 7.2 μg/m3 (7) 4.3 μg/m3 (18) 38.0
 
June 4, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.11 ppb (2) 7.4 μg/m3 (7) 4.2 μg/m3 (18) 34.0
 
June 4, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.12 ppb (2) 7.7 μg/m3 (8) 4.6 μg/m3 (20) 29.0
 
June 4, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.12 ppb (2) 8.2 μg/m3 (8) 5.4 μg/m3 (23) 25.0
 
June 4, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.13 ppb (2) 6.0 μg/m3 (6) 4.3 μg/m3 (18) 23.0
 
June 4, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.13 ppb (2) 3.1 μg/m3 (3) 2.7 μg/m3 (12) 24.0
 
June 4, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.14 ppb (2) 2.9 μg/m3 (3) 2.1 μg/m3 (9) 23.0
 
June 4, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.13 ppb (2) 2.8 μg/m3 (3) 2.1 μg/m3 (9) 23.0
 
June 4, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.14 ppb (2) 3.0 μg/m3 (3) 2.6 μg/m3 (11) 24.0
 
June 4, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.13 ppb (2) 3.6 μg/m3 (4) 3.0 μg/m3 (13) 23.0
 
June 4, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.13 ppb (2) 3.8 μg/m3 (4) 3.3 μg/m3 (14) 25.0
 
June 4, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.13 ppb (2) 3.5 μg/m3 (4) 3.1 μg/m3 (13) 26.0
 
June 4, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.13 ppb (2) 3.3 μg/m3 (4) 3.1 μg/m3 (13) 27.0
 
June 4, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.14 ppb (2) 3.7 μg/m3 (4) 3.3 μg/m3 (14) 28.0
 
June 4, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.13 ppb (2) 5.0 μg/m3 (5) 3.7 μg/m3 (16) 29.0
 
June 4, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.12 ppb (2) 5.2 μg/m3 (5) 3.9 μg/m3 (17) 29.0
 
June 4, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.11 ppb (2) 6.7 μg/m3 (7) 4.1 μg/m3 (18) 29.0
 
June 3, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) 6.4 μg/m3 (6) 3.7 μg/m3 (16) 30.0
 
June 3, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) 6.1 μg/m3 (6) 2.8 μg/m3 (12) 30.0
 
June 3, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.09 ppb (2) 5.8 μg/m3 (6) 2.8 μg/m3 (12) 28.0
 
June 3, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.09 ppb (2) 6.2 μg/m3 (6) 3.2 μg/m3 (14) 29.0
 
June 3, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.09 ppb (2) 8.4 μg/m3 (8) 4.1 μg/m3 (18) 32.0
 
June 3, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.1 ppb (2) 9.5 μg/m3 (9) 5.4 μg/m3 (23) 38.0
 
June 3, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.11 ppb (2) 10.8 μg/m3 (10) 5.9 μg/m3 (25) 41.0
 
June 3, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.11 ppb (2) 10.5 μg/m3 (10) 5.7 μg/m3 (24) 42.0
 
June 3, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.11 ppb (2) 11.2 μg/m3 (11) 5.9 μg/m3 (25) 42.0
 
June 3, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.12 ppb (2) 10.3 μg/m3 (10) 6.0 μg/m3 (25) 42.0
 
June 3, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.12 ppb (2) 9.7 μg/m3 (9) 5.7 μg/m3 (24) 24.0
 
June 3, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.11 ppb (2) 7.3 μg/m3 (7) 4.1 μg/m3 (18) 38.0
 
June 3, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) 6.9 μg/m3 (7) 4.3 μg/m3 (18) 31.0
 
June 3, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.11 ppb (2) 8.1 μg/m3 (8) 5.1 μg/m3 (22) 33.0
 
June 3, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.11 ppb (2) 10.8 μg/m3 (10) 7.2 μg/m3 (31) 36.0
 
June 3, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.13 ppb (2) 12.4 μg/m3 (12) 8.8 μg/m3 (37) 39.0
 
June 3, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A 13.4 μg/m3 (13) 9.2 μg/m3 (39) 40.0
 
June 3, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.15 ppb (2) 14.2 μg/m3 (14) 9.6 μg/m3 (40) 41.0
 
June 3, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.16 ppb (3) 15.4 μg/m3 (15) 10.5 μg/m3 (44) 44.0
 
June 3, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.18 ppb (3) 16.6 μg/m3 (16) 11.1 μg/m3 (47) 47.0
 
June 3, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (47) 0.19 ppb (3) 16.2 μg/m3 (15) 10.5 μg/m3 (44) 47.0
 
June 3, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (50) 0.18 ppb (3) 15.4 μg/m3 (15) 10.0 μg/m3 (42) 50.0
 
June 3, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (50) 0.17 ppb (3) 15.3 μg/m3 (15) 9.6 μg/m3 (40) 50.0
 
June 3, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.17 ppb (3) 14.6 μg/m3 (14) 8.0 μg/m3 (34) 58.0
 
June 2, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (68) 0.13 ppb (2) 12.2 μg/m3 (12) 6.3 μg/m3 (27) 68.0
 
June 2, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.12 ppb (2) 11.9 μg/m3 (12) 5.9 μg/m3 (25) 58.0
 
June 2, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (55) 0.12 ppb (2) 11.5 μg/m3 (11) 5.9 μg/m3 (25) 55.0
 
June 2, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (55) 0.13 ppb (2) 11.4 μg/m3 (11) 5.8 μg/m3 (25) 55.0
 
June 2, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.13 ppb (2) 11.7 μg/m3 (11) 5.6 μg/m3 (24) 51.0
 
June 2, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.13 ppb (2) 10.7 μg/m3 (10) 5.4 μg/m3 (23) 51.0
 
June 2, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (55) 0.13 ppb (2) 10.8 μg/m3 (10) 5.3 μg/m3 (23) 55.0
 
June 2, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 61.0 ppb (71) 0.14 ppb (2) 10.8 μg/m3 (10) 5.0 μg/m3 (21) 71.0
 
June 2, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 61.0 ppb (71) 0.11 ppb (2) 11.0 μg/m3 (11) 5.5 μg/m3 (23) 71.0
 
June 2, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.11 ppb (2) 11.5 μg/m3 (11) 5.3 μg/m3 (23) 58.0
 
June 2, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.12 ppb (2) 10.2 μg/m3 (10) 5.1 μg/m3 (22) 51.0
 
June 2, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.11 ppb (2) 10.3 μg/m3 (10) 4.8 μg/m3 (20) 51.0
 
June 2, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.11 ppb (2) 10.1 μg/m3 (10) 4.9 μg/m3 (21) 51.0
 
June 2, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (50) 0.11 ppb (2) 10.8 μg/m3 (10) 5.3 μg/m3 (23) 50.0
 
June 2, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (48) 0.13 ppb (2) 13.0 μg/m3 (13) 7.3 μg/m3 (31) 48.0
 
June 2, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.17 ppb (3) 13.8 μg/m3 (13) 8.3 μg/m3 (35) 45.0
 
June 2, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.16 ppb (3) 13.3 μg/m3 (13) 7.7 μg/m3 (33) 45.0
 
June 2, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.14 ppb (2) 12.6 μg/m3 (12) 6.9 μg/m3 (29) 45.0
 
June 2, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.12 ppb (2) 11.9 μg/m3 (12) 6.1 μg/m3 (26) 45.0
 
June 2, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (50) 0.11 ppb (2) 11.7 μg/m3 (11) 5.9 μg/m3 (25) 50.0
 
June 2, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.11 ppb (2) 11.8 μg/m3 (11) 5.6 μg/m3 (24) 58.0
 
June 2, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (65) 0.11 ppb (2) 10.9 μg/m3 (11) 5.3 μg/m3 (23) 65.0
 
June 2, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (61) 0.11 ppb (2) 11.3 μg/m3 (11) 5.2 μg/m3 (22) 61.0
 
June 2, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (61) 0.12 ppb (2) 11.3 μg/m3 (11) 5.0 μg/m3 (21) 61.0
 
June 1, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (61) 0.11 ppb (2) 10.6 μg/m3 (10) 4.9 μg/m3 (21) 61.0
 
June 1, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (65) 0.11 ppb (2) 11.4 μg/m3 (11) 5.0 μg/m3 (21) 65.0
 
June 1, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (61) 0.12 ppb (2) 11.8 μg/m3 (11) 5.5 μg/m3 (23) 61.0
 
June 1, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.13 ppb (2) 11.8 μg/m3 (11) 5.5 μg/m3 (23) 58.0
 
June 1, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.12 ppb (2) 11.2 μg/m3 (11) 5.2 μg/m3 (22) 58.0
 
June 1, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.12 ppb (2) 12.1 μg/m3 (12) 5.5 μg/m3 (23) 58.0
 
June 1, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.12 ppb (2) 12.3 μg/m3 (12) 5.6 μg/m3 (24) 45.0
 
June 1, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.12 ppb (2) 13.6 μg/m3 (13) 6.3 μg/m3 (27) 46.0
 
June 1, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (50) 0.12 ppb (2) 16.9 μg/m3 (16) 7.9 μg/m3 (33) 50.0
 
June 1, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (50) 0.12 ppb (2) 16.2 μg/m3 (15) 8.3 μg/m3 (35) 50.0
 
June 1, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.12 ppb (2) 14.3 μg/m3 (14) 6.6 μg/m3 (28) 46.0
 
June 1, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.11 ppb (2) 12.8 μg/m3 (12) 6.0 μg/m3 (25) 44.0
 
June 1, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.12 ppb (2) 10.8 μg/m3 (10) 5.5 μg/m3 (23) 42.0
 
June 1, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.11 ppb (2) 10.0 μg/m3 (10) 5.1 μg/m3 (22) 31.0
 
June 1, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.11 ppb (2) 10.1 μg/m3 (10) 5.0 μg/m3 (21) 28.0