ID: 1097

AQSQID: 330115001

Site Name: Miller State Park

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

Updated: Aug. 3, 2021, 11:02 p.m.

Location: Peterborough (Summit Loop), NH

Reporting: True, Located: True

Current AQI: 21.0

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
Aug. 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 4.9 μg/m3 (21) 21.0
 
Aug. 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.13 ppb (2) 8.0 μg/m3 (8) 5.3 μg/m3 (23) 28.0
 
Aug. 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.14 ppb (2) 9.0 μg/m3 (9) 5.7 μg/m3 (24) 28.0
 
Aug. 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.15 ppb (2) 9.0 μg/m3 (9) 5.7 μg/m3 (24) 26.0
 
Aug. 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.15 ppb (2) 9.0 μg/m3 (9) 5.6 μg/m3 (24) 28.0
 
Aug. 3, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.14 ppb (2) 8.0 μg/m3 (8) 5.1 μg/m3 (22) 28.0
 
Aug. 3, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.13 ppb (2) 8.0 μg/m3 (8) 4.7 μg/m3 (20) 26.0
 
Aug. 3, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.13 ppb (2) 8.0 μg/m3 (8) 4.3 μg/m3 (18) 25.0
 
Aug. 3, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.12 ppb (2) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 24.0
 
Aug. 3, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.12 ppb (2) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 25.0
 
Aug. 3, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.13 ppb (2) 6.0 μg/m3 (6) 4.1 μg/m3 (18) 26.0
 
Aug. 3, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.13 ppb (2) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 27.0
 
Aug. 3, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.12 ppb (2) 6.0 μg/m3 (6) 3.9 μg/m3 (17) 28.0
 
Aug. 3, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.12 ppb (2) 6.0 μg/m3 (6) 3.8 μg/m3 (16) 27.0
 
Aug. 3, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.12 ppb (2) 6.0 μg/m3 (6) 3.8 μg/m3 (16) 26.0
 
Aug. 3, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.12 ppb (2) 7.0 μg/m3 (7) 4.4 μg/m3 (19) 26.0
 
Aug. 3, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.12 ppb (2) 9.0 μg/m3 (9) 5.1 μg/m3 (22) 25.0
 
Aug. 3, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.12 ppb (2) 9.0 μg/m3 (9) 5.4 μg/m3 (23) 25.0
 
Aug. 3, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.12 ppb (2) 9.0 μg/m3 (9) 5.4 μg/m3 (23) 25.0
 
Aug. 3, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.12 ppb (2) 9.0 μg/m3 (9) 5.6 μg/m3 (24) 24.0
 
Aug. 3, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.12 ppb (2) 9.0 μg/m3 (9) 5.5 μg/m3 (23) 23.0
 
Aug. 3, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.12 ppb (2) 9.0 μg/m3 (9) 5.5 μg/m3 (23) 23.0
 
Aug. 2, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.13 ppb (2) 9.0 μg/m3 (9) 5.5 μg/m3 (23) 23.0
 
Aug. 2, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.12 ppb (2) 9.0 μg/m3 (9) 5.7 μg/m3 (24) 24.0
 
Aug. 2, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.12 ppb (2) 9.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Aug. 2, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.12 ppb (2) 9.0 μg/m3 (9) 6.1 μg/m3 (26) 26.0
 
Aug. 2, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.12 ppb (2) 9.0 μg/m3 (9) 5.9 μg/m3 (25) 27.0
 
Aug. 2, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.14 ppb (2) 8.0 μg/m3 (8) 5.4 μg/m3 (23) 29.0
 
Aug. 2, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) 7.0 μg/m3 (7) 4.9 μg/m3 (21) 31.0
 
Aug. 2, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.16 ppb (3) 7.0 μg/m3 (7) 4.8 μg/m3 (20) 30.0
 
Aug. 2, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.16 ppb (3) 8.0 μg/m3 (8) 5.6 μg/m3 (24) 31.0
 
Aug. 2, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.17 ppb (3) 8.0 μg/m3 (8) 5.5 μg/m3 (23) 34.0
 
Aug. 2, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.16 ppb (3) 7.0 μg/m3 (7) 4.5 μg/m3 (19) 19.0
 
Aug. 2, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.16 ppb (3) 5.0 μg/m3 (5) 3.7 μg/m3 (16) 30.0
 
Aug. 2, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.16 ppb (3) 5.0 μg/m3 (5) 3.4 μg/m3 (15) 32.0
 
Aug. 2, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 33.0
 
Aug. 2, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.15 ppb (2) 4.0 μg/m3 (4) 3.0 μg/m3 (13) 34.0
 
Aug. 2, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.14 ppb (2) 3.0 μg/m3 (3) 2.2 μg/m3 (10) 32.0
 
Aug. 2, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A 2.0 μg/m3 (2) 1.9 μg/m3 (8) 35.0
 
Aug. 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.14 ppb (2) 2.0 μg/m3 (2) 2.1 μg/m3 (9) 36.0
 
Aug. 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.14 ppb (2) 2.0 μg/m3 (2) 2.3 μg/m3 (10) 36.0
 
Aug. 2, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.14 ppb (2) 4.0 μg/m3 (4) 3.6 μg/m3 (16) 38.0
 
Aug. 2, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.15 ppb (2) 6.0 μg/m3 (6) 4.2 μg/m3 (18) 38.0
 
Aug. 2, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.15 ppb (2) 10.0 μg/m3 (10) 6.7 μg/m3 (28) 37.0
 
Aug. 2, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.17 ppb (3) 13.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
Aug. 2, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) 12.0 μg/m3 (12) 7.6 μg/m3 (32) 33.0
 
Aug. 1, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.16 ppb (3) 11.0 μg/m3 (11) 7.1 μg/m3 (30) 33.0
 
Aug. 1, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.16 ppb (3) 11.0 μg/m3 (11) 7.2 μg/m3 (31) 36.0
 
Aug. 1, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.15 ppb (2) 10.0 μg/m3 (10) 6.5 μg/m3 (28) 36.0
 
Aug. 1, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.14 ppb (2) 10.0 μg/m3 (10) 6.1 μg/m3 (26) 33.0
 
Aug. 1, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A 10.0 μg/m3 (10) 5.8 μg/m3 (25) 32.0
 
Aug. 1, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.15 ppb (2) 9.0 μg/m3 (9) 5.4 μg/m3 (23) 31.0
 
Aug. 1, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.11 ppb (2) 8.0 μg/m3 (8) 5.1 μg/m3 (22) 30.0
 
Aug. 1, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.11 ppb (2) 8.0 μg/m3 (8) 4.6 μg/m3 (20) 29.0
 
Aug. 1, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.11 ppb (2) 7.0 μg/m3 (7) 4.2 μg/m3 (18) 28.0
 
Aug. 1, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.11 ppb (2) 8.0 μg/m3 (8) 4.0 μg/m3 (17) 27.0
 
Aug. 1, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 27.0
 
Aug. 1, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) 7.0 μg/m3 (7) 4.1 μg/m3 (18) 28.0
 
Aug. 1, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 28.0
 
Aug. 1, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) 6.0 μg/m3 (6) 3.8 μg/m3 (16) 29.0
 
Aug. 1, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) 6.0 μg/m3 (6) 3.8 μg/m3 (16) 29.0
 
Aug. 1, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.09 ppb (2) 7.0 μg/m3 (7) 3.9 μg/m3 (17) 28.0
 
Aug. 1, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.09 ppb (2) 6.0 μg/m3 (6) 3.9 μg/m3 (17) 27.0
 
Aug. 1, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 7.0 μg/m3 (7) 4.1 μg/m3 (18) 26.0
 
Aug. 1, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 7.0 μg/m3 (7) 4.2 μg/m3 (18) 26.0
 
Aug. 1, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 7.0 μg/m3 (7) 4.2 μg/m3 (18) 26.0
 
Aug. 1, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 7.0 μg/m3 (7) 4.4 μg/m3 (19) 26.0
 
Aug. 1, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.11 ppb (2) 7.0 μg/m3 (7) 4.5 μg/m3 (19) 25.0
 
Aug. 1, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.11 ppb (2) 7.0 μg/m3 (7) 3.9 μg/m3 (17) 25.0
 
Aug. 1, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 6.0 μg/m3 (6) 3.6 μg/m3 (16) 27.0
 
July 31, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.1 ppb (2) 6.0 μg/m3 (6) 3.5 μg/m3 (15) 25.0
 
July 31, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 6.0 μg/m3 (6) 3.5 μg/m3 (15) 26.0
 
July 31, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 6.0 μg/m3 (6) 3.4 μg/m3 (15) 27.0
 
July 31, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 6.0 μg/m3 (6) 3.3 μg/m3 (14) 27.0
 
July 31, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 4.0 μg/m3 (4) 3.2 μg/m3 (14) 27.0
 
July 31, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.09 ppb (2) 6.0 μg/m3 (6) 3.2 μg/m3 (14) 26.0
 
July 31, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.1 ppb (2) 6.0 μg/m3 (6) 3.3 μg/m3 (14) 25.0
 
July 31, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.09 ppb (2) 6.0 μg/m3 (6) 3.2 μg/m3 (14) 23.0
 
July 31, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.09 ppb (2) 6.0 μg/m3 (6) 3.2 μg/m3 (14) 23.0
 
July 31, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.08 ppb (2) 6.0 μg/m3 (6) 3.3 μg/m3 (14) 23.0
 
July 31, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.08 ppb (2) 7.0 μg/m3 (7) 3.4 μg/m3 (15) 21.0
 
July 31, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.09 ppb (2) 6.0 μg/m3 (6) 3.4 μg/m3 (15) 21.0
 
July 31, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.09 ppb (2) 7.0 μg/m3 (7) 3.4 μg/m3 (15) 22.0
 
July 31, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.09 ppb (2) 7.0 μg/m3 (7) 3.5 μg/m3 (15) 22.0
 
July 31, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.09 ppb (2) 7.0 μg/m3 (7) 3.6 μg/m3 (16) 22.0
 
July 31, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.1 ppb (2) 8.0 μg/m3 (8) 3.6 μg/m3 (16) 22.0
 
July 31, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.1 ppb (2) 7.0 μg/m3 (7) 3.3 μg/m3 (14) 23.0
 
July 31, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.1 ppb (2) 8.0 μg/m3 (8) 3.3 μg/m3 (14) 25.0
 
July 31, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) 8.0 μg/m3 (8) 3.1 μg/m3 (13) 24.0
 
July 31, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.09 ppb (2) 8.0 μg/m3 (8) 2.9 μg/m3 (13) 23.0
 
July 31, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) 7.0 μg/m3 (7) 2.6 μg/m3 (11) 24.0
 
July 31, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) 7.0 μg/m3 (7) 2.7 μg/m3 (12) 24.0
 
July 31, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.1 ppb (2) 6.0 μg/m3 (6) 2.4 μg/m3 (10) 25.0
 
July 31, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 6.0 μg/m3 (6) 2.7 μg/m3 (12) 26.0
 
July 30, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.11 ppb (2) 6.0 μg/m3 (6) 3.2 μg/m3 (14) 28.0
 
July 30, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.12 ppb (2) 7.0 μg/m3 (7) 3.6 μg/m3 (16) 29.0
 
July 30, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.13 ppb (2) 7.0 μg/m3 (7) 4.1 μg/m3 (18) 29.0
 
July 30, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.14 ppb (2) 7.0 μg/m3 (7) 4.6 μg/m3 (20) 29.0
 
July 30, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.17 ppb (3) 8.0 μg/m3 (8) 5.4 μg/m3 (23) 28.0
 
July 30, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.18 ppb (3) 8.0 μg/m3 (8) 5.9 μg/m3 (25) 29.0
 
July 30, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.19 ppb (3) 10.0 μg/m3 (10) 7.5 μg/m3 (32) 32.0
 
July 30, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.19 ppb (3) 12.0 μg/m3 (12) 9.2 μg/m3 (39) 39.0
 
July 30, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.19 ppb (3) 14.0 μg/m3 (13) 10.8 μg/m3 (46) 46.0
 
July 30, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.19 ppb (3) 16.0 μg/m3 (15) 12.1 μg/m3 (51) 51.0
 
July 30, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.19 ppb (3) 12.0 μg/m3 (12) 9.3 μg/m3 (39) 39.0
 
July 30, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) 7.0 μg/m3 (7) 5.3 μg/m3 (23) 29.0
 
July 30, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) 2.0 μg/m3 (2) 1.6 μg/m3 (7) 29.0
 
July 30, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) 1.0 μg/m3 (1) 0.8 μg/m3 (4) 32.0
 
July 30, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) 0.0 μg/m3 (0) 0.5 μg/m3 (3) 35.0
 
July 30, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.19 ppb (3) 0.0 μg/m3 (0) 0.1 μg/m3 (1) 38.0
 
July 30, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.18 ppb (3) 0.0 μg/m3 (0) 0.0 μg/m3 (0) 39.0
 
July 30, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.17 ppb (3) 0.0 μg/m3 (0) 0.0 μg/m3 (0) 44.0
 
July 30, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (50) 0.15 ppb (2) 0.0 μg/m3 (0) 0.3 μg/m3 (2) 50.0
 
July 30, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (68) 0.14 ppb (2) 1.0 μg/m3 (1) 0.4 μg/m3 (2) 68.0
 
July 30, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.15 ppb (2) 1.0 μg/m3 (1) 0.3 μg/m3 (2) 51.0
 
July 30, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.15 ppb (2) 4.0 μg/m3 (4) 1.9 μg/m3 (8) 51.0
 
July 30, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.17 ppb (3) 7.0 μg/m3 (7) 4.5 μg/m3 (19) 40.0
 
July 30, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) 7.0 μg/m3 (7) 5.0 μg/m3 (21) 33.0
 
July 29, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.16 ppb (3) 5.0 μg/m3 (5) 3.5 μg/m3 (15) 30.0
 
July 29, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) 8.0 μg/m3 (8) 5.3 μg/m3 (23) 31.0
 
July 29, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) 10.0 μg/m3 (10) 7.3 μg/m3 (31) 35.0
 
July 29, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.21 ppb (3) 14.0 μg/m3 (13) 10.4 μg/m3 (44) 44.0
 
July 29, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.21 ppb (3) 18.0 μg/m3 (17) 14.2 μg/m3 (56) 56.0
 
July 29, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.22 ppb (3) 19.0 μg/m3 (18) 14.7 μg/m3 (57) 57.0
 
July 29, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.22 ppb (3) 18.0 μg/m3 (17) 14.0 μg/m3 (55) 55.0
 
July 29, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.22 ppb (3) 17.0 μg/m3 (16) 13.0 μg/m3 (53) 53.0
 
July 29, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.21 ppb (3) 17.0 μg/m3 (16) 13.1 μg/m3 (54) 54.0
 
July 29, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.22 ppb (3) 18.0 μg/m3 (17) 13.3 μg/m3 (54) 54.0
 
July 29, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.22 ppb (3) 17.0 μg/m3 (16) 12.9 μg/m3 (53) 53.0
 
July 29, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.23 ppb (3) 11.0 μg/m3 (11) 8.4 μg/m3 (36) 36.0
 
July 29, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.23 ppb (3) 8.0 μg/m3 (8) 6.4 μg/m3 (27) 27.0
 
July 29, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.23 ppb (3) 8.0 μg/m3 (8) 6.2 μg/m3 (26) 27.0
 
July 29, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.22 ppb (3) 7.0 μg/m3 (7) 5.4 μg/m3 (23) 25.0
 
July 29, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.23 ppb (3) 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
July 29, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A 11.0 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
July 29, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.13 ppb (2) 7.0 μg/m3 (7) 3.9 μg/m3 (17) 28.0
 
July 29, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.11 ppb (2) 7.0 μg/m3 (7) 3.9 μg/m3 (17) 28.0
 
July 29, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 7.0 μg/m3 (7) 3.9 μg/m3 (17) 27.0
 
July 29, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.11 ppb (2) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 27.0
 
July 29, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.11 ppb (2) 7.0 μg/m3 (7) 4.2 μg/m3 (18) 26.0
 
July 29, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.12 ppb (2) 8.0 μg/m3 (8) 4.3 μg/m3 (18) 27.0
 
July 29, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.12 ppb (2) 8.0 μg/m3 (8) 4.4 μg/m3 (19) 27.0
 
July 28, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.12 ppb (2) 8.0 μg/m3 (8) 4.4 μg/m3 (19) 25.0
 
July 28, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.12 ppb (2) 8.0 μg/m3 (8) 4.5 μg/m3 (19) 25.0
 
July 28, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.13 ppb (2) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 25.0
 
July 28, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.15 ppb (2) 9.0 μg/m3 (9) 5.4 μg/m3 (23) 26.0
 
July 28, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.16 ppb (3) 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
July 28, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 12.0 μg/m3 (12) 7.9 μg/m3 (33) 33.0
 
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.18 ppb (3) 13.0 μg/m3 (13) 8.6 μg/m3 (36) 36.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.18 ppb (3) 12.0 μg/m3 (12) 8.3 μg/m3 (35) 35.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.17 ppb (3) 13.0 μg/m3 (13) 8.4 μg/m3 (36) 36.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.18 ppb (3) 14.0 μg/m3 (13) 9.1 μg/m3 (38) 38.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.18 ppb (3) 11.0 μg/m3 (11) 7.8 μg/m3 (33) 33.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.18 ppb (3) 12.0 μg/m3 (12) 8.3 μg/m3 (35) 35.0
 
July 28, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.21 ppb (3) 11.0 μg/m3 (11) 7.5 μg/m3 (32) 32.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.21 ppb (3) 8.0 μg/m3 (8) 5.7 μg/m3 (24) 35.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.21 ppb (3) 6.0 μg/m3 (6) 4.5 μg/m3 (19) 31.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.21 ppb (3) 6.0 μg/m3 (6) 4.4 μg/m3 (19) 27.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.21 ppb (3) 12.0 μg/m3 (12) 8.9 μg/m3 (38) 38.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.22 ppb (3) 16.0 μg/m3 (15) 12.3 μg/m3 (52) 52.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.23 ppb (3) 16.0 μg/m3 (15) 12.8 μg/m3 (53) 53.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.22 ppb (3) 19.0 μg/m3 (18) 15.1 μg/m3 (58) 58.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.22 ppb (3) 20.0 μg/m3 (19) 16.3 μg/m3 (60) 60.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.22 ppb (3) 21.0 μg/m3 (20) 17.4 μg/m3 (63) 63.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.22 ppb (3) 19.0 μg/m3 (18) 15.3 μg/m3 (58) 58.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.22 ppb (3) 16.0 μg/m3 (15) 12.3 μg/m3 (52) 52.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.22 ppb (3) 17.0 μg/m3 (16) 13.2 μg/m3 (54) 54.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.22 ppb (3) 20.0 μg/m3 (19) 15.0 μg/m3 (58) 58.0