ID: 1097

AQSQID: 330115001

Site Name: Miller State Park

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

Updated: Dec. 9, 2021, 7:16 a.m.

Location: Peterborough (Summit Loop), NH

Reporting: True, Located: True

Current AQI: 31.0

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
Dec. 9, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 4.0 μg/m3 (4) 2.7 μg/m3 (12) 31.0
 
Dec. 9, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.15 ppb (2) 4.0 μg/m3 (4) 2.9 μg/m3 (13) 29.0
 
Dec. 9, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.14 ppb (2) 3.0 μg/m3 (3) 2.6 μg/m3 (11) 31.0
 
Dec. 9, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 3.0 μg/m3 (3) 2.6 μg/m3 (11) 31.0
 
Dec. 9, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.15 ppb (2) 4.0 μg/m3 (4) 2.5 μg/m3 (11) 29.0
 
Dec. 9, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.16 ppb (3) 4.0 μg/m3 (4) 2.5 μg/m3 (11) 30.0
 
Dec. 8, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.16 ppb (3) 5.0 μg/m3 (5) 3.6 μg/m3 (16) 29.0
 
Dec. 8, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.16 ppb (3) 7.0 μg/m3 (7) 3.9 μg/m3 (17) 27.0
 
Dec. 8, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) 8.0 μg/m3 (8) 4.3 μg/m3 (18) 28.0
 
Dec. 8, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.17 ppb (3) 8.0 μg/m3 (8) 4.8 μg/m3 (20) 27.0
 
Dec. 8, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.18 ppb (3) 7.0 μg/m3 (7) 4.6 μg/m3 (20) 27.0
 
Dec. 8, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.18 ppb (3) 7.0 μg/m3 (7) 4.2 μg/m3 (18) 28.0
 
Dec. 8, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.15 ppb (2) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 32.0
 
Dec. 8, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) 7.0 μg/m3 (7) 4.4 μg/m3 (19) 33.0
 
Dec. 8, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.15 ppb (2) 6.0 μg/m3 (6) 4.3 μg/m3 (18) 34.0
 
Dec. 8, 2021, 2 p.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
 
Dec. 8, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.15 ppb (2) 6.0 μg/m3 (6) 3.8 μg/m3 (16) 16.0
 
Dec. 8, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 5.0 μg/m3 (5) 3.3 μg/m3 (14) 31.0
 
Dec. 8, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 5.0 μg/m3 (5) 3.4 μg/m3 (15) 31.0
 
Dec. 8, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 7.0 μg/m3 (7) 4.1 μg/m3 (18) 31.0
 
Dec. 8, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 6.0 μg/m3 (6) 4.2 μg/m3 (18) 31.0
 
Dec. 8, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 31.0
 
Dec. 8, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A 6.0 μg/m3 (6) 3.9 μg/m3 (17) 30.0
 
Dec. 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.15 ppb (2) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 30.0
 
Dec. 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.16 ppb (3) 6.0 μg/m3 (6) 3.8 μg/m3 (16) 30.0
 
Dec. 8, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.15 ppb (2) 6.0 μg/m3 (6) 3.7 μg/m3 (16) 30.0
 
Dec. 8, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.16 ppb (3) 5.0 μg/m3 (5) 3.5 μg/m3 (15) 29.0
 
Dec. 8, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.15 ppb (2) 4.0 μg/m3 (4) 3.1 μg/m3 (13) 29.0
 
Dec. 8, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.16 ppb (3) 4.0 μg/m3 (4) 3.0 μg/m3 (13) 29.0
 
Dec. 8, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.15 ppb (2) 3.0 μg/m3 (3) 2.6 μg/m3 (11) 29.0
 
Dec. 7, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.15 ppb (2) 3.0 μg/m3 (3) 1.9 μg/m3 (8) 29.0
 
Dec. 7, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.15 ppb (2) 1.0 μg/m3 (1) 1.2 μg/m3 (5) 29.0
 
Dec. 7, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 1.0 μg/m3 (1) 1.0 μg/m3 (5) 31.0
 
Dec. 7, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.15 ppb (2) 2.0 μg/m3 (2) 1.0 μg/m3 (5) 32.0
 
Dec. 7, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.16 ppb (3) 1.0 μg/m3 (1) 1.1 μg/m3 (5) 32.0
 
Dec. 7, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.15 ppb (2) 2.0 μg/m3 (2) 1.1 μg/m3 (5) 32.0
 
Dec. 7, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) 2.0 μg/m3 (2) 1.1 μg/m3 (5) 33.0
 
Dec. 7, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.16 ppb (3) 2.0 μg/m3 (2) 1.1 μg/m3 (5) 32.0
 
Dec. 7, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) 2.0 μg/m3 (2) 1.0 μg/m3 (5) 31.0
 
Dec. 7, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) 1.0 μg/m3 (1) 1.0 μg/m3 (5) 31.0
 
Dec. 7, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) 2.0 μg/m3 (2) 1.1 μg/m3 (5) 31.0
 
Dec. 7, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.16 ppb (3) 2.0 μg/m3 (2) 1.2 μg/m3 (5) 30.0
 
Dec. 7, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.16 ppb (3) 2.0 μg/m3 (2) 1.5 μg/m3 (7) 30.0
 
Dec. 7, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.16 ppb (3) 3.0 μg/m3 (3) 1.9 μg/m3 (8) 29.0
 
Dec. 7, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.16 ppb (3) 3.0 μg/m3 (3) 2.1 μg/m3 (9) 29.0
 
Dec. 7, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.16 ppb (3) 4.0 μg/m3 (4) 2.3 μg/m3 (10) 29.0
 
Dec. 7, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.17 ppb (3) 5.0 μg/m3 (5) 3.1 μg/m3 (13) 29.0
 
Dec. 7, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.17 ppb (3) 6.0 μg/m3 (6) 3.8 μg/m3 (16) 28.0
 
Dec. 7, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.17 ppb (3) 4.0 μg/m3 (4) 3.2 μg/m3 (14) 29.0
 
Dec. 7, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.17 ppb (3) 2.0 μg/m3 (2) 1.8 μg/m3 (8) 32.0
 
Dec. 7, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.19 ppb (3) 5.0 μg/m3 (5) 4.5 μg/m3 (19) 28.0
 
Dec. 7, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.19 ppb (3) 8.0 μg/m3 (8) 7.0 μg/m3 (30) 38.0
 
Dec. 7, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.18 ppb (3) 11.0 μg/m3 (11) 9.7 μg/m3 (41) 41.0
 
Dec. 6, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.18 ppb (3) 18.0 μg/m3 (17) 15.3 μg/m3 (58) 58.0
 
Dec. 6, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.18 ppb (3) 18.0 μg/m3 (17) 15.7 μg/m3 (59) 59.0
 
Dec. 6, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.17 ppb (3) 18.0 μg/m3 (17) 15.7 μg/m3 (59) 59.0
 
Dec. 6, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.17 ppb (3) 16.0 μg/m3 (15) 14.7 μg/m3 (57) 57.0
 
Dec. 6, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.19 ppb (3) 8.0 μg/m3 (8) 6.5 μg/m3 (28) 39.0
 
Dec. 6, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (3) 5.0 μg/m3 (5) 4.5 μg/m3 (19) 19.0
 
Dec. 6, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (3) 4.0 μg/m3 (4) 3.8 μg/m3 (16) 16.0
 
Dec. 6, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.18 ppb (3) 1.0 μg/m3 (1) 1.2 μg/m3 (5) 5.0
 
Dec. 6, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.17 ppb (3) 0.0 μg/m3 (0) 0.3 μg/m3 (2) 3.0
 
Dec. 6, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.17 ppb (3) 0.0 μg/m3 (0) 0.2 μg/m3 (1) 28.0
 
Dec. 6, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.17 ppb (3) 0.0 μg/m3 (0) 0.2 μg/m3 (1) 27.0
 
Dec. 6, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.17 ppb (3) 1.0 μg/m3 (1) 0.7 μg/m3 (3) 28.0
 
Dec. 6, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.17 ppb (3) 5.0 μg/m3 (5) 3.5 μg/m3 (15) 27.0
 
Dec. 6, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.17 ppb (3) 7.0 μg/m3 (7) 4.6 μg/m3 (20) 26.0
 
Dec. 6, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.18 ppb (3) 8.0 μg/m3 (8) 4.8 μg/m3 (20) 25.0
 
Dec. 6, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) 8.0 μg/m3 (8) 5.3 μg/m3 (23) 25.0
 
Dec. 6, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.21 ppb (3) 9.0 μg/m3 (9) 5.9 μg/m3 (25) 25.0
 
Dec. 6, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.23 ppb (3) 9.0 μg/m3 (9) 6.8 μg/m3 (29) 29.0
 
Dec. 6, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.23 ppb (3) 9.0 μg/m3 (9) 6.6 μg/m3 (28) 28.0
 
Dec. 6, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.22 ppb (3) 8.0 μg/m3 (8) 5.8 μg/m3 (25) 25.0
 
Dec. 6, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.21 ppb (3) 7.0 μg/m3 (7) 4.7 μg/m3 (20) 23.0
 
Dec. 6, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) 7.0 μg/m3 (7) 4.5 μg/m3 (19) 24.0
 
Dec. 6, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.19 ppb (3) 6.0 μg/m3 (6) 3.6 μg/m3 (16) 25.0
 
Dec. 6, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.18 ppb (3) 5.0 μg/m3 (5) 3.3 μg/m3 (14) 26.0
 
Dec. 5, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.17 ppb (3) 5.0 μg/m3 (5) 3.0 μg/m3 (13) 26.0
 
Dec. 5, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.17 ppb (3) 4.0 μg/m3 (4) 2.6 μg/m3 (11) 26.0
 
Dec. 5, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.17 ppb (3) 4.0 μg/m3 (4) 2.6 μg/m3 (11) 26.0
 
Dec. 5, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 3.0 μg/m3 (3) 2.7 μg/m3 (12) 25.0
 
Dec. 5, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A 3.0 μg/m3 (3) 2.2 μg/m3 (10) 26.0
 
Dec. 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.18 ppb (3) 2.0 μg/m3 (2) 1.8 μg/m3 (8) 25.0
 
Dec. 5, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 3.0 μg/m3 (3) 2.1 μg/m3 (9) 25.0
 
Dec. 5, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 4.0 μg/m3 (4) 2.8 μg/m3 (12) 25.0
 
Dec. 5, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.18 ppb (3) 5.0 μg/m3 (5) 3.2 μg/m3 (14) 25.0
 
Dec. 5, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.18 ppb (3) 4.0 μg/m3 (4) 2.5 μg/m3 (11) 25.0
 
Dec. 5, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 3.0 μg/m3 (3) 1.9 μg/m3 (8) 25.0
 
Dec. 5, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 3.0 μg/m3 (3) 2.5 μg/m3 (11) 25.0
 
Dec. 5, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.18 ppb (3) 3.0 μg/m3 (3) 2.1 μg/m3 (9) 25.0
 
Dec. 5, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 2.0 μg/m3 (2) 1.8 μg/m3 (8) 25.0
 
Dec. 5, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 2.0 μg/m3 (2) 2.0 μg/m3 (9) 25.0
 
Dec. 5, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 3.0 μg/m3 (3) 2.5 μg/m3 (11) 25.0
 
Dec. 5, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 5.0 μg/m3 (5) 3.5 μg/m3 (15) 25.0
 
Dec. 5, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 7.0 μg/m3 (7) 4.2 μg/m3 (18) 25.0
 
Dec. 5, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 6.0 μg/m3 (6) 4.3 μg/m3 (18) 25.0
 
Dec. 5, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.18 ppb (3) 8.0 μg/m3 (8) 5.2 μg/m3 (22) 25.0
 
Dec. 5, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.18 ppb (3) 8.0 μg/m3 (8) 5.7 μg/m3 (24) 24.0
 
Dec. 5, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.19 ppb (3) 8.0 μg/m3 (8) 5.7 μg/m3 (24) 24.0
 
Dec. 5, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.2 ppb (3) 8.0 μg/m3 (8) 5.6 μg/m3 (24) 24.0
 
Dec. 5, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) 9.0 μg/m3 (9) 5.7 μg/m3 (24) 24.0
 
Dec. 4, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.19 ppb (3) 8.0 μg/m3 (8) 5.3 μg/m3 (23) 25.0
 
Dec. 4, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.18 ppb (3) 7.0 μg/m3 (7) 4.6 μg/m3 (20) 27.0
 
Dec. 4, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.18 ppb (3) 6.0 μg/m3 (6) 4.1 μg/m3 (18) 28.0
 
Dec. 4, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 28.0
 
Dec. 4, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) 5.0 μg/m3 (5) 3.4 μg/m3 (15) 28.0
 
Dec. 4, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.16 ppb (3) 5.0 μg/m3 (5) 3.0 μg/m3 (13) 29.0
 
Dec. 4, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.16 ppb (3) 4.0 μg/m3 (4) 2.8 μg/m3 (12) 29.0
 
Dec. 4, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) 5.0 μg/m3 (5) 3.4 μg/m3 (15) 28.0
 
Dec. 4, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.16 ppb (3) 6.0 μg/m3 (6) 3.3 μg/m3 (14) 27.0
 
Dec. 4, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.15 ppb (2) 5.0 μg/m3 (5) 2.6 μg/m3 (11) 27.0
 
Dec. 4, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.15 ppb (2) 4.0 μg/m3 (4) 2.6 μg/m3 (11) 11.0
 
Dec. 4, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.15 ppb (2) 4.0 μg/m3 (4) 2.8 μg/m3 (12) 27.0
 
Dec. 4, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) 5.0 μg/m3 (5) 2.9 μg/m3 (13) 28.0
 
Dec. 4, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.15 ppb (2) 4.0 μg/m3 (4) 2.4 μg/m3 (10) 27.0
 
Dec. 4, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.14 ppb (2) 3.0 μg/m3 (3) 2.1 μg/m3 (9) 27.0
 
Dec. 4, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.14 ppb (2) 4.0 μg/m3 (4) 2.3 μg/m3 (10) 27.0
 
Dec. 4, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A 4.0 μg/m3 (4) 2.3 μg/m3 (10) 26.0
 
Dec. 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.14 ppb (2) 4.0 μg/m3 (4) 2.4 μg/m3 (10) 27.0
 
Dec. 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.14 ppb (2) 3.0 μg/m3 (3) 2.1 μg/m3 (9) 27.0
 
Dec. 4, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.14 ppb (2) 3.0 μg/m3 (3) 2.0 μg/m3 (9) 27.0
 
Dec. 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) 3.0 μg/m3 (3) 2.0 μg/m3 (9) 28.0
 
Dec. 4, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) 2.0 μg/m3 (2) 1.8 μg/m3 (8) 28.0
 
Dec. 4, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) 2.0 μg/m3 (2) 1.8 μg/m3 (8) 28.0
 
Dec. 4, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.14 ppb (2) 2.0 μg/m3 (2) 1.7 μg/m3 (8) 28.0
 
Dec. 3, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) 2.0 μg/m3 (2) 1.3 μg/m3 (6) 28.0
 
Dec. 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.15 ppb (2) 1.0 μg/m3 (1) 1.1 μg/m3 (5) 29.0
 
Dec. 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.16 ppb (3) 1.0 μg/m3 (1) 0.9 μg/m3 (4) 30.0
 
Dec. 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.18 ppb (3) 1.0 μg/m3 (1) 0.8 μg/m3 (4) 30.0
 
Dec. 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.24 ppb (3) 1.0 μg/m3 (1) 0.9 μg/m3 (4) 28.0
 
Dec. 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Dec. 3, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.14 ppb (2) N/A N/A 2.0
 
Dec. 3, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.13 ppb (2) 2.0 μg/m3 (2) 1.2 μg/m3 (5) 25.0
 
Dec. 3, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.13 ppb (2) 1.0 μg/m3 (1) 0.7 μg/m3 (3) 23.0
 
Dec. 3, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.14 ppb (2) 1.0 μg/m3 (1) 0.5 μg/m3 (3) 19.0
 
Dec. 3, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.14 ppb (2) 1.0 μg/m3 (1) 0.5 μg/m3 (3) 19.0
 
Dec. 3, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.14 ppb (2) 1.0 μg/m3 (1) 0.5 μg/m3 (3) 20.0
 
Dec. 3, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.14 ppb (2) 1.0 μg/m3 (1) 0.6 μg/m3 (3) 21.0
 
Dec. 3, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.13 ppb (2) 2.0 μg/m3 (2) 1.1 μg/m3 (5) 22.0
 
Dec. 3, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.13 ppb (2) 3.0 μg/m3 (3) 2.1 μg/m3 (9) 23.0
 
Dec. 3, 2021, 4 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) 2.2 μg/m3 (10) 24.0
 
Dec. 3, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.14 ppb (2) 3.0 μg/m3 (3) 2.8 μg/m3 (12) 25.0
 
Dec. 3, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.14 ppb (2) 8.0 μg/m3 (8) 6.3 μg/m3 (27) 27.0
 
Dec. 3, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.22 ppb (3) 16.0 μg/m3 (15) 13.6 μg/m3 (55) 55.0
 
Dec. 3, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.23 ppb (3) 16.0 μg/m3 (15) 13.1 μg/m3 (54) 54.0
 
Dec. 2, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.22 ppb (3) 15.0 μg/m3 (14) 12.1 μg/m3 (51) 51.0
 
Dec. 2, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.19 ppb (3) 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Dec. 2, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.19 ppb (3) 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Dec. 2, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.17 ppb (3) 11.0 μg/m3 (11) 8.9 μg/m3 (38) 38.0
 
Dec. 2, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.18 ppb (3) 13.0 μg/m3 (13) 10.4 μg/m3 (44) 44.0
 
Dec. 2, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) 12.0 μg/m3 (12) 9.5 μg/m3 (40) 40.0
 
Dec. 2, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.19 ppb (3) 8.0 μg/m3 (8) 6.3 μg/m3 (27) 27.0
 
Dec. 2, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.18 ppb (3) 6.0 μg/m3 (6) 4.6 μg/m3 (20) 29.0
 
Dec. 2, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.17 ppb (3) 4.0 μg/m3 (4) 3.5 μg/m3 (15) 30.0
 
Dec. 2, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.17 ppb (3) 4.0 μg/m3 (4) 3.9 μg/m3 (17) 29.0
 
Dec. 2, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.16 ppb (3) 4.0 μg/m3 (4) 3.4 μg/m3 (15) 27.0
 
Dec. 2, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 8.0 μg/m3 (8) 6.7 μg/m3 (28) 31.0
 
Dec. 2, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.16 ppb (3) 11.0 μg/m3 (11) 8.6 μg/m3 (36) 36.0
 
Dec. 2, 2021, 9 a.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) 8.6 μg/m3 (36) 36.0
 
Dec. 2, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 10.0 μg/m3 (10) 7.3 μg/m3 (31) 31.0
 
Dec. 2, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) 8.0 μg/m3 (8) 5.3 μg/m3 (23) 26.0
 
Dec. 2, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.15 ppb (2) 5.0 μg/m3 (5) 3.8 μg/m3 (16) 27.0
 
Dec. 2, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.13 ppb (2) 3.0 μg/m3 (3) 2.6 μg/m3 (11) 27.0
 
Dec. 2, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) 3.0 μg/m3 (3) 2.2 μg/m3 (10) 28.0
 
Dec. 2, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.13 ppb (2) 3.0 μg/m3 (3) 2.2 μg/m3 (10) 27.0
 
Dec. 2, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.14 ppb (2) 3.0 μg/m3 (3) 2.3 μg/m3 (10) 25.0
 
Dec. 2, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.14 ppb (2) 3.0 μg/m3 (3) 2.2 μg/m3 (10) 25.0
 
Dec. 2, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.14 ppb (2) 3.0 μg/m3 (3) 2.3 μg/m3 (10) 25.0